private Bitmap BuildPackedTexture(SpriteSheet originalSpriteSheet)
{
Bitmap combinedBitmap = new Bitmap(finalSpriteSheetWidth, finalSpriteSheetHeight);
for (int i = 0; i < originalSpriteSheet.Frames.Count; i++)
{
SpriteSheetFrame spriteSheetFrame = originalSpriteSheet.Frames[i];
Bitmap spriteBitmap =
originalSpriteSheet.Texture.Surface.ToBitmap(spriteSheetFrame.BoundingRect.ToRectangle());
Rectangle spriteRect = finalSpriteMapping[spriteSheetFrame.Id].ToRectangle();
for (int x = 0; x < spriteBitmap.Width; x++)
{
for (int y = 0; y < spriteBitmap.Height; y++)
{
combinedBitmap.SetPixel(spriteRect.X + x, spriteRect.Y + y, spriteBitmap.GetPixel(x, y));
}
}
}
return(combinedBitmap);
}
//public void Draw(int renderQueue, int sprite, Vector2 position, Color color)
//{
// Draw(renderQueue, sprite, rectangle, color, SpriteEffects.None, 0f);
//}
public int add(AxisAlignedBox rect)
{
var frame = new SpriteSheetFrame();
frame.rect = rect;
frames.Add(frame);
return(frames.Count - 1);
}
public override void Draw(GameTime gameTime)
{
var borders = new Color(1.0f, 1.0f, 1.0f, 0.2f);
try
{
Matrix transformation = _camera.GetTransformation();
_spriteBatch.Begin(SpriteSortMode.FrontToBack, BlendState.AlphaBlend, null, null, null, null, transformation);
_landscape.Draw(transformation);
Animation animation = _animations.GetById(_animIndex);
AnimationFrame animationFrame = animation.CurrentFrame;
int key = animationFrame.SpriteSheetId;
SpriteSheet sheet = _sheets[key];
// Draw full texture
_spriteBatch.Draw(sheet.Texture, new Vector2(0, 0), Color.White);
_spriteBatch.DrawRectangle(sheet.Texture.Bounds, borders);
// Animation
SpriteSheetFrame ssFrame = sheet.Frames[animationFrame.SpriteSheetFrameId];
_spriteBatch.Draw(_sheets, animation, new Vector2(ssFrame.Width / 2, ssFrame.Height / 2 + sheet.Texture.Height));
_spriteBatch.DrawCross(new Vector2(ssFrame.Width / 2, ssFrame.Height / 2 + sheet.Texture.Height), Color.Red); // 16,16
_spriteBatch.DrawString(_font, $"{_animIndex}-{animation.CurrentFrame.SpriteSheetFrameId} : {animation.Name}", new Vector2(120, 12 + sheet.Texture.Height), Color.White);
// Frames in full texture
for (int i = 0; i < animation.Frames.Length; i++)
{
AnimationFrame frame = animation.Frames[i];
sheet = _sheets[frame.SpriteSheetId];
SpriteSheetFrame spriteSheetFrame = sheet.Frames[frame.SpriteSheetFrameId];
Rectangle area = new Rectangle(spriteSheetFrame.X, spriteSheetFrame.Y, spriteSheetFrame.Width, spriteSheetFrame.Height);
_spriteBatch.DrawRectangle(area, borders);
_spriteBatch.DrawCross(area.Location.ToVector2() + new Vector2(spriteSheetFrame.Width / 2.0f, spriteSheetFrame.Height / 2.0f), borders); // frame.Origin.ToVector2(),
_spriteBatch.DrawString(_font, $"{i}", area.Location.ToVector2() + new Vector2(4, 4), borders);
}
_spriteBatch.End();
_statusPane.Draw(_camera);
}
catch (Exception ex)
{
_spriteBatch.Begin();
_spriteBatch.DrawString(_font, $"{ex.Message}", Vector2.Zero, Color.White);
_spriteBatch.End();
}
}
public bool PackSpriteSheet(SpriteSheet originalSpriteSheet, bool requirePowTwo, bool requireSquare, int padding,
bool generateMap, int maxWidth, int maxHeight, out SpriteSheet packed)
{
tempSpriteSheet = originalSpriteSheet.BlankClone();
finalSpriteSheetWidth = maxWidth;
finalSpriteSheetHeight = maxHeight;
this.requirePowTwo = requirePowTwo;
this.requireSquare = requireSquare;
this.padding = padding;
var sprites = originalSpriteSheet.Frames;
sprites.Sort(
(i1, i2) =>
{
Size b1 = new Size(i1.Width, i1.Height);
Size b2 = new Size(i2.Width, i2.Height);
int c = -b1.Width.CompareTo(b2.Width);
if (c != 0)
{
return(c);
}
c = -b1.Height.CompareTo(b2.Height);
if (c != 0)
{
return(c);
}
return(0);
}
);
if (!PackBruteForce(originalSpriteSheet.Frames))
{
packed = null;
return(false);
}
Bitmap packedTexture = BuildPackedTexture(originalSpriteSheet);
tempSpriteSheet.ResetTextureFromBitmap(packedTexture);
if (generateMap)
{
int[] keys = new int[finalSpriteMapping.Keys.Count];
finalSpriteMapping.Keys.CopyTo(keys, 0);
foreach (var key in keys)
{
Rect r = finalSpriteMapping[key];
r.Right -= padding;
r.Bottom -= padding;
finalSpriteMapping[key] = r;
}
foreach (var map in finalSpriteMapping)
{
SpriteSheetFrame newFrame = new SpriteSheetFrame(map.Value, tempSpriteSheet);
newFrame.Id = map.Key;
newFrame.TagName = originalSpriteSheet.Frames[newFrame.Id].TagName;
tempSpriteSheet.Frames.Add(newFrame);
}
}
packed = tempSpriteSheet;
testSpriteMapping.Clear();
finalSpriteMapping.Clear();
return(true);
}
