public int getFullBlockLightValue(int par1, int par2, int par3)
    {
        if (par2 < 0)
        {
            return 0;
        }
        else
        {
            if (par2 >= 256)
            {
                par2 = 255;
            }

            return this.getChunkFromChunkCoords(par1 >> 4, par3 >> 4).getBlockLightValue(par1 & 15, par2, par3 & 15, 0);
        }
    }