ViewportWindow.h

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// Copyright © 2008-2024 Pioneer Developers. See AUTHORS.txt for details
// Licensed under the terms of the GPL v3. See licenses/GPL-3.txt
 
#pragma once
 
#include "editor/EditorWindow.h"
#include "graphics/Graphics.h"
#include "imgui/imgui.h"
 
#include <memory>
 
namespace Graphics
{
    class Renderer;
    class RenderTarget;
}
 
namespace Editor
{
 
    class ViewportWindow : public EditorWindow {
    public:
        ViewportWindow(EditorApp *app);
        ~ViewportWindow();
 
        virtual void OnAppearing() override;
        virtual void OnDisappearing() override;
 
        virtual void Update(float deltaTime) override;
 
    protected:
 
        virtual void OnUpdate(float deltaTime) = 0;
        virtual void OnRender(Graphics::Renderer *renderer) = 0;
 
        virtual void OnHandleInput(bool clicked, bool released, ImVec2 mousePos) = 0;
 
        virtual ImGuiWindowFlags SetupWindowFlags();
 
        void CreateRenderTarget();
 
        Graphics::RenderTarget *GetRenderTarget() { return m_renderTarget.get(); }
        const Graphics::ViewportExtents &GetViewportExtents() const { return m_viewportExtents; }
 
        bool IsViewportPressed() const { return m_viewportActive; }
        bool IsViewportHovered() const { return m_viewportHovered; }
 
    private:
 
        std::unique_ptr<Graphics::RenderTarget> m_renderTarget;
        std::unique_ptr<Graphics::RenderTarget> m_resolveTarget;
        Graphics::ViewportExtents m_viewportExtents;
 
        bool m_viewportActive;
        bool m_viewportHovered;
 
    };
}