fix facedir getting reset in detector tubes on state change

diff --git a/tubes.lua b/tubes.lua
index 3fa9b4a8b162ef83acae943d149505f99014fc94..e176c7aa818e375ff603a9c1b319165739aa73d7 100644 (file)
--- a/tubes.lua
+++ b/tubes.lua
@@ -357,15 +357,17 @@ if pipeworks.enable_detector_tube then
                                 mesecons = {receptor = {state = "on",
                                                         rules = pipeworks.mesecons_rules}},
                                 item_exit = function(pos)
-                                        local meta = minetest.get_meta(pos)
-                                        local nitems = meta:get_int("nitems")-1
-                                        local name = minetest.get_node(pos).name
-                                        if nitems == 0 then
-                                                minetest.set_node(pos,{name = string.gsub(name, "on", "off")})
+                                       local meta = minetest.get_meta(pos)
+                                       local nitems = meta:get_int("nitems")-1
+                                       local node = minetest.get_node(pos)
+                                       local name = node.name
+                                       local fdir = node.param2
+                                       if nitems == 0 then
+                                                minetest.set_node(pos, {name = string.gsub(name, "on", "off"), param2 = fdir})
                                                 mesecon:receptor_off(pos, pipeworks.mesecons_rules)
-                                        else
+                                       else
                                                 meta:set_int("nitems", nitems)
-                                        end
+                                       end
                                 end,
                                 on_construct = function(pos)
                                         local meta = minetest.get_meta(pos)
@@ -376,10 +378,12 @@ if pipeworks.enable_detector_tube then
        pipeworks.register_tube("pipeworks:detector_tube_off", "Detector tube segment", detector_plain_textures, noctr_textures,
                                end_textures, short_texture, detector_inv_texture,
                                {tube = {can_go = function(pos, node, velocity, stack)
-                                                local name = minetest.get_node(pos).name
-                                                minetest.set_node(pos,{name = string.gsub(name, "off", "on")})
-                                                mesecon:receptor_on(pos, pipeworks.mesecons_rules)
-                                                return pipeworks.notvel(pipeworks.meseadjlist, velocity)
+                                               local node = minetest.get_node(pos)
+                                               local name = node.name
+                                               local fdir = node.param2
+                                               minetest.set_node(pos,{name = string.gsub(name, "off", "on"), param2 = fdir})
+                                               mesecon:receptor_on(pos, pipeworks.mesecons_rules)
+                                               return pipeworks.notvel(pipeworks.meseadjlist, velocity)
                                        end},
                                 groups = {mesecon = 2},
                                 mesecons = {receptor = {state = "off",