private IEnumerator LoadSceneAsync(SceneProperties _scene)
{
previousScene = currentScene;
currentScene = _scene;
LoadingScreenProperties _loadingScreen = null;
// if this scene have loading screen
if (_scene.isLoadingScreen)
{
// if is anything in loading screens array
if (loadingScreens.Count > 0)
{
// if scane loading screen indeks is in this array
if (_scene.loadingScreenIndex < loadingScreens.Count)
{
_loadingScreen = loadingScreens[_scene.loadingScreenIndex];
}
else // if not then set first loading screen
{
_loadingScreen = loadingScreens[0];
}
}
// if this scene is first in game dont fade out from previouse
if (previousScene.scene != null)
{
// if nextscene has loading screen fadeOut from scene
FadeOut(_loadingScreen);
yield return(new WaitForSeconds(_loadingScreen.fadeOutDuration));
}
}
// load scene asynch
AsyncOperation ao = SceneManager.LoadSceneAsync(_scene.buildIndex, _scene.loadSceneMode);
// while loading
while (!ao.isDone)
{
float progress = Mathf.Clamp01(ao.progress / 0.9f);
//Debug.Log("Loading progress: " + (progress * 100) + "%");
// if is loading screen then push there progress e.g for progress bars
if (_scene.isLoadingScreen)
{
_loadingScreen.OnLoading(progress);
}
yield return(null);
}
// if scene is loaded and has loading screen then FadeIn to scene
if (_scene.isLoadingScreen)
{
FadeIn(_loadingScreen);
}
// close opened ui when loaded new scene
if (_scene.closeAllUIScreenImmediately)
{
UIManager.Instance.CloseAllUIScreenImmediately();
}
UIDebug.PrintDebug(UIDebug.DebugType.SCENE, transform, "UISceneManager", "LoadSceneAsync", "Scene loaded build index " + _scene.buildIndex + ".");
// invoke event on loaded scene (open some new ui or something)
_scene.OnSceneLoaded();
}
private void FadeOut(LoadingScreenProperties _loadingScreen)
{
if (_loadingScreen.canvasGroup)
{
UIDebug.PrintDebug(UIDebug.DebugType.SCENE, transform, "UISceneManager", "FadeOut", "Fade out loading screen " + _loadingScreen.canvasGroup.name + ".");
StartCoroutine(_FadeOut(_loadingScreen));
}
else
{
Debug.LogWarning("Cant fade out loading screen because is not selected");
}
}
private IEnumerator _FadeOut(LoadingScreenProperties _loadingScreen)
{
if (_loadingScreen.fadeInDuration == 0)
{
_loadingScreen.canvasGroup.alpha = 1f;
yield return(null);
}
else
{
_loadingScreen.OnLoading(0f);
float lerpTime = 0f;
while (lerpTime < _loadingScreen.fadeInDuration)
{
_loadingScreen.canvasGroup.alpha = Mathf.Lerp(0f, 1f, (lerpTime / _loadingScreen.fadeInDuration));
lerpTime += Time.deltaTime;
yield return(null);
}
_loadingScreen.canvasGroup.alpha = 1f;
}
}