From 5388520198829fcaed438746b9ecb776ef0c4b40 Mon Sep 17 00:00:00 2001
From: Kp <kp@valhallalegends.com>
Date: Sun, 10 Nov 2013 18:07:19 +0000
Subject: [PATCH] Fix array understep in automap

---
 similar/main/automap.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/similar/main/automap.cpp b/similar/main/automap.cpp
index 798f1782b..6501ec887 100644
--- a/similar/main/automap.cpp
+++ b/similar/main/automap.cpp
@@ -1274,8 +1274,7 @@ static void add_segment_edges(automap *am, segment *seg)
 		
 #if defined(DXX_BUILD_DESCENT_II)
 			int trigger_num = Walls[seg->sides[sn].wall_num].trigger;
-			int ttype = Triggers[trigger_num].type;
-			if (ttype==TT_SECRET_EXIT)
+			if (trigger_num != -1 && Triggers[trigger_num].type==TT_SECRET_EXIT)
 				{
 			    color = BM_XRGB( 29, 0, 31 );
 				 no_fade=1;