// Copyright (C) 2007 Id Software, Inc.
//

#include "../precompiled.h"
#pragma hdrstop

#if defined( _DEBUG ) && !defined( ID_REDIRECT_NEWDELETE )
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

#include "Force_Constant.h"
#include "Physics.h"

CLASS_DECLARATION( idForce, idForce_Constant )
END_CLASS

/*
================
idForce_Constant::idForce_Constant
================
*/
idForce_Constant::idForce_Constant( void ) {
	force		= vec3_zero;
	physics		= NULL;
	id			= 0;
	point		= vec3_zero;
}

/*
================
idForce_Constant::~idForce_Constant
================
*/
idForce_Constant::~idForce_Constant( void ) {
}

/*
================
idForce_Constant::SetPosition
================
*/
void idForce_Constant::SetPosition( idPhysics *physics, int id, const idVec3 &point ) {
	this->physics = physics;
	this->id = id;
	this->point = point;
}

/*
================
idForce_Constant::SetForce
================
*/
void idForce_Constant::SetForce( const idVec3 &force ) {
	this->force = force;
}

/*
================
idForce_Constant::SetPhysics
================
*/
void idForce_Constant::SetPhysics( idPhysics *physics ) {
	this->physics = physics;
}

/*
================
idForce_Constant::Evaluate
================
*/
void idForce_Constant::Evaluate( int time ) {
	idVec3 p;

	if ( !physics ) {
		return;
	}

	p = physics->GetOrigin( id ); // + point * physics->GetAxis( id );

	physics->AddForce( id, p, force );
}

/*
================
idForce_Constant::RemovePhysics
================
*/
void idForce_Constant::RemovePhysics( const idPhysics *phys ) {
	if ( physics == phys ) {
		physics = NULL;
	}
}