Fix indentation and coding style

1 files changed, 339 insertions, 338 deletions

diff --git a/tubes.lua b/tubes.lua
index 9a24782..feb3711 100644
--- a/tubes.lua
+++ b/tubes.lua
@@ -1,6 +1,6 @@
 -- This file supplies the various kinds of pneumatic tubes
 
-pipeworks.tubenodes={}
+pipeworks.tubenodes = {}
 
 minetest.register_alias("pipeworks:tube", "pipeworks:tube_000000")
 
@@ -215,333 +215,334 @@ end
 
 -- now let's actually call that function to get the real work done!
 
-local noctr_textures={"pipeworks_tube_noctr.png","pipeworks_tube_noctr.png","pipeworks_tube_noctr.png",
-		"pipeworks_tube_noctr.png","pipeworks_tube_noctr.png","pipeworks_tube_noctr.png"}
-local plain_textures={"pipeworks_tube_plain.png","pipeworks_tube_plain.png","pipeworks_tube_plain.png",
-		"pipeworks_tube_plain.png","pipeworks_tube_plain.png","pipeworks_tube_plain.png"}
-local end_textures={"pipeworks_tube_end.png","pipeworks_tube_end.png","pipeworks_tube_end.png",
-		"pipeworks_tube_end.png","pipeworks_tube_end.png","pipeworks_tube_end.png"}
-local short_texture="pipeworks_tube_short.png"
-local inv_texture="pipeworks_tube_inv.png"
+local noctr_textures = {"pipeworks_tube_noctr.png","pipeworks_tube_noctr.png","pipeworks_tube_noctr.png",
+			"pipeworks_tube_noctr.png","pipeworks_tube_noctr.png","pipeworks_tube_noctr.png"}
+local plain_textures = {"pipeworks_tube_plain.png","pipeworks_tube_plain.png","pipeworks_tube_plain.png",
+			"pipeworks_tube_plain.png","pipeworks_tube_plain.png","pipeworks_tube_plain.png"}
+local end_textures = {"pipeworks_tube_end.png","pipeworks_tube_end.png","pipeworks_tube_end.png",
+		      "pipeworks_tube_end.png","pipeworks_tube_end.png","pipeworks_tube_end.png"}
+local short_texture = "pipeworks_tube_short.png"
+local inv_texture = "pipeworks_tube_inv.png"
 
-pipeworks.register_tube("pipeworks:tube","Pneumatic tube segment",plain_textures,noctr_textures,end_textures,short_texture,inv_texture)
-
-
-local mese_noctr_textures={"pipeworks_mese_tube_noctr_1.png","pipeworks_mese_tube_noctr_2.png","pipeworks_mese_tube_noctr_3.png",
-		"pipeworks_mese_tube_noctr_4.png","pipeworks_mese_tube_noctr_5.png","pipeworks_mese_tube_noctr_6.png"}
-local mese_plain_textures={"pipeworks_mese_tube_plain_1.png","pipeworks_mese_tube_plain_2.png","pipeworks_mese_tube_plain_3.png",
-		"pipeworks_mese_tube_plain_4.png","pipeworks_mese_tube_plain_5.png","pipeworks_mese_tube_plain_6.png"}
-local mese_end_textures={"pipeworks_mese_tube_end.png","pipeworks_mese_tube_end.png","pipeworks_mese_tube_end.png",
-		"pipeworks_mese_tube_end.png","pipeworks_mese_tube_end.png","pipeworks_mese_tube_end.png"}
-local mese_short_texture="pipeworks_mese_tube_short.png"
-local mese_inv_texture="pipeworks_mese_tube_inv.png"
+pipeworks.register_tube("pipeworks:tube", "Pneumatic tube segment", plain_textures, noctr_textures, end_textures, short_texture, inv_texture)
 
 if pipeworks.enable_mese_tube then
-	pipeworks.register_tube("pipeworks:mese_tube","Mese pneumatic tube segment",mese_plain_textures,mese_noctr_textures,
-		mese_end_textures,mese_short_texture,mese_inv_texture,
-		{tube={can_go=function(pos,node,velocity,stack)
-			tbl={}
-			local meta=minetest.get_meta(pos)
-			local inv=meta:get_inventory()
-			local found=false
-			local name=stack:get_name()
-			for i,vect in ipairs(pipeworks.meseadjlist) do
-				if meta:get_int("l"..tostring(i).."s")==1 then
-					for _,st in ipairs(inv:get_list("line"..tostring(i))) do
-						if st:get_name()==name then
-							found=true
-							table.insert(tbl,vect)
-						end
-					end
-				end
-			end
-			if found==false then
-				for i,vect in ipairs(pipeworks.meseadjlist) do
-					if meta:get_int("l"..tostring(i).."s")==1 then
-						if inv:is_empty("line"..tostring(i)) then
-							table.insert(tbl,vect)
-						end
-					end
-				end
-			end
-			return tbl
-		end},
-		on_construct = function(pos)
-			local meta = minetest.get_meta(pos)
-			local inv = meta:get_inventory()
-			for i=1,6 do
-				meta:set_int("l"..tostring(i).."s",1)
-				inv:set_size("line"..tostring(i), 6*1)
-			end
-			meta:set_string("formspec",
-					"size[8,11]"..
-					"list[current_name;line1;1,0;6,1;]"..
-					"list[current_name;line2;1,1;6,1;]"..
-					"list[current_name;line3;1,2;6,1;]"..
-					"list[current_name;line4;1,3;6,1;]"..
-					"list[current_name;line5;1,4;6,1;]"..
-					"list[current_name;line6;1,5;6,1;]"..
-					"image[0,0;1,1;pipeworks_white.png]"..
-					"image[0,1;1,1;pipeworks_black.png]"..
-					"image[0,2;1,1;pipeworks_green.png]"..
-					"image[0,3;1,1;pipeworks_yellow.png]"..
-					"image[0,4;1,1;pipeworks_blue.png]"..
-					"image[0,5;1,1;pipeworks_red.png]"..
-					"button[7,0;1,1;button1;On]"..
-					"button[7,1;1,1;button2;On]"..
-					"button[7,2;1,1;button3;On]"..
-					"button[7,3;1,1;button4;On]"..
-					"button[7,4;1,1;button5;On]"..
-					"button[7,5;1,1;button6;On]"..
-					"list[current_player;main;0,7;8,4;]")
-			meta:set_string("infotext", "Mese pneumatic tube")
-		end,
-		on_receive_fields=function(pos,formname,fields,sender)
-			local meta=minetest.get_meta(pos)
-			local i
-			for key,_ in pairs(fields) do i=key end
-			if i==nil then return end
-			i=string.sub(i,-1)
-			newstate=1-meta:get_int("l"..i.."s")
-			meta:set_int("l"..i.."s",newstate)
-			local frm="size[8,11]"..
-					"list[current_name;line1;1,0;6,1;]"..
-					"list[current_name;line2;1,1;6,1;]"..
-					"list[current_name;line3;1,2;6,1;]"..
-					"list[current_name;line4;1,3;6,1;]"..
-					"list[current_name;line5;1,4;6,1;]"..
-					"list[current_name;line6;1,5;6,1;]"..
-					"image[0,0;1,1;pipeworks_white.png]"..
-					"image[0,1;1,1;pipeworks_black.png]"..
-					"image[0,2;1,1;pipeworks_green.png]"..
-					"image[0,3;1,1;pipeworks_yellow.png]"..
-					"image[0,4;1,1;pipeworks_blue.png]"..
-					"image[0,5;1,1;pipeworks_red.png]"
-			for i=1,6 do
-				local st=meta:get_int("l"..tostring(i).."s")
-				if st==0 then
-					frm=frm.."button[7,"..tostring(i-1)..";1,1;button"..tostring(i)..";Off]"
-				else
-					frm=frm.."button[7,"..tostring(i-1)..";1,1;button"..tostring(i)..";On]"
-				end
-			end
-			frm=frm.."list[current_player;main;0,7;8,4;]"
-			meta:set_string("formspec",frm)
-		end,
-		can_dig = function(pos,player)
-			local meta = minetest.get_meta(pos);
-			local inv = meta:get_inventory()
-			return (inv:is_empty("line1") and inv:is_empty("line2") and inv:is_empty("line3") and
-				inv:is_empty("line4") and inv:is_empty("line5") and inv:is_empty("line6"))
-		end
-	}, true)
+	local mese_noctr_textures = {"pipeworks_mese_tube_noctr_1.png","pipeworks_mese_tube_noctr_2.png","pipeworks_mese_tube_noctr_3.png",
+				     "pipeworks_mese_tube_noctr_4.png","pipeworks_mese_tube_noctr_5.png","pipeworks_mese_tube_noctr_6.png"}
+	local mese_plain_textures = {"pipeworks_mese_tube_plain_1.png","pipeworks_mese_tube_plain_2.png","pipeworks_mese_tube_plain_3.png",
+				     "pipeworks_mese_tube_plain_4.png","pipeworks_mese_tube_plain_5.png","pipeworks_mese_tube_plain_6.png"}
+	local mese_end_textures = {"pipeworks_mese_tube_end.png","pipeworks_mese_tube_end.png","pipeworks_mese_tube_end.png",
+				   "pipeworks_mese_tube_end.png","pipeworks_mese_tube_end.png","pipeworks_mese_tube_end.png"}
+	local mese_short_texture = "pipeworks_mese_tube_short.png"
+	local mese_inv_texture = "pipeworks_mese_tube_inv.png"
+	pipeworks.register_tube("pipeworks:mese_tube", "Mese pneumatic tube segment", mese_plain_textures, mese_noctr_textures,
+				mese_end_textures, mese_short_texture, mese_inv_texture,
+				{tube = {can_go = function(pos, node, velocity, stack)
+						 local tbl = {}
+						 local meta = minetest.get_meta(pos)
+						 local inv = meta:get_inventory()
+						 local found = false
+						 local name = stack:get_name()
+						 for i, vect in ipairs(pipeworks.meseadjlist) do
+							 if meta:get_int("l"..tostring(i).."s") == 1 then
+								 for _, st in ipairs(inv:get_list("line"..tostring(i))) do
+									 if st:get_name() == name then
+										 found = true
+										 table.insert(tbl, vect)
+									 end
+								 end
+							 end
+						 end
+						 if found == false then
+							 for i, vect in ipairs(pipeworks.meseadjlist) do
+								 if meta:get_int("l"..tostring(i).."s") == 1 then
+									 if inv:is_empty("line"..tostring(i)) then
+										 table.insert(tbl, vect)
+									 end
+								 end
+							 end
+						 end
+						 return tbl
+					end},
+				 on_construct = function(pos)
+					 local meta = minetest.get_meta(pos)
+					 local inv = meta:get_inventory()
+					 for i = 1, 6 do
+						 meta:set_int("l"..tostring(i).."s", 1)
+						 inv:set_size("line"..tostring(i), 6*1)
+					 end
+					 meta:set_string("formspec",
+							 "size[8,11]"..
+							 "list[current_name;line1;1,0;6,1;]"..
+							 "list[current_name;line2;1,1;6,1;]"..
+							 "list[current_name;line3;1,2;6,1;]"..
+							 "list[current_name;line4;1,3;6,1;]"..
+							 "list[current_name;line5;1,4;6,1;]"..
+							 "list[current_name;line6;1,5;6,1;]"..
+							 "image[0,0;1,1;pipeworks_white.png]"..
+							 "image[0,1;1,1;pipeworks_black.png]"..
+							 "image[0,2;1,1;pipeworks_green.png]"..
+							 "image[0,3;1,1;pipeworks_yellow.png]"..
+							 "image[0,4;1,1;pipeworks_blue.png]"..
+							 "image[0,5;1,1;pipeworks_red.png]"..
+							 "button[7,0;1,1;button1;On]"..
+							 "button[7,1;1,1;button2;On]"..
+							 "button[7,2;1,1;button3;On]"..
+							 "button[7,3;1,1;button4;On]"..
+							 "button[7,4;1,1;button5;On]"..
+							 "button[7,5;1,1;button6;On]"..
+							 "list[current_player;main;0,7;8,4;]")
+					 meta:set_string("infotext", "Mese pneumatic tube")
+				 end,
+				 on_receive_fields = function(pos, formname, fields, sender)
+					 local meta = minetest.get_meta(pos)
+					 local i
+					 if fields.quit then return end
+					 for key, _ in pairs(fields) do i = key end
+					 if i == nil then return end
+					 i = string.sub(i,-1)
+					 newstate = 1 - meta:get_int("l"..i.."s")
+					 meta:set_int("l"..i.."s",newstate)
+					 local frm = "size[8,11]"..
+						 "list[current_name;line1;1,0;6,1;]"..
+						 "list[current_name;line2;1,1;6,1;]"..
+						 "list[current_name;line3;1,2;6,1;]"..
+						 "list[current_name;line4;1,3;6,1;]"..
+						 "list[current_name;line5;1,4;6,1;]"..
+						 "list[current_name;line6;1,5;6,1;]"..
+						 "image[0,0;1,1;pipeworks_white.png]"..
+						 "image[0,1;1,1;pipeworks_black.png]"..
+						 "image[0,2;1,1;pipeworks_green.png]"..
+						 "image[0,3;1,1;pipeworks_yellow.png]"..
+						 "image[0,4;1,1;pipeworks_blue.png]"..
+						 "image[0,5;1,1;pipeworks_red.png]"
+					 for i = 1, 6 do
+						 local st = meta:get_int("l"..tostring(i).."s")
+						 if st == 0 then
+							 frm = frm.."button[7,"..tostring(i-1)..";1,1;button"..tostring(i)..";Off]"
+						 else
+							 frm = frm.."button[7,"..tostring(i-1)..";1,1;button"..tostring(i)..";On]"
+						 end
+					 end
+					 frm = frm.."list[current_player;main;0,7;8,4;]"
+					 meta:set_string("formspec", frm)
+				 end,
+				 can_dig = function(pos, player)
+					 local meta = minetest.get_meta(pos)
+					 local inv = meta:get_inventory()
+					 return (inv:is_empty("line1") and inv:is_empty("line2") and inv:is_empty("line3") and
+							 inv:is_empty("line4") and inv:is_empty("line5") and inv:is_empty("line6"))
+				 end
+				}, true)
 end
 
 if pipeworks.enable_detector_tube then
-
-	local detector_plain_textures={"pipeworks_detector_tube_plain.png","pipeworks_detector_tube_plain.png","pipeworks_detector_tube_plain.png",
-			"pipeworks_detector_tube_plain.png","pipeworks_detector_tube_plain.png","pipeworks_detector_tube_plain.png"}
-	local detector_inv_texture="pipeworks_detector_tube_inv.png"
-
-	pipeworks.register_tube("pipeworks:detector_tube_on","Detector tube segment on (you hacker you)",detector_plain_textures,noctr_textures,
-		end_textures,short_texture,detector_inv_texture,
-		{tube={can_go=function(pos,node,velocity,stack)
-			local meta = minetest.get_meta(pos)
-			local name = minetest.get_node(pos).name
-			local nitems=meta:get_int("nitems")+1
-			meta:set_int("nitems", nitems)
-			minetest.after(0.1,minetest.registered_nodes[name].item_exit,pos)
-			return pipeworks.notvel(pipeworks.meseadjlist,velocity)
-		end},
-		groups={mesecon=2,not_in_creative_inventory=1},
-		drop="pipeworks:detector_tube_off_000000",
-		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")})
-				mesecon:receptor_off(pos,pipeworks.mesecons_rules)
-			else
-				meta:set_int("nitems", nitems)
-			end
-		end,
-		on_construct = function(pos)
-			local meta = minetest.get_meta(pos)
-			meta:set_int("nitems", 1)
-			local name = minetest.get_node(pos).name
-			minetest.after(0.1,minetest.registered_nodes[name].item_exit,pos)
-		end})
-
-	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)
-		end},
-		groups={mesecon=2},
-		mesecons={receptor={state="off",
-					rules=pipeworks.mesecons_rules}}
+	local detector_plain_textures = {"pipeworks_detector_tube_plain.png", "pipeworks_detector_tube_plain.png", "pipeworks_detector_tube_plain.png",
+					 "pipeworks_detector_tube_plain.png", "pipeworks_detector_tube_plain.png", "pipeworks_detector_tube_plain.png"}
+	local detector_inv_texture = "pipeworks_detector_tube_inv.png"
+	pipeworks.register_tube("pipeworks:detector_tube_on", "Detector tube segment on (you hacker you)", detector_plain_textures, noctr_textures,
+				end_textures, short_texture, detector_inv_texture,
+				{tube = {can_go = function(pos, node, velocity, stack)
+						 local meta = minetest.get_meta(pos)
+						 local name = minetest.get_node(pos).name
+						 local nitems = meta:get_int("nitems")+1
+						 meta:set_int("nitems", nitems)
+						 minetest.after(0.1, minetest.registered_nodes[name].item_exit, pos)
+						 return pipeworks.notvel(pipeworks.meseadjlist,velocity)
+					end},
+				 groups = {mesecon = 2, not_in_creative_inventory = 1},
+				 drop = "pipeworks:detector_tube_off_1",
+				 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")})
+						 mesecon:receptor_off(pos, pipeworks.mesecons_rules)
+					 else
+						 meta:set_int("nitems", nitems)
+					 end
+				 end,
+				 on_construct = function(pos)
+					 local meta = minetest.get_meta(pos)
+					 meta:set_int("nitems", 1)
+					 local name = minetest.get_node(pos).name
+					 minetest.after(0.1, minetest.registered_nodes[name].item_exit,pos)
+	end})
+	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)
+					end},
+				 groups = {mesecon = 2},
+				 mesecons = {receptor = {state = "off",
+							 rules = pipeworks.mesecons_rules}}
 	})
 end
 
-local conductor_plain_textures={"pipeworks_conductor_tube_plain.png","pipeworks_conductor_tube_plain.png","pipeworks_conductor_tube_plain.png",
-		"pipeworks_conductor_tube_plain.png","pipeworks_conductor_tube_plain.png","pipeworks_conductor_tube_plain.png"}
-local conductor_noctr_textures={"pipeworks_conductor_tube_noctr.png","pipeworks_conductor_tube_noctr.png","pipeworks_conductor_tube_noctr.png",
-		"pipeworks_conductor_tube_noctr.png","pipeworks_conductor_tube_noctr.png","pipeworks_conductor_tube_noctr.png"}
-local conductor_end_textures={"pipeworks_conductor_tube_end.png","pipeworks_conductor_tube_end.png","pipeworks_conductor_tube_end.png",
-		"pipeworks_conductor_tube_end.png","pipeworks_conductor_tube_end.png","pipeworks_conductor_tube_end.png"}
-local conductor_short_texture="pipeworks_conductor_tube_short.png"
-local conductor_inv_texture="pipeworks_conductor_tube_inv.png"
-
-local conductor_on_plain_textures={"pipeworks_conductor_tube_on_plain.png","pipeworks_conductor_tube_on_plain.png","pipeworks_conductor_tube_on_plain.png",
-		"pipeworks_conductor_tube_on_plain.png","pipeworks_conductor_tube_on_plain.png","pipeworks_conductor_tube_on_plain.png"}
-local conductor_on_noctr_textures={"pipeworks_conductor_tube_on_noctr.png","pipeworks_conductor_tube_on_noctr.png","pipeworks_conductor_tube_on_noctr.png",
-		"pipeworks_conductor_tube_on_noctr.png","pipeworks_conductor_tube_on_noctr.png","pipeworks_conductor_tube_on_noctr.png"}
-local conductor_on_end_textures={"pipeworks_conductor_tube_on_end.png","pipeworks_conductor_tube_on_end.png","pipeworks_conductor_tube_on_end.png",
-		"pipeworks_conductor_tube_on_end.png","pipeworks_conductor_tube_on_end.png","pipeworks_conductor_tube_on_end.png"}
-
 if pipeworks.enable_conductor_tube then
-	pipeworks.register_tube("pipeworks:conductor_tube_off","Conductor tube segment",conductor_plain_textures,conductor_noctr_textures,
-		conductor_end_textures,conductor_short_texture,conductor_inv_texture,
-		{groups={mesecon=2},
-		mesecons={conductor={state="off",
-					rules=pipeworks.mesecons_rules,
-					onstate="pipeworks:conductor_tube_on_#id"}}
+	local conductor_plain_textures = {"pipeworks_conductor_tube_plain.png", "pipeworks_conductor_tube_plain.png", "pipeworks_conductor_tube_plain.png",
+					  "pipeworks_conductor_tube_plain.png", "pipeworks_conductor_tube_plain.png", "pipeworks_conductor_tube_plain.png"}
+	local conductor_noctr_textures = {"pipeworks_conductor_tube_noctr.png", "pipeworks_conductor_tube_noctr.png", "pipeworks_conductor_tube_noctr.png",
+					  "pipeworks_conductor_tube_noctr.png", "pipeworks_conductor_tube_noctr.png", "pipeworks_conductor_tube_noctr.png"}
+	local conductor_end_textures = {"pipeworks_conductor_tube_end.png", "pipeworks_conductor_tube_end.png", "pipeworks_conductor_tube_end.png",
+					"pipeworks_conductor_tube_end.png", "pipeworks_conductor_tube_end.png", "pipeworks_conductor_tube_end.png"}
+	local conductor_short_texture = "pipeworks_conductor_tube_short.png"
+	local conductor_inv_texture = "pipeworks_conductor_tube_inv.png"
+
+	local conductor_on_plain_textures = {"pipeworks_conductor_tube_on_plain.png", "pipeworks_conductor_tube_on_plain.png", "pipeworks_conductor_tube_on_plain.png",
+					     "pipeworks_conductor_tube_on_plain.png", "pipeworks_conductor_tube_on_plain.png", "pipeworks_conductor_tube_on_plain.png"}
+	local conductor_on_noctr_textures = {"pipeworks_conductor_tube_on_noctr.png", "pipeworks_conductor_tube_on_noctr.png", "pipeworks_conductor_tube_on_noctr.png",
+					     "pipeworks_conductor_tube_on_noctr.png", "pipeworks_conductor_tube_on_noctr.png", "pipeworks_conductor_tube_on_noctr.png"}
+	local conductor_on_end_textures = {"pipeworks_conductor_tube_on_end.png", "pipeworks_conductor_tube_on_end.png", "pipeworks_conductor_tube_on_end.png",
+					   "pipeworks_conductor_tube_on_end.png", "pipeworks_conductor_tube_on_end.png", "pipeworks_conductor_tube_on_end.png"}
+
+	pipeworks.register_tube("pipeworks:conductor_tube_off", "Conductor tube segment", conductor_plain_textures, conductor_noctr_textures,
+				conductor_end_textures, conductor_short_texture, conductor_inv_texture,
+				{groups = {mesecon = 2},
+				 mesecons = {conductor = {state = "off",
+							  rules = pipeworks.mesecons_rules,
+							  onstate = "pipeworks:conductor_tube_on_#id"}}
 	})
 
-	pipeworks.register_tube("pipeworks:conductor_tube_on","Conductor tube segment on (you hacker you)",conductor_on_plain_textures,conductor_on_noctr_textures,
-		conductor_on_end_textures,conductor_short_texture,conductor_inv_texture,
-		{groups={mesecon=2,not_in_creative_inventory=1},
-		drop="pipeworks:conductor_tube_off_000000",
-		mesecons={conductor={state="on",
-					rules=pipeworks.mesecons_rules,
-					offstate="pipeworks:conductor_tube_off_#id"}}
+	pipeworks.register_tube("pipeworks:conductor_tube_on", "Conductor tube segment on (you hacker you)", conductor_on_plain_textures, conductor_on_noctr_textures,
+				conductor_on_end_textures, conductor_short_texture, conductor_inv_texture,
+				{groups = {mesecon = 2, not_in_creative_inventory = 1},
+				 drop = "pipeworks:conductor_tube_off_1",
+				 mesecons = {conductor = {state = "on",
+							  rules = pipeworks.mesecons_rules,
+							  offstate = "pipeworks:conductor_tube_off_#id"}}
 	})
 end
 
-local accelerator_noctr_textures={"pipeworks_accelerator_tube_noctr.png","pipeworks_accelerator_tube_noctr.png","pipeworks_accelerator_tube_noctr.png",
-		"pipeworks_accelerator_tube_noctr.png","pipeworks_accelerator_tube_noctr.png","pipeworks_accelerator_tube_noctr.png"}
-local accelerator_plain_textures={"pipeworks_accelerator_tube_plain.png","pipeworks_accelerator_tube_plain.png","pipeworks_accelerator_tube_plain.png",
-		"pipeworks_accelerator_tube_plain.png","pipeworks_accelerator_tube_plain.png","pipeworks_accelerator_tube_plain.png"}
-local accelerator_end_textures={"pipeworks_accelerator_tube_end.png","pipeworks_accelerator_tube_end.png","pipeworks_accelerator_tube_end.png",
-		"pipeworks_accelerator_tube_end.png","pipeworks_accelerator_tube_end.png","pipeworks_accelerator_tube_end.png"}
-local accelerator_short_texture="pipeworks_accelerator_tube_short.png"
-local accelerator_inv_texture="pipeworks_accelerator_tube_inv.png"
-
 if pipeworks.enable_accelerator_tube then
-	pipeworks.register_tube("pipeworks:accelerator_tube","Accelerator pneumatic tube segment",accelerator_plain_textures,
-			accelerator_noctr_textures,accelerator_end_textures,accelerator_short_texture,accelerator_inv_texture,
-			{tube={can_go=function(pos,node,velocity,stack)
-				velocity.speed=velocity.speed+1
-				return pipeworks.notvel(pipeworks.meseadjlist,velocity)
-			end}
+	local accelerator_noctr_textures = {"pipeworks_accelerator_tube_noctr.png", "pipeworks_accelerator_tube_noctr.png", "pipeworks_accelerator_tube_noctr.png",
+					    "pipeworks_accelerator_tube_noctr.png", "pipeworks_accelerator_tube_noctr.png", "pipeworks_accelerator_tube_noctr.png"}
+	local accelerator_plain_textures = {"pipeworks_accelerator_tube_plain.png" ,"pipeworks_accelerator_tube_plain.png", "pipeworks_accelerator_tube_plain.png",
+					    "pipeworks_accelerator_tube_plain.png", "pipeworks_accelerator_tube_plain.png", "pipeworks_accelerator_tube_plain.png"}
+	local accelerator_end_textures = {"pipeworks_accelerator_tube_end.png", "pipeworks_accelerator_tube_end.png", "pipeworks_accelerator_tube_end.png",
+					  "pipeworks_accelerator_tube_end.png", "pipeworks_accelerator_tube_end.png", "pipeworks_accelerator_tube_end.png"}
+	local accelerator_short_texture = "pipeworks_accelerator_tube_short.png"
+	local accelerator_inv_texture = "pipeworks_accelerator_tube_inv.png"
+
+	pipeworks.register_tube("pipeworks:accelerator_tube", "Accelerator pneumatic tube segment", accelerator_plain_textures,
+				accelerator_noctr_textures, accelerator_end_textures, accelerator_short_texture, accelerator_inv_texture,
+				{tube = {can_go = function(pos, node, velocity, stack)
+						 velocity.speed = velocity.speed+1
+						 return pipeworks.notvel(pipeworks.meseadjlist, velocity)
+					end}
 	})
 end
 
 if pipeworks.enable_crossing_tube then
-	pipeworks.register_tube("pipeworks:crossing_tube","Crossing tube segment",accelerator_plain_textures,
-			accelerator_noctr_textures,accelerator_end_textures,accelerator_short_texture,accelerator_inv_texture,
-			{tube={can_go=function(pos,node,velocity,stack)
-				return {velocity}
-			end}
+	-- FIXME: The textures are not the correct ones
+	pipeworks.register_tube("pipeworks:crossing_tube", "Crossing tube segment", accelerator_plain_textures,
+				accelerator_noctr_textures, accelerator_end_textures, accelerator_short_texture, accelerator_inv_texture,
+				{tube = {can_go = function(pos, node, velocity, stack)
+						 return {velocity}
+					end}
 	})
 end
 
-local sand_noctr_textures={"pipeworks_sand_tube_noctr.png","pipeworks_sand_tube_noctr.png","pipeworks_sand_tube_noctr.png",
-		"pipeworks_sand_tube_noctr.png","pipeworks_sand_tube_noctr.png","pipeworks_sand_tube_noctr.png"}
-local sand_plain_textures={"pipeworks_sand_tube_plain.png","pipeworks_sand_tube_plain.png","pipeworks_sand_tube_plain.png",
-		"pipeworks_sand_tube_plain.png","pipeworks_sand_tube_plain.png","pipeworks_sand_tube_plain.png"}
-local sand_end_textures={"pipeworks_sand_tube_end.png","pipeworks_sand_tube_end.png","pipeworks_sand_tube_end.png",
-		"pipeworks_sand_tube_end.png","pipeworks_sand_tube_end.png","pipeworks_sand_tube_end.png"}
-local sand_short_texture="pipeworks_sand_tube_short.png"
-local sand_inv_texture="pipeworks_sand_tube_inv.png"
-
 if pipeworks.enable_sand_tube then
-	pipeworks.register_tube("pipeworks:sand_tube","Sand pneumatic tube segment",sand_plain_textures,sand_noctr_textures,sand_end_textures,
-			sand_short_texture,sand_inv_texture,
-			{groups={sand_tube=1}})
-
-	minetest.register_abm({nodenames={"group:sand_tube"},interval=1,chance=1,
-		action=function(pos, node, active_object_count, active_object_count_wider)
-			for _,object in ipairs(minetest.get_objects_inside_radius(pos, 2)) do
-				if not object:is_player() and object:get_luaentity() and object:get_luaentity().name == "__builtin:item" then
-					if object:get_luaentity().itemstring ~= "" then
-						local titem=pipeworks.tube_item(pos,object:get_luaentity().itemstring)
-						titem:get_luaentity().start_pos = {x=pos.x,y=pos.y-1,z=pos.z}
-						titem:setvelocity({x=0.01,y=1,z=-0.01})
-						titem:setacceleration({x=0, y=0, z=0})
-					end
-					object:get_luaentity().itemstring = ""
-					object:remove()
-				end
-			end
-		end
+	local sand_noctr_textures = {"pipeworks_sand_tube_noctr.png", "pipeworks_sand_tube_noctr.png", "pipeworks_sand_tube_noctr.png",
+				     "pipeworks_sand_tube_noctr.png", "pipeworks_sand_tube_noctr.png", "pipeworks_sand_tube_noctr.png"}
+	local sand_plain_textures = {"pipeworks_sand_tube_plain.png", "pipeworks_sand_tube_plain.png", "pipeworks_sand_tube_plain.png",
+				     "pipeworks_sand_tube_plain.png", "pipeworks_sand_tube_plain.png", "pipeworks_sand_tube_plain.png"}
+	local sand_end_textures = {"pipeworks_sand_tube_end.png", "pipeworks_sand_tube_end.png", "pipeworks_sand_tube_end.png",
+				   "pipeworks_sand_tube_end.png", "pipeworks_sand_tube_end.png", "pipeworks_sand_tube_end.png"}
+	local sand_short_texture = "pipeworks_sand_tube_short.png"
+	local sand_inv_texture = "pipeworks_sand_tube_inv.png"
+
+	pipeworks.register_tube("pipeworks:sand_tube", "Sand pneumatic tube segment", sand_plain_textures, sand_noctr_textures, sand_end_textures,
+				sand_short_texture, sand_inv_texture,
+				{groups = {sand_tube = 1}})
+
+	minetest.register_abm({nodenames = {"group:sand_tube"},
+			       interval = 1,
+			       chance = 1,
+			       action = function(pos, node, active_object_count, active_object_count_wider)
+				       for _, object in ipairs(minetest.get_objects_inside_radius(pos, 2)) do
+					       if not object:is_player() and object:get_luaentity() and object:get_luaentity().name == "__builtin:item" then
+						       if object:get_luaentity().itemstring ~= "" then
+							       local titem = pipeworks.tube_item(pos,object:get_luaentity().itemstring)
+							       titem:get_luaentity().start_pos = {x = pos.x, y = pos.y-1, z = pos.z}
+							       titem:setvelocity({x = 0.01, y = 1, z = -0.01})
+							       titem:setacceleration({x = 0, y = 0, z = 0})
+						       end
+						       object:get_luaentity().itemstring = ""
+						       object:remove()
+					       end
+				       end
+			       end
 	})
 end
 
-local mese_sand_noctr_textures={"pipeworks_mese_sand_tube_noctr.png","pipeworks_mese_sand_tube_noctr.png","pipeworks_mese_sand_tube_noctr.png",
-		"pipeworks_mese_sand_tube_noctr.png","pipeworks_mese_sand_tube_noctr.png","pipeworks_mese_sand_tube_noctr.png"}
-local mese_sand_plain_textures={"pipeworks_mese_sand_tube_plain.png","pipeworks_mese_sand_tube_plain.png","pipeworks_mese_sand_tube_plain.png",
-		"pipeworks_mese_sand_tube_plain.png","pipeworks_mese_sand_tube_plain.png","pipeworks_mese_sand_tube_plain.png"}
-local mese_sand_end_textures={"pipeworks_mese_sand_tube_end.png","pipeworks_mese_sand_tube_end.png","pipeworks_mese_sand_tube_end.png",
-		"pipeworks_mese_sand_tube_end.png","pipeworks_mese_sand_tube_end.png","pipeworks_mese_sand_tube_end.png"}
-local mese_sand_short_texture="pipeworks_mese_sand_tube_short.png"
-local mese_sand_inv_texture="pipeworks_mese_sand_tube_inv.png"
-
 if pipeworks.enable_mese_sand_tube then
-	pipeworks.register_tube("pipeworks:mese_sand_tube","Mese sand pneumatic tube segment",mese_sand_plain_textures,mese_sand_noctr_textures,mese_sand_end_textures,
-			mese_sand_short_texture,mese_sand_inv_texture,
-			{groups={mese_sand_tube=1},
-		on_construct = function(pos)
-			local meta = minetest.env:get_meta(pos)
-	    meta:set_int("dist", 0)
-			meta:set_string("formspec",
-					"size[2,1]"..
-					"field[.5,.5;1.5,1;dist;distance;${dist}]")
-			meta:set_string("infotext", "Mese sand pneumatic tube")
-		end,
-		on_receive_fields=function(pos,formname,fields,sender)
-			local meta=minetest.env:get_meta(pos)
-	    local dist
-	    _, dist = pcall(tonumber, fields.dist)
-	    if dist and 0 <= dist and dist <= 8 then meta:set_int("dist", dist) end
-		end,
+	local mese_sand_noctr_textures = {"pipeworks_mese_sand_tube_noctr.png", "pipeworks_mese_sand_tube_noctr.png", "pipeworks_mese_sand_tube_noctr.png",
+					  "pipeworks_mese_sand_tube_noctr.png", "pipeworks_mese_sand_tube_noctr.png", "pipeworks_mese_sand_tube_noctr.png"}
+	local mese_sand_plain_textures = {"pipeworks_mese_sand_tube_plain.png", "pipeworks_mese_sand_tube_plain.png", "pipeworks_mese_sand_tube_plain.png",
+					  "pipeworks_mese_sand_tube_plain.png", "pipeworks_mese_sand_tube_plain.png", "pipeworks_mese_sand_tube_plain.png"}
+	local mese_sand_end_textures = {"pipeworks_mese_sand_tube_end.png", "pipeworks_mese_sand_tube_end.png", "pipeworks_mese_sand_tube_end.png",
+					"pipeworks_mese_sand_tube_end.png", "pipeworks_mese_sand_tube_end.png", "pipeworks_mese_sand_tube_end.png"}
+	local mese_sand_short_texture = "pipeworks_mese_sand_tube_short.png"
+	local mese_sand_inv_texture = "pipeworks_mese_sand_tube_inv.png"
+
+	pipeworks.register_tube("pipeworks:mese_sand_tube", "Mese sand pneumatic tube segment", mese_sand_plain_textures, mese_sand_noctr_textures,
+				mese_sand_end_textures, mese_sand_short_texture,mese_sand_inv_texture,
+				{groups = {mese_sand_tube = 1},
+				 on_construct = function(pos)
+					 local meta = minetest.env:get_meta(pos)
+					 meta:set_int("dist", 0)
+					 meta:set_string("formspec",
+							 "size[2,1]"..
+								 "field[.5,.5;1.5,1;dist;distance;${dist}]")
+					 meta:set_string("infotext", "Mese sand pneumatic tube")
+				 end,
+				 on_receive_fields = function(pos,formname,fields,sender)
+					 local meta = minetest.env:get_meta(pos)
+					 local dist
+					 _, dist = pcall(tonumber, fields.dist)
+					 if dist and 0 <= dist and dist <= 8 then meta:set_int("dist", dist) end
+				 end,
 	})
 
 	local function get_objects_with_square_radius(pos, rad)
-	  rad = rad + .5;
-	  local objs = {}
-	  for _,object in ipairs(minetest.env:get_objects_inside_radius(pos, math.sqrt(3)*rad)) do
-	    if not object:is_player() and object:get_luaentity() and object:get_luaentity().name == "__builtin:item" then
-	      local opos = object:getpos()
-	      if pos.x - rad <= opos.x and opos.x <= pos.x + rad and pos.y - rad <= opos.y and opos.y <= pos.y + rad and pos.z - rad <= opos.z and opos.z <= pos.z + rad then
-		objs[#objs + 1] = object
-	      end
-	    end
-	  end
-	  return objs
-	end
-
-	minetest.register_abm({nodenames={"group:mese_sand_tube"},interval=1,chance=1,
-		action=function(pos, node, active_object_count, active_object_count_wider)
-			for _,object in ipairs(get_objects_with_square_radius(pos, minetest.env:get_meta(pos):get_int("dist"))) do
-				if not object:is_player() and object:get_luaentity() and object:get_luaentity().name == "__builtin:item" then
-					if object:get_luaentity().itemstring ~= "" then
-						local titem=pipeworks.tube_item(pos,object:get_luaentity().itemstring)
-						titem:get_luaentity().start_pos = {x=pos.x,y=pos.y-1,z=pos.z}
-						titem:setvelocity({x=0.01,y=1,z=-0.01})
-						titem:setacceleration({x=0, y=0, z=0})
-					end
-					object:get_luaentity().itemstring = ""
-					object:remove()
+		rad = rad + .5;
+		local objs = {}
+		for _,object in ipairs(minetest.env:get_objects_inside_radius(pos, math.sqrt(3)*rad)) do
+			if not object:is_player() and object:get_luaentity() and object:get_luaentity().name == "__builtin:item" then
+				local opos = object:getpos()
+				if pos.x - rad <= opos.x and opos.x <= pos.x + rad and pos.y - rad <= opos.y and opos.y <= pos.y + rad and pos.z - rad <= opos.z and opos.z <= pos.z + rad then
+					objs[#objs + 1] = object
 				end
 			end
 		end
+		return objs
+	end
+
+	minetest.register_abm({nodenames = {"group:mese_sand_tube"},
+			       interval = 1,
+			       chance = 1,
+			       action = function(pos, node, active_object_count, active_object_count_wider)
+				       for _,object in ipairs(get_objects_with_square_radius(pos, minetest.env:get_meta(pos):get_int("dist"))) do
+					       if not object:is_player() and object:get_luaentity() and object:get_luaentity().name == "__builtin:item" then
+						       if object:get_luaentity().itemstring ~= "" then
+							       local titem = pipeworks.tube_item(pos, object:get_luaentity().itemstring)
+							       titem:get_luaentity().start_pos = {x = pos.x, y = pos.y-1, z = pos.z}
+							       titem:setvelocity({x = 0.01, y = 1, z = -0.01})
+							       titem:setacceleration({x = 0, y = 0, z = 0})
+						       end
+						       object:get_luaentity().itemstring = ""
+						       object:remove()
+					       end
+				       end
+			       end
 	})
 end
 
@@ -549,55 +550,55 @@ local function facedir_to_right_dir(facedir)
 	
 	--find the other directions
 	local backdir = minetest.facedir_to_dir(facedir)
-	local topdir = ({[0]={x=0, y=1, z=0},
-									{x=0, y=0, z=1},
-									{x=0, y=0, z=-1},
-									{x=1, y=0, z=0},
-									{x=-1, y=0, z=0},
-									{x=0, y=-1, z=0}})[math.floor(facedir/4)]
+	local topdir = ({[0] = {x = 0, y = 1, z = 0},
+			 {x = 0, y = 0, z = 1},
+			 {x = 0, y = 0, z = -1},
+			 {x = 1, y = 0, z = 0},
+			 {x = -1, y = 0, z = 0},
+			 {x = 0, y = -1, z = 0}})[math.floor(facedir/4)]
 	
 	--return a cross product
-		return {x=topdir.y*backdir.z - backdir.y*topdir.z,
-						y=topdir.z*backdir.x - backdir.z*topdir.x,
-						z=topdir.x*backdir.y - backdir.x*topdir.y}
+	return {x = topdir.y*backdir.z - backdir.y*topdir.z,
+		y = topdir.z*backdir.x - backdir.z*topdir.x,
+		z = topdir.x*backdir.y - backdir.x*topdir.y}
 end
 
 if pipeworks.enable_one_way_tube then
 	minetest.register_node("pipeworks:one_way_tube", {
-		description = "One way tube",
-		tiles = {"pipeworks_one_way_tube_top.png", "pipeworks_one_way_tube_top.png", "pipeworks_one_way_tube_output.png",
-			"pipeworks_one_way_tube_input.png", "pipeworks_one_way_tube_side.png", "pipeworks_one_way_tube_top.png"},
-		paramtype2 = "facedir",
-		drawtype = "nodebox",
-		paramtype = "light",
-		node_box = {type="fixed",
-				fixed = {{-1/2, -9/64, -9/64, 1/2, 9/64, 9/64}}},
-		groups = {snappy=2,choppy=2,oddly_breakable_by_hand=2,tubedevice=1,tubedevice_receiver=1},
-		legacy_facedir_simple = true,
-		sounds = default.node_sound_wood_defaults(),
-		after_place_node = function(pos)
-			pipeworks.scan_for_tube_objects(pos)
-		end,
-		after_dig_node = function(pos)
-			pipeworks.scan_for_tube_objects(pos)
-		end,
-		tube={connect_sides={left=1, right=1},
-			can_go=function(pos,node,velocity,stack)
-					return velocity
-				end,
-			insert_object = function(pos,node,stack,direction)
-				item1=pipeworks.tube_item(pos,stack)
-				item1:get_luaentity().start_pos = pos
-				item1:setvelocity({x=direction.x*direction.speed, y=direction.y*direction.speed, z=direction.z*direction.speed})
-				item1:setacceleration({x=0, y=0, z=0})
-				return ItemStack("")
-			end,
-			can_insert=function(pos,node,stack,direction)
-				local dir = facedir_to_right_dir(node.param2)
-				if dir.x == direction.x and dir.y == direction.y and dir.z == direction.z then
-					return true
-				end
-				return false
-			end},
+				       description = "One way tube",
+				       tiles = {"pipeworks_one_way_tube_top.png", "pipeworks_one_way_tube_top.png", "pipeworks_one_way_tube_output.png",
+						"pipeworks_one_way_tube_input.png", "pipeworks_one_way_tube_side.png", "pipeworks_one_way_tube_top.png"},
+				       paramtype2 = "facedir",
+				       drawtype = "nodebox",
+				       paramtype = "light",
+				       node_box = {type="fixed",
+						   fixed = {{-1/2, -9/64, -9/64, 1/2, 9/64, 9/64}}},
+				       groups = {snappy = 2, choppy = 2, oddly_breakable_by_hand = 2, tubedevice = 1, tubedevice_receiver = 1},
+				       legacy_facedir_simple = true,
+				       sounds = default.node_sound_wood_defaults(),
+				       after_place_node = function(pos)
+					       pipeworks.scan_for_tube_objects(pos)
+				       end,
+				       after_dig_node = function(pos)
+					       pipeworks.scan_for_tube_objects(pos)
+				       end,
+				       tube = {connect_sides = {left = 1, right = 1},
+					       can_go = function(pos, node, velocity, stack)
+						       return velocity
+					       end,
+					       insert_object = function(pos, node, stack, direction)
+						       item1 = pipeworks.tube_item(pos, stack)
+						       item1:get_luaentity().start_pos = pos
+						       item1:setvelocity({x = direction.x*direction.speed, y = direction.y*direction.speed, z = direction.z*direction.speed})
+						       item1:setacceleration({x = 0, y = 0, z = 0})
+						       return ItemStack("")
+					       end,
+					       can_insert = function(pos, node, stack, direction)
+						       local dir = facedir_to_right_dir(node.param2)
+						       if dir.x == direction.x and dir.y == direction.y and dir.z == direction.z then
+							       return true
+						       end
+						       return false
+					      end},
 	})
 end