home *** CD-ROM | disk | FTP | other *** search
- /* Emacs style mode select -*- C++ -*- */
- /* ----------------------------------------------------------------------------- */
- /* */
- /* $Id:$ */
- /* */
- /* Copyright (C) 1993-1996 by id Software, Inc. */
- /* */
- /* This source is available for distribution and/or modification */
- /* only under the terms of the DOOM Source Code License as */
- /* published by id Software. All rights reserved. */
- /* */
- /* The source is distributed in the hope that it will be useful, */
- /* but WITHOUT ANY WARRANTY; without even the implied warranty of */
- /* FITNESS FOR A PARTICULAR PURPOSE. See the DOOM Source Code License */
- /* for more details. */
- /* */
- /* $Log:$ */
- /* */
- /* DESCRIPTION: */
- /* Teleportation. */
- /* */
- /* ----------------------------------------------------------------------------- */
-
- static const char
- rcsid[] = "$Id: p_telept.c,v 1.3 1997/01/28 22:08:29 b1 Exp $";
-
-
-
- #include "doomdef.h"
-
- #include "s_sound.h"
-
- #include "p_local.h"
-
-
- /* Data. */
- #include "sounds.h"
-
- /* State. */
- #include "r_state.h"
-
-
-
- /* */
- /* TELEPORTATION */
- /* */
- int
- EV_Teleport
- ( line_t* line,
- int side,
- mobj_t* thing )
- {
- int i;
- int tag;
- mobj_t* m;
- mobj_t* fog;
- unsigned an;
- thinker_t* thinker;
- sector_t* sector;
- fixed_t oldx;
- fixed_t oldy;
- fixed_t oldz;
-
- /* don't teleport missiles */
- if (thing->flags & MF_MISSILE)
- return 0;
-
- /* Don't teleport if hit back of line, */
- /* so you can get out of teleporter. */
- if (side == 1)
- return 0;
-
-
- tag = line->tag;
- for (i = 0; i < numsectors; i++)
- {
- if (sectors[ i ].tag == tag )
- {
- thinker = thinkercap.next;
- for (thinker = thinkercap.next;
- thinker != &thinkercap;
- thinker = thinker->next)
- {
- /* not a mobj */
- if (thinker->function.acp1 != (actionf_p1)P_MobjThinker)
- continue;
-
- m = (mobj_t *)thinker;
-
- /* not a teleportman */
- if (m->type != MT_TELEPORTMAN )
- continue;
-
- sector = m->subsector->sector;
- /* wrong sector */
- if (sector-sectors != i )
- continue;
-
- oldx = thing->x;
- oldy = thing->y;
- oldz = thing->z;
-
- if (!P_TeleportMove (thing, m->x, m->y))
- return 0;
-
- thing->z = thing->floorz; /* fixme: not needed? */
- if (thing->player)
- thing->player->viewz = thing->z+thing->player->viewheight;
-
- /* spawn teleport fog at source and destination */
- fog = P_SpawnMobj (oldx, oldy, oldz, MT_TFOG);
- S_StartSound (fog, sfx_telept);
- an = m->angle >> ANGLETOFINESHIFT;
- fog = P_SpawnMobj (m->x+20*finecosine[an], m->y+20*finesine[an]
- , thing->z, MT_TFOG);
-
- /* emit sound, where? */
- S_StartSound (fog, sfx_telept);
-
- /* don't move for a bit */
- if (thing->player)
- thing->reactiontime = 18;
-
- thing->angle = m->angle;
- thing->momx = thing->momy = thing->momz = 0;
- return 1;
- }
- }
- }
- return 0;
- }
-
-