DtIndirectDefaultTextureCollectionPolicy.h

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


#pragma once

#include <vrvOsg/vrvOsg.h>

#include <vrvOsg/DtIndirectTextureCollectionPolicy.h>
#include <vrvOsg/DtEffectTextureType.h>

namespace osg
{
   class StateSet;
   class ExtendedMaterial;
}

namespace makVrv
{
   class DT_DLL_VRVOSG DtIndirectDefaultTextureCollectionPolicy : public DtIndirectTextureCollectionPolicy
   {
   public:
      friend class DtIndirectDefaultTextureCollectionPolicyCreator;

      virtual ~DtIndirectDefaultTextureCollectionPolicy();

   protected:
      // ! constructor. only creator can create
      DtIndirectDefaultTextureCollectionPolicy(DtDe& de);

   private:
      DtIndirectDefaultTextureCollectionPolicy(const DtIndirectDefaultTextureCollectionPolicy &other) = delete;
      DtIndirectDefaultTextureCollectionPolicy &operator=(const DtIndirectDefaultTextureCollectionPolicy &other) = delete;

   public:
      virtual void collectTextures(DtIndirectGeometryTextures& textures, const osg::StateSet* stateSet, const std::string &modelName) const override;
   protected:

      virtual void collectTextures(DtIndirectGeometryTextures& textures, const osg::StateSet* stateSet, osg::ref_ptr<const osg::Texture> osgDiffuseTexture
         , const osg::ExtendedMaterial* extendedMaterial, const std::string &modelName) const;


      virtual void collectTexturesExtendedMaterial(DtIndirectGeometryTextures& textures, const osg::StateSet* stateSet, osg::ref_ptr<const osg::Texture> osgDiffuseTexture
         , const osg::ExtendedMaterial* extendedMaterial, const std::string &modelName) const;

      virtual void collectTexturesNoExtendedMaterial(DtIndirectGeometryTextures& textures, const osg::StateSet* stateSet, osg::ref_ptr<const osg::Texture> osgDiffuseTexture
         , const std::string &modelName) const;

      virtual bool collectTexturesData(int unit, const osg::StateSet* stateSet
                   , const osg::Texture* diffuseTexture
                   , bool& error
                   , const osg::StateAttribute*& texattr
                   , const osg::Texture*& texture) const;
   };

   class  DT_DLL_VRVOSG DtIndirectDefaultTextureCollectionPolicyCreator : public DtIndirectTextureCollectionPolicyCreator
   {
   public:
      DtIndirectDefaultTextureCollectionPolicyCreator();

      virtual ~DtIndirectDefaultTextureCollectionPolicyCreator();

      virtual DtIndirectTextureCollectionPolicy* create(DtDe& de);
   };
}