add gamestate, doc and fix

core/photo_mode/photo_mode_controller.gd

@@ -10,7 +10,7 @@ extends Node3D
 @export_group("Ref")
 @export var rotation_target: Node3D
 
-@onready var camera: Camera3D = $Camera3D
+@onready var camera: Camera3D = $%Camera3D
 
 var total_yaw: float = 0.0  
 var total_pitch: float = 0.0 
@@ -29,6 +29,8 @@ func _unhandled_input(event: InputEvent) -> void:
 	if event.is_action_pressed("toggle_photo_mode"):
 		is_active = !is_active
 		
+		get_tree().paused = is_active
+		
 		if !is_active:
 			Input.set_mouse_mode(Input.MOUSE_MODE_VISIBLE)
 		else:
@@ -38,7 +40,7 @@ func _unhandled_input(event: InputEvent) -> void:
 		total_yaw -= event.relative.x * rotation_speed
 	
 	if event.is_action_pressed("take_photo"):
-		take_photo()
+		take_photo_async()
 
 func _process(delta: float) -> void:
 	if not rotation_target:
@@ -66,13 +68,15 @@ func _process(delta: float) -> void:
 	global_position = orbit_pos + final_pan_offset
 	global_basis = rot_basis
 
-func take_photo() -> void:
+func take_photo_async() -> void:
 	if !is_active:
 		return
 		
 	var targets = get_tree().get_nodes_in_group("collectible")
 	var space_state = get_world_3d().direct_space_state
 	
+	await CollectionManager.save_photo_to_disk_async()
+	
 	for target in targets:
 		if not target.collectible_data:
 			continue
@@ -85,5 +89,6 @@ func take_photo() -> void:
 			var result = space_state.intersect_ray(query)
 			
 			if result and result.collider == target:
-				CollectionManager.unlock_photo(target.collectible_data.id)
-				print("Foto scattata a: ", target.collectible_data.id)
+				CollectionManager.unlock_collectible(target.collectible_data.id)
+	
+	GameState.save_game()