Add means of converting a IChiseledBlockTileEntity ( TileEntity ) int…

…o a IBitAccess.

src/main/java/mod/chiselsandbits/api/IChiseledBlockTileEntity.java

@@ -8,6 +8,17 @@
 public interface IChiseledBlockTileEntity
 {
 
+	/**
+	 * Used to access the contents of the chiseled block tile entity, context
+	 * about world will be derived from the world on the tile entity.
+	 * 
+	 * Note: that invalid world / position data will prevent some operations
+	 * such as caving changes.
+	 * 
+	 * @return {@link IBitAccess} for the tile entity.
+	 */
+	IBitAccess getBlockAccess();
+
 	/**
 	 * Used to write Tile Data into cross world format, can be invoked via
 	 * interface or via reflection on the tile itself.

src/main/java/mod/chiselsandbits/chiseledblock/TileEntityBlockChiseled.java

@@ -7,6 +7,7 @@
 
 import mod.chiselsandbits.api.EventBlockBitPostModification;
 import mod.chiselsandbits.api.EventFullBlockRestoration;
+import mod.chiselsandbits.api.IBitAccess;
 import mod.chiselsandbits.api.IChiseledBlockTileEntity;
 import mod.chiselsandbits.api.ItemType;
 import mod.chiselsandbits.chiseledblock.data.VoxelBlob;
@@ -956,4 +957,18 @@ public void finishUpdate()
 		// nothin.
 	}
 
+	@Override
+	public IBitAccess getBlockAccess()
+	{
+		VoxelBlob mask = VoxelBlob.NULL_BLOB;
+
+		if ( worldObj != null )
+		{
+			mask = new VoxelBlob();
+			MCMultipartProxy.proxyMCMultiPart.addFiller( getWorld(), getPos(), mask );
+		}
+
+		return new BitAccess( worldObj, pos, getBlob(), mask );
+	}
+
 }