koobas.hobune.stream
Generate key code
I want to make a Key Code generator. I am talking about something that would allow me to generate a code like xxxx-xxxx-xxxx, but i didn't found anything like that...
I am going to make a game where basically you solve puzzles using a computer (in game), so i wanted to make this part of the game, and i wanted to test it first in visual studio by making just a simple software just to see if it works, so i can "update" it to the game and make the system inside it.
As the player obviously needs to use the mouse and my screen have some buttons to click, i assume that i could use if (Input.GetButton("Fire1") and then make something below that, but i only found this:
Random rnd = new Random();
int month = rnd.Next(1, 13); // creates a number between 1 and 12
int dice = rnd.Next(1, 7); // creates a number between 1 and 6
int card = rnd.Next(52); // creates a number between 0 and 51
And i don't get where do i insert it. Could anyone help me? I would really appreciate any sugestion.
Give this a try .. fully tested and i've tried to put comments wherever needed ...
using UnityEngine;
using System.Collections;
using System.Text;
public class keyCode : MonoBehaviour {
private string[] alpb, num;
void Start () {
num = new string[10]{ "1", "2", "3", "4", "5", "6", "7", "8", "9", "0" };
alpb = new string[26] {"a","b","c","d","e","f","g","h","i","j","k","l","m","n","o","p","q","r","s","t","u","v","w","x","y","z"};
Debug.Log (generateKey (3, 5)); // Just for the sake of a simple test
}
/*
* nodeCount of 3 and nodeCharCount of 5 will produce something like this
* yu67h-7uyh8-i8uy6
*/
public string generateKey(int nodeCount, int nodeCharCount){
//Shuffle our arrays first so that every time we get a random key
shuffleArray<string> (num);
shuffleArray<string> (alpb);
nodeCount = Mathf.Clamp (nodeCount, 2, 5);
nodeCharCount = Mathf.Clamp (nodeCharCount, 3, 5);
int numIndex = 0, alpIndex = 0, insertInt = 0;
StringBuilder sB = new StringBuilder ();
for (int i = 1; i <= nodeCount; i++) {
for (int j = 0; j < nodeCharCount; j++) {
insertInt = Random.Range (0, 2); // 0 means we will insert an alphabet in our key code and 1 means we will go with a number
if (insertInt == 0) {
sB.Append (alpb [alpIndex]);
alpIndex++;
if (alpIndex == alpb.Length) {
alpIndex = 0;
}
} else {
sB.Append (num [numIndex]);
numIndex++;
if (numIndex == num.Length) {
numIndex = 0;
}
}
}
if (i < nodeCount) {
sB.Append ("-");
}
}
return sB.ToString ();
}
static void shuffleArray<T>(T[] arr){ // This will not create a new array but return the original but shuffled array
for (int i = arr.Length - 1; i > 0; i--) {
int r = Random.Range (0, i + 1);
T tmp = arr [i];
arr [i] = arr [r];
arr [r] = tmp;
}
}
}
Random values are done in Unity through the included Random class. Here you would be looking at Random.Range.
string Rand ()
{
int rand = Random.Range (0, 10);
return rand.ToString ();
}
void Update ()
{
string code = Rand () + Rand () + Rand () + Rand () + "-" + Rand () + Rand () + Rand () + Rand () + "-" + Rand () + Rand () + Rand () + Rand ();
Debug.Log (code);
}
Something like that would generate a completely random code. You can find more about the Random class here;
If you search for a self-verifying serial key that has the ability to expire at a certain date, have a look at my implementation over here
Of course self-verifying keys can be cracked quite easily. Make sure you read my other post carefully.
