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Hi, I’ve seen some carts in SPLORE that display label images which appear to be custom art (not screenshotted from in-game). This leads me to believe it’s possible to replace a cart’s label image with custom art. What would be the easiest way to do this? Thanks!

P#75349 2020-04-25 12:50 ( Edited 2020-04-25 12:51)

P#75350 2020-04-25 13:53
1

Also remember that the label image just snaps whatever is on the screen when you hit F7. So if you have it temporarily display some custom graphic, then take a label snapshot, that will be your label.

P#75367 2020-04-25 17:47

Thanks for the suggestions! I’ll try out both methods.

P#75371 2020-04-25 19:50

Ok I'm back, and I have a total noob question dredds. I cloned pico8-customcart onto my desktop with git, and I have no idea what program to execute it with, and how I would go about doing it. It's probably a dumb question, but I don't have much experience at all with these sorts of files.

P#75372 2020-04-25 20:14
1

I don’t know if you want to do what I do because it takes hours but I make a design in a sprite editor like ASEprite, then copy that in 8x8 chunks into the sprite space of a empty cart by hand (Im a bozo), then on the cart you want the label open both files with a text editor (I use sublime text) and copy the gfx data of the label cart into the label data (Make sure you take a label first so it shows up) of your actual cart. IDK if you want to do that because it takes a long time but I find making a rough sketch of the design before starting really helps.

P#75374 2020-04-25 20:53 ( Edited 2020-04-25 21:30)

So you're saying that I can replace the spritesheet of my game at the end of development with a spritesheet of another cart, capture a label image, and the game still saves with that label image, even though the gfx isn't in the spritesheet anymore? If so, that's an awesome loophole that I definitely have the patience to try.

P#75379 2020-04-25 21:29 ( Edited 2020-04-25 21:29)
1

No make the sprite space of a empty cart the picture you want and then copy that data in a text editor into the label part of the actual cart, Please do not replace your sprite sheet of your actual cart, although I guess you could do it like that but I think this way is easier

P#75380 2020-04-25 21:32

and ya the gfx data is stored just like the label since their both 128x128 16 color pictures, so you can replace them and it wont create any problems

P#75381 2020-04-25 21:34

Got it, thanks!

P#75382 2020-04-25 21:46

np

P#75383 2020-04-25 21:51
1

Works perfectly! :D

P#75384 2020-04-25 22:05

@dredds sry 2 bother u, but I'm a bit confuddled on how to use the pico8-customcart tool, would really appreciate it if u could explain

P#103976 2022-01-01 01:50
2

I addressed this years ago, this may help:

https://www.lexaloffle.com/bbs/?tid=35876

P#103979 2022-01-01 02:41
1

to use pico8-customcart:

  • get the git repository
  • install libpng-dev
  • run make
  • an executable file will be created from the C source, run with ./p8png

if you are using windows, you may be able to follow these instructions in the linux system embedded in windows.

note that the tool is a bit old; the format for label images has changed recently, to support secret colours, so other methods may be simpler and better.

these tools are not specifically for label picture but I wanted to mention them:

P#104051 2022-01-01 22:48 ( Edited 2022-01-01 22:49)

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