ViewFrustum.java 文件源码

@Nullable
public RenderChunk getRenderChunk(BlockPos pos)
{
    int i = pos.getX() >> 4;
    int j = pos.getY() >> 4;
    int k = pos.getZ() >> 4;

    if (j >= 0 && j < this.countChunksY)
    {
        i = i % this.countChunksX;

        if (i < 0)
        {
            i += this.countChunksX;
        }

        k = k % this.countChunksZ;

        if (k < 0)
        {
            k += this.countChunksZ;
        }

        int l = (k * this.countChunksY + j) * this.countChunksX + i;
        return this.renderChunks[l];
    }
    else
    {
        return null;
    }
}