public void ChangeQuestion(string set)
{
UserQuestions userQuestions = new UserDatabase().getUserQuestions(username);
Console.WriteLine(set);
List<string[]> questions = userQuestions.getQuestions(set);
Random random = new Random();
int questionIndex = -1;
do{
questionIndex = random.Next(questions.Count);
}while(questions.Count > 1 && questions[questionIndex][0].Equals(QuestionLabel.Text));
QuestionLabel.Text = questions[questionIndex][0];
int button1TextIndex, button2TextIndex, button3TextIndex;
button1TextIndex = random.Next(3) + 1;
do
{
button2TextIndex = random.Next(3) + 1;
} while (button2TextIndex == button1TextIndex);
do
{
button3TextIndex = random.Next(3) + 1;
} while (button3TextIndex == button1TextIndex || button3TextIndex == button2TextIndex);
if (button1TextIndex == 1)
{
correctAnswerButton = "Answer1";
}
else if (button2TextIndex == 1)
{
correctAnswerButton = "Answer2";
}
else if (button3TextIndex == 1)
{
correctAnswerButton = "Answer3";
}
Answer1Button.BackColor = Color.Gainsboro;
Answer2Button.BackColor = Color.Gainsboro;
Answer3Button.BackColor = Color.Gainsboro;
Answer1Button.Text = questions[questionIndex][button1TextIndex];
Answer2Button.Text = questions[questionIndex][button2TextIndex];
Answer3Button.Text = questions[questionIndex][button3TextIndex];
}
// Used to change the question that the player is answering using a subject / tier
public void ChangeQuestion(string set)
{
UserQuestions userQuestions = new UserDatabase().getUserQuestions(username); // Create a new UserDatabase and extract and store the User Questions of the active user
List<string[]> questions = userQuestions.getQuestions(set); // Save the questions from the appropriate set in a list
Random random = new Random(); // Create a new Random number generator
int questionIndex = -1; // Default the question index to -1
do
{ // keep trying to find a new question
questionIndex = random.Next(questions.Count); // Find a random index to check
} while (questions.Count > 1 && questions[questionIndex][0].Equals(QuestionLabel.Text)); // Check the index
QuestionLabel.Text = questions[questionIndex][0]; // Set the text of the question label to our newly found question
int[] buttonTextIndexes = { 1, 2, 3 }; // Create integers to store the index of the text that will be displayed by each button
// Shuffle the indexes of the text to be displayed on the buttons
for (int i = 0; i < 3; i++) // For each button text index
{
int changeIndex = random.Next(i, 3); // Find another index to be swapped with our current one (that is higher than our current one)
int tempIndex = buttonTextIndexes[i]; // Temporarily store the first value which is to be overwritten in the swap
buttonTextIndexes[i] = buttonTextIndexes[changeIndex]; // Overwrite the first value
buttonTextIndexes[changeIndex] = tempIndex; // Overwrite the second value
}
if (buttonTextIndexes[0] == 1) // If button1 has the index of the correct answer
{
correctAnswerButton = "Answer1"; // Save the answer which is the correct one
}
else if (buttonTextIndexes[1] == 1) // If button2 has the index of the correct answer
{
correctAnswerButton = "Answer2"; // Save the answer which is the correct one
}
else if (buttonTextIndexes[2] == 1) // If button3 has the index of the correct answer
{
correctAnswerButton = "Answer3"; // Save the answer which is the correct one
}
Answer1Button.BackColor = Color.Gainsboro; // Reset the colour of all buttons (They become red when the player makes a mistake)
Answer2Button.BackColor = Color.Gainsboro;
Answer3Button.BackColor = Color.Gainsboro;
Answer1Button.Text = questions[questionIndex][buttonTextIndexes[0]]; //Assign the text of the buttons to their randomly chosen answers
Answer2Button.Text = questions[questionIndex][buttonTextIndexes[1]];
Answer3Button.Text = questions[questionIndex][buttonTextIndexes[2]];
}