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
hact	Heat Action
kara	Karaoke
mng	Minigame
pxd	Internal name for all versions of the game engine from PS3 onward

Models / .gmd

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
_juban	Garment worn under a kimono
_kega	Injured, usually gravely
_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
_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

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
gd	Dirt, sand, plantlife
gs	Glass
lo	Lightmap/shadow stuff
mt	Metal
ne	Neon 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
sb	Billboards & commercial posters
sn	Stone and masonry
sy	Skybox; far away objects that can be seen in the distance
tl	Tiles and bricks
tu	Typically textures that are related to crossovers and/or promotions
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 metallic, green channel is roughness, blue is a mask for colour palettes.
• _so - Light map? (Needs more research)

Assets

• _di - Basic diffuse/albedo map. Can use alpha layer transparency.
• _tn - Normal map. Blue channel often reversed.
• _mt - Multi map, used for PBR shading. Red channel is metallic, green channel is roughness, blue is a mask for colour palettes.
• _tr - Subsurface scattering map. Only really used for leaves on plants.

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.

Motions / .gmt

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
nge	Grab/throw
pvk	Taunt
[x]ren	Multiple strikes, where x is the quantity
skl	RPG skill, typically only used in Y7
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

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