Method checkBlock

src/main/java/net/optifine/BetterSnow.java:59–105

(Block block, IBlockState blockState)

    }

    private static boolean checkBlock(Block block, IBlockState blockState)
    {
        if (block.isFullCube())
        {
            return false;
        }
        else if (block.isOpaqueCube())
        {
            return false;
        }
        else if (block instanceof BlockSnow)
        {
            return false;
        }
        else if (!(block instanceof BlockBush) || !(block instanceof BlockDoublePlant) && !(block instanceof BlockFlower) && !(block instanceof BlockMushroom) && !(block instanceof BlockSapling) && !(block instanceof BlockTallGrass))
        {
            if (!(block instanceof BlockFence) && !(block instanceof BlockFenceGate) && !(block instanceof BlockFlowerPot) && !(block instanceof BlockPane) && !(block instanceof BlockReed) && !(block instanceof BlockWall))
            {
                if (block instanceof BlockRedstoneTorch && blockState.getValue(BlockTorch.FACING) == EnumFacing.UP)
                {
                    return true;
                }
                else
                {
                    if (block instanceof BlockLever)
                    {
                        Object object = blockState.getValue(BlockLever.FACING);

                        if (object == BlockLever.EnumOrientation.UP_X || object == BlockLever.EnumOrientation.UP_Z)
                        {
                            return true;
                        }
                    }

                    return false;
                }
            }
            else
            {
                return true;
            }
        }
        else
        {
            return true;
        }
    }
}