source: trunk/VUT/work/TestCullingTerrain/TestCullingTerrainApplication.h @ 104

/**
    \file 
        TestCullingTerrainApplication.h
*/
#include "CEGUIForwardRefs.h"
#include "ExampleApplication.h"
#include "TerrainContentGenerator.h"
#include "VisibilityEnvironment.h"
#include <OgreRenderTargetListener.h>


Real timeDelay = 0;
#define KEY_PRESSED(_key,_timeDelay, _macro) \
{ \
    if (mInputDevice->isKeyDown(_key) && timeDelay <= 0) \
{ \
    timeDelay = _timeDelay; \
    _macro ; \
} \
}

String mCurrentAlgorithmCaptions[GtpVisibility::VisibilityEnvironment::NUM_CULLING_MANAGERS] = 
{
    "View Frustum Culling", 
        "Stop and Wait Culling", 
        "Coherent Hierarchical Culling"
};

class VisualizationRenderTargetListener: public RenderTargetListener
{
public:
        VisualizationRenderTargetListener(SceneManager *sceneMgr);

protected:
        void preViewportUpdate (const RenderTargetViewportEvent &evt);
        void postRenderTargetUpdate (const RenderTargetEvent &evt);

        SceneManager *mSceneMgr;
};

class MouseQueryListener : public ExampleFrameListener, public MouseListener, public MouseMotionListener
{
public:

    MouseQueryListener(RenderWindow* win, Camera* cam, SceneManager *sceneManager, 
                CEGUI::Renderer *renderer, TerrainContentGenerator *contentGenerator, Camera *vizCamera,
                SceneNode *camNode);

    ~MouseQueryListener();

        bool frameStarted(const FrameEvent& evt);
        bool frameEnded(const FrameEvent& evt);
        bool processUnbufferedKeyInput(const FrameEvent& evt);
    

    /* MouseListener callbacks. */
    virtual void mouseClicked(MouseEvent* e) { }
    virtual void mouseEntered(MouseEvent* e) { }
    virtual void mouseExited(MouseEvent* e)  { }

    // This is when the mouse button goes DOWN.
    virtual void mousePressed(MouseEvent* e);

    // This is when the mouse button is let UP.
    virtual void mouseReleased(MouseEvent* e);

    /* MouseMotionListener callbacks */
    virtual void mouseMoved (MouseEvent *e);
   
    // This is when the mouse is clicked, held and dragged.
    virtual void mouseDragged (MouseEvent *e);

    void keyPressed(KeyEvent* e);

        void keyReleased(KeyEvent* e);
        void keyClicked(KeyEvent* e);

        void nextAlgorithm();
        void setAlgorithm(int algorithm);
        void changeThreshold(int incr);
        void updateStats();
        void toggleUseOptimization();
        void toggleShowOctree();
        void toggleUseVisibilityCulling();
        void toggleShowViz();
        void toggleRenderNodesForViz();
        void zoomVizCamera(int zoom);
        void moveCamera();


protected:
        void Clamp2Terrain();

        bool NextLocation();

    bool mLMouseDown, mRMouseDown;     // True if the mouse buttons are down
    SceneManager *mSceneMgr;           // A pointer to the scene manager
    
        CEGUI::Renderer *mGUIRenderer;     // cegui renderer
        
        bool mShutdownRequested;
        int mCurrentAlgorithm;
        int mVisibilityThreshold;

        OverlayElement *mAlgorithmInfo;
        OverlayElement *mThresholdInfo;
        OverlayElement *mFrustumCulledNodesInfo;
        OverlayElement *mQueryCulledNodesInfo;
    OverlayElement *mTraversedNodesInfo;
        OverlayElement *mHierarchyNodesInfo;
        OverlayElement *mUseOptimizationInfo;
        OverlayElement *mRenderedNodesInfo;
        OverlayElement *mObjectsInfo;
        OverlayElement *mQueriesIssuedInfo;

        SceneNode *mCurrentObject;         // The newly created object
        int mCount;                        // The number of robots on the screen

        RayQueryExecutor *mRayQueryExecutor;
        TerrainContentGenerator *mTerrainContentGenerator;

        bool mUseOptimization;
        bool mShowOctree;
        bool mUseVisibilityCulling;
        bool mShowVisualization;
        bool mRenderNodesForViz;
        bool mCullCamera;

        Real mVizCameraHeight;

        Camera *mVizCamera;
        SceneNode *mCamNode;
        Real mWalkSpeed;
        Real mDistance;
        Vector3 mDestination;
        Vector3 mDirection;

        std::deque<Vector3> mWalkList;   // The list of points we are walking to
};


class TestCullingTerrainApplication : public ExampleApplication
{
public:
        ~TestCullingTerrainApplication();

protected:
        //-- inherited from ExampleApplication
        bool setup();
        void createScene();
        void createFrameListener();
        void createCamera();
        //void createViewports();
        
        virtual void createRenderTargetListener();

        /** cegui setup */
        void setupGui();

        CEGUI::OgreCEGUIRenderer *mGUIRenderer;
        CEGUI::System *mGUISystem;

        Vector3 mMinTranslation;
        Vector3 mMaxTranslation;

        Vector3 mMinAngle;
        Vector3 mMaxAngle;

        TerrainContentGenerator *mTerrainContentGenerator;
        
        Camera *mVizCamera;
        SceneNode *mCamNode;
        VisualizationRenderTargetListener *mRenderTargetListener;

private:
        void chooseSceneManager(void);
};