Fix Retroarch Assets/Scan On Wii U

wiiu_retroarch_notes

[Note: Not mine, this was copy word for word from here:  https://pastebin.com/raw/6NAUDzgJ]

How to Fix Retroarch Assets and Game Scan
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How to Fix Retroarch on your if the online updater and scanner are not working.
[Example designed for Wii u but should be cross platform if your having a problem]
1. Download Retroarch on your platform of choice. (Retroarch rpx version on wii u)

2. Run Retroarch at least once, if your missing assets it will ask you to use the online updater which on Wii u will fail.

3. Now exit Retroarch, take out your SD card and put it in your PC. If your not on Wii u just find your specific retroarch file directory and go to it.

4. Before doing anything else go to the Retroarch asset site here https://buildbot.libretro.com/assets/
Inside the frontend folder you will need to download the following.
Assets.zip
Bundle.zip

5. Now extract both zips into their own folders. First copy the contents of the assets folder into the media folder inside of the retroarch folder. Overwrite anything if it ask.

6. Once thats finished, take inside contents of the bundle folder and place them on the root of the retroarch folder. Overwrite anything if it ask.

7. Now retroarch will look and act correctly. If your missing any cores you can get them from the asset site above.


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How to add missing games
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1. Go inside the Retroarch contents folder
Cores -> Playlist

2. Once inside the playlist folder open the system of your choice with notepad++ or some equivalent.

3. go down to the bottom of the sheet, copy the code of the last game like this
    {
      "path": "sd:/Roms/systemnamehere/game.FileExtensionHere",
      "label": "Game Name Here",
      "core_path": "DETECT",
      "core_name": "DETECT",
      "crc32": "",
      "db_name": "System-name.lpl"
    },

Make sure your last game has this "   }, " at the end if its not the last game "    }   " that is the correct ending.

Change the info as needed and make sure to follow the others in the notepad file, if your struggling with the info you can also pull it from adding the game to your favorites and put in that info in the correct spot.

[Favorites content_favorites.lpl can be found in the root of the retroarch folder]

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LAST Game example
 {
      "path": "sd:/Roms/systemnamehere/game.bin",
      "label": "Game Name Here",
      "core_path": "DETECT",
      "core_name": "DETECT",
      "crc32": "",
      "db_name": "System-name.lpl"
    },

NOT Last Game
 {
      "path": "sd:/Roms/systemnamehere/game.bin",
      "label": "Game Name Here",
      "core_path": "DETECT",
      "core_name": "DETECT",
      "crc32": "",
      "db_name": "System-name.lpl"
    }
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That's everything happy gaming :)