76 lines
1.7 KiB
Lua
76 lines
1.7 KiB
Lua
|
|
filename=minetest.get_worldpath() .. "/teleport_tubes"
|
|
|
|
function read_file()
|
|
local f = io.open(filename, "r")
|
|
if f==nil then return {} end
|
|
local t = f:read("*all")
|
|
f:close()
|
|
if t=="" or t==nil then return {} end
|
|
return minetest.deserialize(t)
|
|
end
|
|
|
|
function write_file(tbl)
|
|
local f = io.open(filename, "w")
|
|
f:write(minetest.serialize(tbl))
|
|
f:close()
|
|
end
|
|
|
|
function add_tube_in_file(pos,channel)
|
|
tbl=read_file()
|
|
for _,val in ipairs(tbl) do
|
|
if val.x==pos.x and val.y==pos.y and val.z==pos.z then
|
|
return
|
|
end
|
|
end
|
|
table.insert(tbl,{x=pos.x,y=pos.y,z=pos.z,channel=channel})
|
|
write_file(tbl)
|
|
end
|
|
|
|
function remove_tube_in_file(pos)
|
|
tbl=read_file()
|
|
newtbl={}
|
|
for _,val in ipairs(tbl) do
|
|
if val.x~=pos.x or val.y~=pos.y or val.z~=pos.z then
|
|
table.insert(newtbl,val)
|
|
end
|
|
end
|
|
write_file(newtbl)
|
|
end
|
|
|
|
function get_tubes_in_file(pos,channel)
|
|
tbl=read_file()
|
|
newtbl={}
|
|
for _,val in ipairs(tbl) do
|
|
if val.channel==channel and (val.x~=pos.x or val.y~=pos.y or val.z~=pos.z) then
|
|
table.insert(newtbl,val)
|
|
end
|
|
end
|
|
return newtbl
|
|
end
|
|
|
|
|
|
register_tube("pipeworks:teleport_tube","Teleporter pneumatic tube segment",plain_textures,noctr_textures,end_textures,
|
|
short_texture,inv_texture,
|
|
{tube={can_go=function(pos,node,velocity,stack)
|
|
velocity.x=0
|
|
velocity.y=0
|
|
velocity.z=0
|
|
local meta = minetest.env:get_meta(pos)
|
|
channel=meta:get_int("channel")
|
|
goto=get_tubes_in_file(pos,channel)
|
|
if goto[1]==nil then return {} end
|
|
pos.x=goto[1].x
|
|
pos.y=goto[1].y
|
|
pos.z=goto[1].z
|
|
return meseadjlist
|
|
end},
|
|
on_construct = function(pos)
|
|
local meta = minetest.env:get_meta(pos)
|
|
meta:set_int("channel",0)
|
|
add_tube_in_file(pos,0)
|
|
end,
|
|
after_dig_node = function(pos)
|
|
remove_tube_in_file(pos)
|
|
end})
|