fix: add chunk loc to tile entity location when trimming (#2500)

- fixes #2499

worldedit-core/src/main/java/com/fastasyncworldedit/core/extent/HeightBoundExtent.java

@@ -6,12 +6,11 @@ import com.fastasyncworldedit.core.queue.IChunkGet;
 import com.fastasyncworldedit.core.queue.IChunkSet;
 import com.fastasyncworldedit.core.regions.RegionWrapper;
 import com.sk89q.worldedit.extent.Extent;
+import com.sk89q.worldedit.math.BlockVector3;
 import com.sk89q.worldedit.regions.Region;
 
 import java.util.Collection;
 import java.util.Collections;
-import java.util.concurrent.CompletableFuture;
-import java.util.concurrent.Future;
 
 public class HeightBoundExtent extends FaweRegionExtent {
 
@@ -50,7 +49,8 @@ public class HeightBoundExtent extends FaweRegionExtent {
 
     @Override
     public IChunkSet processSet(IChunk chunk, IChunkGet get, IChunkSet set) {
-        if (trimY(set, min, max, true) | trimNBT(set, this::contains)) {
+        BlockVector3 chunkPos = chunk.getChunkBlockCoord().withY(0);
+        if (trimY(set, min, max, true) | trimNBT(set, this::contains, pos -> this.contains(pos.add(chunkPos)))) {
             return set;
         }
         return null;

worldedit-core/src/main/java/com/fastasyncworldedit/core/queue/IBatchProcessor.java

@@ -155,7 +155,9 @@ public interface IBatchProcessor {
      * Utility method to trim entity and blocks with a provided contains function.
      *
      * @return false if chunk is empty of NBT
+     * @deprecated tiles are stored in chunk-normalised coordinate space and thus cannot use the same function as entities
      */
+    @Deprecated(forRemoval = true, since = "TODO")
     default boolean trimNBT(IChunkSet set, Function<BlockVector3, Boolean> contains) {
         Set<CompoundTag> ents = set.getEntities();
         if (!ents.isEmpty()) {
@@ -169,6 +171,26 @@ public interface IBatchProcessor {
         return !tiles.isEmpty() || !ents.isEmpty();
     }
 
+    /**
+     * Utility method to trim entity and blocks with a provided contains function.
+     *
+     * @return false if chunk is empty of NBT
+     * @since TODO
+     */
+    default boolean trimNBT(
+            IChunkSet set, Function<BlockVector3, Boolean> containsEntity, Function<BlockVector3, Boolean> containsTile
+    ) {
+        Set<CompoundTag> ents = set.getEntities();
+        if (!ents.isEmpty()) {
+            ents.removeIf(ent -> !containsEntity.apply(ent.getEntityPosition().toBlockPoint()));
+        }
+        Map<BlockVector3, CompoundTag> tiles = set.getTiles();
+        if (!tiles.isEmpty()) {
+            tiles.entrySet().removeIf(blockVector3CompoundTagEntry -> !containsTile.apply(blockVector3CompoundTagEntry.getKey()));
+        }
+        return !tiles.isEmpty() || !ents.isEmpty();
+    }
+
     /**
      * Join two processors and return the result.
      */

worldedit-core/src/main/java/com/fastasyncworldedit/core/queue/IChunk.java

@@ -1,6 +1,7 @@
 package com.fastasyncworldedit.core.queue;
 
 import com.fastasyncworldedit.core.extent.filter.block.ChunkFilterBlock;
+import com.sk89q.worldedit.math.BlockVector3;
 import com.sk89q.worldedit.regions.Region;
 
 import javax.annotation.Nullable;
@@ -33,6 +34,16 @@ public interface IChunk extends Trimable, IChunkGet, IChunkSet {
      */
     int getZ();
 
+    /**
+     * Return the minimum block coordinate of the chunk
+     *
+     * @return BlockVector3 of minimum block coordinate
+     * @since TODO
+     */
+    default BlockVector3 getChunkBlockCoord() {
+        return BlockVector3.at(getX() << 4, getMinY(), getZ() << 4);
+    }
+
     /**
      * If the chunk is a delegate, returns its parent's root
      *

worldedit-core/src/main/java/com/sk89q/worldedit/regions/CuboidRegion.java

@@ -22,7 +22,6 @@ package com.sk89q.worldedit.regions;
 import com.fastasyncworldedit.core.configuration.Settings;
 import com.fastasyncworldedit.core.extent.filter.block.ChunkFilterBlock;
 import com.fastasyncworldedit.core.math.BlockVectorSet;
-import com.fastasyncworldedit.core.math.MutableBlockVector2;
 import com.fastasyncworldedit.core.math.MutableBlockVector3;
 import com.fastasyncworldedit.core.queue.Filter;
 import com.fastasyncworldedit.core.queue.IChunk;
@@ -805,7 +804,8 @@ public class CuboidRegion extends AbstractRegion implements FlatRegion {
                 return set;
             }
             trimY(set, minY, maxY, true);
-            trimNBT(set, this::contains);
+            BlockVector3 chunkPos = chunk.getChunkBlockCoord().withY(0);
+            trimNBT(set, this::contains, pos -> this.contains(pos.add(chunkPos)));
             return set;
         }
         if (tx >= minX && bx <= maxX && tz >= minZ && bz <= maxZ) {
@@ -868,8 +868,8 @@ public class CuboidRegion extends AbstractRegion implements FlatRegion {
                 }
                 set.setBlocks(layer, arr);
             }
-
+            final BlockVector3 chunkPos = BlockVector3.at(chunk.getX() << 4, 0, chunk.getZ() << 4);
-            trimNBT(set, this::contains);
+            trimNBT(set, this::contains, pos -> this.contains(pos.add(chunkPos)));
             return set;
         }
         return null;
@@ -893,7 +893,8 @@ public class CuboidRegion extends AbstractRegion implements FlatRegion {
                 return null;
             }
             trimY(set, minY, maxY, false);
-            trimNBT(set, this::contains);
+            BlockVector3 chunkPos = chunk.getChunkBlockCoord().withY(0);
+            trimNBT(set, this::contains, pos -> this.contains(pos.add(chunkPos)));
             return set;
         }
         if (tx >= minX && bx <= maxX && tz >= minZ && bz <= maxZ) {
@@ -943,7 +944,8 @@ public class CuboidRegion extends AbstractRegion implements FlatRegion {
                 }
                 set.setBlocks(layer, arr);
             }
-            trimNBT(set, bv3 -> !this.contains(bv3));
+            BlockVector3 chunkPos = chunk.getChunkBlockCoord().withY(0);
+            trimNBT(set, bv3 -> !this.contains(bv3), bv3 -> !this.contains(bv3.add(chunkPos)));
             return set;
         }
         return set;

worldedit-core/src/main/java/com/sk89q/worldedit/regions/Region.java

@@ -425,7 +425,8 @@ public interface Region extends Iterable<BlockVector3>, Cloneable, IBatchProcess
                 }
             }
             if (processExtra) {
-                trimNBT(set, this::contains);
+                BlockVector3 chunkPos = chunk.getChunkBlockCoord().withY(0);
+                trimNBT(set, this::contains, pos -> this.contains(pos.add(chunkPos)));
             }
             return set;
         } else {
@@ -477,7 +478,8 @@ public interface Region extends Iterable<BlockVector3>, Cloneable, IBatchProcess
                 }
             }
             if (processExtra) {
-                trimNBT(set, bv3 -> !this.contains(bv3));
+                BlockVector3 chunkPos = chunk.getChunkBlockCoord().withY(0);
+                trimNBT(set, bv3 -> !this.contains(bv3), bv3 -> !this.contains(bv3.add(chunkPos)));
             }
             return set;
         } else {