Add block data to the cloning mechanism

modules/API/src/main/java/com/comphenix/protocol/reflect/cloning/BukkitCloner.java

@@ -25,6 +25,7 @@ import com.comphenix.protocol.wrappers.BlockPosition;
 import com.comphenix.protocol.wrappers.BukkitConverters;
 import com.comphenix.protocol.wrappers.ChunkPosition;
 import com.comphenix.protocol.wrappers.MinecraftKey;
+import com.comphenix.protocol.wrappers.WrappedBlockData;
 import com.comphenix.protocol.wrappers.WrappedDataWatcher;
 import com.comphenix.protocol.wrappers.WrappedServerPing;
 import com.google.common.collect.Maps;
@@ -61,6 +62,11 @@ public class BukkitCloner implements Cloner {
 			addClass(5, MinecraftReflection.getDataWatcherSerializerClass());
 			addClass(6, MinecraftReflection.getMinecraftKeyClass());
 		}
+
+		try {
+			addClass(7, MinecraftReflection.getIBlockDataClass());
+		} catch (Throwable ex) {
+		}
 	}
 
 	private void addClass(int id, Class<?> clazz) {
@@ -112,7 +118,10 @@ public class BukkitCloner implements Cloner {
 				return source;
 			case 6:
 				EquivalentConverter<MinecraftKey> keyConverter = MinecraftKey.getConverter();
-				return keyConverter.getGeneric(clonableClasses.get(5), keyConverter.getSpecific(source));
+				return keyConverter.getGeneric(clonableClasses.get(6), keyConverter.getSpecific(source));
+			case 7:
+				EquivalentConverter<WrappedBlockData> blockDataConverter = BukkitConverters.getWrappedBlockDataConverter();
+				return blockDataConverter.getGeneric(clonableClasses.get(7), blockDataConverter.getSpecific(source).deepClone());
 			default:
 				throw new IllegalArgumentException("Cannot clone objects of type " + source.getClass());
 		}

modules/API/src/main/java/com/comphenix/protocol/wrappers/WrappedBlockData.java

@@ -149,6 +149,14 @@ public class WrappedBlockData extends AbstractWrapper {
 		return new WrappedBlockData(blockData);
 	}
 
+	/**
+	 * Retrieve a deep copy of the current wrapper object.
+	 * @return The cloned object.
+	 */
+	public WrappedBlockData deepClone() {
+		return WrappedBlockData.createData(getType(), getData());
+	}
+
 	@Override
 	public String toString() {
 		return "WrappedBlockData[handle=" + handle + "]";