public bool TryGet(Vector3I chunkLocation, out LandscapeChunkBuffer buffer)
{
lock (_syncLock)
{
if (_buffers.TryGetValue(chunkLocation, out buffer) == false)
{
buffer = new LandscapeChunkBuffer()
{
ChunkLocation = chunkLocation
};
_buffers.Add(chunkLocation, buffer);
}
if (buffer.isReady)
{
return(true);
}
if (buffer.isLocked)
{
return(false);
}
buffer.isLocked = true;
}
GenerateLandscapeBuffer(buffer);
buffer.isLocked = false;
return(true);
}
public void Insert(Vector3I chunkLocation, LandscapeEntity entity)
{
LandscapeChunkBuffer buffer;
lock (_syncLock)
{
if (_buffers.TryGetValue(chunkLocation, out buffer) == false)
{
buffer = new LandscapeChunkBuffer()
{
ChunkLocation = chunkLocation
};
_buffers.Add(chunkLocation, buffer);
}
}
if (buffer.Entities == null)
{
buffer.Entities = new List <LandscapeEntity>();
}
buffer.Entities.Add(entity);
}
private void GenerateLandscapeBuffer(LandscapeChunkBuffer buffer)
{
//Get the minimum chunk range that need to be computed to validate current chunk landscape entities generation
var chunkRange = new Range3I(buffer.ChunkLocation - _chunkRangeLookUp, new Vector3I(_chunkRangeLookUp.X * 2, 1, _chunkRangeLookUp.Z * 2));
var chunkBuffers = new List <LandscapeChunkBuffer>(chunkRange.Count);
foreach (var chunkPosition in chunkRange)
{
//Check if all those chunks have been / have their landscape item processed (They could potentially impact this chunk).
LandscapeChunkBuffer surrendingChunkBuffer;
bool need2Process = false;
lock (_syncLock)
{
if (_buffers.TryGetValue(chunkPosition, out surrendingChunkBuffer) == false)
{
surrendingChunkBuffer = new LandscapeChunkBuffer {
ChunkLocation = chunkPosition,
ProcessingState = LandscapeChunkBuffer.LandscapeChunkBufferState.NotProcessed
};
_buffers.Add(chunkPosition, surrendingChunkBuffer);
}
if (surrendingChunkBuffer.ProcessingState == LandscapeChunkBuffer.LandscapeChunkBufferState.NotProcessed)
{
surrendingChunkBuffer.ProcessingState = LandscapeChunkBuffer.LandscapeChunkBufferState.Processing;
need2Process = true;
}
}
chunkBuffers.Add(surrendingChunkBuffer);
if (need2Process)
{
//Process Landscape
FastRandom chunkNewRnd;
Biome chunkMasterBiome;
ChunkColumnInfo[] columnsInfo;
byte[] chunkBytes;
Processor.GenerateMacroLandscape(surrendingChunkBuffer.ChunkLocation, out chunkMasterBiome, out chunkBytes, out chunkNewRnd, out columnsInfo);
//Process chunk Entity landscape creation
Processor.LandscapeEntities.GenerateChunkItems(surrendingChunkBuffer.ChunkLocation, chunkMasterBiome, chunkBytes, columnsInfo, chunkNewRnd);
surrendingChunkBuffer.chunkBytesBuffer = chunkBytes;
surrendingChunkBuffer.ColumnsInfoBuffer = columnsInfo;
surrendingChunkBuffer.ProcessingState = LandscapeChunkBuffer.LandscapeChunkBufferState.Processed;
}
}
//Here, all chunk have been at least processed, some could still be in Processing state, waiting for all of them to finish.
while (chunkBuffers.Count(x => x.ProcessingState != LandscapeChunkBuffer.LandscapeChunkBufferState.Processed) > 0)
{
//Wait for all lanscape entity from our range to be processed
Thread.Sleep(1);
}
Processor.GenerateMicroLandscape(buffer);
//Sort the final landscape entity items by their chunk origine.
if (buffer.Entities != null)
{
buffer.Entities = buffer.Entities.OrderBy(x => x.ChunkLocation.GetHashCode()).ToList();
}
buffer.isReady = true;
}
