RenderGlobal.java 文件源码

/**
 * Returns RenderChunk offset from given RenderChunk in given direction, or null if it can't be seen by player at
 * given BlockPos.
 */
@Nullable
private RenderChunk getRenderChunkOffset(BlockPos playerPos, RenderChunk renderChunkBase, EnumFacing facing)
{
    BlockPos blockpos = renderChunkBase.getBlockPosOffset16(facing);
    return MathHelper.abs_int(playerPos.getX() - blockpos.getX()) > this.renderDistanceChunks * 16 ? null : (blockpos.getY() >= 0 && blockpos.getY() < 256 ? (MathHelper.abs_int(playerPos.getZ() - blockpos.getZ()) > this.renderDistanceChunks * 16 ? null : this.viewFrustum.getRenderChunk(blockpos)) : null);
}