add mods menu in lobby

data/ui_scripts/mods/__init__.lua

@@ -1,3 +1,5 @@
-if (game:issingleplayer()) then
-    require("loading")
+require("loading")
+
+if (Engine.InFrontend()) then
+    require("download")
 end

data/ui_scripts/mods/loading.lua

@@ -38,14 +38,16 @@ function string:truncate(length)
 	return self:sub(1, length - 3) .. "..."
 end
 
-LUI.addmenubutton("main_campaign", {
+if (game:issingleplayer()) then
+    LUI.addmenubutton("main_campaign", {
         index = 6,
         text = "@MENU_MODS",
         description = Engine.Localize("@MENU_MODS_DESC"),
         callback = function()
             LUI.FlowManager.RequestAddMenu(nil, "mods_menu")
         end
-})
+    })
+end
 
 function getmodname(path)
 	local name = path

data/ui_scripts/server_list/lobby.lua

@@ -28,6 +28,12 @@ function menu_xboxlive(f16_arg0, f16_arg1)
         menu:AddBarracksButton()
         menu:AddPersonalizationButton()
         menu:AddDepotButton()
+
+        -- kinda a weird place to do this, but it's whatever
+        -- add "MODS" button below depot button
+        local modsButton = menu:AddButton("@MENU_MODS", function(a1, a2)
+            LUI.FlowManager.RequestAddMenu(a1, "mods_menu", true, nil)
+        end)
     end
 
     local privateMatchButton = menu:AddButton("@MENU_PRIVATE_MATCH", MPLobbyOnline.OnPrivateMatch,

src/client/component/mods.cpp

@@ -85,7 +85,7 @@ namespace mods
 					return;
 				}
 
-				if (!game::Com_InFrontend())
+				if (!game::Com_InFrontend() && (game::environment::is_mp() && !game::VirtualLobby_Loaded()))
 				{
 					console::info("Cannot load mod while in-game!\n");
 					game::CG_GameMessage(0, "^1Cannot unload mod while in-game!");
@@ -125,7 +125,7 @@ namespace mods
 					return;
 				}
 
-				if (!game::Com_InFrontend())
+				if (!game::Com_InFrontend() && (game::environment::is_mp() && !game::VirtualLobby_Loaded()))
 				{
 					console::info("Cannot unload mod while in-game!\n");
 					game::CG_GameMessage(0, "^1Cannot unload mod while in-game!");