Legacy Mall Billboard Program - Condemned Network

--[[
This program is designed for use with Computercraft
This is a legacy version of the billboard program designed for use in Minecraft 1.6.4
Custom version for: The Condemned Network - Tekkit Main (1.6.4) player mall
Billboard Specs: 8 blocks wide by 5 blocks tall advanced monitor

Programmed by Rolcam
You can copy/modify this program as you wish, just please leave the documentation intact

]]--
--Change this to the side the monitor is on
side = "right"
-- Time variable for how long (in seconds) to display each advert
t = 5
--Redirects setup/install output to monitor (for artistic effect)
local monitor = peripheral.wrap(side)
if not fs.exists("boot") then
    term.setTextColor(colors.red)
    print("Warning: boot image missing!")
    print("Downloading image...")
    term.setTextColor(colors.white)
    shell.run("pastebin get edscQ8zU boot")
    term.setTextColor(colors.green)
    print("Main boot image downloaded.")
    term.setTextColor(colors.white)
else
    term.setTextColor(colors.green)
    print("boot image found!")
    term.setTextColor(colors.white)
end
local img = paintutils.loadImage("boot")
term.redirect(monitor)
paintutils.drawImage(img, 1,1)
term.restore()
term.setBackgroundColor(colors.blue)
term.setTextColor(colors.orange)
term.clear()
print("Rolcam's Billboard Program V3")
term.setTextColor(colors.white)
print(" ")
print("Beginning system check...")
--Checks for missing signs and labels itself
print("Checking signs...")
if not fs.exists("image") then
    term.setTextColor(colors.red)
    print("Warning: advert image missing!")
    term.setTextColor(colors.white)
    print("Downloading image...")
    shell.run("pastebin get EZDcTC35 image")
    term.setTextColor(colors.green)
    print("File downloaded")
    term.setTextColor(colors.white)
else
    term.setTextColor(colors.green)
    print("beach image found!")
    term.setTextColor(colors.white)
end

if not fs.exists("timnoot") then
    term.setTextColor(colors.red)
    print("Warning: timnoot's advert missing!")
    term.setTextColor(colors.white)
    print("Downloading image...")
    shell.run("pastebin get f0u7ttWn timnoot")
    term.setTextColor(colors.green)
    print("File downloaded")
    term.setTextColor(colors.white)
else
    term.setTextColor(colors.green)
    print("timnoot's advert found!")
    term.setTextColor(colors.white)
end

if not fs.exists("XpqUUpqX") then
    term.setTextColor(colors.red)
    print("Warning: XpqUUpqX's advert missing!")
    term.setTextColor(colors.white)
    print("Downloading image...")
    shell.run("pastebin get fk2QQhw4 XpqUUpqX")
    term.setTextColor(colors.green)
    print("File downloaded")
    term.setTextColor(colors.white)
else
    term.setTextColor(colors.green)
    print("XpqUUpqX's advert found!")
    term.setTextColor(colors.white)
end

if not fs.exists("mall") then
    term.setTextColor(colors.red)
    print("Warning: Mall sign is missing!")
    term.setTextColor(colors.white)
    print("Downloading image...")
    shell.run("pastebin get k1dsWddA mall")
    term.setTextColor(colors.green)
    print("File downloaded")
    term.setTextColor(colors.white)
else
    term.setTextColor(colors.green)
    print("Mall sign image found!")
    term.setTextColor(colors.white)
end
mallImg = paintutils.loadImage("mall")

print("Sign check completed!")
print("Checking for computer label")
if os.getComputerLabel() == nil then
    term.setTextColor(colors.red)
    print("Warning: Computer is not labeled!")
    term.setTextColor(colors.white)
    print("Labelling Computer")
    os.setComputerLabel("Mall - Billboard")
else
    term.setTextColor(colors.green)
    print("Computer is already labelled. Great!")
    term.setTextColor(colors.white)
end
print("System Check Completed!")
print("Starting Billboard!")

term.redirect(monitor)
adSign = paintutils.loadImage("image")
tnAd = paintutils.loadImage("timnoot")
XpqAd = paintutils.loadImage("XpqUUpqX")
while true do
    paintutils.drawImage(mallImg, 1, 1)
    sleep(10)
    paintutils.drawImage(adSign, 1, 1)
    sleep(t)
    paintutils.drawImage(mallImg, 1, 1)
    sleep(10)
    paintutils.drawImage(tnAd, 1, 1)
    sleep(t)
    paintutils.drawImage(mallImg, 1, 1)
    sleep(10)
    paintutils.drawImage(XpqAd, 1, 1)
    sleep(t)

end