void OnPreprocessTexture()
{
Debug.Log("SpriteSheetImporter::OnPreprocessTexture " + assetPath);
if (!(assetPath.StartsWith(ImagePrefix) && assetPath.Contains("sheet")))
{
return;
}
LoadTextureJson();
var path = assetPath.Replace(ImagePrefix, "");
string dirname = BaseUtils.GetDirname(path);
if (!textureJson.Keys.Contains(dirname))
{
return;
}
var sheetDef = textureJson [dirname];
var isPacked = false;
foreach (var key in sheetDef.Keys)
{
var spriteDef = sheetDef [key];
var src = string.Format("{0}/{1}", dirname, spriteDef ["src"].Value);
if (path == src)
{
isPacked = true;
break;
}
}
if (!isPacked)
{
return;
}
Debug.Log("Importing spritesheet..." + assetPath);
UpdateTextureImporter(sheetDef, (TextureImporter)assetImporter, path, dirname);
}