add train control game

scripts/engine.gd

@@ -0,0 +1,9 @@
+extends PathFollow3D
+class_name TrainEngine
+
+@onready var train: MeshInstance3D = $Train
+
+
+func _physics_process(delta: float) -> void:
+	if train:
+		progress += train.current_speed * delta

scripts/engine.gd.uid

@@ -0,0 +1 @@
+uid://ck4j0pekoofm1

scripts/main.gd

@@ -1,128 +1,15 @@
-extends Node3D
+extends Control
 
-@onready var track_generator: TrackGenerator = $TrackGenerator
-@onready var train: Train = $Train
-@onready var camera: TrainCamera = $TrainCamera
+var train_journey: String = "res://scenes/trainjourney.tscn"
+var train_control: String = "res://scenes/train_control.tscn"
 
-@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 time_label : Label = $HUD/triptime_label
-@onready var totaltime_label : Label = $HUD/totaltime_label
-@onready var auto_save_timer = $AutoSaveTimer
-@onready var trip_timer = $TripTime
-
-var savegame_path: String = "user://savegame.save"
-var total_time_in_secs : int = 0
-
-
-func _ready() -> void:
-	# caricamento stato gioco
-	load_game()
-
-	# avvia autosaver
-	auto_save_timer.start()
-	# time
-	trip_timer.start()
-
-	train.track_generator = track_generator
-	camera.train = train
+func _on_train_journey_pressed() -> void:
+	SceneSwitcher.switch_scene(train_journey)
 	
-	# 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 _on_train_control_pressed() -> void:
+	SceneSwitcher.switch_scene(train_control)
 
 
-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:
-		Gamestate.total_distance = train.distance_traveled
-		var km = (Gamestate.total_distance + Gamestate.initial_distance) / 1000
-		total_distance_label.text = "Distanza totale: %.2f km" % km
-
-	if time_label and train:
-		var h = int(total_time_in_secs / 3600.0)
-		var m = int(total_time_in_secs / 60.0)
-		var s = total_time_in_secs - m * 60		
-		time_label.text = "Tempo viaggio: %02d:%02d:%02d" % [h, m, s]
-	
-	if totaltime_label and train:
-		Gamestate.total_time = total_time_in_secs
-		var tot = Gamestate.total_time + Gamestate.initial_time
-		var h = int(tot / 3600.0)
-		var m = int(tot / 60.0)
-		var s = tot - m * 60		
-		totaltime_label.text = "Tempo totale: %02d:%02d:%02d" % [h, m, s]
-		
-	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("save_data")
-	
-	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 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
-		
-		if node_data["filename"] == "res://scenes/gamestate.tscn" and node_data["parent"] == "/root":
-			Gamestate.SetInitialValue(node_data["total_distance"], node_data["total_time"])
-
-
-func _on_timer_timeout() -> void:
-	save_game()
-
-
-func _on_trip_time_timeout() -> void:
-	total_time_in_secs += 1
-	
+func _on_exit_pressed() -> void:
+	get_tree().quit()

scripts/main.gd.uid

@@ -1 +1 @@
-uid://dfyo0h5yj3us8
+uid://cfjaa6hq1wpvd

scripts/scene_switcher.gd

@@ -0,0 +1,19 @@
+extends Node
+
+var current_scene = null
+
+func _ready() -> void:
+	var root = get_tree().root
+	current_scene = root.get_child(root.get_child_count() - 1)
+	
+
+func switch_scene(res_path):
+	call_deferred("_deferred_switch_scene", res_path)
+
+
+func _deferred_switch_scene(res_path):
+	current_scene.free()
+	var scene = load(res_path)
+	current_scene = scene.instantiate()
+	get_tree().root.add_child(current_scene)
+	get_tree().current_scene = current_scene

scripts/scene_switcher.gd.uid

@@ -0,0 +1 @@
+uid://d2l3yysmy5q1t

scripts/train_movement.gd

@@ -0,0 +1,31 @@
+extends MeshInstance3D
+
+signal speed_changed(new_speed: float)
+
+@export_group("Train")
+@export var base_speed: float = 15.0
+@export var max_speed: float = 50.0
+@export var min_speed: float = 3.0
+@export var acceleration: float = 12.0
+
+var current_speed: float = 15.0
+
+func _ready() -> void:
+	current_speed = base_speed
+
+
+func _process(delta: float) -> void:
+	_handle_input(delta)
+
+
+func _handle_input(delta: float) -> void:
+	if Input.is_action_pressed("speed_up"):
+		current_speed = min(current_speed + acceleration * delta, max_speed)
+		speed_changed.emit(current_speed)
+	elif Input.is_action_pressed("speed_down"):
+		current_speed = max(current_speed - acceleration * delta, min_speed)
+		speed_changed.emit(current_speed)
+
+
+func get_speed() -> float:
+	return current_speed

scripts/train_movement.gd.uid

@@ -0,0 +1 @@
+uid://df2oi5vyeak81

scripts/traincontrol.gd

@@ -0,0 +1,24 @@
+extends Node3D
+@export var main_scene: PackedScene
+
+@onready var speed_label : Label = $HUD/speed_label
+@onready var camera_label : Label = $HUD/camera_label
+@onready var train: MeshInstance3D = $Ground/Rails/TrainEngine/Train
+@onready var camera: TrainControlCamera = $TrainCamera
+
+
+func _process(_delta: float) -> void:
+	_update_ui()
+	
+	if Input.is_action_just_pressed("ui_cancel"):
+		SceneSwitcher.switch_scene(main_scene.resource_path)
+
+
+
+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 camera_label and camera:
+		camera_label.text = "Camera: %s" % camera.get_mode_name()

scripts/traincontrol.gd.uid

@@ -0,0 +1 @@
+uid://ckndmko4orxx

scripts/traincontrol_camera.gd

@@ -0,0 +1,127 @@
+extends Camera3D
+class_name TrainControlCamera
+
+@export var train: Node3D
+enum CameraMode { FOLLOW, SIDE, TOP, COCKPIT, CINEMATIC }
+
+@export_group("Camera")
+@export var follow_distance: float = 18.0
+@export var follow_height: float = 7.0
+@export var smoothness: float = 4.0
+
+var mode: CameraMode = CameraMode.FOLLOW
+var orbit_angle: float = 0.0
+var cinematic_angle: float = 0.0
+
+
+func _process(delta):
+	_handle_input(delta)
+	
+	match mode:
+		CameraMode.FOLLOW:
+			_update_follow(delta)
+		CameraMode.SIDE:
+			_update_side(delta)
+		CameraMode.TOP:
+			_update_top(delta)
+		CameraMode.COCKPIT:
+			_update_cockpit(delta)
+		CameraMode.CINEMATIC:
+			_update_cinematic(delta)
+			
+				
+func _handle_input(delta: float) -> void:
+	if Input.is_action_just_pressed("ui_accept"):
+		mode = ((mode + 1) % CameraMode.size()) as CameraMode
+		orbit_angle = 0.0
+	
+	if Input.is_action_pressed("camera_left"):
+		orbit_angle -= 2.0 * delta
+	elif Input.is_action_pressed("camera_right"):
+		orbit_angle += 2.0 * delta
+	
+	orbit_angle = clamp(orbit_angle, -PI/2.5, PI/2.5)
+
+
+func _update_follow(delta: float) -> void:
+	if not train:
+		return
+	
+	var train_pos = train.global_position
+	var forward = -train.global_transform.basis.z
+	var right = train.global_transform.basis.x
+	
+	var rotated = forward * cos(orbit_angle) + right * sin(orbit_angle)
+	var target_pos = train_pos - rotated * follow_distance + Vector3.UP * follow_height
+	var target_look = train_pos + Vector3.UP * 2.0
+	
+	global_position = global_position.lerp(target_pos, smoothness * delta)
+	look_at(target_look, Vector3.UP)
+
+
+func _update_side(delta: float) -> void:
+	if not train:
+		return
+
+	var train_pos = train.global_position
+	var right = train.global_transform.basis.x
+	
+	var side_dir = sign(orbit_angle) if abs(orbit_angle) > 0.1 else 1.0
+	var target_pos = train_pos + right * 12.0 * side_dir + Vector3.UP * 4.0
+	
+	global_position = global_position.lerp(target_pos, smoothness * delta)
+	look_at(train_pos + Vector3.UP * 1.5, Vector3.UP)
+
+
+func _update_top(delta: float) -> void:
+	if not train:
+		return
+
+	var train_pos = train.global_position
+	var target_pos = train_pos + Vector3.UP * 35.0
+	
+	global_position = global_position.lerp(target_pos, smoothness * delta)
+	look_at(train_pos, Vector3.FORWARD)
+
+
+func _update_cockpit(delta: float) -> void:
+	if not train:
+		return
+
+	# Offset: dentro la cabina
+	var cockpit_pos = train.global_position + train.global_transform.basis * Vector3(0, 3.2, 1.5)
+	var forward_point = train.global_position - (-train.global_transform.basis.z) * 40.0
+	
+	var look_offset = train.global_transform.basis.x * orbit_angle * 15.0
+	
+	global_position = global_position.lerp(cockpit_pos, smoothness * 2.0 * delta)
+	look_at(forward_point + look_offset + Vector3.UP * 1.0, Vector3.UP)
+
+
+func _update_cinematic(delta: float) -> void:
+	if not train:
+		return
+
+	var train_pos = train.global_position
+	
+	cinematic_angle += 0.25 * delta
+	
+	var offset = Vector3(
+		cos(cinematic_angle) * 22.0,
+		8.0 + sin(cinematic_angle * 0.5) * 4.0,
+		sin(cinematic_angle) * 22.0
+	)
+	
+	var target_pos = train_pos + offset
+	global_position = global_position.lerp(target_pos, smoothness * 0.4 * delta)
+	look_at(train_pos + Vector3.UP * 1.5, Vector3.UP)
+
+
+func get_mode_name() -> String:
+	match mode:
+		CameraMode.FOLLOW: return "Segue"
+		CameraMode.SIDE: return "Laterale"
+		CameraMode.TOP: return "Alto"
+		CameraMode.COCKPIT: return "Prima persona"
+		CameraMode.CINEMATIC: return "Cinematica"
+	return "Sconosciuta"

scripts/traincontrol_camera.gd.uid

@@ -0,0 +1 @@
+uid://b65vwus8xxmun

scripts/trainjourney.gd

@@ -0,0 +1,129 @@
+extends Node3D
+
+@onready var track_generator: TrackGenerator = $TrackGenerator
+@onready var train: Train = $Train
+@onready var camera: TrainJourneyCamera = $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 time_label : Label = $HUD/triptime_label
+@onready var totaltime_label : Label = $HUD/totaltime_label
+@onready var auto_save_timer = $AutoSaveTimer
+@onready var trip_timer = $TripTime
+
+var savegame_path: String = "user://savegame.save"
+var total_time_in_secs : int = 0
+@export var main_scene: PackedScene
+
+
+func _ready() -> void:
+	# caricamento stato gioco
+	load_game()
+
+	# avvia autosaver
+	auto_save_timer.start()
+	# time
+	trip_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"):
+		SceneSwitcher.switch_scene(main_scene.resource_path)
+
+
+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:
+		Gamestate.total_distance = train.distance_traveled
+		var km = (Gamestate.total_distance + Gamestate.initial_distance) / 1000
+		total_distance_label.text = "Distanza totale: %.2f km" % km
+
+	if time_label and train:
+		var h = int(total_time_in_secs / 3600.0)
+		var m = int(total_time_in_secs / 60.0)
+		var s = total_time_in_secs - m * 60		
+		time_label.text = "Tempo viaggio: %02d:%02d:%02d" % [h, m, s]
+	
+	if totaltime_label and train:
+		Gamestate.total_time = total_time_in_secs
+		var tot = Gamestate.total_time + Gamestate.initial_time
+		var h = int(tot / 3600.0)
+		var m = int(tot / 60.0)
+		var s = tot - m * 60		
+		totaltime_label.text = "Tempo totale: %02d:%02d:%02d" % [h, m, s]
+		
+	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("save_data")
+	
+	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 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
+		
+		if node_data["filename"] == "res://scenes/gamestate.tscn" and node_data["parent"] == "/root":
+			Gamestate.SetInitialValue(node_data["total_distance"], node_data["total_time"])
+
+
+func _on_timer_timeout() -> void:
+	save_game()
+
+
+func _on_trip_time_timeout() -> void:
+	total_time_in_secs += 1
+	

scripts/trainjourney.gd.uid

@@ -0,0 +1 @@
+uid://dfyo0h5yj3us8

scripts/trainjourney_camera.gd

@@ -1,5 +1,5 @@
 extends Camera3D
-class_name TrainCamera
+class_name TrainJourneyCamera
 
 enum CameraMode { FOLLOW, SIDE, TOP, COCKPIT, CINEMATIC }