void SetUnitVisibility(Unit Unit, UnitVisibility Visibility)
{
if (Visibility.LastSeen == null)
{
RemoveUnit(Unit);
}
else
{
MoveUnit(Unit, new MovementEventArgs(Visibility.LastSeen, null, null), Visibility.Visible);
}
}
UnitVisibility MergeVisibility(Unit Unit, bool Visible, bool Remove = false, Tile OverrideLastSeen = null)
{
UnitVisibility visibility;
_UnitVisibilities.TryGetValue(Unit, out visibility);
if (Visible)
{
visibility = new UnitVisibility(Visible, Unit.Position);
}
else
{
visibility = new UnitVisibility(Visible, Remove ? null : (OverrideLastSeen ?? visibility.LastSeen));
}
_UnitVisibilities[Unit] = visibility;
return(visibility);
}
