/*
THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
SOFTWARE CORPORATION ("PARALLAX").  PARALLAX, IN DISTRIBUTING THE CODE TO
END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
IN USING, DISPLAYING,  AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
FREE PURPOSES.  IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES.  THE END-USER UNDERSTANDS
AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.  
COPYRIGHT 1993-1998 PARALLAX SOFTWARE CORPORATION.  ALL RIGHTS RESERVED.
*/
/*
 * $Source: f:/miner/source/main/rcs/collide.h $
 * $Revision: 2.0 $
 * $Author: john $
 * $Date: 1995/02/27 11:28:59 $
 * 
 * .
 * 
 * $Log: collide.h $
 * Revision 2.0  1995/02/27  11:28:59  john
 * New version 2.0, which has no anonymous unions, builds with
 * Watcom 10.0, and doesn't require parsing BITMAPS.TBL.
 * 
 * Revision 1.23  1995/01/26  22:11:47  mike
 * Purple chromo-blaster (ie, fusion cannon) spruce up (chromification)
 * 
 * Revision 1.22  1994/12/21  19:03:24  rob
 * Fixing score accounting for multiplayer robots
 * 
 * Revision 1.21  1994/12/21  11:34:56  mike
 * make control center take badass damage.
 * 
 * Revision 1.20  1994/10/29  16:53:16  allender
 * added check_effect_blowup for demo recording to record monitor explosions
 * 
 * Revision 1.19  1994/10/09  13:46:48  mike
 * Make public collide_player_and_powerup.
 * 
 * Revision 1.18  1994/10/05  14:54:29  rob
 * Added serial game support in control center sequence..
 * 
 * Revision 1.17  1994/09/15  16:32:12  mike
 * Prototype collide_player_and_nasty_robot.
 * 
 * Revision 1.16  1994/09/11  15:49:04  mike
 * Prototype for maybe_detonate_weapon.
 * 
 * Revision 1.15  1994/09/09  14:20:07  matt
 * Added prototype for scrape function
 * 
 * Revision 1.14  1994/09/02  14:00:44  matt
 * Simplified explode_object() & mutliple-stage explosions
 * 
 * Revision 1.13  1994/08/18  10:47:35  john
 * Cleaned up game sequencing and player death stuff
 * in preparation for making the player explode into
 * pieces when dead.
 * 
 * Revision 1.12  1994/08/17  16:50:08  john
 * Added damaging fireballs, missiles.
 * 
 * Revision 1.11  1994/08/03  16:45:31  mike
 * Prototype a function.
 * 
 * Revision 1.10  1994/08/03  15:17:41  mike
 * make matcen whack on you if it's ready to make a robot.
 * 
 * Revision 1.9  1994/07/22  12:08:03  mike
 * Make robot hit vclip and sound weapon-based until robot dies, then robot-based.
 * 
 * Revision 1.8  1994/07/09  17:36:31  mike
 * Prototype apply_damage_to_robot.
 * 
 * Revision 1.7  1994/07/09  13:20:36  mike
 * Prototype apply_damage_to_player.
 * 
 * Revision 1.6  1994/06/20  23:35:52  john
 * Bunch of stuff.
 * 
 * Revision 1.5  1994/06/17  18:04:03  yuan
 * Added Immaterialization...
 * Fixed Invulnerability to allow being hit.
 * 
 * Revision 1.4  1994/05/13  20:28:02  john
 * Version II of John's new object code.
 * 
 * Revision 1.3  1994/05/13  12:20:35  john
 * Fixed some potential problems with code using global variables
 * that are set in fvi. 
 * 
 * Revision 1.2  1994/05/12  23:20:32  john
 * Moved all object collision handling into collide.c.
 * 
 * Revision 1.1  1994/05/12  20:39:09  john
 * Initial revision
 * 
 * 
 */



#ifndef _COLLIDE_H
#define _COLLIDE_H

void collide_init();
void collide_two_objects( object * A, object * B, vms_vector *collision_point );
void collide_object_with_wall( object * A, fix hitspeed, short hitseg, short hitwall, vms_vector * hitpt );
extern void apply_damage_to_player(object *player, object *killer, fix damage);

//	Returns 1 if robot died, else 0.
extern int apply_damage_to_robot(object *robot, fix damage, int killer_objnum);

extern int Immaterial;

extern void collide_player_and_weapon( object * player, object * weapon, vms_vector *collision_point );
extern void collide_player_and_materialization_center(object *objp);
extern void collide_robot_and_materialization_center(object *objp);

extern scrape_object_on_wall(object *obj, short hitseg, short hitwall, vms_vector * hitpt );
extern int maybe_detonate_weapon(object *obj0p, object *obj, vms_vector *pos);

extern void collide_player_and_nasty_robot( object * player, object * robot, vms_vector *collision_point );

extern void net_destroy_controlcen(object *controlcen);
extern void collide_player_and_powerup( object * player, object * powerup, vms_vector *collision_point );
extern int check_effect_blowup(segment *seg,int side,vms_vector *pnt);
extern void apply_damage_to_controlcen(object *controlcen, fix damage, short who);
extern void bump_one_object(object *obj0, vms_vector *hit_dir, fix damage);


#endif