From cc492491554779087e472793f432753fa8079d70 Mon Sep 17 00:00:00 2001
From: Ciaran Gultnieks <ciaran@ciarang.com>
Date: Thu, 30 Oct 2014 18:21:58 +0000
Subject: [PATCH] Protection support on digicontrol and controlrail

---
 controlrail.lua | 1 +
 digicontrol.lua | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/controlrail.lua b/controlrail.lua
index ba3d784..eba6a0e 100644
--- a/controlrail.lua
+++ b/controlrail.lua
@@ -44,6 +44,7 @@ minetest.register_node("railcarts:controlrail", {
         meta:set_string("infotext", "speedup")
     end,
     on_receive_fields = function(pos, formname, fields, sender)
+        if minetest.is_protected(pos, sender:get_player_name()) then return end
         if fields and fields.fn then
             dbg.v2("Control rail at "..minetest.pos_to_string(pos).." set to "..fields.fn.." by "..(sender:get_player_name() or ""))
             local meta = minetest.get_meta(pos)
diff --git a/digicontrol.lua b/digicontrol.lua
index b551cf3..fe1fbe1 100644
--- a/digicontrol.lua
+++ b/digicontrol.lua
@@ -31,6 +31,8 @@ minetest.register_node("railcarts:digicontrol", {
         meta:set_string("infotext", "none")
     end,
     on_receive_fields = function(pos, formname, fields, sender)
+        if minetest.is_protected(pos, sender:get_player_name()) then return end
+        if not fields.channel then return end
         local meta = minetest.get_meta(pos)
         meta:set_string("channel", fields.channel)
     end,