borer

-- borer.lua
-- gaat een 9 breed op 9 hoog tunnel graven, tot 256 blocks lang.
-- 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
-- 32 chests in slot 2
-- een flint and steel in slot 3
-- plaats 1 item van de whitelisted resources in de inventory
-- 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(4)
            turtle.place()
            turtle.refuel()
            turtle.select(1)
        end
        turtle.dig()
    end
end

function safeDigDown()
    local bool, block = turtle.inspectDown()
    if bool then
        if block.name == "minecraft:lava" then
            turtle.select(4)
            turtle.placeDown()
            turtle.refuel()
            turtle.select(1)
        end
        turtle.digDown()
    end
end

function safeDigUp()
    local bool, block = turtle.inspectUp()
    if bool then
        if block.name == "minecraft:lava" then
            turtle.select(4)
            turtle.placeUp()
            turtle.refuel()
            turtle.select(1)
        end
        turtle.digUp()
    end
end

-- GLOBALS

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

whitelist = {
    "minecraft:gold_ore",
    "minecraft:iron_ore",
    "minecraft:diamond",
    "minecraft:coal",
    "minecraft:redstone",
    "minecraft:lapis_lazuli",
    }


-- 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()
    turtle.select(3) -- fire
    turtle.placeDown()
    for i=10,16 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()
    turtle.back()
    turtle.select(2) -- chest
    chestsuccess = turtle.placeUp()
    turtle.select(3) -- fire
    turtle.placeDown()
    for i=5,16 do
        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)
            elseif contains(blacklist, item.name) then -- trash
                turtle.dropDown(item.count)
            elseif contains(whitelist, item.name) and chestsuccess and i < 11 then -- keep 1 in inventory
                turtle.dropUp(item.count - 1)
            elseif chestsuccess then
                turtle.dropUp(item.count) --store
            end
        end
    end
    turtle.select(1)
    safeForward()
end

-- MAIN

for i=1,32 do
    digChunk()
    clearInventory()
end