added ability to disable most components via config file in world folder

moved pipes out of init.lua and into a separate file.
some minor formatting changes

1 files changed, 312 insertions, 316 deletions

diff --git a/tubes.lua b/tubes.lua
index dc1e95a..d38cf29 100644
--- a/tubes.lua
+++ b/tubes.lua
@@ -1,35 +1,4 @@
--- This file supplies pneumatic tubes and a 'test' device
-
-minetest.register_node("pipeworks:testobject", {
-	description = "Pneumatic tube test object",
-	tiles = {
-		"pipeworks_testobject.png",
-	},
-	paramtype = "light",
-	groups = {snappy=3, tubedevice=1},
-	sounds = default.node_sound_wood_defaults(),
-	walkable = true,
-	after_place_node = function(pos)
-			tube_scanforobjects(pos)
-	end,
-	after_dig_node = function(pos)
-			tube_scanforobjects(pos)
-	end,
-})
-
-function replace_name(tbl,tr,name)
-	local ntbl={}
-	for key,i in pairs(tbl) do
-		if type(i)=="string" then
-			ntbl[key]=string.gsub(i,tr,name)
-		elseif type(i)=="table" then
-			ntbl[key]=replace_name(i,tr,name)
-		else
-			ntbl[key]=i
-		end
-	end
-	return ntbl
-end
+-- This file supplies the various kinds of pneumatic tubes
 
 tubenodes={}
 
@@ -242,7 +211,7 @@ for zp = 0, 1 do
 				nodedef.groups[group]=val
 			end
 		elseif type(value)=="table" then
-			nodedef[key]=replace_name(value,"#id",tname)
+			nodedef[key]=pipeworks_replace_name(value,"#id",tname)
 		elseif type(value)=="string" then
 			nodedef[key]=string.gsub(value,"#id",tname)
 		else
@@ -263,6 +232,7 @@ end
 end
 end
 
+
 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"}
 plain_textures={"pipeworks_tube_plain.png","pipeworks_tube_plain.png","pipeworks_tube_plain.png",
@@ -274,306 +244,332 @@ inv_texture="pipeworks_tube_inv.png"
 
 register_tube("pipeworks:tube","Pneumatic tube segment",plain_textures,noctr_textures,end_textures,short_texture,inv_texture)
 
-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"}
-
-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"}
-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"}
-mese_short_texture="pipeworks_mese_tube_short.png"
-mese_inv_texture="pipeworks_mese_tube_inv.png"
-
-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"}
-detector_inv_texture="pipeworks_detector_tube_inv.png"
-
-meseadjlist={{x=0,y=0,z=1},{x=0,y=0,z=-1},{x=0,y=1,z=0},{x=0,y=-1,z=0},{x=1,y=0,z=0},{x=-1,y=0,z=0}}
-
-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(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)
+
+
+if enable_mese_tube then
+
+	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"}
+	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"}
+	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"}
+	mese_short_texture="pipeworks_mese_tube_short.png"
+	mese_inv_texture="pipeworks_mese_tube_inv.png"
+
+	meseadjlist={{x=0,y=0,z=1},{x=0,y=0,z=-1},{x=0,y=1,z=0},{x=0,y=-1,z=0},{x=1,y=0,z=0},{x=-1,y=0,z=0}}
+
+	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(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
-		end
-		if found==false then
-			for i,vect in ipairs(meseadjlist) do
-				if meta:get_int("l"..tostring(i).."s")==1 then
-					if inv:is_empty("line"..tostring(i)) then
-						table.insert(tbl,vect)
+			if found==false then
+				for i,vect in ipairs(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
-		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]"
+			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
-		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})
-
-
-mesecons_rules={{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},{x=0,y=-1,z=0}}
-
-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 notvel(meseadjlist,velocity)
-	end},
-	groups={mesecon=2,not_in_creative_inventory=1},
-	drop="pipeworks:detector_tube_off_000000",
-	mesecons={receptor={state="on",
-				rules=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,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})
-
-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,mesecons_rules)
-		return notvel(meseadjlist,velocity)
-	end},
-	groups={mesecon=2},
-	mesecons={receptor={state="off",
-				rules=mesecons_rules}}})
-
-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"}
-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"}
-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"}
-conductor_short_texture="pipeworks_conductor_tube_short.png"
-conductor_inv_texture="pipeworks_conductor_tube_inv.png"
-
-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=mesecons_rules,
-				onstate="pipeworks:conductor_tube_on_#id"}}})
-
-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"}
-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"}
-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"}
-
-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=mesecons_rules,
-				offstate="pipeworks:conductor_tube_off_#id"}}})
-
-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"}
-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"}
-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"}
-accelerator_short_texture="pipeworks_accelerator_tube_short.png"
-accelerator_inv_texture="pipeworks_accelerator_tube_inv.png"
-
-register_tube("pipeworks:accelerator_tube","Accelerator pneumatic tube segment",accelerator_plain_textures,
-		accelerator_noctr_textures,accelerator_end_textures,accelerator_short_texture,accelerator_inv_texture,
+	})
+end
+
+	mesecons_rules={{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},{x=0,y=-1,z=0}}
+
+
+if enable_detector_tube then
+
+	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"}
+	detector_inv_texture="pipeworks_detector_tube_inv.png"
+
+	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)
-			velocity.speed=velocity.speed+1
+			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 notvel(meseadjlist,velocity)
-		end}})
+		end},
+		groups={mesecon=2,not_in_creative_inventory=1},
+		drop="pipeworks:detector_tube_off_000000",
+		mesecons={receptor={state="on",
+					rules=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,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})
 
-register_tube("pipeworks:crossing_tube","Crossing tube segment",accelerator_plain_textures,
-		accelerator_noctr_textures,accelerator_end_textures,accelerator_short_texture,accelerator_inv_texture,
+	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)
-			return velocity
-		end}})
-
-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"}
-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"}
-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"}
-sand_short_texture="pipeworks_sand_tube_short.png"
-sand_inv_texture="pipeworks_sand_tube_inv.png"
-
-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=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})
+			local name = minetest.get_node(pos).name
+			minetest.set_node(pos,{name=string.gsub(name,"off","on")})
+			mesecon:receptor_on(pos,mesecons_rules)
+			return notvel(meseadjlist,velocity)
+		end},
+		groups={mesecon=2},
+		mesecons={receptor={state="off",
+					rules=mesecons_rules}}
+	})
+end
+
+if enable_conductor_tube then
+
+	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"}
+	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"}
+	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"}
+	conductor_short_texture="pipeworks_conductor_tube_short.png"
+	conductor_inv_texture="pipeworks_conductor_tube_inv.png"
+
+	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"}
+	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"}
+	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"}
+
+	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=mesecons_rules,
+					onstate="pipeworks:conductor_tube_on_#id"}}
+	})
+
+	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=mesecons_rules,
+					offstate="pipeworks:conductor_tube_off_#id"}}
+	})
+end
+
+if enable_accelerator_tube then
+
+	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"}
+	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"}
+	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"}
+	accelerator_short_texture="pipeworks_accelerator_tube_short.png"
+	accelerator_inv_texture="pipeworks_accelerator_tube_inv.png"
+
+	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 notvel(meseadjlist,velocity)
+			end}
+	})
+end
+
+if enable_crossing_tube then
+	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
+
+if enable_sand_tube then
+
+	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"}
+	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"}
+	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"}
+	sand_short_texture="pipeworks_sand_tube_short.png"
+	sand_inv_texture="pipeworks_sand_tube_inv.png"
+
+	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=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
-				object:get_luaentity().itemstring = ""
-				object:remove()
 			end
 		end
-	end
-})
-
-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"}
-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"}
-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"}
-mese_sand_short_texture="pipeworks_mese_sand_tube_short.png"
-mese_sand_inv_texture="pipeworks_mese_sand_tube_inv.png"
-
-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=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})
+if enable_mese_sand_tube then
+
+	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"}
+	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"}
+	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"}
+	mese_sand_short_texture="pipeworks_mese_sand_tube_short.png"
+	mese_sand_inv_texture="pipeworks_mese_sand_tube_inv.png"
+
+	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=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
-				object:get_luaentity().itemstring = ""
-				object:remove()
 			end
 		end
-	end
-})
-
+	})
+end