door

local Portes = {795, 1639, 1638}
local tArgs = {...}
local x = tonumber(tArgs[1])
local y = tonumber(tArgs[2])
local z = tonumber(tArgs[3])
rednet.open("back")

-- p => player
-- b => block1
-- c => block2
local function checkCoord(px, py, pz, bx, by, bz, cx, cy, cz)
    return (
        (px >= bx and px <= cx) and
        (py >= by and py <= cy) and
        (pz >= bz and pz <= cz)
    )
end

while true do
    x = 0
    while x == 0 do
        x, y, z = gps.locate(5)
        if x == 0 then
            print("Can't connect to GPS, retrying in 5 seconds")
            sleep(5)
        end
    end
    if checkCoord(x, y, z, 685, 65, -587, 686, 66, -586) or
            checkCoord(x, y, z, 698, 65, -589, 699, 66, -588) then
        print("Opening ...")
        for t = 1,3 do
            rednet.send(Portes[t], "true")
        end
    elseif checkCoord(x, y, z, 687, 65, -587, 688, 66, -586) or
            checkCoord(x, y, z, 696, 65, -591, 697, 66, -590) then
        print("Closing ...")
        for t = 1,3 do
            rednet.send(Portes[t], "false")
        end
    end
    sleep(4)
end