From 45413ee5c031d9d44342a09f4ac8b412a75568be Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Gabriel=20P=C3=A9rez-Cerezo?= <gabriel@gpcf.eu>
Date: Sun, 26 Jul 2020 23:28:24 +0200
Subject: Add function to step through freight codes

---
 advtrains/wagons.lua | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'advtrains/wagons.lua')

diff --git a/advtrains/wagons.lua b/advtrains/wagons.lua
index d805bc6..71557fa 100644
--- a/advtrains/wagons.lua
+++ b/advtrains/wagons.lua
@@ -874,6 +874,7 @@ function wagon.prev_fc(data)
 end
 
 function wagon.next_fc(data)
+	if not data.fc then return end
 	if data.fcrev then
 		wagon.prev_fc(data)
 		return
@@ -1127,7 +1128,7 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
 					wagon.show_wagon_properties({id=uid}, pname)
 				end
 				if fields.fcn then
-					wagon.next_fc(data)
+					advtrains.step_fc(data)
 					wagon.show_wagon_properties({id=uid}, pname)
 				end
 			end
-- 
cgit v1.2.3