public override void OnImportAsset(AssetImportContext ctx)
{
if (ctx == null)
{
return;
}
var path = ctx.assetPath;
Debug.Log($"Importing File {path}");
var fileInfo = new FileInfo(path);
//file import helper
_fileData = MultiLayerFileFactory.CreteFileFromPath(path);
// Register root prefab that will be visible in project window instead of file
switch (textureType)
{
case TextureType.Default:
DefaultImport(ctx);
break;
case TextureType.Sprite:
SpriteImport(ctx);
break;
default:
throw new ArgumentOutOfRangeException();
}
}
/// <summary> add layers as atlas </summary>
private Texture2D CreateAtlas(
MultiLayerImageFileData multiLayerImageFileData, out List <Sprite> sprites)
{
var textures = multiLayerImageFileData.GetLayers();
var atlasTexture = CrateAtlasTexture(textures, out var rects);
var fileName = multiLayerImageFileData.GetFileName();
sprites = new List <Sprite>();
for (var i = 0; i < rects.Length; i++)
{
var rect = rects[i];
var sprite = CreateAtlasSprite(atlasTexture, rect);
// sprites
sprite.name = multiLayerImageFileData.GetTextureName(textures[i]);
sprites.Add(sprite);
}
atlasTexture.name = fileName;
return(atlasTexture);
}
