AE2craftingRoom

-- Usage: place turtle above the level of AE interfaces at a corner of an empty row
-- Supply with Interfaces
-- Supply with Assemblers
-- Supply with acceleratorUpgrades

-- It will build AE2 crafting grid automatically


-- ItemSupply:
-- rows, starting with 1
interfaceBlock = 1
assemblerBlock = 2
acceleratorUpgrade = 3

acceleratorEnabled = true
-- for accelerators
chestSlot = 16  -- ender chest: slot or 0 to disable

-- moves row to the first slow of the row
-- at least keep Target supply in slot
function moveSupplyRow(row, target)
    if not target then target = 16 end

    local start = (row-1)*4+2
    for i = start, 16 do
        if i ~= chestSlot then
            -- exit if enough items
            if turtle.getItemCount(start-1) >= target then break end

            turtle.select(i)
            turtle.transferTo(start-1)
        end
    end

    if chestSlot ~= 0 and turtle.getItemCount(start-1) < target then
        -- not enough items, fill from ender chest
        local direction
        local dirs = {"", "Up", "Down"}

        turtle.select(chestSlot)
        for d = 1, #dirs do
            direction = dirs[d]

            if turtle["place" .. direction]() then
                break
            end

            if d == 3 then
                error("Couldnt refill from chest")
            end
        end

        for i = 1, 15 do
            turtle["suck" .. direction]()
            os.sleep(0.2)
        end
        -- free enderchest slot
        turtle.select(chestSlot)
        turtle["drop" .. direction]()
        turtle["dig" .. direction]()
    end

    turtle.select(row2slot(row))
end

function row2slot(row)
    return (row-1)*4+1
end

function putUpgrades(side, n)
    if not acceleratorEnabled then return end
    side = side or ""
    n = n or 5

    if turtle.getItemCount(row2slot(acceleratorUpgrade)) < 11 then
         moveSupplyRow(acceleratorUpgrade, 64)
    end

    turtle.select(row2slot(acceleratorUpgrade))
    turtle["drop" .. side](n)
end

function buildLevel()
    if acceleratorEnabled then
        moveSupplyRow(acceleratorUpgrade, 64)
    end

    moveSupplyRow(assemblerBlock, 64)
    -- assembler Row
    for i = 1, rowLength do
        turtle.forward()
        turtle.select(row2slot(assemblerBlock))
        turtle.placeDown()
        putUpgrades("Down")
        turtle.forward()

        -- dont move outside
        if i ~= rowLength then
            turtle.forward()
        end
    end

    -- interface row backwards
    turtle.turnLeft()
    turtle.forward()
    turtle.turnRight()

    moveSupplyRow(interfaceBlock, 64)
    moveSupplyRow(assemblerBlock, 64)
    for i = 1, rowLength do
        if acceleratorEnabled then
            moveSupplyRow(acceleratorUpgrade, 64)
        end

        turtle.select(row2slot(assemblerBlock))
        turtle.placeDown()
        putUpgrades("Down")
        turtle.back()
        turtle.select(row2slot(assemblerBlock))
        turtle.placeUp()
        putUpgrades("Up")

        turtle.select(row2slot(interfaceBlock))
        turtle.placeDown()

        turtle.back()
        turtle.select(row2slot(assemblerBlock))
        turtle.place()
        putUpgrades("")
        turtle.placeDown()
        putUpgrades("Down")
        turtle.back()
    end

    -- assembler row 2
    turtle.turnLeft()
    turtle.forward()
    turtle.turnRight()
    turtle.forward()

    moveSupplyRow(assemblerBlock, 64)
    -- assembler Row
    for i = 1, rowLength do
        turtle.forward()
        turtle.select(row2slot(assemblerBlock))
        turtle.placeDown()
        putUpgrades("Down")
        turtle.forward()

        -- dont move outside
        if i ~= rowLength then
            turtle.forward()
        end
    end

    for i = 1, (rowLength*3 - 1) do
        turtle.back()
    end
end

buildLevels = 1
rowLength = 6

print("Row Length? Default: ".. tostring(rowLength))
rowLength = tonumber(io.read()) or rowLength
print("--> ".. tostring(rowLength) .. " interfaces length")


print("How many rows to build? Default: ".. tostring(buildLevels))
buildLevels = tonumber(io.read()) or buildLevels
print("--> ".. tostring(buildLevels) .. " levels")

print("Direction? 'Left' or 'Right'. Default: 'Left'")
direction = io.read()
if direction == "" then
    direction = "Left"
end
print("--> " .. tostring(direction))

print("Use accelerators? Y/n Default: yes")
acceleratorEnabled = string.lower(io.read()) == "y" and true or false
print("--> ".. tostring(acceleratorEnabled))

-- move away from wall after placement
for n = 1, buildLevels do
    buildLevel()
end