GAME_DATA.gd

extends Node

const src_path : String = "res://game_data";

var data : Dictionary = {}

func _init():
	print("initialize_game_data")
	load_data_from_files(src_path)
	

func load_data_from_files(_path : String):
	var dir : Directory = Directory.new();
	assert(dir.open(_path) == OK);
	assert(dir.list_dir_begin() == OK);
	var file_name : String = dir.get_next();
	while (file_name != ""):
		if (file_name == "."):
			pass;
		elif (file_name == ".."):
			pass;
		elif dir.current_is_dir():
			load_data_from_files(_path + "/" + file_name);
		else:
			if(file_name.get_extension().to_lower() == "json"):
				read_file(_path + "/" + file_name);
		file_name = dir.get_next();
		

func read_file(_path : String):
	var f : File = File.new();
	
	# Get data name from folder
	var data_name : String = _path.get_base_dir().get_file()
	if !data.keys().has(data_name):
		data[data_name] = {};
	
	assert(f.open(_path, f.READ) == OK)
	var content = f.get_as_text();
	# All files are arrays of one or many objects
	var dict : Array = parse_json(content);
	# Stores data on main dictionary
	for obj in dict:
		data[data_name][obj.id] = obj;
	

func filter_data (source_dict : Dictionary, filter : Dictionary):
	var result : Dictionary = {}
	for src_key in source_dict.keys():
		var valid : bool = true;
		for f_key in filter.keys():
			if (!source_dict[src_key].keys().has(f_key)):
				valid = false;
				break;
			elif (source_dict[src_key][f_key] != filter[f_key]):
				valid = false;
				break;
		if (valid):
			result[src_key] = source_dict[src_key]
	return result