public virtual async UniTask <GameStateMap> LoadGameAsync(string slotId)
{
if (string.IsNullOrEmpty(slotId) || !GameSlotManager.SaveSlotExists(slotId))
{
throw new Exception($"Slot '{slotId}' not found when loading '{typeof(GameStateMap)}' data.");
}
var quick = slotId.EqualsFast(LastQuickSaveSlotId);
OnGameLoadStarted?.Invoke(new GameSaveLoadArgs(slotId, quick));
if (Configuration.LoadStartDelay > 0)
{
await UniTask.Delay(TimeSpan.FromSeconds(Configuration.LoadStartDelay));
}
Engine.Reset();
await Resources.UnloadUnusedAssets();
var state = await GameSlotManager.LoadAsync(slotId);
await LoadAllServicesFromStateAsync <IStatefulService <GameStateMap>, GameStateMap>(state);
// All the serialized snapshots are expected to allow player rollback.
RollbackStack?.OverrideFromJson(state.RollbackStackJson, s => s.AllowPlayerRollback());
await PerformOnGameDeserializeTasksAsync(state);
OnGameLoadFinished?.Invoke(new GameSaveLoadArgs(slotId, quick));
return(state);
}
public virtual async UniTask <GameStateMap> SaveGameAsync(string slotId)
{
var quick = slotId.StartsWithFast(Configuration.QuickSaveSlotMask.GetBefore("{"));
OnGameSaveStarted?.Invoke(new GameSaveLoadArgs(slotId, quick));
var state = new GameStateMap();
await scriptPlayer.SynchronizeAndDoAsync(DoSaveAfterSync);
OnGameSaveFinished?.Invoke(new GameSaveLoadArgs(slotId, quick));
return(state);
async UniTask DoSaveAfterSync()
{
state.SaveDateTime = DateTime.Now;
state.Thumbnail = cameraManager.CaptureThumbnail();
SaveAllServicesToState <IStatefulService <GameStateMap>, GameStateMap>(state);
PerformOnGameSerializeTasks(state);
state.RollbackStackJson = SerializeRollbackStack();
await GameSlotManager.SaveAsync(slotId, state);
// Also save global state on every game save.
await SaveGlobalAsync();
}
}
public virtual async UniTask <GameStateMap> QuickSaveAsync()
{
// Free first quick save slot by shifting existing ones by one.
for (int i = Configuration.QuickSaveSlotLimit; i > 0; i--)
{
var curSlotId = Configuration.IndexToQuickSaveSlotId(i);
var prevSlotId = Configuration.IndexToQuickSaveSlotId(i + 1);
GameSlotManager.RenameSaveSlot(curSlotId, prevSlotId);
}
// Delete the last slot in case it's out of the limit.
var outOfLimitSlotId = Configuration.IndexToQuickSaveSlotId(Configuration.QuickSaveSlotLimit + 1);
if (GameSlotManager.SaveSlotExists(outOfLimitSlotId))
{
GameSlotManager.DeleteSaveSlot(outOfLimitSlotId);
}
var firstSlotId = string.Format(Configuration.QuickSaveSlotMask, 1);
return(await SaveGameAsync(firstSlotId));
}
