DtDiGuyMotionController.h

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/****************************************************************************
 * Copyright (c) 2023 MAK Technologies, Inc.
 * All rights reserved.
 ****************************************************************************/


#pragma once

#include <vrvDiGuy/vrvDiGuy.h>

#include <vrvUtil/DtVirtualBaseClass.h>

#include <diguyMotionDirection.h>
#include <diguyMotionPosture.h>
#include <matrix/vlVector.h>

class DtTaitBryan;
class diguyCharacterGuide;

namespace makVrv
{

   class DtDe;
   class DtDiGuyCharacterModel;
   class DtMotionModel;

   class DT_DLL_VRVDIGUY DtDiGuyMotionController 
   {
   public:

      DtDiGuyMotionController( DtDiGuyCharacterModel& characterModel, DtDe& de );

      virtual ~DtDiGuyMotionController();

      virtual void flagForReinitialization() { myNeedsInit = true; }

      virtual void updateCharacterMotion( const DtVector& location, const DtTaitBryan& orientation );

      virtual const char* getActionFromDescription( diguyMotionDirection direction, diguyMotionPosture posture, 
         double actualSpeed );

   protected:

      int calculateDirectionFBLR( const DtTaitBryan& ori, const DtVector32& vel );

      int calculateDirectionFB( const DtTaitBryan& ori, const DtVector32& vel );

      void cacheMotionModel();

   protected:

      struct CharacterUpdateInfoStruct
      {

         CharacterUpdateInfoStruct()
            : myLastDirection( DIGUY_MOTION_DIRECTION_NONE )
            , myLastPosture( DIGUY_MOTION_POSTURE_UPRIGHT )
            , myLastWeaponDeployed( false )
            , myLastAction( NULL )
            , myLastActionTime( 0.0 )
            , myLastSpeed( 0.0 )
         {
         }

         int myLastDirection;
         int myLastPosture;
         bool myLastWeaponDeployed;
         const char* myLastAction;
         double myLastActionTime;
         double myLastSpeed;

      };

   protected:

      DtDe& myDe;

      CharacterUpdateInfoStruct myCharacterInfo;
      DtDiGuyCharacterModel& myCharacterModel;
      DtMotionModel* myMotionModel;

      // State update tracking variables.
      // Used for all characters in the motion model.
      DtVector myLastTopoUpdateLocation;
      DtVector myAcceleration;
      bool myIsGeocentric;
      bool myNeedsInit;

   };


   class DT_DLL_VRVDIGUY DtDiGuyMotionControllerCreator : public DtVirtualBaseClass
   {
   public:

      virtual ~DtDiGuyMotionControllerCreator();

      virtual DtDiGuyMotionController* create(DtDiGuyCharacterModel& characterModel, DtDe& de);

      static DtDiGuyMotionControllerCreator& instance(DtDe& de);

      static void registerInstance(DtDe& de, DtDiGuyMotionControllerCreator* instance);
   };

}