feat: Introduce comprehensive settings management with UI for video, audio, and remappable controls.

scripts/ui/settings_menu.gd

@@ -8,6 +8,10 @@ extends CanvasLayer
 # Video Controls
 @onready var fullscreen_toggle = %FullscreenToggle
 @onready var vsync_toggle = %VSyncToggle
+@onready var resolution_btn = %ResolutionBtn
+@onready var msaa_btn = %MSAABtn
+@onready var shadow_btn = %ShadowBtn
+@onready var fps_btn = %FPSCapBtn
 
 # Audio Controls
 @onready var master_slider = %MasterSlider
@@ -15,6 +19,7 @@ extends CanvasLayer
 @onready var sfx_slider = %SFXSlider
 
 # Controls (Keybinds)
+@onready var use_controller_btn = %UseControllerBtn
 @onready var SettingsManager = get_node_or_null("/root/SettingsManager")
 var listening_action: String = "" # Set when waiting for a keypress
 
@@ -37,31 +42,76 @@ func _load_ui_values():
 	fullscreen_toggle.button_pressed = s.video.fullscreen
 	vsync_toggle.button_pressed = s.video.vsync
 	
+	# Populate Resolution dropdown if not already populated
+	if resolution_btn.item_count == 0:
+		for i in range(SettingsManager.RESOLUTIONS.size()):
+			var res = SettingsManager.RESOLUTIONS[i]
+			resolution_btn.add_item("%dx%d" % [res.x, res.y])
+	resolution_btn.selected = s.video.resolution_idx
+	
+	# MSAA
+	if msaa_btn.item_count == 0:
+		msaa_btn.add_item("Disabled")
+		msaa_btn.add_item("2x")
+		msaa_btn.add_item("4x")
+		msaa_btn.add_item("8x")
+	msaa_btn.selected = s.video.msaa
+	
+	# Shadows
+	if shadow_btn.item_count == 0:
+		shadow_btn.add_item("Low")
+		shadow_btn.add_item("Medium")
+		shadow_btn.add_item("High")
+		shadow_btn.add_item("Ultra")
+	shadow_btn.selected = s.video.shadow_quality
+	
+	# FPS Cap
+	if fps_btn.item_count == 0:
+		fps_btn.add_item("Unlimited")
+		fps_btn.add_item("30 FPS")
+		fps_btn.add_item("60 FPS")
+		fps_btn.add_item("120 FPS")
+		fps_btn.add_item("144 FPS")
+	fps_btn.selected = s.video.fps_cap
+	
 	# Audio
 	master_slider.value = s.audio.master_volume
 	music_slider.value = s.audio.music_volume
 	sfx_slider.value = s.audio.sfx_volume
 	
 	# Controls
+	use_controller_btn.button_pressed = s.controls.get("use_controller", false)
 	_update_all_key_labels()
 
 func _connect_signals():
 	# Video
 	fullscreen_toggle.toggled.connect(_on_video_setting_changed)
 	vsync_toggle.toggled.connect(_on_video_setting_changed)
+	resolution_btn.item_selected.connect(_on_resolution_selected)
+	msaa_btn.item_selected.connect(_on_video_property_changed.bind("msaa"))
+	shadow_btn.item_selected.connect(_on_video_property_changed.bind("shadow_quality"))
+	fps_btn.item_selected.connect(_on_video_property_changed.bind("fps_cap"))
 	
 	# Audio
 	master_slider.value_changed.connect(_on_audio_setting_changed.bind("master_volume"))
 	music_slider.value_changed.connect(_on_audio_setting_changed.bind("music_volume"))
 	sfx_slider.value_changed.connect(_on_audio_setting_changed.bind("sfx_volume"))
 	
+	# Controls
+	use_controller_btn.toggled.connect(_on_control_setting_changed.bind("use_controller"))
+	
 	# Close
 	close_button.pressed.connect(func(): visible = false)
 	
-	# Connect remapping buttons
+	# Connect remapping buttons (exclude non-keybinds like use_controller)
 	for action_name in SettingsManager.settings.controls.keys():
+		if action_name == "use_controller":
+			continue
+			
 		var btn = get_node_or_null("%" + action_name.to_pascal_case() + "Btn")
 		if btn:
+			if btn.pressed.is_connected(_on_remap_button_pressed):
+				btn.pressed.disconnect(_on_remap_button_pressed)
 			btn.pressed.connect(_on_remap_button_pressed.bind(action_name))
 
 func _on_video_setting_changed(_unused = false):
@@ -70,11 +120,25 @@ func _on_video_setting_changed(_unused = false):
 	SettingsManager.save_settings()
 	SettingsManager.apply_video_settings()
 
+func _on_resolution_selected(idx: int):
+	SettingsManager.settings.video.resolution_idx = idx
+	SettingsManager.save_settings()
+	SettingsManager.apply_video_settings()
+
+func _on_video_property_changed(idx: int, property_name: String):
+	SettingsManager.settings.video[property_name] = idx
+	SettingsManager.save_settings()
+	SettingsManager.apply_video_settings()
+
 func _on_audio_setting_changed(key: String, value: float):
 	SettingsManager.settings.audio[key] = value
 	SettingsManager.save_settings()
 	SettingsManager.apply_audio_settings()
 
+func _on_control_setting_changed(value: bool, key: String):
+	SettingsManager.settings.controls[key] = value
+	SettingsManager.save_settings()
+
 func _on_remap_button_pressed(action_name: String):
 	listening_action = action_name
 	var btn = get_node_or_null("%" + action_name.to_pascal_case() + "Btn")