Models vs Brushes

if you have mean to make CSGO map without using a brushes, in some cases, this can be done without brushes, example - small map like a box with few barricades (sample fy_snow)

but if you want build something like DE_SEASON by Ted and FMPONE, game will be laggy, because brush structure responsible for optimizing the map, http://youtu.be/mIy0Usc8zXU?list=UUiKV_fEUKDc2IxTvTTQLegw

it work on all Quake(Q1/2/3/4, nexuiz,xonotic,warsow) and HL/CS(HL1/2,CS,CSS, and all games on source engine)

p.s. sorry for my english

Regarding Source engine, it depends a lot from the game structure. For example no brushes strategy doesn't work with CSGO. Like Z(Rus) said, brushes are important thing in terms of cutting visibility so too much of the map doesn't draw out immediately. Other engines approach stuff like this differently but for Source, brushes are kind of important.

However, if you look Source at games such as L4D2, nearly every building (if not inside the bulding itself), nearly every level is made of displacements, models and func_detail brushes. In L4D2, Valve uses the fog as element to hide the models fade in and out distances and nearly the whole map is drawn out at once. Sure, there are some areas that cut visibility, for example skybox textures and areaportals but if you look at levels such as swamp fever and it's first map, there definitely isn't much of brushwork used that is solid in the map.

TL;DR: games like CSGO require brushwork to run great.

You wouldn't. Source relies on brushes for nearly all optimization.

Yeah brushes are esential for optimization (source use portalling) and also models lighting is baked into vertices (not good for big surface)

So you have to make the main architecture with brushes and fil it with models.

I think it's due to rendering passes?

Edit - kind of right according to 3dnj

If source had a mesh culling system it would be amazing.

You can build quite a bit with modular models and have the basic infrastructure as brushes.

Only downside is this can be expensive on custom assets.

Quote from cashed

If source had a mesh culling system it would be amazing.

wut, cant be right, you have occluder brushes and stuff like that? years since I've used source now though

Quote from Pampers

wut, cant be right, you have occluder brushes and stuff like that? years since I've used source now though

Func_occluders are performance-heavy though. Maps are not supposed to be filled with them, as it'll make them run only slower.

but thats what a mesh culling system is

func_occ i assume is very old tech that hasn't been improved enough. Since most engines today have gone mesh based, the mesh culling you see has a much greater importance and has received much more love.

People still use brushes?  

Quote from PogoP

People still use brushes?  

:fist: :fist: :fist: :fist: :fist: :fist: :fist: :fist: :fist: :fist: :fist: :fist: :fist: :fist: :fist: :fist: :fist: :fist:

You could do a model based level as long as you place nodraw brushes behind meshes and use different optimization techniques. The problem has always been how models were lit, though with CSGO this shouldn't be a problem, at least in the outside areas.

Despite that, you wouldn't end up with a good optimization if you increase a lot the number of tris in the scene, point him to any source based game so he can see the standard. Anyway, optimization or gameplay doesn't seem to be that important for Valve when choosing a map though, so he could have an opportunity just based on the theme and custom content.

Gaben, we nid the source engine 2!