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-   -   [TF2] Anti-Invis Wrench Exploit (https://forums.alliedmods.net/showthread.php?t=320840)

Batfoxkid 01-11-2020 22:56

[TF2] Anti-Invis Wrench Exploit
 
1 Attachment(s)
A plugin that prevented invisible Heavy exploit, no longer needed today!



This simply denies respawning when changing classes from a Engineer to a Heavy.

Alternative Versions:
EF_NODRAW method
FL_TRANSRAGDOLL method

404UNF 01-12-2020 03:47

Re: [TF2] Anti-Invis Wrench Exploit
 
Try setting the player's RenderColor alpha field back to 255 if they switch from Engineer to Heavy. Far as I can tell, there should be a non-restrictive way of solving this.

bakugo 01-12-2020 12:30

Re: [TF2] Anti-Invis Wrench Exploit
 
1 Attachment(s)
There's a much better way to fix this, you can actually detect when the exploit is active by periodically checking a netprop (m_fEffects & EF_NODRAW). I do not believe this netprop value is used on players for any other purpose, but I may be wrong, I haven't tested it much.

I've attached an example plugin that simply slays the player if they try to do it.

nosoop 01-12-2020 19:30

Re: [TF2] Anti-Invis Wrench Exploit
 
2 Attachment(s)
Another method that was reported is to check for the FL_TRANSRAGDOLL flag via GetEntityFlags().

----

I've written my own version (not implementing the above) that completely blocks the bug from occurring, instead of dealing with players that exploit it after the fact. Source and releases are available here; also attached a copy below.

Requires detour-supported DHooks.

Hoto Cocoa 01-13-2020 09:15

Re: [TF2] Anti-Invis Wrench Exploit
 
Let's see how long will valve take to fix this

404UNF 01-13-2020 12:27

Re: [TF2] Anti-Invis Wrench Exploit
 
Quote:

Originally Posted by Hoto Cocoa (Post 2680049)
Let's see how long will valve take to fix this

Looking at the two fix plugins I made, specifically when I released them vs when Valve finally fixed the issue:

Shortstop Shove Animation Enabler
Plugin Released: January 20th, 2017
Actually Patched: February 6th, 2017
Time between plugin release and official fix: 18 days

TF2 func_rotating fix
Plugin Released: November 28th, 2018
Actually Patched: December 20th, 2018
Time between plugin release and official fix: 23 days (not counting the initial 11 years the entity was broken for)

We'll count these various Invisible Heavy fix plugins as all being released on January 11th, 2020 (thread creation date). Once Valve finally fixes the issue, we can get an idea of how long it took for them to fix it compared to the other situations.

Batfoxkid 01-18-2020 14:11

Re: [TF2] Anti-Invis Wrench Exploit
 
Looks like as of today, these plugins are no longer needed!

And only 7 days.

asherkin 01-18-2020 14:20

Re: [TF2] Anti-Invis Wrench Exploit
 
Quote:

Originally Posted by Batfoxkid (Post 2680789)
And only 7 days.


404UNF 01-18-2020 15:45

Re: [TF2] Anti-Invis Wrench Exploit
 
Quote:

Originally Posted by Batfoxkid (Post 2680789)
Looks like as of today, these plugins are no longer needed!

And only 7 days.



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