public virtual async Task <TResult> NavigateAsPopupAsync <TResult>(SceneArgs args, IProgress <float> progress = null)
{
var resultRequirementId = Guid.NewGuid();
var taskCompletionSource = new TaskCompletionSource <object>();
if (!this._taskCompletionSourcesByResultRequirementId.TryAdd(resultRequirementId, taskCompletionSource))
{
this._logger.LogException(new NavigationFailureException("シーンをテーブルに追加できませんでした"));
return(default(TResult));
}
var activateResult = await NavigateCoreAsync(args, NavigationOption.Popup, progress);
// ここでダメな場合は既にActivateAsyncでエラーを吐いてるハズ
if (activateResult == null)
{
return(default(TResult));
}
activateResult.ActivatedScene.ResultRequirementId = resultRequirementId;
var result = await taskCompletionSource.Task;
if (!(result is TResult))
{
this._logger.LogException(new NavigationFailureException($"戻り値の型は{typeof(TResult)}を期待しましたが、{result.GetType()}が返されました"));
return(default(TResult));
}
return((TResult)result);
}
private async Task <ActivationResult> LoadAsync(SceneArgs args, NavigationOption option = NavigationOption.None, IProgress <float> progress = null)
{
var asyncOperation = SceneManager.LoadSceneAsync(args.SceneName, LoadSceneMode.Additive);
progress?.Report(0f);
while (!asyncOperation.isDone)
{
progress?.Report(asyncOperation.progress);
await Task.Delay(TimeSpan.FromSeconds(Time.fixedDeltaTime));
}
progress?.Report(1f);
var result = Activate(args, option);
// ここに来たという事は新規
result.TransitionMode |= TransitionMode.New;
if (!this._scenesByName.TryAdd(args.SceneName, result.ActivatedScene))
{
this._logger.LogException(new NavigationFailureException("シーンをテーブルに追加できませんでした"));
return(null);
}
// ロード時にCanvasの調整をする
if (this._canvasCustomizer != null)
{
this._canvasCustomizer.Customize(result.ActivatedScene.RootCanvas);
}
return(result);
}
public virtual Task NavigateAsync(SceneArgs args, IProgress <float> progress = null)
{
// 結果を待ってるシーンがあるならダメ
if (this._taskCompletionSourcesByResultRequirementId.Count > 0)
{
this._logger.LogException(new NavigationFailureException("結果を待っているシーンがあります"));
return(Task.CompletedTask);
}
return(NavigateCoreAsync(args, NavigationOption.Push, progress));
}
private async Task UnloadAsync(SceneArgs args, IProgress <float> progress = null)
{
var asyncOperation = SceneManager.UnloadSceneAsync(args.SceneName);
progress?.Report(0f);
while (!asyncOperation.isDone)
{
progress?.Report(asyncOperation.progress);
await Task.Delay(TimeSpan.FromSeconds(Time.fixedDeltaTime));
}
progress?.Report(1f);
var removedScene = default(INavigatableScene);
if (!this._scenesByName.TryRemove(args.SceneName, out removedScene))
{
this._logger.LogException(new NavigationFailureException("シーンをテーブルから削除できませんでした"));
}
}
private ActivationResult Activate(SceneArgs args, NavigationOption option = NavigationOption.None)
{
var result = new ActivationResult();
if (this._currentScene != null)
{
var currentUnityScene = SceneManager.GetSceneByName(this._currentScene.SceneArgs.SceneName);
if (!currentUnityScene.isLoaded)
{
this._logger.LogException(new NavigationFailureException("無効なシーンが設定されています"));
return(null);
}
result.DisactivatedScene = this._currentScene;
}
// シーンマネージャの方から次のSceneを取得
var nextUnityScene = SceneManager.GetSceneByName(args.SceneName);
if (!nextUnityScene.isLoaded)
{
this._logger.LogException(new NavigationFailureException("シーンの読み込みに失敗しました"));
return(null);
}
if (nextUnityScene.rootCount != 1)
{
this._logger.LogException(new NavigationFailureException("シーンのRootObjectが複数あります"));
return(null);
}
// SceneからINavigatableSceneを取得
var rootObjects = nextUnityScene.GetRootGameObjects();
if (rootObjects.Length == 0)
{
this._logger.LogException(new NavigationFailureException("RootObjectが存在しません"));
}
if (rootObjects.Length > 1)
{
this._logger.LogException(new NavigationFailureException("RootObjectが複数あります"));
}
var containsCanvases = rootObjects[0].GetComponentsInChildren <Canvas>();
if (containsCanvases.Length == 0)
{
this._logger.LogException(new NavigationFailureException("Canvasが見つかりませんでした"));
return(null);
}
var sceneBases = rootObjects[0].GetComponents <SceneBase>();
if (sceneBases.Length == 0)
{
this._logger.LogException(new NavigationFailureException("SceneBaseコンポーネントがRootObjectに存在しません"));
return(null);
}
if (sceneBases.Length > 1)
{
this._logger.LogException(new NavigationFailureException("SceneBaseコンポーネントが複数あります"));
return(null);
}
// 進む場合、新しいシーンは非表示にしておく
if (!option.HasFlag(NavigationOption.Pop))
{
rootObjects[0].SetActive(false);
}
// 次のシーンに諸々引数を渡す
var nextScene = sceneBases[0] as INavigatableScene;
nextScene.SetRootCanvas(containsCanvases[0]);
nextScene.SceneArgs = args;
nextScene.SetNavigator(this);
nextScene.SetLogger(this._logger);
if (this._currentScene != null)
{
nextScene.SetParentSceneArgs(this._currentScene.SceneArgs);
}
// 進む場合、ソートを整える
if (!option.HasFlag(NavigationOption.Pop))
{
if (this._currentScene != null)
{
nextScene.RootCanvas.sortingOrder = this._canvasOrderArranger.GetOrder(this._currentScene.RootCanvas.sortingOrder, option);
}
else
{
nextScene.RootCanvas.sortingOrder = this._canvasOrderArranger.InitialOrder;
}
}
// 次のシーンにnextSceneを設定
this._currentScene = result.ActivatedScene = nextScene;
// TransitionModeの調整
if (option.HasFlag(NavigationOption.Override))
{
result.TransitionMode |= TransitionMode.KeepCurrent;
}
if (option.HasFlag(NavigationOption.Pop))
{
result.TransitionMode |= TransitionMode.Back;
}
return(result);
}
private async Task <ActivationResult> NavigateCoreAsync(SceneArgs args, NavigationOption option = NavigationOption.None, IProgress <float> progress = null)
{
var loadingDisplay = this._loadingDisplaySelector != null?this._loadingDisplaysByOption.GetOrAdd((int)option, this._loadingDisplaySelector.SelectDisplay(option)) : null;
if (loadingDisplay != null)
{
loadingDisplay.Show();
}
ActivationResult activationResult;
if (this._scenesByName.ContainsKey(args.SceneName))
{
// 既にInitialize済みのSceneであればActivateするだけでOK
activationResult = Activate(args, option);
}
else
{
activationResult = await LoadAsync(args, option, progress);
}
// ここでダメな場合は既にActivateAsyncでエラーを吐いてるハズ
if (activationResult == null || activationResult.ActivatedScene == null)
{
return(null);
}
if (option.HasFlag(NavigationOption.Push))
{
// 新しいシーンをスタックに積む
this._navigateHistoryStack.Push(new NavigationStackElement()
{
SceneName = args.SceneName, TransitionMode = activationResult.TransitionMode
});
}
// 新しいシーンをリセットする
await activationResult.ActivatedScene.ResetAsync(args, activationResult.TransitionMode);
// 新規シーンなら初期化する
if (activationResult.TransitionMode.HasFlag(TransitionMode.New))
{
activationResult.ActivatedScene.Initialize();
}
// 新規シーンに入る
activationResult.ActivatedScene.RootObject.SetActive(true);
await activationResult.ActivatedScene.EnterAsync(activationResult.TransitionMode);
// 入ったらイベント発火
if (this.OnNavigatedAsync != null)
{
await this.OnNavigatedAsync(activationResult.ActivatedScene, activationResult.DisactivatedScene, activationResult.TransitionMode);
}
// 古いシーンから出る
if (activationResult.DisactivatedScene != null)
{
await activationResult.DisactivatedScene.LeaveAsync(activationResult.TransitionMode);
// 上に乗せるフラグが無ければ非アクティブ化
if (!option.HasFlag(NavigationOption.Override))
{
activationResult.DisactivatedScene.RootObject.SetActive(false);
}
// Popするならアンロードも行う
if (option.HasFlag(NavigationOption.Pop))
{
// 古いシーンをスタックから抜いてアンロード
var popObject = default(NavigationStackElement);
this._navigateHistoryStack.TryPop(out popObject);
await UnloadAsync(activationResult.DisactivatedScene.SceneArgs, progress);
}
}
if (loadingDisplay != null)
{
loadingDisplay.Hide();
}
return(activationResult);
}
public virtual async Task ResetAsync(SceneArgs args, TransitionMode mode)
{
}
void INavigatableScene.SetParentSceneArgs(SceneArgs args)
{
this.ParentSceneArgs = args;
}
