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Nextbot Navmesh and AI Nodegraph - zs_bankbarn

A mostly generated navmesh and completely handcrafted nodegraph for zs_bankbarn


to test the navmesh, try using it with the drgbase nextbot mod: https://steamproxy.net/sharedfiles/filedetails/?id=1560118657 or these advanced player nextbots: https://steamproxy.net/sharedfiles/filedetails/?id=2148063174.

to test the nodegraph, use the console command npc_select on an npc, the use the command npc_go to tell them to move to the area where your crosshair is.

Q/A

-Nav meshes are groups of squares placed across the map that contain information that nexbots use to see the map
Example #1 using nav_edit 1 on gm_liminal_gallery_2


Example #2 using nav_edit 1 on gm_liminal_gallery_2


Example #3 using nav_edit 1 on gm_fortbaxter

in order for any and all nextbots to work, you actually need to have a navmesh; you can create one by putting nav_generate into your console on any map, but this may take several minutes or even sometimes hours to fully generate depending on the size and complexity of the map.


- nodegraphs are similar to navmeshes, but unlike navmeshes, which are squares that cover a whole area, nodegraphs are like a long string of nodes that provides a path through a level for every other npc. (like combine, zombies, citizens etc.)

{ More examples coming soon...)
Example #1 using a nodegraph editor tool on raid_on_nova_prison_d


These nodegraphs allow ‘normal’ npcs to follow you, other npcs or just patrol around a map; npcs who do not have a node graph or have a low quality nodegraph, will usually stand in place, or pace in circles. In short, a nodegraph allows npcs complete freedom to move around a map.




-more advanced/ accurate mesh, meaning better navigation for nextbots; they're less likely to get stuck; but still possible :( .

-more optimized mesh than nav_generate.

-guess who support!

-increases the amount of hiding spots and encounter points, this improves nextbots like Gargitron.

-accommodation for nextbots separate from the 'png chasers', e.g 'crouching attribute' nodes, and parkour.

-nav meshes in places where the nav_generate command fails to create them.

-downloading this will save the nav mesh, instead of having to recreate it every time you load a new game (nav_save for anyone who wants to save a nav_generated nav mesh, this saves the nav file to the garrysmod maps folder), and it takes way less time to download this than to generate a new mesh.

-even scarier and more effective nextbots.


- Many maps either completely lack a nodegraph or the default nodegraphcan can have some problems (I can't fully guarantee good quality from my own nodegraphs for now, unlike my navmeshes - as i need to learn more about nodegraph editing)

- A nodegraph will improve default npcs (combine, citizens, zombies etc.) by alot, this will make it so npcs can properly chase players and other npcs, can flank, and can patrol, as well as many other abilities.

- Essentially, the nodegraph is a navmesh, for normal npcs; cool right.


- in the small garage section of the map, the large garage door and normal door swap between one being blocked and the other open; the nextbots and npcs will have trouble path finding due to this, they will try to walk through the closed sides sometimes.

Incase you like this navmesh: