Npc antlion
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Template:Hl2 point It is a weak NPC that can burrow, jump, and fly. The player can command up to four, provided that the correct env_global variable is set and weapon_bugbait is equipped, otherwise they are hostile. Their most common role in level design is that of cannon fodder.
Episode Two's acid-spitting Antlion Workers can be spawned by setting the "Worker Type" flag.
Tip:Antlions are blind, and navigate entirely by sound and smell.Tip:To repel Antlions from a choosen place, use point_antlion_repellant.Tip:Use npc_antlion_template_maker to efficiently monitor and respawn antlions on a continuous basis.
Note:Some keyvalues, spawnflags, effect flags, inputs, or outputs might not affect an NPC, based on the functionality and coding of the NPC.Dedicated Console Variables
sk_antlion_health <int>- Default: 30
sk_antlion_jump_damage <int>- Default: 5
sk_antlion_swipe_damage <int>- Default: 5
sk_antlion_air_attack_dmg <int>- Default: 10
g_debug_antlion- Debug visualization.
KeyValues
- Start Burrowed
<bool> - If you want your antlion to start under the ground and dig up when you want.
- Alert Radius
<float> - Keep in mind that Antlions rely on sound, not sight.
- Distance until eluded
<int> - Only available when "Burrow When Eluded" is flagged
- Ignore Bugbait
<bool> - Useful for scripted sequences, in which player interference is undesirable.
- Suppress unburrow effects
<bool> - Do not draw dust effects when unburrowing.
- !FGD skin
<int> - Affects regular Antlions' carapace colour. Same as a prop entity's Skin KV.
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CBaseCombatCharacter:
CAI_BaseNPC:
DamageFilter:
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Flags
BaseNPC flags
- Wait Till Seen : [1]
- Prevents this NPC from seeing (or being seen) until it enters a player's viewcone.
- Gag : [2]
- Won't make IDLE sounds until it's angry.
- Fall to ground (unchecked means teleport to ground) : [4]
- Drop Healthkit : [8]
- Causes this NPC to drop an item_healthvial upon dying.
- Efficient : [16]
- Don't acquire enemies or avoid obstacles
- Wait For Script : [128]
- Forces this NPC to "wait" in an idle state until it finishes playing a scripted_sequence.
- Long Visibility/Shoot : [256]
- By default, increases a NPC's sight range to
6,000units and allows it to attack from anywhere within that distance.
- Fade Corpse : [512]
- Think outside PVS : [1024]
- Allows this NPC to run its regular AI outside of any player's PVS.
- Template NPC : [2048]
- Marks this NPC as a template for entities like npc_template_maker. The NPC will not spawn on its own. This is not needed for point_template.
- Do Alternate collision for this NPC (player avoidance) : [4096]Note:This flag is disabled in
episodic for player companions, because the StartScriptinginput does this.
- Don't drop weapons : [8192]
- Ignore player push : [16384] (in all games since
) - Entity won't give way to player.
- Burrow when eluded
- Use Ground Checks
- Template:EP2 add - Set this flag to spawn acid-spitting Antlion Workers instead of regular antlions.
Inputs
UnburrowBurrow- Burrow from or into the ground.
BurrowAway- Burrow and remove yourself.
FightToPosition <targetname>StopFightToPosition- Start or stop fighting to reach the given entity.
EnableJumpDisableJump- Allow/disallow non-navigational jumping ().
Confirm:jumping at enemies? IgnoreBugbaitHearBugbait- Whether to respond to weapon_bugbait.
BaseNPC inputs
CAI_BaseNPC:
- ActivateSpeedModifier !FGD
- DisableSpeedModifier !FGD
- Break
- Smash into pieces. If this is not possible, disappear.
- BecomeRagdoll (in all games since )
- Remove itself and instantly become a ragdoll with zero force (just go limp). OnDeath, etc. outputs will NOT be fired.
- ForceInteractionWithNPC <string> <string> (in all games since )
- Force the NPC to use a dynamic interaction with another NPC. Syntax is <targetname> <dynamic interaction>.
- ForgetEntity <targetname>
- Clears out the NPC's knowledge of a named entity.
- UpdateEnemyMemory (in all games since )
- Update (or create) this NPC's memory of of the given entity.
- GagEnable
- GagDisable
- Gagged NPCs won't speak (or moan, caw, etc.) unless made to be a choreographed scene.
- HolsterWeapon (in all games since )
- UnholsterWeapon (in all games since )
- Force the NPC to holster or unholster their weapon. Ignored if the NPC is scripting or if the NPC doesn't use weapons.
- HolsterAndDestroyWeapon (in all games since )
- Same as
HolsterWeapon, except the weapon is destroyed once it has been concealed.
- IgnoreDangerSounds <float>
- Ignore danger sounds for the specified number of seconds.
- InsideTransition !FGD
- OutsideTransition !FGD
- SetBodyGroup <integer>
- HACK: Sets this NPC's body group (from 0–n).
- SetEnemyFilter <string>
- SetHealth <integer>
- Set the NPC's health.
- SetMaxLookDistance <float> (only in
) - Sets the maximum look distance for the NPC. Defaults are 2048 and 6000 for long range NPCs.
- SetRelationship <string|targetname or classname> <string|disposition> <int|rank>
- Changes whether this NPC likes or dislikes certain others. Used like the ai_relationship entity, with this NPC as the subject.
- Values for
dispositionare:D_HT: HateD_FR: FearD_LI: LikeD_NU: Neutral
- SetSquad <string>
- Change the name of this NPC's squad. Leaving the parameter blank will remove the NPC from any existing squad.
- StartScripting
- StopScripting
- Enter/exit scripting state, where NPCs ignore a variety of stimulus that would make them break out of their scripts. They ignore danger sounds, ignore +Use, don't idle speak or respond to other NPCs' idle speech, and so on.
- Wake
- Wakes up the NPC if it is sleeping.
CBaseCombatCharacter:
- KilledNPC !FGD
- Tells the entity it killed something. Despite the name, this can include a player. This input will be automatically sent by the victim when they die.
- physdamagescale <float>
- Scales damage energy when this character is hit by a physics object. With a value of 0 the NPC will take no damage from physics.
DamageFilter:
Outputs
OnReachedFightGoal- Fires when the antlion reaches his specified fight-to location.
OnUnBurrowed- Fires when the antlion unburrows.
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