reactor control - a new beginning

-- implicitly localize and initialize variables that outside of functions
local password, key = "",""

-- setup your functions that contain code you wish to reuse
function startReactor(type,unit,bundleColor)
  -- type will be either "breeder" or "quad core"
  -- unit is its unit designation number
  -- bundleColor is the numerical value of the colors needed to activate the redstone to turn on the reactor
     wipeScreen()
     delayPrint(3,"Loading Mainframe...")
     print()
     delayPrint(2,"Loading Subsystems...")
     print()
     if type == "breeder" then
        delayPrint(2,"Starting Breeder Reactor " .. unit .. "...")
     else -- maybe we don't want to chain an if but want instead a failsafe execution if the above test is false
        delayPrint(2,"Starting Reactor Quad Core " .. unit .. "...")
     end
     redstone.setBundledOutput("back", bundleColor)
     sleep(2)
     redstone.setBundledOutput("back", 0)
     print()
     print(" Reactor quad core 1 Successfully Started")
     if type == "breeder" then
        delayPrint(2,"Breeder Reactor " .. unit .. " Successfully Started")
     else
        delayPrint(2,"Reactor Quad Core " .. unit .. " Successfully Started")
     end
end -- the end of the function

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

function delayPrint(pause,msg)
   print(msg)
   sleep(pause)
end

function getKey(prompt)
  local key = "" -- not the same as the other key outside the function
  print(prompt)
  _, key = os.pullEvent("char") -- char is an event that occurs when keyboard key is pressed
  return key -- send key back as value to the calling line for assignment or processing
end

-- functions shouldn't be defined after this point as what is below is the main body of the program

wipeScreen()
print("Uranium Tech.Inc")
write("Enter password to access controls: ")
password = read("*")

if password ~= "DarkDeath" then
   print("Unauthorized Access! Reactor Meltdown Emminent!")
   return -- if you don't type the right password this line shoots back out of the program
else
   print("Well Done Master! You've remembered your password after a night of binge drinking!")
   -- but you did so it keeps you in the program
end

_ = getKey("Press any key to continue.") -- if we don't do this no one will see the success message above.


-- now let's start that forever loop I told you about

while true do -- you see true is always true so the loop keeps running

   wipeScreen()

   print("Nuclear Reactor Control Mainframe")
   print()
   print("1. Start Reactor quad core 1 - Press 1")
   print ("2. Start Reactor quad core 2 - Press 2")
   print("3. Start Breeder Reactor 1 - Press 3")
   print("4. Start Breeder Reactor 2 - Press 4")
   print("5. Stop Reactor quad core 1 - Press 5")
   print("6. Stop Reactor quad core 2 - Press 6")
   print("7. Stop Breeder Reactor 1 - Press 7")
   print("8. Stop Breeder Reactor 2 - Press 8")
   print("9. Start and Stop Refueling Process - Press 9")
   print("10. Re-route Power to the Mass. Fab. Array - Press q")
   print("11. Re-route Power to the Main line - Press w")
   print("12. Close/Open Maintenance Blast Doors - Press e")
   print("13. Start/Stop full auto cycles - Press r")
   print("14. Activate Self-destruct sequence - Press t")
   print("15. Cancel and Shutdown - Press y")

   key = getKey("Your command?")
   if key == "1" then
      startReactor("quad",1,colors.red)
   elseif key == "2" then
      startReactor("quad",2,colors.cyan)
   elseif key == "3" then
      startReactor("breeder",3,colors.magenta)
   elseif key == "4" then
      startReactor("breeder",4,colors.green)
   end -- stop testing key for now

end -- this is the other side of the forever loop when cc sees this it shoots back to the line containing the "while"

--[[ I see now why the others didn't want to throw you a bone and are leaving the thread alone. They are teaching me a lesson in compassion. I am feeling abused here. ]]