DtInstanceUtils.h

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


#pragma once

#include <vrvOsg/DtInstanceState.h>
#include <vrvOsg/DtArticulatedModelParser.h>

#include <vrvUtil/DtVirtualBaseClass.h>

#include <boost/thread.hpp>
#include <vector>
#include <map>

namespace osg
{
   class Node;
}

namespace makVrv 
{
   class DtDe;
   class DtModelDefinition;
   class DtOsgModelInstance;
   class DtArticulatedModelParser;

   class DT_DLL_VRVOSG DtInstanceUtils
   {
   public:
      typedef std::map<std::string, unsigned int> InstancedAnimationMap;
      typedef std::vector<ArrayRange> ArrayRangeList;
      typedef std::map<std::string, ArrayRangeList> InstancedAnnotationMap;

      typedef std::vector<unsigned int> InstancedPartVec;

      typedef std::map<unsigned int, InstancedPartVec> PartToInstancedPartMap;

      class PartMapCache : public DtVirtualBaseClass
      {
      public:
         virtual ~PartMapCache();
         PartToInstancedPartMap myPartMap;
      };

      class AnimationMapCache : public DtVirtualBaseClass
      {
      public:
         virtual ~AnimationMapCache();
         InstancedAnimationMap myAnimationMap;
      };

      class BoundingBoxCache : public DtVirtualBaseClass
      {
      public:
         virtual ~BoundingBoxCache();
         DtVector boundMin;
         DtVector boundMax;
      };

      class AnnotationCache : public DtVirtualBaseClass
      {
      public:
         virtual ~AnnotationCache();
         InstancedAnnotationMap myAnnotationMap;
      };

      static void prepDefinitionForInstancing(DtModelDefinition& modelDef, DtDe& de);

      static void registerIfNecessary(DtModelDefinition& modelDef, DtDe& de, DtOsgModelInstance& mi,
         /* output parameters: */
         DtVector& boundMinOut,
         DtVector& boundMaxOut,
         AnnotationCache*& annotationCacheOut,
         BoundingBoxCache*& boundingBoxCacheOut,
         AnimationMapCache*& animationMapCacheOut,
         PartMapCache*& partMapCacheOut,
         PartMapCache*& stateMapCacheOut,
         bool daylightControlledLights
         );
   protected:
      static void runObjectCreationSubTasks(DtModelDefinition& modelDef, DtDe& de, osg::Node* root);
   protected:
      static boost::mutex theNodeProcessingSetMutex;

      typedef std::set<osg::Node*> NodeSet; 

      static NodeSet theNodeProcessingSet;
      static boost::condition_variable theNodeProcessingCondition;

   };
}