/// <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 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 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)));
}
