Before Save: http://prntscr.com/kzjt57
After Save: http://prntscr.com/kzjs21

I edited the grass texture and whenever I saved it that happened. I am kinda new to nsmb hacking I'm not too sure what happened.

NSMBe's NSBTX editor has some bugs as you can see.

You can use an old version of MKDS Course Modifier to edit those (the newer versions broke some stuff for some reason).

You can download an old version here: https://nsmbhd.net/file/fLiDUCFloUvdd9LN/mkdscm_old.tar.gz
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GitHub - Kuribo64 - YouTube

Okay thanks for the help I will try that out right now.

how do you change the icon and title of the game?

You edit header, which is possible using Tinke.

To edit the game's icon:
https://www.youtube.com/watch?v=HDxEfiQgMeE

To edit the title logo on the title screen:
https://nsmbhd.net/thread/2064-nsmb-titlescreen-editor/ Credits to RicBent
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Discord Server 1 - Discord Server 2 - Youtube Channel

I have a problem with the behavior of poisoned water.
When the level starts the poisoned water acts normally and when you fall into it you die.
The problem occurs when you enter a door that leads to the same view: the water becomes swimmable.

This is a simple level that shows this bug - 1-1.nml

I would like to know if there is a fix to this even with the use of an ASM hack.

I have a question, are there any World map editors? One where I'd be able add secrets exits to a world or increase the map size of a world horizontally and vertically? Also is there a way to add music to NSMBW without having to replace others?

https://nsmbhd.net/thread/3727-goombatlas-the-nsmb-worldmap-editor-wip/

I hope that this is what you're looking for.

Let me correct myself, are there any world map editors for NSMBW?

Yes, but this isn't a NSMBWii forum
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"I strikingly thought you would know how but it clearly seems you have no knowledge of hacking" - MiiU 2017

Oh.

I can't seem to understand how the player model/animation files work and are compressed/decompressed. When I LZ decompress the player files in NSMBe they still have the .bin extension. The only way I found to rip all the .nsbmd and .nsbca files from the decompressed LZ .bin files is to use this program called Apicula to rip the files from the NSMB ROM. There I got these:



So what I don't get is how to re-pack these. Is the .bin file format some sort of DS archive because the player .bin files don't match the ripped files structure and have different names. Can someone show me how to open the .bins to find the .nsbmd and .nsbca files without using an extractor like Apicula? I want to be able to open the .bins to edit the .nsbmd and .nsbca files inside them so I can modify animation data.

The .bin player model files are just lz compressed regular nsbmd files. There are buttons in NSMBe to decompress/compress those. Remember that you cannot edit them even after decompressing. NSMBe still thinks that they are .bin files. So I recommend exporting the model after decompressing, editing it with an external tool like MKDS Course Modifier then reimport it, recompress it (important!) and you are done
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GitHub - Kuribo64 - YouTube

Thanks! I have another question. How can you overwrite an animation in an .nsbca with an animation from another .nsbca?

How does the game store bools in memory? Like, what form will they take? Will a value of false be 00 and a value of true be 01 or is it something else?

Boolean variables are stored as bytes as that is the smallest addressable unit. 0 is "false" and 1 is "true". In pretty much all cases values greater than 1 will also be interpreted as "true".
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GitHub - Kuribo64 - YouTube

That's what I assumed but I thought it couldn't hurt to ask. Thank you.

I have a question: I have a Nintendo 2DS, and I was wondering, will this work on the 2DS since it can play DS games?
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"Hey guys, do you sometimes wonder what tree does cheese come from?" -Richard Watterson, The Amazing World Of Gumball

If you have a way to play DS ROMS (R4 Card, or Homebrew app), then yes
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Here's my MvL Hacking thread

Consider joining the NSMB DS Hacking Discord Server! Also, be sure to check out the new wiki!

#HakingNoMore