Debug menu

assets/text/text.csv

@@ -9,6 +9,7 @@ UI_OFF,Off
 UI_BACK,"⏎ Back"
 UI_LOCKED,Locked
 UI_QUIT,Quit
+UI_LOADING,Loading
 ,
 PAUSE_HEADING,Paused
 PAUSE_RESUME,Resume
@@ -17,6 +18,7 @@ PAUSE_END,"Quit to Title"
 PAUSE_END_MSG,"End the game and return to the title screen?\nUnsaved progress will be lost."
 PAUSE_QUIT,"Quit to Desktop"
 PAUSE_QUIT_MSG,"Quit to desktop?\nUnsaved progress will be lost."
+PAUSE_DEBUG,"Debug Menu"
 ,
 SETTINGS_GAME,Game
 SETTINGS_GAME_HEADING,"Game Configuration"

assets/ui/corpo_logo/corpo_logo_128.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://dixpjnlaj86x2"
+path="res://.godot/imported/corpo_logo_128.png-3de86c663523882d9e0ebffd7de5c43c.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://assets/ui/corpo_logo/corpo_logo_128.png"
+dest_files=["res://.godot/imported/corpo_logo_128.png-3de86c663523882d9e0ebffd7de5c43c.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=0

assets/ui/corpo_logo/corpo_logo_128_bg.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://b7ds08rj0yk7j"
+path="res://.godot/imported/corpo_logo_128_bg.png-89eb09aa3ea1cb5cb304d1d6904ce810.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://assets/ui/corpo_logo/corpo_logo_128_bg.png"
+dest_files=["res://.godot/imported/corpo_logo_128_bg.png-89eb09aa3ea1cb5cb304d1d6904ce810.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=0

assets/ui/corpo_logo/corpo_logo_256.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://dbr66ubeql7gi"
+path="res://.godot/imported/corpo_logo_256.png-58bfe662ab369a650f7147768bd46884.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://assets/ui/corpo_logo/corpo_logo_256.png"
+dest_files=["res://.godot/imported/corpo_logo_256.png-58bfe662ab369a650f7147768bd46884.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=0

assets/ui/corpo_logo/corpo_logo_512.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://cbosbnfdmhu27"
+path="res://.godot/imported/corpo_logo_512.png-b05524db051b0e137f14c9416740afff.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://assets/ui/corpo_logo/corpo_logo_512.png"
+dest_files=["res://.godot/imported/corpo_logo_512.png-b05524db051b0e137f14c9416740afff.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=0

assets/ui/title.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://buc0oy5col0et"
+path="res://.godot/imported/title.png-534804d7bf6a63fbbb0c46e68d8e4660.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://assets/ui/title.png"
+dest_files=["res://.godot/imported/title.png-534804d7bf6a63fbbb0c46e68d8e4660.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=0

levels/ghost_ship/ambient_drone.gd

@@ -16,7 +16,7 @@ var boosted := false
 
 
 func _ready() -> void:
-	Game.manager.alert_raised.connect(_on_alert_raised)
+	World.instance.manager.alert_raised.connect(_on_alert_raised)
 
 
 func get_target_volume() -> float:
@@ -81,7 +81,7 @@ func _on_player_exits_ship(_body: Node3D) -> void:
 
 
 func _on_alert_raised(new_level: int) -> void:
-	if new_level == Game.manager.MAX_ALERT:
+	if new_level == World.instance.manager.MAX_ALERT:
 		suppress(30)
 	else:
 		boost(10.0)

levels/ghost_ship/ghost_ship.tscn

@@ -1,7 +1,8 @@
-[gd_scene load_steps=21 format=3 uid="uid://bov4ok76woyc"]
+[gd_scene load_steps=22 format=3 uid="uid://bov4ok76woyc"]
 
 [ext_resource type="PackedScene" uid="uid://crydi5cjgfwe5" path="res://levels/ghost_ship/ghost_ship_level.tscn" id="1_aj2m7"]
 [ext_resource type="Environment" uid="uid://bkvij3ljl5ox3" path="res://levels/ghost_ship/environment_3.tres" id="1_h081y"]
+[ext_resource type="Script" uid="uid://68r4ht5ut1ct" path="res://src/game/level.gd" id="1_law5k"]
 [ext_resource type="PackedScene" uid="uid://bwe2jdmvinhqd" path="res://src/player/player.tscn" id="2_0ef5p"]
 [ext_resource type="PackedScene" uid="uid://d1kacn4b60ucy" path="res://src/ui/post_processing.tscn" id="3_o7mxe"]
 [ext_resource type="AudioStream" uid="uid://dx4d8a3mgpws" path="res://assets/sfx/ambient/drone_loop.wav" id="5_ejh2c"]
@@ -42,6 +43,9 @@ stream_10/stream = ExtResource("10_h081y")
 stream_10/weight = 0.2
 
 [node name="GhostShip" type="Node3D"]
+script = ExtResource("1_law5k")
+id = "ghost_ship"
+pretty_name = "The HFCS Gnurk"
 
 [node name="WorldEnvironment" type="WorldEnvironment" parent="."]
 environment = ExtResource("1_h081y")

levels/ghost_ship/player_ship/grunk_terminal/grunk_terminal.gd

@@ -22,28 +22,28 @@ const STALLING_MSG := "\n\n\n\n\n. . . C a l c u l a t i n G . . ."
 
 
 func _ready() -> void:
-	Game.manager.grunk_emptied.connect(_on_tank_emptied)
+	World.instance.manager.grunk_emptied.connect(_on_tank_emptied)
 	recompute()
 
 
 func _next_milestone_name() -> String:
-	var next_milestone := Game.manager.next_milestone()
+	var next_milestone := World.instance.manager.next_milestone()
 	return next_milestone.name if next_milestone else "NOTHING"
 
 
 func _next_milestone_amount() -> String:
-	var next_milestone_amt := Game.manager.next_milestone_amount()
+	var next_milestone_amt := World.instance.manager.next_milestone_amount()
 	return str(next_milestone_amt) if next_milestone_amt >= 0 else "NEVER"
 
 
 func build_message() -> String:
-	var msg_lines := Game.manager.latest_milestone().message.split("\n")
+	var msg_lines := World.instance.manager.latest_milestone().message.split("\n")
 	var line_1 := msg_lines[0]
 	var line_2 := msg_lines[1] if len(msg_lines) >= 2 else ""
 	return MESSAGE_FMT.format(
 		[
-			int(Game.manager.grunk_quota),
-			int(Game.manager.grunk_vault),
+			int(World.instance.manager.grunk_quota),
+			int(World.instance.manager.grunk_vault),
 			line_1,
 			line_2,
 			_next_milestone_name(),

levels/ghost_ship/player_ship/player_ship.gd

@@ -3,6 +3,7 @@ extends Node3D
 
 # TODO figure out whatever this is lol
 const MAX_GRUNK := 6400000.0
+const MIN_LIQUID_PCT := 0.001
 const LIQUID_FACTOR := 2.8
 
 const TANK_FILL_TIME := 1.0
@@ -13,7 +14,12 @@ const TANK_FILL_TIME := 1.0
 
 
 func _ready() -> void:
-	Game.manager.grunk_collected.connect(_enable_tank)
+	World.instance.manager.grunk_collected.connect(_enable_tank)
+	_deferred_init.call_deferred()
+
+
+func _deferred_init() -> void:
+	set_liquid_level(vault_fill_pct())
 
 
 func _enable_tank(_delta: float) -> void:
@@ -24,16 +30,21 @@ func _enable_tank(_delta: float) -> void:
 func deposit_grunk() -> void:
 	# Tank is disabled until the player collects more grunk.
 	tank_interactor.enabled = false
-	Game.manager.deposit_tank()
+	World.instance.manager.deposit_tank()
 
-	set_liquid_level(clampf(Game.manager.grunk_vault / MAX_GRUNK, 0.0, 1.0))
+	set_liquid_level(vault_fill_pct())
 
 	grunk_pump_sfx.play()
 
 
+func vault_fill_pct() -> float:
+	return clampf(World.instance.manager.grunk_vault / MAX_GRUNK, 0.0, 1.0)
+
+
 func set_liquid_level(proportion: float) -> void:
-	(
-		create_tween()
-		. tween_property(grunk_liquid, "position:y", proportion * LIQUID_FACTOR, TANK_FILL_TIME)
-		. set_trans(Tween.TRANS_EXPO)
-	)
+	if proportion > MIN_LIQUID_PCT:
+		(
+			create_tween()
+			. tween_property(grunk_liquid, "position:y", proportion * LIQUID_FACTOR, TANK_FILL_TIME)
+			. set_trans(Tween.TRANS_EXPO)
+		)

levels/mechanic_test/mechanic_test.gd

@@ -1,4 +1,4 @@
-extends Node3D
+extends Level
 ## Game mechanic testing level
 
 @onready var gunk_hall: GunkBody = %GunkHallBody

levels/mechanic_test/mechanic_test.tscn

@@ -1,16 +1,16 @@
 [gd_scene load_steps=31 format=4 uid="uid://b8rv6dg4tgaeb"]
 
-[ext_resource type="Script" uid="uid://bvua1l2hb3an6" path="res://levels/mechanic_test/mechanic_test.gd" id="1_umjw2"]
-[ext_resource type="PackedScene" uid="uid://bwe2jdmvinhqd" path="res://src/player/player.tscn" id="2_gut8u"]
-[ext_resource type="PackedScene" uid="uid://b6eg8t04rkh0c" path="res://src/props/wall_switch/wall_switch.tscn" id="3_4okgx"]
-[ext_resource type="PackedScene" uid="uid://c2omlx4ptrc01" path="res://src/world/gunk_body/gunk_body.tscn" id="4_7v7un"]
-[ext_resource type="Texture2D" uid="uid://8cm835h4gxwe" path="res://assets/debug_mask.png" id="5_llot1"]
-[ext_resource type="Shader" uid="uid://ckxc0ngd37rtk" path="res://src/shaders/gunk.gdshader" id="6_6agnv"]
-[ext_resource type="FastNoiseLite" uid="uid://cnlvdtx68giv6" path="res://assets/materials/gunk_noise.tres" id="7_aqwgb"]
-[ext_resource type="PackedScene" uid="uid://cubwniraol1qn" path="res://src/props/bulkhead/bulkhead.tscn" id="8_ny31q"]
-[ext_resource type="PackedScene" uid="uid://b5jubpjj3d277" path="res://levels/mechanic_test/signal_test.tscn" id="9_dub8r"]
-[ext_resource type="PackedScene" uid="uid://cfqirm2o3uo4k" path="res://levels/mechanic_test/prop_test.tscn" id="10_ovu60"]
-[ext_resource type="PackedScene" uid="uid://dbabcsp38wmid" path="res://levels/mechanic_test/item_test.tscn" id="11_crh2u"]
+[ext_resource type="Script" uid="uid://bvua1l2hb3an6" path="res://levels/mechanic_test/mechanic_test.gd" id="1_iyuyb"]
+[ext_resource type="PackedScene" uid="uid://bwe2jdmvinhqd" path="res://src/player/player.tscn" id="2_qjnj2"]
+[ext_resource type="PackedScene" uid="uid://b6eg8t04rkh0c" path="res://src/props/wall_switch/wall_switch.tscn" id="3_awnx0"]
+[ext_resource type="PackedScene" uid="uid://c2omlx4ptrc01" path="res://src/world/gunk_body/gunk_body.tscn" id="4_cgmn0"]
+[ext_resource type="Texture2D" uid="uid://8cm835h4gxwe" path="res://assets/debug_mask.png" id="5_aix42"]
+[ext_resource type="Shader" uid="uid://ckxc0ngd37rtk" path="res://src/shaders/gunk.gdshader" id="6_6frcc"]
+[ext_resource type="FastNoiseLite" uid="uid://cnlvdtx68giv6" path="res://assets/materials/gunk_noise.tres" id="7_7cbja"]
+[ext_resource type="PackedScene" uid="uid://cubwniraol1qn" path="res://src/props/bulkhead/bulkhead.tscn" id="8_ujrcv"]
+[ext_resource type="PackedScene" uid="uid://b5jubpjj3d277" path="res://levels/mechanic_test/signal_test.tscn" id="9_ix0jw"]
+[ext_resource type="PackedScene" uid="uid://cfqirm2o3uo4k" path="res://levels/mechanic_test/prop_test.tscn" id="10_xrfi2"]
+[ext_resource type="PackedScene" uid="uid://dbabcsp38wmid" path="res://levels/mechanic_test/item_test.tscn" id="11_8natv"]
 
 [sub_resource type="ProceduralSkyMaterial" id="ProceduralSkyMaterial_goufh"]
 
@@ -93,7 +93,7 @@ height = 256
 depth = 32
 seamless = true
 seamless_blend_skirt = 0.5
-noise = ExtResource("7_aqwgb")
+noise = ExtResource("7_7cbja")
 
 [sub_resource type="NoiseTexture3D" id="NoiseTexture3D_2pd8h"]
 width = 256
@@ -101,12 +101,12 @@ height = 256
 depth = 32
 seamless = true
 seamless_blend_skirt = 0.5
-noise = ExtResource("7_aqwgb")
+noise = ExtResource("7_7cbja")
 
-[sub_resource type="ShaderMaterial" id="ShaderMaterial_umjw2"]
+[sub_resource type="ShaderMaterial" id="ShaderMaterial_iyuyb"]
 resource_local_to_scene = true
 render_priority = 0
-shader = ExtResource("6_6agnv")
+shader = ExtResource("6_6frcc")
 shader_parameter/color_1 = Color(0, 0.03, 0.1, 1)
 shader_parameter/color_2 = Color(0, 0.1, 0.3, 1)
 shader_parameter/emission_color = Color(0.25, 0.88, 1, 1)
@@ -132,9 +132,11 @@ shader_parameter/overlay_emission_scale = 1.0
 data = PackedVector3Array(-1.5, 0, -6, -1.5, 0, 6, -1.5, 3, -6, -1.5, 3, -6, -1.5, 0, 6, -1.5, 3, 6, 1.5, 0, 6, 1.5, 0, -6, 1.5, 3, 6, 1.5, 3, 6, 1.5, 0, -6, 1.5, 3, -6, -1.5, 0, 6, -1.5, 0, -6, 1.5, 0, 6, 1.5, 0, 6, -1.5, 0, -6, 1.5, 0, -6, 1.5, 3, 6, 1.5, 3, -6, -1.5, 3, 6, -1.5, 3, 6, 1.5, 3, -6, -1.5, 3, -6)
 
 [node name="MechanicTest" type="Node3D"]
-script = ExtResource("1_umjw2")
+script = ExtResource("1_iyuyb")
+id = "mechanic_test"
+pretty_name = "Mechanics Test Sandbox"
 
-[node name="Player" parent="." instance=ExtResource("2_gut8u")]
+[node name="Player" parent="." instance=ExtResource("2_qjnj2")]
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1.65, 0)
 
 [node name="DirectionalLight3D" type="DirectionalLight3D" parent="."]
@@ -161,7 +163,7 @@ mesh = SubResource("BoxMesh_goufh")
 [node name="CollisionShape3D" type="CollisionShape3D" parent="ResetPodium"]
 shape = SubResource("ConcavePolygonShape3D_bg05n")
 
-[node name="ResetSwitch" parent="ResetPodium" instance=ExtResource("3_4okgx")]
+[node name="ResetSwitch" parent="ResetPodium" instance=ExtResource("3_awnx0")]
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0.4, 0.35)
 clean = true
 
@@ -178,7 +180,7 @@ mesh = SubResource("BoxMesh_goufh")
 [node name="CollisionShape3D" type="CollisionShape3D" parent="NoduleSpawner"]
 shape = SubResource("ConcavePolygonShape3D_bg05n")
 
-[node name="WallSwitch" parent="NoduleSpawner" instance=ExtResource("3_4okgx")]
+[node name="WallSwitch" parent="NoduleSpawner" instance=ExtResource("3_awnx0")]
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0.4, 0.35)
 clean = true
 
@@ -200,7 +202,7 @@ mesh = SubResource("BoxMesh_goufh")
 [node name="CollisionShape3D" type="CollisionShape3D" parent="AlarmSpawner"]
 shape = SubResource("ConcavePolygonShape3D_bg05n")
 
-[node name="WallSwitch" parent="AlarmSpawner" instance=ExtResource("3_4okgx")]
+[node name="WallSwitch" parent="AlarmSpawner" instance=ExtResource("3_awnx0")]
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0.4, 0.35)
 clean = true
 
@@ -222,7 +224,7 @@ mesh = SubResource("BoxMesh_goufh")
 [node name="CollisionShape3D" type="CollisionShape3D" parent="AlarmTrigger"]
 shape = SubResource("ConcavePolygonShape3D_bg05n")
 
-[node name="AlarmTriggerSwitch" parent="AlarmTrigger" instance=ExtResource("3_4okgx")]
+[node name="AlarmTriggerSwitch" parent="AlarmTrigger" instance=ExtResource("3_awnx0")]
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0.4, 0.35)
 clean = true
 
@@ -235,15 +237,15 @@ transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 1.5, 0, -31)
 mesh = SubResource("ArrayMesh_x2vho")
 skeleton = NodePath("GunkHallBody")
 
-[node name="GunkHallBody" parent="GunkHall" instance=ExtResource("4_7v7un")]
+[node name="GunkHallBody" parent="GunkHall" instance=ExtResource("4_cgmn0")]
 unique_name_in_owner = true
-initial_mask = ExtResource("5_llot1")
-source_gunk_material = SubResource("ShaderMaterial_umjw2")
+initial_mask = ExtResource("5_aix42")
+source_gunk_material = SubResource("ShaderMaterial_iyuyb")
 
 [node name="CollisionShape3D" type="CollisionShape3D" parent="GunkHall/GunkHallBody"]
 shape = SubResource("ConcavePolygonShape3D_qjnj2")
 
-[node name="Bulkhead" parent="." instance=ExtResource("8_ny31q")]
+[node name="Bulkhead" parent="." instance=ExtResource("8_ujrcv")]
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, -6.5, 0, -2)
 
 [node name="Podium" type="StaticBody3D" parent="Bulkhead"]
@@ -255,7 +257,7 @@ mesh = SubResource("BoxMesh_goufh")
 [node name="CollisionShape3D" type="CollisionShape3D" parent="Bulkhead/Podium"]
 shape = SubResource("ConcavePolygonShape3D_bg05n")
 
-[node name="OpenSwitch" parent="Bulkhead/Podium" instance=ExtResource("3_4okgx")]
+[node name="OpenSwitch" parent="Bulkhead/Podium" instance=ExtResource("3_awnx0")]
 unique_name_in_owner = true
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0.4, 0.35)
 clean = true
@@ -273,7 +275,7 @@ mesh = SubResource("BoxMesh_goufh")
 [node name="CollisionShape3D" type="CollisionShape3D" parent="Bulkhead/Podium2"]
 shape = SubResource("ConcavePolygonShape3D_bg05n")
 
-[node name="CloseSwitch" parent="Bulkhead/Podium2" instance=ExtResource("3_4okgx")]
+[node name="CloseSwitch" parent="Bulkhead/Podium2" instance=ExtResource("3_awnx0")]
 unique_name_in_owner = true
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0.4, 0.35)
 clean = true
@@ -287,19 +289,19 @@ text = "Close"
 unique_name_in_owner = true
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 2.5, 0, -6)
 
-[node name="SignalTest" parent="SignalTestSpawnPoint" instance=ExtResource("9_dub8r")]
+[node name="SignalTest" parent="SignalTestSpawnPoint" instance=ExtResource("9_ix0jw")]
 
 [node name="PropTestSpawnPoint" type="Marker3D" parent="."]
 unique_name_in_owner = true
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, -4.5, 0, 4.5)
 
-[node name="PropTest" parent="PropTestSpawnPoint" instance=ExtResource("10_ovu60")]
+[node name="PropTest" parent="PropTestSpawnPoint" instance=ExtResource("10_xrfi2")]
 
 [node name="ItemTestSpawnPoint" type="Marker3D" parent="."]
 unique_name_in_owner = true
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, -13, 0, -2)
 
-[node name="ItemTest" parent="ItemTestSpawnPoint" instance=ExtResource("11_crh2u")]
+[node name="ItemTest" parent="ItemTestSpawnPoint" instance=ExtResource("11_8natv")]
 
 [connection signal="activated" from="ResetPodium/ResetSwitch" to="." method="reset"]
 [connection signal="activated" from="NoduleSpawner/WallSwitch" to="." method="spawn_nodule"]

levels/mechanic_test/prop_test.tscn

@@ -1,6 +1,7 @@
-[gd_scene load_steps=12 format=4 uid="uid://cfqirm2o3uo4k"]
+[gd_scene load_steps=13 format=4 uid="uid://cfqirm2o3uo4k"]
 
 [ext_resource type="PackedScene" uid="uid://c2omlx4ptrc01" path="res://src/world/gunk_body/gunk_body.tscn" id="1_cr8wn"]
+[ext_resource type="Texture2D" uid="uid://8cm835h4gxwe" path="res://assets/debug_mask.png" id="2_7477u"]
 [ext_resource type="Shader" uid="uid://ckxc0ngd37rtk" path="res://src/shaders/gunk.gdshader" id="2_lrgpr"]
 [ext_resource type="FastNoiseLite" uid="uid://cnlvdtx68giv6" path="res://assets/materials/gunk_noise.tres" id="3_7477u"]
 
@@ -57,7 +58,7 @@ seamless = true
 seamless_blend_skirt = 0.5
 noise = ExtResource("3_7477u")
 
-[sub_resource type="ShaderMaterial" id="ShaderMaterial_qjnj2"]
+[sub_resource type="ShaderMaterial" id="ShaderMaterial_lrgpr"]
 resource_local_to_scene = true
 render_priority = 0
 shader = ExtResource("2_lrgpr")
@@ -69,6 +70,7 @@ shader_parameter/time_pixellation = 30.0
 shader_parameter/roughness = 0.15
 shader_parameter/specular_contribution = 0.8
 shader_parameter/emission_strength = 0.02
+shader_parameter/normal_scale = 1.0
 shader_parameter/uv_scale = Vector2(4, 4)
 shader_parameter/time_scale = 0.2
 shader_parameter/edge_bleed = 0.25
@@ -79,6 +81,7 @@ shader_parameter/jitter_magnitude = 0.0
 shader_parameter/jitter_time_scale = 0.1
 shader_parameter/vertex_inflation = 0.0
 shader_parameter/inflation_pixellation = 10.0
+shader_parameter/overlay_emission_scale = 1.0
 
 [sub_resource type="ConcavePolygonShape3D" id="ConcavePolygonShape3D_x2vho"]
 data = PackedVector3Array(-1, 1, 0.1, -1, -0.8, 0.1, -1, 1, -0.1, -1, 1, -0.1, -1, -0.8, 0.1, -1, -0.8, -0.1, -1, -1, 0.1, -1, -0.8, -0.1, -1, -0.8, 0.1, -1, -1, -2.3, -1, -0.8, -0.1, -1, -1, 0.1, -1, -0.8, -2.3, -1, -0.8, -0.1, -1, -1, -2.3, -1, -0.8, -2.1, -1, -0.8, -0.1, -1, -0.8, -2.3, -1, -0.8, -2.1, -1, -0.8, -2.3, -1, 1, -2.1, -1, 1, -2.1, -1, -0.8, -2.3, -1, 1, -2.3, -1, 1, -0.1, -1, -0.8, -0.1, 1, 1, -0.1, 1, 1, -0.1, -1, -0.8, -0.1, 1, -0.8, -0.1, 1, 1, -0.1, 1, -0.8, -0.1, 1, 1, 0.1, 1, 1, 0.1, 1, -0.8, -0.1, 1, -0.8, 0.1, 1, -0.8, -0.1, 1, -1, 0.1, 1, -0.8, 0.1, 1, -0.8, -2.1, 1, -1, 0.1, 1, -0.8, -0.1, 1, -0.8, -2.3, 1, -1, 0.1, 1, -0.8, -2.1, 1, -1, -2.3, 1, -1, 0.1, 1, -0.8, -2.3, 1, -0.8, -2.3, 1, -0.8, -2.1, 1, 1, -2.3, 1, 1, -2.3, 1, -0.8, -2.1, 1, 1, -2.1, 1, 1, 0.1, 1, -0.8, 0.1, -1, 1, 0.1, -1, 1, 0.1, 1, -0.8, 0.1, -1, -0.8, 0.1, 1, -0.8, 0.1, 1, -1, 0.1, -1, -0.8, 0.1, -1, -0.8, 0.1, 1, -1, 0.1, -1, -1, 0.1, -1, -1, -2.3, -1, -1, 0.1, 1, -1, -2.3, 1, -1, -2.3, -1, -1, 0.1, 1, -1, 0.1, -1, 1, -0.1, 1, 1, -0.1, -1, 1, 0.1, -1, 1, 0.1, 1, 1, -0.1, 1, 1, 0.1, 1, -0.8, -0.1, -1, -0.8, -0.1, 1, -0.8, -2.1, 1, -0.8, -2.1, -1, -0.8, -0.1, -1, -0.8, -2.1, -1, -0.8, -2.3, -1, -1, -2.3, 1, -0.8, -2.3, 1, -0.8, -2.3, -1, -1, -2.3, 1, -1, -2.3, -1, -0.8, -2.3, 1, -0.8, -2.3, -1, 1, -2.3, -1, 1, -2.3, 1, -0.8, -2.3, 1, 1, -2.3, 1, 1, -2.1, -1, 1, -2.1, 1, 1, -2.3, 1, 1, -2.3, -1, 1, -2.1, -1, 1, -2.3, 1, -0.8, -2.1, -1, -0.8, -2.1, 1, 1, -2.1, 1, 1, -2.1, -1, -0.8, -2.1, -1, 1, -2.1)
@@ -92,7 +95,8 @@ skeleton = NodePath("GunkBody")
 
 [node name="GunkBody" parent="Parallel" instance=ExtResource("1_cr8wn")]
 mask_dim = 128
-source_gunk_material = SubResource("ShaderMaterial_qjnj2")
+initial_mask = ExtResource("2_7477u")
+source_gunk_material = SubResource("ShaderMaterial_lrgpr")
 
 [node name="CollisionShape3D" type="CollisionShape3D" parent="Parallel/GunkBody"]
 shape = SubResource("ConcavePolygonShape3D_x2vho")

project.godot

@@ -16,7 +16,7 @@ warnings/threads/thread_model=2
 [application]
 
 config/name="Grunk"
-run/main_scene="uid://884jqafhtrv0"
+run/main_scene="uid://qpq2cm1hgeha"
 config/project_settings_override="user://settings.godot"
 config/features=PackedStringArray("4.4", "Forward Plus")
 run/max_fps=60
@@ -28,7 +28,6 @@ BeehaveGlobalDebugger="*res://addons/beehave/debug/global_debugger.gd"
 GameRuntime="*res://src/game/game_runtime.gd"
 ItemCatalog="*res://src/items/item_catalog.tscn"
 GameSettings="*res://src/game/game_settings.gd"
-GameManager="*res://src/game/game_manager.tscn"
 
 [debug]
 
@@ -42,7 +41,6 @@ gdscript/warnings/unsafe_call_argument=2
 
 window/size/viewport_width=1920
 window/size/viewport_height=1080
-window/stretch/mode="canvas_items"
 
 [dotnet]
 
@@ -80,6 +78,8 @@ config/accessibility/enable_head_bob=true
 config/input/hold_to_sneak=true
 debug/enable_navigation_agent_debug=false
 debug/enable_navigation_agent_debug.editor_runtime=true
+debug/enable_debug_menu=false
+debug/enable_debug_menu.debug=true
 
 [global_group]
 
@@ -89,6 +89,7 @@ MeetSpookSource="meet-spook event sources"
 LurkPoint="Point which a lurking beast may wander to."
 BeastSpawnPoint="Spawn point for a grunkbeast"
 GrunkBeast="GrunkBeast instances."
+Persistent="Nodes which implement save and load methods"
 
 [importer_defaults]
 

src/effects/grunk_2d/grunk_2d.gd

@@ -0,0 +1,12 @@
+@tool
+extends ColorRect
+
+
+# Called when the node enters the scene tree for the first time.
+func _ready() -> void:
+	_update_aspect_ratio()
+
+
+func _update_aspect_ratio() -> void:
+	var aspect_ratio := size.y / size.x
+	(material as ShaderMaterial).set_shader_parameter("aspect_ratio", aspect_ratio)

src/effects/grunk_2d/grunk_2d.gd.uid

@@ -0,0 +1 @@
+uid://06n7qs3l4tf6

src/effects/grunk_2d/grunk_2d.tscn

@@ -0,0 +1,58 @@
+[gd_scene load_steps=9 format=3 uid="uid://b6dx0ovy15g5o"]
+
+[ext_resource type="Shader" uid="uid://dnytoirugot2e" path="res://src/shaders/canvas_grunk.gdshader" id="1_pgbvb"]
+[ext_resource type="FastNoiseLite" uid="uid://cnlvdtx68giv6" path="res://assets/materials/gunk_noise.tres" id="2_g1nf5"]
+[ext_resource type="Script" uid="uid://06n7qs3l4tf6" path="res://src/effects/grunk_2d/grunk_2d.gd" id="3_g1nf5"]
+
+[sub_resource type="NoiseTexture3D" id="NoiseTexture3D_7v5ka"]
+width = 256
+height = 256
+seamless = true
+seamless_blend_skirt = 0.5
+noise = ExtResource("2_g1nf5")
+
+[sub_resource type="NoiseTexture3D" id="NoiseTexture3D_d72jk"]
+width = 256
+height = 256
+seamless = true
+seamless_blend_skirt = 0.5
+noise = ExtResource("2_g1nf5")
+
+[sub_resource type="FastNoiseLite" id="FastNoiseLite_qsvii"]
+frequency = 0.0006
+fractal_type = 2
+fractal_octaves = 4
+fractal_gain = 0.667
+domain_warp_type = 2
+
+[sub_resource type="NoiseTexture2D" id="NoiseTexture2D_pgbvb"]
+width = 1024
+height = 1024
+noise = SubResource("FastNoiseLite_qsvii")
+
+[sub_resource type="ShaderMaterial" id="ShaderMaterial_rq45f"]
+resource_local_to_scene = true
+shader = ExtResource("1_pgbvb")
+shader_parameter/color_1 = Color(0, 0.03, 0.1, 1)
+shader_parameter/color_2 = Color(0, 0.1, 0.3, 1)
+shader_parameter/emission_color = Color(0.25, 0.88, 1, 1)
+shader_parameter/pixellation = 30.0
+shader_parameter/time_pixellation = 30.0
+shader_parameter/emission_strength = 0.05
+shader_parameter/aspect_ratio = 0.5625
+shader_parameter/time_scale = 0.01
+shader_parameter/gunk_noise = SubResource("NoiseTexture3D_7v5ka")
+shader_parameter/gunk_normal_map = SubResource("NoiseTexture3D_d72jk")
+shader_parameter/mask_progress = 1.0
+shader_parameter/mask_noise = SubResource("NoiseTexture2D_pgbvb")
+
+[node name="Grunk2D" type="ColorRect"]
+material = SubResource("ShaderMaterial_rq45f")
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+script = ExtResource("3_g1nf5")
+
+[connection signal="item_rect_changed" from="." to="." method="_update_aspect_ratio"]

src/equipment/spray.gd

@@ -18,7 +18,7 @@ func _spray() -> void:
 func _fire() -> void:
 	rumbler.intensity = RUMBLE_INTENSITY
 
-	if Game.manager.is_tank_full():
+	if World.instance.manager.is_tank_full():
 		Player.instance.hud.play_tank_full_alert()
 		idle()
 		return

src/equipment/toothbrush/toothbrush.gd

@@ -16,11 +16,11 @@ const BRUSH_SCALE := 0.2
 
 
 func unlocked() -> bool:
-	return Game.manager.toothbrush_unlocked
+	return World.instance.manager.toothbrush_unlocked
 
 
 func _fire() -> void:
-	if raycast.is_colliding() and not Game.manager.is_tank_full():
+	if raycast.is_colliding() and not World.instance.manager.is_tank_full():
 		brush_animation.play("brush")
 		var collider := raycast.get_collider()
 		if collider is GunkBody:

src/game/game.gd

@@ -1,13 +1,14 @@
 class_name Game extends Node
 ## Interface to the game as an application.
 
-@export_category("Game Scenes")
-@export var world_scene: PackedScene
+@export_file("*.tscn") var start_scene: String
+
+var _loading_resources: Dictionary[String, Promise] = {}
+
+@onready var content: Node = %Content
+@onready var loading_screen: Control = %LoadingScreen
 
 ## Handy typed singleton access.
-static var manager: GameManagerType:
-	get():
-		return GameManager
 static var settings: GameSettingsType:
 	get():
 		return GameSettings
@@ -19,5 +20,92 @@ static var runtime: GameRuntimeType:
 static var instance: Game
 
 
+class Promise:
+	var _callbacks: Array[Callable] = []
+	var _end_callbacks: Array[Callable] = []
+
+	func then(fn: Callable) -> Promise:
+		_callbacks.push_back(fn)
+		return self
+
+	func finally(fn: Callable) -> Promise:
+		_end_callbacks.push_back(fn)
+		return self
+
+	func resolve(res: Variant) -> void:
+		for fn: Callable in _callbacks + _end_callbacks:
+			fn.call(res)
+
+
+class ScenePromise:
+	extends Promise
+
+	func resolve(res: Variant) -> void:
+		@warning_ignore("unsafe_cast")
+		var instance: Node = (res as PackedScene).instantiate()
+		super.resolve(instance)
+
+
 func _ready() -> void:
 	Game.instance = self
+	_initial_load.call_deferred()
+
+
+func _initial_load() -> void:
+	queue_scene(start_scene)
+
+
+## Unload the running scene & queue up a new scene to be loaded in the background.
+##
+## The loading screen will be shown until the scene is loaded.
+func queue_scene(path: String) -> Promise:
+	_unload_content()
+	return queue_load(path, ScenePromise.new(), "PackedScene").finally(_finish_scene_load)
+
+
+## Queue a resource to be loaded in the background.
+##
+## Returns a `Promise` which can be used to attach callbacks
+## which will be called with the resource after it is loaded.
+func queue_load(path: String, promise: Promise = null, type_hint: String = "") -> Promise:
+	if not promise:
+		promise = Promise.new()
+	_loading_resources[path] = promise
+	ResourceLoader.load_threaded_request(path, type_hint)
+	return promise
+
+
+func _unload_content() -> void:
+	for child: Node in content.get_children():
+		child.queue_free()
+
+
+func _finish_scene_load(scene_instance: Node) -> void:
+	# Unpause in case the previous scene was paused.
+	get_tree().paused = false
+	# Reset time scale in case it's been changed.
+	Engine.time_scale = 1.0
+
+	content.add_child(scene_instance)
+	scene_instance.reparent(content)
+
+
+func _process(_delta: float) -> void:
+	if _loading_resources:
+		loading_screen.visible = true
+
+	for key: String in _loading_resources.keys():
+		match ResourceLoader.load_threaded_get_status(key):
+			ResourceLoader.THREAD_LOAD_LOADED:
+				_loading_resources[key].resolve(ResourceLoader.load_threaded_get(key))
+				_loading_resources.erase(key)
+			ResourceLoader.THREAD_LOAD_FAILED:
+				assert(false, "Failed loading resource: " + key)
+			ResourceLoader.THREAD_LOAD_INVALID_RESOURCE:
+				assert(false, "Can't load invalid resource: " + key)
+			_:
+				# Continue loading
+				pass
+
+	if not _loading_resources:
+		loading_screen.visible = false

src/game/game.tscn

@@ -1,8 +1,236 @@
-[gd_scene load_steps=3 format=3 uid="uid://qpq2cm1hgeha"]
+[gd_scene load_steps=14 format=3 uid="uid://qpq2cm1hgeha"]
 
 [ext_resource type="Script" uid="uid://dxl25lkyped4" path="res://src/game/game.gd" id="1_qnjlk"]
-[ext_resource type="PackedScene" uid="uid://884jqafhtrv0" path="res://src/world/world.tscn" id="2_s6lek"]
+[ext_resource type="FontFile" uid="uid://oq8ue2qrfijg" path="res://assets/fonts/Silkscreen/Silkscreen-Regular.ttf" id="2_s6lek"]
+[ext_resource type="Script" uid="uid://ctf1if4ly6nun" path="res://src/game/loading_screen.gd" id="3_kgj8g"]
+
+[sub_resource type="Theme" id="Theme_s6lek"]
+Label/colors/font_color = Color(0.137255, 0.984314, 0.34902, 1)
+Label/constants/outline_size = 16
+Label/font_sizes/font_size = 32
+Label/fonts/font = ExtResource("2_s6lek")
+
+[sub_resource type="Animation" id="Animation_kgj8g"]
+length = 0.001
+tracks/0/type = "value"
+tracks/0/imported = false
+tracks/0/enabled = true
+tracks/0/path = NodePath("MarginContainer/HBoxContainer/Loading:visible_ratio")
+tracks/0/interp = 1
+tracks/0/loop_wrap = true
+tracks/0/keys = {
+"times": PackedFloat32Array(0),
+"transitions": PackedFloat32Array(1),
+"update": 0,
+"values": [0.0]
+}
+tracks/1/type = "value"
+tracks/1/imported = false
+tracks/1/enabled = true
+tracks/1/path = NodePath("MarginContainer/HBoxContainer/Ellipsis:visible_characters")
+tracks/1/interp = 1
+tracks/1/loop_wrap = true
+tracks/1/keys = {
+"times": PackedFloat32Array(0),
+"transitions": PackedFloat32Array(1),
+"update": 1,
+"values": [0]
+}
+tracks/2/type = "value"
+tracks/2/imported = false
+tracks/2/enabled = true
+tracks/2/path = NodePath("MarginContainer/HBoxContainer/Blinker:visible")
+tracks/2/interp = 1
+tracks/2/loop_wrap = true
+tracks/2/keys = {
+"times": PackedFloat32Array(0),
+"transitions": PackedFloat32Array(1),
+"update": 1,
+"values": [false]
+}
+
+[sub_resource type="Animation" id="Animation_l80un"]
+resource_name = "ellipsis_loop"
+length = 1.2
+loop_mode = 1
+step = 0.05
+tracks/0/type = "value"
+tracks/0/imported = false
+tracks/0/enabled = true
+tracks/0/path = NodePath("MarginContainer/HBoxContainer/Loading:visible_ratio")
+tracks/0/interp = 1
+tracks/0/loop_wrap = true
+tracks/0/keys = {
+"times": PackedFloat32Array(0),
+"transitions": PackedFloat32Array(1),
+"update": 0,
+"values": [1.0]
+}
+tracks/1/type = "value"
+tracks/1/imported = false
+tracks/1/enabled = true
+tracks/1/path = NodePath("MarginContainer/HBoxContainer/Blinker:visible")
+tracks/1/interp = 1
+tracks/1/loop_wrap = true
+tracks/1/keys = {
+"times": PackedFloat32Array(0),
+"transitions": PackedFloat32Array(1),
+"update": 1,
+"values": [false]
+}
+tracks/2/type = "value"
+tracks/2/imported = false
+tracks/2/enabled = true
+tracks/2/path = NodePath("MarginContainer/HBoxContainer/Ellipsis:visible_characters")
+tracks/2/interp = 1
+tracks/2/loop_wrap = true
+tracks/2/keys = {
+"times": PackedFloat32Array(0, 0.3, 0.6, 0.9),
+"transitions": PackedFloat32Array(1, 1, 1, 1),
+"update": 1,
+"values": [0, 1, 2, 3]
+}
+
+[sub_resource type="Animation" id="Animation_s6lek"]
+resource_name = "initial_display"
+step = 0.05
+tracks/0/type = "value"
+tracks/0/imported = false
+tracks/0/enabled = true
+tracks/0/path = NodePath("MarginContainer/HBoxContainer/Loading:visible_ratio")
+tracks/0/interp = 1
+tracks/0/loop_wrap = true
+tracks/0/keys = {
+"times": PackedFloat32Array(0, 0.8, 1),
+"transitions": PackedFloat32Array(1, 1, 1),
+"update": 0,
+"values": [0.0, 0.0, 1.0]
+}
+tracks/1/type = "value"
+tracks/1/imported = false
+tracks/1/enabled = true
+tracks/1/path = NodePath("MarginContainer/HBoxContainer/Ellipsis:visible_characters")
+tracks/1/interp = 1
+tracks/1/loop_wrap = true
+tracks/1/keys = {
+"times": PackedFloat32Array(0),
+"transitions": PackedFloat32Array(1),
+"update": 1,
+"values": [0]
+}
+tracks/2/type = "value"
+tracks/2/imported = false
+tracks/2/enabled = true
+tracks/2/path = NodePath("MarginContainer/HBoxContainer/Blinker:visible")
+tracks/2/interp = 1
+tracks/2/loop_wrap = true
+tracks/2/keys = {
+"times": PackedFloat32Array(0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8),
+"transitions": PackedFloat32Array(1, 1, 1, 1, 1, 1, 1, 1, 1),
+"update": 1,
+"values": [false, true, false, true, false, true, false, true, false]
+}
+
+[sub_resource type="AnimationLibrary" id="AnimationLibrary_kgj8g"]
+_data = {
+&"RESET": SubResource("Animation_kgj8g"),
+&"ellipsis_loop": SubResource("Animation_l80un"),
+&"initial_display": SubResource("Animation_s6lek")
+}
+
+[sub_resource type="AnimationNodeAnimation" id="AnimationNodeAnimation_s6lek"]
+animation = &"ellipsis_loop"
+
+[sub_resource type="AnimationNodeAnimation" id="AnimationNodeAnimation_kgj8g"]
+animation = &"initial_display"
+
+[sub_resource type="AnimationNodeStateMachineTransition" id="AnimationNodeStateMachineTransition_l80un"]
+advance_mode = 2
+
+[sub_resource type="AnimationNodeStateMachineTransition" id="AnimationNodeStateMachineTransition_xptat"]
+switch_mode = 2
+advance_mode = 2
+
+[sub_resource type="AnimationNodeStateMachine" id="AnimationNodeStateMachine_l80un"]
+states/ellipsis_loop/node = SubResource("AnimationNodeAnimation_s6lek")
+states/ellipsis_loop/position = Vector2(630, 100)
+states/initial_display/node = SubResource("AnimationNodeAnimation_kgj8g")
+states/initial_display/position = Vector2(399, 100)
+transitions = ["Start", "initial_display", SubResource("AnimationNodeStateMachineTransition_l80un"), "initial_display", "ellipsis_loop", SubResource("AnimationNodeStateMachineTransition_xptat")]
 
 [node name="Game" type="Node"]
 script = ExtResource("1_qnjlk")
-world_scene = ExtResource("2_s6lek")
+start_scene = "uid://bctwol681jdk0"
+
+[node name="Content" type="Node" parent="."]
+unique_name_in_owner = true
+
+[node name="LoadingScreen" type="Control" parent="."]
+unique_name_in_owner = true
+layout_mode = 3
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+theme = SubResource("Theme_s6lek")
+script = ExtResource("3_kgj8g")
+
+[node name="ColorRect" type="ColorRect" parent="LoadingScreen"]
+layout_mode = 1
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+color = Color(0.0196078, 0.0431373, 0.0627451, 1)
+
+[node name="MarginContainer" type="MarginContainer" parent="LoadingScreen"]
+layout_mode = 1
+anchors_preset = 2
+anchor_top = 1.0
+anchor_bottom = 1.0
+offset_top = -40.0
+offset_right = 40.0
+grow_vertical = 0
+theme_override_constants/margin_left = 32
+theme_override_constants/margin_bottom = 32
+
+[node name="HBoxContainer" type="HBoxContainer" parent="LoadingScreen/MarginContainer"]
+layout_mode = 2
+
+[node name="Prompt" type="Label" parent="LoadingScreen/MarginContainer/HBoxContainer"]
+layout_mode = 2
+text = ">"
+
+[node name="Blinker" type="Label" parent="LoadingScreen/MarginContainer/HBoxContainer"]
+visible = false
+layout_mode = 2
+text = "_"
+
+[node name="Loading" type="Label" parent="LoadingScreen/MarginContainer/HBoxContainer"]
+layout_mode = 2
+text = "UI_LOADING"
+visible_characters = 0
+visible_characters_behavior = 1
+visible_ratio = 0.0
+
+[node name="Ellipsis" type="Label" parent="LoadingScreen/MarginContainer/HBoxContainer"]
+layout_mode = 2
+text = "..."
+visible_characters = 0
+visible_characters_behavior = 1
+visible_ratio = 0.0
+
+[node name="LoaderAnimation" type="AnimationPlayer" parent="LoadingScreen"]
+libraries = {
+&"": SubResource("AnimationLibrary_kgj8g")
+}
+
+[node name="LoaderTree" type="AnimationTree" parent="LoadingScreen/LoaderAnimation"]
+unique_name_in_owner = true
+root_node = NodePath("%LoaderTree/../..")
+tree_root = SubResource("AnimationNodeStateMachine_l80un")
+anim_player = NodePath("..")
+
+[connection signal="visibility_changed" from="LoadingScreen" to="LoadingScreen" method="_on_visibility_changed"]

src/game/game_settings.gd

@@ -15,6 +15,8 @@ var hold_to_sneak: bool
 var enable_screen_shake: bool
 var enable_head_bob: bool
 
+var enable_debug_menu: bool
+
 
 func _init() -> void:
 	ProjectSettings.settings_changed.connect(_read_settings)
@@ -39,6 +41,8 @@ func _read_settings() -> void:
 	)
 	enable_head_bob = ProjectSettings.get_setting("game/config/accessibility/enable_head_bob")
 
+	enable_debug_menu = ProjectSettings.get_setting_with_override("game/debug/enable_debug_menu")
+
 
 func _load_audio_bus_override() -> void:
 	# Load override audio bus file

src/game/level.gd

@@ -0,0 +1,14 @@
+class_name Level extends Node3D
+## A level with associated metadata
+
+const SAVE_PATH_FMT := "user://{0}.state.res"
+
+## Internal ID string
+@export var id: String
+
+## Human-readable name
+@export var pretty_name: String
+
+
+func get_save_path() -> String:
+	return SAVE_PATH_FMT.format([id])

src/game/level.gd.uid

@@ -0,0 +1 @@
+uid://68r4ht5ut1ct

src/game/loading_screen.gd

@@ -0,0 +1,9 @@
+extends Control
+
+@onready var loader_tree: AnimationTree = %LoaderTree
+@onready var state_machine: AnimationNodeStateMachinePlayback = loader_tree["parameters/playback"]
+
+
+func _on_visibility_changed() -> void:
+	if state_machine:
+		state_machine.start("initial_display", true)

src/game/loading_screen.gd.uid

@@ -0,0 +1 @@
+uid://ctf1if4ly6nun

src/player/camera_controller.gd

@@ -4,14 +4,12 @@ const PITCH_LIMIT := deg_to_rad(85.0)
 const FOCUS_SENSITIVITY := 0.2
 const FOCUS_ACCELERATION := 8
 
-@onready var player: Player = owner
-
 @onready var _target := Vector2(rotation.x, rotation.y)
 
 
 func _unhandled_input(event: InputEvent) -> void:
 	if event is InputEventMouseMotion:
-		if Input.get_mouse_mode() == Input.MOUSE_MODE_CAPTURED and player.look_enabled:
+		if Input.get_mouse_mode() == Input.MOUSE_MODE_CAPTURED and Player.instance.look_enabled:
 			camera_motion((event as InputEventMouseMotion).relative)
 	elif event is InputEventMouseButton:
 		Input.set_mouse_mode(Input.MOUSE_MODE_CAPTURED)
@@ -21,7 +19,7 @@ func camera_motion(motion: Vector2) -> void:
 	var x_sensitivity: float = Game.settings.mouse_sensitivity_x
 	var y_sensitivity: float = Game.settings.mouse_sensitivity_y
 	var invert_pitch: bool = Game.settings.invert_pitch
-	if player.firing:
+	if Player.instance.firing:
 		# Focus movement when firing
 		# Game mechanic, should not be user-configurable.
 		x_sensitivity = FOCUS_SENSITIVITY
@@ -42,7 +40,7 @@ func reset_pitch(tween_duration: float) -> void:
 
 func _physics_process(delta: float) -> void:
 	var mouse_accel: float = Game.settings.mouse_acceleration
-	if player.firing:
+	if Player.instance.firing:
 		mouse_accel = FOCUS_ACCELERATION
 
 	var weight := 1 - exp(-mouse_accel * delta)

src/player/footsteps/footstep_controller.gd

@@ -6,7 +6,6 @@ const VELOCITY_FACTOR := 2.0
 
 var _on_right_foot := false
 
-@onready var player: Player = owner
 
 @onready var left_foot: FootController = %LeftFoot
 @onready var right_foot: FootController = %RightFoot
@@ -16,12 +15,12 @@ var _on_right_foot := false
 
 
 func play_footstep() -> void:
-	if player.sneaking:
+	if Player.instance.sneaking:
 		return
 
 	var foot := right_foot if _on_right_foot else left_foot
 
-	var relative_speed := player.velocity.length() - MUTE_VELOCITY
+	var relative_speed := Player.instance.velocity.length() - MUTE_VELOCITY
 	if relative_speed < 0:
 		return
 

src/player/headbob_controller.gd

@@ -16,13 +16,11 @@ var timescale: float:
 	get:
 		return self["parameters/timescale/scale"]
 
-@onready var player: Player = owner
-
 
 func _process(delta: float) -> void:
-	var speed := player.velocity.length()
+	var speed := Player.instance.velocity.length()
 	var weight := 1 - exp(-BLEND_ACCELERATION * delta)
-	if player.is_on_floor():
+	if Player.instance.is_on_floor():
 		var timescale_target := speed * VELOCITY_TIMESCALE_FACTOR
 		timescale = lerpf(timescale, timescale_target, weight)
 	else:
@@ -30,7 +28,7 @@ func _process(delta: float) -> void:
 
 	if Game.settings.enable_head_bob:
 		var blend_target := 0.0
-		if player.is_on_floor():
+		if Player.instance.is_on_floor():
 			blend_target = speed * VELOCITY_BLEND_FACTOR
 
 		blend = lerpf(blend, blend_target, weight)

src/player/player.gd

@@ -2,6 +2,9 @@ class_name Player extends CharacterBody3D
 
 #region Exported Properties
 
+@export_category("HAX!!")
+@export var godmode := false
+
 @export_category("Status")
 @export var dead := false
 @export var movement_enabled := true
@@ -75,7 +78,7 @@ static var instance: Player
 
 
 func _ready() -> void:
-	Game.manager.milestone_reached.connect(_on_milestone)
+	World.instance.manager.milestone_reached.connect(_on_milestone)
 	instance = self
 
 
@@ -145,7 +148,7 @@ func toggle_crouch() -> void:
 ## Get fuckign grabbed, idiot!
 ## Begin grab death sequence animation.
 func get_grabbed() -> void:
-	if dead:  # No double-grabsies
+	if dead or godmode:  # No double-grabsies
 		return
 
 	movement_enabled = false
@@ -174,7 +177,7 @@ func _on_milestone(milestone: Milestone) -> void:
 
 func _signal_death() -> void:
 	# Called from the death animation
-	Game.manager.on_player_death()
+	World.instance.manager.on_player_death()
 
 
 #endregion
@@ -258,4 +261,18 @@ func _physics_process(delta: float) -> void:
 
 	move_and_slide()
 
+
+#endregion
+
+
+#region Persistence
+func serialize() -> Dictionary:
+	return {
+		"inventory": inventory,
+	}
+
+
+func deserialize(state: Dictionary) -> void:
+	@warning_ignore("unsafe_cast")
+	inventory.assign(state["inventory"] as Dictionary)
 #endregion

src/player/player.tscn

@@ -592,7 +592,7 @@ _data = {
 
 [sub_resource type="PlaneMesh" id="PlaneMesh_p6grl"]
 
-[node name="Player" type="CharacterBody3D"]
+[node name="Player" type="CharacterBody3D" groups=["Persistent"]]
 collision_layer = 8
 collision_mask = 33
 script = ExtResource("1_npueo")

src/props/bulkhead/bulkhead.gd

@@ -1,5 +1,8 @@
 extends Node3D
 
+@export var start_open := false
+
+@export_category("Editor Tools")
 @export var debug_open: bool:
 	set(value):
 		open()
@@ -15,6 +18,32 @@ extends Node3D
 @onready var nav_link: NavigationLink3D = %NavLink
 
 
+func _ready() -> void:
+	_deferred_init.call_deferred()
+
+
+func _deferred_init() -> void:
+	if start_open:
+		_instant_open()
+
+
+func _instant_open() -> void:
+	nav_link.enabled = true
+	animation.play("open")
+	animation.advance(100)
+
+
+func _instant_close() -> void:
+	nav_link.enabled = false
+	animation.play("open")
+	animation.advance(0)
+	animation.stop()
+
+
+func is_open() -> bool:
+	return nav_link.enabled
+
+
 func open() -> void:
 	nav_link.enabled = true
 	animation.play("open")
@@ -27,3 +56,11 @@ func close() -> void:
 	# TODO bespoke close anim?
 	animation.play_backwards("open")
 	nav_link.enabled = false
+
+
+func serialize() -> Dictionary:
+	return {"open": is_open()}
+
+
+func deserialize(state: Dictionary) -> void:
+	start_open = state["open"]

src/props/bulkhead/bulkhead.tscn

@@ -281,7 +281,7 @@ _data = {
 &"spray": SubResource("Animation_88qrs")
 }
 
-[node name="Bulkhead" instance=ExtResource("1_77udb")]
+[node name="Bulkhead" groups=["Persistent"] instance=ExtResource("1_77udb")]
 script = ExtResource("2_hknvo")
 
 [node name="Frame" parent="." index="0"]

src/props/overhead_light/overhead_light.gd

@@ -2,6 +2,15 @@ extends Node3D
 
 @export var threshold := 100.0
 @onready var spot_light_3d: SpotLight3D = %SpotLight3D
+@onready var gunk_body: GunkBody = %GunkBody
+
+
+func _ready() -> void:
+	_deferred_init.call_deferred()
+
+
+func _deferred_init() -> void:
+	gunk_body.trigger_recompute()
 
 
 func _on_clear_total_updated(clear_total: float) -> void:

src/props/overhead_light/overhead_light.tscn

@@ -116,6 +116,7 @@ libraries = {
 autoplay = "flicker"
 
 [node name="GunkBody" parent="MeshInstance3D" instance=ExtResource("6_3gl0p")]
+unique_name_in_owner = true
 mask_dim = 32
 source_gunk_material = ExtResource("8_3gl0p")
 

src/props/retinal_scanner/retinal_scanner.gd

@@ -8,6 +8,10 @@ signal activated
 
 
 func _ready() -> void:
+	_deferred_init.call_deferred()
+
+
+func _deferred_init() -> void:
 	if enabled:
 		enable()
 	else:
@@ -40,3 +44,11 @@ func _activate() -> void:
 func _on_interactive_selected() -> void:
 	if enabled:
 		interactive.enabled = _has_item()
+
+
+func serialize() -> Dictionary:
+	return {"enabled": enabled}
+
+
+func deserialize(state: Dictionary) -> void:
+	enabled = state["enabled"]

src/props/retinal_scanner/retinal_scanner.tscn

@@ -9,7 +9,7 @@ size = Vector3(0.475, 0.65, 0.2)
 [sub_resource type="BoxShape3D" id="BoxShape3D_5bfyo"]
 size = Vector3(0.475, 0.65, 0.2)
 
-[node name="RetinalScanner" type="Node3D"]
+[node name="RetinalScanner" type="Node3D" groups=["Persistent"]]
 script = ExtResource("1_c71b5")
 
 [node name="MeshInstance3D" type="MeshInstance3D" parent="."]

src/props/wall_switch/wall_switch.gd

@@ -22,6 +22,10 @@ const CLEAN_THRESHOLD := 1400
 
 func _ready() -> void:
 	interactive.label = label
+	_deferred_init.call_deferred()
+
+
+func _deferred_init() -> void:
 	if clean:
 		gunk_body.clear_all()
 		_on_clean()
@@ -85,3 +89,15 @@ func _on_gunk_body_clear_total_updated(clear_total: float) -> void:
 
 func _on_action_delay_timeout() -> void:
 	activated.emit()
+
+
+func serialize() -> Dictionary:
+	return {
+		"clean": clean,
+		"enabled": enabled,
+	}
+
+
+func deserialize(state: Dictionary) -> void:
+	clean = state["clean"]
+	enabled = state["enabled"]

src/props/wall_switch/wall_switch.tscn

@@ -189,7 +189,7 @@ size = Vector3(0.475, 0.65, 0.2)
 [sub_resource type="SphereShape3D" id="SphereShape3D_mxsyy"]
 radius = 3.0
 
-[node name="WallSwitch" instance=ExtResource("2_whafo")]
+[node name="WallSwitch" groups=["Persistent"] instance=ExtResource("2_whafo")]
 script = ExtResource("2_kfvqd")
 enabled = true
 label = "INTERACTIVE_SWITCH_LABEL"

src/shaders/canvas_grunk.gdshader

@@ -11,8 +11,7 @@ uniform float time_pixellation = 30.0;
 
 uniform float emission_strength = 0.05;
 
-// Used ONLY by the gunk, does not affect the gunk mask.
-uniform vec2 uv_scale = vec2(1.0);
+uniform float aspect_ratio = 1.0;
 
 uniform float time_scale = 1.0;
 
@@ -29,9 +28,8 @@ float hardstep(float value) {
 }
 
 void fragment() {
-	vec2 aspect_ratio = vec2(SCREEN_PIXEL_SIZE.y / SCREEN_PIXEL_SIZE.x, 1.0);
-	vec2 scaled_pixellation = pixellation * aspect_ratio;
-	vec2 local_uv = floor(UV * uv_scale * scaled_pixellation) / scaled_pixellation;
+	vec2 scaled_pixellation = pixellation * vec2(1.0, aspect_ratio);
+	vec2 local_uv = floor(UV * scaled_pixellation) / scaled_pixellation;
 	float local_time = floor(TIME * time_scale * time_pixellation) / time_pixellation;
 
 	// swirl

src/ui/elements/save_icon/save_icon.tscn

@@ -0,0 +1,76 @@
+[gd_scene load_steps=12 format=3 uid="uid://brknr57xc2cp0"]
+
+[ext_resource type="Texture2D" uid="uid://b7ds08rj0yk7j" path="res://assets/ui/corpo_logo/corpo_logo_128_bg.png" id="1_1oh6t"]
+[ext_resource type="Texture2D" uid="uid://dixpjnlaj86x2" path="res://assets/ui/corpo_logo/corpo_logo_128.png" id="1_p2l3a"]
+[ext_resource type="Shader" uid="uid://dnytoirugot2e" path="res://src/shaders/canvas_grunk.gdshader" id="2_q367f"]
+[ext_resource type="FastNoiseLite" uid="uid://cnlvdtx68giv6" path="res://assets/materials/gunk_noise.tres" id="3_8o5hc"]
+[ext_resource type="PackedScene" uid="uid://b6dx0ovy15g5o" path="res://src/effects/grunk_2d/grunk_2d.tscn" id="5_xrtbx"]
+
+[sub_resource type="ShaderMaterial" id="ShaderMaterial_8o5hc"]
+
+[sub_resource type="NoiseTexture3D" id="NoiseTexture3D_7v5ka"]
+width = 256
+height = 256
+seamless = true
+seamless_blend_skirt = 0.5
+noise = ExtResource("3_8o5hc")
+
+[sub_resource type="NoiseTexture3D" id="NoiseTexture3D_d72jk"]
+width = 256
+height = 256
+seamless = true
+seamless_blend_skirt = 0.5
+noise = ExtResource("3_8o5hc")
+
+[sub_resource type="FastNoiseLite" id="FastNoiseLite_qsvii"]
+frequency = 0.0006
+fractal_type = 2
+fractal_octaves = 4
+fractal_gain = 0.667
+domain_warp_type = 2
+
+[sub_resource type="NoiseTexture2D" id="NoiseTexture2D_pgbvb"]
+width = 1024
+height = 1024
+noise = SubResource("FastNoiseLite_qsvii")
+
+[sub_resource type="ShaderMaterial" id="ShaderMaterial_t8g1i"]
+resource_local_to_scene = true
+shader = ExtResource("2_q367f")
+shader_parameter/color_1 = Color(0, 0, 0, 1)
+shader_parameter/color_2 = Color(0.137255, 0.984314, 0.34902, 1)
+shader_parameter/emission_color = Color(0.486275, 1, 0.25098, 1)
+shader_parameter/pixellation = 32.0
+shader_parameter/time_pixellation = 60.0
+shader_parameter/emission_strength = 0.05
+shader_parameter/aspect_ratio = 1.0
+shader_parameter/time_scale = 1.0
+shader_parameter/gunk_noise = SubResource("NoiseTexture3D_7v5ka")
+shader_parameter/gunk_normal_map = SubResource("NoiseTexture3D_d72jk")
+shader_parameter/mask_progress = 1.0
+shader_parameter/mask_noise = SubResource("NoiseTexture2D_pgbvb")
+
+[node name="SaveIcon" type="MarginContainer"]
+offset_right = 40.0
+offset_bottom = 40.0
+
+[node name="IconBG" type="TextureRect" parent="."]
+layout_mode = 2
+size_flags_horizontal = 4
+size_flags_vertical = 4
+texture = ExtResource("1_1oh6t")
+stretch_mode = 2
+
+[node name="SaveIcon" type="TextureRect" parent="."]
+clip_children = 2
+texture_filter = 3
+material = SubResource("ShaderMaterial_8o5hc")
+layout_mode = 2
+size_flags_horizontal = 4
+size_flags_vertical = 4
+texture = ExtResource("1_p2l3a")
+stretch_mode = 2
+
+[node name="Grunk2D" parent="SaveIcon" instance=ExtResource("5_xrtbx")]
+material = SubResource("ShaderMaterial_t8g1i")
+layout_mode = 1

src/ui/hud/grunk_counter/grunk_counter.gd

@@ -10,15 +10,15 @@ const TANK_WARNING_BUFFER_PCT := 0.1
 
 
 func _ready() -> void:
-	Game.manager.grunk_collected.connect(on_grunk_collected)
-	Game.manager.grunk_emptied.connect(on_grunk_emptied)
+	World.instance.manager.grunk_collected.connect(on_grunk_collected)
+	World.instance.manager.grunk_emptied.connect(on_grunk_emptied)
 	counter.pivot_offset = Vector2(0, counter.size.y)
 
 
 func on_grunk_collected(delta: float) -> void:
-	counter.text = str(int(clampf(Game.manager.grunk_tank, 0.0, Game.manager.grunk_tank_limit)))
+	counter.text = str(int(clampf(World.instance.manager.grunk_tank, 0.0, World.instance.manager.grunk_tank_limit)))
 	counter.scale = Vector2.ONE + Vector2.ONE * clampf(delta / 128.0, 0.1, 1.0)
-	var buffer := remap(Game.manager.get_tank_fill_pct(), 1 - TANK_WARNING_BUFFER_PCT, 1, 0, 1)
+	var buffer := remap(World.instance.manager.get_tank_fill_pct(), 1 - TANK_WARNING_BUFFER_PCT, 1, 0, 1)
 	counter.modulate = Color.WHITE.lerp(Color.RED, clampf(buffer, 0, 1))
 
 

src/ui/hud/grunk_gauge/grunk_gauge.gd

@@ -23,22 +23,22 @@ var _base_rumble := 0.0
 
 
 func _ready() -> void:
-	Game.manager.grunk_collected.connect(on_grunk_collected)
-	Game.manager.grunk_emptied.connect(on_grunk_emptied)
+	World.instance.manager.grunk_collected.connect(on_grunk_collected)
+	World.instance.manager.grunk_emptied.connect(on_grunk_emptied)
 
 
 func get_target_rotation() -> float:
 	return remap(
-		Game.manager.grunk_tank,
+		World.instance.manager.grunk_tank,
 		0,
-		Game.manager.grunk_tank_limit,
+		World.instance.manager.grunk_tank_limit,
 		NEEDLE_ANGLE_MIN,
 		NEEDLE_ANGLE_MAX
 	)
 
 
 func on_grunk_collected(_delta: float) -> void:
-	var buffer := remap(Game.manager.get_tank_fill_pct(), 1 - TANK_WARNING_BUFFER_PCT, 1, 0, 1)
+	var buffer := remap(World.instance.manager.get_tank_fill_pct(), 1 - TANK_WARNING_BUFFER_PCT, 1, 0, 1)
 	_base_rumble = BUFFER_RUMBLE_FACTOR * buffer
 
 

src/ui/hud/player_hud.gd

@@ -6,8 +6,8 @@ class_name PlayerHUD extends Control
 
 
 func _ready() -> void:
-	Game.manager.alert_raised.connect(_on_raise_alert)
-	Game.manager.alert_cleared.connect(_on_clear_alert)
+	World.instance.manager.alert_raised.connect(_on_raise_alert)
+	World.instance.manager.alert_cleared.connect(_on_clear_alert)
 
 
 func select_interactive(prop: Interactive) -> void:

src/ui/hud/player_hud.tscn

@@ -344,10 +344,10 @@ anchor_left = 0.5
 anchor_top = 0.5
 anchor_right = 0.5
 anchor_bottom = 0.5
-offset_left = -401.486
-offset_top = -302.289
-offset_right = -401.486
-offset_bottom = -302.289
+offset_left = -399.906
+offset_top = -299.03
+offset_right = -399.906
+offset_bottom = -299.03
 grow_horizontal = 2
 grow_vertical = 2
 script = ExtResource("4_ud8na")

src/ui/menus/debug_menu/debug_menu.gd

@@ -0,0 +1,31 @@
+extends PanelContainer
+
+@onready var god_mode: CheckButton = %GodMode
+@onready var collect_grunk_input: SpinBox = %CollectGrunkInput
+
+
+func _ready() -> void:
+	# Initialize controls
+	if Player.instance:
+		god_mode.set_pressed_no_signal(Player.instance.godmode)
+
+
+func kill_player() -> void:
+	Player.instance.get_grabbed()
+
+
+func save_game() -> void:
+	World.instance.save_progress()
+
+
+func load_game() -> void:
+	World.instance.on_game_over()
+
+
+func collect_grunk() -> void:
+	World.instance.manager.collect_grunk(collect_grunk_input.value)
+	collect_grunk_input.value = 0.0
+
+
+func empty_tank() -> void:
+	World.instance.manager.empty_tank()

src/ui/menus/debug_menu/debug_menu.gd.uid

@@ -0,0 +1 @@
+uid://cekwr6enxknpn

src/ui/menus/debug_menu/debug_menu.tscn

@@ -0,0 +1,97 @@
+[gd_scene load_steps=4 format=3 uid="uid://dofr2ebmvnwxf"]
+
+[ext_resource type="Theme" uid="uid://doq7ay6f7dgfo" path="res://src/ui/menus/menu.theme" id="1_spfxq"]
+[ext_resource type="Script" uid="uid://cekwr6enxknpn" path="res://src/ui/menus/debug_menu/debug_menu.gd" id="2_p20ux"]
+[ext_resource type="FontFile" uid="uid://qadtckvw0t3l" path="res://assets/fonts/fontawesome-free-6.7.2-desktop/otfs/Font Awesome 6 Free-Solid-900.otf" id="3_rw5h6"]
+
+[node name="DebugMenu" type="PanelContainer"]
+custom_minimum_size = Vector2(1000, 600)
+theme = ExtResource("1_spfxq")
+script = ExtResource("2_p20ux")
+
+[node name="MarginContainer" type="MarginContainer" parent="."]
+layout_mode = 2
+theme_override_constants/margin_left = 16
+theme_override_constants/margin_top = 16
+theme_override_constants/margin_right = 16
+theme_override_constants/margin_bottom = 16
+
+[node name="VBoxContainer" type="VBoxContainer" parent="MarginContainer"]
+layout_mode = 2
+
+[node name="Header" type="HBoxContainer" parent="MarginContainer/VBoxContainer"]
+layout_mode = 2
+
+[node name="Heading" type="Label" parent="MarginContainer/VBoxContainer/Header"]
+layout_mode = 2
+size_flags_horizontal = 3
+theme_type_variation = &"HeaderLarge"
+text = "DEBUG MENU"
+
+[node name="CloseButton" type="Button" parent="MarginContainer/VBoxContainer/Header"]
+layout_mode = 2
+theme_override_fonts/font = ExtResource("3_rw5h6")
+theme_override_font_sizes/font_size = 50
+text = ""
+flat = true
+
+[node name="ScrollContainer" type="ScrollContainer" parent="MarginContainer/VBoxContainer"]
+layout_mode = 2
+size_flags_vertical = 3
+
+[node name="MarginContainer" type="MarginContainer" parent="MarginContainer/VBoxContainer/ScrollContainer"]
+layout_mode = 2
+size_flags_horizontal = 3
+theme_override_constants/margin_right = 12
+
+[node name="VBoxContainer" type="VBoxContainer" parent="MarginContainer/VBoxContainer/ScrollContainer/MarginContainer"]
+layout_mode = 2
+
+[node name="HBoxContainer" type="HBoxContainer" parent="MarginContainer/VBoxContainer/ScrollContainer/MarginContainer/VBoxContainer"]
+layout_mode = 2
+alignment = 2
+
+[node name="GodMode" type="CheckButton" parent="MarginContainer/VBoxContainer/ScrollContainer/MarginContainer/VBoxContainer/HBoxContainer"]
+unique_name_in_owner = true
+layout_mode = 2
+text = "God mode"
+alignment = 2
+
+[node name="KillPlayer" type="Button" parent="MarginContainer/VBoxContainer/ScrollContainer/MarginContainer/VBoxContainer/HBoxContainer"]
+layout_mode = 2
+text = "Kill player"
+
+[node name="SaveButton" type="Button" parent="MarginContainer/VBoxContainer/ScrollContainer/MarginContainer/VBoxContainer/HBoxContainer"]
+layout_mode = 2
+text = "Save game"
+
+[node name="LoadButton" type="Button" parent="MarginContainer/VBoxContainer/ScrollContainer/MarginContainer/VBoxContainer/HBoxContainer"]
+layout_mode = 2
+text = "Load game"
+
+[node name="HBoxContainer2" type="HBoxContainer" parent="MarginContainer/VBoxContainer/ScrollContainer/MarginContainer/VBoxContainer"]
+layout_mode = 2
+alignment = 2
+
+[node name="CollectGrunkInput" type="SpinBox" parent="MarginContainer/VBoxContainer/ScrollContainer/MarginContainer/VBoxContainer/HBoxContainer2"]
+unique_name_in_owner = true
+custom_minimum_size = Vector2(200, 0)
+layout_mode = 2
+max_value = 6.4e+07
+alignment = 2
+suffix = "g"
+
+[node name="CollectGrunkButton" type="Button" parent="MarginContainer/VBoxContainer/ScrollContainer/MarginContainer/VBoxContainer/HBoxContainer2"]
+layout_mode = 2
+text = "Collect grunk"
+
+[node name="EmptyTankButton" type="Button" parent="MarginContainer/VBoxContainer/ScrollContainer/MarginContainer/VBoxContainer/HBoxContainer2"]
+layout_mode = 2
+text = "Empty tank"
+
+[connection signal="pressed" from="MarginContainer/VBoxContainer/Header/CloseButton" to="." method="queue_free"]
+[connection signal="pressed" from="MarginContainer/VBoxContainer/ScrollContainer/MarginContainer/VBoxContainer/HBoxContainer/KillPlayer" to="." method="kill_player"]
+[connection signal="pressed" from="MarginContainer/VBoxContainer/ScrollContainer/MarginContainer/VBoxContainer/HBoxContainer/SaveButton" to="." method="save_game"]
+[connection signal="pressed" from="MarginContainer/VBoxContainer/ScrollContainer/MarginContainer/VBoxContainer/HBoxContainer/LoadButton" to="." method="load_game"]
+[connection signal="pressed" from="MarginContainer/VBoxContainer/ScrollContainer/MarginContainer/VBoxContainer/HBoxContainer2/CollectGrunkButton" to="." method="collect_grunk"]
+[connection signal="pressed" from="MarginContainer/VBoxContainer/ScrollContainer/MarginContainer/VBoxContainer/HBoxContainer2/EmptyTankButton" to="." method="empty_tank"]

src/ui/menus/kill_screen/kill_screen.tscn

@@ -1,18 +1,19 @@
-[gd_scene load_steps=13 format=3 uid="uid://c0uitm5cg88h1"]
+[gd_scene load_steps=14 format=3 uid="uid://c0uitm5cg88h1"]
 
 [ext_resource type="Shader" uid="uid://dnytoirugot2e" path="res://src/shaders/canvas_grunk.gdshader" id="1_28vyc"]
+[ext_resource type="PackedScene" uid="uid://b6dx0ovy15g5o" path="res://src/effects/grunk_2d/grunk_2d.tscn" id="1_sv5d8"]
 [ext_resource type="FastNoiseLite" uid="uid://cnlvdtx68giv6" path="res://assets/materials/gunk_noise.tres" id="2_qsvii"]
 [ext_resource type="Theme" uid="uid://b07fevr214mmr" path="res://src/ui/hud/hud_theme.tres" id="3_a6m17"]
 [ext_resource type="Script" uid="uid://cjs2fen6jo0g0" path="res://src/ui/rumbler.gd" id="4_sv5d8"]
 
-[sub_resource type="NoiseTexture3D" id="NoiseTexture3D_et0xc"]
+[sub_resource type="NoiseTexture3D" id="NoiseTexture3D_7v5ka"]
 width = 256
 height = 256
 seamless = true
 seamless_blend_skirt = 0.5
 noise = ExtResource("2_qsvii")
 
-[sub_resource type="NoiseTexture3D" id="NoiseTexture3D_a6m17"]
+[sub_resource type="NoiseTexture3D" id="NoiseTexture3D_d72jk"]
 width = 256
 height = 256
 seamless = true
@@ -26,12 +27,13 @@ fractal_octaves = 4
 fractal_gain = 0.667
 domain_warp_type = 2
 
-[sub_resource type="NoiseTexture2D" id="NoiseTexture2D_et0xc"]
+[sub_resource type="NoiseTexture2D" id="NoiseTexture2D_pgbvb"]
 width = 1024
 height = 1024
 noise = SubResource("FastNoiseLite_qsvii")
 
-[sub_resource type="ShaderMaterial" id="ShaderMaterial_qsvii"]
+[sub_resource type="ShaderMaterial" id="ShaderMaterial_3jt4s"]
+resource_local_to_scene = true
 shader = ExtResource("1_28vyc")
 shader_parameter/color_1 = Color(0, 0.03, 0.1, 1)
 shader_parameter/color_2 = Color(0, 0.1, 0.3, 1)
@@ -39,12 +41,51 @@ shader_parameter/emission_color = Color(0.25, 0.88, 1, 1)
 shader_parameter/pixellation = 50.0
 shader_parameter/time_pixellation = 30.0
 shader_parameter/emission_strength = 0.0
-shader_parameter/uv_scale = Vector2(1, 1)
+shader_parameter/aspect_ratio = 0.5625
 shader_parameter/time_scale = 0.2
-shader_parameter/gunk_noise = SubResource("NoiseTexture3D_et0xc")
-shader_parameter/gunk_normal_map = SubResource("NoiseTexture3D_a6m17")
+shader_parameter/gunk_noise = SubResource("NoiseTexture3D_7v5ka")
+shader_parameter/gunk_normal_map = SubResource("NoiseTexture3D_d72jk")
 shader_parameter/mask_progress = 0.0
-shader_parameter/mask_noise = SubResource("NoiseTexture2D_et0xc")
+shader_parameter/mask_noise = SubResource("NoiseTexture2D_pgbvb")
+
+[sub_resource type="Animation" id="Animation_et0xc"]
+length = 0.001
+tracks/0/type = "value"
+tracks/0/imported = false
+tracks/0/enabled = true
+tracks/0/path = NodePath("Grunk2D:material:shader_parameter/mask_progress")
+tracks/0/interp = 1
+tracks/0/loop_wrap = true
+tracks/0/keys = {
+"times": PackedFloat32Array(0),
+"transitions": PackedFloat32Array(1),
+"update": 0,
+"values": [0.0]
+}
+tracks/1/type = "value"
+tracks/1/imported = false
+tracks/1/enabled = true
+tracks/1/path = NodePath("Grunk2D/Rumbler:visible")
+tracks/1/interp = 1
+tracks/1/loop_wrap = true
+tracks/1/keys = {
+"times": PackedFloat32Array(0),
+"transitions": PackedFloat32Array(1),
+"update": 1,
+"values": [false]
+}
+tracks/2/type = "value"
+tracks/2/imported = false
+tracks/2/enabled = true
+tracks/2/path = NodePath("Blackout:visible")
+tracks/2/interp = 1
+tracks/2/loop_wrap = true
+tracks/2/keys = {
+"times": PackedFloat32Array(0),
+"transitions": PackedFloat32Array(1),
+"update": 1,
+"values": [false]
+}
 
 [sub_resource type="Animation" id="Animation_qsvii"]
 resource_name = "transition_in"
@@ -52,7 +93,7 @@ length = 14.0
 tracks/0/type = "value"
 tracks/0/imported = false
 tracks/0/enabled = true
-tracks/0/path = NodePath("Grunk:material:shader_parameter/mask_progress")
+tracks/0/path = NodePath("Grunk2D:material:shader_parameter/mask_progress")
 tracks/0/interp = 2
 tracks/0/loop_wrap = false
 tracks/0/keys = {
@@ -64,7 +105,7 @@ tracks/0/keys = {
 tracks/1/type = "value"
 tracks/1/imported = false
 tracks/1/enabled = true
-tracks/1/path = NodePath("Grunk/Rumbler:visible")
+tracks/1/path = NodePath("Grunk2D/Rumbler:visible")
 tracks/1/interp = 1
 tracks/1/loop_wrap = true
 tracks/1/keys = {
@@ -100,45 +141,6 @@ tracks/3/keys = {
 }]
 }
 
-[sub_resource type="Animation" id="Animation_et0xc"]
-length = 0.001
-tracks/0/type = "value"
-tracks/0/imported = false
-tracks/0/enabled = true
-tracks/0/path = NodePath("Grunk:material:shader_parameter/mask_progress")
-tracks/0/interp = 1
-tracks/0/loop_wrap = true
-tracks/0/keys = {
-"times": PackedFloat32Array(0),
-"transitions": PackedFloat32Array(1),
-"update": 0,
-"values": [0.0]
-}
-tracks/1/type = "value"
-tracks/1/imported = false
-tracks/1/enabled = true
-tracks/1/path = NodePath("Grunk/Rumbler:visible")
-tracks/1/interp = 1
-tracks/1/loop_wrap = true
-tracks/1/keys = {
-"times": PackedFloat32Array(0),
-"transitions": PackedFloat32Array(1),
-"update": 1,
-"values": [false]
-}
-tracks/2/type = "value"
-tracks/2/imported = false
-tracks/2/enabled = true
-tracks/2/path = NodePath("Blackout:visible")
-tracks/2/interp = 1
-tracks/2/loop_wrap = true
-tracks/2/keys = {
-"times": PackedFloat32Array(0),
-"transitions": PackedFloat32Array(1),
-"update": 1,
-"values": [false]
-}
-
 [sub_resource type="AnimationLibrary" id="AnimationLibrary_a6m17"]
 _data = {
 &"RESET": SubResource("Animation_et0xc"),
@@ -153,27 +155,20 @@ anchor_bottom = 1.0
 grow_horizontal = 2
 grow_vertical = 2
 
-[node name="Grunk" type="ColorRect" parent="."]
-clip_children = 2
-material = SubResource("ShaderMaterial_qsvii")
+[node name="Grunk2D" parent="." instance=ExtResource("1_sv5d8")]
+material = SubResource("ShaderMaterial_3jt4s")
 layout_mode = 1
-anchors_preset = 15
-anchor_right = 1.0
-anchor_bottom = 1.0
-grow_horizontal = 2
-grow_vertical = 2
-mouse_filter = 2
 
-[node name="Rumbler" type="Control" parent="Grunk"]
+[node name="Rumbler" type="Control" parent="Grunk2D"]
 visible = false
 layout_mode = 1
 anchors_preset = 15
 anchor_right = 1.0
 anchor_bottom = 1.0
-offset_left = 3.04544
-offset_top = -0.292352
-offset_right = 3.04541
-offset_bottom = -0.292358
+offset_left = -7.49218
+offset_top = -3.99316
+offset_right = -7.49219
+offset_bottom = -3.99316
 grow_horizontal = 2
 grow_vertical = 2
 mouse_filter = 2
@@ -181,7 +176,7 @@ script = ExtResource("4_sv5d8")
 intensity = 6.0
 metadata/_custom_type_script = "uid://cjs2fen6jo0g0"
 
-[node name="DeathMessage" type="Label" parent="Grunk/Rumbler"]
+[node name="DeathMessage" type="Label" parent="Grunk2D/Rumbler"]
 layout_mode = 1
 anchors_preset = 8
 anchor_left = 0.5

src/ui/menus/pause_menu/pause_menu.gd

@@ -1,7 +1,10 @@
 extends Control
 ## Menu shown in-game when the user presses pause.
 
+@export_category("Game Scenes")
+@export_file("*.tscn") var title_scene: String
 @export var settings_scene: PackedScene
+@export var debug_scene: PackedScene
 
 var _freeze_input := false
 
@@ -10,10 +13,15 @@ var _freeze_input := false
 @onready var end_game_confirm: Control = %EndGameConfirm
 @onready var settings_container: Container = %SettingsContainer
 
+@onready var debug_button: Button = %DebugButton
+@onready var debug_container: MarginContainer = %DebugContainer
+
 
 func _ready() -> void:
 	Input.set_mouse_mode(Input.MOUSE_MODE_VISIBLE)
 	Engine.time_scale = 1.0
+	if Game.settings.enable_debug_menu:
+		debug_button.show()
 
 
 func _unhandled_key_input(event: InputEvent) -> void:
@@ -63,5 +71,12 @@ func cancel_end_game() -> void:
 
 
 func confirm_end_game() -> void:
-	print_debug("TODO")
-	#world.fade_to_title()
+	# TODO transition
+	Game.instance.queue_scene(title_scene)
+
+
+func debug_menu() -> void:
+	var instance: Control = debug_scene.instantiate()
+	debug_container.add_child(instance)
+	instance.tree_exited.connect(_unhide)
+	_hide()

src/ui/menus/pause_menu/pause_menu.tscn

@@ -1,8 +1,9 @@
-[gd_scene load_steps=4 format=3 uid="uid://byvjsvavbg5xe"]
+[gd_scene load_steps=5 format=3 uid="uid://byvjsvavbg5xe"]
 
 [ext_resource type="Theme" uid="uid://doq7ay6f7dgfo" path="res://src/ui/menus/menu.theme" id="1_b4t8b"]
 [ext_resource type="Script" uid="uid://cllx5glqld8wn" path="res://src/ui/menus/pause_menu/pause_menu.gd" id="1_rd0j2"]
 [ext_resource type="PackedScene" uid="uid://d3eaqw2rdurct" path="res://src/ui/menus/settings_menu/settings_menu.tscn" id="3_dowgp"]
+[ext_resource type="PackedScene" uid="uid://dofr2ebmvnwxf" path="res://src/ui/menus/debug_menu/debug_menu.tscn" id="4_1bm4j"]
 
 [node name="PauseMenu" type="Control"]
 process_mode = 3
@@ -14,7 +15,9 @@ grow_horizontal = 2
 grow_vertical = 2
 theme = ExtResource("1_b4t8b")
 script = ExtResource("1_rd0j2")
+title_scene = "uid://bctwol681jdk0"
 settings_scene = ExtResource("3_dowgp")
+debug_scene = ExtResource("4_1bm4j")
 
 [node name="Shade" type="ColorRect" parent="."]
 layout_mode = 1
@@ -85,6 +88,13 @@ layout_mode = 2
 theme_type_variation = &"DangerButton"
 text = "PAUSE_QUIT"
 
+[node name="DebugButton" type="Button" parent="MenuList/VBoxContainer"]
+unique_name_in_owner = true
+visible = false
+layout_mode = 2
+theme_override_colors/font_color = Color(0.14, 1, 0.355, 1)
+text = "PAUSE_DEBUG"
+
 [node name="SettingsContainer" type="MarginContainer" parent="."]
 unique_name_in_owner = true
 custom_minimum_size = Vector2(1000, 600)
@@ -102,6 +112,23 @@ grow_horizontal = 2
 grow_vertical = 2
 mouse_filter = 2
 
+[node name="DebugContainer" type="MarginContainer" parent="."]
+unique_name_in_owner = true
+custom_minimum_size = Vector2(1000, 600)
+layout_mode = 1
+anchors_preset = 8
+anchor_left = 0.5
+anchor_top = 0.5
+anchor_right = 0.5
+anchor_bottom = 0.5
+offset_left = -485.0
+offset_top = -300.0
+offset_right = 515.0
+offset_bottom = 300.0
+grow_horizontal = 2
+grow_vertical = 2
+mouse_filter = 2
+
 [node name="QuitConfirm" type="CenterContainer" parent="."]
 unique_name_in_owner = true
 visible = false
@@ -196,6 +223,7 @@ text = "UI_QUIT"
 [connection signal="pressed" from="MenuList/VBoxContainer/SettingsButton" to="." method="settings"]
 [connection signal="pressed" from="MenuList/VBoxContainer/EndGameButton" to="." method="end_game"]
 [connection signal="pressed" from="MenuList/VBoxContainer/QuitButton" to="." method="quit"]
+[connection signal="pressed" from="MenuList/VBoxContainer/DebugButton" to="." method="debug_menu"]
 [connection signal="pressed" from="QuitConfirm/PanelContainer/MarginContainer/VBoxContainer/HBoxContainer/CancelButton" to="." method="cancel_quit"]
 [connection signal="pressed" from="QuitConfirm/PanelContainer/MarginContainer/VBoxContainer/HBoxContainer/ConfirmQuitButton" to="." method="confirm_quit"]
 [connection signal="pressed" from="EndGameConfirm/PanelContainer/MarginContainer/VBoxContainer/HBoxContainer/CancelButton" to="." method="cancel_end_game"]

src/ui/menus/title_screen/title_screen.gd

@@ -0,0 +1,46 @@
+extends Control
+## Title screen!
+
+# TODO is there a way to get this path without loading the level scene?
+@export var save_path: String
+
+@export_category("Game Scenes")
+# TODO is there a way to get the appropriate level scene path here without loading the world scene?
+@export_file("*.tscn") var level_scene: String
+@export_file("*.tscn") var world_scene: String
+
+@export var settings_scene: PackedScene
+
+@onready var continue_button: Button = %Continue
+@onready var settings_container: Control = %SettingsContainer
+
+@onready var title_sfx: AudioStreamPlayer = %TitleSFX
+@onready var title_drone: AudioStreamPlayer = %TitleDrone
+
+
+func _ready() -> void:
+	Input.set_mouse_mode(Input.MOUSE_MODE_VISIBLE)
+	if FileAccess.file_exists(save_path):
+		continue_button.disabled = false
+
+
+func continue_game() -> void:
+	LoadingTools.load_save(save_path)
+
+
+func new_game() -> void:
+	LoadingTools.load_level(level_scene)
+
+
+func show_settings() -> void:
+	var instance: Control = settings_scene.instantiate()
+	settings_container.add_child(instance)
+
+
+func quit() -> void:
+	get_tree().root.propagate_notification(NOTIFICATION_WM_CLOSE_REQUEST)
+
+
+func _exit_tree() -> void:
+	title_sfx.stop()
+	title_drone.stop()

src/ui/menus/title_screen/title_screen.gd.uid

@@ -0,0 +1 @@
+uid://dysldhadfr4oj

src/ui/menus/title_screen/title_screen.tscn

@@ -0,0 +1,833 @@
+[gd_scene load_steps=20 format=3 uid="uid://bctwol681jdk0"]
+
+[ext_resource type="Theme" uid="uid://dj2ij1b2yjicr" path="res://src/ui/menus/title_screen/title_screen.theme" id="1_3lcvc"]
+[ext_resource type="PackedScene" uid="uid://b6dx0ovy15g5o" path="res://src/effects/grunk_2d/grunk_2d.tscn" id="2_7vchy"]
+[ext_resource type="Script" uid="uid://dysldhadfr4oj" path="res://src/ui/menus/title_screen/title_screen.gd" id="2_rjwhj"]
+[ext_resource type="Texture2D" uid="uid://buc0oy5col0et" path="res://assets/ui/title.png" id="2_uxv0r"]
+[ext_resource type="PackedScene" uid="uid://d3eaqw2rdurct" path="res://src/ui/menus/settings_menu/settings_menu.tscn" id="3_wqn52"]
+[ext_resource type="Shader" uid="uid://dnytoirugot2e" path="res://src/shaders/canvas_grunk.gdshader" id="3_yrys0"]
+[ext_resource type="FastNoiseLite" uid="uid://cnlvdtx68giv6" path="res://assets/materials/gunk_noise.tres" id="4_cgiy0"]
+[ext_resource type="Texture2D" uid="uid://dixpjnlaj86x2" path="res://assets/ui/corpo_logo/corpo_logo_128.png" id="5_yrys0"]
+[ext_resource type="FontFile" uid="uid://bgy7odoob7xyl" path="res://assets/fonts/Silkscreen/Silkscreen-Bold.ttf" id="6_cgiy0"]
+[ext_resource type="AudioStream" uid="uid://c838ofbu4bqrn" path="res://assets/sfx/computer_noise.wav" id="10_x67pi"]
+[ext_resource type="AudioStream" uid="uid://dx4d8a3mgpws" path="res://assets/sfx/ambient/drone_loop.wav" id="11_gdkv4"]
+
+[sub_resource type="NoiseTexture3D" id="NoiseTexture3D_7v5ka"]
+width = 256
+height = 256
+seamless = true
+seamless_blend_skirt = 0.5
+noise = ExtResource("4_cgiy0")
+
+[sub_resource type="NoiseTexture3D" id="NoiseTexture3D_d72jk"]
+width = 256
+height = 256
+seamless = true
+seamless_blend_skirt = 0.5
+noise = ExtResource("4_cgiy0")
+
+[sub_resource type="FastNoiseLite" id="FastNoiseLite_qsvii"]
+frequency = 0.0006
+fractal_type = 2
+fractal_octaves = 4
+fractal_gain = 0.667
+domain_warp_type = 2
+
+[sub_resource type="NoiseTexture2D" id="NoiseTexture2D_pgbvb"]
+width = 1024
+height = 1024
+noise = SubResource("FastNoiseLite_qsvii")
+
+[sub_resource type="ShaderMaterial" id="ShaderMaterial_rjwhj"]
+resource_local_to_scene = true
+shader = ExtResource("3_yrys0")
+shader_parameter/color_1 = Color(0, 0.03, 0.1, 1)
+shader_parameter/color_2 = Color(0, 0.1, 0.3, 1)
+shader_parameter/emission_color = Color(0.25, 0.88, 1, 1)
+shader_parameter/pixellation = 30.0
+shader_parameter/time_pixellation = 30.0
+shader_parameter/emission_strength = 0.0
+shader_parameter/aspect_ratio = 0.5625
+shader_parameter/time_scale = 0.4
+shader_parameter/gunk_noise = SubResource("NoiseTexture3D_7v5ka")
+shader_parameter/gunk_normal_map = SubResource("NoiseTexture3D_d72jk")
+shader_parameter/mask_progress = 0.0
+shader_parameter/mask_noise = SubResource("NoiseTexture2D_pgbvb")
+
+[sub_resource type="Animation" id="Animation_iv5x5"]
+length = 0.001
+tracks/0/type = "value"
+tracks/0/imported = false
+tracks/0/enabled = true
+tracks/0/path = NodePath("VBoxContainer/Loader/Done:visible_ratio")
+tracks/0/interp = 1
+tracks/0/loop_wrap = true
+tracks/0/keys = {
+"times": PackedFloat32Array(0),
+"transitions": PackedFloat32Array(1),
+"update": 0,
+"values": [0.0]
+}
+tracks/1/type = "value"
+tracks/1/imported = false
+tracks/1/enabled = true
+tracks/1/path = NodePath("VBoxContainer/TitleContainer:custom_minimum_size")
+tracks/1/interp = 1
+tracks/1/loop_wrap = true
+tracks/1/keys = {
+"times": PackedFloat32Array(0),
+"transitions": PackedFloat32Array(1),
+"update": 0,
+"values": [Vector2(800, 0)]
+}
+tracks/2/type = "value"
+tracks/2/imported = false
+tracks/2/enabled = true
+tracks/2/path = NodePath("VBoxContainer/WarningMessage/LogoContainer:custom_minimum_size")
+tracks/2/interp = 1
+tracks/2/loop_wrap = true
+tracks/2/keys = {
+"times": PackedFloat32Array(0),
+"transitions": PackedFloat32Array(1),
+"update": 0,
+"values": [Vector2(128, 0)]
+}
+tracks/3/type = "value"
+tracks/3/imported = false
+tracks/3/enabled = true
+tracks/3/path = NodePath("VBoxContainer/WarningMessage/VBoxContainer/Line1/Warning:visible_ratio")
+tracks/3/interp = 1
+tracks/3/loop_wrap = true
+tracks/3/keys = {
+"times": PackedFloat32Array(0),
+"transitions": PackedFloat32Array(1),
+"update": 0,
+"values": [0.0]
+}
+tracks/4/type = "value"
+tracks/4/imported = false
+tracks/4/enabled = true
+tracks/4/path = NodePath("VBoxContainer/WarningMessage/VBoxContainer/Line1/Warning2:visible_ratio")
+tracks/4/interp = 1
+tracks/4/loop_wrap = true
+tracks/4/keys = {
+"times": PackedFloat32Array(0),
+"transitions": PackedFloat32Array(1),
+"update": 0,
+"values": [0.0]
+}
+tracks/5/type = "value"
+tracks/5/imported = false
+tracks/5/enabled = true
+tracks/5/path = NodePath("VBoxContainer/WarningMessage/VBoxContainer/Line2/Warning3:visible_ratio")
+tracks/5/interp = 1
+tracks/5/loop_wrap = true
+tracks/5/keys = {
+"times": PackedFloat32Array(0),
+"transitions": PackedFloat32Array(1),
+"update": 0,
+"values": [0.0]
+}
+tracks/6/type = "value"
+tracks/6/imported = false
+tracks/6/enabled = true
+tracks/6/path = NodePath("VBoxContainer/WarningMessage/VBoxContainer/Line1/Blinker:visible")
+tracks/6/interp = 1
+tracks/6/loop_wrap = true
+tracks/6/keys = {
+"times": PackedFloat32Array(0),
+"transitions": PackedFloat32Array(1),
+"update": 1,
+"values": [false]
+}
+tracks/7/type = "value"
+tracks/7/imported = false
+tracks/7/enabled = true
+tracks/7/path = NodePath("VBoxContainer/WarningMessage/VBoxContainer/Line2/Blinker2:visible")
+tracks/7/interp = 1
+tracks/7/loop_wrap = true
+tracks/7/keys = {
+"times": PackedFloat32Array(0),
+"transitions": PackedFloat32Array(1),
+"update": 1,
+"values": [false]
+}
+tracks/8/type = "value"
+tracks/8/imported = false
+tracks/8/enabled = true
+tracks/8/path = NodePath("VBoxContainer/WarningMessage/VBoxContainer/Line1:visible")
+tracks/8/interp = 1
+tracks/8/loop_wrap = true
+tracks/8/keys = {
+"times": PackedFloat32Array(0),
+"transitions": PackedFloat32Array(1),
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+text = "New Game"
+
+[node name="Settings" type="Button" parent="TitleScreenContent/VBoxContainer/MarginContainer/MenuButtons"]
+visible = false
+layout_mode = 2
+text = "Settings"
+
+[node name="Quit" type="Button" parent="TitleScreenContent/VBoxContainer/MarginContainer/MenuButtons"]
+visible = false
+layout_mode = 2
+theme_type_variation = &"DangerButton"
+text = "Quit"
+
+[node name="AnimationPlayer" type="AnimationPlayer" parent="TitleScreenContent"]
+libraries = {
+&"": SubResource("AnimationLibrary_3qdtd")
+}
+autoplay = "display"
+
+[node name="TitleSFX" type="AudioStreamPlayer" parent="TitleScreenContent"]
+unique_name_in_owner = true
+volume_db = -20.0
+bus = &"SFX"
+
+[node name="TitleDrone" type="AudioStreamPlayer" parent="TitleScreenContent"]
+unique_name_in_owner = true
+stream = ExtResource("11_gdkv4")
+volume_db = -40.0
+bus = &"Music"
+
+[node name="SettingsContainer" type="Control" parent="."]
+unique_name_in_owner = true
+custom_minimum_size = Vector2(1000, 600)
+layout_mode = 1
+anchors_preset = 8
+anchor_left = 0.5
+anchor_top = 0.5
+anchor_right = 0.5
+anchor_bottom = 0.5
+offset_left = -500.0
+offset_right = 500.0
+grow_horizontal = 2
+grow_vertical = 2
+mouse_filter = 2
+
+[connection signal="pressed" from="TitleScreenContent/VBoxContainer/MarginContainer/MenuButtons/Continue" to="." method="continue_game"]
+[connection signal="pressed" from="TitleScreenContent/VBoxContainer/MarginContainer/MenuButtons/NewGame" to="." method="new_game"]
+[connection signal="pressed" from="TitleScreenContent/VBoxContainer/MarginContainer/MenuButtons/Settings" to="." method="show_settings"]
+[connection signal="pressed" from="TitleScreenContent/VBoxContainer/MarginContainer/MenuButtons/Quit" to="." method="quit"]

src/util/loading_tools.gd

@@ -0,0 +1,22 @@
+class_name LoadingTools
+## Utilities for loading game states
+
+const WORLD_SCENE := "res://src/world/world.tscn"
+
+
+static func _load_world(level: PackedScene, save: SaveState = null) -> void:
+	var finish_load := func(world: World) -> void:
+		world.save_state = save
+		world.initial_level = level
+
+	Game.instance.queue_scene(WORLD_SCENE).then(finish_load)
+
+
+static func load_level(level_path: String, save: SaveState = null) -> void:
+	var chain_load := func(level: PackedScene) -> void: LoadingTools._load_world(level, save)
+	Game.instance.queue_load(level_path).then(chain_load)
+
+
+static func load_save(save_path: String) -> void:
+	var chain_load := func(save: SaveState) -> void: load_level(save.level_path, save)
+	Game.instance.queue_load(save_path).then(chain_load)

src/util/loading_tools.gd.uid

@@ -0,0 +1 @@
+uid://b1hmb3efjqldu

src/world/grunk_beast/behaviors/actions/set_player_priority_target.gd

@@ -10,7 +10,7 @@ class_name SetPlayerPriorityTarget extends ActionLeaf
 
 
 func tick(_actor: Node, blackboard: Blackboard) -> int:
-	if Game.manager.alert_level >= alert_threshold and is_instance_valid(Player.instance):
+	if World.instance.manager.alert_level >= alert_threshold and is_instance_valid(Player.instance):
 		blackboard.set_value(blackboard_key, Player.instance)
 		return SUCCESS
 	return FAILURE

src/world/gunk_body/gunk_body.gd

@@ -61,8 +61,7 @@ func _ready() -> void:
 	# Overlay mesh with gunk material
 	mesh_instance.material_overlay = mat_instance
 
-	if initial_mask:
-		mask_texture.texture = initial_mask
+	_deferred_init.call_deferred()
 
 	# Initialize meshtool
 	meshtool.create_from_surface(mesh_instance.mesh as ArrayMesh, 0)
@@ -71,12 +70,10 @@ func _ready() -> void:
 	_thread.start(_async_compute_clear_total)
 
 
-func _trigger_recompute_deferred() -> void:
-	_mutex.lock()
-	_mask_tx = mask_viewport.get_texture()
-	#_mask_img = mask_viewport.get_texture().get_image()
-	_mutex.unlock()
-	_semaphore.post()
+func _deferred_init() -> void:
+	if initial_mask:
+		mask_texture.texture = initial_mask
+		mask_texture.visible = true
 
 
 func _async_compute_clear_total() -> void:
@@ -258,13 +255,13 @@ func _process(_delta: float) -> void:
 	_mutex.unlock()
 	var delta := new_total - _prev_clear_total
 	if abs(delta) > CLEAR_TOTAL_EPSILON:
+		clear_total_updated.emit(new_total)
 		# Do not fire signal on first compute after initialization
 		# This prevents the player from collecting the grunk from the initial mask.
 		if _prev_clear_total >= 0:
-			clear_total_updated.emit(new_total)
 			# XXX due to fp error, this will drift from the "true count" over time
 			# but it probably won't matter :shrug:
-			Game.manager.collect_grunk(delta)
+			World.instance.manager.collect_grunk(delta)
 		_prev_clear_total = new_total
 
 	# If paint_continuous wasn't called last frame, stop the current polyline.
@@ -283,6 +280,23 @@ func _process(_delta: float) -> void:
 		_multiline_buffer = PackedVector2Array()
 
 
+func trigger_recompute() -> void:
+	_mutex.lock()
+	_mask_tx = mask_viewport.get_texture()
+	_mutex.unlock()
+	_semaphore.post()
+
+
 func _on_mask_painted() -> void:
 	# XXX any problem with posting each frame?
-	_trigger_recompute_deferred.call_deferred()
+	trigger_recompute.call_deferred()
+
+
+func serialize() -> Dictionary:
+	var state := {"mask": mask_viewport.get_texture().get_image()}
+	return state
+
+
+func deserialize(state: Dictionary) -> void:
+	@warning_ignore("unsafe_cast")
+	initial_mask = ImageTexture.create_from_image(state["mask"] as Image)

src/world/gunk_body/gunk_body.tscn

@@ -5,7 +5,7 @@
 [ext_resource type="Script" uid="uid://bom5qysgfvap1" path="res://src/world/gunk_body/draw_controller.gd" id="2_kkcjw"]
 [ext_resource type="Script" uid="uid://ba7480ara8eo" path="res://levels/sandbox/debug_draw.gd" id="3_m8wx4"]
 
-[node name="GunkBody" type="StaticBody3D"]
+[node name="GunkBody" type="StaticBody3D" groups=["Persistent"]]
 collision_layer = 5
 collision_mask = 0
 script = ExtResource("1_qqbpr")

src/world/gunk_node/grunk_nodule.tscn

@@ -19,7 +19,7 @@ stream_1/stream = ExtResource("5_omayi")
 stream_2/stream = ExtResource("6_yg8lg")
 stream_3/stream = ExtResource("7_4kci5")
 
-[node name="GrunkNodule" type="StaticBody3D"]
+[node name="GrunkNodule" type="StaticBody3D" groups=["Persistent"]]
 collision_layer = 36
 collision_mask = 0
 script = ExtResource("1_iyr82")

src/world/gunk_node/gunk_node.gd

@@ -20,6 +20,10 @@ var _sustained_damage := 0.0
 var _hit_this_frame := false
 
 
+func _enter_tree() -> void:
+	add_to_group("Persistent", true)
+
+
 ## Called each frame this node takes a hit.
 ##
 ## Derived types should override `_hit()` as a lifecycle method.
@@ -49,7 +53,7 @@ func _process(_delta: float) -> void:
 
 ## Destroy this node, with the player collecting the grunk value.
 func collect() -> void:
-	Game.manager.collect_grunk(value)
+	World.instance.manager.collect_grunk(value)
 	destroy()
 
 
@@ -57,7 +61,7 @@ func collect() -> void:
 ##
 ## Derived types should override `_destroy` as a lifecycle method.
 func destroy() -> void:
-	Game.manager.collect_grunk(value)
+	World.instance.manager.collect_grunk(value)
 	var splatter := GrunkSplatter.build(splatter_scale * scale.x)
 	add_sibling(splatter)
 	splatter.global_position = global_position
@@ -68,3 +72,13 @@ func destroy() -> void:
 
 func _destroy() -> void:
 	pass  # Implemented in derived type
+
+
+func serialize() -> Dictionary:
+	# Nothing to serialize, but we need a placeholder value to show we haven't been destroyed.
+	return {}
+
+
+func deserialize(_state: Dictionary) -> void:
+	# Nothing to deserialize, but we won't be freed!
+	pass

src/world/mechanics/alarm/gunk_alarm.gd

@@ -24,7 +24,7 @@ var _busy := false
 func trigger() -> void:
 	if not _busy:
 		_busy = true
-		Game.manager.raise_alert(ALERT_DELTA)
+		World.instance.manager.raise_alert(ALERT_DELTA)
 		animation_player.play("trigger")
 		trigger_animation.play("trigger")
 		alarm_sfx.play()

src/world/mechanics/alarm/gunk_alarm.tscn

@@ -243,7 +243,7 @@ _data = {
 &"pulse": SubResource("Animation_vokcn")
 }
 
-[node name="GunkAlarm" type="StaticBody3D"]
+[node name="GunkAlarm" type="StaticBody3D" groups=["Persistent"]]
 collision_layer = 36
 collision_mask = 0
 script = ExtResource("1_piaxx")

src/world/mechanics/heart/gunk_heart.tscn

@@ -99,7 +99,7 @@ _data = {
 &"pulse": SubResource("Animation_eu6st")
 }
 
-[node name="GunkHeart" type="StaticBody3D"]
+[node name="GunkHeart" type="StaticBody3D" groups=["Persistent"]]
 collision_layer = 36
 collision_mask = 0
 script = ExtResource("1_ftym0")

src/world/mechanics/listener/listener.tscn

@@ -53,7 +53,7 @@ _data = {
 &"trigger": SubResource("Animation_htscg")
 }
 
-[node name="Listener" type="StaticBody3D"]
+[node name="Listener" type="StaticBody3D" groups=["Persistent"]]
 collision_layer = 36
 collision_mask = 0
 script = ExtResource("1_htscg")

src/world/mechanics/relay/gunk_relay.tscn

@@ -111,7 +111,7 @@ _data = {
 &"trigger": SubResource("Animation_rdv5j")
 }
 
-[node name="GunkRelay" type="StaticBody3D"]
+[node name="GunkRelay" type="StaticBody3D" groups=["Persistent"]]
 collision_layer = 36
 collision_mask = 0
 script = ExtResource("1_rdv5j")

src/world/mechanics/trigger/gunk_trigger.tscn

@@ -13,7 +13,7 @@ emission_energy_multiplier = 0.0
 [sub_resource type="ConcavePolygonShape3D" id="ConcavePolygonShape3D_t1c4j"]
 data = PackedVector3Array(0.7236, -0.4472, 0.5257, 0, -1, 0, -0.2764, -0.4472, 0.8506, 0, -1, 0, 0.7236, -0.4472, 0.5257, 0.7236, -0.4472, -0.5257, -0.2764, -0.4472, 0.8506, 0, -1, 0, -0.8944, -0.4472, 0, -0.8944, -0.4472, 0, 0, -1, 0, -0.2764, -0.4472, -0.8506, -0.2764, -0.4472, -0.8506, 0, -1, 0, 0.7236, -0.4472, -0.5257, 0.7236, -0.4472, -0.5257, 0.7236, -0.4472, 0.5257, 0.8944, 0.4472, 0, 0.7236, -0.4472, 0.5257, -0.2764, -0.4472, 0.8506, 0.2764, 0.4472, 0.8506, -0.2764, -0.4472, 0.8506, -0.8944, -0.4472, 0, -0.7236, 0.4472, 0.5257, -0.8944, -0.4472, 0, -0.2764, -0.4472, -0.8506, -0.7236, 0.4472, -0.5257, -0.2764, -0.4472, -0.8506, 0.7236, -0.4472, -0.5257, 0.2764, 0.4472, -0.8506, 0.8944, 0.4472, 0, 0.7236, -0.4472, 0.5257, 0.2764, 0.4472, 0.8506, 0.2764, 0.4472, 0.8506, -0.2764, -0.4472, 0.8506, -0.7236, 0.4472, 0.5257, -0.7236, 0.4472, 0.5257, -0.8944, -0.4472, 0, -0.7236, 0.4472, -0.5257, -0.7236, 0.4472, -0.5257, -0.2764, -0.4472, -0.8506, 0.2764, 0.4472, -0.8506, 0.2764, 0.4472, -0.8506, 0.7236, -0.4472, -0.5257, 0.8944, 0.4472, 0, 0.8944, 0.4472, 0, 0.2764, 0.4472, 0.8506, 0, 1, 0, 0.2764, 0.4472, 0.8506, -0.7236, 0.4472, 0.5257, 0, 1, 0, -0.7236, 0.4472, 0.5257, -0.7236, 0.4472, -0.5257, 0, 1, 0, -0.7236, 0.4472, -0.5257, 0.2764, 0.4472, -0.8506, 0, 1, 0, 0.2764, 0.4472, -0.8506, 0.8944, 0.4472, 0, 0, 1, 0)
 
-[node name="GunkTrigger" type="StaticBody3D"]
+[node name="GunkTrigger" type="StaticBody3D" groups=["Persistent"]]
 collision_layer = 36
 collision_mask = 0
 script = ExtResource("1_t1c4j")

src/world/save_state.gd

@@ -0,0 +1,81 @@
+class_name SaveState extends Resource
+## Serializable container for gameplay state.
+
+const CURRENT_VERSION := 0
+const PERSISTENT_GROUP := "Persistent"
+const SERIALIZE_METHOD := "serialize"
+const DESERIALIZE_METHOD := "deserialize"
+
+@export var save_version := CURRENT_VERSION
+
+@export var level_path: String
+
+@export var persistent_state: Dictionary[String, Dictionary] = {}
+
+@export_group("WorldManager State")
+@export var grunk_tank_limit: int
+@export var mp3_player_unlocked: bool
+@export var toothbrush_unlocked: bool
+@export var stickers_unlocked: bool
+
+@export var grunk_tank: float
+@export var grunk_vault: float
+@export var alert_level: int
+
+
+static func node_key(node: Node, world: World) -> String:
+	return str(world.level_root.get_path_to(node))
+
+
+func load_to_world(world: World) -> void:
+	if level_path != world.current_level_scene.resource_path:
+		push_warning(
+			"This save is for ",
+			level_path,
+			" but the loaded level is for ",
+			world.current_level_scene.resource_path
+		)
+
+	world.manager.grunk_tank_limit = grunk_tank_limit
+	world.manager.mp3_player_unlocked = mp3_player_unlocked
+	world.manager.toothbrush_unlocked = toothbrush_unlocked
+	world.manager.stickers_unlocked = stickers_unlocked
+	world.manager.grunk_tank = grunk_tank
+	world.manager.grunk_vault = grunk_vault
+	world.manager.alert_level = alert_level
+
+	var persistent := world.get_tree().get_nodes_in_group(PERSISTENT_GROUP)
+
+	for node: Node in persistent:
+		var key := SaveState.node_key(node, world)
+		if key in persistent_state:
+			# Node is in our persistent state, so load it with data.
+			Callable(node, DESERIALIZE_METHOD).call(persistent_state[key])
+		else:
+			# Node isn't in our persistent state, so it must have been destroyed.
+			node.queue_free()
+
+
+static func serialize(world: World) -> SaveState:
+	var save := SaveState.new()
+
+	save.level_path = world.current_level_scene.resource_path
+
+	save.grunk_tank_limit = world.manager.grunk_tank_limit
+	save.mp3_player_unlocked = world.manager.mp3_player_unlocked
+	save.toothbrush_unlocked = world.manager.toothbrush_unlocked
+	save.stickers_unlocked = world.manager.stickers_unlocked
+	save.grunk_tank = world.manager.grunk_tank
+	save.grunk_vault = world.manager.grunk_vault
+	save.alert_level = world.manager.alert_level
+
+	# NOTE: I'm assuming that `persistent` will have the same order ever time the world is loaded.
+	# This may not be the case. If so, we need to find a different way to uniquely identify nodes.
+	var persistent := world.get_tree().get_nodes_in_group(PERSISTENT_GROUP)
+
+	for node: Node in persistent:
+		var key := SaveState.node_key(node, world)
+		var data: Dictionary = Callable(node, SERIALIZE_METHOD).call()
+		save.persistent_state[key] = data
+
+	return save

src/world/save_state.gd.uid

@@ -0,0 +1 @@
+uid://dsyyk7muaabf5

src/world/spook_manager.tres

@@ -0,0 +1,9 @@
+[gd_resource type="Resource" script_class="SpookManager" load_steps=3 format=3 uid="uid://0i72bf8ip1lx"]
+
+[ext_resource type="PackedScene" uid="uid://ehf5sg3ahvbf" path="res://src/world/grunk_beast/grunk_beast.tscn" id="1_8hd1x"]
+[ext_resource type="Script" uid="uid://bsn026pxqwkbc" path="res://src/world/spook_manager/spook_manager.gd" id="2_01euv"]
+
+[resource]
+script = ExtResource("2_01euv")
+grunkbeast_scene = ExtResource("1_8hd1x")
+metadata/_custom_type_script = "uid://bsn026pxqwkbc"

src/world/spook_manager/spook_manager.gd

@@ -7,12 +7,7 @@ const BEAST_GROUP := "GrunkBeast"
 @export var grunkbeast_scene: PackedScene
 
 var debug_set_alert_level: int:
-	set = _on_alert_raised
-
-
-func _init() -> void:
-	Game.manager.alert_raised.connect(_on_alert_raised)
-	Game.manager.alert_cleared.connect(_on_alert_cleared)
+	set = on_alert_raised
 
 
 func _spawn_beast_at_point(spawn_point: Node3D) -> void:
@@ -26,7 +21,7 @@ func spawn_beast() -> void:
 	var spawn_point := SceneTools.pick_unseen_from_group(SPAWN_GROUP)
 	if not spawn_point:
 		print_debug("Couldn't find a hidden spawn point... Picking one at random.")
-		var nodes := Game.manager.get_tree().get_nodes_in_group(SPAWN_GROUP)
+		var nodes := World.instance.get_tree().get_nodes_in_group(SPAWN_GROUP)
 		if not nodes:
 			print_debug("Oh that's why. There aren't any spawn points. Complain to a developer.")
 			return
@@ -38,14 +33,14 @@ func spawn_beast() -> void:
 
 ## Spawn beasts at _every_ spawn point the player can't see.
 func spawn_many_beasts() -> void:
-	var nodes := Game.manager.get_tree().get_nodes_in_group(SPAWN_GROUP)
+	var nodes := World.instance.get_tree().get_nodes_in_group(SPAWN_GROUP)
 	for node: Node in nodes:
 		var target := node as Node3D
 		if is_instance_valid(target) and not SceneTools.player_can_see(target.global_position):
 			_spawn_beast_at_point(target)
 
 
-func _on_alert_raised(new_level: int) -> void:
+func on_alert_raised(new_level: int) -> void:
 	match new_level:
 		0:
 			# LEVEL 0: UNAWARE
@@ -56,8 +51,11 @@ func _on_alert_raised(new_level: int) -> void:
 			# Set up meet-spook.
 			# Get closest MeetSpook point to player.
 			if Player.instance:
-				var closest := SceneTools.closest_in_group(Player.instance, MeetSpook.GROUP)
-				(closest as MeetSpook).prepare()
+				var closest := (
+					SceneTools.closest_in_group(Player.instance, MeetSpook.GROUP) as MeetSpook
+				)
+				if closest:
+					closest.prepare()
 		2:
 			# LEVEL 2: AGGRESSIVE
 			# Beast pursues player on sight.
@@ -77,16 +75,16 @@ func _on_alert_raised(new_level: int) -> void:
 			pass  # TODO
 
 
-func _on_alert_cleared() -> void:
-	# Destroy all but one grunk beasts
-	var beasts := Game.manager.get_tree().get_nodes_in_group(BEAST_GROUP)
-	if not beasts:
-		return
+func on_alert_cleared() -> void:
+	# Destroy all grunk beasts
+	for b: Node in World.instance.get_tree().get_nodes_in_group(BEAST_GROUP):
+		b.queue_free()
 
-	@warning_ignore("unsafe_cast")
-	var survivor := beasts.pick_random() as GrunkBeast
-	for beast: Node in beasts:
-		if beast != survivor:
-			beast.queue_free()
+	# And spawn one back in, if needed
+	if World.instance.manager.alert_level >= 2:
+		spawn_beast()
 
-	survivor.clear_aggro()
+
+## Set the state of spooky effects after a level is initialized & any save state is loaded.
+func after_level_init() -> void:
+	on_alert_cleared()

src/world/world.gd

@@ -3,6 +3,9 @@ class_name World extends Node
 
 @export var pause_enabled := true
 
+@export var save_state: SaveState
+
+@export var manager: WorldManager
 @export var spook_manager: SpookManager
 
 @export_category("Game Scenes")
@@ -12,18 +15,23 @@ class_name World extends Node
 
 @export var kill_screen_scene: PackedScene
 
-var current_level: PackedScene
+var current_level_scene: PackedScene
+var current_level: Level
 
 @onready var level_root: Node3D = %LevelRoot
 @onready var ui_root: Control = %UIRoot
+@onready var save_icon: MarginContainer = %SaveIcon
 
 static var instance: World
 
 
 func _ready() -> void:
 	World.instance = self
-	Game.manager.player_dead.connect(on_player_death)
-	load_level(initial_level)
+	manager.alert_raised.connect(spook_manager.on_alert_raised)
+	manager.alert_cleared.connect(spook_manager.on_alert_cleared)
+	manager.player_dead.connect(on_player_death)
+	if initial_level:
+		load_level(initial_level)
 
 
 func _unhandled_input(event: InputEvent) -> void:
@@ -45,8 +53,15 @@ func unpause() -> void:
 func load_level(level: PackedScene) -> void:
 	for c: Node in level_root.get_children():
 		c.queue_free()
-	current_level = level
-	level_root.add_child(level.instantiate())
+		level_root.remove_child(c)
+	current_level_scene = level
+	print("Instantiating level from ", level.resource_path)
+	current_level = level.instantiate()
+	level_root.add_child(current_level)
+	if save_state:
+		save_state.load_to_world(self)
+	print("Done!")
+	spook_manager.after_level_init()
 
 
 func on_player_death() -> void:
@@ -55,7 +70,26 @@ func on_player_death() -> void:
 	ui_root.add_child(kill_screen)
 
 
+func _reload_saved(save: SaveState) -> void:
+	save_state = save
+	load_level(current_level_scene)
+
+
 func on_game_over() -> void:
-	# TODO: reload from last checkpoint
-	# in the mean time, just reload the level
-	load_level(current_level)
+	# reload the level from the last save
+	var save_path := current_level.get_save_path()
+	if FileAccess.file_exists(save_path):
+		Game.instance.queue_load(save_path).finally(_reload_saved)
+	else:
+		load_level(current_level_scene)
+
+
+func save_progress() -> void:
+	print("Preparing save state...")
+	save_icon.show()
+	var save := SaveState.serialize(self)
+	var save_path := current_level.get_save_path()
+	print("Writing save to ", save_path)
+	ResourceSaver.save(save, save_path)
+	save_icon.hide()
+	print("Done!")

src/world/world.tscn

@@ -1,21 +1,18 @@
 [gd_scene load_steps=8 format=3 uid="uid://884jqafhtrv0"]
 
 [ext_resource type="Script" uid="uid://cgqmhtemibxc5" path="res://src/world/world.gd" id="1_1k4gi"]
+[ext_resource type="Resource" uid="uid://tgac5tnfx56r" path="res://src/world/world_manager.tres" id="2_5kmgb"]
 [ext_resource type="PackedScene" uid="uid://byvjsvavbg5xe" path="res://src/ui/menus/pause_menu/pause_menu.tscn" id="2_6fy3g"]
-[ext_resource type="PackedScene" uid="uid://ehf5sg3ahvbf" path="res://src/world/grunk_beast/grunk_beast.tscn" id="2_43c6p"]
-[ext_resource type="Script" uid="uid://bsn026pxqwkbc" path="res://src/world/spook_manager/spook_manager.gd" id="2_bsf3i"]
-[ext_resource type="PackedScene" uid="uid://bov4ok76woyc" path="res://levels/ghost_ship/ghost_ship.tscn" id="2_jte2u"]
+[ext_resource type="Resource" uid="uid://0i72bf8ip1lx" path="res://src/world/spook_manager.tres" id="3_l0av5"]
+[ext_resource type="PackedScene" uid="uid://b8rv6dg4tgaeb" path="res://levels/mechanic_test/mechanic_test.tscn" id="4_5kmgb"]
 [ext_resource type="PackedScene" uid="uid://c0uitm5cg88h1" path="res://src/ui/menus/kill_screen/kill_screen.tscn" id="6_l0av5"]
-
-[sub_resource type="Resource" id="Resource_43c6p"]
-script = ExtResource("2_bsf3i")
-grunkbeast_scene = ExtResource("2_43c6p")
-metadata/_custom_type_script = "uid://bsn026pxqwkbc"
+[ext_resource type="PackedScene" uid="uid://brknr57xc2cp0" path="res://src/ui/elements/save_icon/save_icon.tscn" id="7_5kmgb"]
 
 [node name="World" type="Node"]
 script = ExtResource("1_1k4gi")
-spook_manager = SubResource("Resource_43c6p")
-initial_level = ExtResource("2_jte2u")
+manager = ExtResource("2_5kmgb")
+spook_manager = ExtResource("3_l0av5")
+initial_level = ExtResource("4_5kmgb")
 pause_scene = ExtResource("2_6fy3g")
 kill_screen_scene = ExtResource("6_l0av5")
 
@@ -31,3 +28,17 @@ anchor_bottom = 1.0
 grow_horizontal = 2
 grow_vertical = 2
 mouse_filter = 2
+
+[node name="SaveIcon" parent="UIRoot" instance=ExtResource("7_5kmgb")]
+unique_name_in_owner = true
+visible = false
+layout_mode = 1
+anchors_preset = 2
+anchor_top = 1.0
+anchor_bottom = 1.0
+offset_top = -140.0
+offset_right = 140.0
+offset_bottom = 0.0
+grow_vertical = 0
+theme_override_constants/margin_left = 32
+theme_override_constants/margin_bottom = 32

src/world/world_item/world_item.gd

@@ -32,3 +32,13 @@ func _on_interactive_activated() -> void:
 	Player.instance.add_item(item)
 	# TODO: animation, sfx on collect?
 	queue_free()
+
+
+func serialize() -> Dictionary:
+	# Nothing to serialize, but we need a placeholder value to show we haven't been destroyed.
+	return {}
+
+
+func deserialize(_state: Dictionary) -> void:
+	# Nothing to deserialize, but we won't be freed!
+	pass

src/world/world_item/world_item.tscn

@@ -6,7 +6,7 @@
 [sub_resource type="SphereShape3D" id="SphereShape3D_0mein"]
 radius = 0.25
 
-[node name="WorldItem" type="MeshInstance3D"]
+[node name="WorldItem" type="MeshInstance3D" groups=["Persistent"]]
 script = ExtResource("1_sptcj")
 
 [node name="Interactive" type="StaticBody3D" parent="."]

src/world/world_manager.gd

@@ -1,5 +1,5 @@
-class_name GameManagerType extends Node
-## Autoloaded singleton encapsulating game state.
+class_name WorldManager extends Resource
+## Autoloaded singleton encapsulating game world state.
 
 # TODO a lot of this should really be a property of the world.
 
@@ -59,6 +59,10 @@ var grunk_vault := 0.0
 var alert_level := 0
 
 
+func _init() -> void:
+	milestone_reached.connect(_on_milestone)
+
+
 ## Add to the player's grunk tank.
 func collect_grunk(delta: float) -> void:
 	grunk_tank += delta
@@ -83,6 +87,8 @@ func deposit_tank() -> void:
 	if alert_level >= CLEAR_LEVEL:
 		clear_alert()
 
+	World.instance.save_progress()
+
 
 func is_tank_full() -> bool:
 	return grunk_tank >= grunk_tank_limit

src/world/world_manager.tres

@@ -1,10 +1,10 @@
-[gd_scene load_steps=13 format=3 uid="uid://cnrtgmanw40ei"]
+[gd_resource type="Resource" script_class="WorldManager" load_steps=13 format=3 uid="uid://tgac5tnfx56r"]
 
-[ext_resource type="Script" uid="uid://c1i5gnht15x0e" path="res://src/game/game_manager.gd" id="1_08e4a"]
-[ext_resource type="Script" uid="uid://ufxoxupdvyd5" path="res://src/game/milestone.gd" id="2_b83gw"]
+[ext_resource type="Script" uid="uid://c1i5gnht15x0e" path="res://src/world/world_manager.gd" id="1_i77rl"]
+[ext_resource type="Script" uid="uid://ufxoxupdvyd5" path="res://src/game/milestone.gd" id="2_c37ff"]
 
 [sub_resource type="Resource" id="Resource_h4r54"]
-script = ExtResource("2_b83gw")
+script = ExtResource("2_c37ff")
 name = "[no reward]"
 message = "Check the MANUAL for SWEET TIPZ
 from the GRUNKIN' MASTERS!"
@@ -20,7 +20,7 @@ fiesta = false
 metadata/_custom_type_script = "uid://ufxoxupdvyd5"
 
 [sub_resource type="Resource" id="Resource_b83gw"]
-script = ExtResource("2_b83gw")
+script = ExtResource("2_c37ff")
 name = "MP3 PLAYER"
 message = "MP3 PLAYER DECRYPTED. Enjoy some
 light music whilst you GRUNK."
@@ -36,7 +36,7 @@ fiesta = false
 metadata/_custom_type_script = "uid://ufxoxupdvyd5"
 
 [sub_resource type="Resource" id="Resource_o6um0"]
-script = ExtResource("2_b83gw")
+script = ExtResource("2_c37ff")
 name = "TOOTHBRUSH"
 message = "TOOTHBRUSH DECRYPTED.
 Enjoy teethbrushing in moderation!"
@@ -52,7 +52,7 @@ fiesta = false
 metadata/_custom_type_script = "uid://ufxoxupdvyd5"
 
 [sub_resource type="Resource" id="Resource_vebb4"]
-script = ExtResource("2_b83gw")
+script = ExtResource("2_c37ff")
 name = "BONUS TRACK"
 message = "BONUS TRACK DELIVERED
 [TODO]"
@@ -68,7 +68,7 @@ fiesta = false
 metadata/_custom_type_script = "uid://ufxoxupdvyd5"
 
 [sub_resource type="Resource" id="Resource_aolyc"]
-script = ExtResource("2_b83gw")
+script = ExtResource("2_c37ff")
 name = "WELLNESS SEMINAR"
 message = "SEMINAR DECRYPTED.
 The FUTURE of WELLNESS is TODAY!"
@@ -84,7 +84,7 @@ fiesta = false
 metadata/_custom_type_script = "uid://ufxoxupdvyd5"
 
 [sub_resource type="Resource" id="Resource_36cpv"]
-script = ExtResource("2_b83gw")
+script = ExtResource("2_c37ff")
 name = "EL TANK GRANDE"
 message = "\"EL TANK GRANDE\" DECRYPTED.
 GRUNK carrying capacity increased."
@@ -100,7 +100,7 @@ fiesta = false
 metadata/_custom_type_script = "uid://ufxoxupdvyd5"
 
 [sub_resource type="Resource" id="Resource_pfnwj"]
-script = ExtResource("2_b83gw")
+script = ExtResource("2_c37ff")
 name = "STICKER PACK"
 message = "NOW PRINTING... You can use
 STICKERS to EXPRESS your \"SELF\""
@@ -116,7 +116,7 @@ fiesta = false
 metadata/_custom_type_script = "uid://ufxoxupdvyd5"
 
 [sub_resource type="Resource" id="Resource_p7jc6"]
-script = ExtResource("2_b83gw")
+script = ExtResource("2_c37ff")
 name = "QUOTA"
 message = "QUOTA    SATISFIED.
 FINE WORK     GRUNKER   !"
@@ -132,7 +132,7 @@ fiesta = false
 metadata/_custom_type_script = "uid://ufxoxupdvyd5"
 
 [sub_resource type="Resource" id="Resource_2eyq5"]
-script = ExtResource("2_b83gw")
+script = ExtResource("2_c37ff")
 name = "???"
 message = "????? ?"
 bonus_track = false
@@ -147,7 +147,7 @@ fiesta = false
 metadata/_custom_type_script = "uid://ufxoxupdvyd5"
 
 [sub_resource type="Resource" id="Resource_2qxxw"]
-script = ExtResource("2_b83gw")
+script = ExtResource("2_c37ff")
 name = "taco fiesta"
 message = "ENJOY THE FIESTA        GRUNKER  !"
 bonus_track = false
@@ -161,9 +161,11 @@ mystery = false
 fiesta = true
 metadata/_custom_type_script = "uid://ufxoxupdvyd5"
 
-[node name="GameManager" type="Node"]
-script = ExtResource("1_08e4a")
-vault_milestones = Dictionary[int, ExtResource("2_b83gw")]({
+[resource]
+script = ExtResource("1_i77rl")
+grunk_tank_limit = 96000
+grunk_quota = 2000000
+vault_milestones = Dictionary[int, ExtResource("2_c37ff")]({
 0: SubResource("Resource_h4r54"),
 100000: SubResource("Resource_b83gw"),
 200000: SubResource("Resource_o6um0"),
@@ -180,5 +182,7 @@ vault_milestones = Dictionary[int, ExtResource("2_b83gw")]({
 4200000: SubResource("Resource_vebb4"),
 6400000: SubResource("Resource_2qxxw")
 })
-
-[connection signal="milestone_reached" from="." to="." method="_on_milestone"]
+mp3_player_unlocked = false
+toothbrush_unlocked = false
+stickers_unlocked = false
+metadata/_custom_type_script = "uid://c1i5gnht15x0e"