Push menu Lobby pour single player (entree du username seulement)

SQCSim-common/player.cpp

@@ -271,6 +271,10 @@ Vector3f Player::GetDirection() const { return m_direction; }
 
 std::string Player::GetUsername() const { return m_username; }
 
+void Player::SetUsername(std::string username) {
+	m_username = username;
+}
+
 float Player::GetSensitivity() const {
 	return m_sensitivity;
 }