我死去

Assets/Scripts/EditorGame/Animations/EditorAnimations/DisplacementTracker.cs

@@ -138,21 +138,29 @@ namespace Ichni.RhythmGame
             var z = ((Displacement_BM)displacement.matchedBM).positionZ.DeepCopyBM();
             x.ApplyTimeOffset(finalTimeOffset); y.ApplyTimeOffset(finalTimeOffset); z.ApplyTimeOffset(finalTimeOffset);
 
-            List<ICanBeTrackedDisplacement> ICanBeTrackedDisplacements = new List<ICanBeTrackedDisplacement> { this as ICanBeTrackedDisplacement };
-            while (MaybeDeadLoop && ICanBeTrackedDisplacements[0] is not Displacement)
+            // 构建链表，从底层 Displacement 到最上层 Tracker
+            List<ICanBeTrackedDisplacement> chain = new List<ICanBeTrackedDisplacement>();
+            ICanBeTrackedDisplacement cur = this;
+            int safeGuard = 100; // 防止死循环
+            while (cur != null && safeGuard-- > 0)
             {
-                ICanBeTrackedDisplacement ao = (ICanBeTrackedDisplacements[0] as DisplacementTracker).targetDisplacement;
-                ICanBeTrackedDisplacements.Insert(0, ao);
+                chain.Insert(0, cur);
+                if (cur is DisplacementTracker tracker)
+                    cur = tracker.targetDisplacement;
+                else
+                    break;
             }
-            ICanBeTrackedDisplacements.ForEach(o =>
-            {
-                ((IHaveVector3Interferometer)o).ApplyVector3InterferometersBM(x, y, z);
-            });
-            parentElement.SaveBM();
-            Displacement_BM a = new Displacement_BM("Displacement", elementGuid, new List<string>(), parentElement.matchedBM as GameElement_BM,
-                x, y, z);
-            MatchingExportElement = a;
 
+            // 依次叠加 Interferometer
+            foreach (var o in chain)
+                ((IHaveVector3Interferometer)o).ApplyVector3InterferometersBM(x, y, z);
+
+            // 先保存 parentElement
+            parentElement.SaveBM();
+
+            // 用当前 elementName/tags
+            var a = new Displacement_BM(elementName, elementGuid, tags, parentElement.matchedBM as GameElement_BM, x, y, z);
+            MatchingExportElement = a;
         }
 
         public Displacement GetOriginDisplacementWithOffset(ref float timeOffset)