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86 lines
5.8 KiB
Markdown
86 lines
5.8 KiB
Markdown
# Switch Gift Data Manager
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## About
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This tool aims to make past Mystery Gift event contents back again in all the Pokémon games for Nintendo Switch.
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Since those games won't allow event injection in the SAV file, this tool creates a forged BCAT package, injectable with homebrews like [JKSV](https://github.com/J-D-K/JKSV/releases).
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This allows wondercards to be redeemed through the In-Game Mystery Gift Menu. The use of this tool does not involve hacking the game ROM nor hacking the game SAV.
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### Compatible files
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* Let's Go Pikachu and Let's Go Eevee wondercard full files (.wb7full)
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* Sword and Shield wondercard files (.wc8)
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* Brilliant Diamond and Shining Pearl wondercard files (.wb8)
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* Legends Arceus wondercard files (.wa8)
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* Scarlet & Violet wondercard files (.wc9)
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* BCAT wondercard files, either with mutiple or single wondercards (no file format extension)
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### Compatible games
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* Pokémon Let's Go Pikachu and Eevee
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* Pokémon Sword and Shield
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* Pokémon Brilliant Diamond and Shining Pearl
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* Pokémon Legends Arceus
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* Pokémon Scarlet and Violet
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## Disclosure
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Neither I nor the Project Pokémon staff takes any responsibility for possible adverse outcomes or bans due to the use of this tool. Use at your own discretion.
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**N.B:** Some BCAT files contain sensible console-specific informations, which you should keep safe. Don't share your BCAT to others!
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## Usage
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This paragraph refers to the Windows Form app. The Command Line app usage is similar and should be fairly intuitive.
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* Ensure you have the required [.NET 7.0 Desktop Runtime](https://dotnet.microsoft.com/en-us/download/dotnet/7.0) correctly installed
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* Dump your game's BCAT with [JKSV](https://github.com/J-D-K/JKSV/releases) and keep some copies somewhere safe
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* Open the tool and select your game of choice
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* Import wondercard files of your choice (by drag & drop or by clicking the `Open Files` button)
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* Eventually edit the wondercard id (WCID) if you have duplicated WCs and click `Apply`
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* Click the `Save as BCAT Package` button and browse to your dumped BCAT
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* A folder called "Forged_BCAT_{Game}" should appear next to your dumped BCAT
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* Restore the Forged Bcat with JKSV
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* To redeem the old fashion events, open your game -> Menu -> Mystery Gift -> redeem via Internet
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* When you're done, restore your original BCAT package with JKSV (not doing so may cause sync issues)
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**N.B**: BCAT Sync usually occurs between 12:00 AM (UTC) and 01:00 AM (UTC). I suggest to not follow this procedure during that timeframe to avoid a desync.
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If you experience a desync, follow one of these methods to resync:
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* Open JKSV, select BCAT, hover over your game and press X to open the menu, then click `Reset Save Data`.
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* Download the latest BCAT for your game from my [bcat_updates](https://github.com/Manu098vm/bcat_updates) repo or from [citrusbolt](https://github.com/citrusbolt)'s [website](http://citrusbolt.net/bcat/) and add the missing files to your dumped BCAT, then restore it with JKSV.
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## Support/Troubleshooting
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If you find any bug or you need support, please write in the [relevant topic on the Project Pokémon forums](https://projectpokemon.org/home/forums/topic/62491-switch-gift-data-manager-import-wondercards-into-switch-games-by-faking-bcat-packages/).
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Alternatively, feel free to contact me in my [Discord server](https://discord.gg/yWveAjKbKt).
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[<img src="https://canary.discordapp.com/api/guilds/693083823197519873/widget.png?style=banner2">](https://discord.gg/yWveAjKbKt)
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## Building
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* All the Switch Gift Data Manager projects require .NET 7.0.
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* .WinForm is a Windows Form application and can only be built in Windows Operating Systems.
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* .Core and .CommandLine can be built in any platform OS.
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* Use the Debug build configuration when editing or developing code related to the .WinForm project. Build as Release only once the code is finished.
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* To build the projects, open the .sln file in the root directory with an IDE such as Visual Studio 2022, click `Build` -> `Build Solution`.
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The .CommandLine project is currently just a simple script that calls the .Core functionalities and can run on any popular OS. Feel free to improve it and/or submit a pull request if you'd like :-)
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## Credits
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* [PNZeml](https://github.com/PNZeml) for the CRC-16/CCITT-FALSE with lookup table [implementation](https://gist.github.com/tijnkooijmans/10981093?permalink_comment_id=3996072#gistcomment-3996072)
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* [kwsch](https://github.com/kwsch), [sora10pls](https://github.com/sora10pls) and all the [PKHeX](https://github.com/kwsch/PKHeX) and [pkNX](https://github.com/kwsch/pkNX) devs and contributors
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for a lot of offsets and resources
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* [PP-theSLAYER](https://github.com/PP-theSLAYER) and [pasqualenardiello](https://github.com/pasqualenardiello) for their researches on the Sword & Shield fashion block and on the Scarlet and Violet fashion block respectively
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* All the Project Pokémon Staff and the [Event Gallery](https://github.com/projectpokemon/EventsGallery) contributors for their archival efforts that made this possible
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## License
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Copyright © 2023 Manu098vm
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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