chunkMiner.lua

local trt_name = "chunki"
local updateCh = 42

local height = 64
local stopAt = 16
local chunkSize = 16

local w, h = term.getSize()


-- Modem functions
local modem = nil
local modAvl = false

function wrapModem( side )
    if peripheral.getType(side) == "modem" then
        modem = peripheral.wrap(side)
        modAvl = true

        term.write("Found Modem")
    end
end

function sendUpdate(update)
    if modAvl then
        modem.transmit(updateCh, updateCh+1, update)
    end
end

term.clear()

term.setCursorPos(w-11, 1)
if peripheral.getType("left") ~= nil then
    wrapModem("left")
else if peripheral.getType("right") ~= nil then
    wrapModem("right")
    end
end
term.setCursorPos(1,1)


--
term.write("ChunkMiner")
term.setCursorPos(1,2)

function percentage(input, max)
    return input/max*100
end

function printBar(perc)
    local tens = perc/10
    term.write("|")
    for i=0,10 do
        if i < tens then
            term.write("#")
        else
            term.write(" ")
        end
    end
    term.write("| ")
end


function progress( name, cursorPos, input, max, sendUpd )
    term.setCursorPos(1,cursorPos)
    term.clearLine()
    term.write(name)
    printBar(percentage(input, max))

    if sendUpd then
        local update = {
            name = trt_name,
            progress = percentage(input, max),
            fuel = percentage(turtle.getFuelLevel(), turtle.getFuelLimit())
        }

        sendUpdate(update)
    end
end

--inv functions
function invFull()
    if turtle.getItemCount(9) > 0 then
        turtle.select(1)
        return true
    end
    turtle.select(1)
    return false
end

function emptyInv()
    for i=1,16 do
        turtle.select(i)
        turtle.drop(turtle.getItemCount(i))
    end
    turtle.select(1)
end

--mining functions
function digForward()
    while turtle.forward() == false do
        turtle.dig()
        turtle.attack()
    end
end

function line()
    for i=1,chunkSize-1 do

        progress("Line  ", 2, i, chunkSize-1)

        digForward()
    end
end


function slice()
    for i=1,chunkSize/2 do
        progress("Slice ", 3, i, chunkSize/2)

        line()
        turtle.turnRight()
        digForward()
        turtle.turnRight()
        line()
        if i ~= chunkSize/2 then
            turtle.turnLeft()
            digForward()
            turtle.turnLeft()
        end

    end
end

function down(height)
    for i=1,height-stopAt do
        progress("Heigth", 4, i, height-stopAt, true)

        slice()
        turtle.digDown()
        turtle.down()
        turtle.turnRight()
        line()

        if invFull() then
            local success, data = turtle.inspect()
            if success then
                while data.name ~= "minecraft:chest" do
                    success, data = turtle.inspect()
                    turtle.up()
                end
            end
            turtle.down()
            emptyInv()
            while turtle.detectDown() == false do
                turtle.down()
            end
            turtle.turnRight()
        else
            turtle.turnRight()
        end
    end
end
digForward()
down(height)