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纠正ModelItem比较的使用方法

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tian 2026-01-06 13:00:48 +08:00
parent be174ab6bb
commit aa0fdc2cec
2 changed files with 11 additions and 9 deletions
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2
doc/design/2026/NavisworksAPI使用方法.md
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@ -2738,3 +2738,5 @@ models.SetModelUnitsAndTransform(model, units , newTransform3D, true);
### 如何唯一标识一个ModelItem ### 如何唯一标识一个ModelItem
使用 ModelItem.GetHashCode() 作为唯一标识符 使用 ModelItem.GetHashCode() 作为唯一标识符
使用 HashSet<ModelItem> 来存储和比较碰撞对象，这样可以正确使用 ModelItem.Equals() 和 GetHashCode() 方法，避免哈希冲突和跨运行时不一致的问题

18
src/Core/Animation/PathAnimationManager.cs
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@ -105,7 +105,7 @@ namespace NavisworksTransport.Core.Animation
private List<CollisionResult> _allCollisionResults; // 所有碰撞结果（不去重） private List<CollisionResult> _allCollisionResults; // 所有碰撞结果（不去重）
private bool _lastHighlightState = false; // 上一帧的高亮状态 private bool _lastHighlightState = false; // 上一帧的高亮状态
private HashSet<int> _lastCollisionObjectIds = new HashSet<int>(); // 上一帧碰撞对象的ID集合 private HashSet<ModelItem> _lastCollisionObjects = new HashSet<ModelItem>(); // 上一帧碰撞对象的集合
// === 路径相关 === // === 路径相关 ===
private PathRoute _route = null; // 路径引用 private PathRoute _route = null; // 路径引用
@ -978,7 +978,7 @@ namespace NavisworksTransport.Core.Animation
_fpsCounterStart = DateTime.Now; _fpsCounterStart = DateTime.Now;
_frameInterval = 1000.0 / _animationFrameRate; _frameInterval = 1000.0 / _animationFrameRate;
_lastHighlightState = false; // 重置高亮状态 _lastHighlightState = false; // 重置高亮状态
_lastCollisionObjectIds.Clear(); // 重置碰撞对象ID集合 _lastCollisionObjects.Clear(); // 重置碰撞对象集合
// 启动动画播放 // 启动动画播放
StartAnimationPlayback(); StartAnimationPlayback();
@ -2327,8 +2327,8 @@ namespace NavisworksTransport.Core.Animation
var currentFrame = _animationFrames[_currentFrameIndex]; var currentFrame = _animationFrames[_currentFrameIndex];
bool currentHasCollision = currentFrame.HasCollision; bool currentHasCollision = currentFrame.HasCollision;
// 收集当前帧碰撞对象的ID集合 // 收集当前帧碰撞对象的集合
var currentCollisionObjectIds = new HashSet<int>(); var currentCollisionObjects = new HashSet<ModelItem>();
if (currentHasCollision && currentFrame.Collisions != null) if (currentHasCollision && currentFrame.Collisions != null)
{ {
foreach (var collision in currentFrame.Collisions) foreach (var collision in currentFrame.Collisions)
@ -2337,9 +2337,9 @@ namespace NavisworksTransport.Core.Animation
var item2 = collision.GetValidItem2(); var item2 = collision.GetValidItem2();
if (item1 != null) if (item1 != null)
currentCollisionObjectIds.Add(item1.GetHashCode()); currentCollisionObjects.Add(item1);
if (item2 != null) if (item2 != null)
currentCollisionObjectIds.Add(item2.GetHashCode()); currentCollisionObjects.Add(item2);
} }
} }
@ -2347,7 +2347,7 @@ namespace NavisworksTransport.Core.Animation
// 1. 碰撞状态改变（有碰撞 vs 无碰撞） // 1. 碰撞状态改变（有碰撞 vs 无碰撞）
// 2. 碰撞对象集合改变（碰撞的物体变了） // 2. 碰撞对象集合改变（碰撞的物体变了）
bool stateChanged = currentHasCollision != _lastHighlightState; bool stateChanged = currentHasCollision != _lastHighlightState;
bool objectsChanged = !currentCollisionObjectIds.SetEquals(_lastCollisionObjectIds); bool objectsChanged = !currentCollisionObjects.SetEquals(_lastCollisionObjects);
if (stateChanged || objectsChanged) if (stateChanged || objectsChanged)
{ {
@ -2355,7 +2355,7 @@ namespace NavisworksTransport.Core.Animation
{ {
// 有碰撞：高亮当前帧的碰撞对象 // 有碰撞：高亮当前帧的碰撞对象
ClashDetectiveIntegration.Instance.HighlightCollisions(currentFrame.Collisions); ClashDetectiveIntegration.Instance.HighlightCollisions(currentFrame.Collisions);
LogManager.Debug($"[高亮状态] 帧{_currentFrameIndex}: 高亮碰撞 ({currentFrame.Collisions.Count}个, 对象{currentCollisionObjectIds.Count}个)"); LogManager.Debug($"[高亮状态] 帧{_currentFrameIndex}: 高亮碰撞 ({currentFrame.Collisions.Count}个, 对象{currentCollisionObjects.Count}个)");
} }
else else
{ {
@ -2366,7 +2366,7 @@ namespace NavisworksTransport.Core.Animation
// 更新状态记录 // 更新状态记录
_lastHighlightState = currentHasCollision; _lastHighlightState = currentHasCollision;
_lastCollisionObjectIds = currentCollisionObjectIds; _lastCollisionObjects = currentCollisionObjects;
} }
// 每次都触发碰撞事件（用于UI更新等） // 每次都触发碰撞事件（用于UI更新等）