perf: 优化通关弹窗

assets/prefabs/PageLevel.ts

@@ -217,6 +217,9 @@ export class PageLevel extends BaseView {
     /** 本次通关弹窗使用的已通关数量 */
     private _passModalCompletedLevelCount: number | null = null;
 
+    /** 本次通关弹窗动画起点（通关前）的已通关数量；为 null 表示不播动画 */
+    private _passModalPreviousCompletedLevelCount: number | null = null;
+
     /** 错误弹窗实例 */
     private _wrongModalNode: Node | null = null;
 
@@ -1570,8 +1573,11 @@ export class PageLevel extends BaseView {
     private reportLevelCompleted(levelId: string, timeSpent: number): void {
         if (!this._isShareMode) {
             // 乐观更新通关计数（用于称号展示）
+            const previousCount = AuthManager.instance.completedLevelCount;
             AuthManager.instance.addCompletedLevelCount();
             this._passModalCompletedLevelCount = AuthManager.instance.completedLevelCount;
+            // 本次预期为首次通关，起点 = 通关前计数；如果回调回退，则清掉避免误播动画
+            this._passModalPreviousCompletedLevelCount = previousCount;
 
             void StaminaManager.instance.completeLevel(levelId, timeSpent).then((result) => {
                 if (result) {
@@ -1582,6 +1588,7 @@ export class PageLevel extends BaseView {
                         // 非首次通关，回退乐观更新
                         AuthManager.instance.addCompletedLevelCount(-1);
                         this._passModalCompletedLevelCount = AuthManager.instance.completedLevelCount;
+                        this._passModalPreviousCompletedLevelCount = null;
                     }
                     console.log(`[PageLevel] 通关上报成功，首次通关: ${result.firstClear}, 有下一关: ${!!result.nextLevel}`);
                 }
@@ -1590,6 +1597,7 @@ export class PageLevel extends BaseView {
         }
 
         this._passModalCompletedLevelCount = null;
+        this._passModalPreviousCompletedLevelCount = null;
         // fire-and-forget: errors are logged inside reportLevelProgress
         void ShareManager.instance.reportLevelProgress(levelId, true, timeSpent);
     }
@@ -1631,9 +1639,17 @@ export class PageLevel extends BaseView {
         // 获取 PassModal 组件并设置回调
         const passModal = modalNode.getComponent(PassModal);
         if (passModal) {
+            const completedCount = this._getPassModalCompletedLevelCount();
+            const titleInfo = AchievementTitleManager.getTitleInfo(completedCount);
+            const previousCompletedCount = this._passModalPreviousCompletedLevelCount;
+            const previousTitleInfo = (previousCompletedCount !== null && previousCompletedCount !== completedCount)
+                ? AchievementTitleManager.getTitleInfo(previousCompletedCount)
+                : undefined;
+
             passModal.setParams({
                 levelIndex: this.getDisplayLevelNumber(),
-                titleInfo: AchievementTitleManager.getTitleInfo(this._getPassModalCompletedLevelCount())
+                titleInfo,
+                previousTitleInfo
             });
             passModal.setCallbacks({
                 onNextLevel: () => {
@@ -1645,6 +1661,8 @@ export class PageLevel extends BaseView {
                     console.log('[PageLevel] 分享完成');
                 }
             });
+            // 动画消费完一次后清除起点，避免弹窗多次打开时复用
+            this._passModalPreviousCompletedLevelCount = null;
             // 手动调用 onViewLoad 和 onViewShow
             passModal.onViewLoad();
             passModal.onViewShow();