Added Block.getRelative(BlockFace).

By: sk89q <the.sk89q@gmail.com>

paper-server/src/main/java/org/bukkit/craftbukkit/block/CraftBlock.java

@@ -198,6 +198,16 @@ public class CraftBlock implements Block {
         return getWorld().getBlockAt(getX() + modX, getY() + modY, getZ() + modZ);
     }
 
+    /**
+     * Gets the block at the given offsets
+     *
+     * @param face face
+     * @return Block at the given offsets
+     */
+    public Block getRelative(BlockFace face) {
+        return getRelative(face.getModX(), face.getModY(), face.getModZ());
+    }
+
     /**
      * Gets the face relation of this block compared to the given block<br />
      * <br />