public XElement Serialize(MessageAnswer messageAnswer, string elementName = "answer")
{
messageAnswer.ThrowIfNull("messageAnswer");
elementName.ThrowIfNull("elementName");
return new XElement(
elementName,
MessagePartSerializer.Instance.Serialize(messageAnswer.Parts),
EventHandlerCollectionSerializer.Instance.Serialize(messageAnswer.EventHandlerCollection),
new XAttribute("id", messageAnswer.Id),
new XAttribute("text", messageAnswer.Text));
}
public MessageAnswerSelectionManager(IEnumerable<MessageAnswer> answers)
{
answers.ThrowIfNull("answers");
_answers = answers.ToArray();
if (!_answers.Any())
{
throw new ArgumentException("Must provide at least one answer.", "answers");
}
_selectedAnswer = _answers.First();
}
public void SelectNextAnswer()
{
int index = Array.IndexOf(_answers, _selectedAnswer);
if (index == _answers.Length - 1)
{
index = 0;
}
else
{
index++;
}
_selectedAnswer = _answers[index];
}
public MessageTextAnswer(
MessageAnswer answer,
string text,
Vector2 size,
Color unselectedAnswerForegroundColor,
Color selectedAnswerForegroundColor,
Color selectedAnswerBackgroundColor)
: base(text, size, false)
{
answer.ThrowIfNull("answer");
_answer = answer;
_unselectedAnswerForegroundColor = unselectedAnswerForegroundColor;
_selectedAnswerForegroundColor = selectedAnswerForegroundColor;
_selectedAnswerBackgroundColor = selectedAnswerBackgroundColor;
}
public byte[] Serialize(MessageAnswer messageAnswer)
{
messageAnswer.ThrowIfNull("messageAnswer");
var serializer = new CompactSerializer();
serializer[0] = messageAnswer.Id.ToByteArray();
serializer[1] = Encoding.UTF8.GetBytes(messageAnswer.Text);
var partSerializer = new CompactSerializer();
int index = 0;
foreach (IMessagePart part in messageAnswer.Parts)
{
partSerializer[index++] = MessagePartSerializer.Instance.Serialize(part);
}
serializer[2] = partSerializer.Serialize();
serializer[3] = EventHandlerCollectionSerializer.Instance.Serialize(messageAnswer.EventHandlerCollection);
return serializer.Serialize();
}
public MessageAnswerSelectedEvent(MessageAnswer messageAnswer)
{
messageAnswer.ThrowIfNull("messageAnswer");
_messageAnswer = messageAnswer;
}
private MessageTextAnswer GetMessageTextAnswer(MessageQuestion question, MessageAnswer answer)
{
return new MessageTextAnswer(
answer,
answer.Text,
_font.MeasureString(answer.Text) + TextAdventure.Xna.Constants.MessageRenderer.ShadowOffset,
question.UnselectedAnswerForegroundColor,
question.SelectedAnswerForegroundColor,
question.SelectedAnswerBackgroundColor);
}
public void SelectPreviousAnswer()
{
int index = Array.IndexOf(_answers, _selectedAnswer);
if (index == 0)
{
index = _answers.Length - 1;
}
else
{
index--;
}
_selectedAnswer = _answers[index];
}
public void SelectAnswer(MessageAnswer answer)
{
answer.ThrowIfNull("answer");
_worldInstance.RaiseEvent(answer.OnSelected, new MessageAnswerSelectedEvent(answer));
if (answer.Parts.Any())
{
EnqueueMessage(answer, MessageQueuePosition.First);
}
}