VtkRenderEngine.h

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#pragma once
 
#include <RenderEngine.h>
 
#include <vtkExternalOpenGLRenderer.h>
#include <vtkExternalOpenGLRenderWindow.h>
#include <vtkExternalOpenGLCamera.h>
#include <vtkExternalLight.h>
 
#include <vtkActor.h>
#include <vtkCubeSource.h>
#include <vtkPlaneSource.h>
 
#include <vtkSequencePass.h>
#include <vtkDefaultPass.h>
#include <vtkLightsPass.h>
#include <vtkShadowMapPass.h>
#include <vtkShadowMapBakerPass.h>
#include <vtkRenderPassCollection.h>
#include <vtkCameraPass.h>
#include <vtkOverlayPass.h>
#include <vtkOpaquePass.h>
#include <vtkVolumetricPass.h>
#include <vtkTranslucentPass.h>
 
#include "VtkVisualModule.h"
 
namespace dyno
{
    class VtkRenderEngine : public RenderEngine
    {
    public:
        VtkRenderEngine();
 
        virtual void initialize() override;
        virtual void terminate() override;
        virtual void draw(dyno::SceneGraph* scene, const RenderParams& rparams) override;
 
        virtual std::string name() const override;
 
        virtual std::vector<SelectionItem> select(int x, int y, int w, int h) override;
 
    private:
        void setScene(dyno::SceneGraph* scene);
        void setCamera(const RenderParams& rparams);
 
    private:
        bool m_useOffScreen = true;
 
        vtkNew<vtkExternalOpenGLRenderer>       mVtkRenderer;
        vtkNew<vtkExternalOpenGLRenderWindow>   mVtkWindow;
        vtkNew<vtkExternalOpenGLCamera>         mVtkCamera;
 
        vtkNew<vtkLight>                        mVtkLight;
 
        std::vector<VtkVisualModule*>       mVisualModules;
 
        // ground plane
        vtkNew<vtkPlaneSource>  mPlane;
        vtkNew<vtkPlaneSource>  mPlaneWireFrame;
        vtkNew<vtkActor>        mPlaneActor;
        vtkNew<vtkActor>        mPlaneWireFrameActor;
 
        // bounding box
        vtkNew<vtkCubeSource>   mSceneCube;
        vtkNew<vtkActor>        mBoxActor;
 
        // render passes
        struct
        {
            vtkNew<vtkRenderPassCollection> passes;
            vtkNew<vtkSequencePass>         seq;
 
            vtkNew<vtkShadowMapPass>        shadow;
            vtkNew<vtkShadowMapBakerPass>   baker;
            vtkNew<vtkLightsPass>           light;
            vtkNew<vtkTranslucentPass>      translucent;
            vtkNew<vtkVolumetricPass>       volume;
            vtkNew<vtkOverlayPass>          overlay;
            vtkNew<vtkOpaquePass>           opaque;
            
            vtkNew<vtkCameraPass>           cameraPass;
        } mRenderPasses;
 
 
        SceneGraph* m_scene = NULL;
 
        friend struct GatherVisualModuleAction;
    };
};