v1.3.5

build.gradle

@@ -16,7 +16,7 @@
  */
 
 group 'baritone'
-version '1.4.2'
+version '1.3.5'
 
 buildscript {
     repositories {
@@ -82,7 +82,7 @@ task sourceJar(type: Jar, dependsOn: classes) {
 }
 
 minecraft {
-    mappings channel: 'snapshot', version: '20190814-1.14.3'
+    mappings channel: 'snapshot', version: '20190307-1.13.1'
     reobfMappings 'notch'
 
     runs {
@@ -138,7 +138,7 @@ repositories {
 }
 
 dependencies {
-    minecraft 'com.github.ImpactDevelopment:Vanilla:1.14.4'
+    minecraft 'com.github.ImpactDevelopment:Vanilla:1.13.2'
 
     runtime launchCompile('net.minecraft:launchwrapper:1.12') {
         exclude module: 'lwjgl'

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

@@ -20,7 +20,7 @@ package baritone.api;
 import baritone.api.cache.IWorldScanner;
 import baritone.api.command.ICommand;
 import baritone.api.command.ICommandSystem;
-import net.minecraft.client.entity.player.ClientPlayerEntity;
+import net.minecraft.client.entity.EntityPlayerSP;
 
 import java.util.List;
 import java.util.Objects;
@@ -46,19 +46,19 @@ public interface IBaritoneProvider {
      * returned by {@link #getPrimaryBaritone()}.
      *
      * @return All active {@link IBaritone} instances.
-     * @see #getBaritoneForPlayer(ClientPlayerEntity)
+     * @see #getBaritoneForPlayer(EntityPlayerSP)
      */
     List<IBaritone> getAllBaritones();
 
     /**
-     * Provides the {@link IBaritone} instance for a given {@link ClientPlayerEntity}. This will likely be
+     * Provides the {@link IBaritone} instance for a given {@link EntityPlayerSP}. 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(ClientPlayerEntity player) {
+    default IBaritone getBaritoneForPlayer(EntityPlayerSP player) {
         for (IBaritone baritone : getAllBaritones()) {
             if (Objects.equals(player, 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;
@@ -178,7 +178,9 @@ public final class Settings {
             Blocks.CRAFTING_TABLE,
             Blocks.FURNACE,
             Blocks.CHEST,
-            Blocks.TRAPPED_CHEST
+            Blocks.TRAPPED_CHEST,
+            Blocks.SIGN,
+            Blocks.WALL_SIGN
     )));
 
     /**

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

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

src/api/java/baritone/api/command/argument/IArgConsumer.java

@@ -27,7 +27,7 @@ import baritone.api.command.datatypes.IDatatypePost;
 import baritone.api.command.exception.CommandException;
 import baritone.api.command.exception.CommandInvalidTypeException;
 import baritone.api.command.exception.CommandNotEnoughArgumentsException;
-import net.minecraft.util.Direction;
+import net.minecraft.util.EnumFacing;
 
 import java.util.Deque;
 import java.util.LinkedList;
@@ -404,8 +404,8 @@ public interface IArgConsumer {
     /**
      * Gets an enum value from the enum class with the same name as the next argument's value
      * <p>
-     * For example if you getEnum as an {@link Direction}, and the next argument's value is "up", this will return
-     * {@link Direction#UP}
+     * For example if you getEnum as an {@link EnumFacing}, and the next argument's value is "up", this will return
+     * {@link EnumFacing#UP}
      *
      * @param enumClass The enum class to search
      * @return An enum constant of that class with the same name as the next argument's value
@@ -419,8 +419,8 @@ public interface IArgConsumer {
     /**
      * Gets an enum value from the enum class with the same name as the next argument's value
      * <p>
-     * For example if you getEnum as an {@link Direction}, and the next argument's value is "up", this will return
-     * {@link Direction#UP}
+     * For example if you getEnum as an {@link EnumFacing}, and the next argument's value is "up", this will return
+     * {@link EnumFacing#UP}
      *
      * @param enumClass The enum class to search
      * @param def       The default value
@@ -436,8 +436,8 @@ public interface IArgConsumer {
     /**
      * Gets an enum value from the enum class with the same name as the next argument's value
      * <p>
-     * For example if you getEnum as an {@link Direction}, and the next argument's value is "up", this will return
-     * {@link Direction#UP}
+     * For example if you getEnum as an {@link EnumFacing}, and the next argument's value is "up", this will return
+     * {@link EnumFacing#UP}
      *
      * @param enumClass The enum class to search
      * @return An enum constant of that class with the same name as the next argument's value, or {@code null} if it

src/api/java/baritone/api/command/argument/ICommandArgument.java

@@ -19,7 +19,7 @@ package baritone.api.command.argument;
 
 import baritone.api.command.argparser.IArgParser;
 import baritone.api.command.exception.CommandInvalidTypeException;
-import net.minecraft.util.Direction;
+import net.minecraft.util.EnumFacing;
 
 /**
  * A {@link ICommandArgument} is an immutable object representing one command argument. It contains data on the index of
@@ -50,8 +50,8 @@ public interface ICommandArgument {
     /**
      * Gets an enum value from the enum class with the same name as this argument's value
      * <p>
-     * For example if you getEnum as an {@link Direction}, and this argument's value is "up", it will return {@link
-     * Direction#UP}
+     * For example if you getEnum as an {@link EnumFacing}, and this argument's value is "up", it will return {@link
+     * EnumFacing#UP}
      *
      * @param enumClass The enum class to search
      * @return An enum constant of that class with the same name as this argument's value

src/api/java/baritone/api/command/datatypes/BlockById.java

@@ -17,11 +17,12 @@
 
 package baritone.api.command.datatypes;
 
-import baritone.api.command.exception.CommandException;
 import baritone.api.command.helpers.TabCompleteHelper;
+import baritone.api.command.exception.CommandException;
 import net.minecraft.block.Block;
+import net.minecraft.init.Blocks;
 import net.minecraft.util.ResourceLocation;
-import net.minecraft.util.registry.Registry;
+import net.minecraft.util.registry.IRegistry;
 
 import java.util.stream.Stream;
 
@@ -32,7 +33,7 @@ public enum BlockById implements IDatatypeFor<Block> {
     public Block get(IDatatypeContext ctx) throws CommandException {
         ResourceLocation id = new ResourceLocation(ctx.getConsumer().getString());
         Block block;
-        if ((block = Registry.BLOCK.getValue(id).orElse(null)) == null) {
+        if ((block = IRegistry.BLOCK.get(id)) == Blocks.AIR) {
             throw new IllegalArgumentException("no block found by that id");
         }
         return block;
@@ -42,7 +43,7 @@ public enum BlockById implements IDatatypeFor<Block> {
     public Stream<String> tabComplete(IDatatypeContext ctx) throws CommandException {
         return new TabCompleteHelper()
                 .append(
-                        Registry.BLOCK.keySet()
+                        IRegistry.BLOCK.keySet()
                                 .stream()
                                 .map(Object::toString)
                 )

src/api/java/baritone/api/command/datatypes/EntityClassById.java

@@ -21,7 +21,7 @@ import baritone.api.command.exception.CommandException;
 import baritone.api.command.helpers.TabCompleteHelper;
 import net.minecraft.entity.EntityType;
 import net.minecraft.util.ResourceLocation;
-import net.minecraft.util.registry.Registry;
+import net.minecraft.util.registry.IRegistry;
 
 import java.util.stream.Stream;
 
@@ -32,7 +32,7 @@ public enum EntityClassById implements IDatatypeFor<EntityType> {
     public EntityType get(IDatatypeContext ctx) throws CommandException {
         ResourceLocation id = new ResourceLocation(ctx.getConsumer().getString());
         EntityType entity;
-        if ((entity = Registry.ENTITY_TYPE.getValue(id).orElse(null)) == null) {
+        if ((entity = IRegistry.ENTITY_TYPE.get(id)) == null) {
             throw new IllegalArgumentException("no entity found by that id");
         }
         return entity;
@@ -41,7 +41,7 @@ public enum EntityClassById implements IDatatypeFor<EntityType> {
     @Override
     public Stream<String> tabComplete(IDatatypeContext ctx) throws CommandException {
         return new TabCompleteHelper()
-                .append(Registry.ENTITY_TYPE.stream().map(Object::toString))
+                .append(IRegistry.ENTITY_TYPE.stream().map(Object::toString))
                 .filterPrefixNamespaced(ctx.getConsumer().getString())
                 .sortAlphabetically()
                 .stream();

src/api/java/baritone/api/command/datatypes/ForEnumFacing.java

@@ -19,24 +19,24 @@ package baritone.api.command.datatypes;
 
 import baritone.api.command.helpers.TabCompleteHelper;
 import baritone.api.command.exception.CommandException;
-import net.minecraft.util.Direction;
+import net.minecraft.util.EnumFacing;
 
 import java.util.Locale;
 import java.util.stream.Stream;
 
-public enum ForDirection implements IDatatypeFor<Direction> {
+public enum ForEnumFacing implements IDatatypeFor<EnumFacing> {
     INSTANCE;
 
     @Override
-    public Direction get(IDatatypeContext ctx) throws CommandException {
-        return Direction.valueOf(ctx.getConsumer().getString().toUpperCase(Locale.US));
+    public EnumFacing get(IDatatypeContext ctx) throws CommandException {
+        return EnumFacing.valueOf(ctx.getConsumer().getString().toUpperCase(Locale.US));
     }
 
     @Override
     public Stream<String> tabComplete(IDatatypeContext ctx) throws CommandException {
         return new TabCompleteHelper()
-                .append(Stream.of(Direction.values())
-                        .map(Direction::getName).map(String::toLowerCase))
+                .append(Stream.of(EnumFacing.values())
+                        .map(EnumFacing::getName).map(String::toLowerCase))
                 .filterPrefix(ctx.getConsumer().getString())
                 .stream();
     }

src/api/java/baritone/api/command/datatypes/NearbyPlayer.java

@@ -20,7 +20,7 @@ package baritone.api.command.datatypes;
 import baritone.api.IBaritone;
 import baritone.api.command.exception.CommandException;
 import baritone.api.command.helpers.TabCompleteHelper;
-import net.minecraft.entity.player.PlayerEntity;
+import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.util.text.ITextComponent;
 
 import java.util.List;
@@ -30,11 +30,11 @@ import java.util.stream.Stream;
  * An {@link IDatatype} used to resolve nearby players, those within
  * render distance of the target {@link IBaritone} instance.
  */
-public enum NearbyPlayer implements IDatatypeFor<PlayerEntity> {
+public enum NearbyPlayer implements IDatatypeFor<EntityPlayer> {
     INSTANCE;
 
     @Override
-    public PlayerEntity get(IDatatypeContext ctx) throws CommandException {
+    public EntityPlayer get(IDatatypeContext ctx) throws CommandException {
         final String username = ctx.getConsumer().getString();
         return getPlayers(ctx).stream()
                 .filter(s -> s.getName().getString().equalsIgnoreCase(username))
@@ -44,13 +44,13 @@ public enum NearbyPlayer implements IDatatypeFor<PlayerEntity> {
     @Override
     public Stream<String> tabComplete(IDatatypeContext ctx) throws CommandException {
         return new TabCompleteHelper()
-                .append(getPlayers(ctx).stream().map(PlayerEntity::getName).map(ITextComponent::getString))
+                .append(getPlayers(ctx).stream().map(EntityPlayer::getName).map(ITextComponent::getString))
                 .filterPrefix(ctx.getConsumer().getString())
                 .sortAlphabetically()
                 .stream();
     }
 
-    private static List<? extends PlayerEntity> getPlayers(IDatatypeContext ctx) {
-        return ctx.getBaritone().getPlayerContext().world().getPlayers();
+    private static List<EntityPlayer> getPlayers(IDatatypeContext ctx) {
+        return ctx.getBaritone().getPlayerContext().world().playerEntities;
     }
 }

src/api/java/baritone/api/command/helpers/Paginator.java

@@ -22,7 +22,7 @@ import baritone.api.command.exception.CommandException;
 import baritone.api.command.exception.CommandInvalidTypeException;
 import baritone.api.command.argument.IArgConsumer;
 import net.minecraft.util.text.ITextComponent;
-import net.minecraft.util.text.StringTextComponent;
+import net.minecraft.util.text.TextComponentString;
 import net.minecraft.util.text.TextFormatting;
 import net.minecraft.util.text.event.ClickEvent;
 import net.minecraft.util.text.event.HoverEvent;
@@ -74,7 +74,7 @@ public class Paginator<E> implements Helper {
         }
         boolean hasPrevPage = commandPrefix != null && validPage(page - 1);
         boolean hasNextPage = commandPrefix != null && validPage(page + 1);
-        ITextComponent prevPageComponent = new StringTextComponent("<<");
+        ITextComponent prevPageComponent = new TextComponentString("<<");
         if (hasPrevPage) {
             prevPageComponent.getStyle()
                     .setClickEvent(new ClickEvent(
@@ -83,12 +83,12 @@ public class Paginator<E> implements Helper {
                     ))
                     .setHoverEvent(new HoverEvent(
                             HoverEvent.Action.SHOW_TEXT,
-                            new StringTextComponent("Click to view previous page")
+                            new TextComponentString("Click to view previous page")
                     ));
         } else {
             prevPageComponent.getStyle().setColor(TextFormatting.DARK_GRAY);
         }
-        ITextComponent nextPageComponent = new StringTextComponent(">>");
+        ITextComponent nextPageComponent = new TextComponentString(">>");
         if (hasNextPage) {
             nextPageComponent.getStyle()
                     .setClickEvent(new ClickEvent(
@@ -97,12 +97,12 @@ public class Paginator<E> implements Helper {
                     ))
                     .setHoverEvent(new HoverEvent(
                             HoverEvent.Action.SHOW_TEXT,
-                            new StringTextComponent("Click to view next page")
+                            new TextComponentString("Click to view next page")
                     ));
         } else {
             nextPageComponent.getStyle().setColor(TextFormatting.DARK_GRAY);
         }
-        ITextComponent pagerComponent = new StringTextComponent("");
+        ITextComponent pagerComponent = new TextComponentString("");
         pagerComponent.getStyle().setColor(TextFormatting.GRAY);
         pagerComponent.appendSibling(prevPageComponent);
         pagerComponent.appendText(" | ");

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

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

@@ -18,6 +18,7 @@
 package baritone.api.event.events;
 
 import net.minecraft.entity.Entity;
+import net.minecraft.entity.EntityLivingBase;
 
 /**
  * @author Brady
@@ -75,7 +76,7 @@ public final class RotationMoveEvent {
         /**
          * Called when the player jumps.
          *
-         * @see LivingEntity#jump
+         * @see EntityLivingBase#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.world.ClientWorld;
+import net.minecraft.client.multiplayer.WorldClient;
 
 /**
  * @author Brady
@@ -29,14 +29,14 @@ public final class WorldEvent {
     /**
      * The new world that is being loaded. {@code null} if being unloaded.
      */
-    private final ClientWorld world;
+    private final WorldClient world;
 
     /**
      * The state of the event
      */
     private final EventState state;
 
-    public WorldEvent(ClientWorld world, EventState state) {
+    public WorldEvent(WorldClient 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 ClientWorld getWorld() {
+    public final WorldClient getWorld() {
         return this.world;
     }
 

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

@@ -19,11 +19,12 @@ package baritone.api.event.listener;
 
 import baritone.api.event.events.*;
 import net.minecraft.client.Minecraft;
-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.client.entity.EntityPlayerSP;
+import net.minecraft.client.gui.GuiGameOver;
+import net.minecraft.client.gui.GuiScreen;
+import net.minecraft.client.multiplayer.WorldClient;
 import net.minecraft.entity.Entity;
+import net.minecraft.network.Packet;
 
 /**
  * @author Brady
@@ -43,7 +44,7 @@ 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 ClientPlayerEntity#tick()
+     * @see EntityPlayerSP#tick()
      */
     void onPlayerUpdate(PlayerUpdateEvent event);
 
@@ -51,7 +52,7 @@ public interface IGameEventListener {
      * Runs whenever the client player sends a message to the server.
      *
      * @param event The event
-     * @see ClientPlayerEntity#sendChatMessage(String)
+     * @see EntityPlayerSP#sendChatMessage(String)
      */
     void onSendChatMessage(ChatEvent event);
 
@@ -80,7 +81,7 @@ public interface IGameEventListener {
      * Runs before and after whenever a new world is loaded
      *
      * @param event The event
-     * @see Minecraft#loadWorld(ClientWorld, Screen)
+     * @see Minecraft#loadWorld(WorldClient, GuiScreen)
      */
     void onWorldEvent(WorldEvent event);
 
@@ -110,10 +111,10 @@ public interface IGameEventListener {
     void onPlayerRotationMove(RotationMoveEvent event);
 
     /**
-     * Called whenever the sprint keybind state is checked in {@link ClientPlayerEntity#livingTick}
+     * Called whenever the sprint keybind state is checked in {@link EntityPlayerSP#livingTick}
      *
      * @param event The event
-     * @see ClientPlayerEntity#livingTick()
+     * @see EntityPlayerSP#livingTick()
      */
     void onPlayerSprintState(SprintStateEvent event);
 

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

@@ -18,7 +18,7 @@
 package baritone.api.pathing.goals;
 
 import baritone.api.utils.SettingsUtil;
-import net.minecraft.util.Direction;
+import net.minecraft.util.EnumFacing;
 import net.minecraft.util.math.BlockPos;
 
 /**
@@ -32,7 +32,7 @@ public class GoalStrictDirection implements Goal {
     public final int dx;
     public final int dz;
 
-    public GoalStrictDirection(BlockPos origin, Direction direction) {
+    public GoalStrictDirection(BlockPos origin, EnumFacing direction) {
         x = origin.getX();
         y = origin.getY();
         z = origin.getZ();

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

@@ -18,7 +18,7 @@
 package baritone.api.process;
 
 import baritone.api.schematic.ISchematic;
-import net.minecraft.block.BlockState;
+import net.minecraft.block.state.IBlockState;
 import net.minecraft.client.Minecraft;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.util.math.Vec3i;
@@ -71,5 +71,5 @@ public interface IBuilderProcess extends IBaritoneProcess {
      * schematics, for example, to pick a state that the builder process will be happy with, because any variation will
      * cause it to give up. This is updated every tick, but only while the builder process is active.
      */
-    List<BlockState> getApproxPlaceable();
+    List<IBlockState> getApproxPlaceable();
 }

src/api/java/baritone/api/schematic/CompositeSchematic.java

@@ -17,7 +17,7 @@
 
 package baritone.api.schematic;
 
-import net.minecraft.block.BlockState;
+import net.minecraft.block.state.IBlockState;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -47,7 +47,7 @@ public class CompositeSchematic extends AbstractSchematic {
         recalcArr();
     }
 
-    private CompositeSchematicEntry getSchematic(int x, int y, int z, BlockState currentState) {
+    private CompositeSchematicEntry getSchematic(int x, int y, int z, IBlockState currentState) {
         for (CompositeSchematicEntry entry : schematicArr) {
             if (x >= entry.x && y >= entry.y && z >= entry.z &&
                     entry.schematic.inSchematic(x - entry.x, y - entry.y, z - entry.z, currentState)) {
@@ -58,13 +58,13 @@ public class CompositeSchematic extends AbstractSchematic {
     }
 
     @Override
-    public boolean inSchematic(int x, int y, int z, BlockState currentState) {
+    public boolean inSchematic(int x, int y, int z, IBlockState currentState) {
         CompositeSchematicEntry entry = getSchematic(x, y, z, currentState);
         return entry != null && entry.schematic.inSchematic(x - entry.x, y - entry.y, z - entry.z, currentState);
     }
 
     @Override
-    public BlockState desiredState(int x, int y, int z, BlockState current, List<BlockState> approxPlaceable) {
+    public IBlockState desiredState(int x, int y, int z, IBlockState current, List<IBlockState> approxPlaceable) {
         CompositeSchematicEntry entry = getSchematic(x, y, z, current);
         if (entry == null) {
             throw new IllegalStateException("couldn't find schematic for this position");

src/api/java/baritone/api/schematic/FillSchematic.java

@@ -18,8 +18,8 @@
 package baritone.api.schematic;
 
 import baritone.api.utils.BlockOptionalMeta;
-import net.minecraft.block.BlockState;
-import net.minecraft.block.Blocks;
+import net.minecraft.block.state.IBlockState;
+import net.minecraft.init.Blocks;
 
 import java.util.List;
 
@@ -37,13 +37,13 @@ public class FillSchematic extends AbstractSchematic {
     }
 
     @Override
-    public BlockState desiredState(int x, int y, int z, BlockState current, List<BlockState> approxPlaceable) {
+    public IBlockState desiredState(int x, int y, int z, IBlockState current, List<IBlockState> approxPlaceable) {
         if (bom.matches(current)) {
             return current;
         } else if (current.getBlock() != Blocks.AIR) {
             return Blocks.AIR.getDefaultState();
         }
-        for (BlockState placeable : approxPlaceable) {
+        for (IBlockState placeable : approxPlaceable) {
             if (bom.matches(placeable)) {
                 return placeable;
             }

src/api/java/baritone/api/schematic/ISchematic.java

@@ -17,8 +17,8 @@
 
 package baritone.api.schematic;
 
-import net.minecraft.block.BlockState;
-import net.minecraft.util.Direction;
+import net.minecraft.block.state.IBlockState;
+import net.minecraft.util.EnumFacing;
 
 import java.util.List;
 
@@ -44,11 +44,11 @@ public interface ISchematic {
      * @param currentState The current state of that block in the world, or null
      * @return Whether or not the specified position is within the bounds of this schematic
      */
-    default boolean inSchematic(int x, int y, int z, BlockState currentState) {
+    default boolean inSchematic(int x, int y, int z, IBlockState currentState) {
         return x >= 0 && x < widthX() && y >= 0 && y < heightY() && z >= 0 && z < lengthZ();
     }
 
-    default int size(Direction.Axis axis) {
+    default int size(EnumFacing.Axis axis) {
         switch (axis) {
             case X:
                 return widthX();
@@ -71,7 +71,7 @@ public interface ISchematic {
      * @param approxPlaceable The list of blockstates estimated to be placeable
      * @return The desired block state at the specified position
      */
-    BlockState desiredState(int x, int y, int z, BlockState current, List<BlockState> approxPlaceable);
+    IBlockState desiredState(int x, int y, int z, IBlockState current, List<IBlockState> approxPlaceable);
 
     /**
      * @return The width (X axis length) of this schematic

src/api/java/baritone/api/schematic/MaskSchematic.java

@@ -17,7 +17,7 @@
 
 package baritone.api.schematic;
 
-import net.minecraft.block.BlockState;
+import net.minecraft.block.state.IBlockState;
 
 import java.util.List;
 
@@ -30,15 +30,15 @@ public abstract class MaskSchematic extends AbstractSchematic {
         this.schematic = schematic;
     }
 
-    protected abstract boolean partOfMask(int x, int y, int z, BlockState currentState);
+    protected abstract boolean partOfMask(int x, int y, int z, IBlockState currentState);
 
     @Override
-    public boolean inSchematic(int x, int y, int z, BlockState currentState) {
+    public boolean inSchematic(int x, int y, int z, IBlockState currentState) {
         return schematic.inSchematic(x, y, z, currentState) && partOfMask(x, y, z, currentState);
     }
 
     @Override
-    public BlockState desiredState(int x, int y, int z, BlockState current, List<BlockState> approxPlaceable) {
+    public IBlockState desiredState(int x, int y, int z, IBlockState current, List<IBlockState> approxPlaceable) {
         return schematic.desiredState(x, y, z, current, approxPlaceable);
     }
 }

src/api/java/baritone/api/schematic/ReplaceSchematic.java

@@ -18,7 +18,7 @@
 package baritone.api.schematic;
 
 import baritone.api.utils.BlockOptionalMetaLookup;
-import net.minecraft.block.BlockState;
+import net.minecraft.block.state.IBlockState;
 
 public class ReplaceSchematic extends MaskSchematic {
 
@@ -32,7 +32,7 @@ public class ReplaceSchematic extends MaskSchematic {
     }
 
     @Override
-    protected boolean partOfMask(int x, int y, int z, BlockState currentState) {
+    protected boolean partOfMask(int x, int y, int z, IBlockState currentState) {
         if (cache[x][y][z] == null) {
             cache[x][y][z] = filter.has(currentState);
         }

src/api/java/baritone/api/schematic/ShellSchematic.java

@@ -17,7 +17,7 @@
 
 package baritone.api.schematic;
 
-import net.minecraft.block.BlockState;
+import net.minecraft.block.state.IBlockState;
 
 public class ShellSchematic extends MaskSchematic {
 
@@ -26,7 +26,7 @@ public class ShellSchematic extends MaskSchematic {
     }
 
     @Override
-    protected boolean partOfMask(int x, int y, int z, BlockState currentState) {
+    protected boolean partOfMask(int x, int y, int z, IBlockState currentState) {
         return x == 0 || y == 0 || z == 0 || x == widthX() - 1 || y == heightY() - 1 || z == lengthZ() - 1;
     }
 }

src/api/java/baritone/api/schematic/WallsSchematic.java

@@ -17,7 +17,7 @@
 
 package baritone.api.schematic;
 
-import net.minecraft.block.BlockState;
+import net.minecraft.block.state.IBlockState;
 
 public class WallsSchematic extends MaskSchematic {
 
@@ -26,7 +26,7 @@ public class WallsSchematic extends MaskSchematic {
     }
 
     @Override
-    protected boolean partOfMask(int x, int y, int z, BlockState currentState) {
+    protected boolean partOfMask(int x, int y, int z, IBlockState currentState) {
         return x == 0 || z == 0 || x == widthX() - 1 || z == lengthZ() - 1;
     }
 }

src/api/java/baritone/api/selection/ISelection.java

@@ -18,7 +18,7 @@
 package baritone.api.selection;
 
 import baritone.api.utils.BetterBlockPos;
-import net.minecraft.util.Direction;
+import net.minecraft.util.EnumFacing;
 import net.minecraft.util.math.AxisAlignedBB;
 import net.minecraft.util.math.Vec3i;
 
@@ -65,7 +65,7 @@ public interface ISelection {
      * @param blocks    How many blocks to expand it.
      * @return A new selection, expanded as specified.
      */
-    ISelection expand(Direction direction, int blocks);
+    ISelection expand(EnumFacing direction, int blocks);
 
     /**
      * Returns a new {@link ISelection} contracted in the specified direction by the specified number of blocks.
@@ -77,7 +77,7 @@ public interface ISelection {
      * @param blocks    How many blocks to contract it.
      * @return A new selection, contracted as specified.
      */
-    ISelection contract(Direction direction, int blocks);
+    ISelection contract(EnumFacing direction, int blocks);
 
     /**
      * Returns a new {@link ISelection} shifted in the specified direction by the specified number of blocks. This moves
@@ -87,5 +87,5 @@ public interface ISelection {
      * @param blocks    How many blocks to shift it.
      * @return A new selection, shifted as specified.
      */
-    ISelection shift(Direction direction, int blocks);
+    ISelection shift(EnumFacing direction, int blocks);
 }

src/api/java/baritone/api/selection/ISelectionManager.java

@@ -18,7 +18,7 @@
 package baritone.api.selection;
 
 import baritone.api.utils.BetterBlockPos;
-import net.minecraft.util.Direction;
+import net.minecraft.util.EnumFacing;
 
 /**
  * The selection manager handles setting Baritone's selections. You can set the selection here, as well as retrieving
@@ -87,7 +87,7 @@ public interface ISelectionManager {
      * @param blocks    How many blocks to expand it.
      * @return The new selection, expanded as specified.
      */
-    ISelection expand(ISelection selection, Direction direction, int blocks);
+    ISelection expand(ISelection selection, EnumFacing direction, int blocks);
 
     /**
      * Replaces the specified {@link ISelection} with one contracted in the specified direction by the specified number
@@ -101,7 +101,7 @@ public interface ISelectionManager {
      * @param blocks    How many blocks to contract it.
      * @return The new selection, contracted as specified.
      */
-    ISelection contract(ISelection selection, Direction direction, int blocks);
+    ISelection contract(ISelection selection, EnumFacing direction, int blocks);
 
     /**
      * Replaces the specified {@link ISelection} with one shifted in the specified direction by the specified number of
@@ -112,5 +112,5 @@ public interface ISelectionManager {
      * @param blocks    How many blocks to shift it.
      * @return The new selection, shifted as specified.
      */
-    ISelection shift(ISelection selection, Direction direction, int blocks);
+    ISelection shift(ISelection selection, EnumFacing direction, int blocks);
 }

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

@@ -17,7 +17,7 @@
 
 package baritone.api.utils;
 
-import net.minecraft.util.Direction;
+import net.minecraft.util.EnumFacing;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.util.math.MathHelper;
 import net.minecraft.util.math.Vec3i;
@@ -120,10 +120,10 @@ public final class BetterBlockPos extends BlockPos {
         // this is unimaginably faster than blockpos.up
         // that literally calls
         // this.up(1)
-        // which calls this.offset(Direction.UP, 1)
+        // which calls this.offset(EnumFacing.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(Direction, int), new BlockPos, getX, getXOffset, getY, getYOffset, getZ, getZOffset
+        // how many function calls is that? up(), up(int), offset(EnumFacing, int), new BlockPos, getX, getXOffset, getY, getYOffset, getZ, getZOffset
         // that's ten.
         // this is one function call.
         return new BetterBlockPos(x, y + 1, z);
@@ -148,13 +148,13 @@ public final class BetterBlockPos extends BlockPos {
     }
 
     @Override
-    public BetterBlockPos offset(Direction dir) {
+    public BetterBlockPos offset(EnumFacing dir) {
         Vec3i vec = dir.getDirectionVec();
         return new BetterBlockPos(x + vec.getX(), y + vec.getY(), z + vec.getZ());
     }
 
     @Override
-    public BetterBlockPos offset(Direction dir, int dist) {
+    public BetterBlockPos offset(EnumFacing dir, int dist) {
         if (dist == 0) {
             return this;
         }

src/api/java/baritone/api/utils/BlockOptionalMeta.java

@@ -19,40 +19,30 @@ package baritone.api.utils;
 
 import baritone.api.utils.accessor.IItemStack;
 import com.google.common.collect.ImmutableSet;
-import io.netty.util.concurrent.ThreadPerTaskExecutor;
 import net.minecraft.block.*;
-import net.minecraft.client.Minecraft;
-import net.minecraft.item.Item;
+import net.minecraft.block.state.IBlockState;
 import net.minecraft.item.ItemStack;
-import net.minecraft.resources.*;
 import net.minecraft.state.IProperty;
 import net.minecraft.state.properties.*;
-import net.minecraft.util.Direction;
+import net.minecraft.util.EnumFacing;
 import net.minecraft.util.ResourceLocation;
-import net.minecraft.util.Unit;
-import net.minecraft.util.math.BlockPos;
-import net.minecraft.util.registry.Registry;
-import net.minecraft.world.storage.loot.*;
+import net.minecraft.util.registry.IRegistry;
 
 import javax.annotation.Nonnull;
 import java.util.*;
-import java.util.concurrent.CompletableFuture;
 import java.util.function.Consumer;
 import java.util.regex.MatchResult;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
-import java.util.stream.Collectors;
 
 public final class BlockOptionalMeta {
 
     private final Block block;
-    private final Set<BlockState> blockstates;
+    private final Set<IBlockState> blockstates;
     private final ImmutableSet<Integer> stateHashes;
     private final ImmutableSet<Integer> stackHashes;
     private static final Pattern pattern = Pattern.compile("^(.+?)(?::(\\d+))?$");
     private static final Map<Object, Object> normalizations;
-    private static LootTableManager manager;
-    private static Map<Block, List<Item>> drops = new HashMap<>();
 
     public BlockOptionalMeta(@Nonnull Block block) {
         this.block = block;
@@ -72,11 +62,11 @@ public final class BlockOptionalMeta {
 
         ResourceLocation id = new ResourceLocation(matchResult.group(1));
 
-        if (!Registry.BLOCK.containsKey(id)) {
+        if (!IRegistry.BLOCK.containsKey(id)) {
             throw new IllegalArgumentException("Invalid block ID");
         }
 
-        block = Registry.BLOCK.getValue(id).orElse(null);
+        block = IRegistry.BLOCK.get(id);
         blockstates = getStates(block);
         stateHashes = getStateHashes(blockstates);
         stackHashes = getStackHashes(blockstates);
@@ -85,8 +75,8 @@ public final class BlockOptionalMeta {
     static {
         Map<Object, Object> _normalizations = new HashMap<>();
         Consumer<Enum> put = instance -> _normalizations.put(instance.getClass(), instance);
-        put.accept(Direction.NORTH);
-        put.accept(Direction.Axis.Y);
+        put.accept(EnumFacing.NORTH);
+        put.accept(EnumFacing.Axis.Y);
         put.accept(Half.BOTTOM);
         put.accept(StairsShape.STRAIGHT);
         put.accept(AttachFace.FLOOR);
@@ -95,80 +85,80 @@ public final class BlockOptionalMeta {
         put.accept(DoorHingeSide.LEFT);
         put.accept(BedPart.HEAD);
         put.accept(RailShape.NORTH_SOUTH);
-        _normalizations.put(BannerBlock.ROTATION, 0);
-        _normalizations.put(BedBlock.OCCUPIED, false);
-        _normalizations.put(BrewingStandBlock.HAS_BOTTLE[0], false);
-        _normalizations.put(BrewingStandBlock.HAS_BOTTLE[1], false);
-        _normalizations.put(BrewingStandBlock.HAS_BOTTLE[2], false);
-        _normalizations.put(AbstractButtonBlock.POWERED, false);
+        _normalizations.put(BlockBanner.ROTATION, 0);
+        _normalizations.put(BlockBed.OCCUPIED, false);
+        _normalizations.put(BlockBrewingStand.HAS_BOTTLE[0], false);
+        _normalizations.put(BlockBrewingStand.HAS_BOTTLE[1], false);
+        _normalizations.put(BlockBrewingStand.HAS_BOTTLE[2], false);
+        _normalizations.put(BlockButton.POWERED, false);
         // _normalizations.put(BlockCactus.AGE, 0);
         // _normalizations.put(BlockCauldron.LEVEL, 0);
         // _normalizations.put(BlockChorusFlower.AGE, 0);
-        _normalizations.put(ChorusPlantBlock.NORTH, false);
-        _normalizations.put(ChorusPlantBlock.EAST, false);
-        _normalizations.put(ChorusPlantBlock.SOUTH, false);
-        _normalizations.put(ChorusPlantBlock.WEST, false);
-        _normalizations.put(ChorusPlantBlock.UP, false);
-        _normalizations.put(ChorusPlantBlock.DOWN, false);
+        _normalizations.put(BlockChorusPlant.NORTH, false);
+        _normalizations.put(BlockChorusPlant.EAST, false);
+        _normalizations.put(BlockChorusPlant.SOUTH, false);
+        _normalizations.put(BlockChorusPlant.WEST, false);
+        _normalizations.put(BlockChorusPlant.UP, false);
+        _normalizations.put(BlockChorusPlant.DOWN, false);
         // _normalizations.put(BlockCocoa.AGE, 0);
         // _normalizations.put(BlockCrops.AGE, 0);
-        _normalizations.put(SnowyDirtBlock.SNOWY, false);
-        _normalizations.put(DoorBlock.OPEN, false);
-        _normalizations.put(DoorBlock.POWERED, false);
+        _normalizations.put(BlockDirtSnowy.SNOWY, false);
+        _normalizations.put(BlockDoor.OPEN, false);
+        _normalizations.put(BlockDoor.POWERED, false);
         // _normalizations.put(BlockFarmland.MOISTURE, 0);
-        _normalizations.put(FenceBlock.NORTH, false);
-        _normalizations.put(FenceBlock.EAST, false);
-        _normalizations.put(FenceBlock.WEST, false);
-        _normalizations.put(FenceBlock.SOUTH, false);
+        _normalizations.put(BlockFence.NORTH, false);
+        _normalizations.put(BlockFence.EAST, false);
+        _normalizations.put(BlockFence.WEST, false);
+        _normalizations.put(BlockFence.SOUTH, false);
         // _normalizations.put(BlockFenceGate.POWERED, false);
         // _normalizations.put(BlockFenceGate.IN_WALL, false);
-        _normalizations.put(FireBlock.AGE, 0);
-        _normalizations.put(FireBlock.NORTH, false);
-        _normalizations.put(FireBlock.EAST, false);
-        _normalizations.put(FireBlock.SOUTH, false);
-        _normalizations.put(FireBlock.WEST, false);
-        _normalizations.put(FireBlock.UP, false);
+        _normalizations.put(BlockFire.AGE, 0);
+        _normalizations.put(BlockFire.NORTH, false);
+        _normalizations.put(BlockFire.EAST, false);
+        _normalizations.put(BlockFire.SOUTH, false);
+        _normalizations.put(BlockFire.WEST, false);
+        _normalizations.put(BlockFire.UP, false);
         // _normalizations.put(BlockFrostedIce.AGE, 0);
-        _normalizations.put(GrassBlock.SNOWY, false);
+        _normalizations.put(BlockGrass.SNOWY, false);
         // _normalizations.put(BlockHopper.ENABLED, true);
         // _normalizations.put(BlockLever.POWERED, false);
         // _normalizations.put(BlockLiquid.LEVEL, 0);
         // _normalizations.put(BlockMycelium.SNOWY, false);
         // _normalizations.put(BlockNetherWart.AGE, false);
-        _normalizations.put(LeavesBlock.DISTANCE, false);
+        _normalizations.put(BlockLeaves.DISTANCE, false);
         // _normalizations.put(BlockLeaves.DECAYABLE, false);
         // _normalizations.put(BlockObserver.POWERED, false);
-        _normalizations.put(PaneBlock.NORTH, false);
-        _normalizations.put(PaneBlock.EAST, false);
-        _normalizations.put(PaneBlock.WEST, false);
-        _normalizations.put(PaneBlock.SOUTH, false);
+        _normalizations.put(BlockPane.NORTH, false);
+        _normalizations.put(BlockPane.EAST, false);
+        _normalizations.put(BlockPane.WEST, false);
+        _normalizations.put(BlockPane.SOUTH, false);
         // _normalizations.put(BlockPistonBase.EXTENDED, false);
         // _normalizations.put(BlockPressurePlate.POWERED, false);
         // _normalizations.put(BlockPressurePlateWeighted.POWER, false);
         // _normalizations.put(BlockRailDetector.POWERED, false);
         // _normalizations.put(BlockRailPowered.POWERED, false);
-        _normalizations.put(RedstoneWireBlock.NORTH, false);
-        _normalizations.put(RedstoneWireBlock.EAST, false);
-        _normalizations.put(RedstoneWireBlock.SOUTH, false);
-        _normalizations.put(RedstoneWireBlock.WEST, false);
+        _normalizations.put(BlockRedstoneWire.NORTH, false);
+        _normalizations.put(BlockRedstoneWire.EAST, false);
+        _normalizations.put(BlockRedstoneWire.SOUTH, false);
+        _normalizations.put(BlockRedstoneWire.WEST, false);
         // _normalizations.put(BlockReed.AGE, false);
-        _normalizations.put(SaplingBlock.STAGE, 0);
-        _normalizations.put(StandingSignBlock.ROTATION, 0);
-        _normalizations.put(StemBlock.AGE, 0);
-        _normalizations.put(TripWireBlock.NORTH, false);
-        _normalizations.put(TripWireBlock.EAST, false);
-        _normalizations.put(TripWireBlock.WEST, false);
-        _normalizations.put(TripWireBlock.SOUTH, false);
-        _normalizations.put(VineBlock.NORTH, false);
-        _normalizations.put(VineBlock.EAST, false);
-        _normalizations.put(VineBlock.SOUTH, false);
-        _normalizations.put(VineBlock.WEST, false);
-        _normalizations.put(VineBlock.UP, false);
-        _normalizations.put(WallBlock.UP, false);
-        _normalizations.put(WallBlock.NORTH, false);
-        _normalizations.put(WallBlock.EAST, false);
-        _normalizations.put(WallBlock.WEST, false);
-        _normalizations.put(WallBlock.SOUTH, false);
+        _normalizations.put(BlockSapling.STAGE, 0);
+        _normalizations.put(BlockStandingSign.ROTATION, 0);
+        _normalizations.put(BlockStem.AGE, 0);
+        _normalizations.put(BlockTripWire.NORTH, false);
+        _normalizations.put(BlockTripWire.EAST, false);
+        _normalizations.put(BlockTripWire.WEST, false);
+        _normalizations.put(BlockTripWire.SOUTH, false);
+        _normalizations.put(BlockVine.NORTH, false);
+        _normalizations.put(BlockVine.EAST, false);
+        _normalizations.put(BlockVine.SOUTH, false);
+        _normalizations.put(BlockVine.WEST, false);
+        _normalizations.put(BlockVine.UP, false);
+        _normalizations.put(BlockWall.UP, false);
+        _normalizations.put(BlockWall.NORTH, false);
+        _normalizations.put(BlockWall.EAST, false);
+        _normalizations.put(BlockWall.WEST, false);
+        _normalizations.put(BlockWall.SOUTH, false);
         normalizations = Collections.unmodifiableMap(_normalizations);
     }
 
@@ -182,8 +172,8 @@ public final class BlockOptionalMeta {
         return (C) value;
     }
 
-    public static BlockState normalize(BlockState state) {
-        BlockState newState = state;
+    public static IBlockState normalize(IBlockState state) {
+        IBlockState newState = state;
 
         for (IProperty<?> property : state.getProperties()) {
             Class<?> valueClass = property.getValueClass();
@@ -214,30 +204,30 @@ public final class BlockOptionalMeta {
         return newState;
     }
 
-    public static int stateMeta(BlockState state) {
+    public static int stateMeta(IBlockState state) {
         return state.hashCode();
     }
 
-    private static Set<BlockState> getStates(@Nonnull Block block) {
+    private static Set<IBlockState> getStates(@Nonnull Block block) {
         return new HashSet<>(block.getStateContainer().getValidStates());
     }
 
-    private static ImmutableSet<Integer> getStateHashes(Set<BlockState> blockstates) {
+    private static ImmutableSet<Integer> getStateHashes(Set<IBlockState> blockstates) {
         return ImmutableSet.copyOf(
                 blockstates.stream()
-                        .map(BlockState::hashCode)
+                        .map(IBlockState::hashCode)
                         .toArray(Integer[]::new)
         );
     }
 
-    private static ImmutableSet<Integer> getStackHashes(Set<BlockState> blockstates) {
+    private static ImmutableSet<Integer> getStackHashes(Set<IBlockState> blockstates) {
         //noinspection ConstantConditions
         return ImmutableSet.copyOf(
                 blockstates.stream()
-                        .flatMap(state -> drops(state.getBlock())
-                                .stream()
-                                .map(item -> new ItemStack(item, 1))
-                        )
+                        .map(state -> new ItemStack(
+                                state.getBlock().getItemDropped(state, null, null, 0).asItem(),
+                                1
+                        ))
                         .map(stack -> ((IItemStack) (Object) stack).getBaritoneHash())
                         .toArray(Integer[]::new)
         );
@@ -251,7 +241,7 @@ public final class BlockOptionalMeta {
         return block == this.block;
     }
 
-    public boolean matches(@Nonnull BlockState blockstate) {
+    public boolean matches(@Nonnull IBlockState blockstate) {
         Block block = blockstate.getBlock();
         return block == this.block && stateHashes.contains(blockstate.hashCode());
     }
@@ -270,43 +260,11 @@ public final class BlockOptionalMeta {
         return String.format("BlockOptionalMeta{block=%s}", block);
     }
 
-    public BlockState getAnyBlockState() {
+    public IBlockState getAnyBlockState() {
         if (blockstates.size() > 0) {
             return blockstates.iterator().next();
         }
 
         return null;
     }
-
-    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(new ThreadPerTaskExecutor(Thread::new), new ThreadPerTaskExecutor(Thread::new), Collections.singletonList(thePack), CompletableFuture.completedFuture(Unit.INSTANCE)).get();
-            } catch (Exception exception) {
-                throw new RuntimeException(exception);
-            }
-        }
-        return manager;
-    }
-
-    private static List<Item> drops(Block b) {
-        if (!Minecraft.getInstance().isOnExecutionThread()) {
-            throw new IllegalStateException();
-        }
-        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());
-            }
-        });
-    }
 }

src/api/java/baritone/api/utils/BlockOptionalMetaLookup.java

@@ -18,7 +18,7 @@
 package baritone.api.utils;
 
 import net.minecraft.block.Block;
-import net.minecraft.block.BlockState;
+import net.minecraft.block.state.IBlockState;
 import net.minecraft.item.ItemStack;
 
 import java.util.Arrays;
@@ -61,7 +61,7 @@ public class BlockOptionalMetaLookup {
         return false;
     }
 
-    public boolean has(BlockState state) {
+    public boolean has(IBlockState state) {
         for (BlockOptionalMeta bom : boms) {
             if (bom.matches(state)) {
                 return true;

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

@@ -19,7 +19,7 @@ package baritone.api.utils;
 
 import net.minecraft.block.Block;
 import net.minecraft.util.ResourceLocation;
-import net.minecraft.util.registry.Registry;
+import net.minecraft.util.registry.IRegistry;
 
 import java.util.HashMap;
 import java.util.Map;
@@ -29,7 +29,7 @@ public class BlockUtils {
     private static transient Map<String, Block> resourceCache = new HashMap<>();
 
     public static String blockToString(Block block) {
-        ResourceLocation loc = Registry.BLOCK.getKey(block);
+        ResourceLocation loc = IRegistry.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?
@@ -57,7 +57,7 @@ public class BlockUtils {
         if (resourceCache.containsKey(name)) {
             return null; // cached as null
         }
-        block = Registry.BLOCK.getValue(ResourceLocation.tryCreate(name.contains(":") ? name : "minecraft:" + name)).orElse(null);
+        block = IRegistry.BLOCK.get(ResourceLocation.tryCreate(name.contains(":") ? name : "minecraft:" + name));
         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/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.StringTextComponent;
+import net.minecraft.util.text.TextComponentString;
 import net.minecraft.util.text.TextFormatting;
 
 import java.util.Arrays;
@@ -47,11 +47,11 @@ public interface Helper {
 
     static ITextComponent getPrefix() {
         // Inner text component
-        ITextComponent baritone = new StringTextComponent(BaritoneAPI.getSettings().shortBaritonePrefix.value ? "B" : "Baritone");
+        ITextComponent baritone = new TextComponentString(BaritoneAPI.getSettings().shortBaritonePrefix.value ? "B" : "Baritone");
         baritone.getStyle().setColor(TextFormatting.LIGHT_PURPLE);
 
         // Outer brackets
-        ITextComponent prefix = new StringTextComponent("");
+        ITextComponent prefix = new TextComponentString("");
         prefix.getStyle().setColor(TextFormatting.DARK_PURPLE);
         prefix.appendText("[");
         prefix.appendSibling(baritone);
@@ -80,11 +80,11 @@ public interface Helper {
      * @param components The components to send
      */
     default void logDirect(ITextComponent... components) {
-        ITextComponent component = new StringTextComponent("");
+        ITextComponent component = new TextComponentString("");
         component.appendSibling(getPrefix());
-        component.appendSibling(new StringTextComponent(" "));
+        component.appendSibling(new TextComponentString(" "));
         Arrays.asList(components).forEach(component::appendSibling);
-        mc.execute(() -> BaritoneAPI.getSettings().logger.value.accept(component));
+        mc.addScheduledTask(() -> BaritoneAPI.getSettings().logger.value.accept(component));
     }
 
     /**
@@ -96,7 +96,7 @@ public interface Helper {
      */
     default void logDirect(String message, TextFormatting color) {
         Stream.of(message.split("\n")).forEach(line -> {
-            ITextComponent component = new StringTextComponent(line.replace("\t", "    "));
+            ITextComponent component = new TextComponentString(line.replace("\t", "    "));
             component.getStyle().setColor(color);
             logDirect(component);
         });

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

@@ -18,16 +18,15 @@
 package baritone.api.utils;
 
 import baritone.api.cache.IWorldData;
-import net.minecraft.block.SlabBlock;
-import net.minecraft.client.entity.player.ClientPlayerEntity;
-import net.minecraft.client.world.ClientWorld;
+import net.minecraft.block.BlockSlab;
+import net.minecraft.client.entity.EntityPlayerSP;
 import net.minecraft.entity.Entity;
-import net.minecraft.util.math.*;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.RayTraceResult;
+import net.minecraft.util.math.Vec3d;
 import net.minecraft.world.World;
 
 import java.util.Optional;
-import java.util.stream.Stream;
-import java.util.stream.StreamSupport;
 
 /**
  * @author Brady
@@ -35,21 +34,12 @@ import java.util.stream.StreamSupport;
  */
 public interface IPlayerContext {
 
-    ClientPlayerEntity player();
+    EntityPlayerSP 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();
@@ -67,7 +57,7 @@ public interface IPlayerContext {
         // this does not impact performance at all since we're not null checking constantly
         // if there is an exception, the only overhead is Java generating the exception object... so we can ignore it
         try {
-            if (world().getBlockState(feet).getBlock() instanceof SlabBlock) {
+            if (world().getBlockState(feet).getBlock() instanceof BlockSlab) {
                 return feet.up();
             }
         } catch (NullPointerException ignored) {}
@@ -94,8 +84,8 @@ public interface IPlayerContext {
      */
     default Optional<BlockPos> getSelectedBlock() {
         RayTraceResult result = objectMouseOver();
-        if (result != null && result.getType() == RayTraceResult.Type.BLOCK) {
-            return Optional.of(((BlockRayTraceResult) result).getPos());
+        if (result != null && result.type == RayTraceResult.Type.BLOCK) {
+            return Optional.of(result.getBlockPos());
         }
         return Optional.empty();
     }
@@ -111,8 +101,8 @@ public interface IPlayerContext {
      */
     default Optional<Entity> getSelectedEntity() {
         RayTraceResult result = objectMouseOver();
-        if (result != null && result.getType() == RayTraceResult.Type.ENTITY) {
-            return Optional.of(((EntityRayTraceResult) result).getEntity());
+        if (result != null && result.type == RayTraceResult.Type.ENTITY) {
+            return Optional.of(result.entity);
         }
         return Optional.empty();
     }

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

@@ -17,15 +17,15 @@
 
 package baritone.api.utils;
 
-import net.minecraft.client.entity.player.ClientPlayerEntity;
-import net.minecraft.entity.player.PlayerEntity;
-import net.minecraft.inventory.container.ClickType;
+import net.minecraft.client.entity.EntityPlayerSP;
+import net.minecraft.entity.player.EntityPlayer;
+import net.minecraft.inventory.ClickType;
 import net.minecraft.item.ItemStack;
-import net.minecraft.util.ActionResultType;
-import net.minecraft.util.Direction;
-import net.minecraft.util.Hand;
+import net.minecraft.util.EnumActionResult;
+import net.minecraft.util.EnumFacing;
+import net.minecraft.util.EnumHand;
 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;
 
@@ -39,19 +39,19 @@ public interface IPlayerController {
 
     boolean hasBrokenBlock();
 
-    boolean onPlayerDamageBlock(BlockPos pos, Direction side);
+    boolean onPlayerDamageBlock(BlockPos pos, EnumFacing side);
 
     void resetBlockRemoving();
 
-    ItemStack windowClick(int windowId, int slotId, int mouseButton, ClickType type, PlayerEntity player);
+    ItemStack windowClick(int windowId, int slotId, int mouseButton, ClickType type, EntityPlayer player);
 
     GameType getGameType();
 
-    ActionResultType processRightClickBlock(ClientPlayerEntity player, World world, Hand hand, BlockRayTraceResult result);
+    EnumActionResult processRightClickBlock(EntityPlayerSP player, World world, BlockPos pos, EnumFacing direction, Vec3d vec, EnumHand hand);
 
-    ActionResultType processRightClick(ClientPlayerEntity player, World world, Hand hand);
+    EnumActionResult processRightClick(EntityPlayerSP player, World world, EnumHand hand);
 
-    boolean clickBlock(BlockPos loc, Direction face);
+    boolean clickBlock(BlockPos loc, EnumFacing face);
 
     void setHittingBlock(boolean hittingBlock);
 

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

@@ -18,7 +18,7 @@
 package baritone.api.utils;
 
 import net.minecraft.entity.Entity;
-import net.minecraft.util.math.RayTraceContext;
+import net.minecraft.util.math.RayTraceFluidMode;
 import net.minecraft.util.math.RayTraceResult;
 import net.minecraft.util.math.Vec3d;
 
@@ -48,6 +48,6 @@ public final class RayTraceUtils {
                 direction.y * blockReachDistance,
                 direction.z * blockReachDistance
         );
-        return entity.world.rayTraceBlocks(new RayTraceContext(start, end, RayTraceContext.BlockMode.OUTLINE, RayTraceContext.FluidMode.NONE, entity));
+        return entity.world.rayTraceBlocks(start, end, RayTraceFluidMode.NEVER, false, true);
     }
 }

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

@@ -19,12 +19,15 @@ package baritone.api.utils;
 
 import baritone.api.BaritoneAPI;
 import baritone.api.IBaritone;
-import net.minecraft.block.BlockState;
-import net.minecraft.block.FireBlock;
-import net.minecraft.client.entity.player.ClientPlayerEntity;
+import net.minecraft.block.BlockFire;
+import net.minecraft.block.state.IBlockState;
+import net.minecraft.client.entity.EntityPlayerSP;
 import net.minecraft.entity.Entity;
-import net.minecraft.util.Direction;
-import net.minecraft.util.math.*;
+import net.minecraft.util.EnumFacing;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.MathHelper;
+import net.minecraft.util.math.RayTraceResult;
+import net.minecraft.util.math.Vec3d;
 import net.minecraft.util.math.shapes.VoxelShape;
 import net.minecraft.util.math.shapes.VoxelShapes;
 
@@ -137,7 +140,7 @@ public final class RotationUtils {
      * @param ctx Context for the viewing entity
      * @param pos The target block position
      * @return The optional rotation
-     * @see #reachable(ClientPlayerEntity, BlockPos, double)
+     * @see #reachable(EntityPlayerSP, BlockPos, double)
      */
     public static Optional<Rotation> reachable(IPlayerContext ctx, BlockPos pos) {
         return reachable(ctx.player(), pos, ctx.playerController().getBlockReachDistance());
@@ -155,7 +158,7 @@ public final class RotationUtils {
      * @param blockReachDistance The block reach distance of the entity
      * @return The optional rotation
      */
-    public static Optional<Rotation> reachable(ClientPlayerEntity entity, BlockPos pos, double blockReachDistance) {
+    public static Optional<Rotation> reachable(EntityPlayerSP entity, BlockPos pos, double blockReachDistance) {
         IBaritone baritone = BaritoneAPI.getProvider().getBaritoneForPlayer(entity);
         if (baritone.getPlayerContext().isLookingAt(pos)) {
             /*
@@ -176,15 +179,15 @@ public final class RotationUtils {
             return possibleRotation;
         }
 
-        BlockState state = entity.world.getBlockState(pos);
+        IBlockState 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 = 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);
+            double xDiff = shape.getStart(EnumFacing.Axis.X) * sideOffset.x + shape.getEnd(EnumFacing.Axis.X) * (1 - sideOffset.x);
+            double yDiff = shape.getStart(EnumFacing.Axis.Y) * sideOffset.y + shape.getEnd(EnumFacing.Axis.Y) * (1 - sideOffset.y);
+            double zDiff = shape.getStart(EnumFacing.Axis.Z) * sideOffset.z + shape.getEnd(EnumFacing.Axis.Z) * (1 - sideOffset.z);
             possibleRotation = reachableOffset(entity, pos, new Vec3d(pos).add(xDiff, yDiff, zDiff), blockReachDistance);
             if (possibleRotation.isPresent()) {
                 return possibleRotation;
@@ -208,11 +211,11 @@ public final class RotationUtils {
         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.getType() == RayTraceResult.Type.BLOCK) {
-            if (((BlockRayTraceResult) result).getPos().equals(pos)) {
+        if (result != null && result.type == RayTraceResult.Type.BLOCK) {
+            if (result.getBlockPos().equals(pos)) {
                 return Optional.of(rotation);
             }
-            if (entity.world.getBlockState(pos).getBlock() instanceof FireBlock && ((BlockRayTraceResult) result).getPos().equals(pos.down())) {
+            if (entity.world.getBlockState(pos).getBlock() instanceof BlockFire && result.getBlockPos().equals(pos.down())) {
                 return Optional.of(rotation);
             }
         }

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

@@ -22,10 +22,10 @@ import baritone.api.Settings;
 import net.minecraft.block.Block;
 import net.minecraft.client.Minecraft;
 import net.minecraft.item.Item;
-import net.minecraft.util.Direction;
+import net.minecraft.util.EnumFacing;
 import net.minecraft.util.ResourceLocation;
 import net.minecraft.util.math.Vec3i;
-import net.minecraft.util.registry.Registry;
+import net.minecraft.util.registry.IRegistry;
 
 import java.awt.*;
 import java.io.BufferedReader;
@@ -218,7 +218,7 @@ public class SettingsUtil {
         FLOAT(Float.class, Float::parseFloat),
         LONG(Long.class, Long::parseLong),
         STRING(String.class, String::new),
-        DIRECTION(Direction.class, Direction::byName),
+        ENUMFACING(EnumFacing.class, EnumFacing::byName),
         COLOR(
                 Color.class,
                 str -> new Color(Integer.parseInt(str.split(",")[0]), Integer.parseInt(str.split(",")[1]), Integer.parseInt(str.split(",")[2])),
@@ -236,8 +236,8 @@ public class SettingsUtil {
         ),
         ITEM(
                 Item.class,
-                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()
+                str -> IRegistry.ITEM.get(new ResourceLocation(str.trim())),
+                item -> IRegistry.ITEM.getKey(item).toString()
         ),
         LIST() {
             @Override

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

@@ -17,10 +17,10 @@
 
 package baritone.api.utils;
 
-import net.minecraft.block.BlockState;
-import net.minecraft.block.FireBlock;
+import net.minecraft.block.BlockFire;
+import net.minecraft.block.state.IBlockState;
 import net.minecraft.entity.Entity;
-import net.minecraft.util.Direction;
+import net.minecraft.util.EnumFacing;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.util.math.Vec3d;
 import net.minecraft.util.math.shapes.VoxelShape;
@@ -43,18 +43,18 @@ public final class VecUtils {
      * @see #getBlockPosCenter(BlockPos)
      */
     public static Vec3d calculateBlockCenter(World world, BlockPos pos) {
-        BlockState b = world.getBlockState(pos);
+        IBlockState 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;
+        double xDiff = (shape.getStart(EnumFacing.Axis.X) + shape.getEnd(EnumFacing.Axis.X)) / 2;
+        double yDiff = (shape.getStart(EnumFacing.Axis.Y) + shape.getEnd(EnumFacing.Axis.Y)) / 2;
+        double zDiff = (shape.getStart(EnumFacing.Axis.Z) + shape.getEnd(EnumFacing.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
+        if (b.getBlock() instanceof BlockFire) {//look at bottom of fire when putting it out
             yDiff = 0;
         }
         return new Vec3d(

src/launch/java/baritone/launch/mixins/MixinAnvilChunkLoader.java

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

src/launch/java/baritone/launch/mixins/MixinBlockStateContainer.java

@@ -19,7 +19,7 @@ package baritone.launch.mixins;
 
 import baritone.utils.accessor.IBitArray;
 import baritone.utils.accessor.IBlockStateContainer;
-import net.minecraft.block.BlockState;
+import net.minecraft.block.state.IBlockState;
 import net.minecraft.util.BitArray;
 import net.minecraft.world.chunk.BlockStateContainer;
 import net.minecraft.world.chunk.IBlockStatePalette;
@@ -33,10 +33,10 @@ public abstract class MixinBlockStateContainer implements IBlockStateContainer {
     protected BitArray storage;
 
     @Shadow
-    protected IBlockStatePalette<BlockState> palette;
+    protected IBlockStatePalette<IBlockState> palette;
 
     @Override
-    public BlockState getAtPalette(int index) {
+    public IBlockState getAtPalette(int index) {
         return palette.get(index);
     }
 

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

@@ -1,92 +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.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

@@ -15,20 +15,25 @@
  * along with Baritone.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-package baritone.utils.accessor;
+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;
 
-import java.util.concurrent.atomic.AtomicReferenceArray;
+@Mixin(ChunkProviderClient.class)
+public class MixinChunkProviderClient implements IChunkProviderClient {
 
-public interface IChunkArray {
-    void copyFrom(IChunkArray other);
+    @Shadow
+    @Final
+    private Long2ObjectMap<Chunk> loadedChunks;
 
-    AtomicReferenceArray<Chunk> getChunks();
-
-    int centerX();
-
-    int centerZ();
-
-    int viewDistance();
+    @Override
+    public Long2ObjectMap<Chunk> loadedChunks() {
+        return this.loadedChunks;
+    }
 }

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

@@ -0,0 +1,42 @@
+/*
+ * 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

@@ -0,0 +1,55 @@
+/*
+ * 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.GL_ONE;
+import static org.lwjgl.opengl.GL11.GL_ZERO;
+import static org.lwjgl.opengl.GL14.GL_CONSTANT_ALPHA;
+import static org.lwjgl.opengl.GL14.GL_ONE_MINUS_CONSTANT_ALPHA;
+
+@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.getInstance().isSingleplayer() && Minecraft.getInstance().world.getChunk(renderChunkIn.getPosition()).isEmpty()) {
+            GlStateManager.enableAlphaTest();
+            GlStateManager.enableBlend();
+            GL14.glBlendColor(0, 0, 0, Baritone.settings().cachedChunksOpacity.value);
+            GlStateManager.blendFuncSeparate(GL_CONSTANT_ALPHA, GL_ONE_MINUS_CONSTANT_ALPHA, GL_ONE, GL_ZERO);
+        }
+        return renderChunkIn.getPosition();
+    }
+}

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

@@ -0,0 +1,57 @@
+/*
+ * 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.getInstance().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

@@ -1,61 +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.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/MixinEntity.java

@@ -1,60 +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.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/MixinEntityLivingBase.java

@@ -20,11 +20,10 @@ package baritone.launch.mixins;
 import baritone.api.BaritoneAPI;
 import baritone.api.IBaritone;
 import baritone.api.event.events.RotationMoveEvent;
-import net.minecraft.client.entity.player.ClientPlayerEntity;
+import net.minecraft.client.entity.EntityPlayerSP;
 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;
@@ -38,15 +37,15 @@ import static org.spongepowered.asm.lib.Opcodes.GETFIELD;
  * @author Brady
  * @since 9/10/2018
  */
-@Mixin(LivingEntity.class)
-public abstract class MixinLivingEntity extends Entity {
+@Mixin(EntityLivingBase.class)
+public abstract class MixinEntityLivingBase extends Entity {
 
     /**
      * Event called to override the movement direction when jumping
      */
     private RotationMoveEvent jumpRotationEvent;
 
-    public MixinLivingEntity(EntityType<?> entityTypeIn, World worldIn) {
+    public MixinEntityLivingBase(EntityType<?> entityTypeIn, World worldIn) {
         super(entityTypeIn, worldIn);
     }
 
@@ -56,8 +55,8 @@ public abstract class MixinLivingEntity extends Entity {
     )
     private void preMoveRelative(CallbackInfo ci) {
         // noinspection ConstantConditions
-        if (ClientPlayerEntity.class.isInstance(this)) {
-            IBaritone baritone = BaritoneAPI.getProvider().getBaritoneForPlayer((ClientPlayerEntity) (Object) this);
+        if (EntityPlayerSP.class.isInstance(this)) {
+            IBaritone baritone = BaritoneAPI.getProvider().getBaritoneForPlayer((EntityPlayerSP) (Object) this);
             if (baritone != null) {
                 this.jumpRotationEvent = new RotationMoveEvent(RotationMoveEvent.Type.JUMP, this.rotationYaw);
                 baritone.getGameEventHandler().onPlayerRotationMove(this.jumpRotationEvent);
@@ -70,15 +69,34 @@ public abstract class MixinLivingEntity extends Entity {
             at = @At(
                     value = "FIELD",
                     opcode = GETFIELD,
-                    target = "net/minecraft/entity/LivingEntity.rotationYaw:F"
+                    target = "net/minecraft/entity/EntityLivingBase.rotationYaw:F"
             )
     )
-    private float overrideYaw(LivingEntity self) {
-        if (self instanceof ClientPlayerEntity && BaritoneAPI.getProvider().getBaritoneForPlayer((ClientPlayerEntity) (Object) this) != null) {
+    private float overrideYaw(EntityLivingBase self) {
+        if (self instanceof EntityPlayerSP && BaritoneAPI.getProvider().getBaritoneForPlayer((EntityPlayerSP) (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/MixinEntityPlayerSP.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.player.ClientPlayerEntity;
+import net.minecraft.client.entity.EntityPlayerSP;
 import net.minecraft.client.settings.KeyBinding;
-import net.minecraft.entity.player.PlayerAbilities;
+import net.minecraft.entity.player.PlayerCapabilities;
 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(ClientPlayerEntity.class)
-public class MixinClientPlayerEntity {
+@Mixin(EntityPlayerSP.class)
+public class MixinEntityPlayerSP {
 
     @Inject(
             method = "sendChatMessage",
@@ -47,7 +47,7 @@ public class MixinClientPlayerEntity {
     )
     private void sendChatMessage(String msg, CallbackInfo ci) {
         ChatEvent event = new ChatEvent(msg);
-        IBaritone baritone = BaritoneAPI.getProvider().getBaritoneForPlayer((ClientPlayerEntity) (Object) this);
+        IBaritone baritone = BaritoneAPI.getProvider().getBaritoneForPlayer((EntityPlayerSP) (Object) this);
         if (baritone == null) {
             return;
         }
@@ -61,13 +61,13 @@ public class MixinClientPlayerEntity {
             method = "tick",
             at = @At(
                     value = "INVOKE",
-                    target = "net/minecraft/client/entity/player/ClientPlayerEntity.isPassenger()Z",
+                    target = "net/minecraft/client/entity/EntityPlayerSP.isPassenger()Z",
                     shift = At.Shift.BY,
                     by = -3
             )
     )
     private void onPreUpdate(CallbackInfo ci) {
-        IBaritone baritone = BaritoneAPI.getProvider().getBaritoneForPlayer((ClientPlayerEntity) (Object) this);
+        IBaritone baritone = BaritoneAPI.getProvider().getBaritoneForPlayer((EntityPlayerSP) (Object) this);
         if (baritone != null) {
             baritone.getGameEventHandler().onPlayerUpdate(new PlayerUpdateEvent(EventState.PRE));
         }
@@ -77,13 +77,13 @@ public class MixinClientPlayerEntity {
             method = "tick",
             at = @At(
                     value = "INVOKE",
-                    target = "net/minecraft/client/entity/player/ClientPlayerEntity.onUpdateWalkingPlayer()V",
+                    target = "net/minecraft/client/entity/EntityPlayerSP.onUpdateWalkingPlayer()V",
                     shift = At.Shift.BY,
                     by = 2
             )
     )
     private void onPostUpdate(CallbackInfo ci) {
-        IBaritone baritone = BaritoneAPI.getProvider().getBaritoneForPlayer((ClientPlayerEntity) (Object) this);
+        IBaritone baritone = BaritoneAPI.getProvider().getBaritoneForPlayer((EntityPlayerSP) (Object) this);
         if (baritone != null) {
             baritone.getGameEventHandler().onPlayerUpdate(new PlayerUpdateEvent(EventState.POST));
         }
@@ -93,11 +93,11 @@ public class MixinClientPlayerEntity {
             method = "livingTick",
             at = @At(
                     value = "FIELD",
-                    target = "net/minecraft/entity/player/PlayerAbilities.allowFlying:Z"
+                    target = "net/minecraft/entity/player/PlayerCapabilities.allowFlying:Z"
             )
     )
-    private boolean isAllowFlying(PlayerAbilities capabilities) {
-        IBaritone baritone = BaritoneAPI.getProvider().getBaritoneForPlayer((ClientPlayerEntity) (Object) this);
+    private boolean isAllowFlying(PlayerCapabilities capabilities) {
+        IBaritone baritone = BaritoneAPI.getProvider().getBaritoneForPlayer((EntityPlayerSP) (Object) this);
         if (baritone == null) {
             return capabilities.allowFlying;
         }
@@ -112,7 +112,7 @@ public class MixinClientPlayerEntity {
             )
     )
     private boolean isKeyDown(KeyBinding keyBinding) {
-        IBaritone baritone = BaritoneAPI.getProvider().getBaritoneForPlayer((ClientPlayerEntity) (Object) this);
+        IBaritone baritone = BaritoneAPI.getProvider().getBaritoneForPlayer((EntityPlayerSP) (Object) this);
         if (baritone == null) {
             return keyBinding.isKeyDown();
         }
@@ -135,7 +135,7 @@ public class MixinClientPlayerEntity {
             )
     )
     private void updateRidden(CallbackInfo cb) {
-        IBaritone baritone = BaritoneAPI.getProvider().getBaritoneForPlayer((ClientPlayerEntity) (Object) this);
+        IBaritone baritone = BaritoneAPI.getProvider().getBaritoneForPlayer((EntityPlayerSP) (Object) this);
         if (baritone != null) {
             ((LookBehavior) baritone.getLookBehavior()).pig();
         }

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

@@ -33,7 +33,7 @@ public class MixinGameRenderer {
             method = "updateCameraAndRender(FJ)V",
             at = @At(
                     value = "INVOKE_STRING",
-                    target = "Lnet/minecraft/profiler/IProfiler;endStartSection(Ljava/lang/String;)V",
+                    target = "Lnet/minecraft/profiler/Profiler;endStartSection(Ljava/lang/String;)V",
                     args = {"ldc=hand"}
             )
     )

src/launch/java/baritone/launch/mixins/MixinGuiChat.java

@@ -22,8 +22,8 @@ import baritone.api.event.events.TabCompleteEvent;
 import com.mojang.brigadier.context.StringRange;
 import com.mojang.brigadier.suggestion.Suggestion;
 import com.mojang.brigadier.suggestion.Suggestions;
-import net.minecraft.client.gui.screen.ChatScreen;
-import net.minecraft.client.gui.widget.TextFieldWidget;
+import net.minecraft.client.gui.GuiChat;
+import net.minecraft.client.gui.GuiTextField;
 import org.spongepowered.asm.mixin.Final;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.Shadow;
@@ -40,11 +40,11 @@ import java.util.stream.Stream;
  * @author Brady
  * @since 10/9/2019
  */
-@Mixin(ChatScreen.class)
-public class MixinChatScreen {
+@Mixin(GuiChat.class)
+public class MixinGuiChat {
 
     @Shadow
-    protected TextFieldWidget inputField;
+    protected GuiTextField inputField;
 
     @Shadow
     @Final

src/launch/java/baritone/launch/mixins/MixinGuiScreen.java

@@ -18,16 +18,16 @@
 package baritone.launch.mixins;
 
 import baritone.utils.accessor.IGuiScreen;
-import net.minecraft.client.gui.screen.Screen;
+import net.minecraft.client.gui.GuiScreen;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.gen.Invoker;
 
 import java.net.URI;
 
-@Mixin(Screen.class)
-public abstract class MixinScreen implements IGuiScreen {
+@Mixin(GuiScreen.class)
+public abstract class MixinGuiScreen implements IGuiScreen {
 
     @Override
-    @Invoker("openLink")
+    @Invoker("openWebLink")
     public abstract void openLink(URI url);
 }

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

@@ -1,59 +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.utils.BlockOptionalMeta;
-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 BlockOptionalMeta.getManager();
-        }
-        return server.getLootTableManager();
-    }
-}

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

@@ -25,13 +25,13 @@ 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.player.ClientPlayerEntity;
-import net.minecraft.client.gui.screen.Screen;
-import net.minecraft.client.world.ClientWorld;
+import net.minecraft.client.entity.EntityPlayerSP;
+import net.minecraft.client.gui.GuiScreen;
+import net.minecraft.client.multiplayer.WorldClient;
 import net.minecraft.item.ItemStack;
-import net.minecraft.util.ActionResultType;
-import net.minecraft.util.Hand;
-import net.minecraft.util.math.BlockRayTraceResult;
+import net.minecraft.util.EnumActionResult;
+import net.minecraft.util.EnumHand;
+import net.minecraft.util.math.BlockPos;
 import org.spongepowered.asm.lib.Opcodes;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.Shadow;
@@ -49,9 +49,9 @@ import org.spongepowered.asm.mixin.injection.callback.LocalCapture;
 public class MixinMinecraft {
 
     @Shadow
-    public ClientPlayerEntity player;
+    public EntityPlayerSP player;
     @Shadow
-    public ClientWorld world;
+    public WorldClient world;
 
     @Inject(
             method = "init",
@@ -77,7 +77,7 @@ public class MixinMinecraft {
             at = @At(
                     value = "FIELD",
                     opcode = Opcodes.GETFIELD,
-                    target = "net/minecraft/client/Minecraft.currentScreen:Lnet/minecraft/client/gui/screen/Screen;",
+                    target = "net/minecraft/client/Minecraft.currentScreen:Lnet/minecraft/client/gui/GuiScreen;",
                     ordinal = 5,
                     shift = At.Shift.BY,
                     by = -3
@@ -96,10 +96,10 @@ public class MixinMinecraft {
     }
 
     @Inject(
-            method = "loadWorld(Lnet/minecraft/client/world/ClientWorld;)V",
+            method = "loadWorld(Lnet/minecraft/client/multiplayer/WorldClient;Lnet/minecraft/client/gui/GuiScreen;)V",
             at = @At("HEAD")
     )
-    private void preLoadWorld(ClientWorld world, CallbackInfo ci) {
+    private void preLoadWorld(WorldClient world, GuiScreen loadingScreen, CallbackInfo ci) {
         // If we're unloading the world but one doesn't exist, ignore it
         if (this.world == null && world == null) {
             return;
@@ -116,10 +116,10 @@ public class MixinMinecraft {
     }
 
     @Inject(
-            method = "loadWorld(Lnet/minecraft/client/world/ClientWorld;)V",
+            method = "loadWorld(Lnet/minecraft/client/multiplayer/WorldClient;Lnet/minecraft/client/gui/GuiScreen;)V",
             at = @At("RETURN")
     )
-    private void postLoadWorld(ClientWorld world, CallbackInfo ci) {
+    private void postLoadWorld(WorldClient world, GuiScreen loadingScreen, 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
@@ -136,24 +136,37 @@ public class MixinMinecraft {
             at = @At(
                     value = "FIELD",
                     opcode = Opcodes.GETFIELD,
-                    target = "net/minecraft/client/gui/screen/Screen.passEvents:Z"
+                    target = "net/minecraft/client/gui/GuiScreen.allowUserInput:Z"
             )
     )
-    private boolean passEvents(Screen screen) {
+    private boolean isAllowUserInput(GuiScreen screen) {
         // allow user input is only the primary baritone
-        return (BaritoneAPI.getProvider().getPrimaryBaritone().getPathingBehavior().getCurrent() != null && player != null) || screen.passEvents;
+        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));
     }
 
     @Inject(
             method = "rightClickMouse",
             at = @At(
                     value = "INVOKE",
-                    target = "net/minecraft/client/entity/player/ClientPlayerEntity.swingArm(Lnet/minecraft/util/Hand;)V"
+                    target = "net/minecraft/client/entity/EntityPlayerSP.swingArm(Lnet/minecraft/util/EnumHand;)V"
             ),
             locals = LocalCapture.CAPTURE_FAILHARD
     )
-    private void onBlockUse(CallbackInfo ci, Hand var1[], int var2, int var3, Hand enumhand, ItemStack itemstack, BlockRayTraceResult raytrace, int i, ActionResultType enumactionresult) {
+    private void onBlockUse(CallbackInfo ci, EnumHand var1[], int var2, int var3, EnumHand enumhand, ItemStack itemstack, BlockPos blockpos, int i, EnumActionResult enumactionresult) {
         // rightClickMouse is only for the main player
-        BaritoneAPI.getProvider().getPrimaryBaritone().getGameEventHandler().onBlockInteract(new BlockInteractEvent(raytrace.getPos(), BlockInteractEvent.Type.USE));
+        BaritoneAPI.getProvider().getPrimaryBaritone().getGameEventHandler().onBlockInteract(new BlockInteractEvent(blockpos, BlockInteractEvent.Type.USE));
     }
 }

src/launch/java/baritone/launch/mixins/MixinNetHandlerPlayClient.java

@@ -21,10 +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.play.ClientPlayNetHandler;
-import net.minecraft.network.play.server.SChunkDataPacket;
-import net.minecraft.network.play.server.SCombatPacket;
-import net.minecraft.network.play.server.SUnloadChunkPacket;
+import net.minecraft.client.network.NetHandlerPlayClient;
+import net.minecraft.network.play.server.SPacketChunkData;
+import net.minecraft.network.play.server.SPacketCombatEvent;
+import net.minecraft.network.play.server.SPacketUnloadChunk;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.injection.At;
 import org.spongepowered.asm.mixin.injection.Inject;
@@ -34,11 +34,10 @@ import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
  * @author Brady
  * @since 8/3/2018
  */
-@Mixin(ClientPlayNetHandler.class)
-public class MixinClientPlayNetHandler {
+@Mixin(NetHandlerPlayClient.class)
+public class MixinNetHandlerPlayClient {
 
-    // unused lol
-    /*@Inject(
+    @Inject(
             method = "handleChunkData",
             at = @At(
                     value = "INVOKE",
@@ -58,15 +57,15 @@ public class MixinClientPlayNetHandler {
                 );
             }
         }
-    }*/
+    }
 
     @Inject(
             method = "handleChunkData",
             at = @At("RETURN")
     )
-    private void postHandleChunkData(SChunkDataPacket packetIn, CallbackInfo ci) {
+    private void postHandleChunkData(SPacketChunkData packetIn, CallbackInfo ci) {
         for (IBaritone ibaritone : BaritoneAPI.getProvider().getAllBaritones()) {
-            if (ibaritone.getPlayerContext().player().connection == (ClientPlayNetHandler) (Object) this) {
+            if (ibaritone.getPlayerContext().player().connection == (NetHandlerPlayClient) (Object) this) {
                 ibaritone.getGameEventHandler().onChunkEvent(
                         new ChunkEvent(
                                 EventState.POST,
@@ -83,9 +82,9 @@ public class MixinClientPlayNetHandler {
             method = "processChunkUnload",
             at = @At("HEAD")
     )
-    private void preChunkUnload(SUnloadChunkPacket packet, CallbackInfo ci) {
+    private void preChunkUnload(SPacketUnloadChunk packet, CallbackInfo ci) {
         for (IBaritone ibaritone : BaritoneAPI.getProvider().getAllBaritones()) {
-            if (ibaritone.getPlayerContext().player().connection == (ClientPlayNetHandler) (Object) this) {
+            if (ibaritone.getPlayerContext().player().connection == (NetHandlerPlayClient) (Object) this) {
                 ibaritone.getGameEventHandler().onChunkEvent(
                         new ChunkEvent(EventState.PRE, ChunkEvent.Type.UNLOAD, packet.getX(), packet.getZ())
                 );
@@ -97,9 +96,9 @@ public class MixinClientPlayNetHandler {
             method = "processChunkUnload",
             at = @At("RETURN")
     )
-    private void postChunkUnload(SUnloadChunkPacket packet, CallbackInfo ci) {
+    private void postChunkUnload(SPacketUnloadChunk packet, CallbackInfo ci) {
         for (IBaritone ibaritone : BaritoneAPI.getProvider().getAllBaritones()) {
-            if (ibaritone.getPlayerContext().player().connection == (ClientPlayNetHandler) (Object) this) {
+            if (ibaritone.getPlayerContext().player().connection == (NetHandlerPlayClient) (Object) this) {
                 ibaritone.getGameEventHandler().onChunkEvent(
                         new ChunkEvent(EventState.POST, ChunkEvent.Type.UNLOAD, packet.getX(), packet.getZ())
                 );
@@ -111,12 +110,12 @@ public class MixinClientPlayNetHandler {
             method = "handleCombatEvent",
             at = @At(
                     value = "INVOKE",
-                    target = "net/minecraft/client/Minecraft.displayGuiScreen(Lnet/minecraft/client/gui/screen/Screen;)V"
+                    target = "net/minecraft/client/Minecraft.displayGuiScreen(Lnet/minecraft/client/gui/GuiScreen;)V"
             )
     )
-    private void onPlayerDeath(SCombatPacket packetIn, CallbackInfo ci) {
+    private void onPlayerDeath(SPacketCombatEvent packetIn, CallbackInfo ci) {
         for (IBaritone ibaritone : BaritoneAPI.getProvider().getAllBaritones()) {
-            if (ibaritone.getPlayerContext().player().connection == (ClientPlayNetHandler) (Object) this) {
+            if (ibaritone.getPlayerContext().player().connection == (NetHandlerPlayClient) (Object) this) {
                 ibaritone.getGameEventHandler().onPlayerDeath();
             }
         }

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

src/launch/java/baritone/launch/mixins/MixinPlayerControllerMP.java

@@ -18,14 +18,14 @@
 package baritone.launch.mixins;
 
 import baritone.utils.accessor.IPlayerControllerMP;
-import net.minecraft.client.multiplayer.PlayerController;
+import net.minecraft.client.multiplayer.PlayerControllerMP;
 import net.minecraft.util.math.BlockPos;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.gen.Accessor;
 import org.spongepowered.asm.mixin.gen.Invoker;
 
-@Mixin(PlayerController.class)
-public abstract class MixinPlayerController implements IPlayerControllerMP {
+@Mixin(PlayerControllerMP.class)
+public abstract class MixinPlayerControllerMP implements IPlayerControllerMP {
 
     @Accessor
     @Override

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

@@ -0,0 +1,57 @@
+/*
+ * 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.client.renderer.chunk.RenderChunkCache;
+import net.minecraft.util.math.BlockPos;
+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/client/renderer/chunk/RenderChunkCache.getBlockState(Lnet/minecraft/util/math/BlockPos;)Lnet/minecraft/block/state/IBlockState;"
+            )
+    )
+    private IBlockState getBlockState(RenderChunkCache chunkCache, BlockPos pos) {
+        if (Baritone.settings().renderCachedChunks.value && !Minecraft.getInstance().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/MixinRenderChunkCache.java

@@ -0,0 +1,47 @@
+/*
+ * 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.chunk.RenderChunkCache;
+import net.minecraft.world.chunk.Chunk;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Redirect;
+
+@Mixin(RenderChunkCache.class)
+public class MixinRenderChunkCache {
+
+    @Redirect(
+            method = "generateCache",
+            at = @At(
+                    value = "INVOKE",
+                    target = "net/minecraft/world/chunk/Chunk.isEmptyBetween(II)Z"
+            )
+    )
+    private static boolean isEmpty(Chunk chunk, int yStart, int yEnd) {
+        if (!chunk.isEmptyBetween(yStart, yEnd)) {
+            return false;
+        }
+        if (chunk.isEmpty() && Baritone.settings().renderCachedChunks.value && Minecraft.getInstance().getIntegratedServer() == null) {
+            return false;
+        }
+        return true;
+    }
+}

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

@@ -0,0 +1,47 @@
+/*
+ * 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.getInstance().isSingleplayer()) {
+            // reset the blend func to normal (not dependent on constant alpha)
+            GlStateManager.blendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ZERO);
+        }
+        GlStateManager.popMatrix();
+    }
+}

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

@@ -0,0 +1,47 @@
+/*
+ * 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.getInstance().isSingleplayer()) {
+            // reset the blend func to normal (not dependent on constant alpha)
+            GlStateManager.blendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ZERO);
+        }
+        GlStateManager.popMatrix();
+    }
+}

src/launch/resources/mixins.baritone.json

@@ -8,22 +8,26 @@
     "maxShiftBy": 2
   },
   "client": [
+    "MixinAnvilChunkLoader",
     "MixinBitArray",
     "MixinBlockStateContainer",
-    "MixinChatScreen",
-    "MixinChunkArray",
-    "MixinClientChunkProvider",
-    "MixinClientPlayerEntity",
-    "MixinClientPlayNetHandler",
-    "MixinEntity",
-    "MixinEntityRenderManager",
+    "MixinChunkProviderClient",
+    "MixinChunkProviderServer",
+    "MixinChunkRenderContainer",
+    "MixinChunkRenderWorker",
+    "MixinEntityLivingBase",
+    "MixinEntityPlayerSP",
     "MixinGameRenderer",
+    "MixinGuiChat",
+    "MixinGuiScreen",
     "MixinItemStack",
-    "MixinLivingEntity",
-    "MixinLootContext",
     "MixinMinecraft",
+    "MixinNetHandlerPlayClient",
     "MixinNetworkManager",
-    "MixinPlayerController",
-    "MixinScreen"
+    "MixinPlayerControllerMP",
+    "MixinRenderChunk",
+    "MixinRenderChunkCache",
+    "MixinRenderList",
+    "MixinVboRenderList"
   ]
 }

src/main/java/baritone/Baritone.java

@@ -218,7 +218,7 @@ public class Baritone implements IBaritone {
         new Thread(() -> {
             try {
                 Thread.sleep(100);
-                Helper.mc.execute(() -> Helper.mc.displayGuiScreen(new GuiClick()));
+                Helper.mc.addScheduledTask(() -> Helper.mc.displayGuiScreen(new GuiClick()));
             } catch (Exception ignored) {}
         }).start();
     }

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

@@ -21,16 +21,13 @@ import baritone.Baritone;
 import baritone.api.event.events.TickEvent;
 import baritone.utils.ToolSet;
 import net.minecraft.block.Block;
-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.block.state.IBlockState;
+import net.minecraft.client.entity.EntityPlayerSP;
+import net.minecraft.init.Blocks;
+import net.minecraft.inventory.ClickType;
 import net.minecraft.item.*;
-import net.minecraft.util.Direction;
-import net.minecraft.util.Hand;
+import net.minecraft.util.EnumFacing;
 import net.minecraft.util.NonNullList;
-import net.minecraft.util.math.BlockRayTraceResult;
-import net.minecraft.util.math.Vec3d;
 
 import java.util.ArrayList;
 import java.util.OptionalInt;
@@ -51,14 +48,14 @@ public final class InventoryBehavior extends Behavior {
         if (event.getType() == TickEvent.Type.OUT) {
             return;
         }
-        if (ctx.player().openContainer != ctx.player().container) {
+        if (ctx.player().openContainer != ctx.player().inventoryContainer) {
             // 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, PickaxeItem.class);
+        int pick = bestToolAgainst(Blocks.STONE, ItemPickaxe.class);
         if (pick >= 9) {
             swapWithHotBar(pick, 0);
         }
@@ -93,7 +90,7 @@ public final class InventoryBehavior extends Behavior {
     }
 
     private void swapWithHotBar(int inInventory, int inHotbar) {
-        ctx.playerController().windowClick(ctx.player().container.windowId, inInventory < 9 ? inInventory + 36 : inInventory, inHotbar, ClickType.SWAP, ctx.player());
+        ctx.playerController().windowClick(ctx.player().inventoryContainer.windowId, inInventory < 9 ? inInventory + 36 : inInventory, inHotbar, ClickType.SWAP, ctx.player());
     }
 
     private int firstValidThrowaway() { // TODO offhand idk
@@ -106,7 +103,7 @@ public final class InventoryBehavior extends Behavior {
         return -1;
     }
 
-    private int bestToolAgainst(Block against, Class<? extends ToolItem> cla$$) {
+    private int bestToolAgainst(Block against, Class<? extends ItemTool> cla$$) {
         NonNullList<ItemStack> invy = ctx.player().inventory.mainInventory;
         int bestInd = -1;
         double bestSpeed = -1;
@@ -136,11 +133,11 @@ public final class InventoryBehavior extends Behavior {
     }
 
     public boolean selectThrowawayForLocation(boolean select, int x, int y, int z) {
-        BlockState maybe = baritone.getBuilderProcess().placeAt(x, y, z, baritone.bsi.get0(x, y, z));
-        if (maybe != null && throwaway(select, stack -> stack.getItem() instanceof BlockItem && maybe.equals(((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)) {}))))) {
+        IBlockState maybe = baritone.getBuilderProcess().placeAt(x, y, z, baritone.bsi.get0(x, y, z));
+        if (maybe != null && throwaway(select, stack -> stack.getItem() instanceof ItemBlock && maybe.equals(((ItemBlock) stack.getItem()).getBlock().getStateForPlacement(new BlockItemUseContext(new ItemUseContext(ctx.player(), stack, ctx.playerFeet(), EnumFacing.UP, (float) ctx.player().posX, (float) ctx.player().posY, (float) ctx.player().posZ)))))) {
             return true; // gotem
         }
-        if (maybe != null && throwaway(select, stack -> stack.getItem() instanceof BlockItem && ((BlockItem) stack.getItem()).getBlock().equals(maybe.getBlock()))) {
+        if (maybe != null && throwaway(select, stack -> stack.getItem() instanceof ItemBlock && ((ItemBlock) stack.getItem()).getBlock().equals(maybe.getBlock()))) {
             return true;
         }
         for (Item item : Baritone.settings().acceptableThrowawayItems.value) {
@@ -152,7 +149,7 @@ public final class InventoryBehavior extends Behavior {
     }
 
     public boolean throwaway(boolean select, Predicate<? super ItemStack> desired) {
-        ClientPlayerEntity p = ctx.player();
+        EntityPlayerSP p = ctx.player();
         NonNullList<ItemStack> inv = p.inventory.mainInventory;
         for (int i = 0; i < 9; i++) {
             ItemStack item = inv.get(i);
@@ -176,7 +173,7 @@ public final class InventoryBehavior extends Behavior {
             // so not a shovel, not a hoe, not a block, etc
             for (int i = 0; i < 9; i++) {
                 ItemStack item = inv.get(i);
-                if (item.isEmpty() || item.getItem() instanceof PickaxeItem) {
+                if (item.isEmpty() || item.getItem() instanceof ItemPickaxe) {
                     if (select) {
                         p.inventory.currentItem = i;
                     }

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

@@ -20,20 +20,32 @@ 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.api.utils.BetterBlockPos;
 import baritone.cache.ContainerMemory;
 import baritone.utils.BlockStateInterface;
-import net.minecraft.block.BedBlock;
+import net.minecraft.block.Block;
+import net.minecraft.block.BlockBed;
+import net.minecraft.init.Blocks;
 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;
 import java.nio.file.Path;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.UUID;
-
+import java.util.*;
 
 /**
  * doesn't work for horse inventories :^)
@@ -43,13 +55,111 @@ import java.util.UUID;
  */
 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();
+                    BetterBlockPos position = BetterBlockPos.from(tileEntity.getPos());
+                    BetterBlockPos adj = BetterBlockPos.from(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 BedBlock) {
+        if (event.getType() == BlockInteractEvent.Type.USE && BlockStateInterface.getBlock(ctx, event.getPos()) instanceof BlockBed) {
             baritone.getWorldProvider().getCurrentWorld().getWaypoints().addWaypoint(new Waypoint("bed", Waypoint.Tag.BED, BetterBlockPos.from(event.getPos())));
         }
     }
@@ -59,6 +169,86 @@ 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;
+            // betterblockpos has censoring
+            System.out.println("Future inventory created " + time + " " + slots + " " + type + " " + BetterBlockPos.from(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.BlockState;
-import net.minecraft.block.Blocks;
+import net.minecraft.block.state.IBlockState;
+import net.minecraft.init.Blocks;
 import net.minecraft.util.math.BlockPos;
 
 import java.util.ArrayList;
@@ -143,7 +143,7 @@ public final class CachedChunk {
     /**
      * The block names of each surface level block for generating an overview
      */
-    private final BlockState[] overview;
+    private final IBlockState[] overview;
 
     private final int[] heightMap;
 
@@ -151,7 +151,7 @@ public final class CachedChunk {
 
     public final long cacheTimestamp;
 
-    CachedChunk(int x, int z, BitSet data, BlockState[] overview, Map<String, List<BlockPos>> specialBlockLocations, long cacheTimestamp) {
+    CachedChunk(int x, int z, BitSet data, IBlockState[] overview, Map<String, List<BlockPos>> specialBlockLocations, long cacheTimestamp) {
         validateSize(data);
 
         this.x = x;
@@ -178,7 +178,7 @@ public final class CachedChunk {
         }
     }
 
-    public final BlockState getBlock(int x, int y, int z, int dimension) {
+    public final IBlockState getBlock(int x, int y, int z, int dimension) {
         int index = getPositionIndex(x, y, z);
         PathingBlockType type = getType(index);
         int internalPos = z << 4 | x;
@@ -234,7 +234,7 @@ public final class CachedChunk {
         }
     }
 
-    public final BlockState[] getOverview() {
+    public final IBlockState[] 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.BlockState;
+import net.minecraft.block.state.IBlockState;
 import net.minecraft.util.math.BlockPos;
 
 import java.io.*;
@@ -75,7 +75,7 @@ public final class CachedRegion implements ICachedRegion {
     }
 
     @Override
-    public final BlockState getBlock(int x, int y, int z) {
+    public final IBlockState 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];
-                BlockState[][][] overview = new BlockState[32][32][];
+                IBlockState[][][] overview = new IBlockState[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 BlockState[256];
+                                overview[x][z] = new IBlockState[256];
                                 present[x][z] = true;
                                 break;
                             case CHUNK_NOT_PRESENT:

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

@@ -21,6 +21,8 @@ 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;
@@ -29,8 +31,6 @@ import net.minecraft.world.chunk.ChunkSection;
 
 import java.util.*;
 
-import static baritone.utils.BlockStateInterface.getFromChunk;
-
 /**
  * @author Brady
  * @since 8/3/2018
@@ -59,7 +59,7 @@ public final class ChunkPacker {
                     // since a bitset is initialized to all zero, and air is saved as zeros
                     continue;
                 }
-                BlockStateContainer<BlockState> bsc = extendedblockstorage.getData();
+                BlockStateContainer<IBlockState> 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
@@ -68,7 +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);
-                            BlockState state = bsc.get(x, y1, z);
+                            IBlockState 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]);
@@ -86,7 +86,7 @@ public final class ChunkPacker {
         }
         //long end = System.nanoTime() / 1000000L;
         //System.out.println("Chunk packing took " + (end - start) + "ms for " + chunk.x + "," + chunk.z);
-        BlockState[] blocks = new BlockState[256];
+        IBlockState[] blocks = new IBlockState[256];
 
         // @formatter:off
         for (int z = 0; z < 16; z++) {
@@ -95,7 +95,7 @@ public final class ChunkPacker {
                 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] = getFromChunk(chunk, x, y, z);
+                        blocks[z << 4 | x] = chunk.getBlockState(x, y, z);
                         continue https;
                     }
                 }
@@ -103,10 +103,10 @@ public final class ChunkPacker {
             }
         }
         // @formatter:on
-        return new CachedChunk(chunk.getPos().x, chunk.getPos().z, bitSet, blocks, specialBlocks, System.currentTimeMillis());
+        return new CachedChunk(chunk.x, chunk.z, bitSet, blocks, specialBlocks, System.currentTimeMillis());
     }
 
-    private static PathingBlockType getPathingBlockType(BlockState state, Chunk chunk, int x, int y, int z) {
+    private static PathingBlockType getPathingBlockType(IBlockState state, Chunk chunk, int x, int y, int z) {
         Block block = state.getBlock();
         if (MovementHelper.isWater(state)) {
             // only water source blocks are plausibly usable, flowing water should be avoid
@@ -115,15 +115,15 @@ public final class ChunkPacker {
                 return PathingBlockType.AVOID;
             }
             if (
-                    (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)))
+                    (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)))
             ) {
                 return PathingBlockType.AVOID;
             }
             if (x == 0 || x == 15 || z == 0 || z == 15) {
-                Vec3d flow = state.getFluidState().getFlow(chunk.getWorld(), new BlockPos(x + chunk.getPos().x << 4, y, z + chunk.getPos().z << 4));
+                Vec3d flow = state.getFluidState().getFlow(chunk.getWorld(), new BlockPos(x + chunk.x << 4, y, z + chunk.z << 4));
                 if (flow.x != 0.0 || flow.z != 0.0) {
                     return PathingBlockType.WATER;
                 }
@@ -139,14 +139,14 @@ public final class ChunkPacker {
         // 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 instanceof AirBlock || block instanceof TallGrassBlock || block instanceof DoublePlantBlock || block instanceof FlowerBlock) {
+        if (block instanceof BlockAir || block instanceof BlockTallGrass || block instanceof BlockDoublePlant || block instanceof BlockFlower) {
             return PathingBlockType.AIR;
         }
 
         return PathingBlockType.SOLID;
     }
 
-    public static BlockState pathingTypeToBlock(PathingBlockType type, int dimension) {
+    public static IBlockState pathingTypeToBlock(PathingBlockType type, int dimension) {
         switch (type) {
             case AIR:
                 return Blocks.AIR.getDefaultState();

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

@@ -20,9 +20,11 @@ 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;
@@ -62,8 +64,10 @@ 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()) {
-            ServerWorld localServerWorld = integratedServer.getWorld(dimension);
-            directory = dimension.getDirectory(localServerWorld.getSaveHandler().getWorldDirectory());
+            WorldServer localServerWorld = integratedServer.getWorld(dimension);
+            IChunkProviderServer provider = (IChunkProviderServer) localServerWorld.getChunkProvider();
+            IAnvilChunkLoader loader = (IAnvilChunkLoader) provider.getChunkLoader();
+            directory = loader.getChunkSaveLocation();
 
             // 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) {
@@ -74,7 +78,7 @@ public class WorldProvider implements IWorldProvider, Helper {
             directory = new File(directory, "baritone");
             readme = directory;
         } else { // Otherwise, the server must be remote...
-            String folderName = mc.isConnectedToRealms() ? "realms" : mc.getCurrentServerData().serverIP;
+            String folderName = mc.getCurrentServerData().serverIP;
             if (SystemUtils.IS_OS_WINDOWS) {
                 folderName = folderName.replace(":", "_");
             }

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

@@ -23,12 +23,13 @@ import baritone.api.utils.BetterBlockPos;
 import baritone.api.utils.BlockOptionalMetaLookup;
 import baritone.api.utils.IPlayerContext;
 import baritone.utils.accessor.IBlockStateContainer;
-import net.minecraft.block.BlockState;
-import net.minecraft.client.multiplayer.ClientChunkProvider;
+import net.minecraft.block.state.IBlockState;
+import net.minecraft.client.multiplayer.ChunkProviderClient;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.util.math.ChunkPos;
 import net.minecraft.world.chunk.Chunk;
 import net.minecraft.world.chunk.ChunkSection;
+import net.minecraft.world.chunk.IChunkProvider;
 
 import java.util.*;
 import java.util.stream.IntStream;
@@ -46,7 +47,8 @@ public enum WorldScanner implements IWorldScanner {
         if (filter.blocks().isEmpty()) {
             return res;
         }
-        ClientChunkProvider chunkProvider = (ClientChunkProvider) ctx.world().getChunkProvider();
+
+        ChunkProviderClient chunkProvider = (ChunkProviderClient) ctx.world().getChunkProvider();
 
         int maxSearchRadiusSq = maxSearchRadius * maxSearchRadius;
         int playerChunkX = ctx.playerFeet().getX() >> 4;
@@ -70,7 +72,7 @@ public enum WorldScanner implements IWorldScanner {
                     foundChunks = true;
                     int chunkX = xoff + playerChunkX;
                     int chunkZ = zoff + playerChunkZ;
-                    Chunk chunk = chunkProvider.getChunk(chunkX, chunkZ, null, false);
+                    Chunk chunk = chunkProvider.getChunk(chunkX, chunkZ, false, false);
                     if (chunk == null) {
                         continue;
                     }
@@ -96,8 +98,8 @@ public enum WorldScanner implements IWorldScanner {
             return Collections.emptyList();
         }
 
-        ClientChunkProvider chunkProvider = (ClientChunkProvider) ctx.world().getChunkProvider();
-        Chunk chunk = chunkProvider.getChunk(pos.x, pos.z, null, false);
+        ChunkProviderClient chunkProvider = (ChunkProviderClient) ctx.world().getChunkProvider();
+        Chunk chunk = chunkProvider.getChunk(pos.x, pos.z, false, false);
         int playerY = ctx.playerFeet().getY();
 
         if (chunk == null || chunk.isEmpty()) {
@@ -114,18 +116,18 @@ public enum WorldScanner implements IWorldScanner {
         boolean foundWithinY = false;
         for (int yIndex = 0; yIndex < 16; yIndex++) {
             int y0 = coordinateIterationOrder[yIndex];
-            ChunkSection section = chunkInternalStorageArray[y0];
-            if (section == null || ChunkSection.isEmpty(section)) {
+            ChunkSection extendedblockstorage = chunkInternalStorageArray[y0];
+            if (extendedblockstorage == null) {
                 continue;
             }
             int yReal = y0 << 4;
-            IBlockStateContainer bsc = (IBlockStateContainer) section.getData();
+            IBlockStateContainer bsc = (IBlockStateContainer) extendedblockstorage.getData();
             // storageArray uses an optimized algorithm that's faster than getAt
             // creating this array and then using getAtPalette is faster than even getFast(int index)
             int[] storage = bsc.storageArray();
             final int imax = 1 << 12;
             for (int i = 0; i < imax; i++) {
-                BlockState state = bsc.getAtPalette(storage[i]);
+                IBlockState state = bsc.getAtPalette(storage[i]);
                 if (filter.has(state)) {
                     int y = yReal | ((i >> 8) & 15);
                     if (result.size() >= max) {
@@ -147,7 +149,7 @@ public enum WorldScanner implements IWorldScanner {
     }
 
     public int repack(IPlayerContext ctx) {
-        ClientChunkProvider chunkProvider = (ClientChunkProvider) ctx.world().getChunkProvider();
+        IChunkProvider chunkProvider = ctx.world().getChunkProvider();
         ICachedWorld cachedWorld = ctx.worldData().getCachedWorld();
 
         BetterBlockPos playerPos = ctx.playerFeet();
@@ -156,7 +158,7 @@ public enum WorldScanner implements IWorldScanner {
         int queued = 0;
         for (int x = playerChunkX - 40; x <= playerChunkX + 40; x++) {
             for (int z = playerChunkZ - 40; z <= playerChunkZ + 40; z++) {
-                Chunk chunk = chunkProvider.getChunk(x, z, null, false);
+                Chunk chunk = chunkProvider.getChunk(x, z, false, false);
 
                 if (chunk != null && !chunk.isEmpty()) {
                     queued++;

src/main/java/baritone/command/BaritoneChatControl.java

@@ -36,7 +36,7 @@ import baritone.command.argument.CommandArguments;
 import baritone.command.manager.CommandManager;
 import net.minecraft.util.Tuple;
 import net.minecraft.util.text.ITextComponent;
-import net.minecraft.util.text.StringTextComponent;
+import net.minecraft.util.text.TextComponentString;
 import net.minecraft.util.text.TextFormatting;
 import net.minecraft.util.text.event.ClickEvent;
 import net.minecraft.util.text.event.HoverEvent;
@@ -79,12 +79,12 @@ public class BaritoneChatControl implements Helper, AbstractGameEventListener {
         if (settings.echoCommands.value) {
             String msg = command + rest;
             String toDisplay = settings.censorRanCommands.value ? command + " ..." : msg;
-            ITextComponent component = new StringTextComponent(String.format("> %s", toDisplay));
+            ITextComponent component = new TextComponentString(String.format("> %s", toDisplay));
             component.getStyle()
                     .setColor(TextFormatting.WHITE)
                     .setHoverEvent(new HoverEvent(
                             HoverEvent.Action.SHOW_TEXT,
-                            new StringTextComponent("Click to rerun command")
+                            new TextComponentString("Click to rerun command")
                     ))
                     .setClickEvent(new ClickEvent(
                             ClickEvent.Action.RUN_COMMAND,

src/main/java/baritone/command/defaults/FindCommand.java

@@ -24,7 +24,7 @@ import baritone.api.command.datatypes.BlockById;
 import baritone.api.command.exception.CommandException;
 import baritone.api.command.argument.IArgConsumer;
 import net.minecraft.block.Block;
-import net.minecraft.util.registry.Registry;
+import net.minecraft.util.registry.IRegistry;
 
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -47,7 +47,7 @@ public class FindCommand extends Command {
         toFind.stream()
                 .flatMap(block ->
                         ctx.worldData().getCachedWorld().getLocationsOf(
-                                Registry.BLOCK.getKey(block).getPath(),
+                                IRegistry.BLOCK.getKey(block).getPath(),
                                 Integer.MAX_VALUE,
                                 origin.x,
                                 origin.y,

src/main/java/baritone/command/defaults/FollowCommand.java

@@ -26,11 +26,11 @@ import baritone.api.command.exception.CommandException;
 import baritone.api.command.argument.IArgConsumer;
 import baritone.api.command.helpers.TabCompleteHelper;
 import net.minecraft.entity.Entity;
+import net.minecraft.entity.EntityLiving;
 import net.minecraft.entity.EntityType;
-import net.minecraft.entity.LivingEntity;
-import net.minecraft.entity.player.PlayerEntity;
+import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.util.ResourceLocation;
-import net.minecraft.util.registry.Registry;
+import net.minecraft.util.registry.IRegistry;
 
 import java.util.*;
 import java.util.function.Predicate;
@@ -64,11 +64,10 @@ public class FollowCommand extends Command {
                     entities.add((Entity) gotten);
                 }
             }
-
             baritone.getFollowProcess().follow(
                     classes.isEmpty()
                             ? entities::contains
-                            : e -> classes.stream().anyMatch(c -> e.getType().equals(c))
+                            : e -> classes.stream().anyMatch(c -> c.getEntityClass().isInstance(e))
             );
         }
         if (group != null) {
@@ -81,7 +80,7 @@ public class FollowCommand extends Command {
                         .forEach(this::logDirect);
             } else {
                 classes.stream()
-                        .map(Registry.ENTITY_TYPE::getKey)
+                        .map(IRegistry.ENTITY_TYPE::getKey)
                         .map(Objects::requireNonNull)
                         .map(ResourceLocation::toString)
                         .forEach(this::logDirect);
@@ -133,8 +132,8 @@ public class FollowCommand extends Command {
     }
 
     private enum FollowGroup {
-        ENTITIES(LivingEntity.class::isInstance),
-        PLAYERS(PlayerEntity.class::isInstance); /* ,
+        ENTITIES(EntityLiving.class::isInstance),
+        PLAYERS(EntityPlayer.class::isInstance); /* ,
         FRIENDLY(entity -> entity.getAttackTarget() != HELPER.mc.player),
         HOSTILE(FRIENDLY.filter.negate()); */
         final Predicate<Entity> filter;

src/main/java/baritone/command/defaults/HelpCommand.java

@@ -26,7 +26,7 @@ import baritone.api.command.argument.IArgConsumer;
 import baritone.api.command.helpers.Paginator;
 import baritone.api.command.helpers.TabCompleteHelper;
 import net.minecraft.util.text.ITextComponent;
-import net.minecraft.util.text.StringTextComponent;
+import net.minecraft.util.text.TextComponentString;
 import net.minecraft.util.text.TextFormatting;
 import net.minecraft.util.text.event.ClickEvent;
 import net.minecraft.util.text.event.HoverEvent;
@@ -58,17 +58,17 @@ public class HelpCommand extends Command {
                     command -> {
                         String names = String.join("/", command.getNames());
                         String name = command.getNames().get(0);
-                        ITextComponent shortDescComponent = new StringTextComponent(" - " + command.getShortDesc());
+                        ITextComponent shortDescComponent = new TextComponentString(" - " + command.getShortDesc());
                         shortDescComponent.getStyle().setColor(TextFormatting.DARK_GRAY);
-                        ITextComponent namesComponent = new StringTextComponent(names);
+                        ITextComponent namesComponent = new TextComponentString(names);
                         namesComponent.getStyle().setColor(TextFormatting.WHITE);
-                        ITextComponent hoverComponent = new StringTextComponent("");
+                        ITextComponent hoverComponent = new TextComponentString("");
                         hoverComponent.getStyle().setColor(TextFormatting.GRAY);
                         hoverComponent.appendSibling(namesComponent);
                         hoverComponent.appendText("\n" + command.getShortDesc());
                         hoverComponent.appendText("\n\nClick to view full help");
                         String clickCommand = FORCE_COMMAND_PREFIX + String.format("%s %s", label, command.getNames().get(0));
-                        ITextComponent component = new StringTextComponent(name);
+                        ITextComponent component = new TextComponentString(name);
                         component.getStyle().setColor(TextFormatting.GRAY);
                         component.appendSibling(shortDescComponent);
                         component.getStyle()
@@ -88,7 +88,7 @@ public class HelpCommand extends Command {
             logDirect("");
             command.getLongDesc().forEach(this::logDirect);
             logDirect("");
-            ITextComponent returnComponent = new StringTextComponent("Click to return to the help menu");
+            ITextComponent returnComponent = new TextComponentString("Click to return to the help menu");
             returnComponent.getStyle().setClickEvent(new ClickEvent(
                     ClickEvent.Action.RUN_COMMAND,
                     FORCE_COMMAND_PREFIX + label

src/main/java/baritone/command/defaults/SelCommand.java

@@ -30,7 +30,7 @@ import baritone.api.utils.BlockOptionalMetaLookup;
 import baritone.api.schematic.ISchematic;
 import baritone.api.command.Command;
 import baritone.api.command.datatypes.ForBlockOptionalMeta;
-import baritone.api.command.datatypes.ForDirection;
+import baritone.api.command.datatypes.ForEnumFacing;
 import baritone.api.command.datatypes.RelativeBlockPos;
 import baritone.api.command.exception.CommandException;
 import baritone.api.command.exception.CommandInvalidStateException;
@@ -38,8 +38,8 @@ import baritone.api.command.exception.CommandInvalidTypeException;
 import baritone.api.command.argument.IArgConsumer;
 import baritone.api.command.helpers.TabCompleteHelper;
 import baritone.utils.IRenderer;
-import net.minecraft.block.Blocks;
-import net.minecraft.util.Direction;
+import net.minecraft.init.Blocks;
+import net.minecraft.util.EnumFacing;
 import net.minecraft.util.math.AxisAlignedBB;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.util.math.Vec3i;
@@ -165,7 +165,7 @@ public class SelCommand extends Command {
             if (transformTarget == null) {
                 throw new CommandInvalidStateException("Invalid transform type");
             }
-            Direction direction = args.getDatatypeFor(ForDirection.INSTANCE);
+            EnumFacing direction = args.getDatatypeFor(ForEnumFacing.INSTANCE);
             int blocks = args.getAs(Integer.class);
             ISelection[] selections = manager.getSelections();
             if (selections.length < 1) {
@@ -217,7 +217,7 @@ public class SelCommand extends Command {
                     } else {
                         TransformTarget target = TransformTarget.getByName(args.getString());
                         if (target != null && args.hasExactlyOne()) {
-                            return args.tabCompleteDatatype(ForDirection.INSTANCE);
+                            return args.tabCompleteDatatype(ForEnumFacing.INSTANCE);
                         }
                     }
                 }

src/main/java/baritone/command/defaults/SetCommand.java

@@ -28,7 +28,7 @@ import baritone.api.command.argument.IArgConsumer;
 import baritone.api.command.helpers.Paginator;
 import baritone.api.command.helpers.TabCompleteHelper;
 import net.minecraft.util.text.ITextComponent;
-import net.minecraft.util.text.StringTextComponent;
+import net.minecraft.util.text.TextComponentString;
 import net.minecraft.util.text.TextFormatting;
 import net.minecraft.util.text.event.ClickEvent;
 import net.minecraft.util.text.event.HoverEvent;
@@ -78,18 +78,18 @@ public class SetCommand extends Command {
                                     : String.format("All %ssettings:", viewModified ? "modified " : "")
                     ),
                     setting -> {
-                        ITextComponent typeComponent = new StringTextComponent(String.format(
+                        ITextComponent typeComponent = new TextComponentString(String.format(
                                 " (%s)",
                                 settingTypeToString(setting)
                         ));
                         typeComponent.getStyle().setColor(TextFormatting.DARK_GRAY);
-                        ITextComponent hoverComponent = new StringTextComponent("");
+                        ITextComponent hoverComponent = new TextComponentString("");
                         hoverComponent.getStyle().setColor(TextFormatting.GRAY);
                         hoverComponent.appendText(setting.getName());
                         hoverComponent.appendText(String.format("\nType: %s", settingTypeToString(setting)));
                         hoverComponent.appendText(String.format("\n\nValue:\n%s", settingValueToString(setting)));
                         String commandSuggestion = Baritone.settings().prefix.value + String.format("set %s ", setting.getName());
-                        ITextComponent component = new StringTextComponent(setting.getName());
+                        ITextComponent component = new TextComponentString(setting.getName());
                         component.getStyle().setColor(TextFormatting.GRAY);
                         component.appendSibling(typeComponent);
                         component.getStyle()
@@ -163,12 +163,12 @@ public class SetCommand extends Command {
                         settingValueToString(setting)
                 ));
             }
-            ITextComponent oldValueComponent = new StringTextComponent(String.format("Old value: %s", oldValue));
+            ITextComponent oldValueComponent = new TextComponentString(String.format("Old value: %s", oldValue));
             oldValueComponent.getStyle()
                     .setColor(TextFormatting.GRAY)
                     .setHoverEvent(new HoverEvent(
                             HoverEvent.Action.SHOW_TEXT,
-                            new StringTextComponent("Click to set the setting back to this value")
+                            new TextComponentString("Click to set the setting back to this value")
                     ))
                     .setClickEvent(new ClickEvent(
                             ClickEvent.Action.RUN_COMMAND,

src/main/java/baritone/command/defaults/WaypointsCommand.java

@@ -33,7 +33,7 @@ import baritone.api.command.argument.IArgConsumer;
 import baritone.api.command.helpers.Paginator;
 import baritone.api.command.helpers.TabCompleteHelper;
 import net.minecraft.util.text.ITextComponent;
-import net.minecraft.util.text.StringTextComponent;
+import net.minecraft.util.text.TextComponentString;
 import net.minecraft.util.text.TextFormatting;
 import net.minecraft.util.text.event.ClickEvent;
 import net.minecraft.util.text.event.HoverEvent;
@@ -58,13 +58,13 @@ public class WaypointsCommand extends Command {
             throw new CommandInvalidTypeException(args.consumed(), "an action");
         }
         BiFunction<IWaypoint, Action, ITextComponent> toComponent = (waypoint, _action) -> {
-            ITextComponent component = new StringTextComponent("");
-            ITextComponent tagComponent = new StringTextComponent(waypoint.getTag().name() + " ");
+            ITextComponent component = new TextComponentString("");
+            ITextComponent tagComponent = new TextComponentString(waypoint.getTag().name() + " ");
             tagComponent.getStyle().setColor(TextFormatting.GRAY);
             String name = waypoint.getName();
-            ITextComponent nameComponent = new StringTextComponent(!name.isEmpty() ? name : "<empty>");
+            ITextComponent nameComponent = new TextComponentString(!name.isEmpty() ? name : "<empty>");
             nameComponent.getStyle().setColor(!name.isEmpty() ? TextFormatting.GRAY : TextFormatting.DARK_GRAY);
-            ITextComponent timestamp = new StringTextComponent(" @ " + new Date(waypoint.getCreationTimestamp()));
+            ITextComponent timestamp = new TextComponentString(" @ " + new Date(waypoint.getCreationTimestamp()));
             timestamp.getStyle().setColor(TextFormatting.DARK_GRAY);
             component.appendSibling(tagComponent);
             component.appendSibling(nameComponent);
@@ -72,7 +72,7 @@ public class WaypointsCommand extends Command {
             component.getStyle()
                     .setHoverEvent(new HoverEvent(
                             HoverEvent.Action.SHOW_TEXT,
-                            new StringTextComponent("Click to select")
+                            new TextComponentString("Click to select")
                     ))
                     .setClickEvent(new ClickEvent(
                             ClickEvent.Action.RUN_COMMAND,
@@ -136,7 +136,7 @@ public class WaypointsCommand extends Command {
             args.requireMax(0);
             IWaypoint waypoint = new Waypoint(name, tag, pos);
             ForWaypoints.waypoints(this.baritone).addWaypoint(waypoint);
-            ITextComponent component = new StringTextComponent("Waypoint added: ");
+            ITextComponent component = new TextComponentString("Waypoint added: ");
             component.getStyle().setColor(TextFormatting.GRAY);
             component.appendSibling(toComponent.apply(waypoint, Action.INFO));
             logDirect(component);
@@ -194,7 +194,7 @@ public class WaypointsCommand extends Command {
                 if (action == Action.INFO) {
                     logDirect(transform.apply(waypoint));
                     logDirect(String.format("Position: %s", waypoint.getLocation()));
-                    ITextComponent deleteComponent = new StringTextComponent("Click to delete this waypoint");
+                    ITextComponent deleteComponent = new TextComponentString("Click to delete this waypoint");
                     deleteComponent.getStyle().setClickEvent(new ClickEvent(
                             ClickEvent.Action.RUN_COMMAND,
                             String.format(
@@ -205,7 +205,7 @@ public class WaypointsCommand extends Command {
                                     waypoint.getCreationTimestamp()
                             )
                     ));
-                    ITextComponent goalComponent = new StringTextComponent("Click to set goal to this waypoint");
+                    ITextComponent goalComponent = new TextComponentString("Click to set goal to this waypoint");
                     goalComponent.getStyle().setClickEvent(new ClickEvent(
                             ClickEvent.Action.RUN_COMMAND,
                             String.format(
@@ -216,7 +216,7 @@ public class WaypointsCommand extends Command {
                                     waypoint.getCreationTimestamp()
                             )
                     ));
-                    ITextComponent backComponent = new StringTextComponent("Click to return to the waypoints list");
+                    ITextComponent backComponent = new TextComponentString("Click to return to the waypoints list");
                     backComponent.getStyle().setClickEvent(new ClickEvent(
                             ClickEvent.Action.RUN_COMMAND,
                             String.format(

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

@@ -51,7 +51,6 @@ public final class GameEventHandler implements IEventBus, Helper {
             try {
                 baritone.bsi = new BlockStateInterface(baritone.getPlayerContext(), true);
             } catch (Exception ex) {
-                ex.printStackTrace();
                 baritone.bsi = null;
             }
         } else {
@@ -90,7 +89,7 @@ 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().getChunk(event.getX(), event.getZ(), null, false) != null;
+                && world.getChunkProvider().getChunk(event.getX(), event.getZ(), false, false) != null;
 
         if (isPostPopulate || isPreUnload) {
             baritone.getWorldProvider().ifWorldLoaded(worldData -> {

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.BlockState;
-import net.minecraft.client.entity.player.ClientPlayerEntity;
+import net.minecraft.block.state.IBlockState;
+import net.minecraft.client.entity.EntityPlayerSP;
 import net.minecraft.enchantment.EnchantmentHelper;
-import net.minecraft.entity.player.PlayerInventory;
+import net.minecraft.entity.player.InventoryPlayer;
+import net.minecraft.init.Items;
 import net.minecraft.item.ItemStack;
-import net.minecraft.item.Items;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.world.World;
 
@@ -79,13 +79,13 @@ public class CalculationContext {
     public CalculationContext(IBaritone baritone, boolean forUseOnAnotherThread) {
         this.safeForThreadedUse = forUseOnAnotherThread;
         this.baritone = baritone;
-        ClientPlayerEntity player = baritone.getPlayerContext().player();
+        EntityPlayerSP 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 && PlayerInventory.isHotbar(player.inventory.getSlotFor(STACK_BUCKET_WATER)) && !world.getDimension().isNether();
+        this.hasWaterBucket = Baritone.settings().allowWaterBucketFall.value && InventoryPlayer.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;
@@ -119,7 +119,7 @@ public class CalculationContext {
         return baritone;
     }
 
-    public BlockState get(int x, int y, int z) {
+    public IBlockState get(int x, int y, int z) {
         return bsi.get0(x, y, z); // laughs maniacally
     }
 
@@ -127,7 +127,7 @@ public class CalculationContext {
         return bsi.isLoaded(x, z);
     }
 
-    public BlockState get(BlockPos pos) {
+    public IBlockState get(BlockPos pos) {
         return get(pos.getX(), pos.getY(), pos.getZ());
     }
 
@@ -135,7 +135,7 @@ public class CalculationContext {
         return get(x, y, z).getBlock();
     }
 
-    public double costOfPlacingAt(int x, int y, int z, BlockState current) {
+    public double costOfPlacingAt(int x, int y, int z, IBlockState current) {
         if (!hasThrowaway) { // only true if allowPlace is true, see constructor
             return COST_INF;
         }
@@ -149,7 +149,7 @@ public class CalculationContext {
         return placeBlockCost;
     }
 
-    public double breakCostMultiplierAt(int x, int y, int z, BlockState current) {
+    public double breakCostMultiplierAt(int x, int y, int z, IBlockState current) {
         if (!allowBreak) {
             return COST_INF;
         }

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

@@ -25,8 +25,8 @@ import baritone.api.utils.*;
 import baritone.api.utils.input.Input;
 import baritone.behavior.PathingBehavior;
 import baritone.utils.BlockStateInterface;
-import net.minecraft.entity.item.FallingBlockEntity;
-import net.minecraft.util.Direction;
+import net.minecraft.entity.item.EntityFallingBlock;
+import net.minecraft.util.EnumFacing;
 import net.minecraft.util.math.AxisAlignedBB;
 import net.minecraft.util.math.BlockPos;
 
@@ -34,7 +34,7 @@ import java.util.*;
 
 public abstract class Movement implements IMovement, MovementHelper {
 
-    public static final Direction[] HORIZONTALS_BUT_ALSO_DOWN_____SO_EVERY_DIRECTION_EXCEPT_UP = {Direction.NORTH, Direction.SOUTH, Direction.EAST, Direction.WEST, Direction.DOWN};
+    public static final EnumFacing[] HORIZONTALS_BUT_ALSO_DOWN_____SO_EVERY_DIRECTION_EXCEPT_UP = {EnumFacing.NORTH, EnumFacing.SOUTH, EnumFacing.EAST, EnumFacing.WEST, EnumFacing.DOWN};
 
     protected final IBaritone baritone;
     protected final IPlayerContext ctx;
@@ -157,7 +157,7 @@ public abstract class Movement implements IMovement, MovementHelper {
         }
         boolean somethingInTheWay = false;
         for (BetterBlockPos blockPos : positionsToBreak) {
-            if (!ctx.world().getEntitiesWithinAABB(FallingBlockEntity.class, new AxisAlignedBB(0, 0, 0, 1, 1.1, 1).offset(blockPos)).isEmpty() && Baritone.settings().pauseMiningForFallingBlocks.value) {
+            if (!ctx.world().getEntitiesWithinAABB(EntityFallingBlock.class, new AxisAlignedBB(0, 0, 0, 1, 1.1, 1).offset(blockPos)).isEmpty() && Baritone.settings().pauseMiningForFallingBlocks.value) {
                 return false;
             }
             if (!MovementHelper.canWalkThrough(ctx, blockPos)) { // can't break air, so don't try

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

@@ -28,13 +28,18 @@ import baritone.pathing.movement.MovementState.MovementTarget;
 import baritone.utils.BlockStateInterface;
 import baritone.utils.ToolSet;
 import net.minecraft.block.*;
-import net.minecraft.fluid.*;
+import net.minecraft.block.state.IBlockState;
+import net.minecraft.fluid.FlowingFluid;
+import net.minecraft.fluid.Fluid;
+import net.minecraft.fluid.IFluidState;
+import net.minecraft.fluid.WaterFluid;
+import net.minecraft.init.Blocks;
+import net.minecraft.init.Fluids;
 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.EnumFacing;
 import net.minecraft.util.math.BlockPos;
-import net.minecraft.util.math.BlockRayTraceResult;
 import net.minecraft.util.math.RayTraceResult;
 import net.minecraft.util.math.Vec3d;
 
@@ -49,10 +54,10 @@ 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, BlockState state) {
+    static boolean avoidBreaking(BlockStateInterface bsi, int x, int y, int z, IBlockState state) {
         Block b = state.getBlock();
         return b == Blocks.ICE // ice becomes water, and water can mess up the path
-                || b instanceof SilverfishBlock // obvious reasons
+                || b instanceof BlockSilverfish // 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)
@@ -65,13 +70,13 @@ 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
-        BlockState state = bsi.get0(x, y, z);
+        IBlockState 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 FallingBlock // obviously, this check is only valid for falling blocks
+                && block instanceof BlockFalling // obviously, this check is only valid for falling blocks
                 && Baritone.settings().avoidUpdatingFallingBlocks.value // and if the setting is enabled
-                && FallingBlock.canFallThrough(bsi.get0(x, y - 1, z))) { // and if it would fall (i.e. it's unsupported)
+                && BlockFalling.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 !state.getFluidState().isEmpty();
@@ -85,27 +90,27 @@ 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, BlockState state) {
+    static boolean canWalkThrough(BlockStateInterface bsi, int x, int y, int z, IBlockState state) {
         Block block = state.getBlock();
-        if (block instanceof AirBlock) { // early return for most common case
+        if (block instanceof BlockAir) { // early return for most common case
             return true;
         }
-        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) {
+        if (block == Blocks.FIRE || block == Blocks.TRIPWIRE || block == Blocks.COBWEB || block == Blocks.END_PORTAL || block == Blocks.COCOA || block instanceof BlockAbstractSkull || block == Blocks.BUBBLE_COLUMN || block instanceof BlockShulkerBox || block instanceof BlockSlab || block instanceof BlockTrapDoor) {
             return false;
         }
         if (Baritone.settings().blocksToAvoid.value.contains(block)) {
             return false;
         }
-        if (block instanceof DoorBlock || block instanceof FenceGateBlock) {
+        if (block instanceof BlockDoor || block instanceof BlockFenceGate) {
             // 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 instanceof CarpetBlock) {
+        if (block instanceof BlockCarpet) {
             return canWalkOn(bsi, x, y - 1, z);
         }
-        if (block instanceof SnowBlock) {
+        if (block instanceof BlockSnowLayer) {
             // 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
@@ -115,7 +120,7 @@ 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.get(SnowBlock.LAYERS) >= 3) {
+            if (state.get(BlockSnowLayer.LAYERS) >= 3) {
                 return false;
             }
             // ok, it's low enough we could walk through it, but is it supported?
@@ -129,8 +134,8 @@ public interface MovementHelper extends ActionCosts, Helper {
             if (Baritone.settings().assumeWalkOnWater.value) {
                 return false;
             }
-            BlockState up = bsi.get0(x, y + 1, z);
-            if (!up.getFluidState().isEmpty() || up.getBlock() instanceof LilyPadBlock) {
+            IBlockState up = bsi.get0(x, y + 1, z);
+            if (!up.getFluidState().isEmpty() || up.getBlock() instanceof BlockLilyPad) {
                 return false;
             }
             return true;
@@ -138,7 +143,7 @@ public interface MovementHelper extends ActionCosts, Helper {
         // 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 state.allowsMovement(null, BlockPos.ZERO, PathType.LAND); // workaround for future compatibility =P
+        return state.allowsMovement(null, BlockPos.ORIGIN, PathType.LAND); // workaround for future compatibility =P
     }
 
     /**
@@ -155,9 +160,9 @@ public interface MovementHelper extends ActionCosts, Helper {
         return fullyPassable(context.get(x, y, z));
     }
 
-    static boolean fullyPassable(BlockState state) {
+    static boolean fullyPassable(IBlockState state) {
         Block block = state.getBlock();
-        if (block instanceof AirBlock) { // early return for most common case
+        if (block instanceof BlockAir) { // early return for most common case
             return true;
         }
         // exceptions - blocks that are isPassable true, but we can't actually jump through
@@ -167,21 +172,21 @@ public interface MovementHelper extends ActionCosts, Helper {
                 || block == Blocks.VINE
                 || block == Blocks.LADDER
                 || block == Blocks.COCOA
-                || block instanceof DoorBlock
-                || block instanceof FenceGateBlock
-                || block instanceof SnowBlock
+                || block instanceof BlockDoor
+                || block instanceof BlockFenceGate
+                || block instanceof BlockSnow
                 || !state.getFluidState().isEmpty()
-                || block instanceof TrapDoorBlock
-                || block instanceof EndPortalBlock
-                || block instanceof SkullBlock
-                || block instanceof ShulkerBoxBlock) {
+                || block instanceof BlockTrapDoor
+                || block instanceof BlockEndPortal
+                || block instanceof BlockSkull
+                || block instanceof BlockShulkerBox) {
             return false;
         }
         // door, fence gate, liquid, trapdoor have been accounted for, nothing else uses the world or pos parameters
         return state.allowsMovement(null, null, PathType.LAND);
     }
 
-    static boolean isReplaceable(int x, int y, int z, BlockState state, BlockStateInterface bsi) {
+    static boolean isReplaceable(int x, int y, int z, IBlockState 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
@@ -193,16 +198,16 @@ public interface MovementHelper extends ActionCosts, Helper {
          *     }
          */
         Block block = state.getBlock();
-        if (block instanceof AirBlock) {
+        if (block instanceof BlockAir) {
             // early return for common cases hehe
             return true;
         }
-        if (block instanceof SnowBlock) {
+        if (block instanceof BlockSnowLayer) {
             // 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.get(SnowBlock.LAYERS) == 1;
+            return state.get(BlockSnowLayer.LAYERS) == 1;
         }
         if (block == Blocks.LARGE_FERN || block == Blocks.TALL_GRASS) {
             return true;
@@ -211,7 +216,7 @@ public interface MovementHelper extends ActionCosts, Helper {
     }
 
     @Deprecated
-    static boolean isReplacable(int x, int y, int z, BlockState state, BlockStateInterface bsi) {
+    static boolean isReplacable(int x, int y, int z, IBlockState state, BlockStateInterface bsi) {
         return isReplaceable(x, y, z, state, bsi);
     }
 
@@ -220,12 +225,12 @@ public interface MovementHelper extends ActionCosts, Helper {
             return false;
         }
 
-        BlockState state = BlockStateInterface.get(ctx, doorPos);
-        if (!(state.getBlock() instanceof DoorBlock)) {
+        IBlockState state = BlockStateInterface.get(ctx, doorPos);
+        if (!(state.getBlock() instanceof BlockDoor)) {
             return true;
         }
 
-        return isHorizontalBlockPassable(doorPos, state, playerPos, DoorBlock.OPEN);
+        return isHorizontalBlockPassable(doorPos, state, playerPos, BlockDoor.OPEN);
     }
 
     static boolean isGatePassable(IPlayerContext ctx, BlockPos gatePos, BlockPos playerPos) {
@@ -233,27 +238,27 @@ public interface MovementHelper extends ActionCosts, Helper {
             return false;
         }
 
-        BlockState state = BlockStateInterface.get(ctx, gatePos);
-        if (!(state.getBlock() instanceof FenceGateBlock)) {
+        IBlockState state = BlockStateInterface.get(ctx, gatePos);
+        if (!(state.getBlock() instanceof BlockFenceGate)) {
             return true;
         }
 
-        return state.get(FenceGateBlock.OPEN);
+        return state.get(BlockFenceGate.OPEN);
     }
 
-    static boolean isHorizontalBlockPassable(BlockPos blockPos, BlockState blockState, BlockPos playerPos, BooleanProperty propertyOpen) {
+    static boolean isHorizontalBlockPassable(BlockPos blockPos, IBlockState blockState, BlockPos playerPos, BooleanProperty propertyOpen) {
         if (playerPos.equals(blockPos)) {
             return false;
         }
 
-        Direction.Axis facing = blockState.get(HorizontalBlock.HORIZONTAL_FACING).getAxis();
+        EnumFacing.Axis facing = blockState.get(BlockHorizontal.HORIZONTAL_FACING).getAxis();
         boolean open = blockState.get(propertyOpen);
 
-        Direction.Axis playerFacing;
+        EnumFacing.Axis playerFacing;
         if (playerPos.north().equals(blockPos) || playerPos.south().equals(blockPos)) {
-            playerFacing = Direction.Axis.Z;
+            playerFacing = EnumFacing.Axis.Z;
         } else if (playerPos.east().equals(blockPos) || playerPos.west().equals(blockPos)) {
-            playerFacing = Direction.Axis.X;
+            playerFacing = EnumFacing.Axis.X;
         } else {
             return true;
         }
@@ -261,7 +266,7 @@ public interface MovementHelper extends ActionCosts, Helper {
         return (facing == playerFacing) == open;
     }
 
-    static boolean avoidWalkingInto(BlockState state) {
+    static boolean avoidWalkingInto(IBlockState state) {
         Block block = state.getBlock();
         return !state.getFluidState().isEmpty()
                 || block == Blocks.MAGMA_BLOCK
@@ -284,14 +289,14 @@ 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, BlockState state) {
+    static boolean canWalkOn(BlockStateInterface bsi, int x, int y, int z, IBlockState state) {
         Block block = state.getBlock();
-        if (block instanceof AirBlock || block == Blocks.MAGMA_BLOCK || block == Blocks.BUBBLE_COLUMN) {
+        if (block instanceof BlockAir || 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 (isBlockNormalCube(state)) {
+        if (state.isBlockNormalCube()) {
             return true;
         }
         if (block == Blocks.LADDER || (block == Blocks.VINE && Baritone.settings().allowVines.value)) { // TODO reconsider this
@@ -306,9 +311,9 @@ public interface MovementHelper extends ActionCosts, Helper {
         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
-            BlockState upState = bsi.get0(x, y + 1, z);
+            IBlockState upState = bsi.get0(x, y + 1, z);
             Block up = upState.getBlock();
-            if (up == Blocks.LILY_PAD || up instanceof CarpetBlock) {
+            if (up == Blocks.LILY_PAD || up instanceof BlockCarpet) {
                 return true;
             }
             if (isFlowing(x, y, z, state, bsi) || upState.getFluidState().getFluid() == Fluids.FLOWING_WATER) {
@@ -322,19 +327,19 @@ public interface MovementHelper extends ActionCosts, Helper {
         if (Baritone.settings().assumeWalkOnLava.value && isLava(state) && !isFlowing(x, y, z, state, bsi)) {
             return true;
         }
-        if (block == Blocks.GLASS || block instanceof StainedGlassBlock) {
+        if (block == Blocks.GLASS || block instanceof BlockStainedGlass) {
             return true;
         }
-        if (block instanceof SlabBlock) {
+        if (block instanceof BlockSlab) {
             if (!Baritone.settings().allowWalkOnBottomSlab.value) {
-                return state.get(SlabBlock.TYPE) != SlabType.BOTTOM;
+                return state.isTopSolid();
             }
             return true;
         }
-        return block instanceof StairsBlock;
+        return block instanceof BlockStairs;
     }
 
-    static boolean canWalkOn(IPlayerContext ctx, BetterBlockPos pos, BlockState state) {
+    static boolean canWalkOn(IPlayerContext ctx, BetterBlockPos pos, IBlockState state) {
         return canWalkOn(new BlockStateInterface(ctx), pos.x, pos.y, pos.z, state);
     }
 
@@ -362,18 +367,18 @@ public interface MovementHelper extends ActionCosts, Helper {
         return canPlaceAgainst(new BlockStateInterface(ctx), pos);
     }
 
-    static boolean canPlaceAgainst(BlockStateInterface bsi, int x, int y, int z, BlockState state) {
+    static boolean canPlaceAgainst(BlockStateInterface bsi, int x, int y, int z, IBlockState 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 isBlockNormalCube(state) || state.getBlock() == Blocks.GLASS || state.getBlock() instanceof StainedGlassBlock;
+        return state.isBlockNormalCube() || state.isFullCube() || state.getBlock() == Blocks.GLASS || state.getBlock() instanceof BlockStainedGlass;
     }
 
     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, BlockState state, boolean includeFalling) {
+    static double getMiningDurationTicks(CalculationContext context, int x, int y, int z, IBlockState state, boolean includeFalling) {
         Block block = state.getBlock();
         if (!canWalkThrough(context.bsi, x, y, z, state)) {
             if (!state.getFluidState().isEmpty()) {
@@ -394,8 +399,8 @@ public interface MovementHelper extends ActionCosts, Helper {
             result += context.breakBlockAdditionalCost;
             result *= mult;
             if (includeFalling) {
-                BlockState above = context.get(x, y + 1, z);
-                if (above.getBlock() instanceof FallingBlock) {
+                IBlockState above = context.get(x, y + 1, z);
+                if (above.getBlock() instanceof BlockFalling) {
                     result += getMiningDurationTicks(context, x, y + 1, z, above, true);
                 }
             }
@@ -404,9 +409,9 @@ public interface MovementHelper extends ActionCosts, Helper {
         return 0; // we won't actually mine it, so don't check fallings above
     }
 
-    static boolean isBottomSlab(BlockState state) {
-        return state.getBlock() instanceof SlabBlock
-                && state.get(SlabBlock.TYPE) == SlabType.BOTTOM;
+    static boolean isBottomSlab(IBlockState state) {
+        return state.getBlock() instanceof BlockSlab
+                && state.get(BlockSlab.TYPE) == SlabType.BOTTOM;
     }
 
     /**
@@ -415,7 +420,7 @@ public interface MovementHelper extends ActionCosts, Helper {
      * @param ctx The player context
      * @param b   the blockstate to mine
      */
-    static void switchToBestToolFor(IPlayerContext ctx, BlockState b) {
+    static void switchToBestToolFor(IPlayerContext ctx, IBlockState b) {
         switchToBestToolFor(ctx, b, new ToolSet(ctx.player()), BaritoneAPI.getSettings().preferSilkTouch.value);
     }
 
@@ -426,7 +431,7 @@ public interface MovementHelper extends ActionCosts, Helper {
      * @param b   the blockstate to mine
      * @param ts  previously calculated ToolSet
      */
-    static void switchToBestToolFor(IPlayerContext ctx, BlockState b, ToolSet ts, boolean preferSilkTouch) {
+    static void switchToBestToolFor(IPlayerContext ctx, IBlockState b, ToolSet ts, boolean preferSilkTouch) {
         ctx.player().inventory.currentItem = ts.getBestSlot(b.getBlock(), preferSilkTouch);
     }
 
@@ -446,7 +451,7 @@ public interface MovementHelper extends ActionCosts, Helper {
      * @param state The block state
      * @return Whether or not the block is water
      */
-    static boolean isWater(BlockState state) {
+    static boolean isWater(IBlockState state) {
         Fluid f = state.getFluidState().getFluid();
         return f == Fluids.WATER || f == Fluids.FLOWING_WATER;
     }
@@ -463,7 +468,7 @@ public interface MovementHelper extends ActionCosts, Helper {
         return isWater(BlockStateInterface.get(ctx, bp));
     }
 
-    static boolean isLava(BlockState state) {
+    static boolean isLava(IBlockState state) {
         Fluid f = state.getFluidState().getFluid();
         return f == Fluids.LAVA || f == Fluids.FLOWING_LAVA;
     }
@@ -479,17 +484,17 @@ public interface MovementHelper extends ActionCosts, Helper {
         return isLiquid(BlockStateInterface.get(ctx, p));
     }
 
-    static boolean isLiquid(BlockState blockState) {
+    static boolean isLiquid(IBlockState blockState) {
         return !blockState.getFluidState().isEmpty();
     }
 
-    static boolean possiblyFlowing(BlockState state) {
+    static boolean possiblyFlowing(IBlockState 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) {
+    static boolean isFlowing(int x, int y, int z, IBlockState state, BlockStateInterface bsi) {
         IFluidState fluidState = state.getFluidState();
         if (!(fluidState.getFluid() instanceof FlowingFluid)) {
             return false;
@@ -503,16 +508,6 @@ 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();
@@ -535,7 +530,7 @@ 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.getType() == RayTraceResult.Type.BLOCK && ((BlockRayTraceResult) res).getPos().equals(against1) && ((BlockRayTraceResult) res).getPos().offset(((BlockRayTraceResult) res).getFace()).equals(placeAt)) {
+                if (res != null && res.type == RayTraceResult.Type.BLOCK && res.getBlockPos().equals(against1) && res.getBlockPos().offset(res.sideHit).equals(placeAt)) {
                     state.setTarget(new MovementState.MovementTarget(place, true));
                     found = true;
 
@@ -549,7 +544,7 @@ public interface MovementHelper extends ActionCosts, Helper {
         }
         if (ctx.getSelectedBlock().isPresent()) {
             BlockPos selectedBlock = ctx.getSelectedBlock().get();
-            Direction side = ((BlockRayTraceResult) ctx.objectMouseOver()).getFace();
+            EnumFacing side = ctx.objectMouseOver().sideHit;
             // 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

@@ -20,8 +20,6 @@ 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.Direction;
+import net.minecraft.util.EnumFacing;
 
 /**
  * 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, Direction.NORTH, Direction.EAST, res.y - src.y);
+            return new MovementDiagonal(context.getBaritone(), src, EnumFacing.NORTH, EnumFacing.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, Direction.NORTH, Direction.WEST, res.y - src.y);
+            return new MovementDiagonal(context.getBaritone(), src, EnumFacing.NORTH, EnumFacing.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, Direction.SOUTH, Direction.EAST, res.y - src.y);
+            return new MovementDiagonal(context.getBaritone(), src, EnumFacing.SOUTH, EnumFacing.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, Direction.SOUTH, Direction.WEST, res.y - src.y);
+            return new MovementDiagonal(context.getBaritone(), src, EnumFacing.SOUTH, EnumFacing.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, Direction.NORTH);
+            return MovementParkour.cost(context, src, EnumFacing.NORTH);
         }
 
         @Override
         public void apply(CalculationContext context, int x, int y, int z, MutableMoveResult result) {
-            MovementParkour.cost(context, x, y, z, Direction.NORTH, result);
+            MovementParkour.cost(context, x, y, z, EnumFacing.NORTH, result);
         }
     },
 
     PARKOUR_SOUTH(0, 0, +4, true, true) {
         @Override
         public Movement apply0(CalculationContext context, BetterBlockPos src) {
-            return MovementParkour.cost(context, src, Direction.SOUTH);
+            return MovementParkour.cost(context, src, EnumFacing.SOUTH);
         }
 
         @Override
         public void apply(CalculationContext context, int x, int y, int z, MutableMoveResult result) {
-            MovementParkour.cost(context, x, y, z, Direction.SOUTH, result);
+            MovementParkour.cost(context, x, y, z, EnumFacing.SOUTH, result);
         }
     },
 
     PARKOUR_EAST(+4, 0, 0, true, true) {
         @Override
         public Movement apply0(CalculationContext context, BetterBlockPos src) {
-            return MovementParkour.cost(context, src, Direction.EAST);
+            return MovementParkour.cost(context, src, EnumFacing.EAST);
         }
 
         @Override
         public void apply(CalculationContext context, int x, int y, int z, MutableMoveResult result) {
-            MovementParkour.cost(context, x, y, z, Direction.EAST, result);
+            MovementParkour.cost(context, x, y, z, EnumFacing.EAST, result);
         }
     },
 
     PARKOUR_WEST(-4, 0, 0, true, true) {
         @Override
         public Movement apply0(CalculationContext context, BetterBlockPos src) {
-            return MovementParkour.cost(context, src, Direction.WEST);
+            return MovementParkour.cost(context, src, EnumFacing.WEST);
         }
 
         @Override
         public void apply(CalculationContext context, int x, int y, int z, MutableMoveResult result) {
-            MovementParkour.cost(context, x, y, z, Direction.WEST, result);
+            MovementParkour.cost(context, x, y, z, EnumFacing.WEST, result);
         }
     };
 

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

@@ -27,11 +27,12 @@ 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 {
@@ -65,7 +66,7 @@ public class MovementAscend extends Movement {
     }
 
     public static double cost(CalculationContext context, int x, int y, int z, int destX, int destZ) {
-        BlockState toPlace = context.get(destX, y, destZ);
+        IBlockState toPlace = context.get(destX, y, destZ);
         double additionalPlacementCost = 0;
         if (!MovementHelper.canWalkOn(context.bsi, destX, y, destZ, toPlace)) {
             additionalPlacementCost = context.costOfPlacingAt(destX, y, destZ, toPlace);
@@ -92,26 +93,26 @@ public class MovementAscend extends Movement {
                 return COST_INF;
             }
         }
-        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
+        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
             // 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 FallingBlock stack
+            // we have necessarily already cleared the entire BlockFalling stack
             // on top of our head
 
-            // as in, if we have a block, then two FallingBlocks on top of it
+            // as in, if we have a block, then two BlockFallings 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 FallingBlocks because we've already cleared them
+            // we don't need to worry about those BlockFallings 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
         }
-        BlockState srcDown = context.get(x, y - 1, z);
+        IBlockState srcDown = context.get(x, y - 1, z);
         if (srcDown.getBlock() == Blocks.LADDER || srcDown.getBlock() == Blocks.VINE) {
             return COST_INF;
         }
@@ -171,7 +172,7 @@ public class MovementAscend extends Movement {
             return state.setStatus(MovementStatus.SUCCESS);
         }
 
-        BlockState jumpingOnto = BlockStateInterface.get(ctx, positionToPlace);
+        IBlockState jumpingOnto = BlockStateInterface.get(ctx, positionToPlace);
         if (!MovementHelper.canWalkOn(ctx, positionToPlace, jumpingOnto)) {
             ticksWithoutPlacement++;
             if (MovementHelper.attemptToPlaceABlock(state, baritone, dest.down(), false) == PlaceResult.READY_TO_PLACE) {
@@ -202,7 +203,7 @@ 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().getMotion().z + zAxis * ctx.player().getMotion().x;
+        double lateralMotion = xAxis * ctx.player().motionZ + zAxis * ctx.player().motionX;
         if (Math.abs(lateralMotion) > 0.1) {
             return state;
         }
@@ -224,7 +225,7 @@ public class MovementAscend extends Movement {
     public boolean headBonkClear() {
         BetterBlockPos startUp = src.up(2);
         for (int i = 0; i < 4; i++) {
-            BetterBlockPos check = startUp.offset(Direction.byHorizontalIndex(i));
+            BetterBlockPos check = startUp.offset(EnumFacing.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.BlockState;
-import net.minecraft.block.Blocks;
-import net.minecraft.block.FallingBlock;
-import net.minecraft.client.entity.player.ClientPlayerEntity;
+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.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;
-        BlockState destDown = context.get(destX, y - 1, destZ);
+        IBlockState 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
 
-        BlockState below = context.get(destX, y - 2, destZ);
+        IBlockState 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, BlockState below, MutableMoveResult res) {
-        if (frontBreak != 0 && context.get(destX, y + 2, destZ).getBlock() instanceof FallingBlock) {
+    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) {
             // 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
@@ -142,7 +142,7 @@ public class MovementDescend extends Movement {
                 // this check prevents it from getting the block at y=-1 and crashing
                 return false;
             }
-            BlockState ontoBlock = context.get(destX, newY, destZ);
+            IBlockState 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)) {
@@ -222,7 +222,7 @@ 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;
-            ClientPlayerEntity player = ctx.player();
+            EntityPlayerSP player = ctx.player();
             state.setTarget(new MovementState.MovementTarget(
                     new Rotation(RotationUtils.calcRotationFromVec3d(player.getEyePosition(1.0F),
                             new Vec3d(destX, dest.getY(), destZ),

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.BlockState;
-import net.minecraft.block.Blocks;
-import net.minecraft.util.Direction;
+import net.minecraft.block.state.IBlockState;
+import net.minecraft.init.Blocks;
+import net.minecraft.util.EnumFacing;
 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, Direction dir1, Direction dir2, int dy) {
+    public MovementDiagonal(IBaritone baritone, BetterBlockPos start, EnumFacing dir1, EnumFacing 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, Direction drr2, int dy) {
+    private MovementDiagonal(IBaritone baritone, BetterBlockPos start, BetterBlockPos dir1, BetterBlockPos dir2, EnumFacing drr2, int dy) {
         this(baritone, start, dir1.offset(drr2).up(dy), dir1, dir2);
     }
 
@@ -83,9 +83,9 @@ public class MovementDiagonal extends Movement {
         if (!MovementHelper.canWalkThrough(context.bsi, destX, y + 1, destZ)) {
             return;
         }
-        BlockState destInto = context.get(destX, y, destZ);
+        IBlockState destInto = context.get(destX, y, destZ);
         boolean ascend = false;
-        BlockState destWalkOn;
+        IBlockState destWalkOn;
         boolean descend = false;
         if (!MovementHelper.canWalkThrough(context.bsi, destX, y, destZ, destInto)) {
             ascend = true;
@@ -116,16 +116,16 @@ public class MovementDiagonal extends Movement {
         if (fromDown == Blocks.SOUL_SAND) {
             multiplier += (WALK_ONE_OVER_SOUL_SAND_COST - WALK_ONE_BLOCK_COST) / 2;
         }
-        BlockState cuttingOver1 = context.get(x, y - 1, destZ);
+        IBlockState cuttingOver1 = context.get(x, y - 1, destZ);
         if (cuttingOver1.getBlock() == Blocks.MAGMA_BLOCK || MovementHelper.isLava(cuttingOver1)) {
             return;
         }
-        BlockState cuttingOver2 = context.get(destX, y - 1, z);
+        IBlockState cuttingOver2 = context.get(destX, y - 1, z);
         if (cuttingOver2.getBlock() == Blocks.MAGMA_BLOCK || MovementHelper.isLava(cuttingOver2)) {
             return;
         }
         boolean water = false;
-        BlockState startState = context.get(x, y, z);
+        IBlockState startState = context.get(x, y, z);
         Block startIn = startState.getBlock();
         if (MovementHelper.isWater(startState) || MovementHelper.isWater(destInto)) {
             if (ascend) {
@@ -137,8 +137,8 @@ public class MovementDiagonal extends Movement {
             multiplier = context.waterWalkSpeed;
             water = true;
         }
-        BlockState pb0 = context.get(x, y, destZ);
-        BlockState pb2 = context.get(destX, y, z);
+        IBlockState pb0 = context.get(x, y, destZ);
+        IBlockState pb2 = context.get(destX, y, z);
         if (ascend) {
             boolean ATop = MovementHelper.canWalkThrough(context.bsi, x, y + 2, destZ);
             boolean AMid = MovementHelper.canWalkThrough(context.bsi, x, y + 1, destZ);
@@ -168,13 +168,13 @@ public class MovementDiagonal extends Movement {
             // so no need to check pb1 as well, might as well return early here
             return;
         }
-        BlockState pb1 = context.get(x, y + 1, destZ);
+        IBlockState 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;
         }
-        BlockState pb3 = context.get(destX, y + 1, z);
+        IBlockState 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;

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.BlockState;
-import net.minecraft.block.Blocks;
+import net.minecraft.block.state.IBlockState;
+import net.minecraft.init.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;
         }
-        BlockState down = context.get(x, y - 1, z);
+        IBlockState 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

@@ -31,14 +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.BlockState;
-import net.minecraft.block.Blocks;
-import net.minecraft.block.LadderBlock;
-import net.minecraft.entity.player.PlayerInventory;
+import net.minecraft.block.BlockLadder;
+import net.minecraft.block.state.IBlockState;
+import net.minecraft.entity.player.InventoryPlayer;
 import net.minecraft.fluid.WaterFluid;
+import net.minecraft.init.Blocks;
+import net.minecraft.init.Items;
 import net.minecraft.item.ItemStack;
-import net.minecraft.item.Items;
-import net.minecraft.util.Direction;
+import net.minecraft.util.EnumFacing;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.util.math.Vec3d;
 import net.minecraft.util.math.Vec3i;
@@ -92,11 +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;
-        BlockState destState = ctx.world().getBlockState(dest);
+        IBlockState destState = ctx.world().getBlockState(dest);
         Block destBlock = destState.getBlock();
         boolean isWater = destState.getFluidState().getFluid() instanceof WaterFluid;
         if (!isWater && willPlaceBucket() && !playerFeet.equals(dest)) {
-            if (!PlayerInventory.isHotbar(ctx.player().inventory.getSlotFor(STACK_BUCKET_WATER)) || ctx.world().getDimension().isNether()) {
+            if (!InventoryPlayer.isHotbar(ctx.player().inventory.getSlotFor(STACK_BUCKET_WATER)) || ctx.world().getDimension().isNether()) {
                 return state.setStatus(MovementStatus.UNREACHABLE);
             }
 
@@ -117,15 +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 (PlayerInventory.isHotbar(ctx.player().inventory.getSlotFor(STACK_BUCKET_EMPTY))) {
+                if (InventoryPlayer.isHotbar(ctx.player().inventory.getSlotFor(STACK_BUCKET_EMPTY))) {
                     ctx.player().inventory.currentItem = ctx.player().inventory.getSlotFor(STACK_BUCKET_EMPTY);
-                    if (ctx.player().getMotion().y >= 0) {
+                    if (ctx.player().motionY >= 0) {
                         return state.setInput(Input.CLICK_RIGHT, true);
                     } else {
                         return state;
                     }
                 } else {
-                    if (ctx.player().getMotion().y >= 0) {
+                    if (ctx.player().motionY >= 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
                 }
@@ -134,13 +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().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) {
+        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) {
                 state.setInput(Input.SNEAK, true);
             }
             state.setInput(Input.MOVE_FORWARD, true);
         }
-        Vec3i avoid = Optional.ofNullable(avoid()).map(Direction::getDirectionVec).orElse(null);
+        Vec3i avoid = Optional.ofNullable(avoid()).map(EnumFacing::getDirectionVec).orElse(null);
         if (avoid == null) {
             avoid = src.subtract(dest);
         } else {
@@ -158,11 +158,11 @@ public class MovementFall extends Movement {
         return state;
     }
 
-    private Direction avoid() {
+    private EnumFacing avoid() {
         for (int i = 0; i < 15; i++) {
-            BlockState state = ctx.world().getBlockState(ctx.playerFeet().down(i));
+            IBlockState state = ctx.world().getBlockState(ctx.playerFeet().down(i));
             if (state.getBlock() == Blocks.LADDER) {
-                return state.get(LadderBlock.FACING);
+                return state.get(BlockLadder.FACING);
             }
         }
         return null;

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

@@ -28,12 +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.BlockState;
-import net.minecraft.block.Blocks;
-import net.minecraft.block.StairsBlock;
-import net.minecraft.fluid.Fluids;
+import net.minecraft.block.BlockStairs;
+import net.minecraft.block.state.IBlockState;
 import net.minecraft.fluid.WaterFluid;
-import net.minecraft.util.Direction;
+import net.minecraft.init.Blocks;
+import net.minecraft.init.Fluids;
+import net.minecraft.util.EnumFacing;
 
 import java.util.HashSet;
 import java.util.Set;
@@ -42,25 +42,25 @@ public class MovementParkour extends Movement {
 
     private static final BetterBlockPos[] EMPTY = new BetterBlockPos[]{};
 
-    private final Direction direction;
+    private final EnumFacing direction;
     private final int dist;
     private final boolean ascend;
 
-    private MovementParkour(IBaritone baritone, BetterBlockPos src, int dist, Direction dir, boolean ascend) {
+    private MovementParkour(IBaritone baritone, BetterBlockPos src, int dist, EnumFacing 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, Direction direction) {
+    public static MovementParkour cost(CalculationContext context, BetterBlockPos src, EnumFacing 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, Direction dir, MutableMoveResult res) {
+    public static void cost(CalculationContext context, int x, int y, int z, EnumFacing dir, MutableMoveResult res) {
         if (!context.allowParkour) {
             return;
         }
@@ -74,7 +74,7 @@ public class MovementParkour extends Movement {
             // most common case at the top -- the adjacent block isn't air
             return;
         }
-        BlockState adj = context.get(x + xDiff, y - 1, z + zDiff);
+        IBlockState 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;
@@ -91,8 +91,8 @@ public class MovementParkour extends Movement {
         if (!MovementHelper.fullyPassable(context, x, y + 2, z)) {
             return;
         }
-        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) {
+        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.getFluidState().getFluid() != Fluids.EMPTY) {
             return;
         }
         int maxJump;
@@ -114,7 +114,7 @@ public class MovementParkour extends Movement {
             if (!MovementHelper.fullyPassable(context, destX, y + 2, destZ)) {
                 return;
             }
-            BlockState destInto = context.bsi.get0(destX, y, destZ);
+            IBlockState 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;
@@ -124,7 +124,7 @@ public class MovementParkour extends Movement {
                 }
                 return;
             }
-            BlockState landingOn = context.bsi.get0(destX, y - 1, destZ);
+            IBlockState 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)) {
@@ -148,7 +148,7 @@ public class MovementParkour extends Movement {
         // time 2 pop off with that dank skynet parkour place
         int destX = x + 4 * xDiff;
         int destZ = z + 4 * zDiff;
-        BlockState toReplace = context.get(destX, y - 1, destZ);
+        IBlockState toReplace = context.get(destX, y - 1, destZ);
         double placeCost = context.costOfPlacingAt(destX, y - 1, destZ, toReplace);
         if (placeCost >= COST_INF) {
             return;

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

@@ -32,10 +32,12 @@ import baritone.pathing.movement.MovementState;
 import baritone.utils.BlockStateInterface;
 import com.google.common.collect.ImmutableSet;
 import net.minecraft.block.*;
-import net.minecraft.state.properties.SlabType;
+import net.minecraft.block.state.IBlockState;
+import net.minecraft.init.Blocks;
 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 {
@@ -55,27 +57,27 @@ public class MovementPillar extends Movement {
     }
 
     public static double cost(CalculationContext context, int x, int y, int z) {
-        BlockState fromState = context.get(x, y, z);
+        IBlockState fromState = context.get(x, y, z);
         Block from = fromState.getBlock();
         boolean ladder = from == Blocks.LADDER || from == Blocks.VINE;
-        BlockState fromDown = context.get(x, y - 1, z);
+        IBlockState 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 SlabBlock && fromDown.get(SlabBlock.TYPE) == SlabType.BOTTOM) {
+            if (fromDown.getBlock() instanceof BlockSlab && !fromDown.isTopSolid()) {
                 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;
         }
-        BlockState toBreak = context.get(x, y + 2, z);
+        IBlockState toBreak = context.get(x, y + 2, z);
         Block toBreakBlock = toBreak.getBlock();
-        if (toBreakBlock instanceof FenceGateBlock) { // see issue #172
+        if (toBreakBlock instanceof BlockFenceGate) { // see issue #172
             return COST_INF;
         }
-        BlockState srcUp = null;
+        IBlockState 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)) {
@@ -89,7 +91,7 @@ public class MovementPillar extends Movement {
             if (placeCost >= COST_INF) {
                 return COST_INF;
             }
-            if (fromDown.getBlock() instanceof AirBlock) {
+            if (fromDown.getBlock() instanceof BlockAir) {
                 placeCost += 0.1; // slightly (1/200th of a second) penalize pillaring on what's currently air
             }
         }
@@ -107,20 +109,20 @@ 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 {
-                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) {
+                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) {
                     // see MovementAscend's identical check for breaking a falling block above our head
                     if (srcUp == null) {
                         srcUp = context.get(x, y + 1, z);
                     }
-                    if (!(toBreakBlock instanceof FallingBlock) || !(srcUp.getBlock() instanceof FallingBlock)) {
+                    if (!(toBreakBlock instanceof BlockFalling) || !(srcUp.getBlock() instanceof BlockFalling)) {
                         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?
-                // FallingBlock makes sense, and !canWalkOn deals with weird cases like if it were lava
+                // BlockFalling 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;
                 //}
@@ -134,23 +136,23 @@ public class MovementPillar extends Movement {
     }
 
     public static boolean hasAgainst(CalculationContext context, int x, int y, int z) {
-        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));
+        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();
     }
 
     public static BlockPos getAgainst(CalculationContext context, BetterBlockPos vine) {
-        if (MovementHelper.isBlockNormalCube(context.get(vine.north()))) {
+        if (context.get(vine.north()).isBlockNormalCube()) {
             return vine.north();
         }
-        if (MovementHelper.isBlockNormalCube(context.get(vine.south()))) {
+        if (context.get(vine.south()).isBlockNormalCube()) {
             return vine.south();
         }
-        if (MovementHelper.isBlockNormalCube(context.get(vine.east()))) {
+        if (context.get(vine.east()).isBlockNormalCube()) {
             return vine.east();
         }
-        if (MovementHelper.isBlockNormalCube(context.get(vine.west()))) {
+        if (context.get(vine.west()).isBlockNormalCube()) {
             return vine.west();
         }
         return null;
@@ -167,7 +169,7 @@ public class MovementPillar extends Movement {
             return state.setStatus(MovementStatus.UNREACHABLE);
         }
 
-        BlockState fromDown = BlockStateInterface.get(ctx, src);
+        IBlockState 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));
@@ -191,7 +193,7 @@ 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.get(LadderBlock.FACING).getOpposite());
+            BlockPos against = vine ? getAgainst(new CalculationContext(baritone), src) : src.offset(fromDown.get(BlockLadder.FACING).getOpposite());
             if (against == null) {
                 logDirect("Unable to climb vines. Consider disabling allowVines.");
                 return state.setStatus(MovementStatus.UNREACHABLE);
@@ -224,7 +226,7 @@ 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().getMotion().x * ctx.player().getMotion().x + ctx.player().getMotion().z * ctx.player().getMotion().z);
+            double flatMotion = Math.sqrt(ctx.player().motionX * ctx.player().motionX + ctx.player().motionZ * ctx.player().motionZ);
             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
@@ -241,17 +243,17 @@ public class MovementPillar extends Movement {
 
 
             if (!blockIsThere) {
-                BlockState frState = BlockStateInterface.get(ctx, src);
+                IBlockState frState = BlockStateInterface.get(ctx, src);
                 Block fr = frState.getBlock();
                 // TODO: Evaluate usage of getMaterial().isReplaceable()
-                if (!(fr instanceof AirBlock || frState.getMaterial().isReplaceable())) {
+                if (!(fr instanceof BlockAir || 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() && (ctx.isLookingAt(src.down()) || ctx.isLookingAt(src)) && ctx.player().posY > dest.getY() + 0.1) {
+                } 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) {
                     state.setInput(Input.CLICK_RIGHT, true);
                 }
             }

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

@@ -32,7 +32,9 @@ 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.fluid.WaterFluid;
+import net.minecraft.init.Blocks;
 import net.minecraft.state.properties.SlabType;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.util.math.Vec3d;
@@ -68,10 +70,10 @@ public class MovementTraverse extends Movement {
     }
 
     public static double cost(CalculationContext context, int x, int y, int z, int destX, int destZ) {
-        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);
+        IBlockState pb0 = context.get(destX, y + 1, destZ);
+        IBlockState pb1 = context.get(destX, y, destZ);
+        IBlockState destOn = context.get(destX, y - 1, destZ);
+        IBlockState 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;
@@ -140,7 +142,7 @@ 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 SlabBlock && down.get(SlabBlock.TYPE) != SlabType.DOUBLE)) {
+                if (srcDown == Blocks.SOUL_SAND || (srcDown instanceof BlockSlab && down.get(BlockSlab.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 (down.getFluidState() instanceof WaterFluid) {
@@ -156,8 +158,8 @@ public class MovementTraverse extends Movement {
     @Override
     public MovementState updateState(MovementState state) {
         super.updateState(state);
-        BlockState pb0 = BlockStateInterface.get(ctx, positionsToBreak[0]);
-        BlockState pb1 = BlockStateInterface.get(ctx, positionsToBreak[1]);
+        IBlockState pb0 = BlockStateInterface.get(ctx, positionsToBreak[0]);
+        IBlockState pb1 = BlockStateInterface.get(ctx, positionsToBreak[1]);
         if (state.getStatus() != MovementStatus.RUNNING) {
             // if the setting is enabled
             if (!Baritone.settings().walkWhileBreaking.value) {
@@ -188,7 +190,7 @@ 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 ((MovementHelper.isBlockNormalCube(pb0) || pb0.getBlock() instanceof AirBlock && (MovementHelper.isBlockNormalCube(pb1) || pb1.getBlock() instanceof AirBlock))) {
+            if ((pb0.isFullCube() || pb0.getBlock() instanceof BlockAir && (pb1.isFullCube() || pb1.getBlock() instanceof BlockAir))) {
                 // in the meantime, before we're right up against the block, we can break efficiently at this angle
                 pitchToBreak = 26;
             }
@@ -204,8 +206,9 @@ 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 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);
+        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);
             boolean canOpen = !(Blocks.IRON_DOOR.equals(pb0.getBlock()) || Blocks.IRON_DOOR.equals(pb1.getBlock()));
 
             if (notPassable && canOpen) {
@@ -214,7 +217,7 @@ public class MovementTraverse extends Movement {
             }
         }
 
-        if (pb0.getBlock() instanceof FenceGateBlock || pb1.getBlock() instanceof FenceGateBlock) {
+        if (pb0.getBlock() instanceof BlockFenceGate || pb1.getBlock() instanceof BlockFenceGate) {
             BlockPos blocked = !MovementHelper.isGatePassable(ctx, positionsToBreak[0], src.up()) ? positionsToBreak[0]
                     : !MovementHelper.isGatePassable(ctx, positionsToBreak[1], src) ? positionsToBreak[1]
                     : null;
@@ -251,16 +254,16 @@ public class MovementTraverse extends Movement {
                 return state;
             }
             BlockPos into = dest.subtract(src).add(dest);
-            BlockState intoBelow = BlockStateInterface.get(ctx, into);
-            BlockState intoAbove = BlockStateInterface.get(ctx, into.up());
+            IBlockState intoBelow = BlockStateInterface.get(ctx, into);
+            IBlockState 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);
             }
 
-            BlockState destDown = BlockStateInterface.get(ctx, dest.down());
+            IBlockState 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.get(LadderBlock.FACING).getOpposite());
+                against = destDown.getBlock() == Blocks.VINE ? MovementPillar.getAgainst(new CalculationContext(baritone), dest.down()) : dest.offset(destDown.get(BlockLadder.FACING).getOpposite());
                 if (against == null) {
                     logDirect("Unable to climb vines. Consider disabling allowVines.");
                     return state.setStatus(MovementStatus.UNREACHABLE);
@@ -271,7 +274,7 @@ public class MovementTraverse extends Movement {
         } else {
             wasTheBridgeBlockAlwaysThere = false;
             Block standingOn = BlockStateInterface.get(ctx, feet.down()).getBlock();
-            if (standingOn.equals(Blocks.SOUL_SAND) || standingOn instanceof SlabBlock) { // see issue #118
+            if (standingOn.equals(Blocks.SOUL_SAND) || standingOn instanceof BlockSlab) { // 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 +32,6 @@ import baritone.pathing.movement.Movement;
 import baritone.pathing.movement.MovementHelper;
 import baritone.pathing.movement.movements.*;
 import baritone.utils.BlockStateInterface;
-import net.minecraft.block.Blocks;
 import net.minecraft.util.Tuple;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.util.math.Vec3d;
@@ -328,7 +327,7 @@ public class PathExecutor implements IPathExecutor, Helper {
             return false;
         } else {
             // we are either onGround or in liquid
-            if (ctx.player().getMotion().y < -0.1) {
+            if (ctx.player().motionY < -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

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

@@ -26,8 +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.BlockState;
-import net.minecraft.block.Blocks;
+import net.minecraft.block.state.IBlockState;
+import net.minecraft.init.Blocks;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.world.chunk.EmptyChunk;
 
@@ -36,7 +36,7 @@ import java.util.stream.Collectors;
 
 public final class BackfillProcess extends BaritoneProcessHelper {
 
-    public HashMap<BlockPos, BlockState> blocksToReplace = new HashMap<>();
+    public HashMap<BlockPos, IBlockState> blocksToReplace = new HashMap<>();
 
     public BackfillProcess(Baritone baritone) {
         super(baritone);
@@ -105,7 +105,7 @@ public final class BackfillProcess extends BaritoneProcessHelper {
                 .filter(pos -> ctx.world().getBlockState(pos).getBlock() == Blocks.AIR)
                 .filter(pos -> baritone.getBuilderProcess().placementPlausible(pos, Blocks.DIRT.getDefaultState()))
                 .filter(pos -> !partOfCurrentMovement(pos))
-                .sorted(Comparator.<BlockPos>comparingDouble(ctx.playerFeet()::distanceSq).reversed())
+                .sorted(Comparator.<BlockPos>comparingDouble(ctx.player()::getDistanceSq).reversed())
                 .collect(Collectors.toList());
     }
 

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

@@ -39,18 +39,17 @@ import baritone.utils.schematic.MapArtSchematic;
 import baritone.utils.schematic.Schematic;
 import baritone.utils.schematic.schematica.SchematicaHelper;
 import it.unimi.dsi.fastutil.longs.LongOpenHashSet;
-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.block.BlockAir;
+import net.minecraft.block.BlockFlowingFluid;
+import net.minecraft.block.state.IBlockState;
+import net.minecraft.init.Blocks;
 import net.minecraft.item.BlockItemUseContext;
+import net.minecraft.item.ItemBlock;
 import net.minecraft.item.ItemStack;
 import net.minecraft.item.ItemUseContext;
-import net.minecraft.nbt.CompoundNBT;
 import net.minecraft.nbt.CompressedStreamTools;
-import net.minecraft.util.Direction;
-import net.minecraft.util.Hand;
+import net.minecraft.nbt.NBTTagCompound;
+import net.minecraft.util.EnumFacing;
 import net.minecraft.util.Tuple;
 import net.minecraft.util.math.*;
 import net.minecraft.util.math.shapes.VoxelShape;
@@ -73,7 +72,7 @@ public final class BuilderProcess extends BaritoneProcessHelper implements IBuil
     private int ticks;
     private boolean paused;
     private int layer;
-    private List<BlockState> approxPlaceable;
+    private List<IBlockState> approxPlaceable;
 
     public BuilderProcess(Baritone baritone) {
         super(baritone);
@@ -117,7 +116,7 @@ public final class BuilderProcess extends BaritoneProcessHelper implements IBuil
 
     @Override
     public boolean build(String name, File schematic, Vec3i origin) {
-        CompoundNBT tag;
+        NBTTagCompound tag;
         try (FileInputStream fileIn = new FileInputStream(schematic)) {
             tag = CompressedStreamTools.readCompressed(fileIn);
         } catch (IOException e) {
@@ -155,11 +154,11 @@ public final class BuilderProcess extends BaritoneProcessHelper implements IBuil
     }
 
     @Override
-    public List<BlockState> getApproxPlaceable() {
+    public List<IBlockState> getApproxPlaceable() {
         return new ArrayList<>(approxPlaceable);
     }
 
-    private static ISchematic parse(CompoundNBT schematic) {
+    private static ISchematic parse(NBTTagCompound schematic) {
         return Baritone.settings().mapArtMode.value ? new MapArtSchematic(schematic) : new Schematic(schematic);
     }
 
@@ -168,15 +167,15 @@ public final class BuilderProcess extends BaritoneProcessHelper implements IBuil
         return schematic != null;
     }
 
-    public BlockState placeAt(int x, int y, int z, BlockState current) {
+    public IBlockState placeAt(int x, int y, int z, IBlockState current) {
         if (!isActive()) {
             return null;
         }
         if (!schematic.inSchematic(x - origin.getX(), y - origin.getY(), z - origin.getZ(), current)) {
             return null;
         }
-        BlockState state = schematic.desiredState(x - origin.getX(), y - origin.getY(), z - origin.getZ(), current, this.approxPlaceable);
-        if (state.getBlock() instanceof AirBlock) {
+        IBlockState state = schematic.desiredState(x - origin.getX(), y - origin.getY(), z - origin.getZ(), current, this.approxPlaceable);
+        if (state.getBlock() instanceof BlockAir) {
             return null;
         }
         return state;
@@ -194,12 +193,12 @@ 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
                     }
-                    BlockState desired = bcc.getSchematic(x, y, z, bcc.bsi.get0(x, y, z));
+                    IBlockState desired = bcc.getSchematic(x, y, z, bcc.bsi.get0(x, y, z));
                     if (desired == null) {
                         continue; // irrelevant
                     }
-                    BlockState curr = bcc.bsi.get0(x, y, z);
-                    if (!(curr.getBlock() instanceof AirBlock) && !(curr.getBlock() == Blocks.WATER || curr.getBlock() == Blocks.LAVA) && !valid(curr, desired)) {
+                    IBlockState curr = bcc.bsi.get0(x, y, z);
+                    if (!(curr.getBlock() instanceof BlockAir) && !(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()) {
@@ -216,10 +215,10 @@ public final class BuilderProcess extends BaritoneProcessHelper implements IBuil
 
         private final int hotbarSelection;
         private final BlockPos placeAgainst;
-        private final Direction side;
+        private final EnumFacing side;
         private final Rotation rot;
 
-        public Placement(int hotbarSelection, BlockPos placeAgainst, Direction side, Rotation rot) {
+        public Placement(int hotbarSelection, BlockPos placeAgainst, EnumFacing side, Rotation rot) {
             this.hotbarSelection = hotbarSelection;
             this.placeAgainst = placeAgainst;
             this.side = side;
@@ -227,7 +226,7 @@ public final class BuilderProcess extends BaritoneProcessHelper implements IBuil
         }
     }
 
-    private Optional<Placement> searchForPlacables(BuilderCalculationContext bcc, List<BlockState> desirableOnHotbar) {
+    private Optional<Placement> searchForPlaceables(BuilderCalculationContext bcc, List<IBlockState> desirableOnHotbar) {
         BetterBlockPos center = ctx.playerFeet();
         for (int dx = -5; dx <= 5; dx++) {
             for (int dy = -5; dy <= 1; dy++) {
@@ -235,13 +234,13 @@ public final class BuilderProcess extends BaritoneProcessHelper implements IBuil
                     int x = center.x + dx;
                     int y = center.y + dy;
                     int z = center.z + dz;
-                    BlockState desired = bcc.getSchematic(x, y, z, bcc.bsi.get0(x, y, z));
+                    IBlockState desired = bcc.getSchematic(x, y, z, bcc.bsi.get0(x, y, z));
                     if (desired == null) {
                         continue; // irrelevant
                     }
-                    BlockState curr = bcc.bsi.get0(x, y, z);
+                    IBlockState curr = bcc.bsi.get0(x, y, z);
                     if (MovementHelper.isReplaceable(x, y, z, curr, bcc.bsi) && !valid(curr, desired)) {
-                        if (dy == 1 && bcc.bsi.get0(x, y + 1, z).getBlock() instanceof AirBlock) {
+                        if (dy == 1 && bcc.bsi.get0(x, y + 1, z).getBlock() instanceof BlockAir) {
                             continue;
                         }
                         desirableOnHotbar.add(desired);
@@ -256,15 +255,15 @@ public final class BuilderProcess extends BaritoneProcessHelper implements IBuil
         return Optional.empty();
     }
 
-    public boolean placementPlausible(BlockPos pos, BlockState state) {
+    public boolean placementPlausible(BlockPos pos, IBlockState 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()) {
+    private Optional<Placement> possibleToPlace(IBlockState toPlace, int x, int y, int z, BlockStateInterface bsi) {
+        for (EnumFacing against : EnumFacing.values()) {
             BetterBlockPos placeAgainstPos = new BetterBlockPos(x, y, z).offset(against);
-            BlockState placeAgainstState = bsi.get0(placeAgainstPos);
+            IBlockState placeAgainstState = bsi.get0(placeAgainstPos);
             if (MovementHelper.isReplaceable(placeAgainstPos.x, placeAgainstPos.y, placeAgainstPos.z, placeAgainstState, bsi)) {
                 continue;
             }
@@ -281,7 +280,7 @@ public final class BuilderProcess extends BaritoneProcessHelper implements IBuil
                 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.getType() == RayTraceResult.Type.BLOCK && ((BlockRayTraceResult) result).getPos().equals(placeAgainstPos) && ((BlockRayTraceResult) result).getFace() == against.getOpposite()) {
+                if (result != null && result.type == RayTraceResult.Type.BLOCK && result.getBlockPos().equals(placeAgainstPos) && result.sideHit == against.getOpposite()) {
                     OptionalInt hotbar = hasAnyItemThatWouldPlace(toPlace, result, rot);
                     if (hotbar.isPresent()) {
                         return Optional.of(new Placement(hotbar.getAsInt(), placeAgainstPos, against.getOpposite(), rot));
@@ -292,10 +291,10 @@ public final class BuilderProcess extends BaritoneProcessHelper implements IBuil
         return Optional.empty();
     }
 
-    private OptionalInt hasAnyItemThatWouldPlace(BlockState desired, RayTraceResult result, Rotation rot) {
+    private OptionalInt hasAnyItemThatWouldPlace(IBlockState 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 BlockItem)) {
+            if (stack.isEmpty() || !(stack.getItem() instanceof ItemBlock)) {
                 continue;
             }
             float originalYaw = ctx.player().rotationYaw;
@@ -304,13 +303,15 @@ public final class BuilderProcess extends BaritoneProcessHelper implements IBuil
             ctx.player().rotationYaw = rot.getYaw();
             ctx.player().rotationPitch = rot.getPitch();
             BlockItemUseContext meme = new BlockItemUseContext(new ItemUseContext(
-                    ctx.world(),
                     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);
+                    result.getBlockPos().offset(result.sideHit),
+                    result.sideHit,
+                    (float) result.hitVec.x - result.getBlockPos().getX(),
+                    (float) result.hitVec.y - result.getBlockPos().getY(),
+                    (float) result.hitVec.z - result.getBlockPos().getZ()
+            ));
+            IBlockState wouldBePlaced = ((ItemBlock) stack.getItem()).getBlock().getStateForPlacement(meme);
             ctx.player().rotationYaw = originalYaw;
             ctx.player().rotationPitch = originalPitch;
             if (wouldBePlaced == null) {
@@ -326,7 +327,7 @@ public final class BuilderProcess extends BaritoneProcessHelper implements IBuil
         return OptionalInt.empty();
     }
 
-    private static Vec3d[] aabbSideMultipliers(Direction side) {
+    private static Vec3d[] aabbSideMultipliers(EnumFacing 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)};
@@ -374,12 +375,12 @@ public final class BuilderProcess extends BaritoneProcessHelper implements IBuil
             }
             schematic = new ISchematic() {
                 @Override
-                public BlockState desiredState(int x, int y, int z, BlockState current, List<BlockState> approxPlaceable) {
+                public IBlockState desiredState(int x, int y, int z, IBlockState current, List<IBlockState> approxPlaceable) {
                     return realSchematic.desiredState(x, y, z, current, BuilderProcess.this.approxPlaceable);
                 }
 
                 @Override
-                public boolean inSchematic(int x, int y, int z, BlockState currentState) {
+                public boolean inSchematic(int x, int y, int z, IBlockState currentState) {
                     return ISchematic.super.inSchematic(x, y, z, currentState) && y >= minYInclusive && y <= maxYInclusive && realSchematic.inSchematic(x, y, z, currentState);
                 }
 
@@ -441,14 +442,14 @@ public final class BuilderProcess extends BaritoneProcessHelper implements IBuil
             }
             return new PathingCommand(null, PathingCommandType.CANCEL_AND_SET_GOAL);
         }
-        List<BlockState> desirableOnHotbar = new ArrayList<>();
-        Optional<Placement> toPlace = searchForPlacables(bcc, desirableOnHotbar);
+        List<IBlockState> desirableOnHotbar = new ArrayList<>();
+        Optional<Placement> toPlace = searchForPlaceables(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) && ((BlockRayTraceResult) ctx.objectMouseOver()).getFace().equals(toPlace.get().side)) || ctx.playerRotations().isReallyCloseTo(rot)) {
+            if ((ctx.isLookingAt(toPlace.get().placeAgainst) && ctx.objectMouseOver().sideHit.equals(toPlace.get().side)) || ctx.playerRotations().isReallyCloseTo(rot)) {
                 baritone.getInputOverrideHandler().setInputForceState(Input.CLICK_RIGHT, true);
             }
             return new PathingCommand(null, PathingCommandType.CANCEL_AND_SET_GOAL);
@@ -456,9 +457,9 @@ public final class BuilderProcess extends BaritoneProcessHelper implements IBuil
 
         if (Baritone.settings().allowInventory.value) {
             ArrayList<Integer> usefulSlots = new ArrayList<>();
-            List<BlockState> noValidHotbarOption = new ArrayList<>();
+            List<IBlockState> noValidHotbarOption = new ArrayList<>();
             outer:
-            for (BlockState desired : desirableOnHotbar) {
+            for (IBlockState desired : desirableOnHotbar) {
                 for (int i = 0; i < 9; i++) {
                     if (valid(approxPlaceable.get(i), desired)) {
                         usefulSlots.add(i);
@@ -470,7 +471,7 @@ public final class BuilderProcess extends BaritoneProcessHelper implements IBuil
 
             outer:
             for (int i = 9; i < 36; i++) {
-                for (BlockState desired : noValidHotbarOption) {
+                for (IBlockState desired : noValidHotbarOption) {
                     if (valid(approxPlaceable.get(i), desired)) {
                         baritone.getInventoryBehavior().attemptToPutOnHotbar(i, usefulSlots::contains);
                         break outer;
@@ -508,7 +509,7 @@ public final class BuilderProcess extends BaritoneProcessHelper implements IBuil
 
     private void trim() {
         HashSet<BetterBlockPos> copy = new HashSet<>(incorrectPositions);
-        copy.removeIf(pos -> pos.distanceSq(new BlockPos(ctx.player())) > 200);
+        copy.removeIf(pos -> pos.distanceSq(ctx.player().posX, ctx.player().posY, ctx.player().posZ) > 200);
         if (!copy.isEmpty()) {
             incorrectPositions = copy;
         }
@@ -523,7 +524,7 @@ public final class BuilderProcess extends BaritoneProcessHelper implements IBuil
                     int x = center.x + dx;
                     int y = center.y + dy;
                     int z = center.z + dz;
-                    BlockState desired = bcc.getSchematic(x, y, z, bcc.bsi.get0(x, y, z));
+                    IBlockState desired = bcc.getSchematic(x, y, z, bcc.bsi.get0(x, y, z));
                     if (desired != null) {
                         // we care about this position
                         BetterBlockPos pos = new BetterBlockPos(x, y, z);
@@ -548,7 +549,7 @@ public final class BuilderProcess extends BaritoneProcessHelper implements IBuil
                     int blockX = x + origin.getX();
                     int blockY = y + origin.getY();
                     int blockZ = z + origin.getZ();
-                    BlockState current = bcc.bsi.get0(blockX, blockY, blockZ);
+                    IBlockState current = bcc.bsi.get0(blockX, blockY, blockZ);
                     if (!schematic.inSchematic(x, y, z, current)) {
                         continue;
                     }
@@ -579,18 +580,18 @@ public final class BuilderProcess extends BaritoneProcessHelper implements IBuil
         }
     }
 
-    private Goal assemble(BuilderCalculationContext bcc, List<BlockState> approxPlaceable) {
+    private Goal assemble(BuilderCalculationContext bcc, List<IBlockState> approxPlaceable) {
         List<BetterBlockPos> placeable = new ArrayList<>();
         List<BetterBlockPos> breakable = new ArrayList<>();
         List<BetterBlockPos> sourceLiquids = new ArrayList<>();
         incorrectPositions.forEach(pos -> {
-            BlockState state = bcc.bsi.get0(pos);
-            if (state.getBlock() instanceof AirBlock) {
+            IBlockState state = bcc.bsi.get0(pos);
+            if (state.getBlock() instanceof BlockAir) {
                 if (approxPlaceable.contains(bcc.getSchematic(pos.x, pos.y, pos.z, state))) {
                     placeable.add(pos);
                 }
             } else {
-                if (state.getBlock() instanceof FlowingFluidBlock) {
+                if (state.getBlock() instanceof BlockFlowingFluid) {
                     // 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)) {
@@ -666,12 +667,12 @@ public final class BuilderProcess extends BaritoneProcessHelper implements IBuil
     }
 
     private Goal placementGoal(BlockPos pos, BuilderCalculationContext bcc) {
-        if (!(ctx.world().getBlockState(pos).getBlock() instanceof AirBlock)) {  // TODO can this even happen?
+        if (!(ctx.world().getBlockState(pos).getBlock() instanceof BlockAir)) {  // TODO can this even happen?
             return new GoalPlace(pos);
         }
-        boolean allowSameLevel = !(ctx.world().getBlockState(pos.up()).getBlock() instanceof AirBlock);
-        BlockState current = ctx.world().getBlockState(pos);
-        for (Direction facing : Movement.HORIZONTALS_BUT_ALSO_DOWN_____SO_EVERY_DIRECTION_EXCEPT_UP) {
+        boolean allowSameLevel = !(ctx.world().getBlockState(pos.up()).getBlock() instanceof BlockAir);
+        IBlockState current = ctx.world().getBlockState(pos);
+        for (EnumFacing facing : Movement.HORIZONTALS_BUT_ALSO_DOWN_____SO_EVERY_DIRECTION_EXCEPT_UP) {
             //noinspection ConstantConditions
             if (MovementHelper.canPlaceAgainst(ctx, pos.offset(facing)) && placementPlausible(pos, bcc.getSchematic(pos.getX(), pos.getY(), pos.getZ(), current))) {
                 return new GoalAdjacent(pos, pos.offset(facing), allowSameLevel);
@@ -681,7 +682,7 @@ 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 AirBlock && bcc.bsi.get0(pos.up(2)).getBlock() instanceof AirBlock) { // TODO maybe possible without the up(2) check?
+        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?
             return new JankyGoalComposite(new GoalBreak(pos), new GoalGetToBlock(pos.up()) {
                 @Override
                 public boolean isInGoal(int x, int y, int z) {
@@ -756,26 +757,26 @@ public final class BuilderProcess extends BaritoneProcessHelper implements IBuil
         return paused ? "Builder Paused" : "Building " + name;
     }
 
-    private List<BlockState> approxPlaceable(int size) {
-        List<BlockState> result = new ArrayList<>();
+    private List<IBlockState> approxPlaceable(int size) {
+        List<IBlockState> result = new ArrayList<>();
         for (int i = 0; i < size; i++) {
             ItemStack stack = ctx.player().inventory.mainInventory.get(i);
-            if (stack.isEmpty() || !(stack.getItem() instanceof BlockItem)) {
+            if (stack.isEmpty() || !(stack.getItem() instanceof ItemBlock)) {
                 result.add(Blocks.AIR.getDefaultState());
                 continue;
             }
             // <toxic cloud>
-            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)) {})));
+            result.add(((ItemBlock) stack.getItem()).getBlock().getStateForPlacement(new BlockItemUseContext(new ItemUseContext(ctx.player(), stack, ctx.playerFeet(), EnumFacing.UP, (float) ctx.player().posX, (float) ctx.player().posY, (float) ctx.player().posZ))));
             // </toxic cloud>
         }
         return result;
     }
 
-    private boolean valid(BlockState current, BlockState desired) {
+    private boolean valid(IBlockState current, IBlockState desired) {
         if (desired == null) {
             return true;
         }
-        if (current.getBlock() instanceof AirBlock && desired.getBlock() instanceof AirBlock) {
+        if (current.getBlock() instanceof BlockAir && desired.getBlock() instanceof BlockAir) {
             return true;
         }
         if ((current.getBlock() == Blocks.WATER || current.getBlock() == Blocks.LAVA) && Baritone.settings().okIfWater.value) {
@@ -787,7 +788,7 @@ public final class BuilderProcess extends BaritoneProcessHelper implements IBuil
 
     public class BuilderCalculationContext extends CalculationContext {
 
-        private final List<BlockState> placeable;
+        private final List<IBlockState> placeable;
         private final ISchematic schematic;
         private final int originX;
         private final int originY;
@@ -805,7 +806,7 @@ public final class BuilderProcess extends BaritoneProcessHelper implements IBuil
             this.backtrackCostFavoringCoefficient = 1;
         }
 
-        private BlockState getSchematic(int x, int y, int z, BlockState current) {
+        private IBlockState getSchematic(int x, int y, int z, IBlockState current) {
             if (schematic.inSchematic(x - originX, y - originY, z - originZ, current)) {
                 return schematic.desiredState(x - originX, y - originY, z - originZ, current, BuilderProcess.this.approxPlaceable);
             } else {
@@ -814,14 +815,14 @@ public final class BuilderProcess extends BaritoneProcessHelper implements IBuil
         }
 
         @Override
-        public double costOfPlacingAt(int x, int y, int z, BlockState current) {
+        public double costOfPlacingAt(int x, int y, int z, IBlockState current) {
             if (isPossiblyProtected(x, y, z) || !worldBorder.canPlaceAt(x, z)) { // make calculation fail properly if we can't build
                 return COST_INF;
             }
-            BlockState sch = getSchematic(x, y, z, current);
+            IBlockState sch = getSchematic(x, y, z, current);
             if (sch != null) {
                 // TODO this can return true even when allowPlace is off.... is that an issue?
-                if (sch.getBlock() instanceof AirBlock) {
+                if (sch.getBlock() instanceof BlockAir) {
                     // 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
@@ -848,13 +849,13 @@ public final class BuilderProcess extends BaritoneProcessHelper implements IBuil
         }
 
         @Override
-        public double breakCostMultiplierAt(int x, int y, int z, BlockState current) {
+        public double breakCostMultiplierAt(int x, int y, int z, IBlockState current) {
             if (!allowBreak || isPossiblyProtected(x, y, z)) {
                 return COST_INF;
             }
-            BlockState sch = getSchematic(x, y, z, current);
+            IBlockState sch = getSchematic(x, y, z, current);
             if (sch != null) {
-                if (sch.getBlock() instanceof AirBlock) {
+                if (sch.getBlock() instanceof BlockAir) {
                     // it should be air
                     // regardless of current contents, we can break it
                     return 1;

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

@@ -32,14 +32,15 @@ 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.ItemEntity;
+import net.minecraft.entity.item.EntityItem;
+import net.minecraft.init.Blocks;
+import net.minecraft.init.Items;
 import net.minecraft.item.Item;
 import net.minecraft.item.ItemStack;
-import net.minecraft.item.Items;
-import net.minecraft.util.Direction;
+import net.minecraft.util.EnumFacing;
 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;
@@ -99,50 +100,50 @@ public final class FarmProcess extends BaritoneProcessHelper implements IFarmPro
     }
 
     private enum Harvest {
-        WHEAT((CropsBlock) Blocks.WHEAT),
-        CARROTS((CropsBlock) Blocks.CARROTS),
-        POTATOES((CropsBlock) Blocks.POTATOES),
-        BEETROOT((CropsBlock) Blocks.BEETROOTS),
+        WHEAT((BlockCrops) Blocks.WHEAT),
+        CARROTS((BlockCrops) Blocks.CARROTS),
+        POTATOES((BlockCrops) Blocks.POTATOES),
+        BEETROOT((BlockCrops) Blocks.BEETROOTS),
         PUMPKIN(Blocks.PUMPKIN, state -> true),
         MELON(Blocks.MELON, state -> true),
-        NETHERWART(Blocks.NETHER_WART, state -> state.get(NetherWartBlock.AGE) >= 3),
+        NETHERWART(Blocks.NETHER_WART, state -> state.get(BlockNetherWart.AGE) >= 3),
         SUGARCANE(Blocks.SUGAR_CANE, null) {
             @Override
-            public boolean readyToHarvest(World world, BlockPos pos, BlockState state) {
+            public boolean readyToHarvest(World world, BlockPos pos, IBlockState state) {
                 if (Baritone.settings().replantCrops.value) {
-                    return world.getBlockState(pos.down()).getBlock() instanceof SugarCaneBlock;
+                    return world.getBlockState(pos.down()).getBlock() instanceof BlockReed;
                 }
                 return true;
             }
         },
         CACTUS(Blocks.CACTUS, null) {
             @Override
-            public boolean readyToHarvest(World world, BlockPos pos, BlockState state) {
+            public boolean readyToHarvest(World world, BlockPos pos, IBlockState state) {
                 if (Baritone.settings().replantCrops.value) {
-                    return world.getBlockState(pos.down()).getBlock() instanceof CactusBlock;
+                    return world.getBlockState(pos.down()).getBlock() instanceof BlockCactus;
                 }
                 return true;
             }
         };
         public final Block block;
-        public final Predicate<BlockState> readyToHarvest;
+        public final Predicate<IBlockState> readyToHarvest;
 
-        Harvest(CropsBlock blockCrops) {
+        Harvest(BlockCrops blockCrops) {
             this(blockCrops, blockCrops::isMaxAge);
             // max age is 7 for wheat, carrots, and potatoes, but 3 for beetroot
         }
 
-        Harvest(Block block, Predicate<BlockState> readyToHarvest) {
+        Harvest(Block block, Predicate<IBlockState> readyToHarvest) {
             this.block = block;
             this.readyToHarvest = readyToHarvest;
         }
 
-        public boolean readyToHarvest(World world, BlockPos pos, BlockState state) {
+        public boolean readyToHarvest(World world, BlockPos pos, IBlockState state) {
             return readyToHarvest.test(state);
         }
     }
 
-    private boolean readyForHarvest(World world, BlockPos pos, BlockState state) {
+    private boolean readyForHarvest(World world, BlockPos pos, IBlockState state) {
         for (Harvest harvest : Harvest.values()) {
             if (harvest.block == state.getBlock()) {
                 return harvest.readyToHarvest(world, pos, state);
@@ -187,8 +188,8 @@ public final class FarmProcess extends BaritoneProcessHelper implements IFarmPro
         List<BlockPos> bonemealable = new ArrayList<>();
         List<BlockPos> openSoulsand = new ArrayList<>();
         for (BlockPos pos : locations) {
-            BlockState state = ctx.world().getBlockState(pos);
-            boolean airAbove = ctx.world().getBlockState(pos.up()).getBlock() instanceof AirBlock;
+            IBlockState state = ctx.world().getBlockState(pos);
+            boolean airAbove = ctx.world().getBlockState(pos.up()).getBlock() instanceof BlockAir;
             if (state.getBlock() == Blocks.FARMLAND) {
                 if (airAbove) {
                     openFarmland.add(pos);
@@ -232,7 +233,7 @@ 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 instanceof BlockRayTraceResult && ((BlockRayTraceResult) result).getFace() == Direction.UP) {
+                if (result.type == RayTraceResult.Type.BLOCK && result.sideHit == EnumFacing.UP) {
                     baritone.getLookBehavior().updateTarget(rot.get(), true);
                     if (ctx.isLookingAt(pos)) {
                         baritone.getInputOverrideHandler().setInputForceState(Input.CLICK_RIGHT, true);
@@ -277,9 +278,9 @@ public final class FarmProcess extends BaritoneProcessHelper implements IFarmPro
                 goalz.add(new GoalBlock(pos));
             }
         }
-        for (Entity entity : ctx.entities()) {
-            if (entity instanceof ItemEntity && entity.onGround) {
-                ItemEntity ei = (ItemEntity) entity;
+        for (Entity entity : ctx.world().loadedEntityList) {
+            if (entity instanceof EntityItem && entity.onGround) {
+                EntityItem ei = (EntityItem) 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

@@ -32,6 +32,7 @@ import net.minecraft.util.math.BlockPos;
 import java.util.List;
 import java.util.function.Predicate;
 import java.util.stream.Collectors;
+import java.util.stream.Stream;
 
 /**
  * Follow an entity
@@ -76,11 +77,12 @@ public final class FollowProcess extends BaritoneProcessHelper implements IFollo
         if (entity.equals(ctx.player())) {
             return false;
         }
-        return ctx.entitiesStream().anyMatch(entity::equals);
+        return ctx.world().loadedEntityList.contains(entity);
     }
 
     private void scanWorld() {
-        cache = ctx.entitiesStream()
+        cache = Stream.of(ctx.world().loadedEntityList, ctx.world().playerEntities)
+                .flatMap(List::stream)
                 .filter(this::followable)
                 .filter(this.filter)
                 .distinct()

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

@@ -28,11 +28,10 @@ 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.block.Blocks;
-import net.minecraft.inventory.container.PlayerContainer;
+import net.minecraft.init.Blocks;
+import net.minecraft.inventory.ContainerPlayer;
 import net.minecraft.util.math.BlockPos;
 
 import java.util.*;
@@ -124,7 +123,7 @@ 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.playerFeet()::distanceSq)).ifPresent(newBlacklist::add);
+        knownLocations.stream().min(Comparator.comparingDouble(ctx.player()::getDistanceSq)).ifPresent(newBlacklist::add);
         outer:
         while (true) {
             for (BlockPos known : knownLocations) {
@@ -183,7 +182,7 @@ public final class GetToBlockProcess extends BaritoneProcessHelper implements IG
         if (walkIntoInsteadOfAdjacent(gettingTo.getBlock())) {
             return new GoalTwoBlocks(pos);
         }
-        if (blockOnTopMustBeRemoved(gettingTo.getBlock()) && MovementHelper.isBlockNormalCube(baritone.bsi.get0(pos.up()))) { // TODO this should be the check for chest openability
+        if (blockOnTopMustBeRemoved(gettingTo.getBlock()) && baritone.bsi.get0(pos.up()).isBlockNormalCube()) {
             return new GoalBlock(pos.up());
         }
         return new GoalGetToBlock(pos);
@@ -197,7 +196,7 @@ 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 PlayerContainer)) {
+                    if (!(ctx.player().openContainer instanceof ContainerPlayer)) {
                         return true;
                     }
                 }

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

@@ -30,10 +30,13 @@ import baritone.pathing.movement.CalculationContext;
 import baritone.pathing.movement.MovementHelper;
 import baritone.utils.BaritoneProcessHelper;
 import baritone.utils.BlockStateInterface;
-import net.minecraft.block.*;
-import net.minecraft.client.world.ClientWorld;
+import net.minecraft.block.Block;
+import net.minecraft.block.BlockAir;
+import net.minecraft.block.BlockFalling;
+import net.minecraft.block.state.IBlockState;
 import net.minecraft.entity.Entity;
-import net.minecraft.entity.item.ItemEntity;
+import net.minecraft.entity.item.EntityItem;
+import net.minecraft.init.Blocks;
 import net.minecraft.item.ItemStack;
 import net.minecraft.util.math.BlockPos;
 
@@ -85,7 +88,7 @@ public final class MineProcess extends BaritoneProcessHelper implements IMinePro
         if (calcFailed) {
             if (!knownOreLocations.isEmpty() && Baritone.settings().blacklistClosestOnFailure.value) {
                 logDirect("Unable to find any path to " + filter + ", blacklisting presumably unreachable closest instance...");
-                knownOreLocations.stream().min(Comparator.comparingDouble(ctx.playerFeet()::distanceSq)).ifPresent(blacklist::add);
+                knownOreLocations.stream().min(Comparator.comparingDouble(ctx.player()::getDistanceSq)).ifPresent(blacklist::add);
                 knownOreLocations.removeIf(blacklist::contains);
             } else {
                 logDirect("Unable to find any path to " + filter + ", canceling mine");
@@ -111,12 +114,12 @@ 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 AirBlock)) // after breaking a block, it takes mineGoalUpdateInterval ticks for it to actually update this list =(
-                .min(Comparator.comparingDouble(ctx.playerFeet()::distanceSq));
+                .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));
         baritone.getInputOverrideHandler().clearAllKeys();
         if (shaft.isPresent() && ctx.player().onGround) {
             BlockPos pos = shaft.get();
-            BlockState state = baritone.bsi.get0(pos);
+            IBlockState 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) {
@@ -139,7 +142,6 @@ public final class MineProcess extends BaritoneProcessHelper implements IMinePro
         return command;
     }
 
-
     private void updateLoucaSystem() {
         Map<BlockPos, Long> copy = new HashMap<>(anticipatedDrops);
         ctx.getSelectedBlock().ifPresent(pos -> {
@@ -230,15 +232,15 @@ public final class MineProcess extends BaritoneProcessHelper implements IMinePro
         if (locs.contains(pos)) {
             return true;
         }
-        BlockState state = context.bsi.get0(pos);
-        if (Baritone.settings().internalMiningAirException.value && state.getBlock() instanceof AirBlock) {
+        IBlockState state = context.bsi.get0(pos);
+        if (Baritone.settings().internalMiningAirException.value && state.getBlock() instanceof BlockAir) {
             return true;
         }
         return filter.has(state) && plausibleToBreak(context, pos);
     }
 
     private Goal coalesce(BlockPos loc, List<BlockPos> locs, CalculationContext context) {
-        boolean assumeVerticalShaftMine = !(baritone.bsi.get0(loc.up()).getBlock() instanceof FallingBlock);
+        boolean assumeVerticalShaftMine = !(baritone.bsi.get0(loc.up()).getBlock() instanceof BlockFalling);
         if (!Baritone.settings().forceInternalMining.value) {
             if (assumeVerticalShaftMine) {
                 // we can get directly below the block
@@ -304,9 +306,9 @@ public final class MineProcess extends BaritoneProcessHelper implements IMinePro
             return Collections.emptyList();
         }
         List<BlockPos> ret = new ArrayList<>();
-        for (Entity entity : ((ClientWorld) ctx.world()).getAllEntities()) {
-            if (entity instanceof ItemEntity) {
-                ItemEntity ei = (ItemEntity) entity;
+        for (Entity entity : ctx.world().loadedEntityList) {
+            if (entity instanceof EntityItem) {
+                EntityItem ei = (EntityItem) entity;
                 if (filter.has(ei.getItem())) {
                     ret.add(new BlockPos(entity));
                 }
@@ -399,7 +401,7 @@ public final class MineProcess extends BaritoneProcessHelper implements IMinePro
 
                 .filter(pos -> !blacklist.contains(pos))
 
-                .sorted(Comparator.comparingDouble(new BlockPos(ctx.getBaritone().getPlayerContext().player())::distanceSq))
+                .sorted(Comparator.comparingDouble(ctx.getBaritone().getPlayerContext().player()::getDistanceSq))
                 .collect(Collectors.toList());
 
         if (locs.size() > max) {

src/main/java/baritone/selection/Selection.java

@@ -2,7 +2,7 @@ package baritone.selection;
 
 import baritone.api.selection.ISelection;
 import baritone.api.utils.BetterBlockPos;
-import net.minecraft.util.Direction;
+import net.minecraft.util.EnumFacing;
 import net.minecraft.util.math.AxisAlignedBB;
 import net.minecraft.util.math.Vec3i;
 
@@ -83,14 +83,14 @@ public class Selection implements ISelection {
     /**
      * Since it might not be immediately obvious what this does, let me explain.
      * <p>
-     * Let's say you specify Direction.UP, this functions returns if pos2 is the highest BlockPos.
-     * If you specify Direction.DOWN, it returns if pos2 is the lowest BlockPos.
+     * Let's say you specify EnumFacing.UP, this functions returns if pos2 is the highest BlockPos.
+     * If you specify EnumFacing.DOWN, it returns if pos2 is the lowest BlockPos.
      *
      * @param facing The direction to check.
      * @return {@code true} if pos2 is further in that direction than pos1, {@code false} if it isn't, and something
      * else if they're both at the same position on that axis (it really doesn't matter)
      */
-    private boolean isPos2(Direction facing) {
+    private boolean isPos2(EnumFacing facing) {
         boolean negative = facing.getAxisDirection().getOffset() < 0;
 
         switch (facing.getAxis()) {
@@ -101,12 +101,12 @@ public class Selection implements ISelection {
             case Z:
                 return (pos2.z > pos1.z) ^ negative;
             default:
-                throw new IllegalStateException("Bad Direction.Axis");
+                throw new IllegalStateException("Bad EnumFacing.Axis");
         }
     }
 
     @Override
-    public ISelection expand(Direction direction, int blocks) {
+    public ISelection expand(EnumFacing direction, int blocks) {
         if (isPos2(direction)) {
             return new Selection(pos1, pos2.offset(direction, blocks));
         } else {
@@ -115,7 +115,7 @@ public class Selection implements ISelection {
     }
 
     @Override
-    public ISelection contract(Direction direction, int blocks) {
+    public ISelection contract(EnumFacing direction, int blocks) {
         if (isPos2(direction)) {
             return new Selection(pos1.offset(direction, blocks), pos2);
         } else {
@@ -124,7 +124,7 @@ public class Selection implements ISelection {
     }
 
     @Override
-    public ISelection shift(Direction direction, int blocks) {
+    public ISelection shift(EnumFacing direction, int blocks) {
         return new Selection(pos1.offset(direction, blocks), pos2.offset(direction, blocks));
     }
 }

src/main/java/baritone/selection/SelectionManager.java

@@ -4,7 +4,7 @@ import baritone.Baritone;
 import baritone.api.selection.ISelection;
 import baritone.api.selection.ISelectionManager;
 import baritone.api.utils.BetterBlockPos;
-import net.minecraft.util.Direction;
+import net.minecraft.util.EnumFacing;
 
 import java.util.LinkedList;
 import java.util.ListIterator;
@@ -69,7 +69,7 @@ public class SelectionManager implements ISelectionManager {
     }
 
     @Override
-    public synchronized ISelection expand(ISelection selection, Direction direction, int blocks) {
+    public synchronized ISelection expand(ISelection selection, EnumFacing direction, int blocks) {
         for (ListIterator<ISelection> it = selections.listIterator(); it.hasNext(); ) {
             ISelection current = it.next();
 
@@ -85,7 +85,7 @@ public class SelectionManager implements ISelectionManager {
     }
 
     @Override
-    public synchronized ISelection contract(ISelection selection, Direction direction, int blocks) {
+    public synchronized ISelection contract(ISelection selection, EnumFacing direction, int blocks) {
         for (ListIterator<ISelection> it = selections.listIterator(); it.hasNext(); ) {
             ISelection current = it.next();
 
@@ -101,7 +101,7 @@ public class SelectionManager implements ISelectionManager {
     }
 
     @Override
-    public synchronized ISelection shift(ISelection selection, Direction direction, int blocks) {
+    public synchronized ISelection shift(ISelection selection, EnumFacing direction, int blocks) {
         for (ListIterator<ISelection> it = selections.listIterator(); it.hasNext(); ) {
             ISelection current = it.next();
 

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

@@ -26,13 +26,10 @@ 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.screen.MainMenuScreen;
-import net.minecraft.client.settings.AmbientOcclusionStatus;
-import net.minecraft.client.settings.CloudOption;
-import net.minecraft.client.settings.ParticleStatus;
+import net.minecraft.client.gui.GuiMainMenu;
 import net.minecraft.client.tutorial.TutorialSteps;
 import net.minecraft.server.integrated.IntegratedServer;
-import net.minecraft.util.HTTPUtil;
+import net.minecraft.util.HttpUtil;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.world.GameType;
 import net.minecraft.world.WorldSettings;
@@ -72,27 +69,27 @@ public class BaritoneAutoTest implements AbstractGameEventListener, Helper {
         System.out.println("Optimizing Game Settings");
 
         GameSettings s = mc.gameSettings;
-        s.framerateLimit = 20;
+        s.limitFramerate = 20;
         s.mipmapLevels = 0;
-        s.particles = ParticleStatus.MINIMAL;
+        s.particleSetting = 2;
         s.overrideWidth = 128;
         s.overrideHeight = 128;
         s.heldItemTooltips = false;
         s.entityShadows = false;
         s.chatScale = 0.0F;
-        s.ambientOcclusionStatus = AmbientOcclusionStatus.OFF;
-        s.cloudOption = CloudOption.OFF;
+        s.ambientOcclusion = 0;
+        s.clouds = 0;
         s.fancyGraphics = false;
         s.tutorialStep = TutorialSteps.NONE;
         s.hideGUI = true;
-        s.fov = 30.0F;
+        s.fovSetting = 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 MainMenuScreen) {
+        if (mc.currentScreen instanceof GuiMainMenu) {
             System.out.println("Beginning Baritone automatic test routine");
             mc.displayGuiScreen(null);
             WorldSettings worldsettings = new WorldSettings(TEST_SEED, GameType.getByName("survival"), true, false, WorldType.DEFAULT);
@@ -104,16 +101,8 @@ public class BaritoneAutoTest implements AbstractGameEventListener, Helper {
         // If the integrated server is launched and the world has initialized, set the spawn point
         // to our defined starting position
         if (server != null && server.getWorld(DimensionType.OVERWORLD) != null) {
-            if (mc.player == null) {
-                server.execute(() -> {
-                    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 + "");
-                    }
-                });
-            }
+            server.getWorld(DimensionType.OVERWORLD).setSpawnPoint(STARTING_POSITION);
+            server.getWorld(DimensionType.OVERWORLD).getGameRules().setOrCreateGameRule("spawnRadius", "0", server);
         }
 
         if (event.getType() == TickEvent.Type.IN) { // If we're in-game
@@ -121,7 +110,7 @@ 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, HTTPUtil.getSuitableLanPort());
+                mc.getIntegratedServer().shareToLAN(GameType.getByName("survival"), false, HttpUtil.getSuitableLanPort());
             }
 
             // For the first 200 ticks, wait for the world to generate