refactor: add game listener

src/game/World.cpp

@@ -106,7 +106,7 @@ bool World::saveMap(const std::string& fileName) const {
 }
 
 void World::tick(std::uint64_t delta) {
-    if(m_Game->getGameState() != GameState::Game) return;
+    if (m_Game->getGameState() != GameState::Game) return;
 
     tickMobs(delta);
     for (TowerPtr tower : m_Towers) {
@@ -295,7 +295,7 @@ void World::OnExplosion(utils::shape::Circle explosion, float centerDamage, Towe
 void World::OnMobCastleDamage(Mob* damager, TeamCastle* enemyCastle, float damage) {
     enemyCastle->damage(damage);
     if (enemyCastle->getLife() <= 0) {
-        getWorldNotifier().notifyListeners(&WorldListener::OnGameEnd);
+        m_Game->notifyListeners(&GameListener::OnGameEnd);
     }
 }
 
@@ -306,10 +306,6 @@ void World::OnMobDamage(Mob* target, float damage, Tower* source) {
     }
 }
 
-void World::OnGameEnd(){
-    m_Game->setGameState(GameState::EndGame);
-}
-
 Team& World::getRedTeam() {
     return m_Game->getRedTeam();
 }