/// <summary>Gets the region count that are opponents for the owner inlcuding neutral.</summary>
public static int GetOpponentCountForPlayer(this IEnumerable <Region> regions, PlayerType owner, MapState state)
{
return(regions.Count(region => !state.HasOwner(region, owner)));
}
/// <summary>Returns true if all regions have the specified owener.</summary>
public static bool HaveOwner(this IEnumerable <Region> regions, PlayerType owner, MapState state)
{
return(regions.All(region => state.HasOwner(region, owner)));
}
/// <summary>Gets the regions that are enermies for the owner excluding neutral.</summary>
public static IEnumerable <Region> GetEnemriesForPlayer(this IEnumerable <Region> regions, PlayerType owner, MapState state)
{
return(regions.Where(region => state.Owner(region) != PlayerType.neutral && !state.HasOwner(region, owner)));
}
/// <summary>Gets the attacking force of the regions.</summary>
public static int AttackingForce(this IEnumerable <Region> regions, MapState state)
{
return(regions
.Where(region => state.Owner(region) != PlayerType.neutral)
.Sum(region => state.Armies(region) - 1));
}
/// <summary>Gets the regions that are opponents for the owner inlcuding neutral.</summary>
public static IEnumerable <Region> GetOpponentsForPlayer(this IEnumerable <Region> regions, PlayerType owner, MapState state)
{
return(regions.Where(region => !state.HasOwner(region, owner)));
}
/// <summary>Gets the regions that are enermies for the owner excluding neutral.</summary>
public static IEnumerable <Region> GetRegionsForPlayerWithOpponents(this IEnumerable <Region> regions, PlayerType owner, MapState state)
{
return(regions.Where(region =>
state.HasOwner(region, owner) &&
region.Neighbors
.Any(neighbor => !state.HasOwner(neighbor, owner))));
}
/// <summary>Gets the regions that are enermies for the owner excluding neutral.</summary>
public static IEnumerable <Region> GetRegionsForPlayerWithEnermies(this IEnumerable <Region> regions, PlayerType owner, MapState state)
{
return(regions.Where(region =>
state.HasOwner(region, owner) &&
region.Neighbors
.Any(neighbor =>
state.Owner(neighbor) != PlayerType.neutral &&
!state.HasOwner(neighbor, owner))));
}
/// <summary>Gets the super region bonus for a player excluding the default stack.</summary>
public int GetSuperRegionBonus(PlayerType player, MapState state)
{
return(this.SuperRegions
.Where(super => super.All(region => state.HasOwner(region, player)))
.Sum(super => super.BonusArmiesReward));
}
public static IEnumerable <SuperRegion> GetConquerables(this IEnumerable <SuperRegion> superregions, PlayerType player, MapState state)
{
return(superregions
.Where(s => s.SelfAndNeighbors
.Any(region => state.HasOwner(region, player)) && s.SelfAndNeighbors
.Any(region => !state.HasOwner(region, player))));
}
