private void TryToDeleteQueuedChunks()
{
var chunksToRemove = ChunksToRemove.ToList();
foreach (var chunkPosition in chunksToRemove)
{
if (RequestedChunks.ContainsKey(chunkPosition))
{
RequestedChunks.Remove(chunkPosition);
ChunksToRemove.Remove(chunkPosition);
}
else if (LoadedChunks.ContainsKey(chunkPosition))
{
var chunk = LoadedChunks[chunkPosition];
chunk.Remove();
LoadedChunks.Remove(chunkPosition);
ChunksToRemove.Remove(chunkPosition);
}
else if (!ChunksBeingGenerated.ContainsKey(chunkPosition))
{
ChunksToRemove.Remove(chunkPosition);
}
}
}
private void CreateTerrainForReadyChunks()
{
var anyTerrainCreated = false;
var chunks = ChunksBeingGenerated.ToList();
foreach (var chunk in chunks)
{
if (chunk.Value.IsHeightmapReady())
{
ChunksBeingGenerated.Remove(chunk.Key);
LoadedChunks.Add(chunk.Key, chunk.Value);
chunk.Value.CreateTerrain();
anyTerrainCreated = true;
if (OnChunkGenerated != null)
{
OnChunkGenerated.Invoke(ChunksBeingGenerated.Count);
}
SetChunkNeighborhood(chunk.Value);
}
}
if (anyTerrainCreated)
{
UpdateAllChunkNeighbors();
}
}
public bool ChunkCanBeRemoved(int x, int z)
{
var key = new Vector2i(x, z);
return
RequestedChunks.ContainsKey(key)
|| ChunksBeingGenerated.ContainsKey(key)
|| LoadedChunks.ContainsKey(key);
}
/// <summary>
/// Chunks the can be added.
/// </summary>
/// <returns><c>true</c>, if can be added was chunked, <c>false</c> otherwise.</returns>
/// <param name="x">The x coordinate.</param>
/// <param name="z">The z coordinate.</param>
public bool ChunkCanBeAdded(int x, int z)
{
var key = new XVec2I(x, z);
return
(!(RequestedChunks.ContainsKey(key) ||
ChunksBeingGenerated.ContainsKey(key) ||
LoadedChunks.ContainsKey(key)));
}
private void GenerateHeightmapForAvailableChunks()
{
var requestedChunks = RequestedChunks.ToList();
if (requestedChunks.Count > 0 && ChunksBeingGenerated.Count < MaxChunkThreads)
{
var chunksToAdd = requestedChunks.Take(MaxChunkThreads - ChunksBeingGenerated.Count);
foreach (var chunkEntry in chunksToAdd)
{
ChunksBeingGenerated.Add(chunkEntry.Key, chunkEntry.Value);
RequestedChunks.Remove(chunkEntry.Key);
chunkEntry.Value.GenerateHeightmap();
}
}
}
