From 4d61367fd7c7c85c966debfe6b21d3a578b9a68b Mon Sep 17 00:00:00 2001
From: janwas <jan@wildfiregames.com>
Date: Sat, 28 Jun 2008 10:27:04 +0000
Subject: [PATCH] don't crash if SoundMgr is given an invalid index (happens if
 entities dont define a soundGroup - we need to find a way to prevent the
 underlying cause.

fixes #203, see also
http://www.wildfiregames.com/forum/index.php?showtopic=11703

This was SVN commit r6132.
---
 source/sound/SoundGroupMgr.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/source/sound/SoundGroupMgr.cpp b/source/sound/SoundGroupMgr.cpp
index 620af8af38..d45d477325 100644
--- a/source/sound/SoundGroupMgr.cpp
+++ b/source/sound/SoundGroupMgr.cpp
@@ -140,5 +140,8 @@ void CSoundGroupMgr::UpdateSoundGroups(float TimeSinceLastFrame)
 ///////////////////////////////////////////
 void CSoundGroupMgr::PlayNext(size_t index, const CVector3D& position)
 {
-	m_Groups[index]->PlayNext(position);
+	if(index < m_Groups.size())
+		m_Groups[index]->PlayNext(position);
+	else
+		debug_printf("SND: PlayNext(%d) invalid, %d groups defined\n", index, m_Groups.size());
 }