demolish

tArgs = {...}

function clearPawn()
    clearLevel(5)
    turtle.up()
    turtle.up()
    turtle.up()
    turtle.turnLeft()
    turtle.forward()
    turtle.turnLeft()
    turtle.dig()
    turtle.forward()
    clearLevel(3)

    turtle.down()
    turtle.down()
    turtle.down()
    turtle.forward()
    turtle.turnRight()
    turtle.forward()
    turtle.turnRight()
end

function clearKingOrQueen()
    clearLevel(5)
    turtle.up()
    turtle.up()
    turtle.up()
    turtle.turnLeft()
    turtle.forward()
    turtle.turnLeft()
    turtle.forward()

    clearLevel(3)
    turtle.up()
    turtle.digUp()
    turtle.up()
    turtle.digUp()
    turtle.up()
    turtle.turnRight()
    turtle.turnRight()

    clearLevel(3)

    for i = 1,6 do
        turtle.down()
    end

    turtle.back()
    turtle.back()
    turtle.back()

    turtle.turnLeft()
    turtle.forward()
    turtle.forward()
    turtle.forward()
    turtle.turnRight()
end


function clearBishop()
    clearLevel(5)
    turtle.up()
    turtle.up()
    turtle.up()
    turtle.turnLeft()
    turtle.forward()
    turtle.turnLeft()
    turtle.forward()

    clearLevel(3)

    turtle.back()
    turtle.turnRight()
    turtle.back()
    turtle.up()
    turtle.digUp()
    turtle.up()
    digCircle(1)

    for i = 1,5 do
        turtle.down()
    end

    turtle.turnLeft()
    turtle.forward()
    turtle.forward()
    turtle.turnRight()
    turtle.forward()
    turtle.forward()
    turtle.turnRight()
end

function clearRook()
    clearLevel(5)

    turtle.up()
    turtle.up()
    turtle.up()
    turtle.turnRight()
    turtle.turnRight()

    clearLevel(5)

    turtle.up()
    turtle.turnLeft()


    for i = 1,4 do
        for j = 1,4 do
         turtle.digUp()
         turtle.forward()
        end
        turtle.turnLeft()
    end

    turtle.turnLeft()
    for i = 1,4 do
        turtle.down()
    end
end

function clearKnight()
    clearLevel(5)

    turtle.up()
    turtle.up()
    turtle.up()

    turtle.turnLeft()
    turtle.forward()
    turtle.forward()
    turtle.turnLeft()

    for i = 1,2 do
        dig()
        turtle.forward()
    end
    dig()
    digCircle(2)
    turtle.back()
    digCircle(1)
    turtle.forward()
    dig()
    turtle.forward()
    digCircle(1)
    turtle.back()

    turtle.down()
    turtle.down()
    digCircle(1)

    turtle.down()
    turtle.down()
    turtle.forward()
    turtle.forward()
    turtle.turnRight()
    turtle.forward()
    turtle.forward()
    turtle.turnRight()
end

function dig()
    turtle.digDown()
    turtle.dig()
    turtle.digUp()
end

function digCircle(height)
    for z = 1,height do
    for i = 1,4 do
        turtle.dig()
        turtle.turnRight()
    end
        turtle.digUp()
        if z < height then
        turtle.up()
        end
    end
end

function clearLevel(length)
    for y = 1,length do
        for x = 1,length-1 do
            dig()
            turtle.forward()
        end

        if y < length then
            if y%2 ~= 0 then
                turtle.turnRight()
                dig()
                turtle.forward()
                turtle.turnRight()
            else
                turtle.turnLeft()
                dig()
                turtle.forward()
                turtle.turnLeft()
            end
        end
    end
    dig()
end

turtle.select(1)
if #tArgs > 0 then

    if tArgs[1] == "rook" then
        clearRook()
    elseif tArgs[1] == "king" then
        clearKingOrQueen()
    elseif tArgs[1] == "queen" then
        clearKingOrQueen()
    elseif tArgs[1] == "bishop" then
        clearBishop()
    elseif tArgs[1] == "pawn" then
        clearPawn()
    elseif tArgs[1] == "knight" then
        clearKnight()
    elseif tArgs[1] == "all" then
        clearAll()
    end
end