Structure Script

local robot = require("robot")
local component = require("component")
local ic = component.inventory_controller
local args, opts = require("shell").parse(...)
local inventory = {}
local placeRow, placeColumn, getInventory, checkItemInInventoryAndSelect, placeStructure, resetPosition, gotoStart, getRequiredItemsFromCache, totalItemQuantityInInventory, haveItemsToCraft, throwCatalyst, moveToCharging, moveToPlacing;

local itemNames = {
    AIR = "nil",
    GOLD_BLOCK = "minecraft:gold_block",
    COMPACT_WALL = "compactmachines3:wallbreakable",
    REDSTONE = "minecraft:redstone",
    REDSTONE_BLOCK = "minecraft:redstone_block",
    OBISIDAN = "minecraft:obsidian",
    ENDERPEARL = "minecraft:ender_pearl",
    IRON_BLOCK = "minecraft:iron_block"
}

local recipes = {
    Compact5 = {
        recipe = {
            {
                {itemNames.COMPACT_WALL, itemNames.COMPACT_WALL, itemNames.COMPACT_WALL},
                {itemNames.COMPACT_WALL, itemNames.COMPACT_WALL, itemNames.COMPACT_WALL},
                {itemNames.COMPACT_WALL, itemNames.COMPACT_WALL, itemNames.COMPACT_WALL}
            },
            {
                {itemNames.COMPACT_WALL, itemNames.COMPACT_WALL, itemNames.COMPACT_WALL},
                {itemNames.COMPACT_WALL, itemNames.GOLD_BLOCK, itemNames.COMPACT_WALL},
                {itemNames.COMPACT_WALL, itemNames.COMPACT_WALL, itemNames.COMPACT_WALL}
            },
            {
                {itemNames.COMPACT_WALL, itemNames.COMPACT_WALL, itemNames.COMPACT_WALL},
                {itemNames.COMPACT_WALL, itemNames.COMPACT_WALL, itemNames.COMPACT_WALL},
                {itemNames.COMPACT_WALL, itemNames.COMPACT_WALL, itemNames.COMPACT_WALL}
            }
        },

        items = {
            {
                name = itemNames.COMPACT_WALL,
                quantity = 26
            },
            {
                name = itemNames.GOLD_BLOCK,
                quantity = 1
            },
            {
                name = itemNames.ENDERPEARL,
                quantity = 1
            }
        },

        catalyst = itemNames.ENDERPEARL,
        restTime = 480 / 20
    },
    EnderPearl = {
        recipe = {
            {
                {itemNames.OBISIDAN, itemNames.OBISIDAN, itemNames.OBISIDAN},
                {itemNames.OBISIDAN, itemNames.OBISIDAN, itemNames.OBISIDAN},
                {itemNames.OBISIDAN, itemNames.OBISIDAN, itemNames.OBISIDAN}
            },
            {
                {itemNames.OBISIDAN, itemNames.OBISIDAN, itemNames.OBISIDAN},
                {itemNames.OBISIDAN, itemNames.REDSTONE_BLOCK, itemNames.OBISIDAN},
                {itemNames.OBISIDAN, itemNames.OBISIDAN, itemNames.OBISIDAN}
            },
            {
                {itemNames.OBISIDAN, itemNames.OBISIDAN, itemNames.OBISIDAN},
                {itemNames.OBISIDAN, itemNames.OBISIDAN, itemNames.OBISIDAN},
                {itemNames.OBISIDAN, itemNames.OBISIDAN, itemNames.OBISIDAN}
            }
        },

        items = {
            {
                name = itemNames.OBISIDAN,
                quantity = 26
            },
            {
                name = itemNames.REDSTONE_BLOCK,
                quantity = 1
            },
            {
                name = itemNames.REDSTONE,
                quantity = 1
            }
        },

        catalyst = itemNames.REDSTONE,
        restTime = 200 / 20
    },
    CompactWall = {
        recipe = {
            {
                {},
                {itemNames.AIR, itemNames.IRON_BLOCK, itemNames.AIR},
                {}
            },
            {
                {},
                {itemNames.AIR, itemNames.REDSTONE, itemNames.AIR},
                {}
            },
            {
                {},
                {},
                {}
            }
        },

        items = {
            {
                name = itemNames.IRON_BLOCK,
                quantity = 1
            },
            {
                name = itemNames.REDSTONE,
                quantity = 2
            }
        },

        catalyst = itemNames.REDSTONE,
        restTime = 100 / 20
    }
}

function placeRow(row)
    getInventory()
    for index, block in pairs(row) do
        robot.forward()
        if checkItemInInventoryAndSelect(block) then
            robot.placeDown()
        end
    end
end

function placeColumn(column)
    local lastColumn = 1

    for index, row in ipairs(column) do
        if index == 2 then
            robot.turnRight()
            robot.forward()
            robot.turnRight()
            robot.back()
        end

        if index == 3 then
            robot.turnLeft()
            robot.forward()
            robot.turnLeft()
            robot.back()
        end
        lastColumn = index
        if #row ~= 0 then
            placeRow(row)
        else
            robot.forward()
            robot.forward()
            robot.forward()
        end
    end

    return lastColumn
end

function getInventory()
    for i = 1, 16 do
        if ic.getStackInInternalSlot(i) then
            inventory[i] = {
                name = ic.getStackInInternalSlot(i).name,
                quantity = robot.count(i) or 1
            }
        else
            inventory[i] = nil
        end
    end
end

function checkItemInInventoryAndSelect(itemName)
    local found = false

    for i=1,16 do
        if inventory[i] and inventory[i].name == itemName then
            if robot.count(i) < 2 then inventory[i] = nil end
            found = true
            robot.select(i)
            break
        end
    end

    return found
end

function placeStructure(item, quantity, actual)
    if actual == nil then actual = 1 end
    if quantity == nil then quantity = 1 end
    if actual > quantity then return print("Finished crafting") end
    getInventory()

    if not haveItemsToCraft(item) then return print("The are items missing for the craft") end
    moveToPlacing()

    for index, column in ipairs(item.recipe) do
        local lastColumn = placeColumn(column)

        resetPosition(lastColumn)
        if index ~= 3 then robot.up() end
    end

    gotoStart()
    moveToCharging()
    throwCatalyst(item)
    os.sleep(item.restTime)
    getRequiredItemsFromCache(item)
    placeStructure(item, quantity, actual + 1)
end

function resetPosition(lastColumn)
    if lastColumn == 1 then
        for i = 1, 3 do
            robot.back()
        end
    else if lastColumn == 2 then
        robot.turnRight()
        robot.forward()
        robot.turnRight()
        robot.back()
    else if lastColumn == 3 then
        for i = 1, 3 do
            robot.back()
        end

        robot.turnLeft()

        for i = 1, 2 do
            robot.forward()
        end

        robot.turnRight()
    end
    end
    end
end

function gotoStart()
    for i = 1, 2 do
        robot.down()
    end
end

function totalItemQuantityInInventory(itemName)
    local total = 0

    for key, item in pairs(inventory) do
        if item and item.name == itemName then
            if item.quantity then
                total = total + item.quantity
            end
        end
    end

    return total
end

function haveItemsToCraft(item)
    local craftable = {}

    for key, value in pairs(item.items) do
        if math.floor(totalItemQuantityInInventory(value.name) / value.quantity) >= 1 then craftable = true else craftable = false break end
    end

    return craftable
end

function throwCatalyst(item)
    checkItemInInventoryAndSelect(item.catalyst)
    os.sleep(0.5)
    robot.drop(1)
end

function moveToCharging()
    robot.back()
    robot.down()
end

function moveToPlacing()
    robot.forward()
    robot.up()
end

function getRequiredItemsFromCache(item)
    for index, itemInfo in ipairs(item.items) do
        if index == 1 then
            robot.turnLeft()
            robot.suck(itemInfo.quantity)
            robot.turnRight()
        end

        if index == 2 then
            robot.turnRight()
            robot.suck(itemInfo.quantity)
            robot.turnLeft()
        end

        if index == 3 then
            robot.up()
            robot.turnLeft()
            robot.suck(itemInfo.quantity)
            robot.turnRight()
            robot.down()
        end
    end
end

placeStructure(recipes[args[1]], tonumber(args[2]))