runicaltar.lua

local RECIPES = {
    {"minecraft:iron_ingot", "minecraft:gold_ingot"}, {"minecraft:blaze_rod"},
    {"minecraft:diamond"}, {"minecraft:emerald"}, {
        "minecraft:nether_star", "minecraft:redstone_block",
        "minecraft:redstone_block", "powah:blazing_crystal_block"
    }
}

local function logMsg(text) print("[" .. os.date("%T") .. "] " .. text) end

local function selectItem(id)
    -- match exact
    for i = 1, 16 do
        local data = turtle.getItemDetail(i)
        if data and data.name == id then
            turtle.select(i)
            return true
        end
    end
    -- match by tags
    for i = 1, 16 do
        local data = turtle.getItemDetail(i, true)
        if data then
            for tag, _ in pairs(data.tags) do
                if tag == id then
                    turtle.select(i)
                    return true
                end
            end
        end
    end
    -- no match
    return false
end

local function nKeys(t)
    local i = 0
    for _,_ in pairs(t) do
        i = i + 1
    end
    return i
end

local energizer = peripheral.find("powah:energizing_orb")

logMsg("Energizer crafter started up")
while true do
    for _, recipe in ipairs(RECIPES) do
        if selectItem(recipe[1]) then
            logMsg("Recipe found")
            while nKeys(energizer.list()) ~= 0 do os.sleep(0.1) end
            logMsg("Crafting started")
            for _, item in ipairs(recipe) do
                logMsg("Adding " .. item)
                while not selectItem(item) do os.sleep(0.1) end
                turtle.drop(1)
            end
            logMsg("Crafting complete")
        end
    end
    os.sleep(0.1)
end