private IEnumerator LoadSceneAsyncCoroutine(SceneLoadAsyncPlan loadPlan)
{
var asyncOperation = SceneManager.LoadSceneAsync(loadPlan.sceneName, loadPlan.loadSceneMode);
loadPlan.LoadStart(asyncOperation); //更新状态
asyncOperation.allowSceneActivation = loadPlan.allowSceneActivation;
while (!asyncOperation.isDone)
{
loadPlan.InvokeProgress(asyncOperation.progress);
if (!loadPlan.allowSceneActivation && asyncOperation.progress >= 0.9f)
{
//这时候异步加载的工作已经完成了（虽然还没加载完），要把OnFinish回调出去
loadPlan.InvokeFinishIfNotActivation();
}
yield return(null);
}
if (asyncOperation.isDone)
{
loadPlan.InvokeFinishOnTrueDone();
//从计划列表中拿掉自己
if (mAsyncLoadPlanPool.Contains(loadPlan))
{
mAsyncLoadPlanPool.Remove(loadPlan);
}
yield break;
}
}
//private async UniTask OpenSceneAsyncWithCallback(string scene_name, Action finishCallback, LoadSceneMode loadSceneMode = LoadSceneMode.Single)
//{
// await SceneManager.LoadSceneAsync(scene_name, loadSceneMode);
// if (finishCallback != null)
// {
// finishCallback();
// }
//}
/// <summary>
///
/// </summary>
/// <param name="scene_name">场景名</param>
/// <param name="loadSceneMode">加载模式</param>
/// <param name="allowSceneActivation">允许在场景准备就绪后立即激活场景。</param>
/// <param name="onFinishCallback">加载结束回调</param>
/// <param name="onProgressCallback">加载过程进度回调</param>
private void OpenSceneAsyncWithRxCoroutine(string scene_name,
LoadSceneMode loadSceneMode = LoadSceneMode.Single,
bool allowSceneActivation = true,
Action <SceneLoadAsyncPlan> onFinishCallback = null,
Action <float> onProgressCallback = null)
{
//判断是否已经在加载
var flag = false;
for (int i = 0; i < mAsyncLoadPlanPool.Count; i++)
{
if (mAsyncLoadPlanPool[i].sceneName == scene_name)
{
flag = true;
//欸呀呀，已经正在加载它了呀w(ﾟДﾟ)w
if (onFinishCallback != null)
{
mAsyncLoadPlanPool[i].AddFinishCallback(onFinishCallback);
} //以callback之名起誓：等它加载好了顺便告诉我一声哦
if (onProgressCallback != null)
{
mAsyncLoadPlanPool[i].AddLoadProgressCallback(onProgressCallback);
} //ね ね ， 顺便把加载进度告诉我呗
break;
}
}
if (!flag)
{
//创建一个计划
var loadPlan = new SceneLoadAsyncPlan(
_scene_name: scene_name,
_loadSceneMode: loadSceneMode,
_allowSceneActivation: allowSceneActivation,
_onFinishCallback: onFinishCallback,
_onProgressCallback: onProgressCallback
);
//把计划加入到pool
if (!mAsyncLoadPlanPool.Contains(loadPlan))
{
mAsyncLoadPlanPool.Add(loadPlan);
}
//启动一个协程去加载它呀
MainThreadDispatcher.StartUpdateMicroCoroutine(LoadSceneAsyncCoroutine(loadPlan));
}
}