From 6c1ca46d6e6b3b290ca867d4e790ef05f5638e4c Mon Sep 17 00:00:00 2001
From: orwell96 <orwell@bleipb.de>
Date: Tue, 22 Jan 2019 12:43:11 +0100
Subject: [PATCH] Fix invalid path invalidation in ARS code

---
 advtrains_interlocking/ars.lua | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/advtrains_interlocking/ars.lua b/advtrains_interlocking/ars.lua
index 7180ca6..e20d189 100644
--- a/advtrains_interlocking/ars.lua
+++ b/advtrains_interlocking/ars.lua
@@ -58,6 +58,8 @@ function advtrains.interlocking.ars_check(sigd, train)
 	
 	local rteid = find_rtematch(tcbs.routes, train)
 	if rteid then
-		il.route.update_route(sigd, tcbs, rteid, nil)
+		--delay routesetting, it should not occur inside train step
+		-- using after here is OK because that gets called on every path recalculation
+		minetest.after(0, il.route.update_route, sigd, tcbs, rteid, nil)
 	end
 end