Combat
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A hub for articles about creating fighting and combat in Source maps and mods.
General NPCs
ai_relationship- Sets which NPCs will fight or ally with which others- List of default AI relationships
info_node, Hint nodes and Nodegraph for NPC navigation. Without the former, NPCs generally will not move.- States
- AI Programming - not combat-specific
General NextBots
- Nav Mesh — Without this, NextBots will be unable to move.
- Example of NextBot Behaviors
Half-Life 2
Control
ai_goal_police- Station a guard at a door (non-lethal)- Assaults - Organized attacks along a path
- Door kicks (through the use of
scripted sequences) path_corner- Used to create patrol routes (see External links for tutorial)- Rappelling (see external link)
- Standoffs - Controlling how NPCs behave during combat
- Squads - Getting NPCs to act as a team
Creation
- Combine
- Headcrab
- Mapping with Antlions
npc_combine_s- Used to place Combine soldiers of any type (see the "model" property)npc_citizen- Used to place human rebelsnpc_snipernpc_strider- Turrets - Fixed, movable, and usable varieties
- Zombie
Most NPCs can fight, but some require special set-up:
- Dropships:
npc_combinedropship; see external link - Gunships and helicopters (
npc_combinegunshipandnpc_helicopter) (see External links)
Todo: add all HL2 enemy entities?
Left 4 Dead/
Todo: add things.
Team Fortress 2
Most "NPCs" in TF2 use the NextBot system.
Control
bot_action_point— Specifies an action to performbot_controller— Creates & controls a botbot_hint_engineer_nest— Tells MvM Engineer bots where to build a "nest"bot_hint_sentrygun— Tells MvM Engineer bots where to build a Sentry Gunfunc_tfbot_hint— Tells Engineer bots where to build or (MvM) Sniper bots where to stand
Creation
bot_generator— Generates multipletf_bots- Team Fortress 2 Halloween Bosses
tf_zombie_spawner— "Intended" way to spawn skeletons- TFBot Technicalities
Entities
Warning:The following are supposed to be dynamically spawned (via point_template or similar) and may have issues when spawned on their own.eyeball_boss!FGD — MONOCULUS!headless_hatman!FGD — Horseless Headless Horsemannmerasmus!FGD — MERASMUS!obj_sentrygun— Sentry Gun
Note:Unlike the other entities here, this isn't an NPC and has little to no discernible AI.
Tip:Suffers no issues when placed as a normal map object.tf_bot— Training/MvM bottf_zombie!FGD — Skeleton
See also
- AI Metrics
- Category:AI
- Half-Life 2 Level Creation
- Left 4 Dead Level Creation
Left 4 Dead 2 Level Creation- WiseNPCrappel, WiseNPCrapjump - Rappelling metro police
External links
- Collection of NPC tutorials (Archived version retrieved on 1 September, 2009)
- TF2Maps on Halloween (incl. Halloween bosses and skeletons)
- TF2Maps on special MvM bots
