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-rw-r--r--demos/3rdparty/doom/p_telept.c132
1 files changed, 132 insertions, 0 deletions
diff --git a/demos/3rdparty/doom/p_telept.c b/demos/3rdparty/doom/p_telept.c
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+// 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;
+}
+