Add WrappedBlockData.getData(), improve block data test

ProtocolLib/src/main/java/com/comphenix/protocol/wrappers/WrappedBlockData.java

@@ -38,6 +38,7 @@ public class WrappedBlockData extends AbstractWrapper {
 	private static final Class<?> BLOCK = MinecraftReflection.getBlockClass();
 
 	private static MethodAccessor FROM_LEGACY_DATA = null;
+	private static MethodAccessor TO_LEGACY_DATA = null;
 	private static MethodAccessor GET_NMS_BLOCK = null;
 	private static MethodAccessor GET_BLOCK = null;
 
@@ -50,6 +51,13 @@ public class WrappedBlockData extends AbstractWrapper {
 				.build();
 		FROM_LEGACY_DATA = Accessors.getMethodAccessor(fuzzy.getMethod(contract));
 
+		contract = FuzzyMethodContract.newBuilder()
+				.banModifier(Modifier.STATIC)
+				.parameterExactArray(IBLOCK_DATA)
+				.returnTypeExact(int.class)
+				.build();
+		TO_LEGACY_DATA = Accessors.getMethodAccessor(fuzzy.getMethod(contract));
+
 		fuzzy = FuzzyReflection.fromClass(MAGIC_NUMBERS);
 		GET_NMS_BLOCK = Accessors.getMethodAccessor(fuzzy.getMethodByParameters("getBlock", BLOCK,
 				new Class<?>[] { Material.class }));
@@ -73,6 +81,15 @@ public class WrappedBlockData extends AbstractWrapper {
 		return BukkitConverters.getBlockConverter().getSpecific(block);
 	}
 
+	/**
+	 * Retrieves the data of this BlockData.
+	 * @return The data of this BlockData.
+	 */
+	public int getData() {
+		Object block = GET_BLOCK.invoke(handle);
+		return (Integer) TO_LEGACY_DATA.invoke(block, handle);
+	}
+
 	/**
 	 * Sets the type of this BlockData.
 	 * @param type New type

ProtocolLib/src/test/java/com/comphenix/protocol/wrappers/WrappedBlockDataTest.java

@@ -18,6 +18,7 @@ package com.comphenix.protocol.wrappers;
 
 import static org.junit.Assert.assertEquals;
 
+import org.bukkit.DyeColor;
 import org.bukkit.Material;
 import org.junit.BeforeClass;
 import org.junit.Test;
@@ -38,11 +39,18 @@ public class WrappedBlockDataTest {
 
 	@Test
 	public void test() {
-		Material type = Material.STONE;
+		Material type = Material.WOOL;
-		WrappedBlockData data = WrappedBlockData.createData(type);
+		int data = DyeColor.BLUE.getWoolData();
-		Object generic = BukkitConverters.getWrappedBlockDataConverter().getGeneric(MinecraftReflection.getIBlockDataClass(), data);
+
+		WrappedBlockData wrapper = WrappedBlockData.createData(type, data);
+
+		assertEquals(wrapper.getType(), type);
+		assertEquals(wrapper.getData(), data);
+
+		Object generic = BukkitConverters.getWrappedBlockDataConverter().getGeneric(MinecraftReflection.getIBlockDataClass(), wrapper);
 		WrappedBlockData back = BukkitConverters.getWrappedBlockDataConverter().getSpecific(generic);
 
-		assertEquals(data.getType(), back.getType());
+		assertEquals(wrapper.getType(), back.getType());
+		assertEquals(wrapper.getData(), back.getData());
 	}
 }