(SceneNode) Added virtual constructor idiom

(Light) Added default constructor


Former-commit-id: 591e6a8435d2cea6238e70c0058d381b8d547f3e

include/Nazara/Graphics/Light.hpp

@@ -18,12 +18,15 @@ struct NzLightUniforms;
 class NAZARA_API NzLight : public NzSceneNode
 {
 	public:
-		NzLight(nzLightType type);
+		NzLight(nzLightType type = nzLightType_Point);
 		NzLight(const NzLight& light);
 		~NzLight() = default;
 
 		void AddToRenderQueue(NzAbstractRenderQueue* renderQueue) const override;
 
+		NzLight* Clone() const;
+		NzLight* Create() const;
+
 		void Enable(const NzShader* shader, const NzLightUniforms& uniforms, int offset = 0) const;
 
 		float GetAmbientFactor() const;

include/Nazara/Graphics/Model.hpp

@@ -41,6 +41,9 @@ class NAZARA_API NzModel : public NzSceneNode
 		void AddToRenderQueue(NzAbstractRenderQueue* renderQueue) const override;
 		void AdvanceAnimation(float elapsedTime);
 
+		NzModel* Clone() const;
+		NzModel* Create() const;
+
 		void EnableAnimation(bool animation);
 
 		NzAnimation* GetAnimation() const;

include/Nazara/Graphics/SceneNode.hpp

@@ -28,6 +28,10 @@ class NAZARA_API NzSceneNode : public NzNode
 
 		virtual void AddToRenderQueue(NzAbstractRenderQueue* renderQueue) const = 0;
 
+		// Idiôme "virtual constructor"
+		virtual NzSceneNode* Clone() const = 0;
+		virtual NzSceneNode* Create() const = 0;
+
 		void EnableDrawing(bool drawingEnabled);
 
 		NzVector3f GetBackward() const;

include/Nazara/Graphics/SceneRoot.hpp

@@ -27,6 +27,9 @@ class NAZARA_API NzSceneRoot : public NzSceneNode
 		NzSceneRoot(NzScene* scene);
 		virtual ~NzSceneRoot();
 
+		NzSceneRoot* Clone() const;
+		NzSceneRoot* Create() const;
+
 		void MakeBoundingVolume() const override;
 		void Register();
 		void Unregister();

include/Nazara/Graphics/Sprite.hpp

@@ -22,6 +22,9 @@ class NAZARA_API NzSprite : public NzSceneNode
 
 		void AddToRenderQueue(NzAbstractRenderQueue* renderQueue) const override;
 
+		NzSprite* Clone() const;
+		NzSprite* Create() const;
+
 		const NzColor& GetColor() const;
 		NzMaterial* GetMaterial() const;
 		nzSceneNodeType GetSceneNodeType() const override;

include/Nazara/Graphics/TextSprite.hpp

@@ -28,6 +28,9 @@ class NAZARA_API NzTextSprite : public NzSceneNode, NzAbstractAtlas::Listener
 
 		void Clear();
 
+		NzTextSprite* Clone() const;
+		NzTextSprite* Create() const;
+
 		const NzColor& GetColor() const;
 		NzMaterial* GetMaterial() const;
 		nzSceneNodeType GetSceneNodeType() const override;

src/Nazara/Graphics/Light.cpp

@@ -47,6 +47,16 @@ void NzLight::AddToRenderQueue(NzAbstractRenderQueue* renderQueue) const
 	renderQueue->AddLight(this);
 }
 
+NzLight* NzLight::Clone() const
+{
+	return new NzLight(*this);
+}
+
+NzLight* NzLight::Create() const
+{
+	return new NzLight;
+}
+
 void NzLight::Enable(const NzShader* shader, const NzLightUniforms& uniforms, int offset) const
 {
 	/*

src/Nazara/Graphics/Model.cpp

@@ -66,6 +66,16 @@ void NzModel::AddToRenderQueue(NzAbstractRenderQueue* renderQueue) const
 	}
 }
 
+NzModel* NzModel::Clone() const
+{
+	return new NzModel(*this);
+}
+
+NzModel* NzModel::Create() const
+{
+	return new NzModel;
+}
+
 NzMaterial* NzModel::GetMaterial(const NzString& subMeshName) const
 {
 	#if NAZARA_GRAPHICS_SAFE

src/Nazara/Graphics/SceneRoot.cpp

@@ -30,6 +30,18 @@ bool NzSceneRoot::IsDrawable() const
 	return true;
 }
 
+NzSceneRoot* NzSceneRoot::Clone() const
+{
+	NazaraInternalError("SceneNode::Clone() called on SceneRoot");
+	return nullptr;
+}
+
+NzSceneRoot* NzSceneRoot::Create() const
+{
+	NazaraInternalError("SceneNode::Create() called on SceneRoot");
+	return nullptr;
+}
+
 void NzSceneRoot::MakeBoundingVolume() const
 {
 	m_boundingVolume.MakeInfinite();

src/Nazara/Graphics/Sprite.cpp

@@ -48,6 +48,16 @@ void NzSprite::AddToRenderQueue(NzAbstractRenderQueue* renderQueue) const
 	renderQueue->AddSprites(m_material, m_vertices, 1);
 }
 
+NzSprite* NzSprite::Clone() const
+{
+	return new NzSprite(*this);
+}
+
+NzSprite* NzSprite::Create() const
+{
+	return new NzSprite;
+}
+
 const NzColor& NzSprite::GetColor() const
 {
 	return m_color;

src/Nazara/Graphics/TextSprite.cpp

@@ -65,6 +65,16 @@ void NzTextSprite::Clear()
 	m_vertices.clear();
 }
 
+NzTextSprite* NzTextSprite::Clone() const
+{
+	return new NzTextSprite(*this);
+}
+
+NzTextSprite* NzTextSprite::Create() const
+{
+	return new NzTextSprite;
+}
+
 const NzColor& NzTextSprite::GetColor() const
 {
 	return m_color;