Esempio n. 1
0
    public Chunk GetChunk(int x, int z, ChunkStatus status, bool nonnull)
    {
        if (Thread.CurrentThread != _mainThread)
        {
            throw new Exception("Wrong Thread");
        }

        var positionHash = ChunkPos.AsLong(x, z);

        for (int i = 0; i < 4; i++)
        {
            if (_recentPositions[i] != positionHash || _recentStatuses[i] != status)
            {
                continue;
            }

            var recentChunk = _recentChunks[i];
            if (recentChunk != null || !nonnull)
            {
                return(recentChunk);
            }
        }

        var task  = ProvideChunk(x, z, status, nonnull);
        var chunk = task.GetAwaiter().GetResult();

        if (chunk == null && nonnull)
        {
            throw new Exception("Chunk not there when requested");
        }

        UpdateCache(positionHash, chunk, status);
        return(chunk);
    }