From 4ebdcb7b6de4ca46eac3e9f6860e5f9094299974 Mon Sep 17 00:00:00 2001
From: Christoph Oelckers <c.oelckers@zdoom.fake>
Date: Tue, 8 Mar 2016 11:55:40 +0100
Subject: [PATCH] - fixed: The result condition of a hitscan subtrace was never
 checked.

---
 src/p_trace.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/p_trace.cpp b/src/p_trace.cpp
index 2e96db7c9..2dec3d9d5 100644
--- a/src/p_trace.cpp
+++ b/src/p_trace.cpp
@@ -842,7 +842,9 @@ bool FTraceInfo::TraceTraverse (int ptflags)
 		}
 		else if (in->isaline)
 		{
-			if (!LineCheck(in)) break;
+			bool res = LineCheck(in);
+			if (aimdir == INT_MAX) return res;	// signal for immediate abort 
+			if (!res) break;
 		}
 		else if ((in->d.thing->flags & ActorMask) && in->d.thing != IgnoreThis)
 		{