// Start is called before the first frame update
void Start()
{
itr = this.GetComponent <IndexedTextureAnimator>();
}
public override void OnImportAsset(AssetImportContext ctx)
{
IndexedTextureData texture = ParseLBM.ImportFile(ctx.assetPath);
{
texture.pixelsPerUnit = pixelsPerUnit;
texture.indexedImage.name = "Indexed image";
ctx.AddObjectToAsset("Indexed image", texture.indexedImage);
texture.pallete.name = "Pallete";
ctx.AddObjectToAsset("Palette", texture.pallete);
if (ignoreFirstAnimation)
{
texture.animations.RemoveAt(0);
}
texture.name = "texture data";
ctx.AddObjectToAsset("texture data", texture);
texture.image.name = "Color image";
ctx.AddObjectToAsset("image", texture.image);
}
Sprite sprite = Sprite.Create(texture.image, new Rect(0, 0, texture.width, texture.height), new Vector2(1f / 2, 1f / 2), pixelsPerUnit);
{
sprite.name = "Sprite";
ctx.AddObjectToAsset("Sprite", sprite);
}
// Atlas - image for segmentation
if (generatePNG)
{
// adds a secondary image for segmentation
string filename = Path.GetFileNameWithoutExtension(ctx.assetPath);
string imagepath = Path.GetDirectoryName(ctx.assetPath) + "\\" + filename + "-atlas.png";
File.WriteAllBytes(imagepath, texture.image.EncodeToPNG());
// Create image metadata
// TODO FIX: this is not called the first time, as the image might still be under creation
TextureImporter ti = (TextureImporter)TextureImporter.GetAtPath(imagepath);
if (ti)
{
ti.textureType = TextureImporterType.Sprite;
ti.spritePixelsPerUnit = pixelsPerUnit;
ti.spriteImportMode = SpriteImportMode.Multiple;
ti.filterMode = FilterMode.Point;
var spriteData = new SpriteMetaData[1];
spriteData[0] = new SpriteMetaData();
spriteData[0].pivot = new Vector2(1f / 2, 1f / 2);
spriteData[0].rect = new Rect(0, 0, texture.width, texture.height);
spriteData[0].name = "sprite";
ti.spritesheet = spriteData;
AssetDatabase.ImportAsset(imagepath, ImportAssetOptions.ForceUpdate);
}
}
var prefab = new GameObject();
{
var material = new Material(Shader.Find("Sprites/IndexedPallete"));
{
material.name = "Material";
material.SetTexture("_Indexed", texture.indexedImage);
material.SetTexture("_Pallete", texture.pallete);
ctx.AddObjectToAsset("material", material);
}
SpriteRenderer renderer = prefab.AddComponent <SpriteRenderer>();
{
renderer.sprite = sprite;
renderer.material = material;
}
IndexedTextureAnimator itr = prefab.AddComponent <IndexedTextureAnimator>();
{
itr.texture = texture;
}
ctx.AddObjectToAsset("prefab", prefab, texture.image);
ctx.SetMainObject(prefab);
}
// Assets that are not passed into the context as import outputs must be destroyed
//DestroyImmediate(<unused>);
}
