From a23654c73afabbf9d2cf529487d9e9e539792396 Mon Sep 17 00:00:00 2001
From: hyzboy <hyzboy@gmail.com>
Date: Mon, 16 Jun 2025 00:02:07 +0800
Subject: [PATCH] =?UTF-8?q?=E6=81=A2=E5=A4=8DDuplication(SceneNode=20*)?=
 =?UTF-8?q?=EF=BC=8C=E5=B9=B6=E5=AE=9E=E7=8E=B0MeshComponent::Duplication.?=
 =?UTF-8?q?..=E4=B8=8B=E4=B8=80=E6=AD=A5Component::Duplication()=E6=94=B9?=
 =?UTF-8?q?=E6=88=90=E7=94=B1=E5=9F=BA=E7=B1=BB=E5=AE=9E=E7=8E=B0.?=
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---
 example/Gizmo/GizmoTest.cpp        |  2 +-
 inc/hgl/component/Component.h      |  7 +++++++
 inc/hgl/component/MeshComponent.h  | 32 ++++++++++++++++--------------
 src/SceneGraph/scene/SceneNode.cpp | 27 ++++++++++++++-----------
 4 files changed, 40 insertions(+), 28 deletions(-)

diff --git a/example/Gizmo/GizmoTest.cpp b/example/Gizmo/GizmoTest.cpp
index 67f5c5c7..10805646 100644
--- a/example/Gizmo/GizmoTest.cpp
+++ b/example/Gizmo/GizmoTest.cpp
@@ -76,7 +76,7 @@ private:
     {
         SceneNode *root=GetSceneRoot();
 
-        root->Add(sm_move);
+        root->Add(Duplication(sm_move));
         //root.Add(Duplication(sm_rotate->GetScene()));
         //root.CreateSubNode(sm_scale->GetScene());
     }
diff --git a/inc/hgl/component/Component.h b/inc/hgl/component/Component.h
index fb9aefcb..79866c91 100644
--- a/inc/hgl/component/Component.h
+++ b/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 *>;
 
diff --git a/inc/hgl/component/MeshComponent.h b/inc/hgl/component/MeshComponent.h
index 2a55bb79..62785068 100644
--- a/inc/hgl/component/MeshComponent.h
+++ b/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
diff --git a/src/SceneGraph/scene/SceneNode.cpp b/src/SceneGraph/scene/SceneNode.cpp
index e4ef267d..9ea548e0 100644
--- a/src/SceneGraph/scene/SceneNode.cpp
+++ b/src/SceneGraph/scene/SceneNode.cpp
@@ -4,22 +4,25 @@
 
 namespace hgl::graph
 {
-    //SceneNode *Duplication(SceneNode *src_node)
-    //{
-    //    if(!src_node)
-    //        return nullptr;
+    SceneNode *Duplication(SceneNode *src_node)
+    {
+        if(!src_node)
+            return nullptr;
 
-    //    SceneNode *node=new SceneNode(*(SceneOrient *)src_node);
+        SceneNode *node=new SceneNode(*(SceneOrient *)src_node);
 
-    //    node->SetRenderable(src_node->GetRenderable());
+        for(SceneNode *sn:src_node->GetChildNode())
+        {
+            node->Add(Duplication(sn));
+        }
 
-    //    for(SceneNode *sn:src_node->GetChildNode())
-    //    {
-    //        node->Add(Duplication(sn));
-    //    }
+        for(Component *c:src_node->GetComponents())
+        {
+            node->AttachComponent(c->Duplication());
+        }
 
-    //    return node;
-    //}
+        return node;
+    }
 
     //void SceneNode::SetRenderable(Mesh *ri)
     //{