room.lua

DumpChestSlot = 1
FuelChestSlot = 2
GravityWait = 0.5
ItemChestSlot = 3
ItemSlot = 4
SpaceBegin = 5
SpaceEnd = 16

Args = {...}
L, W, H = tonumber(Args[1]), tonumber(Args[2]), tonumber(Args[3])

function build()
    if turtle.getItemCount(ItemSlot) == 0 then
        turtle.select(ItemChestSlot)
        turtle.placeDown()
        turtle.select(ItemSlot)
        turtle.suckDown()
        turtle.select(ItemChestSlot)
        turtle.digDown()
    end
    if needSpace() then
        turtle.select(DumpChestSlot)
        turtle.placeDown()
        for slot = SpaceBegin, SpaceEnd do
            turtle.select(slot)
            turtle.dropDown()
        end
        turtle.select(DumpChestSlot)
        turtle.digDown()
    end
    turtle.select(ItemSlot)
    return turtle.placeDown()
end

function move()
    turtle.select(SpaceBegin)
    while turtle.dig() do
        os.sleep(GravityWait)
    end
    if needFuel() then
        turtle.select(FuelChestSlot)
        turtle.place()
        turtle.suck()
        turtle.refuel()
        turtle.dig()
    end
    return turtle.forward()
end

function moveUp()
    turtle.select(SpaceBegin)
    while turtle.digUp() do
        os.sleep(GravityWait)
    end
    if needFuel() then
        turtle.select(FuelChestSlot)
        turtle.placeUp()
        turtle.suckUp()
        turtle.refuel()
        turtle.digUp()
    end
    return turtle.up()
end

function needFuel()
    if (turtle.getFuelLimit() == "unlimited") or (turtle.getFuelLevel() > 0) then
        return false
    end
    return true
end

function needSpace()
    for slot = SpaceBegin, SpaceEnd do
        if turtle.getItemCount(slot) == 0 then
            return false
        end
    end
    return true
end

function surface()
    return (l == 1 or l == L or w == 1 or l == L or h == 1 or h == H)
end

for h = 1, H do
    moveUp()
    for w = 1, W do
        for l = 1, L do
            if surface() then
                build()
            end
            move()
        end
        local turn
        if (w % 2) == 0 then
            turn = turtle.turnRight
        else
            turn = turtle.turnLeft
        end
        turn()
        move()
        turn()
    end
    if (w % 2) == 1 then
        turtle.turnRight()
        turtle.turnRight()
        for l = 1, L do
            move()
        end
    end
    turtle.turnRight()
    for w = 1, W do
        move()
    end
    turtle.turnRight()
end