VeinMinerBasedMiner

--[[
length = 1 for normal veinMiner
]]--
local tArgs = {...}

local length = 32

if #tArgs >= 1 and tonumber(tArgs[1]) then
    length = tonumber(tArgs[1])
end

-- Block Whitelist --

local whitelist = {
    ["minecraft:gold_ore"] = true,
    ["minecraft:iron_ore"] = true,
    ["minecraft:coal_ore"] = true,
    ["minecraft:lapis_ore"] = true,
    ["minecraft:diamond_ore"] = true,
    ["minecraft:lit_redstone_ore"] = true,
    ["minecraft:redstone_ore"] = true,
    ["minecraft:emerald_ore"] = true,
    ["minecraft:quartz_ore"] = true,
    ["minecraft:glowstone"] = true,
    ["ic2:resource"] = true
}

local function veinMiner()
    -- Check fuel --
    local fuel = turtle.getFuelLevel()
    if fuel ~= "unlimited" and fuel < 10 then
        print("Insert fuel")
        while fuel < 10 do
            for i=1, 16 do
                turtle.select(i)
                turtle.refuel()
            end
        end
        print("Done refueling")
    end
    -- Program --
    if turtle.detectUp() and whitelist[select(2,turtle.inspectUp()).name] then
        while not turtle.up() do
            turtle.digUp()
        end
        veinMiner()
        while not turtle.down() do
            turtle.digDown()
        end
    end
    if turtle.detectDown() and whitelist[select(2,turtle.inspectDown()).name] then
        turtle.digDown()
        turtle.down()
        veinMiner()
        while not turtle.up() do
            turtle.digUp()
        end
    end
    for _=1, 4 do
        if turtle.detect() and whitelist[select(2,turtle.inspect()).name] then
            while not turtle.forward() do
                turtle.dig()
                sleep(.5)
            end
            veinMiner()
            if not turtle.back() then
                turtle.turnLeft()
                turtle.turnLeft()
                while not turtle.forward() do
                    turtle.dig()
                end
                turtle.turnLeft()
                turtle.turnLeft()
            end
        end
        turtle.turnLeft()
    end
end

local function clear()
    for i=1, 16 do
        turtle.select(i)
        if turtle.getItemCount() > 0 then
            name = turtle.getItemDetail().name
        else
            name = ""
        end
        if name == "minecraft:cobblestone" or name == "minecraft:gravel" or name == "minecraft:sand" or name == "minecraft:flint" then
            turtle.drop()
        end
    end
    turtle.select(1)
end

-- Code --

if not os.getComputerLabel() then
    os.setComputerLabel("miner")
end

clear()

for _=1, length do
    while not turtle.forward() do
        turtle.dig()
        sleep(.5)
    end
    veinMiner()
    clear()
end
for _=1, length do
    turtle.back()
end