恢复Duplication(SceneNode *)，并实现MeshComponent::Duplication...下一步Component::Duplication()改成由基类实现.

inc/hgl/component/Component.h

@@ -94,6 +94,8 @@ public:
 
 public:
 
+    virtual Component *Duplication()=0;
+
     //virtual void Update(const double delta_time)=0;
 
 public: //事件
@@ -105,6 +107,11 @@ public: //事件
     virtual void OnFocusGained(){}                                          ///<焦点获得事件
 };//class Component
 
+#define COMPONENT_CLASS_BODY(name)  static  name##ComponentManager *GetDefaultManager   ()              {return name##ComponentManager::GetDefaultManager();} \
+                                            name##ComponentManager *GetManager          ()const         {return (name##ComponentManager *)Component::GetManager();}  \
+                                    static  constexpr const size_t  StaticHashCode      ()              {return hgl::GetTypeHash<name##Component>();} \
+                                            const size_t            GetHashCode         ()const override{return name##Component::StaticHashCode();}
+
 using ComponentSet=SortedSet<Component *>;
 using ComponentList=ArrayList<Component *>;
 

inc/hgl/component/MeshComponent.h

@@ -61,31 +61,33 @@ class MeshComponent:public RenderComponent
 {
     MeshComponentData *sm_data;
 
+public:
+
+    COMPONENT_CLASS_BODY(Mesh)
+
 public:
 
     MeshComponent(MeshComponentData *cd,MeshComponentManager *cm):RenderComponent(cd,cm){sm_data=cd;}
 
     virtual ~MeshComponent()=default;
 
-    static MeshComponentManager *GetDefaultManager()
-    {
-        return MeshComponentManager::GetDefaultManager();
-    }
-
-    static constexpr const size_t StaticHashCode()
-    {
-        return hgl::GetTypeHash<MeshComponent>();
-    }
-
-    const size_t    GetHashCode()const override
-    {
-        return MeshComponent::StaticHashCode();
-    }
-
             MeshComponentData &GetData()      {return *sm_data;}
     const   MeshComponentData &GetData()const {return *sm_data;}
 
     Mesh *GetMesh() const{return sm_data->mesh;}
+
+public:
+
+    virtual Component *Duplication() override
+    {
+        MeshComponentManager *manager=GetManager();
+
+        MeshComponent *mc=manager->CreateComponent(sm_data->mesh);
+
+        mc->SetLocalMatrix(GetLocalMatrix());
+
+        return mc;
+    }
 };//class MeshComponent
 
 COMPONENT_NAMESPACE_END