basic/geometry/IGS/IGS_Controller.h

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#ifndef _IGS_CONTROLLER_
#define _IGS_CONTROLLER_

#include "IGS_ImageByte1.h"
#include "IGS_ImageFloat1.h"
#include "IGS_ImageFloat3.h"
#include "math/segment.h"
#include "math/vector4.h"

#ifndef AUX
    #define NOAUX
#endif

enum enumGBufferTypes
{
        G_PHOTOREALISTIC = 0,
        G_COLOR,
        G_DEPTH,
        G_NORMAL,
        G_NORMAL_WRT_CAMERA,
        G_UV,
        G_SILHOUETTE_ONLY,
        G_INVALID
};

extern int gGlGuid;

class IGS_Controller
{
public:
        IGS_Controller();
        ~IGS_Controller();
        void        BeginFrame() const;
    Segment     ConvertMouseClick( const int x, const int y ) const;
        #ifndef NOAUX
        void        CreateInitialWindow() const;
        #endif
        void        DoLighting() const;
        void        EndFrame() const;
        unsigned int FrameNumber() const;
        Vector4         GetCameraDirection() const;
        float           GetSilhouetteEdgeWidth() const;
        enumGBufferTypes GetRenderStyle() const;
        double          GetWindowXMax() const;
        double          GetWindowXMin() const;
        double          GetWindowYMax() const;
        double          GetWindowYMin() const;
        void Process();
        void RegisterInitialWindow( HWND hwnd );
        void ScreenCapture();
        void SetCameraLookat( const Vector4& vector );
        void SetCameraPosition( const Vector4& vector );
        void SetClearColor( IGS_Color& color );
        void SetRenderSilhouettes( bool onOff );
        void SetRenderStyle( enumGBufferTypes style );
        void SetSilhouetteEdgeWidth( const float width );
        bool SettingLightingEnabled() const;
        bool SettingNormalsRelativeToCamera() const;
        bool SettingRenderNormals() const;
        bool SettingRenderNormalsAsColors() const;
        bool SettingRenderSilhouettes() const;
        void SetWindowResolution( const int xres, const int yres );
        void SetWindowRect
        ( 
                const double xMin, 
                const double xMax, 
                const double yMin, 
                const double yMax,
                const double zMin = -100, 
                const double zMax =  100 
        );

        //IAN IMPROVE: these should be protected
        IGS_ImageFloat3 mGbufferColor;
        IGS_ImageFloat1 mGbufferDepth;


protected:
        mutable unsigned int mFrameNumber;
        Vector4 mCameraEye;
        Vector4 mCameraTarget;
        Vector4 mCameraUp;
        unsigned char* mColorDefault;

#ifndef NOGL
        GLclampf mColorClear[ 4 ];
        GLbitfield mGlClearBits;
#endif
#ifdef WIN32
        mutable HDC mHdc;
        HGLRC mHglrc;
        HWND mHwnd;
#endif
        bool    mSettingAlphaBlendingOn;
        bool    mSettingAnimationOn;
        bool    m_SettingAntiAliasingOn;
        int             mSettingDebugMessageLevel;
        bool    mSettingDepthTestingOn;
        bool    mSettingDoubleBufferingOn;
        bool    mSettingLightingEnabled;
        bool    mSettingNormalsRelativeToCamera;
        float   m_SettingPointSize;
        bool    mSettingRenderNormals;
        bool    mSettingRenderNormalsAsColors;
        bool    mSettingRenderSilhouettes;
        enumGBufferTypes mSettingRenderStyle;
#ifndef NOGL
        GLenum  mSettingShadingModel;
#endif
        float   mSettingSilhouetteEdgeWidth;
        bool    mSettingTexturingOn;
        double  m_SettingWindowXmin;
        double  m_SettingWindowXmax;
        double  m_SettingWindowYmin;
        double  m_SettingWindowYmax;
        double  m_SettingWindowZmin;
        double  m_SettingWindowZmax;
        bool    mStateScreenCaptureDone;
        int             mWindowResolutionX;
        int             mWindowResolutionY;
};

#endif

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