public override void OnImportAsset(AssetImportContext ctx)
{
// Load the raw file.
var file = PAFile.Load(ctx.assetPath);
var texture = new Texture2D(64, 64, TextureFormat.RGBA32, false);
texture.filterMode = FilterMode.Point;
texture.name = "atlas";
var textures = file.frames.Select(f => file.RenderFrame(f)).ToArray();
var rects = texture.PackTextures(textures, 1).Select(r => new Rect(r.xMin * texture.width, r.yMin * texture.height, r.width * texture.width, r.height * texture.height)).ToArray();
texture.Apply();
// TODO: look for duplicates by checking imageContentsHash for all textures
var sprites = new Dictionary <string, Sprite>();
for (int frameIndex = 0; frameIndex < file.frames.Count; frameIndex++)
{
var frame = file.frames[frameIndex];
var sprite = Sprite.Create(texture, rects[frameIndex], new Vector2(0.5f, 0.5f));
sprite.name = $"{frame.animation.name}.{frame.order:D03}";
ctx.AddObjectToAsset(frame.id, sprite);
sprites[frame.id] = sprite;
}
ctx.AddObjectToAsset("_atlas", texture);
var pixelArt = PixelArt.Create(
file.animations.Select(a => new PixelArtAnimation(
a.name,
file.frames.Where(f => f.animation == a).OrderBy(f => f.order).Select(f => new PixelArtAnimationFrame {
sprite = sprites[f.id]
}).ToArray()
)).ToArray(),
defaultAnimationIndex);
var defaultFrame = file.frames.Where(f => f.animation == file.animations[defaultAnimationIndex]).OrderBy(f => f.order).First();
#if false
var go = new GameObject();
var sr = go.AddComponent <SpriteRenderer>();
sr.sprite = sprites[defaultFrame.id];;
go.name = "Prefab";
var animator = go.AddComponent <PixelArtAnimator>();
animator.PixelArt = pixelArt;
animator.layers = new SpriteRenderer[] { sr };
ctx.AddObjectToAsset("prefab", go, PAUtils.LoadImage("PixelArtIcon.psd"));
#endif
pixelArt.name = "PixelArt";
ctx.AddObjectToAsset("pixelArt", pixelArt, PAUtils.LoadImage("PixelArtIcon.psd"));
//ctx.AddObjectToAsset("main", pixelArt, file.RenderFrame(file.frames[0]));
ctx.SetMainObject(pixelArt);
}
public override void OnEnable()
{
base.OnEnable();
layerMode = serializedObject.FindProperty("layerMode");
defaultAnimationIndex = serializedObject.FindProperty("defaultAnimationIndex");
_file = PAFile.Load((target as PixelArtImporter).assetPath);
_animationNames = _file.animations.Select(a => a.name).ToArray();
}