From 6dd5f0f6d5130961c2a95938b2190dca9483a066 Mon Sep 17 00:00:00 2001
From: mfranz <mfranz>
Date: Fri, 22 Jun 2007 16:51:12 +0000
Subject: [PATCH] Maik JUSTUS: prevent occasional OpenAL crashes after resets

---
 src/Main/main.cxx | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/Main/main.cxx b/src/Main/main.cxx
index 3ffc66fff..18e5e025c 100644
--- a/src/Main/main.cxx
+++ b/src/Main/main.cxx
@@ -549,7 +549,7 @@ static void fgMainLoop( void ) {
     // aircraft is the source of all sounds and that all sounds are
     // positioned in the aircraft base
 
-    static sgVec3 last_pos_offset;
+    static sgVec3 last_pos_offset = {0, 0, 0};
 
     //get the orientation
     const SGQuatd view_or = current_view->getViewOrientation();
@@ -601,7 +601,8 @@ static void fgMainLoop( void ) {
     // set the velocity
     sgVec3 source_vel;
     sgSubVec3( source_vel, source_pos_offset, last_pos_offset );
-    sgScaleVec3( source_vel, 1 / delta_time_sec );
+    if (delta_time_sec > 0)
+        sgScaleVec3( source_vel, 1 / delta_time_sec );
     sgCopyVec3( last_pos_offset, source_pos_offset );
     // cout << "vel = " << source_vel[0] << " " << source_vel[1] << " " << source_vel[2] << endl;
     globals->get_soundmgr()->set_source_vel_all( source_vel );
-- 
2.39.5