DtStippledPrimitiveStyle.h

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/*****************************************************************************
 * Copyright (c) 2022 MAK Technologies, Inc.
 * All rights reserved.
 *****************************************************************************/


#pragma once

#include <vrvGraphics/DtPrimitiveStyle.h>
#include <vrvGraphics/DtFlat2DRenderer.h>

#include <vector>
#include <map>

namespace makVrv
{

   class DtOverlayResourceProvider;

   class DT_DLL_VRVGRAPHICS DtStippledPrimitiveStyle : public DtPrimitiveStyle
   {
   public:

      DtStippledPrimitiveStyle( DtOverlayResourceProvider& provider,
         unsigned int vertexCount );

      virtual ~DtStippledPrimitiveStyle();

      virtual void add( unsigned int* );

      virtual void remove( unsigned int index );

      virtual void render( int mode, unsigned int groupCount, bool geocentric,
         float geocentricAlpha, const double cameraLocation[3],
         const double positionMatrix[16], 
         const double projectionMatrix[16],
         int offset);

      virtual void update( int renderMode );



      virtual void set3DVertexPosition( unsigned int index, unsigned int vertex,
         float x, float y, float z, float w = 0 );

      virtual void set3DVertexQuadPositions(unsigned int index,
          float x, float y, float z, float w);

      virtual void get3DVertexPosition( unsigned int index, unsigned int vertex,
         float& x, float& y, float& z, float& w ) const;

      virtual void set2DVertexPosition( unsigned int index, unsigned int vertex,
         float x, float y );

      virtual void get2DVertexPosition( unsigned int index, unsigned int vertex,
         float& x, float& y ) const;

      virtual void set2DOffsetRotation( unsigned int index,
         unsigned int vertIndex, float angle );

      virtual void get2DOffsetRotation( unsigned int index,
         unsigned int vertIndex, float& angle ) const;

      virtual void setColor( unsigned int index, unsigned int vertIndex,
         float r, float g, float b, float a );

      virtual void getColor( unsigned int index, unsigned int vertIndex,
         float& r, float& g, float& b, float& a ) const;

      virtual void setUVCoordinates( unsigned int index,
         unsigned int vertIndex, float u, float v );

      virtual void getUVCoordinates( unsigned int index,
         unsigned int vertIndex, float& u, float& v ) const;




      virtual void setFillParameters( unsigned int index, void* fill,
         unsigned int fullStipplePattern[32] = 0 );

      virtual void getFillParameters( unsigned int index, void*& fill,
         unsigned int fullStipplePattern[32] = 0 ) const;

      virtual void setGroup( unsigned int index, float zFactor );

      virtual float group( unsigned int index ) const;

      virtual void setVisible( unsigned int index, bool visible );

      virtual bool visible (unsigned int index) const;


   protected:

      virtual float* vertexData() const;

      virtual unsigned int vertexDataSize() const;

   protected:

      struct StippledPrimitiveInfo
      {
         unsigned int group;
         unsigned int* indexPtr;
         unsigned int quadStipple[32];
         bool visible;
      };

      struct SortPrimitives
      {
         bool operator()( const StippledPrimitiveInfo& left, const StippledPrimitiveInfo& right )
         {
            return (left.group < right.group);
         }
      };

      bool mySortDirty;

      struct StipplePattern
      {
         unsigned int key[32];
         bool operator<(const StipplePattern& b) const;
      };

      typedef std::vector<DtOffsetColoredVertex> VertexList;
      typedef std::vector<StippledPrimitiveInfo> StippledPrimitiveInfoList;
      typedef std::map< StipplePattern, std::vector<unsigned int> > StippleIndexMap;   

      DtOverlayResourceProvider& myResourceProvider;
      VertexList myStippleVertices;
      StippledPrimitiveInfoList myStipplePrimitives;
      StippledPrimitiveInfoList mySortedStipplePrimitives;
      StippleIndexMap myStippleIndexMap;

      DtProjected2DFlatEffect* myEffect;

   };

}