Creating Q&A Quiz game using Dictionaries as the database

Question

I am making a quiz game and I have decided to use Dictionaries to store Q&A. I am making some progress but I have some issues which I will now outline .

you just need to attach this script to a gameobject .

 using UnityEngine;
 using System.Collections;
 using System.Collections.Generic;
 using System.Linq;

 public class testQuestions : MonoBehaviour {

I start be declaring some global variables and creating the dictionary and adding content to the dictionary in my start function .

 Dictionary<string, string[]> dictionary = new Dictionary<string, string[]>();
     string []vl ;
     string ky;
     //int Qnum;
     string A;
     int indx;
     // Use this for initialization
     void Start () {
         dictionary.Add("ups", new string[] {"updegree", "popup"});
         dictionary.Add("down", new string[] {"sun", "bun"});
         dictionary.Add("left", new string[] {"higi", "migi"});
         dictionary.Add("right", new string[] {"een", "yyo"});
     }

I then use up my update function to check if a button is pressed and to run a function which generates a random key from the dictionary

 // Update is called once per frame
         void Update ()
         {
             if (Input.GetKeyDown("q"))
             {
                 GenerateRandoms();
             }
         }

then i create the function where a random key is selected

 strng[] keys = new string[dictionary.Count];//get the dictionary count and store in array
 dictionary.Keys.CopyTo(keys, 0);
  
 var index = Random.Range(0, keys.Length);
 var key = keys[index];
 var value = dictionary[key];
         ky= key;
         vl = value;
         
 foreach (string ku in value)
 {
             
             // create buttons with the ku text as the button text 
             
             
             indx = index;
             //Qnum +=1;    
             A = ku; 
     
         }
         //---------- remove each after answer button click
         //dictionary.Remove(key); // remove key after it is already displayed. this must only be exicuted at the end of the function
         
     }

then i create the GUI function where i should have buttons dynamically created to match the number of values in the randomly selected key with each button text being a valur from that dictionary key

 void OnGUI ()
     {
         // here  dynamically added butons must be added 
         GUI.TextArea(new Rect (0,0,500,20),"Key is " + ky + " value is " + string.Join(",", vl) + " " +int.Parse(indx.ToString()));
         
         if (GUI.Button (new Rect(0, 40, 100, 20),A))
         {
             
             if (dictionary.Keys.ElementAt(dictionary.Count - indx).Contains(A))
             {
                 print ("correct");
             } 
         }
 
         
     }
 }

how can i dynamically create the buttons and just get this thing to work

Answer 1

To be honest I am not 100% about your question. If I got everything right you store your Question with possible answers in the Dictionary and now want to draw a procedural button menue. I see a problem there, as you would need another field, indicating which answer is the correct one. Regarding your problem think some of you functions can be simplified to fit into the following approach:

On ButtonPress pick a random question
If question is picked show answer menue

If no question is picket show something else

   using UnityEngine;
     using System.Collections;
     using System.Collections.Generic;
     using System.Linq;
     
     public class testQuestions : MonoBehaviour
     {
         //Question array
         Dictionary<string, string[]> dictionary = new Dictionary<string, string[]>();
         int pickedQuestion = -1;
     
         void Start()
         {
             dictionary.Add("ups", new string[] { "updegree", "popup" });
             dictionary.Add("down", new string[] { "sun", "bun" });
             dictionary.Add("left", new string[] { "higi", "migi" });
             dictionary.Add("right", new string[] { "een", "yyo" });
         }
     
         void Update()
         {
             if (Input.GetKeyDown("q"))
             {
                 GenerateRandoms();
             }
         }
     
         void GenerateRandoms()
         {
             pickedQuestion = (int)Random.Range(0, dictionary.Count);//pick the index of one question
         }
     
         void OnGUI()
         {
             if (pickedQuestion != -1)
             {
                 // here dynamically added butons must be added
                 GUI.TextArea(new Rect(0, 0, 500, 20), "Key is " + dictionary.Keys[pickedQuestion] + " value is " + string.Join(",", dictionary.Values[pickedQuestion]) + " " + pickedQuestion);
                 for (int i = 0; i < dictionary.Values[pickedQuestion].Length; i++)
                 {
                     if (GUI.Button(new Rect(0, 40 * i, 100, 20), dictionary.Values[pickedQuestion][i]))
                     {
                         //check if value is correct
                     }
                 }
             }
             else
             {
 //handle alternative gui here
             }
 
         }
     }

Hope this helps you getting started.

PS: I think it would be easier to encapsulate the question into an extra class like this:

 public class Question
 {
  string Text{get;set;}
  string[] Answers{get;set;}
  int CorrectAnswerId{get;set;}
 }

Then you could use a simple ArrayList in you main class and you will get all the information for one question into one single place.

Creating Q&A Quiz game using Dictionaries as the database

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