include/vrvOsg/DtOsgOverlayPolygonModelInstance.h

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/******************************************************************************
** Copyright (c) 2009 MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/
/******************************************************************************
** $RCSfile: DtOsgOverlayPolygonModelInstance.h,v $ $Revision: 1.0 $ $State: Exp $
******************************************************************************/


#pragma once

#include <vrvOsg/vrvOsg.h>
#include <vrvCore/DtModelInstance.h>
#include <osg/Vec4>
#include <osg/Vec3>
#include <osg/Quat>
#include <vector>

namespace makVrv
{
   class DtPolygon;

   class DT_DLL_VRVOSG DtOsgOverlayPolygonModelInstance
      : public DtModelInstance
   {
   public:
      DtOsgOverlayPolygonModelInstance(DtDe& de);

      virtual ~DtOsgOverlayPolygonModelInstance();

      virtual void setModelSet(int);

      virtual void setPosition( int vtx, const DtVector& position );

      virtual void setRotation(const osg::Quat& quat);

      virtual void setOrigin(const DtVector&);

      virtual void addPoint(const DtVector& point,int index);

      virtual void removePoint(int index);

      virtual void set2dOffset(int index, float x, float y);

      virtual void set3dDirection2dLength( int index, float x, float y, float z,
         float len );

      virtual void setColor(float r,float g,float b,float a);

      virtual void setTexturePath(const std::string& texturePath);

      virtual void setNumTextureTiles(double numTiles);

      virtual void setStipplePattern(unsigned int stipplePattern);

      virtual void setWidth(float width);

      virtual void setEventWidth(float width);

      virtual void setVisible(bool isVisible);

      virtual void setLockUpdates(bool lock);

      bool updatesLocked() const;

      virtual void setPickable(bool enabled);

      virtual void setEventsEnabled(bool, unsigned long long userData);

      bool eventsEnabled() const;

      virtual void setVisibleViaSwitch(bool isVisible);

      virtual void setFill(bool);

      virtual void setInsideColor( float r, float g, float b, float a );

      virtual void setOutsideColor( float r, float g, float b, float a );

   protected:

      struct VertexData
      {
         VertexData()
         : my3DPos()
         {
            my2DOffset[0] = 0.0f;
            my2DOffset[1] = 0.0f;
         }

         osg::Vec3d my3DPos;
         osg::Vec3d my3DOffset;
         float my2DLength;
         float my2DOffset[2];        
      };


      virtual void createPolygonIfNecessary();

      virtual void updateGeometry();

      virtual void updateColors();

      virtual void translateAndUpdateVertex( unsigned int index, const VertexData& vert);
      

   protected:

      typedef std::vector<VertexData> VertexList;
      VertexList myVertices;
      DtPolygon* myPolygon;

      bool myIsLocked;
      bool myGeometryIsDirty;
      bool myFilled;

      float myWidth;
      osg::Vec4 myInnerColor;
      osg::Vec4 myOuterColor;
      unsigned int myStipplePattern;
      int myModelSet;
      unsigned long long myUserData;

      bool myEventsEnabled;
      bool myGeometryDirty;
      bool myLockUpdates;
      bool myVisibleFlag;

      osg::Vec3d myOrigin;
      osg::Quat myRotation;
   };
}