Shuffle player list for the 1st track in grand prix

src/network/game_setup.cpp

@@ -30,6 +30,7 @@
 #include "utils/log.hpp"
 
 #include <algorithm>
+#include <random>
 
 //-----------------------------------------------------------------------------
 /** Update and see if any player disconnects.
@@ -139,14 +140,23 @@ void GameSetup::addServerInfo(NetworkString* ns)
 //-----------------------------------------------------------------------------
 void GameSetup::sortPlayersForGrandPrix()
 {
-    if (!isGrandPrix() || m_tracks.size() == 1)
+    if (!isGrandPrix())
         return;
     std::lock_guard<std::mutex> lock(m_players_mutex);
+
+    if (m_tracks.size() == 1)
+    {
+        std::random_device rd;
+        std::mt19937 g(rd());
+        std::shuffle(m_players.begin(), m_players.end(), g);
+        return;
+    }
+
     std::sort(m_players.begin(), m_players.end(),
         [](const std::weak_ptr<NetworkPlayerProfile>& a,
         const std::weak_ptr<NetworkPlayerProfile>& b)
         {
-            // They should never expired
+            // They should be never expired
             auto c = a.lock();
             assert(c);
             auto d = b.lock();