M2.3: the shared world (trees, pickups, pieces, chests, fires, doors, graves, clock on the server)

tests/test_net_world.gd

@@ -252,10 +252,13 @@ func _result(path: String) -> Dictionary:
 func _sleep(s: float) -> void:
 	await create_timer(s).timeout
 
+## Deletes a folder and everything in it (a server's folder has its world in it).
 func _rmdir(d: String) -> void:
 	var da := DirAccess.open(d)
 	if da == null:
 		return
+	for sub in da.get_directories():
+		_rmdir(d.path_join(sub))
 	for f in da.get_files():
 		da.remove(f)
 	DirAccess.remove_absolute(d)