修复组件能多次加载得问题

src/entities/AngleReflexComponent.h

@@ -13,7 +13,7 @@ public:
 	~AngleReflexComponent();
 
 	static std::string GetTypeName();
-    std::string GetSelfTypeName() override {
+    std::string GetSelfTypeName() const override {
         return AngleReflexComponent::GetTypeName();
     }
 

src/entities/ChaffBombsComponent.h

@@ -13,7 +13,7 @@ public:
 	~ChaffBombsComponent();
 
 	static std::string GetTypeName();
-    std::string GetSelfTypeName() override {
+    std::string GetSelfTypeName() const override {
         return ChaffBombsComponent::GetTypeName();
     }
 

src/entities/Component.cpp

@@ -86,6 +86,10 @@ std::vector<SceneComponent*> Component::GetChildren() const {
     return std::vector<SceneComponent*>();
 }
 
+bool Component::HasComponent(const std::string& name) const {
+    return false;
+}
+
 bool Component::OnDestroy() {
     return true;
 }
@@ -94,7 +98,7 @@ std::string Component::GetTypeName() {
     return "Component";
 }
 
-std::string Component::GetSelfTypeName() {
+std::string Component::GetSelfTypeName() const {
     return Component::GetTypeName();
 }
 

src/entities/Component.h

@@ -26,9 +26,10 @@ public:
 	virtual bool OnDestroy();
 
 	static std::string GetTypeName();
-	virtual std::string GetSelfTypeName();
+	virtual std::string GetSelfTypeName() const;
 	virtual void AttachEntity(class Entity* owner);
     virtual bool AttachTo(class SceneComponent* parent);
+	virtual bool HasComponent(const std::string& name) const;
 	class Entity* GetEntity() const {
 		return owner_;
 	}
@@ -36,6 +37,7 @@ public:
 		return uuid_;
 	}
 	
+
 protected:
 	void SetUUId(const QString& uuid) {
 		uuid_ = uuid;

src/entities/ConeWaveComponent.h

@@ -15,7 +15,7 @@ public:
 	~ConeWaveComponent();
 
 	static std::string GetTypeName();
-    std::string GetSelfTypeName() override {
+    std::string GetSelfTypeName() const override {
         return ConeWaveComponent::GetTypeName();
     }
 

src/entities/DashedLineComponent.h

@@ -13,7 +13,7 @@ public:
 	~DashedLineComponent();
 
 	static std::string GetTypeName();
-    std::string GetSelfTypeName() override {
+    std::string GetSelfTypeName() const override {
         return DashedLineComponent::GetTypeName();
     }
 

src/entities/Entity.cpp

@@ -183,6 +183,13 @@ void Entity::SetParent(Entity* parent) {
     parent_->childer_.push_back(this);
 }
 
+bool Entity::HasComponent(const std::string& name) const {
+    if (nullptr == rootComponet_) {
+        return false;
+    }
+    return rootComponet_->HasComponent(name);
+}
+
 void Entity::SetVisible(bool v) {
     LOG_INFO("set visible: {}", v);
     if (nullptr == rootComponet_) {

src/entities/Entity.h

@@ -56,6 +56,8 @@ public:
         return rootComponet_->GetComponent();
     }
 
+	bool HasComponent(const std::string& name) const; 
+
 	void SetRootComponent(SceneComponent* root) {
 		rootComponet_ = root;
 	}

src/entities/LabelComponent.cpp

@@ -78,7 +78,7 @@ bool LabelComponent::SaveAttribute(tinyxml2::XMLElement* element) {
     return SceneComponent::SaveAttribute(element);
 }
 
-std::string LabelComponent::GetSelfTypeName() {
+std::string LabelComponent::GetSelfTypeName() const {
     return LabelComponent::GetTypeName();
 }
 

src/entities/LabelComponent.h

@@ -20,7 +20,7 @@ public:
     void AttachEntity(class Entity* owner) override;
     bool SetAttribute(const char* name, const char* value) override;
     bool SaveAttribute(tinyxml2::XMLElement* element) override;
-    std::string GetSelfTypeName() override;
+    std::string GetSelfTypeName() const override;
 
     void Begin() override;
     void Update(double dt) override;

src/entities/MeshComponent.cpp

@@ -29,7 +29,7 @@ bool MeshComponent::SaveAttribute(tinyxml2::XMLElement* element) {
     return SceneComponent::SaveAttribute(element);
 }
 
-std::string MeshComponent::GetSelfTypeName() {
+std::string MeshComponent::GetSelfTypeName() const {
     return MeshComponent::GetTypeName();
 }
 

src/entities/MeshComponent.h

@@ -16,7 +16,7 @@ public:
 
 	bool SetAttribute(const char* name, const char* value) override;
 	bool SaveAttribute(tinyxml2::XMLElement* element) override;
-	std::string GetSelfTypeName() override;
+	std::string GetSelfTypeName() const override;
 
 	bool LoadNode(const char* mesh);
 	const std::string& GetMesh() const {

src/entities/PathComponent.h

@@ -12,7 +12,7 @@ public:
 	~PathComponent();
 
 	static std::string GetTypeName();
-	std::string GetSelfTypeName() override {
+	std::string GetSelfTypeName() const override {
 		return PathComponent::GetTypeName();
 	}
 

src/entities/SceneComponent.cpp

@@ -262,6 +262,19 @@ void SceneComponent::AddToRender() {
     }
 }
 
+bool SceneComponent::HasComponent(const std::string& name) const {
+    if (GetSelfTypeName() == name) {
+        return true;
+    }
+
+    for (auto& componet : children_) {
+        if (componet->GetSelfTypeName() == name) {
+            return true;
+        }
+    }
+    return false;
+}
+
 void SceneComponent::SetVisible(bool v) {
     visible_ = v;
     if (nullptr == mt_) {

src/entities/SceneComponent.h

@@ -10,6 +10,7 @@
 
 #include "osg/Vec3"
 #include "osg/MatrixTransform"
+#include "Entity.h"
 
 class SceneComponent : public Component {
 	Q_OBJECT
@@ -30,6 +31,7 @@ public:
 	bool AttachTo(SceneComponent* parent) override;
 
 	virtual void AddToRender();
+	virtual bool HasComponent(const std::string& name) const override;
 
 	SceneComponent* GetRootComponent() const;
 

src/translations/Dyt_zh_CN.ts

@@ -668,22 +668,22 @@
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../ui/ModelBrowser/ModelTreeWidget.cpp" line="270"/>
+        <location filename="../ui/ModelBrowser/ModelTreeWidget.cpp" line="273"/>
         <source>Add Label Component</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../ui/ModelBrowser/ModelTreeWidget.cpp" line="277"/>
+        <location filename="../ui/ModelBrowser/ModelTreeWidget.cpp" line="283"/>
         <source>Add Mesh Component</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../ui/ModelBrowser/ModelTreeWidget.cpp" line="280"/>
+        <location filename="../ui/ModelBrowser/ModelTreeWidget.cpp" line="293"/>
         <source>Add Path Component</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../ui/ModelBrowser/ModelTreeWidget.cpp" line="287"/>
+        <location filename="../ui/ModelBrowser/ModelTreeWidget.cpp" line="301"/>
         <source>Delete</source>
         <translation type="unfinished"></translation>
     </message>

src/ui/ModelBrowser/ModelTreeWidget.cpp

@@ -258,7 +258,7 @@ void ModelTreeWidget::PopupEntityMenu(QContextMenuEvent* event, Entity* entity)
             );
             menu.addAction(releaseTrack);
         }
-    } else {
+        else {
             QAction* addEntiy = new QAction(tr("Track"), this);
             menu.addAction(addEntiy);
             connect(addEntiy, &QAction::triggered, [this, entity]() {
@@ -266,25 +266,39 @@ void ModelTreeWidget::PopupEntityMenu(QContextMenuEvent* event, Entity* entity)
                 }
             );
         }
+    } 
     
+	bool hasLableComponent = entity->HasComponent("LabelComponent");
+    if (!hasLableComponent) {
         QAction* addEntiy = new QAction(tr("Add Label Component"), this);
         menu.addAction(addEntiy);
         connect(addEntiy, &QAction::triggered, [this, entity]() {
             OnAddComponent("LabelComponent", entity);
             }
         );
+    }
 
-    addEntiy = new QAction(tr("Add Mesh Component"), this);
+    bool hasMeshComponent = entity->HasComponent("MeshComponent");
+    if (!hasMeshComponent) {
+        QAction* addEntiy = new QAction(tr("Add Mesh Component"), this);
         menu.addAction(addEntiy);
+        connect(addEntiy, &QAction::triggered, [this, entity]() {
+            OnAddComponent("MeshComponent", entity);
+            }
+        );
+    }
 
-    addEntiy = new QAction(tr("Add Path Component"), this);
+    bool hasPathComponent = entity->HasComponent("PathComponent");
+    if (!hasPathComponent) {
+        QAction* addEntiy = new QAction(tr("Add Path Component"), this);
         menu.addAction(addEntiy);
         connect(addEntiy, &QAction::triggered, [this, entity]() {
             OnAddComponent("PathComponent", entity);
             }
         );
+    }
 
-    addEntiy = new QAction(tr("Delete"), this);
+    QAction* addEntiy = new QAction(tr("Delete"), this);
     menu.addAction(addEntiy);
     connect(addEntiy, &QAction::triggered, [this, entity]() {
         OnDeleteEntity(entity);