Common Prefixes & Suffixes

This is a list of common prefixes & suffixes used by Ryu Ga Gotoku Studios, for a variety of file formats and functions. These are used so files can be identified quickly in a huge folder.

Please note the true/intended meaning of abbreviations may not be clear; these are approximations.

General

Abbreviation	Explanation
arm	Weapon
auth	'Authoring Mode' -- models or assets used in game cutscenes, or heat actions
adv	'Adventure' -- models or assets used in the game world
ci	Cabaret Island, internal name for the cabaret club minigame in Yakuza 0, and is carried over to K2/JE
hact	Heat Action
kara	Karaoke
mng	Minigame
pxd	Internal name for all versions of the game engine from PS3 onward
ri	Resort Island; the internal name for Dondoko Island in Infinite Wealth
tex_auto_lod_cv	LOD textures used in DE 2.0 (properly utilised in Lost Judgment onward)

Models / .gmd

General Prefixes & Suffixes

Prefix/suffix	Explanation
_[xx]	Numbers with nothing else surrounding them can often be the age of the character, used in flashbacks. (example: c_cw_f_mamiya_18)
_agura	Sat crosslegged
_aura	Heat action aura
_auth	Used specifically for a cutscene or heat action
_b_	Bottoms (skirts, pants, etc)
_bd[xx]	Bloodied, injured, gunshot wounds
_bound / _shibari / _rope	Tied up
_chd	Child model, specific to Dragon Engine
_ci[xx]_	Cabaret club outfit/hairstyle
_dead	Dead (not sleeping)
_f_	Head
_fat	Fat body type for men, usually reserved for enemies
_h_	Headwear/hair
_hand / _arm / _darts	Hand used for the darts minigame
hless	Homeless
_juban	Garment worn under a kimono
_kega	Injured, usually gravely
_LL	Introduced in Infinite Wealth. Used for overweight NPCs, different to _fat?
_mus	Muscular body type for men, usually reserved for enemies
_naked	Shirtless for male characters, typically fully nude for women
_nocloth	No cloth physics, specific to OOE
_out	Coats, usually worn by hostesses specifically
_pocket	Adjusted models for hands in pockets
_sit	Suit tails/skirts adjusted for sitting down
_sode	Rolled up sleeves
_t_	Tops/torso
tu	An outfit used for promotional locations such as Club SEGA/GiGO or Karaokekan
_x_	Typically an outfit combined as one model
a[xx]_	Used in a specific cutscene. The number will line up with the entry in that game's "auth" folder.
c[xx]_	Used for a specific chapter

Armatures

Prior to Dragon Engine

Now printing!

Dragon Engine (as of Infinite Wealth)

Letter	Explanation
a	Generic. Similar to _m but has no bones for suit jacket, and doesn't seem to be used for cutscene models, is used for some models with UBIK bones starting with Infinite Wealth
b	LOD armature?
c	Mascot outfit, used exclusively for Kamuroppo
d	Sandwich board enemies in Yakuza: Like a Dragon
e	Seemingly unused; character_bone_type in IW claims it's for a "clown" but they use an animal armature instead
f	Okubo's long hair in JE, Shishido's Jacket in gaiden, magnified intro models in IW (the scene with the ant)
g	Okubo's long hair in JE (again), Soma & Sadamoto's jacket in Lost Judgment so they can pull stuff from their inner pocket
h	Kimono / hakama
i	Used for the roller skating waitresses in Infinite Wealth, unused in lost judgement
j	Used for Shintani in JE and Hello work Ichiban in Infinite Wealth
k	Baby
l	Jacket physics (Yagami, Suguira)
m	Male/generic character, has bones for suit jackets
n	Male/generic character, for suits without vents (Majima, Akiyama, Y6 Han)
o	Used for big characters like Ed and some Jingweon guy in K2. Seems to be only in 6/K2/IW
p	Used only in Yakuza 6 for Yuta. Has bones for the lapels of his jacket so Kiryu can throw him through a window (no, really)
q	Long coat (Ryuji), merged into "s" bones in DE2, used for throat bones? on adachi
r	Kimono / hakama, used for throat bones? on Tomi in IW
s	Long coat (Date / Masumi Arakawa)
t	Used for Majima's towel in Kiwami 2 and Yamai's coat in IW
u	Long raincoat/ closed coats (Kuriowa), used for throat bones? in IW on saeko
v	Used for Saori (JE/LJ)'s hair
w	Woman
x	Used for Haruka (Y6)'s ponytail
y	Schoolgirl skirt "physics" in JE drone minigame
z	Used in Kiwami 2 for hostesses, has attach points for outfits & accessories

Asset / Reactor Prefixes

Dragon Engine

Most will have a letter between its prefix & the item name - this is the codename of the game it is taken from. So for example, army400_stk_umbrella_cl_a (Nanba's default umbrella weapon in Y:LAD, or 'yazawa').

Name	Explanation
a_xx	Cutscene models, xx being the chapter it appears in
arm	Weapons
bik	Bicycles
bs	Debug weapon
car	Vehicles being driven on a road
dcl	Decals
dor	Doors
gls	Panes of glass / windows
hct	Heat action specific assets
itm	In game items, such as Staminan or Tauriner
kan	Electronic signboards
min	Minigame specific assets
nrn	Noren -- traditional Japanese curtains for doorways & windows
prp	Generic, all purpose props
res	Dondoko Island props (specific to Infinite Wealth)
spe	Objects specific to an area in game (i.e not generic enough to be placed anywhere)
spte	Speedtree generated plants
stg	In world assets
swg	Swaying objects like lanterns
tes	Test / debug objects

chara.par folders

Prior to Dragon Engine

Name	Explanation
accessory	Typically physics-enabled 'accessories' such as Majima's ponytail in Yakuza 0
adv	Game world models
auth	Cutscene (authoring) models
btms	Pants, trousers, skirts, etc, typically specifically for pedestrians & unimportant NPCs
face	Heads, typically specifically for pedestrians & unimportant NPCs
hair	Hair
tops	Shirts, jackets, etc, typically specifically for pedestrians & unimportant NPCs
z_btm	Only appears in Dead Souls. Models used for zombies' pants.
z_face	Only appears in Dead Souls. Models used for zombies' heads.
z_upr	Only appears in Dead Souls. Models used for zombies' torsos.

Dragon Engine

Name	Explanation
adv	Only appears in Yakuza 6, same as Old Engine's usage; models used in the game world
auth	Only appears in Yakuza 6, same as Old Engine's usage; models used in cutscenes
bone	Bone reference .gmds
btms	Pants, trousers, skirts, etc
dds	Textures
dds_hires	As above. Appears in Lost Judgment onwards
dds_prg_use	Blood splatters for faces
face	Heads
face_blend	Seems to be used for facial animations?
face_target	Facial expressions for characters
hair	Hair
tops	Shirts, jackets, etc, also usually full models for characters who are one chunk
ubik	Appears in Lost Judgment onwards, is used for cloth & hair physics

Textures

Stages & Assets

Dragon Engine

Suffix	Explanation
at	Props used in cutscenes and/or are intended to be seen upclose, like a phone screen or a photograph
bl	Dirt/grime overlay layer
cc	Concrete
cl	Cloth
cm	"Common" materials, usually colours or debug/fallback textures
db	UI assets that are also counted as in game world assets (shogi pieces in Y:LAD, coffee chart in JE)
gd	Dirt, sand, plantlife
gm	Vehicles
gs	Glass
lo	Lightmap/shadow stuff
mt	Metal
ne	Neon signs/scrolling LED signs
oj	General use assets & objects
ot	Greebles (detailing added for visual interest)
pl	Plastic
pp	Paper/cardboard
pt	Botany
rd	Road surfaces, asphalt, pavement etc
rp	Screens; usually smartphones, seems to also apply to computers & televisions too
sb	Billboards & commercial posters
sn	Stone and masonry
sy	Skybox; far away objects that can be seen in the distance
tc	Minigame specific assets
tl	Tiles and bricks
tu	Typically textures that are related to crossovers and/or promotions
vg	Food
wd	Wood

Stage

• _d - Basic diffuse/albedo map. Can use alpha layer transparency.
• _n - Normal map. Blue channel often reversed.
• _m - Multi map, used for PBR shading. Red channel is glossiness, green channel is metallic, blue is a mask for colour palettes.
• _so - Light map? (Needs more research)
• _i - Glow / emissive map. Rarely used.

Assets

• _d - Basic diffuse/albedo map. Can use alpha layer transparency.
• _n - Normal map. Blue channel often reversed.
• _m - Multi map, used for PBR shading. Red channel is glossiness, green channel is metal, blue is a mask for colour palettes.
• _o - Ambient occlusion.
• _tr - Subsurface scattering map. Only really used for leaves on plants.
• _i - Glow / emissive map. Rarely used.

Characters

Dragon Engine

• _di - Basic diffuse/albedo map. Can use alpha layer transparency.
• _tn - Normal map. Blue channel often reversed.
• _ts - Wrinkle map. Blue channel often reversed. Controlled via vertex colours in engine.
• _tr - Subsurface scattering map.
• _mt - Multi map, used for PBR shading. Red channel is metallic (anisotropic rotation for hair), green channel is ambient occlusion (specular for hair), blue channel is glossiness, alpha layer is a mask for the repeating textures on the secondary UV.
• _rd - Repeating diffuse/albedo texture, used for details usually for clothing. Scale is controlled by the secondary UV of the model.
• _rt - Repeating normal map texture, used for details in general. Scale is controlled by the secondary UV of the model.
• _rm - Specularity (of sorts) for repeating textures

Motions / .gmt / Auth & Heat Actions

Movement

General

Prefix/suffix	Explanation
act	Typically action animations, such as using a smartphone or saying hello
add	Animations added to an idle pose, such as nodding or hand gestures
en	End of a looped animation
lp	Looped
kamae	Posed animation, usually for idling
st	Start of a looped animation
std	Standing
sit	Sitting/crouching down
tlk	Animations used in cutscenes for talking

Battle

Prefix/suffix	Explanation
ath	Successful strike
atg	Strike that is parried or otherwise blocked
atm	Strike intended to initiate a grab or throw. Usually paired with 'sze'.
btlst	Used whenever a battle is initiated
dwn	Used whenever the target is prone on the floor
grd	Guarding
hok	Hook punch
nge	Grab/throw
ont_act	Taunt. Specific to Y7, is basically just an idle animation here
pvk	Taunt
[x]ren	Multiple strikes, where x is the quantity
rev	Reversal
skl	RPG skill, typically only used in Y7, but has carried over to LJ for generic animations
swy	Rolling out of the way of a move
sy0	A synced move, such as a throw, from the attacker's perspective
sy1	A synced move, such as a throw, from the target's perspective
sze	An attempted grab

Weapon Types

Abbreviation/code	Explanation
sud	Barefisted (from 'sude')
wpa	Lightweight 1-handed objects (Traffic cones, pipes and such)
wpb	Knives (Also broken bottles and Chinese Dao Broadswords in OE)
wpc	Light 2-handed objects (Beer Crates and such)
wpd	Baseball bats
wpe	Swords (Mainly Katanas but also Chinese Dao Broadswords in DE )
wpf	Heavy 2-handed object (Bicycles, Motorcycles, signboards, etc)
wpg	Longswords / Hammers
wpi	Spears/Poles
wpj	Shotguns
wpk	Dual wielded pistols
wpl	Muskets
wpm	Knuckle dusters
wpp	Cannons
wpt	Tonfa
wpu	Dual Claws
wpv	Nunchucks
wpw	Wild Dance (Pistol and Katana wielded simultaneously, Ishin only)
wpx	Kali sticks
wpy	Pistols
wpz	Chainsaws
tue	Nanba's 'stave' (umbrellas etc)
btn	Adachi's police truncheon
bag	Saeko's handbag
cut	Eri's boxcutter

Authoring / Heat Action Specific

Abbreviation/code	Explanation
A	Auth (intro/cutscene)
B	Battle start or mid-battle sequence
BC	Name caption
C	Chase (JE/LJ), Cam (Y6), Continue? (Y7/8)
D	Poundmate delivery
EC	Enemy Cam (battle start)
F	Flashback
H	Heat Action
I	Interaction
M	Minigame
MN	Music video cutscenes in karaoke
P	Main menu or battle action
S	Sequence
T	Talk, also Coliseum in Gaiden
X	Interactive/Menu