Combat

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A hub for articles about creating fighting and combat in Source maps and mods.

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Mapping

ai_relationship - sets which NPCs will fight or ally with which others
Standoffs - controls how NPCs behave during combat
Assaults - organized attacks and battle lines
Squads - getting NPCs to act as a team
Rappelling (see external link)
Door kicks (through the use of scripted sequences)
ai_goal_police - station a guard at a door (non-lethal)
path_corner - used to create patrol routes (see external links for tutorial)
Turrets - fixed, movable, and usable varieties
Hint nodes and Nodegraph for NPC navigation.

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Entities

Most NPCs can fight, but some require special set-up:

Dropships: npc_combinedropship; see external link
Gunships and helicopters (npc_combinegunship and npc_helicopter) (see external link)
Striders (npc_strider)
headcrab cannisters
npc_sniper

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Notes

NPCs will not move far, if at all, unless they have info_nodes. See Node graph.
All types of Combine soldier are placed with npc_combine_s entities; see the model property.
Human rebels are placed with npc_citizen entities.

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