/// <summary>
/// loads a sprite from a SimpleArchive.
/// </summary>
public SpriteManager LoadSpriteManager(SimpleArchive sar)
{
SpriteManager ret = new SpriteManager();
ret.frames = new Image[sar.numFiles];
ret.NumFrames = sar.numFiles;
for (int i=0; i<sar.numFiles; i++)
using (Stream s = sar.open(sar.sortedFiles[i]))
ret.frames[i] = Game.LoadImage(s);
return ret;
}
/// <summary>
/// loads a spritemanager by dicing a source image
/// </summary>
public SpriteManager LoadSpriteManager(Image source, int width, int height, int xpad, int ypad)
{
//TODO - don't do this with blitting. that way we can keep the source texture format. but this will work for now..
SpriteManager ret = new SpriteManager();
int framesAcross = source.Width / (width+xpad);
int framesDown = source.Height / (height+ypad);
ret.NumFrames = framesAcross*framesDown;
ret.frames = new Image[ret.NumFrames];
int ctr=0;
DisableAlphaBlend();
for (int iy=0; iy<framesDown; iy++) {
for(int ix=0;ix<framesAcross; ix++,ctr++) {
Image img = NewImage(width, height);
ret.frames[ctr] = img;
Blitter b = new Blitter(img);
//b.Clear(Color.Transparent);
b.Blit(source, -ix*(width+xpad), -iy*(height+ypad));
img.Cache();
img.Premultiply();
}
}
EnableAlphaBlend();
return ret;
}