goldMine with rednet terminate function

local tArgs = {...}

-- Initialising...
local run = true -- if this is false, the program will terminate
local blocksToMove = 0
local infinite = false
local noAsking = false
local placeTorches = false
local placeChests = false
local enderChestMode = false
local blocksMoved = 0
local torchMoves = 0 -- number of blocks moved since last torch placement

function printUsage()
    print("Usages:")
    print("goldMine <blocks> <placeTorches> <placeChests>")
    print("goldMine infinite <placeTorches> <placeBlocks>")
end

if tArgs[1] == "infinite" then
    infinite = true
elseif type(tonumber(tArgs[1])) == "number" then -- if it's a valid number
    blocksToMove = tonumber(tArgs[1])
else
    printUsage()
    run = false
end

if run then
    if tArgs[2] == "true" then
        placeTorches = true
    elseif tArgs[2] == "false" then
        placeTorches = false
    else
        printUsage()
        run = false
    end
end

if run then
    if tArgs[3] == "true" then
        placeChests = true
    elseif tArgs[3] == "false" then
        placeChests = false
    else
        printUsage()
        run = false
    end
end

if run then
    if tArgs[4] == "noAskingEnder" then -- i have some evil plans
        noAsking = true
        enderChestMode = true
    elseif tArgs[4] == "noAsking" then
        noAsking = true
        enderChestMode = false
    end
end

if run then -- printing a whole bunch of text
    if placeTorches and (noAsking == false) then
        print("----------------------------")
        print("Put torches in the top left slot and press any button to continue...")
        os.pullEvent("key")
        print("----------------------------")
    end

    if placeChests and (noAsking == false) then
        print("----------------------------")
        print("Put chests in the bottom right slot and press any button to continue...")
        os.pullEvent("key")
        print("----------------------------")

        local validInput = false
        print("----------------------------")
        print("Enable Ender Chest mode? (Will break the chest after dropping off) <y/n>")
        while validInput == false do
            event, key = os.pullEvent("char")
            if key == 'y' then
                enderChestMode = true
                print("----------------------------")
                validInput = true
            elseif key == 'n' then
                enderChestMode = false
                print("----------------------------")
                validInput = true
            else
                print("Invalid input")
            end
        end
    end

    if infinite then
        print("Mode: infinite")
    else
        print("Mode: finite. Blocks to break: "..blocksToMove)
    end
    print("Chest placing: "..tostring(placeChests))
    print("Torch placing: "..tostring(placeTorches))
    if placeChests then
        print("Ender Chest mode: "..tostring(enderChestMode))
    end
end

function terminate()
    print("Goodbye")
    os.reboot()
end

function refuelAdv(value)
    if turtle.getFuelLevel() == "unlimited" then
        return true -- If turtles don't need fuel
    elseif turtle.getFuelLevel() > value - 1 then
        return true
    else
        if value > turtle.getFuelLimit() then
            value = turtle.getFuelLimit()
        end

        for slot = 1, 16 do
            turtle.select(slot)
            while turtle.refuel(0) == true do
                turtle.refuel(1)
                print(turtle.getFuelLevel())
                if turtle.getFuelLevel() > value - 1 then
                    print("Enough fuel! "..turtle.getFuelLevel().."/"..value)
                    return true
                end
            end
        end
    end
    if (turtle.getFuelLevel() > value - 1) then
        print("Enough fuel! "..turtle.getFuelLevel().."/"..value)
    else
        print("Not enough fuel! "..turtle.getFuelLevel().."/"..value)
    end
    return false
end

function mineAllSides()
    if turtle.detectUp() then
        turtle.digUp()
        turtle.suckUp()
    end

    if turtle.detectDown() then
        turtle.digDown()
        turtle.suckDown()
    end

    if turtle.detect() then
        return turtle.dig() -- return false if there is an unbreakable block
    end

    return true
end

function tryBreaking()
    local success = false
    local tries = 0

    print("Unbreakable block?")
    while (success == false) and (tries < 10) do
        tries = tries + 1
        print("Trying to break it...")
        success = turtle.dig()
        if turtle.detect() == false then
            success = true
        end
        os.sleep(2)
    end
    return success
end

function tryAttacking()
    local success = false
    local tries = 0

    print("Can't move. Mob or gravel blocking the way?")
    while (success == false) and (tries < 20) do
        tries = tries + 1
        print("Trying to attack it...")
        turtle.attack()
        print("Trying to mine it...")
        if turtle.forward() then
            success = true
            break
        else
            os.sleep(2)
        end
    end
    return success
end

function placeTorch()
    turtle.select(1)

    if turtle.getItemCount() == 1 then -- if it's the only torch left then it's the last time we're placing them
        placeTorches = false
    end

    turtle.placeDown()
end

function placeChest()
    local firstSlot = 1
    local lastSlot = 15

    if placeTorches then
        firstSlot = 2 -- ignore torches in slot 1
    end

    turtle.select(16)
    if turtle.getItemCount() > 0 then
        if (turtle.getItemCount() == 1) and (enderChestMode == false) then
            placeChests = false -- if it's the last chest then it's the last time we're placing it
        end

        if turtle.placeDown() then
            for slot = firstSlot, lastSlot do
                turtle.select(slot)
                if turtle.refuel(0) == false then -- ignore fuel
                    turtle.dropDown()
                end
            end
            if enderChestMode then
                turtle.select(16)
                turtle.digDown()
            end
        end
    end
end

-- Actual loop
while run do  -- similar to "while true do" but won't run if there was an error while initializing
    local senderId, message, protocol = rednet.receive(0.1) -- Using a timeout to check for messages periodically

    if message == "terminate" then
        run = false
        break
    end

    local complete = false
    local moved = false

    if infinite then
        print("Blocks moved: "..blocksMoved)
    else
        print("Blocks moved: "..blocksMoved.." out of "..blocksToMove)
        if blocksMoved == blocksToMove then
            run = false
            complete = true
        end
    end

    if (turtle.getFuelLevel() < 100) and run then
        refuelAdv(100)
        run = turtle.getFuelLevel() ~= 0
    end

    if (mineAllSides() == false) and run then
        run = tryBreaking()
    end

    if placeTorches and run then
        if torchMoves == 8 then
            placeTorch()
            torchMoves = 0
        else
            torchMoves = torchMoves + 1
        end
    end

    if placeChests and run then
        if turtle.getItemCount(15) > 0 then
            if turtle.getItemCount(16) > 0 then
                placeChest()
            end
        end
    end

    if (turtle.forward() == false) and run then
        if tryAttacking() then
            moved = true -- if moving is successful after attacking
        else
            run = false
        end
    elseif run then
        moved = true -- if moving is successful without doing anything
    end

    if moved then
        blocksMoved = blocksMoved + 1
    end

    if run == false then
        if complete then
            print("Mining complete!")
        else
            print("Program terminated. Sorry!")
        end
    end
end

terminate()