actor

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Structure and fields

Field Type Comments

flags bitfield

Flag	Mask	Comments
can see in darkness	`0x1`
sneak uncovering target	`0x2`
sneak uncovering pursuit position	`0x4`
unused	`0x8`
shoot at target s last location	`0x10`
try to stay still when crouched	`0x20`
crouch when not in combat	`0x40`
crouch when guarding	`0x80`
unused 1	`0x100`
must crouch to shoot	`0x200`
panic when surprised	`0x400`
always charge at enemies	`0x800`
gets in vehicles with player	`0x1000`
start firing before aligned	`0x2000`
standing must move forward	`0x4000`
crouching must move forward	`0x8000`
defensive crouch while charging	`0x10000`
use stalking behavior	`0x20000`
stalking freeze if exposed	`0x40000`
always berserk in attacking mode	`0x80000`
berserking uses panicked movement	`0x100000`
flying	`0x200000`
panicked by unopposable enemy	`0x400000`
crouch when hiding from unopposable	`0x800000`
always charge in attacking mode	`0x1000000`
dive off ledges	`0x2000000`
swarm	`0x4000000`
suicidal melee attack	`0x8000000`
cannot move while crouching	`0x10000000`
fixed crouch facing	`0x20000000`
crouch when in line of fire	`0x40000000`
avoid friends line of fire	`0x80000000`

more flags bitfield

Flag	Mask	Comments
avoid all enemy attack vectors	`0x1`
must stand to fire	`0x2`
must stop to fire	`0x4`
disallow vehicle combat	`0x8`
pathfinding ignores danger	`0x10`
panic in groups	`0x20`
no corpse shooting	`0x40`

type enum

Option	Value	Comments
elite	`0x0`
jackal	`0x1`
grunt	`0x2`
hunter	`0x3`
engineer	`0x4`
assassin	`0x5`
player	`0x6`
marine	`0x7`
crew	`0x8`
combat form	`0x9`
infection form	`0xA`
carrier form	`0xB`
monitor	`0xC`
sentinel	`0xD`
none	`0xE`
mounted weapon	`0xF`

max vision distance

float

Unit: world units

central vision angle float

max vision angle float

peripheral vision angle float

peripheral distance

float

Unit: world units

standing gun offset Vector3D

Field	Type	Comments
i	`float`
j	`float`
k	`float`

crouching gun offset Vector3D^?

hearing distance

float

Unit: world units

notice projectile chance

float

Min: 0
Max: 1

notice vehicle chance

float

Min: 0
Max: 1

combat perception time

float

Unit: seconds

guard perception time

float

Unit: seconds

non combat perception time

float

Unit: seconds

inverse combat perception time

float

Cache only

inverse guard perception time

float

Cache only

inverse non combat perception time

float

Cache only

dive into cover chance

float

Min: 0
Max: 1

emerge from cover chance

float

Min: 0
Max: 1

dive from grenade chance

float

Min: 0
Max: 1

pathfinding radius

float

Unit: world units

glass ignorance chance

float

Min: 0
Max: 1

stationary movement dist

float

Unit: world units

free flying sidestep

float

Unit: world units

begin moving angle float

cosine begin moving angle

float

Cache only

maximum aiming deviation Vector2D

Field	Type	Comments
i	`float`
j	`float`

maximum looking deviation Vector2D^?

noncombat look delta l float

noncombat look delta r float

combat look delta l float

combat look delta r float

idle aiming range Vector2D^?

idle looking range Vector2D^?

event look time modifier Bounds

Field	Type	Comments
min	`float`
max	`float`

noncombat idle facing

Bounds^?

Unit: seconds

noncombat idle aiming

Bounds^?

Unit: seconds

noncombat idle looking

Bounds^?

Unit: seconds

guard idle facing

Bounds^?

Unit: seconds

guard idle aiming

Bounds^?

Unit: seconds

guard idle looking

Bounds^?

Unit: seconds

combat idle facing

Bounds^?

Unit: seconds

combat idle aiming

Bounds^?

Unit: seconds

combat idle looking

Bounds^?

Unit: seconds

cosine maximum aiming deviation

Vector2D^?

Cache only

cosine maximum looking deviation

Vector2D^?

Cache only

TagDependency: weapon

Unused

TagDependency: projectile

Unused

unreachable danger trigger enum

Option	Value	Comments
never	`0x0`
visible	`0x1`
shooting	`0x2`
shooting near us	`0x3`
damaging us	`0x4`
unused	`0x5`
unused1	`0x6`
unused2	`0x7`
unused3	`0x8`
unused4	`0x9`

vehicle danger trigger enum^?

player danger trigger enum^?

danger trigger time

Bounds^?

Unit: seconds

friends killed trigger int16

friends retreating trigger int16

Bounds^?

Unit: seconds

Bounds^?

Unit: seconds

friend killed panic chance

float

Min: 0
Max: 1

leader type enum^?

leader killed panic chance

float

Min: 0
Max: 1

panic damage threshold

float

Min: 0
Max: 1

surprise distance

float

Unit: world units

hide behind cover time

Bounds^?

Unit: seconds

hide target not visible time

float

Unit: seconds

hide shield fraction

float

Min: 0
Max: 1

attack shield fraction

float

Min: 0
Max: 1

pursue shield fraction

float

Min: 0
Max: 1

defensive crouch type enum

Option	Value	Comments
never	`0x0`
danger	`0x1`
low shields	`0x2`
hide behind shield	`0x3`
any target	`0x4`
flood shamble	`0x5`

attacking crouch threshold float

defending crouch threshold float

float

Unit: seconds

min crouch time

float

Unit: seconds

defending hide time modifier float

attacking evasion threshold float

defending evasion threshold float

evasion seek cover chance

float

Min: 0
Max: 1

evasion delay time

float

Unit: seconds

max seek cover distance

float

Unit: world units

cover damage threshold

float

Min: 0
Max: 1

stalking discovery time

float

Unit: seconds

stalking max distance

float

Unit: world units

stationary facing angle float

change facing stand time

float

Unit: seconds

uncover delay time

Bounds^?

Unit: seconds

target search time

Bounds^?

Unit: seconds

pursuit position time

Bounds^?

Unit: seconds

num positions (coord)

uint16

Min: 0

num positions (normal)

uint16

Min: 0

melee attack delay

float

Unit: seconds

melee fudge factor

float

Unit: world units

melee charge time

float

Unit: seconds

melee leap range

Bounds^?

Unit: world units

melee leap velocity

float

Unit: world units per tick
Min: 0
Max: 1

melee leap chance

float

Min: 0
Max: 1

melee leap ballistic

float

Min: 0
Max: 1

berserk damage amount

float

Min: 0
Max: 1

berserk damage threshold

float

Min: 0
Max: 1

berserk proximity

float

Unit: world units

suicide sensing dist

float

Unit: world units

berserk grenade chance

float

Min: 0
Max: 1

guard position time

Bounds^?

Unit: seconds

combat position time

Bounds^?

Unit: seconds

old position avoid dist

float

Unit: world units

friend avoid dist

float

Unit: world units

Constraints the minimum distance that this actor can be from its allies. Increase this to avoid actors "clumping" together.

noncombat idle speech time

Bounds^?

Unit: seconds

combat idle speech time

Bounds^?

Unit: seconds

TagDependency: actor

Unused

Acknowledgements

Thanks to the following individuals for their research or contributions to this topic:

justinpyne (Explaining the friend avoid dist field)
Kavawuvi (Invader tag definitions)
MosesOfEgypt (Tag structure research)