local-ize a couple of variables, code style fixes

diff --git a/teleport_tube.lua b/teleport_tube.lua
index a67daed546ad87a966c36b49f953952cdd509764..845c1d92b6123683696cf08d05563b995e22d2c7 100644 (file)
--- a/teleport_tube.lua
+++ b/teleport_tube.lua
@@ -68,21 +68,23 @@ local teleport_short_texture="pipeworks_teleport_tube_short.png"
 local teleport_inv_texture="pipeworks_teleport_tube_inv.png"
 
 pipeworks.register_tube("pipeworks:teleport_tube","Teleporter pneumatic tube segment",teleport_plain_textures,
-               teleport_noctr_textures,teleport_end_textures,teleport_short_texture,teleport_inv_texture,
-               {tube={can_go=function(pos,node,velocity,stack)
-                       velocity.x=0
-                       velocity.y=0
-                       velocity.z=0
-                       local meta = minetest.get_meta(pos)
-                       channel=meta:get_string("channel")
-                       local target=get_tubes_in_file(pos,channel)
-                       if target[1]==nil then return {} end
-                       d=math.random(1,#target)
-                       pos.x=target[d].x
-                       pos.y=target[d].y
-                       pos.z=target[d].z
-                       return pipeworks.meseadjlist
-               end},
+               teleport_noctr_textures,teleport_end_textures,teleport_short_texture,teleport_inv_texture, {
+               tube = {
+                       can_go = function(pos,node,velocity,stack)
+                               velocity.x = 0
+                               velocity.y = 0
+                               velocity.z = 0
+                               local meta = minetest.get_meta(pos)
+                               local channel = meta:get_string("channel")
+                               local target = get_tubes_in_file(pos,channel)
+                               if target[1] == nil then return {} end
+                               local d = math.random(1,#target)
+                               pos.x = target[d].x
+                               pos.y = target[d].y
+                               pos.z = target[d].z
+                               return pipeworks.meseadjlist
+                       end
+               },
                on_construct = function(pos)
                        local meta = minetest.get_meta(pos)
                        meta:set_string("channel","")