Homebrew Counter Strike Nintendo DS

Fewnity · Apr 5, 2021

Hey everyone, I'm making Counter Strike for Nintendo DS for fun!

For this, i'm using libnds (devkitPro) and Nitro Engine (3D engine).
I still need to do a ton of things but the game will be multiplayer!

There is one map (Dust2) for the moment.
Because of the NDS limitations, I'm not sure that I can change the characters...
But I think the game will to fun to play ^^

Short video :

Do not hesitate if you have any questions!

The game on a real Nintendo DS.

banjo2 · Apr 6, 2021

Will you be publishing the source code for this?
And why exactly would if be difficult to change the characters?

Coto · Apr 6, 2021

banjo2 said:
Will you be publishing the source code for this?
And why exactly would if be difficult to change the characters?

(I guess) the problem wouldn't be as much as changing the model (mesh + texture), but actually animating (bone skin + skeleton) a mesh isn't something as standardized in NDS open source code. I'm actually at that stage, lol.

There are some editors that actually do that in official 3D formats used:
GitHub - scurest/apicula: Convert DS .nsbmd models

Also @OP good work getting multiplayer code working.

Edit: Game ports using OpenGL (normals, textures and diffuse/ambient lights) are using the DS 3D GPU directly as it seems to be an OpenGL 1.2 with some hard coded hacks:

Avoiding 16 Common OpenGL Pitfalls

OpenGL 1.2 adds a new glEnable mode called GL_RESCALE_NORMAL that is potentially more efficient than the GL_NORMALIZE mode. Instead of performing a true normalization of the transformed normal vector, the transformed normal vector is scaled based on a scale factor computed from the inverse modelview matrix's diagonal terms. GL_RESCALE_NORMAL can be used when the modelview matrix has a uniform scaling factor.

and features (fog, toon shading, etc). Which means, by doing that, you skip the animation stuff. (as it's performed realtime, rather than scripted/prerendered like these formats specify)

Edit: There's also another issue, the VideoGL library (written by Dovoto) seems to use DisplayLists which is what OpenGL 1.0 does, and OGL 1.1 introduces texture objects. Which give context and control to textures. This is entirely implementation defined and does not rely on hardware tricks as it gives proper context to textures emitted by a DisplayList. This is problematic if, say, a NDS client wants to render to texture (mapped a face of the polygon), which is used in animation and/or may want to choose another texture slot than it was assigned at the time the DisplayList ran. It's absolutely doable.

MyDePain · Apr 6, 2021

Wow ! Looks good honestly !

Fewnity · Apr 6, 2021

banjo2 said:
Will you be publishing the source code for this?
And why exactly would if be difficult to change the characters?

Yes I will publish the source code of the game and of the server.

--------------------- MERGED ---------------------------

Coto said:
(I guess) the problem wouldn't be as much as changing the model (mesh + texture), but actually animating (bone skin + skeleton) a mesh isn't something as standardized in NDS open source code. I'm actually at that stage, lol.

My problem is CPU power for animations... The game engine use so much cpu for animations...
And yes I have some problem with models and animations... I need a md2 file (include model and animations) and for this i'm using MilkShape 3D, an old program with some problems...

--------------------- MERGED ---------------------------

MyDePain said:
Wow ! Looks good honestly !

Thanks

The Real Jdbye · Apr 6, 2021

Fewnity said:
Hey everyone, I'm making Counter Strike for Nintendo DS for fun!

For this, i'm using libnds (devkitPro) and Nitro Engine (3D engine).
I still need to do a ton of things but the game will be multiplayer!

There is one map (Dust2) for the moment.
Because of the NDS limitations, I'm not sure that I can change the characters...
But I think the game will to fun to play ^^

Short video :

Do not hesitate if you have any questions!

The game on a real Nintendo DS.

You can definitely change the models. Mario Kart DS had fully 3D rendered characters and karts.

Fewnity · Apr 6, 2021

The Real Jdbye said:
You can definitely change the models. Mario Kart DS had fully 3D rendered characters and karts.

Yeah, I can, but I need to do so much optimization

I need to improve my occlusion culling system and I need to find a very low poly character with animations...
For the moment my game is limited to 6 players (with the "Minecraft" model), animation system is too heavy for the CPU. With a higher polygons counts character model the CPU will be in fire xD

KimKong · Apr 6, 2021

This looks really cool! Nice work with all this! Hope you will add all the cool old skool maps and weapons. This could be something really special when it's finished!

Btw, I remember MilkShape3D from back in the day when I was modding Quake!
Ahh yes.. Fun daze..!

Moon164 · Apr 18, 2021

Awesome

Can't wait to test.

Fewnity · Apr 18, 2021

KimKong said:
This looks really cool! Nice work with all this! Hope you will add all the cool old skool maps and weapons. This could be something really special when it's finished!

Btw, I remember MilkShape3D from back in the day when I was modding Quake!
Ahh yes.. Fun daze..!

Thanks ^^ For the moment, only Dust 2 will be in the game, but maybe later

--------------------- MERGED ---------------------------

Moon164 said:
Awesome
Can't wait to test.

Be patient

Fewnity · Apr 24, 2021

Now I'm making bots for the game ^^

Deleted member 514389 · Apr 24, 2021

Wow O_O. That looks great :-)

Fewnity · Apr 24, 2021

notrea11y said:
Wow O_O. That looks great :-)

Thank you ^^

TheMiningBoyAlpha · Apr 28, 2021

Fewnity said:
Yes I will publish the source code of the game and of the server.

--------------------- MERGED ---------------------------

My problem is CPU power for animations... The game engine use so much cpu for animations...
And yes I have some problem with models and animations... I need a md2 file (include model and animations) and for this i'm using MilkShape 3D, an old program with some problems...

--------------------- MERGED ---------------------------

Thanks

i can help model for ya, i dmed you (not about models) and i can help

nerdlevel1 · May 8, 2021

really late comment but this is crazy impressive I wish people still made more ds homebrew

Fewnity · May 26, 2021

New video about Counter Strike Nintendo DS!
I added a new aiming system for guns/camera!

nerdlevel1 · May 26, 2021

Now thats amazing!
\

jeffyTheHomebrewer · May 26, 2021

What if you made TF2 for the 3DS?

AsPika2219 · May 28, 2021

I will waiting!!!!

Fewnity · Jun 11, 2021

Today, small video to show the bomb planting system

Homebrew Counter Strike Nintendo DS

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