Increase / Eliminate the limit of how metin2 process the 3D models - Experimental

[KolenMG 358]

TLDR about what these means: You can load medium to high poly models meaning that the models that are looking "awesome"and before were not able to be loaded to metin2, now these can be loaded!

I had some fun discussions with some people about the limit of how metin2 has about 3D models and I've scrapped out a bit the client source. Found some interesting things and I've managed to change them and increase that limit. If I understood correctly from the source, metin2 allows to be correctly rendered ~65k vertices (WORD) (maybe around 20k faces) at once for a mesh. I've Increased this limit to ~4.29 billion (I think) per mesh. 

These changes were made / tested on TMP4 + DX9 (based on what I saw, I think this will work for DX8 too)

 

This can be a nice addition if someone just make some checks to increase the limit, maybe around 100k vertiges or such? this little change can also make the work of the mappers a lot easier (to no longer split models)
I also know there are talented people that can develope this idea much further. 
There is someone that also managed to eliminate / increase this limit. He sustains that he is not encountering the below warnings that I'll share to you. He is also selling it but In my humble opinion, I think he has the same problems at me, based on what he shared some days ago.  

 

WARNING

• Making these changes, you can experience a lot of lag / freezes or maybe crashes upon loading a model that is above the default (removed) metin2 limit. 
• These changes are only experimental if you want to have fun. 
• I'm not offering any kind of support. 
• Using these changes to load map objects, are less laggy but still not good for gameplay. 
• I'm not recommending using this. If you want to use this, use it for fun OR be sure that you are making a lot of optimisations since those are totally needed. If you someone have the time to make such optimisation for these little changes and wants to share with us, will be more than appreciated!

 

 

TESTS

• I've uploaded and sucessfully loaded a model with ~154k vertices, 154k indices and around ~60k faces. 
• Then I've loaded multiple entities (npcs) with this model. At the number 20, the game starts to lag, around 12-14 FPS. At 100 npcs loaded, the FPS are decreasing to 5-10. Also, the performance increase, somewhere around 1.4-1.8GB RAM used (instead of 400MB). 
• I've used the same model to place map objects. The results are a bit better. at 100 objects, i had around 14-18 FPS still. 

• Loading a single model up to 5 or 10, the performance changes are not quite visible. 

 

Download link for the test object!: 

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 I tried metin2.download but is still in Pending Upload status 

Preview

 

Gyazio Map Objects: https://metin2.download/video/F4VFwWuNNV23M3P1fTKTfvnTJUcrscHO/.mp4  

https://metin2.download/video/F4VFwWuNNV23M3P1fTKTfvnTJUcrscHO/.mp4

Gyazio NPCs: 
https://metin2.download/picture/y6ust8DDOishXOU58Yh1y5tPgG7s4XrZ/.jpg 

https://metin2.download/video/3v3Iu78SBB119cZJtO3x2jiND4Bl91B3/.mp4

Before and After: 


https://metin2.download/picture/C368rtO43j7WsQ04E6uJn36Zo7o21b9r/.jpg 

https://metin2.download/picture/PTfoBGJCBNWkwm2RAPDJyT9t0X7yEi1f/.jpg 

TUTORIAL

   Early Note: was made for fun. it is not optimised. These changes were made by just having fun. I dont have the knowledge OR the time to optimise it. but its a start for everyone. 

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Edited July 3 by KolenMG
Proper added download link for an test object.

[Denizeri24 42]

Can you share a test gr2 model?

[KolenMG 358]

Sure. Here we go a test object with 1.3 MILION faces (triangles) 

https://metin2.download/video/YU3dki4dTcNT19WUiZIeijlfaYUso2Mm/.mp4 

 

Download link: 

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Edited July 3 by Metin2 Dev International
Core X - External 2 Internal

[Denizeri24 42]

18 minutes ago, KolenMG said:

Sure. Here we go a test object with 1.3 MILION faces (triangles) 

https://metin2.download/video/YU3dki4dTcNT19WUiZIeijlfaYUso2Mm/.mp4 

 

Download link: 

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lol, one car is ate %70 of overclocked 5080

Edited July 3 by Metin2 Dev International
Core X - External 2 Internal

[KolenMG 358]

25 minutes ago, Denizeri24 said:

lol, one car is ate %70 of overclocked 5080

well yea. :)) Ive took especially that car since is too "expensive". Due to how that car is made, it cannot be used in any of current games due to too many polys as overall. I took it from the internet and then just exported to metin2. I believe that car was made puerly for cinematics OR pure fun. 

But still, metin being able to load such files in such quality, its something. but again, not optimise..  

[LoKnarash 75]

On 7/2/2025 at 6:36 PM, KolenMG said:

looking "awesome"and before were not able to be loaded to metin2, now these can be loaded!

Granny has no polygon/mesh limitations. You can load insane models with no problem (other than the time your computer can take to render it). Currently the largest model I've tried was a floating map with over 4.5k vertices.
The model in question used 4k textures + normal map, I had implemented it on the clean files I use (5.7 by Marty) and leaving aside those 3-4 extra seconds to load the first time entering the map, for the rest there were no problems.

In any case, out of curiosity, as soon as I have some free time from work, I will test this modification. 
Thanks for the release

-LN

[KolenMG 358]

17 hours ago, LoKnarash said:

Granny has no polygon/mesh limitations. You can load insane models with no problem (other than the time your computer can take to render it). Currently the largest model I've tried was a floating map with over 4.5k vertices.
The model in question used 4k textures + normal map, I had implemented it on the clean files I use (5.7 by Marty) and leaving aside those 3-4 extra seconds to load the first time entering the map, for the rest there were no problems.

In any case, out of curiosity, as soon as I have some free time from work, I will test this modification. 
Thanks for the release

-LN

Hmm. yeah. Granny itself yes. but strictely on client side, there are WORD limits for vertices / indexes (defined those as WORD = ~65k per mesh) . in regards of textures, I haven't had a chance to look on, but overall, as far as I've encountered before, I was able too to load insane textures resolutions too, on TMP4 clean. Of course, there is that known freeze / spike upon loading it. hmm, maybe there is a chance to change / get rid of this spike too. Good call out!