Howling Theme Tool 3DS

Howling Theme Tool is a noob-proof tool to pack your custom themes as .CIA files to be used in Custom Firmware.

Features

First you should run the Theme Checker to verify if your themes are in good condition:

Open "Theme Checker", select your theme's folder and then press "Start Verification".
If the program notices a missing file in your theme, it will let you know.
- For example, if there is no "icon.png", the application will look for "info.smdh", if the file exists, it will extract the icon from there.
- If there is no "name.txt" it will ask you for a name for the theme, based on the folder's name.
- Wait until it finishes and you will be ready to go.

Set up your themes and folder:

Using Howling Theme Tool:

Open the application.
Select your theme's folder location and press "Start".
Select the themes you want from the available themes and add them to the "Themes to pack" list.
If you want, arrange them (recommend arranging them Z > A so they will appear A > Z in the 3DS).
Compile your theme package (the region you select must match your emunand's region)
Wait some seconds, select a place to save your theme package when prompted.

You must create a folder with this structure to work with Howling Theme Tool:

A theme for a proper work with Howling Theme Tool must have this structure:

bgm.bcstm - Theme's audio.
bgm.ogg - Audio's preview.
body_LZ.bin (*required*) - Theme's background.
icon.png (*required*) - Theme's icon.
name.txt (*required*) - Theme's name. It must be UTF-8 for "non-english" chars support.
preview.png - Theme's preview.

Notes:

Even if "icon.bmp" it's no longer required, "icon.png" it's still required and every theme must have one.
The "icon.bmp" will be automatically generated based on "icon.png" while creating a theme package.
To be sure your themes are ready to be used with "Howling Theme Tool", please run the "Theme Checker" and check your theme's folder.
"Theme Checker" will also generate proper "icon.png" and "name.txt" based in "info.smdh" and the folder's name.

This only works under Custom Firmware (tested on rxTools and Player's Heaven) at the moment.

Gateway forgot to patch the DLCs integrity check, so it will fail to install due to the "plain" control file.

v1.7.0 MOD

v1.7.0

Loading time and arrange time speed-up.
The file "icon.bmp" it's no longer required.
New icon creation method. The file "icon.bmp" will be automatically generated from the file "icon.png" while creating the theme package.
Japanese Home Menu support.
"About..." dialog updated.

v1.1

Coded by Howling Wolf Naru-José.

All the themes included in the release package were created by Howling Wolf & Chelsea.

Special Thanks:

@Roxas75 for the firsts scripts, rfs and metadatas.
@Reisyukaku for smashing his head to the wall and create the first scripts to make multi-theme cia files.
@Asia81 for beta-test, create the PackHack, and for being mega-enthusiast and always want to know more.
@Chelsea_Fantasy for all the ideas, beta-test and helps.
Akyra for give providing his 3DS to extract the MetaDatas for USA themes.
DAH_King for beta-test the USA themes in his console.
@redunka for providing the Japanese control file and for beta-test.
And a huge "Thank you" to everyone who helped to make custom themes what they are right now, it does not matter if you are a application developer or a custom theme maker, thanks to everyone.