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| {{lang|Nav Mesh}} | | {{MultiPage}} |
| A [[w:Navigation mesh|'''Navigation Mesh''']] (or shorter: '''nav mesh''') is a data structure that stores data used for path finding, which is typically used by bots. In {{source|4}}, navigation meshes are used by the following entities:
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| # [[Bot]]s and Hostages in:
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| #* {{css|4}}
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| #* {{csgo|4}}
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| # [[NextBot]] entities in:
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| #* {{l4d|4}}
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| #* {{l4d2|4}}
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| #* {{gmod|4}}
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| #* {{tf2|4}}
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| …to realize what's navigable in their environment, and path to their desired destination.
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| ==NAV files==
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| {{Main|NAV}}
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| Navigation Mesh data is stored in a [[NAV]] file corresponding to the map file ([[BSP|.bsp]]) for which it is used. For example, the nav mesh for <code>cstrike\maps\de_dust.bsp</code> is stored in <code>cstrike\maps\de_dust.nav</code>.
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| ==Navigation Mesh Editing==
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| {{Main|Nav Mesh Editing}}
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| {{Main|Nav Mesh Commands}}
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| The Navigation Mesh Editing is done in-game. A (new) .nav file can be generated with <code>nav_generate</code> (which requires {{Command|sv_cheats|1}} and {{Command|nav_edit|1}}).
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| ==Game Specific SubVersions==
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| {| class="standard-table"
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| ! Game !! Nav Mesh Class !! Subversion !! Notes
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| |-
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| | {{gmod|2}}
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| | TheNavMesh
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| | 0
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| | Garry's Mod is using the base navigation mesh (It doesn't use it's own implementation unlike Valve games)
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| |-
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| | {{css|2}}
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| {{csgo|2}}
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| | CSNavMesh
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| | 1
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| | * Appends approach area data to each area.
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| |-
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| | {{tf2|2}}
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| | CTFNavMesh
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| | 2
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| | Appends TF2-specific attribute flag to area data.
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| |-
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| | {{l4d|2}}
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| | TerrorNavMesh
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| | 13
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| |-
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| | {{l4d2|2}}
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| | TerrorNavMesh
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| | 14
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| |}
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| ==See also==
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| * [[Nav Mesh Commands|Navigation Mesh Console Command Reference]]
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| * [[List of L4D Series Nav Mesh Attributes]]
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| * [[L4D Level Design/Nav Meshes]]
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| * [[L4D Level Design/Nav Flow]]
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| * [[L4D Level Design/Advanced Nav Editing]]
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| ==External Links==
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| * Official forums for the bot system (down) - [http://web.archive.org/web/*/http://www.turtlerockstudios.com/forums/csbot/ Archived version].
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| * [https://www.editlife.net/tutorial.php?tutid=60 Waypointing for CS:S Bots/Hostages (Edit Life)]
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| [[Category:Level Design]]
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