Difference between revisions of "STRG (Metroid Prime)"
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Revision as of 16:59, 25 January 2015
The STRG format is used to store string tables. Each STRG file can contain any number of strings, as well as variations for different languages; the Prime series supports English, French, German, Spanish, Italian, Dutch, and Japanese. The format's been updated in each game it appeared in, so no two games share the exact same STRG format, although it's very similar between all of them.
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To do: The page currently only covers the Prime 1/2 STRG formats; the Prime 3/DKCR one should be added to the page, or split off into a separate page if it turns out it's different enough. |
Format
Header
| Offset | Size | Description |
|---|---|---|
| 0x0 | 4 | Magic; always 0x87654321 |
| 0x4 | 4 | Version; see below |
| 0x8 | 4 | Language count |
| 0xC | 4 | String count |
| 0x10 | End of header | |
These are the possible version numbers:
| Version | Game |
|---|---|
| 0x0 | Metroid Prime |
| 0x1 | Metroid Prime 2 |
| 0x3 | Metroid Prime 3/DKCR |
Languages
Following is a table that describes which languages appear in the file.
| Offset | Size | Description |
|---|---|---|
| 0x0 | 4 | Language fourCC |
| 0x4 | 4 | Language strings offset |
| 0x8 | 4 | Language strings size (note: this is not in Prime 1) |
| 0xC | Language entry end | |
String Names
In Echoes, strings can have names attached to them. Note that this table only appears in the Echoes STRG format; for Prime 1, skip ahead to the string tables.
| Offset | Size | Description |
|---|---|---|
| 0x0 | 4 | Name count |
| 0x4 | 4 | Name table size |
| 0x8 | Name entries begin | |
Each entry is structured as follows:
| Offset | Size | Description |
|---|---|---|
| 0x0 | 4 | Name offset (relative to after the name table size value) |
| 0x4 | 4 | String index - this is the string number that the name is associated with |
| 0x8 | End of entry | |
After every name entry comes all the names in the form of a large UTF-8 string array. The names are zero-terminated, and they're sorted in alphabetical order; the sorting is case-sensitive, so 'Z' will appear before 'a'.
String Tables
Last are the actual string tables themselves. Each table contains some metadata followed by a series of UTF-16 strings. The number of strings is declared in the header; there will be one of these tables present per language present in the file.
| Offset | Size | Description |
|---|---|---|
| 0x0 | 4 | String table size (note: this is not in Echoes) |
| 0x4 | 4 × string count | String offsets (relative to after the size value) |
| - | Varies | UTF-16 strings |
Tools
- STRG Editor by Parax - supports creating/editing and resaving STRG files in Metroid Prime 1/2's formats
