Making projectiles pass through grates (Source Mod)

[ChromeAngel]

I've got a projectile, based on CBaseGrenade that currently explodes when it hits the world. I would like to modify it so the projectiles can pass through grate textures. Using MASK_SHOT_PORTAL seems to do the job when tracing hitscan weapons attacks, but i'm not sure the best way to handle this when a projectile is involved.

I would have thought one of the COLLISION_GROUPs might do the trick, but none of the descriptions mention grate textures.

Any suggestions?

[zombie@computer]

No idea, i guess you can try the obvious ones.
Usually the problem is solved by making the grated brushes func_brush (nonsolid) with a cliptexture the same size.

[ChromeAngel]

Ideally i'd be looking for pure code fix that works with existing maps, since the mappers often get lost in the warp without sending me the VMF first. Thanks for the suggestion though Z@C.

[Gambini]

No idea, i guess you can try the obvious ones.
Usually the problem is solved by making the grated brushes func_brush (nonsolid) with a cliptexture the same size.

A clip brush doesn´t block physic objects.

[ChromeAngel]

i'm putting this on the back burner, the way I thought I could make it work doesn't... I can't be bothered to spend much more time on this minor annoyance.