public MainWindowViewModel()
{
game = new BasicGame(0, 10, new List<string>() { "+", "-" }, 15);
CurrentProblem = game.Problems[0];
NotifyPropertyChanged(string.Empty);
resources = new ResponseResources(string.Concat(AppDomain.CurrentDomain.BaseDirectory, "Images\\"), new List<string> { "correct", "wrong" });
}
public bool AttemptProblem(Problem problem, int answer)
{
bool correct = problem.IsSolution(answer);
if(correct)
{
Score++;
}
else
{
// nothingl
}
return correct;
}
public void AnswerCurrentProblem(int answer)
{
Feedback = "";
if (game.AttemptProblem(CurrentProblem, answer))
{
// correct
SetFeedback("correct");
problemIndex++;
attempts = 0;
}
else
{
// incorrect
attempts++;
if (attempts > 1)
{
SetFeedback("wrong");
Feedback = CurrentProblem.AnswerText();
problemIndex++;
attempts = 0;
}
else
{
Feedback = "Try again!";
}
}
if (problemIndex >= game.Problems.Count())
{
CurrentProblem = null;
Feedback = string.Concat("Complete: ", Score, "/", game.Problems.Count());
}
else
{
CurrentProblem = game.Problems[problemIndex];
}
NotifyPropertyChanged(string.Empty);
}