WIP: chaning save slot from 3 fixed slots to dynamic system

src/dev-util/savegame.gd

@@ -2,12 +2,11 @@
 class_name SaveGame extends Resource
 
 @export var filepath: String
-@export var save_slot_id: int 
-@export var unique_save_name: String = "frame_of_mind_save_slot_%d_%s_%s" % [save_slot_id, Time.get_date_string_from_system(), Time.get_time_string_from_system()]
+@export var unique_save_name: String = "frame_of_mind_%s_%s" % [Time.get_date_string_from_system(), Time.get_time_string_from_system()]
 @export var current_room: State.rooms = 0
 @export var mementos_complete: int = 0
 @export var board_state: Dictionary = {}
-var thumbnail: Image = Image.load_from_file("res://import/interface-elements/empty_save_slot.png")
+@export var thumbnail: Texture = preload("res://import/interface-elements/empty_save_slot.png")
 @export var last_saved: Dictionary = Time.get_datetime_dict_from_system()
 
 @export var is_save_file_valid: bool = false
@@ -19,12 +18,14 @@ func _validate_property(property: Dictionary):
 
 
 func _init(filepath = "") -> void:
+	
 	if filepath == "":
-		filepath = "usr://saves/%s" % unique_save_name
+		filepath = "%s/%s" % [State.user_saves_path, unique_save_name]
 		
 	read_save_file()
 
 func read_save_file():
+	
 	if FileAccess.file_exists("%s.json:" % filepath):
 		
 		
@@ -33,12 +34,12 @@ func read_save_file():
 		file.close()
 		var parsed: Dictionary = JSON.parse_string(raw_json)
 		
-		var tmp_img
-		if FileAccess.file_exists("%s.png" % filepath):
-			tmp_img = Image.load_from_file("%s.png" % filepath)
+		var tmp_img: Image
+		if FileAccess.file_exists("%s/thumbnails/%s.png" % [State.user_saves_path, filepath]):
+			tmp_img = Image.load_from_file("%s/thumbnails/%s.png" % [State.user_saves_path, filepath])
+	
 		
 		is_save_file_valid = (
-				save_slot_id is int and
 				unique_save_name is String and
 				current_room is int and
 				mementos_complete is int and
@@ -51,13 +52,12 @@ func read_save_file():
 		if is_save_file_valid:
 			for key in parsed.keys():
 				set(key, parsed[key])
-		
-			thumbnail = tmp_img
-
+			
+			if tmp_img != null:
+				thumbnail = ImageTexture.create_from_image(tmp_img)
 
 func _get_save_dict() -> Dictionary:
 	return {
-		"save_slot_id": save_slot_id,
 		"unique_save_name": unique_save_name,
 		"current_room": current_room,
 		"mementos_complete": mementos_complete,
@@ -65,14 +65,13 @@ func _get_save_dict() -> Dictionary:
 		"last_saved": last_saved
 	}
 
-
 func save_to_file(current_screen: Texture):
-	last_saved
+	last_saved = Time.get_datetime_dict_from_system()
 	
-	thumbnail = current_screen.get_image()
+	var thumbnail_image: Image = current_screen.get_image()
 	current_screen.resize(384, 261, Image.INTERPOLATE_LANCZOS)
 	
-	thumbnail.save_png("%s.png" % filepath)
+	thumbnail_image.save_png("%s/thumbnails/%s.png" % [State.user_saves_path, filepath])
 	
 	var file = FileAccess.open("%s.json:" % filepath, FileAccess.WRITE)
 	file.store_string(JSON.stringify(_get_save_dict()))

src/logic-scenes/main menu/save_game_display.gd

@@ -6,7 +6,7 @@ func _init(save: SaveGame, id: int) -> void:
 	add_child(base_container)
 	
 	var texture:= TextureRect.new()
-	texture.texture = ImageTexture.create_from_image(save.thumbnail)
+	texture.texture = save.thumbnail
 	texture.size_flags_vertical = Control.SIZE_SHRINK_CENTER
 	
 	base_container.add_child(texture)

src/logic-scenes/main menu/save_game_list.gd

@@ -9,27 +9,41 @@ var has_stage: bool = false:
 		visible = stage
 		save_buttons[0].grab_focus()
 
-@export var saves: Array[SaveGame] = [SaveGame.new(), SaveGame.new(), SaveGame.new()]
+@export var saves: Array[SaveGame]
 var save_buttons: Array[SaveGameDisplay]
 @export var update_display: bool:
 	set(value):
-		display()
+		load_games()
+var scroll_container: ScrollContainer
 
 var create_new_game: bool = false
 
 func _ready() -> void:
-	display()
+	load_games()
 
-func display():
-	for child in save_buttons:
-		child.free()
+func load_games():
+	var save_game_dir := DirAccess.open(State.user_saves_path)
+	var filepaths: PackedStringArray = save_game_dir.get_files()
 	
+	for path in filepaths:
+		if path.ends_with(".json"):
+			saves.append(SaveGame.new(path))
+	
+	saves.append(SaveGame.new())
+	
+	#purging the current state
 	save_buttons = []
+	if scroll_container != null:
+		scroll_container.free()
+	
+	scroll_container.horizontal_scroll_mode = ScrollContainer.SCROLL_MODE_DISABLED
+	add_child(scroll_container)
+	
 	
 	for i in range(saves.size()):
 		var new_button := SaveGameDisplay.new(saves[i], i+1)
+		scroll_container.add_child(new_button)
 		save_buttons.append(new_button)
-		add_child(new_button)
 		new_button.pressed.connect(func(): _on_game_picked(i))
 
 func _on_game_picked(id: int):
@@ -44,4 +58,14 @@ func _on_game_picked(id: int):
 
 func pick_slot(create_new_game: bool):
 	State.take_stage(self)
-	create_new_game = true
+	self.create_new_game = create_new_game
+
+func get_most_recent_save() -> SaveGame:
+	var most_recent_time := 0.0
+	var most_recent_index:int = 0
+	for i in range(saves.size()):
+		if Time.get_unix_time_from_datetime_dict(saves[i].last_saved) > most_recent_time and not saves[i].current_room == 0:
+			most_recent_index = i
+			most_recent_time = Time.get_unix_time_from_datetime_dict(saves[i].last_saved)
+			
+	return saves[most_recent_index] if most_recent_time > 0 else SaveGame.new(0)