/// <summary>
/// Gets an ability value.
/// If the stacking rule in the mod is DoNotStack, an arbitrary matching ability will be chosen.
/// If there are no values, null will be returned.
/// </summary>
/// <param name="name">The name of the ability.</param>
/// <param name="obj">The object from which to get the value.</param>
/// <param name="index">The ability value index (usually 1 or 2).</param>
/// <param name="filter">A filter for the abilities. For instance, you might want to filter by the ability grouping rule's value.</param>
/// <returns>The ability value.</returns>
public static string GetAbilityValue(this IAbilityObject obj, string name, int index = 1, bool includeShared = true, bool includeEmpireCommon = true, Func <Ability, bool> filter = null)
{
if (obj == null)
{
return(null);
}
var abils = obj.Abilities();
if (includeShared)
{
abils = abils.Union(obj.SharedAbilities());
}
if (includeEmpireCommon)
{
abils = abils.Union(obj.EmpireCommonAbilities());
}
abils = abils.Where(a => a.Rule != null && a.Rule.Matches(name) && a.Rule.CanTarget(obj.AbilityTarget) && (filter == null || filter(a)));
abils = abils.Stack(obj);
if (!abils.Any())
{
return(null);
}
return(abils.First().Values[index - 1]);
}
/// <summary>
/// Gets any abilities that can be activated.
/// </summary>
/// <param name="obj"></param>
/// <returns></returns>
public static IDictionary <Ability, IAbilityObject> ActivatableAbilities(this IAbilityObject o)
{
if (o is Vehicle)
{
return(((Vehicle)o).ActivatableAbilities());
}
if (o is Planet)
{
return(((Planet)o).ActivatableAbilities());
}
var dict = new Dictionary <Ability, IAbilityObject>();
foreach (var a in o.Abilities())
{
if (a.Rule.IsActivatable)
{
dict.Add(a, o);
}
}
return(dict);
}
