[Graphics] Help replacing Professor Birch sprite from Intro

[Bdoosh]

I tried following the tutorial on how to replace a sprite, but it seemed to be specifically for trainer sprites. I want to replace the professor birch sprite with a custom sprite that has a different palette. Does anyone know how?

 

[Anon822]

In general you can find pretty much any graphic by just looking at the folder/filenames in the graphics folder.
Birch can be found at graphics/birch_speech/birch.png

You can just modify the png or replace it with a custom one.
Some graphics use palettes from external palette files but birch does not. Its palette is generated from the png so that's all you need to change.

 

[Bdoosh]

Thanks for the response!
So I've replaced the original birch png with a custom one and I get this error when I try to make.

tools/gbagfx/gbagfx graphics/birch_speech/birch.png graphics/birch_speech/birch.4bpp
"graphics/birch_speech/birch.png" has an unsupported color type.
make: *** [Makefile:216: graphics/birch_speech/birch.4bpp] Error 1

I assume it would have to generate a palette even though it's a different palette from the original, but I don't think it did that. Unless I'm doing something wrong here. 😅

 

[Anon822]

"graphics/birch_speech/birch.png" has an unsupported color type.

The image needs to be formatted as an indexed image for it to work.
It should also only use 16 colors out of which the first one is transparency (so 15 actual colors).

 

[Bdoosh]

The image needs to be formatted as an indexed image for it to work.
It should also only use 16 colors out of which the first one is transparency (so 15 actual colors).

Ah, I forgot to mention that I did index my image. I used GraphicsGale to do it. I followed the tutorial here and it still gave me the same error.
I got confused so that's why decided to ask here.

 

[Bdoosh]

I managed to get rid of the error! Somehow the image didn't convert to 4bpp with GraphicsGale, so I used another image editing program, and then it worked.