Lua is automatically initialized when entering singleplayer campaigns (doesn't include submarine editor) and roundStart && roundEnd hooks now work in CL Lua

Barotrauma/BarotraumaShared/SharedSource/GameSession/GameSession.cs

@@ -460,6 +460,8 @@ namespace Barotrauma
             GUI.PreventPauseMenuToggle = false;
 
             HintManager.OnRoundStarted();
+
+            GameMain.Lua.hook.Call("roundStart");
 #endif
         }
 
@@ -686,6 +688,10 @@ namespace Barotrauma
         {
             RoundEnding = true;
 
+#if CLIENT
+            GameMain.Lua.hook.Call("roundEnd");
+#endif
+
             try
             {
                 IEnumerable<Character> crewCharacters = GetSessionCrewCharacters();