Add changes to 1.20.4 adapters

worldedit-bukkit/adapters/adapter-1_20_4/src/main/java/com/sk89q/worldedit/bukkit/adapter/impl/fawe/v1_20_R3/PaperweightGetBlocks.java

@@ -19,6 +19,7 @@ import com.sk89q.jnbt.ListTag;
 import com.sk89q.jnbt.StringTag;
 import com.sk89q.jnbt.Tag;
 import com.sk89q.worldedit.bukkit.BukkitAdapter;
+import com.sk89q.worldedit.bukkit.BukkitEntity;
 import com.sk89q.worldedit.bukkit.WorldEditPlugin;
 import com.sk89q.worldedit.bukkit.adapter.impl.fawe.v1_20_R3.nbt.PaperweightLazyCompoundTag;
 import com.sk89q.worldedit.internal.Constants;
@@ -116,11 +117,13 @@ public class PaperweightGetBlocks extends CharGetBlocks implements BukkitGetBloc
         this.biomeHolderIdMap = biomeRegistry.asHolderIdMap();
     }
 
-    public int getChunkX() {
+    @Override
+    public int getX() {
         return chunkX;
     }
 
-    public int getChunkZ() {
+    @Override
+    public int getZ() {
         return chunkZ;
     }
 
@@ -382,6 +385,51 @@ public class PaperweightGetBlocks extends CharGetBlocks implements BukkitGetBloc
         };
     }
 
+    @Override
+    public Set<com.sk89q.worldedit.entity.Entity> getFullEntities() {
+        List<Entity> entities = PaperweightPlatformAdapter.getEntities(ensureLoaded(serverLevel, chunkX, chunkZ));
+        if (entities.isEmpty()) {
+            return Collections.emptySet();
+        }
+        int size = entities.size();
+        return new AbstractSet<>() {
+            @Override
+            public int size() {
+                return size;
+            }
+
+            @Override
+            public boolean isEmpty() {
+                return false;
+            }
+
+            @Override
+            public boolean contains(Object get) {
+                if (!(get instanceof com.sk89q.worldedit.entity.Entity e)) {
+                    return false;
+                }
+                UUID getUUID = e.getState().getNbtData().getUUID();
+                for (Entity entity : entities) {
+                    UUID uuid = entity.getUUID();
+                    if (uuid.equals(getUUID)) {
+                        return true;
+                    }
+                }
+                return false;
+            }
+
+            @Nonnull
+            @Override
+            public Iterator<com.sk89q.worldedit.entity.Entity> iterator() {
+                Iterable<com.sk89q.worldedit.entity.Entity> result = entities
+                        .stream()
+                        .map(input -> new BukkitEntity(input.getBukkitEntity()))
+                        .collect(Collectors.toList());
+                return result.iterator();
+            }
+        };
+    }
+
     private void removeEntity(Entity entity) {
         entity.discard();
     }

worldedit-bukkit/adapters/adapter-1_20_4/src/main/java/com/sk89q/worldedit/bukkit/adapter/impl/fawe/v1_20_R3/PaperweightGetBlocks_Copy.java

@@ -43,6 +43,8 @@ public class PaperweightGetBlocks_Copy implements IChunkGet {
     private final char[][] blocks;
     private final int minHeight;
     private final int maxHeight;
+    private final int chunkX;
+    private final int chunkZ;
     final ServerLevel serverLevel;
     final LevelChunk levelChunk;
     private PalettedContainer<Holder<Biome>>[] biomes = null;
@@ -53,6 +55,8 @@ public class PaperweightGetBlocks_Copy implements IChunkGet {
         this.minHeight = serverLevel.getMinBuildHeight();
         this.maxHeight = serverLevel.getMaxBuildHeight() - 1; // Minecraft max limit is exclusive.
         this.blocks = new char[getSectionCount()][];
+        this.chunkX = levelChunk.locX;
+        this.chunkZ = levelChunk.locZ;
     }
 
     protected void storeTile(BlockEntity blockEntity) {
@@ -90,6 +94,11 @@ public class PaperweightGetBlocks_Copy implements IChunkGet {
         return this.entities;
     }
 
+    @Override
+    public Set<com.sk89q.worldedit.entity.Entity> getFullEntities() {
+        throw new UnsupportedOperationException("Cannot get full entities from GET copy.");
+    }
+
     @Override
     public CompoundTag getEntity(UUID uuid) {
         for (CompoundTag tag : entities) {
@@ -142,6 +151,16 @@ public class PaperweightGetBlocks_Copy implements IChunkGet {
         return minHeight >> 4;
     }
 
+    @Override
+    public int getX() {
+        return chunkX;
+    }
+
+    @Override
+    public int getZ() {
+        return chunkZ;
+    }
+
     @Override
     public BiomeType getBiomeType(int x, int y, int z) {
         Holder<Biome> biome = biomes[(y >> 4) - getMinSectionPosition()].get(x >> 2, (y & 15) >> 2, z >> 2);