/// <summary>
/// Add a linked quest to the current quest.
/// </summary>
/// <param name="parameter">An IQuest that should be linked to the current quest.</param>
private void AddLinkedQuest(object?parameter)
{
if (parameter is IQuest questToAdd)
{
SelectedQuest?.AddLinkedQuest(questToAdd);
}
}
/// <summary>
/// Remove a linked quest from the current quest.
/// </summary>
/// <param name="parameter">An IQuest that should be removed from the current quest.</param>
private void RemoveLinkedQuest(object?parameter)
{
if (parameter is IQuest questToRemove)
{
SelectedQuest?.RemoveLinkedQuest(questToRemove);
}
}
/// <summary>
/// Test function to see if adding a new linked quest is valid.
/// </summary>
/// <param name="parameter">Should provide an IQuest parameter for the quest
/// potentially being linked to the current selected quest.</param>
/// <returns>Returns true if it's OK to link the specified quest to the current quest.</returns>
private bool CanAddLinkedQuest(object?parameter)
{
if (TallyIsRunning)
{
return(false);
}
if (SelectedQuest == null)
{
return(false);
}
if (parameter is IQuest questToAdd)
{
if (SelectedQuest == questToAdd)
{
return(false);
}
if (SelectedQuest.HasLinkedQuest(questToAdd))
{
return(false);
}
return(true);
}
return(false);
}
