actually delegate in AbstractDelegateExtent

fixes #843

worldedit-core/src/main/java/com/sk89q/worldedit/extent/AbstractDelegateExtent.java

@@ -19,6 +19,7 @@
 
 package com.sk89q.worldedit.extent;
 
+import com.boydti.fawe.beta.Filter;
 import com.boydti.fawe.beta.IBatchProcessor;
 import com.boydti.fawe.config.Settings;
 import com.boydti.fawe.object.HistoryExtent;
@@ -30,8 +31,10 @@ import com.sk89q.worldedit.WorldEditException;
 import com.sk89q.worldedit.entity.BaseEntity;
 import com.sk89q.worldedit.entity.Entity;
 import com.sk89q.worldedit.extent.buffer.ForgetfulExtentBuffer;
+import com.sk89q.worldedit.function.mask.Mask;
 import com.sk89q.worldedit.function.operation.Operation;
 import com.sk89q.worldedit.function.operation.OperationQueue;
+import com.sk89q.worldedit.function.pattern.Pattern;
 import com.sk89q.worldedit.math.BlockVector3;
 import com.sk89q.worldedit.regions.Region;
 import com.sk89q.worldedit.util.Location;
@@ -44,6 +47,7 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import java.util.List;
+import java.util.Set;
 import java.util.UUID;
 import javax.annotation.Nullable;
 
@@ -275,6 +279,46 @@ public class AbstractDelegateExtent implements Extent {
         }
     }
 
+    @Override
+    public <B extends BlockStateHolder<B>> int setBlocks(Region region, B block) {
+        checkNotNull(region);
+        checkNotNull(block);
+        boolean hasNbt = block instanceof BaseBlock && block.hasNbtData();
+
+        int changes = 0;
+        for (BlockVector3 pos : region) {
+            if (setBlock(pos, block)) {
+                changes++;
+            }
+        }
+        return changes;
+    }
+
+    @Override
+    public int setBlocks(Region region, Pattern pattern) {
+        return getExtent().setBlocks(region, pattern);
+    }
+
+    @Override
+    public <B extends BlockStateHolder<B>> int replaceBlocks(Region region, Set<BaseBlock> filter, B replacement) {
+        return getExtent().replaceBlocks(region, filter, replacement);
+    }
+
+    @Override
+    public int replaceBlocks(Region region, Set<BaseBlock> filter, Pattern pattern) {
+        return getExtent().replaceBlocks(region, filter, pattern);
+    }
+
+    @Override
+    public int replaceBlocks(Region region, Mask mask, Pattern pattern) {
+        return getExtent().replaceBlocks(region, mask, pattern);
+    }
+
+    @Override
+    public int setBlocks(final Set<BlockVector3> vset, final Pattern pattern) {
+        return getExtent().setBlocks(vset, pattern);
+    }
+
     @Override
     public int getMaxY() {
         return extent.getMaxY();
@@ -343,4 +387,14 @@ public class AbstractDelegateExtent implements Extent {
     protected Operation commitBefore() {
         return null;
     }
+
+    @Override
+    public <T extends Filter> T apply(Region region, T filter, boolean full) {
+        return getExtent().apply(region, filter, full);
+    }
+
+    @Override
+    public <T extends Filter> T apply(Iterable<BlockVector3> positions, T filter) {
+        return getExtent().apply(positions, filter);
+    }
 }