CC:Minecraft installer

local width, height = term.getSize()

local function update(text)
    term.setBackgroundColor(colors.black)
    term.setTextColor(colors.white)
    term.setCursorPos(1, 9)
    term.clearLine()
    term.setCursorPos(math.floor(width/2 - string.len(text)/2), 9)
    write(text)
end

local function bar(ratio)
    term.setBackgroundColor(colors.gray)
    term.setTextColor(colors.lime)
    term.setCursorPos(1, 11)

    for i = 1, width do
        if (i/width < ratio) then
            write("]")
        else
            write(" ")
        end
    end
end

local function download(path)
    update("Downloading " .. path .. "...")

    term.setBackgroundColor(colors.black)
    term.setTextColor(colors.white)
    term.setCursorPos(1, 13)
    term.clearLine()
    term.setCursorPos(1, 14)
    term.clearLine()
    term.setCursorPos(1, 15)
    term.clearLine()
    term.setCursorPos(1, 16)
    term.clearLine()
    term.setCursorPos(1, 17)
    term.clearLine()
    term.setCursorPos(1, 13)

    print("Accessing https://raw.githubusercontent.com/Xella37/CC-Minecraft/master/"..path)
    local rawData = http.get("https://raw.githubusercontent.com/Xella37/CC-Minecraft/master/"..path)
    local data = rawData.readAll()
    local file = fs.open(path, "w")
    file.write(data)
    file.close()
end

function install()
    term.setBackgroundColor(colors.black)
    term.setTextColor(colors.yellow)
    term.clear()

    local str = "CC:Minecraft Installer"
    term.setCursorPos(math.floor(width/2 - #str / 2), 2)
    write(str)

    local total = 21

    update("Installing...")
    bar(0)

    download("Minecraft.lua")
    bar(1/total)
    download("Pine3D-minified.lua")
    bar(2/total)
    download("betterblittle.lua")
    bar(3/total)
    download("blittle")
    bar(4/total)
    download("noise.lua")
    bar(5/total)
    download("hotbar.nfp")
    bar(6/total)
    download("hotbarb.nfp")
    bar(7/total)
    download("logo.nfp")
    bar(8/total)
    download("hotbarb.nfp")
    bar(9/total)
    download("worldGradient.nfp")
    bar(10/total)
    download("controls.txt")
    bar(11/total)
    download("README.md")
    bar(12/total)
    download("LICENSE")
    bar(13/total)

    update("Creating models folder...")
    fs.makeDir("models")
    bar(14/total)

    download("models/dirt")
    bar(15/total)
    download("models/grass")
    bar(16/total)
    download("models/leaves")
    bar(17/total)
    download("models/sand")
    bar(18/total)
    download("models/stone")
    bar(19/total)
    download("models/water")
    bar(20/total)
    download("models/wood")
    bar(21/total)

    update("Installation finished!")

    sleep(1)

    term.setBackgroundColor(colors.black)
    term.setTextColor(colors.white)
    term.clear()

    term.setCursorPos(1, 1)
    write("Finished installation!\nPress any key to close...")

    os.pullEventRaw()

    term.clear()
    term.setCursorPos(1, 1)
end

install()