[Feature] Added waypoint viewport tooltips.

src/lang/extra/english.txt

@@ -1420,6 +1420,8 @@ STR_DEPOT_VIEW_WAITING_TOOLTIP                                  :{}{COMMA} {P is
 STR_DEPOT_VIEW_FREE_WAGONS_TOOLTIP                              :{BLACK}{COMMA} wagon{P "" s} inside
 STR_DEPOT_VIEW_MIXED_CONTENTS_TOOLTIP                           :{BLACK}{STRING1}{}{STRING1}
 
+STR_WAYPOINT_VIEW_NAME_TOOLTIP                                  :{WAYPOINT}
+
 STR_STATION_VIEW_NAME_TOOLTIP                                   :{STATION}{NBSP}{STATION_FEATURES}
 STR_STATION_VIEW_CARGO_LINE_TOOLTIP                             :{STRING} ({COMMA}%): {CARGO_SHORT}
 
@@ -2179,6 +2181,12 @@ STR_CONFIG_SETTING_DEPOT_TOOLTIP_MODE_OFF                       :Off
 STR_CONFIG_SETTING_DEPOT_TOOLTIP_MODE_SIMPLE                    :Simple
 STR_CONFIG_SETTING_DEPOT_TOOLTIP_MODE_DETAILED                  :Detailed
 
+STR_CONFIG_SETTING_WAYPOINT_VIEWPORT_TOOLTIP_NAME               :Show viewport tooltips for waypoints and buoys: {STRING2}
+STR_CONFIG_SETTING_WAYPOINT_VIEWPORT_TOOLTIP_NAME_HELPTEXT      :Show the name of the waypoint or buoy in a viewport tooltip when hovering over it.
+STR_CONFIG_SETTING_WAYPOINT_VIEWPORT_TOOLTIP_NAME_OFF           :Off
+STR_CONFIG_SETTING_WAYPOINT_VIEWPORT_TOOLTIP_NAME_ON_IF_HIDDEN  :On, if waypoint names are hidden
+STR_CONFIG_SETTING_WAYPOINT_VIEWPORT_TOOLTIP_NAME_ALWAYS_ON     :Always on
+
 STR_CONFIG_SETTING_STATION_VIEWPORT_TOOLTIP_NAME                :Show names in station viewport tooltips: {STRING2}
 STR_CONFIG_SETTING_STATION_VIEWPORT_TOOLTIP_NAME_HELPTEXT       :Show the name of the station in a viewport tooltip when hovering over it.
 STR_CONFIG_SETTING_STATION_VIEWPORT_TOOLTIP_CARGO               :Show cargo details in station viewport tooltips: {STRING2}

src/settings_gui.cpp

@@ -1984,6 +1984,7 @@ static SettingsContainer &GetSettingsTree()
 				tooltips->Add(new ConditionallyHiddenSettingEntry("gui.industry_tooltip_show_stockpiled", []() -> bool { return !_settings_client.gui.industry_tooltip_show; }));
 				tooltips->Add(new ConditionallyHiddenSettingEntry("gui.industry_tooltip_show_produced", []() -> bool { return !_settings_client.gui.industry_tooltip_show; }));
 				tooltips->Add(new SettingEntry("gui.depot_tooltip_mode"));
+				tooltips->Add(new SettingEntry("gui.waypoint_viewport_tooltip_name"));
 				tooltips->Add(new SettingEntry("gui.station_viewport_tooltip_name"));
 				tooltips->Add(new SettingEntry("gui.station_viewport_tooltip_cargo"));
 				tooltips->Add(new SettingEntry("gui.station_rating_tooltip_mode"));

src/settings_type.h

@@ -147,6 +147,7 @@ struct GUISettings : public TimeSettings {
 	bool   industry_tooltip_show_stockpiled; ///< whether to display cargoes stockpiled by the industry, when hovering over one of its tiles.
 	bool   industry_tooltip_show_produced;   ///< whether to display cargoes produced by the industry, when hovering over one of its tiles.
 	uint8  depot_tooltip_mode;               ///< Display mode for depot viewport tooltips. (0 = never, 1 = just a total number of vehicles, 2 = total number of vehicles in the depot along with a breakdown of numbers)
+	uint8  waypoint_viewport_tooltip_name;   ///< Show the name of the waypoint or buoy in a viewport tooltip. (0 = never, 1 = only if waypoint names are hidden, 2 = always)
 	uint8  station_viewport_tooltip_name;    ///< Show the name of the station in a viewport tooltip. (0 = never, 1 = only if station names are hidden, 2 = always)
 	bool   station_viewport_tooltip_cargo;   ///< Show a list of cargo details at the station in a viewport tooltip.
 	uint8  station_rating_tooltip_mode;      ///< Station rating tooltip mode

src/table/settings/settings.ini

@@ -4610,6 +4610,17 @@ str     = STR_CONFIG_SETTING_DEPOT_TOOLTIP_MODE
 strhelp = STR_CONFIG_SETTING_DEPOT_TOOLTIP_MODE_HELPTEXT
 strval  = STR_CONFIG_SETTING_DEPOT_TOOLTIP_MODE_OFF
 
+[SDTC_VAR]
+var     = gui.waypoint_viewport_tooltip_name
+type    = SLE_UINT8
+flags   = SF_NOT_IN_SAVE | SF_NO_NETWORK_SYNC | SF_GUI_DROPDOWN
+def     = 1
+min     = 0
+max     = 2
+str     = STR_CONFIG_SETTING_WAYPOINT_VIEWPORT_TOOLTIP_NAME
+strhelp = STR_CONFIG_SETTING_WAYPOINT_VIEWPORT_TOOLTIP_NAME_HELPTEXT
+strval  = STR_CONFIG_SETTING_WAYPOINT_VIEWPORT_TOOLTIP_NAME_OFF
+
 [SDTC_VAR]
 var     = gui.station_viewport_tooltip_name
 type    = SLE_UINT8

src/viewport_gui.cpp

@@ -226,6 +226,12 @@ enum TownNameTooltipMode : uint8 {
 	TNTM_ALWAYS_ON
 };
 
+enum WaypointTooltipNameMode : uint8 {
+	WTNM_OFF,
+	WTNM_ON_IF_HIDDEN,
+	WTNM_ALWAYS_ON
+};
+
 enum StationTooltipNameMode : uint8 {
 	STNM_OFF,
 	STNM_ON_IF_HIDDEN,
@@ -266,6 +272,15 @@ void ShowTownNameTooltip(Window *w, const TileIndex tile)
 	GuiShowTooltips(w, tooltip_string, 0, nullptr, TCC_HOVER_VIEWPORT);
 }
 
+void ShowWaypointViewportTooltip(Window *w, const TileIndex tile)
+{
+	if (_settings_client.gui.waypoint_viewport_tooltip_name == WTNM_OFF ||
+			(_settings_client.gui.waypoint_viewport_tooltip_name == WTNM_ON_IF_HIDDEN && HasBit(_display_opt, DO_SHOW_WAYPOINT_NAMES))) return;
+
+	SetDParam(0, GetStationIndex(tile));
+	GuiShowTooltips(w, STR_WAYPOINT_VIEW_NAME_TOOLTIP, 0, nullptr, TCC_HOVER_VIEWPORT);
+}
+
 void ShowStationViewportTooltip(Window *w, const TileIndex tile)
 {
 	const StationID station_id = GetStationIndex(tile);
@@ -336,6 +351,8 @@ void ShowTooltipForTile(Window *w, const TileIndex tile)
 		case MP_STATION: {
 			if (IsHangar(tile)) {
 				ShowDepotTooltip(w, tile);
+			} else if (IsBuoy(tile) || IsRailWaypoint(tile) || IsRoadWaypoint(tile)) {
+				ShowWaypointViewportTooltip(w, tile);
 			} else {
 				ShowStationViewportTooltip(w, tile);
 			}