89 lines
3.1 KiB
C#
89 lines
3.1 KiB
C#
using System.Collections.Generic;
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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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namespace BaseGames.UI
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{
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[DefaultExecutionOrder(+50)]
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public class UIManager : MonoBehaviour
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{
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[Header("Canvas Roots")]
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[SerializeField] private GameObject _hudRoot;
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[SerializeField] private GameObject _pauseMenuRoot;
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[SerializeField] private GameObject _deathScreenRoot;
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[SerializeField] private GameObject _settingsRoot;
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[SerializeField] private GameObject _mapRoot;
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[SerializeField] private GameObject _shopRoot;
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[Header("Event Channels")]
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[SerializeField] private GameStateEventChannelSO _onGameStateChanged;
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[SerializeField] private VoidEventChannelSO _onPauseRequested;
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[SerializeField] private VoidEventChannelSO _onFastTravelOpen;
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[SerializeField] private StringEventChannelSO _onShopOpen;
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[SerializeField] private VoidEventChannelSO _onMapOpen;
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private readonly Stack<GameObject> _panelStack = new();
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private readonly CompositeDisposable _subs = new();
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private void OnEnable()
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{
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_onGameStateChanged?.Subscribe(HandleGameStateChanged).AddTo(_subs);
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_onPauseRequested?.Subscribe(TogglePause).AddTo(_subs);
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_onFastTravelOpen?.Subscribe(OpenMap).AddTo(_subs);
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_onShopOpen?.Subscribe(OpenShop).AddTo(_subs);
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_onMapOpen?.Subscribe(OpenMap).AddTo(_subs);
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}
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private void OnDisable()
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{
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_subs.Clear();
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}
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private void HandleGameStateChanged(GameStateId state)
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{
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// GameStateId 是 struct，用 if/else 而非 switch
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bool showHud = state == GameStates.Gameplay || state == GameStates.BossFight;
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if (_hudRoot != null) _hudRoot.SetActive(showHud);
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if (state == GameStates.Dead)
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{
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if (_deathScreenRoot != null) _deathScreenRoot.SetActive(true);
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}
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else
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{
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// 离开 Dead 状态时（复活/重生）隐藏死亡界面
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if (_deathScreenRoot != null) _deathScreenRoot.SetActive(false);
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if (state == GameStates.Cutscene)
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if (_hudRoot != null) _hudRoot.SetActive(false);
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}
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}
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public void OpenPanel(GameObject panel)
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{
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if (panel == null) return;
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if (_panelStack.Count > 0) _panelStack.Peek().SetActive(false);
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panel.SetActive(true);
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_panelStack.Push(panel);
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}
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public void CloseTopPanel()
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{
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if (_panelStack.Count == 0) return;
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_panelStack.Pop().SetActive(false);
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if (_panelStack.Count > 0) _panelStack.Peek().SetActive(true);
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}
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private void TogglePause()
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{
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if (_pauseMenuRoot != null && _pauseMenuRoot.activeSelf)
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CloseTopPanel();
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else
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OpenPanel(_pauseMenuRoot);
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}
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private void OpenShop(string _) => OpenPanel(_shopRoot);
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private void OpenMap() => OpenPanel(_mapRoot);
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}
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}
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