-- This file supplies the various kinds of pneumatic tubes tubenodes={} -- tables minetest.register_alias("pipeworks:tube", "pipeworks:tube_000000") local tube_leftstub = { { -32/64, -9/64, -9/64, 9/64, 9/64, 9/64 }, -- tube segment against -X face } local tube_rightstub = { { -9/64, -9/64, -9/64, 32/64, 9/64, 9/64 }, -- tube segment against +X face } local tube_bottomstub = { { -9/64, -32/64, -9/64, 9/64, 9/64, 9/64 }, -- tube segment against -Y face } local tube_topstub = { { -9/64, -9/64, -9/64, 9/64, 32/64, 9/64 }, -- tube segment against +Y face } local tube_frontstub = { { -9/64, -9/64, -32/64, 9/64, 9/64, 9/64 }, -- tube segment against -Z face } local tube_backstub = { { -9/64, -9/64, -9/64, 9/64, 9/64, 32/64 }, -- tube segment against -Z face } local tube_selectboxes = { { -32/64, -10/64, -10/64, 10/64, 10/64, 10/64 }, { -10/64 , -10/64, -10/64, 32/64, 10/64, 10/64 }, { -10/64 , -32/64, -10/64, 10/64, 10/64, 10/64 }, { -10/64 , -10/64, -10/64, 10/64, 32/64, 10/64 }, { -10/64 , -10/64, -32/64, 10/64, 10/64, 10/64 }, { -10/64 , -10/64, -10/64, 10/64, 10/64, 32/64 } } -- Functions local function tube_addbox(t, b) for i in ipairs(b) do table.insert(t, b[i]) end end -- now, a function to define the tubes register_tube = function(name, desc, plain, noctrs, ends, short, inv, special) for xm = 0, 1 do for xp = 0, 1 do for ym = 0, 1 do for yp = 0, 1 do for zm = 0, 1 do for zp = 0, 1 do local outboxes = {} local outsel = {} local outimgs = {} if yp==1 then tube_addbox(outboxes, tube_topstub) table.insert(outsel, tube_selectboxes[4]) table.insert(outimgs, noctrs[4]) else table.insert(outimgs, plain[4]) end if ym==1 then tube_addbox(outboxes, tube_bottomstub) table.insert(outsel, tube_selectboxes[3]) table.insert(outimgs, noctrs[3]) else table.insert(outimgs, plain[3]) end if xp==1 then tube_addbox(outboxes, tube_rightstub) table.insert(outsel, tube_selectboxes[2]) table.insert(outimgs, noctrs[2]) else table.insert(outimgs, plain[2]) end if xm==1 then tube_addbox(outboxes, tube_leftstub) table.insert(outsel, tube_selectboxes[1]) table.insert(outimgs, noctrs[1]) else table.insert(outimgs, plain[1]) end if zp==1 then tube_addbox(outboxes, tube_backstub) table.insert(outsel, tube_selectboxes[6]) table.insert(outimgs, noctrs[6]) else table.insert(outimgs, plain[6]) end if zm==1 then tube_addbox(outboxes, tube_frontstub) table.insert(outsel, tube_selectboxes[5]) table.insert(outimgs, noctrs[5]) else table.insert(outimgs, plain[5]) end local jx = xp+xm local jy = yp+ym local jz = zp+zm if (jx+jy+jz) == 1 then if xm == 1 then table.remove(outimgs, 3) table.insert(outimgs, 3, ends[3]) end if xp == 1 then table.remove(outimgs, 4) table.insert(outimgs, 4, ends[4]) end if ym == 1 then table.remove(outimgs, 1) table.insert(outimgs, 1, ends[1]) end if xp == 1 then table.remove(outimgs, 2) table.insert(outimgs, 2, ends[2]) end if zm == 1 then table.remove(outimgs, 5) table.insert(outimgs, 5, ends[5]) end if zp == 1 then table.remove(outimgs, 6) table.insert(outimgs, 6, ends[6]) end end local tname = xm..xp..ym..yp..zm..zp local tgroups = {snappy=3, tube=1, not_in_creative_inventory=1} local tubedesc = desc.." ("..tname..")... You hacker, you." local iimg=plain[1] local wscale = {x=1,y=1,z=1} if tname == "000000" then tgroups = {snappy=3, tube=1} tubedesc = desc iimg=inv outimgs = { short,short, ends[3],ends[4], short,short } outboxes = { -24/64, -9/64, -9/64, 24/64, 9/64, 9/64 } outsel = { -24/64, -10/64, -10/64, 24/64, 10/64, 10/64 } wscale = {x=1,y=1,z=0.01} end table.insert(tubenodes,name.."_"..tname) local nodedef={ description = tubedesc, drawtype = "nodebox", tiles = outimgs, sunlight_propagates = true, inventory_image=iimg, wield_image=iimg, wield_scale=wscale, paramtype = "light", selection_box = { type = "fixed", fixed = outsel }, node_box = { type = "fixed", fixed = outboxes }, groups = tgroups, sounds = default.node_sound_wood_defaults(), walkable = true, stack_max = 99, drop = name.."_000000", tubelike=1, tube = {connect_sides={front=1, back=1, left=1, right=1, top=1, bottom=1}}, on_construct = function(pos) local meta = minetest.get_meta(pos) meta:set_int("tubelike",1) if minetest.registered_nodes[name.."_"..tname].on_construct_ then minetest.registered_nodes[name.."_"..tname].on_construct_(pos) end end, after_place_node = function(pos) pipeworks.scan_for_tube_objects(pos) if minetest.registered_nodes[name.."_"..tname].after_place_node_ then minetest.registered_nodes[name.."_"..tname].after_place_node_(pos) end end, after_dig_node = function(pos) pipeworks.scan_for_tube_objects(pos) if minetest.registered_nodes[name.."_"..tname].after_dig_node_ then minetest.registered_nodes[name.."_"..tname].after_dig_node_(pos) end end } if special==nil then special={} end for key,value in pairs(special) do if key=="on_construct" or key=="after_dig_node" or key=="after_place_node" then nodedef[key.."_"]=value elseif key=="groups" then for group,val in pairs(value) do nodedef.groups[group]=val end elseif key=="tube" then for key,val in pairs(value) do nodedef.tube[key]=val end elseif type(value)=="table" then nodedef[key]=pipeworks.replace_name(value,"#id",tname) elseif type(value)=="string" then nodedef[key]=string.gsub(value,"#id",tname) else nodedef[key]=value end end local prefix=":" if string.find(name, "pipeworks:") then prefix = "" end minetest.register_node(prefix..name.."_"..tname, nodedef) end end end end end end 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" 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" if enable_mese_tube then 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 }) end local 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 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" 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(pipeworks.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(pipeworks.meseadjlist,velocity) end}, groups={mesecon=2}, mesecons={receptor={state="off", rules=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 enable_conductor_tube then 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 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 enable_accelerator_tube then 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(pipeworks.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 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 enable_sand_tube then 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 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 enable_mese_sand_tube then 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 end end }) end 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)] --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} end if 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=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