Gamepad A und B auf ui_accept und ui_cancel gemappt

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01QPgKvy5W9WRNFHjkm5QsHx

scripts/ui/main.gd

@@ -9,6 +9,7 @@ var net: Net
 
 
 func _ready() -> void:
+    _map_gamepad()
     theme = Style.make_theme()
     var bg := Style.Backdrop.new()
     bg.set_anchors_preset(Control.PRESET_FULL_RECT)
@@ -73,6 +74,18 @@ func _input(event: InputEvent) -> void:
         get_viewport().gui_release_focus()
 
 
+## Gamepad-Tasten für die Menünavigation: A bestätigt, B bricht ab (falls nicht schon zugeordnet).
+func _map_gamepad() -> void:
+    for pair in [["ui_accept", JOY_BUTTON_A], ["ui_cancel", JOY_BUTTON_B]]:
+        var action: String = pair[0]
+        if not InputMap.has_action(action):
+            InputMap.add_action(action)
+        if not InputMap.action_get_events(action).any(func(e): return e is InputEventJoypadButton):
+            var ev := InputEventJoypadButton.new()
+            ev.button_index = pair[1]
+            InputMap.action_add_event(action, ev)
+
+
 func focus_first_button() -> void:
     if screen == null or screen is BattleScreen:
         return