frictionlessGravityCollisionActuator.h

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/*******************************************************************************
** Copyright (c) 2016 MAK Technologies, Inc.
** All rights reserved.
*******************************************************************************/

#pragma once

#include <vlpi/disEnums.h>
#include "vrfmodel/frictionlessGravityActuator.h"
#include <matrix/LibMatrix.h>
#include <vrfmodel/fallingFromSkyActuatorComponent.h>
#include <geometry/boundingVolumeFace.h>
#include "vrfmodel/vrfmodelDefines.h"

class DtString;
class DtSimManager;
class DtVrfMovingObjectStateRepository;
class DtFallingFromSkyActuatorDescriptor;

class DT_DLL_vrfmodel DtFrictionlessGravityCollisionsActuator : 
   public DtFrictionlessGravityActuator
{

public:

   DtFrictionlessGravityCollisionsActuator(const DtString& name, 
      DtVrfObject* owner,
      DtSimManager* simManager, 
      DtComponentDescriptor* desc = 0,
      DtReaderWriterRegistry* parentRegistry = 0);


   virtual ~DtFrictionlessGravityCollisionsActuator();

   virtual bool init();

   virtual void preFirstTickInit();
   
   virtual const char* type() const;

   virtual bool registerRadioMessageCallbacks();

   static void setWarheadInfoCallback(DtSimMessage* msg, void* usr);

   virtual void processWarheadInfoCallback(DtSimMessage* msg);

   static DtSimComponent * creator(const DtString& name, 
      DtVrfObject* owner,
      DtSimManager* simManager, 
      DtComponentDescriptor* desc = 0,
      DtReaderWriterRegistry* parentRegistry = 0);


protected:
   virtual void fallFromSky();

   virtual bool calculateCollisionVector(const DtVector& oldLocalPosition, const DtVector& oldLocalVelocity,DtVector & impactPoint,
       DtVector & collisionVector, double & speed);

   virtual DtChord movementChord(const DtVector& oldLocalPosition, const DtVector& newLocalPosition,
      DtVector& intersectionVector, DtVector& bvCenterFromPosition);

protected:
   
   DtFrictionlessGravityCollisionsActuator();

   DtFrictionlessGravityCollisionsActuator(const DtFrictionlessGravityCollisionsActuator & orig);

   const DtFrictionlessGravityCollisionsActuator & operator=(const 
      DtFrictionlessGravityCollisionsActuator & orig);

protected:
   DtVector                   myLastPosition;

   bool                    myOnGround;

   DtUUID                  myAttacker;

};