platform_CC

print(">>platform v1.1<<")
local length = 32
local width = 32

if arg[1] then
    length = arg[1]
end
if arg[2] then
    width = arg[2]
end

local function select_block()
    while true do
        for slot=1,16 do
            if turtle.getItemCount(slot) ~= 0 then
                turtle.select(slot)
                return true
            end
        end
    write ("place blocks and push Enter...")
    _ = read()
    end
    return false
end


local function build_step()
    if select_block() then
        turtle.placeUp()
        return true
    end
    return false
end

local function build_line()
    for i=1, length-1 do
        build_step()
        turtle.forward()
    end
    build_step()
end

local function build_flat()
    for i=1, width -1 do
        build_line()
        if math.fmod(i, 2) == 1 then
            turtle.turnRight()
            turtle.forward()
            turtle.turnRight()
        else
            turtle.turnLeft()
            turtle.forward()
            turtle.turnLeft()
        end
    end
    build_line()
end

need_fuel = width*length+length+width+10
print("Fuel: "..turtle.getFuelLevel())
print("Need: "..need_fuel)
if turtle.getFuelLevel() > need_fuel then
    turtle.forward()
    turtle.down()
    turtle.down()
    build_flat()
    if math.fmod(width, 2) == 1 then
        turtle.turnLeft()
        for i=1, width - 1 do
            turtle.forward()
        end
        turtle.turnRight()
        turtle.forward()
    else
        turtle.turnRight()
        for i=1,width -1 do
            turtle.forward()
        end
        turtle.turnRight()
        for i=1,length do
            turtle.forward()
        end
    end
    turtle.up()
    turtle.up()
    turtle.back()
else
    print("not enough fuel!!!")
end
print("Fuel: "..turtle.getFuelLevel())