| Server crash [message #470991] |
Mon, 09 July 2012 04:35  |
Troll King
Messages: 56
Registered: June 2012
Location: Netherlands
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I have found the problem in MX0_MissionStart_DME that causes the server crash. (If I remember correctly it didn't crash in 3.4.4?)
I was able to find it by decompiling it and looking into what it could crash.
The command that is causing the crash is Commands->Select_Weapon.
Use these settings to make any server crash: Commands->Select_Weapon(0, "");
Such command as this is in MX0_MissionStart_DME. If you aren't in the game (OnLevelLoad, you aren't in the game yet but Created event of scripts is called so Commands->Select_Weapon in MissionStart_DME aswell.).
So MissionStart_DME uses Commands->Get_A_Star to find the closest star, that would return 0 when there is none I suppose.
EDIT: In the past I used level reedit to get M13.mix I put it on my server as it got out so no changes. It used to work without a crash but now it crashes on MissionStart_DME.
Also Known As: Neijwiert
[Updated on: Mon, 09 July 2012 04:39] Report message to a moderator |
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| Re: Server crash [message #470993 is a reply to message #470991] |
Mon, 09 July 2012 04:39  |
iRANian
Messages: 4299
Registered: April 2011
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General (4 Stars) |
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It's passing a NULL pointer as first argument to Select_Weapon(), the second argument can also have issues with certain code running on a server, you should clone the script and have it select a valid weapon. If you clone the script you can register your clone as "MX0_MissionStart_DME", if you do that you can release your fix as an SSGM 4.0 plugin.
Long time and well respected Renegade community member, programmer, modder and tester.
Scripts 4.0 private beta tester since May 2011.
My Renegade server plugins releases
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| Re: Server crash [message #470994 is a reply to message #470991] |
Mon, 09 July 2012 04:41 |
Troll King
Messages: 56
Registered: June 2012
Location: Netherlands
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| Quote: |
It's passing a NULL pointer as first argument to Select_Weapon()
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No shit sherlock  . But I could release a clone indeed. The point is it worked before but now it doesn't.
Also it doesn't matter what you fill in at weapon_name. You can pass in an empty string or a NULL pointer doesn't crash. only if you pass a NULL pointer in the GameObject variable it starts to whine.
Also Known As: Neijwiert
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| Re: Server crash [message #470995 is a reply to message #470991] |
Mon, 09 July 2012 04:47 |
iRANian
Messages: 4299
Registered: April 2011
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General (4 Stars) |
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Yes but the functions that return the name of a weapon a guy has might return a NULL pointers and some code doesn't work correctly with it will cause the server to crash.
Long time and well respected Renegade community member, programmer, modder and tester.
Scripts 4.0 private beta tester since May 2011.
My Renegade server plugins releases
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| Re: Server crash [message #470996 is a reply to message #470991] |
Mon, 09 July 2012 04:52 |
Troll King
Messages: 56
Registered: June 2012
Location: Netherlands
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I know but I'm trying to point this out so they can script safeguards or something in those commands that will prevent invalid passing on of information. And also prevent server crashes.
Also Known As: Neijwiert
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| Re: Server crash [message #470997 is a reply to message #470991] |
Mon, 09 July 2012 05:00 |
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ok, this should be fixed for the next build now so that Select_Weapon wont crash when passed 0 for the first parameter.
Jonathan Wilson aka Jonwil
Creator and Lead Coder of the Custom scripts.dll
Renegade Engine Guru
Creator and Lead Coder of TT.DLL
Official member of Tiberian Technologies
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| Re: Server crash [message #470998 is a reply to message #470991] |
Mon, 09 July 2012 05:01 |
Troll King
Messages: 56
Registered: June 2012
Location: Netherlands
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Also, Westwood uses these settings Iran:
Vector3 Pos = Commands->Get_Position(obj);
GameObject *Star = Commands->Get_A_Star(Pos);
Commands->Select_Weapon(Star, "");
Also Known As: Neijwiert
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