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cybelevationgridc.h

Go to the documentation of this file.

/*
Copyright (C) 1999  Carsten Winkelholz

Address:  FGAN Forschungsgesellschaft f�r Angewandte Naturwissenschaften e. V.
      Neuenahrer Str. 20
      D - 53343 Wachtberg
      
Email:    winkelholz@fgan.de

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*/

#ifndef CYBELEVATIONGRID_HC
#define CYBELEVATIONGRID_HC

#include "oaw/ctk/cybgeometryc.h"
#include "oaw/ctk/cybcolorc.h"
#include "oaw/ctk/cybnormalc.h"
#include "oaw/ctk/cybtexturecoordinatec.h"
#include "oaw/ctk/cybwrlfields.h"
#include "../oawconfig.h"

OAW_BEGIN_NAMESPACE


typedef ArrayC<long> LongArray;

class CybIsectLineChannelC;

class OAW_DLLMAPPING CybElevationGridC : public CybGeometryC
{
public:
  CybElevationGridC(CybWorldC*);
  CybElevationGridC(const CybElevationGridC&);
  CybElevationGridC& operator = (const CybElevationGridC&);
  ~CybElevationGridC();
  virtual void CreateNewCopy(CybNodeC*);
  virtual void FinishInit();
  virtual long GetFieldEventID(const char*);
  virtual long GetFieldDataType(long);
  virtual void SetEvent(long,const void*, BaseI*);
  virtual int SetNode(CybNodeC*);

  virtual void ToChannelDefault(CybChannelC* pV, long lFlag);
  virtual void ToChannelTexture(CybChannelC* pV, long lFlag);
  virtual void ToIsectLineChannel(CybIsectLineChannelC* pIsectChan);
protected:
  void InitDefault();
  virtual void LoadVRML(char*& iter, const char* iterEnd,long& znr);
  void SetColor(CybColorC*);
  void SetNormal(CybNormalC*);
  void SetTextureCoordinate(CybTextureCoordinateC*);
  void CalcPoints();
  void CalcBSphere();
  void CalcTris();
  void CreaseAngles();
  virtual void ClearArrays();
  virtual void EventCascadeEnd();
  virtual void PrepareRender();
//private:
  ArrayC<VectorC> GetNormalsToVertex(long x, long y);
  VectorC CalcCreasedNormalOf(long x,long z, long t,long e);  
protected:
  CybColorC* m_pColor;
  CybNormalC* m_pNormal;
  CybTextureCoordinateC* m_pTextureCoordinate;

  short m_bReCalc;

  MFFloat m_height;
  SFBool m_ccw;
  SFBool m_colorPerVertex;
  SFFloat m_creaseAngle;
  SFBool m_normalPerVertex;
  SFBool m_solid;
  SFInt32 m_xDimension;
  SFFloat m_xSpacing;
  SFInt32 m_zDimension;
  SFFloat m_zSpacing;

  
  static char VRMLKeyStrList[][30];
  // Vector which holds all the Points of the El.Grid
  // this will hopefully speed up BSphere Calculations and 
  // Rendering. Since it gets Only updated on new HeightField
  ArrayC<SFVec3f> m_vPoints;
  ArrayC<float> m_vTris;
  ArrayC<float> m_vTriColors;
  ArrayC<float> m_vTriNormals;
  ArrayC<float> m_vTriTexCoords;
  ArrayC<SFVec3f> m_vTriNormals_help;

};

OAW_END_NAMESPACE


#endif

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