Fix block rotation

worldedit-core/src/main/java/com/boydti/fawe/object/schematic/Schematic.java

@@ -15,7 +15,6 @@ import com.sk89q.worldedit.extent.clipboard.Clipboard;
 import com.sk89q.worldedit.extent.clipboard.io.ClipboardFormat;
 import com.sk89q.worldedit.extent.clipboard.io.ClipboardWriter;
 import com.sk89q.worldedit.extent.transform.BlockTransformExtent;
-import com.sk89q.worldedit.extent.transform.BlockTransformExtent2;
 import com.sk89q.worldedit.function.RegionFunction;
 import com.sk89q.worldedit.function.mask.ExistingBlockMask;
 import com.sk89q.worldedit.function.mask.Mask;
@@ -138,7 +137,7 @@ public class Schematic {
         Extent extent = clipboard;
         Mask sourceMask = editSession.getSourceMask();
         if (transform != null && !transform.isIdentity()) {
-            extent = new BlockTransformExtent2(clipboard, transform);
+            extent = new BlockTransformExtent(clipboard, transform);
         } else if (sourceMask == null) {
             paste(editSession, to, pasteAir);
             editSession.flushQueue();
@@ -171,7 +170,7 @@ public class Schematic {
         Region region = clipboard.getRegion();
         Extent source = clipboard;
         if (transform != null) {
-            source = new BlockTransformExtent2(clipboard, transform);
+            source = new BlockTransformExtent(clipboard, transform);
         }
         ForwardExtentCopy copy = new ForwardExtentCopy(source, clipboard.getRegion(), clipboard.getOrigin(), extent, to);
         if (transform != null) {

worldedit-core/src/main/java/com/sk89q/worldedit/command/FlattenedClipboardTransform.java

@@ -24,10 +24,8 @@ import static com.google.common.base.Preconditions.checkNotNull;
 import com.sk89q.worldedit.extent.Extent;
 import com.sk89q.worldedit.extent.clipboard.Clipboard;
 import com.sk89q.worldedit.extent.transform.BlockTransformExtent;
-import com.sk89q.worldedit.extent.transform.BlockTransformExtent2;
 import com.sk89q.worldedit.function.operation.ForwardExtentCopy;
 import com.sk89q.worldedit.function.operation.Operation;
-import com.sk89q.worldedit.math.MutableVector3;
 import com.sk89q.worldedit.math.Vector3;
 import com.sk89q.worldedit.math.transform.AffineTransform;
 import com.sk89q.worldedit.math.transform.CombinedTransform;
@@ -118,7 +116,7 @@ public class FlattenedClipboardTransform {
      */
     public Operation copyTo(Extent target) {
         Extent extent = original;
-        if (transform != null && !transform.isIdentity()) extent = new BlockTransformExtent2(original, transform);
+        if (transform != null && !transform.isIdentity()) extent = new BlockTransformExtent(original, transform);
         ForwardExtentCopy copy = new ForwardExtentCopy(extent, original.getRegion(), original.getOrigin(), target, original.getOrigin());
         copy.setTransform(transform);
         return copy;

worldedit-core/src/main/java/com/sk89q/worldedit/extent/transform/BlockTransformExtent.java

@@ -1,276 +1,455 @@
-/*
- * WorldEdit, a Minecraft world manipulation toolkit
- * Copyright (C) sk89q <http://www.sk89q.com>
- * Copyright (C) WorldEdit team and contributors
- *
- * This program 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.
- *
- * This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
 package com.sk89q.worldedit.extent.transform;
 
-import static com.google.common.base.Preconditions.checkNotNull;
-
 import com.boydti.fawe.object.extent.ResettableExtent;
 import com.boydti.fawe.util.ReflectionUtils;
-import com.google.common.collect.Sets;
 import com.sk89q.jnbt.ByteTag;
 import com.sk89q.jnbt.CompoundTag;
 import com.sk89q.jnbt.Tag;
 import com.sk89q.worldedit.WorldEditException;
-import com.sk89q.worldedit.extent.AbstractDelegateExtent;
 import com.sk89q.worldedit.extent.Extent;
+import com.sk89q.worldedit.internal.helper.MCDirections;
 import com.sk89q.worldedit.math.BlockVector2;
 import com.sk89q.worldedit.math.BlockVector3;
 import com.sk89q.worldedit.math.Vector3;
 import com.sk89q.worldedit.math.transform.AffineTransform;
 import com.sk89q.worldedit.math.transform.Transform;
-import com.sk89q.worldedit.registry.state.BooleanProperty;
+import com.sk89q.worldedit.registry.state.AbstractProperty;
 import com.sk89q.worldedit.registry.state.DirectionalProperty;
-import com.sk89q.worldedit.registry.state.EnumProperty;
-import com.sk89q.worldedit.registry.state.IntegerProperty;
 import com.sk89q.worldedit.registry.state.Property;
+import com.sk89q.worldedit.registry.state.PropertyKey;
 import com.sk89q.worldedit.util.Direction;
 import com.sk89q.worldedit.world.biome.BiomeType;
 import com.sk89q.worldedit.world.block.BaseBlock;
 import com.sk89q.worldedit.world.block.BlockState;
 import com.sk89q.worldedit.world.block.BlockStateHolder;
-
-import java.util.List;
-import java.util.Objects;
-import java.util.Optional;
-import java.util.OptionalInt;
-import java.util.Set;
-import java.util.stream.Collectors;
+import com.sk89q.worldedit.world.block.BlockType;
+import com.sk89q.worldedit.world.block.BlockTypes;
 
 import javax.annotation.Nullable;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.List;
+import java.util.Map;
+
+import static com.sk89q.worldedit.util.Direction.*;
 
-/**
- * Transforms blocks themselves (but not their position) according to a
- * given transform.
- */
 public class BlockTransformExtent extends ResettableExtent {
-
     private Transform transform;
-
+    private Transform transformInverse;
+    private int[] BLOCK_ROTATION_BITMASK;
+    private int[][] BLOCK_TRANSFORM;
+    private int[][] BLOCK_TRANSFORM_INVERSE;
+    private int[] ALL = new int[0];
 
     public BlockTransformExtent(Extent parent) {
         this(parent, new AffineTransform());
     }
 
-    /**
-     * Create a new instance.
-     *
-     * @param extent the extent
-     */
-    public BlockTransformExtent(Extent extent, Transform transform) {
-        super(extent);
-        checkNotNull(transform);
+    public BlockTransformExtent(Extent parent, Transform transform) {
+        super(parent);
         this.transform = transform;
+        this.transformInverse = this.transform.inverse();
+        cache();
+    }
+
+
+    private long combine(Direction... directions) {
+        int mask = 0;
+        for (Direction dir : directions) {
+            mask = mask | (1 << dir.ordinal());
+        }
+        return mask;
+    }
+
+    private long[] adapt(Direction... dirs) {
+        long[] arr = new long[dirs.length];
+        for (int i = 0; i < arr.length; i++) {
+            arr[i] = 1 << dirs[i].ordinal();
+        }
+        return arr;
+    }
+
+    private long[] adapt(Long... dirs) {
+        long[] arr = new long[dirs.length];
+        for (int i = 0; i < arr.length; i++) {
+            arr[i] = dirs[i];
+        }
+        return arr;
+    }
+
+    private long[] getDirections(AbstractProperty property) {
+        if (property instanceof DirectionalProperty) {
+            DirectionalProperty directional = (DirectionalProperty) property;
+            return adapt(directional.getValues().toArray(new Direction[0]));
+        } else {
+            List values = property.getValues();
+            switch (property.getKey()) {
+                case HALF:
+                    return adapt(UP, DOWN);
+                case ROTATION: {
+                    List<Direction> directions = new ArrayList<>();
+                    for (Object value : values) {
+                        directions.add(Direction.fromRotationIndex((Integer) value).get());
+                    }
+                    return adapt(directions.toArray(new Direction[0]));
+                }
+                case AXIS:
+                    switch (property.getValues().size()) {
+                        case 3:
+                            return adapt(EAST, UP, SOUTH);
+                        case 2:
+                            return adapt(combine(EAST, WEST), combine(SOUTH, NORTH));
+                        default:
+                            System.out.println("Invalid " + property.getName() + " " + property.getValues());
+                            return null;
+                    }
+                case FACING: {
+                    List<Direction> directions = new ArrayList<>();
+                    for (Object value : values) {
+                        directions.add(Direction.valueOf(value.toString().toUpperCase()));
+                    }
+                    return adapt(directions.toArray(new Direction[0]));
+                }
+                case SHAPE:
+                    if (values.contains("straight")) {
+                        ArrayList<Long> result = new ArrayList<>();
+                        for (Object value : values) {
+                            // [straight, inner_left, inner_right, outer_left, outer_right]
+                            switch (value.toString()) {
+                                case "straight":
+                                    result.add(combine(NORTH, EAST, SOUTH, WEST));
+                                    continue;
+                                case "inner_left":
+                                    result.add(notIndex(combine(NORTHEAST, SOUTHWEST), property.getIndexFor("outer_right")));
+                                    continue;
+                                case "inner_right":
+                                    result.add(notIndex(combine(NORTHWEST, SOUTHEAST), property.getIndexFor("outer_left")));
+                                    continue;
+                                case "outer_left":
+                                    result.add(notIndex(combine(NORTHEAST, SOUTHWEST), property.getIndexFor("inner_right")));
+                                    continue;
+                                case "outer_right":
+                                    result.add(notIndex(combine(NORTHWEST, SOUTHEAST), property.getIndexFor("inner_left")));
+                                    continue;
+                                default:
+                                    System.out.println("Unknown direction " + value);
+                                    result.add(0l);
+                            }
+                        }
+                        return adapt(result.toArray(new Long[0]));
+                    } else {
+                        List<Long> directions = new ArrayList<>();
+                        for (Object value : values) {
+                            switch (value.toString()) {
+                                case "north_south":
+                                    directions.add(combine(NORTH, SOUTH));
+                                    break;
+                                case "east_west":
+                                    directions.add(combine(EAST, WEST));
+                                    break;
+                                case "ascending_east":
+                                    directions.add(combine(ASCENDING_EAST));
+                                    break;
+                                case "ascending_west":
+                                    directions.add(combine(ASCENDING_WEST));
+                                    break;
+                                case "ascending_north":
+                                    directions.add(combine(ASCENDING_NORTH));
+                                    break;
+                                case "ascending_south":
+                                    directions.add(combine(ASCENDING_SOUTH));
+                                    break;
+                                case "south_east":
+                                    directions.add(combine(SOUTHEAST));
+                                    break;
+                                case "south_west":
+                                    directions.add(combine(SOUTHWEST));
+                                    break;
+                                case "north_west":
+                                    directions.add(combine(NORTHWEST));
+                                    break;
+                                case "north_east":
+                                    directions.add(combine(NORTHEAST));
+                                    break;
+                                default:
+                                    System.out.println("Unknown direction " + value);
+                                    directions.add(0l);
+                            }
+                        }
+                        return adapt(directions.toArray(new Long[0]));
+                    }
+            }
+        }
+        return null;
+    }
+
+    private static Direction getFirst(long mask) {
+        for (Direction dir : Direction.values()) {
+            if (hasDirection(mask, dir)) {
+                return dir;
+            }
+        }
+        return null;
+    }
+
+    private static boolean hasDirection(long mask, Direction dir) {
+        return (mask & (1L << dir.ordinal())) != 0;
+    }
+
+    private static long notIndex(long mask, int index) {
+        return mask | (1L << (index + values().length));
+    }
+
+    private static boolean hasIndex(long mask, int index) {
+        return ((mask >> values().length) & (1 << index)) == 0;
+    }
+
+    @Nullable
+    private static Integer getNewStateIndex(Transform transform, long[] directions, int oldIndex) {
+        long oldDirMask = directions[oldIndex];
+        if (oldDirMask == 0) {
+            return oldIndex;
+        }
+        for (Direction oldDirection : values()) {
+            if (!hasDirection(oldDirMask, oldDirection)) continue;
+            if (oldDirection == null) {
+                System.out.println(oldDirMask);
+            }
+            Vector3 oldVector = oldDirection.toVector();
+            Vector3 newVector = transform.apply(oldVector).subtract(transform.apply(Vector3.ZERO)).normalize();
+            int newIndex = oldIndex;
+            double closest = oldVector.normalize().dot(newVector);
+            boolean found = false;
+            for (int i = 0; i < directions.length; i++) {
+                int j = (oldIndex + i) % directions.length;
+                long newDirMask = directions[j];
+                if (!hasIndex(oldDirMask, j)) continue;
+                for (Direction v : Direction.values()) {
+                    // Check if it's one of the current directions
+                    if (!hasDirection(newDirMask, v)) continue;
+                    // Check if the old mask excludes it
+                    double dot = v.toVector().normalize().dot(newVector);
+                    if (dot > closest) {
+                        closest = dot;
+                        newIndex = j;
+                        found = true;
+                    }
+                }
+            }
+            if (found) {
+                return newIndex;
+            }
+        }
+        return null;
+    }
+
+    private boolean isDirectional(Property property) {
+        if (property instanceof DirectionalProperty) {
+            return true;
+        }
+        switch (property.getKey()) {
+            case HALF:
+            case ROTATION:
+            case AXIS:
+            case FACING:
+            case SHAPE:
+            case NORTH:
+            case EAST:
+            case SOUTH:
+            case WEST:
+                return true;
+            default:
+                return false;
+        }
+    }
+
+    private void cache() {
+        BLOCK_ROTATION_BITMASK = new int[BlockTypes.size()];
+        BLOCK_TRANSFORM = new int[BlockTypes.size()][];
+        BLOCK_TRANSFORM_INVERSE = new int[BlockTypes.size()][];
+        outer:
+        for (int i = 0; i < BLOCK_TRANSFORM.length; i++) {
+            BLOCK_TRANSFORM[i] = ALL;
+            BLOCK_TRANSFORM_INVERSE[i] = ALL;
+            BlockType type = BlockTypes.get(i);
+            int bitMask = 0;
+            for (AbstractProperty property : (Collection<AbstractProperty>) (Collection) type.getProperties()) {
+                if (isDirectional(property)) {
+                    BLOCK_TRANSFORM[i] = null;
+                    BLOCK_TRANSFORM_INVERSE[i] = null;
+                    bitMask |= property.getBitMask();
+                }
+            }
+            if (bitMask != 0) {
+                BLOCK_ROTATION_BITMASK[i] = bitMask;
+            }
+        }
+    }
+
+    @Override
+    public ResettableExtent setExtent(Extent extent) {
+        return super.setExtent(extent);
     }
 
-    /**
-     * Get the transform.
-     *
-     * @return the transform
-     */
     public Transform getTransform() {
         return transform;
     }
 
-    /**
-     * Set the transform
-     * @param affine
-     */
     public void setTransform(Transform affine) {
         this.transform = affine;
+        this.transformInverse = this.transform.inverse();
+        cache();
     }
 
+    private final BlockState transform(BlockState state, int[][] transformArray, Transform transform) {
+        try {
+            int typeId = state.getInternalBlockTypeId();
+            int[] arr = transformArray[typeId];
+            if (arr == ALL) {
+                return state;
+            }
+            if (arr == null) {
+                arr = transformArray[typeId] = new int[state.getBlockType().getMaxStateId() + 1];
+                Arrays.fill(arr, -1);
+            }
+            int mask = BLOCK_ROTATION_BITMASK[typeId];
+            int internalId = state.getInternalId();
 
-    /**
-     * Transform a block without making a copy.
-     *
-     * @param block the block
-     * @param reverse true to transform in the opposite direction
-     * @return the same block
-     */
-    protected <T extends BlockStateHolder<T>> T transformBlock(T block, boolean reverse) {
-        return transform(block, reverse ? transform.inverse() : transform);
+            int maskedId = internalId & mask;
+            int newMaskedId = arr[maskedId >> BlockTypes.BIT_OFFSET];
+            if (newMaskedId != -1) {
+                return BlockState.getFromInternalId(newMaskedId | (internalId & (~mask)));
+            }
+            newMaskedId = state.getInternalId();
+
+            BlockType type = state.getBlockType();
+
+            // Rotate North, East, South, West
+            if (type.hasProperty(PropertyKey.NORTH) && type.hasProperty(PropertyKey.EAST) && type.hasProperty(PropertyKey.SOUTH) && type.hasProperty(PropertyKey.WEST)) {
+                Direction newNorth = findClosest(transform.apply(NORTH.toVector()), Flag.CARDINAL);
+                Direction newEast = findClosest(transform.apply(EAST.toVector()), Flag.CARDINAL);
+                Direction newSouth = findClosest(transform.apply(SOUTH.toVector()), Flag.CARDINAL);
+                Direction newWest = findClosest(transform.apply(WEST.toVector()), Flag.CARDINAL);
+
+                BlockState tmp = state;
+
+                Object northState = tmp.getState(PropertyKey.NORTH);
+                Object eastState = tmp.getState(PropertyKey.EAST);
+                Object southState = tmp.getState(PropertyKey.SOUTH);
+                Object westState = tmp.getState(PropertyKey.WEST);
+
+                tmp = tmp.with(PropertyKey.valueOf(newNorth.name().toUpperCase()), northState);
+                tmp = tmp.with(PropertyKey.valueOf(newEast.name().toUpperCase()), eastState);
+                tmp = tmp.with(PropertyKey.valueOf(newSouth.name().toUpperCase()), southState);
+                tmp = tmp.with(PropertyKey.valueOf(newWest.name().toUpperCase()), westState);
+
+                newMaskedId = tmp.getInternalId();
+            }
+
+            for (AbstractProperty property : (Collection<AbstractProperty>) (Collection) type.getProperties()) {
+                long[] directions = getDirections(property);
+                if (directions != null) {
+                    Integer newIndex = getNewStateIndex(transform, directions, property.getIndex(state.getInternalId()));
+                    if (newIndex != null) {
+                        newMaskedId = property.modifyIndex(newMaskedId, newIndex);
+                    }
+                }
+            }
+            arr[maskedId >> BlockTypes.BIT_OFFSET] = newMaskedId & mask;
+            return BlockState.getFromInternalId(newMaskedId);
+        } catch (Throwable e) {
+            e.printStackTrace();
+            throw e;
+        }
     }
 
-    @Override
-    public BlockState getLazyBlock(BlockVector3 position) {
-    	return transformBlock(super.getLazyBlock(position), false).toImmutableState();
+    public final BaseBlock transformInverse(BlockStateHolder block) {
+        BlockState transformed = transform(block.toImmutableState());
+        if (block.hasNbtData()) {
+            return transformFastWith(transformed, block.getNbtData(), transformInverse);
+        }
+        return transformed.toBaseBlock();
+    }
+
+    public final BlockStateHolder transform(BlockStateHolder block) {
+        BlockState transformed = transform(block.toImmutableState());
+        if (block.hasNbtData()) {
+            return transformFastWith(transformed, block.getNbtData(), transform);
+        }
+        return transformed;
+    }
+
+    public final BaseBlock transformFastWith(BlockState transformed, CompoundTag tag, Transform transform) {
+        if (tag != null) {
+            if (tag.containsKey("Rot")) {
+                int rot = tag.asInt("Rot");
+
+                Direction direction = MCDirections.fromRotation(rot);
+
+                if (direction != null) {
+                    Vector3 applyAbsolute = transform.apply(direction.toVector());
+                    Vector3 applyOrigin = transform.apply(Vector3.ZERO);
+                    applyAbsolute.mutX(applyAbsolute.getX() - applyOrigin.getX());
+                    applyAbsolute.mutY(applyAbsolute.getY() - applyOrigin.getY());
+                    applyAbsolute.mutZ(applyAbsolute.getZ() - applyOrigin.getZ());
+
+                    Direction newDirection = Direction.findClosest(applyAbsolute, Direction.Flag.CARDINAL | Direction.Flag.ORDINAL | Direction.Flag.SECONDARY_ORDINAL);
+
+                    if (newDirection != null) {
+                        Map<String, Tag> values = ReflectionUtils.getMap(tag.getValue());
+                        values.put("Rot", new ByteTag((byte) MCDirections.toRotation(newDirection)));
+                    }
+                }
+                return new BaseBlock(transformed, tag);
+            }
+        }
+        return transformed.toBaseBlock();
+    }
+
+    public final BlockState transformInverse(BlockState block) {
+        return transform(block, BLOCK_TRANSFORM, transformInverse);
+    }
+
+    public final BlockState transform(BlockState block) {
+        return transform(block, BLOCK_TRANSFORM_INVERSE, transform);
     }
 
     @Override
     public BlockState getLazyBlock(int x, int y, int z) {
-        return transformBlock(super.getLazyBlock(x, y, z), false).toImmutableState();
-    }
-
-    @Override
-    public BlockState getBlock(BlockVector3 position) {
-        return transformBlock(super.getBlock(position), false);
+        return transformInverse(super.getLazyBlock(x, y, z));
     }
 
     @Override
     public BaseBlock getFullBlock(BlockVector3 position) {
-        return transformBlock(super.getFullBlock(position), false);
+        return transformInverse(super.getFullBlock(position));
     }
 
     @Override
-    public <B extends BlockStateHolder<B>> boolean setBlock(int x, int y, int z, B block) throws WorldEditException {
-        return super.setBlock(x, y, z, transformBlock(block, true));
+    public BlockState getLazyBlock(BlockVector3 position) {
+        return transformInverse(super.getLazyBlock(position));
     }
 
     @Override
-    public <B extends BlockStateHolder<B>> boolean setBlock(BlockVector3 location, B block) throws WorldEditException {
-        return super.setBlock(location, transformBlock(block, true));
+    public BlockState getBlock(BlockVector3 position) {
+        return transformInverse(super.getBlock(position));
     }
 
-    private static final Set<String> directionNames = Sets.newHashSet("north", "south", "east", "west");
-
-    /**
-     * Transform the given block using the given transform.
-     *
-     * <p>The provided block is <em>not</em> modified.</p>
-     *
-     * @param block the block
-     * @param transform the transform
-     * @return the same block
-     */
-    public static <B extends BlockStateHolder<B>> B transform(B block, Transform transform) {
-        checkNotNull(block);
-        checkNotNull(transform);
-
-        B result = block;
-        List<? extends Property<?>> properties = block.getBlockType().getProperties();
-
-        for (Property<?> property : properties) {
-            if (property instanceof DirectionalProperty) {
-                DirectionalProperty dirProp = (DirectionalProperty) property;
-                Direction value = (Direction) block.getState(property);
-                if (value != null) {
-                    Vector3 newValue = getNewStateValue(dirProp.getValues(), transform, value.toVector());
-                    if (newValue != null) {
-                        result = result.with(dirProp, Direction.findClosest(newValue, Direction.Flag.ALL));
-                    }
-                }
-            } else if (property instanceof EnumProperty) {
-                EnumProperty enumProp = (EnumProperty) property;
-                if (property.getName().equals("axis")) {
-                    // We have an axis - this is something we can do the rotations to :sunglasses:
-                    Direction value = null;
-                    switch ((String) block.getState(property)) {
-                        case "x":
-                            value = Direction.EAST;
-                            break;
-                        case "y":
-                            value = Direction.UP;
-                            break;
-                        case "z":
-                            value = Direction.NORTH;
-                            break;
-                    }
-                    if (value != null) {
-                        Vector3 newValue = getNewStateValue(Direction.valuesOf(Direction.Flag.UPRIGHT | Direction.Flag.CARDINAL), transform, value.toVector());
-                        if (newValue != null) {
-                            String axis = null;
-                            Direction newDir = Direction.findClosest(newValue, Direction.Flag.UPRIGHT | Direction.Flag.CARDINAL);
-                            if (newDir == Direction.NORTH || newDir == Direction.SOUTH) {
-                                axis = "z";
-                            } else if (newDir == Direction.EAST || newDir == Direction.WEST) {
-                                axis = "x";
-                            } else if (newDir == Direction.UP || newDir == Direction.DOWN) {
-                                axis = "y";
-                            }
-                            if (axis != null) {
-                                result = result.with(enumProp, axis);
-                            }
-                        }
-                    }
-                }
-            } else if (property instanceof IntegerProperty) {
-                IntegerProperty intProp = (IntegerProperty) property;
-                if (property.getName().equals("rotation")) {
-                    if (intProp.getValues().size() == 16) {
-                        Optional<Direction> direction = Direction.fromRotationIndex(block.getState(intProp));
-                        int horizontalFlags = Direction.Flag.CARDINAL | Direction.Flag.ORDINAL | Direction.Flag.SECONDARY_ORDINAL;
-                        if (direction.isPresent()) {
-                            Vector3 vec = getNewStateValue(Direction.valuesOf(horizontalFlags), transform, direction.get().toVector());
-                            if (vec != null) {
-                                OptionalInt newRotation = Direction.findClosest(vec, horizontalFlags).toRotationIndex();
-                                if (newRotation.isPresent()) {
-                                    result = result.with(intProp, newRotation.getAsInt());
-                                }
-                            }
-                        }
-                    }
-                }
-            }
-        }
-
-        List<String> directionalProperties = properties.stream()
-                .filter(prop -> prop instanceof BooleanProperty)
-                .filter(prop -> directionNames.contains(prop.getName()))
-                .filter(property -> (Boolean) block.getState(property))
-                .map(Property::getName)
-                .map(String::toUpperCase)
-                .map(Direction::valueOf)
-                .map(dir -> Direction.findClosest(transform.apply(dir.toVector()), Direction.Flag.CARDINAL))
-                .filter(Objects::nonNull)
-                .map(Direction::name)
-                .map(String::toLowerCase)
-                .collect(Collectors.toList());
-
-        if (directionalProperties.size() > 0) {
-            for (String directionName : directionNames) {
-                result = result.with(block.getBlockType().getProperty(directionName), directionalProperties.contains(directionName));
-            }
-        }
-
-        return result;
+    @Override
+    public BiomeType getBiome(BlockVector2 position) {
+        return super.getBiome(position);
     }
 
-    /**
-     * Get the new value with the transformed direction.
-     *
-     * @param allowedStates the allowed states
-     * @param transform the transform
-     * @param oldDirection the old direction to transform
-     * @return a new state or null if none could be found
-     */
-    @Nullable
-    private static Vector3 getNewStateValue(List<Direction> allowedStates, Transform transform, Vector3 oldDirection) {
-        Vector3 newDirection = transform.apply(oldDirection).subtract(transform.apply(Vector3.ZERO)).normalize();
-        Vector3 newValue = null;
-        double closest = -2;
-        boolean found = false;
-
-        for (Direction v : allowedStates) {
-            double dot = v.toVector().normalize().dot(newDirection);
-            if (dot >= closest) {
-                closest = dot;
-                newValue = v.toVector();
-                found = true;
-            }
-        }
-
-        if (found) {
-            return newValue;
-        } else {
-            return null;
-        }
+    @Override
+    public boolean setBlock(int x, int y, int z, BlockStateHolder block) throws WorldEditException {
+        return super.setBlock(x, y, z, transform(block));
     }
 
+
+    @Override
+    public boolean setBlock(BlockVector3 location, BlockStateHolder block) throws WorldEditException {
+        return super.setBlock(location, transform(block));
+    }
+
+
 }

worldedit-core/src/main/java/com/sk89q/worldedit/extent/transform/BlockTransformExtent2.java

@@ -1,322 +0,0 @@
-package com.sk89q.worldedit.extent.transform;
-
-import com.boydti.fawe.object.extent.ResettableExtent;
-import com.boydti.fawe.util.ReflectionUtils;
-import com.boydti.fawe.util.StringMan;
-import com.sk89q.jnbt.ByteTag;
-import com.sk89q.jnbt.CompoundTag;
-import com.sk89q.jnbt.Tag;
-import com.sk89q.worldedit.WorldEditException;
-import com.sk89q.worldedit.extent.Extent;
-import com.sk89q.worldedit.internal.helper.MCDirections;
-import com.sk89q.worldedit.math.BlockVector2;
-import com.sk89q.worldedit.math.BlockVector3;
-import com.sk89q.worldedit.math.Vector3;
-import com.sk89q.worldedit.math.transform.AffineTransform;
-import com.sk89q.worldedit.math.transform.Transform;
-import com.sk89q.worldedit.registry.state.AbstractProperty;
-import com.sk89q.worldedit.registry.state.DirectionalProperty;
-import com.sk89q.worldedit.registry.state.Property;
-import com.sk89q.worldedit.util.Direction;
-import com.sk89q.worldedit.world.biome.BiomeType;
-import com.sk89q.worldedit.world.block.BaseBlock;
-import com.sk89q.worldedit.world.block.BlockState;
-import com.sk89q.worldedit.world.block.BlockStateHolder;
-import com.sk89q.worldedit.world.block.BlockType;
-import com.sk89q.worldedit.world.block.BlockTypes;
-
-import javax.annotation.Nullable;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Collection;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
-import java.util.Vector;
-
-public class BlockTransformExtent2 extends ResettableExtent {
-    private Transform transform;
-    private Transform transformInverse;
-    private int[] BLOCK_ROTATION_BITMASK;
-    private int[][] BLOCK_TRANSFORM;
-    private int[][] BLOCK_TRANSFORM_INVERSE;
-    private int[] ALL = new int[0];
-
-    public BlockTransformExtent2(Extent parent) {
-        this(parent, new AffineTransform());
-    }
-
-    public BlockTransformExtent2(Extent parent, Transform transform) {
-        super(parent);
-        this.transform = transform;
-        this.transformInverse = this.transform.inverse();
-        cache();
-    }
-
-
-    private int combine(Direction... directions) {
-        int mask = 0;
-        for (Direction dir : directions) {
-            mask = mask & (1 << dir.ordinal());
-        }
-        return mask;
-    }
-
-    private int[] adapt(Direction... dirs) {
-        int[] arr = new int[dirs.length];
-        for (int i = 0; i < arr.length; i++) {
-            arr[i] = 1 << dirs[i].ordinal();
-        }
-        return arr;
-    }
-
-    private int[] adapt(int... dirs) {
-        int[] arr = new int[dirs.length];
-        for (int i = 0; i < arr.length; i++) {
-            arr[i] = dirs[i];
-        }
-        return arr;
-    }
-
-    private int[] getDirections(AbstractProperty property) {
-        if (property instanceof DirectionalProperty) {
-            DirectionalProperty directional = (DirectionalProperty) property;
-            directional.getValues();
-        } else {
-            List values = property.getValues();
-            switch (property.getKey()) {
-                case HALF:
-                    return adapt(Direction.UP, Direction.DOWN);
-                case ROTATION: {
-                    List<Direction> directions = new ArrayList<>();
-                    for (Object value : values) {
-                        directions.add(Direction.fromRotationIndex((Integer) value).get());
-                    }
-                    return adapt(directions.toArray(new Direction[0]));
-                }
-                case AXIS:
-                    switch (property.getValues().size()) {
-                        case 3:
-                            return adapt(Direction.EAST, Direction.UP, Direction.SOUTH);
-                        case 2:
-                            return adapt(combine(Direction.EAST, Direction.WEST), combine(Direction.SOUTH, Direction.NORTH));
-                        default:
-                            System.out.println("Invalid " + property.getName() + " " + property.getValues());
-                            return null;
-                    }
-                case FACING: {
-                    List<Direction> directions = new ArrayList<>();
-                    for (Object value : values) {
-                        directions.add(Direction.valueOf(value.toString().toUpperCase()));
-                    }
-                    return adapt(directions.toArray(new Direction[0]));
-                }
-                case SHAPE:
-
-
-                case NORTH:
-                case EAST:
-                case SOUTH:
-                case WEST:
-            }
-        }
-        return null;
-    }
-
-    @Nullable
-    private static Integer getNewStateIndex(Transform transform, List<Direction> directions, int oldIndex) {
-        Direction oldDirection = directions.get(oldIndex);
-        Vector3 oldVector = oldDirection.toVector();
-        Vector3 newVector = transform.apply(oldVector).subtract(transform.apply(Vector3.ZERO)).normalize();
-        int newIndex = oldIndex;
-        double closest = oldVector.normalize().dot(newVector);
-        boolean found = false;
-        for (int i = 0; i < directions.size(); i++) {
-            Direction v = directions.get(i);
-            double dot = v.toVector().normalize().dot(newVector);
-            if (dot > closest) {
-                closest = dot;
-                newIndex = i;
-                found = true;
-            }
-        }
-
-        if (found) {
-            return newIndex;
-        } else {
-            return null;
-        }
-    }
-
-    private boolean isDirectional(Property property) {
-        if (property instanceof DirectionalProperty) {
-            return true;
-        }
-        switch (property.getKey()) {
-            case HALF:
-            case ROTATION:
-            case AXIS:
-            case FACING:
-            case SHAPE:
-            case NORTH:
-            case EAST:
-            case SOUTH:
-            case WEST:
-                return true;
-            default:
-                return false;
-        }
-    }
-
-    private void cache() {
-        BLOCK_ROTATION_BITMASK = new int[BlockTypes.size()];
-        BLOCK_TRANSFORM = new int[BlockTypes.size()][];
-        BLOCK_TRANSFORM_INVERSE = new int[BlockTypes.size()][];
-        outer:
-        for (int i = 0; i < BLOCK_TRANSFORM.length; i++) {
-            BLOCK_TRANSFORM[i] = ALL;
-            BLOCK_TRANSFORM_INVERSE[i] = ALL;
-            BlockType type = BlockTypes.get(i);
-            int bitMask = 0;
-            for (AbstractProperty property : (Collection<AbstractProperty>) (Collection) type.getProperties()) {
-                if (isDirectional(property)) {
-                    BLOCK_TRANSFORM[i] = null;
-                    BLOCK_TRANSFORM_INVERSE[i] = null;
-                    bitMask |= property.getBitMask();
-                }
-            }
-            if (bitMask != 0) {
-                BLOCK_ROTATION_BITMASK[i] = bitMask;
-            }
-        }
-    }
-
-    @Override
-    public ResettableExtent setExtent(Extent extent) {
-        return super.setExtent(extent);
-    }
-
-    public Transform getTransform() {
-        return transform;
-    }
-
-    public void setTransform(Transform affine) {
-        this.transform = affine;
-        this.transformInverse = this.transform.inverse();
-        cache();
-    }
-
-    private final BlockState transform(BlockState state, int[][] transformArray, Transform transform) {
-        int typeId = state.getInternalBlockTypeId();
-        int[] arr = transformArray[typeId];
-        if (arr == ALL) return state;
-        if (arr == null) {
-            arr = transformArray[typeId] = new int[state.getBlockType().getMaxStateId() + 1];
-            Arrays.fill(arr, -1);
-        }
-        int mask = BLOCK_ROTATION_BITMASK[typeId];
-        int internalId = state.getInternalId();
-
-        int maskedId = internalId & mask;
-        int newMaskedId = arr[maskedId];
-        if (newMaskedId != -1) {
-            return BlockState.getFromInternalId(newMaskedId | (internalId & (~mask)));
-        }
-        newMaskedId = state.getInternalId();
-
-        BlockType type = state.getBlockType();
-        for (AbstractProperty property : (Collection<AbstractProperty>) (Collection) type.getProperties()) {
-            if (isDirectional(property)) {
-                List<Direction> directions = getDirections(property);
-                if (directions != null) {
-                    Integer newIndex = getNewStateIndex(transform, directions, property.getIndex(state.getInternalId()));
-                    if (newIndex != null) {
-                        newMaskedId = property.modifyIndex(newMaskedId, newIndex);
-                    }
-                }
-            }
-        }
-        arr[maskedId] = newMaskedId & mask;
-        return BlockState.getFromInternalId(newMaskedId);
-    }
-
-    public final BaseBlock transformFast(BaseBlock block) {
-        BlockState transformed = transformFast(block.toImmutableState());
-        return transformFastWith(transformed, block.getNbtData(), transform);
-    }
-
-    public final BaseBlock transformInverse(BaseBlock block) {
-        BlockState transformed = transformFastInverse(block.toImmutableState());
-        return transformFastWith(transformed, block.getNbtData(), transformInverse);
-    }
-
-    public final BaseBlock transformFastWith(BlockState transformed, CompoundTag tag, Transform transform) {
-        if (tag != null) {
-            if (tag.containsKey("Rot")) {
-                int rot = tag.asInt("Rot");
-
-                Direction direction = MCDirections.fromRotation(rot);
-
-                if (direction != null) {
-                    Vector3 applyAbsolute = transform.apply(direction.toVector());
-                    Vector3 applyOrigin = transform.apply(Vector3.ZERO);
-                    applyAbsolute.mutX(applyAbsolute.getX() - applyOrigin.getX());
-                    applyAbsolute.mutY(applyAbsolute.getY() - applyOrigin.getY());
-                    applyAbsolute.mutZ(applyAbsolute.getZ() - applyOrigin.getZ());
-
-                    Direction newDirection = Direction.findClosest(applyAbsolute, Direction.Flag.CARDINAL | Direction.Flag.ORDINAL | Direction.Flag.SECONDARY_ORDINAL);
-
-                    if (newDirection != null) {
-                        Map<String, Tag> values = ReflectionUtils.getMap(tag.getValue());
-                        values.put("Rot", new ByteTag((byte) MCDirections.toRotation(newDirection)));
-                    }
-                }
-                return new BaseBlock(transformed, tag);
-            }
-        }
-        return transformed.toBaseBlock();
-    }
-
-    public final BlockState transformFast(BlockState block) {
-        return transform(block, BLOCK_TRANSFORM, transform);
-    }
-
-    public final BlockState transformFastInverse(BlockState block) {
-        return transform(block, BLOCK_TRANSFORM_INVERSE, transformInverse);
-    }
-
-    @Override
-    public BlockState getLazyBlock(int x, int y, int z) {
-        return transformFast(super.getLazyBlock(x, y, z));
-    }
-
-    @Override
-    public BlockState getLazyBlock(BlockVector3 position) {
-        return transformFast(super.getLazyBlock(position));
-    }
-
-    @Override
-    public BlockState getBlock(BlockVector3 position) {
-        return transformFast(super.getBlock(position));
-    }
-
-    @Override
-    public BiomeType getBiome(BlockVector2 position) {
-        return super.getBiome(position);
-    }
-
-    @Override
-    public boolean setBlock(int x, int y, int z, BlockStateHolder block) throws WorldEditException {
-        return super.setBlock(x, y, z, transformFastInverse((BlockState) block));
-    }
-
-
-    @Override
-    public boolean setBlock(BlockVector3 location, BlockStateHolder block) throws WorldEditException {
-        return super.setBlock(location, transformFastInverse((BlockState) block));
-    }
-
-
-}

worldedit-core/src/main/java/com/sk89q/worldedit/function/visitor/RegionVisitor.java

@@ -164,6 +164,7 @@ public class RegionVisitor implements Operation {
             } catch (FaweException e) {
                 throw new RuntimeException(e);
             } catch (Throwable ignore) {
+                ignore.printStackTrace();
             }
             try {
                 while (true) {

worldedit-core/src/main/java/com/sk89q/worldedit/session/PasteBuilder.java

@@ -27,7 +27,6 @@ import com.sk89q.worldedit.extent.Extent;
 import com.sk89q.worldedit.extent.clipboard.BlockArrayClipboard;
 import com.sk89q.worldedit.extent.clipboard.Clipboard;
 import com.sk89q.worldedit.extent.transform.BlockTransformExtent;
-import com.sk89q.worldedit.extent.transform.BlockTransformExtent2;
 import com.sk89q.worldedit.function.RegionFunction;
 import com.sk89q.worldedit.function.mask.ExistingBlockMask;
 import com.sk89q.worldedit.function.mask.Mask;
@@ -112,7 +111,7 @@ public class PasteBuilder {
     public Operation build() {
         Extent extent = clipboard;
         if (!transform.isIdentity()) {
-            extent = new BlockTransformExtent2(extent, transform);
+            extent = new BlockTransformExtent(extent, transform);
         }
         ForwardExtentCopy copy = new ForwardExtentCopy(extent, clipboard.getRegion(), clipboard.getOrigin(), targetExtent, to);
         copy.setTransform(transform);

worldedit-core/src/main/java/com/sk89q/worldedit/util/Direction.java

@@ -55,7 +55,13 @@ public enum Direction {
     EAST_NORTHEAST(Vector3.at(Math.cos(Math.PI / 8), 0, -Math.sin(Math.PI / 8)), Flag.SECONDARY_ORDINAL, 7, 8),
     EAST_SOUTHEAST(Vector3.at(Math.cos(Math.PI / 8), 0, Math.sin(Math.PI / 8)), Flag.SECONDARY_ORDINAL, 6, 9),
     SOUTH_SOUTHEAST(Vector3.at(Math.sin(Math.PI / 8), 0, Math.cos(Math.PI / 8)), Flag.SECONDARY_ORDINAL, 6, 9),
-    SOUTH_SOUTHWEST(Vector3.at(-Math.sin(Math.PI / 8), 0, Math.cos(Math.PI / 8)), Flag.SECONDARY_ORDINAL, 8, 7);
+    SOUTH_SOUTHWEST(Vector3.at(-Math.sin(Math.PI / 8), 0, Math.cos(Math.PI / 8)), Flag.SECONDARY_ORDINAL, 8, 7),
+
+    ASCENDING_NORTH(Vector3.at(0, 1, -1), Flag.ASCENDING_CARDINAL, 3 + 18, 1 + 18),
+    ASCENDING_EAST(Vector3.at(1, 1, 0), Flag.ASCENDING_CARDINAL, 0 + 18, 2 + 18),
+    ASCENDING_SOUTH(Vector3.at(0, 1, 1), Flag.ASCENDING_CARDINAL, 1 + 18, 3 + 18),
+    ASCENDING_WEST(Vector3.at(-1, 1, 0), Flag.ASCENDING_CARDINAL, 2 + 18, 0 + 18),
+    ;
 
     private final Vector3 direction;
     private final BlockVector3 blockVector;
@@ -317,8 +323,9 @@ public enum Direction {
         public static int ORDINAL = 0x2;
         public static int SECONDARY_ORDINAL = 0x4;
         public static int UPRIGHT = 0x8;
+        public static int ASCENDING_CARDINAL = 0xF;
 
-        public static int ALL = CARDINAL | ORDINAL | SECONDARY_ORDINAL | UPRIGHT;
+        public static int ALL = CARDINAL | ORDINAL | SECONDARY_ORDINAL | UPRIGHT | ASCENDING_CARDINAL;
 
         private Flag() {
         }

worldedit-core/src/main/java/com/sk89q/worldedit/world/block/BaseBlock.java

@@ -47,7 +47,7 @@ import java.util.Objects;
  * snapshot of blocks correctly, so, for example, the NBT data for a block
  * may be missing.</p>
  */
-public class BaseBlock implements BlockStateHolder<BaseBlock>, TileEntityBlock {
+public class BaseBlock implements BlockStateHolder<BaseBlock> {
     private final BlockState blockState;
 
     @Nullable

worldedit-core/src/main/java/com/sk89q/worldedit/world/block/BlockStateHolder.java

@@ -19,16 +19,18 @@
 
 package com.sk89q.worldedit.world.block;
 
+import com.sk89q.worldedit.blocks.TileEntityBlock;
 import com.sk89q.worldedit.function.pattern.FawePattern;
 import com.sk89q.jnbt.CompoundTag;
 import com.sk89q.worldedit.registry.state.Property;
 import com.sk89q.worldedit.registry.state.PropertyKey;
 import com.sk89q.worldedit.world.registry.BlockMaterial;
 
+import javax.annotation.Nullable;
 import java.util.Map;
 import java.util.stream.Collectors;
 
-public interface BlockStateHolder<B extends BlockStateHolder<B>> extends FawePattern {
+public interface BlockStateHolder<B extends BlockStateHolder<B>> extends FawePattern, TileEntityBlock {
 
     /**
      * Get the block type
@@ -141,6 +143,51 @@ public interface BlockStateHolder<B extends BlockStateHolder<B>> extends FawePat
      */
     BaseBlock toBaseBlock(CompoundTag compoundTag);
 
+    /**
+     * Return the name of the title entity ID.
+     *
+     * @return tile entity ID, non-null string
+     */
+    default String getNbtId() {
+        return "";
+    }
+
+    /**
+     * Returns whether the block contains NBT data. {@link #getNbtData()}
+     * must not return null if this method returns true.
+     *
+     * @return true if there is NBT data
+     */
+    default boolean hasNbtData() {
+        return false;
+    }
+
+    /**
+     * Get the object's NBT data (tile entity data). The returned tag, if
+     * modified in any way, should be sent to {@link #setNbtData(CompoundTag)}
+     * so that the instance knows of the changes. Making changes without
+     * calling {@link #setNbtData(CompoundTag)} could have unintended
+     * consequences.
+     *
+     * <p>{@link #hasNbtData()} must return true if and only if method does
+     * not return null.</p>
+     *
+     * @return compound tag, or null
+     */
+    @Nullable
+    default CompoundTag getNbtData() {
+        return null;
+    }
+
+    /**
+     * Set the object's NBT data (tile entity data).
+     *
+     * @param nbtData NBT data, or null if no data
+     */
+    default void setNbtData(@Nullable CompoundTag nbtData) {
+        throw new UnsupportedOperationException("State is immutable");
+    }
+
     default String getAsString() {
         if (getStates().isEmpty()) {
             return this.getBlockType().getId();