/// <summary>
/// Purges a chunk when inside the current buffer
/// </summary>
public IEnumerable <Point3> TryPurgeChunks(Point3 <double> position, int radius)
{
List <Point3> AllChunks;
lock (BlockLocker)
AllChunks = Blocks.Keys.ToList();
// TODO: check y
foreach (var chunk in AllChunks.Where(pair =>
{
var height = position.X - pair.X;
var width = position.Z - pair.Z;
var distance = Math.Sqrt((height * height) + (width * width));
return(distance > radius);
}))
{
Blocks.Remove(chunk);
yield return(chunk);
}
if (AllChunks.Count > 0)
{
PendingChanges = true;
BlockCount = Blocks.Count;
}
AllChunks.Clear();
}
private static void AsyncLoadChunk(Chunk c)
{
++_AsyncLoaders;
AllChunks.Add(c);
RegionReader reader = new RegionReader(ChunkToRegion(c.Position));
LoadChunkDelegate del = reader.LoadChunk;
del.BeginInvoke(c, FinishLoadChunk, del);
}
