From ebd9864ce08e4061e305526d05b6d9d29fe2ad1f Mon Sep 17 00:00:00 2001
From: flux <25628292+fluxionary@users.noreply.github.com>
Date: Thu, 12 Sep 2019 22:25:06 +0000
Subject: [PATCH] disable machines outputting to themselves

---
 tubelib/command.lua | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tubelib/command.lua b/tubelib/command.lua
index 4380193..6e226bf 100644
--- a/tubelib/command.lua
+++ b/tubelib/command.lua
@@ -139,6 +139,7 @@ local function get_dest_node(pos, side)
 	local dir = side_to_dir(side, node.param2)
 	local spos, sdir = Tube:get_connected_node_pos(pos, dir)
 	if not (spos and sdir) then return end
+	if vector.equals(pos, spos) then return end
 	_,node = Tube:get_node(spos)
 	local out_side = dir_to_side(tubelib2.Turn180Deg[sdir], node.param2)
 	return spos, out_side, Name2Name[node.name] or node.name