145 lines
7.2 KiB
C#
145 lines
7.2 KiB
C#
using System.Collections;
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using UnityEngine;
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using BaseGames.Core.Events;
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using BaseGames.Core.States;
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namespace BaseGames.Core
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{
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/// <summary>
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/// 全局游戏管理器。
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/// 生命周期：Persistent → 第一个执行（DefaultExecutionOrder(-1000)）。
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/// 持有 <see cref="GameStateMachine"/> 并协调所有顶层服务。
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/// </summary>
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[DefaultExecutionOrder(-1000)]
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public class GameManager : MonoBehaviour
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{
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// ── 单例 ──────────────────────────────────────────────────────────
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public static GameManager Instance { get; private set; }
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// ── Inspector 引用 ────────────────────────────────────────────────
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[Header("Managers")]
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[SerializeField] private SettingsManager _settingsManager;
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[SerializeField] private DeathRespawnService _deathRespawnService;
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[SerializeField] private SceneService _sceneService;
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[Header("Event Channels - Listen")]
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[SerializeField] private VoidEventChannelSO _onPlayerDied;
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[SerializeField] private VoidEventChannelSO _onPauseRequested;
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[SerializeField] private VoidEventChannelSO _onResumeRequested;
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[SerializeField] private StringEventChannelSO _onBossFightStarted;
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[SerializeField] private BoolEventChannelSO _onBossFightEnded;
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[SerializeField] private VoidEventChannelSO _onDeathScreenConfirmed;
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[Header("Event Channels - Raise")]
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[SerializeField] private BaseEventChannelSO<GameStateId> _onGameStateChanged;
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[SerializeField] private VoidEventChannelSO _onPlayerRespawned;
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// ── 状态机 ────────────────────────────────────────────────────────
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private readonly GameStateMachine _fsm = new GameStateMachine();
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public GameStateId CurrentState => _fsm.CurrentStateId;
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// ──────────────────────────────────────────────────────────────────
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private void Awake()
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{
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if (Instance != null && Instance != this) { Destroy(gameObject); return; }
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Instance = this;
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DontDestroyOnLoad(gameObject);
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RegisterServices();
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RegisterStates();
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_settingsManager?.Initialize();
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_fsm.TransitionTo(GameStates.Initializing, out _);
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}
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private void OnEnable()
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{
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if (_onPlayerDied) _onPlayerDied.OnEventRaised += HandlePlayerDied;
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if (_onPauseRequested) _onPauseRequested.OnEventRaised += HandlePauseRequested;
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if (_onResumeRequested) _onResumeRequested.OnEventRaised += HandleResumeRequested;
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if (_onBossFightStarted) _onBossFightStarted.OnEventRaised += HandleBossFightStarted;
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if (_onBossFightEnded) _onBossFightEnded.OnEventRaised += HandleBossFightEnded;
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if (_onDeathScreenConfirmed) _onDeathScreenConfirmed.OnEventRaised += HandleDeathScreenConfirmed;
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}
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private void OnDisable()
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{
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if (_onPlayerDied) _onPlayerDied.OnEventRaised -= HandlePlayerDied;
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if (_onPauseRequested) _onPauseRequested.OnEventRaised -= HandlePauseRequested;
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if (_onResumeRequested) _onResumeRequested.OnEventRaised -= HandleResumeRequested;
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if (_onBossFightStarted) _onBossFightStarted.OnEventRaised -= HandleBossFightStarted;
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if (_onBossFightEnded) _onBossFightEnded.OnEventRaised -= HandleBossFightEnded;
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if (_onDeathScreenConfirmed) _onDeathScreenConfirmed.OnEventRaised -= HandleDeathScreenConfirmed;
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}
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private void Update() => _fsm.Tick(Time.deltaTime);
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// ── 初始化 ────────────────────────────────────────────────────────
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private void RegisterServices()
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{
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if (_deathRespawnService)
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ServiceLocator.Register<IDeathRespawnService>(_deathRespawnService);
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if (_sceneService)
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ServiceLocator.Register<ISceneService>(_sceneService);
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}
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private void RegisterStates()
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{
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_fsm.Register(new InitializingState());
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_fsm.Register(new MainMenuState());
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_fsm.Register(new LoadingSceneState());
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_fsm.Register(new GameplayState());
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_fsm.Register(new BossFightState());
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_fsm.Register(new PausedState());
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_fsm.Register(new DeadState());
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_fsm.Register(new CutsceneState());
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_fsm.Register(new GameOverState());
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}
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// ── 状态转换公共 API ──────────────────────────────────────────────
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public bool RequestTransition(GameStateId nextState)
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{
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if (_fsm.TransitionTo(nextState, out string error))
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{
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// 通知 UI 等监听者（GameStateId in Core.Events 是 string-based）
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_onGameStateChanged?.Raise(new Events.GameStateId(nextState.Id));
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return true;
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}
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Debug.LogWarning($"[GameManager] {error}");
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return false;
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}
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// ── 事件处理 ──────────────────────────────────────────────────────
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private void HandlePlayerDied() => StartCoroutine(DeathFlow());
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private void HandlePauseRequested() => RequestTransition(GameStates.Paused);
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private void HandleResumeRequested() => RequestTransition(GameStates.Gameplay);
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private void HandleBossFightStarted(string bossId)
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=> RequestTransition(GameStates.BossFight);
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private void HandleBossFightEnded(bool victory)
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{
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if (victory) RequestTransition(GameStates.Gameplay);
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else RequestTransition(GameStates.GameOver);
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}
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private bool _deathScreenConfirmed;
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private void HandleDeathScreenConfirmed() => _deathScreenConfirmed = true;
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private IEnumerator DeathFlow()
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{
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RequestTransition(GameStates.Dead);
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var deathService = ServiceLocator.Get<IDeathRespawnService>();
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yield return deathService.StartDeathSequenceCoroutine();
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// 等待玩家在死亡画面点击重试
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_deathScreenConfirmed = false;
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yield return new WaitUntil(() => _deathScreenConfirmed);
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yield return deathService.StartRespawnCoroutine();
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RequestTransition(GameStates.LoadingScene);
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_onPlayerRespawned?.Raise();
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}
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}
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}
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