PlayerSkin

Client skin update: full SerializedSkin with geometry, animations, persona pieces and tint colors.

player-skin.bin

struct PlayerSkin {
  uuid.UUID                                    Uuid;
  SerializedSkinRef                            Skin;
  string                                       LocalizedNewSkinName;
  string                                       LocalizedOldSkinName;
}

Structure

Field	Type	Description
Uuid	uuid.UUID
Skin	SerializedSkinRef
Localized New Skin Name	string
Localized Old Skin Name	string

Structure of SerializedSkinRef

Field	Type	Description
Id	string
Play Fab Id	string
Resource Patch	string
Image Data	SkinImage
Animated Image Data	varuint32 count + AnimatedImageData[]	Length-prefixed sequence.
Cape Image Data	SkinImage
Geometry Data	string
Geometry Data Min Engine Version	string
Animation Data	string
Cape Id	string
Full Id	string
Arm Size	ArmSizeType
Skin Color	Color
Persona Pieces	varuint32 count + SerializedPersonaPieceHandle[]	Length-prefixed sequence.
Piece Tint Colors	string
Is Premium	bool
Is Persona	bool
Is Persona Cape On Classic Skin	bool
Is Primary User	bool
Overrides Player Appearance	bool
Trusted Skin Flag	string
Profile Hash	string

Structure of SkinImage

Field	Type	Description
Width	uint32 (LE)
Height	uint32 (LE)
Image Bytes	byte[]

Structure of AnimatedImageData

SerializedSkinImpl::write writes the image inline rather than through a

Field	Type	Description
Image Width	uint32 (LE)
Image Height	uint32 (LE)
Image Bytes	byte[]
Type	uint32 (LE)
Frames	float32 (LE)
Animation Expression	uint32 (LE)

Structure of SerializedPersonaPieceHandle

Field	Type	Description
Piece Id	string
Piece Type	string
Pack Id	string
Is Default Piece	bool
Product Id	string

Notes

Servers should re-validate skin sizes and ids here — the client sends this on persona changes.