OreTest

function breakorecheck()
    f1, f2 = turtle.inspect()
    u1, u2 = turtle.inspectUp()
    d1, d2 = turtle.inspectDown()

--other blocks to do
    if u2.name == "minecraft:iron_ore" then
        up = 1
    end
    if d2.name == "minecraft:iron_ore" then
        down = 1
    end

--other layers to do
    if f2.name == "minecraft:iron_ore" then
        forward = 1
    end

--other columns to do
    turtle.turnLeft()
    f1, f2 = turtle.inspect()
    if f2.name == "minecraft:iron_ore" then
        left = 1
    end
    shell.run("go right 2")
    f1, f2 = turtle.inspect()
    if f2.name == "minecraft:iron_ore" then
        right = 1
    end
    turtle.turnLeft()
end

function resetvarsore()
    up = 0
    down = 0
    forward = 0
    left = 0
    right = 0
end

function oreupdown()
    breakorecheck()
    while up == 1 do
        turtle.digUp()
        turtle.up()
        ud = ud + 1
        breakorecheck()
        u1, u2 = turtle.inspectUp()
        if u2.name ~= "minecraft:iron_ore" then
            up = 0
        end
    end
    while ud ~= 0 do
        turtle.digDown()
        turtle.down()
        ud = ud - 1
    end
    breakorecheck()
    while down == 1 do
        turtle.digDown()
        turtle.down()
        ud = ud - 1
        breakorecheck()
        d1, d2 = turtle.inspectDown()
        if d2.name ~= "minecraft:iron_ore" then
            down = 0
        end
    end
    while ud ~= 0 do
        turtle.digUp()
        turtle.up()
        ud = ud + 1
    end
end

--left is positive lr
function oreleft()
    turtle.turnLeft()
    f1, f2 = turtle.inspect()
    while f2.name ~= "minecraft:iron_ore" and u1 == false do
        turtle.up()
        u1, u2 = turtle.inspectUp()
        f1, f2 = turtle.inspect()
        ud = ud + 1
    end
    while f2.name ~= "minecraft:iron_ore" and d1 == false do
        turtle.down()
        d1, d2 = turtle.inspectDown()
        f1, f2 = turtle.inspect()
        ud = ud - 1
    end
    turtle.dig()
    turtle.forward()
    left = 0
    turtle.turnRight()
    oreupdown()
    lr = lr + 1
end

--right is negative lr
function oreright()
    turtle.turnRight()
    f1, f2 = turtle.inspect()
    while f2.name ~= "minecraft:iron_ore" and u1 == false do
        turtle.up()
        u1, u2 = turtle.inspectUp()
        f1, f2 = turtle.inspect()
        ud = ud + 1
    end
    while f2.name ~= "minecraft:iron_ore" and d1 == false do
        turtle.down()
        d1, d2 = turtle.inspectDown()
        f1, f2 = turtle.inspect()
        ud = ud - 1
    end
    turtle.dig()
    turtle.forward()
    right = 0
    turtle.turnLeft()
    oreupdown()
    lr = lr - 1
end

function oreward()
    turtle.dig()
    turtle.forward()
    breakorecheck()
    f = f + 1
end

function breakore()
    f1, f2 = turtle.inspect()
    d1, d2 = turtle.inspectDown()
    u1, u2 = turtle.inspectUp()

    f = 0
    lr = 0
    ud = 0
    orientation = 0
    up = 0
    down = 0
    left = 0
    right = 0
    forward = 0
    oreremaining = 1
    inv = 0

    if f2.name == "minecraft:iron_ore" then
        turtle.dig()
        turtle.forward()
        f = f + 1
    elseif d2.name == "minecraft:iron_ore" then
        turtle.digDown()
        turtle.down()
        udx = udx - 1
    elseif u2.name == "minecraft:iron_ore" then
        turtle.digUp()
        turtle.up()
        udx = udx + 1
    end

    repeat
        breakorecheck()
        if up == 1 or down == 1 then
            oreupdown()
        end
        repeat
            oreleft()
        until left == 0
        turtle.turnRight()
        while lr ~= 0 do
            turtle.forward()
            lr = lr - 1
        end
        turtle.turnLeft()
        repeat
            oreright()
        until right == 0
        turtle.turnLeft()
        while lr ~= 0 do
            turtle.forward()
            lr = lr + 1
        end
        turtle.turnRight()
        resetvarsore()
        oreward()

        if up + down + left + right + forward == 0 then
            oreremaining = 0
        end
    until oreremaining == 0
    if lr > 0 then
        turtle.turnRight()
        inv = 1
    elseif lr < 0 then
        turtle.turnLeft()
        inv = -1
    elseif lr == 0 then
        shell.run("go right 2")
    end
    if inv ~= 0 then
        for i = lr, 0, inv do
            turtle.dig()
            turtle.forward()
        end
    end
    if inv == 1 then
        turtle.turnRight()
    elseif inv == -1 then
        turtle.turnLeft()
    end
    while f ~= 0 do
        turtle.dig()
        turtle.forward()
        f = f - 1
    end
    if udx > 0 then
        turtle.digDown()
        turtle.down()
        udx = 0
    elseif udx < 0 then
        turtle.digUp()
        turtle.up()
    end
end