UI系统
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@@ -1,4 +1,6 @@
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using System;
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using System.Collections.Generic;
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using System.Threading;
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using System.Threading.Tasks;
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using UnityEngine;
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using UnityEngine.UI;
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using UnityEngine.EventSystems;
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@@ -9,99 +11,100 @@ using BaseGames.Localization;
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namespace BaseGames.UI.MainMenu
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{
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/// <summary>
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/// 新游戏模式选择面板（普通 / 钢铁之魂）：开新档前选择难度模式。
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///
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/// 设计：
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/// · 自包含、场景无关——本地 SetActive 显隐 + 回调，不走 UIManager 面板栈，
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/// 与 MainMenuController 现有的子面板管理方式一致。
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/// · 选定后通过 onModeChosen 回调把 DifficultyLevel 交还给调用方（SaveSlotController），
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/// 由调用方负责 CreateSlot(slot, steelSoul) + IDifficultyService.BeginNewGame(level)。
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/// · 钢铁之魂为破坏性/高难选项，默认焦点置于普通，并显示一段警示文案。
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/// 新游戏模式（难度）选择面板，<b>数据驱动</b>：据 <see cref="NewGameModeConfigSO"/> 生成难度按钮，
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/// 经 <see cref="IUINavigator"/> 模态压栈，返回 <see cref="DifficultyLevel"/>；
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/// 点返回 / 按 ESC 取消则返回 null（由 <see cref="UIResultPanel{T}"/> 兜底）。
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/// 选中某项时在共享说明区显示其 descKey（手柄/鼠标导航通用）。
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/// 策划改 UI_NewGameModeConfig 即可增删/重排难度、改标签/说明；样式改 UI_NewGameModePanel / UI_MainMenu_Button 预制件。
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/// </summary>
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public class NewGameModeController : MonoBehaviour
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public class NewGameModeController : UIResultPanel<DifficultyLevel?>
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{
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[Header("根节点（显隐用，留空则用本 GameObject）")]
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[SerializeField] private GameObject _root;
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[Header("数据表 / 选项列表")]
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[SerializeField] private NewGameModeConfigSO _config;
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[Tooltip("难度按钮的父节点（通常挂 VerticalLayoutGroup）。")]
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[SerializeField] private Transform _container;
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[SerializeField] private MainMenuButtonView _buttonPrefab;
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[Header("按钮")]
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[SerializeField] private Button _btnNormal;
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[SerializeField] private Button _btnSteelSoul;
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[SerializeField] private Button _btnBack;
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[Header("引用")]
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[SerializeField] private LocalizedText _titleText;
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[Tooltip("当前选中难度的说明文本（随选中项切换）。")]
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[SerializeField] private TMP_Text _descText;
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[SerializeField] private Button _btnBack;
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[Header("钢铁之魂说明")]
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[Tooltip("选中钢铁之魂时显示的警示文案（一命模式，死亡即清档）。走本地化键 MODE_STEELSOUL_DESC。")]
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[SerializeField] private TMP_Text _steelSoulDescText;
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[SerializeField] private string _steelSoulDescKey = "MODE_STEELSOUL_DESC";
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// 取消 / ESC / 返回默认结果：未选择。
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protected override DifficultyLevel? CancelResult => null;
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private Action<DifficultyLevel> _onModeChosen;
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private Action _onBack;
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private readonly List<(MainMenuButtonView view, string descKey)> _options = new();
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private MainMenuButtonView _firstButton;
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private GameObject _lastSelected;
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private void Awake()
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private void Awake() => _btnBack?.onClick.AddListener(() => Complete(null));
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protected override void OnPanelOpen() => BuildMenu();
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/// <summary>默认焦点：第一项（通常普通难度），避免误选高难项。</summary>
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protected override GameObject ResolveFirstSelected()
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=> _firstButton != null ? _firstButton.Button.gameObject
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: _btnBack != null ? _btnBack.gameObject : null;
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/// <summary>据配置重建难度按钮（public 以便编辑器预览/测试）。</summary>
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public void BuildMenu()
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{
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_btnNormal? .onClick.AddListener(() => Choose(DifficultyLevel.Normal));
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_btnSteelSoul?.onClick.AddListener(() => Choose(DifficultyLevel.SteelSoul));
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_btnBack? .onClick.AddListener(HandleBack);
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SetVisible(false);
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}
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ClearMenu();
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if (_titleText != null && _config != null) _titleText.SetKey(_config.TitleKey);
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if (_config == null || _container == null || _buttonPrefab == null) return;
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/// <summary>
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/// 弹出模式选择。
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/// </summary>
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/// <param name="onModeChosen">玩家选定模式后回调（面板已自动关闭），携带难度档位。</param>
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/// <param name="onBack">点击返回 / 取消后回调（可选）。</param>
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public void Show(Action<DifficultyLevel> onModeChosen, Action onBack = null)
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{
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_onModeChosen = onModeChosen;
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_onBack = onBack;
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if (_steelSoulDescText != null && !string.IsNullOrEmpty(_steelSoulDescKey))
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foreach (var item in _config.Items)
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{
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string s = LocalizationManager.Get(_steelSoulDescKey, LocalizationTable.UI);
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_steelSoulDescText.text = string.IsNullOrEmpty(s) ? _steelSoulDescKey : s;
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var view = Instantiate(_buttonPrefab, _container);
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view.gameObject.SetActive(true);
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var level = item.level;
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view.Bind(item.labelKey, item.icon, () => Complete(level));
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_options.Add((view, item.descKey));
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if (_firstButton == null) _firstButton = view;
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}
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SetVisible(true);
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// 默认焦点置于普通模式（避免误选一命模式）
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EventSystem.current?.SetSelectedGameObject(_btnNormal != null
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? _btnNormal.gameObject
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: _btnSteelSoul?.gameObject);
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if (_descText != null) _descText.text = string.Empty;
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_lastSelected = null;
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}
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/// <summary>外部强制关闭，不触发回调。</summary>
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public void Close()
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private void ClearMenu()
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{
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_onModeChosen = null;
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_onBack = null;
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SetVisible(false);
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_options.Clear();
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_firstButton = null;
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if (_container == null) return;
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for (int i = _container.childCount - 1; i >= 0; i--)
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{
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var c = _container.GetChild(i).gameObject;
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if (Application.isPlaying) Destroy(c); else DestroyImmediate(c);
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}
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}
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// ── 回调 ──────────────────────────────────────────────────────────────
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private void Choose(DifficultyLevel level)
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// 显示当前选中难度的说明（轮询 EventSystem 选中项；手柄/鼠标导航通用，按钮无需额外组件）。
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private void Update()
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{
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var cb = _onModeChosen;
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SetVisible(false);
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_onModeChosen = null;
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_onBack = null;
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cb?.Invoke(level);
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if (_descText == null || EventSystem.current == null) return;
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var sel = EventSystem.current.currentSelectedGameObject;
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if (sel == _lastSelected) return;
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_lastSelected = sel;
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string descKey = null;
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foreach (var (view, dk) in _options)
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if (view != null && view.Button != null && view.Button.gameObject == sel) { descKey = dk; break; }
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_descText.text = string.IsNullOrEmpty(descKey)
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? string.Empty
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: LocalizationManager.Get(descKey, LocalizationTable.UI);
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}
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private void HandleBack()
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/// <summary>弹出难度选择并等待结果（DifficultyLevel / null=取消）。由导航器压栈管理。</summary>
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public Task<DifficultyLevel?> ShowAsync(CancellationToken ct = default)
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{
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var cb = _onBack;
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SetVisible(false);
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_onModeChosen = null;
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_onBack = null;
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cb?.Invoke();
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}
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// ── 工具 ──────────────────────────────────────────────────────────────
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private void SetVisible(bool visible)
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{
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var go = _root != null ? _root : gameObject;
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go.SetActive(visible);
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var nav = GetService<IUINavigator>();
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if (nav == null)
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{
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Debug.LogError("[NewGameMode] 未找到 IUINavigator 服务，无法弹出模式选择。", this);
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return Task.FromResult<DifficultyLevel?>(null);
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}
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return nav.PushForResultAsync<DifficultyLevel?>(this, ct);
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}
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}
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}
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