Concrete Processor

local totalPowder = 0
local processed = 0

local powders = {
    "minecraft:white_concrete_powder",
    "minecraft:light_gray_concrete_powder",
    "minecraft:gray_concrete_powder",
    "minecraft:black_concrete_powder",
    "minecraft:brown_concrete_powder",
    "minecraft:red_concrete_powder",
    "minecraft:orange_concrete_powder",
    "minecraft:yellow_concrete_powder",
    "minecraft:lime_concrete_powder",
    "minecraft:green_concrete_powder",
    "minecraft:cyan_concrete_powder",
    "minecraft:light_blue_concrete_powder",
    "minecraft:blue_concrete_powder",
    "minecraft:purple_concrete_powder",
    "minecraft:magenta_concrete_powder",
    "minecraft:pink_concrete_powder",
}

function tableContains(table, value)
    for i = 1, #table do
        if(table[i] == value) then
            return true
        end
    end
    return false
end


function checkForPowder()
    turtle.select(1)
    for i=1, 16 do
        local x = turtle.getItemDetail(i)
        if x ~= nil then
            if(tableContains(powders, x.name)) then
                totalPowder = totalPowder + x.count
            end
        end
    end
    print(totalPowder)
end


function processConcrete()
    checkForPowder()


    for i=1,16 do
        turtle.select(i)

        if(turtle.getItemCount(i) > 0) then
            if (tableContains(powders, turtle.getItemDetail(i).name)) then

                local toProcess = turtle.getItemCount(i)

                for j = 1, toProcess do
                    turtle.place()
                    os.sleep(0.5)
                    turtle.dig()
                    toProcess = toProcess - 1
                    processed = processed + 1
                end
            end
        end
    end

    print("Processed " .. processed .. " concrete")
end
processConcrete()