public string Animate()
{
animationCount++;
//this could be the first time this gets called, so make sure there's an animation loaded
if (this.currentFrame == null)
{
this.currentFrameNum = 0;
this.currentFrame = this.frames[0];
return this.currentFrame.Id;
}
//if the animation frame is done being displayed, move on to the next frame in the animation
if (currentFrameNum >= this.currentFrame.DisplayLength)
{
this.nextFrame();
}
else
{
//mark the frame as having been shown for another render cycle
currentFrameNum++;
}
//return the id of the current frame being displayed
return this.currentFrame.Id;
}
public Sprite(string spriteName, string fileName)
{
this.name = spriteName;
AnimationFrame animFrame = new AnimationFrame(fileName, 0, 0);
Animation anim = new Animation();
anim.SetName("Idle");
anim.AddFrame(animFrame);
this.AddAnimation(anim);
Sprite.loadedSprites.Add(this);
}
//create a new sprite intended for a single frame animation
public static Sprite singleFrame(string name, int width, int height, string frameLocation, int xOffset, int yOffset)
{
AnimationFrame animfrm = new AnimationFrame(frameLocation, xOffset, yOffset);
Animation annie = new Animation();
annie.AddFrame(animfrm);
Sprite newSprite = new Sprite(name);
newSprite.Size = new Dimension(width, height);
newSprite.AddAnimation(annie);
return newSprite;
}
//create a new animation from a single sprite sheet with each x and y location being a new frame
//public static Animation fromSpriteSheet(string imgSheetLocation, List<int, int> framePositions)
//public static Animation fromSpriteSheet(string imgSheetLocation, int frameWidth, int frameHeight, int[,] framePositions)
public static Animation FromSpriteSheet(string imgSheetLocation, int frameWidth, int frameHeight, List<Point> framePositions)
{
Animation resultAnim = new Animation();
foreach (Point point in framePositions)
{
AnimationFrame animFrame = new AnimationFrame(
imgSheetLocation,
(int) Math.Round(point.x),
(int) Math.Round(point.y));
resultAnim.AddFrame(animFrame);
}
return resultAnim;
}
public static Animation SingleFrame(AnimationFrame frame)
{
Animation returnAnim = new Animation();
returnAnim.AddFrame(frame);
return returnAnim;
}
public bool AddFrame(AnimationFrame sourceFrame)
{
this.frames.Add(sourceFrame);
return true;
}
//change the animation to display the next frame
private void nextFrame()
{
//whether or not we found a new frame yet
bool foundFrame = false;
//if there's another frame after this one, go to that
for (int i = 0; i < frames.Count; i++)
{
//if this is the current frame and there's another after
if (frames[i] == this.currentFrame && i < frames.Count - 1)
{
this.currentFrame = this.frames[i + 1];
foundFrame = true;
break;
}
}
//there's no frame after the current one, so start back at the first frame
if (foundFrame == false)
{
this.currentFrame = this.frames[0];
}
//reset the number of times the frame has been displayed
this.currentFrameNum = 0;
}