private void OnTriggerEnter(Collider other)
{
AsyncOperation operation = CustomSceneManager.LoadScene(sceneToLoad);
if (operation != null)
{
StartCoroutine(WaitForOperation(operation, sceneToLoad));
}
CustomSceneManager.UnloadScene(sceneToUnload);
Destroy(this);
}
//save all of our games data in one go.
public void SaveJson()
{
//get the loaded scenes from the scene manager.
string[] loaded = CustomSceneManager.GetLoadedScenes();
if (loaded.Length == 0) //if we have no scenes loaded, just set some random ones for testing purposes.
{
loaded = new string[] { "hello", "world", "12345Scene" };
}
//set up some fake player data to save.
PlayerSaveData data = new PlayerSaveData()
{
loadedScenes = loaded,
x = 1,
y = 2,
z = 5
};
//get the JSON string, looks something like this:
// {
// "loadedScenes": [
// "hello",
// "world",
// "12345Scene"
// ],
// "x": 1.0,
// "y": 2.0,
// "z": 5.0
// }
string save = JsonUtility.ToJson(data, true);
//get the file path. this is at CurrentUser/AppData/LocalLow/Company/Product/saveFile.sf
//Company and Product are set by us in the Project Settings / Player.
string filePath = Path.Combine(Application.persistentDataPath, "saveFile.sf");
//Open the File: Create a new one
FileStream stream = File.Open(filePath, FileMode.Create);
//We need a byte array to actually write anything to our FileStream, we get this from standard UTF8 encoding
//? What is UTF8? https://en.wikipedia.org/wiki/UTF-8
//! A lot of modern websites use UTF-8 Encoding since it has support for a pretty wide variety of characters :)
byte[] buffer = Encoding.UTF8.GetBytes(save);
//Write the entire buffer array to the stream.
stream.Write(buffer, 0, buffer.Length);
//Flush the stream. This is essential to "dumping" all the data from the RAM that C# uses into the storage on the harddrive.
stream.Flush();
//Dispose the stream, this can be simplified when utilizing a using block: https://docs.microsoft.com/en-us/dotnet/csharp/language-reference/keywords/using-statement
stream.Dispose();
}
//Save the scenes manually, and ONLY the scenes.
public void SaveScenes()
{
string[] loadedScenes = CustomSceneManager.GetLoadedScenes();
if (loadedScenes.Length == 0)
{
loadedScenes = new string[] { "hello", "world", "12345Scene" };
}
//the file path in appdata/locallow/company/product
string filePath = Path.Combine(Application.persistentDataPath, "saveFile.sf");
//Open or override the file
FileStream stream = File.Open(filePath, FileMode.Create);
foreach (string scene in loadedScenes)
{
byte[] buffer = Encoding.UTF8.GetBytes($"{scene}|");
stream.Write(buffer, 0, buffer.Length);
}
stream.Flush();
stream.Dispose();
}
IEnumerator Preload()
{
//make sure the loading screen is all active and opaque.
faderGroup.alpha = 1;
loadingScreen.SetActive(true);
//list of all done operations, only required if activateAllTogether
List <AsyncOperation> operations = new List <AsyncOperation>();
//load all the scenes in the array.
foreach (string scene in scenesToLoad)
{
//start the async operation.
var operation = CustomSceneManager.LoadScene(scene);
operations.Add(operation);
//allow scene activation => not activateAllTogether (false => allowSceneActivation = true, vice versa)
operation.allowSceneActivation = !activateAllTogether;
//repeat these while it's still loading.
while (!operation.isDone)
{
//Update the screen.
UpdateScreen(operation, scene);
//operations get halted at 0.9f because unity.
if (activateAllTogether && operation.progress >= 0.9f)
{
break;
}
//next frame.
yield return(null);
}
}
//all scenes have been loaded, but arent active yet.
if (activateAllTogether)
{
foreach (var op in operations)
{
op.allowSceneActivation = true;
}
}
}
