Npc alyx

Entity Description

Alyx Vance

Alyx Vance is arguably Half-Life 2's lead character besides Gordon. She has no known special abilities, though there are orphaned dive/roll animations in her model, and she can wield the 'alyxgun'.

Note:Some keyvalues, spawnflags, effect flags, inputs, or outputs might not affect an NPC, based on the functionality and coding of the NPC.

Keyvalues

• Template:Kv talknpc

• Template:Kv playercompanion

• Template:Kv parentname

• additionalequipment

<choices> Weapons

Literal Value	Description
weapon_alyxgun	Alyx Gun
weapon_shotgun	Shotgun
0	Nothing

• model

<studio> World model

• DontPickupWeapons (in all games since )

If set, this NPC will not be allowed to pick up weapons they find on the ground.

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 6,000 units 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 StartScripting input does this.

Don't drop weapons : [8192]

Ignore player push : [16384] (in all games since )

Entity won't give way to player.

Inputs

• TalkNPC:

SpeakResponseConcept <stringRedirectInput/string> (in all games since )

Speak the specified response concept immediately.

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 <targetnameRedirectInput/string>

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 <floatRedirectInput/float>

Ignore danger sounds for the specified number of seconds.

InsideTransition  !FGD

OutsideTransition  !FGD

SetBodyGroup <integerRedirectInput/integer>

HACK: Sets this NPC's body group (from 0–n).

SetEnemyFilter <stringRedirectInput/string>

SetHealth <integerRedirectInput/integer>

Set the NPC's health.

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 disposition are:

• D_HT: Hate
• D_FR: Fear
• D_LI: Like
• D_NU: Neutral

SetSquad <stringRedirectInput/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 <floatRedirectInput/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:

SetDamageFilter <stringRedirectInput/string>

Sets the entity to use as damage filter. Pass in an empty string (no parameter) to clear the damage filter.

• PlayerCompanion:

OutsideTransition  (in all games since )

Use this input to teleport the NPC to a hint node with the "Player Squad Transition Point" hint type.

EnableAlwaysTransition  (in all games since )

DisableAlwaysTransition  (in all games since )

If enabled, this NPC will always teleport to a Player Squad Transition Point even if they're not within the trigger_transition.

MakeGameEndAlly  (in all games since )

MakeRegularAlly  (in all games since )

Determines whether the game should end if this character dies.

EnableWeaponPickup  (in all games since )

DisableWeaponPickup  (in all games since )

Enables/disables weapon pickup.

GiveWeapon <classname> (in all games since )

Gives the NPC a weapon immediately.

ClearAllOutputs  (only in )

Clears every output that this NPC has.

• Template:I parentname
• AllowInteraction (in all games since )

Allow Alyx's 'hacking' AI to run.

• DisallowInteraction (in all games since )

Disallow Alyx's 'hacking' AI.

• AllowDarknessSpeech <bool> (in all games since )

Enables or disables Alyx's darkness speech ('where are you', etc).

• EnterVehicle <target_destination> (in all games since )

Make Alyx enter the vehicle specified by name.

• ExitVehicle (in all games since )

Make Alyx exit the vehicle she's in.

• SetReadinessLow (in all games since )

Set readiness to calmest state (Bored)

• SetReadinessMedium (in all games since )

Set readiness to moderate (Alert)

• SetReadinessHigh (in all games since )

Set readiness to highest. (Combat imminent)

• SetReadinessPanic (in all games since )

Set readiness to panic state (Special)

• LockReadiness <float> (in all games since )

Lock readiness at current setting for x seconds -1 = forever, 0 = unlock now

Outputs

• Template:O basenpc
• OnFinishInteractWithObject (in all games since )

Fires when Alyx finishes interacting with an object (usually hacking it).

• OnPlayerUse (in all games since )

Fires when a player +USEs Alyx.