Creature flags in DF memory

Creature or Unit flags

Thanks to ToadyOne for explaining what these bits do.

Flags Word 0 (32 bits)

• bit 0 - can the dwarf move or are they waiting for their movement timer
• bit 1 - dead (might also be set for incoming/leaving critters that are alive)
• bit 2 - currently in mood
• bit 3 - had a mood
• bit 4 - "marauder" -- wide class of invader/inside creature attackers
• bit 5 - drowning
• bit 6 - active merchant
• bit 7 - "forest" (used for units no longer linked to merchant/diplomacy,

they just try to leave mostly)

• bit 8 - left (left the map)
• bit 9 - rider
• bit 10 - incoming

> > bit 11 - unknown (usually set if unit is friendly)

• bit 11 - diplomat

> > bit 12 - zombie

• bit 12 - zombie

> > bit 13 - skeleton

• bit 13 - skeleton

> > bit 14 - unknown (possibly initial dwarves and friendly units only, i.e > > things which were born off map?)

• can swap tiles during movement (prevents multiple swaps)

> > bit 15 - unconscious

• on the ground (can be conscious)

> > bit 16 - unknown (unit isn't visible, caged maybe?)

• projectile

> > bit 17 - invader? (of some sort?)

• active invader (for organized ones)

> > bit 18 - unknown (unit isn't listed among dwarves?)

• hidden in ambush

> > bit 19 - invader? (of some sort?)

• invader origin (could be inactive and fleeing)

> > bit 20 - unknown

• will flee if invasion turns around

> > bit 21 - hidden ambusher

• active marauder/invader moving inward

> > bit 22 - unknown

• marauder resident/invader moving in all the way

> > bit 23 - unknown

• check against flows next time you get a chance

> > bit 24 - unknown

• ridden

> > bit 25 - unknown (invisble, hidden?)

• caged

> > bit 26 - tame

• tame

> > bit 27 - unknown

• chained

> > bit 28 - royal guard

• royal guard

> > bit 29 - fortress guard

• fortress guard

> > bit 30 - unknown

• suppress wield for beatings/etc

> > bit 31 - unknown

• is an important historical figure

Flags Word 1 (32 bits)

> > bits 0 thru 6 - unknown

• swimming
• play combat for sparring
• do not notify about level gains (for embark etc)
• unused
• nerves calculated
• body part info calculated
• is important historical figure (slight variation)

> > bit 7 - dead? (why are there two dead bits? is there a difference?)

• has been killed by kill function (slightly different from dead, not

necessarily violent death) > > bits 8 thru 14 - unknown

• must be forgotten by forget function (just cleanup)
• must be deleted (cleanup)
• recently forgotten (cleanup)
• offered for trade
• trade resolved
• has breaks
• gutted

> > bit 15 - on ground?

• circulatory spray

> > bit 16 - flying

• locked in for trading (it's a projectile on the other set of flags,

might be what the flying was) > > bit 17 - marked for slaughter

• marked for slaughter

> > bit 18 - underworld creature?

• underworld creature

> > bits 19 thru 23 - unknown

• current resident
• marked for special cleanup as unused load from unit block on disk
• insulation from clothing calculated
• uninvited guest
• visitor

> > bits 24 thru 31 - unknown

• inventory order calculated
• vision -- have good part
• vision -- have damaged part
• vision -- have missing part
• breathing -- have good part
• breathing -- having a problem
• roaming wilderness population source
• roaming wilderness population source -- not a map feature