internal static void OnRegionChange(Mobile m, Region oldRegion, Region newRegion)
{
if (newRegion != null && m.NetState != null)
{
m.CheckLightLevels(false);
if (oldRegion == null || oldRegion.Music != newRegion.Music)
{
m.Send(PlayMusic.GetInstance(newRegion.Music));
}
}
Region oldR = oldRegion;
Region newR = newRegion;
while (oldR != newR)
{
int oldRChild = (oldR != null ? oldR.ChildLevel : -1);
int newRChild = (newR != null ? newR.ChildLevel : -1);
if (oldRChild >= newRChild)
{
oldR.OnExit(m);
oldR = oldR.Parent;
}
if (newRChild >= oldRChild)
{
newR.OnEnter(m);
newR = newR.Parent;
}
}
}