From 90725afe2084011cd7b9320f67c4b18ee217c8f6 Mon Sep 17 00:00:00 2001
From: TimeServ <timeserv@users.sourceforge.net>
Date: Mon, 30 May 2005 11:05:44 +0000
Subject: [PATCH] minor trailstate fixes

git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@1064 fc73d0e0-1445-4013-8a0c-d673dee63da5
---
 engine/client/r_part.c    | 9 ++++-----
 engine/common/particles.h | 3 +++
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/engine/client/r_part.c b/engine/client/r_part.c
index 5915af0a..022e0514 100644
--- a/engine/client/r_part.c
+++ b/engine/client/r_part.c
@@ -2315,7 +2315,7 @@ void CLQ2_RailTrail (vec3_t start, vec3_t end)
 }
 
 // Trailstate functions
-void P_CleanTrailstate(trailstate_t *ts)
+static void P_CleanTrailstate(trailstate_t *ts)
 {
 	// clear LASTSEG flag from lastbeam so it can be reused
 	if (ts->lastbeam)
@@ -2336,7 +2336,8 @@ void P_DelinkTrailstate(trailstate_t **tsk)
 	if (*tsk == NULL)
 		return; // not linked to a trailstate
 
-	ts = *tsk;
+	ts = *tsk; // store old pointer
+	*tsk = NULL; // clear pointer
 
 	if (ts->key != tsk)
 		return; // prevent overwrite
@@ -2351,11 +2352,9 @@ void P_DelinkTrailstate(trailstate_t **tsk)
 		P_CleanTrailstate(assoc);
 		assoc = ts;
 	}
-
-	*tsk = NULL; // erase pointer
 }
 
-trailstate_t *P_NewTrailstate(trailstate_t **key)
+static trailstate_t *P_NewTrailstate(trailstate_t **key)
 {
 	trailstate_t *ts;
 
diff --git a/engine/common/particles.h b/engine/common/particles.h
index bd0ec844..c12c114e 100644
--- a/engine/common/particles.h
+++ b/engine/common/particles.h
@@ -172,4 +172,7 @@ int P_RunParticleEffectTypeString (vec3_t org, vec3_t dir, float count, char *na
 
 void P_EmitSkyEffectTris(struct model_s *mod, struct msurface_s 	*fa);
 
+// trailstate functions
+void P_DelinkTrailstate(trailstate_t **tsk);
+
 #endif