Show the server map pool in the client map chooser.

Maps that aren't installed are queried from the resource center.

mods/common/chrome/map-chooser.yaml

@@ -19,6 +19,13 @@ Background@MAPCHOOSER_PANEL:
 			Width: 140
 			Text: button-mapchooser-panel-system-maps-tab
 			Font: Bold
+		Button@REMOTE_MAPS_TAB_BUTTON:
+			X: 20
+			Y: 48
+			Height: 31
+			Width: 140
+			Text: button-mapchooser-panel-remote-maps-tab
+			Font: Bold
 		Button@USER_MAPS_TAB_BUTTON:
 			X: 160
 			Y: 48
@@ -39,6 +46,13 @@ Background@MAPCHOOSER_PANEL:
 						ScrollPanel@MAP_LIST:
 							Width: PARENT_RIGHT
 							Height: PARENT_BOTTOM
+				Container@REMOTE_MAPS_TAB:
+					Width: PARENT_RIGHT
+					Height: PARENT_BOTTOM
+					Children:
+						ScrollPanel@MAP_LIST:
+							Width: PARENT_RIGHT
+							Height: PARENT_BOTTOM
 				Container@USER_MAPS_TAB:
 					Width: PARENT_RIGHT
 					Height: PARENT_BOTTOM
@@ -150,6 +164,13 @@ Background@MAPCHOOSER_PANEL:
 			Height: 25
 			Text: button-mapchooser-panel-delete-all-maps
 			Font: Bold
+		Label@REMOTE_MAP_LABEL:
+			X: 140
+			Y: PARENT_BOTTOM - HEIGHT - 20
+			Width: PARENT_RIGHT - 410
+			Height: 25
+			Align: Center
+			Font: Bold
 		Button@BUTTON_OK:
 			X: PARENT_RIGHT - 270
 			Y: PARENT_BOTTOM - 45

mods/common/languages/chrome/en.ftl

@@ -350,6 +350,7 @@ label-update-notice-b = Download the latest version from www.openra.net
 ## map-chooser.yaml
 label-mapchooser-panel-title = Choose Map
 button-mapchooser-panel-system-maps-tab = Official Maps
+button-mapchooser-panel-remote-maps-tab = Server Maps
 button-mapchooser-panel-user-maps-tab = Custom Maps
 label-filter-order-controls-desc = Filter:
 label-filter-order-controls-desc-joiner = in

mods/common/languages/en.ftl

@@ -500,6 +500,16 @@ label-map-size-huge = (Huge)
 label-map-size-large = (Large)
 label-map-size-medium = (Medium)
 label-map-size-small = (Small)
+label-map-searching-count =
+    { $count ->
+        [one] Searching the OpenRA Resource Center for { $count } map...
+       *[other] Searching the OpenRA Resource Center for { $count } maps...
+    }
+label-map-unavailable-count =
+    { $count ->
+        [one] { $count } map was not found on the OpenRA Resource Center
+       *[other] { $count } maps were not found on the OpenRA Resource Center
+    }
 
 notification-map-deletion-failed = Failed to delete map '{ $map }'. See the debug.log file for details.