snap.lua

Maro919

May 18th, 2025

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if not arg[1] then
error("File not found.",2)
end
local file = io.open(arg[1], "r")
local map = textutils.unserialise(file:read("*a"))
file:close()
rednet.open("back")
print("Welcome to snap.")
print("To add new intersection stand in the middle and type name or leave blank and press enter.")
print("After adding new intersection you can add connections by typing index numbers of intersections to connect to. To leave connection mode type -1.")
print("To save and quit type \":q\".")
print("If you wish to abort saving just terminate the program.")
while true do
local name
local conn
local x, z
write("Name: ")
name = read()
x, _, z = gps.locate(2)
if name == ":q" or x == nil then
break
elseif name == "" then
name = nil
end
map.intersections[#map.intersections+1] = {x = x, y = z, name = name}
print("Index: "..#map.intersections)
while true do
write("Connection: ")
conn = tonumber(read())
if conn == -1 then
break
end
map.connections[#map.connections+1] = {#map.intersections, conn}
end
end
file = io.open(arg[1],"w")
file:write(textutils.serialise(map))
file:close()

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