Add build directory to .gitignore, create export presets for Web and Windows Desktop, adjust z-index and mouse filter in level_1.tscn, add update_game_state function in level.gd, change main_scene path in project.godot, set rendering method to "gl_compatibility", add LevelSelect and related nodes in main_menu.tscn, create scene_manager.tscn with MainMenu node, implement functionality for menu button selection in main_menu.gd.

scenes/elements/drone_manager.tscn

@@ -18,6 +18,7 @@ anchor_right = 1.0
 anchor_bottom = 1.0
 grow_horizontal = 2
 grow_vertical = 2
+mouse_filter = 2
 metadata/_edit_use_anchors_ = true
 
 [node name="MarginContainer" type="MarginContainer" parent="Control"]

scenes/main_menu.tscn

@@ -1,6 +1,6 @@
-[gd_scene load_steps=20 format=3 uid="uid://cdk8rrve1fe3u"]
+[gd_scene load_steps=21 format=3 uid="uid://cdk8rrve1fe3u"]
 
-[ext_resource type="Script" path="res://levels/scripts/level.gd" id="1_inuhq"]
+[ext_resource type="Script" path="res://scenes/scripts/main_menu.gd" id="1_ges7y"]
 [ext_resource type="Resource" uid="uid://bn4qhonifxne3" path="res://levels/rules/main_menu.tres" id="2_4iepj"]
 [ext_resource type="PackedScene" uid="uid://dn6aa6f2f4g4i" path="res://components/RulesComponent.tscn" id="2_hanec"]
 [ext_resource type="PackedScene" uid="uid://d1uawawum16b0" path="res://scenes/elements/background.tscn" id="4_nllu8"]
@@ -19,9 +19,10 @@
 [ext_resource type="AudioStream" uid="uid://bgcbd6xf0lyrr" path="res://resources/music/bee_background.ogg" id="15_ixwoe"]
 [ext_resource type="AudioStream" uid="uid://dvsjpsh5dyixq" path="res://resources/SFX/mixkit-european-spring-forest-ambience-1219.wav" id="16_cqdjb"]
 [ext_resource type="Texture2D" uid="uid://15wckxixnr8y" path="res://resources/images/logo.png" id="19_jw5rd"]
+[ext_resource type="Texture2D" uid="uid://c3tl5pihlrd8u" path="res://resources/cursors/navigation_s.png" id="20_fw4ew"]
 
 [node name="MainMenu" type="Node2D"]
-script = ExtResource("1_inuhq")
+script = ExtResource("1_ges7y")
 
 [node name="RulesComponent" parent="." instance=ExtResource("2_hanec")]
 unique_name_in_owner = true
@@ -182,4 +183,61 @@ autoplay = true
 position = Vector2(640, 167)
 texture = ExtResource("19_jw5rd")
 
+[node name="LevelSelect" type="Control" parent="."]
+layout_mode = 3
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+offset_right = 1280.0
+offset_bottom = 720.0
+grow_horizontal = 2
+grow_vertical = 2
+
+[node name="CenterContainer" type="CenterContainer" parent="LevelSelect"]
+layout_mode = 1
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+
+[node name="MarginContainer" type="MarginContainer" parent="LevelSelect/CenterContainer"]
+layout_mode = 2
+theme_override_constants/margin_top = 100
+
+[node name="VBoxContainer" type="VBoxContainer" parent="LevelSelect/CenterContainer/MarginContainer"]
+layout_mode = 2
+
+[node name="MenuButton" type="MenuButton" parent="LevelSelect/CenterContainer/MarginContainer/VBoxContainer"]
+unique_name_in_owner = true
+layout_mode = 2
+theme_override_font_sizes/font_size = 20
+text = "Level Select"
+icon = ExtResource("20_fw4ew")
+flat = false
+icon_alignment = 2
+item_count = 6
+popup/item_0/text = "Level One"
+popup/item_0/id = 1
+popup/item_1/text = "Level Two"
+popup/item_1/id = 2
+popup/item_2/text = "Level Three"
+popup/item_2/id = 3
+popup/item_3/text = "Level Four"
+popup/item_3/id = 4
+popup/item_4/text = "Level Five"
+popup/item_4/id = 5
+popup/item_5/text = "Level Six"
+popup/item_5/id = 6
+
+[node name="HighScores" type="Button" parent="LevelSelect/CenterContainer/MarginContainer/VBoxContainer"]
+unique_name_in_owner = true
+layout_mode = 2
+text = "High Scores"
+
+[node name="ExitGame" type="Button" parent="LevelSelect/CenterContainer/MarginContainer/VBoxContainer"]
+unique_name_in_owner = true
+layout_mode = 2
+text = "Quit Game"
+
 [editable path="DroneManager"]

scenes/scene_manager.tscn

@@ -0,0 +1,14 @@
+[gd_scene load_steps=4 format=3 uid="uid://cbsqd08rb8f83"]
+
+[ext_resource type="PackedScene" uid="uid://cdk8rrve1fe3u" path="res://scenes/main_menu.tscn" id="1_phmcp"]
+[ext_resource type="Script" path="res://scenes/scripts/scene_manager.gd" id="1_py1pt"]
+[ext_resource type="PackedScene" uid="uid://bhy041v5u551a" path="res://scenes/transition_scene.tscn" id="2_jhpbi"]
+
+[node name="SceneManager" type="Node2D"]
+script = ExtResource("1_py1pt")
+
+[node name="CurrentScene" type="Node" parent="."]
+
+[node name="MainMenu" parent="CurrentScene" instance=ExtResource("1_phmcp")]
+
+[node name="TransitionScene" parent="." instance=ExtResource("2_jhpbi")]

scenes/scripts/main_menu.gd

@@ -0,0 +1,38 @@
+extends Level
+class_name MainMenu
+
+@onready var level_select = get_node("%MenuButton")
+@onready var high_scores = get_node("%HighScores")
+@onready var exit_button = get_node("%ExitGame")
+
+func _ready():
+	level_select.get_popup().id_pressed.connect(_on_item_menu_pressed)
+	high_scores.connect("pressed", Callable(self, "on_high_scores_pressed"))
+	exit_button.connect("pressed", Callable(self, "on_exit_pressed"))
+	update_game_state()
+
+
+func _on_item_menu_pressed(id):
+	## Load the appropriate level based on the selection that has been made 
+	Log.pr(id)
+
+	match id:
+		1:
+			# Load level 1
+			SceneMgr.load_scene("LEVEL1")
+			#get_tree().change_scene_to_file("res://levels/level_1.tscn")
+		2:
+			# Load level 2
+			SceneMgr.load_scene("LEVEL2")
+		3:
+			# Load level 3
+			SceneMgr.load_scene("LEVEL3")
+
+func on_high_scores_pressed():
+	## Load the high scores screen
+	Log.pr("High scores button pressed")
+	pass
+
+func on_exit_pressed():
+	# Quit the game 
+	get_tree().quit()

scenes/scripts/scene_manager.gd

@@ -0,0 +1,33 @@
+extends Node2D
+class_name SceneManager
+
+const SCENES : Dictionary = {
+	"MAINMENU" : "res://scenes/main_menu.tscn",
+	"HIGHSCORES" : "res://scenes/highscores.tscn",
+	"LEVEL1" : "res://levels/level_1.tscn",
+	"LEVEL2" : "res://levels/level_2.tscn",
+	"LEVEL3" : "res://levels/level_3.tscn",
+	"LEVEL4" : "res://levels/level_4.tscn",
+	"LEVEL5" : "res://levels/level_5.tscn",
+	"LEVEL6" : "res://levels/level_6.tscn",
+}
+
+var loading_scene_res : Resource = null
+
+func _ready():
+	Log.pr("SceneManager is ready.")
+	SceneMgr.connect("change_scene", Callable(self, "_on_change_scene"))
+	$TransitionScene.connect("transitioned", Callable(self, "_on_transition_scene_transitioned"))
+
+func _on_change_scene(scene_name):
+	Log.pr("Going to load a scene.", scene_name)
+	if SCENES.has(scene_name):
+		loading_scene_res = load(SCENES[scene_name])
+		Log.pr("Loading scene: ", loading_scene_res)
+		$TransitionScene.transition()
+	else:
+		loading_scene_res = null
+
+func _on_transition_scene_transitioned():
+	$CurrentScene.get_child(0).queue_free()
+	$CurrentScene.add_child(loading_scene_res.instantiate())

scenes/scripts/transition_scene.gd

@@ -0,0 +1,19 @@
+extends CanvasLayer
+
+signal transitioned
+
+func _ready():
+	$AnimationPlayer.play("fade_to_normal")
+
+func transition():
+	$AnimationPlayer.play("fade_to_black")
+	Log.pr("Fading to black")
+
+func _on_animation_player_animation_finished(anim_name:StringName):
+	if anim_name == "fade_to_black":
+		Log.pr("Sending transitioned signal...")
+		emit_signal("transitioned")
+		$AnimationPlayer.play("fade_to_normal")
+	if anim_name == "fade_to_normal":
+		Log.pr("Faded to normal")
+	

scenes/transition_scene.tscn

@@ -0,0 +1,76 @@
+[gd_scene load_steps=6 format=3 uid="uid://bhy041v5u551a"]
+
+[ext_resource type="Script" path="res://scenes/scripts/transition_scene.gd" id="1_pt42a"]
+
+[sub_resource type="Animation" id="Animation_ehfi2"]
+resource_name = "fade_to_black"
+length = 0.5
+tracks/0/type = "value"
+tracks/0/imported = false
+tracks/0/enabled = true
+tracks/0/path = NodePath("ColorRect:color")
+tracks/0/interp = 1
+tracks/0/loop_wrap = true
+tracks/0/keys = {
+"times": PackedFloat32Array(0, 0.5),
+"transitions": PackedFloat32Array(1, 1),
+"update": 0,
+"values": [Color(0, 0, 0, 0), Color(0, 0, 0, 1)]
+}
+
+[sub_resource type="Animation" id="Animation_n8kpy"]
+resource_name = "fade_to_normal"
+length = 0.5
+tracks/0/type = "value"
+tracks/0/imported = false
+tracks/0/enabled = true
+tracks/0/path = NodePath("ColorRect:color")
+tracks/0/interp = 1
+tracks/0/loop_wrap = true
+tracks/0/keys = {
+"times": PackedFloat32Array(0, 0.5),
+"transitions": PackedFloat32Array(1, 1),
+"update": 0,
+"values": [Color(0, 0, 0, 1), Color(0, 0, 0, 0)]
+}
+
+[sub_resource type="Animation" id="Animation_skyqd"]
+length = 0.001
+tracks/0/type = "value"
+tracks/0/imported = false
+tracks/0/enabled = true
+tracks/0/path = NodePath("ColorRect:color")
+tracks/0/interp = 1
+tracks/0/loop_wrap = true
+tracks/0/keys = {
+"times": PackedFloat32Array(0),
+"transitions": PackedFloat32Array(1),
+"update": 0,
+"values": [Color(0, 0, 0, 1)]
+}
+
+[sub_resource type="AnimationLibrary" id="AnimationLibrary_lyb8n"]
+_data = {
+"RESET": SubResource("Animation_skyqd"),
+"fade_to_black": SubResource("Animation_ehfi2"),
+"fade_to_normal": SubResource("Animation_n8kpy")
+}
+
+[node name="TransitionScene" type="CanvasLayer"]
+script = ExtResource("1_pt42a")
+
+[node name="ColorRect" type="ColorRect" parent="."]
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+mouse_filter = 2
+color = Color(0, 0, 0, 1)
+
+[node name="AnimationPlayer" type="AnimationPlayer" parent="."]
+libraries = {
+"": SubResource("AnimationLibrary_lyb8n")
+}
+
+[connection signal="animation_finished" from="AnimationPlayer" to="." method="_on_animation_player_animation_finished"]