Grabber.h

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/*
===========================================================================

Doom 3 GPL Source Code
Copyright (C) 1999-2011 id Software LLC, a ZeniMax Media company. 

This file is part of the Doom 3 GPL Source Code (?Doom 3 Source Code?).  

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.

===========================================================================
*/
#ifdef _D3XP

/*
===============================================================================

        Grabber Object - Class to extend idWeapon to include functionality for 
                                                manipulating physics objects.

===============================================================================
*/

class idBeam;

class idGrabber : public idEntity {
public:
        CLASS_PROTOTYPE( idGrabber );

                                                        idGrabber( void );
                                                        ~idGrabber( void );

        void                                    Save( idSaveGame *savefile ) const;
        void                                    Restore( idRestoreGame *savefile );

        void                                    Initialize( void );
        void                                    SetDragDistance( float dist );
        int                                             Update( idPlayer *player, bool hide );

private:
        idEntityPtr<idEntity>   dragEnt;                        // entity being dragged
        idForce_Grab                    drag;
        idVec3                                  saveGravity;

        int                                             id;                                     // id of body being dragged
        idVec3                                  localPlayerPoint;       // dragged point in player space
        idEntityPtr<idPlayer>   owner;
        int                                             oldUcmdFlags;
        bool                                    holdingAF;
        bool                                    shakeForceFlip;
        int                                             endTime;
        int                                             lastFiredTime;
        int                                             dragFailTime;
        int                                             startDragTime;
        float                                   dragTraceDist;
        int                                             savedContents;
        int                                             savedClipmask;

        idBeam*                                 beam;
        idBeam*                                 beamTarget;

        int                                             warpId;

        bool                                    grabbableAI( const char *aiName );
        void                                    StartDrag( idEntity *grabEnt, int id );
        void                                    StopDrag( bool dropOnly );
        void                                    UpdateBeams( void );
        void                                    ApplyShake( void );
};

#endif