Merge branch '1.13.2' into 1.14.4

Fixes #485

.gitignore

@@ -11,6 +11,8 @@ build/
 classes/
 *.class
 
+/out
+
 # IntelliJ Files
 .idea/
 *.iml

.travis.yml

@@ -10,7 +10,7 @@ install:
 
 script:
 - docker run --rm cabaletta/baritone ./gradlew javadoc
-- docker run --name baritone cabaletta/baritone /bin/sh -c "set -e; /sbin/start-stop-daemon --start --quiet --pidfile /tmp/custom_xvfb_99.pid --make-pidfile --background --exec /usr/bin/Xvfb -- :99 -screen 0 128x128x24 -ac +extension GLX +render; DISPLAY=:99 BARITONE_AUTO_TEST=true ./gradlew runClient"
+- docker run --name baritone cabaletta/baritone /bin/sh -c "/sbin/start-stop-daemon --start --quiet --pidfile /tmp/custom_xvfb_99.pid --make-pidfile --background --exec /usr/bin/Xvfb -- :99 -screen 0 128x128x24 -ac +extension GLX +render; DISPLAY=:99 BARITONE_AUTO_TEST=true ./gradlew runAutoTest; cat /code/autotest/success"
 - docker cp baritone:/code/dist dist
 - ls dist
 - cat dist/checksums.txt

build.gradle

@@ -16,33 +16,33 @@
  */
 
 group 'baritone'
-version '1.2.8'
+version '1.4.0'
 
 buildscript {
     repositories {
+        jcenter()
         maven {
             name = 'forge'
             url = 'http://files.minecraftforge.net/maven'
         }
         maven {
-            name = 'SpongePowered'
-            url = 'http://repo.spongepowered.org/maven'
+            name = 'impactdevelopment-repo'
+            url = 'https://impactdevelopment.github.io/maven/'
         }
-        jcenter()
     }
 
     dependencies {
-        classpath 'net.minecraftforge.gradle:ForgeGradle:2.3-SNAPSHOT'
-        classpath 'org.spongepowered:mixingradle:0.6-SNAPSHOT'
+        classpath group: 'com.github.ImpactDevelopment', name: 'ForgeGradle', version: '3.0.115'
+        classpath group: 'com.github.ImpactDevelopment', name: 'MixinGradle', version: '0.6.2'
     }
 }
 
-
 import baritone.gradle.task.CreateDistTask
 import baritone.gradle.task.ProguardTask
+import org.apache.tools.ant.taskdefs.condition.Os
 
 apply plugin: 'java'
-apply plugin: 'net.minecraftforge.gradle.tweaker-client'
+apply plugin: 'net.minecraftforge.gradle'
 apply plugin: 'org.spongepowered.mixin'
 
 sourceCompatibility = targetCompatibility = '1.8'
@@ -52,8 +52,19 @@ compileJava {
 }
 
 sourceSets {
+    api {
+        compileClasspath += main.compileClasspath
+    }
+    main {
+        compileClasspath += api.output
+    }
+    test {
+        compileClasspath += main.compileClasspath + main.runtimeClasspath + main.output
+        runtimeClasspath += main.compileClasspath + main.runtimeClasspath + main.output
+    }
     launch {
         compileClasspath += main.compileClasspath + main.runtimeClasspath + main.output
+        runtimeClasspath += main.compileClasspath + main.runtimeClasspath + main.output
     }
 
     schematica_api {
@@ -65,14 +76,51 @@ sourceSets {
     }
 }
 
-minecraft {
-    version = '1.12.2'
-    mappings = 'stable_39'
-    tweakClass = 'baritone.launch.BaritoneTweaker'
-    runDir = 'run'
+task sourceJar(type: Jar, dependsOn: classes) {
+    classifier = 'sources'
+    from sourceSets.api.allSource
+}
 
-    // The sources jar should use SRG names not MCP to ensure compatibility with all mappings
-    makeObfSourceJar = true
+minecraft {
+    mappings channel: 'snapshot', version: '20190814-1.14.3'
+    reobfMappings 'notch'
+
+    runs {
+        client {
+            workingDirectory project.file('run')
+            source sourceSets.launch
+
+            main 'baritone.launch.LaunchTesting'
+
+            environment 'assetIndex', '{asset_index}'
+            environment 'assetDirectory', downloadAssets.output
+            environment 'nativesDirectory', extractNatives.output
+
+            environment 'tweakClass', 'baritone.launch.BaritoneTweaker'
+
+            if (Os.isFamily(Os.FAMILY_MAC)) {
+                jvmArgs "-XstartOnFirstThread"
+            }
+        }
+
+        autoTest {
+            workingDirectory project.file('autotest')
+            source sourceSets.launch
+
+            main 'baritone.launch.LaunchTesting'
+
+            environment 'assetIndex', '{asset_index}'
+            environment 'assetDirectory', downloadAssets.output
+            environment 'nativesDirectory', extractNatives.output
+
+            environment 'tweakClass', 'baritone.launch.BaritoneTweaker'
+            environment 'BARITONE_AUTO_TEST', 'true'
+
+            if (Os.isFamily(Os.FAMILY_MAC)) {
+                jvmArgs "-XstartOnFirstThread"
+            }
+        }
+    }
 }
 
 repositories {
@@ -90,6 +138,12 @@ repositories {
 }
 
 dependencies {
+    minecraft 'com.github.ImpactDevelopment:Vanilla:1.14.4'
+
+    runtime launchCompile('net.minecraft:launchwrapper:1.12') {
+        exclude module: 'lwjgl'
+    }
+    runtime launchCompile('org.ow2.asm:asm-debug-all:5.2')
     runtime launchCompile('com.github.ImpactDevelopment:SimpleTweaker:1.2')
     runtime launchCompile('org.spongepowered:mixin:0.7.11-SNAPSHOT') {
         // Mixin includes a lot of dependencies that are too up-to-date
@@ -99,6 +153,7 @@ dependencies {
         exclude module: 'commons-io'
         exclude module: 'log4j-core'
     }
+
     testImplementation 'junit:junit:4.12'
 }
 

buildSrc/src/main/java/baritone/gradle/task/BaritoneGradleTask.java

@@ -40,17 +40,13 @@ class BaritoneGradleTask extends DefaultTask {
             PROGUARD_STANDALONE_CONFIG      = "standalone.pro",
             PROGUARD_EXPORT_PATH            = "proguard_out.jar",
 
-            TEMP_LIBRARY_DIR = "tempLibraries/",
-
             ARTIFACT_STANDARD         = "%s-%s.jar",
             ARTIFACT_UNOPTIMIZED      = "%s-unoptimized-%s.jar",
             ARTIFACT_API              = "%s-api-%s.jar",
-            ARTIFACT_STANDALONE       = "%s-standalone-%s.jar",
-            ARTIFACT_FORGE_API        = "%s-api-forge-%s.jar",
-            ARTIFACT_FORGE_STANDALONE = "%s-standalone-forge-%s.jar";
+            ARTIFACT_STANDALONE       = "%s-standalone-%s.jar";
 
     protected String artifactName, artifactVersion;
-    protected Path artifactPath, artifactUnoptimizedPath, artifactApiPath, artifactStandalonePath, artifactForgeApiPath, artifactForgeStandalonePath, proguardOut;
+    protected Path artifactPath, artifactUnoptimizedPath, artifactApiPath, artifactStandalonePath, proguardOut;
 
     protected void verifyArtifacts() throws IllegalStateException {
         this.artifactName = getProject().getName();
@@ -60,8 +56,6 @@ class BaritoneGradleTask extends DefaultTask {
         this.artifactUnoptimizedPath     = this.getBuildFile(formatVersion(ARTIFACT_UNOPTIMIZED));
         this.artifactApiPath             = this.getBuildFile(formatVersion(ARTIFACT_API));
         this.artifactStandalonePath      = this.getBuildFile(formatVersion(ARTIFACT_STANDALONE));
-        this.artifactForgeApiPath        = this.getBuildFile(formatVersion(ARTIFACT_FORGE_API));
-        this.artifactForgeStandalonePath = this.getBuildFile(formatVersion(ARTIFACT_FORGE_STANDALONE));
 
         this.proguardOut = this.getTemporaryFile(PROGUARD_EXPORT_PATH);
 

buildSrc/src/main/java/baritone/gradle/task/CreateDistTask.java

@@ -45,8 +45,6 @@ public class CreateDistTask extends BaritoneGradleTask {
         Path api             = getRelativeFile("dist/" + formatVersion(ARTIFACT_API));
         Path standalone      = getRelativeFile("dist/" + formatVersion(ARTIFACT_STANDALONE));
         Path unoptimized     = getRelativeFile("dist/" + formatVersion(ARTIFACT_UNOPTIMIZED));
-        Path forgeApi        = getRelativeFile("dist/" + formatVersion(ARTIFACT_FORGE_API));
-        Path forgeStandalone = getRelativeFile("dist/" + formatVersion(ARTIFACT_FORGE_STANDALONE));
 
         // NIO will not automatically create directories
         Path dir = getRelativeFile("dist/");
@@ -58,11 +56,9 @@ public class CreateDistTask extends BaritoneGradleTask {
         Files.copy(this.artifactApiPath,             api,             REPLACE_EXISTING);
         Files.copy(this.artifactStandalonePath,      standalone,      REPLACE_EXISTING);
         Files.copy(this.artifactUnoptimizedPath,     unoptimized,     REPLACE_EXISTING);
-        Files.copy(this.artifactForgeApiPath,        forgeApi,        REPLACE_EXISTING);
-        Files.copy(this.artifactForgeStandalonePath, forgeStandalone, REPLACE_EXISTING);
 
         // Calculate all checksums and format them like "shasum"
-        List<String> shasum = Stream.of(api, forgeApi, standalone, forgeStandalone, unoptimized)
+        List<String> shasum = Stream.of(api, standalone, unoptimized)
                 .map(path -> sha1(path) + "  " + path.getFileName().toString())
                 .collect(Collectors.toList());
 

buildSrc/src/main/java/baritone/gradle/task/ProguardTask.java

@@ -18,26 +18,18 @@
 package baritone.gradle.task;
 
 import baritone.gradle.util.Determinizer;
-import baritone.gradle.util.MappingType;
-import baritone.gradle.util.ReobfWrapper;
 import org.apache.commons.io.IOUtils;
-import org.gradle.api.NamedDomainObjectContainer;
-import org.gradle.api.artifacts.Configuration;
-import org.gradle.api.artifacts.Dependency;
-import org.gradle.api.internal.plugins.DefaultConvention;
+import org.gradle.api.plugins.JavaPluginConvention;
 import org.gradle.api.tasks.Input;
 import org.gradle.api.tasks.TaskAction;
-import org.gradle.internal.Pair;
 
 import java.io.*;
-import java.lang.reflect.Field;
 import java.net.URL;
 import java.nio.file.Files;
 import java.nio.file.Path;
-import java.util.*;
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
-import java.util.stream.Collectors;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.stream.Stream;
 import java.util.zip.ZipEntry;
 import java.util.zip.ZipFile;
 
@@ -49,18 +41,12 @@ import static java.nio.file.StandardCopyOption.REPLACE_EXISTING;
  */
 public class ProguardTask extends BaritoneGradleTask {
 
-    private static final Pattern TEMP_LIBRARY_PATTERN = Pattern.compile("-libraryjars 'tempLibraries\\/([a-zA-Z0-9/_\\-\\.]+)\\.jar'");
-
     @Input
     private String url;
 
     @Input
     private String extract;
 
-    private List<String> requiredLibraries;
-
-    private File mixin;
-
     @TaskAction
     protected void exec() throws Exception {
         super.verifyArtifacts();
@@ -70,7 +56,6 @@ public class ProguardTask extends BaritoneGradleTask {
         downloadProguard();
         extractProguard();
         generateConfigs();
-        acquireDependencies();
         proguardApi();
         proguardStandalone();
         cleanup();
@@ -81,7 +66,7 @@ public class ProguardTask extends BaritoneGradleTask {
             Files.delete(this.artifactUnoptimizedPath);
         }
 
-        Determinizer.determinize(this.artifactPath.toString(), this.artifactUnoptimizedPath.toString(), Optional.empty());
+        Determinizer.determinize(this.artifactPath.toString(), this.artifactUnoptimizedPath.toString());
     }
 
     private void downloadProguard() throws Exception {
@@ -114,6 +99,19 @@ public class ProguardTask extends BaritoneGradleTask {
         String out = IOUtils.toString(p.getInputStream(), "UTF-8").split("\n")[0].split("Opened ")[1].replace("]", "");
         template.add(2, "-libraryjars '" + out + "'");
 
+        // Discover all of the libraries that we will need to acquire from gradle
+        acquireDependencies().forEach(f -> {
+            if (f.toString().endsWith("-recomp.jar")) {
+                // remove MCP mapped jar
+                return;
+            }
+            if (f.toString().endsWith("client-extra.jar")) {
+                // go from the extra to the original downloaded client
+                f = new File(f.getParentFile(), "client.jar");
+            }
+            template.add(2, "-libraryjars '" + f + "'");
+        });
+
         // API config doesn't require any changes from the changes that we made to the template
         Files.write(getTemporaryFile(PROGUARD_API_CONFIG), template);
 
@@ -121,165 +119,20 @@ public class ProguardTask extends BaritoneGradleTask {
         List<String> standalone = new ArrayList<>(template);
         standalone.removeIf(s -> s.contains("# this is the keep api"));
         Files.write(getTemporaryFile(PROGUARD_STANDALONE_CONFIG), standalone);
-
-        // Discover all of the libraries that we will need to acquire from gradle
-        this.requiredLibraries = new ArrayList<>();
-        template.forEach(line -> {
-            if (!line.startsWith("#")) {
-                Matcher m = TEMP_LIBRARY_PATTERN.matcher(line);
-                if (m.find()) {
-                    this.requiredLibraries.add(m.group(1));
-                }
-            }
-        });
     }
 
-    private void acquireDependencies() throws Exception {
-
-        // Create a map of all of the dependencies that we are able to access in this project
-        // Likely a better way to do this, I just pair the dependency with the first valid configuration
-        Map<String, Pair<Configuration, Dependency>> dependencyLookupMap = new HashMap<>();
-        getProject().getConfigurations().stream().filter(Configuration::isCanBeResolved).forEach(config ->
-                config.getAllDependencies().forEach(dependency ->
-                        dependencyLookupMap.putIfAbsent(dependency.getName() + "-" + dependency.getVersion(), Pair.of(config, dependency))));
-
-        // Create the directory if it doesn't already exist
-        Path tempLibraries = getTemporaryFile(TEMP_LIBRARY_DIR);
-        if (!Files.exists(tempLibraries)) {
-            Files.createDirectory(tempLibraries);
-        }
-
-        // Iterate the required libraries to copy them to tempLibraries
-        for (String lib : this.requiredLibraries) {
-            // copy from the forgegradle cache
-            if (lib.equals("minecraft")) {
-                Path cachedJar = getMinecraftJar();
-                Path inTempDir = getTemporaryFile("tempLibraries/minecraft.jar");
-                // TODO: maybe try not to copy every time
-                Files.copy(cachedJar, inTempDir, REPLACE_EXISTING);
-
-                continue;
-            }
-
-            // Find a configuration/dependency pair that matches the desired library
-            Pair<Configuration, Dependency> pair = null;
-            for (Map.Entry<String, Pair<Configuration, Dependency>> entry : dependencyLookupMap.entrySet()) {
-                if (entry.getKey().startsWith(lib)) {
-                    pair = entry.getValue();
-                }
-            }
-
-            // The pair must be non-null
-            Objects.requireNonNull(pair);
-
-            // Find the library jar file, and copy it to tempLibraries
-            for (File file : pair.getLeft().files(pair.getRight())) {
-                if (file.getName().startsWith(lib)) {
-                    if (lib.contains("mixin")) {
-                        mixin = file;
-                    }
-                    Files.copy(file.toPath(), getTemporaryFile("tempLibraries/" + lib + ".jar"), REPLACE_EXISTING);
-                }
-            }
-        }
-        if (mixin == null) {
-            throw new IllegalStateException("Unable to find mixin jar");
-        }
-    }
-
-    // a bunch of epic stuff to get the path to the cached jar
-    private Path getMinecraftJar() throws Exception {
-        MappingType mappingType;
-        try {
-            mappingType = getMappingType();
-        } catch (Exception e) {
-            System.err.println("Failed to get mapping type, assuming NOTCH.");
-            mappingType = MappingType.NOTCH;
-        }
-
-        String suffix;
-        switch (mappingType) {
-            case NOTCH:
-                suffix = "";
-                break;
-            case SEARGE:
-                suffix = "-srgBin";
-                break;
-            case CUSTOM:
-                throw new IllegalStateException("Custom mappings not supported!");
-            default:
-                throw new IllegalStateException("Unknown mapping type: " + mappingType);
-        }
-
-        DefaultConvention convention = (DefaultConvention) this.getProject().getConvention();
-        Object extension = convention.getAsMap().get("minecraft");
-        Objects.requireNonNull(extension);
-
-        // for some reason cant use Class.forName
-        Class<?> class_baseExtension = extension.getClass().getSuperclass().getSuperclass().getSuperclass(); // <-- cursed
-        Field f_replacer = class_baseExtension.getDeclaredField("replacer");
-        f_replacer.setAccessible(true);
-        Object replacer = f_replacer.get(extension);
-        Class<?> class_replacementProvider = replacer.getClass();
-        Field replacement_replaceMap = class_replacementProvider.getDeclaredField("replaceMap");
-        replacement_replaceMap.setAccessible(true);
-
-        Map<String, Object> replacements = (Map) replacement_replaceMap.get(replacer);
-        String cacheDir = replacements.get("CACHE_DIR").toString() + "/net/minecraft";
-        String mcVersion = replacements.get("MC_VERSION").toString();
-        String mcpInsert = replacements.get("MAPPING_CHANNEL").toString() + "/" + replacements.get("MAPPING_VERSION").toString();
-        String fullJarName = "minecraft-" + mcVersion + suffix + ".jar";
-
-        String baseDir = String.format("%s/minecraft/%s/", cacheDir, mcVersion);
-
-        String jarPath;
-        if (mappingType == MappingType.SEARGE) {
-            jarPath = String.format("%s/%s/%s", baseDir, mcpInsert, fullJarName);
-        } else {
-            jarPath = baseDir + fullJarName;
-        }
-        jarPath = jarPath
-                .replace("/", File.separator)
-                .replace("\\", File.separator); // hecking regex
-
-        return new File(jarPath).toPath();
-    }
-
-    // throws IllegalStateException if mapping type is ambiguous or it fails to find it
-    private MappingType getMappingType() {
-        // if it fails to find this then its probably a forgegradle version problem
-        Set<Object> reobf = (NamedDomainObjectContainer<Object>) this.getProject().getExtensions().getByName("reobf");
-
-        List<MappingType> mappingTypes = getUsedMappingTypes(reobf);
-        long mappingTypesUsed = mappingTypes.size();
-        if (mappingTypesUsed == 0) {
-            throw new IllegalStateException("Failed to find mapping type (no jar task?)");
-        }
-        if (mappingTypesUsed > 1) {
-            throw new IllegalStateException("Ambiguous mapping type (multiple jars with different mapping types?)");
-        }
-
-        return mappingTypes.get(0);
-    }
-
-    private List<MappingType> getUsedMappingTypes(Set<Object> reobf) {
-        return reobf.stream()
-                .map(ReobfWrapper::new)
-                .map(ReobfWrapper::getMappingType)
-                .distinct()
-                .collect(Collectors.toList());
+    private Stream<File> acquireDependencies() {
+        return getProject().getConvention().getPlugin(JavaPluginConvention.class).getSourceSets().findByName("launch").getRuntimeClasspath().getFiles().stream().filter(File::isFile);
     }
 
     private void proguardApi() throws Exception {
         runProguard(getTemporaryFile(PROGUARD_API_CONFIG));
-        Determinizer.determinize(this.proguardOut.toString(), this.artifactApiPath.toString(), Optional.empty());
-        Determinizer.determinize(this.proguardOut.toString(), this.artifactForgeApiPath.toString(), Optional.of(mixin));
+        Determinizer.determinize(this.proguardOut.toString(), this.artifactApiPath.toString());
     }
 
     private void proguardStandalone() throws Exception {
         runProguard(getTemporaryFile(PROGUARD_STANDALONE_CONFIG));
-        Determinizer.determinize(this.proguardOut.toString(), this.artifactStandalonePath.toString(), Optional.empty());
-        Determinizer.determinize(this.proguardOut.toString(), this.artifactForgeStandalonePath.toString(), Optional.of(mixin));
+        Determinizer.determinize(this.proguardOut.toString(), this.artifactStandalonePath.toString());
     }
 
     private void cleanup() {

buildSrc/src/main/java/baritone/gradle/util/Determinizer.java

@@ -22,7 +22,10 @@ import com.google.gson.stream.JsonReader;
 import com.google.gson.stream.JsonWriter;
 
 import java.io.*;
-import java.util.*;
+import java.util.ArrayList;
+import java.util.Comparator;
+import java.util.List;
+import java.util.Map;
 import java.util.jar.JarEntry;
 import java.util.jar.JarFile;
 import java.util.jar.JarOutputStream;
@@ -36,7 +39,7 @@ import java.util.stream.Collectors;
  */
 public class Determinizer {
 
-    public static void determinize(String inputPath, String outputPath, Optional<File> toInclude) throws IOException {
+    public static void determinize(String inputPath, String outputPath) throws IOException {
         System.out.println("Running Determinizer");
         System.out.println(" Input path: " + inputPath);
         System.out.println(" Output path: " + outputPath);
@@ -63,30 +66,10 @@ public class Determinizer {
                 if (entry.getName().endsWith(".refmap.json")) {
                     JsonObject object = new JsonParser().parse(new InputStreamReader(jarFile.getInputStream(entry))).getAsJsonObject();
                     jos.write(writeSorted(object).getBytes());
-                } else if (entry.getName().equals("META-INF/MANIFEST.MF") && toInclude.isPresent()) { // only replace for forge jar
-                    ByteArrayOutputStream cancer = new ByteArrayOutputStream();
-                    copy(jarFile.getInputStream(entry), cancer);
-                    String manifest = new String(cancer.toByteArray());
-                    if (!manifest.contains("baritone.launch.BaritoneTweaker")) {
-                        throw new IllegalStateException("unable to replace");
-                    }
-                    manifest = manifest.replace("baritone.launch.BaritoneTweaker", "org.spongepowered.asm.launch.MixinTweaker");
-                    jos.write(manifest.getBytes());
                 } else {
                     copy(jarFile.getInputStream(entry), jos);
                 }
             }
-            if (toInclude.isPresent()) {
-                try (JarFile mixin = new JarFile(toInclude.get())) {
-                    for (JarEntry entry : mixin.stream().sorted(Comparator.comparing(JarEntry::getName)).collect(Collectors.toList())) {
-                        if (entry.getName().startsWith("META-INF") && !entry.getName().startsWith("META-INF/services")) {
-                            continue;
-                        }
-                        jos.putNextEntry(entry);
-                        copy(mixin.getInputStream(entry), jos);
-                    }
-                }
-            }
             jos.finish();
         }
     }

buildSrc/src/main/java/baritone/gradle/util/MappingType.java

@@ -1,29 +0,0 @@
-/*
- * This file is part of Baritone.
- *
- * Baritone is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * Baritone is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with Baritone.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-package baritone.gradle.util;
-
-/**
- * All credits go to AsmLibGradle and its contributors.
- *
- * @see <a href="https://github.com/pozzed/AsmLibGradle/blob/8f917dbc3939eab7a3d9daf54d9d285fdf34f4b2/src/main/java/net/futureclient/asmlib/forgegradle/MappingType.java">Original Source</a>
- */
-public enum MappingType {
-    SEARGE,
-    NOTCH,
-    CUSTOM // forgegradle
-}

buildSrc/src/main/java/baritone/gradle/util/ReobfWrapper.java

@@ -1,63 +0,0 @@
-/*
- * This file is part of Baritone.
- *
- * Baritone is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * Baritone is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with Baritone.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-package baritone.gradle.util;
-
-import java.lang.reflect.Field;
-import java.util.Objects;
-
-/**
- * All credits go to AsmLibGradle and its contributors.
- *
- * @see <a href="https://github.com/pozzed/AsmLibGradle/blob/8f917dbc3939eab7a3d9daf54d9d285fdf34f4b2/src/main/java/net/futureclient/asmlib/forgegradle/ReobfWrapper.java">Original Source</a>
- */
-public class ReobfWrapper {
-
-    private final Object instance;
-    private final Class<?> type;
-
-    public ReobfWrapper(Object instance) {
-        this.instance = instance;
-        Objects.requireNonNull(instance);
-        this.type = instance.getClass();
-    }
-
-    public String getName() {
-        try {
-            Field nameField = type.getDeclaredField("name");
-            nameField.setAccessible(true);
-            return (String) nameField.get(this.instance);
-        } catch (ReflectiveOperationException ex) {
-            throw new IllegalStateException(ex);
-        }
-    }
-
-    public MappingType getMappingType() {
-        try {
-            Field enumField = type.getDeclaredField("mappingType");
-            enumField.setAccessible(true);
-            Enum<?> aEnum = (Enum<?>) enumField.get(this.instance);
-            MappingType mappingType = MappingType.values()[aEnum.ordinal()];
-            if (!aEnum.name().equals(mappingType.name())) {
-                throw new IllegalStateException("ForgeGradle ReobfMappingType is not equivalent to MappingType (version error?)");
-            }
-            return mappingType;
-        } catch (ReflectiveOperationException ex) {
-            throw new IllegalStateException(ex);
-        }
-    }
-}

scripts/proguard.pro

@@ -14,6 +14,8 @@
 
 # lwjgl is weird
 -dontwarn org.lwjgl.**
+# also lwjgl lol
+-dontwarn module-info
 
 -keep class baritone.api.** { *; } # this is the keep api
 
@@ -36,55 +38,6 @@
 #proguard doesnt like it when it cant find our fake schematica classes
 -dontwarn baritone.utils.schematic.schematica.**
 
-# copy all necessary libraries into tempLibraries to build
-
-# The correct jar will be copied from the forgegradle cache based on the mapping type being compiled with
--libraryjars 'tempLibraries/minecraft.jar'
-
--libraryjars 'tempLibraries/SimpleTweaker-1.2.jar'
-
--libraryjars 'tempLibraries/authlib-1.5.25.jar'
--libraryjars 'tempLibraries/codecjorbis-20101023.jar'
--libraryjars 'tempLibraries/codecwav-20101023.jar'
--libraryjars 'tempLibraries/commons-codec-1.10.jar'
--libraryjars 'tempLibraries/commons-compress-1.8.1.jar'
--libraryjars 'tempLibraries/commons-io-2.5.jar'
--libraryjars 'tempLibraries/commons-lang3-3.5.jar'
--libraryjars 'tempLibraries/commons-logging-1.1.3.jar'
--libraryjars 'tempLibraries/fastutil-7.1.0.jar'
--libraryjars 'tempLibraries/gson-2.8.0.jar'
--libraryjars 'tempLibraries/guava-21.0.jar'
--libraryjars 'tempLibraries/httpclient-4.3.3.jar'
--libraryjars 'tempLibraries/httpcore-4.3.2.jar'
--libraryjars 'tempLibraries/icu4j-core-mojang-51.2.jar'
--libraryjars 'tempLibraries/jinput-2.0.5.jar'
--libraryjars 'tempLibraries/jna-4.4.0.jar'
--libraryjars 'tempLibraries/jopt-simple-5.0.3.jar'
--libraryjars 'tempLibraries/jsr305-3.0.1.jar'
--libraryjars 'tempLibraries/jutils-1.0.0.jar'
--libraryjars 'tempLibraries/libraryjavasound-20101123.jar'
--libraryjars 'tempLibraries/librarylwjglopenal-20100824.jar'
--libraryjars 'tempLibraries/log4j-api-2.8.1.jar'
--libraryjars 'tempLibraries/log4j-core-2.8.1.jar'
-
-# startsWith is used to check the library, and mac/linux differ in which version they use
-# this is FINE
--libraryjars 'tempLibraries/lwjgl-.jar'
--libraryjars 'tempLibraries/lwjgl_util-.jar'
-
--libraryjars 'tempLibraries/netty-all-4.1.9.Final.jar'
--libraryjars 'tempLibraries/oshi-core-1.1.jar'
--libraryjars 'tempLibraries/patchy-1.1.jar'
--libraryjars 'tempLibraries/platform-3.4.0.jar'
--libraryjars 'tempLibraries/realms-1.10.22.jar'
--libraryjars 'tempLibraries/soundsystem-20120107.jar'
--libraryjars 'tempLibraries/text2speech-1.10.3.jar'
-
--libraryjars 'tempLibraries/mixin-0.7.11-SNAPSHOT.jar'
--libraryjars 'tempLibraries/launchwrapper-1.11.jar' # TODO why does only 1.11.jar exist?
-
-
-
 
 # Keep - Applications. Keep all application classes, along with their 'main'
 # methods.

src/api/java/baritone/api/IBaritoneProvider.java

@@ -18,7 +18,7 @@
 package baritone.api;
 
 import baritone.api.cache.IWorldScanner;
-import net.minecraft.client.entity.EntityPlayerSP;
+import net.minecraft.client.entity.player.ClientPlayerEntity;
 
 import java.util.List;
 
@@ -43,19 +43,19 @@ public interface IBaritoneProvider {
      * returned by {@link #getPrimaryBaritone()}.
      *
      * @return All active {@link IBaritone} instances.
-     * @see #getBaritoneForPlayer(EntityPlayerSP)
+     * @see #getBaritoneForPlayer(ClientPlayerEntity)
      */
     List<IBaritone> getAllBaritones();
 
     /**
-     * Provides the {@link IBaritone} instance for a given {@link EntityPlayerSP}. This will likely be
+     * Provides the {@link IBaritone} instance for a given {@link ClientPlayerEntity}. This will likely be
      * replaced with or be overloaded in addition to {@code #getBaritoneForUser(IBaritoneUser)} when
      * {@code bot-system} is merged into {@code master}.
      *
      * @param player The player
      * @return The {@link IBaritone} instance.
      */
-    default IBaritone getBaritoneForPlayer(EntityPlayerSP player) {
+    default IBaritone getBaritoneForPlayer(ClientPlayerEntity player) {
         for (IBaritone baritone : getAllBaritones()) {
             if (player.equals(baritone.getPlayerContext().player())) {
                 return baritone;

src/api/java/baritone/api/Settings.java

@@ -20,8 +20,8 @@ package baritone.api;
 import baritone.api.utils.SettingsUtil;
 import baritone.api.utils.TypeUtils;
 import net.minecraft.block.Block;
+import net.minecraft.block.Blocks;
 import net.minecraft.client.Minecraft;
-import net.minecraft.init.Blocks;
 import net.minecraft.item.Item;
 import net.minecraft.util.math.Vec3i;
 import net.minecraft.util.text.ITextComponent;
@@ -151,10 +151,10 @@ public final class Settings {
      * Blocks that Baritone is allowed to place (as throwaway, for sneak bridging, pillaring, etc.)
      */
     public final Setting<List<Item>> acceptableThrowawayItems = new Setting<>(new ArrayList<>(Arrays.asList(
-            Item.getItemFromBlock(Blocks.DIRT),
-            Item.getItemFromBlock(Blocks.COBBLESTONE),
-            Item.getItemFromBlock(Blocks.NETHERRACK),
-            Item.getItemFromBlock(Blocks.STONE)
+            Blocks.DIRT.asItem(),
+            Blocks.COBBLESTONE.asItem(),
+            Blocks.NETHERRACK.asItem(),
+            Blocks.STONE.asItem()
     )));
 
     /**
@@ -170,7 +170,6 @@ public final class Settings {
     public final Setting<List<Block>> blocksToAvoidBreaking = new Setting<>(new ArrayList<>(Arrays.asList( // TODO can this be a HashSet or ImmutableSet?
             Blocks.CRAFTING_TABLE,
             Blocks.FURNACE,
-            Blocks.LIT_FURNACE,
             Blocks.CHEST,
             Blocks.TRAPPED_CHEST
     )));
@@ -239,6 +238,11 @@ public final class Settings {
      */
     public final Setting<Integer> rightClickSpeed = new Setting<>(4);
 
+    /**
+     * How many degrees to randomize the yaw every tick. Set to 0 to disable
+     */
+    public final Setting<Double> randomLooking = new Setting<>(2d);
+
     /**
      * This is the big A* setting.
      * As long as your cost heuristic is an *underestimate*, it's guaranteed to find you the best path.
@@ -815,7 +819,7 @@ public final class Settings {
      * via {@link Consumer#andThen(Consumer)} or it can completely be overriden via setting
      * {@link Setting#value};
      */
-    public final Setting<Consumer<ITextComponent>> logger = new Setting<>(Minecraft.getMinecraft().ingameGUI.getChatGUI()::printChatMessage);
+    public final Setting<Consumer<ITextComponent>> logger = new Setting<>(Minecraft.getInstance().ingameGUI.getChatGUI()::printChatMessage);
 
     /**
      * The size of the box that is rendered when the current goal is a GoalYLevel

src/api/java/baritone/api/cache/IBlockTypeAccess.java

@@ -17,7 +17,7 @@
 
 package baritone.api.cache;
 
-import net.minecraft.block.state.IBlockState;
+import net.minecraft.block.BlockState;
 import net.minecraft.util.math.BlockPos;
 
 /**
@@ -26,9 +26,9 @@ import net.minecraft.util.math.BlockPos;
  */
 public interface IBlockTypeAccess {
 
-    IBlockState getBlock(int x, int y, int z);
+    BlockState getBlock(int x, int y, int z);
 
-    default IBlockState getBlock(BlockPos pos) {
+    default BlockState getBlock(BlockPos pos) {
         return getBlock(pos.getX(), pos.getY(), pos.getZ());
     }
 }

src/api/java/baritone/api/event/events/PacketEvent.java

@@ -19,7 +19,7 @@ package baritone.api.event.events;
 
 import baritone.api.event.events.type.EventState;
 import net.minecraft.network.NetworkManager;
-import net.minecraft.network.Packet;
+import net.minecraft.network.IPacket;
 
 /**
  * @author Brady
@@ -31,9 +31,9 @@ public final class PacketEvent {
 
     private final EventState state;
 
-    private final Packet<?> packet;
+    private final IPacket<?> packet;
 
-    public PacketEvent(NetworkManager networkManager, EventState state, Packet<?> packet) {
+    public PacketEvent(NetworkManager networkManager, EventState state, IPacket<?> packet) {
         this.networkManager = networkManager;
         this.state = state;
         this.packet = packet;
@@ -47,12 +47,12 @@ public final class PacketEvent {
         return this.state;
     }
 
-    public final Packet<?> getPacket() {
+    public final IPacket<?> getPacket() {
         return this.packet;
     }
 
     @SuppressWarnings("unchecked")
-    public final <T extends Packet<?>> T cast() {
+    public final <T extends IPacket<?>> T cast() {
         return (T) this.packet;
     }
 }

src/api/java/baritone/api/event/events/RotationMoveEvent.java

@@ -18,7 +18,6 @@
 package baritone.api.event.events;
 
 import net.minecraft.entity.Entity;
-import net.minecraft.entity.EntityLivingBase;
 
 /**
  * @author Brady
@@ -76,7 +75,7 @@ public final class RotationMoveEvent {
         /**
          * Called when the player jumps.
          *
-         * @see EntityLivingBase#jump
+         * @see LivingEntity#jump
          */
         JUMP
     }

src/api/java/baritone/api/event/events/WorldEvent.java

@@ -18,7 +18,7 @@
 package baritone.api.event.events;
 
 import baritone.api.event.events.type.EventState;
-import net.minecraft.client.multiplayer.WorldClient;
+import net.minecraft.client.world.ClientWorld;
 
 /**
  * @author Brady
@@ -29,14 +29,14 @@ public final class WorldEvent {
     /**
      * The new world that is being loaded. {@code null} if being unloaded.
      */
-    private final WorldClient world;
+    private final ClientWorld world;
 
     /**
      * The state of the event
      */
     private final EventState state;
 
-    public WorldEvent(WorldClient world, EventState state) {
+    public WorldEvent(ClientWorld world, EventState state) {
         this.world = world;
         this.state = state;
     }
@@ -44,7 +44,7 @@ public final class WorldEvent {
     /**
      * @return The new world that is being loaded. {@code null} if being unloaded.
      */
-    public final WorldClient getWorld() {
+    public final ClientWorld getWorld() {
         return this.world;
     }
 

src/api/java/baritone/api/event/listener/IGameEventListener.java

@@ -18,14 +18,12 @@
 package baritone.api.event.listener;
 
 import baritone.api.event.events.*;
-import io.netty.util.concurrent.GenericFutureListener;
 import net.minecraft.client.Minecraft;
-import net.minecraft.client.entity.EntityPlayerSP;
-import net.minecraft.client.gui.GuiGameOver;
-import net.minecraft.client.multiplayer.WorldClient;
-import net.minecraft.client.settings.GameSettings;
+import net.minecraft.client.entity.player.ClientPlayerEntity;
+import net.minecraft.client.gui.screen.DeathScreen;
+import net.minecraft.client.gui.screen.Screen;
+import net.minecraft.client.world.ClientWorld;
 import net.minecraft.entity.Entity;
-import net.minecraft.network.Packet;
 
 /**
  * @author Brady
@@ -45,7 +43,7 @@ public interface IGameEventListener {
      * Run once per game tick from before and after the player rotation is sent to the server.
      *
      * @param event The event
-     * @see EntityPlayerSP#onUpdate()
+     * @see ClientPlayerEntity#tick()
      */
     void onPlayerUpdate(PlayerUpdateEvent event);
 
@@ -53,7 +51,7 @@ public interface IGameEventListener {
      * Runs whenever the client player sends a message to the server.
      *
      * @param event The event
-     * @see EntityPlayerSP#sendChatMessage(String)
+     * @see ClientPlayerEntity#sendChatMessage(String)
      */
     void onSendChatMessage(ChatEvent event);
 
@@ -61,14 +59,11 @@ public interface IGameEventListener {
      * Runs before and after whenever a chunk is either loaded, unloaded, or populated.
      *
      * @param event The event
-     * @see WorldClient#doPreChunk(int, int, boolean)
      */
     void onChunkEvent(ChunkEvent event);
 
     /**
-     * Runs once per world render pass. Two passes are made when {@link GameSettings#anaglyph} is on.
-     * <p>
-     * <b>Note:</b> {@link GameSettings#anaglyph} has been removed in Minecraft 1.13
+     * Runs once per world render pass.
      *
      * @param event The event
      */
@@ -78,7 +73,7 @@ public interface IGameEventListener {
      * Runs before and after whenever a new world is loaded
      *
      * @param event The event
-     * @see Minecraft#loadWorld(WorldClient, String)
+     * @see Minecraft#loadWorld(ClientWorld, Screen)
      */
     void onWorldEvent(WorldEvent event);
 
@@ -87,7 +82,6 @@ public interface IGameEventListener {
      *
      * @param event The event
      * @see Packet
-     * @see GenericFutureListener
      */
     void onSendPacket(PacketEvent event);
 
@@ -96,7 +90,6 @@ public interface IGameEventListener {
      *
      * @param event The event
      * @see Packet
-     * @see GenericFutureListener
      */
     void onReceivePacket(PacketEvent event);
 
@@ -110,10 +103,10 @@ public interface IGameEventListener {
     void onPlayerRotationMove(RotationMoveEvent event);
 
     /**
-     * Called whenever the sprint keybind state is checked in {@link EntityPlayerSP#onLivingUpdate}
+     * Called whenever the sprint keybind state is checked in {@link ClientPlayerEntity#livingTick}
      *
      * @param event The event
-     * @see EntityPlayerSP#onLivingUpdate()
+     * @see ClientPlayerEntity#livingTick()
      */
     void onPlayerSprintState(SprintStateEvent event);
 

src/api/java/baritone/api/pathing/goals/GoalStrictDirection.java

@@ -17,7 +17,7 @@
 
 package baritone.api.pathing.goals;
 
-import net.minecraft.util.EnumFacing;
+import net.minecraft.util.Direction;
 import net.minecraft.util.math.BlockPos;
 
 /**
@@ -30,7 +30,7 @@ public class GoalStrictDirection implements Goal {
     public final int dx;
     public final int dz;
 
-    public GoalStrictDirection(BlockPos origin, EnumFacing direction) {
+    public GoalStrictDirection(BlockPos origin, Direction direction) {
         x = origin.getX();
         y = origin.getY();
         z = origin.getZ();

src/api/java/baritone/api/process/IBuilderProcess.java

@@ -50,7 +50,7 @@ public interface IBuilderProcess extends IBaritoneProcess {
     boolean build(String name, File schematic, Vec3i origin);
 
     default boolean build(String schematicFile, BlockPos origin) {
-        File file = new File(new File(Minecraft.getMinecraft().gameDir, "schematics"), schematicFile);
+        File file = new File(new File(Minecraft.getInstance().gameDir, "schematics"), schematicFile);
         return build(schematicFile, file, origin);
     }
 

src/api/java/baritone/api/utils/BetterBlockPos.java

@@ -17,7 +17,7 @@
 
 package baritone.api.utils;
 
-import net.minecraft.util.EnumFacing;
+import net.minecraft.util.Direction;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.util.math.MathHelper;
 import net.minecraft.util.math.Vec3i;
@@ -101,10 +101,10 @@ public final class BetterBlockPos extends BlockPos {
         // this is unimaginably faster than blockpos.up
         // that literally calls
         // this.up(1)
-        // which calls this.offset(EnumFacing.UP, 1)
+        // which calls this.offset(Direction.UP, 1)
         // which does return n == 0 ? this : new BlockPos(this.getX() + facing.getXOffset() * n, this.getY() + facing.getYOffset() * n, this.getZ() + facing.getZOffset() * n);
 
-        // how many function calls is that? up(), up(int), offset(EnumFacing, int), new BlockPos, getX, getXOffset, getY, getYOffset, getZ, getZOffset
+        // how many function calls is that? up(), up(int), offset(Direction, int), new BlockPos, getX, getXOffset, getY, getYOffset, getZ, getZOffset
         // that's ten.
         // this is one function call.
         return new BetterBlockPos(x, y + 1, z);
@@ -129,13 +129,13 @@ public final class BetterBlockPos extends BlockPos {
     }
 
     @Override
-    public BetterBlockPos offset(EnumFacing dir) {
+    public BetterBlockPos offset(Direction dir) {
         Vec3i vec = dir.getDirectionVec();
         return new BetterBlockPos(x + vec.getX(), y + vec.getY(), z + vec.getZ());
     }
 
     @Override
-    public BetterBlockPos offset(EnumFacing dir, int dist) {
+    public BetterBlockPos offset(Direction dir, int dist) {
         if (dist == 0) {
             return this;
         }

src/api/java/baritone/api/utils/BlockUtils.java

@@ -17,8 +17,10 @@
 
 package baritone.api.utils;
 
+import net.minecraft.block.AirBlock;
 import net.minecraft.block.Block;
 import net.minecraft.util.ResourceLocation;
+import net.minecraft.util.registry.Registry;
 
 import java.util.HashMap;
 import java.util.Map;
@@ -28,7 +30,7 @@ public class BlockUtils {
     private static transient Map<String, Block> resourceCache = new HashMap<>();
 
     public static String blockToString(Block block) {
-        ResourceLocation loc = Block.REGISTRY.getNameForObject(block);
+        ResourceLocation loc = Registry.BLOCK.getKey(block);
         String name = loc.getPath(); // normally, only write the part after the minecraft:
         if (!loc.getNamespace().equals("minecraft")) {
             // Baritone is running on top of forge with mods installed, perhaps?
@@ -52,7 +54,10 @@ public class BlockUtils {
         if (resourceCache.containsKey(name)) {
             return null; // cached as null
         }
-        block = Block.getBlockFromName(name.contains(":") ? name : "minecraft:" + name);
+        block = Registry.BLOCK.getOrDefault(ResourceLocation.tryCreate(name.contains(":") ? name : "minecraft:" + name));
+        if (block instanceof AirBlock && !name.equals("air")) {
+            block = null;
+        }
         Map<String, Block> copy = new HashMap<>(resourceCache); // read only copy is safe, wont throw concurrentmodification
         copy.put(name, block);
         resourceCache = copy;

src/api/java/baritone/api/utils/ExampleBaritoneControl.java

@@ -32,20 +32,19 @@ import baritone.api.process.ICustomGoalProcess;
 import baritone.api.process.IGetToBlockProcess;
 import net.minecraft.block.Block;
 import net.minecraft.client.Minecraft;
-import net.minecraft.client.multiplayer.ChunkProviderClient;
+import net.minecraft.client.multiplayer.ClientChunkProvider;
 import net.minecraft.crash.CrashReport;
 import net.minecraft.entity.Entity;
-import net.minecraft.entity.item.EntityItem;
-import net.minecraft.entity.player.EntityPlayer;
+import net.minecraft.entity.item.ItemEntity;
+import net.minecraft.entity.player.PlayerEntity;
 import net.minecraft.item.ItemStack;
-import net.minecraft.util.ReportedException;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.util.text.ITextComponent;
-import net.minecraft.util.text.TextComponentString;
+import net.minecraft.util.text.StringTextComponent;
 import net.minecraft.util.text.TextFormatting;
 import net.minecraft.util.text.event.ClickEvent;
-import net.minecraft.world.DimensionType;
 import net.minecraft.world.chunk.Chunk;
+import net.minecraft.world.dimension.DimensionType;
 
 import java.nio.file.Path;
 import java.util.*;
@@ -123,9 +122,9 @@ public class ExampleBaritoneControl implements Helper, AbstractGameEventListener
             return true;
         }
         if (msg.equals("") || msg.equals("help") || msg.equals("?")) {
-            ITextComponent component = MESSAGE_PREFIX.createCopy();
+            ITextComponent component = MESSAGE_PREFIX.shallowCopy();
             component.getStyle().setColor(TextFormatting.GRAY);
-            TextComponentString helpLink = new TextComponentString(" Click here for instructions on how to use Baritone (https://github.com/cabaletta/baritone/blob/master/USAGE.md)");
+            StringTextComponent helpLink = new StringTextComponent(" Click here for instructions on how to use Baritone (https://github.com/cabaletta/baritone/blob/master/USAGE.md)");
             helpLink.getStyle().setClickEvent(new ClickEvent(ClickEvent.Action.OPEN_URL, "https://github.com/cabaletta/baritone/blob/master/USAGE.md"));
             component.appendSibling(helpLink);
             BaritoneAPI.getSettings().logger.value.accept(component);
@@ -181,7 +180,6 @@ public class ExampleBaritoneControl implements Helper, AbstractGameEventListener
             StringBuilder meme = new StringBuilder();
             CrashReport rep = new CrashReport("Manually triggered debug crash", new Throwable());
             mc.addGraphicsAndWorldToCrashReport(rep);
-            new ReportedException(rep).printStackTrace();
             rep.getSectionsInStringBuilder(meme);
             System.out.println(meme);
             logDirect(meme.toString());
@@ -200,23 +198,6 @@ public class ExampleBaritoneControl implements Helper, AbstractGameEventListener
             }
             return true;
         }
-        /*if (msg.equals("fullpath")) {
-            if (pathingBehavior.getGoal() == null) {
-                logDirect("No goal.");
-            } else {
-                logDirect("Started segmented calculator");
-                SegmentedCalculator.calculateSegmentsThreaded(pathingBehavior.pathStart(), pathingBehavior.getGoal(), new CalculationContext(baritone, true), ipath -> {
-                    logDirect("Found a path");
-                    logDirect("Ends at " + ipath.getDest());
-                    logDirect("Length " + ipath.length());
-                    logDirect("Estimated time " + ipath.ticksRemainingFrom(0));
-                    pathingBehavior.secretCursedFunctionDoNotCall(ipath); // it's okay when *I* do it
-                }, () -> {
-                    logDirect("Path calculation failed, no path");
-                });
-            }
-            return true;
-        }*/
         if (msg.equals("proc")) {
             Optional<IBaritoneProcess> proc = baritone.getPathingControlManager().mostRecentInControl();
             if (!proc.isPresent()) {
@@ -241,13 +222,13 @@ public class ExampleBaritoneControl implements Helper, AbstractGameEventListener
             return true;
         }
         if (msg.equals("repack") || msg.equals("rescan")) {
-            ChunkProviderClient cli = (ChunkProviderClient) ctx.world().getChunkProvider();
+            ClientChunkProvider cli = (ClientChunkProvider) ctx.world().getChunkProvider();
             int playerChunkX = ctx.playerFeet().getX() >> 4;
             int playerChunkZ = ctx.playerFeet().getZ() >> 4;
             int count = 0;
             for (int x = playerChunkX - 40; x <= playerChunkX + 40; x++) {
                 for (int z = playerChunkZ - 40; z <= playerChunkZ + 40; z++) {
-                    Chunk chunk = cli.getLoadedChunk(x, z);
+                    Chunk chunk = cli.getChunk(x, z, null, false);
                     if (chunk != null) {
                         count++;
                         baritone.getWorldProvider().getCurrentWorld().getCachedWorld().queueForPacking(chunk);
@@ -373,8 +354,8 @@ public class ExampleBaritoneControl implements Helper, AbstractGameEventListener
         }
         if (msg.equals("render")) {
             BetterBlockPos pf = ctx.playerFeet();
-            int dist = (Minecraft.getMinecraft().gameSettings.renderDistanceChunks + 1) * 16;
-            Minecraft.getMinecraft().renderGlobal.markBlockRangeForRenderUpdate(pf.x - dist, pf.y - 256, pf.z - dist, pf.x + dist, pf.y + 256, pf.z + dist);
+            int dist = (Minecraft.getInstance().gameSettings.renderDistanceChunks + 1) * 16;
+            Minecraft.getInstance().worldRenderer.markBlockRangeForRenderUpdate(pf.x - dist, pf.y - 256, pf.z - dist, pf.x + dist, pf.y + 256, pf.z + dist);
             logDirect("okay");
             return true;
         }
@@ -396,16 +377,16 @@ public class ExampleBaritoneControl implements Helper, AbstractGameEventListener
             return true;
         }
         if (msg.startsWith("followplayers")) {
-            baritone.getFollowProcess().follow(EntityPlayer.class::isInstance); // O P P A
+            baritone.getFollowProcess().follow(PlayerEntity.class::isInstance); // O P P A
             logDirect("Following any players");
             return true;
         }
         if (msg.startsWith("followentity")) {
             String name = msg.substring(12).trim();
             Optional<Entity> toFollow = Optional.empty();
-            for (Entity entity : ctx.world().loadedEntityList) {
-                String entityName = entity.getName().trim().toLowerCase();
-                if ((entityName.contains(name) || name.contains(entityName)) && !(entity instanceof EntityItem || entity instanceof EntityPlayer)) { // We dont want it following players while `#follow` exists.
+            for (Entity entity : ctx.entities()) {
+                String entityName = entity.getName().getFormattedText().trim().toLowerCase();
+                if ((entityName.contains(name) || name.contains(entityName)) && !(entity instanceof ItemEntity || entity instanceof PlayerEntity)) { // We dont want it following players while `#follow` exists.
                     toFollow = Optional.of(entity);
                 }
             }
@@ -424,9 +405,9 @@ public class ExampleBaritoneControl implements Helper, AbstractGameEventListener
             if (name.length() == 0) {
                 toFollow = ctx.getSelectedEntity();
             } else {
-                for (EntityPlayer pl : ctx.world().playerEntities) {
-                    String theirName = pl.getName().trim().toLowerCase();
-                    if (!theirName.equals(ctx.player().getName().trim().toLowerCase()) && (theirName.contains(name) || name.contains(theirName))) { // don't follow ourselves lol
+                for (PlayerEntity pl : ctx.world().getPlayers()) {
+                    String theirName = pl.getName().getString().trim().toLowerCase();
+                    if (!theirName.equals(ctx.player().getName().getString().trim().toLowerCase()) && (theirName.contains(name) || name.contains(theirName))) { // don't follow ourselves lol
                         toFollow = Optional.of(pl);
                     }
                 }
@@ -447,7 +428,7 @@ public class ExampleBaritoneControl implements Helper, AbstractGameEventListener
             // means that entries in blah.json are NOT already explored
             String path = msg.substring("explorefilter".length()).trim();
             String[] parts = path.split(" ");
-            Path path1 = Minecraft.getMinecraft().gameDir.toPath().resolve(parts[0]);
+            Path path1 = Minecraft.getInstance().gameDir.toPath().resolve(parts[0]);
             boolean invert = parts.length > 1;
             try {
                 baritone.getExploreProcess().applyJsonFilter(path1, invert);
@@ -683,7 +664,7 @@ public class ExampleBaritoneControl implements Helper, AbstractGameEventListener
     private void log(List<ItemStack> stacks) {
         for (ItemStack stack : stacks) {
             if (!stack.isEmpty()) {
-                logDirect(stack.getCount() + "x " + stack.getDisplayName() + "@" + stack.getItemDamage());
+                logDirect(stack.getCount() + "x " + stack.getDisplayName() + "@" + stack.getDamage());
             }
         }
     }
@@ -722,9 +703,8 @@ public class ExampleBaritoneControl implements Helper, AbstractGameEventListener
     }
 
 
-
     private double calculateDimensionFactor(String to) {
-        return Math.pow(8, ctx.world().provider.getDimensionType().getId() - getDimensionByName(to.toLowerCase()).getId());
+        return Math.pow(8, ctx.world().dimension.getType().getId() - getDimensionByName(to.toLowerCase()).getId());
     }
 
     private DimensionType getDimensionByName(String name) {
@@ -735,9 +715,9 @@ public class ExampleBaritoneControl implements Helper, AbstractGameEventListener
             return DimensionType.OVERWORLD;
         }
         if ("the_nether".contains(name) || "hell".contains(name)) {
-            return DimensionType.NETHER;
+            return DimensionType.THE_NETHER;
         }
-        return ctx.world().provider.getDimensionType();
+        return ctx.world().dimension.getType();
     }
 
 }

src/api/java/baritone/api/utils/Helper.java

@@ -20,7 +20,7 @@ package baritone.api.utils;
 import baritone.api.BaritoneAPI;
 import net.minecraft.client.Minecraft;
 import net.minecraft.util.text.ITextComponent;
-import net.minecraft.util.text.TextComponentString;
+import net.minecraft.util.text.StringTextComponent;
 import net.minecraft.util.text.TextFormatting;
 
 /**
@@ -34,7 +34,7 @@ public interface Helper {
      */
     Helper HELPER = new Helper() {};
 
-    ITextComponent MESSAGE_PREFIX = new TextComponentString(String.format(
+    ITextComponent MESSAGE_PREFIX = new StringTextComponent(String.format(
             "%s[%sBaritone%s]%s",
             TextFormatting.DARK_PURPLE,
             TextFormatting.LIGHT_PURPLE,
@@ -42,7 +42,7 @@ public interface Helper {
             TextFormatting.GRAY
     ));
 
-    Minecraft mc = Minecraft.getMinecraft();
+    Minecraft mc = Minecraft.getInstance();
 
     /**
      * Send a message to chat only if chatDebug is on
@@ -64,9 +64,9 @@ public interface Helper {
      * @param message The message to display in chat
      */
     default void logDirect(String message) {
-        ITextComponent component = MESSAGE_PREFIX.createCopy();
+        ITextComponent component = MESSAGE_PREFIX.shallowCopy();
         component.getStyle().setColor(TextFormatting.GRAY);
-        component.appendSibling(new TextComponentString(" " + message));
-        Minecraft.getMinecraft().addScheduledTask(() -> BaritoneAPI.getSettings().logger.value.accept(component));
+        component.appendSibling(new StringTextComponent(" " + message));
+        Minecraft.getInstance().execute(() -> BaritoneAPI.getSettings().logger.value.accept(component));
     }
 }

src/api/java/baritone/api/utils/IPlayerContext.java

@@ -18,15 +18,16 @@
 package baritone.api.utils;
 
 import baritone.api.cache.IWorldData;
-import net.minecraft.block.BlockSlab;
-import net.minecraft.client.entity.EntityPlayerSP;
+import net.minecraft.block.SlabBlock;
+import net.minecraft.client.entity.player.ClientPlayerEntity;
+import net.minecraft.client.world.ClientWorld;
 import net.minecraft.entity.Entity;
-import net.minecraft.util.math.BlockPos;
-import net.minecraft.util.math.RayTraceResult;
-import net.minecraft.util.math.Vec3d;
+import net.minecraft.util.math.*;
 import net.minecraft.world.World;
 
 import java.util.Optional;
+import java.util.stream.Stream;
+import java.util.stream.StreamSupport;
 
 /**
  * @author Brady
@@ -34,12 +35,21 @@ import java.util.Optional;
  */
 public interface IPlayerContext {
 
-    EntityPlayerSP player();
+    ClientPlayerEntity player();
 
     IPlayerController playerController();
 
     World world();
 
+    default Iterable<Entity> entities() {
+        return ((ClientWorld) world()).getAllEntities();
+    }
+
+    default Stream<Entity> entitiesStream() {
+        return StreamSupport.stream(entities().spliterator(), false);
+    }
+
+
     IWorldData worldData();
 
     RayTraceResult objectMouseOver();
@@ -47,7 +57,7 @@ public interface IPlayerContext {
     default BetterBlockPos playerFeet() {
         // TODO find a better way to deal with soul sand!!!!!
         BetterBlockPos feet = new BetterBlockPos(player().posX, player().posY + 0.1251, player().posZ);
-        if (world().getBlockState(feet).getBlock() instanceof BlockSlab) {
+        if (world().getBlockState(feet).getBlock() instanceof SlabBlock) {
             return feet.up();
         }
         return feet;
@@ -72,8 +82,8 @@ public interface IPlayerContext {
      */
     default Optional<BlockPos> getSelectedBlock() {
         RayTraceResult result = objectMouseOver();
-        if (result != null && result.typeOfHit == RayTraceResult.Type.BLOCK) {
-            return Optional.of(result.getBlockPos());
+        if (result != null && result.getType() == RayTraceResult.Type.BLOCK) {
+            return Optional.of(((BlockRayTraceResult) result).getPos());
         }
         return Optional.empty();
     }
@@ -89,8 +99,8 @@ public interface IPlayerContext {
      */
     default Optional<Entity> getSelectedEntity() {
         RayTraceResult result = objectMouseOver();
-        if (result != null && result.typeOfHit == RayTraceResult.Type.ENTITY) {
-            return Optional.of(result.entityHit);
+        if (result != null && result.getType() == RayTraceResult.Type.ENTITY) {
+            return Optional.of(((EntityRayTraceResult) result).getEntity());
         }
         return Optional.empty();
     }

src/api/java/baritone/api/utils/IPlayerController.java

@@ -17,14 +17,15 @@
 
 package baritone.api.utils;
 
-import net.minecraft.client.entity.EntityPlayerSP;
-import net.minecraft.entity.player.EntityPlayer;
-import net.minecraft.inventory.ClickType;
+import net.minecraft.client.entity.player.ClientPlayerEntity;
+import net.minecraft.entity.player.PlayerEntity;
+import net.minecraft.inventory.container.ClickType;
 import net.minecraft.item.ItemStack;
-import net.minecraft.util.EnumActionResult;
-import net.minecraft.util.EnumFacing;
-import net.minecraft.util.EnumHand;
+import net.minecraft.util.ActionResultType;
+import net.minecraft.util.Direction;
+import net.minecraft.util.Hand;
 import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.BlockRayTraceResult;
 import net.minecraft.util.math.Vec3d;
 import net.minecraft.world.GameType;
 import net.minecraft.world.World;
@@ -35,11 +36,11 @@ import net.minecraft.world.World;
  */
 public interface IPlayerController {
 
-    boolean onPlayerDamageBlock(BlockPos pos, EnumFacing side);
+    boolean onPlayerDamageBlock(BlockPos pos, Direction side);
 
     void resetBlockRemoving();
 
-    ItemStack windowClick(int windowId, int slotId, int mouseButton, ClickType type, EntityPlayer player);
+    ItemStack windowClick(int windowId, int slotId, int mouseButton, ClickType type, PlayerEntity player);
 
     void setGameType(GameType type);
 
@@ -49,7 +50,7 @@ public interface IPlayerController {
         return this.getGameType().isCreative() ? 5.0F : 4.5F;
     }
 
-    EnumActionResult processRightClickBlock(EntityPlayerSP player, World world, BlockPos pos, EnumFacing direction, Vec3d vec, EnumHand hand);
+    ActionResultType processRightClickBlock(ClientPlayerEntity player, World world, Hand hand, BlockRayTraceResult result);
 
-    EnumActionResult processRightClick(EntityPlayerSP player, World world, EnumHand hand);
+    ActionResultType processRightClick(ClientPlayerEntity player, World world, Hand hand);
 }

src/api/java/baritone/api/utils/ISchematic.java

@@ -17,8 +17,8 @@
 
 package baritone.api.utils;
 
-import net.minecraft.block.state.IBlockState;
-import net.minecraft.util.EnumFacing;
+import net.minecraft.block.BlockState;
+import net.minecraft.util.Direction;
 
 /**
  * Basic representation of a schematic. Provides the dimensions and
@@ -45,7 +45,7 @@ public interface ISchematic {
         return x >= 0 && x < widthX() && y >= 0 && y < heightY() && z >= 0 && z < lengthZ();
     }
 
-    default int size(EnumFacing.Axis axis) {
+    default int size(Direction.Axis axis) {
         switch (axis) {
             case X:
                 return widthX();
@@ -66,7 +66,7 @@ public interface ISchematic {
      * @param z The z position of the block, relative to the origin
      * @return The desired block state at the specified position
      */
-    IBlockState desiredState(int x, int y, int z);
+    BlockState desiredState(int x, int y, int z);
 
     /**
      * @return The width (X axis length) of this schematic
@@ -82,4 +82,4 @@ public interface ISchematic {
      * @return The length (Z axis length) of this schematic
      */
     int lengthZ();
-}
+}

src/api/java/baritone/api/utils/MyChunkPos.java

@@ -34,4 +34,4 @@ public class MyChunkPos {
     public String toString() {
         return x + ", " + z;
     }
-}
+}

src/api/java/baritone/api/utils/RayTraceUtils.java

@@ -18,6 +18,7 @@
 package baritone.api.utils;
 
 import net.minecraft.entity.Entity;
+import net.minecraft.util.math.RayTraceContext;
 import net.minecraft.util.math.RayTraceResult;
 import net.minecraft.util.math.Vec3d;
 
@@ -40,13 +41,13 @@ public final class RayTraceUtils {
      * @return The calculated raytrace result
      */
     public static RayTraceResult rayTraceTowards(Entity entity, Rotation rotation, double blockReachDistance) {
-        Vec3d start = entity.getPositionEyes(1.0F);
+        Vec3d start = entity.getEyePosition(1.0F);
         Vec3d direction = RotationUtils.calcVec3dFromRotation(rotation);
         Vec3d end = start.add(
                 direction.x * blockReachDistance,
                 direction.y * blockReachDistance,
                 direction.z * blockReachDistance
         );
-        return entity.world.rayTraceBlocks(start, end, false, false, true);
+        return entity.world.rayTraceBlocks(new RayTraceContext(start, end, RayTraceContext.BlockMode.OUTLINE, RayTraceContext.FluidMode.NONE, entity));
     }
 }

src/api/java/baritone/api/utils/Rotation.java

@@ -36,6 +36,9 @@ public class Rotation {
     public Rotation(float yaw, float pitch) {
         this.yaw = yaw;
         this.pitch = pitch;
+        if (Float.isInfinite(yaw) || Float.isNaN(yaw) || Float.isInfinite(pitch) || Float.isNaN(pitch)) {
+            throw new IllegalStateException(yaw + " " + pitch);
+        }
     }
 
     /**

src/api/java/baritone/api/utils/RotationUtils.java

@@ -19,11 +19,14 @@ package baritone.api.utils;
 
 import baritone.api.BaritoneAPI;
 import baritone.api.IBaritone;
-import net.minecraft.block.BlockFire;
-import net.minecraft.block.state.IBlockState;
-import net.minecraft.client.entity.EntityPlayerSP;
+import net.minecraft.block.BlockState;
+import net.minecraft.block.FireBlock;
+import net.minecraft.client.entity.player.ClientPlayerEntity;
 import net.minecraft.entity.Entity;
+import net.minecraft.util.Direction;
 import net.minecraft.util.math.*;
+import net.minecraft.util.math.shapes.VoxelShape;
+import net.minecraft.util.math.shapes.VoxelShapes;
 
 import java.util.Optional;
 
@@ -134,7 +137,7 @@ public final class RotationUtils {
      * @param ctx Context for the viewing entity
      * @param pos The target block position
      * @return The optional rotation
-     * @see #reachable(EntityPlayerSP, BlockPos, double)
+     * @see #reachable(ClientPlayerEntity, BlockPos, double)
      */
     public static Optional<Rotation> reachable(IPlayerContext ctx, BlockPos pos) {
         return reachable(ctx.player(), pos, ctx.playerController().getBlockReachDistance());
@@ -152,7 +155,7 @@ public final class RotationUtils {
      * @param blockReachDistance The block reach distance of the entity
      * @return The optional rotation
      */
-    public static Optional<Rotation> reachable(EntityPlayerSP entity, BlockPos pos, double blockReachDistance) {
+    public static Optional<Rotation> reachable(ClientPlayerEntity entity, BlockPos pos, double blockReachDistance) {
         IBaritone baritone = BaritoneAPI.getProvider().getBaritoneForPlayer(entity);
         if (baritone.getPlayerContext().isLookingAt(pos)) {
             /*
@@ -173,12 +176,15 @@ public final class RotationUtils {
             return possibleRotation;
         }
 
-        IBlockState state = entity.world.getBlockState(pos);
-        AxisAlignedBB aabb = state.getBoundingBox(entity.world, pos);
+        BlockState state = entity.world.getBlockState(pos);
+        VoxelShape shape = state.getShape(entity.world, pos);
+        if (shape.isEmpty()) {
+            shape = VoxelShapes.fullCube();
+        }
         for (Vec3d sideOffset : BLOCK_SIDE_MULTIPLIERS) {
-            double xDiff = aabb.minX * sideOffset.x + aabb.maxX * (1 - sideOffset.x);
-            double yDiff = aabb.minY * sideOffset.y + aabb.maxY * (1 - sideOffset.y);
-            double zDiff = aabb.minZ * sideOffset.z + aabb.maxZ * (1 - sideOffset.z);
+            double xDiff = shape.getStart(Direction.Axis.X) * sideOffset.x + shape.getEnd(Direction.Axis.X) * (1 - sideOffset.x);
+            double yDiff = shape.getStart(Direction.Axis.Y) * sideOffset.y + shape.getEnd(Direction.Axis.Y) * (1 - sideOffset.y);
+            double zDiff = shape.getStart(Direction.Axis.Z) * sideOffset.z + shape.getEnd(Direction.Axis.Z) * (1 - sideOffset.z);
             possibleRotation = reachableOffset(entity, pos, new Vec3d(pos).add(xDiff, yDiff, zDiff), blockReachDistance);
             if (possibleRotation.isPresent()) {
                 return possibleRotation;
@@ -199,14 +205,14 @@ public final class RotationUtils {
      * @return The optional rotation
      */
     public static Optional<Rotation> reachableOffset(Entity entity, BlockPos pos, Vec3d offsetPos, double blockReachDistance) {
-        Rotation rotation = calcRotationFromVec3d(entity.getPositionEyes(1.0F), offsetPos, new Rotation(entity.rotationYaw, entity.rotationPitch));
+        Rotation rotation = calcRotationFromVec3d(entity.getEyePosition(1.0F), offsetPos, new Rotation(entity.rotationYaw, entity.rotationPitch));
         RayTraceResult result = RayTraceUtils.rayTraceTowards(entity, rotation, blockReachDistance);
         //System.out.println(result);
-        if (result != null && result.typeOfHit == RayTraceResult.Type.BLOCK) {
-            if (result.getBlockPos().equals(pos)) {
+        if (result != null && result.getType() == RayTraceResult.Type.BLOCK) {
+            if (((BlockRayTraceResult) result).getPos().equals(pos)) {
                 return Optional.of(rotation);
             }
-            if (entity.world.getBlockState(pos).getBlock() instanceof BlockFire && result.getBlockPos().equals(pos.down())) {
+            if (entity.world.getBlockState(pos).getBlock() instanceof FireBlock && ((BlockRayTraceResult) result).getPos().equals(pos.down())) {
                 return Optional.of(rotation);
             }
         }

src/api/java/baritone/api/utils/SettingsUtil.java

@@ -19,9 +19,12 @@ package baritone.api.utils;
 
 import baritone.api.Settings;
 import net.minecraft.block.Block;
+import net.minecraft.client.Minecraft;
 import net.minecraft.item.Item;
-import net.minecraft.util.EnumFacing;
+import net.minecraft.util.Direction;
+import net.minecraft.util.ResourceLocation;
 import net.minecraft.util.math.Vec3i;
+import net.minecraft.util.registry.Registry;
 
 import java.awt.*;
 import java.io.BufferedReader;
@@ -42,13 +45,12 @@ import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 import java.util.stream.Collectors;
 
-import static net.minecraft.client.Minecraft.getMinecraft;
 
 public class SettingsUtil {
-
-    private static final Path SETTINGS_PATH = getMinecraft().gameDir.toPath().resolve("baritone").resolve("settings.txt");
+    private static final Path SETTINGS_PATH = Minecraft.getInstance().gameDir.toPath().resolve("baritone").resolve("settings.txt");
     private static final Pattern SETTING_PATTERN = Pattern.compile("^(?<setting>[^ ]+) +(?<value>.+)"); // key and value split by the first space
 
+
     private static boolean isComment(String line) {
         return line.startsWith("#") || line.startsWith("//");
     }
@@ -174,7 +176,7 @@ public class SettingsUtil {
         INTEGER(Integer.class, Integer::parseInt),
         FLOAT(Float.class, Float::parseFloat),
         LONG(Long.class, Long::parseLong),
-        ENUMFACING(EnumFacing.class, EnumFacing::byName),
+        ENUMFACING(Direction.class, Direction::byName),
         COLOR(
                 Color.class,
                 str -> new Color(Integer.parseInt(str.split(",")[0]), Integer.parseInt(str.split(",")[1]), Integer.parseInt(str.split(",")[2])),
@@ -192,15 +194,14 @@ public class SettingsUtil {
         ),
         ITEM(
                 Item.class,
-                str -> Item.getByNameOrId(str.trim()),
-                item -> Item.REGISTRY.getNameForObject(item).toString()
+                str -> Registry.ITEM.getOrDefault(new ResourceLocation(str.trim())), // TODO this now returns AIR on failure instead of null, is that an issue?
+                item -> Registry.ITEM.getKey(item).toString()
         ),
         LIST() {
             @Override
             public Object parse(ParserContext context, String raw) {
                 Type type = ((ParameterizedType) context.getSetting().getType()).getActualTypeArguments()[0];
                 Parser parser = Parser.getParser(type);
-
                 return Arrays.stream(raw.split(","))
                         .map(s -> parser.parse(context, s))
                         .collect(Collectors.toList());

src/api/java/baritone/api/utils/VecUtils.java

@@ -17,12 +17,13 @@
 
 package baritone.api.utils;
 
-import net.minecraft.block.BlockFire;
-import net.minecraft.block.state.IBlockState;
+import net.minecraft.block.BlockState;
+import net.minecraft.block.FireBlock;
 import net.minecraft.entity.Entity;
-import net.minecraft.util.math.AxisAlignedBB;
+import net.minecraft.util.Direction;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.util.math.Vec3d;
+import net.minecraft.util.math.shapes.VoxelShape;
 import net.minecraft.world.World;
 
 /**
@@ -42,12 +43,18 @@ public final class VecUtils {
      * @see #getBlockPosCenter(BlockPos)
      */
     public static Vec3d calculateBlockCenter(World world, BlockPos pos) {
-        IBlockState b = world.getBlockState(pos);
-        AxisAlignedBB bbox = b.getBoundingBox(world, pos);
-        double xDiff = (bbox.minX + bbox.maxX) / 2;
-        double yDiff = (bbox.minY + bbox.maxY) / 2;
-        double zDiff = (bbox.minZ + bbox.maxZ) / 2;
-        if (b.getBlock() instanceof BlockFire) {//look at bottom of fire when putting it out
+        BlockState b = world.getBlockState(pos);
+        VoxelShape shape = b.getCollisionShape(world, pos);
+        if (shape.isEmpty()) {
+            return getBlockPosCenter(pos);
+        }
+        double xDiff = (shape.getStart(Direction.Axis.X) + shape.getEnd(Direction.Axis.X)) / 2;
+        double yDiff = (shape.getStart(Direction.Axis.Y) + shape.getEnd(Direction.Axis.Y)) / 2;
+        double zDiff = (shape.getStart(Direction.Axis.Z) + shape.getEnd(Direction.Axis.Z)) / 2;
+        if (Double.isNaN(xDiff) || Double.isNaN(yDiff) || Double.isNaN(zDiff)) {
+            throw new IllegalStateException(b + " " + pos + " " + shape);
+        }
+        if (b.getBlock() instanceof FireBlock) {//look at bottom of fire when putting it out
             yDiff = 0;
         }
         return new Vec3d(

src/launch/java/baritone/launch/LaunchTesting.java

@@ -0,0 +1,105 @@
+/*
+ * This file is part of Baritone.
+ *
+ * Baritone is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Baritone is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with Baritone.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package baritone.launch;
+
+import com.google.common.base.Strings;
+import com.google.gson.GsonBuilder;
+import com.mojang.authlib.Agent;
+import com.mojang.authlib.exceptions.AuthenticationException;
+import com.mojang.authlib.properties.PropertyMap;
+import com.mojang.authlib.yggdrasil.YggdrasilAuthenticationService;
+import com.mojang.authlib.yggdrasil.YggdrasilUserAuthentication;
+import net.minecraft.launchwrapper.Launch;
+
+import java.io.File;
+import java.lang.reflect.Field;
+import java.net.Proxy;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * Based on GradleStart from ForgeGradle 2.3
+ *
+ * @author Brady
+ * @since 3/11/2019
+ */
+public class LaunchTesting {
+
+    public static void main(String[] args) {
+        Map<String, String> arguments = new HashMap<>();
+
+        hackNatives();
+        arguments.put("version", "BaritownedDeveloperEnvironment");
+        arguments.put("assetIndex", System.getenv("assetIndex"));
+        arguments.put("assetsDir", System.getenv().getOrDefault("assetDirectory", "assets"));
+        arguments.put("accessToken", "FML");
+        arguments.put("userProperties", "{}");
+        arguments.put("tweakClass", System.getenv("tweakClass"));
+        String password = System.getenv("password");
+        if (password != null && !password.isEmpty()) {
+            attemptLogin(arguments, System.getenv("username"), System.getenv("password"));
+        }
+
+        List<String> argsArray = new ArrayList<>();
+        arguments.forEach((k, v) -> {
+            argsArray.add("--" + k);
+            argsArray.add(v);
+        });
+
+        Launch.main(argsArray.toArray(new String[0]));
+    }
+
+    private static void hackNatives() {
+        String paths = System.getProperty("java.library.path");
+        String nativesDir = System.getenv().get("nativesDirectory");
+
+        if (Strings.isNullOrEmpty(paths))
+            paths = nativesDir;
+        else
+            paths += File.pathSeparator + nativesDir;
+
+        System.setProperty("java.library.path", paths);
+
+        // hack the classloader now.
+        try {
+            final Field sysPathsField = ClassLoader.class.getDeclaredField("sys_paths");
+            sysPathsField.setAccessible(true);
+            sysPathsField.set(null, null);
+        } catch (Throwable ignored) {}
+    }
+
+    private static void attemptLogin(Map<String, String> argMap, String username, String password) {
+        YggdrasilUserAuthentication auth = (YggdrasilUserAuthentication) (new YggdrasilAuthenticationService(Proxy.NO_PROXY, "1")).createUserAuthentication(Agent.MINECRAFT);
+        auth.setUsername(username);
+        auth.setPassword(password);
+
+        try {
+            auth.logIn();
+        } catch (AuthenticationException var4) {
+            throw new RuntimeException(var4);
+        }
+
+        argMap.put("accessToken", auth.getAuthenticatedToken());
+        argMap.put("uuid", auth.getSelectedProfile().getId().toString().replace("-", ""));
+        argMap.put("username", auth.getSelectedProfile().getName());
+        argMap.put("userType", auth.getUserType().getName());
+        argMap.put("userProperties", (new GsonBuilder()).registerTypeAdapter(PropertyMap.class, new PropertyMap.Serializer()).create().toJson(auth.getUserProperties()));
+    }
+}

src/launch/java/baritone/launch/mixins/MixinChunkArray.java

@@ -0,0 +1,92 @@
+/*
+ * This file is part of Baritone.
+ *
+ * Baritone is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Baritone is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with Baritone.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package baritone.launch.mixins;
+
+import baritone.utils.accessor.IChunkArray;
+import net.minecraft.util.math.ChunkPos;
+import net.minecraft.world.chunk.Chunk;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Shadow;
+
+import java.util.concurrent.atomic.AtomicReferenceArray;
+
+@Mixin(targets = "net.minecraft.client.multiplayer.ClientChunkProvider$ChunkArray")
+public abstract class MixinChunkArray implements IChunkArray {
+    @Shadow
+    private AtomicReferenceArray<Chunk> chunks;
+    @Shadow
+    private int viewDistance;
+    @Shadow
+    private int sideLength;
+    @Shadow
+    private int centerX;
+    @Shadow
+    private int centerZ;
+    @Shadow
+    private int loaded;
+
+    @Shadow
+    protected abstract boolean inView(int x, int z);
+
+    @Shadow
+    protected abstract int getIndex(int x, int z);
+
+    @Shadow
+    protected abstract void replace(int index, Chunk chunk);
+
+    @Override
+    public int centerX() {
+        return centerX;
+    }
+
+    @Override
+    public int centerZ() {
+        return centerZ;
+    }
+
+    @Override
+    public int viewDistance() {
+        return viewDistance;
+    }
+
+    @Override
+    public AtomicReferenceArray<Chunk> getChunks() {
+        return chunks;
+    }
+
+    @Override
+    public void copyFrom(IChunkArray other) {
+        centerX = other.centerX();
+        centerZ = other.centerZ();
+
+        AtomicReferenceArray<Chunk> copyingFrom = other.getChunks();
+        for (int k = 0; k < copyingFrom.length(); ++k) {
+            Chunk chunk = copyingFrom.get(k);
+            if (chunk != null) {
+                ChunkPos chunkpos = chunk.getPos();
+                if (inView(chunkpos.x, chunkpos.z)) {
+                    int index = getIndex(chunkpos.x, chunkpos.z);
+                    if (chunks.get(index) != null) {
+                        throw new IllegalStateException("Doing this would mutate the client's REAL loaded chunks?!");
+                    }
+                    replace(index, chunk);
+                }
+            }
+        }
+    }
+}

src/launch/java/baritone/launch/mixins/MixinChunkProviderClient.java

@@ -1,39 +0,0 @@
-/*
- * This file is part of Baritone.
- *
- * Baritone is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * Baritone is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with Baritone.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-package baritone.launch.mixins;
-
-import baritone.utils.accessor.IChunkProviderClient;
-import it.unimi.dsi.fastutil.longs.Long2ObjectMap;
-import net.minecraft.client.multiplayer.ChunkProviderClient;
-import net.minecraft.world.chunk.Chunk;
-import org.spongepowered.asm.mixin.Final;
-import org.spongepowered.asm.mixin.Mixin;
-import org.spongepowered.asm.mixin.Shadow;
-
-@Mixin(ChunkProviderClient.class)
-public class MixinChunkProviderClient implements IChunkProviderClient {
-
-    @Shadow
-    @Final
-    private Long2ObjectMap<Chunk> loadedChunks;
-
-    @Override
-    public Long2ObjectMap<Chunk> loadedChunks() {
-        return this.loadedChunks;
-    }
-}

src/launch/java/baritone/launch/mixins/MixinChunkProviderServer.java

@@ -1,42 +0,0 @@
-/*
- * This file is part of Baritone.
- *
- * Baritone is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * Baritone is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with Baritone.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-package baritone.launch.mixins;
-
-import baritone.utils.accessor.IChunkProviderServer;
-import net.minecraft.world.chunk.storage.IChunkLoader;
-import net.minecraft.world.gen.ChunkProviderServer;
-import org.spongepowered.asm.mixin.Final;
-import org.spongepowered.asm.mixin.Mixin;
-import org.spongepowered.asm.mixin.Shadow;
-
-/**
- * @author Brady
- * @since 9/4/2018
- */
-@Mixin(ChunkProviderServer.class)
-public class MixinChunkProviderServer implements IChunkProviderServer {
-
-    @Shadow
-    @Final
-    private IChunkLoader chunkLoader;
-
-    @Override
-    public IChunkLoader getChunkLoader() {
-        return this.chunkLoader;
-    }
-}

src/launch/java/baritone/launch/mixins/MixinChunkRenderContainer.java

@@ -1,52 +0,0 @@
-/*
- * This file is part of Baritone.
- *
- * Baritone is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * Baritone is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with Baritone.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-package baritone.launch.mixins;
-
-import baritone.Baritone;
-import net.minecraft.client.Minecraft;
-import net.minecraft.client.renderer.ChunkRenderContainer;
-import net.minecraft.client.renderer.GlStateManager;
-import net.minecraft.client.renderer.chunk.RenderChunk;
-import net.minecraft.util.math.BlockPos;
-import org.lwjgl.opengl.GL14;
-import org.spongepowered.asm.mixin.Mixin;
-import org.spongepowered.asm.mixin.injection.At;
-import org.spongepowered.asm.mixin.injection.Redirect;
-
-import static org.lwjgl.opengl.GL11.*;
-
-@Mixin(ChunkRenderContainer.class)
-public class MixinChunkRenderContainer {
-
-    @Redirect( // avoid creating CallbackInfo at all costs; this is called 40k times per second
-            method = "preRenderChunk",
-            at = @At(
-                    value = "INVOKE",
-                    target = "net/minecraft/client/renderer/chunk/RenderChunk.getPosition()Lnet/minecraft/util/math/BlockPos;"
-            )
-    )
-    private BlockPos getPosition(RenderChunk renderChunkIn) {
-        if (Baritone.settings().renderCachedChunks.value && !Minecraft.getMinecraft().isSingleplayer() && Minecraft.getMinecraft().world.getChunk(renderChunkIn.getPosition()).isEmpty()) {
-            GlStateManager.enableAlpha();
-            GlStateManager.enableBlend();
-            GL14.glBlendColor(0, 0, 0, Baritone.settings().cachedChunksOpacity.value);
-            GlStateManager.tryBlendFuncSeparate(GL_CONSTANT_ALPHA, GL_ONE_MINUS_CONSTANT_ALPHA, GL_ONE, GL_ZERO);
-        }
-        return renderChunkIn.getPosition();
-    }
-}

src/launch/java/baritone/launch/mixins/MixinChunkRenderWorker.java

@@ -1,57 +0,0 @@
-/*
- * This file is part of Baritone.
- *
- * Baritone is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * Baritone is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with Baritone.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-package baritone.launch.mixins;
-
-import baritone.Baritone;
-import baritone.api.BaritoneAPI;
-import baritone.api.utils.IPlayerContext;
-import net.minecraft.client.Minecraft;
-import net.minecraft.client.renderer.chunk.ChunkRenderWorker;
-import net.minecraft.util.math.BlockPos;
-import net.minecraft.world.World;
-import org.spongepowered.asm.mixin.Mixin;
-import org.spongepowered.asm.mixin.Shadow;
-import org.spongepowered.asm.mixin.injection.At;
-import org.spongepowered.asm.mixin.injection.Redirect;
-
-@Mixin(ChunkRenderWorker.class)
-public abstract class MixinChunkRenderWorker {
-
-    @Shadow
-    protected abstract boolean isChunkExisting(BlockPos pos, World worldIn);
-
-    @Redirect(
-            method = "processTask",
-            at = @At(
-                    value = "INVOKE",
-                    target = "net/minecraft/client/renderer/chunk/ChunkRenderWorker.isChunkExisting(Lnet/minecraft/util/math/BlockPos;Lnet/minecraft/world/World;)Z"
-            )
-    )
-    private boolean isChunkExisting(ChunkRenderWorker worker, BlockPos pos, World world) {
-        if (Baritone.settings().renderCachedChunks.value && !Minecraft.getMinecraft().isSingleplayer()) {
-            Baritone baritone = (Baritone) BaritoneAPI.getProvider().getPrimaryBaritone();
-            IPlayerContext ctx = baritone.getPlayerContext();
-            if (ctx.player() != null && ctx.world() != null && baritone.bsi != null) {
-                return baritone.bsi.isLoaded(pos.getX(), pos.getZ()) || this.isChunkExisting(pos, world);
-            }
-        }
-
-        return this.isChunkExisting(pos, world);
-    }
-}
-

src/launch/java/baritone/launch/mixins/MixinClientChunkProvider.java

@@ -0,0 +1,61 @@
+/*
+ * This file is part of Baritone.
+ *
+ * Baritone is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Baritone is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with Baritone.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package baritone.launch.mixins;
+
+import baritone.utils.accessor.IChunkArray;
+import baritone.utils.accessor.IClientChunkProvider;
+import net.minecraft.client.multiplayer.ClientChunkProvider;
+import net.minecraft.client.world.ClientWorld;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Shadow;
+
+import java.lang.reflect.Field;
+import java.util.Arrays;
+
+@Mixin(ClientChunkProvider.class)
+public class MixinClientChunkProvider implements IClientChunkProvider {
+
+    @Shadow
+    private ClientWorld world;
+
+    @Override
+    public ClientChunkProvider createThreadSafeCopy() {
+        IChunkArray arr = extractReferenceArray();
+        ClientChunkProvider result = new ClientChunkProvider(world, arr.viewDistance() - 3); // -3 because its adds 3 for no reason lmao
+        IChunkArray copyArr = ((IClientChunkProvider) result).extractReferenceArray();
+        copyArr.copyFrom(arr);
+        if (copyArr.viewDistance() != arr.viewDistance()) {
+            throw new IllegalStateException(copyArr.viewDistance() + " " + arr.viewDistance());
+        }
+        return result;
+    }
+
+    @Override
+    public IChunkArray extractReferenceArray() {
+        for (Field f : ClientChunkProvider.class.getDeclaredFields()) {
+            if (IChunkArray.class.isAssignableFrom(f.getType())) {
+                try {
+                    return (IChunkArray) f.get(this);
+                } catch (IllegalAccessException e) {
+                    throw new RuntimeException(e);
+                }
+            }
+        }
+        throw new RuntimeException(Arrays.toString(ClientChunkProvider.class.getDeclaredFields()));
+    }
+}

src/launch/java/baritone/launch/mixins/MixinClientPlayNetHandler.java

@@ -21,9 +21,10 @@ import baritone.api.BaritoneAPI;
 import baritone.api.IBaritone;
 import baritone.api.event.events.ChunkEvent;
 import baritone.api.event.events.type.EventState;
-import net.minecraft.client.network.NetHandlerPlayClient;
-import net.minecraft.network.play.server.SPacketChunkData;
-import net.minecraft.network.play.server.SPacketCombatEvent;
+import net.minecraft.client.network.play.ClientPlayNetHandler;
+import net.minecraft.network.play.server.SChunkDataPacket;
+import net.minecraft.network.play.server.SCombatPacket;
+import net.minecraft.network.play.server.SUnloadChunkPacket;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.injection.At;
 import org.spongepowered.asm.mixin.injection.Inject;
@@ -33,14 +34,15 @@ import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
  * @author Brady
  * @since 8/3/2018
  */
-@Mixin(NetHandlerPlayClient.class)
-public class MixinNetHandlerPlayClient {
+@Mixin(ClientPlayNetHandler.class)
+public class MixinClientPlayNetHandler {
 
-    @Inject(
+    // unused lol
+    /*@Inject(
             method = "handleChunkData",
             at = @At(
                     value = "INVOKE",
-                    target = "net/minecraft/world/chunk/Chunk.read(Lnet/minecraft/network/PacketBuffer;IZ)V"
+                    target = "net/minecraft/client/multiplayer/ChunkProviderClient.func_212474_a(IILnet/minecraft/network/PacketBuffer;IZ)Lnet/minecraft/world/chunk/Chunk;"
             )
     )
     private void preRead(SPacketChunkData packetIn, CallbackInfo ci) {
@@ -56,15 +58,15 @@ public class MixinNetHandlerPlayClient {
                 );
             }
         }
-    }
+    }*/
 
     @Inject(
             method = "handleChunkData",
             at = @At("RETURN")
     )
-    private void postHandleChunkData(SPacketChunkData packetIn, CallbackInfo ci) {
+    private void postHandleChunkData(SChunkDataPacket packetIn, CallbackInfo ci) {
         for (IBaritone ibaritone : BaritoneAPI.getProvider().getAllBaritones()) {
-            if (ibaritone.getPlayerContext().player().connection == (NetHandlerPlayClient) (Object) this) {
+            if (ibaritone.getPlayerContext().player().connection == (ClientPlayNetHandler) (Object) this) {
                 ibaritone.getGameEventHandler().onChunkEvent(
                         new ChunkEvent(
                                 EventState.POST,
@@ -77,16 +79,44 @@ public class MixinNetHandlerPlayClient {
         }
     }
 
+    @Inject(
+            method = "processChunkUnload",
+            at = @At("HEAD")
+    )
+    private void preChunkUnload(SUnloadChunkPacket packet, CallbackInfo ci) {
+        for (IBaritone ibaritone : BaritoneAPI.getProvider().getAllBaritones()) {
+            if (ibaritone.getPlayerContext().player().connection == (ClientPlayNetHandler) (Object) this) {
+                ibaritone.getGameEventHandler().onChunkEvent(
+                        new ChunkEvent(EventState.PRE, ChunkEvent.Type.UNLOAD, packet.getX(), packet.getZ())
+                );
+            }
+        }
+    }
+
+    @Inject(
+            method = "processChunkUnload",
+            at = @At("RETURN")
+    )
+    private void postChunkUnload(SUnloadChunkPacket packet, CallbackInfo ci) {
+        for (IBaritone ibaritone : BaritoneAPI.getProvider().getAllBaritones()) {
+            if (ibaritone.getPlayerContext().player().connection == (ClientPlayNetHandler) (Object) this) {
+                ibaritone.getGameEventHandler().onChunkEvent(
+                        new ChunkEvent(EventState.POST, ChunkEvent.Type.UNLOAD, packet.getX(), packet.getZ())
+                );
+            }
+        }
+    }
+
     @Inject(
             method = "handleCombatEvent",
             at = @At(
                     value = "INVOKE",
-                    target = "net/minecraft/client/Minecraft.displayGuiScreen(Lnet/minecraft/client/gui/GuiScreen;)V"
+                    target = "net/minecraft/client/Minecraft.displayGuiScreen(Lnet/minecraft/client/gui/screen/Screen;)V"
             )
     )
-    private void onPlayerDeath(SPacketCombatEvent packetIn, CallbackInfo ci) {
+    private void onPlayerDeath(SCombatPacket packetIn, CallbackInfo ci) {
         for (IBaritone ibaritone : BaritoneAPI.getProvider().getAllBaritones()) {
-            if (ibaritone.getPlayerContext().player().connection == (NetHandlerPlayClient) (Object) this) {
+            if (ibaritone.getPlayerContext().player().connection == (ClientPlayNetHandler) (Object) this) {
                 ibaritone.getGameEventHandler().onPlayerDeath();
             }
         }

src/launch/java/baritone/launch/mixins/MixinClientPlayerEntity.java

@@ -24,9 +24,9 @@ import baritone.api.event.events.PlayerUpdateEvent;
 import baritone.api.event.events.SprintStateEvent;
 import baritone.api.event.events.type.EventState;
 import baritone.behavior.LookBehavior;
-import net.minecraft.client.entity.EntityPlayerSP;
+import net.minecraft.client.entity.player.ClientPlayerEntity;
 import net.minecraft.client.settings.KeyBinding;
-import net.minecraft.entity.player.PlayerCapabilities;
+import net.minecraft.entity.player.PlayerAbilities;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.injection.At;
 import org.spongepowered.asm.mixin.injection.Inject;
@@ -37,8 +37,8 @@ import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
  * @author Brady
  * @since 8/1/2018
  */
-@Mixin(EntityPlayerSP.class)
-public class MixinEntityPlayerSP {
+@Mixin(ClientPlayerEntity.class)
+public class MixinClientPlayerEntity {
 
     @Inject(
             method = "sendChatMessage",
@@ -47,7 +47,7 @@ public class MixinEntityPlayerSP {
     )
     private void sendChatMessage(String msg, CallbackInfo ci) {
         ChatEvent event = new ChatEvent(msg);
-        IBaritone baritone = BaritoneAPI.getProvider().getBaritoneForPlayer((EntityPlayerSP) (Object) this);
+        IBaritone baritone = BaritoneAPI.getProvider().getBaritoneForPlayer((ClientPlayerEntity) (Object) this);
         if (baritone == null) {
             return;
         }
@@ -58,46 +58,46 @@ public class MixinEntityPlayerSP {
     }
 
     @Inject(
-            method = "onUpdate",
+            method = "tick",
             at = @At(
                     value = "INVOKE",
-                    target = "net/minecraft/client/entity/EntityPlayerSP.isRiding()Z",
+                    target = "net/minecraft/client/entity/player/ClientPlayerEntity.isPassenger()Z",
                     shift = At.Shift.BY,
                     by = -3
             )
     )
     private void onPreUpdate(CallbackInfo ci) {
-        IBaritone baritone = BaritoneAPI.getProvider().getBaritoneForPlayer((EntityPlayerSP) (Object) this);
+        IBaritone baritone = BaritoneAPI.getProvider().getBaritoneForPlayer((ClientPlayerEntity) (Object) this);
         if (baritone != null) {
             baritone.getGameEventHandler().onPlayerUpdate(new PlayerUpdateEvent(EventState.PRE));
         }
     }
 
     @Inject(
-            method = "onUpdate",
+            method = "tick",
             at = @At(
                     value = "INVOKE",
-                    target = "net/minecraft/client/entity/EntityPlayerSP.onUpdateWalkingPlayer()V",
+                    target = "net/minecraft/client/entity/player/ClientPlayerEntity.onUpdateWalkingPlayer()V",
                     shift = At.Shift.BY,
                     by = 2
             )
     )
     private void onPostUpdate(CallbackInfo ci) {
-        IBaritone baritone = BaritoneAPI.getProvider().getBaritoneForPlayer((EntityPlayerSP) (Object) this);
+        IBaritone baritone = BaritoneAPI.getProvider().getBaritoneForPlayer((ClientPlayerEntity) (Object) this);
         if (baritone != null) {
             baritone.getGameEventHandler().onPlayerUpdate(new PlayerUpdateEvent(EventState.POST));
         }
     }
 
     @Redirect(
-            method = "onLivingUpdate",
+            method = "livingTick",
             at = @At(
                     value = "FIELD",
-                    target = "net/minecraft/entity/player/PlayerCapabilities.allowFlying:Z"
+                    target = "net/minecraft/entity/player/PlayerAbilities.allowFlying:Z"
             )
     )
-    private boolean isAllowFlying(PlayerCapabilities capabilities) {
-        IBaritone baritone = BaritoneAPI.getProvider().getBaritoneForPlayer((EntityPlayerSP) (Object) this);
+    private boolean isAllowFlying(PlayerAbilities capabilities) {
+        IBaritone baritone = BaritoneAPI.getProvider().getBaritoneForPlayer((ClientPlayerEntity) (Object) this);
         if (baritone == null) {
             return capabilities.allowFlying;
         }
@@ -105,14 +105,14 @@ public class MixinEntityPlayerSP {
     }
 
     @Redirect(
-            method = "onLivingUpdate",
+            method = "livingTick",
             at = @At(
                     value = "INVOKE",
                     target = "net/minecraft/client/settings/KeyBinding.isKeyDown()Z"
             )
     )
     private boolean isKeyDown(KeyBinding keyBinding) {
-        IBaritone baritone = BaritoneAPI.getProvider().getBaritoneForPlayer((EntityPlayerSP) (Object) this);
+        IBaritone baritone = BaritoneAPI.getProvider().getBaritoneForPlayer((ClientPlayerEntity) (Object) this);
         if (baritone == null) {
             return keyBinding.isKeyDown();
         }
@@ -135,7 +135,7 @@ public class MixinEntityPlayerSP {
             )
     )
     private void updateRidden(CallbackInfo cb) {
-        IBaritone baritone = BaritoneAPI.getProvider().getBaritoneForPlayer((EntityPlayerSP) (Object) this);
+        IBaritone baritone = BaritoneAPI.getProvider().getBaritoneForPlayer((ClientPlayerEntity) (Object) this);
         if (baritone != null) {
             ((LookBehavior) baritone.getLookBehavior()).pig();
         }

src/launch/java/baritone/launch/mixins/MixinEntity.java

@@ -0,0 +1,60 @@
+/*
+ * This file is part of Baritone.
+ *
+ * Baritone is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Baritone is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with Baritone.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package baritone.launch.mixins;
+
+import baritone.api.BaritoneAPI;
+import baritone.api.event.events.RotationMoveEvent;
+import net.minecraft.client.entity.player.ClientPlayerEntity;
+import net.minecraft.entity.Entity;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Shadow;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+
+@Mixin(Entity.class)
+public class MixinEntity {
+
+    @Shadow
+    private float rotationYaw;
+
+    float yawRestore;
+
+    @Inject(
+            method = "moveRelative",
+            at = @At("HEAD")
+    )
+    private void moveRelativeHead(CallbackInfo info) {
+        this.yawRestore = this.rotationYaw;
+        // noinspection ConstantConditions
+        if (!ClientPlayerEntity.class.isInstance(this) || BaritoneAPI.getProvider().getBaritoneForPlayer((ClientPlayerEntity) (Object) this) == null) {
+            return;
+        }
+        RotationMoveEvent motionUpdateRotationEvent = new RotationMoveEvent(RotationMoveEvent.Type.MOTION_UPDATE, this.rotationYaw);
+        BaritoneAPI.getProvider().getBaritoneForPlayer((ClientPlayerEntity) (Object) this).getGameEventHandler().onPlayerRotationMove(motionUpdateRotationEvent);
+        this.rotationYaw = motionUpdateRotationEvent.getYaw();
+    }
+
+    @Inject(
+            method = "moveRelative",
+            at = @At("RETURN")
+    )
+    private void moveRelativeReturn(CallbackInfo info) {
+        this.rotationYaw = this.yawRestore;
+    }
+}

src/launch/java/baritone/launch/mixins/MixinEntityRenderManager.java

@@ -17,27 +17,32 @@
 
 package baritone.launch.mixins;
 
-import baritone.utils.accessor.IAnvilChunkLoader;
-import net.minecraft.world.chunk.storage.AnvilChunkLoader;
-import org.spongepowered.asm.mixin.Final;
+import baritone.utils.accessor.IEntityRenderManager;
+import net.minecraft.client.renderer.entity.EntityRendererManager;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.Shadow;
 
-import java.io.File;
-
-/**
- * @author Brady
- * @since 9/4/2018
- */
-@Mixin(AnvilChunkLoader.class)
-public class MixinAnvilChunkLoader implements IAnvilChunkLoader {
-
+@Mixin(EntityRendererManager.class)
+public class MixinEntityRenderManager implements IEntityRenderManager {
     @Shadow
-    @Final
-    private File chunkSaveLocation;
+    private double renderPosX;
+    @Shadow
+    private double renderPosY;
+    @Shadow
+    private double renderPosZ;
 
     @Override
-    public File getChunkSaveLocation() {
-        return this.chunkSaveLocation;
+    public double renderPosX() {
+        return renderPosX;
+    }
+
+    @Override
+    public double renderPosY() {
+        return renderPosY;
+    }
+
+    @Override
+    public double renderPosZ() {
+        return renderPosZ;
     }
 }

src/launch/java/baritone/launch/mixins/MixinGameRenderer.java

@@ -20,24 +20,24 @@ package baritone.launch.mixins;
 import baritone.api.BaritoneAPI;
 import baritone.api.IBaritone;
 import baritone.api.event.events.RenderEvent;
-import net.minecraft.client.renderer.EntityRenderer;
+import net.minecraft.client.renderer.GameRenderer;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.injection.At;
 import org.spongepowered.asm.mixin.injection.Inject;
 import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
 
-@Mixin(EntityRenderer.class)
-public class MixinEntityRenderer {
+@Mixin(GameRenderer.class)
+public class MixinGameRenderer {
 
     @Inject(
-            method = "renderWorldPass",
+            method = "updateCameraAndRender(FJ)V",
             at = @At(
                     value = "INVOKE_STRING",
-                    target = "Lnet/minecraft/profiler/Profiler;endStartSection(Ljava/lang/String;)V",
+                    target = "Lnet/minecraft/profiler/IProfiler;endStartSection(Ljava/lang/String;)V",
                     args = {"ldc=hand"}
             )
     )
-    private void renderWorldPass(int pass, float partialTicks, long finishTimeNano, CallbackInfo ci) {
+    private void renderWorldPass(float partialTicks, long finishTimeNano, CallbackInfo ci) {
         for (IBaritone ibaritone : BaritoneAPI.getProvider().getAllBaritones()) {
             ibaritone.getGameEventHandler().onRenderPass(new RenderEvent(partialTicks));
         }

src/launch/java/baritone/launch/mixins/MixinLivingEntity.java

@@ -20,9 +20,11 @@ package baritone.launch.mixins;
 import baritone.api.BaritoneAPI;
 import baritone.api.IBaritone;
 import baritone.api.event.events.RotationMoveEvent;
-import net.minecraft.client.entity.EntityPlayerSP;
+import net.minecraft.client.entity.player.ClientPlayerEntity;
 import net.minecraft.entity.Entity;
-import net.minecraft.entity.EntityLivingBase;
+import net.minecraft.entity.EntityType;
+import net.minecraft.entity.LivingEntity;
+import net.minecraft.util.math.Vec3d;
 import net.minecraft.world.World;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.injection.At;
@@ -36,17 +38,16 @@ import static org.spongepowered.asm.lib.Opcodes.GETFIELD;
  * @author Brady
  * @since 9/10/2018
  */
-@Mixin(EntityLivingBase.class)
-public abstract class MixinEntityLivingBase extends Entity {
+@Mixin(LivingEntity.class)
+public abstract class MixinLivingEntity extends Entity {
 
     /**
      * Event called to override the movement direction when jumping
      */
     private RotationMoveEvent jumpRotationEvent;
 
-    public MixinEntityLivingBase(World worldIn, RotationMoveEvent jumpRotationEvent) {
-        super(worldIn);
-        this.jumpRotationEvent = jumpRotationEvent;
+    public MixinLivingEntity(EntityType<?> entityTypeIn, World worldIn) {
+        super(entityTypeIn, worldIn);
     }
 
     @Inject(
@@ -55,8 +56,8 @@ public abstract class MixinEntityLivingBase extends Entity {
     )
     private void preMoveRelative(CallbackInfo ci) {
         // noinspection ConstantConditions
-        if (EntityPlayerSP.class.isInstance(this)) {
-            IBaritone baritone = BaritoneAPI.getProvider().getBaritoneForPlayer((EntityPlayerSP) (Object) this);
+        if (ClientPlayerEntity.class.isInstance(this)) {
+            IBaritone baritone = BaritoneAPI.getProvider().getBaritoneForPlayer((ClientPlayerEntity) (Object) this);
             if (baritone != null) {
                 this.jumpRotationEvent = new RotationMoveEvent(RotationMoveEvent.Type.JUMP, this.rotationYaw);
                 baritone.getGameEventHandler().onPlayerRotationMove(this.jumpRotationEvent);
@@ -69,34 +70,15 @@ public abstract class MixinEntityLivingBase extends Entity {
             at = @At(
                     value = "FIELD",
                     opcode = GETFIELD,
-                    target = "net/minecraft/entity/EntityLivingBase.rotationYaw:F"
+                    target = "net/minecraft/entity/LivingEntity.rotationYaw:F"
             )
     )
-    private float overrideYaw(EntityLivingBase self) {
-        if (self instanceof EntityPlayerSP && BaritoneAPI.getProvider().getBaritoneForPlayer((EntityPlayerSP) (Object) this) != null) {
+    private float overrideYaw(LivingEntity self) {
+        if (self instanceof ClientPlayerEntity && BaritoneAPI.getProvider().getBaritoneForPlayer((ClientPlayerEntity) (Object) this) != null) {
             return this.jumpRotationEvent.getYaw();
         }
         return self.rotationYaw;
     }
 
-    @Redirect(
-            method = "travel",
-            at = @At(
-                    value = "INVOKE",
-                    target = "net/minecraft/entity/EntityLivingBase.moveRelative(FFFF)V"
-            )
-    )
-    private void travel(EntityLivingBase self, float strafe, float up, float forward, float friction) {
-        // noinspection ConstantConditions
-        if (!EntityPlayerSP.class.isInstance(this) || BaritoneAPI.getProvider().getBaritoneForPlayer((EntityPlayerSP) (Object) this) == null) {
-            moveRelative(strafe, up, forward, friction);
-            return;
-        }
-        RotationMoveEvent motionUpdateRotationEvent = new RotationMoveEvent(RotationMoveEvent.Type.MOTION_UPDATE, this.rotationYaw);
-        BaritoneAPI.getProvider().getBaritoneForPlayer((EntityPlayerSP) (Object) this).getGameEventHandler().onPlayerRotationMove(motionUpdateRotationEvent);
-        float originalYaw = this.rotationYaw;
-        this.rotationYaw = motionUpdateRotationEvent.getYaw();
-        this.moveRelative(strafe, up, forward, friction);
-        this.rotationYaw = originalYaw;
-    }
+
 }

src/launch/java/baritone/launch/mixins/MixinLootContext.java

@@ -0,0 +1,58 @@
+/*
+ * This file is part of Baritone.
+ *
+ * Baritone is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Baritone is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with Baritone.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package baritone.launch.mixins;
+
+import baritone.process.MineProcess;
+import net.minecraft.server.MinecraftServer;
+import net.minecraft.world.server.ServerWorld;
+import net.minecraft.world.storage.loot.LootContext;
+import net.minecraft.world.storage.loot.LootTableManager;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Redirect;
+
+@Mixin(LootContext.Builder.class)
+public class MixinLootContext {
+    @Redirect(
+            method = "build",
+            at = @At(
+                    value = "INVOKE",
+                    target = "net/minecraft/world/server/ServerWorld.getServer()Lnet/minecraft/server/MinecraftServer;"
+            )
+    )
+    private MinecraftServer getServer(ServerWorld world) {
+        if (world == null) {
+            return null;
+        }
+        return world.getServer();
+    }
+
+    @Redirect(
+            method = "build",
+            at = @At(
+                    value = "INVOKE",
+                    target = "net/minecraft/server/MinecraftServer.getLootTableManager()Lnet/minecraft/world/storage/loot/LootTableManager;"
+            )
+    )
+    private LootTableManager getLootTableManager(MinecraftServer server) {
+        if (server == null) {
+            return MineProcess.getManager();
+        }
+        return server.getLootTableManager();
+    }
+}

src/launch/java/baritone/launch/mixins/MixinMinecraft.java

@@ -26,13 +26,13 @@ import baritone.api.event.events.WorldEvent;
 import baritone.api.event.events.type.EventState;
 import baritone.utils.BaritoneAutoTest;
 import net.minecraft.client.Minecraft;
-import net.minecraft.client.entity.EntityPlayerSP;
-import net.minecraft.client.gui.GuiScreen;
-import net.minecraft.client.multiplayer.WorldClient;
+import net.minecraft.client.entity.player.ClientPlayerEntity;
+import net.minecraft.client.gui.screen.Screen;
+import net.minecraft.client.world.ClientWorld;
 import net.minecraft.item.ItemStack;
-import net.minecraft.util.EnumActionResult;
-import net.minecraft.util.EnumHand;
-import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.ActionResultType;
+import net.minecraft.util.Hand;
+import net.minecraft.util.math.BlockRayTraceResult;
 import org.spongepowered.asm.lib.Opcodes;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.Shadow;
@@ -50,9 +50,9 @@ import org.spongepowered.asm.mixin.injection.callback.LocalCapture;
 public class MixinMinecraft {
 
     @Shadow
-    public EntityPlayerSP player;
+    public ClientPlayerEntity player;
     @Shadow
-    public WorldClient world;
+    public ClientWorld world;
 
     @Inject(
             method = "init",
@@ -78,7 +78,7 @@ public class MixinMinecraft {
             at = @At(
                     value = "FIELD",
                     opcode = Opcodes.GETFIELD,
-                    target = "net/minecraft/client/Minecraft.currentScreen:Lnet/minecraft/client/gui/GuiScreen;",
+                    target = "net/minecraft/client/Minecraft.currentScreen:Lnet/minecraft/client/gui/screen/Screen;",
                     ordinal = 5,
                     shift = At.Shift.BY,
                     by = -3
@@ -97,10 +97,10 @@ public class MixinMinecraft {
     }
 
     @Inject(
-            method = "loadWorld(Lnet/minecraft/client/multiplayer/WorldClient;Ljava/lang/String;)V",
+            method = "loadWorld(Lnet/minecraft/client/world/ClientWorld;)V",
             at = @At("HEAD")
     )
-    private void preLoadWorld(WorldClient world, String loadingMessage, CallbackInfo ci) {
+    private void preLoadWorld(ClientWorld world, CallbackInfo ci) {
         // If we're unloading the world but one doesn't exist, ignore it
         if (this.world == null && world == null) {
             return;
@@ -117,10 +117,10 @@ public class MixinMinecraft {
     }
 
     @Inject(
-            method = "loadWorld(Lnet/minecraft/client/multiplayer/WorldClient;Ljava/lang/String;)V",
+            method = "loadWorld(Lnet/minecraft/client/world/ClientWorld;)V",
             at = @At("RETURN")
     )
-    private void postLoadWorld(WorldClient world, String loadingMessage, CallbackInfo ci) {
+    private void postLoadWorld(ClientWorld world, CallbackInfo ci) {
         // still fire event for both null, as that means we've just finished exiting a world
 
         // mc.world changing is only the primary baritone
@@ -137,37 +137,24 @@ public class MixinMinecraft {
             at = @At(
                     value = "FIELD",
                     opcode = Opcodes.GETFIELD,
-                    target = "net/minecraft/client/gui/GuiScreen.allowUserInput:Z"
+                    target = "net/minecraft/client/gui/screen/Screen.passEvents:Z"
             )
     )
-    private boolean isAllowUserInput(GuiScreen screen) {
+    private boolean passEvents(Screen screen) {
         // allow user input is only the primary baritone
-        return (BaritoneAPI.getProvider().getPrimaryBaritone().getPathingBehavior().getCurrent() != null && player != null) || screen.allowUserInput;
-    }
-
-    @Inject(
-            method = "clickMouse",
-            at = @At(
-                    value = "INVOKE",
-                    target = "net/minecraft/client/multiplayer/PlayerControllerMP.clickBlock(Lnet/minecraft/util/math/BlockPos;Lnet/minecraft/util/EnumFacing;)Z"
-            ),
-            locals = LocalCapture.CAPTURE_FAILHARD
-    )
-    private void onBlockBreak(CallbackInfo ci, BlockPos pos) {
-        // clickMouse is only for the main player
-        BaritoneAPI.getProvider().getPrimaryBaritone().getGameEventHandler().onBlockInteract(new BlockInteractEvent(pos, BlockInteractEvent.Type.START_BREAK));
+        return (BaritoneAPI.getProvider().getPrimaryBaritone().getPathingBehavior().getCurrent() != null && player != null) || screen.passEvents;
     }
 
     @Inject(
             method = "rightClickMouse",
             at = @At(
                     value = "INVOKE",
-                    target = "net/minecraft/client/entity/EntityPlayerSP.swingArm(Lnet/minecraft/util/EnumHand;)V"
+                    target = "net/minecraft/client/entity/player/ClientPlayerEntity.swingArm(Lnet/minecraft/util/Hand;)V"
             ),
             locals = LocalCapture.CAPTURE_FAILHARD
     )
-    private void onBlockUse(CallbackInfo ci, EnumHand var1[], int var2, int var3, EnumHand enumhand, ItemStack itemstack, BlockPos blockpos, int i, EnumActionResult enumactionresult) {
+    private void onBlockUse(CallbackInfo ci, Hand var1[], int var2, int var3, Hand enumhand, ItemStack itemstack, BlockRayTraceResult raytrace, int i, ActionResultType enumactionresult) {
         // rightClickMouse is only for the main player
-        BaritoneAPI.getProvider().getPrimaryBaritone().getGameEventHandler().onBlockInteract(new BlockInteractEvent(blockpos, BlockInteractEvent.Type.USE));
+        BaritoneAPI.getProvider().getPrimaryBaritone().getGameEventHandler().onBlockInteract(new BlockInteractEvent(raytrace.getPos(), BlockInteractEvent.Type.USE));
     }
 }

src/launch/java/baritone/launch/mixins/MixinNetworkManager.java

@@ -25,9 +25,9 @@ import io.netty.channel.Channel;
 import io.netty.channel.ChannelHandlerContext;
 import io.netty.util.concurrent.Future;
 import io.netty.util.concurrent.GenericFutureListener;
-import net.minecraft.network.EnumPacketDirection;
+import net.minecraft.network.IPacket;
 import net.minecraft.network.NetworkManager;
-import net.minecraft.network.Packet;
+import net.minecraft.network.PacketDirection;
 import org.spongepowered.asm.mixin.Final;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.Shadow;
@@ -47,14 +47,14 @@ public class MixinNetworkManager {
 
     @Shadow
     @Final
-    private EnumPacketDirection direction;
+    private PacketDirection direction;
 
     @Inject(
             method = "dispatchPacket",
             at = @At("HEAD")
     )
-    private void preDispatchPacket(Packet<?> inPacket, final GenericFutureListener<? extends Future<? super Void>>[] futureListeners, CallbackInfo ci) {
-        if (this.direction != EnumPacketDirection.CLIENTBOUND) {
+    private void preDispatchPacket(IPacket<?> inPacket, final GenericFutureListener<? extends Future<? super Void>> futureListeners, CallbackInfo ci) {
+        if (this.direction != PacketDirection.CLIENTBOUND) {
             return;
         }
 
@@ -69,8 +69,8 @@ public class MixinNetworkManager {
             method = "dispatchPacket",
             at = @At("RETURN")
     )
-    private void postDispatchPacket(Packet<?> inPacket, final GenericFutureListener<? extends Future<? super Void>>[] futureListeners, CallbackInfo ci) {
-        if (this.direction != EnumPacketDirection.CLIENTBOUND) {
+    private void postDispatchPacket(IPacket<?> inPacket, final GenericFutureListener<? extends Future<? super Void>> futureListeners, CallbackInfo ci) {
+        if (this.direction != PacketDirection.CLIENTBOUND) {
             return;
         }
 
@@ -85,11 +85,11 @@ public class MixinNetworkManager {
             method = "channelRead0",
             at = @At(
                     value = "INVOKE",
-                    target = "net/minecraft/network/Packet.processPacket(Lnet/minecraft/network/INetHandler;)V"
+                    target = "net/minecraft/network/NetworkManager.processPacket(Lnet/minecraft/network/IPacket;Lnet/minecraft/network/INetHandler;)V"
             )
     )
-    private void preProcessPacket(ChannelHandlerContext context, Packet<?> packet, CallbackInfo ci) {
-        if (this.direction != EnumPacketDirection.CLIENTBOUND) {
+    private void preProcessPacket(ChannelHandlerContext context, IPacket<?> packet, CallbackInfo ci) {
+        if (this.direction != PacketDirection.CLIENTBOUND) {
             return;
         }
         for (IBaritone ibaritone : BaritoneAPI.getProvider().getAllBaritones()) {
@@ -103,8 +103,8 @@ public class MixinNetworkManager {
             method = "channelRead0",
             at = @At("RETURN")
     )
-    private void postProcessPacket(ChannelHandlerContext context, Packet<?> packet, CallbackInfo ci) {
-        if (!this.channel.isOpen() || this.direction != EnumPacketDirection.CLIENTBOUND) {
+    private void postProcessPacket(ChannelHandlerContext context, IPacket<?> packet, CallbackInfo ci) {
+        if (!this.channel.isOpen() || this.direction != PacketDirection.CLIENTBOUND) {
             return;
         }
         for (IBaritone ibaritone : BaritoneAPI.getProvider().getAllBaritones()) {

src/launch/java/baritone/launch/mixins/MixinRenderChunk.java

@@ -1,89 +0,0 @@
-/*
- * This file is part of Baritone.
- *
- * Baritone is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * Baritone is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with Baritone.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-package baritone.launch.mixins;
-
-import baritone.Baritone;
-import baritone.api.BaritoneAPI;
-import baritone.api.utils.IPlayerContext;
-import net.minecraft.block.state.IBlockState;
-import net.minecraft.client.Minecraft;
-import net.minecraft.client.renderer.chunk.RenderChunk;
-import net.minecraft.util.math.BlockPos;
-import net.minecraft.world.ChunkCache;
-import org.spongepowered.asm.mixin.Mixin;
-import org.spongepowered.asm.mixin.injection.At;
-import org.spongepowered.asm.mixin.injection.Redirect;
-
-/**
- * @author Brady
- * @since 1/29/2019
- */
-@Mixin(RenderChunk.class)
-public class MixinRenderChunk {
-
-    @Redirect(
-            method = "rebuildChunk",
-            at = @At(
-                    value = "INVOKE",
-                    target = "net/minecraft/world/ChunkCache.isEmpty()Z"
-            )
-    )
-    private boolean isEmpty(ChunkCache chunkCache) {
-        if (!chunkCache.isEmpty()) {
-            return false;
-        }
-        if (Baritone.settings().renderCachedChunks.value && !Minecraft.getMinecraft().isSingleplayer()) {
-            Baritone baritone = (Baritone) BaritoneAPI.getProvider().getPrimaryBaritone();
-            IPlayerContext ctx = baritone.getPlayerContext();
-            if (ctx.player() != null && ctx.world() != null && baritone.bsi != null) {
-                BlockPos position = ((RenderChunk) (Object) this).getPosition();
-                // RenderChunk extends from -1,-1,-1 to +16,+16,+16
-                // then the constructor of ChunkCache extends it one more (presumably to get things like the connected status of fences? idk)
-                // so if ANY of the adjacent chunks are loaded, we are unempty
-                for (int dx = -1; dx <= 1; dx++) {
-                    for (int dz = -1; dz <= 1; dz++) {
-                        if (baritone.bsi.isLoaded(16 * dx + position.getX(), 16 * dz + position.getZ())) {
-                            return false;
-                        }
-                    }
-                }
-            }
-        }
-
-        return true;
-    }
-
-    @Redirect(
-            method = "rebuildChunk",
-            at = @At(
-                    value = "INVOKE",
-                    target = "net/minecraft/world/ChunkCache.getBlockState(Lnet/minecraft/util/math/BlockPos;)Lnet/minecraft/block/state/IBlockState;"
-            )
-    )
-    private IBlockState getBlockState(ChunkCache chunkCache, BlockPos pos) {
-        if (Baritone.settings().renderCachedChunks.value && !Minecraft.getMinecraft().isSingleplayer()) {
-            Baritone baritone = (Baritone) BaritoneAPI.getProvider().getPrimaryBaritone();
-            IPlayerContext ctx = baritone.getPlayerContext();
-            if (ctx.player() != null && ctx.world() != null && baritone.bsi != null) {
-                return baritone.bsi.get0(pos);
-            }
-        }
-
-        return chunkCache.getBlockState(pos);
-    }
-}

src/launch/java/baritone/launch/mixins/MixinRenderList.java

@@ -1,47 +0,0 @@
-/*
- * This file is part of Baritone.
- *
- * Baritone is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * Baritone is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with Baritone.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-package baritone.launch.mixins;
-
-import baritone.Baritone;
-import net.minecraft.client.Minecraft;
-import net.minecraft.client.renderer.GlStateManager;
-import net.minecraft.client.renderer.RenderList;
-import org.spongepowered.asm.mixin.Mixin;
-import org.spongepowered.asm.mixin.injection.At;
-import org.spongepowered.asm.mixin.injection.Redirect;
-
-import static org.lwjgl.opengl.GL11.*;
-
-@Mixin(RenderList.class)
-public class MixinRenderList {
-
-    @Redirect( // avoid creating CallbackInfo at all costs; this is called 40k times per second
-            method = "renderChunkLayer",
-            at = @At(
-                    value = "INVOKE",
-                    target = "net/minecraft/client/renderer/GlStateManager.popMatrix()V"
-            )
-    )
-    private void popMatrix() {
-        if (Baritone.settings().renderCachedChunks.value && !Minecraft.getMinecraft().isSingleplayer()) {
-            // reset the blend func to normal (not dependent on constant alpha)
-            GlStateManager.tryBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ZERO);
-        }
-        GlStateManager.popMatrix();
-    }
-}

src/launch/java/baritone/launch/mixins/MixinVboRenderList.java

@@ -1,47 +0,0 @@
-/*
- * This file is part of Baritone.
- *
- * Baritone is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * Baritone is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with Baritone.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-package baritone.launch.mixins;
-
-import baritone.Baritone;
-import net.minecraft.client.Minecraft;
-import net.minecraft.client.renderer.GlStateManager;
-import net.minecraft.client.renderer.VboRenderList;
-import org.spongepowered.asm.mixin.Mixin;
-import org.spongepowered.asm.mixin.injection.At;
-import org.spongepowered.asm.mixin.injection.Redirect;
-
-import static org.lwjgl.opengl.GL11.*;
-
-@Mixin(VboRenderList.class)
-public class MixinVboRenderList {
-
-    @Redirect( // avoid creating CallbackInfo at all costs; this is called 40k times per second
-            method = "renderChunkLayer",
-            at = @At(
-                    value = "INVOKE",
-                    target = "net/minecraft/client/renderer/GlStateManager.popMatrix()V"
-            )
-    )
-    private void popMatrix() {
-        if (Baritone.settings().renderCachedChunks.value && !Minecraft.getMinecraft().isSingleplayer()) {
-            // reset the blend func to normal (not dependent on constant alpha)
-            GlStateManager.tryBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ZERO);
-        }
-        GlStateManager.popMatrix();
-    }
-}

src/launch/java/baritone/launch/mixins/MixinWorldClient.java

@@ -1,75 +0,0 @@
-/*
- * This file is part of Baritone.
- *
- * Baritone is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * Baritone is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with Baritone.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-package baritone.launch.mixins;
-
-import baritone.api.BaritoneAPI;
-import baritone.api.IBaritone;
-import baritone.api.event.events.ChunkEvent;
-import baritone.api.event.events.type.EventState;
-import net.minecraft.client.multiplayer.WorldClient;
-import org.spongepowered.asm.mixin.Mixin;
-import org.spongepowered.asm.mixin.injection.At;
-import org.spongepowered.asm.mixin.injection.Inject;
-import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
-
-/**
- * @author Brady
- * @since 8/2/2018
- */
-@Mixin(WorldClient.class)
-public class MixinWorldClient {
-
-    @Inject(
-            method = "doPreChunk",
-            at = @At("HEAD")
-    )
-    private void preDoPreChunk(int chunkX, int chunkZ, boolean loadChunk, CallbackInfo ci) {
-        for (IBaritone ibaritone : BaritoneAPI.getProvider().getAllBaritones()) {
-            if (ibaritone.getPlayerContext().world() == (WorldClient) (Object) this) {
-                ibaritone.getGameEventHandler().onChunkEvent(
-                        new ChunkEvent(
-                                EventState.PRE,
-                                loadChunk ? ChunkEvent.Type.LOAD : ChunkEvent.Type.UNLOAD,
-                                chunkX,
-                                chunkZ
-                        )
-                );
-            }
-        }
-
-    }
-
-    @Inject(
-            method = "doPreChunk",
-            at = @At("RETURN")
-    )
-    private void postDoPreChunk(int chunkX, int chunkZ, boolean loadChunk, CallbackInfo ci) {
-        for (IBaritone ibaritone : BaritoneAPI.getProvider().getAllBaritones()) {
-            if (ibaritone.getPlayerContext().world() == (WorldClient) (Object) this) {
-                ibaritone.getGameEventHandler().onChunkEvent(
-                        new ChunkEvent(
-                                EventState.POST,
-                                loadChunk ? ChunkEvent.Type.LOAD : ChunkEvent.Type.UNLOAD,
-                                chunkX,
-                                chunkZ
-                        )
-                );
-            }
-        }
-    }
-}

src/launch/resources/mixins.baritone.json

@@ -8,21 +8,17 @@
     "maxShiftBy": 2
   },
   "client": [
-    "MixinAnvilChunkLoader",
     "MixinBlockPos",
-    "MixinChunkProviderClient",
-    "MixinChunkProviderServer",
-    "MixinChunkRenderContainer",
-    "MixinChunkRenderWorker",
-    "MixinEntityLivingBase",
-    "MixinEntityPlayerSP",
-    "MixinEntityRenderer",
+    "MixinChunkArray",
+    "MixinClientChunkProvider",
+    "MixinClientPlayerEntity",
+    "MixinClientPlayNetHandler",
+    "MixinEntity",
+    "MixinEntityRenderManager",
+    "MixinGameRenderer",
+    "MixinLivingEntity",
+    "MixinLootContext",
     "MixinMinecraft",
-    "MixinNetHandlerPlayClient",
-    "MixinNetworkManager",
-    "MixinRenderChunk",
-    "MixinRenderList",
-    "MixinVboRenderList",
-    "MixinWorldClient"
+    "MixinNetworkManager"
   ]
 }

src/main/java/baritone/Baritone.java

@@ -52,7 +52,7 @@ public class Baritone implements IBaritone {
     static {
         threadPool = new ThreadPoolExecutor(4, Integer.MAX_VALUE, 60L, TimeUnit.SECONDS, new SynchronousQueue<>());
 
-        dir = new File(Minecraft.getMinecraft().gameDir, "baritone");
+        dir = new File(Minecraft.getInstance().gameDir, "baritone");
         if (!Files.exists(dir.toPath())) {
             try {
                 Files.createDirectories(dir.toPath());
@@ -218,7 +218,7 @@ public class Baritone implements IBaritone {
         new Thread(() -> {
             try {
                 Thread.sleep(100);
-                Helper.mc.addScheduledTask(() -> Helper.mc.displayGuiScreen(new GuiClick()));
+                Helper.mc.execute(() -> Helper.mc.displayGuiScreen(new GuiClick()));
             } catch (Exception ignored) {}
         }).start();
     }
@@ -234,4 +234,4 @@ public class Baritone implements IBaritone {
     public static Executor getExecutor() {
         return threadPool;
     }
-}
+}

src/main/java/baritone/behavior/InventoryBehavior.java

@@ -21,10 +21,10 @@ import baritone.Baritone;
 import baritone.api.event.events.TickEvent;
 import baritone.utils.ToolSet;
 import net.minecraft.block.Block;
-import net.minecraft.block.state.IBlockState;
-import net.minecraft.client.entity.EntityPlayerSP;
-import net.minecraft.init.Blocks;
-import net.minecraft.inventory.ClickType;
+import net.minecraft.block.BlockState;
+import net.minecraft.block.Blocks;
+import net.minecraft.client.entity.player.ClientPlayerEntity;
+import net.minecraft.inventory.container.ClickType;
 import net.minecraft.item.*;
 import net.minecraft.util.NonNullList;
 
@@ -46,14 +46,14 @@ public final class InventoryBehavior extends Behavior {
         if (event.getType() == TickEvent.Type.OUT) {
             return;
         }
-        if (ctx.player().openContainer != ctx.player().inventoryContainer) {
+        if (ctx.player().openContainer != ctx.player().container) {
             // we have a crafting table or a chest or something open
             return;
         }
         if (firstValidThrowaway() >= 9) { // aka there are none on the hotbar, but there are some in main inventory
             swapWithHotBar(firstValidThrowaway(), 8);
         }
-        int pick = bestToolAgainst(Blocks.STONE, ItemPickaxe.class);
+        int pick = bestToolAgainst(Blocks.STONE, PickaxeItem.class);
         if (pick >= 9) {
             swapWithHotBar(pick, 0);
         }
@@ -88,7 +88,7 @@ public final class InventoryBehavior extends Behavior {
     }
 
     private void swapWithHotBar(int inInventory, int inHotbar) {
-        ctx.playerController().windowClick(ctx.player().inventoryContainer.windowId, inInventory < 9 ? inInventory + 36 : inInventory, inHotbar, ClickType.SWAP, ctx.player());
+        ctx.playerController().windowClick(ctx.player().container.windowId, inInventory < 9 ? inInventory + 36 : inInventory, inHotbar, ClickType.SWAP, ctx.player());
     }
 
     private int firstValidThrowaway() { // TODO offhand idk
@@ -101,7 +101,7 @@ public final class InventoryBehavior extends Behavior {
         return -1;
     }
 
-    private int bestToolAgainst(Block against, Class<? extends ItemTool> klass) {
+    private int bestToolAgainst(Block against, Class<? extends ToolItem> klass) {
         NonNullList<ItemStack> invy = ctx.player().inventory.mainInventory;
         int bestInd = -1;
         double bestSpeed = -1;
@@ -131,8 +131,8 @@ public final class InventoryBehavior extends Behavior {
     }
 
     public boolean selectThrowawayForLocation(boolean select, int x, int y, int z) {
-        IBlockState maybe = baritone.getBuilderProcess().placeAt(x, y, z);
-        if (maybe != null && throwaway(select, stack -> stack.getItem() instanceof ItemBlock && ((ItemBlock) stack.getItem()).getBlock().equals(maybe.getBlock()))) {
+        BlockState maybe = baritone.getBuilderProcess().placeAt(x, y, z);
+        if (maybe != null && throwaway(select, stack -> stack.getItem() instanceof BlockItem && ((BlockItem) stack.getItem()).getBlock().equals(maybe.getBlock()))) {
             return true; // gotem
         }
         for (Item item : Baritone.settings().acceptableThrowawayItems.value) {
@@ -144,7 +144,7 @@ public final class InventoryBehavior extends Behavior {
     }
 
     public boolean throwaway(boolean select, Predicate<? super ItemStack> desired) {
-        EntityPlayerSP p = ctx.player();
+        ClientPlayerEntity p = ctx.player();
         NonNullList<ItemStack> inv = p.inventory.mainInventory;
         for (byte i = 0; i < 9; i++) {
             ItemStack item = inv.get(i);
@@ -168,7 +168,7 @@ public final class InventoryBehavior extends Behavior {
             // so not a shovel, not a hoe, not a block, etc
             for (byte i = 0; i < 9; i++) {
                 ItemStack item = inv.get(i);
-                if (item.isEmpty() || item.getItem() instanceof ItemPickaxe) {
+                if (item.isEmpty() || item.getItem() instanceof PickaxeItem) {
                     if (select) {
                         p.inventory.currentItem = i;
                     }

src/main/java/baritone/behavior/LookBehavior.java

@@ -28,9 +28,6 @@ public final class LookBehavior extends Behavior implements ILookBehavior {
 
     /**
      * Target's values are as follows:
-     * <p>
-     * getFirst() -> yaw
-     * getSecond() -> pitch
      */
     private Rotation target;
 
@@ -53,6 +50,13 @@ public final class LookBehavior extends Behavior implements ILookBehavior {
     @Override
     public void updateTarget(Rotation target, boolean force) {
         this.target = target;
+        if (!force) {
+            double rand = Math.random() - 0.5;
+            if (Math.abs(rand) < 0.1) {
+                rand *= 4;
+            }
+            this.target = new Rotation(this.target.getYaw() + (float) (rand * Baritone.settings().randomLooking.value), this.target.getPitch());
+        }
         this.force = force || !Baritone.settings().freeLook.value;
     }
 

src/main/java/baritone/behavior/MemoryBehavior.java

@@ -20,26 +20,10 @@ package baritone.behavior;
 import baritone.Baritone;
 import baritone.api.cache.Waypoint;
 import baritone.api.event.events.BlockInteractEvent;
-import baritone.api.event.events.PacketEvent;
-import baritone.api.event.events.PlayerUpdateEvent;
-import baritone.api.event.events.TickEvent;
-import baritone.api.event.events.type.EventState;
 import baritone.cache.ContainerMemory;
 import baritone.utils.BlockStateInterface;
-import net.minecraft.block.Block;
-import net.minecraft.block.BlockBed;
-import net.minecraft.init.Blocks;
+import net.minecraft.block.BedBlock;
 import net.minecraft.item.ItemStack;
-import net.minecraft.network.Packet;
-import net.minecraft.network.play.client.CPacketCloseWindow;
-import net.minecraft.network.play.client.CPacketPlayerTryUseItemOnBlock;
-import net.minecraft.network.play.server.SPacketCloseWindow;
-import net.minecraft.network.play.server.SPacketOpenWindow;
-import net.minecraft.tileentity.TileEntity;
-import net.minecraft.tileentity.TileEntityLockable;
-import net.minecraft.util.EnumFacing;
-import net.minecraft.util.math.BlockPos;
-import net.minecraft.util.text.TextComponentTranslation;
 
 import java.io.IOException;
 import java.nio.file.Files;
@@ -54,111 +38,13 @@ import java.util.*;
  */
 public final class MemoryBehavior extends Behavior {
 
-    private final List<FutureInventory> futureInventories = new ArrayList<>(); // this is per-bot
-
-    private Integer enderChestWindowId; // nae nae
-
     public MemoryBehavior(Baritone baritone) {
         super(baritone);
     }
 
-    @Override
-    public synchronized void onTick(TickEvent event) {
-        if (!Baritone.settings().containerMemory.value) {
-            return;
-        }
-        if (event.getType() == TickEvent.Type.OUT) {
-            enderChestWindowId = null;
-            futureInventories.clear();
-        }
-    }
-
-    @Override
-    public synchronized void onPlayerUpdate(PlayerUpdateEvent event) {
-        if (event.getState() == EventState.PRE) {
-            updateInventory();
-        }
-    }
-
-    @Override
-    public synchronized void onSendPacket(PacketEvent event) {
-        if (!Baritone.settings().containerMemory.value) {
-            return;
-        }
-        Packet p = event.getPacket();
-
-        if (event.getState() == EventState.PRE) {
-            if (p instanceof CPacketPlayerTryUseItemOnBlock) {
-                CPacketPlayerTryUseItemOnBlock packet = event.cast();
-
-                TileEntity tileEntity = ctx.world().getTileEntity(packet.getPos());
-                // if tileEntity is an ender chest, we don't need to do anything. ender chests are treated the same regardless of what coordinate right clicked
-
-                // Ensure the TileEntity is a container of some sort
-                if (tileEntity instanceof TileEntityLockable) {
-
-                    TileEntityLockable lockable = (TileEntityLockable) tileEntity;
-                    int size = lockable.getSizeInventory();
-                    BlockPos position = tileEntity.getPos();
-                    BlockPos adj = neighboringConnectedBlock(position);
-                    System.out.println(position + " " + adj);
-                    if (adj != null) {
-                        size *= 2; // double chest or double trapped chest
-                        if (adj.getX() < position.getX() || adj.getZ() < position.getZ()) {
-                            position = adj; // standardize on the lower coordinate, regardless of which side of the large chest we right clicked
-                        }
-                    }
-
-                    this.futureInventories.add(new FutureInventory(System.nanoTime() / 1000000L, size, lockable.getGuiID(), position));
-                }
-            }
-
-            if (p instanceof CPacketCloseWindow) {
-                getCurrent().save();
-            }
-        }
-    }
-
-    @Override
-    public synchronized void onReceivePacket(PacketEvent event) {
-        if (!Baritone.settings().containerMemory.value) {
-            return;
-        }
-        Packet p = event.getPacket();
-
-        if (event.getState() == EventState.PRE) {
-            if (p instanceof SPacketOpenWindow) {
-                SPacketOpenWindow packet = event.cast();
-                // Remove any entries that were created over a second ago, this should make up for INSANE latency
-                futureInventories.removeIf(i -> System.nanoTime() / 1000000L - i.time > 1000);
-
-                System.out.println("Received packet " + packet.getGuiId() + " " + packet.getEntityId() + " " + packet.getSlotCount() + " " + packet.getWindowId());
-                System.out.println(packet.getWindowTitle());
-                if (packet.getWindowTitle() instanceof TextComponentTranslation && ((TextComponentTranslation) packet.getWindowTitle()).getKey().equals("container.enderchest")) {
-                    // title is not customized (i.e. this isn't just a renamed shulker)
-                    enderChestWindowId = packet.getWindowId();
-                    return;
-                }
-                futureInventories.stream()
-                        .filter(i -> i.type.equals(packet.getGuiId()) && i.slots == packet.getSlotCount())
-                        .findFirst().ifPresent(matched -> {
-                    // Remove the future inventory
-                    futureInventories.remove(matched);
-
-                    // Setup the remembered inventory
-                    getCurrentContainer().setup(matched.pos, packet.getWindowId(), packet.getSlotCount());
-                });
-            }
-
-            if (p instanceof SPacketCloseWindow) {
-                getCurrent().save();
-            }
-        }
-    }
-
     @Override
     public void onBlockInteract(BlockInteractEvent event) {
-        if (event.getType() == BlockInteractEvent.Type.USE && BlockStateInterface.getBlock(ctx, event.getPos()) instanceof BlockBed) {
+        if (event.getType() == BlockInteractEvent.Type.USE && BlockStateInterface.getBlock(ctx, event.getPos()) instanceof BedBlock) {
             baritone.getWorldProvider().getCurrentWorld().getWaypoints().addWaypoint(new Waypoint("bed", Waypoint.Tag.BED, event.getPos()));
         }
     }
@@ -168,85 +54,6 @@ public final class MemoryBehavior extends Behavior {
         baritone.getWorldProvider().getCurrentWorld().getWaypoints().addWaypoint(new Waypoint("death", Waypoint.Tag.DEATH, ctx.playerFeet()));
     }
 
-
-    private void updateInventory() {
-        if (!Baritone.settings().containerMemory.value) {
-            return;
-        }
-        int windowId = ctx.player().openContainer.windowId;
-        if (enderChestWindowId != null) {
-            if (windowId == enderChestWindowId) {
-                getCurrent().contents = ctx.player().openContainer.getInventory().subList(0, 27);
-            } else {
-                getCurrent().save();
-                enderChestWindowId = null;
-            }
-        }
-        if (getCurrentContainer() != null) {
-            getCurrentContainer().getInventoryFromWindow(windowId).ifPresent(inventory -> inventory.updateFromOpenWindow(ctx));
-        }
-    }
-
-    private ContainerMemory getCurrentContainer() {
-        if (baritone.getWorldProvider().getCurrentWorld() == null) {
-            return null;
-        }
-        return (ContainerMemory) baritone.getWorldProvider().getCurrentWorld().getContainerMemory();
-    }
-
-    private BlockPos neighboringConnectedBlock(BlockPos in) {
-        BlockStateInterface bsi = baritone.bsi;
-        Block block = bsi.get0(in).getBlock();
-        if (block != Blocks.TRAPPED_CHEST && block != Blocks.CHEST) {
-            return null; // other things that have contents, but can be placed adjacent without combining
-        }
-        for (int i = 0; i < 4; i++) {
-            BlockPos adj = in.offset(EnumFacing.byHorizontalIndex(i));
-            if (bsi.get0(adj).getBlock() == block) {
-                return adj;
-            }
-        }
-        return null;
-    }
-
-    /**
-     * An inventory that we are not yet fully aware of, but are expecting to exist at some point in the future.
-     */
-    private static final class FutureInventory {
-
-        /**
-         * The time that we initially expected the inventory to be provided, in milliseconds
-         */
-        private final long time;
-
-        /**
-         * The amount of slots in the inventory
-         */
-        private final int slots;
-
-        /**
-         * The type of inventory
-         */
-        private final String type;
-
-        /**
-         * The position of the inventory container
-         */
-        private final BlockPos pos;
-
-        private FutureInventory(long time, int slots, String type, BlockPos pos) {
-            this.time = time;
-            this.slots = slots;
-            this.type = type;
-            this.pos = pos;
-            System.out.println("Future inventory created " + time + " " + slots + " " + type + " " + pos);
-        }
-    }
-
-    public Optional<List<ItemStack>> echest() {
-        return Optional.ofNullable(getCurrent().contents).map(Collections::unmodifiableList);
-    }
-
     public EnderChestMemory getCurrent() {
         Path path = baritone.getWorldProvider().getCurrentWorld().directory;
         return EnderChestMemory.getByServerAndPlayer(path.getParent(), ctx.player().getUniqueID());

src/main/java/baritone/cache/CachedChunk.java

@@ -22,8 +22,8 @@ import baritone.utils.pathing.PathingBlockType;
 import com.google.common.collect.ImmutableSet;
 import it.unimi.dsi.fastutil.ints.Int2ObjectOpenHashMap;
 import net.minecraft.block.Block;
-import net.minecraft.block.state.IBlockState;
-import net.minecraft.init.Blocks;
+import net.minecraft.block.BlockState;
+import net.minecraft.block.Blocks;
 import net.minecraft.util.math.BlockPos;
 
 import java.util.ArrayList;
@@ -38,23 +38,13 @@ import java.util.Map;
 public final class CachedChunk {
 
     public static final ImmutableSet<Block> BLOCKS_TO_KEEP_TRACK_OF = ImmutableSet.of(
-            Blocks.DIAMOND_BLOCK,
-            //Blocks.COAL_ORE,
-            Blocks.COAL_BLOCK,
-            //Blocks.IRON_ORE,
-            Blocks.IRON_BLOCK,
-            //Blocks.GOLD_ORE,
-            Blocks.GOLD_BLOCK,
-            Blocks.EMERALD_ORE,
-            Blocks.EMERALD_BLOCK,
-
             Blocks.ENDER_CHEST,
             Blocks.FURNACE,
             Blocks.CHEST,
             Blocks.TRAPPED_CHEST,
             Blocks.END_PORTAL,
             Blocks.END_PORTAL_FRAME,
-            Blocks.MOB_SPAWNER,
+            Blocks.SPAWNER,
             Blocks.BARRIER,
             Blocks.OBSERVER,
             Blocks.WHITE_SHULKER_BOX,
@@ -65,7 +55,7 @@ public final class CachedChunk {
             Blocks.LIME_SHULKER_BOX,
             Blocks.PINK_SHULKER_BOX,
             Blocks.GRAY_SHULKER_BOX,
-            Blocks.SILVER_SHULKER_BOX,
+            Blocks.LIGHT_GRAY_SHULKER_BOX,
             Blocks.CYAN_SHULKER_BOX,
             Blocks.PURPLE_SHULKER_BOX,
             Blocks.BLUE_SHULKER_BOX,
@@ -73,25 +63,52 @@ public final class CachedChunk {
             Blocks.GREEN_SHULKER_BOX,
             Blocks.RED_SHULKER_BOX,
             Blocks.BLACK_SHULKER_BOX,
-            Blocks.PORTAL,
+            Blocks.NETHER_PORTAL,
             Blocks.HOPPER,
             Blocks.BEACON,
             Blocks.BREWING_STAND,
-            Blocks.SKULL,
+
+// TODO: Maybe add a predicate for blocks to keep track of?
+// This should really not need to happen
+            Blocks.CREEPER_HEAD,
+            Blocks.CREEPER_WALL_HEAD,
+            Blocks.DRAGON_HEAD,
+            Blocks.DRAGON_WALL_HEAD,
+            Blocks.PLAYER_HEAD,
+            Blocks.PLAYER_WALL_HEAD,
+            Blocks.ZOMBIE_HEAD,
+            Blocks.ZOMBIE_WALL_HEAD,
+            Blocks.SKELETON_SKULL,
+            Blocks.SKELETON_WALL_SKULL,
+            Blocks.WITHER_SKELETON_SKULL,
+            Blocks.WITHER_SKELETON_WALL_SKULL,
             Blocks.ENCHANTING_TABLE,
             Blocks.ANVIL,
-            Blocks.LIT_FURNACE,
-            Blocks.BED,
+            Blocks.WHITE_BED,
+            Blocks.ORANGE_BED,
+            Blocks.MAGENTA_BED,
+            Blocks.LIGHT_BLUE_BED,
+            Blocks.YELLOW_BED,
+            Blocks.LIME_BED,
+            Blocks.PINK_BED,
+            Blocks.GRAY_BED,
+            Blocks.LIGHT_GRAY_BED,
+            Blocks.CYAN_BED,
+            Blocks.PURPLE_BED,
+            Blocks.BLUE_BED,
+            Blocks.BROWN_BED,
+            Blocks.GREEN_BED,
+            Blocks.RED_BED,
+            Blocks.BLACK_BED,
             Blocks.DRAGON_EGG,
             Blocks.JUKEBOX,
             Blocks.END_GATEWAY,
-            Blocks.WEB,
+            Blocks.COBWEB,
             Blocks.NETHER_WART,
             Blocks.LADDER,
             Blocks.VINE
     );
 
-
     /**
      * The size of the chunk data in bits. Equal to 16 KiB.
      * <p>
@@ -126,7 +143,7 @@ public final class CachedChunk {
     /**
      * The block names of each surface level block for generating an overview
      */
-    private final IBlockState[] overview;
+    private final BlockState[] overview;
 
     private final int[] heightMap;
 
@@ -134,7 +151,7 @@ public final class CachedChunk {
 
     public final long cacheTimestamp;
 
-    CachedChunk(int x, int z, BitSet data, IBlockState[] overview, Map<String, List<BlockPos>> specialBlockLocations, long cacheTimestamp) {
+    CachedChunk(int x, int z, BitSet data, BlockState[] overview, Map<String, List<BlockPos>> specialBlockLocations, long cacheTimestamp) {
         validateSize(data);
 
         this.x = x;
@@ -161,7 +178,7 @@ public final class CachedChunk {
         }
     }
 
-    public final IBlockState getBlock(int x, int y, int z, int dimension) {
+    public final BlockState getBlock(int x, int y, int z, int dimension) {
         int index = getPositionIndex(x, y, z);
         PathingBlockType type = getType(index);
         int internalPos = z << 4 | x;
@@ -170,8 +187,8 @@ public final class CachedChunk {
 
             // we have this exact block, it's a surface block
             /*System.out.println("Saying that " + x + "," + y + "," + z + " is " + state);
-            if (!Minecraft.getMinecraft().world.getBlockState(new BlockPos(x + this.x * 16, y, z + this.z * 16)).getBlock().equals(state.getBlock())) {
-                throw new IllegalStateException("failed " + Minecraft.getMinecraft().world.getBlockState(new BlockPos(x + this.x * 16, y, z + this.z * 16)).getBlock() + " " + state.getBlock() + " " + (x + this.x * 16) + " " + y + " " + (z + this.z * 16));
+            if (!Minecraft.getInstance().world.getBlockState(new BlockPos(x + this.x * 16, y, z + this.z * 16)).getBlock().equals(state.getBlock())) {
+                throw new IllegalStateException("failed " + Minecraft.getInstance().world.getBlockState(new BlockPos(x + this.x * 16, y, z + this.z * 16)).getBlock() + " " + state.getBlock() + " " + (x + this.x * 16) + " " + y + " " + (z + this.z * 16));
             }*/
             return overview[internalPos];
         }
@@ -217,7 +234,7 @@ public final class CachedChunk {
         }
     }
 
-    public final IBlockState[] getOverview() {
+    public final BlockState[] getOverview() {
         return overview;
     }
 

src/main/java/baritone/cache/CachedRegion.java

@@ -20,7 +20,7 @@ package baritone.cache;
 import baritone.Baritone;
 import baritone.api.cache.ICachedRegion;
 import baritone.api.utils.BlockUtils;
-import net.minecraft.block.state.IBlockState;
+import net.minecraft.block.BlockState;
 import net.minecraft.util.math.BlockPos;
 
 import java.io.*;
@@ -75,7 +75,7 @@ public final class CachedRegion implements ICachedRegion {
     }
 
     @Override
-    public final IBlockState getBlock(int x, int y, int z) {
+    public final BlockState getBlock(int x, int y, int z) {
         CachedChunk chunk = chunks[x >> 4][z >> 4];
         if (chunk != null) {
             return chunk.getBlock(x & 15, y, z & 15, dimension);
@@ -216,7 +216,7 @@ public final class CachedRegion implements ICachedRegion {
                 boolean[][] present = new boolean[32][32];
                 BitSet[][] bitSets = new BitSet[32][32];
                 Map<String, List<BlockPos>>[][] location = new Map[32][32];
-                IBlockState[][][] overview = new IBlockState[32][32][];
+                BlockState[][][] overview = new BlockState[32][32][];
                 long[][] cacheTimestamp = new long[32][32];
                 for (int x = 0; x < 32; x++) {
                     for (int z = 0; z < 32; z++) {
@@ -227,7 +227,7 @@ public final class CachedRegion implements ICachedRegion {
                                 in.readFully(bytes);
                                 bitSets[x][z] = BitSet.valueOf(bytes);
                                 location[x][z] = new HashMap<>();
-                                overview[x][z] = new IBlockState[256];
+                                overview[x][z] = new BlockState[256];
                                 present[x][z] = true;
                                 break;
                             case CHUNK_NOT_PRESENT:

src/main/java/baritone/cache/ChunkPacker.java

@@ -21,15 +21,16 @@ import baritone.api.utils.BlockUtils;
 import baritone.pathing.movement.MovementHelper;
 import baritone.utils.pathing.PathingBlockType;
 import net.minecraft.block.*;
-import net.minecraft.block.state.IBlockState;
-import net.minecraft.init.Blocks;
 import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.Vec3d;
 import net.minecraft.world.chunk.BlockStateContainer;
 import net.minecraft.world.chunk.Chunk;
-import net.minecraft.world.chunk.storage.ExtendedBlockStorage;
+import net.minecraft.world.chunk.ChunkSection;
 
 import java.util.*;
 
+import static baritone.utils.BlockStateInterface.getFromChunk;
+
 /**
  * @author Brady
  * @since 8/3/2018
@@ -44,9 +45,9 @@ public final class ChunkPacker {
         Map<String, List<BlockPos>> specialBlocks = new HashMap<>();
         BitSet bitSet = new BitSet(CachedChunk.SIZE);
         try {
-            ExtendedBlockStorage[] chunkInternalStorageArray = chunk.getBlockStorageArray();
+            ChunkSection[] chunkInternalStorageArray = chunk.getSections();
             for (int y0 = 0; y0 < 16; y0++) {
-                ExtendedBlockStorage extendedblockstorage = chunkInternalStorageArray[y0];
+                ChunkSection extendedblockstorage = chunkInternalStorageArray[y0];
                 if (extendedblockstorage == null) {
                     // any 16x16x16 area that's all air will have null storage
                     // for example, in an ocean biome, with air from y=64 to y=256
@@ -58,7 +59,7 @@ public final class ChunkPacker {
                     // since a bitset is initialized to all zero, and air is saved as zeros
                     continue;
                 }
-                BlockStateContainer bsc = extendedblockstorage.getData();
+                BlockStateContainer<BlockState> bsc = extendedblockstorage.getData();
                 int yReal = y0 << 4;
                 // the mapping of BlockStateContainer.getIndex from xyz to index is y << 8 | z << 4 | x;
                 // for better cache locality, iterate in that order
@@ -67,7 +68,7 @@ public final class ChunkPacker {
                     for (int z = 0; z < 16; z++) {
                         for (int x = 0; x < 16; x++) {
                             int index = CachedChunk.getPositionIndex(x, y, z);
-                            IBlockState state = bsc.get(x, y1, z);
+                            BlockState state = bsc.get(x, y1, z);
                             boolean[] bits = getPathingBlockType(state, chunk, x, y, z).getBits();
                             bitSet.set(index, bits[0]);
                             bitSet.set(index + 1, bits[1]);
@@ -85,43 +86,44 @@ public final class ChunkPacker {
         }
         //long end = System.nanoTime() / 1000000L;
         //System.out.println("Chunk packing took " + (end - start) + "ms for " + chunk.x + "," + chunk.z);
-        IBlockState[] blocks = new IBlockState[256];
+        BlockState[] blocks = new BlockState[256];
 
         for (int z = 0; z < 16; z++) {
-            https://www.ibm.com/developerworks/library/j-perry-writing-good-java-code/index.html
+            https:
+//www.ibm.com/developerworks/library/j-perry-writing-good-java-code/index.html
             for (int x = 0; x < 16; x++) {
                 for (int y = 255; y >= 0; y--) {
                     int index = CachedChunk.getPositionIndex(x, y, z);
                     if (bitSet.get(index) || bitSet.get(index + 1)) {
-                        blocks[z << 4 | x] = chunk.getBlockState(x, y, z);
+                        blocks[z << 4 | x] = getFromChunk(chunk, x, y, z);
                         continue https;
                     }
                 }
                 blocks[z << 4 | x] = Blocks.AIR.getDefaultState();
             }
         }
-        return new CachedChunk(chunk.x, chunk.z, bitSet, blocks, specialBlocks, System.currentTimeMillis());
+        return new CachedChunk(chunk.getPos().x, chunk.getPos().z, bitSet, blocks, specialBlocks, System.currentTimeMillis());
     }
 
-
-    private static PathingBlockType getPathingBlockType(IBlockState state, Chunk chunk, int x, int y, int z) {
+    private static PathingBlockType getPathingBlockType(BlockState state, Chunk chunk, int x, int y, int z) {
         Block block = state.getBlock();
-        if (block == Blocks.WATER || block == Blocks.FLOWING_WATER) {
+        if (MovementHelper.isWater(state)) {
             // only water source blocks are plausibly usable, flowing water should be avoid
             // FLOWING_WATER is a waterfall, it doesn't really matter and caching it as AVOID just makes it look wrong
             if (MovementHelper.possiblyFlowing(state)) {
                 return PathingBlockType.AVOID;
             }
             if (
-                    (x != 15 && MovementHelper.possiblyFlowing(chunk.getBlockState(x + 1, y, z)))
-                            || (x != 0 && MovementHelper.possiblyFlowing(chunk.getBlockState(x - 1, y, z)))
-                            || (z != 15 && MovementHelper.possiblyFlowing(chunk.getBlockState(x, y, z + 1)))
-                            || (z != 0 && MovementHelper.possiblyFlowing(chunk.getBlockState(x, y, z - 1)))
+                    (x != 15 && MovementHelper.possiblyFlowing(getFromChunk(chunk, x + 1, y, z)))
+                            || (x != 0 && MovementHelper.possiblyFlowing(getFromChunk(chunk, x - 1, y, z)))
+                            || (z != 15 && MovementHelper.possiblyFlowing(getFromChunk(chunk, x, y, z + 1)))
+                            || (z != 0 && MovementHelper.possiblyFlowing(getFromChunk(chunk, x, y, z - 1)))
             ) {
                 return PathingBlockType.AVOID;
             }
             if (x == 0 || x == 15 || z == 0 || z == 15) {
-                if (BlockLiquid.getSlopeAngle(chunk.getWorld(), new BlockPos(x + chunk.x << 4, y, z + chunk.z << 4), state.getMaterial(), state) == -1000.0F) {
+                Vec3d flow = state.getFluidState().getFlow(chunk.getWorld(), new BlockPos(x + chunk.getPos().x << 4, y, z + chunk.getPos().z << 4));
+                if (flow.x != 0.0 || flow.z != 0.0) {
                     return PathingBlockType.WATER;
                 }
                 return PathingBlockType.AVOID;
@@ -129,21 +131,21 @@ public final class ChunkPacker {
             return PathingBlockType.WATER;
         }
 
-        if (MovementHelper.avoidWalkingInto(block) || MovementHelper.isBottomSlab(state)) {
+        if (MovementHelper.avoidWalkingInto(state) || MovementHelper.isBottomSlab(state)) {
             return PathingBlockType.AVOID;
         }
         // We used to do an AABB check here
         // however, this failed in the nether when you were near a nether fortress
         // because fences check their adjacent blocks in the world for their fence connection status to determine AABB shape
         // this caused a nullpointerexception when we saved chunks on unload, because they were unable to check their neighbors
-        if (block == Blocks.AIR || block instanceof BlockTallGrass || block instanceof BlockDoublePlant || block instanceof BlockFlower) {
+        if (block instanceof AirBlock || block instanceof TallGrassBlock || block instanceof DoublePlantBlock || block instanceof FlowerBlock) {
             return PathingBlockType.AIR;
         }
 
         return PathingBlockType.SOLID;
     }
 
-    public static IBlockState pathingTypeToBlock(PathingBlockType type, int dimension) {
+    public static BlockState pathingTypeToBlock(PathingBlockType type, int dimension) {
         switch (type) {
             case AIR:
                 return Blocks.AIR.getDefaultState();

src/main/java/baritone/cache/WorldProvider.java

@@ -20,10 +20,9 @@ package baritone.cache;
 import baritone.Baritone;
 import baritone.api.cache.IWorldProvider;
 import baritone.api.utils.Helper;
-import baritone.utils.accessor.IAnvilChunkLoader;
-import baritone.utils.accessor.IChunkProviderServer;
 import net.minecraft.server.integrated.IntegratedServer;
-import net.minecraft.world.WorldServer;
+import net.minecraft.world.dimension.DimensionType;
+import net.minecraft.world.server.ServerWorld;
 import org.apache.commons.lang3.SystemUtils;
 
 import java.io.File;
@@ -55,7 +54,7 @@ public class WorldProvider implements IWorldProvider, Helper {
      *
      * @param dimension The ID of the world's dimension
      */
-    public final void initWorld(int dimension) {
+    public final void initWorld(DimensionType dimension) {
         File directory;
         File readme;
 
@@ -63,10 +62,8 @@ public class WorldProvider implements IWorldProvider, Helper {
 
         // If there is an integrated server running (Aka Singleplayer) then do magic to find the world save file
         if (mc.isSingleplayer()) {
-            WorldServer localServerWorld = integratedServer.getWorld(dimension);
-            IChunkProviderServer provider = (IChunkProviderServer) localServerWorld.getChunkProvider();
-            IAnvilChunkLoader loader = (IAnvilChunkLoader) provider.getChunkLoader();
-            directory = loader.getChunkSaveLocation();
+            ServerWorld localServerWorld = integratedServer.getWorld(dimension);
+            directory = dimension.getDirectory(localServerWorld.getSaveHandler().getWorldDirectory());
 
             // Gets the "depth" of this directory relative the the game's run directory, 2 is the location of the world
             if (directory.toPath().relativize(mc.gameDir.toPath()).getNameCount() != 2) {
@@ -77,7 +74,7 @@ public class WorldProvider implements IWorldProvider, Helper {
             directory = new File(directory, "baritone");
             readme = directory;
         } else { // Otherwise, the server must be remote...
-            String folderName = mc.getCurrentServerData().serverIP;
+            String folderName = mc.isConnectedToRealms() ? "realms" : mc.getCurrentServerData().serverIP;
             if (SystemUtils.IS_OS_WINDOWS) {
                 folderName = folderName.replace(":", "_");
             }
@@ -92,7 +89,7 @@ public class WorldProvider implements IWorldProvider, Helper {
         } catch (IOException ignored) {}
 
         // We will actually store the world data in a subfolder: "DIM<id>"
-        Path dir = new File(directory, "DIM" + dimension).toPath();
+        Path dir = new File(directory, "DIM" + dimension.getId()).toPath();
         if (!Files.exists(dir)) {
             try {
                 Files.createDirectories(dir);
@@ -101,7 +98,7 @@ public class WorldProvider implements IWorldProvider, Helper {
 
         System.out.println("Baritone world data dir: " + dir);
         synchronized (worldCache) {
-            this.currentWorld = worldCache.computeIfAbsent(dir, d -> new WorldData(d, dimension));
+            this.currentWorld = worldCache.computeIfAbsent(dir, d -> new WorldData(d, dimension.getId()));
         }
     }
 

src/main/java/baritone/cache/WorldScanner.java

@@ -20,13 +20,13 @@ package baritone.cache;
 import baritone.api.cache.IWorldScanner;
 import baritone.api.utils.IPlayerContext;
 import net.minecraft.block.Block;
-import net.minecraft.block.state.IBlockState;
-import net.minecraft.client.multiplayer.ChunkProviderClient;
+import net.minecraft.block.BlockState;
+import net.minecraft.client.multiplayer.ClientChunkProvider;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.util.math.ChunkPos;
 import net.minecraft.world.chunk.BlockStateContainer;
 import net.minecraft.world.chunk.Chunk;
-import net.minecraft.world.chunk.storage.ExtendedBlockStorage;
+import net.minecraft.world.chunk.ChunkSection;
 
 import java.util.*;
 import java.util.stream.IntStream;
@@ -46,7 +46,7 @@ public enum WorldScanner implements IWorldScanner {
         if (blocks.isEmpty()) {
             return res;
         }
-        ChunkProviderClient chunkProvider = (ChunkProviderClient) ctx.world().getChunkProvider();
+        ClientChunkProvider chunkProvider = (ClientChunkProvider) ctx.world().getChunkProvider();
 
         int maxSearchRadiusSq = maxSearchRadius * maxSearchRadius;
         int playerChunkX = ctx.playerFeet().getX() >> 4;
@@ -70,7 +70,7 @@ public enum WorldScanner implements IWorldScanner {
                     foundChunks = true;
                     int chunkX = xoff + playerChunkX;
                     int chunkZ = zoff + playerChunkZ;
-                    Chunk chunk = chunkProvider.getLoadedChunk(chunkX, chunkZ);
+                    Chunk chunk = chunkProvider.getChunk(chunkX, chunkZ, null, false);
                     if (chunk == null) {
                         continue;
                     }
@@ -96,8 +96,8 @@ public enum WorldScanner implements IWorldScanner {
             return Collections.emptyList();
         }
 
-        ChunkProviderClient chunkProvider = (ChunkProviderClient) ctx.world().getChunkProvider();
-        Chunk chunk = chunkProvider.getLoadedChunk(pos.x, pos.z);
+        ClientChunkProvider chunkProvider = (ClientChunkProvider) ctx.world().getChunkProvider();
+        Chunk chunk = chunkProvider.getChunk(pos.x, pos.z, null, false);
         int playerY = ctx.playerFeet().getY();
 
         if (chunk == null || chunk.isEmpty()) {
@@ -110,22 +110,22 @@ public enum WorldScanner implements IWorldScanner {
     }
 
     private boolean scanChunkInto(int chunkX, int chunkZ, Chunk chunk, List<Block> search, Collection<BlockPos> result, int max, int yLevelThreshold, int playerY, int[] coordinateIterationOrder) {
-        ExtendedBlockStorage[] chunkInternalStorageArray = chunk.getBlockStorageArray();
+        ChunkSection[] chunkInternalStorageArray = chunk.getSections();
         boolean foundWithinY = false;
         for (int yIndex = 0; yIndex < 16; yIndex++) {
             int y0 = coordinateIterationOrder[yIndex];
-            ExtendedBlockStorage extendedblockstorage = chunkInternalStorageArray[y0];
-            if (extendedblockstorage == null) {
+            ChunkSection section = chunkInternalStorageArray[y0];
+            if (section == null || ChunkSection.isEmpty(section)) {
                 continue;
             }
             int yReal = y0 << 4;
-            BlockStateContainer bsc = extendedblockstorage.getData();
+            BlockStateContainer<BlockState> bsc = section.getData();
             // the mapping of BlockStateContainer.getIndex from xyz to index is y << 8 | z << 4 | x;
             // for better cache locality, iterate in that order
             for (int y = 0; y < 16; y++) {
                 for (int z = 0; z < 16; z++) {
                     for (int x = 0; x < 16; x++) {
-                        IBlockState state = bsc.get(x, y, z);
+                        BlockState state = bsc.get(x, y, z);
                         if (search.contains(state.getBlock())) {
                             int yy = yReal | y;
                             if (result.size() >= max) {

src/main/java/baritone/event/GameEventHandler.java

@@ -51,6 +51,7 @@ public final class GameEventHandler implements IEventBus, Helper {
             try {
                 baritone.bsi = new BlockStateInterface(baritone.getPlayerContext(), true);
             } catch (Exception ex) {
+                ex.printStackTrace();
                 baritone.bsi = null;
             }
         } else {
@@ -84,7 +85,7 @@ public final class GameEventHandler implements IEventBus, Helper {
         // to make sure the chunk being unloaded is already loaded.
         boolean isPreUnload = state == EventState.PRE
                 && type == ChunkEvent.Type.UNLOAD
-                && world.getChunkProvider().isChunkGeneratedAt(event.getX(), event.getZ());
+                && world.getChunkProvider().getChunk(event.getX(), event.getZ(), null, false) != null;
 
         if (isPostPopulate || isPreUnload) {
             baritone.getWorldProvider().ifWorldLoaded(worldData -> {
@@ -109,7 +110,7 @@ public final class GameEventHandler implements IEventBus, Helper {
         if (event.getState() == EventState.POST) {
             cache.closeWorld();
             if (event.getWorld() != null) {
-                cache.initWorld(event.getWorld().provider.getDimensionType().getId());
+                cache.initWorld(event.getWorld().getDimension().getType());
             }
         }
 

src/main/java/baritone/pathing/movement/CalculationContext.java

@@ -25,12 +25,12 @@ import baritone.utils.BlockStateInterface;
 import baritone.utils.ToolSet;
 import baritone.utils.pathing.BetterWorldBorder;
 import net.minecraft.block.Block;
-import net.minecraft.block.state.IBlockState;
-import net.minecraft.client.entity.EntityPlayerSP;
+import net.minecraft.block.BlockState;
+import net.minecraft.client.entity.player.ClientPlayerEntity;
 import net.minecraft.enchantment.EnchantmentHelper;
-import net.minecraft.entity.player.InventoryPlayer;
-import net.minecraft.init.Items;
+import net.minecraft.entity.player.PlayerInventory;
 import net.minecraft.item.ItemStack;
+import net.minecraft.item.Items;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.world.World;
 
@@ -78,13 +78,13 @@ public class CalculationContext {
     public CalculationContext(IBaritone baritone, boolean forUseOnAnotherThread) {
         this.safeForThreadedUse = forUseOnAnotherThread;
         this.baritone = baritone;
-        EntityPlayerSP player = baritone.getPlayerContext().player();
+        ClientPlayerEntity player = baritone.getPlayerContext().player();
         this.world = baritone.getPlayerContext().world();
         this.worldData = (WorldData) baritone.getWorldProvider().getCurrentWorld();
         this.bsi = new BlockStateInterface(world, worldData, forUseOnAnotherThread);
         this.toolSet = new ToolSet(player);
         this.hasThrowaway = Baritone.settings().allowPlace.value && ((Baritone) baritone).getInventoryBehavior().hasGenericThrowaway();
-        this.hasWaterBucket = Baritone.settings().allowWaterBucketFall.value && InventoryPlayer.isHotbar(player.inventory.getSlotFor(STACK_BUCKET_WATER)) && !world.provider.isNether();
+        this.hasWaterBucket = Baritone.settings().allowWaterBucketFall.value && PlayerInventory.isHotbar(player.inventory.getSlotFor(STACK_BUCKET_WATER)) && !world.getDimension().isNether();
         this.canSprint = Baritone.settings().allowSprint.value && player.getFoodStats().getFoodLevel() > 6;
         this.placeBlockCost = Baritone.settings().blockPlacementPenalty.value;
         this.allowBreak = Baritone.settings().allowBreak.value;
@@ -117,7 +117,7 @@ public class CalculationContext {
         return baritone;
     }
 
-    public IBlockState get(int x, int y, int z) {
+    public BlockState get(int x, int y, int z) {
         return bsi.get0(x, y, z); // laughs maniacally
     }
 
@@ -125,7 +125,7 @@ public class CalculationContext {
         return bsi.isLoaded(x, z);
     }
 
-    public IBlockState get(BlockPos pos) {
+    public BlockState get(BlockPos pos) {
         return get(pos.getX(), pos.getY(), pos.getZ());
     }
 

src/main/java/baritone/pathing/movement/Movement.java

@@ -25,9 +25,8 @@ import baritone.api.utils.*;
 import baritone.api.utils.input.Input;
 import baritone.behavior.PathingBehavior;
 import baritone.utils.BlockStateInterface;
-import net.minecraft.block.BlockLiquid;
-import net.minecraft.entity.item.EntityFallingBlock;
-import net.minecraft.util.EnumFacing;
+import net.minecraft.entity.item.FallingBlockEntity;
+import net.minecraft.util.Direction;
 import net.minecraft.util.math.AxisAlignedBB;
 import net.minecraft.util.math.BlockPos;
 
@@ -35,7 +34,7 @@ import java.util.*;
 
 public abstract class Movement implements IMovement, MovementHelper {
 
-    public static final EnumFacing[] HORIZONTALS_BUT_ALSO_DOWN_____SO_EVERY_DIRECTION_EXCEPT_UP = {EnumFacing.NORTH, EnumFacing.SOUTH, EnumFacing.EAST, EnumFacing.WEST, EnumFacing.DOWN};
+    public static final Direction[] HORIZONTALS_BUT_ALSO_DOWN_____SO_EVERY_DIRECTION_EXCEPT_UP = {Direction.NORTH, Direction.SOUTH, Direction.EAST, Direction.WEST, Direction.DOWN};
 
     protected final IBaritone baritone;
     protected final IPlayerContext ctx;
@@ -123,7 +122,7 @@ public abstract class Movement implements IMovement, MovementHelper {
      */
     @Override
     public MovementStatus update() {
-        ctx.player().capabilities.isFlying = false;
+        ctx.player().abilities.isFlying = false;
         currentState = updateState(currentState);
         if (MovementHelper.isLiquid(ctx, ctx.playerFeet())) {
             currentState.setInput(Input.JUMP, true);
@@ -158,10 +157,10 @@ public abstract class Movement implements IMovement, MovementHelper {
         }
         boolean somethingInTheWay = false;
         for (BetterBlockPos blockPos : positionsToBreak) {
-            if (!ctx.world().getEntitiesWithinAABB(EntityFallingBlock.class, new AxisAlignedBB(0, 0, 0, 1, 1.1, 1).offset(blockPos)).isEmpty() && Baritone.settings().pauseMiningForFallingBlocks.value) {
+            if (!ctx.world().getEntitiesWithinAABB(FallingBlockEntity.class, new AxisAlignedBB(0, 0, 0, 1, 1.1, 1).offset(blockPos)).isEmpty() && Baritone.settings().pauseMiningForFallingBlocks.value) {
                 return false;
             }
-            if (!MovementHelper.canWalkThrough(ctx, blockPos) && !(BlockStateInterface.getBlock(ctx, blockPos) instanceof BlockLiquid)) { // can't break liquid, so don't try
+            if (!MovementHelper.canWalkThrough(ctx, blockPos)) { // can't break air, so don't try
                 somethingInTheWay = true;
                 MovementHelper.switchToBestToolFor(ctx, BlockStateInterface.get(ctx, blockPos));
                 Optional<Rotation> reachable = RotationUtils.reachable(ctx.player(), blockPos, ctx.playerController().getBlockReachDistance());
@@ -177,7 +176,7 @@ public abstract class Movement implements IMovement, MovementHelper {
                 //i'm doing it anyway
                 //i dont care if theres snow in the way!!!!!!!
                 //you dont own me!!!!
-                state.setTarget(new MovementState.MovementTarget(RotationUtils.calcRotationFromVec3d(ctx.player().getPositionEyes(1.0F),
+                state.setTarget(new MovementState.MovementTarget(RotationUtils.calcRotationFromVec3d(ctx.player().getEyePosition(1.0F),
                         VecUtils.getBlockPosCenter(blockPos), ctx.playerRotations()), true)
                 );
                 // don't check selectedblock on this one, this is a fallback when we can't see any face directly, it's intended to be breaking the "incorrect" block

src/main/java/baritone/pathing/movement/MovementHelper.java

@@ -27,11 +27,13 @@ import baritone.pathing.movement.MovementState.MovementTarget;
 import baritone.utils.BlockStateInterface;
 import baritone.utils.ToolSet;
 import net.minecraft.block.*;
-import net.minecraft.block.properties.PropertyBool;
-import net.minecraft.block.state.IBlockState;
-import net.minecraft.init.Blocks;
-import net.minecraft.util.EnumFacing;
+import net.minecraft.fluid.*;
+import net.minecraft.pathfinding.PathType;
+import net.minecraft.state.BooleanProperty;
+import net.minecraft.state.properties.SlabType;
+import net.minecraft.util.Direction;
 import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.BlockRayTraceResult;
 import net.minecraft.util.math.RayTraceResult;
 import net.minecraft.util.math.Vec3d;
 
@@ -46,10 +48,10 @@ import static baritone.pathing.movement.Movement.HORIZONTALS_BUT_ALSO_DOWN_____S
  */
 public interface MovementHelper extends ActionCosts, Helper {
 
-    static boolean avoidBreaking(BlockStateInterface bsi, int x, int y, int z, IBlockState state) {
+    static boolean avoidBreaking(BlockStateInterface bsi, int x, int y, int z, BlockState state) {
         Block b = state.getBlock();
         return b == Blocks.ICE // ice becomes water, and water can mess up the path
-                || b instanceof BlockSilverfish // obvious reasons
+                || b instanceof SilverfishBlock // obvious reasons
                 // call context.get directly with x,y,z. no need to make 5 new BlockPos for no reason
                 || avoidAdjacentBreaking(bsi, x, y + 1, z, true)
                 || avoidAdjacentBreaking(bsi, x + 1, y, z, false)
@@ -62,16 +64,16 @@ public interface MovementHelper extends ActionCosts, Helper {
         // returns true if you should avoid breaking a block that's adjacent to this one (e.g. lava that will start flowing if you give it a path)
         // this is only called for north, south, east, west, and up. this is NOT called for down.
         // we assume that it's ALWAYS okay to break the block thats ABOVE liquid
-        IBlockState state = bsi.get0(x, y, z);
+        BlockState state = bsi.get0(x, y, z);
         Block block = state.getBlock();
         if (!directlyAbove // it is fine to mine a block that has a falling block directly above, this (the cost of breaking the stacked fallings) is included in cost calculations
                 // therefore if directlyAbove is true, we will actually ignore if this is falling
-                && block instanceof BlockFalling // obviously, this check is only valid for falling blocks
+                && block instanceof FallingBlock // obviously, this check is only valid for falling blocks
                 && Baritone.settings().avoidUpdatingFallingBlocks.value // and if the setting is enabled
-                && BlockFalling.canFallThrough(bsi.get0(x, y - 1, z))) { // and if it would fall (i.e. it's unsupported)
+                && FallingBlock.canFallThrough(bsi.get0(x, y - 1, z))) { // and if it would fall (i.e. it's unsupported)
             return true; // dont break a block that is adjacent to unsupported gravel because it can cause really weird stuff
         }
-        return block instanceof BlockLiquid;
+        return !state.getFluidState().isEmpty();
     }
 
     static boolean canWalkThrough(IPlayerContext ctx, BetterBlockPos pos) {
@@ -82,27 +84,27 @@ public interface MovementHelper extends ActionCosts, Helper {
         return canWalkThrough(bsi, x, y, z, bsi.get0(x, y, z));
     }
 
-    static boolean canWalkThrough(BlockStateInterface bsi, int x, int y, int z, IBlockState state) {
+    static boolean canWalkThrough(BlockStateInterface bsi, int x, int y, int z, BlockState state) {
         Block block = state.getBlock();
-        if (block == Blocks.AIR) { // early return for most common case
+        if (block instanceof AirBlock) { // early return for most common case
             return true;
         }
-        if (block == Blocks.FIRE || block == Blocks.TRIPWIRE || block == Blocks.WEB || block == Blocks.END_PORTAL || block == Blocks.COCOA || block instanceof BlockSkull || block instanceof BlockTrapDoor) {
+        if (block == Blocks.FIRE || block == Blocks.TRIPWIRE || block == Blocks.COBWEB || block == Blocks.END_PORTAL || block == Blocks.COCOA || block instanceof AbstractSkullBlock || block == Blocks.BUBBLE_COLUMN || block instanceof ShulkerBoxBlock || block instanceof SlabBlock || block instanceof TrapDoorBlock) {
             return false;
         }
         if (Baritone.settings().blocksToAvoid.value.contains(block)) {
             return false;
         }
-        if (block instanceof BlockDoor || block instanceof BlockFenceGate) {
+        if (block instanceof DoorBlock || block instanceof FenceGateBlock) {
             // Because there's no nice method in vanilla to check if a door is openable or not, we just have to assume
             // that anything that isn't an iron door isn't openable, ignoring that some doors introduced in mods can't
             // be opened by just interacting.
             return block != Blocks.IRON_DOOR;
         }
-        if (block == Blocks.CARPET) {
+        if (block instanceof CarpetBlock) {
             return canWalkOn(bsi, x, y - 1, z);
         }
-        if (block instanceof BlockSnow) {
+        if (block instanceof SnowBlock) {
             // we've already checked doors and fence gates
             // so the only remaining dynamic isPassables are snow and trapdoor
             // if they're cached as a top block, we don't know their metadata
@@ -112,7 +114,7 @@ public interface MovementHelper extends ActionCosts, Helper {
             }
             // the check in BlockSnow.isPassable is layers < 5
             // while actually, we want < 3 because 3 or greater makes it impassable in a 2 high ceiling
-            if (state.getValue(BlockSnow.LAYERS) >= 3) {
+            if (state.get(SnowBlock.LAYERS) >= 3) {
                 return false;
             }
             // ok, it's low enough we could walk through it, but is it supported?
@@ -121,20 +123,21 @@ public interface MovementHelper extends ActionCosts, Helper {
         if (isFlowing(x, y, z, state, bsi)) {
             return false; // Don't walk through flowing liquids
         }
-        if (block instanceof BlockLiquid) {
+        IFluidState fluidState = state.getFluidState();
+        if (fluidState.getFluid() instanceof WaterFluid) {
             if (Baritone.settings().assumeWalkOnWater.value) {
                 return false;
             }
-            IBlockState up = bsi.get0(x, y + 1, z);
-            if (up.getBlock() instanceof BlockLiquid || up.getBlock() instanceof BlockLilyPad) {
+            BlockState up = bsi.get0(x, y + 1, z);
+            if (!up.getFluidState().isEmpty() || up.getBlock() instanceof LilyPadBlock) {
                 return false;
             }
-            return block == Blocks.WATER || block == Blocks.FLOWING_WATER;
+            return true;
         }
         // every block that overrides isPassable with anything more complicated than a "return true;" or "return false;"
         // has already been accounted for above
         // therefore it's safe to not construct a blockpos from our x, y, z ints and instead just pass null
-        return block.isPassable(null, BlockPos.ORIGIN);
+        return state.allowsMovement(null, BlockPos.ZERO, PathType.LAND); // workaround for future compatibility =P
     }
 
     /**
@@ -151,32 +154,33 @@ public interface MovementHelper extends ActionCosts, Helper {
         return fullyPassable(context.get(x, y, z));
     }
 
-    static boolean fullyPassable(IBlockState state) {
+    static boolean fullyPassable(BlockState state) {
         Block block = state.getBlock();
-        if (block == Blocks.AIR) { // early return for most common case
+        if (block instanceof AirBlock) { // early return for most common case
             return true;
         }
         // exceptions - blocks that are isPassable true, but we can't actually jump through
         if (block == Blocks.FIRE
                 || block == Blocks.TRIPWIRE
-                || block == Blocks.WEB
+                || block == Blocks.COBWEB
                 || block == Blocks.VINE
                 || block == Blocks.LADDER
                 || block == Blocks.COCOA
-                || block instanceof BlockDoor
-                || block instanceof BlockFenceGate
-                || block instanceof BlockSnow
-                || block instanceof BlockLiquid
-                || block instanceof BlockTrapDoor
-                || block instanceof BlockEndPortal
-                || block instanceof BlockSkull) {
+                || block instanceof DoorBlock
+                || block instanceof FenceGateBlock
+                || block instanceof SnowBlock
+                || !state.getFluidState().isEmpty()
+                || block instanceof TrapDoorBlock
+                || block instanceof EndPortalBlock
+                || block instanceof SkullBlock
+                || block instanceof ShulkerBoxBlock) {
             return false;
         }
         // door, fence gate, liquid, trapdoor have been accounted for, nothing else uses the world or pos parameters
-        return block.isPassable(null, null);
+        return state.allowsMovement(null, null, PathType.LAND);
     }
 
-    static boolean isReplacable(int x, int y, int z, IBlockState state, BlockStateInterface bsi) {
+    static boolean isReplacable(int x, int y, int z, BlockState state, BlockStateInterface bsi) {
         // for MovementTraverse and MovementAscend
         // block double plant defaults to true when the block doesn't match, so don't need to check that case
         // all other overrides just return true or false
@@ -188,20 +192,19 @@ public interface MovementHelper extends ActionCosts, Helper {
          *     }
          */
         Block block = state.getBlock();
-        if (block == Blocks.AIR || isWater(block)) {
+        if (block instanceof AirBlock) {
             // early return for common cases hehe
             return true;
         }
-        if (block instanceof BlockSnow) {
+        if (block instanceof SnowBlock) {
             // as before, default to true (mostly because it would otherwise make long distance pathing through snowy biomes impossible)
             if (!bsi.worldContainsLoadedChunk(x, z)) {
                 return true;
             }
-            return state.getValue(BlockSnow.LAYERS) == 1;
+            return state.get(SnowBlock.LAYERS) == 1;
         }
-        if (block instanceof BlockDoublePlant) {
-            BlockDoublePlant.EnumPlantType kek = state.getValue(BlockDoublePlant.VARIANT);
-            return kek == BlockDoublePlant.EnumPlantType.FERN || kek == BlockDoublePlant.EnumPlantType.GRASS;
+        if (block == Blocks.LARGE_FERN || block == Blocks.TALL_GRASS) {
+            return true;
         }
         return state.getMaterial().isReplaceable();
     }
@@ -211,12 +214,12 @@ public interface MovementHelper extends ActionCosts, Helper {
             return false;
         }
 
-        IBlockState state = BlockStateInterface.get(ctx, doorPos);
-        if (!(state.getBlock() instanceof BlockDoor)) {
+        BlockState state = BlockStateInterface.get(ctx, doorPos);
+        if (!(state.getBlock() instanceof DoorBlock)) {
             return true;
         }
 
-        return isHorizontalBlockPassable(doorPos, state, playerPos, BlockDoor.OPEN);
+        return isHorizontalBlockPassable(doorPos, state, playerPos, DoorBlock.OPEN);
     }
 
     static boolean isGatePassable(IPlayerContext ctx, BlockPos gatePos, BlockPos playerPos) {
@@ -224,27 +227,27 @@ public interface MovementHelper extends ActionCosts, Helper {
             return false;
         }
 
-        IBlockState state = BlockStateInterface.get(ctx, gatePos);
-        if (!(state.getBlock() instanceof BlockFenceGate)) {
+        BlockState state = BlockStateInterface.get(ctx, gatePos);
+        if (!(state.getBlock() instanceof FenceGateBlock)) {
             return true;
         }
 
-        return state.getValue(BlockFenceGate.OPEN);
+        return state.get(FenceGateBlock.OPEN);
     }
 
-    static boolean isHorizontalBlockPassable(BlockPos blockPos, IBlockState blockState, BlockPos playerPos, PropertyBool propertyOpen) {
+    static boolean isHorizontalBlockPassable(BlockPos blockPos, BlockState blockState, BlockPos playerPos, BooleanProperty propertyOpen) {
         if (playerPos.equals(blockPos)) {
             return false;
         }
 
-        EnumFacing.Axis facing = blockState.getValue(BlockHorizontal.FACING).getAxis();
-        boolean open = blockState.getValue(propertyOpen);
+        Direction.Axis facing = blockState.get(HorizontalBlock.HORIZONTAL_FACING).getAxis();
+        boolean open = blockState.get(propertyOpen);
 
-        EnumFacing.Axis playerFacing;
+        Direction.Axis playerFacing;
         if (playerPos.north().equals(blockPos) || playerPos.south().equals(blockPos)) {
-            playerFacing = EnumFacing.Axis.Z;
+            playerFacing = Direction.Axis.Z;
         } else if (playerPos.east().equals(blockPos) || playerPos.west().equals(blockPos)) {
-            playerFacing = EnumFacing.Axis.X;
+            playerFacing = Direction.Axis.X;
         } else {
             return true;
         }
@@ -252,13 +255,15 @@ public interface MovementHelper extends ActionCosts, Helper {
         return (facing == playerFacing) == open;
     }
 
-    static boolean avoidWalkingInto(Block block) {
-        return block instanceof BlockLiquid
-                || block == Blocks.MAGMA
+    static boolean avoidWalkingInto(BlockState state) {
+        Block block = state.getBlock();
+        return !state.getFluidState().isEmpty()
+                || block == Blocks.MAGMA_BLOCK
                 || block == Blocks.CACTUS
                 || block == Blocks.FIRE
                 || block == Blocks.END_PORTAL
-                || block == Blocks.WEB;
+                || block == Blocks.COBWEB
+                || block == Blocks.BUBBLE_COLUMN;
     }
 
     /**
@@ -273,14 +278,14 @@ public interface MovementHelper extends ActionCosts, Helper {
      * @param state The state of the block at the specified location
      * @return Whether or not the specified block can be walked on
      */
-    static boolean canWalkOn(BlockStateInterface bsi, int x, int y, int z, IBlockState state) {
+    static boolean canWalkOn(BlockStateInterface bsi, int x, int y, int z, BlockState state) {
         Block block = state.getBlock();
-        if (block == Blocks.AIR || block == Blocks.MAGMA) {
+        if (block instanceof AirBlock || block == Blocks.MAGMA_BLOCK || block == Blocks.BUBBLE_COLUMN) {
             // early return for most common case (air)
             // plus magma, which is a normal cube but it hurts you
             return false;
         }
-        if (state.isBlockNormalCube()) {
+        if (isBlockNormalCube(state)) {
             return true;
         }
         if (block == Blocks.LADDER || (block == Blocks.VINE && Baritone.settings().allowVines.value)) { // TODO reconsider this
@@ -292,40 +297,38 @@ public interface MovementHelper extends ActionCosts, Helper {
         if (block == Blocks.ENDER_CHEST || block == Blocks.CHEST) {
             return true;
         }
-        if (isWater(block)) {
+        if (isWater(state)) {
             // since this is called literally millions of times per second, the benefit of not allocating millions of useless "pos.up()"
             // BlockPos s that we'd just garbage collect immediately is actually noticeable. I don't even think its a decrease in readability
-            Block up = bsi.get0(x, y + 1, z).getBlock();
-            if (up == Blocks.WATERLILY || up == Blocks.CARPET) {
+            BlockState upState = bsi.get0(x, y + 1, z);
+            Block up = upState.getBlock();
+            if (up == Blocks.LILY_PAD || up instanceof CarpetBlock) {
                 return true;
             }
-            if (isFlowing(x, y, z, state, bsi) || block == Blocks.FLOWING_WATER) {
+            if (isFlowing(x, y, z, state, bsi) || upState.getFluidState().getFluid() == Fluids.FLOWING_WATER) {
                 // the only scenario in which we can walk on flowing water is if it's under still water with jesus off
-                return isWater(up) && !Baritone.settings().assumeWalkOnWater.value;
+                return isWater(upState) && !Baritone.settings().assumeWalkOnWater.value;
             }
             // if assumeWalkOnWater is on, we can only walk on water if there isn't water above it
             // if assumeWalkOnWater is off, we can only walk on water if there is water above it
-            return isWater(up) ^ Baritone.settings().assumeWalkOnWater.value;
+            return isWater(upState) ^ Baritone.settings().assumeWalkOnWater.value;
         }
-        if (Baritone.settings().assumeWalkOnLava.value && isLava(block) && !isFlowing(x, y, z, state, bsi)) {
+        if (Baritone.settings().assumeWalkOnLava.value && isLava(state) && !isFlowing(x, y, z, state, bsi)) {
             return true;
         }
-        if (block == Blocks.GLASS || block == Blocks.STAINED_GLASS) {
+        if (block == Blocks.GLASS || block instanceof StainedGlassBlock) {
             return true;
         }
-        if (block instanceof BlockSlab) {
+        if (block instanceof SlabBlock) {
             if (!Baritone.settings().allowWalkOnBottomSlab.value) {
-                if (((BlockSlab) block).isDouble()) {
-                    return true;
-                }
-                return state.getValue(BlockSlab.HALF) != BlockSlab.EnumBlockHalf.BOTTOM;
+                return state.get(SlabBlock.TYPE) != SlabType.BOTTOM;
             }
             return true;
         }
-        return block instanceof BlockStairs;
+        return block instanceof StairsBlock;
     }
 
-    static boolean canWalkOn(IPlayerContext ctx, BetterBlockPos pos, IBlockState state) {
+    static boolean canWalkOn(IPlayerContext ctx, BetterBlockPos pos, BlockState state) {
         return canWalkOn(new BlockStateInterface(ctx), pos.x, pos.y, pos.z, state);
     }
 
@@ -353,21 +356,21 @@ public interface MovementHelper extends ActionCosts, Helper {
         return canPlaceAgainst(new BlockStateInterface(ctx), pos);
     }
 
-    static boolean canPlaceAgainst(BlockStateInterface bsi, int x, int y, int z, IBlockState state) {
+    static boolean canPlaceAgainst(BlockStateInterface bsi, int x, int y, int z, BlockState state) {
         // can we look at the center of a side face of this block and likely be able to place?
         // (thats how this check is used)
         // therefore dont include weird things that we technically could place against (like carpet) but practically can't
-        return state.isBlockNormalCube() || state.isFullBlock() || state.getBlock() == Blocks.GLASS || state.getBlock() == Blocks.STAINED_GLASS;
+        return isBlockNormalCube(state) || state.getBlock() == Blocks.GLASS || state.getBlock() instanceof StainedGlassBlock;
     }
 
     static double getMiningDurationTicks(CalculationContext context, int x, int y, int z, boolean includeFalling) {
         return getMiningDurationTicks(context, x, y, z, context.get(x, y, z), includeFalling);
     }
 
-    static double getMiningDurationTicks(CalculationContext context, int x, int y, int z, IBlockState state, boolean includeFalling) {
+    static double getMiningDurationTicks(CalculationContext context, int x, int y, int z, BlockState state, boolean includeFalling) {
         Block block = state.getBlock();
         if (!canWalkThrough(context.bsi, x, y, z, state)) {
-            if (block instanceof BlockLiquid) {
+            if (!state.getFluidState().isEmpty()) {
                 return COST_INF;
             }
             double mult = context.breakCostMultiplierAt(x, y, z);
@@ -385,8 +388,8 @@ public interface MovementHelper extends ActionCosts, Helper {
             result += context.breakBlockAdditionalCost;
             result *= mult;
             if (includeFalling) {
-                IBlockState above = context.get(x, y + 1, z);
-                if (above.getBlock() instanceof BlockFalling) {
+                BlockState above = context.get(x, y + 1, z);
+                if (above.getBlock() instanceof FallingBlock) {
                     result += getMiningDurationTicks(context, x, y + 1, z, above, true);
                 }
             }
@@ -395,10 +398,9 @@ public interface MovementHelper extends ActionCosts, Helper {
         return 0; // we won't actually mine it, so don't check fallings above
     }
 
-    static boolean isBottomSlab(IBlockState state) {
-        return state.getBlock() instanceof BlockSlab
-                && !((BlockSlab) state.getBlock()).isDouble()
-                && state.getValue(BlockSlab.HALF) == BlockSlab.EnumBlockHalf.BOTTOM;
+    static boolean isBottomSlab(BlockState state) {
+        return state.getBlock() instanceof SlabBlock
+                && state.get(SlabBlock.TYPE) == SlabType.BOTTOM;
     }
 
     /**
@@ -407,7 +409,7 @@ public interface MovementHelper extends ActionCosts, Helper {
      * @param ctx The player context
      * @param b   the blockstate to mine
      */
-    static void switchToBestToolFor(IPlayerContext ctx, IBlockState b) {
+    static void switchToBestToolFor(IPlayerContext ctx, BlockState b) {
         switchToBestToolFor(ctx, b, new ToolSet(ctx.player()));
     }
 
@@ -418,7 +420,7 @@ public interface MovementHelper extends ActionCosts, Helper {
      * @param b   the blockstate to mine
      * @param ts  previously calculated ToolSet
      */
-    static void switchToBestToolFor(IPlayerContext ctx, IBlockState b, ToolSet ts) {
+    static void switchToBestToolFor(IPlayerContext ctx, BlockState b, ToolSet ts) {
         ctx.player().inventory.currentItem = ts.getBestSlot(b.getBlock());
     }
 
@@ -435,11 +437,12 @@ public interface MovementHelper extends ActionCosts, Helper {
      * Returns whether or not the specified block is
      * water, regardless of whether or not it is flowing.
      *
-     * @param b The block
+     * @param state The block state
      * @return Whether or not the block is water
      */
-    static boolean isWater(Block b) {
-        return b == Blocks.FLOWING_WATER || b == Blocks.WATER;
+    static boolean isWater(BlockState state) {
+        Fluid f = state.getFluidState().getFluid();
+        return f == Fluids.WATER || f == Fluids.FLOWING_WATER;
     }
 
     /**
@@ -451,11 +454,12 @@ public interface MovementHelper extends ActionCosts, Helper {
      * @return Whether or not the block is water
      */
     static boolean isWater(IPlayerContext ctx, BlockPos bp) {
-        return isWater(BlockStateInterface.getBlock(ctx, bp));
+        return isWater(BlockStateInterface.get(ctx, bp));
     }
 
-    static boolean isLava(Block b) {
-        return b == Blocks.FLOWING_LAVA || b == Blocks.LAVA;
+    static boolean isLava(BlockState state) {
+        Fluid f = state.getFluidState().getFluid();
+        return f == Fluids.LAVA || f == Fluids.FLOWING_LAVA;
     }
 
     /**
@@ -466,20 +470,25 @@ public interface MovementHelper extends ActionCosts, Helper {
      * @return Whether or not the block is a liquid
      */
     static boolean isLiquid(IPlayerContext ctx, BlockPos p) {
-        return BlockStateInterface.getBlock(ctx, p) instanceof BlockLiquid;
+        return isLiquid(BlockStateInterface.get(ctx, p));
     }
 
-    static boolean possiblyFlowing(IBlockState state) {
-        // Will be IFluidState in 1.13
-        return state.getBlock() instanceof BlockLiquid
-                && state.getValue(BlockLiquid.LEVEL) != 0;
+    static boolean isLiquid(BlockState blockState) {
+        return !blockState.getFluidState().isEmpty();
     }
 
-    static boolean isFlowing(int x, int y, int z, IBlockState state, BlockStateInterface bsi) {
-        if (!(state.getBlock() instanceof BlockLiquid)) {
+    static boolean possiblyFlowing(BlockState state) {
+        IFluidState fluidState = state.getFluidState();
+        return fluidState.getFluid() instanceof FlowingFluid
+                && fluidState.getFluid().getLevel(fluidState) != 8;
+    }
+
+    static boolean isFlowing(int x, int y, int z, BlockState state, BlockStateInterface bsi) {
+        IFluidState fluidState = state.getFluidState();
+        if (!(fluidState.getFluid() instanceof FlowingFluid)) {
             return false;
         }
-        if (state.getValue(BlockLiquid.LEVEL) != 0) {
+        if (fluidState.getFluid().getLevel(fluidState) != 8) {
             return true;
         }
         return possiblyFlowing(bsi.get0(x + 1, y, z))
@@ -488,6 +497,16 @@ public interface MovementHelper extends ActionCosts, Helper {
                 || possiblyFlowing(bsi.get0(x, y, z - 1));
     }
 
+    static boolean isBlockNormalCube(BlockState state) {
+        Block block = state.getBlock();
+        if (block instanceof BambooBlock
+                || block instanceof MovingPistonBlock
+                || block instanceof ScaffoldingBlock
+                || block instanceof ShulkerBoxBlock) {
+            return false;
+        }
+        return Block.isOpaque(state.getCollisionShape(null, null));
+    }
 
     static PlaceResult attemptToPlaceABlock(MovementState state, IBaritone baritone, BlockPos placeAt, boolean preferDown) {
         IPlayerContext ctx = baritone.getPlayerContext();
@@ -510,7 +529,7 @@ public interface MovementHelper extends ActionCosts, Helper {
                 double faceZ = (placeAt.getZ() + against1.getZ() + 1.0D) * 0.5D;
                 Rotation place = RotationUtils.calcRotationFromVec3d(ctx.playerHead(), new Vec3d(faceX, faceY, faceZ), ctx.playerRotations());
                 RayTraceResult res = RayTraceUtils.rayTraceTowards(ctx.player(), place, ctx.playerController().getBlockReachDistance());
-                if (res != null && res.typeOfHit == RayTraceResult.Type.BLOCK && res.getBlockPos().equals(against1) && res.getBlockPos().offset(res.sideHit).equals(placeAt)) {
+                if (res != null && res.getType() == RayTraceResult.Type.BLOCK && ((BlockRayTraceResult) res).getPos().equals(against1) && ((BlockRayTraceResult) res).getPos().offset(((BlockRayTraceResult) res).getFace()).equals(placeAt)) {
                     state.setTarget(new MovementState.MovementTarget(place, true));
                     found = true;
 
@@ -524,7 +543,7 @@ public interface MovementHelper extends ActionCosts, Helper {
         }
         if (ctx.getSelectedBlock().isPresent()) {
             BlockPos selectedBlock = ctx.getSelectedBlock().get();
-            EnumFacing side = ctx.objectMouseOver().sideHit;
+            Direction side = ((BlockRayTraceResult) ctx.objectMouseOver()).getFace();
             // only way for selectedBlock.equals(placeAt) to be true is if it's replacable
             if (selectedBlock.equals(placeAt) || (MovementHelper.canPlaceAgainst(ctx, selectedBlock) && selectedBlock.offset(side).equals(placeAt))) {
                 ((Baritone) baritone).getInventoryBehavior().selectThrowawayForLocation(true, placeAt.getX(), placeAt.getY(), placeAt.getZ());

src/main/java/baritone/pathing/movement/MovementState.java

@@ -20,6 +20,8 @@ package baritone.pathing.movement;
 import baritone.api.pathing.movement.MovementStatus;
 import baritone.api.utils.Rotation;
 import baritone.api.utils.input.Input;
+import net.minecraft.client.Minecraft;
+import net.minecraft.util.registry.Registry;
 
 import java.util.HashMap;
 import java.util.Map;

src/main/java/baritone/pathing/movement/Moves.java

@@ -20,7 +20,7 @@ package baritone.pathing.movement;
 import baritone.api.utils.BetterBlockPos;
 import baritone.pathing.movement.movements.*;
 import baritone.utils.pathing.MutableMoveResult;
-import net.minecraft.util.EnumFacing;
+import net.minecraft.util.Direction;
 
 /**
  * An enum of all possible movements attached to all possible directions they could be taken in
@@ -225,7 +225,7 @@ public enum Moves {
         public Movement apply0(CalculationContext context, BetterBlockPos src) {
             MutableMoveResult res = new MutableMoveResult();
             apply(context, src.x, src.y, src.z, res);
-            return new MovementDiagonal(context.getBaritone(), src, EnumFacing.NORTH, EnumFacing.EAST, res.y - src.y);
+            return new MovementDiagonal(context.getBaritone(), src, Direction.NORTH, Direction.EAST, res.y - src.y);
         }
 
         @Override
@@ -239,7 +239,7 @@ public enum Moves {
         public Movement apply0(CalculationContext context, BetterBlockPos src) {
             MutableMoveResult res = new MutableMoveResult();
             apply(context, src.x, src.y, src.z, res);
-            return new MovementDiagonal(context.getBaritone(), src, EnumFacing.NORTH, EnumFacing.WEST, res.y - src.y);
+            return new MovementDiagonal(context.getBaritone(), src, Direction.NORTH, Direction.WEST, res.y - src.y);
         }
 
         @Override
@@ -253,7 +253,7 @@ public enum Moves {
         public Movement apply0(CalculationContext context, BetterBlockPos src) {
             MutableMoveResult res = new MutableMoveResult();
             apply(context, src.x, src.y, src.z, res);
-            return new MovementDiagonal(context.getBaritone(), src, EnumFacing.SOUTH, EnumFacing.EAST, res.y - src.y);
+            return new MovementDiagonal(context.getBaritone(), src, Direction.SOUTH, Direction.EAST, res.y - src.y);
         }
 
         @Override
@@ -267,7 +267,7 @@ public enum Moves {
         public Movement apply0(CalculationContext context, BetterBlockPos src) {
             MutableMoveResult res = new MutableMoveResult();
             apply(context, src.x, src.y, src.z, res);
-            return new MovementDiagonal(context.getBaritone(), src, EnumFacing.SOUTH, EnumFacing.WEST, res.y - src.y);
+            return new MovementDiagonal(context.getBaritone(), src, Direction.SOUTH, Direction.WEST, res.y - src.y);
         }
 
         @Override
@@ -279,48 +279,48 @@ public enum Moves {
     PARKOUR_NORTH(0, 0, -4, true, true) {
         @Override
         public Movement apply0(CalculationContext context, BetterBlockPos src) {
-            return MovementParkour.cost(context, src, EnumFacing.NORTH);
+            return MovementParkour.cost(context, src, Direction.NORTH);
         }
 
         @Override
         public void apply(CalculationContext context, int x, int y, int z, MutableMoveResult result) {
-            MovementParkour.cost(context, x, y, z, EnumFacing.NORTH, result);
+            MovementParkour.cost(context, x, y, z, Direction.NORTH, result);
         }
     },
 
     PARKOUR_SOUTH(0, 0, +4, true, true) {
         @Override
         public Movement apply0(CalculationContext context, BetterBlockPos src) {
-            return MovementParkour.cost(context, src, EnumFacing.SOUTH);
+            return MovementParkour.cost(context, src, Direction.SOUTH);
         }
 
         @Override
         public void apply(CalculationContext context, int x, int y, int z, MutableMoveResult result) {
-            MovementParkour.cost(context, x, y, z, EnumFacing.SOUTH, result);
+            MovementParkour.cost(context, x, y, z, Direction.SOUTH, result);
         }
     },
 
     PARKOUR_EAST(+4, 0, 0, true, true) {
         @Override
         public Movement apply0(CalculationContext context, BetterBlockPos src) {
-            return MovementParkour.cost(context, src, EnumFacing.EAST);
+            return MovementParkour.cost(context, src, Direction.EAST);
         }
 
         @Override
         public void apply(CalculationContext context, int x, int y, int z, MutableMoveResult result) {
-            MovementParkour.cost(context, x, y, z, EnumFacing.EAST, result);
+            MovementParkour.cost(context, x, y, z, Direction.EAST, result);
         }
     },
 
     PARKOUR_WEST(-4, 0, 0, true, true) {
         @Override
         public Movement apply0(CalculationContext context, BetterBlockPos src) {
-            return MovementParkour.cost(context, src, EnumFacing.WEST);
+            return MovementParkour.cost(context, src, Direction.WEST);
         }
 
         @Override
         public void apply(CalculationContext context, int x, int y, int z, MutableMoveResult result) {
-            MovementParkour.cost(context, x, y, z, EnumFacing.WEST, result);
+            MovementParkour.cost(context, x, y, z, Direction.WEST, result);
         }
     };
 

src/main/java/baritone/pathing/movement/movements/MovementAscend.java

@@ -27,12 +27,11 @@ import baritone.pathing.movement.Movement;
 import baritone.pathing.movement.MovementHelper;
 import baritone.pathing.movement.MovementState;
 import baritone.utils.BlockStateInterface;
+import net.minecraft.block.BlockState;
+import net.minecraft.block.Blocks;
+import net.minecraft.block.FallingBlock;
+import net.minecraft.util.Direction;
 import com.google.common.collect.ImmutableSet;
-import net.minecraft.block.BlockFalling;
-import net.minecraft.block.state.IBlockState;
-import net.minecraft.init.Blocks;
-import net.minecraft.util.EnumFacing;
-
 import java.util.Set;
 
 public class MovementAscend extends Movement {
@@ -66,7 +65,7 @@ public class MovementAscend extends Movement {
     }
 
     public static double cost(CalculationContext context, int x, int y, int z, int destX, int destZ) {
-        IBlockState toPlace = context.get(destX, y, destZ);
+        BlockState toPlace = context.get(destX, y, destZ);
         double additionalPlacementCost = 0;
         if (!MovementHelper.canWalkOn(context.bsi, destX, y, destZ, toPlace)) {
             additionalPlacementCost = context.costOfPlacingAt(destX, y, destZ);
@@ -93,26 +92,26 @@ public class MovementAscend extends Movement {
                 return COST_INF;
             }
         }
-        IBlockState srcUp2 = context.get(x, y + 2, z); // used lower down anyway
-        if (context.get(x, y + 3, z).getBlock() instanceof BlockFalling && (MovementHelper.canWalkThrough(context.bsi, x, y + 1, z) || !(srcUp2.getBlock() instanceof BlockFalling))) {//it would fall on us and possibly suffocate us
+        BlockState srcUp2 = context.get(x, y + 2, z); // used lower down anyway
+        if (context.get(x, y + 3, z).getBlock() instanceof FallingBlock && (MovementHelper.canWalkThrough(context.bsi, x, y + 1, z) || !(srcUp2.getBlock() instanceof FallingBlock))) {//it would fall on us and possibly suffocate us
             // HOWEVER, we assume that we're standing in the start position
             // that means that src and src.up(1) are both air
             // maybe they aren't now, but they will be by the time this starts
             // if the lower one is can't walk through and the upper one is falling, that means that by standing on src
             // (the presupposition of this Movement)
-            // we have necessarily already cleared the entire BlockFalling stack
+            // we have necessarily already cleared the entire FallingBlock stack
             // on top of our head
 
-            // as in, if we have a block, then two BlockFallings on top of it
+            // as in, if we have a block, then two FallingBlocks on top of it
             // and that block is x, y+1, z, and we'd have to clear it to even start this movement
-            // we don't need to worry about those BlockFallings because we've already cleared them
+            // we don't need to worry about those FallingBlocks because we've already cleared them
             return COST_INF;
             // you may think we only need to check srcUp2, not srcUp
             // however, in the scenario where glitchy world gen where unsupported sand / gravel generates
             // it's possible srcUp is AIR from the start, and srcUp2 is falling
             // and in that scenario, when we arrive and break srcUp2, that lets srcUp3 fall on us and suffocate us
         }
-        IBlockState srcDown = context.get(x, y - 1, z);
+        BlockState srcDown = context.get(x, y - 1, z);
         if (srcDown.getBlock() == Blocks.LADDER || srcDown.getBlock() == Blocks.VINE) {
             return COST_INF;
         }
@@ -172,7 +171,7 @@ public class MovementAscend extends Movement {
             return state.setStatus(MovementStatus.SUCCESS);
         }
 
-        IBlockState jumpingOnto = BlockStateInterface.get(ctx, positionToPlace);
+        BlockState jumpingOnto = BlockStateInterface.get(ctx, positionToPlace);
         if (!MovementHelper.canWalkOn(ctx, positionToPlace, jumpingOnto)) {
             ticksWithoutPlacement++;
             if (MovementHelper.attemptToPlaceABlock(state, baritone, dest.down(), false) == PlaceResult.READY_TO_PLACE) {
@@ -203,7 +202,7 @@ public class MovementAscend extends Movement {
         double flatDistToNext = xAxis * Math.abs((dest.getX() + 0.5D) - ctx.player().posX) + zAxis * Math.abs((dest.getZ() + 0.5D) - ctx.player().posZ);
         double sideDist = zAxis * Math.abs((dest.getX() + 0.5D) - ctx.player().posX) + xAxis * Math.abs((dest.getZ() + 0.5D) - ctx.player().posZ);
 
-        double lateralMotion = xAxis * ctx.player().motionZ + zAxis * ctx.player().motionX;
+        double lateralMotion = xAxis * ctx.player().getMotion().z + zAxis * ctx.player().getMotion().x;
         if (Math.abs(lateralMotion) > 0.1) {
             return state;
         }
@@ -225,7 +224,7 @@ public class MovementAscend extends Movement {
     public boolean headBonkClear() {
         BetterBlockPos startUp = src.up(2);
         for (int i = 0; i < 4; i++) {
-            BetterBlockPos check = startUp.offset(EnumFacing.byHorizontalIndex(i));
+            BetterBlockPos check = startUp.offset(Direction.byHorizontalIndex(i));
             if (!MovementHelper.canWalkThrough(ctx, check)) {
                 // We might bonk our head
                 return false;

src/main/java/baritone/pathing/movement/movements/MovementDescend.java

@@ -31,10 +31,10 @@ import baritone.utils.BlockStateInterface;
 import baritone.utils.pathing.MutableMoveResult;
 import com.google.common.collect.ImmutableSet;
 import net.minecraft.block.Block;
-import net.minecraft.block.BlockFalling;
-import net.minecraft.block.state.IBlockState;
-import net.minecraft.client.entity.EntityPlayerSP;
-import net.minecraft.init.Blocks;
+import net.minecraft.block.BlockState;
+import net.minecraft.block.Blocks;
+import net.minecraft.block.FallingBlock;
+import net.minecraft.client.entity.player.ClientPlayerEntity;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.util.math.Vec3d;
 
@@ -71,7 +71,7 @@ public class MovementDescend extends Movement {
 
     public static void cost(CalculationContext context, int x, int y, int z, int destX, int destZ, MutableMoveResult res) {
         double totalCost = 0;
-        IBlockState destDown = context.get(destX, y - 1, destZ);
+        BlockState destDown = context.get(destX, y - 1, destZ);
         totalCost += MovementHelper.getMiningDurationTicks(context, destX, y - 1, destZ, destDown, false);
         if (totalCost >= COST_INF) {
             return;
@@ -100,7 +100,7 @@ public class MovementDescend extends Movement {
         //A is plausibly breakable by either descend or fall
         //C, D, etc determine the length of the fall
 
-        IBlockState below = context.get(destX, y - 2, destZ);
+        BlockState below = context.get(destX, y - 2, destZ);
         if (!MovementHelper.canWalkOn(context.bsi, destX, y - 2, destZ, below)) {
             dynamicFallCost(context, x, y, z, destX, destZ, totalCost, below, res);
             return;
@@ -123,8 +123,8 @@ public class MovementDescend extends Movement {
         res.cost = totalCost;
     }
 
-    public static boolean dynamicFallCost(CalculationContext context, int x, int y, int z, int destX, int destZ, double frontBreak, IBlockState below, MutableMoveResult res) {
-        if (frontBreak != 0 && context.get(destX, y + 2, destZ).getBlock() instanceof BlockFalling) {
+    public static boolean dynamicFallCost(CalculationContext context, int x, int y, int z, int destX, int destZ, double frontBreak, BlockState below, MutableMoveResult res) {
+        if (frontBreak != 0 && context.get(destX, y + 2, destZ).getBlock() instanceof FallingBlock) {
             // if frontBreak is 0 we can actually get through this without updating the falling block and making it actually fall
             // but if frontBreak is nonzero, we're breaking blocks in front, so don't let anything fall through this column,
             // and potentially replace the water we're going to fall into
@@ -142,10 +142,10 @@ public class MovementDescend extends Movement {
                 // this check prevents it from getting the block at y=-1 and crashing
                 return false;
             }
-            IBlockState ontoBlock = context.get(destX, newY, destZ);
+            BlockState ontoBlock = context.get(destX, newY, destZ);
             int unprotectedFallHeight = fallHeight - (y - effectiveStartHeight); // equal to fallHeight - y + effectiveFallHeight, which is equal to -newY + effectiveFallHeight, which is equal to effectiveFallHeight - newY
             double tentativeCost = WALK_OFF_BLOCK_COST + FALL_N_BLOCKS_COST[unprotectedFallHeight] + frontBreak + costSoFar;
-            if (MovementHelper.isWater(ontoBlock.getBlock())) {
+            if (MovementHelper.isWater(ontoBlock)) {
                 if (!MovementHelper.canWalkThrough(context.bsi, destX, newY, destZ, ontoBlock)) {
                     return false;
                 }
@@ -222,9 +222,9 @@ public class MovementDescend extends Movement {
         if (safeMode()) {
             double destX = (src.getX() + 0.5) * 0.17 + (dest.getX() + 0.5) * 0.83;
             double destZ = (src.getZ() + 0.5) * 0.17 + (dest.getZ() + 0.5) * 0.83;
-            EntityPlayerSP player = ctx.player();
+            ClientPlayerEntity player = ctx.player();
             state.setTarget(new MovementState.MovementTarget(
-                    new Rotation(RotationUtils.calcRotationFromVec3d(player.getPositionEyes(1.0F),
+                    new Rotation(RotationUtils.calcRotationFromVec3d(player.getEyePosition(1.0F),
                             new Vec3d(destX, dest.getY(), destZ),
                             new Rotation(player.rotationYaw, player.rotationPitch)).getYaw(), player.rotationPitch),
                     false
@@ -256,7 +256,7 @@ public class MovementDescend extends Movement {
             return true;
         }
         for (int y = 0; y <= 2; y++) { // we could hit any of the three blocks
-            if (MovementHelper.avoidWalkingInto(BlockStateInterface.getBlock(ctx, into.up(y)))) {
+            if (MovementHelper.avoidWalkingInto(BlockStateInterface.get(ctx, into.up(y)))) {
                 return true;
             }
         }

src/main/java/baritone/pathing/movement/movements/MovementDiagonal.java

@@ -30,9 +30,9 @@ import baritone.utils.BlockStateInterface;
 import baritone.utils.pathing.MutableMoveResult;
 import com.google.common.collect.ImmutableSet;
 import net.minecraft.block.Block;
-import net.minecraft.block.state.IBlockState;
-import net.minecraft.init.Blocks;
-import net.minecraft.util.EnumFacing;
+import net.minecraft.block.BlockState;
+import net.minecraft.block.Blocks;
+import net.minecraft.util.Direction;
 import net.minecraft.util.math.BlockPos;
 
 import java.util.ArrayList;
@@ -43,12 +43,12 @@ public class MovementDiagonal extends Movement {
 
     private static final double SQRT_2 = Math.sqrt(2);
 
-    public MovementDiagonal(IBaritone baritone, BetterBlockPos start, EnumFacing dir1, EnumFacing dir2, int dy) {
+    public MovementDiagonal(IBaritone baritone, BetterBlockPos start, Direction dir1, Direction dir2, int dy) {
         this(baritone, start, start.offset(dir1), start.offset(dir2), dir2, dy);
         // super(start, start.offset(dir1).offset(dir2), new BlockPos[]{start.offset(dir1), start.offset(dir1).up(), start.offset(dir2), start.offset(dir2).up(), start.offset(dir1).offset(dir2), start.offset(dir1).offset(dir2).up()}, new BlockPos[]{start.offset(dir1).offset(dir2).down()});
     }
 
-    private MovementDiagonal(IBaritone baritone, BetterBlockPos start, BetterBlockPos dir1, BetterBlockPos dir2, EnumFacing drr2, int dy) {
+    private MovementDiagonal(IBaritone baritone, BetterBlockPos start, BetterBlockPos dir1, BetterBlockPos dir2, Direction drr2, int dy) {
         this(baritone, start, dir1.offset(drr2).up(dy), dir1, dir2);
     }
 
@@ -77,11 +77,11 @@ public class MovementDiagonal extends Movement {
     }
 
     public static void cost(CalculationContext context, int x, int y, int z, int destX, int destZ, MutableMoveResult res) {
-        IBlockState destInto = context.get(destX, y, destZ);
+        BlockState destInto = context.get(destX, y, destZ);
         if (!MovementHelper.canWalkThrough(context.bsi, destX, y, destZ, destInto) || !MovementHelper.canWalkThrough(context.bsi, destX, y + 1, destZ)) {
             return;
         }
-        IBlockState destWalkOn = context.get(destX, y - 1, destZ);
+        BlockState destWalkOn = context.get(destX, y - 1, destZ);
         boolean descend = false;
         if (!MovementHelper.canWalkOn(context.bsi, destX, y - 1, destZ, destWalkOn)) {
             descend = true;
@@ -103,16 +103,16 @@ public class MovementDiagonal extends Movement {
         if (fromDown == Blocks.SOUL_SAND) {
             multiplier += (WALK_ONE_OVER_SOUL_SAND_COST - WALK_ONE_BLOCK_COST) / 2;
         }
-        Block cuttingOver1 = context.get(x, y - 1, destZ).getBlock();
-        if (cuttingOver1 == Blocks.MAGMA || MovementHelper.isLava(cuttingOver1)) {
+        BlockState cuttingOver1 = context.get(x, y - 1, destZ);
+        if (cuttingOver1.getBlock() == Blocks.MAGMA_BLOCK || MovementHelper.isLava(cuttingOver1)) {
             return;
         }
-        Block cuttingOver2 = context.get(destX, y - 1, z).getBlock();
-        if (cuttingOver2 == Blocks.MAGMA || MovementHelper.isLava(cuttingOver2)) {
+        BlockState cuttingOver2 = context.get(destX, y - 1, z);
+        if (cuttingOver2.getBlock() == Blocks.MAGMA_BLOCK || MovementHelper.isLava(cuttingOver2)) {
             return;
         }
-        IBlockState pb0 = context.get(x, y, destZ);
-        IBlockState pb2 = context.get(destX, y, z);
+        BlockState pb0 = context.get(x, y, destZ);
+        BlockState pb2 = context.get(destX, y, z);
         double optionA = MovementHelper.getMiningDurationTicks(context, x, y, destZ, pb0, false);
         double optionB = MovementHelper.getMiningDurationTicks(context, destX, y, z, pb2, false);
         if (optionA != 0 && optionB != 0) {
@@ -120,14 +120,14 @@ public class MovementDiagonal extends Movement {
             // so no need to check pb1 as well, might as well return early here
             return;
         }
-        IBlockState pb1 = context.get(x, y + 1, destZ);
+        BlockState pb1 = context.get(x, y + 1, destZ);
         optionA += MovementHelper.getMiningDurationTicks(context, x, y + 1, destZ, pb1, true);
         if (optionA != 0 && optionB != 0) {
             // same deal, if pb1 makes optionA nonzero and option B already was nonzero, pb3 can't affect the result
             return;
         }
-        IBlockState pb3 = context.get(destX, y + 1, z);
-        if (optionA == 0 && ((MovementHelper.avoidWalkingInto(pb2.getBlock()) && pb2.getBlock() != Blocks.WATER) || MovementHelper.avoidWalkingInto(pb3.getBlock()))) {
+        BlockState pb3 = context.get(destX, y + 1, z);
+        if (optionA == 0 && ((MovementHelper.avoidWalkingInto(pb2) && pb2.getBlock() != Blocks.WATER) || MovementHelper.avoidWalkingInto(pb3))) {
             // at this point we're done calculating optionA, so we can check if it's actually possible to edge around in that direction
             return;
         }
@@ -136,13 +136,14 @@ public class MovementDiagonal extends Movement {
             // and finally, if the cost is nonzero for both ways to approach this diagonal, it's not possible
             return;
         }
-        if (optionB == 0 && ((MovementHelper.avoidWalkingInto(pb0.getBlock()) && pb0.getBlock() != Blocks.WATER) || MovementHelper.avoidWalkingInto(pb1.getBlock()))) {
+        if (optionB == 0 && ((MovementHelper.avoidWalkingInto(pb0) && pb0.getBlock() != Blocks.WATER) || MovementHelper.avoidWalkingInto(pb1))) {
             // and now that option B is fully calculated, see if we can edge around that way
             return;
         }
         boolean water = false;
-        Block startIn = context.getBlock(x, y, z);
-        if (MovementHelper.isWater(startIn) || MovementHelper.isWater(destInto.getBlock())) {
+        BlockState startState = context.get(x, y, z);
+        Block startIn = startState.getBlock();
+        if (MovementHelper.isWater(startState) || MovementHelper.isWater(destInto)) {
             // Ignore previous multiplier
             // Whatever we were walking on (possibly soul sand) doesn't matter as we're actually floating on water
             // Not even touching the blocks below

src/main/java/baritone/pathing/movement/movements/MovementDownward.java

@@ -26,8 +26,8 @@ import baritone.pathing.movement.MovementHelper;
 import baritone.pathing.movement.MovementState;
 import com.google.common.collect.ImmutableSet;
 import net.minecraft.block.Block;
-import net.minecraft.block.state.IBlockState;
-import net.minecraft.init.Blocks;
+import net.minecraft.block.BlockState;
+import net.minecraft.block.Blocks;
 
 import java.util.Set;
 
@@ -62,7 +62,7 @@ public class MovementDownward extends Movement {
         if (!MovementHelper.canWalkOn(context.bsi, x, y - 2, z)) {
             return COST_INF;
         }
-        IBlockState down = context.get(x, y - 1, z);
+        BlockState down = context.get(x, y - 1, z);
         Block downBlock = down.getBlock();
         if (downBlock == Blocks.LADDER || downBlock == Blocks.VINE) {
             return LADDER_DOWN_ONE_COST;

src/main/java/baritone/pathing/movement/movements/MovementFall.java

@@ -31,13 +31,14 @@ import baritone.pathing.movement.MovementState;
 import baritone.pathing.movement.MovementState.MovementTarget;
 import baritone.utils.pathing.MutableMoveResult;
 import net.minecraft.block.Block;
-import net.minecraft.block.BlockLadder;
-import net.minecraft.block.state.IBlockState;
-import net.minecraft.entity.player.InventoryPlayer;
-import net.minecraft.init.Blocks;
-import net.minecraft.init.Items;
+import net.minecraft.block.BlockState;
+import net.minecraft.block.Blocks;
+import net.minecraft.block.LadderBlock;
+import net.minecraft.entity.player.PlayerInventory;
+import net.minecraft.fluid.WaterFluid;
 import net.minecraft.item.ItemStack;
-import net.minecraft.util.EnumFacing;
+import net.minecraft.item.Items;
+import net.minecraft.util.Direction;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.util.math.Vec3d;
 import net.minecraft.util.math.Vec3i;
@@ -91,10 +92,11 @@ public class MovementFall extends Movement {
         BlockPos playerFeet = ctx.playerFeet();
         Rotation toDest = RotationUtils.calcRotationFromVec3d(ctx.playerHead(), VecUtils.getBlockPosCenter(dest), ctx.playerRotations());
         Rotation targetRotation = null;
-        Block destBlock = ctx.world().getBlockState(dest).getBlock();
-        boolean isWater = destBlock == Blocks.WATER || destBlock == Blocks.FLOWING_WATER;
+        BlockState destState = ctx.world().getBlockState(dest);
+        Block destBlock = destState.getBlock();
+        boolean isWater = destState.getFluidState().getFluid() instanceof WaterFluid;
         if (!isWater && willPlaceBucket() && !playerFeet.equals(dest)) {
-            if (!InventoryPlayer.isHotbar(ctx.player().inventory.getSlotFor(STACK_BUCKET_WATER)) || ctx.world().provider.isNether()) {
+            if (!PlayerInventory.isHotbar(ctx.player().inventory.getSlotFor(STACK_BUCKET_WATER)) || ctx.world().getDimension().isNether()) {
                 return state.setStatus(MovementStatus.UNREACHABLE);
             }
 
@@ -115,15 +117,15 @@ public class MovementFall extends Movement {
         }
         if (playerFeet.equals(dest) && (ctx.player().posY - playerFeet.getY() < 0.094 || isWater)) { // 0.094 because lilypads
             if (isWater) { // only match water, not flowing water (which we cannot pick up with a bucket)
-                if (InventoryPlayer.isHotbar(ctx.player().inventory.getSlotFor(STACK_BUCKET_EMPTY))) {
+                if (PlayerInventory.isHotbar(ctx.player().inventory.getSlotFor(STACK_BUCKET_EMPTY))) {
                     ctx.player().inventory.currentItem = ctx.player().inventory.getSlotFor(STACK_BUCKET_EMPTY);
-                    if (ctx.player().motionY >= 0) {
+                    if (ctx.player().getMotion().y >= 0) {
                         return state.setInput(Input.CLICK_RIGHT, true);
                     } else {
                         return state;
                     }
                 } else {
-                    if (ctx.player().motionY >= 0) {
+                    if (ctx.player().getMotion().y >= 0) {
                         return state.setStatus(MovementStatus.SUCCESS);
                     } // don't else return state; we need to stay centered because this water might be flowing under the surface
                 }
@@ -132,13 +134,13 @@ public class MovementFall extends Movement {
             }
         }
         Vec3d destCenter = VecUtils.getBlockPosCenter(dest); // we are moving to the 0.5 center not the edge (like if we were falling on a ladder)
-        if (Math.abs(ctx.player().posX + ctx.player().motionX - destCenter.x) > 0.1 || Math.abs(ctx.player().posZ + ctx.player().motionZ - destCenter.z) > 0.1) {
-            if (!ctx.player().onGround && Math.abs(ctx.player().motionY) > 0.4) {
+        if (Math.abs(ctx.player().posX + ctx.player().getMotion().x - destCenter.x) > 0.1 || Math.abs(ctx.player().posZ + ctx.player().getMotion().z - destCenter.z) > 0.1) {
+            if (!ctx.player().onGround && Math.abs(ctx.player().getMotion().y) > 0.4) {
                 state.setInput(Input.SNEAK, true);
             }
             state.setInput(Input.MOVE_FORWARD, true);
         }
-        Vec3i avoid = Optional.ofNullable(avoid()).map(EnumFacing::getDirectionVec).orElse(null);
+        Vec3i avoid = Optional.ofNullable(avoid()).map(Direction::getDirectionVec).orElse(null);
         if (avoid == null) {
             avoid = src.subtract(dest);
         } else {
@@ -156,11 +158,11 @@ public class MovementFall extends Movement {
         return state;
     }
 
-    private EnumFacing avoid() {
+    private Direction avoid() {
         for (int i = 0; i < 15; i++) {
-            IBlockState state = ctx.world().getBlockState(ctx.playerFeet().down(i));
+            BlockState state = ctx.world().getBlockState(ctx.playerFeet().down(i));
             if (state.getBlock() == Blocks.LADDER) {
-                return state.getValue(BlockLadder.FACING);
+                return state.get(LadderBlock.FACING);
             }
         }
         return null;

src/main/java/baritone/pathing/movement/movements/MovementParkour.java

@@ -28,11 +28,12 @@ import baritone.pathing.movement.MovementState;
 import baritone.utils.BlockStateInterface;
 import baritone.utils.pathing.MutableMoveResult;
 import net.minecraft.block.Block;
-import net.minecraft.block.BlockLiquid;
-import net.minecraft.block.BlockStairs;
-import net.minecraft.block.state.IBlockState;
-import net.minecraft.init.Blocks;
-import net.minecraft.util.EnumFacing;
+import net.minecraft.block.BlockState;
+import net.minecraft.block.Blocks;
+import net.minecraft.block.StairsBlock;
+import net.minecraft.fluid.Fluids;
+import net.minecraft.fluid.WaterFluid;
+import net.minecraft.util.Direction;
 
 import java.util.HashSet;
 import java.util.Set;
@@ -41,25 +42,25 @@ public class MovementParkour extends Movement {
 
     private static final BetterBlockPos[] EMPTY = new BetterBlockPos[]{};
 
-    private final EnumFacing direction;
+    private final Direction direction;
     private final int dist;
     private final boolean ascend;
 
-    private MovementParkour(IBaritone baritone, BetterBlockPos src, int dist, EnumFacing dir, boolean ascend) {
+    private MovementParkour(IBaritone baritone, BetterBlockPos src, int dist, Direction dir, boolean ascend) {
         super(baritone, src, src.offset(dir, dist).up(ascend ? 1 : 0), EMPTY, src.offset(dir, dist).down(ascend ? 0 : 1));
         this.direction = dir;
         this.dist = dist;
         this.ascend = ascend;
     }
 
-    public static MovementParkour cost(CalculationContext context, BetterBlockPos src, EnumFacing direction) {
+    public static MovementParkour cost(CalculationContext context, BetterBlockPos src, Direction direction) {
         MutableMoveResult res = new MutableMoveResult();
         cost(context, src.x, src.y, src.z, direction, res);
         int dist = Math.abs(res.x - src.x) + Math.abs(res.z - src.z);
         return new MovementParkour(context.getBaritone(), src, dist, direction, res.y > src.y);
     }
 
-    public static void cost(CalculationContext context, int x, int y, int z, EnumFacing dir, MutableMoveResult res) {
+    public static void cost(CalculationContext context, int x, int y, int z, Direction dir, MutableMoveResult res) {
         if (!context.allowParkour) {
             return;
         }
@@ -73,12 +74,12 @@ public class MovementParkour extends Movement {
             // most common case at the top -- the adjacent block isn't air
             return;
         }
-        IBlockState adj = context.get(x + xDiff, y - 1, z + zDiff);
+        BlockState adj = context.get(x + xDiff, y - 1, z + zDiff);
         if (MovementHelper.canWalkOn(context.bsi, x + xDiff, y - 1, z + zDiff, adj)) { // don't parkour if we could just traverse (for now)
             // second most common case -- we could just traverse not parkour
             return;
         }
-        if (MovementHelper.avoidWalkingInto(adj.getBlock()) && adj.getBlock() != Blocks.WATER && adj.getBlock() != Blocks.FLOWING_WATER) { // magma sucks
+        if (MovementHelper.avoidWalkingInto(adj) && !(adj.getFluidState().getFluid() instanceof WaterFluid)) { // magma sucks
             return;
         }
         if (!MovementHelper.fullyPassable(context, x + xDiff, y + 1, z + zDiff)) {
@@ -90,8 +91,8 @@ public class MovementParkour extends Movement {
         if (!MovementHelper.fullyPassable(context, x, y + 2, z)) {
             return;
         }
-        IBlockState standingOn = context.get(x, y - 1, z);
-        if (standingOn.getBlock() == Blocks.VINE || standingOn.getBlock() == Blocks.LADDER || standingOn.getBlock() instanceof BlockStairs || MovementHelper.isBottomSlab(standingOn) || standingOn.getBlock() instanceof BlockLiquid) {
+        BlockState standingOn = context.get(x, y - 1, z);
+        if (standingOn.getBlock() == Blocks.VINE || standingOn.getBlock() == Blocks.LADDER || standingOn.getBlock() instanceof StairsBlock || MovementHelper.isBottomSlab(standingOn) || standingOn.getFluidState().getFluid() != Fluids.EMPTY) {
             return;
         }
         int maxJump;
@@ -113,7 +114,7 @@ public class MovementParkour extends Movement {
             if (!MovementHelper.fullyPassable(context, destX, y + 2, destZ)) {
                 return;
             }
-            IBlockState destInto = context.bsi.get0(destX, y, destZ);
+            BlockState destInto = context.bsi.get0(destX, y, destZ);
             if (!MovementHelper.fullyPassable(destInto)) {
                 if (i <= 3 && context.allowParkourAscend && context.canSprint && MovementHelper.canWalkOn(context.bsi, destX, y, destZ, destInto) && checkOvershootSafety(context.bsi, destX + xDiff, y + 1, destZ + zDiff)) {
                     res.x = destX;
@@ -123,7 +124,7 @@ public class MovementParkour extends Movement {
                 }
                 return;
             }
-            IBlockState landingOn = context.bsi.get0(destX, y - 1, destZ);
+            BlockState landingOn = context.bsi.get0(destX, y - 1, destZ);
             // farmland needs to be canwalkon otherwise farm can never work at all, but we want to specifically disallow ending a jumy on farmland haha
             if (landingOn.getBlock() != Blocks.FARMLAND && MovementHelper.canWalkOn(context.bsi, destX, y - 1, destZ, landingOn)) {
                 if (checkOvershootSafety(context.bsi, destX + xDiff, y, destZ + zDiff)) {
@@ -151,7 +152,7 @@ public class MovementParkour extends Movement {
         if (placeCost >= COST_INF) {
             return;
         }
-        IBlockState toReplace = context.get(destX, y - 1, destZ);
+        BlockState toReplace = context.get(destX, y - 1, destZ);
         if (!MovementHelper.isReplacable(destX, y - 1, destZ, toReplace, context.bsi)) {
             return;
         }
@@ -177,7 +178,7 @@ public class MovementParkour extends Movement {
 
     private static boolean checkOvershootSafety(BlockStateInterface bsi, int x, int y, int z) {
         // we're going to walk into these two blocks after the landing of the parkour anyway, so make sure they aren't avoidWalkingInto
-        return !MovementHelper.avoidWalkingInto(bsi.get0(x, y, z).getBlock()) && !MovementHelper.avoidWalkingInto(bsi.get0(x, y + 1, z).getBlock());
+        return !MovementHelper.avoidWalkingInto(bsi.get0(x, y, z)) && !MovementHelper.avoidWalkingInto(bsi.get0(x, y + 1, z));
     }
 
     private static double costFromJumpDistance(int dist) {

src/main/java/baritone/pathing/movement/movements/MovementPillar.java

@@ -32,12 +32,10 @@ import baritone.pathing.movement.MovementState;
 import baritone.utils.BlockStateInterface;
 import com.google.common.collect.ImmutableSet;
 import net.minecraft.block.*;
-import net.minecraft.block.state.IBlockState;
-import net.minecraft.init.Blocks;
+import net.minecraft.state.properties.SlabType;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.util.math.Vec3d;
 
-import java.util.Objects;
 import java.util.Set;
 
 public class MovementPillar extends Movement {
@@ -57,28 +55,29 @@ public class MovementPillar extends Movement {
     }
 
     public static double cost(CalculationContext context, int x, int y, int z) {
-        Block from = context.get(x, y, z).getBlock();
+        BlockState fromState = context.get(x, y, z);
+        Block from = fromState.getBlock();
         boolean ladder = from == Blocks.LADDER || from == Blocks.VINE;
-        IBlockState fromDown = context.get(x, y - 1, z);
+        BlockState fromDown = context.get(x, y - 1, z);
         if (!ladder) {
             if (fromDown.getBlock() == Blocks.LADDER || fromDown.getBlock() == Blocks.VINE) {
                 return COST_INF; // can't pillar from a ladder or vine onto something that isn't also climbable
             }
-            if (fromDown.getBlock() instanceof BlockSlab && !((BlockSlab) fromDown.getBlock()).isDouble() && fromDown.getValue(BlockSlab.HALF) == BlockSlab.EnumBlockHalf.BOTTOM) {
+            if (fromDown.getBlock() instanceof SlabBlock && fromDown.get(SlabBlock.TYPE) == SlabType.BOTTOM) {
                 return COST_INF; // can't pillar up from a bottom slab onto a non ladder
             }
         }
         if (from == Blocks.VINE && !hasAgainst(context, x, y, z)) { // TODO this vine can't be climbed, but we could place a pillar still since vines are replacable, no? perhaps the pillar jump would be impossible because of the slowdown actually.
             return COST_INF;
         }
-        IBlockState toBreak = context.get(x, y + 2, z);
+        BlockState toBreak = context.get(x, y + 2, z);
         Block toBreakBlock = toBreak.getBlock();
-        if (toBreakBlock instanceof BlockFenceGate) { // see issue #172
+        if (toBreakBlock instanceof FenceGateBlock) { // see issue #172
             return COST_INF;
         }
-        Block srcUp = null;
-        if (MovementHelper.isWater(toBreakBlock) && MovementHelper.isWater(from)) { // TODO should this also be allowed if toBreakBlock is air?
-            srcUp = context.get(x, y + 1, z).getBlock();
+        BlockState srcUp = null;
+        if (MovementHelper.isWater(toBreak) && MovementHelper.isWater(fromState)) { // TODO should this also be allowed if toBreakBlock is air?
+            srcUp = context.get(x, y + 1, z);
             if (MovementHelper.isWater(srcUp)) {
                 return LADDER_UP_ONE_COST; // allow ascending pillars of water, but only if we're already in one
             }
@@ -90,11 +89,11 @@ public class MovementPillar extends Movement {
             if (placeCost >= COST_INF) {
                 return COST_INF;
             }
-            if (fromDown.getBlock() == Blocks.AIR) {
+            if (fromDown.getBlock() instanceof AirBlock) {
                 placeCost += 0.1; // slightly (1/200th of a second) penalize pillaring on what's currently air
             }
         }
-        if (from instanceof BlockLiquid || (fromDown.getBlock() instanceof BlockLiquid && context.assumeWalkOnWater)) {
+        if ((MovementHelper.isLiquid(fromState) && !MovementHelper.canPlaceAgainst(context.bsi, x, y - 1, z, fromDown)) || (MovementHelper.isLiquid(fromDown) && context.assumeWalkOnWater)) {
             // otherwise, if we're standing in water, we cannot pillar
             // if we're standing on water and assumeWalkOnWater is true, we cannot pillar
             // if we're standing on water and assumeWalkOnWater is false, we must have ascended to here, or sneak backplaced, so it is possible to pillar again
@@ -108,20 +107,20 @@ public class MovementPillar extends Movement {
             if (toBreakBlock == Blocks.LADDER || toBreakBlock == Blocks.VINE) {
                 hardness = 0; // we won't actually need to break the ladder / vine because we're going to use it
             } else {
-                IBlockState check = context.get(x, y + 3, z); // the block on top of the one we're going to break, could it fall on us?
-                if (check.getBlock() instanceof BlockFalling) {
+                BlockState check = context.get(x, y + 3, z); // the block on top of the one we're going to break, could it fall on us?
+                if (check.getBlock() instanceof FallingBlock) {
                     // see MovementAscend's identical check for breaking a falling block above our head
                     if (srcUp == null) {
-                        srcUp = context.get(x, y + 1, z).getBlock();
+                        srcUp = context.get(x, y + 1, z);
                     }
-                    if (!(toBreakBlock instanceof BlockFalling) || !(srcUp instanceof BlockFalling)) {
+                    if (!(toBreakBlock instanceof FallingBlock) || !(srcUp.getBlock() instanceof FallingBlock)) {
                         return COST_INF;
                     }
                 }
                 // this is commented because it may have had a purpose, but it's very unclear what it was. it's from the minebot era.
                 //if (!MovementHelper.canWalkOn(chkPos, check) || MovementHelper.canWalkThrough(chkPos, check)) {//if the block above where we want to break is not a full block, don't do it
                 // TODO why does canWalkThrough mean this action is COST_INF?
-                // BlockFalling makes sense, and !canWalkOn deals with weird cases like if it were lava
+                // FallingBlock makes sense, and !canWalkOn deals with weird cases like if it were lava
                 // but I don't understand why canWalkThrough makes it impossible
                 //    return COST_INF;
                 //}
@@ -135,23 +134,23 @@ public class MovementPillar extends Movement {
     }
 
     public static boolean hasAgainst(CalculationContext context, int x, int y, int z) {
-        return context.get(x + 1, y, z).isBlockNormalCube() ||
-                context.get(x - 1, y, z).isBlockNormalCube() ||
-                context.get(x, y, z + 1).isBlockNormalCube() ||
-                context.get(x, y, z - 1).isBlockNormalCube();
+        return MovementHelper.isBlockNormalCube(context.get(x + 1, y, z)) ||
+                MovementHelper.isBlockNormalCube(context.get(x - 1, y, z)) ||
+                MovementHelper.isBlockNormalCube(context.get(x, y, z + 1)) ||
+                MovementHelper.isBlockNormalCube(context.get(x, y, z - 1));
     }
 
     public static BlockPos getAgainst(CalculationContext context, BetterBlockPos vine) {
-        if (context.get(vine.north()).isBlockNormalCube()) {
+        if (MovementHelper.isBlockNormalCube(context.get(vine.north()))) {
             return vine.north();
         }
-        if (context.get(vine.south()).isBlockNormalCube()) {
+        if (MovementHelper.isBlockNormalCube(context.get(vine.south()))) {
             return vine.south();
         }
-        if (context.get(vine.east()).isBlockNormalCube()) {
+        if (MovementHelper.isBlockNormalCube(context.get(vine.east()))) {
             return vine.east();
         }
-        if (context.get(vine.west()).isBlockNormalCube()) {
+        if (MovementHelper.isBlockNormalCube(context.get(vine.west()))) {
             return vine.west();
         }
         return null;
@@ -168,8 +167,8 @@ public class MovementPillar extends Movement {
             return state.setStatus(MovementStatus.UNREACHABLE);
         }
 
-        IBlockState fromDown = BlockStateInterface.get(ctx, src);
-        if (MovementHelper.isWater(fromDown.getBlock()) && MovementHelper.isWater(ctx, dest)) {
+        BlockState fromDown = BlockStateInterface.get(ctx, src);
+        if (MovementHelper.isWater(fromDown) && MovementHelper.isWater(ctx, dest)) {
             // stay centered while swimming up a water column
             state.setTarget(new MovementState.MovementTarget(RotationUtils.calcRotationFromVec3d(ctx.playerHead(), VecUtils.getBlockPosCenter(dest), ctx.playerRotations()), false));
             Vec3d destCenter = VecUtils.getBlockPosCenter(dest);
@@ -183,7 +182,7 @@ public class MovementPillar extends Movement {
         }
         boolean ladder = fromDown.getBlock() == Blocks.LADDER || fromDown.getBlock() == Blocks.VINE;
         boolean vine = fromDown.getBlock() == Blocks.VINE;
-        Rotation rotation = RotationUtils.calcRotationFromVec3d(ctx.player().getPositionEyes(1.0F),
+        Rotation rotation = RotationUtils.calcRotationFromVec3d(ctx.player().getEyePosition(1.0F),
                 VecUtils.getBlockPosCenter(positionToPlace),
                 new Rotation(ctx.player().rotationYaw, ctx.player().rotationPitch));
         if (!ladder) {
@@ -192,7 +191,7 @@ public class MovementPillar extends Movement {
 
         boolean blockIsThere = MovementHelper.canWalkOn(ctx, src) || ladder;
         if (ladder) {
-            BlockPos against = vine ? getAgainst(new CalculationContext(baritone), src) : src.offset(fromDown.getValue(BlockLadder.FACING).getOpposite());
+            BlockPos against = vine ? getAgainst(new CalculationContext(baritone), src) : src.offset(fromDown.get(LadderBlock.FACING).getOpposite());
             if (against == null) {
                 logDebug("Unable to climb vines");
                 return state.setStatus(MovementStatus.UNREACHABLE);
@@ -225,7 +224,7 @@ public class MovementPillar extends Movement {
             double diffX = ctx.player().posX - (dest.getX() + 0.5);
             double diffZ = ctx.player().posZ - (dest.getZ() + 0.5);
             double dist = Math.sqrt(diffX * diffX + diffZ * diffZ);
-            double flatMotion = Math.sqrt(ctx.player().motionX * ctx.player().motionX + ctx.player().motionZ * ctx.player().motionZ);
+            double flatMotion = Math.sqrt(ctx.player().getMotion().x * ctx.player().getMotion().x + ctx.player().getMotion().z * ctx.player().getMotion().z);
             if (dist > 0.17) {//why 0.17? because it seemed like a good number, that's why
                 //[explanation added after baritone port lol] also because it needs to be less than 0.2 because of the 0.3 sneak limit
                 //and 0.17 is reasonably less than 0.2
@@ -242,17 +241,17 @@ public class MovementPillar extends Movement {
 
 
             if (!blockIsThere) {
-                IBlockState frState = BlockStateInterface.get(ctx, src);
+                BlockState frState = BlockStateInterface.get(ctx, src);
                 Block fr = frState.getBlock();
                 // TODO: Evaluate usage of getMaterial().isReplaceable()
-                if (!(fr instanceof BlockAir || frState.getMaterial().isReplaceable())) {
+                if (!(fr instanceof AirBlock || frState.getMaterial().isReplaceable())) {
                     RotationUtils.reachable(ctx.player(), src, ctx.playerController().getBlockReachDistance())
                             .map(rot -> new MovementState.MovementTarget(rot, true))
                             .ifPresent(state::setTarget);
                     state.setInput(Input.JUMP, false); // breaking is like 5x slower when you're jumping
                     state.setInput(Input.CLICK_LEFT, true);
                     blockIsThere = false;
-                } else if (ctx.player().isSneaking() && (Objects.equals(src.down(), ctx.objectMouseOver().getBlockPos()) || Objects.equals(src, ctx.objectMouseOver().getBlockPos())) && ctx.player().posY > dest.getY() + 0.1) {
+                } else if (ctx.player().isSneaking() && (ctx.isLookingAt(src.down()) || ctx.isLookingAt(src)) && ctx.player().posY > dest.getY() + 0.1) {
                     state.setInput(Input.CLICK_RIGHT, true);
                 }
             }

src/main/java/baritone/pathing/movement/movements/MovementTraverse.java

@@ -32,8 +32,8 @@ import baritone.pathing.movement.MovementState;
 import baritone.utils.BlockStateInterface;
 import com.google.common.collect.ImmutableSet;
 import net.minecraft.block.*;
-import net.minecraft.block.state.IBlockState;
-import net.minecraft.init.Blocks;
+import net.minecraft.fluid.WaterFluid;
+import net.minecraft.state.properties.SlabType;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.util.math.Vec3d;
 
@@ -68,14 +68,15 @@ public class MovementTraverse extends Movement {
     }
 
     public static double cost(CalculationContext context, int x, int y, int z, int destX, int destZ) {
-        IBlockState pb0 = context.get(destX, y + 1, destZ);
-        IBlockState pb1 = context.get(destX, y, destZ);
-        IBlockState destOn = context.get(destX, y - 1, destZ);
-        Block srcDown = context.getBlock(x, y - 1, z);
+        BlockState pb0 = context.get(destX, y + 1, destZ);
+        BlockState pb1 = context.get(destX, y, destZ);
+        BlockState destOn = context.get(destX, y - 1, destZ);
+        BlockState down = context.get(x, y - 1, z);
+        Block srcDown = down.getBlock();
         if (MovementHelper.canWalkOn(context.bsi, destX, y - 1, destZ, destOn)) {//this is a walk, not a bridge
             double WC = WALK_ONE_BLOCK_COST;
             boolean water = false;
-            if (MovementHelper.isWater(pb0.getBlock()) || MovementHelper.isWater(pb1.getBlock())) {
+            if (MovementHelper.isWater(pb0) || MovementHelper.isWater(pb1)) {
                 WC = context.waterWalkSpeed;
                 water = true;
             } else {
@@ -112,8 +113,8 @@ public class MovementTraverse extends Movement {
                 return COST_INF;
             }
             if (MovementHelper.isReplacable(destX, y - 1, destZ, destOn, context.bsi)) {
-                boolean throughWater = MovementHelper.isWater(pb0.getBlock()) || MovementHelper.isWater(pb1.getBlock());
-                if (MovementHelper.isWater(destOn.getBlock()) && throughWater) {
+                boolean throughWater = MovementHelper.isWater(pb0) || MovementHelper.isWater(pb1);
+                if (MovementHelper.isWater(destOn) && throughWater) {
                     // this happens when assume walk on water is true and this is a traverse in water, which isn't allowed
                     return COST_INF;
                 }
@@ -139,10 +140,10 @@ public class MovementTraverse extends Movement {
                     }
                 }
                 // now that we've checked all possible directions to side place, we actually need to backplace
-                if (srcDown == Blocks.SOUL_SAND || (srcDown instanceof BlockSlab && !((BlockSlab) srcDown).isDouble())) {
+                if (srcDown == Blocks.SOUL_SAND || (srcDown instanceof SlabBlock && down.get(SlabBlock.TYPE) != SlabType.DOUBLE)) {
                     return COST_INF; // can't sneak and backplace against soul sand or half slabs (regardless of whether it's top half or bottom half) =/
                 }
-                if (srcDown == Blocks.FLOWING_WATER || srcDown == Blocks.WATER) {
+                if (down.getFluidState() instanceof WaterFluid) {
                     return COST_INF; // this is obviously impossible
                 }
                 WC = WC * (SNEAK_ONE_BLOCK_COST / WALK_ONE_BLOCK_COST);//since we are sneak backplacing, we are sneaking lol
@@ -155,8 +156,8 @@ public class MovementTraverse extends Movement {
     @Override
     public MovementState updateState(MovementState state) {
         super.updateState(state);
-        IBlockState pb0 = BlockStateInterface.get(ctx, positionsToBreak[0]);
-        IBlockState pb1 = BlockStateInterface.get(ctx, positionsToBreak[1]);
+        BlockState pb0 = BlockStateInterface.get(ctx, positionsToBreak[0]);
+        BlockState pb1 = BlockStateInterface.get(ctx, positionsToBreak[1]);
         if (state.getStatus() != MovementStatus.RUNNING) {
             // if the setting is enabled
             if (!Baritone.settings().walkWhileBreaking.value) {
@@ -167,10 +168,10 @@ public class MovementTraverse extends Movement {
                 return state;
             }
             // and if it's fine to walk into the blocks in front
-            if (MovementHelper.avoidWalkingInto(pb0.getBlock())) {
+            if (MovementHelper.avoidWalkingInto(pb0)) {
                 return state;
             }
-            if (MovementHelper.avoidWalkingInto(pb1.getBlock())) {
+            if (MovementHelper.avoidWalkingInto(pb1)) {
                 return state;
             }
             // and we aren't already pressed up against the block
@@ -187,7 +188,7 @@ public class MovementTraverse extends Movement {
             // it's safe to do this since the two blocks we break (in a traverse) are right on top of each other and so will have the same yaw
             float yawToDest = RotationUtils.calcRotationFromVec3d(ctx.playerHead(), VecUtils.calculateBlockCenter(ctx.world(), dest), ctx.playerRotations()).getYaw();
             float pitchToBreak = state.getTarget().getRotation().get().getPitch();
-            if ((pb0.isFullCube() || pb0.getBlock() instanceof BlockAir && (pb1.isFullCube() || pb1.getBlock() instanceof BlockAir))) {
+            if ((MovementHelper.isBlockNormalCube(pb0) || pb0.getBlock() instanceof AirBlock && (MovementHelper.isBlockNormalCube(pb1) || pb1.getBlock() instanceof AirBlock))) {
                 // in the meantime, before we're right up against the block, we can break efficiently at this angle
                 pitchToBreak = 26;
             }
@@ -203,9 +204,8 @@ public class MovementTraverse extends Movement {
         Block fd = BlockStateInterface.get(ctx, src.down()).getBlock();
         boolean ladder = fd == Blocks.LADDER || fd == Blocks.VINE;
 
-        if (pb0.getBlock() instanceof BlockDoor || pb1.getBlock() instanceof BlockDoor) {
-
-            boolean notPassable = pb0.getBlock() instanceof BlockDoor && !MovementHelper.isDoorPassable(ctx, src, dest) || pb1.getBlock() instanceof BlockDoor && !MovementHelper.isDoorPassable(ctx, dest, src);
+        if (pb0.getBlock() instanceof DoorBlock || pb1.getBlock() instanceof DoorBlock) {
+            boolean notPassable = pb0.getBlock() instanceof DoorBlock && !MovementHelper.isDoorPassable(ctx, src, dest) || pb1.getBlock() instanceof DoorBlock && !MovementHelper.isDoorPassable(ctx, dest, src);
             boolean canOpen = !(Blocks.IRON_DOOR.equals(pb0.getBlock()) || Blocks.IRON_DOOR.equals(pb1.getBlock()));
 
             if (notPassable && canOpen) {
@@ -214,7 +214,7 @@ public class MovementTraverse extends Movement {
             }
         }
 
-        if (pb0.getBlock() instanceof BlockFenceGate || pb1.getBlock() instanceof BlockFenceGate) {
+        if (pb0.getBlock() instanceof FenceGateBlock || pb1.getBlock() instanceof FenceGateBlock) {
             BlockPos blocked = !MovementHelper.isGatePassable(ctx, positionsToBreak[0], src.up()) ? positionsToBreak[0]
                     : !MovementHelper.isGatePassable(ctx, positionsToBreak[1], src) ? positionsToBreak[1]
                     : null;
@@ -251,23 +251,23 @@ public class MovementTraverse extends Movement {
                 return state;
             }
             BlockPos into = dest.subtract(src).add(dest);
-            Block intoBelow = BlockStateInterface.get(ctx, into).getBlock();
-            Block intoAbove = BlockStateInterface.get(ctx, into.up()).getBlock();
+            BlockState intoBelow = BlockStateInterface.get(ctx, into);
+            BlockState intoAbove = BlockStateInterface.get(ctx, into.up());
             if (wasTheBridgeBlockAlwaysThere && (!MovementHelper.isLiquid(ctx, feet) || Baritone.settings().sprintInWater.value) && (!MovementHelper.avoidWalkingInto(intoBelow) || MovementHelper.isWater(intoBelow)) && !MovementHelper.avoidWalkingInto(intoAbove)) {
                 state.setInput(Input.SPRINT, true);
             }
 
-            IBlockState destDown = BlockStateInterface.get(ctx, dest.down());
+            BlockState destDown = BlockStateInterface.get(ctx, dest.down());
             BlockPos against = positionsToBreak[0];
             if (feet.getY() != dest.getY() && ladder && (destDown.getBlock() == Blocks.VINE || destDown.getBlock() == Blocks.LADDER)) {
-                against = destDown.getBlock() == Blocks.VINE ? MovementPillar.getAgainst(new CalculationContext(baritone), dest.down()) : dest.offset(destDown.getValue(BlockLadder.FACING).getOpposite());
+                against = destDown.getBlock() == Blocks.VINE ? MovementPillar.getAgainst(new CalculationContext(baritone), dest.down()) : dest.offset(destDown.get(LadderBlock.FACING).getOpposite());
             }
             MovementHelper.moveTowards(ctx, state, against);
             return state;
         } else {
             wasTheBridgeBlockAlwaysThere = false;
             Block standingOn = BlockStateInterface.get(ctx, feet.down()).getBlock();
-            if (standingOn.equals(Blocks.SOUL_SAND) || standingOn instanceof BlockSlab) { // see issue #118
+            if (standingOn.equals(Blocks.SOUL_SAND) || standingOn instanceof SlabBlock) { // see issue #118
                 double dist = Math.max(Math.abs(dest.getX() + 0.5 - ctx.player().posX), Math.abs(dest.getZ() + 0.5 - ctx.player().posZ));
                 if (dist < 0.85) { // 0.5 + 0.3 + epsilon
                     MovementHelper.moveTowards(ctx, state, dest);

src/main/java/baritone/pathing/path/PathExecutor.java

@@ -32,7 +32,7 @@ import baritone.pathing.movement.Movement;
 import baritone.pathing.movement.MovementHelper;
 import baritone.pathing.movement.movements.*;
 import baritone.utils.BlockStateInterface;
-import net.minecraft.block.BlockLiquid;
+import net.minecraft.block.Blocks;
 import net.minecraft.util.Tuple;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.util.math.Vec3d;
@@ -130,7 +130,7 @@ public class PathExecutor implements IPathExecutor, Helper {
         Tuple<Double, BlockPos> status = closestPathPos(path);
         if (possiblyOffPath(status, MAX_DIST_FROM_PATH)) {
             ticksAway++;
-            System.out.println("FAR AWAY FROM PATH FOR " + ticksAway + " TICKS. Current distance: " + status.getFirst() + ". Threshold: " + MAX_DIST_FROM_PATH);
+            System.out.println("FAR AWAY FROM PATH FOR " + ticksAway + " TICKS. Current distance: " + status.getA() + ". Threshold: " + MAX_DIST_FROM_PATH);
             if (ticksAway > MAX_TICKS_AWAY) {
                 logDebug("Too far away from path for too long, cancelling path");
                 cancel();
@@ -303,7 +303,7 @@ public class PathExecutor implements IPathExecutor, Helper {
     }
 
     private boolean possiblyOffPath(Tuple<Double, BlockPos> status, double leniency) {
-        double distanceFromPath = status.getFirst();
+        double distanceFromPath = status.getA();
         if (distanceFromPath > leniency) {
             // when we're midair in the middle of a fall, we're very far from both the beginning and the end, but we aren't actually off path
             if (path.movements().get(pathPosition) instanceof MovementFall) {
@@ -323,12 +323,12 @@ public class PathExecutor implements IPathExecutor, Helper {
      * @return Whether or not it was possible to snap to the current player feet
      */
     public boolean snipsnapifpossible() {
-        if (!ctx.player().onGround && !(ctx.world().getBlockState(ctx.playerFeet()).getBlock() instanceof BlockLiquid)) {
+        if (!ctx.player().onGround && ctx.world().getFluidState(ctx.playerFeet()).isEmpty()) {
             // if we're falling in the air, and not in water, don't splice
             return false;
         } else {
             // we are either onGround or in liquid
-            if (ctx.player().motionY < -0.1) {
+            if (ctx.player().getMotion().y < -0.1) {
                 // if we are strictly moving downwards (not stationary)
                 // we could be falling through water, which could be unsafe to splice
                 return false; // so don't
@@ -426,7 +426,7 @@ public class PathExecutor implements IPathExecutor, Helper {
         if (current instanceof MovementFall) {
             Tuple<Vec3d, BlockPos> data = overrideFall((MovementFall) current);
             if (data != null) {
-                BetterBlockPos fallDest = new BetterBlockPos(data.getSecond());
+                BetterBlockPos fallDest = new BetterBlockPos(data.getB());
                 if (!path.positions().contains(fallDest)) {
                     throw new IllegalStateException();
                 }
@@ -437,7 +437,7 @@ public class PathExecutor implements IPathExecutor, Helper {
                     return true;
                 }
                 clearKeys();
-                behavior.baritone.getLookBehavior().updateTarget(RotationUtils.calcRotationFromVec3d(ctx.playerHead(), data.getFirst(), ctx.playerRotations()), false);
+                behavior.baritone.getLookBehavior().updateTarget(RotationUtils.calcRotationFromVec3d(ctx.playerHead(), data.getA(), ctx.playerRotations()), false);
                 behavior.baritone.getInputOverrideHandler().setInputForceState(Input.MOVE_FORWARD, true);
                 return true;
             }
@@ -529,10 +529,10 @@ public class PathExecutor implements IPathExecutor, Helper {
                 }
             }
         }
-        if (MovementHelper.avoidWalkingInto(ctx.world().getBlockState(current.getSrc().up(3)).getBlock())) {
+        if (MovementHelper.avoidWalkingInto(ctx.world().getBlockState(current.getSrc().up(3)))) {
             return false;
         }
-        return !MovementHelper.avoidWalkingInto(ctx.world().getBlockState(next.getDest().up(2)).getBlock()); // codacy smh my head
+        return !MovementHelper.avoidWalkingInto(ctx.world().getBlockState(next.getDest().up(2))); // codacy smh my head
     }
 
     private static boolean canSprintFromDescendInto(IPlayerContext ctx, IMovement current, IMovement next) {

src/main/java/baritone/process/BackfillProcess.java

@@ -26,9 +26,8 @@ import baritone.pathing.movement.MovementHelper;
 import baritone.pathing.movement.MovementState;
 import baritone.pathing.path.PathExecutor;
 import baritone.utils.BaritoneProcessHelper;
-import net.minecraft.block.state.IBlockState;
-import net.minecraft.init.Blocks;
-import net.minecraft.util.EnumFacing;
+import net.minecraft.block.BlockState;
+import net.minecraft.block.Blocks;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.world.chunk.EmptyChunk;
 
@@ -37,7 +36,7 @@ import java.util.stream.Collectors;
 
 public final class BackfillProcess extends BaritoneProcessHelper {
 
-    public HashMap<BlockPos, IBlockState> blocksToReplace = new HashMap<>();
+    public HashMap<BlockPos, BlockState> blocksToReplace = new HashMap<>();
 
     public BackfillProcess(Baritone baritone) {
         super(baritone);
@@ -104,9 +103,9 @@ public final class BackfillProcess extends BaritoneProcessHelper {
                 .keySet()
                 .stream()
                 .filter(pos -> ctx.world().getBlockState(pos).getBlock() == Blocks.AIR)
-                .filter(pos -> ctx.world().mayPlace(Blocks.DIRT, pos, false, EnumFacing.UP, null))
+                .filter(pos -> baritone.getBuilderProcess().placementPlausible(pos, Blocks.DIRT.getDefaultState()))
                 .filter(pos -> !partOfCurrentMovement(pos))
-                .sorted(Comparator.<BlockPos>comparingDouble(ctx.player()::getDistanceSq).reversed())
+                .sorted(Comparator.<BlockPos>comparingDouble(ctx.playerFeet()::distanceSq).reversed())
                 .collect(Collectors.toList());
     }
 

src/main/java/baritone/process/BuilderProcess.java

@@ -37,17 +37,21 @@ import baritone.utils.schematic.AirSchematic;
 import baritone.utils.schematic.Schematic;
 import baritone.utils.schematic.schematica.SchematicaHelper;
 import it.unimi.dsi.fastutil.longs.LongOpenHashSet;
-import net.minecraft.block.BlockAir;
-import net.minecraft.block.BlockLiquid;
-import net.minecraft.block.state.IBlockState;
-import net.minecraft.init.Blocks;
-import net.minecraft.item.ItemBlock;
+import net.minecraft.block.AirBlock;
+import net.minecraft.block.BlockState;
+import net.minecraft.block.Blocks;
+import net.minecraft.block.FlowingFluidBlock;
+import net.minecraft.item.BlockItem;
+import net.minecraft.item.BlockItemUseContext;
 import net.minecraft.item.ItemStack;
+import net.minecraft.item.ItemUseContext;
+import net.minecraft.nbt.CompoundNBT;
 import net.minecraft.nbt.CompressedStreamTools;
-import net.minecraft.nbt.NBTTagCompound;
-import net.minecraft.util.EnumFacing;
+import net.minecraft.util.Direction;
+import net.minecraft.util.Hand;
 import net.minecraft.util.Tuple;
 import net.minecraft.util.math.*;
+import net.minecraft.util.math.shapes.VoxelShape;
 
 import java.io.File;
 import java.io.FileInputStream;
@@ -93,7 +97,7 @@ public final class BuilderProcess extends BaritoneProcessHelper implements IBuil
 
     @Override
     public boolean build(String name, File schematic, Vec3i origin) {
-        NBTTagCompound tag;
+        CompoundNBT tag;
         try (FileInputStream fileIn = new FileInputStream(schematic)) {
             tag = CompressedStreamTools.readCompressed(fileIn);
         } catch (IOException e) {
@@ -112,7 +116,7 @@ public final class BuilderProcess extends BaritoneProcessHelper implements IBuil
         if (SchematicaHelper.isSchematicaPresent()) {
             Optional<Tuple<ISchematic, BlockPos>> schematic = SchematicaHelper.getOpenSchematic();
             if (schematic.isPresent()) {
-                this.build(schematic.get().getFirst().toString(), schematic.get().getFirst(), schematic.get().getSecond());
+                this.build(schematic.get().getA().toString(), schematic.get().getA(), schematic.get().getB());
             } else {
                 logDirect("No schematic currently open");
             }
@@ -129,7 +133,7 @@ public final class BuilderProcess extends BaritoneProcessHelper implements IBuil
         build("clear area", new AirSchematic(widthX, heightY, lengthZ), origin);
     }
 
-    private static ISchematic parse(NBTTagCompound schematic) {
+    private static ISchematic parse(CompoundNBT schematic) {
         return new Schematic(schematic);
     }
 
@@ -138,15 +142,15 @@ public final class BuilderProcess extends BaritoneProcessHelper implements IBuil
         return schematic != null;
     }
 
-    public IBlockState placeAt(int x, int y, int z) {
+    public BlockState placeAt(int x, int y, int z) {
         if (!isActive()) {
             return null;
         }
         if (!schematic.inSchematic(x - origin.getX(), y - origin.getY(), z - origin.getZ())) {
             return null;
         }
-        IBlockState state = schematic.desiredState(x - origin.getX(), y - origin.getY(), z - origin.getZ());
-        if (state.getBlock() == Blocks.AIR) {
+        BlockState state = schematic.desiredState(x - origin.getX(), y - origin.getY(), z - origin.getZ());
+        if (state.getBlock() instanceof AirBlock) {
             return null;
         }
         return state;
@@ -164,12 +168,12 @@ public final class BuilderProcess extends BaritoneProcessHelper implements IBuil
                     if (dy == -1 && x == pathStart.x && z == pathStart.z) {
                         continue; // dont mine what we're supported by, but not directly standing on
                     }
-                    IBlockState desired = bcc.getSchematic(x, y, z);
+                    BlockState desired = bcc.getSchematic(x, y, z);
                     if (desired == null) {
                         continue; // irrelevant
                     }
-                    IBlockState curr = bcc.bsi.get0(x, y, z);
-                    if (curr.getBlock() != Blocks.AIR && !(curr.getBlock() instanceof BlockLiquid) && !valid(curr, desired)) {
+                    BlockState curr = bcc.bsi.get0(x, y, z);
+                    if (!(curr.getBlock() instanceof AirBlock) && !(curr.getBlock() == Blocks.WATER || curr.getBlock() == Blocks.LAVA) && !valid(curr, desired)) {
                         BetterBlockPos pos = new BetterBlockPos(x, y, z);
                         Optional<Rotation> rot = RotationUtils.reachable(ctx.player(), pos, ctx.playerController().getBlockReachDistance());
                         if (rot.isPresent()) {
@@ -185,10 +189,10 @@ public final class BuilderProcess extends BaritoneProcessHelper implements IBuil
     public class Placement {
         private final int hotbarSelection;
         private final BlockPos placeAgainst;
-        private final EnumFacing side;
+        private final Direction side;
         private final Rotation rot;
 
-        public Placement(int hotbarSelection, BlockPos placeAgainst, EnumFacing side, Rotation rot) {
+        public Placement(int hotbarSelection, BlockPos placeAgainst, Direction side, Rotation rot) {
             this.hotbarSelection = hotbarSelection;
             this.placeAgainst = placeAgainst;
             this.side = side;
@@ -196,7 +200,7 @@ public final class BuilderProcess extends BaritoneProcessHelper implements IBuil
         }
     }
 
-    private Optional<Placement> searchForPlacables(BuilderCalculationContext bcc, List<IBlockState> desirableOnHotbar) {
+    private Optional<Placement> searchForPlacables(BuilderCalculationContext bcc, List<BlockState> desirableOnHotbar) {
         BetterBlockPos center = ctx.playerFeet();
         for (int dx = -5; dx <= 5; dx++) {
             for (int dy = -5; dy <= 1; dy++) {
@@ -204,13 +208,13 @@ public final class BuilderProcess extends BaritoneProcessHelper implements IBuil
                     int x = center.x + dx;
                     int y = center.y + dy;
                     int z = center.z + dz;
-                    IBlockState desired = bcc.getSchematic(x, y, z);
+                    BlockState desired = bcc.getSchematic(x, y, z);
                     if (desired == null) {
                         continue; // irrelevant
                     }
-                    IBlockState curr = bcc.bsi.get0(x, y, z);
+                    BlockState curr = bcc.bsi.get0(x, y, z);
                     if (MovementHelper.isReplacable(x, y, z, curr, bcc.bsi) && !valid(curr, desired)) {
-                        if (dy == 1 && bcc.bsi.get0(x, y + 1, z).getBlock() == Blocks.AIR) {
+                        if (dy == 1 && bcc.bsi.get0(x, y + 1, z).getBlock() instanceof AirBlock) {
                             continue;
                         }
                         desirableOnHotbar.add(desired);
@@ -225,24 +229,32 @@ public final class BuilderProcess extends BaritoneProcessHelper implements IBuil
         return Optional.empty();
     }
 
-    private Optional<Placement> possibleToPlace(IBlockState toPlace, int x, int y, int z, BlockStateInterface bsi) {
-        for (EnumFacing against : EnumFacing.values()) {
+    public boolean placementPlausible(BlockPos pos, BlockState state) {
+        VoxelShape voxelshape = state.getCollisionShape(ctx.world(), pos);
+        return voxelshape.isEmpty() || ctx.world().checkNoEntityCollision(null, voxelshape.withOffset(pos.getX(), pos.getY(), pos.getZ()));
+    }
+
+    private Optional<Placement> possibleToPlace(BlockState toPlace, int x, int y, int z, BlockStateInterface bsi) {
+        for (Direction against : Direction.values()) {
             BetterBlockPos placeAgainstPos = new BetterBlockPos(x, y, z).offset(against);
-            IBlockState placeAgainstState = bsi.get0(placeAgainstPos);
+            BlockState placeAgainstState = bsi.get0(placeAgainstPos);
             if (MovementHelper.isReplacable(placeAgainstPos.x, placeAgainstPos.y, placeAgainstPos.z, placeAgainstState, bsi)) {
                 continue;
             }
-            if (!ctx.world().mayPlace(toPlace.getBlock(), new BetterBlockPos(x, y, z), false, against, null)) {
+            if (!toPlace.isValidPosition(ctx.world(), new BetterBlockPos(x, y, z))) {
                 continue;
             }
-            AxisAlignedBB aabb = placeAgainstState.getBoundingBox(ctx.world(), placeAgainstPos);
+            if (!placementPlausible(new BetterBlockPos(x, y, z), toPlace)) {
+                continue;
+            }
+            AxisAlignedBB aabb = placeAgainstState.getShape(ctx.world(), placeAgainstPos).getBoundingBox();
             for (Vec3d placementMultiplier : aabbSideMultipliers(against)) {
                 double placeX = placeAgainstPos.x + aabb.minX * placementMultiplier.x + aabb.maxX * (1 - placementMultiplier.x);
                 double placeY = placeAgainstPos.y + aabb.minY * placementMultiplier.y + aabb.maxY * (1 - placementMultiplier.y);
                 double placeZ = placeAgainstPos.z + aabb.minZ * placementMultiplier.z + aabb.maxZ * (1 - placementMultiplier.z);
                 Rotation rot = RotationUtils.calcRotationFromVec3d(ctx.playerHead(), new Vec3d(placeX, placeY, placeZ), ctx.playerRotations());
                 RayTraceResult result = RayTraceUtils.rayTraceTowards(ctx.player(), rot, ctx.playerController().getBlockReachDistance());
-                if (result != null && result.typeOfHit == RayTraceResult.Type.BLOCK && result.getBlockPos().equals(placeAgainstPos) && result.sideHit == against.getOpposite()) {
+                if (result != null && result.getType() == RayTraceResult.Type.BLOCK && ((BlockRayTraceResult) result).getPos().equals(placeAgainstPos) && ((BlockRayTraceResult) result).getFace() == against.getOpposite()) {
                     OptionalInt hotbar = hasAnyItemThatWouldPlace(toPlace, result, rot);
                     if (hotbar.isPresent()) {
                         return Optional.of(new Placement(hotbar.getAsInt(), placeAgainstPos, against.getOpposite(), rot));
@@ -253,10 +265,10 @@ public final class BuilderProcess extends BaritoneProcessHelper implements IBuil
         return Optional.empty();
     }
 
-    private OptionalInt hasAnyItemThatWouldPlace(IBlockState desired, RayTraceResult result, Rotation rot) {
+    private OptionalInt hasAnyItemThatWouldPlace(BlockState desired, RayTraceResult result, Rotation rot) {
         for (int i = 0; i < 9; i++) {
             ItemStack stack = ctx.player().inventory.mainInventory.get(i);
-            if (stack.isEmpty() || !(stack.getItem() instanceof ItemBlock)) {
+            if (stack.isEmpty() || !(stack.getItem() instanceof BlockItem)) {
                 continue;
             }
             float originalYaw = ctx.player().rotationYaw;
@@ -264,18 +276,22 @@ public final class BuilderProcess extends BaritoneProcessHelper implements IBuil
             // the state depends on the facing of the player sometimes
             ctx.player().rotationYaw = rot.getYaw();
             ctx.player().rotationPitch = rot.getPitch();
-            IBlockState wouldBePlaced = ((ItemBlock) stack.getItem()).getBlock().getStateForPlacement(
+            BlockItemUseContext meme = new BlockItemUseContext(new ItemUseContext(
                     ctx.world(),
-                    result.getBlockPos().offset(result.sideHit),
-                    result.sideHit,
-                    (float) result.hitVec.x - result.getBlockPos().getX(), // as in PlayerControllerMP
-                    (float) result.hitVec.y - result.getBlockPos().getY(),
-                    (float) result.hitVec.z - result.getBlockPos().getZ(),
-                    stack.getItem().getMetadata(stack.getMetadata()),
-                    ctx.player()
-            );
+                    ctx.player(),
+                    Hand.MAIN_HAND,
+                    stack,
+                    (BlockRayTraceResult) result
+            ) {}); // that {} gives us access to a protected constructor lmfao
+            BlockState wouldBePlaced = ((BlockItem) stack.getItem()).getBlock().getStateForPlacement(meme);
             ctx.player().rotationYaw = originalYaw;
             ctx.player().rotationPitch = originalPitch;
+            if (wouldBePlaced == null) {
+                continue;
+            }
+            if (!meme.canPlace()) {
+                continue;
+            }
             if (valid(wouldBePlaced, desired)) {
                 return OptionalInt.of(i);
             }
@@ -283,7 +299,7 @@ public final class BuilderProcess extends BaritoneProcessHelper implements IBuil
         return OptionalInt.empty();
     }
 
-    private static Vec3d[] aabbSideMultipliers(EnumFacing side) {
+    private static Vec3d[] aabbSideMultipliers(Direction side) {
         switch (side) {
             case UP:
                 return new Vec3d[]{new Vec3d(0.5, 1, 0.5), new Vec3d(0.1, 1, 0.5), new Vec3d(0.9, 1, 0.5), new Vec3d(0.5, 1, 0.1), new Vec3d(0.5, 1, 0.9)};
@@ -330,7 +346,7 @@ public final class BuilderProcess extends BaritoneProcessHelper implements IBuil
             }
             schematic = new ISchematic() {
                 @Override
-                public IBlockState desiredState(int x, int y, int z) {
+                public BlockState desiredState(int x, int y, int z) {
                     return realSchematic.desiredState(x, y, z);
                 }
 
@@ -380,8 +396,8 @@ public final class BuilderProcess extends BaritoneProcessHelper implements IBuil
         if (toBreak.isPresent() && isSafeToCancel && ctx.player().onGround) {
             // we'd like to pause to break this block
             // only change look direction if it's safe (don't want to fuck up an in progress parkour for example
-            Rotation rot = toBreak.get().getSecond();
-            BetterBlockPos pos = toBreak.get().getFirst();
+            Rotation rot = toBreak.get().getB();
+            BetterBlockPos pos = toBreak.get().getA();
             baritone.getLookBehavior().updateTarget(rot, true);
             MovementHelper.switchToBestToolFor(ctx, bcc.get(pos));
             if (ctx.player().isSneaking()) {
@@ -395,25 +411,25 @@ public final class BuilderProcess extends BaritoneProcessHelper implements IBuil
             }
             return new PathingCommand(null, PathingCommandType.CANCEL_AND_SET_GOAL);
         }
-        List<IBlockState> desirableOnHotbar = new ArrayList<>();
+        List<BlockState> desirableOnHotbar = new ArrayList<>();
         Optional<Placement> toPlace = searchForPlacables(bcc, desirableOnHotbar);
         if (toPlace.isPresent() && isSafeToCancel && ctx.player().onGround && ticks <= 0) {
             Rotation rot = toPlace.get().rot;
             baritone.getLookBehavior().updateTarget(rot, true);
             ctx.player().inventory.currentItem = toPlace.get().hotbarSelection;
             baritone.getInputOverrideHandler().setInputForceState(Input.SNEAK, true);
-            if ((ctx.isLookingAt(toPlace.get().placeAgainst) && ctx.objectMouseOver().sideHit.equals(toPlace.get().side)) || ctx.playerRotations().isReallyCloseTo(rot)) {
+            if ((ctx.isLookingAt(toPlace.get().placeAgainst) && ((BlockRayTraceResult) ctx.objectMouseOver()).getFace().equals(toPlace.get().side)) || ctx.playerRotations().isReallyCloseTo(rot)) {
                 baritone.getInputOverrideHandler().setInputForceState(Input.CLICK_RIGHT, true);
             }
             return new PathingCommand(null, PathingCommandType.CANCEL_AND_SET_GOAL);
         }
 
-        List<IBlockState> approxPlacable = placable(36);
+        List<BlockState> approxPlacable = placable(36);
         if (Baritone.settings().allowInventory.value) {
             ArrayList<Integer> usefulSlots = new ArrayList<>();
-            List<IBlockState> noValidHotbarOption = new ArrayList<>();
+            List<BlockState> noValidHotbarOption = new ArrayList<>();
             outer:
-            for (IBlockState desired : desirableOnHotbar) {
+            for (BlockState desired : desirableOnHotbar) {
                 for (int i = 0; i < 9; i++) {
                     if (valid(approxPlacable.get(i), desired)) {
                         usefulSlots.add(i);
@@ -425,7 +441,7 @@ public final class BuilderProcess extends BaritoneProcessHelper implements IBuil
 
             outer:
             for (int i = 9; i < 36; i++) {
-                for (IBlockState desired : noValidHotbarOption) {
+                for (BlockState desired : noValidHotbarOption) {
                     if (valid(approxPlacable.get(i), desired)) {
                         baritone.getInventoryBehavior().attemptToPutOnHotbar(i, usefulSlots::contains);
                         break outer;
@@ -463,7 +479,7 @@ public final class BuilderProcess extends BaritoneProcessHelper implements IBuil
 
     private void trim() {
         HashSet<BetterBlockPos> copy = new HashSet<>(incorrectPositions);
-        copy.removeIf(pos -> pos.distanceSq(ctx.player().posX, ctx.player().posY, ctx.player().posZ) > 200);
+        copy.removeIf(pos -> pos.distanceSq(new BlockPos(ctx.player())) > 200);
         if (!copy.isEmpty()) {
             incorrectPositions = copy;
         }
@@ -477,7 +493,7 @@ public final class BuilderProcess extends BaritoneProcessHelper implements IBuil
                     int x = center.x + dx;
                     int y = center.y + dy;
                     int z = center.z + dz;
-                    IBlockState desired = bcc.getSchematic(x, y, z);
+                    BlockState desired = bcc.getSchematic(x, y, z);
                     if (desired != null) {
                         // we care about this position
                         BetterBlockPos pos = new BetterBlockPos(x, y, z);
@@ -526,18 +542,18 @@ public final class BuilderProcess extends BaritoneProcessHelper implements IBuil
         }
     }
 
-    private Goal assemble(BuilderCalculationContext bcc, List<IBlockState> approxPlacable) {
+    private Goal assemble(BuilderCalculationContext bcc, List<BlockState> approxPlacable) {
         List<BetterBlockPos> placable = new ArrayList<>();
         List<BetterBlockPos> breakable = new ArrayList<>();
         List<BetterBlockPos> sourceLiquids = new ArrayList<>();
         incorrectPositions.forEach(pos -> {
-            IBlockState state = bcc.bsi.get0(pos);
-            if (state.getBlock() instanceof BlockAir) {
+            BlockState state = bcc.bsi.get0(pos);
+            if (state.getBlock() instanceof AirBlock) {
                 if (approxPlacable.contains(bcc.getSchematic(pos.x, pos.y, pos.z))) {
                     placable.add(pos);
                 }
             } else {
-                if (state.getBlock() instanceof BlockLiquid) {
+                if (state.getBlock() instanceof FlowingFluidBlock) {
                     // if the block itself is JUST a liquid (i.e. not just a waterlogged block), we CANNOT break it
                     // TODO for 1.13 make sure that this only matches pure water, not waterlogged blocks
                     if (!MovementHelper.possiblyFlowing(state)) {
@@ -612,12 +628,12 @@ public final class BuilderProcess extends BaritoneProcessHelper implements IBuil
     }
 
     private Goal placementGoal(BlockPos pos, BuilderCalculationContext bcc) {
-        if (ctx.world().getBlockState(pos).getBlock() != Blocks.AIR) { // TODO can this even happen?
+        if (!(ctx.world().getBlockState(pos).getBlock() instanceof AirBlock)) {  // TODO can this even happen?
             return new GoalPlace(pos);
         }
-        boolean allowSameLevel = ctx.world().getBlockState(pos.up()).getBlock() != Blocks.AIR;
-        for (EnumFacing facing : Movement.HORIZONTALS_BUT_ALSO_DOWN_____SO_EVERY_DIRECTION_EXCEPT_UP) {
-            if (MovementHelper.canPlaceAgainst(ctx, pos.offset(facing)) && ctx.world().mayPlace(bcc.getSchematic(pos.getX(), pos.getY(), pos.getZ()).getBlock(), pos, false, facing, null)) {
+        boolean allowSameLevel = !(ctx.world().getBlockState(pos.up()).getBlock() instanceof AirBlock);
+        for (Direction facing : Movement.HORIZONTALS_BUT_ALSO_DOWN_____SO_EVERY_DIRECTION_EXCEPT_UP) {
+            if (MovementHelper.canPlaceAgainst(ctx, pos.offset(facing)) && placementPlausible(pos, bcc.getSchematic(pos.getX(), pos.getY(), pos.getZ()))) {
                 return new GoalAdjacent(pos, allowSameLevel);
             }
         }
@@ -625,7 +641,7 @@ public final class BuilderProcess extends BaritoneProcessHelper implements IBuil
     }
 
     private Goal breakGoal(BlockPos pos, BuilderCalculationContext bcc) {
-        if (Baritone.settings().goalBreakFromAbove.value && bcc.bsi.get0(pos.up()).getBlock() instanceof BlockAir && bcc.bsi.get0(pos.up(2)).getBlock() instanceof BlockAir) { // TODO maybe possible without the up(2) check?
+        if (Baritone.settings().goalBreakFromAbove.value && bcc.bsi.get0(pos.up()).getBlock() instanceof AirBlock && bcc.bsi.get0(pos.up(2)).getBlock() instanceof AirBlock) { // TODO maybe possible without the up(2) check?
             return new JankyGoalComposite(new GoalBreak(pos), new GoalGetToBlock(pos.up()) {
                 @Override
                 public boolean isInGoal(int x, int y, int z) {
@@ -693,28 +709,34 @@ public final class BuilderProcess extends BaritoneProcessHelper implements IBuil
         return paused ? "Builder Paused" : "Building " + name;
     }
 
-    private List<IBlockState> placable(int size) {
-        List<IBlockState> result = new ArrayList<>();
+    private List<BlockState> placable(int size) {
+        List<BlockState> result = new ArrayList<>();
         for (int i = 0; i < size; i++) {
             ItemStack stack = ctx.player().inventory.mainInventory.get(i);
-            if (stack.isEmpty() || !(stack.getItem() instanceof ItemBlock)) {
+            if (stack.isEmpty() || !(stack.getItem() instanceof BlockItem)) {
                 result.add(Blocks.AIR.getDefaultState());
                 continue;
             }
             // <toxic cloud>
-            result.add(((ItemBlock) stack.getItem()).getBlock().getStateForPlacement(ctx.world(), ctx.playerFeet(), EnumFacing.UP, (float) ctx.player().posX, (float) ctx.player().posY, (float) ctx.player().posZ, stack.getItem().getMetadata(stack.getMetadata()), ctx.player()));
+            result.add(((BlockItem) stack.getItem()).getBlock().getStateForPlacement(new BlockItemUseContext(new ItemUseContext(ctx.world(), ctx.player(), Hand.MAIN_HAND, stack, new BlockRayTraceResult(new Vec3d(ctx.player().posX, ctx.player().posY, ctx.player().posZ), Direction.UP, ctx.playerFeet(), false)) {})));
             // </toxic cloud>
         }
         return result;
     }
 
-    private boolean valid(IBlockState current, IBlockState desired) {
+    private boolean valid(BlockState current, BlockState desired) {
+        if (desired == null) {
+            return true;
+        }
+        if (current.getBlock() instanceof AirBlock && desired.getBlock() instanceof AirBlock) {
+            return true;
+        }
         // TODO more complicated comparison logic I guess
-        return desired == null || current.equals(desired);
+        return current.equals(desired);
     }
 
     public class BuilderCalculationContext extends CalculationContext {
-        private final List<IBlockState> placable;
+        private final List<BlockState> placable;
         private final ISchematic schematic;
         private final int originX;
         private final int originY;
@@ -732,7 +754,7 @@ public final class BuilderProcess extends BaritoneProcessHelper implements IBuil
             this.backtrackCostFavoringCoefficient = 1;
         }
 
-        private IBlockState getSchematic(int x, int y, int z) {
+        private BlockState getSchematic(int x, int y, int z) {
             if (schematic.inSchematic(x - originX, y - originY, z - originZ)) {
                 return schematic.desiredState(x - originX, y - originY, z - originZ);
             } else {
@@ -745,10 +767,10 @@ public final class BuilderProcess extends BaritoneProcessHelper implements IBuil
             if (isPossiblyProtected(x, y, z) || !worldBorder.canPlaceAt(x, z)) { // make calculation fail properly if we can't build
                 return COST_INF;
             }
-            IBlockState sch = getSchematic(x, y, z);
+            BlockState sch = getSchematic(x, y, z);
             if (sch != null) {
                 // TODO this can return true even when allowPlace is off.... is that an issue?
-                if (sch.getBlock() == Blocks.AIR) {
+                if (sch.getBlock() instanceof AirBlock) {
                     // we want this to be air, but they're asking if they can place here
                     // this won't be a schematic block, this will be a throwaway
                     return placeBlockCost * 2; // we're going to have to break it eventually
@@ -779,9 +801,9 @@ public final class BuilderProcess extends BaritoneProcessHelper implements IBuil
             if (!allowBreak || isPossiblyProtected(x, y, z)) {
                 return COST_INF;
             }
-            IBlockState sch = getSchematic(x, y, z);
+            BlockState sch = getSchematic(x, y, z);
             if (sch != null) {
-                if (sch.getBlock() == Blocks.AIR) {
+                if (sch.getBlock() instanceof AirBlock) {
                     // it should be air
                     // regardless of current contents, we can break it
                     return 1;

src/main/java/baritone/process/FarmProcess.java

@@ -32,17 +32,14 @@ import baritone.cache.WorldScanner;
 import baritone.pathing.movement.MovementHelper;
 import baritone.utils.BaritoneProcessHelper;
 import net.minecraft.block.*;
-import net.minecraft.block.state.IBlockState;
 import net.minecraft.entity.Entity;
-import net.minecraft.entity.item.EntityItem;
-import net.minecraft.init.Blocks;
-import net.minecraft.init.Items;
-import net.minecraft.item.EnumDyeColor;
+import net.minecraft.entity.item.ItemEntity;
 import net.minecraft.item.Item;
-import net.minecraft.item.ItemDye;
 import net.minecraft.item.ItemStack;
-import net.minecraft.util.EnumFacing;
+import net.minecraft.item.Items;
+import net.minecraft.util.Direction;
 import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.BlockRayTraceResult;
 import net.minecraft.util.math.RayTraceResult;
 import net.minecraft.util.math.Vec3d;
 import net.minecraft.world.World;
@@ -73,17 +70,17 @@ public final class FarmProcess extends BaritoneProcessHelper implements IFarmPro
             Items.BEETROOT_SEEDS,
             Items.BEETROOT,
             Items.MELON_SEEDS,
-            Items.MELON,
-            Item.getItemFromBlock(Blocks.MELON_BLOCK),
+            Items.MELON_SLICE,
+            Blocks.MELON.asItem(),
             Items.WHEAT_SEEDS,
             Items.WHEAT,
             Items.PUMPKIN_SEEDS,
-            Item.getItemFromBlock(Blocks.PUMPKIN),
+            Blocks.PUMPKIN.asItem(),
             Items.POTATO,
             Items.CARROT,
             Items.NETHER_WART,
-            Items.REEDS,
-            Item.getItemFromBlock(Blocks.CACTUS)
+            Blocks.SUGAR_CANE.asItem(),
+            Blocks.CACTUS.asItem()
     );
 
     public FarmProcess(Baritone baritone) {
@@ -102,44 +99,44 @@ public final class FarmProcess extends BaritoneProcessHelper implements IFarmPro
     }
 
     private enum Harvest {
-        WHEAT((BlockCrops) Blocks.WHEAT),
-        CARROTS((BlockCrops) Blocks.CARROTS),
-        POTATOES((BlockCrops) Blocks.POTATOES),
-        BEETROOT((BlockCrops) Blocks.BEETROOTS),
+        WHEAT((CropsBlock) Blocks.WHEAT),
+        CARROTS((CropsBlock) Blocks.CARROTS),
+        POTATOES((CropsBlock) Blocks.POTATOES),
+        BEETROOT((CropsBlock) Blocks.BEETROOTS),
         PUMPKIN(Blocks.PUMPKIN, state -> true),
-        MELON(Blocks.MELON_BLOCK, state -> true),
-        NETHERWART(Blocks.NETHER_WART, state -> state.getValue(BlockNetherWart.AGE) >= 3),
-        SUGARCANE(Blocks.REEDS, null) {
+        MELON(Blocks.MELON, state -> true),
+        NETHERWART(Blocks.NETHER_WART, state -> state.get(NetherWartBlock.AGE) >= 3),
+        SUGARCANE(Blocks.SUGAR_CANE, null) {
             @Override
-            public boolean readyToHarvest(World world, BlockPos pos, IBlockState state) {
-                return world.getBlockState(pos.down()).getBlock() instanceof BlockReed;
+            public boolean readyToHarvest(World world, BlockPos pos, BlockState state) {
+                return world.getBlockState(pos.down()).getBlock() instanceof SugarCaneBlock;
             }
         },
         CACTUS(Blocks.CACTUS, null) {
             @Override
-            public boolean readyToHarvest(World world, BlockPos pos, IBlockState state) {
-                return world.getBlockState(pos.down()).getBlock() instanceof BlockCactus;
+            public boolean readyToHarvest(World world, BlockPos pos, BlockState state) {
+                return world.getBlockState(pos.down()).getBlock() instanceof CactusBlock;
             }
         };
         public final Block block;
-        public final Predicate<IBlockState> readyToHarvest;
+        public final Predicate<BlockState> readyToHarvest;
 
-        Harvest(BlockCrops blockCrops) {
+        Harvest(CropsBlock blockCrops) {
             this(blockCrops, blockCrops::isMaxAge);
             // max age is 7 for wheat, carrots, and potatoes, but 3 for beetroot
         }
 
-        Harvest(Block block, Predicate<IBlockState> readyToHarvest) {
+        Harvest(Block block, Predicate<BlockState> readyToHarvest) {
             this.block = block;
             this.readyToHarvest = readyToHarvest;
         }
 
-        public boolean readyToHarvest(World world, BlockPos pos, IBlockState state) {
+        public boolean readyToHarvest(World world, BlockPos pos, BlockState state) {
             return readyToHarvest.test(state);
         }
     }
 
-    private boolean readyForHarvest(World world, BlockPos pos, IBlockState state) {
+    private boolean readyForHarvest(World world, BlockPos pos, BlockState state) {
         for (Harvest harvest : Harvest.values()) {
             if (harvest.block == state.getBlock()) {
                 return harvest.readyToHarvest(world, pos, state);
@@ -153,7 +150,7 @@ public final class FarmProcess extends BaritoneProcessHelper implements IFarmPro
     }
 
     private boolean isBoneMeal(ItemStack stack) {
-        return !stack.isEmpty() && stack.getItem() instanceof ItemDye && EnumDyeColor.byDyeDamage(stack.getMetadata()) == EnumDyeColor.WHITE;
+        return !stack.isEmpty() && stack.getItem().equals(Items.BONE_MEAL);
     }
 
     private boolean isNetherWart(ItemStack stack) {
@@ -181,8 +178,8 @@ public final class FarmProcess extends BaritoneProcessHelper implements IFarmPro
         List<BlockPos> bonemealable = new ArrayList<>();
         List<BlockPos> openSoulsand = new ArrayList<>();
         for (BlockPos pos : locations) {
-            IBlockState state = ctx.world().getBlockState(pos);
-            boolean airAbove = ctx.world().getBlockState(pos.up()).getBlock() instanceof BlockAir;
+            BlockState state = ctx.world().getBlockState(pos);
+            boolean airAbove = ctx.world().getBlockState(pos.up()).getBlock() instanceof AirBlock;
             if (state.getBlock() == Blocks.FARMLAND) {
                 if (airAbove) {
                     openFarmland.add(pos);
@@ -226,7 +223,7 @@ public final class FarmProcess extends BaritoneProcessHelper implements IFarmPro
             Optional<Rotation> rot = RotationUtils.reachableOffset(ctx.player(), pos, new Vec3d(pos.getX() + 0.5, pos.getY() + 1, pos.getZ() + 0.5), ctx.playerController().getBlockReachDistance());
             if (rot.isPresent() && isSafeToCancel && baritone.getInventoryBehavior().throwaway(true, soulsand ? this::isNetherWart : this::isPlantable)) {
                 RayTraceResult result = RayTraceUtils.rayTraceTowards(ctx.player(), rot.get(), ctx.playerController().getBlockReachDistance());
-                if (result.typeOfHit == RayTraceResult.Type.BLOCK && result.sideHit == EnumFacing.UP) {
+                if (result instanceof BlockRayTraceResult && ((BlockRayTraceResult) result).getFace() == Direction.UP) {
                     baritone.getLookBehavior().updateTarget(rot.get(), true);
                     if (ctx.isLookingAt(pos)) {
                         baritone.getInputOverrideHandler().setInputForceState(Input.CLICK_RIGHT, true);
@@ -271,9 +268,9 @@ public final class FarmProcess extends BaritoneProcessHelper implements IFarmPro
                 goalz.add(new GoalBlock(pos));
             }
         }
-        for (Entity entity : ctx.world().loadedEntityList) {
-            if (entity instanceof EntityItem && entity.onGround) {
-                EntityItem ei = (EntityItem) entity;
+        for (Entity entity : ctx.entities()) {
+            if (entity instanceof ItemEntity && entity.onGround) {
+                ItemEntity ei = (ItemEntity) entity;
                 if (PICKUP_DROPPED.contains(ei.getItem().getItem())) {
                     // +0.1 because of farmland's 0.9375 dummy height lol
                     goalz.add(new GoalBlock(new BlockPos(entity.posX, entity.posY + 0.1, entity.posZ)));

src/main/java/baritone/process/FollowProcess.java

@@ -33,7 +33,6 @@ import java.util.ArrayList;
 import java.util.List;
 import java.util.function.Predicate;
 import java.util.stream.Collectors;
-import java.util.stream.Stream;
 
 /**
  * Follow an entity
@@ -72,22 +71,21 @@ public final class FollowProcess extends BaritoneProcessHelper implements IFollo
         if (entity == null) {
             return false;
         }
-        if (entity.isDead) {
+        if (!entity.isAlive()) {
             return false;
         }
         if (entity.equals(ctx.player())) {
             return false;
         }
-        return ctx.world().loadedEntityList.contains(entity);
+        return ctx.entitiesStream().anyMatch(entity::equals);
     }
 
     private void scanWorld() {
-        cache = Stream.of(ctx.world().loadedEntityList, ctx.world().playerEntities)
-            .flatMap(List::stream)
-            .filter(this::followable)
-            .filter(this.filter)
-            .distinct()
-            .collect(Collectors.toCollection(ArrayList::new));
+        cache = ctx.entitiesStream()
+                .filter(this::followable)
+                .filter(this.filter)
+                .distinct()
+                .collect(Collectors.toCollection(ArrayList::new));
     }
 
     @Override

src/main/java/baritone/process/GetToBlockProcess.java

@@ -26,10 +26,11 @@ import baritone.api.utils.Rotation;
 import baritone.api.utils.RotationUtils;
 import baritone.api.utils.input.Input;
 import baritone.pathing.movement.CalculationContext;
+import baritone.pathing.movement.MovementHelper;
 import baritone.utils.BaritoneProcessHelper;
 import net.minecraft.block.Block;
-import net.minecraft.init.Blocks;
-import net.minecraft.inventory.ContainerPlayer;
+import net.minecraft.block.Blocks;
+import net.minecraft.inventory.container.PlayerContainer;
 import net.minecraft.util.math.BlockPos;
 
 import java.util.*;
@@ -121,7 +122,7 @@ public final class GetToBlockProcess extends BaritoneProcessHelper implements IG
     // blacklist the closest block and its adjacent blocks
     public synchronized boolean blacklistClosest() {
         List<BlockPos> newBlacklist = new ArrayList<>();
-        knownLocations.stream().min(Comparator.comparingDouble(ctx.player()::getDistanceSq)).ifPresent(newBlacklist::add);
+        knownLocations.stream().min(Comparator.comparingDouble(ctx.playerFeet()::distanceSq)).ifPresent(newBlacklist::add);
         outer:
         while (true) {
             for (BlockPos known : knownLocations) {
@@ -180,7 +181,7 @@ public final class GetToBlockProcess extends BaritoneProcessHelper implements IG
         if (walkIntoInsteadOfAdjacent(gettingTo)) {
             return new GoalTwoBlocks(pos);
         }
-        if (blockOnTopMustBeRemoved(gettingTo) && baritone.bsi.get0(pos.up()).isBlockNormalCube()) {
+        if (blockOnTopMustBeRemoved(gettingTo) && MovementHelper.isBlockNormalCube(baritone.bsi.get0(pos.up()))) { // TODO this should be the check for chest openability
             return new GoalBlock(pos.up());
         }
         return new GoalGetToBlock(pos);
@@ -194,7 +195,7 @@ public final class GetToBlockProcess extends BaritoneProcessHelper implements IG
                 if (knownLocations.contains(ctx.getSelectedBlock().orElse(null))) {
                     baritone.getInputOverrideHandler().setInputForceState(Input.CLICK_RIGHT, true); // TODO find some way to right click even if we're in an ESC menu
                     System.out.println(ctx.player().openContainer);
-                    if (!(ctx.player().openContainer instanceof ContainerPlayer)) {
+                    if (!(ctx.player().openContainer instanceof PlayerContainer)) {
                         return true;
                     }
                 }
@@ -213,7 +214,7 @@ public final class GetToBlockProcess extends BaritoneProcessHelper implements IG
         if (!Baritone.settings().enterPortal.value) {
             return false;
         }
-        return block == Blocks.PORTAL;
+        return block == Blocks.NETHER_PORTAL;
     }
 
     private boolean rightClickOnArrival(Block block) {

src/main/java/baritone/process/MineProcess.java

@@ -33,19 +33,21 @@ import baritone.pathing.movement.CalculationContext;
 import baritone.pathing.movement.MovementHelper;
 import baritone.utils.BaritoneProcessHelper;
 import baritone.utils.BlockStateInterface;
-import net.minecraft.block.Block;
-import net.minecraft.block.BlockAir;
-import net.minecraft.block.BlockFalling;
-import net.minecraft.block.state.IBlockState;
+import net.minecraft.block.*;
+import net.minecraft.client.world.ClientWorld;
 import net.minecraft.entity.Entity;
-import net.minecraft.entity.item.EntityItem;
-import net.minecraft.init.Blocks;
+import net.minecraft.entity.item.ItemEntity;
 import net.minecraft.item.Item;
 import net.minecraft.item.ItemStack;
+import net.minecraft.resources.*;
+import net.minecraft.util.ResourceLocation;
+import net.minecraft.util.Unit;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.world.World;
+import net.minecraft.world.storage.loot.*;
 
 import java.util.*;
+import java.util.concurrent.CompletableFuture;
 import java.util.stream.Collectors;
 
 import static baritone.api.pathing.movement.ActionCosts.COST_INF;
@@ -67,6 +69,9 @@ public final class MineProcess extends BaritoneProcessHelper implements IMinePro
     private int desiredQuantity;
     private int tickCount;
 
+    private static LootTableManager manager;
+    private static Map<Block, List<Item>> drops = new HashMap<>();
+
     public MineProcess(Baritone baritone) {
         super(baritone);
     }
@@ -79,11 +84,11 @@ public final class MineProcess extends BaritoneProcessHelper implements IMinePro
     @Override
     public PathingCommand onTick(boolean calcFailed, boolean isSafeToCancel) {
         if (desiredQuantity > 0) {
-            Item item = mining.get(0).getItemDropped(mining.get(0).getDefaultState(), new Random(), 0);
-            int curr = ctx.player().inventory.mainInventory.stream().filter(stack -> item.equals(stack.getItem())).mapToInt(ItemStack::getCount).sum();
+            List<Item> item = drops(mining.get(0));
+            int curr = ctx.player().inventory.mainInventory.stream().filter(stack -> item.contains(stack.getItem())).mapToInt(ItemStack::getCount).sum();
             System.out.println("Currently have " + curr + " " + item);
             if (curr >= desiredQuantity) {
-                logDirect("Have " + curr + " " + item.getItemStackDisplayName(new ItemStack(item, 1)));
+                logDirect("Have " + curr);
                 cancel();
                 return null;
             }
@@ -91,7 +96,7 @@ public final class MineProcess extends BaritoneProcessHelper implements IMinePro
         if (calcFailed) {
             if (!knownOreLocations.isEmpty() && Baritone.settings().blacklistClosestOnFailure.value) {
                 logDirect("Unable to find any path to " + mining + ", blacklisting presumably unreachable closest instance...");
-                knownOreLocations.stream().min(Comparator.comparingDouble(ctx.player()::getDistanceSq)).ifPresent(blacklist::add);
+                knownOreLocations.stream().min(Comparator.comparingDouble(ctx.playerFeet()::distanceSq)).ifPresent(blacklist::add);
                 knownOreLocations.removeIf(blacklist::contains);
             } else {
                 logDirect("Unable to find any path to " + mining + ", canceling Mine");
@@ -116,12 +121,12 @@ public final class MineProcess extends BaritoneProcessHelper implements IMinePro
         Optional<BlockPos> shaft = curr.stream()
                 .filter(pos -> pos.getX() == ctx.playerFeet().getX() && pos.getZ() == ctx.playerFeet().getZ())
                 .filter(pos -> pos.getY() >= ctx.playerFeet().getY())
-                .filter(pos -> !(BlockStateInterface.get(ctx, pos).getBlock() instanceof BlockAir)) // after breaking a block, it takes mineGoalUpdateInterval ticks for it to actually update this list =(
-                .min(Comparator.comparingDouble(ctx.player()::getDistanceSq));
+                .filter(pos -> !(BlockStateInterface.get(ctx, pos).getBlock() instanceof AirBlock)) // after breaking a block, it takes mineGoalUpdateInterval ticks for it to actually update this list =(
+                .min(Comparator.comparingDouble(ctx.playerFeet()::distanceSq));
         baritone.getInputOverrideHandler().clearAllKeys();
         if (shaft.isPresent() && ctx.player().onGround) {
             BlockPos pos = shaft.get();
-            IBlockState state = baritone.bsi.get0(pos);
+            BlockState state = baritone.bsi.get0(pos);
             if (!MovementHelper.avoidBreaking(baritone.bsi, pos.getX(), pos.getY(), pos.getZ(), state)) {
                 Optional<Rotation> rot = RotationUtils.reachable(ctx, pos);
                 if (rot.isPresent() && isSafeToCancel) {
@@ -144,6 +149,35 @@ public final class MineProcess extends BaritoneProcessHelper implements IMinePro
         return command;
     }
 
+    public static LootTableManager getManager() {
+        if (manager == null) {
+            ResourcePackList rpl = new ResourcePackList<>(ResourcePackInfo::new);
+            rpl.addPackFinder(new ServerPackFinder());
+            rpl.reloadPacksFromFinders();
+            IResourcePack thePack = ((ResourcePackInfo) rpl.getAllPacks().iterator().next()).getResourcePack();
+            IReloadableResourceManager resourceManager = new SimpleReloadableResourceManager(ResourcePackType.SERVER_DATA, null);
+            manager = new LootTableManager();
+            resourceManager.addReloadListener(manager);
+            try {
+                resourceManager.reloadResourcesAndThen(Baritone.getExecutor(), Baritone.getExecutor(), Collections.singletonList(thePack), CompletableFuture.completedFuture(Unit.INSTANCE)).get();
+            } catch (Exception exception) {
+                throw new RuntimeException(exception);
+            }
+        }
+        return manager;
+    }
+
+    private static List<Item> drops(Block b) {
+        return drops.computeIfAbsent(b, block -> {
+            ResourceLocation lootTableLocation = block.getLootTable();
+            if (lootTableLocation == LootTables.EMPTY) {
+                return Collections.emptyList();
+            } else {
+                return getManager().getLootTableFromLocation(lootTableLocation).generate(new LootContext.Builder(null).withRandom(new Random()).withParameter(LootParameters.POSITION, BlockPos.ZERO).withParameter(LootParameters.TOOL, ItemStack.EMPTY).withNullableParameter(LootParameters.BLOCK_ENTITY, null).withParameter(LootParameters.BLOCK_STATE, block.getDefaultState()).build(LootParameterSets.BLOCK)).stream().map(ItemStack::getItem).collect(Collectors.toList());
+            }
+        });
+    }
+
     @Override
     public void onLostControl() {
         mine(0, (Block[]) null);
@@ -216,14 +250,14 @@ public final class MineProcess extends BaritoneProcessHelper implements IMinePro
             return true;
         }
         Block block = BlockStateInterface.getBlock(ctx, pos);
-        if (Baritone.settings().internalMiningAirException.value && block instanceof BlockAir) {
+        if (Baritone.settings().internalMiningAirException.value && block instanceof AirBlock) {
             return true;
         }
         return mining.contains(block);
     }
 
     private Goal coalesce(BlockPos loc, List<BlockPos> locs) {
-        boolean assumeVerticalShaftMine = !(baritone.bsi.get0(loc.up()).getBlock() instanceof BlockFalling);
+        boolean assumeVerticalShaftMine = !(baritone.bsi.get0(loc.up()).getBlock() instanceof FallingBlock);
         if (!Baritone.settings().forceInternalMining.value) {
             if (assumeVerticalShaftMine) {
                 // we can get directly below the block
@@ -284,21 +318,20 @@ public final class MineProcess extends BaritoneProcessHelper implements IMinePro
         }
     }
 
+
     public static List<BlockPos> droppedItemsScan(List<Block> mining, World world) {
         if (!Baritone.settings().mineScanDroppedItems.value) {
             return Collections.emptyList();
         }
         Set<Item> searchingFor = new HashSet<>();
         for (Block block : mining) {
-            Item drop = block.getItemDropped(block.getDefaultState(), new Random(), 0);
-            Item ore = Item.getItemFromBlock(block);
-            searchingFor.add(drop);
-            searchingFor.add(ore);
+            searchingFor.addAll(drops(block));
+            searchingFor.add(block.asItem());
         }
         List<BlockPos> ret = new ArrayList<>();
-        for (Entity entity : world.loadedEntityList) {
-            if (entity instanceof EntityItem) {
-                EntityItem ei = (EntityItem) entity;
+        for (Entity entity : ((ClientWorld) world).getAllEntities()) {
+            if (entity instanceof ItemEntity) {
+                ItemEntity ei = (ItemEntity) entity;
                 if (searchingFor.contains(ei.getItem().getItem())) {
                     ret.add(new BlockPos(entity));
                 }
@@ -374,7 +407,7 @@ public final class MineProcess extends BaritoneProcessHelper implements IMinePro
 
                 .filter(pos -> !blacklist.contains(pos))
 
-                .sorted(Comparator.comparingDouble(ctx.getBaritone().getPlayerContext().player()::getDistanceSq))
+                .sorted(Comparator.comparingDouble(new BlockPos(ctx.getBaritone().getPlayerContext().player())::distanceSq))
                 .collect(Collectors.toList());
 
         if (locs.size() > max) {

src/main/java/baritone/utils/BaritoneAutoTest.java

@@ -24,14 +24,24 @@ import baritone.api.pathing.goals.Goal;
 import baritone.api.pathing.goals.GoalBlock;
 import baritone.api.utils.Helper;
 import baritone.api.utils.IPlayerContext;
+import net.minecraft.client.GameSettings;
 import net.minecraft.client.Minecraft;
-import net.minecraft.client.gui.GuiMainMenu;
-import net.minecraft.client.settings.GameSettings;
+import net.minecraft.client.gui.screen.MainMenuScreen;
+import net.minecraft.client.settings.AmbientOcclusionStatus;
+import net.minecraft.client.settings.CloudOption;
+import net.minecraft.client.settings.ParticleStatus;
 import net.minecraft.client.tutorial.TutorialSteps;
+import net.minecraft.server.integrated.IntegratedServer;
+import net.minecraft.util.HTTPUtil;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.world.GameType;
 import net.minecraft.world.WorldSettings;
 import net.minecraft.world.WorldType;
+import net.minecraft.world.dimension.DimensionType;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Files;
 
 /**
  * Responsible for automatically testing Baritone's pathing algorithm by automatically creating a world with a specific
@@ -62,38 +72,44 @@ public class BaritoneAutoTest implements AbstractGameEventListener, Helper {
         System.out.println("Optimizing Game Settings");
 
         GameSettings s = mc.gameSettings;
-        s.limitFramerate = 20;
+        s.framerateLimit = 20;
         s.mipmapLevels = 0;
-        s.particleSetting = 2;
+        s.particles = ParticleStatus.MINIMAL;
         s.overrideWidth = 128;
         s.overrideHeight = 128;
         s.heldItemTooltips = false;
         s.entityShadows = false;
         s.chatScale = 0.0F;
-        s.ambientOcclusion = 0;
-        s.clouds = 0;
+        s.ambientOcclusionStatus = AmbientOcclusionStatus.OFF;
+        s.cloudOption = CloudOption.OFF;
         s.fancyGraphics = false;
         s.tutorialStep = TutorialSteps.NONE;
         s.hideGUI = true;
-        s.fovSetting = 30.0F;
+        s.fov = 30.0F;
     }
 
     @Override
     public void onTick(TickEvent event) {
         IPlayerContext ctx = BaritoneAPI.getProvider().getPrimaryBaritone().getPlayerContext();
         // If we're on the main menu then create the test world and launch the integrated server
-        if (mc.currentScreen instanceof GuiMainMenu) {
+        if (mc.currentScreen instanceof MainMenuScreen) {
             System.out.println("Beginning Baritone automatic test routine");
             mc.displayGuiScreen(null);
             WorldSettings worldsettings = new WorldSettings(TEST_SEED, GameType.getByName("survival"), true, false, WorldType.DEFAULT);
             mc.launchIntegratedServer("BaritoneAutoTest", "BaritoneAutoTest", worldsettings);
         }
 
+        IntegratedServer server = mc.getIntegratedServer();
+
         // If the integrated server is launched and the world has initialized, set the spawn point
         // to our defined starting position
-        if (mc.getIntegratedServer() != null && mc.getIntegratedServer().worlds[0] != null) {
-            mc.getIntegratedServer().worlds[0].setSpawnPoint(STARTING_POSITION);
-            mc.getIntegratedServer().worlds[0].getGameRules().setOrCreateGameRule("spawnRadius", "0");
+        if (server != null && server.getWorld(DimensionType.OVERWORLD) != null) {
+            server.getWorld(DimensionType.OVERWORLD).setSpawnPoint(STARTING_POSITION);
+            server.getCommandManager().handleCommand(server.getCommandSource(), "/difficulty peaceful");
+            int result = server.getCommandManager().handleCommand(server.getCommandSource(), "/gamerule spawnRadius 0");
+            if (result != 0) {
+                throw new IllegalStateException(result + "");
+            }
         }
 
         if (event.getType() == TickEvent.Type.IN) { // If we're in-game
@@ -101,7 +117,7 @@ public class BaritoneAutoTest implements AbstractGameEventListener, Helper {
             // Force the integrated server to share the world to LAN so that
             // the ingame pause menu gui doesn't actually pause our game
             if (mc.isSingleplayer() && !mc.getIntegratedServer().getPublic()) {
-                mc.getIntegratedServer().shareToLAN(GameType.getByName("survival"), false);
+                mc.getIntegratedServer().shareToLAN(GameType.getByName("survival"), false, HTTPUtil.getSuitableLanPort());
             }
 
             // For the first 200 ticks, wait for the world to generate
@@ -123,7 +139,16 @@ public class BaritoneAutoTest implements AbstractGameEventListener, Helper {
             // If we have reached our goal, print a message and safely close the game
             if (GOAL.isInGoal(ctx.playerFeet())) {
                 System.out.println("Successfully pathed to " + ctx.playerFeet() + " in " + event.getCount() + " ticks");
+                try {
+                    File file = new File("success");
+                    System.out.println("Writing success to " + file.getAbsolutePath());
+                    Files.write(file.getAbsoluteFile().toPath(), "Success!".getBytes());
+                } catch (IOException e) {
+                    e.printStackTrace();
+                }
                 mc.shutdown();
+                mc.shutdownMinecraftApplet();
+                System.exit(0);
             }
 
             // If we have exceeded the expected number of ticks to complete the pathing

src/main/java/baritone/utils/BlockBreakHelper.java

@@ -19,9 +19,10 @@ package baritone.utils;
 
 import baritone.api.utils.Helper;
 import baritone.api.utils.IPlayerContext;
-import net.minecraft.util.EnumFacing;
-import net.minecraft.util.EnumHand;
+import net.minecraft.util.Direction;
+import net.minecraft.util.Hand;
 import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.BlockRayTraceResult;
 import net.minecraft.util.math.RayTraceResult;
 
 /**
@@ -38,9 +39,9 @@ public final class BlockBreakHelper implements Helper {
         this.playerContext = playerContext;
     }
 
-    private void tryBreakBlock(BlockPos pos, EnumFacing side) {
+    private void tryBreakBlock(BlockPos pos, Direction side) {
         if (playerContext.playerController().onPlayerDamageBlock(pos, side)) {
-            playerContext.player().swingArm(EnumHand.MAIN_HAND);
+            playerContext.player().swingArm(Hand.MAIN_HAND);
         }
     }
 
@@ -54,10 +55,10 @@ public final class BlockBreakHelper implements Helper {
 
     public void tick(boolean isLeftClick) {
         RayTraceResult trace = playerContext.objectMouseOver();
-        boolean isBlockTrace = trace != null && trace.typeOfHit == RayTraceResult.Type.BLOCK;
+        boolean isBlockTrace = trace != null && trace.getType() == RayTraceResult.Type.BLOCK;
 
         if (isLeftClick && isBlockTrace) {
-            tryBreakBlock(trace.getBlockPos(), trace.sideHit);
+            tryBreakBlock(((BlockRayTraceResult) trace).getPos(), ((BlockRayTraceResult) trace).getFace());
             didBreakLastTick = true;
         } else if (didBreakLastTick) {
             stopBreakingBlock();

src/main/java/baritone/utils/BlockPlaceHelper.java

@@ -20,8 +20,9 @@ package baritone.utils;
 import baritone.Baritone;
 import baritone.api.utils.Helper;
 import baritone.api.utils.IPlayerContext;
-import net.minecraft.util.EnumActionResult;
-import net.minecraft.util.EnumHand;
+import net.minecraft.util.ActionResultType;
+import net.minecraft.util.Hand;
+import net.minecraft.util.math.BlockRayTraceResult;
 import net.minecraft.util.math.RayTraceResult;
 
 public class BlockPlaceHelper implements Helper {
@@ -38,16 +39,16 @@ public class BlockPlaceHelper implements Helper {
             return;
         }
         RayTraceResult mouseOver = ctx.objectMouseOver();
-        if (!rightClickRequested || ctx.player().isRowingBoat() || mouseOver == null || mouseOver.getBlockPos() == null || mouseOver.typeOfHit != RayTraceResult.Type.BLOCK) {
+        if (!rightClickRequested || ctx.player().isRowingBoat() || mouseOver == null || mouseOver.getType() != RayTraceResult.Type.BLOCK) {
             return;
         }
         rightClickTimer = Baritone.settings().rightClickSpeed.value;
-        for (EnumHand hand : EnumHand.values()) {
-            if (ctx.playerController().processRightClickBlock(ctx.player(), ctx.world(), mouseOver.getBlockPos(), mouseOver.sideHit, mouseOver.hitVec, hand) == EnumActionResult.SUCCESS) {
+        for (Hand hand : Hand.values()) {
+            if (ctx.playerController().processRightClickBlock(ctx.player(), ctx.world(), hand, (BlockRayTraceResult) mouseOver) == ActionResultType.SUCCESS) {
                 ctx.player().swingArm(hand);
                 return;
             }
-            if (!ctx.player().getHeldItem(hand).isEmpty() && ctx.playerController().processRightClick(ctx.player(), ctx.world(), hand) == EnumActionResult.SUCCESS) {
+            if (!ctx.player().getHeldItem(hand).isEmpty() && ctx.playerController().processRightClick(ctx.player(), ctx.world(), hand) == ActionResultType.SUCCESS) {
                 return;
             }
         }

src/main/java/baritone/utils/BlockStateInterface.java

@@ -21,17 +21,17 @@ import baritone.Baritone;
 import baritone.api.utils.IPlayerContext;
 import baritone.cache.CachedRegion;
 import baritone.cache.WorldData;
-import baritone.utils.accessor.IChunkProviderClient;
-import it.unimi.dsi.fastutil.longs.Long2ObjectMap;
-import it.unimi.dsi.fastutil.longs.Long2ObjectOpenHashMap;
+import baritone.utils.accessor.IClientChunkProvider;
 import net.minecraft.block.Block;
-import net.minecraft.block.state.IBlockState;
+import net.minecraft.block.BlockState;
+import net.minecraft.block.Blocks;
 import net.minecraft.client.Minecraft;
-import net.minecraft.init.Blocks;
+import net.minecraft.client.multiplayer.ClientChunkProvider;
 import net.minecraft.util.math.BlockPos;
-import net.minecraft.util.math.ChunkPos;
 import net.minecraft.world.World;
 import net.minecraft.world.chunk.Chunk;
+import net.minecraft.world.chunk.ChunkSection;
+import net.minecraft.world.chunk.ChunkStatus;
 
 /**
  * Wraps get for chuck caching capability
@@ -40,7 +40,7 @@ import net.minecraft.world.chunk.Chunk;
  */
 public class BlockStateInterface {
 
-    private final Long2ObjectMap<Chunk> loadedChunks;
+    private final ClientChunkProvider provider;
     private final WorldData worldData;
 
     private Chunk prev = null;
@@ -48,7 +48,7 @@ public class BlockStateInterface {
 
     private final boolean useTheRealWorld;
 
-    private static final IBlockState AIR = Blocks.AIR.getDefaultState();
+    private static final BlockState AIR = Blocks.AIR.getDefaultState();
 
     public BlockStateInterface(IPlayerContext ctx) {
         this(ctx, false);
@@ -60,37 +60,36 @@ public class BlockStateInterface {
 
     public BlockStateInterface(World world, WorldData worldData, boolean copyLoadedChunks) {
         this.worldData = worldData;
-        Long2ObjectMap<Chunk> worldLoaded = ((IChunkProviderClient) world.getChunkProvider()).loadedChunks();
         if (copyLoadedChunks) {
-            this.loadedChunks = new Long2ObjectOpenHashMap<>(worldLoaded); // make a copy that we can safely access from another thread
+            this.provider = ((IClientChunkProvider) world.getChunkProvider()).createThreadSafeCopy();
         } else {
-            this.loadedChunks = worldLoaded; // this will only be used on the main thread
+            this.provider = (ClientChunkProvider) world.getChunkProvider();
         }
         this.useTheRealWorld = !Baritone.settings().pathThroughCachedOnly.value;
-        if (!Minecraft.getMinecraft().isCallingFromMinecraftThread()) {
+        if (!Minecraft.getInstance().isOnExecutionThread()) {
             throw new IllegalStateException();
         }
     }
 
     public boolean worldContainsLoadedChunk(int blockX, int blockZ) {
-        return loadedChunks.containsKey(ChunkPos.asLong(blockX >> 4, blockZ >> 4));
+        return provider.chunkExists(blockX >> 4, blockZ >> 4);
     }
 
     public static Block getBlock(IPlayerContext ctx, BlockPos pos) { // won't be called from the pathing thread because the pathing thread doesn't make a single blockpos pog
         return get(ctx, pos).getBlock();
     }
 
-    public static IBlockState get(IPlayerContext ctx, BlockPos pos) {
+    public static BlockState get(IPlayerContext ctx, BlockPos pos) {
         return new BlockStateInterface(ctx).get0(pos.getX(), pos.getY(), pos.getZ()); // immense iq
         // can't just do world().get because that doesn't work for out of bounds
         // and toBreak and stuff fails when the movement is instantiated out of load range but it's not able to BlockStateInterface.get what it's going to walk on
     }
 
-    public IBlockState get0(BlockPos pos) {
+    public BlockState get0(BlockPos pos) {
         return get0(pos.getX(), pos.getY(), pos.getZ());
     }
 
-    public IBlockState get0(int x, int y, int z) { // Mickey resigned
+    public BlockState get0(int x, int y, int z) { // Mickey resigned
 
         // Invalid vertical position
         if (y < 0 || y >= 256) {
@@ -105,14 +104,13 @@ public class BlockStateInterface {
             // we can just skip the mc.world.getChunk lookup
             // which is a Long2ObjectOpenHashMap.get
             // see issue #113
-            if (cached != null && cached.x == x >> 4 && cached.z == z >> 4) {
-                return cached.getBlockState(x, y, z);
+            if (cached != null && cached.getPos().x == x >> 4 && cached.getPos().z == z >> 4) {
+                return getFromChunk(cached, x, y, z);
             }
-            Chunk chunk = loadedChunks.get(ChunkPos.asLong(x >> 4, z >> 4));
-
-            if (chunk != null && chunk.isLoaded()) {
+            Chunk chunk = provider.getChunk(x >> 4, z >> 4, ChunkStatus.FULL, false);
+            if (chunk != null && !chunk.isEmpty()) {
                 prev = chunk;
-                return chunk.getBlockState(x, y, z);
+                return getFromChunk(chunk, x, y, z);
             }
         }
         // same idea here, skip the Long2ObjectOpenHashMap.get if at all possible
@@ -129,7 +127,7 @@ public class BlockStateInterface {
             prevCached = region;
             cached = region;
         }
-        IBlockState type = cached.getBlock(x & 511, y, z & 511);
+        BlockState type = cached.getBlock(x & 511, y, z & 511);
         if (type == null) {
             return AIR;
         }
@@ -138,11 +136,11 @@ public class BlockStateInterface {
 
     public boolean isLoaded(int x, int z) {
         Chunk prevChunk = prev;
-        if (prevChunk != null && prevChunk.x == x >> 4 && prevChunk.z == z >> 4) {
+        if (prevChunk != null && prevChunk.getPos().x == x >> 4 && prevChunk.getPos().z == z >> 4) {
             return true;
         }
-        prevChunk = loadedChunks.get(ChunkPos.asLong(x >> 4, z >> 4));
-        if (prevChunk != null && prevChunk.isLoaded()) {
+        prevChunk = provider.getChunk(x >> 4, z >> 4, ChunkStatus.FULL, false);
+        if (prevChunk != null && !prevChunk.isEmpty()) {
             prev = prevChunk;
             return true;
         }
@@ -160,4 +158,13 @@ public class BlockStateInterface {
         prevCached = prevRegion;
         return prevRegion.isCached(x & 511, z & 511);
     }
+
+    // get the block at x,y,z from this chunk WITHOUT creating a single blockpos object
+    public static BlockState getFromChunk(Chunk chunk, int x, int y, int z) {
+        ChunkSection section = chunk.getSections()[y >> 4];
+        if (ChunkSection.isEmpty(section)) {
+            return AIR;
+        }
+        return section.getBlockState(x & 15, y & 15, z & 15);
+    }
 }

src/main/java/baritone/utils/GuiClick.java

@@ -22,16 +22,15 @@ import baritone.api.BaritoneAPI;
 import baritone.api.pathing.goals.GoalBlock;
 import baritone.api.pathing.goals.GoalTwoBlocks;
 import baritone.api.utils.BetterBlockPos;
-import net.minecraft.client.gui.GuiScreen;
-import net.minecraft.client.renderer.GlStateManager;
+import baritone.api.utils.Helper;
+import com.mojang.blaze3d.platform.GlStateManager;
+import net.minecraft.client.entity.player.ClientPlayerEntity;
+import net.minecraft.client.gui.screen.Screen;
 import net.minecraft.entity.Entity;
-import net.minecraft.util.math.AxisAlignedBB;
-import net.minecraft.util.math.BlockPos;
-import net.minecraft.util.math.RayTraceResult;
-import net.minecraft.util.math.Vec3d;
+import net.minecraft.util.math.*;
+import net.minecraft.util.text.StringTextComponent;
 import org.lwjgl.BufferUtils;
-import org.lwjgl.input.Mouse;
-import org.lwjgl.util.glu.GLU;
+import org.lwjgl.opengl.GL11;
 
 import java.awt.*;
 import java.nio.FloatBuffer;
@@ -40,7 +39,7 @@ import java.util.Collections;
 
 import static org.lwjgl.opengl.GL11.*;
 
-public class GuiClick extends GuiScreen {
+public class GuiClick extends Screen implements Helper {
 
     // My name is Brady and I grant leijurv permission to use this pasted code
     private final FloatBuffer MODELVIEW = BufferUtils.createFloatBuffer(16);
@@ -51,28 +50,37 @@ public class GuiClick extends GuiScreen {
     private BlockPos clickStart;
     private BlockPos currentMouseOver;
 
+    public GuiClick() {
+        super(new StringTextComponent("CLICK"));
+    }
+
     @Override
-    public boolean doesGuiPauseGame() {
+    public boolean isPauseScreen() {
         return false;
     }
 
     @Override
-    public void drawScreen(int mouseX, int mouseY, float partialTicks) {
-        int mx = Mouse.getX();
-        int my = Mouse.getY();
+    public void render(int mouseX, int mouseY, float partialTicks) {
+        double mx = mc.mouseHelper.getMouseX();
+        double my = mc.mouseHelper.getMouseY();
+        my = mc.mainWindow.getHeight() - my;
+        my *= mc.mainWindow.getFramebufferHeight() / (double) mc.mainWindow.getHeight();
+        mx *= mc.mainWindow.getFramebufferWidth() / (double) mc.mainWindow.getWidth();
         Vec3d near = toWorld(mx, my, 0);
         Vec3d far = toWorld(mx, my, 1); // "Use 0.945 that's what stack overflow says" - leijurv
         if (near != null && far != null) {
-            Vec3d viewerPos = new Vec3d(mc.getRenderManager().viewerPosX, mc.getRenderManager().viewerPosY, mc.getRenderManager().viewerPosZ);
-            RayTraceResult result = mc.world.rayTraceBlocks(near.add(viewerPos), far.add(viewerPos), false, false, true);
-            if (result != null && result.typeOfHit == RayTraceResult.Type.BLOCK) {
-                currentMouseOver = result.getBlockPos();
+            ///
+            Vec3d viewerPos = new Vec3d(PathRenderer.posX(), PathRenderer.posY(), PathRenderer.posZ());
+            ClientPlayerEntity player = BaritoneAPI.getProvider().getPrimaryBaritone().getPlayerContext().player();
+            RayTraceResult result = player.world.rayTraceBlocks(new RayTraceContext(near.add(viewerPos), far.add(viewerPos), RayTraceContext.BlockMode.OUTLINE, RayTraceContext.FluidMode.NONE, player));
+            if (result != null && result.getType() == RayTraceResult.Type.BLOCK) {
+                currentMouseOver = ((BlockRayTraceResult) result).getPos();
             }
         }
     }
 
     @Override
-    protected void mouseReleased(int mouseX, int mouseY, int mouseButton) {
+    public boolean mouseReleased(double mouseX, double mouseY, int mouseButton) {
         if (mouseButton == 0) {
             if (clickStart != null && !clickStart.equals(currentMouseOver)) {
                 ((Baritone) BaritoneAPI.getProvider().getPrimaryBaritone()).getBuilderProcess().clearArea(clickStart, currentMouseOver);
@@ -84,17 +92,19 @@ public class GuiClick extends GuiScreen {
             BaritoneAPI.getProvider().getPrimaryBaritone().getCustomGoalProcess().setGoalAndPath(new GoalBlock(currentMouseOver.up()));
         }
         clickStart = null;
+        return super.mouseReleased(mouseX, mouseY, mouseButton);
     }
 
     @Override
-    protected void mouseClicked(int mouseX, int mouseY, int mouseButton) {
+    public boolean mouseClicked(double mouseX, double mouseY, int mouseButton) {
         clickStart = currentMouseOver;
+        return super.mouseClicked(mouseX, mouseY, mouseButton);
     }
 
     public void onRender() {
-        GlStateManager.getFloat(GL_MODELVIEW_MATRIX, (FloatBuffer) MODELVIEW.clear());
-        GlStateManager.getFloat(GL_PROJECTION_MATRIX, (FloatBuffer) PROJECTION.clear());
-        GlStateManager.glGetInteger(GL_VIEWPORT, (IntBuffer) VIEWPORT.clear());
+        GlStateManager.getMatrix(GL_MODELVIEW_MATRIX, (FloatBuffer) MODELVIEW.clear());
+        GlStateManager.getMatrix(GL_PROJECTION_MATRIX, (FloatBuffer) PROJECTION.clear());
+        GL11.glGetIntegerv(GL_VIEWPORT, (IntBuffer) VIEWPORT.clear());
 
         if (currentMouseOver != null) {
             Entity e = mc.getRenderViewEntity();
@@ -102,29 +112,213 @@ public class GuiClick extends GuiScreen {
             PathRenderer.drawManySelectionBoxes(e, Collections.singletonList(currentMouseOver), Color.CYAN);
             if (clickStart != null && !clickStart.equals(currentMouseOver)) {
                 GlStateManager.enableBlend();
-                GlStateManager.tryBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ZERO);
-                GlStateManager.color(Color.RED.getColorComponents(null)[0], Color.RED.getColorComponents(null)[1], Color.RED.getColorComponents(null)[2], 0.4F);
-                GlStateManager.glLineWidth(Baritone.settings().pathRenderLineWidthPixels.value);
-                GlStateManager.disableTexture2D();
+                GlStateManager.blendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ZERO);
+                GlStateManager.color4f(Color.RED.getColorComponents(null)[0], Color.RED.getColorComponents(null)[1], Color.RED.getColorComponents(null)[2], 0.4F);
+                GlStateManager.lineWidth(Baritone.settings().pathRenderLineWidthPixels.value);
+                GlStateManager.disableTexture();
                 GlStateManager.depthMask(false);
-                GlStateManager.disableDepth();
+                GlStateManager.disableDepthTest();
                 BetterBlockPos a = new BetterBlockPos(currentMouseOver);
                 BetterBlockPos b = new BetterBlockPos(clickStart);
                 PathRenderer.drawAABB(new AxisAlignedBB(Math.min(a.x, b.x), Math.min(a.y, b.y), Math.min(a.z, b.z), Math.max(a.x, b.x) + 1, Math.max(a.y, b.y) + 1, Math.max(a.z, b.z) + 1));
-                GlStateManager.enableDepth();
+                GlStateManager.enableDepthTest();
 
                 GlStateManager.depthMask(true);
-                GlStateManager.enableTexture2D();
+                GlStateManager.enableTexture();
                 GlStateManager.disableBlend();
             }
         }
     }
 
     private Vec3d toWorld(double x, double y, double z) {
-        boolean result = GLU.gluUnProject((float) x, (float) y, (float) z, MODELVIEW, PROJECTION, VIEWPORT, (FloatBuffer) TO_WORLD_BUFFER.clear());
+        boolean result = gluUnProject((float) x, (float) y, (float) z, MODELVIEW, PROJECTION, VIEWPORT, (FloatBuffer) TO_WORLD_BUFFER.clear());
         if (result) {
             return new Vec3d(TO_WORLD_BUFFER.get(0), TO_WORLD_BUFFER.get(1), TO_WORLD_BUFFER.get(2));
         }
         return null;
     }
+
+    // skidded from lwjgl2 :ok_hand:
+    // its uhhhhh mit license so its ok
+    // here is the uhh license
+    /*
+     * Copyright (c) 2002-2007 Lightweight Java Game Library Project
+     * All rights reserved.
+     *
+     * Redistribution and use in source and binary forms, with or without
+     * modification, are permitted provided that the following conditions are
+     * met:
+     *
+     * * Redistributions of source code must retain the above copyright
+     *   notice, this list of conditions and the following disclaimer.
+     *
+     * * Redistributions in binary form must reproduce the above copyright
+     *   notice, this list of conditions and the following disclaimer in the
+     *   documentation and/or other materials provided with the distribution.
+     *
+     * * Neither the name of 'Light Weight Java Game Library' nor the names of
+     *   its contributors may be used to endorse or promote products derived
+     *   from this software without specific prior written permission.
+     *
+     * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+     * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+     * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+     * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+     * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+     * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+     * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+     * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+     * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+     * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+     * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+     */
+
+    public static boolean gluUnProject(
+            float winx,
+            float winy,
+            float winz,
+            FloatBuffer modelMatrix,
+            FloatBuffer projMatrix,
+            IntBuffer viewport,
+            FloatBuffer obj_pos) {
+        FloatBuffer finalMatrix = BufferUtils.createFloatBuffer(16);
+        float[] in = new float[4];
+        float[] out = new float[4];
+
+        __gluMultMatricesf(modelMatrix, projMatrix, finalMatrix);
+
+        if (!__gluInvertMatrixf(finalMatrix, finalMatrix))
+            return false;
+
+        in[0] = winx;
+        in[1] = winy;
+        in[2] = winz;
+        in[3] = 1.0f;
+
+        // Map x and y from window coordinates
+        in[0] = (in[0] - viewport.get(viewport.position() + 0)) / viewport.get(viewport.position() + 2);
+        in[1] = (in[1] - viewport.get(viewport.position() + 1)) / viewport.get(viewport.position() + 3);
+
+        // Map to range -1 to 1
+        in[0] = in[0] * 2 - 1;
+        in[1] = in[1] * 2 - 1;
+        in[2] = in[2] * 2 - 1;
+
+        __gluMultMatrixVecf(finalMatrix, in, out);
+
+        if (out[3] == 0.0)
+            return false;
+
+        out[3] = 1.0f / out[3];
+
+        obj_pos.put(obj_pos.position() + 0, out[0] * out[3]);
+        obj_pos.put(obj_pos.position() + 1, out[1] * out[3]);
+        obj_pos.put(obj_pos.position() + 2, out[2] * out[3]);
+
+        return true;
+    }
+
+    private static void __gluMultMatrixVecf(FloatBuffer m, float[] in, float[] out) {
+        for (int i = 0; i < 4; i++) {
+            out[i] =
+                    in[0] * m.get(m.position() + 0 * 4 + i)
+                            + in[1] * m.get(m.position() + 1 * 4 + i)
+                            + in[2] * m.get(m.position() + 2 * 4 + i)
+                            + in[3] * m.get(m.position() + 3 * 4 + i);
+
+        }
+    }
+
+    private static void __gluMultMatricesf(FloatBuffer a, FloatBuffer b, FloatBuffer r) {
+        for (int i = 0; i < 4; i++) {
+            for (int j = 0; j < 4; j++) {
+                r.put(r.position() + i * 4 + j,
+                        a.get(a.position() + i * 4 + 0) * b.get(b.position() + 0 * 4 + j) + a.get(a.position() + i * 4 + 1) * b.get(b.position() + 1 * 4 + j) + a.get(a.position() + i * 4 + 2) * b.get(b.position() + 2 * 4 + j) + a.get(a.position() + i * 4 + 3) * b.get(b.position() + 3 * 4 + j));
+            }
+        }
+    }
+
+    private static boolean __gluInvertMatrixf(FloatBuffer src, FloatBuffer inverse) {
+        int i, j, k, swap;
+        float t;
+        FloatBuffer temp = BufferUtils.createFloatBuffer(16);
+
+
+        for (i = 0; i < 16; i++) {
+            temp.put(i, src.get(i + src.position()));
+        }
+        __gluMakeIdentityf(inverse);
+
+        for (i = 0; i < 4; i++) {
+            /*
+             * * Look for largest element in column
+             */
+            swap = i;
+            for (j = i + 1; j < 4; j++) {
+                /*
+                 * if (fabs(temp[j][i]) > fabs(temp[i][i])) { swap = j;
+                 */
+                if (Math.abs(temp.get(j * 4 + i)) > Math.abs(temp.get(i * 4 + i))) {
+                    swap = j;
+                }
+            }
+
+            if (swap != i) {
+                /*
+                 * * Swap rows.
+                 */
+                for (k = 0; k < 4; k++) {
+                    t = temp.get(i * 4 + k);
+                    temp.put(i * 4 + k, temp.get(swap * 4 + k));
+                    temp.put(swap * 4 + k, t);
+
+                    t = inverse.get(i * 4 + k);
+                    inverse.put(i * 4 + k, inverse.get(swap * 4 + k));
+                    //inverse.put((i << 2) + k, inverse.get((swap << 2) + k));
+                    inverse.put(swap * 4 + k, t);
+                    //inverse.put((swap << 2) + k, t);
+                }
+            }
+
+            if (temp.get(i * 4 + i) == 0) {
+                /*
+                 * * No non-zero pivot. The matrix is singular, which shouldn't *
+                 * happen. This means the user gave us a bad matrix.
+                 */
+                return false;
+            }
+
+            t = temp.get(i * 4 + i);
+            for (k = 0; k < 4; k++) {
+                temp.put(i * 4 + k, temp.get(i * 4 + k) / t);
+                inverse.put(i * 4 + k, inverse.get(i * 4 + k) / t);
+            }
+            for (j = 0; j < 4; j++) {
+                if (j != i) {
+                    t = temp.get(j * 4 + i);
+                    for (k = 0; k < 4; k++) {
+                        temp.put(j * 4 + k, temp.get(j * 4 + k) - temp.get(i * 4 + k) * t);
+                        inverse.put(j * 4 + k, inverse.get(j * 4 + k) - inverse.get(i * 4 + k) * t);
+						/*inverse.put(
+							(j << 2) + k,
+							inverse.get((j << 2) + k) - inverse.get((i << 2) + k) * t);*/
+                    }
+                }
+            }
+        }
+        return true;
+    }
+
+    private static final float[] IDENTITY_MATRIX =
+            new float[]{
+                    1.0f, 0.0f, 0.0f, 0.0f,
+                    0.0f, 1.0f, 0.0f, 0.0f,
+                    0.0f, 0.0f, 1.0f, 0.0f,
+                    0.0f, 0.0f, 0.0f, 1.0f};
+
+    private static void __gluMakeIdentityf(FloatBuffer m) {
+        int oldPos = m.position();
+        m.put(IDENTITY_MATRIX);
+        m.position(oldPos);
+    }
 }

src/main/java/baritone/utils/InputOverrideHandler.java

@@ -100,7 +100,7 @@ public final class InputOverrideHandler extends Behavior implements IInputOverri
             }
         } else {
             if (ctx.player().movementInput.getClass() == PlayerMovementInput.class) { // allow other movement inputs that aren't this one, e.g. for a freecam
-                ctx.player().movementInput = new MovementInputFromOptions(Minecraft.getMinecraft().gameSettings);
+                ctx.player().movementInput = new MovementInputFromOptions(Minecraft.getInstance().gameSettings);
             }
         }
         // only set it if it was previously incorrect
@@ -115,4 +115,4 @@ public final class InputOverrideHandler extends Behavior implements IInputOverri
     public BlockBreakHelper getBlockBreakHelper() {
         return blockBreakHelper;
     }
-}
+}

src/main/java/baritone/utils/PathRenderer.java

@@ -27,17 +27,20 @@ import baritone.api.utils.Helper;
 import baritone.api.utils.interfaces.IGoalRenderPos;
 import baritone.behavior.PathingBehavior;
 import baritone.pathing.path.PathExecutor;
-import net.minecraft.block.state.IBlockState;
+import baritone.utils.accessor.IEntityRenderManager;
+import com.mojang.blaze3d.platform.GlStateManager;
+import net.minecraft.block.BlockState;
 import net.minecraft.client.renderer.BufferBuilder;
-import net.minecraft.client.renderer.GlStateManager;
 import net.minecraft.client.renderer.Tessellator;
-import net.minecraft.client.renderer.tileentity.TileEntityBeaconRenderer;
+import net.minecraft.client.renderer.tileentity.BeaconTileEntityRenderer;
 import net.minecraft.client.renderer.vertex.DefaultVertexFormats;
 import net.minecraft.entity.Entity;
-import net.minecraft.init.Blocks;
+import net.minecraft.util.ResourceLocation;
 import net.minecraft.util.math.AxisAlignedBB;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.util.math.MathHelper;
+import net.minecraft.util.math.shapes.VoxelShape;
+import net.minecraft.util.math.shapes.VoxelShapes;
 
 import java.awt.*;
 import java.util.Collection;
@@ -52,11 +55,24 @@ import static org.lwjgl.opengl.GL11.*;
  */
 public final class PathRenderer implements Helper {
 
+    private static final ResourceLocation TEXTURE_BEACON_BEAM = new ResourceLocation("textures/entity/beacon_beam.png");
     private static final Tessellator TESSELLATOR = Tessellator.getInstance();
     private static final BufferBuilder BUFFER = TESSELLATOR.getBuffer();
 
     private PathRenderer() {}
 
+    public static double posX() {
+        return ((IEntityRenderManager) mc.getRenderManager()).renderPosX();
+    }
+
+    public static double posY() {
+        return ((IEntityRenderManager) mc.getRenderManager()).renderPosY();
+    }
+
+    public static double posZ() {
+        return ((IEntityRenderManager) mc.getRenderManager()).renderPosZ();
+    }
+
     public static void render(RenderEvent event, PathingBehavior behavior) {
         float partialTicks = event.getPartialTicks();
         Goal goal = behavior.getGoal();
@@ -64,8 +80,8 @@ public final class PathRenderer implements Helper {
             ((GuiClick) mc.currentScreen).onRender();
         }
 
-        int thisPlayerDimension = behavior.baritone.getPlayerContext().world().provider.getDimensionType().getId();
-        int currentRenderViewDimension = BaritoneAPI.getProvider().getPrimaryBaritone().getPlayerContext().world().provider.getDimensionType().getId();
+        int thisPlayerDimension = behavior.baritone.getPlayerContext().world().getDimension().getType().getId();
+        int currentRenderViewDimension = BaritoneAPI.getProvider().getPrimaryBaritone().getPlayerContext().world().getDimension().getType().getId();
 
         if (thisPlayerDimension != currentRenderViewDimension) {
             // this is a path for a bot in a different dimension, don't render it
@@ -122,14 +138,14 @@ public final class PathRenderer implements Helper {
 
     public static void drawPath(IPath path, int startIndex, Entity player, float partialTicks, Color color, boolean fadeOut, int fadeStart0, int fadeEnd0) {
         GlStateManager.enableBlend();
+        GlStateManager.blendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ZERO);
+        GlStateManager.color4f(color.getColorComponents(null)[0], color.getColorComponents(null)[1], color.getColorComponents(null)[2], 0.4F);
+        GlStateManager.lineWidth(Baritone.settings().pathRenderLineWidthPixels.value);
+        GlStateManager.disableTexture();
         GlStateManager.disableLighting();
-        GlStateManager.tryBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ZERO);
-        GlStateManager.color(color.getColorComponents(null)[0], color.getColorComponents(null)[1], color.getColorComponents(null)[2], 0.4F);
-        GlStateManager.glLineWidth(Baritone.settings().pathRenderLineWidthPixels.value);
-        GlStateManager.disableTexture2D();
         GlStateManager.depthMask(false);
         if (Baritone.settings().renderPathIgnoreDepth.value) {
-            GlStateManager.disableDepth();
+            GlStateManager.disableDepthTest();
         }
         List<BetterBlockPos> positions = path.positions();
         int next;
@@ -166,25 +182,25 @@ public final class PathRenderer implements Helper {
                     }
                     alpha = 0.4F * (1.0F - (float) (i - fadeStart) / (float) (fadeEnd - fadeStart));
                 }
-                GlStateManager.color(color.getColorComponents(null)[0], color.getColorComponents(null)[1], color.getColorComponents(null)[2], alpha);
+                GlStateManager.color4f(color.getColorComponents(null)[0], color.getColorComponents(null)[1], color.getColorComponents(null)[2], alpha);
             }
             drawLine(x1, y1, z1, x2, y2, z2);
             tessellator.draw();
         }
         if (Baritone.settings().renderPathIgnoreDepth.value) {
-            GlStateManager.enableDepth();
+            GlStateManager.enableDepthTest();
         }
         //GlStateManager.color(0.0f, 0.0f, 0.0f, 0.4f);
         GlStateManager.depthMask(true);
-        GlStateManager.enableTexture2D();
+        GlStateManager.enableTexture();
         GlStateManager.enableLighting();
         GlStateManager.disableBlend();
     }
 
     public static void drawLine(double bp1x, double bp1y, double bp1z, double bp2x, double bp2y, double bp2z) {
-        double d0 = mc.getRenderManager().viewerPosX;
-        double d1 = mc.getRenderManager().viewerPosY;
-        double d2 = mc.getRenderManager().viewerPosZ;
+        double d0 = posX();
+        double d1 = posY();
+        double d2 = posZ();
         BUFFER.begin(GL_LINE_STRIP, DefaultVertexFormats.POSITION);
         BUFFER.pos(bp1x + 0.5D - d0, bp1y + 0.5D - d1, bp1z + 0.5D - d2).endVertex();
         BUFFER.pos(bp2x + 0.5D - d0, bp2y + 0.5D - d1, bp2z + 0.5D - d2).endVertex();
@@ -195,42 +211,39 @@ public final class PathRenderer implements Helper {
 
     public static void drawManySelectionBoxes(Entity player, Collection<BlockPos> positions, Color color) {
         GlStateManager.enableBlend();
-        GlStateManager.tryBlendFuncSeparate(770, 771, 1, 0);
-        GlStateManager.color(color.getColorComponents(null)[0], color.getColorComponents(null)[1], color.getColorComponents(null)[2], 0.4F);
-        GlStateManager.glLineWidth(Baritone.settings().pathRenderLineWidthPixels.value);
-        GlStateManager.disableTexture2D();
+        GlStateManager.blendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ZERO);
+        GlStateManager.color4f(color.getColorComponents(null)[0], color.getColorComponents(null)[1], color.getColorComponents(null)[2], 0.4F);
+        GlStateManager.lineWidth(Baritone.settings().pathRenderLineWidthPixels.value);
+        GlStateManager.disableTexture();
         GlStateManager.depthMask(false);
 
         if (Baritone.settings().renderSelectionBoxesIgnoreDepth.value) {
-            GlStateManager.disableDepth();
+            GlStateManager.disableDepthTest();
         }
 
 
         //BlockPos blockpos = movingObjectPositionIn.getBlockPos();
         BlockStateInterface bsi = new BlockStateInterface(BaritoneAPI.getProvider().getPrimaryBaritone().getPlayerContext()); // TODO this assumes same dimension between primary baritone and render view? is this safe?
         positions.forEach(pos -> {
-            IBlockState state = bsi.get0(pos);
-            AxisAlignedBB toDraw;
-            if (state.getBlock().equals(Blocks.AIR)) {
-                toDraw = Blocks.DIRT.getDefaultState().getSelectedBoundingBox(player.world, pos);
-            } else {
-                toDraw = state.getSelectedBoundingBox(player.world, pos);
-            }
+            BlockState state = bsi.get0(pos);
+            VoxelShape shape = state.getShape(player.world, pos);
+            AxisAlignedBB toDraw = shape.isEmpty() ? VoxelShapes.fullCube().getBoundingBox() : shape.getBoundingBox();
+            toDraw = toDraw.offset(pos);
             drawAABB(toDraw);
         });
 
         if (Baritone.settings().renderSelectionBoxesIgnoreDepth.value) {
-            GlStateManager.enableDepth();
+            GlStateManager.enableDepthTest();
         }
 
         GlStateManager.depthMask(true);
-        GlStateManager.enableTexture2D();
+        GlStateManager.enableTexture();
         GlStateManager.disableBlend();
     }
 
     public static void drawAABB(AxisAlignedBB aabb) {
         float expand = 0.002F;
-        AxisAlignedBB toDraw = aabb.expand(expand, expand, expand).offset(-mc.getRenderManager().viewerPosX, -mc.getRenderManager().viewerPosY, -mc.getRenderManager().viewerPosZ);
+        AxisAlignedBB toDraw = aabb.expand(expand, expand, expand).offset(-posX(), -posY(), -posZ());
         BUFFER.begin(GL_LINE_STRIP, DefaultVertexFormats.POSITION);
         BUFFER.pos(toDraw.minX, toDraw.minY, toDraw.minZ).endVertex();
         BUFFER.pos(toDraw.maxX, toDraw.minY, toDraw.minZ).endVertex();
@@ -258,9 +271,9 @@ public final class PathRenderer implements Helper {
     }
 
     public static void drawDankLitGoalBox(Entity player, Goal goal, float partialTicks, Color color) {
-        double renderPosX = mc.getRenderManager().viewerPosX;
-        double renderPosY = mc.getRenderManager().viewerPosY;
-        double renderPosZ = mc.getRenderManager().viewerPosZ;
+        double renderPosX = posX();
+        double renderPosY = posY();
+        double renderPosZ = posZ();
         double minX;
         double maxX;
         double minZ;
@@ -294,26 +307,30 @@ public final class PathRenderer implements Helper {
             if (Baritone.settings().renderGoalXZBeacon.value) {
                 glPushAttrib(GL_LIGHTING_BIT);
 
-                mc.getTextureManager().bindTexture(TileEntityBeaconRenderer.TEXTURE_BEACON_BEAM);
+                mc.getTextureManager().bindTexture(TEXTURE_BEACON_BEAM);
 
                 if (Baritone.settings().renderGoalIgnoreDepth.value) {
-                    GlStateManager.disableDepth();
+                    GlStateManager.disableDepthTest();
                 }
 
-                TileEntityBeaconRenderer.renderBeamSegment(
+                BeaconTileEntityRenderer.renderBeamSegment(
                         goalPos.getX() - renderPosX,
                         -renderPosY,
                         goalPos.getZ() - renderPosZ,
                         partialTicks,
                         1.0,
-                        player.world.getTotalWorldTime(),
+                        player.world.getGameTime(),
                         0,
                         256,
-                        color.getColorComponents(null)
+                        color.getColorComponents(null),
+
+                        // Arguments filled by the private method lol
+                        0.2D,
+                        0.25D
                 );
 
                 if (Baritone.settings().renderGoalIgnoreDepth.value) {
-                    GlStateManager.enableDepth();
+                    GlStateManager.enableDepthTest();
                 }
 
                 glPopAttrib();
@@ -349,13 +366,13 @@ public final class PathRenderer implements Helper {
         }
 
         GlStateManager.enableBlend();
-        GlStateManager.tryBlendFuncSeparate(770, 771, 1, 0);
-        GlStateManager.color(color.getColorComponents(null)[0], color.getColorComponents(null)[1], color.getColorComponents(null)[2], 0.6F);
-        GlStateManager.glLineWidth(Baritone.settings().goalRenderLineWidthPixels.value);
-        GlStateManager.disableTexture2D();
+        GlStateManager.blendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ZERO);
+        GlStateManager.color4f(color.getColorComponents(null)[0], color.getColorComponents(null)[1], color.getColorComponents(null)[2], 0.6F);
+        GlStateManager.lineWidth(Baritone.settings().goalRenderLineWidthPixels.value);
+        GlStateManager.disableTexture();
         GlStateManager.depthMask(false);
         if (Baritone.settings().renderGoalIgnoreDepth.value) {
-            GlStateManager.disableDepth();
+            GlStateManager.disableDepthTest();
         }
 
         renderHorizontalQuad(minX, maxX, minZ, maxZ, y1);
@@ -373,10 +390,10 @@ public final class PathRenderer implements Helper {
         TESSELLATOR.draw();
 
         if (Baritone.settings().renderGoalIgnoreDepth.value) {
-            GlStateManager.enableDepth();
+            GlStateManager.enableDepthTest();
         }
         GlStateManager.depthMask(true);
-        GlStateManager.enableTexture2D();
+        GlStateManager.enableTexture();
         GlStateManager.disableBlend();
     }
 

src/main/java/baritone/utils/PlayerMovementInput.java

@@ -27,7 +27,8 @@ public class PlayerMovementInput extends MovementInput {
         this.handler = handler;
     }
 
-    public void updatePlayerMoveState() {
+    @Override
+    public void tick(boolean p_217607_1_, boolean p_217607_2_) {
         this.moveStrafe = 0.0F;
         this.moveForward = 0.0F;
 

src/main/java/baritone/utils/ToolSet.java

@@ -19,14 +19,13 @@ package baritone.utils;
 
 import baritone.Baritone;
 import net.minecraft.block.Block;
-import net.minecraft.block.state.IBlockState;
-import net.minecraft.client.entity.EntityPlayerSP;
+import net.minecraft.block.BlockState;
+import net.minecraft.client.entity.player.ClientPlayerEntity;
 import net.minecraft.enchantment.EnchantmentHelper;
-import net.minecraft.init.Enchantments;
-import net.minecraft.init.MobEffects;
-import net.minecraft.item.Item.ToolMaterial;
+import net.minecraft.enchantment.Enchantments;
 import net.minecraft.item.ItemStack;
-import net.minecraft.item.ItemTool;
+import net.minecraft.item.ToolItem;
+import net.minecraft.potion.Effects;
 
 import java.util.HashMap;
 import java.util.Map;
@@ -49,9 +48,9 @@ public class ToolSet {
      */
     private final Function<Block, Double> backendCalculation;
 
-    private final EntityPlayerSP player;
+    private final ClientPlayerEntity player;
 
-    public ToolSet(EntityPlayerSP player) {
+    public ToolSet(ClientPlayerEntity player) {
         breakStrengthCache = new HashMap<>();
         this.player = player;
 
@@ -70,24 +69,18 @@ public class ToolSet {
      * @param state the blockstate to be mined
      * @return the speed of how fast we'll mine it. 1/(time in ticks)
      */
-    public double getStrVsBlock(IBlockState state) {
+    public double getStrVsBlock(BlockState state) {
         return breakStrengthCache.computeIfAbsent(state.getBlock(), backendCalculation);
     }
 
     /**
-     * Evaluate the material cost of a possible tool. The priority matches the
-     * listed order in the Item.ToolMaterial enum.
+     * Evaluate the material cost of a possible tool. Will return 1 for tools, -1 for other
      *
      * @param itemStack a possibly empty ItemStack
-     * @return values range from -1 to 4
+     * @return Either 1 or -1
      */
     private int getMaterialCost(ItemStack itemStack) {
-        if (itemStack.getItem() instanceof ItemTool) {
-            ItemTool tool = (ItemTool) itemStack.getItem();
-            return ToolMaterial.valueOf(tool.getToolMaterialName()).ordinal();
-        } else {
-            return -1;
-        }
+        return itemStack.getItem() instanceof ToolItem ? 1 : -1;
     }
 
     /**
@@ -100,7 +93,7 @@ public class ToolSet {
         byte best = 0;
         double value = Double.NEGATIVE_INFINITY;
         int materialCost = Integer.MIN_VALUE;
-        IBlockState blockState = b.getDefaultState();
+        BlockState blockState = b.getDefaultState();
         for (byte i = 0; i < 9; i++) {
             ItemStack itemStack = player.inventory.getStackInSlot(i);
             double v = calculateSpeedVsBlock(itemStack, blockState);
@@ -143,7 +136,7 @@ public class ToolSet {
      * @param state the blockstate to be mined
      * @return how long it would take in ticks
      */
-    public static double calculateSpeedVsBlock(ItemStack item, IBlockState state) {
+    public static double calculateSpeedVsBlock(ItemStack item, BlockState state) {
         float hardness = state.getBlockHardness(null, null);
         if (hardness < 0) {
             return -1;
@@ -172,11 +165,11 @@ public class ToolSet {
      */
     private double potionAmplifier() {
         double speed = 1;
-        if (player.isPotionActive(MobEffects.HASTE)) {
-            speed *= 1 + (player.getActivePotionEffect(MobEffects.HASTE).getAmplifier() + 1) * 0.2;
+        if (player.isPotionActive(Effects.HASTE)) {
+            speed *= 1 + (player.getActivePotionEffect(Effects.HASTE).getAmplifier() + 1) * 0.2;
         }
-        if (player.isPotionActive(MobEffects.MINING_FATIGUE)) {
-            switch (player.getActivePotionEffect(MobEffects.MINING_FATIGUE).getAmplifier()) {
+        if (player.isPotionActive(Effects.MINING_FATIGUE)) {
+            switch (player.getActivePotionEffect(Effects.MINING_FATIGUE).getAmplifier()) {
                 case 0:
                     speed *= 0.3;
                     break;

src/main/java/baritone/utils/accessor/IChunkArray.java

@@ -17,15 +17,18 @@
 
 package baritone.utils.accessor;
 
-import net.minecraft.world.WorldProvider;
-import net.minecraft.world.chunk.storage.IChunkLoader;
+import net.minecraft.world.chunk.Chunk;
 
-/**
- * @author Brady
- * @see WorldProvider
- * @since 8/4/2018
- */
-public interface IChunkProviderServer {
+import java.util.concurrent.atomic.AtomicReferenceArray;
 
-    IChunkLoader getChunkLoader();
+public interface IChunkArray {
+    void copyFrom(IChunkArray other);
+
+    AtomicReferenceArray<Chunk> getChunks();
+
+    int centerX();
+
+    int centerZ();
+
+    int viewDistance();
 }

src/main/java/baritone/utils/accessor/IClientChunkProvider.java

@@ -17,16 +17,10 @@
 
 package baritone.utils.accessor;
 
-import baritone.cache.WorldProvider;
+import net.minecraft.client.multiplayer.ClientChunkProvider;
 
-import java.io.File;
+public interface IClientChunkProvider {
+    ClientChunkProvider createThreadSafeCopy();
 
-/**
- * @author Brady
- * @see WorldProvider
- * @since 8/4/2018
- */
-public interface IAnvilChunkLoader {
-
-    File getChunkSaveLocation();
+    IChunkArray extractReferenceArray();
 }

src/main/java/baritone/utils/accessor/IEntityRenderManager.java

@@ -17,9 +17,10 @@
 
 package baritone.utils.accessor;
 
-import it.unimi.dsi.fastutil.longs.Long2ObjectMap;
-import net.minecraft.world.chunk.Chunk;
+public interface IEntityRenderManager {
+    double renderPosX();
 
-public interface IChunkProviderClient {
-    Long2ObjectMap<Chunk> loadedChunks();
+    double renderPosY();
+
+    double renderPosZ();
 }

src/main/java/baritone/utils/pathing/Avoidance.java

@@ -21,10 +21,10 @@ import baritone.Baritone;
 import baritone.api.utils.BetterBlockPos;
 import baritone.api.utils.IPlayerContext;
 import it.unimi.dsi.fastutil.longs.Long2DoubleOpenHashMap;
-import net.minecraft.entity.monster.EntityEnderman;
-import net.minecraft.entity.monster.EntityMob;
-import net.minecraft.entity.monster.EntityPigZombie;
-import net.minecraft.entity.monster.EntitySpider;
+import net.minecraft.entity.MobEntity;
+import net.minecraft.entity.monster.EndermanEntity;
+import net.minecraft.entity.monster.SpiderEntity;
+import net.minecraft.entity.monster.ZombiePigmanEntity;
 import net.minecraft.util.math.BlockPos;
 
 import java.util.ArrayList;
@@ -71,11 +71,11 @@ public class Avoidance {
                     .forEach(mobspawner -> res.add(new Avoidance(mobspawner, mobSpawnerCoeff, Baritone.settings().mobSpawnerAvoidanceRadius.value)));
         }
         if (mobCoeff != 1.0D) {
-            ctx.world().loadedEntityList.stream()
-                    .filter(entity -> entity instanceof EntityMob)
-                    .filter(entity -> (!(entity instanceof EntitySpider)) || ctx.player().getBrightness() < 0.5)
-                    .filter(entity -> !(entity instanceof EntityPigZombie) || ((EntityPigZombie) entity).isAngry())
-                    .filter(entity -> !(entity instanceof EntityEnderman) || ((EntityEnderman) entity).isScreaming())
+            ctx.entitiesStream()
+                    .filter(entity -> entity instanceof MobEntity)
+                    .filter(entity -> (!(entity instanceof SpiderEntity)) || ctx.player().getBrightness() < 0.5)
+                    .filter(entity -> !(entity instanceof ZombiePigmanEntity) || ((ZombiePigmanEntity) entity).getRevengeTarget() != null)
+                    .filter(entity -> !(entity instanceof EndermanEntity) || ((EndermanEntity) entity).isScreaming())
                     .forEach(entity -> res.add(new Avoidance(new BlockPos(entity), mobCoeff, Baritone.settings().mobAvoidanceRadius.value)));
         }
         return res;

src/main/java/baritone/utils/player/PrimaryPlayerContext.java

@@ -23,7 +23,7 @@ import baritone.api.utils.Helper;
 import baritone.api.utils.IPlayerContext;
 import baritone.api.utils.IPlayerController;
 import baritone.api.utils.RayTraceUtils;
-import net.minecraft.client.entity.EntityPlayerSP;
+import net.minecraft.client.entity.player.ClientPlayerEntity;
 import net.minecraft.util.math.RayTraceResult;
 import net.minecraft.world.World;
 
@@ -38,7 +38,7 @@ public enum PrimaryPlayerContext implements IPlayerContext, Helper {
     INSTANCE;
 
     @Override
-    public EntityPlayerSP player() {
+    public ClientPlayerEntity player() {
         return mc.player;
     }
 

src/main/java/baritone/utils/player/PrimaryPlayerController.java

@@ -19,16 +19,16 @@ package baritone.utils.player;
 
 import baritone.api.utils.Helper;
 import baritone.api.utils.IPlayerController;
-import net.minecraft.client.entity.EntityPlayerSP;
-import net.minecraft.client.multiplayer.WorldClient;
-import net.minecraft.entity.player.EntityPlayer;
-import net.minecraft.inventory.ClickType;
+import net.minecraft.client.entity.player.ClientPlayerEntity;
+import net.minecraft.client.world.ClientWorld;
+import net.minecraft.entity.player.PlayerEntity;
+import net.minecraft.inventory.container.ClickType;
 import net.minecraft.item.ItemStack;
-import net.minecraft.util.EnumActionResult;
-import net.minecraft.util.EnumFacing;
-import net.minecraft.util.EnumHand;
+import net.minecraft.util.ActionResultType;
+import net.minecraft.util.Direction;
+import net.minecraft.util.Hand;
 import net.minecraft.util.math.BlockPos;
-import net.minecraft.util.math.Vec3d;
+import net.minecraft.util.math.BlockRayTraceResult;
 import net.minecraft.world.GameType;
 import net.minecraft.world.World;
 
@@ -43,7 +43,7 @@ public enum PrimaryPlayerController implements IPlayerController, Helper {
     INSTANCE;
 
     @Override
-    public boolean onPlayerDamageBlock(BlockPos pos, EnumFacing side) {
+    public boolean onPlayerDamageBlock(BlockPos pos, Direction side) {
         return mc.playerController.onPlayerDamageBlock(pos, side);
     }
 
@@ -53,7 +53,7 @@ public enum PrimaryPlayerController implements IPlayerController, Helper {
     }
 
     @Override
-    public ItemStack windowClick(int windowId, int slotId, int mouseButton, ClickType type, EntityPlayer player) {
+    public ItemStack windowClick(int windowId, int slotId, int mouseButton, ClickType type, PlayerEntity player) {
         return mc.playerController.windowClick(windowId, slotId, mouseButton, type, player);
     }
 
@@ -68,13 +68,13 @@ public enum PrimaryPlayerController implements IPlayerController, Helper {
     }
 
     @Override
-    public EnumActionResult processRightClickBlock(EntityPlayerSP player, World world, BlockPos pos, EnumFacing direction, Vec3d vec, EnumHand hand) {
-        // primaryplayercontroller is always in a WorldClient so this is ok
-        return mc.playerController.processRightClickBlock(player, (WorldClient) world, pos, direction, vec, hand);
+    public ActionResultType processRightClickBlock(ClientPlayerEntity player, World world, Hand hand, BlockRayTraceResult result) {
+        // primaryplayercontroller is always in a ClientWorld so this is ok
+        return mc.playerController.func_217292_a(player, (ClientWorld) world, hand, result);
     }
 
     @Override
-    public EnumActionResult processRightClick(EntityPlayerSP player, World world, EnumHand hand) {
+    public ActionResultType processRightClick(ClientPlayerEntity player, World world, Hand hand) {
         return mc.playerController.processRightClick(player, world, hand);
     }
 }

src/main/java/baritone/utils/schematic/AirSchematic.java

@@ -18,8 +18,8 @@
 package baritone.utils.schematic;
 
 import baritone.api.utils.ISchematic;
-import net.minecraft.block.state.IBlockState;
-import net.minecraft.init.Blocks;
+import net.minecraft.block.BlockState;
+import net.minecraft.block.Blocks;
 
 public class AirSchematic implements ISchematic {
 
@@ -34,7 +34,7 @@ public class AirSchematic implements ISchematic {
     }
 
     @Override
-    public IBlockState desiredState(int x, int y, int z) {
+    public BlockState desiredState(int x, int y, int z) {
         return Blocks.AIR.getDefaultState();
     }
 

src/main/java/baritone/utils/schematic/MapArtSchematic.java

@@ -17,9 +17,9 @@
 
 package baritone.utils.schematic;
 
-import net.minecraft.block.state.IBlockState;
-import net.minecraft.init.Blocks;
-import net.minecraft.nbt.NBTTagCompound;
+import net.minecraft.block.AirBlock;
+import net.minecraft.block.BlockState;
+import net.minecraft.nbt.CompoundNBT;
 
 import java.util.OptionalInt;
 import java.util.function.Predicate;
@@ -28,15 +28,15 @@ public class MapArtSchematic extends Schematic {
 
     private final int[][] heightMap;
 
-    public MapArtSchematic(NBTTagCompound schematic) {
+    public MapArtSchematic(CompoundNBT schematic) {
         super(schematic);
         heightMap = new int[widthX][lengthZ];
 
         for (int x = 0; x < widthX; x++) {
             for (int z = 0; z < lengthZ; z++) {
-                IBlockState[] column = states[x][z];
+                BlockState[] column = states[x][z];
 
-                OptionalInt lowestBlockY = lastIndexMatching(column, block -> block != Blocks.AIR);
+                OptionalInt lowestBlockY = lastIndexMatching(column, state -> !(state.getBlock() instanceof AirBlock));
                 if (lowestBlockY.isPresent()) {
                     heightMap[x][z] = lowestBlockY.getAsInt();
                 } else {