first house

function line(dlina)
    for x = 1 , dlina do
        if turtle.getItemCount() == 0 then
            turtle.select(2)
        end
        turtle.turnRight()
        turtle.placeDown()
        turtle.turnLeft()
        turtle.forward()
    end
end
function square(dlina)
    for b = 1, 4 do
        line(dlina)
        turtle.turnRight()
    end
end
function cube(length,height)
    for s = 1 , height do
        square(length)
        turtle.up()

    end
end

function pyramid(size)
    squareSize = size
    squareNum = math.ceil(size / 2)
    for y = 1, squareNum do
        square(squareSize)
        turtle.forward()
        turtle.turnRight()
        turtle.up()
        turtle.forward()
        turtle.turnLeft()
        squareSize = squareSize - 2
    end
end
function roof(size)
    turtle.select(5)
    pyramid(size)
    half = math.ceil(size / 2)
    for i = 1, half do
        turtle.back()
    end
    turtle.turnLeft()
    for i = 1, half do
        turtle.forward()
    end
    turtle.turnRight()
    for i = 1, half - 1 do
        turtle.down()
    end
    turtle.select(6)
    pyramid(size)
end

function searchBlock(from)
    current = from
    turtle.select(current)
    while turtle.getItemCount() == 0 do
        current = current + 1
        turtle.select(current)
    end

end

-- PROGRAM
cube(10, 1)
roof(10, 5, 9)