borer_v2

-- borer.lua
-- gaat een 9 breed op 9 hoog tunnel graven, zolang hij torches in slot 1 heeft om te plaatsen.
-- zal iedere 8 blocks een torch zetten en zijn inventory legen, door items in de blacklist te yeeten en de rest te storen in een chest

-- Primen door:
-- 64 torches in slot 1
-- minstens 10 chests in slot 2
-- een empty bucket in slot 3
-- kies jouw 9x9 vlak en maak een gat in de linkeronderhoek op ooghoogte
-- plaats de borer hierin, voorkant gericht op de richting van de tunnel
-- execute het script


-- HELPERS
function contains(list, x)
    for _, v in pairs(list) do
        if v == x then return true end
    end
    return false
end

function safeForward()
    succ = turtle.forward()
    while not succ do
        turtle.dig()
        succ = turtle.forward()
    end
end

function safeDig()
    local bool, block = turtle.inspect()
    if bool then
        if block.name == "minecraft:lava" then
            turtle.select(3)
            turtle.place()
            turtle.refuel()
            turtle.select(1)
        else
            turtle.dig()
        end
    end
end

function safeDigDown()
    local bool, block = turtle.inspectDown()
    if bool then
        if block.name == "minecraft:lava" then
            turtle.select(3)
            turtle.placeDown()
            turtle.refuel()
            turtle.select(1)
        else
            turtle.digDown()
        end
    end
end

function safeDigUp()
    local bool, block = turtle.inspectUp()
    if bool then
        if block.name == "minecraft:lava" then
            turtle.select(3)
            turtle.placeUp()
            turtle.refuel()
            turtle.select(1)
        else
            turtle.digUp()
        end
    end
end

function lavaPresent()
    isPresent = false

    local boolfront, blockfront = turtle.inspect()
    if boolfront then
        if blockfront.name == "minecraft:lava" or blockfront.name == "minecraft:flowing_lava" then
            isPresent = true
        end
    end


    local boolup, blockup = turtle.inspectUp()
    if boolup then
        if blockup.name == "minecraft:lava" or blockup.name == "minecraft:flowing_lava" then
            isPresent = true
        end
    end

    local booldown, blockdown = turtle.inspectDown()
    if booldown then
        if blockdown.name == "minecraft:lava" or blockdown.name == "minecraft:flowing_lava" then
            isPresent = true
        end
    end

    return isPresent
end

-- GLOBALS

blacklist = {
    "minecraft:cobblestone",
    "minecraft:andesite",
    "minecraft:diorite",
    "minecraft:granite",
    "minecraft:dirt",
    "minecraft:gravel"
    }

-- DIGGER

function digHorizontalSlice(sliceidx, onFloor)
    for i=2,9 do -- horizontal slice
        turtle.dig()
        safeForward()
        safeDigUp()
        safeDigDown()
        if onFloor then
            if (sliceidx == 1  and i == 2) or (sliceidx == 2  and i == 4) or (sliceidx == 4  and i == 7) then
                turtle.placeDown()
            end
        end
    end
end


-- if torch is true, place a torch
function goThreeUp()
    turtle.up()
    safeDigUp()
    turtle.up()
    safeDigUp()
    turtle.up()
    safeDigUp()
    turtle.turnRight()
    turtle.turnRight()
end

function goThreeDown()
    turtle.turnRight()
    turtle.turnRight()
    turtle.down()
    safeDigDown()
    turtle.down()
    safeDigDown()
    turtle.down()
    safeDigDown()
end

function digSlice(i)
    turtle.turnRight()
    safeDigUp()
    safeDigDown()
    digHorizontalSlice(i, true)
    goThreeUp()
    digHorizontalSlice(i, false)
    goThreeUp()
    digHorizontalSlice(i, false)

    turtle.turnLeft()
    turtle.dig()
    safeForward()
    turtle.turnLeft()
    safeDigUp()
    safeDigDown()

    digHorizontalSlice(false)
    goThreeDown()
    digHorizontalSlice(false)
    goThreeDown()
    digHorizontalSlice(false)
end

function digChunk()
    for i=1,4 do
        digSlice(i)
        dumpBlacklist()
        turtle.turnRight()
        turtle.dig()
        safeForward()
        safeDigUp()
        safeDigDown()
    end
end

-- INVENTORY

function dumpBlacklist()
    for i=4,16 do
        turtle.select(i)
        local item = turtle.getItemDetail()
        if item ~= nil then
            if contains(blacklist, item.name) then -- trash
                turtle.dropDown(item.count)
            end
        end
    end
    turtle.select(1)
end

function clearInventory()
    dumpBlacklist()

    backpackFull = False
    for i = 4,16 do
        if turtle.getItemCount(i) >= 60 then
            backpackFull = true
        end
    end

    isPresent = lavaPresent()

    if backpackFull and not isPresent then
        turtle.back()
        turtle.select(2) -- chest
        if turtle.placeDown() then
            print("placed Chest at chunk:")
            print(chunkCounter)
            if backpackFull then
                for i=4,16 do -- clear junk
                    turtle.select(i)
                    local item = turtle.getItemDetail()
                    if item ~= nil then
                        if item.name == "minecraft:coal" and turtle.getFuelLevel() < 1000 then --refuel
                            turtle.refuel(item.count-1)
                        else -- keep 1 in inventory
                            turtle.dropDown(item.count)
                        end
                    end
                end
            end
        end

        turtle.select(1)
        safeForward()
    end
end

-- MAIN

chunkCounter = 0

while turtle.getItemCount(1) > 0 do
    digChunk()
    chunkCounter = chunkCounter + 1
    clearInventory(chunkCounter)
end