DtShipFlagDirTickable.h

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/****************************************************************************** 
** Copyright (c) 2014 MAK Technologies, Inc. 
** All rights reserved. 
******************************************************************************/


#pragma once
#include <vrvCore/vrvCore.h>
#include <vrvOsg/DtDynamicFeatureTickable.h> 
#include <vrvOsg/DtMetaObjectCreator.h> 
#include <matrix/vlVector.h>

#include <osgSim/DOFTransform>

#include <rapidjson/document.h>

namespace makVrv 
{
   class DtDisplayUnitsConverter;
   class DtDeadReckonUpdater;

   class DT_DLL_VRVOSG DtShipFlagDirTickable :
      public DtDynamicFeatureTickable
   { 
   public:

      DtShipFlagDirTickable(DtDe& de, DtElementID elementId, DtUniqueID sceneObjectId,
         DtUniqueID uniqueId, bool useInstancing, unsigned int nodeTypeIndex);

      virtual ~DtShipFlagDirTickable();

      virtual void update( DtTime tNow );

      float calcRotAngleForShipFlag(DtSceneObject* sceneObj, 
         DtDeadReckonUpdater* updater, DtTime tNow, 
         const DtVector& windDirVec, float windSpeedKPH);

      DtVector computeWindVec(DtSceneObject* sceneObj, float windDirRad);

      virtual bool needsUpdate( DtTime tNow );

      virtual void configure(osg::Node* n, const rapidjson::Value& windJsonData);

   public:
      // @{
      static const char* theShipFlagDirFeatureName;
      static const char* theTagRotOffsetDeg;
      static const char* theTagRotDir;
      static const char* theRotDirCW;
      // @}

   protected:
      DtSceneObject* mySceneObject;

      float myLastFlagDir;

      DtVector myLastPos;

      DtTime myLastTime;

      osgSim::DOFTransform* myWindDirNode;

      float myRotOffset;

      float myRotDir;
   };

   class DT_DLL_VRVOSG DtShipFlagDirTickableCreator : public DtMetaObjectCreator
   {

   public:     

      DtShipFlagDirTickableCreator();

      virtual ~DtShipFlagDirTickableCreator();

      virtual DtShipFlagDirTickable* create(DtDe& de, osg::Node* node,
         DtOsgArticulatedModel* osgArticulatedMode,
         const rapidjson::Value& jsonObject, const std::string& modelDefName, 
         const DtElementID elementId, const DtUniqueID uniqueId, 
         const bool useInstancing, const unsigned int nodeTypeIndex);

   };
}