--- ../src-base/minecraft/net/minecraft/block/BlockQuartz.java
+++ ../src-work/minecraft/net/minecraft/block/BlockQuartz.java
@@ -111,6 +111,26 @@
         return new BlockStateContainer(this, new IProperty[] {field_176335_a});
     }
 
+    public boolean rotateBlock(World world, BlockPos pos, EnumFacing axis)
+    {
+        IBlockState state = world.func_180495_p(pos);
+        for (IProperty prop : state.func_177228_b().keySet())
+        {
+            if (prop.func_177701_a().equals("variant") && prop.func_177699_b() == EnumType.class)
+            {
+                EnumType current = (EnumType)state.func_177229_b(prop);
+                EnumType next = current == EnumType.LINES_X ? EnumType.LINES_Y :
+                                current == EnumType.LINES_Y ? EnumType.LINES_Z :
+                                current == EnumType.LINES_Z ? EnumType.LINES_X : current;
+                if (next == current)
+                    return false;
+                world.func_175656_a(pos, state.func_177226_a(prop, next));
+                return true;
+            }
+        }
+        return false;
+    }
+
     public static enum EnumType implements IStringSerializable
     {
         DEFAULT(0, "default", "default"),