refactor: add game listener

src/game/server/ServerGame.cpp

@@ -5,7 +5,7 @@ namespace td {
 namespace server {
 
 ServerGame::ServerGame(server::Server* server) : game::Game(&m_ServerWorld), m_Server(server), m_ServerWorld(server, this) {
-
+    bindListener(this);
 }
 
 void ServerGame::tick(std::uint64_t delta) {
@@ -70,5 +70,24 @@ void ServerGame::balanceTeams() {
     }
 }
 
+void ServerGame::OnGameStateUpdate(game::GameState newState) {
+    setGameState(newState);
+    protocol::UpdateGameStatePacket packet(newState);
+    m_Server->broadcastPacket(&packet);
+}
+
+void ServerGame::OnGameEnd() {
+    notifyListeners(&game::GameListener::OnGameStateUpdate, game::GameState::EndGame);
+}
+
+void ServerGame::OnGameClose() {
+    notifyListeners(&game::GameListener::OnGameStateUpdate, game::GameState::Closed);
+}
+
+void ServerGame::OnGameBegin() {
+    notifyListeners(&game::GameListener::OnGameStateUpdate, game::GameState::Game);
+    startGame();
+}
+
 } // namespace game
 } // namespace td