212 lines
9.3 KiB
C#
212 lines
9.3 KiB
C#
using System;
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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 BaseGames.Core;
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using BaseGames.Core.Events;
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using BaseGames.Core.Save;
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using BaseGames.UI;
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using BaseGames.UI.MainMenu;
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namespace BaseGames.UI.Menus
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{
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/// <summary>主菜单存档槽面板的打开语境。</summary>
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public enum SaveSlotPanelMode
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{
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/// <summary>继续游戏：仅有档槽可选，点击即读档进入。</summary>
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Continue,
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/// <summary>新游戏：空槽 → 模式选择 → 建档；有档槽 → 覆盖确认 → 模式选择 → 建档。</summary>
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NewGame,
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}
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/// <summary>
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/// 驱动主菜单存档槽选择面板（新游戏 / 继续 / 删除）。
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///
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/// <para>本面板经 <see cref="IUINavigator"/> 压栈（由主菜单控制器 Push）。覆盖确认 / 模式选择
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/// 这两个子对话框走导航器结果面板（<see cref="ConfirmDialogController.ShowAsync"/> /
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/// <see cref="NewGameModeController.ShowAsync"/>）——线性 <c>await</c>，无回调嵌套，ESC 逐层回退。</para>
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///
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/// 前端选档流程：
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/// · 新游戏开档前先选模式（普通 / 钢铁之魂），占用槽位需覆盖确认。
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/// · 删除强制走通用确认对话框（无静默删除旁路）。
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/// · 卡片展示游玩时长 / 区域 / 货币 / 生命 / 钢魂徽章。
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/// 模式由主菜单控制器在压栈前经 <see cref="SetMode"/> 指定。
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/// </summary>
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public class SaveSlotController : UIPanelBase
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{
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[SerializeField] private SaveSlotUI[] _slotUIs;
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[Header("子对话框（Inspector 注入，同处 MainMenu 场景，走导航器结果面板）")]
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[Tooltip("通用确认对话框，用于覆盖 / 删除确认。为空时：覆盖退化为直接建档，删除被忽略（绝不静默删除）。")]
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[SerializeField] private ConfirmDialogController _confirmDialog;
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[Tooltip("新游戏模式选择面板。为空时新游戏退化为普通模式。")]
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[SerializeField] private NewGameModeController _modeSelect;
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[Header("Event Channels")]
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[SerializeField] private IntEventChannelSO _onSlotConfirmed;
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[Header("焦点")]
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[Tooltip("面板默认聚焦的按钮，通常为第一个存档槽的选择按钮。")]
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[SerializeField] private Button _defaultFocusButton;
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private SaveSlotPanelMode _mode = SaveSlotPanelMode.NewGame;
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private CancellationTokenSource _cts;
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private void Awake()
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{
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for (int i = 0; i < _slotUIs.Length; i++)
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if (_slotUIs[i] != null) _slotUIs[i].Init(i, this);
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}
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/// <summary>由主菜单控制器在压栈前调用，决定本次打开语境。</summary>
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public void SetMode(SaveSlotPanelMode mode) => _mode = mode;
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/// <summary>默认 / 恢复焦点回到首个存档槽按钮。</summary>
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protected override GameObject ResolveFirstSelected()
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=> _defaultFocusButton != null ? _defaultFocusButton.gameObject : null;
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// ── 生命周期（UIPanelBase 驱动）──────────────────────────────────────
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protected override void OnPanelOpen()
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{
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_cts = new CancellationTokenSource();
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RunGuarded(RefreshAsync(_cts.Token));
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}
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protected override void OnPanelClose()
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{
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// 注意：不再级联 Close 子对话框（旧实现于此强关 confirm/mode，是"ESC 一次关多层"的根因）。
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// 子对话框生命周期完全交给导航器；若本面板随场景卸载，其 await 由结果面板兜底收口。
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_cts?.Cancel();
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_cts?.Dispose();
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_cts = null;
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}
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private async Task RefreshAsync(CancellationToken ct = default)
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{
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var svc = ServiceLocator.GetOrDefault<ISaveService>();
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if (svc == null) return;
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var tasks = new Task<SlotSummary>[_slotUIs.Length];
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for (int i = 0; i < _slotUIs.Length; i++)
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tasks[i] = svc.GetSlotSummaryAsync(i);
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var summaries = await Task.WhenAll(tasks);
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ct.ThrowIfCancellationRequested(); // 组件已失活时不写 UI
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for (int i = 0; i < _slotUIs.Length; i++)
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{
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if (_slotUIs[i] == null) continue;
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_slotUIs[i].Refresh(summaries[i], _mode);
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}
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}
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// ── 选槽 ────────────────────────────────────────────────────────────────
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/// <summary>选中指定槽位。行为取决于当前模式与槽位是否有档。由 SaveSlotUI 内部按钮调用。</summary>
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public void OnSlotSelected(int slotIndex)
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{
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if (slotIndex < 0 || slotIndex >= _slotUIs.Length) return;
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RunGuarded(HandleSlotSelectedAsync(slotIndex));
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}
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private async Task HandleSlotSelectedAsync(int slotIndex)
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{
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var svc = ServiceLocator.GetOrDefault<ISaveService>();
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if (svc == null) return;
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var ct = _cts?.Token ?? CancellationToken.None;
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if (_mode == SaveSlotPanelMode.Continue)
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{
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if (!svc.HasSave(slotIndex)) return; // 继续模式：空槽不可选
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await ContinueSlotAsync(slotIndex);
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return;
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}
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// ── 新游戏模式 ──
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if (svc.HasSave(slotIndex) && _confirmDialog != null)
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{
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bool ok = await _confirmDialog.ShowAsync("CONFIRM_OVERWRITE_TITLE", "CONFIRM_OVERWRITE_BODY", ct);
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if (!ok) return; // 取消覆盖
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}
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DifficultyLevel level = DifficultyLevel.Normal;
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if (_modeSelect != null)
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{
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DifficultyLevel? chosen = await _modeSelect.ShowAsync(ct);
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if (chosen == null) return; // 取消模式选择
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level = chosen.Value;
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}
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await StartNewGameAsync(slotIndex, level);
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}
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private async Task StartNewGameAsync(int slotIndex, DifficultyLevel level)
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{
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var svc = ServiceLocator.GetOrDefault<ISaveService>();
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if (svc == null) return;
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// 覆盖既有档：先删盘，确保旧数据不残留（建档仅初始化内存，写盘发生在首次存档）
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if (svc.HasSave(slotIndex))
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await svc.DeleteSlotAsync(slotIndex);
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bool steel = level == DifficultyLevel.SteelSoul;
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svc.CreateSlot(slotIndex, steel);
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ServiceLocator.GetOrDefault<IDifficultyService>()?.BeginNewGame(level);
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_onSlotConfirmed?.Raise(slotIndex);
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}
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private async Task ContinueSlotAsync(int slotIndex)
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{
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var svc = ServiceLocator.GetOrDefault<ISaveService>();
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if (svc == null) return;
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bool ok = await svc.LoadAsync(slotIndex);
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if (!ok) return; // 损坏 / 不存在：不前进（后续可接错误提示）
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_onSlotConfirmed?.Raise(slotIndex);
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}
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// ── 删除（强制确认）────────────────────────────────────────────────────
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/// <summary>请求删除指定槽位。强制经通用确认对话框；无对话框时忽略，绝不静默删除。</summary>
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public void OnSlotDeleteRequested(int slotIndex)
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{
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if (slotIndex < 0 || slotIndex >= _slotUIs.Length) return;
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if (_confirmDialog == null)
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{
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Debug.LogWarning("[SaveSlotController] 未配置 ConfirmDialog，删除请求被忽略（防止静默删除）。");
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return;
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}
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RunGuarded(DeleteFlowAsync(slotIndex));
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}
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private async Task DeleteFlowAsync(int slotIndex)
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{
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var ct = _cts?.Token ?? CancellationToken.None;
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bool ok = await _confirmDialog.ShowAsync("CONFIRM_DELETE_TITLE", "CONFIRM_DELETE_BODY", ct);
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if (!ok) return;
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await DeleteAndRefreshAsync(slotIndex);
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}
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private async Task DeleteAndRefreshAsync(int slotIndex)
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{
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var svc = ServiceLocator.GetOrDefault<ISaveService>();
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if (svc == null) return;
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await svc.DeleteSlotAsync(slotIndex);
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await RefreshAsync(_cts?.Token ?? CancellationToken.None);
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}
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// ── 工具 ──────────────────────────────────────────────────────────────
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/// <summary>fire-and-forget Task 的统一异常护栏（吞掉取消，记录其余）。</summary>
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private void RunGuarded(Task task)
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{
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task.ContinueWith(t =>
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{
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if (t.IsFaulted && !(t.Exception?.InnerException is OperationCanceledException))
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Debug.LogException(t.Exception?.InnerException ?? t.Exception, this);
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}, TaskScheduler.FromCurrentSynchronizationContext());
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}
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}
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}
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