defense system

-- this code will detect a player within a certain set of coordinates and do the following
-- message a list of players that "username has entered your territory"
-- once they get closer it will give the perpetrator the following message "NAME, you have 30 seconds to leave this area or missiles will be launched at your base (COORDINATES)
    -- 20 (wait 5 seconds)
    -- 15 (wait 5 seconds)
    -- 10, silos open
    -- 9
    -- 8
    -- 7
    -- 6
    -- 5, missiles armed
    -- 4
    -- 3
    -- 2
    -- 1, missiles armed

-- do I need to chunk load the location that they get launched to

local detector = peripheral.find("playerDetector") -- Finds the peripheral if one is connected
if detector == nil then error("playerDetector not found") end

armed = false -- deactivates the missile system



--main loop when armed
while armed = true do

    --setup all local variables
    local players = detector.getOnlinePlayers()
    local numPlayers = #players
    local i = 1
    local launched = [array]


    --remove GDragonArcher from the table
    for k, v in pairs(players) do
        if v == 'GDragonArcher' then
            table.remove(players,k)
            numPlayers = numPlayers - 1
            break
        end
    end

    --remove BladetheSk8r from the table
    for k, v in pairs(players) do
        if v == 'BladetheSk8r' then
            table.remove(players,k)
            numPlayers = numPlayers - 1
            break
        end
    end

    --remove Electrickat from the table
    for k, v in pairs(players) do
        if v == 'Electrickat' then
            table.remove(players,k)
            numPlayers = numPlayers - 1
            break
        end
    end


    -- say things
    for i = 1, numPlayers do
        local pos = detector.getPlayerPos(players[i]) --set what player you want the pos of

        if pos.x < xRangeMin or pos.x > xRangeMax and pos.y < yRangeMin or pos.y > yRangeMax
            -- alert people of the intruder
            box.sendMessageToPlayer("USERNAME has entered your territory", "GDragonArcher", "Missile Defense System")

            -- warn the intruder, count down
            if players[i] == 'SlothKing'
            box.sendMessageToPlayer("Britton, you have 20 seconds to leave this area or missiles will be launched at your base                                          (COORDINATES)", "USERNAME", "Missile Defense System")

            box.sendMessageToPlayer("20", players[i], "Missile Defense System")
            sleep(5)

            box.sendMessageToPlayer("15", players[i], "Missile Defense System")
            sleep(5)

            box.sendMessageToPlayer("10, silos open", ..username.., "Missile Defense System")
            sleep(1)

            box.sendMessageToPlayer("9", players[i], "Missile Defense System")
            sleep(1)

            box.sendMessageToPlayer("8", players[i], "Missile Defense System")
            sleep(1)

            box.sendMessageToPlayer("7",players[i], "Missile Defense System")
            sleep(1)

            box.sendMessageToPlayer("6", players[i], "Missile Defense System")
            sleep(1)

            box.sendMessageToPlayer("5, missiles armed", players[i], "Missile Defense System")
            sleep(1)

            box.sendMessageToPlayer("4", players[i], "Missile Defense System")
            sleep(1)

            box.sendMessageToPlayer("3", players[i], "Missile Defense System")
            sleep(1)

            box.sendMessageToPlayer("2", players[i], "Missile Defense System")
            sleep(1)

            box.sendMessageToPlayer("1, missiles away", players[i], "Missile Defense System")
            sleep(1)

            armed = false

            else if

        end

        i = i + 1 --index i value
    end

    sleep(5)

end