public UBitmap Generate2DInFourThreadsSync(PlanetContainer planetContainer, Action<float> callBack, CancellationToken token)
{
const int CORES = 4;
var container = planetContainer.Container2D;
__StartTime = DateTime.Now;
var genTasks = new Task[CORES];
var bmps = new UColor[CORES][,];
var pg = new PlanetGeneratorNative[CORES];
var percents = new float[CORES];
const int PICTURE_SHIFT = 2;
var w = container.Width / 2 + PICTURE_SHIFT;
var h = container.Height / 2 + PICTURE_SHIFT;
var resultBitmap = new UColor[container.Width, container.Height];
for (int i = 0; i < CORES; i++)
{
var index = i;
genTasks[i] = new Task(() =>
{
pg[index] = new PlanetGeneratorNative(AlgorithmType.Classic);
pg[index].OnProgressChange = p =>
{
percents[index] = p;
callBack?.Invoke(percents.Sum() / CORES);
};
var lx = w * (index / 2);
var ly = h * (index % 2);
if (lx > 0)
lx -= PICTURE_SHIFT;
if (ly > 0)
ly -= PICTURE_SHIFT;
var uBmp = pg[index].Generate(planetContainer, token, lx, ly, w, h);
if (token.IsCancellationRequested)
return;
var tmpBmp = uBmp.Map;
bmps[index] = tmpBmp;
}, token);
}
for (int i = 0; i < CORES; i++)
genTasks[i].Start();
Task.WaitAll(genTasks);
if (token.IsCancellationRequested)
return null;
for (int i = 0; i < CORES; i++)
{
var lw = w - PICTURE_SHIFT;
var lh = h - PICTURE_SHIFT;
var lx = (i / 2) * lw;
var ly = (i % 2) * lh;
var dx = lx > 0 ? PICTURE_SHIFT : 0;
var dy = ly > 0 ? PICTURE_SHIFT : 0;
for (int x = 0; x < lw; x++)
for (int y = 0; y < lh; y++)
resultBitmap[lx + x, ly + y] = bmps[i][x + dx, y + dy];
}
return new UBitmap(resultBitmap);
}
private UBitmap Generate2DInOneThread(PlanetContainer planetContainer, Action<float> callBack, CancellationToken token)
{
var pc = planetContainer;
var generator = new PlanetGeneratorNative(pc.Algorithm);
generator.OnProgressChange += callBack;
return generator.Generate(pc, token);
}