private static bool CheckAdd(ListerHaulables __instance, Thing t)
{
lock (Locker)
{
if (__instance.ShouldBeHaulable(t) && !__instance.haulables.Contains(t))
{
__instance.haulables.Add(t);
}
}
return(false);
}
// internal check without lock object
private static void Check_Internal(ListerHaulables lister, Thing t)
{
if (lister.ShouldBeHaulable(t))
{
if (!lister.haulables.Contains(t))
{
lister.haulables.Add(t);
}
}
else if (lister.haulables.Contains(t))
{
lister.haulables.Remove(t);
}
}