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I'm a hardcore Dead Ops Arcade player (I know they're not many of us) and have been to Round 160 legit. We've basically determined that beating 160 is not possible due to too many gems spawning from killing the Boss('s) and causes a G_Spawn. I've used mods since to prove this over and over again. See video here:


For about a year now, I have been wanting to see what Round 200 (and possibly farther) would be like and have been very disappointed that the game crashes/G_Spawn's at 160 making it impossible to go any farther. So, I started exploring mods and in the last few weeks with the help of NGU and especially ZOMBIEKILLAH I have been playing with gamesaves, and then EBOOTs, making my own EBOOTs and now trying to modify the fastfiles. My theory is that if the code can be modified to limit the amount of gems that spew out of a Boss Monkey when killed, that perhaps the game will not G_Spawn. I've looked through the fast file of zombietron.ff (/dev_hdd0/GAMES/BLUS30591-[Call of Duty Black Ops]/PS3_GAME/USRDIR/english) and zombietron_patch.ff (/dev_hdd0/game/BLUS30591/USRDIR/english). In both of these I have noticed the same line :

set_zombie_var( "zombie_treasure_boss", 25);

[ATTACH=CONFIG]18817[/ATTACH]

What I believe can be done is change the value "25" to a lower number, preferably say "1" which will cause the Monkey's to spew 25x less gems? The problem is when I try editing this, I keep getting a syntax error while Dead Ops Arcade is loading.

What I have tried:
I have gone into zombietron_patch.ff using TheUnknowns Fast File Viewer, changing this value from 25 to 1 (also tried 15 & 20) within the viewer and also have tried copy/paste from Notepad++. I also modified the EBOOT to remove the RSA check per Choco's tutorial but to be safe, I've also tried one of his patched EBOOT's as well just in case I did this incorrectly.

From the sounds of it, modifying the .ff for Black Ops is not very cut & dry. All I am looking to do is get passed Round 160 without a G_Spawn so that I can continue on to Round 200 and possibly farther. I am not concerned with going online although that is obviously always more fun. I am wondering if someone may be able to give me some direction, suggestions, or even create the modified fastfile for me. Any help would be greatly appreciated. I know many people that like me are anxious to see beyond the current cap of Round 160 in Dead Ops Arcade.

If you are willing to provide me with some guidance I would be willing to help with anything I could although I am somewhat limited with my abilities. However, I am able to record in HD and could also give a kick-ass DOA .bin/gamesave. lol The DOA mods that I have found are fairly limited to what binds they have so with much help from ZOMBIEKILLAH, I've developed my own that has more than any DOA mod I've been able to find.

Thanks in advance for any light anyone is willing to shed.



********** UPDATE - 8/24/2012 **********

I have figured out that I was getting a syntax error when starting the match because the EBOOT did not properly remove the RSA check. I tried one more time, getting the 1.02 Debug EBOOT, unselfing it, removing the code for the RSA check, and converting it back to a .bin. I was then able to start up the game however none of the changes I made to the .ff affected the game.

I've hit another wall and not sure what to try next to alter the fastfile so that it modifies the game. I need some way to limit or remove the gems when they reward you by spewing from the Cosmic Silverback (Boss) after killing him.

Here are things I've tried to do to the .ff to see if these changes carried over into the game.

File: zombietron_patch.ff

sub-file (*.gsc): maps/zombietron.gsc
Line: 212
Original: set_zombie_var( "zombie_treasure_boss", 25);
Edit: set_zombie_var( "zombie_treasure_boss", 1);
Also tried 5, 10, 15, 20, null, 0, and deleting the line altogether

Line: 226
Original: set_zombie_var( "max_lives", 9 );
Edit: set_zombie_var( "max_lives", 5 );

Line: 227
Original: set_zombie_var( "max_bombs", 9 );
Edit: set_zombie_var( "max_bombs", 5 );

Line: 228
Original: set_zombie_var( "max_boost", 9 );
Edit: set_zombie_var( "max_boost", 5 );

Line: 229
Original: set_zombie_var( "max_multiplier", 9 );
Edit: set_zombie_var( "max_multiplier", 5 );

sub-file (*.gsc): maps/_zombietron_main.gsc
Line: 150
Original: self.lives = 3;
Edit: self.lives = 4;

Line: 151
Original: self.bombs = 1;
Edit: self.bombs = 2;

Line: 152
Original: self.boosters = 2;
Edit: self.boosters = 3;

sub-file (*.gsc): maps/_zombietron_ai_ape.gsc
Original: level thread maps\_zombietron_pickups::spawn_uber_prizes( RandomFloatRange(0.5,1)*(9*level.zombie_vars["max_prize_inc_range"]), zombie.origin, true );
Edit: level thread maps\_zombietron_pickups::spawn_uber_prizes( RandomFloatRange(0.1,0.2)*(1*level.zombie_vars["max_prize_inc_range"]), zombie.origin, true );
I've also tried changing true to false, as well as


I've tried many of these all at once as well as individually. If anyone has any other ideas, please let me know. Thanks in advance for your input.

I tried changing 25 to null and then I tried deleting the entire line and neither worked. :/
Back to the drawing board.

Maybe try not decreasing the value so much ? (0), Try just using (20), if you dont get the syntax error try moving the number lower ? this is just a guess i dont have a clue about modding DOA but maybe your getting the error because the line (Code) needs to stay the same lenght it origanaly was ? :lol:
Also maybe you need to put the same Modified Code thats in the .ff in the EBOOT.BIN ? like i said ive never modded DOA these are just Guesses (Opinons)

In my original post, I said I tried values of 15 and 20. Those had the same result. I think it's more the fact that modifying a Black Ops fastfile is very difficult and there are only a few that know how to do it properly. It was suggested to me not to modify a retail .ff, instead edit a modified one. But I don't know where to find a modified zombietron_patch.ff

ill try taking my zombietron.ff and edit the value if it loads DOA after i do this ill let you know ! mine is not already modded but im just trying to help

I appreciate it! I believe the file to edit is the zombietron_patch.ff which is in the game directory (patches) rather than the zombietron.ff which is in the GAMES directory (backed up).

PM me with a link to your edited fast file, I'll try my best to make something of it, If I can then I will send it back to you asap!

Try this:
add a random code to the code you're editing such as the one to print text on the screen, If it errors at that then I think that you need a specialized EBOOT with the RSA checks removed!

If the text printing idea works then I'll take a look when I can!

Each time I tried something new, it was always with the RSA checks removed. First I modified the EBOOT myself per .Choco's tutorial. After a few attempts of that not working, I downloaded .Choco's EBOOT that had the RSA checks removed and was still getting the same error.

In that case.. I have no damn clue :|

Perhaps ask Choco about modding black ops?

Try This:
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Hopefully should work!