From 001ed91fd484c56c2d8217b6d15a08ecf17252ef Mon Sep 17 00:00:00 2001
From: Randy Heit <rheit@zdoom.fake>
Date: Mon, 1 Jul 2013 22:01:26 -0500
Subject: [PATCH] - Fixed: ACS's PlaySound should mask off the flag bits from
 the channel   before passing it to S_IsActorPlayingSomething().

---
 src/p_acs.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/p_acs.cpp b/src/p_acs.cpp
index cd55caefb..f57846b3c 100644
--- a/src/p_acs.cpp
+++ b/src/p_acs.cpp
@@ -5025,7 +5025,7 @@ doplaysound:			if (funcIndex == ACSF_PlayActorSound)
 							{
 								S_Sound(spot, chan, sid, vol, atten);
 							}
-							else if (!S_IsActorPlayingSomething(spot, chan, sid))
+							else if (!S_IsActorPlayingSomething(spot, chan & 7, sid))
 							{
 								S_Sound(spot, chan | CHAN_LOOP, sid, vol, atten);
 							}