Can BO2 DLC5 maps be brought back by modding?
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Logo Hey, my team and I are working on converting and decompiling these dev build files for PC. Can you help us with that? If you managed to convert the natch, we'll certainly be able to recover a lot of the removed content from the game. If you could share with us how it works, we can help each other with this.
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Logo could you tell me how you ported this i keep getting this error and ive been trying my best to fix it

Fr0s_ty_ That error is the game telling you it's not a PC fastfile at all. The -1845493760 version is 0x92000000 in hex, which is the 360 build's version byte (146) read backwards. Console fastfiles are big-endian, PC wants little-endian 147. You're feeding Plutonium the raw 360 zone straight from the leak, so it's rejecting it. Hex editing the header to 147 won't get you anywhere either, everything inside is still big-endian console data.
To actually get it working you'd need to:
- Build a zone tool that reads 360 zones and writes PC ones (I started from OpenAssetTools and added Xenon loaders)
- Convert every asset type to the PC layout, rebuild the images into a PC ipak, and transcode the XMA audio
- Remap all the materials to PC shader sets, since console shaders are compiled Xenos GPU code and will never run on PC
- Ship a mod package + scripts to fill the gaps the console zone can't cover
- Then debug crashes one asset type at a time, diffing against retail zones as your reference
It's a byte-level format conversion. Took months of reverse engineering to crack what was halting loading. I do plan on releasing all of my source code at some point, so if you'd rather not fight through all that yourself, keep an eye out.
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Logo Hey, my team and I are working on converting and decompiling these dev build files for PC. Can you help us with that? If you managed to convert the natch, we'll certainly be able to recover a lot of the removed content from the game. If you could share with us how it works, we can help each other with this.
-
Here's a quick showcase video I made: https://youtu.be/7IQT6hc4vek?si=P56vKBVMzLFIj0OV
Nacht is nearing completion, will be transitioning to working on the rest of the maps next. If anyone's interested in bug testing, reply to this message or reach out to me on Discord: logo2k
Feedback is much appreciated. I'll probably start a new thread soon.
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Fr0s_ty_ That error is the game telling you it's not a PC fastfile at all. The -1845493760 version is 0x92000000 in hex, which is the 360 build's version byte (146) read backwards. Console fastfiles are big-endian, PC wants little-endian 147. You're feeding Plutonium the raw 360 zone straight from the leak, so it's rejecting it. Hex editing the header to 147 won't get you anywhere either, everything inside is still big-endian console data.
To actually get it working you'd need to:
- Build a zone tool that reads 360 zones and writes PC ones (I started from OpenAssetTools and added Xenon loaders)
- Convert every asset type to the PC layout, rebuild the images into a PC ipak, and transcode the XMA audio
- Remap all the materials to PC shader sets, since console shaders are compiled Xenos GPU code and will never run on PC
- Ship a mod package + scripts to fill the gaps the console zone can't cover
- Then debug crashes one asset type at a time, diffing against retail zones as your reference
It's a byte-level format conversion. Took months of reverse engineering to crack what was halting loading. I do plan on releasing all of my source code at some point, so if you'd rather not fight through all that yourself, keep an eye out.
-
Here's a quick showcase video I made: https://youtu.be/7IQT6hc4vek?si=P56vKBVMzLFIj0OV
Nacht is nearing completion, will be transitioning to working on the rest of the maps next. If anyone's interested in bug testing, reply to this message or reach out to me on Discord: logo2k
Feedback is much appreciated. I'll probably start a new thread soon.
-
Here's a quick showcase video I made: https://youtu.be/7IQT6hc4vek?si=P56vKBVMzLFIj0OV
Nacht is nearing completion, will be transitioning to working on the rest of the maps next. If anyone's interested in bug testing, reply to this message or reach out to me on Discord: logo2k
Feedback is much appreciated. I'll probably start a new thread soon.
Logo This is nuts, I have been following this thread for about a week now and was so convinced that this was all a troll. This is crazy, will this release include the unreleased guns that were in the maps like the FAL OSW? This genuinely looks better than BO3's chronicles in terms of atmosphere. Super hyped!
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Logo If theres a server for it I'd be interested in trying to help test the map pack, not sure how much use I'd be though compared to others but I know how to play zombies at least

binaryO_O Awesome, the more the merrier! Nothing to release quite yet but soon. I'll be posting a new thread as soon as there's something to release.
Here's a link to where progress is being generally posted, both myself and other unrelated ones: https://discord.gg/PPZDt4YSS
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Logo This is nuts, I have been following this thread for about a week now and was so convinced that this was all a troll. This is crazy, will this release include the unreleased guns that were in the maps like the FAL OSW? This genuinely looks better than BO3's chronicles in terms of atmosphere. Super hyped!
Mr.Something Yup, that's the plan. Whole thing should be done within a few weeks.
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