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Lazorne 2024-02-14 15:47:12 +01:00
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wiki-rtd/docs/wiki_development/functions/compression.md
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@ -9,6 +9,7 @@ The shell script:
With in the script there are several functions. With in the script there are several functions.
### compress_game() ### compress_game()
Description: Description:
@ -50,18 +51,24 @@ Description:
``` ```
## Compression targets reference list ## Reference list: compression_targets.cfg
This is used by the `find_compatible_compression_format()` function above.
The reference list: The reference list:
[emu-configs/defaults/retrodeck/reference_lists/reference_lists/compression_targets.cfg](https://github.com/XargonWan/RetroDECK/blob/main/emu-configs/defaults/retrodeck/reference_lists/compression_targets.cfg) [emu-configs/defaults/retrodeck/reference_lists/reference_lists/compression_targets.cfg](https://github.com/XargonWan/RetroDECK/blob/main/emu-configs/defaults/retrodeck/reference_lists/compression_targets.cfg)
The config is populated with compression formats with within `[]` and what es-de folders that are targeted for the format compression. The config is populated with compression formats with within `[]`.
Each system can only have one format.
Each new system has to be on a new line under it's compression format. Each new system has to be on a new line under it's compression format.
This is used by the `find_compatible_compression_format()` function above. Each system can only have one format and is using the es-de roms subfolders default names under `/roms/`.<br>
**Example:** <br>
You want to add `gb` to the list.
- Make sure that the subfolder under roms also called the same: `roms/gb`
- Then add the `gb` entry to under the `[zip]`
### Example ### Example
@ -80,7 +87,32 @@ atari2600
- gc is compressed to rvz - gc is compressed to rvz
- atari2600 is compressed to zip - atari2600 is compressed to zip
## How to add new system to compress ## Reference list: zip_compressable_extensions.cfg
This is used by the `find_compatible_compression_format()` function above.
The [zip_compressable_extensions.cfg](https://github.com/XargonWan/RetroDECK/blob/main/emu-configs/defaults/retrodeck/reference_lists/zip_compressable_extensions.cfg) contains the list of file exstensions that can be zipped into a .zip file and used by the systems that have enabled .zip compression in the `compression_targets.cfg`. This is to make sure only supported none compressed formats are compressed.
**Example:**
List of file extensions
```
.32x
.68k
.NDS
.a26
.a52
.a78
.abs
```
## Tips on adding new system to compress
1. Make sure the emulator supports the compression format and RetroDECK is using that version that supports it. 1. Make sure the emulator supports the compression format and RetroDECK is using that version that supports it.
2. Add the es-de folder name to `compression_targets.cfg` to the compression format it supports. 2. Verify that it does work with the emulator.
3. Make sure the system supports the compression format file format under the `<extension>` for that system in the [es_systems.xml](https://github.com/XargonWan/RetroDECK/blob/main/es-configs/es_systems.xml) file. Otherwise it won't be found after it is compressed in the interface.
4. Add the es-de folder name to `compression_targets.cfg` to the compression format it supports. If it is a new format that you want to compress to a .zip, add the new file extention to `zip_compressable_extensions.cfg`