public void invalidateBlockReceiveRegion(int par1, int par2, int par3, int par4, int par5, int par6)
    {
        for (int var7 = 0; var7 < this.blocksToReceive.size(); ++var7)
        {
            WorldBlockPositionType var8 = (WorldBlockPositionType)this.blocksToReceive.get(var7);

            if (var8.posX >= par1 && var8.posY >= par2 && var8.posZ >= par3 && var8.posX <= par4 && var8.posY <= par5 && var8.posZ <= par6)
            {
                this.blocksToReceive.remove(var7--);
            }
        }
    }