dhewm3-sdk/d3xp/physics/Force_Field.h

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/*
===========================================================================
Doom 3 GPL Source Code
Copyright (C) 1999-2011 id Software LLC, a ZeniMax Media company.
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This file is part of the Doom 3 GPL Source Code ("Doom 3 Source Code").
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Doom 3 Source Code is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Doom 3 Source Code is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Doom 3 Source Code. If not, see <http://www.gnu.org/licenses/>.
In addition, the Doom 3 Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 Source Code. If not, please request a copy in writing from id Software at the address below.
If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
===========================================================================
*/
#ifndef __FORCE_FIELD_H__
#define __FORCE_FIELD_H__
#include "physics/Force.h"
#include "physics/Clip.h"
#include "Entity.h"
#include "AFEntity.h"
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/*
===============================================================================
Force field
===============================================================================
*/
enum forceFieldType {
FORCEFIELD_UNIFORM,
FORCEFIELD_EXPLOSION,
FORCEFIELD_IMPLOSION
};
enum forceFieldApplyType {
FORCEFIELD_APPLY_FORCE,
FORCEFIELD_APPLY_VELOCITY,
FORCEFIELD_APPLY_IMPULSE
};
class idForce_Field : public idForce {
public:
CLASS_PROTOTYPE( idForce_Field );
void Save( idSaveGame *savefile ) const;
void Restore( idRestoreGame *savefile );
idForce_Field( void );
virtual ~idForce_Field( void );
// uniform constant force
void Uniform( const idVec3 &force );
// explosion from clip model origin
void Explosion( float force );
// implosion towards clip model origin
void Implosion( float force );
// add random torque
void RandomTorque( float force );
// should the force field apply a force, velocity or impulse
void SetApplyType( const forceFieldApplyType type ) { applyType = type; }
// make the force field only push players
void SetPlayerOnly( bool set ) { playerOnly = set; }
// make the force field only push monsters
void SetMonsterOnly( bool set ) { monsterOnly = set; }
// clip model describing the extents of the force field
void SetClipModel( idClipModel *clipModel );
public: // common force interface
virtual void Evaluate( int time );
private:
// force properties
forceFieldType type;
forceFieldApplyType applyType;
float magnitude;
idVec3 dir;
float randomTorque;
bool playerOnly;
bool monsterOnly;
idClipModel * clipModel;
};
#endif /* !__FORCE_FIELD_H__ */