Godot project with a few initial classes

State
State machine
Log resource
Lesson logger
Game globals

.gitattributes

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+# Normalize EOL for all files that Git considers text files.
+* text=auto eol=lf

.gitignore

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+# Godot 4+ specific ignores
+.godot/

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icon.svg.import

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+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://jl4sirrpr1l1"
+path="res://.godot/imported/icon.svg-218a8f2b3041327d8a5756f3a245f83b.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
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+dest_files=["res://.godot/imported/icon.svg-218a8f2b3041327d8a5756f3a245f83b.ctex"]
+
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project.godot

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+; Engine configuration file.
+; It's best edited using the editor UI and not directly,
+; since the parameters that go here are not all obvious.
+;
+; Format:
+;   [section] ; section goes between []
+;   param=value ; assign values to parameters
+
+config_version=5
+
+_global_script_classes=[{
+"base": "Node",
+"class": &"GameGlobalData",
+"language": &"GDScript",
+"path": "res://sources/utils/autoloads/game_globals.gd"
+}, {
+"base": "Resource",
+"class": &"LogResource",
+"language": &"GDScript",
+"path": "res://sources/utils/minigame_resources/log.gd"
+}, {
+"base": "Node",
+"class": &"Logger",
+"language": &"GDScript",
+"path": "res://sources/utils/autoloads/lesson_logger.gd"
+}, {
+"base": "Node",
+"class": &"State",
+"language": &"GDScript",
+"path": "res://sources/utils/state_machine/state.gd"
+}, {
+"base": "Node",
+"class": &"StateMachine",
+"language": &"GDScript",
+"path": "res://sources/utils/state_machine/state_machine.gd"
+}]
+_global_script_class_icons={
+"GameGlobalData": "",
+"LogResource": "",
+"Logger": "",
+"State": "",
+"StateMachine": ""
+}
+
+[application]
+
+config/name="Kalulu"
+config/features=PackedStringArray("4.0", "Forward Plus")
+config/icon="res://icon.svg"
+
+[autoload]
+
+GameGlobals="*res://sources/utils/autoloads/game_globals.gd"
+LessonLogger="*res://sources/utils/autoloads/lesson_logger.gd"
+
+[display]
+
+window/size/viewport_width=2560
+window/size/viewport_height=1800
+window/size/window_width_override=1280
+window/size/window_height_override=900

sources/utils/autoloads/game_globals.gd

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+extends Node
+class_name GameGlobalData
+
+var language: = "French"
+var teacher_id: = ""
+var user_id: = ""
+
+var minigame_difficulty: = 0
+var lesson_difficulty: = 0

sources/utils/autoloads/lesson_logger.gd

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+extends Node
+class_name Logger
+
+const log_resource_class: = preload("res://sources/utils/minigame_resources/log.gd")
+
+var log_resources: = {}
+
+
+func save_logs(logs: Dictionary, teacher_id: String, user_id: String, minigame_name: String, lesson: String, time: String) -> void:
+	var file_path: = "user://" + teacher_id + "/" + user_id + "/" + minigame_name + ".tres"
+	
+	if not ResourceLoader.exists(file_path):
+		var log_resource: LogResource = log_resource_class.instance()
+		ResourceSaver.save(log_resource, file_path, ResourceSaver.FLAG_COMPRESS)
+	
+	if not file_path in log_resources:
+		var log_resource: = ResourceLoader.load(file_path)
+		log_resources[file_path] = log_resource
+	
+	if not log_resources[file_path].has(lesson):
+		log_resources[file_path][lesson] = {}
+	
+	if not log_resources[file_path][lesson].has(time):
+		log_resources[file_path][lesson][time] = logs
+	else:
+		var i: = 0
+		while log_resources[file_path][lesson].has(time + "_" + str(i)):
+			i += 1
+		log_resources[file_path][lesson][time + "_" + str(i)] = logs
+	
+	ResourceSaver.save(log_resources[file_path], file_path, ResourceSaver.FLAG_COMPRESS)

sources/utils/minigame_resources/log.gd

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+extends Resource
+class_name LogResource
+
+@export var logs: = {}

sources/utils/state_machine/state.gd

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+extends Node
+class_name State
+
+@export var can_be_previous: = true
+
+var state_machine: StateMachine
+
+
+func _init() -> void:
+	add_to_group("state")
+
+
+func enter_state(_msg: Dictionary = {}) -> void:
+	pass
+
+
+func exit_state() -> void:
+	pass
+
+
+func state_process(_delta: float) -> void:
+	pass
+
+
+func state_physics_process(_delta: float) -> void:
+	pass
+
+
+func state_unhandled_input(_event: InputEvent) -> void:
+	pass
+
+
+func go_to_state(state_path: String, msg: Dictionary = {}) -> void:
+	state_machine.go_to_state(state_path, msg)

sources/utils/state_machine/state_machine.gd

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+extends Node
+class_name StateMachine
+
+signal state_changed(state_path, msg)
+
+@export_node_path(Node) var initial_state_path: NodePath
+
+var state: State = null
+var current_msg: = {}
+var previous_state: State = null
+var previous_msg: = {}
+var _is_active: = false
+var is_active: = false:
+	get: return _get_is_active()
+	set(value): _set_is_active(value)
+
+
+func _ready() -> void:
+	self.is_active = false
+	
+	var children: = get_children()
+	for node in children:
+		children.append_array(node.get_children())
+		if node is State:
+			node.state_machine = self
+
+
+func start() -> void:
+	go_to_state(initial_state_path)
+	self.is_active = true
+
+
+func _process(delta: float) -> void:
+	if state:
+		state.state_process(delta)
+
+
+func _physics_process(delta: float) -> void:
+	if state:
+		state.state_physics_process(delta)
+
+
+func _unhandled_input(event: InputEvent) -> void:
+	if state:
+		state.state_unhandled_input(event)
+
+
+func go_to_state(state_path: String, msg:= {}):
+	var new_state: State = null
+	if state_path == "Previous":
+		if previous_state == null:
+			push_error("No previous state at this point")
+			return
+		new_state = previous_state
+		for key in previous_msg.keys():
+			if not msg.has(key):
+				msg[key] = previous_msg[key]
+	else:
+		if not has_node(state_path):
+			push_error("State not found :" + state_path)
+			return
+		new_state = get_node(state_path)
+	
+	if state and state.can_be_previous:
+		previous_msg = current_msg
+		previous_state = state
+	
+	if state:
+		state.exit_state()
+	
+	self.state = new_state
+	state.enter_state(msg)
+	current_msg = msg
+	
+	emit_signal("state_changed", state_path, msg)
+
+
+func _set_is_active(value: bool) -> void:
+	_is_active = value
+	
+	set_process(value)
+	set_physics_process(value)
+	set_process_unhandled_input(value)
+
+
+func _get_is_active() -> bool:
+	return _is_active