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cybwaterc.h

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/*
Copyright (C) 2002  Malte Weiß, Carsten Winkelholz

Malte Weiß, 20.08.2002: Native node developed.
            21.08.2002: Field 'waveFocus' added.
            22.08.2002: Field 'culling' added.
                        Line intersection tests added.
            25.08.2002: Bounding-sphere regarded.

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 CYBWATER_HC
#define CYBWATER_HC

#include "oaw/ctk/cybgeometryc.h"
#include "oaw/ctk/cybwrlfields.h"
#include "oaw/ctk/cybtexturemanagerc.h"
#include "oaw/ctk/vertexc.h"
#include "../oawconfig.h"

OAW_BEGIN_NAMESPACE


class CybIsectLineChannelC;

// Class definition
  
class OAW_DLLMAPPING CybWaterC : public CybGeometryC
{
public:
  CybWaterC(CybWorldC*);
  CybWaterC(const CybWaterC&);
  CybWaterC& operator = (const CybWaterC&);
  virtual void CreateNewCopy(CybGeometryC* pNode);
  virtual ~CybWaterC();

  virtual void FinishInit();
  virtual void SetEvent(long, const void*, BaseI*);
  virtual long GetFieldEventID(const char*);
  virtual long GetFieldDataType(long);

  virtual void ToChannelDefault(CybChannelC*, long lFlag);
  virtual void ToChannelTexture(CybChannelC*, long lFlag);
  virtual void ToIsectLineChannel(CybIsectLineChannelC*);

protected:
  void         SendIsBoundOutEvents(SFBool b);
  virtual void LoadVRML(char*& iter, const char* iterEnd,long& znr);
  
protected:
  virtual void CleanupRender() {}
  virtual void PrepareRender();

  void UpdateWaves();
  void TriToIsectLineChannel(CybIsectLineChannelC* pIsectChan, VectorC &vStartLine, VectorC &vEndLine, StandardVertex &v0, StandardVertex &v1, StandardVertex &v2);

public:
  // Water properties
  SFBool    m_bEnabled;          // Enabled
  SFFloat   m_fXDimension;       // Dimension
  SFFloat   m_fZDimension;
  SFFloat   m_fXSpacing;         // Spacing
  SFFloat   m_fZSpacing;
  SFVec3f   m_vCenter;           // Center of wave creation
  SFBool    m_bWaveFocus;        // Have waves a point source?
  SFFloat   m_fWaveLength;       // Wave length
  SFFloat   m_fWaveAmplitude;    // Wave amplitude
  SFFloat   m_fWaveAttenuation;  // Wave attenuation
  TimeC     m_tCycleInterval;    // Time for one wave cycle
  SFVec2f   m_vTextureFactor;    // Texture factor
  SFBool    m_bReverse;          // Reverse water movement
  SFBool    m_bCulling;          // Culling enabled?

  SFBool    m_bUpdateRender;     // Must render data be updated?

  // Water texture
  TEXTURE   m_pTexture;

  // Key list
  static char VRMLKeyStrList[][30];

protected:
  // GEOMETRY

  // Water box
  StandardVertex *m_pVertices;
  unsigned int   *m_pIndices;

  // Counts
  long            m_lNumVertices, m_lNumIndices;
  long            m_lWidth, m_lHeight;
};

OAW_END_NAMESPACE


#endif

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