/// <summary>
/// Adds a bidrectional relationship between two teams. Both teams must have been added already to the builder.
/// </summary>
/// <param name="teamA">One of the teams to set the relationship for.</param>
/// <param name="teamB">The other team to set the relationship for.</param>
/// <param name="relationship">The relationship the teams have.</param>
/// <returns>The arena builder for chaining.</returns>
public ArenaBuilder <T> AddBidirectionalTeamRelationship(T teamA, T teamB, TeamRelationship relationship)
{
if (!teams.Contains(teamA))
{
throw new InvalidOperationException($"{teamA} has not been added to this arena.");
}
if (!teams.Contains(teamB))
{
throw new InvalidOperationException($"{teamB} has not been added to this arena.");
}
allianceGraph.AddBidirectionalRelation(teamA, teamB, relationship);
return(this);
}
/// <summary>
/// Gets the teams that receive the specified relationship from the given team.
/// </summary>
/// <param name="from">The team from which the relationship originates.</param>
/// <param name="relationship">The relationship the team creates.</param>
/// <returns>All the teams with the specified relationship.</returns>
public IList <ITeam> GetTeamsWithRelationship(ITeam from, TeamRelationship relationship)
{
return(AllianceGraph.GetTeamsWithRelationship(from, relationship));
}
/// <summary>
/// Gets the teams that the given team has the specified relationship towards.
/// </summary>
/// <param name="from">The team that has the relationship.</param>
/// <param name="relationship">The relationship that the team has for the others.</param>
/// <typeparam name="T">The type of team to get.</typeparam>
/// <returns>An enumerable with the teams that the given team has the relationship with.</returns>
public IList <T> GetTeamsWithRelationship <T>(T from, TeamRelationship relationship) where T : ITeam
{
return(GetTeamsWithRelationship(from, relationship).Cast <T>().ToList());
}