Add check availability of a map

scripts/Networking.gd

@@ -1,6 +1,6 @@
 extends Node
-var player_script := preload("res://scripts/Player.gd")
 
+var player_script := preload("res://scripts/Player.gd")
 var server_map
 @onready var Weapons = GameData.Weapons
 var player_model = preload("res://scenes/models/player.tscn")
@@ -14,6 +14,10 @@ var map_root_name
 var spawnpoints_os = []
 var spawnpoints_cs = []
 
+var cs_score = 0
+var os_score = 0
+var round_number = 0
+
 func parse_arguments():
 	var arguments = {}
 	for argument in OS.get_cmdline_args():
@@ -26,6 +30,15 @@ func parse_arguments():
 			arguments[argument.lstrip("--")] = ""
 	return arguments
 
+func check_map_availability(path):
+	var maps = DirAccess.open("res://scenes/maps").get_files()
+	for map in maps:
+		var map_name = str(map.split(".")[0])
+		print(map_name + " " + map_root_name)
+		if(map_root_name == map_name):
+			return true
+	return false
+
 func _ready():
 	var arguments = parse_arguments()
 	if "--server" in OS.get_cmdline_args():
@@ -34,10 +47,19 @@ func _ready():
 			map_root_name = str(arguments["map"])
 			path = "res://scenes/maps/" + str(arguments["map"]) + ".tscn"
 		else:
-			map_root_name = "OffisMi"
-			path = "res://scenes/maps/OffisMi.tscn"
-		StartServer(path)
-		map_path = path
+			map_root_name = "training"
+			path = "res://scenes/maps/training.tscn"
+		
+		if (check_map_availability(path)):
+			map_path = path
+		else:
+			print("Unknown map. Available maps:")
+			for map in DirAccess.open("res://scenes/maps").get_files():
+				print(str(map.split(".")[0]))
+			get_tree().quit()
+			return
+			
+		StartServer(map_path)
 #######################################SERVER####################################
 
 func find_playermodel_by_internal_id(internal_id):