public virtual async UniTask <GameStateMap> LoadGameAsync(string slotId)
{
if (string.IsNullOrEmpty(slotId) || !GameStateSlotManager.SaveSlotExists(slotId))
{
throw new Exception($"Slot '{slotId}' not found when loading '{typeof(GameStateMap)}' data.");
}
var quick = slotId.EqualsFast(LastQuickSaveSlotId);
OnGameLoadStarted?.Invoke(new GameSaveLoadArgs(slotId, quick));
if (Configuration.LoadStartDelay > 0)
{
await UniTask.Delay(TimeSpan.FromSeconds(Configuration.LoadStartDelay));
}
Engine.Reset();
await Resources.UnloadUnusedAssets();
var state = await GameStateSlotManager.LoadAsync(slotId);
await LoadAllServicesFromStateAsync <IStatefulService <GameStateMap>, GameStateMap>(state);
// All the serialized snapshots are expected to allow player rollback.
RollbackStack?.OverrideFromJson(state.RollbackStackJson, s => s.AllowPlayerRollback());
for (int i = onGameDeserializeTasks.Count - 1; i >= 0; i--)
{
await onGameDeserializeTasks[i](state);
}
OnGameLoadFinished?.Invoke(new GameSaveLoadArgs(slotId, quick));
return(state);
}
public async UniTask <GameStateMap> QuickSaveAsync()
{
// Free first quick save slot by shifting existing ones by one.
for (int i = Configuration.QuickSaveSlotLimit; i > 0; i--)
{
var curSlotId = Configuration.IndexToQuickSaveSlotId(i);
var prevSlotId = Configuration.IndexToQuickSaveSlotId(i + 1);
GameStateSlotManager.RenameSaveSlot(curSlotId, prevSlotId);
}
// Delete the last slot in case it's out of the limit.
var outOfLimitSlotId = Configuration.IndexToQuickSaveSlotId(Configuration.QuickSaveSlotLimit + 1);
if (GameStateSlotManager.SaveSlotExists(outOfLimitSlotId))
{
GameStateSlotManager.DeleteSaveSlot(outOfLimitSlotId);
}
var firstSlotId = string.Format(Configuration.QuickSaveSlotMask, 1);
return(await SaveGameAsync(firstSlotId));
}
/// <summary>
/// Loads game state from the specified save slot.
/// Will reset the engine services and unload unused assets before load.
/// </summary>
public async Task <GameStateMap> LoadGameAsync(string slotId)
{
if (string.IsNullOrEmpty(slotId) || !GameStateSlotManager.SaveSlotExists(slotId))
{
Debug.LogError($"Slot '{slotId}' not found when loading '{typeof(GameStateMap)}' data.");
return(null);
}
var quick = slotId.EqualsFast(LastQuickSaveSlotId);
OnGameLoadStarted?.Invoke(new GameSaveLoadArgs(slotId, quick));
if (config.LoadStartDelay > 0)
{
await new WaitForSeconds(config.LoadStartDelay);
}
Engine.Reset();
await Resources.UnloadUnusedAssets();
var state = await GameStateSlotManager.LoadAsync(slotId) as GameStateMap;
await LoadAllServicesFromStateAsync <IStatefulService <GameStateMap>, GameStateMap>(state);
if (config.StateRollbackMode == StateRollbackMode.Full && config.SavedRollbackSteps > 0)
{
rollbackStateStack.OverrideFromJson(state.RollbackStackJson);
}
foreach (var task in onGameDeserializeTasks)
{
await task(state);
}
OnGameLoadFinished?.Invoke(new GameSaveLoadArgs(slotId, quick));
return(state);
}