return;
final Block block = Block.blocksList[world.getBlockId(x, y, z)];
if (block == null
|| block.canBeReplacedByLeaves(world, x, y, z))
setBlockAndMetadata(world, x, y, z, blockLeaf, metaLeaf);
}
protected void setWoodBlock(World world, int x, int y, int z) {
final int id = world.getBlockId(x, y, z);