Chunk.java 文件源码

public int getLightSubtracted(BlockPos pos, int amount)
{
    int i = pos.getX() & 15;
    int j = pos.getY();
    int k = pos.getZ() & 15;
    ExtendedBlockStorage extendedblockstorage = this.storageArrays[j >> 4];

    if (extendedblockstorage == NULL_BLOCK_STORAGE)
    {
        return !this.worldObj.provider.getHasNoSky() && amount < EnumSkyBlock.SKY.defaultLightValue ? EnumSkyBlock.SKY.defaultLightValue - amount : 0;
    }
    else
    {
        int l = this.worldObj.provider.getHasNoSky() ? 0 : extendedblockstorage.getExtSkylightValue(i, j & 15, k);
        l = l - amount;
        int i1 = extendedblockstorage.getExtBlocklightValue(i, j & 15, k);

        if (i1 > l)
        {
            l = i1;
        }

        return l;
    }
}