gpsServerSub

--pastebin get Lq1GgMw0 gpsServerSub
local wirelessModem
local wiredModem

args = {...}

shell.run("delete mathLib")
shell.run("pastebin get PkFcWZJi mathLib")
os.loadAPI("mathLib")
shell.run("delete vector3Lib")
shell.run("pastebin get Xruma0TN vector3Lib")
os.loadAPI("vector3Lib")
shell.run("delete fileUtils")
shell.run("pastebin get m0yUeGbS fileUtils")
os.loadAPI("fileUtils")

worldPosition = vector3Lib.vector3(0,0,0)

if #args > 3 then
    worldPosition = vector3Lib.vector3(args[1], args[2], args[3])
    fileUtils.saveToFile(worldPosition, "gpsPosition", "saves", true)
    print(textutils.serialiseJSON(worldPosition))
else
    worldPosition = fileUtils.loadFromFile("saves/gpsPosition")
    if worldPosition ~= nil and worldPosition.x ~= nil then
        print("pos xyz ("..worldPosition.x..", "..worldPosition.y..", "..worldPosition.z..")")
    else
        error("Wrong Usage (worldPosX worldPosY worldPosZ) for first time setup")
    end
end

function setupWireless()
    wirelessModem = peripheral.wrap("top")
    if not wirelessModem.isWireless() then
        wirelessModem = peripheral.wrap("bottom")
        print("bottom wireless")
    else
        print("top wireless")
    end
end

function setupWired()
        wiredModem = peripheral.wrap("top")
    if wiredModem.isWireless() then
        wiredModem = peripheral.wrap("bottom")
        print("bottom wired")
    else
        print("top wired")
    end
end


setupWired()
setupWireless()

wiredModem.open(88)

local replyRecieved = false

parallel.waitForAny(
    function()
        while not replyRecieved do
            local data = {type = "register gps", subGPSName = os.getComputerID(), location = worldPosition}
            wiredModem.transmit(89, 88, textutils.serialise(data))
            sleep(5)
        end
    end,

    function()
        while true do
            local event, modemSide, senderChannel,
            replyChannel, message, senderDistance = os.pullEvent("modem_message")

            local package = textutils.unserialise(message)
            if senderChannel == 88 and package.id == os.getComputerID() then
                replyRecieved = true
                print("Registered to main server")
            end
        end
    end
)

wirelessModem.open(33)

while true do
    local event, modemSide, senderChannel,
    replyChannel, message, senderDistance = os.pullEvent("modem_message")

    local recievedMessage = textutils.unserialise(message)

    local package = {distance = senderDistance, subGPSName = os.getComputerID(), clientID = recievedMessage.clientID, type = "distance"}

    if senderChannel == 33 then
        wiredModem.transmit(89, replyChannel, textutils.serialise(package))
    end
end