From 293485eb4e3e00bf76517fd51124afc18d19a6ee Mon Sep 17 00:00:00 2001
From: Tailszefox <tails@tailszefox.net>
Date: Sun, 1 Sep 2024 19:22:13 +0200
Subject: [PATCH] Randomizing now checks that the randomized index is different
 from the current one

---
 js/base.js | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/js/base.js b/js/base.js
index 436932c..cfddc1e 100644
--- a/js/base.js
+++ b/js/base.js
@@ -66,10 +66,18 @@ $(function ()
 
         var nbPonies = $("#from option").size();
 
+        function getRandomIndex(currentIndex, maxIndex) {
+            var newIndex;
+            do {
+                newIndex = Math.floor(Math.random() * maxIndex);
+            } while (newIndex === currentIndex);
+            return newIndex;
+        }
+
         if(which == 0)
         {
-            $("#from")[0].selectedIndex = Math.floor(Math.random() * nbPonies);
-            $("#to")[0].selectedIndex = Math.floor(Math.random() * nbPonies);
+            $("#from")[0].selectedIndex = getRandomIndex($("#from")[0].selectedIndex, nbPonies);
+            $("#to")[0].selectedIndex = getRandomIndex($("#to")[0].selectedIndex, nbPonies);
 
             if($("#from")[0].selectedIndex == $("#to")[0].selectedIndex)
             {
@@ -81,7 +89,7 @@ $(function ()
         }
         else if(which == 1)
         {
-            $("#from")[0].selectedIndex = Math.floor(Math.random() * nbPonies);
+            $("#from")[0].selectedIndex = getRandomIndex($("#from")[0].selectedIndex, nbPonies);
 
             if($("#from")[0].selectedIndex == $("#to")[0].selectedIndex)
             {
@@ -93,7 +101,7 @@ $(function ()
         }
         else if(which == 2)
         {
-            $("#to")[0].selectedIndex = Math.floor(Math.random() * nbPonies);
+            $("#to")[0].selectedIndex = getRandomIndex($("#to")[0].selectedIndex, nbPonies);
 
             if($("#from")[0].selectedIndex == $("#to")[0].selectedIndex)
             {