Merge branch 'new_osg' of http://192.168.1.2:13521/PM/DYTSrouce into new_osg

src/entities/PathComponent.cpp

@@ -17,7 +17,7 @@
 PathComponent::PathComponent(SceneComponent* parent)
     : SceneComponent(parent) {
     animationPath_ = new osg::AnimationPath();
-    animationPath_->setLoopMode(osg::AnimationPath::SWING);
+    animationPath_->setLoopMode(osg::AnimationPath::NO_LOOPING);
 }
 
 PathComponent::~PathComponent() {
@@ -70,16 +70,18 @@ void PathComponent::Begin() {
     if (hasPathTimes) {
         const auto& times = transformPath_->GetTimes();
         if (timeStep_->HasManualRange()) {
-            // 将路径文件时间列线性映射到用户指定的手动区间，保证相对时间关系不变
+            // 使用文件时间为主：仅截取手动范围内的原始时间点
-            double srcMin = times.front();
-            double srcMax = times.back();
             double dstMin = timeStep_->GetManualStart();
             double dstMax = timeStep_->GetManualEnd();
-            double srcSpan = std::max(1e-9, srcMax - srcMin);
             mappedSteps.reserve(times.size());
             for (double t : times) {
-                double alpha = (t - srcMin) / srcSpan;
+                if (t >= dstMin && t <= dstMax) {
-                mappedSteps.push_back(dstMin + alpha * (dstMax - dstMin));
+                    mappedSteps.push_back(t);
+                }
+            }
+            // 若截取后为空，回退为原始时间列，避免动画路径为空
+            if (mappedSteps.empty()) {
+                mappedSteps = times;
             }
         } else {
             mappedSteps = times;

src/ui/Menu/PlayManagerMenu.cpp

@@ -118,6 +118,10 @@ void PlayManagerMenu::OnWorkspaceChange(WorkSpace* workSpace) {
     }
     workSpace_ = workSpace;
     connect(workSpace, &WorkSpace::TimestepChanged, this, &PlayManagerMenu::OnTimestepChanged);
+    // 若当前 workspace 已有 timestep，则立即刷新一次 UI
+    if (auto* timestep = workSpace->GetTimestep()) {
+        OnTimestepChanged(timestep);
+    }
 }
 
 void PlayManagerMenu::OnTimestepChanged(Timestep* timestep) {