feat: implement pause menu with loadout management and rebindable input settings

ui/pause_menu.gd

@@ -4,8 +4,10 @@ var bg: ColorRect
 var main_vbox: VBoxContainer
 var resume_btn: Button
 var loadouts_btn: Button
+var settings_btn: Button
 var exit_btn: Button
 
+# Loadout UI
 var loadout_editor: Control
 var loadout_list_vbox: VBoxContainer
 var edit_panel: PanelContainer
@@ -15,9 +17,16 @@ var primary2_opt: OptionButton
 var special_opt: OptionButton
 var save_loadout_btn: Button
 var back_to_main_btn: Button
-
 var editing_index: int = -1
 
+# Settings UI
+var settings_editor: Control
+var settings_back_btn: Button
+var keybind_vbox: VBoxContainer
+var rebind_overlay: ColorRect
+var rebind_label: Label
+var waiting_for_input_action: String = ""
+
 var quit_dialog: ConfirmationDialog
 
 func _ready() -> void:
@@ -29,6 +38,17 @@ func _ready() -> void:
 	_connect_signals()
 
 func _input(event: InputEvent) -> void:
+	if waiting_for_input_action != "":
+		if event is InputEventKey or event is InputEventMouseButton:
+			if event.is_pressed():
+				SettingsManager.rebind_action(waiting_for_input_action, event)
+				waiting_for_input_action = ""
+				rebind_overlay.visible = false
+				_populate_keybindings()
+				# Consume event so it doesn't trigger anything else
+				get_viewport().set_input_as_handled()
+		return
+
 	if event.is_action_pressed("ui_cancel"):
 		if visible:
 			_resume()
@@ -52,7 +72,7 @@ func _build_ui() -> void:
 	bg.set_anchors_preset(Control.PRESET_FULL_RECT)
 	add_child(bg)
 	
-	# Main Menu
+	# ── Main Menu ──
 	var main_center = CenterContainer.new()
 	main_center.set_anchors_preset(Control.PRESET_FULL_RECT)
 	bg.add_child(main_center)
@@ -77,12 +97,17 @@ func _build_ui() -> void:
 	loadouts_btn.custom_minimum_size = Vector2(200, 50)
 	main_vbox.add_child(loadouts_btn)
 	
+	settings_btn = Button.new()
+	settings_btn.text = "Settings"
+	settings_btn.custom_minimum_size = Vector2(200, 50)
+	main_vbox.add_child(settings_btn)
+	
 	exit_btn = Button.new()
 	exit_btn.text = "Exit Game"
 	exit_btn.custom_minimum_size = Vector2(200, 50)
 	main_vbox.add_child(exit_btn)
 	
-	# Loadout Editor Root
+	# ── Loadout Editor Root ──
 	loadout_editor = Control.new()
 	loadout_editor.set_anchors_preset(Control.PRESET_FULL_RECT)
 	bg.add_child(loadout_editor)
@@ -95,7 +120,6 @@ func _build_ui() -> void:
 	editor_hbox.add_theme_constant_override("separation", 40)
 	editor_center.add_child(editor_hbox)
 	
-	# Loadout List
 	var left_vbox = VBoxContainer.new()
 	editor_hbox.add_child(left_vbox)
 	
@@ -112,7 +136,6 @@ func _build_ui() -> void:
 	back_to_main_btn.custom_minimum_size = Vector2(0, 40)
 	left_vbox.add_child(back_to_main_btn)
 	
-	# Edit Panel
 	edit_panel = PanelContainer.new()
 	editor_hbox.add_child(edit_panel)
 	
@@ -147,7 +170,74 @@ func _build_ui() -> void:
 	save_loadout_btn.custom_minimum_size = Vector2(0, 40)
 	edit_vbox.add_child(save_loadout_btn)
 	
-	# Quit Dialog
+	# ── Settings Editor Root ──
+	settings_editor = Control.new()
+	settings_editor.set_anchors_preset(Control.PRESET_FULL_RECT)
+	bg.add_child(settings_editor)
+	
+	var settings_center = CenterContainer.new()
+	settings_center.set_anchors_preset(Control.PRESET_FULL_RECT)
+	settings_editor.add_child(settings_center)
+	
+	var settings_vbox = VBoxContainer.new()
+	settings_vbox.custom_minimum_size = Vector2(600, 400)
+	settings_center.add_child(settings_vbox)
+	
+	settings_back_btn = Button.new()
+	settings_back_btn.text = "Back to Menu"
+	settings_vbox.add_child(settings_back_btn)
+	
+	var tab_container = TabContainer.new()
+	tab_container.size_flags_vertical = Control.SIZE_EXPAND_FILL
+	settings_vbox.add_child(tab_container)
+	
+	# General Tab
+	var general_tab = VBoxContainer.new()
+	general_tab.name = "General"
+	tab_container.add_child(general_tab)
+	var gen_label = Label.new()
+	gen_label.text = "Settings coming soon..."
+	general_tab.add_child(gen_label)
+	
+	# Keybindings Tab
+	var key_tab = VBoxContainer.new()
+	key_tab.name = "Keybindings"
+	tab_container.add_child(key_tab)
+	
+	var reset_btn = Button.new()
+	reset_btn.text = "Reset to Defaults"
+	reset_btn.pressed.connect(func():
+		SettingsManager.reset_to_defaults()
+		_populate_keybindings()
+	)
+	key_tab.add_child(reset_btn)
+	
+	var scroll = ScrollContainer.new()
+	scroll.size_flags_vertical = Control.SIZE_EXPAND_FILL
+	key_tab.add_child(scroll)
+	
+	keybind_vbox = VBoxContainer.new()
+	keybind_vbox.size_flags_horizontal = Control.SIZE_EXPAND_FILL
+	scroll.add_child(keybind_vbox)
+	
+	# Rebind Overlay
+	rebind_overlay = ColorRect.new()
+	rebind_overlay.color = Color(0, 0, 0, 0.85)
+	rebind_overlay.set_anchors_preset(Control.PRESET_FULL_RECT)
+	rebind_overlay.visible = false
+	add_child(rebind_overlay)
+	
+	var rebind_center = CenterContainer.new()
+	rebind_center.set_anchors_preset(Control.PRESET_FULL_RECT)
+	rebind_overlay.add_child(rebind_center)
+	
+	rebind_label = Label.new()
+	rebind_label.text = "Press any key..."
+	rebind_label.add_theme_font_size_override("font_size", 32)
+	rebind_center.add_child(rebind_label)
+	
+	
+	# ── Quit Dialog ──
 	quit_dialog = ConfirmationDialog.new()
 	quit_dialog.title = "Quit Game"
 	quit_dialog.dialog_text = "Are you sure you want to close the game?"
@@ -161,21 +251,72 @@ func _create_label(text: String) -> Label:
 func _connect_signals() -> void:
 	resume_btn.pressed.connect(_resume)
 	loadouts_btn.pressed.connect(_show_loadouts)
+	settings_btn.pressed.connect(_show_settings)
 	exit_btn.pressed.connect(_show_exit_dialog)
 	back_to_main_btn.pressed.connect(_show_main_menu)
+	settings_back_btn.pressed.connect(_show_main_menu)
 	save_loadout_btn.pressed.connect(_save_current_loadout)
 	quit_dialog.confirmed.connect(_quit_game)
 
 func _show_main_menu() -> void:
 	main_vbox.visible = true
 	loadout_editor.visible = false
+	settings_editor.visible = false
 
 func _show_loadouts() -> void:
 	main_vbox.visible = false
+	settings_editor.visible = false
 	loadout_editor.visible = true
 	edit_panel.visible = false
 	_populate_loadout_list()
 
+func _show_settings() -> void:
+	main_vbox.visible = false
+	loadout_editor.visible = false
+	settings_editor.visible = true
+	_populate_keybindings()
+
+func _populate_keybindings() -> void:
+	for c in keybind_vbox.get_children():
+		c.queue_free()
+		
+	var actions = SettingsManager.default_bindings.keys()
+	for action in actions:
+		var hbox = HBoxContainer.new()
+		var lbl = Label.new()
+		lbl.text = action.capitalize()
+		lbl.custom_minimum_size = Vector2(200, 0)
+		hbox.add_child(lbl)
+		
+		var btn = Button.new()
+		btn.text = _get_key_name(action)
+		btn.custom_minimum_size = Vector2(150, 0)
+		btn.pressed.connect(func(): _start_rebind(action))
+		hbox.add_child(btn)
+		
+		keybind_vbox.add_child(hbox)
+
+func _start_rebind(action: String) -> void:
+	waiting_for_input_action = action
+	rebind_label.text = "Press any key for: " + action.capitalize()
+	rebind_overlay.visible = true
+
+func _get_key_name(action: String) -> String:
+	if not InputMap.has_action(action):
+		return "?"
+	var events = InputMap.action_get_events(action)
+	for e in events:
+		if e is InputEventKey:
+			var code = e.physical_keycode if e.physical_keycode != 0 else e.keycode
+			return OS.get_keycode_string(code)
+		elif e is InputEventMouseButton:
+			if e.button_index == MOUSE_BUTTON_LEFT: return "LClick"
+			elif e.button_index == MOUSE_BUTTON_RIGHT: return "RClick"
+			elif e.button_index == MOUSE_BUTTON_MIDDLE: return "MClick"
+			elif e.button_index == MOUSE_BUTTON_WHEEL_UP: return "MWheel Up"
+			elif e.button_index == MOUSE_BUTTON_WHEEL_DOWN: return "MWheel Down"
+	return "?"
+
 func _populate_loadout_list() -> void:
 	for c in loadout_list_vbox.get_children():
 		c.queue_free()
@@ -220,7 +361,6 @@ func _populate_options(opt: OptionButton, category: String, current_id: String)
 	var idx = 0
 	var select_idx = 0
 	
-	# Always add "none" as first option
 	opt.add_item("None", 0)
 	opt.set_item_metadata(0, "none")
 	if current_id == "none": select_idx = 0