MSBT

Contents

1. File Header
2. LBL1 Section
3. ATR1 Section
4. TXT2 Section

MSBT files are used to store dialogue in SMG.

1. File Header

Offset	Size	Description
0x00	8	"MsgStdBn"
0x08	2	Byte order, 0xFEFF = Big Endian
0x0A	2	Unknown, always 0
0x0C	2	Unknown, always 0x0103
0x0E	2	Unknown, always 3 (could be number of sections)
0x10	2	Unknown, always 0
0x12	4	File size
0x16	10	Unknown, 5 shorts, all always 0

2. LBL1 Section

The LBL1 section contains a list of all the NPCs and their message IDs. It begins with a header with the following structure:

Offset	Size	Description
0x00	4	"LBL1"
0x04	4	Section size
0x08	8	Unknown, 2 words, both always 0
0x10	4	Number of entries

Each entry is a consists of 2 words. The first word tells how many label-index pairs there are in the entry. The second word contains an offset to the label-index pairs.

A label index pair contains both a length prefixed string (the label) and a word, representing an offset into the TXT2 section (the index).

3. ATR1 Section

The ATR1 section contains a table of attributes for each string in the TXT2 section. It begins with a header with the following structure:

Offset	Size	Description
0x00	4	"ATR1"
0x04	4	Section size
0x08	8	Unknown, 2 words, both always 0
0x10	4	Number of entries
0x14	4	Unknown, always 12 (could be entry size)

The entries follow the section header. Each entry has the following structure:

Offset	Size	Description
0x00	1	Unknown
0x01	1	Unknown, possible values are 0, 1, 2
0x02	1	Dialog type (0 = Normal, 1 = Shout, 2 = Start When Close, 3 = Start When Anywhere)
0x03	1	Unknown, possible values are 0, 1, 2, 3, 4, 5, 6, 7, 8
0x04	2	Unknown
0x06	1	Unknown
0x07	1	Unknown
0x08	4	Offset to null-terminated UTF-16 string (points to empty string except in Starship Mario)

4. TXT2 Section

The TXT2 section is a string table containing the messages. It begins with a header with the following structure:

Offset	Size	Description
0x00	4	"TXT2"
0x04	4	Section size
0x08	8	Unknown, both always 0
0x10	4	Number of entries

Following the header are words for each entry, each of which is an offset to a null-terminated UTF-16 string.

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