game: add minimal main menu

scenes/main_menu.gd

@@ -0,0 +1,19 @@
+extends Control
+
+const MAIN = preload("res://scenes/main.tscn")
+
+
+func _ready() -> void:
+	pass
+
+
+func _on_new_game_button_pressed() -> void:
+	get_tree().change_scene_to_packed(MAIN)
+
+
+func _on_options_button_pressed() -> void:
+	pass  # Replace with function body.
+
+
+func _on_exit_game_button_pressed() -> void:
+	get_tree().quit()

scenes/main_menu.gd.uid

@@ -0,0 +1 @@
+uid://sd158y3mdmkt

scenes/main_menu.tscn

@@ -0,0 +1,69 @@
+[gd_scene load_steps=4 format=3 uid="uid://cynet50emve6c"]
+
+[ext_resource type="Script" uid="uid://sd158y3mdmkt" path="res://scenes/main_menu.gd" id="1_l6cm7"]
+
+[sub_resource type="Gradient" id="Gradient_vue75"]
+colors = PackedColorArray(0.252028, 0.252028, 0.252028, 1, 0.25098, 0.25098, 0.25098, 1)
+
+[sub_resource type="GradientTexture1D" id="GradientTexture1D_l6cm7"]
+gradient = SubResource("Gradient_vue75")
+
+[node name="MainMenu" type="Control"]
+layout_mode = 3
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+script = ExtResource("1_l6cm7")
+
+[node name="Background" type="TextureRect" parent="."]
+layout_mode = 1
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+texture = SubResource("GradientTexture1D_l6cm7")
+expand_mode = 2
+
+[node name="PanelContainer" type="PanelContainer" parent="."]
+layout_mode = 1
+anchors_preset = 8
+anchor_left = 0.5
+anchor_top = 0.5
+anchor_right = 0.5
+anchor_bottom = 0.5
+offset_left = -20.0
+offset_top = -20.0
+offset_right = 20.0
+offset_bottom = 20.0
+grow_horizontal = 2
+grow_vertical = 2
+
+[node name="MarginContainer" type="MarginContainer" parent="PanelContainer"]
+layout_mode = 2
+theme_override_constants/margin_left = 20
+theme_override_constants/margin_top = 20
+theme_override_constants/margin_right = 20
+theme_override_constants/margin_bottom = 20
+
+[node name="VBoxContainer" type="VBoxContainer" parent="PanelContainer/MarginContainer"]
+layout_mode = 2
+theme_override_constants/separation = 10
+
+[node name="NewGameButton" type="Button" parent="PanelContainer/MarginContainer/VBoxContainer"]
+layout_mode = 2
+text = "New game"
+
+[node name="OptionsButton" type="Button" parent="PanelContainer/MarginContainer/VBoxContainer"]
+layout_mode = 2
+text = "Options"
+
+[node name="ExitGameButton" type="Button" parent="PanelContainer/MarginContainer/VBoxContainer"]
+layout_mode = 2
+text = "Exit game"
+
+[connection signal="pressed" from="PanelContainer/MarginContainer/VBoxContainer/NewGameButton" to="." method="_on_new_game_button_pressed"]
+[connection signal="pressed" from="PanelContainer/MarginContainer/VBoxContainer/OptionsButton" to="." method="_on_options_button_pressed"]
+[connection signal="pressed" from="PanelContainer/MarginContainer/VBoxContainer/ExitGameButton" to="." method="_on_exit_game_button_pressed"]