117 lines
4.5 KiB
C#
117 lines
4.5 KiB
C#
using System;
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using System.Threading.Tasks;
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using UnityEngine;
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using BaseGames.Core;
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using BaseGames.Core.Events;
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using BaseGames.Core.Save;
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namespace BaseGames.World
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{
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/// <summary>
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/// 存档点（也是复活点）。
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/// 玩家互动后：恢复 HP → 写入存档（场景、出生点 ID、世界状态）→ 广播激活事件。
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/// 传送点（快速旅行面板）是独立的 TeleportStation 组件，不在此处处理。
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///
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/// 继承 SaveableMonoBehaviour 以自动向 ISaveableRegistry 注册/注销，
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/// 确保 GameSaveManager 在 SaveAsync/LoadAsync 时回调本组件。
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///
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/// OnSave 仅在 _isActivated=true 时写入复活字段，
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/// 防止自动存档期间未激活的存档点覆盖玩家的正确复活位置。
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/// </summary>
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public class SavePoint : SaveableMonoBehaviour, IInteractable
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{
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[Header("Config")]
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[SerializeField] private string _savePointId;
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[SerializeField] private bool _restoreSpring = true;
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[Header("Event Channels - Listen")]
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[Tooltip("EVT_SceneLoaded — 用于追踪当前场景名，写入 Player.Scene")]
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[SerializeField] private StringEventChannelSO _onSceneLoaded;
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[Header("Event Channels - Raise")]
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[SerializeField] private StringEventChannelSO _onSavePointActivated;
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private bool _isActivated;
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private string _currentSceneName;
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private readonly CompositeDisposable _subs = new();
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protected override void OnEnable()
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{
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base.OnEnable(); // 向 ISaveableRegistry 注册，确保 OnSave/OnLoad 被回调
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_onSceneLoaded?.Subscribe(OnSceneLoaded).AddTo(_subs);
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}
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protected override void OnDisable()
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{
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base.OnDisable(); // 从 ISaveableRegistry 注销
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_subs.Clear();
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}
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private void OnSceneLoaded(string sceneName) => _currentSceneName = sceneName;
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// ── IInteractable ──────────────────────────────────────────────────────
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public bool CanInteract => true;
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public string InteractPrompt => _isActivated ? "休息" : "激活";
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public void Interact(Transform player)
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{
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_isActivated = true;
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var restorer = player.GetComponentInChildren<IRestoreOnSave>();
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if (restorer != null)
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{
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restorer.FullRestore();
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if (_restoreSpring) restorer.RestoreSpring();
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}
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_onSavePointActivated?.Raise(_savePointId);
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// 触发存档：OnSave() 由 SaveAsync 回调所有 ISaveable，包含本组件
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var svc = ServiceLocator.GetOrDefault<ISaveService>();
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if (svc != null)
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RunFireAndForget(svc.SaveAsync(svc.ActiveSlot));
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else
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Debug.LogWarning("[SavePoint] ISaveService 未注册，跳过存档。", this);
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}
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public void OnPlayerEnterRange(Transform player) { }
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public void OnPlayerExitRange() { }
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// ── ISaveable（通过 SaveableMonoBehaviour 注册）────────────────────────
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public bool IsActivated => _isActivated;
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public void SetActivated(bool val) => _isActivated = val;
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public override void OnSave(SaveData data)
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{
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// 仅在本存档点已激活（玩家坐过）时更新复活字段。
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// 自动存档也会触发此方法，必须守卫以防止覆盖玩家真正的复活位置。
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if (!_isActivated) return;
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if (!string.IsNullOrEmpty(_currentSceneName))
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data.Player.Scene = _currentSceneName;
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if (!string.IsNullOrEmpty(_savePointId))
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data.Meta.SavePointId = _savePointId;
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if (!string.IsNullOrEmpty(_savePointId)
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&& !data.World.ActivatedSavePoints.Contains(_savePointId))
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data.World.ActivatedSavePoints.Add(_savePointId);
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}
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public override void OnLoad(SaveData data)
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{
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_isActivated = !string.IsNullOrEmpty(_savePointId)
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&& data.World.ActivatedSavePoints.Contains(_savePointId);
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}
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private static async void RunFireAndForget(Task task)
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{
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try { await task; }
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catch (Exception e)
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{
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Debug.LogError($"[SavePoint] 存档失败: {e.Message}\n{e.StackTrace}");
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}
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}
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}
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}
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