I made a post 2 years ago that was a backpack, of course it was harder to make complex scripts back then without vars and such, so here is a more updated version.

Script: Backpack\Get

If
  HasHistory [backpack] [player] [true]
Then
  MessageBox [You already own a backpack!]
Else
  History [backpacknum] [+1]
  var [num] = [syshistory:backpacknum]
  History [backpacknum] [player] [num]
  SetBlock [num,1,1]
  MessageBox [You have succesfully got a backpack!]
EndIf


Script: Backpack\Open

If
  HasHistory [backpack] [player] [true]
Then
  var [num] = [history:backpacknum]
  OpenBlock [num,1,1,]
Else
  MessageBox [You do not own a Backpack!] [a=[Get a Backpack][Backpack\Get]]
EndIf


This does have one limit that can easily be fixed, but it probably wont ever reach its limit, this can give 1024 players a backpack before you can change it to "num,2,1" and after the height reaches a limit (which will basically never happen because at this point it will have enough space for 5,236,728 players) you can change it to "num,1,2" and then it will eventually fill the whole world with backpacks, which can give 5,362,409,472 players backpacks.

I've been very bored lately, so I would like you guys to reply with a scripting challenge for me, and make it serious, something thats not insanely hard, so if you are reading this Dryym, don't challenge me with some stupidly hard script that even you can't do.

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Script: Menu

---

HUDText [option1] [option 1]
HUDText [option2] [option 2]
SetEventScript [ButtonX] [Scroll]
SetEventScript [ButtonY] [Select]
SetEventScript [ButtonB] [Close]

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Script: Scroll

---

If
HasHistory [scroll] [player] [=] [0]
Then
History [scroll] [player] [+1]
HUDText [option2] [option 2] //reverts the option 2 back to normal so 2 arrows dont show
HUDText [option1] [option 1 <<<] //gives an arrow so they know which one they are about to select
ElseIf
HasHistory [scroll] [player] [=] [1]
Then
History [scroll] [player] [delete]
HUDText [option1] [option 1]
HUDText [option2] [option 2 <<<]
Else
EndIf

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Script: Select

---

If
HasHistory [scroll] [player] [1]
//if they are hovering over the first option, its 1 history, 2nd is 2, 3rd is 3, and the last option is 0 (none)
Then
//do whatever option 1 does
History [scroll] [player] [delete]
SetEventScript [ButtonX] [] [none]
SetEventScript [ButtonY] [] [none]
SetEventScript [ButtonB] [Back] [Back]
ElseIf
HasHistory [scroll] [player] [0]
Then
//do whatever option 2 does
History [scroll] [player] [delete]
SetEventScript [ButtonX] [] [none]
SetEventScript [ButtonY] [] [none]
SetEventScript [ButtonB] [Back]
Else
EndIf

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Script: Back

---

HUDText [option1] [option 1]
HUDText [option2] [option 2]
SetEventScript [ButtonX] [Scroll]
SetEventScript [ButtonY] [Select]
SetEventScript [ButtonB] [Close]
History [scroll] [player] [delete]

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I think the best addition to be in a HUD would be to add pictures to HUDShapes, or make a new command (HUDPicture) so players can add pictures to their screen like they do in books, this would be AMAZING for a custom UI for maps and it would be amazing for menus/heavily script based maps.

L1k3 if u 4gr33!1!!

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Ill type it out since i cant take a pic..

System.OutOfMemoryException: OutOfMemoryException
    at Microsoft.Xna.Framework.Helpers.GetExceptionFromResult(UInt32 result)
    at Microsoft.Xna.Framework.Helpers.ThrowExceptionFromErrorCode(ErrorCodes error)
    at Microsoft.Xna.Framework.Audio.SoundBank.GetCue(String name)
    at Craig.TotalMiner.AudioManagerXACT.PlaySound(String asset, Cue& cue)
    at Craig.TotalMiner.AudioManagerXACT.PlaySound(String asset)
    at Craig.TotalMiner.Screens.NumberEntryScreen.HandleInput(InputState input)
    at Craig.Engine.GameState.ScreenManager.Update(Int32 index, Boolean otherScreenHasFocus)
    at Craig.Engine.GameState.ScreenManager.Update(Gametime donotuse)
    at Microsoft.Xna.Framework.Game.Update(GameTime gameTime)
    at Craig.Engine.Game.BaseGame.Update(GameTime gameTime)
    at Craig.TotalMiner.TotalMinerGame.Update(GameTime gameTime)
    at Microsoft.Xna.Framework.Game.Tick()
    at Microsoft.Xna.Framework.Game.HostIdle(Object sender, EventArgs e)
    at Microsoft.Xna.Framework.GameHost.OnIdle()
    at Microsoft.Xna.Framework.XboxGameHost.RuneOneFrame()
    at Microsoft.Xna.Framework.XboxGameHost.Run()
    at Microsoft.Xna.Framework.Game.RunGame(Boolean useBlockingRun)
    at Microsoft.Xna.Framework.Run()
    at Craig.Engine.Game.BaseGame.Run[T]()
    at Craig.TotalMiner.Program.Main(String[] args)


I was stuck in a loop that constantly opens a new input screen everytime it loops, then like 5 minutes my admin comes in to cancel it, he cancels it, i try to hit OK to get it off, it wouldnt work, so i kep pressing OK, my HUD turned off then went black, then to this blue screen.