private void DrawTextSprite(SpriteBatch sb, TextSprite sprite, Vector2 position, Color color,
float rotation, Vector2 origin, Vector2 scale, SpriteEffects effects)
{
sprite.SetColor(color);
sprite.Transform(position, scale, origin, Vector2.Zero, sprite.NaturalSize, rotation, effects,
ref sb.currentMatrix);
sb.GraphicsDevice.DrawSprite(sprite);
}
private TextSprite CreateSprite(object key, string renderedStringBuilder,
int frameNumber, bool cached, GraphicsDevice device)
{
// First try to find an existing sprite to reuse
for(int i = 0; i < sprites.Count; i++)
{
// If it was last used before the immediately previous frame, assume it is free to use:
if(sprites[i].cached == cached && sprites[i].foundOnFrame < frameNumber-1)
{
TextSpriteInstance instance = sprites[i];
instance.key = key;
instance.renderedStringBuilder = renderedStringBuilder;
instance.foundOnFrame = frameNumber;
sprites[i] = instance;
return instance.value;
}
}
// If no sprite to reuse was found...
TextSprite sprite = new TextSprite(this, cached);
sprites.Add(new TextSpriteInstance()
{
key = key,
value = sprite,
renderedStringBuilder = renderedStringBuilder,
foundOnFrame = frameNumber,
cached = cached
});
device.AddSprite(sprite);
return sprite;
}
