private SceneTransition SetupTransition(SceneTransition transition, SceneTransition.Directions direction)
{
transition = (transition == null) ? EmptyTransition.Create() : transition;
transition.Direction = direction;
transition.gameObject.name += direction.ToString();
transition.gameObject.SetActive(false);
transition.Transform.parent = this.Transform;
return(transition);
}
private void DestroyNavigationElements(SceneTransition transitionOut, SceneTransition transitionIn, LoadingIndicator progressIndicator)
{
if (transitionOut)
{
GameObject.Destroy(transitionOut.gameObject);
transitionOut = null;
}
if (transitionIn)
{
GameObject.Destroy(transitionIn.gameObject);
transitionIn = null;
}
if (progressIndicator)
{
GameObject.Destroy(progressIndicator.gameObject);
progressIndicator = null;
}
}
private IEnumerator RunTransitionIn(
SceneController sceneController,
SceneTransition transitionOut,
SceneTransition transitionIn,
LoadingIndicator loader
)
{
transitionIn.OnSceneWillTransitionIn(sceneController, transitionIn);
transitionOut.OnSceneWillTransitionIn(sceneController, transitionIn);
loader.OnSceneWillTransitionIn(sceneController, transitionIn);
if (sceneController)
{
sceneController.OnSceneWillTransitionIn(sceneController, transitionIn);
}
if (this.OnSceneWillTransitionIn != null)
{
this.OnSceneWillTransitionIn(sceneController, transitionIn);
}
yield return(StartCoroutine(transitionIn.Run()));
this.State = SceneNavigator.States.Ready;
if (this.OnSceneDidTransitionIn != null)
{
this.OnSceneDidTransitionIn(sceneController, transitionIn);
}
if (sceneController)
{
sceneController.OnSceneDidTransitionIn(sceneController, transitionIn);
}
loader.OnSceneDidTransitionIn(sceneController, transitionIn);
transitionOut.OnSceneDidTransitionIn(sceneController, transitionIn);
transitionIn.OnSceneDidTransitionIn(sceneController, transitionIn);
}
/*
* public void NavigateToScene(string sceneName) {
* NavigateToScene(sceneName, null, true);
* }
*
* public void NavigateToScene(string sceneName, bool unloadCurrentScene) {
* NavigateToScene(sceneName, null, unloadCurrentScene);
* }
*
* public void NavigateToScene(string sceneName, LoadingIndicator progressIndicator) {
* NavigateToScene(sceneName, progressIndicator, true);
* }
*
* public void NavigateToScene(string sceneName, LoadingIndicator progressIndicator, bool unloadCurrentScene) {
* NavigateToScene(sceneName, FadeTransition.Create(), FadeTransition.Create(), progressIndicator, unloadCurrentScene);
* }
*
* public void NavigateToScene(string sceneName, SceneTransition transitionOut, SceneTransition transitionIn) {
* NavigateToScene(sceneName, transitionOut, transitionIn, null, true);
* }
*
* public void NavigateToScene(string sceneName, SceneTransition transitionOut, SceneTransition transitionIn, bool unloadCurrentScene) {
* NavigateToScene(sceneName, transitionOut, transitionIn, null, unloadCurrentScene);
* }
*
* public void NavigateToScene(string sceneName, SceneTransition transitionOut, SceneTransition transitionIn, LoadingIndicator progressIndicator) {
* NavigateToScene(sceneName, transitionOut, transitionIn, progressIndicator, true);
* }
*
* public void NavigateToScene(string sceneName, SceneTransition transitionOut, SceneTransition transitionIn, LoadingIndicator progressIndicator, bool unloadCurrentScene) {
* NavigateToScene(sceneName, transitionOut, transitionIn, progressIndicator, unloadCurrentScene, unloadCurrentScene);
* }
*/
public void NavigateToScene(
SceneReference sceneReference,
SceneTransition transitionOut,
SceneTransition transitionIn,
LoadingIndicator progressIndicator,
bool unloadCurrentScene,
bool unloadUnusedAssets
)
{
if (this.CurrentScene.Equals(sceneReference))
{
DestroyNavigationElements(transitionOut, transitionIn, progressIndicator);
Debug.LogWarning(string.Format(
"SceneNavigator : NavigateToScene \"{0}\" aborted because it is the current scene.",
sceneReference.ScenePath
));
return;
}
if (this.IsBusy)
{
DestroyNavigationElements(transitionOut, transitionIn, progressIndicator);
Debug.LogWarning(string.Format(
"SceneNavigator : NavigateToScene \"{0}\" aborted because a navigation is already in progress.",
sceneReference.ScenePath
));
return;
}
StartCoroutine(RunNavigateToScene(
sceneReference,
transitionOut,
transitionIn,
progressIndicator,
unloadCurrentScene,
unloadUnusedAssets
));
}
virtual public void OnSceneDidTransitionIn(SceneController sceneController, SceneTransition transition)
{
}
//
// ISceneTransitionObserver
//
virtual public void OnSceneWillTransitionOut(SceneController sceneController, SceneTransition transition)
{
}
virtual public void OnSceneDidTransitionIn(SceneController sceneController, SceneTransition transition)
{
Destroy(this.gameObject);
}
override public void OnSceneWillTransitionIn(SceneController sceneController, SceneTransition transition)
{
if (this.Direction == SceneTransition.Directions.In)
{
if (sceneController)
{
sceneController.Content.SetActive(true);
}
if (this.PreviousSceneController)
{
this.PreviousSceneController.Content.SetActive(false);
}
}
else
{
gameObject.SetActive(false);
}
}
//
// ISceneTransitionObserver
//
override public void OnSceneDidTransitionOut(SceneController sceneController, SceneTransition transition)
{
if (this.Direction == SceneTransition.Directions.In)
{
gameObject.SetActive(true);
if (sceneController)
{
this.PreviousSceneController = sceneController;
}
}
}
//
// ISceneTransitionObserver
//
override public void OnSceneDidTransitionOut(SceneController sceneController, SceneTransition transition)
{
if (this.Direction == SceneTransition.Directions.In)
{
gameObject.SetActive(true);
}
if (sceneController)
{
sceneController.Content.SetActive(false);
}
}
//
// Scene Navigation
//
private IEnumerator RunNavigateToScene(
SceneReference sceneReference,
SceneTransition transitionOut,
SceneTransition transitionIn,
LoadingIndicator loader,
bool unloadCurrentScene,
bool unloadUnusedAssets
)
{
this.State = SceneNavigator.States.Busy;
this.TargetScene = sceneReference;
LoadScene(this.TargetScene, true);
transitionIn = SetupTransition(transitionIn, SceneTransition.Directions.In);
transitionOut = SetupTransition(transitionOut, SceneTransition.Directions.Out);
loader = SetupLoadingIndicator(loader);
SceneController prevSceneController;
prevSceneController = this.CurrentSceneController;
yield return(StartCoroutine(RunTransitionOut(prevSceneController, transitionOut, transitionIn, loader)));
yield return(StartCoroutine(AwaitSceneLoadComplete(sceneReference)));
this.PreviousScene = this.CurrentScene;
this.CurrentScene = this.TargetScene;
SceneController nextSceneController;
nextSceneController = this.CurrentSceneController;
if (nextSceneController == null)
{
throw new System.InvalidOperationException(string.Format(
"SceneNavigator : Scene \"{0}\" was loaded but did not register with SceneNavigator.",
sceneReference.ScenePath
));
}
// April 7, 2016
//
// We're moving scene unloading from after the next scene transitions in to between the transition in
// and transition out. This solves some issues with load times caused by UnloadUnusedAssets() fighting
// with things being loaded by the next scene.
//
// IMPORTANT: Moving the unloading prevents us from creating transitions where the scenes
// overlap (like cross-fading between scenes), which should be find because we've never
// actually implemented a transition that requires both scenes to exist.
if (prevSceneController && unloadCurrentScene)
{
yield return(UnloadScene(prevSceneController.Scene, unloadUnusedAssets));
}
if (this.OnWillNavigateToScene != null)
{
this.OnWillNavigateToScene(nextSceneController);
}
nextSceneController.Content.SetActive(true);
yield return(StartCoroutine(AwaitSceneReady(nextSceneController)));
SceneManager.SetActiveScene(nextSceneController.gameObject.scene);
yield return(StartCoroutine(RunTransitionIn(nextSceneController, transitionOut, transitionIn, loader)));
if (this.OnDidNavigateToScene != null)
{
this.OnDidNavigateToScene(nextSceneController);
}
}