pipeworks/tubes.lua

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-- This file supplies the various kinds of pneumatic tubes
tubenodes={}
-- tables
minetest.register_alias("pipeworks:tube", "pipeworks:tube_000000")
tube_leftstub = {
{ -32/64, -9/64, -9/64, 9/64, 9/64, 9/64 }, -- tube segment against -X face
}
tube_rightstub = {
{ -9/64, -9/64, -9/64, 32/64, 9/64, 9/64 }, -- tube segment against +X face
}
tube_bottomstub = {
{ -9/64, -32/64, -9/64, 9/64, 9/64, 9/64 }, -- tube segment against -Y face
}
tube_topstub = {
{ -9/64, -9/64, -9/64, 9/64, 32/64, 9/64 }, -- tube segment against +Y face
}
tube_frontstub = {
{ -9/64, -9/64, -32/64, 9/64, 9/64, 9/64 }, -- tube segment against -Z face
}
tube_backstub = {
{ -9/64, -9/64, -9/64, 9/64, 9/64, 32/64 }, -- tube segment against -Z face
}
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
function tube_addbox(t, b)
for i in ipairs(b)
do table.insert(t, b[i])
end
end
-- now define the nodes!
function register_tube(name,desc,plain_textures,noctr_textures,end_textures,short_texture,inv_texture,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, noctr_textures[4])
else
table.insert(outimgs, plain_textures[4])
end
if ym==1 then
tube_addbox(outboxes, tube_bottomstub)
table.insert(outsel, tube_selectboxes[3])
table.insert(outimgs, noctr_textures[3])
else
table.insert(outimgs, plain_textures[3])
end
if xp==1 then
tube_addbox(outboxes, tube_rightstub)
table.insert(outsel, tube_selectboxes[2])
table.insert(outimgs, noctr_textures[2])
else
table.insert(outimgs, plain_textures[2])
end
if xm==1 then
tube_addbox(outboxes, tube_leftstub)
table.insert(outsel, tube_selectboxes[1])
table.insert(outimgs, noctr_textures[1])
else
table.insert(outimgs, plain_textures[1])
end
if zp==1 then
tube_addbox(outboxes, tube_backstub)
table.insert(outsel, tube_selectboxes[6])
table.insert(outimgs, noctr_textures[6])
else
table.insert(outimgs, plain_textures[6])
end
if zm==1 then
tube_addbox(outboxes, tube_frontstub)
table.insert(outsel, tube_selectboxes[5])
table.insert(outimgs, noctr_textures[5])
else
table.insert(outimgs, plain_textures[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, end_textures[3])
end
if xp == 1 then
table.remove(outimgs, 4)
table.insert(outimgs, 4, end_textures[4])
end
if ym == 1 then
table.remove(outimgs, 1)
table.insert(outimgs, 1, end_textures[1])
end
if xp == 1 then
table.remove(outimgs, 2)
table.insert(outimgs, 2, end_textures[2])
end
if zm == 1 then
table.remove(outimgs, 5)
table.insert(outimgs, 5, end_textures[5])
end
if zp == 1 then
table.remove(outimgs, 6)
table.insert(outimgs, 6, end_textures[6])
end
end
local tname = xm..xp..ym..yp..zm..zp
local tgroups = ""
if tname ~= "000000" then
tgroups = {snappy=3, tube=1, not_in_creative_inventory=1}
tubedesc = desc.." ("..tname..")... You hacker, you."
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iimg=plain_textures[1]
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wscale = {x=1,y=1,z=1}
else
tgroups = {snappy=3, tube=1}
tubedesc = desc
iimg=inv_texture
outimgs = {
short_texture,short_texture,
end_textures[3],end_textures[4],
short_texture,short_texture
}
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 }
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wscale = {x=1,y=1,z=0.01}
end
table.insert(tubenodes,name.."_"..tname)
nodedef={
description = tubedesc,
drawtype = "nodebox",
tiles = outimgs,
inventory_image=iimg,
wield_image=iimg,
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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)
tube_scanforobjects(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)
tube_scanforobjects(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
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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)
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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
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",
"pipeworks_tube_plain.png","pipeworks_tube_plain.png","pipeworks_tube_plain.png"}
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"}
short_texture="pipeworks_tube_short.png"
inv_texture="pipeworks_tube_inv.png"
register_tube("pipeworks:tube","Pneumatic tube segment",plain_textures,noctr_textures,end_textures,short_texture,inv_texture)
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
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
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
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,
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{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})
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register_tube("pipeworks:detector_tube_off","Detector tube segment",detector_plain_textures,noctr_textures,
end_textures,short_texture,detector_inv_texture,
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{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}}
})
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)
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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
end
end
})
end
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
end
end
})
end
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local function facedir_to_dir(facedir)
--a table of possible dirs
return ({{x=0, y=0, z=1},
{x=1, y=0, z=0},
{x=0, y=0, z=-1},
{x=-1, y=0, z=0},
{x=0, y=-1, z=0},
{x=0, y=1, z=0}})
--indexed into by a table of correlating facedirs
[({[0]=1, 2, 3, 4,
5, 2, 6, 4,
6, 2, 5, 4,
1, 5, 3, 6,
1, 6, 3, 5,
1, 4, 3, 2})
--indexed into by the facedir in question
[facedir]]
end
local function facedir_to_right_dir(facedir)
--find the other directions
local backdir = 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",
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paramtype = "light",
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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)
tube_scanforobjects(pos)
end,
after_dig_node = function(pos)
tube_scanforobjects(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
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item1:setvelocity({x=direction.x*direction.speed, y=direction.y*direction.speed, z=direction.z*direction.speed})
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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