Added "fast mode corrections"

worldedit-bukkit/src/main/java/com/sk89q/worldedit/bukkit/BukkitWorld.java

@@ -487,6 +487,17 @@ public class BukkitWorld extends AbstractWorld {
         }
     }
 
+    @Override
+    public boolean notifyAndLightBlock(BlockVector3 position, com.sk89q.worldedit.world.block.BlockState previousType) throws WorldEditException {
+        BukkitImplAdapter adapter = WorldEditPlugin.getInstance().getBukkitImplAdapter();
+        if (adapter != null) {
+            adapter.notifyAndLightBlock(BukkitAdapter.adapt(getWorld(), position), previousType);
+            return true;
+        }
+
+        return false;
+    }
+
     @Override
     public BaseBiome getBiome(BlockVector2 position) {
         BukkitImplAdapter adapter = WorldEditPlugin.getInstance().getBukkitImplAdapter();

worldedit-bukkit/src/main/java/com/sk89q/worldedit/bukkit/adapter/BukkitImplAdapter.java

@@ -27,6 +27,7 @@ import com.sk89q.worldedit.entity.BaseEntity;
 import com.sk89q.worldedit.entity.Player;
 import com.sk89q.worldedit.math.BlockVector3;
 import com.sk89q.worldedit.registry.state.Property;
+import com.sk89q.worldedit.world.block.BlockState;
 import com.sk89q.worldedit.world.block.BlockStateHolder;
 import com.sk89q.worldedit.world.block.BlockState;
 import com.sk89q.worldedit.entity.BaseEntity;
@@ -79,6 +80,15 @@ public interface BukkitImplAdapter<T> extends IBukkitAdapter {
 
     boolean isChunkInUse(Chunk chunk);
 
+    /**
+     * Notifies the simulation that the block at the given location has
+     * been changed and it must be re-lighted (and issue other events).
+     *
+     * @param position position of the block
+     * @param previousType the type of the previous block that was there
+     */
+    void notifyAndLightBlock(Location position, BlockState previousType);
+
     /**
      * Get the state for the given entity.
      *

worldedit-core/src/main/java/com/boydti/fawe/wrappers/WorldWrapper.java

@@ -254,4 +254,9 @@ public class WorldWrapper extends AbstractWorld {
     public boolean setBiome(BlockVector2 position, BaseBiome biome) {
         return parent.setBiome(position, biome);
     }
+
+	@Override
+	public boolean notifyAndLightBlock(BlockVector3 position, BlockState previousType) throws WorldEditException {
+		return parent.notifyAndLightBlock(position, previousType);
+	}
 }

worldedit-core/src/main/java/com/sk89q/worldedit/EditSession.java

@@ -377,6 +377,8 @@ public class EditSession extends AbstractDelegateExtent implements HasFaweQueue,
         this(WorldEdit.getInstance().getEventBus(), world, maxBlocks, blockBag, new EditSessionEvent(world, null, maxBlocks, null));
     }
 
+    private Mask oldMask;
+
     /**
      * Construct the object with a maximum number of blocks and a block bag.
      *
@@ -3589,14 +3591,17 @@ public class EditSession extends AbstractDelegateExtent implements HasFaweQueue,
 
 	@Override
 	public void dropItem(Vector3 position, BaseItemStack item) {
-		// TODO Auto-generated method stub
+		world.dropItem(position, item);
-		
 	}
 
 	@Override
 	public boolean playEffect(Vector3 position, int type, int data) {
-		// TODO Auto-generated method stub
+		return world.playEffect(position, type, data);
-		return false;
+	}
+
+	@Override
+	public boolean notifyAndLightBlock(BlockVector3 position, BlockState previousType) throws WorldEditException {
+		return world.notifyAndLightBlock(position, previousType);
 	}
 
 }

worldedit-core/src/main/java/com/sk89q/worldedit/extent/world/FastModeExtent.java

@@ -29,9 +29,12 @@ import com.sk89q.worldedit.function.operation.Operation;
 import com.sk89q.worldedit.function.operation.RunContext;
 import com.sk89q.worldedit.world.World;
 import com.sk89q.worldedit.world.block.BlockStateHolder;
+import com.sk89q.worldedit.world.block.BlockTypes;
 
+import java.util.ArrayDeque;
 import java.util.HashSet;
 import java.util.List;
+import java.util.Queue;
 import java.util.Set;
 
 /**
@@ -40,8 +43,10 @@ import java.util.Set;
 public class FastModeExtent extends AbstractDelegateExtent {
 
     private final World world;
+    private final Queue<BlockVector3> positions = new ArrayDeque<>();
     private final Set<BlockVector2> dirtyChunks = new HashSet<>();
     private boolean enabled = true;
+    private boolean postEditSimulation;
 
     /**
      * Create a new instance with fast mode enabled.
@@ -63,6 +68,9 @@ public class FastModeExtent extends AbstractDelegateExtent {
         checkNotNull(world);
         this.world = world;
         this.enabled = enabled;
+        if (enabled) {
+            this.postEditSimulation = true;
+        }
     }
 
     /**
@@ -83,11 +91,27 @@ public class FastModeExtent extends AbstractDelegateExtent {
         this.enabled = enabled;
     }
 
+    public boolean isPostEditSimulationEnabled() {
+        return postEditSimulation;
+    }
+
+    public void setPostEditSimulationEnabled(boolean enabled) {
+        this.postEditSimulation = enabled;
+    }
+
     @Override
     public boolean setBlock(BlockVector3 location, BlockStateHolder block) throws WorldEditException {
         if (enabled) {
             dirtyChunks.add(BlockVector2.at(location.getBlockX() >> 4, location.getBlockZ() >> 4));
-            return world.setBlock(location, block, false);
+
+            if (world.setBlock(location, block, false)) {
+                if (postEditSimulation) {
+                    positions.offer(location);
+                }
+                return true;
+            }
+
+            return false;
         } else {
             return world.setBlock(location, block, true);
         }
@@ -101,6 +125,16 @@ public class FastModeExtent extends AbstractDelegateExtent {
                 if (!dirtyChunks.isEmpty()) {
                     world.fixAfterFastMode(dirtyChunks);
                 }
+
+                if (postEditSimulation) {
+                    while (run.shouldContinue() && !positions.isEmpty()) {
+                        BlockVector3 position = positions.poll(); // Remove from queue
+                        world.notifyAndLightBlock(position, BlockTypes.AIR.getDefaultState());
+                    }
+
+                    return !positions.isEmpty() ? this : null;
+                }
+
                 return null;
             }
 

worldedit-core/src/main/java/com/sk89q/worldedit/history/changeset/ChangeSet.java

@@ -42,7 +42,7 @@ public interface ChangeSet {
      * @return whether or not the ChangeSet is set to record changes
      */
     boolean isRecordingChanges();
-    
+
     /**
      * Tell the change set whether to record changes or not.
      *

worldedit-core/src/main/java/com/sk89q/worldedit/world/NullWorld.java

@@ -64,6 +64,11 @@ public class NullWorld extends AbstractWorld {
         return false;
     }
 
+    @Override
+    public boolean notifyAndLightBlock(BlockVector3 position, BlockState previousType) throws WorldEditException {
+        return false;
+    }
+
     @Override
     public int getBlockLightLevel(BlockVector3 position) {
         return 0;

worldedit-core/src/main/java/com/sk89q/worldedit/world/World.java

@@ -33,10 +33,13 @@ import com.sk89q.worldedit.math.Vector3;
 import com.sk89q.worldedit.regions.Region;
 import com.sk89q.worldedit.util.Direction;
 import com.sk89q.worldedit.util.TreeGenerator;
+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.weather.WeatherType;
 
+import java.util.Vector;
+
 /**
  * Represents a world (dimension).
  */
@@ -95,6 +98,16 @@ public interface World extends Extent {
      */
     boolean setBlock(BlockVector3 position, BlockStateHolder block, boolean notifyAndLight) throws WorldEditException;
 
+    /**
+     * Notifies the simulation that the block at the given location has
+     * been changed and it must be re-lighted (and issue other events).
+     *
+     * @param position position of the block
+     * @param previousType the type of the previous block that was there
+     * @return true if the block was successfully notified
+     */
+    boolean notifyAndLightBlock(BlockVector3 position, BlockState previousType) throws WorldEditException;
+
     /**
      * Get the light level at the given block.
      *

worldedit-forge/src/main/java/com/sk89q/worldedit/forge/ForgeWorld.java

@@ -214,6 +214,12 @@ public class ForgeWorld extends AbstractWorld {
         return successful;
     }
 
+    @Override
+    public boolean notifyAndLightBlock(BlockVector3 position, BlockState previousType) throws WorldEditException {
+        // TODO Implement
+        return false;
+    }
+
     // Can't get the "Object" to be right for withProperty w/o this
     @SuppressWarnings({ "rawtypes", "unchecked" })
     private IBlockState applyProperties(BlockStateContainer stateContainer, IBlockState newState, Map<Property<?>, Object> states) {

worldedit-sponge/src/main/java/com/sk89q/worldedit/sponge/SpongeWorld.java

@@ -42,7 +42,6 @@ import com.sk89q.worldedit.world.block.BlockStateHolder;
 import com.sk89q.worldedit.world.item.ItemTypes;
 import com.sk89q.worldedit.world.weather.WeatherType;
 import com.sk89q.worldedit.world.weather.WeatherTypes;
-
 import org.spongepowered.api.Sponge;
 import org.spongepowered.api.block.BlockSnapshot;
 import org.spongepowered.api.block.BlockState;
@@ -164,6 +163,12 @@ public abstract class SpongeWorld extends AbstractWorld {
         return true;
     }
 
+    @Override
+    public boolean notifyAndLightBlock(BlockVector3 position, com.sk89q.worldedit.world.block.BlockState previousType) throws WorldEditException {
+        // TODO Move this to adapter
+        return false;
+    }
+
     @Override
     public boolean regenerate(Region region, EditSession editSession) {
         return false;