function get_tubes_in_file(pos,channel)
tbl=read_file()
newtbl={}
+ changed=false
for _,val in ipairs(tbl) do
+ local node = minetest.env:get_node(val)
+ local meta = minetest.env:get_meta(val)
+ if node.name~="ignore" and val.channel~=meta:get_string("channel") then
+ val.channel=meta:get_string("channel")
+ changed=true
+ end
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
+ if changed then write_file(tbl) end
return newtbl
end
remove_tube_in_file(pos)
add_tube_in_file(pos,fields.channel)
end,
- after_dig_node = function(pos)
+ on_destruct = function(pos)
remove_tube_in_file(pos)
end})