/* isp ActivateFormation()
*
* Input variables:
* battleFormation =
* battleFormationType =
*
* State variables:
*
*
*/
public void ActivateFormation(BattleFormation battleFormation, BattleFormationType battleFormationType)
{
if (battleFormation is null)
{
throw new ArgumentNullException(nameof(BattleFormation));
}
if (battleFormation.GeneralInCharge == null)
{
var article = battleFormationType == BattleFormationType.Offensive ? "an" : "a";
throw new InvalidOperationException($"A general must be assigned in charge of {battleFormation.Name} formation in your '{Name}' planet to activate it as {article} {battleFormationType.ToString().ToLower()} formation");
}
var formation = Formations.SingleOrDefault(f => f.Equals(battleFormation));
if (formation == null)
{
throw new ArgumentException("Formation does not exist");
}
if (battleFormationType == BattleFormationType.Offensive)
{
battleFormation.SetStatus(true);
ActiveOffensiveFormation = battleFormation;
}
if (battleFormationType == BattleFormationType.Defensive)
{
battleFormation.SetStatus(true);
ActiveDefensiveFormation = battleFormation;
}
}
/* isp ExistsFormation()
*
* Input variables:
* battleFormation =
*
* State variables:
*
*
*/
public bool ExistsFormation(BattleFormation battleFormation)
{
if (battleFormation is null)
{
throw new ArgumentNullException(nameof(BattleFormation));
}
return(Formations?.SingleOrDefault(f => f.Equals(battleFormation)) != null);
}
/* isp UpdateFormation()
*
* Input variables:
* battleFormation =
* newFormation =
*
* State variables:
*
*
*/
public void UpdateFormation(BattleFormation battleFormation, BattleFormation newFormation)
{
if (battleFormation is null)
{
throw new ArgumentNullException(nameof(battleFormation), "Invalid source formation");
}
if (newFormation is null)
{
throw new ArgumentNullException(nameof(battleFormation), "Invalid new formation");
}
var existingFormation = Formations?.SingleOrDefault(f => f.Equals(battleFormation));
if (existingFormation != null)
{
existingFormation = newFormation;
}
}