Added new checkbox to multiplayer game configure dialog to allow only

registered users to join the game

changelog

@@ -153,6 +153,8 @@ Version 1.13.4+dev:
      specify the current_player attribute in the [side] wml.  
    * unit filters, specially in wesnoth.get_units now have a limit= attribute
      to limit the number or matched units.
+   * Added new attribute "registered_users_only" to MultiplayerServerWML which indicates
+     that only registered users should be allowed to join the game
  * Lua API:
    * wesnoth.match_unit can now take a location (rather than a unit) as
      the optional third parameter. This will cause the filter to consider
@@ -235,6 +237,8 @@ Version 1.13.4+dev:
      (fr #22635)
  * Multiplayer:
    * Hornshark Island: simplified multiplayer faction determination
+   * Added "Registered users only" checkbox to multiplayer configuration dialog which 
+     when checked, only allows registered users to join the game
  * Wesnoth formula engine:
    * Formulas in unit filters can now access nearly all unit attributes
      The following attributes were renamed (old names still work, for now):

data/core/about.cfg

@@ -1341,6 +1341,9 @@
     [entry]
         name = "Priit Laes (plaes)"
     [/entry]
+    [entry]
+        name = "Pubudu Gunawardena (ugudu)"
+    [/entry]
     [entry]
         name = "Quetzalcoatl"
     [/entry]

players_changelog

@@ -28,6 +28,9 @@ Version 1.13.4+dev:
    * Allow changing keybindings for scrolling the map.
    * Fixed bug #24696 (Nightstalk ability not working)
 
+ * Multiplayer
+   * Added "Registered users only" checkbox to multiplayer configuration dialog which 
+     when checked, only allows registered users to join the game
 
 Version 1.13.4:
  * Language and i18n:

src/game_initialization/configure_engine.cpp

@@ -78,6 +78,7 @@ bool configure_engine::random_start_time() const { return parameters_.random_sta
 bool configure_engine::fog_game() const { return parameters_.fog_game; }
 bool configure_engine::shroud_game() const { return parameters_.shroud_game; }
 bool configure_engine::allow_observers() const { return parameters_.allow_observers; }
+bool configure_engine::registered_users_only() const { return parameters_.registered_users_only; }
 bool configure_engine::shuffle_sides() const { return parameters_.shuffle_sides; }
 mp_game_settings::RANDOM_FACTION_MODE configure_engine::random_faction_mode() const { return parameters_.random_faction_mode; }
 const config& configure_engine::options() const { return parameters_.options; }
@@ -97,6 +98,7 @@ void configure_engine::set_random_start_time(bool val) { parameters_.random_star
 void configure_engine::set_fog_game(bool val) { parameters_.fog_game = val; }
 void configure_engine::set_shroud_game(bool val) { parameters_.shroud_game = val; }
 void configure_engine::set_allow_observers(bool val) { parameters_.allow_observers = val; }
+void configure_engine::set_registered_users_only(bool val) { parameters_.registered_users_only = val; }
 void configure_engine::set_oos_debug(bool val) { state_.classification().oos_debug = val; }
 void configure_engine::set_shuffle_sides(bool val) { parameters_.shuffle_sides = val; }
 void configure_engine::set_random_faction_mode(mp_game_settings::RANDOM_FACTION_MODE val) { parameters_.random_faction_mode = val;}
@@ -180,6 +182,10 @@ bool configure_engine::shroud_game_default() const {
 bool configure_engine::allow_observers_default() const {
 	return preferences::allow_observers();
 }
+bool configure_engine::registered_users_only_default() const
+{
+	return preferences::registered_users_only();
+}
 bool configure_engine::shuffle_sides_default() const {
 	return preferences::shuffle_sides();
 }

src/game_initialization/configure_engine.hpp

@@ -55,6 +55,7 @@ class configure_engine
 	bool fog_game() const;
 	bool shroud_game() const;
 	bool allow_observers() const;
+	bool registered_users_only() const;
 	bool shuffle_sides() const;
 	mp_game_settings::RANDOM_FACTION_MODE random_faction_mode() const;
 	const config& options() const;
@@ -75,6 +76,7 @@ class configure_engine
 	void set_fog_game(bool val);
 	void set_shroud_game(bool val);
 	void set_allow_observers(bool val);
+	void set_registered_users_only(bool val);
 	void set_oos_debug(bool val);
 	void set_shuffle_sides(bool val);
 	void set_random_faction_mode(mp_game_settings::RANDOM_FACTION_MODE val);
@@ -99,6 +101,7 @@ class configure_engine
 	bool fog_game_default() const;
 	bool shroud_game_default() const;
 	bool allow_observers_default() const;
+	bool registered_users_only_default() const;
 	bool shuffle_sides_default() const;
 	mp_game_settings::RANDOM_FACTION_MODE random_faction_mode_default() const;
 	const config& options_default() const;

src/game_initialization/multiplayer_configure.cpp

@@ -81,6 +81,7 @@ configure::configure(CVideo& video, twesnothd_connection* wesnothd_connection, c
 	countdown_action_bonus_slider_(video),
 	name_entry_label_(video, _("Name of game:"), font::SIZE_PLUS, font::LOBBY_COLOR),
 	observers_game_(video, _("Observers"), gui::button::TYPE_CHECK),
+	registered_users_only_(video, _("Registered users only"), gui::button::TYPE_CHECK),
 	oos_debug_(video, _("Debug OOS"), gui::button::TYPE_CHECK),
 	shuffle_sides_(video, _("Shuffle sides"), gui::button::TYPE_CHECK),
 	random_faction_mode_label_(video, _("Random factions:"), font::SIZE_SMALL, font::LOBBY_COLOR),
@@ -137,6 +138,10 @@ configure::configure(CVideo& video, twesnothd_connection* wesnothd_connection, c
 	observers_game_.set_help_string(_("Allow users who are not playing to watch the game"));
 	observers_game_.enable(state_.classification().campaign_type != game_classification::CAMPAIGN_TYPE::SCENARIO);
 
+	registered_users_only_.set_check(engine_.registered_users_only_default());
+	registered_users_only_.set_help_string(_("Allow only registered users to join the game"));
+	registered_users_only_.enable(state_.classification().campaign_type != game_classification::CAMPAIGN_TYPE::SCENARIO);
+
 	oos_debug_.set_check(false);
 	oos_debug_.set_help_string(_("More checks for OOS errors but also more network traffic"));
 	oos_debug_.enable(true);
@@ -264,7 +269,10 @@ configure::~configure()
 	// don't set observers preference if disabled (for singleplayer)
 	if (observers_game_.enabled())
 		preferences::set_allow_observers(engine_.allow_observers());
-
+	// don't set registered_users_only preference if disabled (for singleplayer)
+	if (registered_users_only_.enabled())
+		preferences::set_registered_users_only(engine_.registered_users_only());
+
 	// When using map settings, the following variables are determined by the map,
 	// so don't store them as the new preferences.
 	if(!engine_.use_map_settings()) {
@@ -318,6 +326,7 @@ void configure::get_parameters()
 		engine_.write_parameters();
 	}
 	engine_.set_allow_observers(observers_game_.checked());
+	engine_.set_registered_users_only(registered_users_only_.checked());
 	engine_.set_oos_debug(oos_debug_.checked());
 	engine_.set_shuffle_sides(shuffle_sides_.checked());
 	engine_.set_random_faction_mode(mp_game_settings::RANDOM_FACTION_MODE::from_int(random_faction_mode_.selected()));
@@ -509,6 +518,7 @@ void configure::hide_children(bool hide)
 	name_entry_label_.hide(hide);
 
 	observers_game_.hide(hide);
+	registered_users_only_.hide(hide);
 	oos_debug_.hide(hide);
 	shuffle_sides_.hide(hide);
 	random_faction_mode_label_.hide(hide);
@@ -570,7 +580,9 @@ void configure::layout_children(const SDL_Rect& rect)
 	ypos_left += 2 * border_size;
 	options_pane_left_.add_widget(&shuffle_sides_, xpos_left, ypos_left);
 	options_pane_left_.add_widget(&observers_game_,
-		xpos_left + (options_pane_left_.width() - xpos_left) / 2 + border_size, ypos_left);
+		xpos_left + options_pane_left_.width() / 3 + border_size, ypos_left);
+	options_pane_left_.add_widget(&registered_users_only_,
+		xpos_left + options_pane_left_.width() * 2/ 3 + border_size, ypos_left);
 	ypos_left += shuffle_sides_.height() + border_size;
 
 	options_pane_left_.add_widget(&random_faction_mode_label_, xpos_left, ypos_left);

src/game_initialization/multiplayer_configure.hpp

@@ -81,6 +81,7 @@ class configure : public mp::ui
 
 	gui::label name_entry_label_;
 	gui::button observers_game_;
+	gui::button registered_users_only_;
 	gui::button oos_debug_;
 	gui::button shuffle_sides_;
 	gui::label random_faction_mode_label_;

src/game_initialization/multiplayer_lobby.cpp

@@ -845,6 +845,7 @@ void gamebrowser::populate_game_item(gamebrowser::game_item & item, const config
 		item.time_limit = "";
 	}
 	item.xp = game["experience_modifier"].str() + "%";
+	item.registered_users_only = game["registered_users_only"].to_bool(true);
 	item.observers = game["observer"].to_bool(true);
 	item.shuffle_sides = game["shuffle_sides"].to_bool(true);
 	item.verified = verified;

src/game_initialization/multiplayer_lobby.hpp

@@ -97,6 +97,7 @@ class gamebrowser : public gui::menu {
 		bool fog;
 		bool shroud;
 		bool observers;
+		bool registered_users_only;
 		bool shuffle_sides;
 		bool use_map_settings;
 		bool verified;

src/game_preferences.cpp

@@ -603,6 +603,16 @@ void set_allow_observers(bool value)
 	preferences::set("allow_observers", value);
 }
 
+bool registered_users_only()
+{
+	return preferences::get("registered_users_only", false);
+}
+
+void set_registered_users_only(bool value)
+{
+	preferences::set("registered_users_only", value);
+}
+
 bool shuffle_sides()
 {
 	return preferences::get("shuffle_sides", false);

src/game_preferences.hpp

@@ -139,6 +139,9 @@ class acquaintance;
 	bool allow_observers();
 	void set_allow_observers(bool value);
 
+	bool registered_users_only();
+	void set_registered_users_only(bool value);
+
 	bool shuffle_sides();
 	void set_shuffle_sides(bool value);
 

src/mp_game_settings.cpp

@@ -53,6 +53,7 @@ mp_game_settings::mp_game_settings() :
 	fog_game(false),
 	shroud_game(false),
 	allow_observers(false),
+	registered_users_only(false),
 	shuffle_sides(false),
 	saved_game(false),
 	random_faction_mode(RANDOM_FACTION_MODE::DEFAULT),
@@ -85,6 +86,7 @@ mp_game_settings::mp_game_settings(const config& cfg)
 	, fog_game(cfg["mp_fog"].to_bool())
 	, shroud_game(cfg["mp_shroud"].to_bool())
 	, allow_observers(cfg["observer"].to_bool())
+	, registered_users_only(cfg["registered_users_only"].to_bool())
 	, shuffle_sides(cfg["shuffle_sides"].to_bool())
 	, saved_game(cfg["savegame"].to_bool())
 	, random_faction_mode(cfg["random_faction_mode"].to_enum<RANDOM_FACTION_MODE>(RANDOM_FACTION_MODE::DEFAULT))
@@ -125,6 +127,7 @@ config mp_game_settings::to_config() const
 	cfg["mp_use_map_settings"] = use_map_settings;
 	cfg["mp_random_start_time"] = random_start_time;
 	cfg["observer"] = allow_observers;
+	cfg["registered_users_only"] = registered_users_only;
 	cfg["shuffle_sides"] = shuffle_sides;
 	cfg["random_faction_mode"] = random_faction_mode;
 	cfg["savegame"] = saved_game;

src/mp_game_settings.hpp

@@ -59,6 +59,7 @@ struct mp_game_settings
 	bool fog_game;
 	bool shroud_game;
 	bool allow_observers;
+	bool registered_users_only;
 	bool shuffle_sides;
 
 	bool saved_game;

src/server/game.cpp

@@ -146,6 +146,10 @@ bool game::allow_observers() const {
 	return get_multiplayer(level_.root())["observer"].to_bool(true);
 }
 
+bool game::registered_users_only() const {
+	return get_multiplayer(level_.root())["registered_users_only"].to_bool(true);
+}
+
 bool game::is_observer(const socket_ptr player) const {
 	return std::find(observers_.begin(),observers_.end(),player) != observers_.end();
 }

src/server/game.hpp

@@ -55,6 +55,7 @@ class game
 	bool is_member(const socket_ptr player) const
 	{ return is_player(player) || is_observer(player); }
 	bool allow_observers() const;
+	bool registered_users_only() const;
 	bool is_observer(const socket_ptr player) const;
 	bool is_player(const socket_ptr player) const;
 

src/server/server.cpp

@@ -1466,6 +1466,11 @@ void server::handle_join_game(socket_ptr socket, simple_wml::node& join)
 		return;
 	} else if (player_connections_.find(socket)->info().is_moderator()) {
 		// Admins are always allowed to join.
+	} else if (g->registered_users_only() && !player_connections_.find(socket)->info().registered()) {
+		async_send_doc(socket, leave_game_doc);
+		send_server_message(socket, "Only registered users are allowed to join this game.");
+		async_send_doc(socket, games_and_users_list_);
+		return;
 	} else if (g->player_is_banned(socket)) {
 		DBG_SERVER << client_address(socket) << "\tReject banned player: "
 			<< player_connections_.find(socket)->info().name() << "\tfrom game:\t\"" << g->name()