public BitmapRenderBlock(Dictionary <string, Texture> textureDictionary, string texturePath, ChunkPool pool,
RenderSettings renderSettings, IGraphicsApi <TImage> graphics, int chunkSize, int chunksPerDimension,
ExecutionDataflowBlockOptions options)
{
int tileSize = chunksPerDimension * chunkSize;
graphics.SetPoolDimensions(tileSize, tileSize);
int chunkRenderedCounter = 0;
ThreadLocal <RendererCombi <TImage> > renderCombi = new ThreadLocal <RendererCombi <TImage> >(() =>
new RendererCombi <TImage>(textureDictionary, texturePath, renderSettings, graphics));
Block = new TransformBlock <IEnumerable <ChunkAndData>, ImageInfo <TImage> >(chunkAndData =>
{
var b = graphics.GetPooledImage();
{
var chunkList = chunkAndData.ToList();
var firstX = chunkList.First().C.X;
var firstZ = chunkList.First().C.Z;
var chunkRenderer = renderCombi.Value.ChunkRenderer;
foreach (var chunk in chunkList)
{
var x = chunk.C.X % chunksPerDimension;
var z = chunk.C.Z % chunksPerDimension;
if (x < 0)
{
x += chunksPerDimension;
}
if (z < 0)
{
z += chunksPerDimension;
}
chunkRenderer.RenderChunk(b, chunk.C, x * chunkSize, z * chunkSize);
pool?.Return(chunk.C);
}
var fx = CoordHelpers.GetGroupedCoordinate(firstX, chunksPerDimension);
var fz = CoordHelpers.GetGroupedCoordinate(firstZ, chunksPerDimension);
Interlocked.Increment(ref processedCount);
Interlocked.Add(ref chunkRenderedCounter, chunkList.Count);
if (chunkRenderedCounter >= 32)
{
var v = chunkRenderedCounter;
ChunksRendered?.Invoke(this, new ChunksRenderedEventArgs(v));
Interlocked.Add(ref chunkRenderedCounter, -v);
}
return(new ImageInfo <TImage>()
{
Image = b, X = fx, Z = fz, Cd = chunkList.SelectMany(x => x.Cd)
});
}
}, options);
}