尝试初建StaticMeshComponent

inc/hgl/component/Component.h

@@ -58,17 +58,8 @@ class Component
 public:
 
     Component()=delete;
-    Component(SceneNode *sn,ComponentData *cd,ComponentManager *cm)
+    Component(ComponentData *,ComponentManager *);
-    {
+    virtual ~Component();
-        OwnerNode=sn;
-        Data=cd;
-        Manager=cm;
-    }
-
-    virtual ~Component()
-    {
-        SAFE_CLEAR(Data);
-    }
 
     virtual const size_t    GetHashCode()const=0;
 
@@ -84,6 +75,9 @@ public:
 
 public: //事件
 
+    virtual void OnAttach(SceneNode *node){if(node)OwnerNode=node;}         ///<附加到节点事件
+    virtual void OnDetach(){OwnerNode=nullptr;}                             ///<从节点分离事件
+
     virtual void OnFocusLost(){}                                            ///<焦点丢失事件
     virtual void OnFocusGained(){}                                          ///<焦点获得事件
 };//class Component
@@ -94,6 +88,13 @@ class ComponentManager
 {
     ComponentSet component_set;
 
+protected:
+
+    friend class Component; //Component可以直接访问ComponentManager的成员
+
+    virtual void            AttachComponent(Component *c){if(!c)return;component_set.Add(c);}
+    virtual void            DetachComponent(Component *c){if(!c)return;component_set.Delete(c);}
+
 public:
 
     virtual const size_t    GetComponentHashCode()const=0;
@@ -113,9 +114,6 @@ public:
 
     virtual void            UpdateComponents(const double delta_time);
 
-    virtual void            AttachComponent(Component *c){if(!c)return;component_set.Add(c);}
-    virtual void            DetachComponent(Component *c){if(!c)return;component_set.Delete(c);}
-
 public: //事件
 
     virtual void            OnFocusLost(){}                                             ///<焦点丢失事件

inc/hgl/component/PrimitiveComponent.h

@@ -12,8 +12,8 @@ class PrimitiveComponent:public RenderComponent
 {
 public:
 
-    PrimitiveComponent(SceneNode *psn,ComponentData *cd,ComponentManager *cm)
+    using RenderComponent::RenderComponent;
-        :RenderComponent(psn,cd,cm){}
+
     virtual ~PrimitiveComponent()=default;
 };//class PrimitiveComponent
 

inc/hgl/component/RenderComponent.h

@@ -11,8 +11,7 @@ class RenderComponent: public Component
 {
 public:
 
-    RenderComponent(SceneNode *psn,ComponentData *cd,ComponentManager *cm)
+    using Component::Component;
-        :Component(psn,cd,cm){}
     virtual ~RenderComponent()=default;
 };//class RenderComponent
 

inc/hgl/component/StaticMeshComponent.h

@@ -20,6 +20,8 @@ public:
     {
         mesh=m;
     }
+
+    virtual ~StaticMeshComponentData();
 };//struct StaticMeshComponentData
 
 class StaticMeshComponent;
@@ -43,24 +45,14 @@ public:
 
     StaticMeshComponentManager()=default;
 
-    StaticMeshComponent *CreateStaticMeshComponent(StaticMeshComponentData *data)
+    StaticMeshComponent *CreateStaticMeshComponent(StaticMeshComponentData *data);
-    {
-        if(!data)return(nullptr);
-
-        return(new StaticMeshComponent(data));
-    }
 
     StaticMeshComponent *CreateStaticMeshComponent(Mesh *m)
     {
         return CreateStaticMeshComponent(new StaticMeshComponentData(m));
     }
 
-    virtual Component *CreateComponent(ComponentData *data) override
+    virtual Component *CreateComponent(ComponentData *data) override;
-    {
-        if(!data)return(nullptr);
-
-        return CreateStaticMeshComponent(reinterpret_cast<StaticMeshComponentData *>(data));
-    }
 };//class StaticMeshComponentManager
 
 class StaticMeshComponent:public PrimitiveComponent
@@ -69,8 +61,8 @@ class StaticMeshComponent:public PrimitiveComponent
 
 public:
 
-    StaticMeshComponent(SceneNode *psn,StaticMeshComponentData *cd,StaticMeshComponentManager *cm)
+    StaticMeshComponent(StaticMeshComponentData *cd,StaticMeshComponentManager *cm)
-        :PrimitiveComponent(psn,cd,cm)
+        :PrimitiveComponent(cd,cm)
     {
         sm_data=cd;
     }
@@ -90,6 +82,7 @@ public:
             StaticMeshComponentData &GetData()      {return *sm_data;}
     const   StaticMeshComponentData &GetData()const {return *sm_data;}
 
+    Mesh *GetMesh() const{return sm_data->mesh;}
 };//class StaticMeshComponent
 
 COMPONENT_NAMESPACE_END

inc/hgl/graph/SceneNode.h

@@ -8,7 +8,7 @@
 
 namespace hgl::graph
 {
-    using SceneNodeID   =uint64;
+    using SceneNodeID   =int64;
 
     HGL_DEFINE_U16_IDNAME(SceneNodeName)
 
@@ -19,9 +19,9 @@ namespace hgl::graph
     */
     class SceneNode:public SceneOrient                                                                              ///场景节点类
     {
-        SceneNode *ParentNode;                                                                                      ///<上级节点
+        SceneNode *ParentNode=nullptr;                                                                              ///<上级节点
 
-        SceneNodeID NodeID;                                                                                         ///<节点ID
+        SceneNodeID NodeID=-1;                                                                                      ///<节点ID
         SceneNodeName NodeName;                                                                                     ///<节点名称
 
     protected:
@@ -35,7 +35,12 @@ namespace hgl::graph
     protected:
 
         ObjectList<SceneNode> ChildNode;                                                                            ///<子节点
-        ObjectList<Component> ComponentList;                                                                        ///<组件列表
+
+        /**
+        * 组件合集，一个SceneNode下可能会包含多个组件，同时一个组件也可能被多个SceneNode使用。
+        * 所以这里只保留一个指针，不拥有组件的生命周期，组件的生命周期由其对应的ComponentManager管理。
+        */
+        SortedSet<Component *> ComponentSet;                                                                        ///<组件合集
 
     public:
 
@@ -68,7 +73,7 @@ namespace hgl::graph
             LocalBoundingBox.SetZero();
 
             ChildNode.Clear();
-            ComponentList.Clear();
+            ComponentSet.Clear();
             render_obj=nullptr;
         }
 
@@ -111,11 +116,11 @@ namespace hgl::graph
 
     public: //组件相关方法
 
-                        bool        ComponentIsEmpty    ()const {return ComponentList.GetCount()==0;}               ///<是否没有组件
+                        bool        ComponentIsEmpty    ()const{return ComponentSet.GetCount()==0;}                 ///<是否没有组件
-        virtual         int         GetComponentCount   ()const {return ComponentList.GetCount();}                  ///<取得组件数量
+        virtual         int         GetComponentCount   ()const{return ComponentSet.GetCount();}                    ///<取得组件数量
-        virtual         void        AddComponent        (Component *comp) {ComponentList.Add(comp);}                ///<添加一个组件
+        virtual         void        AttachComponent     (Component *comp){ComponentSet.Add(comp);}                  ///<添加一个组件
-        virtual         void        RemoveComponent     (Component *comp) {ComponentList.DeleteByValue(comp);}      ///<删除一个组件
+        virtual         void        DetachComponent     (Component *comp){ComponentSet.Delete(comp);}               ///<删除一个组件
-                        bool        Contains            (Component *comp) {return ComponentList.Contains(comp);}    ///<是否包含指定组件
+                        bool        Contains            (Component *comp){return ComponentSet.Contains(comp);}      ///<是否包含指定组件
 
                         bool        HasComponent        (const ComponentManager *);                                 ///<是否有指定组件管理器的组件
         virtual         int         GetComponents       (ArrayList<Component *> &comp_list,const ComponentManager *);    ///<取得所有组件

src/SceneGraph/CMakeLists.txt

@@ -300,6 +300,7 @@ SET(COMPONENT_FILES     ${COMPONENT_INCLUDE_PATH}/Component.h
                         ${COMPONENT_INCLUDE_PATH}/RenderComponent.h
                         ${COMPONENT_INCLUDE_PATH}/PrimitiveComponent.h
                         ${COMPONENT_INCLUDE_PATH}/StaticMeshComponent.h
+                        component/Component.cpp
                         component/ComponentManager.cpp
                         component/StaticMeshComponentManager.cpp
 )

src/SceneGraph/component/Component.cpp

@@ -0,0 +1,27 @@
+#include<hgl/component/Component.h>
+#include<hgl/graph/SceneNode.h>
+
+namespace hgl::graph
+{
+    Component::Component(ComponentData *cd,ComponentManager *cm)
+    {
+        OwnerNode=nullptr;
+        Data=cd;
+        Manager=cm;
+
+        Manager->AttachComponent(this);
+    }
+
+    Component::~Component()
+    {
+        if(OwnerNode)
+        {
+            OwnerNode->DetachComponent(this);
+            OwnerNode=nullptr;
+        }
+
+        Manager->DetachComponent(this);
+
+        SAFE_CLEAR(Data);
+    }
+}//namespace hgl::graph

src/SceneGraph/component/StaticMeshComponentManager.cpp

@@ -1,7 +1,26 @@
 #include<hgl/component/StaticMeshComponent.h>
 #include<hgl/graph/SceneNode.h>
+#include<hgl/graph/Mesh.h>
 
 COMPONENT_NAMESPACE_BEGIN
 
+StaticMeshComponentData::~StaticMeshComponentData()
+{
+    SAFE_CLEAR(mesh);
+}
+
+Component *StaticMeshComponentManager::CreateComponent(ComponentData *data)
+{
+    if(!data)return(nullptr);
+
+    return CreateStaticMeshComponent(reinterpret_cast<StaticMeshComponentData *>(data));
+}
+
+StaticMeshComponent *StaticMeshComponentManager::CreateStaticMeshComponent(StaticMeshComponentData *data)
+{
+    if(!data)return(nullptr);
+
+    return(new StaticMeshComponent(data,this));
+}
 
 COMPONENT_NAMESPACE_END

src/SceneGraph/scene/SceneNode.cpp

@@ -1,9 +1,8 @@
 #include<hgl/graph/SceneNode.h>
 #include<hgl/graph/Mesh.h>
-namespace hgl
+
+namespace hgl::graph
 {
-    namespace graph
-    {
     SceneNode *Duplication(SceneNode *src_node)
     {
         if(!src_node)
@@ -96,7 +95,7 @@ namespace hgl
 
         int result=0;
 
-            for(Component *c:ComponentList)
+        for(Component *c:ComponentSet)
         {
             if(c->GetManager()==mgr)
             {
@@ -113,7 +112,7 @@ namespace hgl
         if(!mgr)return(false);
         if(ComponentIsEmpty())return(false);
 
-            for(Component *c:ComponentList)
+        for(Component *c:ComponentSet)
         {
             if(c->GetManager()==mgr)
                 return(true);
@@ -121,5 +120,4 @@ namespace hgl
 
         return(false);
     }
-    }//namespace graph
+}//namespace hgl::graph
-}//namespace hgl