static vertex constant buffer + protected:tion

hw3d/Drawable.h

@@ -14,9 +14,10 @@ public:
 	virtual DirectX::XMMATRIX GetTransformXM() const noexcept = 0;
 	void Draw( Graphics& gfx ) const noexcept(!IS_DEBUG);
 	virtual void Update( float dt ) noexcept = 0;
+	virtual ~Drawable() = default;
+protected:
 	void AddBind( std::unique_ptr<Bindable> bind ) noexcept(!IS_DEBUG);
 	void AddIndexBuffer( std::unique_ptr<class IndexBuffer> ibuf ) noexcept(!IS_DEBUG);
-	virtual ~Drawable() = default;
 private:
 	virtual const std::vector<std::unique_ptr<Bindable>>& GetStaticBinds() const noexcept = 0;
 private:

hw3d/DrawableBase.h

@@ -5,14 +5,14 @@
 template<class T>
 class DrawableBase : public Drawable
 {
-public:
-	bool IsStaticInitialized() const noexcept
+protected:
+	static bool IsStaticInitialized() noexcept
 	{
 		return !staticBinds.empty();
 	}
-	void AddStaticBind( std::unique_ptr<Bindable> bind ) noexcept(!IS_DEBUG)
+	static void AddStaticBind( std::unique_ptr<Bindable> bind ) noexcept(!IS_DEBUG)
 	{
-		assert( "*Must* use AddIndexBuffer to bind index buffer" && typeid(*bind) != typeid(IndexBuffer) );
+		assert( "*Must* use AddStaticIndexBuffer to bind index buffer" && typeid(*bind) != typeid(IndexBuffer) );
 		staticBinds.push_back( std::move( bind ) );
 	}
 	void AddStaticIndexBuffer( std::unique_ptr<IndexBuffer> ibuf ) noexcept(!IS_DEBUG)
@@ -38,7 +38,7 @@ private:
 	const std::vector<std::unique_ptr<Bindable>>& GetStaticBinds() const noexcept override
 	{
 		return staticBinds;
-	}	
+	}
 private:
 	static std::vector<std::unique_ptr<Bindable>> staticBinds;
 };

hw3d/TransformCbuf.cpp

@@ -2,16 +2,22 @@
 
 TransformCbuf::TransformCbuf( Graphics& gfx,const Drawable& parent )
 	:
-	vcbuf( gfx ),
 	parent( parent )
-{}
+{
+	if( !pVcbuf )
+	{
+		pVcbuf = std::make_unique<VertexConstantBuffer<DirectX::XMMATRIX>>( gfx );
+	}
+}
 
 void TransformCbuf::Bind( Graphics& gfx ) noexcept
 {
-	vcbuf.Update( gfx,
+	pVcbuf->Update( gfx,
 		DirectX::XMMatrixTranspose(
 			parent.GetTransformXM() * gfx.GetProjection()
 		)
 	);
-	vcbuf.Bind( gfx );
+	pVcbuf->Bind( gfx );
 }
+
+std::unique_ptr<VertexConstantBuffer<DirectX::XMMATRIX>> TransformCbuf::pVcbuf;
\ No newline at end of file

hw3d/TransformCbuf.h

@@ -9,6 +9,6 @@ public:
 	TransformCbuf( Graphics& gfx,const Drawable& parent );
 	void Bind( Graphics& gfx ) noexcept override;
 private:
-	VertexConstantBuffer<DirectX::XMMATRIX> vcbuf;
+	static std::unique_ptr<VertexConstantBuffer<DirectX::XMMATRIX>> pVcbuf;
 	const Drawable& parent;
 };
\ No newline at end of file