public static bool EnsureWorldAmbientSoundCreated()
{
SoundRoot soundRoot = Find.SoundRoot;
if (null != soundRoot)
{
SustainerManager sManager = soundRoot.sustainerManager;
if (null != sManager)
{
SoundDef aSpace = SoundDefOf.Ambient_Space;
if (null != aSpace)
{
lock (sManager.AllSustainers)
{
if (sManager.SustainerExists(aSpace))
{
return(false);
}
else
{
aSpace.TrySpawnSustainer(SoundInfo.OnCamera());
}
}
}
}
}
return(false);
}
