/// <summary>
/// 根据ab包和资源名获取一个资源
/// </summary>
/// <param name="bundleName"></param>
/// <param name="assetName"></param>
/// <returns></returns>
internal IEnumerator GetAssetAsync(string bundleName, string assetName, AsyncOperationHandle handle)
{
if (string.IsNullOrWhiteSpace(bundleName))
{
var assetInfoDto = AssetInfoDtoList.FirstOrDefault(a => a.AssetName == assetName);
if (assetInfoDto != null)
{
bundleName = assetInfoDto.AssetBundleName;
}
else
{
Debug.LogError($"没有找到资源:{assetName}对应的包名");
yield break;
}
}
AssetBundleInfoDto bundleInfoDto = GetBundleInfoDto(bundleName);
if (!_alreadyLoadDic.ContainsKey(bundleName))
{
if (bundleInfoDto != null)
{
yield return(GameApp.Instance.StartCoroutine(LoadAssetBundleAsync(bundleInfoDto)));
}
else
{
Debug.LogError($"没有找到资源:{bundleName}包");
yield break;
}
}
AssetBundle assetBundle = _alreadyLoadDic[bundleName];
handle.Result = assetBundle.LoadAsset(assetName);
}
internal Object GetAsset(string bundleName, string assetName)
{
if (string.IsNullOrWhiteSpace(bundleName))
{
var assetInfoDto = AssetInfoDtoList.FirstOrDefault(a => a.AssetName == assetName);
if (assetInfoDto != null)
{
bundleName = assetInfoDto.AssetBundleName;
}
else
{
Debug.LogError($"没有找到资源:{assetName}对应的包名");
return(null);
}
}
AssetBundleInfoDto bundleInfoDto = GetBundleInfoDto(bundleName);
if (!_alreadyLoadDic.ContainsKey(bundleName))
{
if (bundleInfoDto != null)
{
LoadAssetBundle(bundleInfoDto);
}
else
{
Debug.LogError($"没有找到资源:{bundleName}包");
return(null);
}
}
AssetBundle assetBundle = _alreadyLoadDic[bundleName];
return(assetBundle.LoadAsset(assetName));
}
private void LoadAssetBundle(AssetBundleInfoDto bundleInfoDto)
{
AssetBundle assetBundle = AssetBundle.LoadFromFile(AssetBundlePath + "/" + bundleInfoDto.AssetBundleName);
bundleInfoDto.LastUseTime = DateTime.Now;
_alreadyLoadDic.Add(bundleInfoDto.AssetBundleName, assetBundle);
foreach (var item in bundleInfoDto.Dependencies)
{
if (!_alreadyLoadDic.ContainsKey(item))
{
AssetBundleInfoDto temp = GetBundleInfoDto(item);
if (temp != null)
{
LoadAssetBundle(temp);
}
}
}
}
private IEnumerator LoadAssetBundleAsync(AssetBundleInfoDto bundleInfoDto)
{
AssetBundleCreateRequest request = AssetBundle.LoadFromFileAsync(AssetBundlePath + "/" + bundleInfoDto.AssetBundleName);
yield return(request);
bundleInfoDto.LastUseTime = DateTime.Now;
_alreadyLoadDic.Add(bundleInfoDto.AssetBundleName, request.assetBundle);
foreach (var item in bundleInfoDto.Dependencies)
{
if (!_alreadyLoadDic.ContainsKey(item))
{
AssetBundleInfoDto temp = GetBundleInfoDto(item);
if (temp != null)
{
yield return(GameApp.Instance.StartCoroutine(LoadAssetBundleAsync(temp)));
}
}
}
}
