add outdated map warning after map selection

if an outdated map is selected, a popup is shown to warn the host and
ask him to update the map
fixes FAForever#2024

loc/CZ/strings_db.lua

@@ -5325,6 +5325,7 @@ lobui_0769="Klikni levým na ikonu ACU pro přesunutí sebe nebo prohození hrá
 lobui_0770="Klikni pravým na ikonu ACU pro zavření nebo otevření pozice."
 lobui_0771="Klikni levým na ikonu ACU pro přesunutí sebe."
 lobui_0772="Náhled Mapy"
+lobui_0773="The currently selected map is outdated and/or unbalanced. Please download the latest version from the map vault."
 main_menu_0000="Vytvořené spojenectví"
 main_menu_0001="Více hráčů přes LAN"
 main_menu_0002="Návrat do hry"

loc/DE/strings_db.lua

@@ -5090,6 +5090,7 @@ lobui_0769="Linksklick auf ACU Symbol um deine Position zu bestimmen oder mit ei
 lobui_0770="Rechtsklick auf ACU Symbol zum öffnen oder schließen der Startpositionen."
 lobui_0771="Linksklick auf ACU Symbol um deine Position zu bestimmen."
 lobui_0772="Kartenvorschau"
+lobui_0773="Die ausgewählte Karte ist veraltet und/oder unausgeglichen. Bitte aktualisieren!"
 main_menu_0000="Forged Alliance"
 main_menu_0001="Mehrspieler-LAN"
 main_menu_0002="Zurück ins Spiel"

loc/ES/strings_db.lua

@@ -5255,6 +5255,7 @@ lobui_0769="Left click ACU icon to move yourself or swap players."
 lobui_0770="Right click ACU icon to close or open the slot."
 lobui_0771="Left click ACU icon to move yourself."
 lobui_0772="Map Preview"
+lobui_0773="The currently selected map is outdated and/or unbalanced. Please download the latest version from the map vault."
 main_menu_0000="Forged Alliance"
 main_menu_0001="LAN multijugador"
 main_menu_0002="Reanudar partida"

loc/FR/strings_db.lua

@@ -7672,6 +7672,7 @@ lobui_0769="Faites un click gauche sur l'icone ACU pour vous déplacer ou echang
 lobui_0770="Faites un click droit sur l'icone ACU pour ouvrir ou fermer l'emplacement."
 lobui_0771="Faites un click droit sur l'icone ACU pour vous déplacer."
 lobui_0772="Aperçu de la Carte"
+lobui_0773="The currently selected map is outdated and/or unbalanced. Please download the latest version from the map vault."
 lobui_0579="No Map Available"
 lobui_0580="%d Map Available"
 lobui_0581="%d Maps Available"

loc/IT/strings_db.lua

@@ -7685,7 +7685,7 @@ lobui_0769="Left click ACU icon to move yourself or swap players."
 lobui_0770="Right click ACU icon to close or open the slot."
 lobui_0771="Left click ACU icon to move yourself."
 lobui_0772="Map Preview"
-
+lobui_0773="The currently selected map is outdated and/or unbalanced. Please download the latest version from the map vault."
 lobui_0592="Permetti osservatori"
 lobui_0593="Gli osservatori sono permessi dopo che il gioco e iniziato?"
 lobui_0594="Osservatori permessi"

loc/PL/strings_db.lua

@@ -5324,6 +5324,7 @@ lobui_0769="Left click ACU icon to move yourself or swap players."
 lobui_0770="Right click ACU icon to close or open the slot."
 lobui_0771="Left click ACU icon to move yourself."
 lobui_0772="Map Preview"
+lobui_0773="The currently selected map is outdated and/or unbalanced. Please download the latest version from the map vault."
 main_menu_0000="W obliczu wroga"
 main_menu_0001="Gra wieloosobowa"
 main_menu_0002="Wróć do gry"

loc/RU/strings_db.lua

@@ -7883,6 +7883,7 @@ lobui_0769="ЛКМ по иконке БМК чтобы переместить с
 lobui_0770="ПКМ по иконке БМК чтобы открыть или закрыть слот"
 lobui_0771="ЛКМ по иконке БМК чтобы переместить себя"
 lobui_0772="Пред. просмотр карты"
+lobui_0773="The currently selected map is outdated and/or unbalanced. Please download the latest version from the map vault."
 
 # uimod_0010 in earlier but not sure if it should be changed
 uimod_0016="Включен игровой мод"

loc/TZM/strings_db.lua

@@ -7667,6 +7667,7 @@ lobui_0769="Left click ACU icon to move yourself or swap players."
 lobui_0770="Right click ACU icon to close or open the slot."
 lobui_0771="Left click ACU icon to move yourself."
 lobui_0772="Map Preview"
+lobui_0773="The currently selected map is outdated and/or unbalanced. Please download the latest version from the map vault."
 lobui_0585="AI Markers"
 lobui_0586="Select maps with AI Markers"
 lobui_0748="Number of Games"

loc/US/strings_db.lua

@@ -7150,6 +7150,7 @@ lobui_0769="Left click ACU icon to move yourself or swap players."
 lobui_0770="Right click ACU icon to close or open the slot."
 lobui_0771="Left click ACU icon to move yourself."
 lobui_0772="Map Preview"
+lobui_0773="The currently selected map is outdated and/or unbalanced. Please download the latest version from the map vault."
 aisettings_0001="AIx Cheat Multiplier"
 aisettings_0002="Set the cheat multiplier for the cheating AIs."
 aisettings_0003="Cheat multiplier of %s"

lua/ui/dialogs/mapselect.lua

@@ -671,6 +671,14 @@ function CreateDialog(selectBehavior, exitBehavior, over, singlePlayer, defaultS
     SetupOptionsPanel(OptionGroup, curOptions)
 
     selectButton.OnClick = function(self, modifiers)
+        local obsoleteFilterFactory = mapFilters[GetFilterIndex('map_obsolete')].FilterFactory
+        obsoleteFilterFactory.SelectedKey = 1
+        local obsoleteFilter = obsoleteFilterFactory:Build()
+        if obsoleteFilter ~= nil then
+            if not obsoleteFilter(selectedScenario) then
+                GUI_OldMap(over)
+            end
+        end
         selectBehavior(selectedScenario, changedOptions, restrictedCategories)
         ResetFilters()
     end
@@ -683,6 +691,14 @@ function CreateDialog(selectBehavior, exitBehavior, over, singlePlayer, defaultS
     mapList.OnKeySelect = OnMapChanged
     mapList.OnClick = OnMapChanged
     mapList.OnDoubleClick = function(self, row)
+        local obsoleteFilterFactory = mapFilters[GetFilterIndex('map_obsolete')].FilterFactory
+        obsoleteFilterFactory.SelectedKey = 1
+        local obsoleteFilter = obsoleteFilterFactory:Build()
+        if obsoleteFilter ~= nil then
+            if not obsoleteFilter(selectedScenario) then
+                GUI_OldMap(over)
+            end
+        end
         mapList:SetSelection(row)
         PreloadMap(row)
         local scen = scenarios[scenarioKeymap[row+1]]
@@ -697,6 +713,7 @@ function CreateDialog(selectBehavior, exitBehavior, over, singlePlayer, defaultS
     return popup
 end
 
+
 function RefreshOptions(skipRefresh)
     -- a little weird, but the "skip refresh" is set to prevent calc visible from being called before the control is properly setup
     -- it also means it's a flag that tells you this is the first time the dialog has been opened
@@ -1065,3 +1082,30 @@ function PopulateMapList()
         mapList:ShowItem(reselectRow -1)
     end
 end
+
+
+function GUI_OldMap(over)
+    local GUI = UIUtil.CreateScreenGroup(over, "CreateMapPopup ScreenGroup")
+    local dialogContent = Group(GUI)
+    dialogContent.Width:Set(900)
+    dialogContent.Height:Set(100)
+
+    local Changelog = import('/lua/ui/lobby/changelog.lua')
+    local OldMapPopup = Popup(GUI, dialogContent)
+    OldMapPopup.OnClosed = function()
+        Prefs.SetToCurrentProfile('LobbyChangelog', Changelog.last_version)
+    end
+
+    -- Title --
+    local text0 = UIUtil.CreateText(dialogContent, LOC("<LOC lobui_0773>The currently selected map is outdated and/or unbalanced. Please download the latest version from the map vault."), 17, 'Arial Gras', true)
+    LayoutHelpers.AtHorizontalCenterIn(text0, dialogContent, 0)
+    LayoutHelpers.AtTopIn(text0, dialogContent, 10)
+
+    -- OK button --
+    local OkButton = UIUtil.CreateButtonWithDropshadow(dialogContent, '/BUTTON/medium/', "Ok")
+    LayoutHelpers.AtCenterIn(OkButton, dialogContent, 20)
+    LayoutHelpers.AtBottomIn(OkButton, dialogContent, 10)
+    OkButton.OnClick = function()
+        OldMapPopup:Close()
+    end
+end