ComponentData改用SharedPtr保存，这样在复制Component时，不会对数据产生真正的复制

inc/hgl/component/Component.h

@@ -50,9 +50,9 @@ public:
 
     ComponentData()=default;
     virtual ~ComponentData()=default;
+};//struct ComponentData
 
-    virtual ComponentData *Duplication()=0;
+using ComponentDataPtr=SharedPtr<ComponentData>;
-};
 
 /**
 * 基础组件<br>
@@ -66,7 +66,7 @@ class Component
 
     SceneNode *         OwnerNode;
     ComponentManager *  Manager;
-    ComponentData *     Data;
+    ComponentDataPtr    Data;
 
 protected:
 
@@ -81,7 +81,7 @@ protected:
 public:
 
     Component()=delete;
-    Component(ComponentData *,ComponentManager *);
+    Component(ComponentDataPtr,ComponentManager *);
     virtual ~Component();
 
     virtual const size_t    GetHashCode()const=0;
@@ -92,7 +92,7 @@ public:
 
     SceneNode *         GetOwnerNode()const{return OwnerNode;}
     ComponentManager *  GetManager  ()const{return Manager;}
-    ComponentData *     GetData     ()const{return Data;}
+    ComponentDataPtr    GetData     ()const{return Data;}
 
 public:
 
@@ -137,7 +137,7 @@ public:
 
 public:
 
-    virtual Component *     CreateComponent(ComponentData *)=0;
+    virtual Component *     CreateComponent(ComponentDataPtr)=0;
 
             const size_t    GetComponentCount()const{return component_set.GetCount();}
 
@@ -153,6 +153,12 @@ public: //事件
     virtual void            OnFocusGained(){}                                           ///<焦点获得事件
 };//class ComponentManager
 
+#define COMPONENT_MANAGER_CLASS_BODY(name)      static  name##ComponentManager *    GetDefaultManager       ()              {return GetComponentManager<name##ComponentManager>(true);}   \
+                                                static  constexpr   const size_t    StaticHashCode          ()              {return hgl::GetTypeHash<name##ComponentManager>();}    \
+                                                static  constexpr   const size_t    StaticComponentHashCode ()              {return hgl::GetTypeHash<name##Component>();}   \
+                                                                    const size_t    GetComponentHashCode    ()const override{return name##ComponentManager::StaticComponentHashCode();} \
+                                                                    const size_t    GetHashCode             ()const override{return name##ComponentManager::StaticHashCode();}  \
+
 bool RegistryComponentManager(ComponentManager *);
 ComponentManager *GetComponentManager(const size_t hash_code);
 

inc/hgl/component/MeshComponent.h

@@ -3,10 +3,16 @@
 #include<hgl/component/RenderComponent.h>
 #include<hgl/graph/Mesh.h>
 
+//#include<hgl/log/LogInfo.h>
+
 COMPONENT_NAMESPACE_BEGIN
 
 struct MeshComponentData:public ComponentData
 {
+    //static uint unique_id_count;
+
+    //uint unique_id;
+
     Mesh *mesh;
 
 public:
@@ -14,19 +20,20 @@ public:
     MeshComponentData()
     {
         mesh=nullptr;
+
+//        unique_id=++unique_id_count;
+//        LOG_INFO(AnsiString("MeshComponentData():")+AnsiString::numberOf(unique_id));
     }
 
     MeshComponentData(Mesh *m)
     {
         mesh=m;
+
+//        unique_id=++unique_id_count;
+//        LOG_INFO(AnsiString("MeshComponentData(Mesh *):")+AnsiString::numberOf(unique_id));
     }
 
     virtual ~MeshComponentData();
-
-    ComponentData *Duplication() override
-    {
-        return(new MeshComponentData(mesh));
-    }
 };//struct MeshComponentData
 
 class MeshComponent;
@@ -35,36 +42,20 @@ class MeshComponentManager:public ComponentManager
 {
 public:
 
-    static MeshComponentManager *GetDefaultManager()
+    COMPONENT_MANAGER_CLASS_BODY(Mesh)
-    {
-        return GetComponentManager<MeshComponentManager>(true);
-    }
-
-    static constexpr const size_t StaticHashCode          (){return hgl::GetTypeHash<MeshComponentManager>();}
-    static constexpr const size_t StaticComponentHashCode (){return hgl::GetTypeHash<MeshComponent>();}
-
-    const size_t GetComponentHashCode   ()const override{return MeshComponentManager::StaticComponentHashCode();}
-    const size_t GetHashCode            ()const override{return MeshComponentManager::StaticHashCode();}
 
 public:
 
     MeshComponentManager()=default;
 
-    MeshComponent *CreateComponent(MeshComponentData *data);
+    Component *CreateComponent(ComponentDataPtr cdp) override;
 
-    MeshComponent *CreateComponent(Mesh *m)
+    MeshComponent *CreateComponent(Mesh *);
-    {
-        auto sm_cd=new MeshComponentData(m);
-
-        return CreateComponent(sm_cd);
-    }
-
-    virtual Component *CreateComponent(ComponentData *data) override;
 };//class MeshComponentManager
 
 class MeshComponent:public RenderComponent
 {
-    MeshComponentData *sm_data;
+    WeakPtr<ComponentData> sm_data;
 
 public:
 
@@ -72,14 +63,28 @@ public:
 
 public:
 
-    MeshComponent(MeshComponentData *cd,MeshComponentManager *cm):RenderComponent(cd,cm){sm_data=cd;}
+    MeshComponent(ComponentDataPtr cdp,MeshComponentManager *cm):RenderComponent(cdp,cm)
+    {
+        sm_data=cdp;
+    }
 
     virtual ~MeshComponent()=default;
 
-            MeshComponentData &GetData()      {return *sm_data;}
+            MeshComponentData *GetData()      {return dynamic_cast<      MeshComponentData *>(sm_data.get());}
-    const   MeshComponentData &GetData()const {return *sm_data;}
+    const   MeshComponentData *GetData()const {return dynamic_cast<const MeshComponentData *>(sm_data.const_get());}
 
-    Mesh *GetMesh() const{return sm_data->mesh;}
+    Mesh *GetMesh()const
+    {
+        if(!sm_data.valid())
+            return(nullptr);
+
+        const MeshComponentData *mcd=dynamic_cast<const MeshComponentData *>(sm_data.const_get());
+
+        if(!mcd)
+            return(nullptr);
+
+        return mcd->mesh;
+    }
 };//class MeshComponent
 
 COMPONENT_NAMESPACE_END

src/SceneGraph/component/Component.cpp

@@ -6,12 +6,12 @@ namespace hgl::graph
 {
     uint Component::unique_id_count=0;
 
-    Component::Component(ComponentData *cd,ComponentManager *cm)
+    Component::Component(ComponentDataPtr cdp,ComponentManager *cm)
     {
         unique_id=++unique_id_count;
 
         OwnerNode=nullptr;
-        Data=cd;
+        Data=cdp;
         Manager=cm;
 
         Manager->AttachComponent(this);
@@ -31,12 +31,10 @@ namespace hgl::graph
 
         if(Manager)
             Manager->DetachComponent(this);
-
-        SAFE_CLEAR(Data);
     }
 
     Component *Component::Duplication()
     {
-        return GetManager()->CreateComponent(Data?Data->Duplication():nullptr);
+        return GetManager()->CreateComponent(Data);
     }
 }//namespace hgl::graph

src/SceneGraph/component/MeshComponentManager.cpp

@@ -4,8 +4,12 @@
 
 COMPONENT_NAMESPACE_BEGIN
 
+//uint MeshComponentData::unique_id_count=0;
+
 MeshComponentData::~MeshComponentData()
 {
+//    LOG_INFO(AnsiString("~MeshComponentData():")+AnsiString::numberOf(unique_id));
+
     if(mesh)
     {
         //mesh->Release();      //外面有RenderResource管理，不需要在这里释放.但未来要考虑是增加Release函数通知这里释放了一次使用权
@@ -13,18 +17,24 @@ MeshComponentData::~MeshComponentData()
     }
 }
 
-Component *MeshComponentManager::CreateComponent(ComponentData *data)
+Component *MeshComponentManager::CreateComponent(ComponentDataPtr cdp)
 {
-    if(!data)return(nullptr);
+    if(!cdp)return(nullptr);
 
-    return CreateComponent(reinterpret_cast<MeshComponentData *>(data));
+    if(!dynamic_cast<MeshComponentData *>(cdp.get()))
+    {
+        //LOG_ERROR(OS_TEXT("MeshComponentManager::CreateMeshComponent: invalid component data type."));
+        return(nullptr);
     }
 
-MeshComponent *MeshComponentManager::CreateComponent(MeshComponentData *data)
+    return(new MeshComponent(cdp,this));
-{
+}
-    if(!data)return(nullptr);
 
-    return(new MeshComponent(data,this));
+MeshComponent *MeshComponentManager::CreateComponent(Mesh *m)
+{
+    ComponentDataPtr cdp=new MeshComponentData(m);
+
+    return dynamic_cast<MeshComponent *>(CreateComponent(cdp));
 }
 
 COMPONENT_NAMESPACE_END

src/SceneGraph/render/RenderList.cpp

@@ -28,7 +28,10 @@ namespace hgl
                 if(component->GetHashCode()!=MeshComponent::StaticHashCode())     //暂时只支持MeshComponent
                     continue;
 
-                MeshComponent *smc=reinterpret_cast<MeshComponent *>(component);
+                MeshComponent *smc=dynamic_cast<MeshComponent *>(component);
+
+                if(!smc)
+                    continue;
 
                 Mesh *mesh=smc->GetMesh();
 

src/SceneGraph/scene/SceneNode.cpp

@@ -61,7 +61,7 @@ namespace hgl::graph
 
         for(Component *com:component_set)
         {
-            SceneComponent *sc=reinterpret_cast<SceneComponent *>(com);
+            SceneComponent *sc=dynamic_cast<SceneComponent *>(com);
 
             if(!sc)
                 continue;