Dario Sassi
108 lines
4.5 KiB
C++
108 lines
4.5 KiB
C++
//----------------------------------------------------------------------------
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// EgalTech 2013-2014
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//----------------------------------------------------------------------------
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// File : Scene.h Data : 03.02.14 Versione : 1.5b1
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// Contenuto : Dichiarazione della classe gestione scena.
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//
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//
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//
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// Modifiche : 29.01.14 DS Creazione modulo.
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//
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//
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//----------------------------------------------------------------------------
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#pragma once
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//----------------------------------------------------------------------------
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#include "/EgtDev/Include/EGrScene.h"
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#include "OpenGL.h"
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class IGeoObj ;
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//----------------------------------------------------------------------------
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class Scene : public IEGrScene
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{
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public :
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// Basic
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virtual ~Scene( void) ;
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virtual bool Init( IGeomDB* pGeomDB, ILogger* pLogger) ;
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virtual bool CreateContext( HDC hDC, int nDriver, bool b2Buff, int nColorBits, int nDepthBits) ;
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virtual bool IsValid( void)
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{ return ( m_hDC != nullptr && m_hRC != nullptr) ; }
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virtual std::string GetOpenGLInfo( void) ;
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virtual std::string GetGLSLInfo( void) ;
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virtual std::string GetPixelFormatInfo( void) ;
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virtual bool Reshape( int nW, int nH) ;
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virtual bool SetExtension( const BBox3d& b3Ext) ;
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virtual bool Prepare( void) ;
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virtual bool Draw( void) ;
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virtual bool Project( const Point3d& ptWorld, Point3d& ptView) ;
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virtual bool UnProject( const Point3d& ptView, Point3d& ptWorld) ;
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virtual void Destroy( void) ;
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// Camera
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virtual bool SetCenter( const Point3d& ptCenter) ;
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virtual bool SetCamera( double dAngVertDeg, double dAngOrizzDeg, double dDist) ;
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virtual bool SetCamera( int nDir, double dDist = 0) ;
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virtual const Point3d& GetCenter( void)
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{ return m_ptCenter ; }
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virtual Point3d GetProjectedCenter( void) ;
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virtual void GetCamera( double* pdAngVertDeg, double* pdAngOrizzDeg, double* pdDist = nullptr) ;
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virtual int GetCameraDir( void) ;
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virtual bool PanCamera( const Point3d& ptWinOld, const Point3d& ptWinNew) ;
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virtual bool RotateCamera( const Point3d& ptWinOld, const Point3d& ptWinNew) ;
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virtual bool ZoomAll( void) ;
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virtual bool ZoomChange( double dCoeff) ;
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virtual bool ZoomOnPoint( const Point3d& ptWin, double dCoeff) ;
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// Geometry
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virtual bool UpdateExtension( void) ;
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public :
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// Basic
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Scene( void) ;
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bool MakeCurrent( void) ;
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GLEWContext* glewGetContext( void)
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{ return &m_glewc ; }
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private :
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// Basic
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int ChooseGenPixelFormat( int nPfd, bool b2Buff, int nColorBits, int nDepthBits) ;
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WGLEWContext* wglewGetContext( void)
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{ return &m_wglewc ; }
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bool CalcExtView( void) ;
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bool CalcDimViewFromExtView( void) ;
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bool AdjustDimView( double dHalfWidth, double dHalfHeight) ;
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bool CalcClippingPlanesFromExtView( void) ;
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// Camera
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bool CalcDirUp( void) ;
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// Geometry
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bool DrawGroup( int nId) ;
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bool DrawGeoObj( IGeoObj* pGeoObj) ;
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bool DeleteObjGraphicsGroup( int nId) ;
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private :
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IGeomDB* m_pGeomDB ;
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ILogger* m_pLogger ;
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HDC m_hDC ; // Device Context
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HGLRC m_hRC ; // OpenGL Rendering Context
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WGLEWContext m_wglewc ; // WGLEW Context
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GLEWContext m_glewc ; // GLEW Context
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bool m_bNewWay ; // flag che indica nuova modalità (OpenGL 3.0 in poi)
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Point3d m_ptCenter ; // centro verso cui è rivolta la camera
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Vector3d m_vtDirCamera ; // versore direzione dal centro alla camera
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double m_dDistCamera ; // distanza dal centro alla camera
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Vector3d m_vtUp ; // versore direzione Su della camera
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bool m_bUpOk ; // flag per stato aggiornamento di Up
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int m_nViewportW ; // larghezza della finestra
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int m_nViewportH ; // altezza della finestra
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BBox3d m_b3ExtWorld ; // estensione della geometria nel riferimento globale (mondo)
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BBox3d m_b3ExtView ; // estensione nel riferimento di vista
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bool m_bExtViewOk ; // flag per stato aggiornamento di EView
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double m_dHalfWidth ;
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double m_dHalfHeight ;
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double m_dZNear ;
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double m_dZFar ;
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} ;
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