Added main menu

menu/options.gd

@@ -0,0 +1,39 @@
+extends Node
+
+signal show_credits
+signal show_main_menu
+
+@onready var fullscreen_check := $Control/VBoxContainer/OptionsGridContainer/FullscreenCheckButton
+@onready var window_factor := $Control/VBoxContainer/OptionsGridContainer/WindowFactorOptionButton
+
+
+func _ready() -> void:
+    _load_current_settings()
+
+
+func _load_current_settings() -> void:
+    fullscreen_check.button_pressed = SettingsManager.fullscreen()
+    window_factor.selected = SettingsManager.window_factor()
+    _update_window_factor_disabled()
+
+
+func _update_window_factor_disabled() -> void:
+    window_factor.disabled = SettingsManager.fullscreen()
+
+
+func _on_fullscreen_check_button_toggled(toggled: bool) -> void:
+    SettingsManager.set_fullscreen(toggled)
+    _update_window_factor_disabled()
+
+
+func _on_window_factor_option_button_item_selected(index: int) -> void:
+    if !SettingsManager.fullscreen():
+        SettingsManager.set_window_factor(index)
+
+
+func _on_credits_button_pressed() -> void:
+    show_credits.emit()
+
+
+func _on_back_button_pressed() -> void:
+    show_main_menu.emit()