Latest revision as of 13:40, 1 May 2019

BFLYT (Binary caFe LaYouT) is an updated format for BRLYT files on the Wii. It contains 2D layout information.

Format

Header

The file starts with a header which is 0x14 bytes long.

Offset	Type	Description
0x00	String	File magic. Always FLYT in ASCII.
0x04	UInt16	Byte Order Mark (BOM): 0xFEFF for big endian and 0xFFFE for little endian.
0x06	UInt16	Header size.
0x08	UInt32	Version.
0x0C	UInt32	File size.
0x10	UInt16	Number of sections.
0x12	UInt16	Padding.

Sections

After the header comes first 4 sections, where 3 of them are optional. Then comes all the panes and then the groups.

lyt1

The lyt1 section contains general information about the layout.

Offset	Type	Description
0x00	String	Section magic. Always lyt1 in ASCII.
0x04	UInt32	Section size.
0x08	Byte	Drawn from center.
0x09	Byte[3]	Padding.
0x0C	Float	Width of the layout.
0x10	Float	Height of the layout.
0x14	Float	Max parts height. Unknown meaning.
0x18	Float	Max parts height. Unknown meaning.
0x1C	String	Layout name, null terminated.

txl1

The txl1 section is a list of external BFLIM references.

Offset	Type	Description
0x00	String	Section magic. Always txl1 in ASCII.
0x04	UInt32	Section size.
0x08	UInt16	N = Number of textures.
0x0A	UInt16	Padding.
0x0C	UInt32[N]	Texture string offsets. Links to null-termined strings.

fnl1

The fnl section is a font list. It links to external BFFNT files.

Offset	Type	Description
0x00	String	Section magic. Always fnl1 in ASCII.
0x04	UInt32	Section size.
0x08	UInt16	N = Number of fonts.
0x0A	UInt16	Padding.
0x0C	UInt32[N]	Font string offsets. Links to null-termined strings.

mat1

The mat1 section stores materials. It is currently unknown.

Offset	Type	Description
0x00	String	Section magic. Always mat1 in ASCII.
0x04	UInt32	S = Section size.
0x08	Byte[S]	Material data.

pas1

The pas1 section indicates start of children pane data.

Offset	Type	Description
0x00	String	Section magic. Always pas1 in ASCII.
0x04	UInt32	Section size.

pae1

The pas1 section indicates end of children pane data.

Offset	Type	Description
0x00	String	Section magic. Always pae1 in ASCII.
0x04	UInt32	Section size.

pan1

The pan1 section contains information about a null pane, a pane that isn't visible. The root pane is always a pan1 called "RootPane". Other pane sections start with this structure and then has additional data. The only difference is that the magic is changed.

Offset	Type	Description
0x00	String	Section magic. Always pan1 in ASCII.
0x04	UInt32	Section size.
0x08	Byte	Flag 1. Axxx xBCD: A = Panel Hidden (in editor?) B = Location Adjust C = Influence alpha D = Visible
0x09	Byte	Origin flags. AABB CCDD: A = Origin X where 0 = center, 1 = left, 2 = right B = Origin Y where 0 = center, 1 = top, 2 = bottom C = Parent origin X (same values as A) D = Parent origin Y (same values as B)
0x0A	Byte	Alpha.
0x0B	Byte	Panel flags. xxxA BCDE: A = IsConstantBufferReadySelf. B = ViewerInvisible. C = Use external user data animations. D = PartsMagnifyAdjustToPartsBound E = Ignore magnification parts.
0x0C	String	Pane name. The string has a fixed length of 0x18, unused characters are set to 0.
0x24	String	User information. Unknown purpose. The string has a fixed length of 8, unused character are set to 0.
0x2C	Float[3]	Pane translation in X, Y and Z directions.
0x38	Float[3]	Pane rotation in X, Y and Z directions.
0x44	Float[2]	Pane scale in X and Y directions.
0x4C	Float[2]	Pane size in X and Y directions.

pic1

The pic1 section contains information about a picture pane.

Offset	Type	Description
0x54	Byte[4]	Top left vertex color in RGBA format.
0x58	Byte[4]	Top right vertex color in RGBA format.
0x5C	Byte[4]	Bottom left vertex color in RGBA format.
0x60	Byte[4]	Bottom right vertex color in RGBA format.
0x64	UInt16	Material index.
0x66	Byte	Number of UV coordinates.
0x67	Byte	Padding.

UV coordinates then follows with the following structures.

Offset	Type	Description
0x00	Float[2]	Top left UV coordinates.
0x08	Float[2]	Top right UV coordinates.
0x10	Float[2]	Bottom left UV coordinates.
0x08	Float[2]	Bottom right UV coordinates.

txt1

The txt1 section contains information about a text pane.

Offset	Type	Description
0x54	UInt16	Text length.
0x56	UInt16	Restricted text length.
0x58	UInt16	Material index.
0x5A	UInt16	Font index.
0x5C	Byte	Text alignment. xxxx AABB A = Horizontal where 0 = Center, 1 = Left, 2 = Right B = Vertical where 0 = Center, 1 = Left, 2 = Right
0x5D	Byte	Line alignment. 0 = Not specified 1 = Left 2 = Center 3 = Right
0x5E	Byte	Flag 1. xxxA BBCD A = Per Char Transform enabled B = Border format where 0 = Standard, 1 = Delete Border, 2 = Render in two cycles C = Restricted text length enabled D = Shadow enabled
0x5F	Byte	Padding.
0x60	Float	Italic tilt.
0x64	UInt32	Text offset, relative to the start of this pane. Links to the pane text which is stored in UTF-16 (big endian) as a null-terminated string.
0x68	Byte[4]	Font top color in RGBA format.
0x6C	Byte[4]	Font bottom color in RGBA format.
0x70	Float[2]	Font XY size.
0x78	Float	Character space.
0x7C	Float	Line space.
0x80	UInt32	Textbox name offset, relative to the start of this pane. Links to the name of this textbox, stored in ASCII as a null-termined string.
0x84	Float[2]	Shadow XY.
0x8C	Float[2]	Shadow XY size.
0x94	Byte[4]	Shadow top color in RGBA format.
0x98	Byte[4]	Shadow bottom color in RGBA format.
0x9C	Float	Shadow italic.
0xA0	UInt32	Per-Character transform offset, if the above flag is set to 1.

Per-Character Transform

The per-character transform is for separate animations for every character in a textbox.

Offset	Type	Description
0x00	Float	Curve time offset.
0x04	Float	Animation curve width.
0x08	Byte	Loop type.
0x09	Byte	Vertical origin.
0x0A	Byte	Has animation info.
0x0B	Byte	Padding.

wnd1

The wnd1 pane contains information about a window pane. It is unknown how it works.

Offset	Type	Description
0x54	Int16	Inflation left.
0x56	Int16	Inflation right.
0x58	Int16	Inflation top.
0x5A	Int16	Inflation bottom.
0x5C	Int16	Frame size left.
0x5E	Int16	Frame size right.
0x60	Int16	Frame size top.
0x62	Int16	Frame size bottom.
0x64	Byte	N = Number of frames.
0x65	Byte	Flags. xxAB BBCD A = Do not draw content. B = Window kind. C = Use vertex colors on all materials. D = Use a single material.
0x66	UInt16	Padding.
0x68	UInt32	Content offset.
0x6C	UInt32	Frame offset table offset. Links to a UInt32[N}] with offsets which links to window frames. All offsets are relative to the start of the pane.

Window Content

Offset	Type	Description
0x00	Byte[4]	Top left vertex color in RGBA format.
0x04	Byte[4]	Top right vertex color in RGBA format.
0x08	Byte[4]	Bottom left vertex color in RGBA format.
0x0C	Byte[4]	Bottom right vertex color in RGBA format.
0x10	UInt16	Material index.
0x12	Byte	Number of UV coordinates.
0x13	Byte	Padding.

UV coordinates then follows with the following structures.

Offset	Type	Description
0x00	Float[2]	Top left UV coordinates.
0x08	Float[2]	Top right UV coordinates.
0x10	Float[2]	Bottom left UV coordinates.
0x08	Float[2]	Bottom right UV coordinates.

Window Frame

Offset	Type	Description
0x00	UInt16	Material index.
0x02	Byte	Texture flip.
0x03	Byte	Padding.

Window Kind

Value	Description
0x00	Normal.
0x01	Horizontal.
0x02	Horizontal with no content.

bnd1

The bnd1 section is a boundary pane. It has unknown purpose and no additional data follows the pane.

prt1

The prt1 section is an unknown pane. Unknown additional data follows the pane.

Offset	Type	Description
0x54	UInt32	Property count.
0x58	Float	Magnify X.
0x5C	Float	Magnify Y.

Following this structure are N amount of properties.

Offset	Type	Description
0x00	String	Property Name, 0x18 in length.
0x18	Byte	Usage flag.
0x19	Byte	Basic usage flag.
0x1A	Byte	Material usage flag.
0x1B	Byte	Padding.
0x1C	UInt32	Property offset.
0x20	UInt32	External user data offset.
0x24	UInt32	Panel information offset.

The three sections, properties, user data, and panel information are defined below the property.

grs1

The grs1 section indicates start of group children data.

Offset	Type	Description
0x00	String	Section magic. Always grs1 in ASCII.
0x04	UInt32	Section size.

gre1

The gre1 section indicates end of group children data.

Offset	Type	Description
0x00	String	Section magic. Always gre1 in ASCII.
0x04	UInt32	Section size.

grp1

The grp1 section contains information about a group.

Offset	Type	Description
0x00	String	Section magic. Always grp1 in ASCII.
0x04	UInt32	Section size.
if BFLYT version < 5.0.0.0
0x08	String	Group name. The string has a fixed length of 0x18, unused characters are set to 0.
0x20	UInt16	Number of children.
0x22	UInt16	Padding.
0x08	String	Group name. The string has a fixed length of 0x22, unused characters are set to 0.
0x2A	UInt16	Number of children.

The section follows by children names. The amount is given by "Number of children". Each string has a fixed length of 0x18, unused characters are set to 0.

cnt1

Unknown.

Offset	Type	Description
0x00	String	Section magic. Always cnt1 in ASCII.
0x04	UInt32	Section size.
if BFLYT version < 3.0.0.0
0x08	UInt32	Functional panel names offset.
0x0C	UInt16	Functional panel count.
0x0E	UInt16	Panel animation count.
0x08	UInt32	Control username offset.
0x0C	UInt32	Functional panel names offset.
0x10	UInt16	Functional panel count.
0x12	UInt16	Panel animation count.
0x14	UInt32	Panel parameter names offset.
0x18	UInt32	Animation parameter names offset.