// Texture packer import
public static tk2dSpriteCollectionData CreateFromTexturePacker( tk2dRuntime.SpriteCollectionSize spriteCollectionSize, string texturePackerFileContents, Texture texture )
{
List<string> names = new List<string>();
List<Rect> rects = new List<Rect>();
List<Rect> trimRects = new List<Rect>();
List<Vector2> anchors = new List<Vector2>();
List<bool> rotated = new List<bool>();
int state = 0;
System.IO.TextReader tr = new System.IO.StringReader(texturePackerFileContents);
// tmp state
bool entryRotated = false;
bool entryTrimmed = false;
string entryName = "";
Rect entryRect = new Rect();
Rect entryTrimData = new Rect();
Vector2 textureDimensions = Vector2.zero;
Vector2 anchor = Vector2.zero;
// gonna write a non-allocating parser for this one day.
// all these substrings & splits can't be good
// but should be a tiny bit better than an xml / json parser...
string line = tr.ReadLine();
while (line != null) {
if (line.Length > 0) {
char cmd = line[0];
switch (state) {
case 0: {
switch (cmd) {
case 'i': break; // ignore version field for now
case 'w': textureDimensions.x = Int32.Parse(line.Substring(2)); break;
case 'h': textureDimensions.y = Int32.Parse(line.Substring(2)); break;
// total number of sprites would be ideal to statically allocate
case '~': state++; break;
}
}
break;
case 1: {
switch (cmd) {
case 'n': entryName = line.Substring(2); break;
case 'r': entryRotated = Int32.Parse(line.Substring(2)) == 1; break;
case 's': { // sprite
string[] tokens = line.Split();
entryRect.Set( Int32.Parse(tokens[1]), Int32.Parse(tokens[2]), Int32.Parse(tokens[3]), Int32.Parse(tokens[4]) );
}
break;
case 'o': { // origin
string[] tokens = line.Split();
entryTrimData.Set( Int32.Parse(tokens[1]), Int32.Parse(tokens[2]), Int32.Parse(tokens[3]), Int32.Parse(tokens[4]) );
entryTrimmed = true;
}
break;
case '~': {
names.Add(entryName);
rotated.Add(entryRotated);
rects.Add(entryRect);
if (!entryTrimmed) {
// The entryRect dimensions will be the wrong way around if the sprite is rotated
if (entryRotated) entryTrimData.Set(0, 0, entryRect.height, entryRect.width);
else entryTrimData.Set(0, 0, entryRect.width, entryRect.height);
}
trimRects.Add(entryTrimData);
anchor.Set( (int)(entryTrimData.width / 2), (int)(entryTrimData.height / 2) );
anchors.Add( anchor );
entryName = "";
entryTrimmed = false;
entryRotated = false;
}
break;
}
}
break;
}
}
line = tr.ReadLine();
}
return CreateFromTexture(
texture,
spriteCollectionSize,
textureDimensions,
names.ToArray(),
rects.ToArray(),
trimRects.ToArray(),
anchors.ToArray(),
rotated.ToArray() );
}
/// <summary>
/// Create a sprite collection at runtime from a texture and user specified regions.
/// Please ensure that names, regions & anchor arrays have same dimension.
/// Use <see cref="tk2dBaseSprite.CreateFromTexture"/> if you need to create only one sprite from a texture.
/// </summary>
public static tk2dSpriteCollectionData CreateFromTexture(Texture2D texture, tk2dRuntime.SpriteCollectionSize size, string[] names, Rect[] regions, Vector2[] anchors)
{
return tk2dRuntime.SpriteCollectionGenerator.CreateFromTexture(texture, size, names, regions, anchors);
}
/// <summary>
/// Create a sprite (and gameObject) displaying the region of the texture specified.
/// Use <see cref="tk2dSpriteCollectionData.CreateFromTexture"/> if you need to create a sprite collection
/// with multiple sprites.
/// Convenience alias of tk2dBaseSprite.CreateFromTexture<tk2dSprite>(...)
/// </summary>
public static GameObject CreateFromTexture(Texture2D texture, tk2dRuntime.SpriteCollectionSize size, Rect region, Vector2 anchor)
{
return tk2dBaseSprite.CreateFromTexture<tk2dSprite>(texture, size, region, anchor);
}
/// <summary>
/// Create a sprite collection at runtime from a texturepacker exported file.
/// Ensure this is exported using the "2D Toolkit" export mode in TexturePacker.
/// You can find this exporter in Assets/TK2DROOT/tk2d/Goodies/TexturePacker/Exporter
/// You can use also use this to load sprite collections at runtime.
/// </summary>
public static tk2dSpriteCollectionData CreateFromTexturePacker(tk2dRuntime.SpriteCollectionSize size, string texturePackerData, Texture texture)
{
return tk2dRuntime.SpriteCollectionGenerator.CreateFromTexturePacker(size, texturePackerData, texture);
}
