if(((xPos != center | zPos != center) ||
rand.nextInt(2) != 0 && var12 != 0) &&
(block == null || block.isLeaves(world, xOffset, yOffset, zOffset) ||
block.isAirBlock(world, xOffset, yOffset, zOffset) ||
block.canBeReplacedByLeaves(world, xOffset, yOffset, zOffset)))
{
this.setBlockAndMetadata(world, xOffset, yOffset, zOffset,
MineFactoryReloadedCore.rubberLeavesBlock.blockID, 0);
}
}