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About the New BNP Format

A News for The Legend of Zelda: Breath of the Wild (WiiU)

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The new bnp rule

This post will hopefully clear up any misunderstandings about the recent change to the Gamebanana Rules for Breath of the Wild (Wii U/Cemu).

Recently we've started requesting that all mods require bnp files, as such many existing mods have been withheld. When uploading a mod we now require that the mod also includes a .bnp file (also known as BCML Nano Patch). Graphics Packs can still be added to the submission.

Mods that aren't visible anymore are not removed but withheld. Mod creators can view withheld submissions by going to your user profile, hovering over submissions and clicking on Sublog. 

All you need to do is create a bnp file from your graphics pack with BCML (a 5 min process) and upload that file alongside anything you currently have up.

This change is being done as a measure to decrease the file size of mods, reduce claims of piracy (bnp files only contain original content) as well as increase the compatibility of mods when installing them via BCML. In addition this will ensure that all mods are consistent in format making it easier for users to install mods.

BCML can use bnp files to create Wii U compatible mods, allowing for Wii U users to also merge larger mod packs. It also automatically calculates the RSTB value for files that have been changed, minimising the time a mod creator would normally spend doing so manually.

Mods by creators that are no longer in the modding community will have bnp files added to their submissions by the Game Managers (or those helping). This is also being used as a chance to review mods that are no longer compatible with the current version of BotW.

We're happy to help anyone that needs help creating a bnp file. Simply join this Discord and ask in #bcml-merging.

If you have any other questions related to this feel free to DM me on Discord: CEObrainz#9081




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  • dragbe avatar
    dragbe Joined 5mo ago
    280 points Ranked 51553rd
    access_time 19d
    BCML is useless for graphics packs that do not require merging. In this case, force the user to install 400Mo+ of tools to simply edit fsPriority (if necessary) makes no sense. Another question about BCML. Allows it double injections (replace a specific bfwav file in its bars archive then injected into Bootup.pack for example) ?
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  • SirenBrink avatar
    SirenBrink Joined 2y ago
    access_time 27d
    "It also automatically calculates the RSTB value for files that have been changed"

    This is the best news I've read today
    I like puppies.
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  • Miguel92398 avatar
    Miguel92398 username pic Joined 3y ago
    9,182 points Ranked 641st
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    access_time 27d
    I have a question:

    What happens if the modder of the said mod quit modding and don't want to update it anymore? From what I know, if mods are being withheld in 3 months, it will permanently trashed. Would it be a great idea if no one will update their popular mods in 3 months, the managers will update it by themselves?
    Don't DM me for stuff
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CEObrainz avatar
CEObrainz username pic Joined 2y ago
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