fix persistent players

src/td/game/BaseGame.cpp

@@ -17,6 +17,11 @@ void Game::Tick(std::uint64_t delta) {
 	}
 }
 
+void Game::Reset() {
+	m_World->Reset();
+	m_Players.clear();
+}
+
 Player* Game::GetPlayerById(PlayerID id) {
 	auto it = m_Players.find(id);