Рефактор.

scripts/tools.gd

@@ -35,7 +35,7 @@ func allways(val: bool, msg: String = '<не указано>'):
     get_tree().quit(Error.FAILED)
 
 
-func _check_index(obj, index) -> bool:
+func check_index(obj, index) -> bool:
     if obj is Dictionary:
         if obj.has(index):
             return true
@@ -59,11 +59,11 @@ func get_value_by_path(obj, paths: Array, ret_val: Array):
     var index = paths.pop_at(0)
     ret_val[1] = false
     if paths.size():
-        if _check_index(obj, index):
+        if check_index(obj, index):
             ret_val[2] += 1
             get_value_by_path(obj[index], paths, ret_val)
     else:
-        if _check_index(obj, index):
+        if check_index(obj, index):
             ret_val[0] = obj[index]
             ret_val[1] = true