/// <summary>
/// Make <see cref="ThingGroupSelector"/> from <paramref name="thing"/>. The selector doen't contain reference to <paramref name="thing"/>.
/// </summary>
/// <param name="thing"> Source for <see cref="ThingGroupSelector"/>. </param>
/// <returns> A <see cref="ThingGroupSelector"/> made from <paramref name="thing"/>. </returns>
public static ThingGroupSelector MakeThingGrouopSelector(this Thing thing)
{
SingleThingSelector singleThingSelector = AwesomeInventoryServiceProvider.MakeInstanceOf <SingleThingSelector>(new[] { thing });
ThingGroupSelector thingSelectors = new ThingGroupSelector(thing.def)
{
singleThingSelector,
};
thingSelectors.SetStackCount(1);
return(thingSelectors);
}
/// <inheritdoc/>
/// <remarks> More stringent selector takes precedence, e.g. Compare will return -1 if x is more stringent. </remarks>
public override int Compare(ThingSelector x, ThingSelector y)
{
if (ReferenceEquals(x, y))
{
return(0);
}
if (x is null)
{
return(1);
}
else if (y is null)
{
return(-1);
}
SingleThingSelector xSelector = x as SingleThingSelector;
SingleThingSelector ySelector = y as SingleThingSelector;
return(SingleThingSelector.Comparer.Instance.Compare(xSelector, ySelector));
}