protected override void OnUpdateRenderLightmap(out bool finished)
{
finished = false;
//render bucket
{
//DoLogEvent( string.Format( "Render bucket {0},{1}", lightmapBucketIndex.X,
// lightmapBucketIndex.Y ) );
RectI bucketRectangle = new RectI(lightmapBucketIndex * bucketSize,
(lightmapBucketIndex + new Vec2I(1, 1)) * bucketSize);
if (bucketRectangle.Right > lightmapRenderingImage.Size.X)
{
bucketRectangle.Right = lightmapRenderingImage.Size.X;
}
if (bucketRectangle.Bottom > lightmapRenderingImage.Size.Y)
{
bucketRectangle.Bottom = lightmapRenderingImage.Size.Y;
}
lightmapRenderingImage.Fill(bucketRectangle, new ColorValue(1, 1, 0));
ColorValue[] colors = new ColorValue[bucketRectangle.Size.X * bucketRectangle.Size.Y];
for (int y = bucketRectangle.Minimum.Y; y < bucketRectangle.Maximum.Y; y++)
{
for (int x = bucketRectangle.Minimum.X; x < bucketRectangle.Maximum.X; x++)
{
Vec2I pixelIndex = new Vec2I(x, y);
ColorValue color = RenderPixel(pixelIndex);
Vec2I colorIndex = pixelIndex - bucketRectangle.Minimum;
colors[colorIndex.Y * bucketRectangle.Size.X + colorIndex.X] = color;
}
}
lightmapRenderingImage.Fill(bucketRectangle, colors);
}
//change bucket
{
Vec2I bucketCount = lightmapRenderingImage.Size / bucketSize;
if (lightmapRenderingImage.Size.X % bucketSize != 0)
{
bucketCount.X++;
}
if (lightmapRenderingImage.Size.Y % bucketSize != 0)
{
bucketCount.Y++;
}
lightmapBucketIndex.X++;
if (lightmapBucketIndex.X >= bucketCount.X)
{
lightmapBucketIndex.X = 0;
lightmapBucketIndex.Y++;
if (lightmapBucketIndex.Y >= bucketCount.Y)
{
finished = true;
}
}
}
//image finished. do final operations.
if (finished)
{
lightmapRenderingImage.FillHoles(5);
lightmapRenderingImage.Finish();
}
}
