protected void ExitSceneAll(int lineno)
{
foreach (var ch in OnStage)
{
ch.OnStage = false;
}
OnStage.Clear();
}
protected void ExitScene(int lineno, Character character)
{
if (!character.OnStage)
{
throw new RuntimeException(lineno, "{0} is not on stage, and thus cannot exit!", character.Name);
}
OnStage.Remove(character);
character.OnStage = false;
}
protected void EnterScene(int lineno, Character character)
{
if (character.OnStage)
{
throw new RuntimeException(lineno, "{0} is already on stage, and thus cannot enter!", character.Name);
}
character.OnStage = true;
OnStage.Add(character);
}
protected void Activate(int lineno, Character character)
{
if (!character.OnStage)
{
throw new RuntimeException(lineno, "{0} is not on stage, and thus cannot speak!", character.Name);
}
/* If there are exactly two people on stage, the other one should be
* second person */
if (NumberOnStage == 2)
{
SecondPerson = OnStage.Single(ch => !ch.Equals(character));
}
else
{
SecondPerson = null;
}
FirstPerson = character;
}