✨ Setting to rotate schematics

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

@@ -29,6 +29,8 @@ import net.minecraft.network.chat.Component;
 import net.minecraft.world.item.Item;
 import net.minecraft.world.level.block.Block;
 import net.minecraft.world.level.block.Blocks;
+import net.minecraft.world.level.block.Rotation;
+
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -1089,6 +1091,18 @@ public final class Settings {
      */
     public final Setting<Boolean> schematicOrientationZ = new Setting<>(false);
 
+    /**
+     * Rotates the schematic before building it.
+     * Possible values are
+     * <ul>
+     *  <li> NONE - No rotation </li>
+     *  <li> CLOCKWISE_90 - Rotate 90° clockwise </li>
+     *  <li> CLOCKWISE_180 - Rotate 180° clockwise </li>
+     *  <li> COUNTERCLOCKWISE_90 - Rotate 270° clockwise </li>
+     * </ul>
+     */
+    public final Setting<Rotation> buildSchematicRotation = new Setting<>(Rotation.NONE);
+
     /**
      * The fallback used by the build command when no extension is specified. This may be useful if schematics of a
      * particular format are used often, and the user does not wish to have to specify the extension with every usage.

src/api/java/baritone/api/schematic/RotatedSchematic.java

@@ -0,0 +1,136 @@
+/*
+ * 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.api.schematic;
+
+import net.minecraft.world.level.block.state.BlockState;
+import net.minecraft.world.level.block.Rotation;
+
+import java.util.List;
+import java.util.stream.Collectors;
+
+public class RotatedSchematic implements ISchematic {
+
+    private final ISchematic schematic;
+    private final Rotation rotation;
+    private final Rotation inverseRotation;
+
+    public RotatedSchematic(ISchematic schematic, Rotation rotation) {
+        this.schematic = schematic;
+        this.rotation = rotation;
+        // I don't think a 14 line switch would improve readability
+        this.inverseRotation = rotation.getRotated(rotation).getRotated(rotation);
+    }
+
+    @Override
+    public boolean inSchematic(int x, int y, int z, BlockState currentState) {
+        return schematic.inSchematic(
+                rotateX(x, z, widthX(), lengthZ(), inverseRotation),
+                y,
+                rotateZ(x, z, widthX(), lengthZ(), inverseRotation),
+                rotate(currentState, inverseRotation)
+        );
+    }
+
+    @Override
+    public BlockState desiredState(int x, int y, int z, BlockState current, List<BlockState> approxPlaceable) {
+        return rotate(schematic.desiredState(
+                rotateX(x, z, widthX(), lengthZ(), inverseRotation),
+                y,
+                rotateZ(x, z, widthX(), lengthZ(), inverseRotation),
+                rotate(current, inverseRotation),
+                rotate(approxPlaceable, inverseRotation)
+        ), rotation);
+    }
+
+    @Override
+    public void reset() {
+        schematic.reset();
+    }
+
+    @Override
+    public int widthX() {
+        return flipsCoordinates(rotation) ? schematic.lengthZ() : schematic.widthX();
+    }
+
+    @Override
+    public int heightY() {
+        return schematic.heightY();
+    }
+
+    @Override
+    public int lengthZ() {
+        return flipsCoordinates(rotation) ? schematic.widthX() : schematic.lengthZ();
+    }
+
+    /**
+     * Wether {@code rotation} swaps the x and z components
+     */
+    private static boolean flipsCoordinates(Rotation rotation) {
+        return rotation == Rotation.CLOCKWISE_90 || rotation == Rotation.COUNTERCLOCKWISE_90;
+    }
+
+    /**
+     * The x component of x,y after applying the rotation
+     */
+    private static int rotateX(int x, int z, int sizeX, int sizeZ, Rotation rotation) {
+        switch (rotation) {
+            case NONE:
+                return x;
+            case CLOCKWISE_90:
+                return sizeZ - z - 1;
+            case CLOCKWISE_180:
+                return sizeX - x - 1;
+            case COUNTERCLOCKWISE_90:
+                return z;
+        }
+        throw new IllegalArgumentException("Unknown rotation");
+    }
+
+    /**
+     * The z component of x,y after applying the rotation
+     */
+    private static int rotateZ(int x, int z, int sizeX, int sizeZ, Rotation rotation) {
+        switch (rotation) {
+            case NONE:
+                return z;
+            case CLOCKWISE_90:
+                return x;
+            case CLOCKWISE_180:
+                return sizeZ - z - 1;
+            case COUNTERCLOCKWISE_90:
+                return sizeX - x - 1;
+        }
+        throw new IllegalArgumentException("Unknown rotation");
+    }
+
+    private static BlockState rotate(BlockState state, Rotation rotation) {
+        if (state == null) {
+            return null;
+        }
+        return state.rotate(rotation);
+    }
+
+    private static List<BlockState> rotate(List<BlockState> states, Rotation rotation) {
+        if (states == null) {
+            return null;
+        }
+        return states.stream()
+                .map(s -> rotate(s, rotation))
+                .collect(Collectors.toList());
+    }
+}

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

@@ -27,6 +27,8 @@ import net.minecraft.core.registries.BuiltInRegistries;
 import net.minecraft.resources.ResourceLocation;
 import net.minecraft.world.item.Item;
 import net.minecraft.world.level.block.Block;
+import net.minecraft.world.level.block.Rotation;
+
 import java.awt.*;
 import java.io.BufferedReader;
 import java.io.BufferedWriter;
@@ -220,7 +222,7 @@ public class SettingsUtil {
         FLOAT(Float.class, Float::parseFloat),
         LONG(Long.class, Long::parseLong),
         STRING(String.class, String::new),
-        DIRECTION(Direction.class, Direction::byName),
+        ROTATION(Rotation.class, Rotation::valueOf, Rotation::name),
         COLOR(
                 Color.class,
                 str -> new Color(Integer.parseInt(str.split(",")[0]), Integer.parseInt(str.split(",")[1]), Integer.parseInt(str.split(",")[2])),

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

@@ -30,6 +30,7 @@ import baritone.api.schematic.ISchematic;
 import baritone.api.schematic.IStaticSchematic;
 import baritone.api.schematic.MaskSchematic;
 import baritone.api.schematic.SubstituteSchematic;
+import baritone.api.schematic.RotatedSchematic;
 import baritone.api.schematic.format.ISchematicFormat;
 import baritone.api.utils.*;
 import baritone.api.utils.input.Input;
@@ -119,6 +120,9 @@ public final class BuilderProcess extends BaritoneProcessHelper implements IBuil
         if (!Baritone.settings().buildSubstitutes.value.isEmpty()) {
             this.schematic = new SubstituteSchematic(this.schematic, Baritone.settings().buildSubstitutes.value);
         }
+        if (Baritone.settings().buildSchematicRotation.value != net.minecraft.world.level.block.Rotation.NONE) {
+            this.schematic = new RotatedSchematic(this.schematic, Baritone.settings().buildSchematicRotation.value);
+        }
         // TODO this preserves the old behavior, but maybe we should bake the setting value right here
         this.schematic = new MaskSchematic(this.schematic) {
             @Override