Bflan

nn::ui2d provides the Binary Cafe Layout Animation file format to store animations for Bflyt files.

Header

Standard ui2d header.

There are 3 top level sections, Animation Tag (pat1), Animation Info (pai1), and Animation Share (pah1).

Animation Tag

Offset	Size	Type	Description
0x0	0x8	Ui2d Section Header	Magic: "pat1"
0x8	0x2	u16	Tag Order
0xa	0x2	u16	Group Count
0xc	0x4	u32	Name Offset
0x10	0x4	u32	Group Array Offset
0x14	0x4	u32	User Data List Section Offset
0x18	0x2	u16	Start Frame
0x1a	0x2	u16	End Frame

Animation Group

Offset	Size	Type	Description
0x0	0x21	char[0x21]	GroupName
0x21	0x1	u8	Unknown Flag
0x22	0x2	u16	Unknown/Reserved

Animation Info

Offset	Size	Type	Description
0x0	0x8	Ui2d Section Header	Magic: "pai1"
0x8	0x2	u16	Frame count
0xa	0x1	u8	Is looping
0xb	0x1	u8	Unknown/Reserved
0xc	0x2	u16	Texture count
0xe	0x2	u16	Animation Content count
0x10	0x4	u32	Animation Content offset array offset (u32 array of offsets to AnimationContent)
0x14	0x4 * Texture Count	u32	Texture name offset array

Animation Target

Name	Enum Value	Description
Pane	0x0	Animation targets Panes
Material	0x1	Animation targets Materials
User	0x2	Animation targets UserData
PaneExt	0x3	Seems to duplicate as Pane sometimes?
StateMachine	0x4	Animation targets StateMachine

Animation Content

Offset	Size	Type	Description
0x0	0x1c	char[0x1c]	Animation Name
0x1c	0x1	u8	Animation Info Count
0x1d	0x1	u8	Animation Target
0x1e	0x2	u16	Unknown/Reserved
0x20	0x4 * Animation Info Count	u32	Animation Info Offset Array

Animation Info Type

Name (unofficial)	Magic Value	Description
Per Character Transform Curve Anim	FLCC
Extended User Data Anim	FLEU
Per Character Transform Anim	FLCT
Pane SRT (Scale Rotation Translation) Anim	FLPA
Vertex Color Anim	FLVC
Visibility Anim	FLVI
Drop Shadow Anim	FLDS
Mask Texture Anim	FLMT
Procedural Shape Anim	FLPS
Window Anim	FLWN
State Machine Anim	FSMA
Alpha Compare Anim	FLAC
Font Shadow Anim	FLFS
Indirect SRT Anim	FLIM
Material Color Anim	FLMC
Texture SRT Anim	FLTS
Texture Pattern Anim	FLTP
Brick Repeat Anim	FTBR
Vector Graphics Anim	FVGA

Animation Info

Offset	Size	Type	Description
0x0	0x4	u32	Animation Info Type Magic
0x4	0x1	u8	Animation Target Count
0x5	0x3	u24	Unknown/Reserved
0x8	0x4 * Animation Target Count	u32	Animation Target Offset Array

Animation Curve

Animation Curve Type

Name (unofficial)	Enum Value	Description
Constant	0x0	Plain float values
Step	0x1	Step key frames
Hermite	0x2	Hermite key frames

Step Key

Offset	Size	Type	Description
0x0	0x4	float	Key Index
0x4	0x2	u16	Value
0x6	0x2	u16	Unknown/Reserved

Hermite Key

Offset	Size	Type	Description
0x0	0x4	float	Key Index
0x4	0x4	float	Value
0x8	0x4	float	Slope

Animation Target

Offset	Size	Type	Description
0x0	0x1	u8	Unknown/Reserved
0x1	0x1	u8	Target Index
0x2	0x1	u8	Anim Curve Type
0x3	0x1	u8	Unknown/Reserved
0x4	0x2	u16	Frame Count
0x6	0x2	u16	Unknown/Reserved
0x8	0x4	u32	Key Array Offset

Animation Share

Note; at time of writing author has not seen a Bflan with this section

Offset	Size	Type	Description
0x0	0x8	Ui2d Section Header	Magic: "pah1"
0x8	0x4	u32	Share Info Offset
0xc	0x2	u16	Share Info Count
0xe	0x2	u16	Unknown/Reserved