core/game_state/save_game_data.gd

@@ -1,13 +1,17 @@
 class_name SaveGameData
 extends Resource
 
-var unlocked_collectibles_ids: Array[String] = []
+var unlocked_collectibles_ids: Array[StringName] = []
 var saved_photos: Array[String] = []
 var audio_bus_volumes: Dictionary[String, float] = {}
 
 func to_dictionary() -> Dictionary:
+	var serialized_collectible_ids: Array[String] = []
+	for collectible_id in unlocked_collectibles_ids:
+		serialized_collectible_ids.append(str(collectible_id))
+
 	return {
-		"unlocked_collectibles_ids": unlocked_collectibles_ids,
+		"unlocked_collectibles_ids": serialized_collectible_ids,
 		"saved_photos": saved_photos,
 		"audio_bus_volumes": audio_bus_volumes,
 	}
@@ -17,7 +21,7 @@ static func from_dictionary(data: Dictionary) -> SaveGameData:
 
 	if data.has("unlocked_collectibles_ids"):
 		for collectible_id in data["unlocked_collectibles_ids"]:
-			save_game_data.unlocked_collectibles_ids.append(str(collectible_id))
+			save_game_data.unlocked_collectibles_ids.append(StringName(str(collectible_id)))
 
 	if data.has("saved_photos"):
 		for photo_path in data["saved_photos"]:

core/photo_mode/data/collectible_library.tres

@@ -6,21 +6,21 @@
 
 [sub_resource type="Resource" id="Resource_3cgvf"]
 script = ExtResource("1_3cgvf")
-id = "cane"
+id = &"cane"
 title = "Cane"
 image = ExtResource("2_pxmdy")
 metadata/_custom_type_script = "uid://bj34o0org55ei"
 
 [sub_resource type="Resource" id="Resource_ggu10"]
 script = ExtResource("1_3cgvf")
-id = "gatto"
+id = &"gatto"
 title = "Gatto"
 image = ExtResource("2_pxmdy")
 metadata/_custom_type_script = "uid://bj34o0org55ei"
 
 [sub_resource type="Resource" id="Resource_pxmdy"]
 script = ExtResource("1_3cgvf")
-id = "farfalla"
+id = &"farfalla"
 title = "Farfalla"
 image = ExtResource("2_pxmdy")
 metadata/_custom_type_script = "uid://bj34o0org55ei"

core/photo_mode/data/collectible_resource.gd

@@ -1,6 +1,6 @@
 class_name CollectibleResource
 extends Resource
 
-@export var id: String
+@export var id: StringName
 @export var title: String
 @export var image: Texture2D

core/photo_mode/managers/collection_manager.gd

@@ -1,17 +1,17 @@
 extends Node
 
-signal on_collectible_unlocked(collectible_id: String)
+signal on_collectible_unlocked(collectible_id: StringName)
 signal on_photo_saved(filePath: String)
 
 var collectibles_library: CollectibleLibrary = preload("res://core/photo_mode/data/collectible_library.tres")
 
-var unlocked_collectibles_ids: Array[String] = []
+var unlocked_collectibles_ids: Array[StringName] = []
 var saved_photos: Array[String] = []
 
 func _ready() -> void:
 	load_save_data()
 
-func unlock_collectible(collectible_id: String) -> void:
+func unlock_collectible(collectible_id: StringName) -> void:
 	if not collectible_id in unlocked_collectibles_ids:
 		var new_collectible = get_collectible_by_id(collectible_id)
 		if new_collectible:
@@ -19,7 +19,7 @@ func unlock_collectible(collectible_id: String) -> void:
 			sync_save_data()
 			on_collectible_unlocked.emit(collectible_id)
 
-func get_collectible_by_id(id: String) -> CollectibleResource:
+func get_collectible_by_id(id: StringName) -> CollectibleResource:
 	for collectible in collectibles_library.collectibles:
 		if collectible.id == id:
 			return collectible
@@ -28,7 +28,7 @@ func get_collectible_by_id(id: String) -> CollectibleResource:
 func get_all_collectibles() -> Array[CollectibleResource]:
 	return collectibles_library.collectibles
 
-func get_unlocked_collectible_ids() -> Array[String]:
+func get_unlocked_collectible_ids() -> Array[StringName]:
 	return unlocked_collectibles_ids
 
 func save_photo_to_disk_async() -> void:
@@ -55,6 +55,6 @@ func load_save_data() -> void:
 	saved_photos = GameState.save_data.saved_photos.duplicate()
 
 	if unlocked_collectibles_ids.is_empty() and saved_photos.is_empty():
-		unlocked_collectibles_ids.append("cane")
+		unlocked_collectibles_ids.append(&"cane")
 
 	sync_save_data()

core/photo_mode/ui/collectible_gallery.gd

@@ -20,7 +20,7 @@ func setup() -> void:
 		if unlocked_collectible_ids.has(collectible.id):
 			_unlock_collectible(collectible.id)
 
-func on_collectible_unlocked(collectible_id: String) -> void:
+func on_collectible_unlocked(collectible_id: StringName) -> void:
 	_unlock_collectible(collectible_id)
 
 func _add_collectible(collectible: CollectibleResource) -> void:
@@ -28,7 +28,7 @@ func _add_collectible(collectible: CollectibleResource) -> void:
 		collectible_ui.setup(collectible)
 		grid_container.add_child(collectible_ui)
 
-func _unlock_collectible(collectible_id: String) -> void:
+func _unlock_collectible(collectible_id: StringName) -> void:
 	for collectible_ui in grid_container.get_children():
 		if collectible_ui.collectible_resource.id == collectible_id:
 			collectible_ui.unlock()

docs/museums/photo_mode/museum_photo_mode.tscn

@@ -17,7 +17,7 @@ size = Vector3(1.9942131, 0.09710693, 1.984024)
 
 [sub_resource type="Resource" id="Resource_ynvi2"]
 script = ExtResource("3_hh1ka")
-id = "gatto"
+id = &"gatto"
 title = "Gatto"
 image = ExtResource("4_fan5s")
 metadata/_custom_type_script = "uid://bj34o0org55ei"