DtAggregatedGeometry.h

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/******************************************************************************
** Copyright (c) 2018 VT-MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/


#pragma once

#include <vrvOsg/vrvOsg.h>

#include <vrvOsg/DtIndirectGeometryTextures.h>

#include <vrvIndirectRendering/DtGeometrySpecification.h>
#include <vrvIndirectRendering/DtMaterial.h>

#include <osg/Geometry>

namespace makVrv
{
   class DtGlBuffer;

   class  DT_DLL_VRVOSG DtAggregatedGeometry
   {
   public:
      DtAggregatedGeometry();
      virtual ~DtAggregatedGeometry();
      
      
      virtual int numModels(void) const;

      virtual int modelId(int index) const;

      VectorGeometryLocations& getOrCreateLocationsFor(int modelId);
      VectorMaterials&         getOrCreateMaterialsFor(int modelId);
      VectorOsgTextures&       getOrCreateTexturesFor(int modelId);

      virtual const VectorGeometryLocations& getVectorGeometryLocations(int modelId) const;

      virtual bool hasVectorGeometryLocations(int modelId) const;

      virtual const VectorMaterials& getVectorMaterials(int modelId) const;

      virtual const VectorOsgTextures& getVectorOsgTextures(const int modelId) const;

      int vertexAndAttributesBufferSize(void) const;

      void copyVertexAndAttributeDataInto(DtGlBuffer* vertexAndAttributesBuffer) const;

      osg::Geometry* aggregatedGeometry(void);


      virtual unsigned int vertexBufferSizeInBytes() const;
      virtual unsigned int vertexBufferNumElements() const;
      virtual const void*  verticesPointer() const;
      virtual unsigned int numVertices(void) const;

      virtual unsigned int normalBufferSizeInBytes() const;
      virtual unsigned int normalBufferNumElements() const;
      virtual const void*  normalsPointer() const;
      virtual unsigned int numNormals(void) const;

      virtual unsigned int colorBufferSizeInBytes() const;
      virtual unsigned int colorBufferNumElements() const;
      virtual const void*  colorsPointer() const;
      virtual unsigned int numColors(void) const;

      virtual unsigned int textureCoordsBufferSizeInBytes(unsigned int unit) const;
      virtual unsigned int textureCoordsBufferNumElements(unsigned int unit) const;
      virtual const void*  textureCoordsPointer(unsigned int unit) const;
      virtual unsigned int numTextureCoords(unsigned int unit) const;

      virtual const void* indexBufferPointer() const;
      virtual unsigned int indexBufferSizeInBytes() const;

      virtual void printSpecsForModelId(int modelId);
      virtual void printStats();
      virtual void testDrawUsingDrawElements();
      
   public:
      osg::ref_ptr<osg::Geometry> myAggregatedGeometry;

      typedef std::map<int, VectorGeometryLocations> MapModelsToVectorGeometryLocations;
      typedef std::map<int, VectorMaterials> MapModelsToVectorMaterials;
      typedef std::map<int, VectorOsgTextures> MapModelsToVectorOsgTextures;

      MapModelsToVectorGeometryLocations myMapModelsToGeometryLocations;
      MapModelsToVectorMaterials myMapModelsToVectorMaterials;
      MapModelsToVectorOsgTextures myMapModelsToVectorOsgTextures;
   };
}