Network: Allow special dev version to help development

otherwise raising the ProtocolRequiredClientVersion constant would be impossible before releasing a version

Author: SirLynix

src/Game/States/ConnectionState.cpp

@@ -122,7 +122,7 @@ namespace tsom
 			UpdateStatus(Nz::SimpleTextDrawer::Draw("Authenticating...", 36));
 
 			Packets::AuthRequest request;
-			request.gameVersion = GameVersion;
+			request.gameVersion = (IsDevVersion()) ? Nz::MaxValue() : GameVersion;
 			request.token = m_playerData;
 
 			m_serverSession->SendPacket(request);

src/ServerLib/Session/InitialSessionHandler.cpp

@@ -113,16 +113,13 @@ namespace tsom
 			return FailAuth(AuthError::UpgradeRequired);
 		}
 
-		if (authRequest.gameVersion > GameVersion)
+		// Disallow more recent client than the server (except in dev mode for dev version)
+		if (authRequest.gameVersion > GameVersion && (!IsDevVersion() || authRequest.gameVersion != Nz::MaxValue<Nz::UInt32>()))
 		{
 			fmt::print(fg(fmt::color::red), "{0} authentication failed (version is more recent than server's)\n", login);
 			return FailAuth(AuthError::ServerIsOutdated);
 		}
 
-		// Make a special dev version
-		if (IsDevVersion())
-			authRequest.gameVersion = Nz::MaxValue();
-
 		NetworkSession* session = GetSession();
 		session->SetProtocolVersion(authRequest.gameVersion);