adapted monster structure and save game

globals/inventory.gd

@@ -11,9 +11,11 @@ func _ready() -> void:
 	setup_new_inventory()
 
 func setup_new_inventory() -> void:
-	var stats = MonsterStats.new()
-	stats.manual_init("Bat", 2)
-	monsters.append(stats)
+	var data = MonsterData.new()
+	data.set_data("debuggy", {}, 5)
+	print("After setting it in inventory: ", data.display_name)
+	
+	monsters.append(data)
 	# debug timeout to wait for the debug UI
 	await get_tree().create_timer(2.0).timeout
 	inventory_changed.emit()

globals/save_game.gd

@@ -0,0 +1,73 @@
+extends Node
+# save_game.gd - Responsible for saving and loading the game using a SaveData resource
+
+const SAVE_GAME_PATH := "user://savegame.save"
+const VERSION: int = 1
+
+# List all the nodes and resouces to save
+var save_data: Resource = SaveData.new()
+
+func save() -> void:
+	var save_file = FileAccess.open(SAVE_GAME_PATH, FileAccess.WRITE)
+	
+	# Save the meta data like save game version and timestamps
+	var meta_data = {
+		"meta": {
+			"version" : VERSION,
+			"timestamp" : Time.get_datetime_string_from_system()
+		}
+	}
+	var meta_json_string = JSON.stringify(meta_data)
+	save_file.store_line(meta_json_string)
+	
+	# for now, only save the savedata resource from above
+	if !save_data.has_method("save"):
+		print("Resource '%s' is missing a save() function, skipped" %save_data.resource_name)
+		return
+
+	# Call the node's / resource's save function
+	var node_data = save_data.call("save")
+	
+	# Serialize the JSON string
+	var json_string = JSON.stringify(node_data)
+	
+	# Store the save dictionary as a new line in the save file
+	save_file.store_line(json_string)
+
+func load() -> void:
+	if not FileAccess.file_exists(SAVE_GAME_PATH):
+		print("No save file exists.")
+		return
+	
+	# Load the save file line by line and process the dictionary to restore
+	# the object it represents
+	var save_file = FileAccess.open(SAVE_GAME_PATH, FileAccess.READ)
+	while save_file.get_position() < save_file.get_length():
+		var json_string = save_file.get_line()
+		
+		# Creates the helper class to interact with JSON
+		var json = JSON.new()
+		
+		# Check if there is any error while parsing the JSON string, skip in case of failure
+		var parse_result = json.parse(json_string)
+		if not parse_result == OK:
+			print("JSON Parse Error: ", json.get_error_message(), " in ", json_string, " at line", json.get_error_line())
+			continue
+		
+		# Get the data from the JSON object
+		var node_data = json.get_data()
+		
+		# handle the player data (name, money, etc.)
+		if node_data.has("player_data"):
+			print("save_game.gd: ", node_data)
+		
+		# Firstly, we need to create the object and add it to the tree and set its position.
+		#var new_object = load(node_data["filename"]).instantiate()
+		#get_node(node_data["parent"]).add_child(new_object)
+		#new_object.position = Vector2(node_data["pos_x"], node_data["pos_y"])
+
+		# Now we set the remaining variables.
+		#for i in node_data.keys():
+		#	if i == "filename" or i == "parent" or i == "pos_x" or i == "pos_y":
+		#		continue
+		#	new_object.set(i, node_data[i])