MSBP (File Format)

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MSBP (MessageStudio Binary Project) is a file format used in games such as New Super Mario Bros U, Super Mario Odyssey, Super Mario Galaxy 2, Mario Kart 8, Mario Kart 8 Deluxe and Super Mario Party. It is used along with MSBT for the text in-game. MSBP seems to store different text styles, which is used to render the text.

File Format

File Header

The file starts with the following header:

Offset Type Description
0x00 Char[8] File magic. Always MsgPrjBn in ASCII.
0x08 UInt16 Byte-order-mark. FE FF for big endian, FF FE for little endian.
0x0A UInt16 Unknown.
0x0C Byte String encoding. UTF8 = 0, UTF16 = 1.
0x0D Byte Possibly a version number. Games on Wii, Nintendo 3DS and Wii U as well as Mario Kart Tour use 3, games on Nintendo Switch and Super Mario Run use 4.
0x0E UInt16 Number of sections.
0x10 UInt16 Unknown.
0x12 UInt32 File size in bytes.
0x16 Byte[10] Unknown. Always 0.

CLR1

The CLR1 section stores colors, in RGBA8 format. The section starts with the following header:

Offset Type Description
0x00 Char[4] Section magic. Always CLR1 in ASCII.
0x04 UInt32 Section size (starting from 0x10).
0x08 Byte[8] Unknown. Always 0.
0x10 Int32 Number of colors.

After the header follows an array of colors, in RGBA8 format. Each color is 4 bytes.

CLB1

The CLB1 section stores color labels.

Offset Type Description
0x00 Char[4] Section magic. Always CLB1 in ASCII.
0x04 UInt32 Section size (starting from 0x10).
0x08 Byte[8] Unknown. Always 0.
0x10 Int32 Number of entries.

CLB1 Entry

Each entry has the following structure:

Offset Type Description
0x00 Int32 Number of color label strings.
0x04 UInt32 String offset, relative to 0x10 in the CLB1 header.

ATI2

The ATI2 section stores attribute information.

Offset Type Description
0x00 Char[4] Section magic. Always ATI2 in ASCII.
0x04 UInt32 Section size (starting from 0x10).
0x08 Byte[8] Unknown. Always 0.
0x10 UInt32 Number of entries.

ATI2 Entry

Offset Type Description
0x00 UInt32 Unknown.
0x04 UInt32 Unknown.

ALB1

The ALB1 section stores attribute labels.

Offset Type Description
0x00 Char[4] Section magic. Always ALB1 in ASCII.
0x04 UInt32 Section size (starting from 0x10).
0x08 Byte[8] Unknown. Always 0.

ALI2

The ALI2 section stores attribute lists.

Offset Type Description
0x00 Char[4] Section magic. Always ALI2 in ASCII.
0x04 UInt32 Section size (starting from 0x10).
0x08 Byte[8] Unknown. Always 0.

TGG2

The TGG2 section stores tag groups.

Offset Type Description
0x00 Char[4] Section magic. Always TGG2 in ASCII.
0x04 UInt32 Section size (starting from 0x10).
0x08 Byte[8] Unknown. Always 0.
0x10 UInt32 Number of entries.

After an array of 32-bit offsets follow, which are relative to 0x10 into the TGG2 header. These link to the entries.

TGG2 Entry

Offset Type Description
0x00 UInt16 Entry index.
0x02 UInt16 Number of index entries.

After an entry an array of UInt16s, of length specified above, follows. These are TAG2 entry indices. After a null-terminated string follows, which presumable is the entry name.

TAG2

The TAG2 section stores tags.

Offset Type Description
0x00 Char[4] Section magic. Always TAG2 in ASCII.
0x04 UInt32 Section size (starting from 0x10).
0x08 Byte[8] Unknown. Always 0.
UInt32 UInt32 Number of entries.

After an array of 32-bit offsets follow, which are relative to 0x10 into the TAG2 header. These link to the entries.

TAG2 Entry

Offset Type Description
0x00 UInt16 Number of index entries.

After an entry an array of UInt16s, of length specified above, follows. These are TGP2 entry indices. After a null-terminated string follows, which presumable is the entry name.

TGP2

The TGP2 section stores tag parameters.

Offset Type Description
0x00 Char[4] Section magic. Always TGP2 in ASCII.
0x04 UInt32 Section size (starting from 0x10).
0x08 Byte[8] Unknown. Always 0.
0x10 UInt32 Number of entries.

After an array of 32-bit offsets follow, which are relative to 0x10 into the TGP2 header. These link to the entries.

TGP2 Entry

Offset Type Description
0x00 Byte Parameter type.

Usually a null-terminated string follows, but it's currently unsure how it works.

TGL2

The TGL2 section stores tag lists.

Offset Type Description
0x00 Char[4] Section magic. Always TGL2 in ASCII.
0x04 UInt32 Section size (starting from 0x10).
0x08 Byte[8] Unknown. Always 0.
0x10 UInt32 Number of entries.

After follows 32-bit offsets, relative to 0x10 into the TGL2 header, which amount is specified above. These points to null-terminated strings.

SYL3

The SYL3 section stores style lists.

Offset Type Description
0x00 Char[4] Section magic. Always SYL3 in ASCII.
0x04 UInt32 Section size (starting from 0x10).
0x08 Byte[8] Unknown. Always 0.
0x10 UInt32 Number of entries.

SYL3 Entry

Offset Type Description
0x00 UInt32 Region width.
0x04 UInt32 Line number.
0x08 Int32 Font index.
0x0C Int32 Base color index.

SLB1

The SLB1 section stores style labels.

Offset Type Description
0x00 Char[4] Section magic. Always SLB1 in ASCII.
0x04 UInt32 Section size (starting from 0x10).
0x08 Byte[8] Unknown. Always 0.
0x10 UInt32 Number of entries.

SLB1 Entry

After the header comes the entries. Each entry has the following structure:

Offset Type Description
0x00 Int32 Number of sub entries.
0x04 UInt32 Offset to an array of sub entry, relative to 0x10 in the SLB1 header.

SLB1 Sub Entry

Each sub entry has the following structure:

Offset Type Description
0x00 Byte Key string size (K).
0x01 Char[K] Key string used to access this message. The string has the length K and is not null-terminated.
0x01 + K UInt32 SYL3 entry index.

CTI1

The CTI1 section stores content information.

Offset Type Description
0x00 Char[4] Section magic. Always CTI1 in ASCII.
0x04 UInt32 Section size (starting from 0x10).
0x08 Byte[8] Unknown. Always 0.
0x10 Int32 Number of linked file names which the binary message files, MSBT, MSBP and MSBF, are created from.

After follows 32-bit offsets, relative to 0x10 into the CTI1 header, which amount is specified above. These points to null-terminated strings which are filenames which the message files are created from. MSBT files are created from .mstxt, but there are also other file extensions such as .msalt and .msqry.

Tools

The following tools support MSBP files:

  • (none)
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