/// <summary>
/// The user selected an answer.
/// Set the flags, menu entry colors, and start timer.
/// </summary>
private void AnswerSelected(bool correctAnswer, FlashCard selectedAnswer)
{
QuestionStateMachine.Done();
if (!AnswerChosen)
{
//set flags
AnswerChosen = true;
AnsweredCorrect = correctAnswer;
//Set all the colors of the answers to let the user know which was the correct answer
foreach (var entry in Entries)
{
entry.QuestionAnswered = true;
}
if (null != QuestionAnswered)
{
QuestionAnswered(this, new QuestionEventArgs(AnsweredCorrect, correctQuestion, selectedAnswer));
}
//start the timer to exit this screen
AutoQuit.Start(1f);
if (null != OverlayScreen)
{
OverlayScreen.ExitScreen();
}
}
}
public override void Update(GameTime gameTime, bool otherScreenHasFocus, bool coveredByOtherScreen)
{
//update the timers
AutoQuit.Update(gameTime);
//check if we been here long enough
if (IsActive)
{
QuestionStateMachine.Update(gameTime);
if (!AutoQuit.Paused && !AutoQuit.HasTimeRemaining)
{
//has the user picked an answer?
if (!AnswerChosen)
{
//the timer ran out but the user hadn't picked an answer. That counts as "wrong"
AnswerSelected(false, correctQuestion);
//play the "wrong" sound effect
WrongAnswerSound.Play();
TimeRanOut = true;
}
else
{
//holla at the combat engine
ExitScreen();
}
}
}
base.Update(gameTime, otherScreenHasFocus, coveredByOtherScreen);
}
public void PlaySoundEffect(SoundEffect soundEffect, float pause = 0.1f)
{
if (null != soundEffect)
{
QuestionStateMachine.StartTimer((float)soundEffect.Duration.TotalSeconds + pause);
soundEffect.Play(SoundVolume, 0f, 0f);
}
}
public override async Task LoadContent()
{
try
{
await base.LoadContent();
if (null == FontSmall)
{
FontSmall = new FontBuddyPlus();
FontSmall.LoadContent(Content, StyleSheet.SmallFontResource, StyleSheet.UseFontPlus, StyleSheet.SmallFontSize);
}
if (null == FontMedium)
{
FontMedium = new FontBuddyPlus();
FontMedium.LoadContent(Content, StyleSheet.MediumFontResource, StyleSheet.UseFontPlus, StyleSheet.MediumFontSize);
}
//create the stack layout to hold the question and words
var questionStack = new StackLayout(StackAlignment.Top)
{
Vertical = VerticalAlignment.Bottom,
Horizontal = HorizontalAlignment.Center,
Highlightable = false,
TransitionObject = new WipeTransitionObject(TransitionWipeType.PopTop),
};
//Add the text asking a question
questionStack.AddItem(new Label($"What is the", FontSmall)
{
Vertical = VerticalAlignment.Center,
Horizontal = HorizontalAlignment.Center,
Highlightable = false,
TransitionObject = new WipeTransitionObject(TransitionWipeType.PopTop),
});
questionStack.AddItem(new Shim(0, 8));
questionStack.AddItem(new Label($"{correctAnswer.Language} for:", FontSmall)
{
Vertical = VerticalAlignment.Center,
Horizontal = HorizontalAlignment.Center,
Highlightable = false,
TransitionObject = new WipeTransitionObject(TransitionWipeType.PopTop),
});
questionStack.AddItem(new Shim(0, 8));
//Add all the translations
foreach (var translation in correctQuestion.Translations)
{
if (translation.Language != correctAnswer.Language)
{
CreateTranslationLabel(FontMedium, questionStack, translation);
}
}
questionStack.Position = new Point(Resolution.ScreenArea.Center.X, (int)((Resolution.TitleSafeArea.Height * 0.2f) - (questionStack.Rect.Height * 0.4f)));
AddItem(questionStack);
//create the correct menu entry
CorrectAnswerEntry = CreateQuestionMenuEntry(correctAnswer.Word, correctQuestion, true, FontMedium);
CorrectAnswerEntry.OnClick += CorrectAnswerSelected;
Entries.Add(CorrectAnswerEntry);
//Add exactly three wrong answers
for (int i = 0; i < 3; i++)
{
//get a random wrong answer
int index = _rand.Next(wrongAnswers.Count);
//create a menu entry for that answer
var wrongMenuEntry = CreateQuestionMenuEntry(wrongAnswers[index].Word, wrongQuestions[index], false, FontMedium);
wrongMenuEntry.OnClick += WrongAnswerSelected;
Entries.Add(wrongMenuEntry);
//remove the wrong answer from the list so it wont be added again
wrongAnswers.RemoveAt(index);
wrongQuestions.RemoveAt(index);
}
//shuffle the answers
Entries.Shuffle(_rand);
//create the stack layout to hold the possible answers
var answersStack = new StackLayout(StackAlignment.Top)
{
Name = "AnswerStack",
Vertical = VerticalAlignment.Center,
Horizontal = HorizontalAlignment.Center,
Highlightable = false,
TransitionObject = new WipeTransitionObject(TransitionWipeType.PopBottom),
Position = new Point(Resolution.ScreenArea.Center.X, (int)(Resolution.TitleSafeArea.Height * 0.5f))
};
//add all the question entries to the menu
foreach (var entry in Entries)
{
answersStack.AddItem(entry);
}
AddItem(answersStack);
//load the sound effect to play when time runs out on a question
WrongAnswerSound = Content.Load <SoundEffect>("WrongAnswer");
AutoQuit.Stop();
}
catch (Exception ex)
{
await ScreenManager.ErrorScreen(ex);
}
//Try to load the sound effects
soundContent = new ContentManager(ScreenManager.Game.Services, "Content");
try
{
QuestionSoundEffect = soundContent.Load <SoundEffect>($"TTS/{correctAnswer.Language}Question");
}
catch (Exception ex)
{
//ignore for now
}
//load the correct answer sound effect
try
{
QuestionWordSoundEffect = CorrectQuestion.LoadSoundEffect(correctQuestion.OtherLanguage(correctAnswer.Language), soundContent);
}
catch (Exception ex)
{
//ignore for now
}
//load the sound effect for each question
for (int i = 0; i < Entries.Count; i++)
{
try
{
Entries[i].LoadSoundEffect(correctAnswer.Language, soundContent);
}
catch (Exception ex)
{
//ignore for now
}
}
QuestionStateMachine = new QuestionStateMachine();
QuestionStateMachine.StartTimer(Transition.OnTime + 0.1f);
QuestionStateMachine.StateChangedEvent += QuestionStateMachine_StateChangedEvent;
}