source: trunk/VUT/work/TestCulling/TestCullingApplication.h @ 61

/**
    \file 
        TestCullingApplication.h
*/
#include "CEGUIForwardRefs.h"
#include "ExampleApplication.h"
//#include "OgreVisibilitySceneTraverser.h"


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

String mCurrentAlgorithmCaptions[3] = 
{
    "Cull Frustum", 
        "Stop and Wait", 
        "Coherent Occlusion Culling"
};

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

    MouseQueryListener(RenderWindow* win, Camera* cam, SceneManager *sceneManager, 
                        CEGUI::Renderer *renderer);


    ~MouseQueryListener( );

        bool frameStarted(const FrameEvent& evt);
        bool frameEnded(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 changeAlgorithm();
        void changeThreshold(int incr);
        void changeStats();

protected:
    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 mThreshold;

        OverlayElement *mAlgorithmInfo;
        OverlayElement *mThresholdInfo;
        OverlayElement *mFrustumCulledNodesInfo;
        OverlayElement *mQueryCulledNodesInfo;
    OverlayElement *mTraversedNodesInfo;
        OverlayElement *mHierarchyNodesInfo;
        OverlayElement *mSceneNodesInfo;
        OverlayElement *mRenderedNodesInfo;
};


class TestCullingApplication : public ExampleApplication
{
protected:
        void createScene(void);
        void createFrameListener(void);
        void setupGui(void);
        /** generates a the scene hierarchy with random values 
        @param number of objects to generate
        */
        void generateScene(int numObjects);

        /** generates a new scene object 
        @param tranlationRatio ratio between minimal and maximal possible translation
        @param rotationRatio ratio between minimal and maximal possible rotation
        @idx the index of the new object
        @entName the name of the object entity
        */
        void generateSceneObject(const Vector3 &translationRatio, const Vector3 &rotationRatio, 
                                                         const int idx, const String &entName);

        //virtual void createCamera(void);

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

        Vector3 mMinTranslation;
        Vector3 mMaxTranslation;

        Vector3 mMinAngle;
        Vector3 mMaxAngle;

private:
        void chooseSceneManager(void);
};