Init

scripts/main.gd

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+extends Node3D
+
+@onready var track_generator: TrackGenerator = $TrackGenerator
+@onready var train: Train = $Train
+@onready var camera: TrainCamera = $TrainCamera
+
+@onready var speed_label : Label = $HUD/speed_label
+@onready var camera_label : Label = $HUD/camera_label
+@onready var distance_label : Label = $HUD/tripdistance_label
+@onready var total_distance_label : Label = $HUD/totaldistance_label
+@onready var auto_save_timer = $AutoSaveTimer
+
+var savegame_path: String = "user://savegame.save"
+
+
+func _ready() -> void:
+	
+	# caricamento stato gioco
+	##load_game()
+	# avvia autosaver
+	auto_save_timer.start()
+	
+	train.track_generator = track_generator
+	camera.train = train
+	
+	# Terreno
+	var ground = MeshInstance3D.new()
+	ground.name = "Ground"
+	var plane = PlaneMesh.new()
+	plane.size = Vector2(2000, 2000)
+	ground.mesh = plane
+	
+	var ground_mat = StandardMaterial3D.new()
+	ground_mat.albedo_color = Color(0.35, 0.48, 0.28)
+	ground_mat.roughness = 1.0
+	ground.material_override = ground_mat
+	ground.position.y = -0.15
+	add_child(ground)
+
+
+func _process(_delta: float) -> void:
+	_update_ui()
+	_update_ground()
+	
+	if Input.is_action_just_pressed("ui_cancel"):
+		get_tree().quit()
+
+
+func _update_ui() -> void:
+	if speed_label and train:
+		var kmh = train.get_speed() * 3.6
+		speed_label.text = "Velocità: %.0f km/h" % kmh
+	
+	if distance_label and train:
+		var km = train.distance_traveled / 1000.0
+		distance_label.text = "Distanza viaggio: %.2f km" % km
+
+	if total_distance_label and train and Gamestate:
+		Gamestate.AddToTotalDistance(train.distance_traveled)
+		var km = (Gamestate.getTotalDistance() / 1000) 
+		total_distance_label.text = "Distanza totale: %.2f km" % km
+		
+	if camera_label and camera:
+		camera_label.text = "Camera: %s" % camera.get_mode_name()
+
+
+func _update_ground() -> void:
+	var ground = get_node_or_null("Ground")
+	if ground and train:
+		var pos = train.get_locomotive_position()
+		ground.position.x = pos.x
+		ground.position.z = pos.z
+
+
+func save_game():
+	var save_file = FileAccess.open(savegame_path, FileAccess.WRITE)
+	var save_nodes = get_tree().get_nodes_in_group("state")
+	
+	for node in save_nodes:
+		if !node.has_method("save"):
+			continue
+		var node_data = node.call("save")  # ogni nodo implementa il suo save()
+		save_file.store_line(JSON.stringify(node_data))
+
+
+func load_game():
+	if not FileAccess.file_exists(savegame_path):
+		return  # nessun salvataggio trovato
+	
+	var existing_nodes = get_tree().get_nodes_in_group("state")
+	for node in existing_nodes:
+		node.queue_free()
+	
+	var save_file = FileAccess.open(savegame_path, FileAccess.READ)
+	while save_file.get_position() < save_file.get_length():
+		var json_string = save_file.get_line()
+		var node_data = JSON.parse_string(json_string)
+		
+		if node_data == null:
+			continue
+		
+		# Ricrea il nodo dalla scena salvata
+		var new_node = load(node_data["filename"]).instantiate()
+		
+		# Aggiungi al parent originale
+		get_node(node_data["parent"]).add_child(new_node)
+		
+		# Ripristina le proprietà
+		new_node.SetInitialValue(node_data["total_distance"])
+		##new_node.total_distance = new_node.initial_total_distance
+		
+		# Ripristina proprietà custom
+		for key in node_data.keys():
+			if key in ["filename", "parent", "total_distance"]:
+				continue
+			if key in new_node:
+				new_node.set(key, node_data[key])
+
+
+func _on_timer_timeout() -> void:
+	save_game()