From fd43740b94137503a58bc4819a83c616ad660c0d Mon Sep 17 00:00:00 2001
From: James Haley
Date: Fri, 24 Sep 2010 02:12:18 +0000
Subject: Implementation of teleflags for EV_Teleport. Fix to somewhat serious
 bug that let 0-damage tracers pass through walls. Other changes are only
 comments or formatting.

Subversion-branch: /branches/strife-branch
Subversion-revision: 2132
---
 src/strife/p_telept.c | 151 +++++++++++++++++++++++++++-----------------------
 1 file changed, 82 insertions(+), 69 deletions(-)

(limited to 'src/strife/p_telept.c')

diff --git a/src/strife/p_telept.c b/src/strife/p_telept.c
index abd307c5..f947a9d9 100644
--- a/src/strife/p_telept.c
+++ b/src/strife/p_telept.c
@@ -46,65 +46,69 @@
 //
 // TELEPORTATION
 //
+// haleyjd 09/22/10: [STRIFE] Modified to take a flags parameter to control
+// silent teleportation.
+//
 int
 EV_Teleport
-( line_t*	line,
-  int		side,
-  mobj_t*	thing )
+( line_t*       line,
+  int           side,
+  mobj_t*       thing,
+  teleflags_e   flags)
 {
-    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;
+    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;		
+        return 0;
 
     // Don't teleport if hit back of line,
     //  so you can get out of teleporter.
-    if (side == 1)		
-	return 0;	
+    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;
-		
+        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;
+
                 // fraggle: this was changed in final doom, 
                 // problem between normal doom2 1.9 and final doom
                 //
@@ -112,30 +116,39 @@ EV_Teleport
                 // it does not have this quirk.
 
                 if (gameversion < exe_final || gameversion == exe_chex)
-		    thing->z = thing->floorz;
+                    thing->z = thing->floorz;
+
+                if (thing->player)
+                    thing->player->viewz = thing->z+thing->player->viewheight;
+
+                // spawn teleport fog at source and destination
+                // haleyjd 09/22/10: [STRIFE] controlled by teleport flags
+                // BUG: Behavior would be undefined if this function were passed
+                // any combination of teleflags that has the NO*FOG but not the
+                // corresponding NO*SND flag - fortunately this is never done
+                // anywhere in the code.
+                if(!(flags & TF_NOSRCFOG))
+                    fog = P_SpawnMobj (oldx, oldy, oldz, MT_TFOG);
+                if(!(flags & TF_NOSRCSND))
+                    S_StartSound (fog, sfx_telept);
+                
+                an = m->angle >> ANGLETOFINESHIFT;
                 
-		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;
-	    }	
-	}
+                if(!(flags & TF_NODSTFOG))
+                    fog = P_SpawnMobj (m->x+20*finecosine[an], m->y+20*finesine[an], 
+                                       thing->z, MT_TFOG);
+                if(!(flags & TF_NODSTSND))
+                    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;
 }
-- 
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