这是第一个 Unity 开放项目的repo,是 Unity 和社区合作创建的一个小型开源游戏演示,第一款游戏是一款名为 Chop Chop 的动作冒险游戏。
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105 行
2.6 KiB

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.AddressableAssets;
using UnityEngine.ResourceManagement.AsyncOperations;
public class SaveSystem : ScriptableObject
{
[SerializeField] private LoadEventChannelSO _loadLocation = default;
[SerializeField] private InventorySO _playerInventory = default;
[SerializeField]
private QuestManagerSO _questManagerSO = default;
public string saveFilename = "save.chop";
public string backupSaveFilename = "save.chop.bak";
public Save saveData = new Save();
void OnEnable()
{
_loadLocation.OnLoadingRequested += CacheLoadLocations;
}
void OnDisable()
{
_loadLocation.OnLoadingRequested -= CacheLoadLocations;
}
private void CacheLoadLocations(GameSceneSO locationToLoad, bool showLoadingScreen, bool fadeScreen)
{
LocationSO locationSO = locationToLoad as LocationSO;
if (locationSO)
{
saveData._locationId = locationSO.Guid;
}
SaveDataToDisk();
}
public bool LoadSaveDataFromDisk()
{
if (FileManager.LoadFromFile(saveFilename, out var json))
{
saveData.LoadFromJson(json);
return true;
}
return false;
}
public IEnumerator LoadSavedInventory()
{
_playerInventory.Items.Clear();
foreach (var serializedItemStack in saveData._itemStacks)
{
var loadItemOperationHandle = Addressables.LoadAssetAsync<ItemSO>(serializedItemStack.itemGuid);
yield return loadItemOperationHandle;
if (loadItemOperationHandle.Status == AsyncOperationStatus.Succeeded)
{
var itemSO = loadItemOperationHandle.Result;
_playerInventory.Add(itemSO, serializedItemStack.amount);
}
}
}
public void LoadSavedQuestlineStatus()
{
_questManagerSO.SetFinishedQuestlineItemsFromSave(saveData._finishedQuestlineItemsGUIds);
}
public void SaveDataToDisk()
{
saveData._itemStacks.Clear();
foreach (var itemStack in _playerInventory.Items)
{
saveData._itemStacks.Add(new SerializedItemStack(itemStack.Item.Guid, itemStack.Amount));
}
saveData._finishedQuestlineItemsGUIds.Clear();
foreach (var item in _questManagerSO.GetFinishedQuestlineItemsGUIds())
{
saveData._finishedQuestlineItemsGUIds.Add(item);
}
if (FileManager.MoveFile(saveFilename, backupSaveFilename))
{
if (FileManager.WriteToFile(saveFilename, saveData.ToJson()))
{
Debug.Log("Save successful");
}
}
}
public void WriteEmptySaveFile()
{
FileManager.WriteToFile(saveFilename, "");
}
public void SetNewGameData()
{
FileManager.WriteToFile(saveFilename, "");
_playerInventory.Init();
_questManagerSO.ResetQuestlines();
SaveDataToDisk();
}
}