mine_server

TURTLES = {}
TURTLE_COUNT = 0

DEPLOYER = 0

CHEST_X = 0
CHEST_Z = 0

function prepare()
    print("How many turtles should connect? (Max 8)")

    TURTLE_COUNT = tonumber(read())
    local currentTurtles = 0

    if TURTLE_COUNT ~= nil then
        local message
        DEPLOYER, message = rednet.receive("minenetfromdeployer", 10000)
        rednet.send(DEPLOYER, TURTLE_COUNT, "minenettodeployer")

        while currentTurtles < TURTLE_COUNT do
            local turtle_id, message = rednet.receive("minenettoserver", 10000)
            rednet.send(turtle_id, "Welcome!", "minenettoclient")

            TURTLES[currentTurtles] = turtle_id

            print("Turtle #" .. turtle_id .. " connected")
            currentTurtles = currentTurtles + 1
        end

        DEPLOYER, message = rednet.receive("minenetfromdeployer", 10000)

        print("How many blocks should the turtles go?")
        local distance = tonumber(read())
        if distance ~= nil then
            for i=0, currentTurtles - 1 do
                rednet.send(TURTLES[i], distance, "minenettoclient")
            end

            return true
        else
            return false
        end
    else
        print("Please enter a valid number")
        return false
    end
end

function main()
    rednet.open("right")
    if rednet.isOpen("right") ~= true then
        print("Failed to start modem!")
        return
    end

    local successfulTurtles = 0
    if prepare() == true then
        while successfulTurtles < TURTLE_COUNT do
            local id, message = rednet.receive("minenettoserver")
            if message == "returned" then
                print("Turtle #" .. id .. " has returned to the start")
                successfulTurtles = successfulTurtles + 1
            elseif message == "returning" then
                print("Turtle #" .. id .. " has finished mining and is returning to the start")
            elseif message == "out_of_fuel" then
                print("Turtle #" .. id .. " has ran out of fuel")
            end
        end
        rednet.send(DEPLOYER, "cleanup", "minenettodeployer")
    end

    rednet.close("right")
end

main()