change WorldRenderer to class

src/game/server/ServerGame.cpp

@@ -14,6 +14,8 @@ void ServerGame::tick(std::uint64_t delta){
 }
 
 void ServerGame::startGame(){
+    balanceTeams();
+
     protocol::WorldBeginDataPacket headerMapData(m_World);
     m_Server->broadcastPacket(&headerMapData);
     
@@ -22,8 +24,6 @@ void ServerGame::startGame(){
 
     m_GameState = game::GameState::Game;
 
-    balanceTeams();
-
     m_ServerWorld.spawnMobs(game::MobType::Zombie, 1, 0, 12);
 }