From fa935b5e514bf088de62360da563dbb3f53e35c3 Mon Sep 17 00:00:00 2001
From: Alexsandro Percy <alexsandro.percy@gmail.com>
Date: Sat, 17 Feb 2024 09:42:50 -0300
Subject: [PATCH] added verification before attaching

---
 attach_extern_ent.lua | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/attach_extern_ent.lua b/attach_extern_ent.lua
index dfb9a31..b9f1734 100644
--- a/attach_extern_ent.lua
+++ b/attach_extern_ent.lua
@@ -76,6 +76,9 @@ function airutils.simple_external_attach(self, relative_pos, entity_name, radius
     attach_up = attach_up or false
     radius = radius or 12
     if self.object then
+        local curr_ent, curr_obj = airutils.get_attached_entity(self)
+        if curr_ent then return end
+
         local pos = self.object:get_pos()
         local nearby_objects = minetest.get_objects_inside_radius(pos, radius)
 		for i,obj in ipairs(nearby_objects) do