public string GetHash()
{
if (type == AssetType.Builtin)
{
return("0000000000");
}
else
{
return(AssetBundleUtils.GetFileHash(file.FullName));
}
}
/// <summary>
/// Texture
/// AudioClip
/// Mesh
/// Model
/// Shader
/// 这些类型的Asset的一配置是放在.meta中的，所以要监视它们的变化
/// 而在5x中系统会自己处理的，不用管啦
/// </summary>
void LoadMetaHashIfNecessary()
{
bool needLoad = false;
if (typeof(Texture).IsInstanceOfType(asset) ||
typeof(AudioClip).IsInstanceOfType(asset) ||
typeof(Mesh).IsInstanceOfType(asset) ||
typeof(Shader).IsInstanceOfType(asset))
{
needLoad = true;
}
if (!needLoad)
{
AssetImporter importer = AssetImporter.GetAtPath(assetPath);
needLoad = typeof(ModelImporter).IsInstanceOfType(importer);
}
if (needLoad)
{
_metaHash = AssetBundleUtils.GetFileHash(assetPath + ".meta");
}
}