// Start is called before the first frame update
void Start()
{
mc = MultipleChoice.getMultipleChoice();
question.GetComponent <InputField>().text = "";
correctAnswer.GetComponent <InputField>().text = "";
for (int i = 0; i < wrongAnswers.Length; i++)
{
wrongAnswers[i].GetComponent <InputField>().text = "";
}
}
public void build_questions()
//----------------------------------------------------------
// Get the txt file and build question bank from txt content
//----------------------------------------------------------
{
mc = MultipleChoice.getMultipleChoice();
if (mc != null)
{
if (mc.getQuestions().Count == 0)
{
warning.GetComponent <Text>().text = "no question in database";
}
if (mc.getQuestions().Count > no_questions) //pick question from pool
{
List <int> rndList = new List <int>();
System.Random rnd = new System.Random();
for (int i = 0; i < no_questions; i++)
{
int random = rnd.Next(mc.getQuestions().Count);
if (!rndList.Contains(random))
{
rndList.Add(random);
continue;
}
// if the number is duplicated then do this loop again.
i--;
}
for (int i = 0; i < rndList.Count; i++)
{
Question quesObj = mc.getQuestions()[rndList[i]];
//temp string array, delimited by ;, first entry is the question, last entry is the correct answer
string question = quesObj.question;
//temp answer list
List <Answer> a = new List <Answer>();
//start from first answer, end at last answer
foreach (Answer answer in quesObj.answers)
{
a.Add(answer);
}
//shuffle answer
ShuffleList <Answer>(a);
//build question
Question te = new Question(question, a);
questions.Add(te);
}
}
else
{
for (int i = 0; i < mc.getQuestions().Count; i++)
{
Question quesObj = mc.getQuestions()[i];
//temp string array, delimited by ;, first entry is the question, last entry is the correct answer
string question = quesObj.question;
//temp answer list
List <Answer> a = new List <Answer>();
//start from first answer, end at last answer
foreach (Answer answer in quesObj.answers)
{
a.Add(answer);
}
//shuffle answer
ShuffleList <Answer>(a);
//build question
Question te = new Question(question, a);
questions.Add(te);
}
ShuffleList <Question>(questions);
}
}
else
{
warning.GetComponent <Text>().text = "Internal Error, please contact admin";
Debug.LogWarning("No searching.txt");
}
}