@Override
 public boolean renderWorldBlock(
     IBlockAccess iBlockAccess,
     int x,
     int y,
     int z,
     Block block,
     int modelId,
     RenderBlocks renderBlocks) {
   // Modchu_Debug.mDebug("Modchu_SimpleBlockRenderingHandler renderWorldBlock");
   return master != null
       ? master.renderWorldBlock(iBlockAccess, x, y, z, block, modelId, renderBlocks)
       : false;
 }