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Tool Yet another PNG to XNB converter

psmith

Terrarian
It was fun to create my own png_to_xnb variant. I used an early version of this to create my texture pack. Maybe someone will also find it useful.

Source is here (C#): https://github.com/sullerandras/png_to_xnb
Precompiled exe (17 kB): https://github.com/sullerandras/png_to_xnb/raw/master/png_to_xnb.exe

It is a standalone exe, it should work on any Windows 7 or newer without installing .NET or XNA frameworks. On Mac you need wine or mono to run it.
Note that it supports batch converting via command line arguments. Start it without any command line arguments (e.g. double clicking it) to see a basic GUI.

Also note that the program only handles 8 bits per pixel PNG files. In other words: 16 bits / pixel images will not work properly, you need to convert them to 8 bpp.

This is my first C# project. I used Mono (Xamarin Studio) on a Mac for development.
 
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jopojelly

Retinazer
I don't know about yet another......this is the first standalone converter I've seen that converts from PNG to XNB! (I gave up on my own when I couldn't find documentation on the file type.)

I just tried it out real quick, and it looks like transparency has been reduced to white. Is this expected?

Anyway, great job, the whole "install all this software that is no longer supported just to convert some images" hurdle is now gone.
 

psmith

Terrarian
I don't know about yet another......this is the first standalone converter I've seen that converts from PNG to XNB! (I gave up on my own when I couldn't find documentation on the file type.)

I just tried it out real quick, and it looks like transparency has been reduced to white. Is this expected?

Anyway, great job, the whole "install all this software that is no longer supported just to convert some images" hurdle is now gone.
Thanks. I think I found the format specification here: http://xbox.create.msdn.com/en-US/sample/xnb_format (a really lame looking site, but the zip contains the documentation I was working from (in .docx format! lol! not pdf)).

The transparency should be ok. This program generates the exact same output as the earlier version I used to generate my HD textures (on Mac using wine. On Windows I haven't tested extensively, but I suppose it works the same).
 

DPh Kraken

Terrarian
I'm getting this once I can use my own computer. Here, take my imaginary money: $ , because xnb files are very annoying to make.
 

psmith

Terrarian
It seems like the converter doesn't retain the transparancy of my pngs
Can you send me the png file which is wrong?
In the converter I used the .NET Bitmap class, which should handle 8 bit per pixel RGBA png files. If you use 16 bit / channel, it will probably not work.
 

mrnoobman

Terrarian
Can you send me the png file which is wrong?
In the converter I used the .NET Bitmap class, which should handle 8 bit per pixel RGBA png files. If you use 16 bit / channel, it will probably not work.
Thanks for the info. I saved my PNGs with @ 8 bits and it works perfectly :D
 

psmith

Terrarian
How exactly do I use this?
It closes out when I click the exe
It is a command line application, you need to start it from CMD.EXE. If you double click on the exe it will close itself immediately because there are no command line arguments passed in.
 

Eli10293

Spazmatism
It was fun to create my own png_to_xnb variant. I used an early version of this to create my texture pack. Maybe someone will also find it useful.

Source is here (C#): https://github.com/sullerandras/png_to_xnb
Precompiled exe (12 kB): https://github.com/sullerandras/png_to_xnb/raw/master/png_to_xnb.exe

It is a standalone exe, it should work on any Windows 7 or newer without installing .NET or XNA frameworks. On Mac you need wine or mono to run it.
Note that this is a command line program. No GUI.
Also note that the program only handles 8 bits per pixel PNG files. In other words: 16 bits / pixel images will not work properly, you need to convert them to 8 bpp.

This is my first C# project. I used Mono (Xamarin Studio) on a Mac for development.
You should try adding a tutorial because this gets a little confusing
Edit: It would also be cool if you could drag a png file onto the exe to convert it
 
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Eli10293

Spazmatism
For some reason my transparency did not save when I put the xnb in the content folder and loaded the game :/
 
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