Nav Mesh

This page documents information about a game,
Counter-Strike: Global Offensive, that is no longer available for purchase or download digitally.
It is covered here for historical and technical reference.

It is covered here for historical and technical reference.
A Navigation Mesh (NavMesh or nav mesh[Clarify]) is a data structure that stores data used for path finding, which is typically used by bots. In Source, navigation meshes are used by the following entities:
…to realize what's navigable in their environment, and path to their desired destination.
Contents
NAV file format
Main article: .nav
NAV files
Navigation Mesh data is stored in a NAV file corresponding to the map file (.bsp) for which it is used. For example, the nav mesh for cstrike\maps\de_dust.bsp
is stored in cstrike\maps\de_dust.nav
.
Main article: Nav Mesh Editing
Main article: Nav Mesh Commands
The Navigation Mesh Editing is done in-game. A (new) .nav file can be generated with nav_generate
(which requires sv_cheats 1
and nav_edit 1
).
Game Specific SubVersions
Game | Nav Mesh Class | Subversion | Notes |
---|---|---|---|
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TheNavMesh | 0 | Garry's Mod is using the base navigation mesh (It doesn't use it's own implementation unlike Valve games) |
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CSNavMesh | 1 | * Appends approach area data to each area. |
![]() |
CTFNavMesh | 2 | Appends TF2-specific attribute flag to area data. |
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TerrorNavMesh | 13 | |
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TerrorNavMesh | 14 |
See also
- Navigation Mesh Console Command Reference
- List of L4D Series Nav Mesh Attributes
- L4D Level Design/Nav Meshes
- L4D Level Design/Nav Flow
- L4D Level Design/Advanced Nav Editing
External Links
- Official forums for the bot system (down) - Archived version.
- Waypointing for CS:S Bots/Hostages (Edit Life)