singleton.h

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/*******************************************************************************
** Copyright (c) 2019 MAK Technologies, Inc.
** All rights reserved.
*******************************************************************************/


#pragma once

#include <vrfModelManager/vrfModelManagerDefines.h>
#include <vrvCore/DtDeSharedState.h>
#include <vrvCore/DtModelSetStringProvider.h>
#include <vrvCore/DtModelDefinitionManager.h>
#include <vrvOsg/DtOsgRenderer.h>
#include <vrvOsg/DtOsgFileCache.h>

namespace makVrv
{
   class DtDe;
}

namespace makVrf
{
   class DtAppPathResolver;
}

class DT_DLL_vrfmodelmanager  DtVrfModelSetStringProvider : public makVrv::DtModelSetStringProvider
{
public:
   DtVrfModelSetStringProvider(makVrv::DtDe& de) : DtModelSetStringProvider(de) {};

   virtual void getModelSetList(StringList& outList) const {};

   virtual makVrv::DtUnicode modelSetToString(int modelSet) const { return makVrv::DtUnicode::fromAscii("VRF"); }

   virtual int stringToModelSet(const makVrv::DtUnicode& modelSetString) const { return 0; };

   virtual int numModelSets() const { return 0; };

   virtual void setModelSetName(int modelSet, const makVrv::DtUnicode& name) {}
};

class DT_DLL_vrfmodelmanager DtVrfModelDefinitionManager : public makVrv::DtModelDefinitionManager
{
public:
   DtVrfModelDefinitionManager(makVrv::DtDe& de)
   : DtModelDefinitionManager(de)
   {
   }

   virtual void backup()
   {
   }
};

class DT_DLL_vrfmodelmanager DtVrfSharedState : public makVrv::DtDeSharedState
{
public:
   virtual ~DtVrfSharedState();

   class DT_DLL_vrfmodelmanager Creator : public makVrv::DtDeSharedStateCreator
   {
   public:
      virtual makVrv::DtDeSharedState* create(makVrv::DtDe& de);
   };

   friend class Creator;

protected:
   DtVrfSharedState(makVrv::DtDe& Ig);

   virtual void initialize();
};

class DT_DLL_vrfmodelmanager DtSingleton : public makVrv::DtDe
{
private:

   DtSingleton(const DtSingleton&);
   DtSingleton& operator=(const DtSingleton&);

public:
   DtSingleton(makVrf::DtAppPathResolver&);

   virtual ~DtSingleton();

   virtual InitializationResult initialize( bool abortOnLicenseFailure = true, bool useLicenseErrorDialog=true );
};

class DT_DLL_vrfmodelmanager DtVrfSingletonRenderer : public makVrv::DtOsgRenderer
{
public:
   class DT_DLL_vrfmodelmanager Creator : public makVrv::DtRendererCreator
   {
   public:
      virtual makVrv::DtRenderer* create(makVrv::DtDe&);
   };

   osg::Node* terrainNode();
   osg::Node* propNode();

   explicit DtVrfSingletonRenderer(makVrv::DtDe&);
};

class DT_DLL_vrfmodelmanager DtVrfSingletonFileCache
   : public makVrv::DtOsgFileCache
{
public:
   class DT_DLL_vrfmodelmanager Creator : public makVrv::DtOsgFileCacheCreator
   {
   public:
      makVrv::DtFileCache* create(makVrv::DtDe& de);
   };

   friend class Creator;

   bool needsShaderGeneration(
      const std::string& filename,
      const LoadFileOptions& options) const;

   void encodeOptionsString(
      const LoadFileOptions& loadFileOptions, 
      osgDB::ReaderWriter::Options& options) const;

   void decodeOptions(
      const osgDB::ReaderWriter::Options& options, 
      LoadFileOptions& loadFileOptions) const;

   osg::ref_ptr<osg::Image> ts_readImageFile(
      const std::string& inputFilename, 
      const LoadFileOptions& loadFileOptions);

protected:
   explicit DtVrfSingletonFileCache(makVrv::DtDe& de);
};