/// <summary>
/// 创建请求信息
/// </summary>
/// <param name="onCreateAssetBundle">请求回调 多次请求对应多个回调</param>
/// <returns></returns>
public int CreateBundleRequest(int requestId, OnCreateAssetBundle onCreateAssetBundle)
{
if (requestId == 0)
{
requestId = ResourceUtils.GetRequestId();
}
LoadBundleRequestInfo loadBundleRequestInfo = GetTempLoadBundleRequestInfo();
loadBundleRequestInfo.requestId = requestId;
loadBundleRequestInfo.onCreateAssetBundle = onCreateAssetBundle;
loadBundleRequestInfoList.Add(loadBundleRequestInfo);
return(requestId);
}
/// <summary>
/// 异步加载bundle
/// </summary>
/// <param name="bundleName">bundle路径</param>
/// <param name="onCreateAssetBundle">加载成功后的回调 取消加载后将回调将失效</param>
/// <returns></returns>
public static int CreateAssetBundleAsync(int requestId, string bundleName, OnCreateAssetBundle onCreateAssetBundle)
{
// 回调不存在不允加载
if (onCreateAssetBundle == null)
{
return(0);
}
LoadBundleInfo loadBundleInfo = GetLoadBundleInfo(bundleName);
if (loadBundleInfo == null)
{
loadBundleInfo = GetTempLoadBundleInfo();
_loadBundleInfoList.Add(bundleName, loadBundleInfo);
loadBundleInfo.bundleName = bundleName;
EnterLoadWait(loadBundleInfo);
}
requestId = loadBundleInfo.CreateBundleRequest(requestId, onCreateAssetBundle);
// 未请求
if (loadBundleInfo.step == LoadBundleStep.LoadWait)
{
// 1 获取依赖列表
List <string> dependencies = BundleDependencies.GetAssetBundleDependencies(bundleName);
// 2 递归请求加载
if (dependencies != null && dependencies.Count > 0)
{
foreach (string tempBundleName in dependencies)
{
CreateAssetBundleAsync(requestId, tempBundleName, (string tBundleName, AssetBundle tAssetBundle, int tRequestId) => {
// 回调返回会增加引用 所以这里直接释放
ReferenceBundle.ReleaseBundle(tBundleName);
});
}
}
// 3 正加载列表
List <LoadBundleInfo> loadingBundleInfoList = GetLoadBundleStateList(LoadBundleStep.Loading);
if (loadingBundleInfoList.Count < _frameLoadMaxCount)
{
LoadAssetBundle(loadBundleInfo);
}
}
return(requestId);
}