Quest state is now properly saved.

model/save_game.gd

@@ -3,3 +3,4 @@ extends Resource
 
 @export var player_transform:Transform3D
 @export var player_name:String
+@export var quest_states:Dictionary

player.gd

@@ -6,7 +6,7 @@ const JUMP_VELOCITY = 2.5
 
 @onready var geometry = %Geometry
 @onready var actionable_detector = %ActionableDetector
-@onready var quest_state = %QuestState
+@onready var quest_state = %BuilderMissingTool
 @onready var bridge = %Bridge
 
 # Get the gravity from the project settings to be synced with RigidBody nodes.

project.godot

@@ -10,7 +10,7 @@ config_version=5
 
 [application]
 
-config/name="UIAndInteractionTests"
+config/name="TinyBuildAdventure"
 run/main_scene="res://scenes/game.tscn"
 config/features=PackedStringArray("4.2", "Forward Plus")
 config/icon="res://icon.svg"

root_ui.gd

@@ -18,7 +18,7 @@ func _ready():
 		var recipe:Recipe = load(resource_file) as Recipe
 		_all_recipes.append(recipe)
 	
-	set_root_ui_state(ROOT_UI_STATE.MENU)
+	set_root_ui_state(ROOT_UI_STATE.GAME)
 
 func activate_ui_panel(ui_panel:Control):
 	for control in ui_panels:

scenes/game.gd

@@ -5,6 +5,7 @@ extends Node3D
 @onready var message_textedit:TextEdit = %MessageTextEdit
 
 @onready var player = %Player
+@onready var builder_missing_tool = %BuilderMissingTool
 
 @onready var root_ui:RootUI = %RootUI
 
@@ -13,6 +14,13 @@ func save_game():
 	
 	save_game.player_transform = player.global_transform
 	
+	for node:Node in get_tree().get_nodes_in_group("quest_state"):
+		save_game.quest_states[node.name] = {}
+		
+		for property in node.get_property_list():
+			if (property.usage & PROPERTY_USAGE_STORAGE != 0) and (property.usage & PROPERTY_USAGE_SCRIPT_VARIABLE) != 0:
+				save_game.quest_states[node.name][property.name] = node.get(property.name)
+
 	ResourceSaver.save(save_game, "user://savegame.tres")
 	root_ui.activate_ui_panel(%GameUI)
 
@@ -21,5 +29,10 @@ func load_game():
 
 	player.global_transform = save_game.player_transform
 	
+	for node:Node in get_tree().get_nodes_in_group("quest_state"):
+		for property in node.get_property_list():
+			if (property.usage & PROPERTY_USAGE_STORAGE != 0) and (property.usage & PROPERTY_USAGE_SCRIPT_VARIABLE) != 0:
+				node.set(property.name, save_game.quest_states[node.name][property.name])
+	
 	root_ui.activate_ui_panel(%GameUI)
 

scenes/game.tscn

@@ -14,7 +14,7 @@
 [ext_resource type="PackedScene" uid="uid://cej0a41nm3eh7" path="res://assets/3rdparty/kenney/platformer-kit/Models/GLB format/mushrooms.glb" id="11_ytfwt"]
 [ext_resource type="PackedScene" uid="uid://kpyvcyklt68g" path="res://assets/scene_props/bridge.tscn" id="12_ybrl7"]
 [ext_resource type="Script" path="res://player.gd" id="13_2wo8v"]
-[ext_resource type="Script" path="res://model/quest_state.gd" id="14_g3xjj"]
+[ext_resource type="Script" path="res://quests/builder_missing_tool_quest.gd" id="14_g3xjj"]
 [ext_resource type="PackedScene" uid="uid://dy8vjf760prhq" path="res://assets/characters/rogue.tscn" id="15_2476h"]
 [ext_resource type="PackedScene" uid="uid://bo788o53t4rbq" path="res://scenes/startup_scene.tscn" id="16_7jwuc"]
 [ext_resource type="Script" path="res://root_ui.gd" id="16_winq7"]
@@ -138,7 +138,7 @@ transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, -0.375699, -0.115042, 0)
 [node name="BridgePart2" parent="GameScene/Bridge" instance=ExtResource("12_ybrl7")]
 transform = Transform3D(-4.37114e-08, 0, 1, 0, 1, 0, -1, 0, -4.37114e-08, 5.723, 0.0837148, -1.439)
 
-[node name="Player" type="CharacterBody3D" parent="GameScene" groups=["savable_nodes"]]
+[node name="Player" type="CharacterBody3D" parent="GameScene"]
 unique_name_in_owner = true
 script = ExtResource("13_2wo8v")
 
@@ -170,7 +170,9 @@ shape = SubResource("SphereShape3D_wrkyq")
 unique_name_in_owner = true
 transform = Transform3D(1, 0, 0, 0, 0.460138, 0.887848, 0, -0.887848, 0.460138, 0, 2.91421, 1.186)
 
-[node name="QuestState" type="Node" parent="GameScene/Player"]
+[node name="Quests" type="Node" parent="GameScene"]
+
+[node name="BuilderMissingTool" type="Node" parent="GameScene/Quests" groups=["quest_state"]]
 unique_name_in_owner = true
 script = ExtResource("14_g3xjj")