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i want the shells of some of my cartridges to look different than usual:

cartridge source
pico-8 cartridge with a blue-green shell "my less good cartridges", section "2022-11-21: Welcome! — special edition 2"

more examples

so i created a GUI tool to replace shells of pico-8 cartridges

download & source

every part of this program is licensed under one of these licenses:

how to use

the GUI has these steps:

  1. put the original cartridge into the 'original cartridge' field
  2. put the replacement shell in the 'edited shell' field
  3. save the edited cartridge

after saving the new cartridge, you can load and run it in pico-8

limitations

filetype limitations

this program acepts only PNG files

image limitations

  • you can't change the image size of the cartridge
  • you can't move the 128×128px thumbnail that will be shown in splore and on the lexaloffle bbs
    • you also can't change the size of the thumbnail area
  • if you use more than 16 colors from the pico-8 extended palette in the 128×128px thumbnail area, the thumbnail will look unnatural and wrong in splore
    • if you use colors outside of the pico-8 extended palette in the thumbnail area, the thumbnail will look even more unnatural and wrong in splore

early history

you can read about the pre-release history of this tool in 'my less good cartridges':

  • section "2022-11-20: Welcome! — special edition"
  • section "2022-11-21: Welcome! — special edition 2"
  • section "2022-11-25: the impossible cart"
P#122051 2022-12-28 18:48 ( Edited 2023-03-04 06:56)

Hiya,
As awesome as this is - how do you run it?
I've downloaded the release, but it has no extension?
I'm on Windows and it seems from your screenshots that you are also.
Thx in advance

P#126353 2023-02-27 06:42
1

yes, the screenshots were made on Windows, but that version is barely tested.
for safety, i only exported on Linux, where i developed the program and tested it very much.
if you want to take the risk, you can run the Godot 4.0 project in Godot 4.x.

i developed the program on my Linux computer during school holidays.
when i wanted to write this post, school holidays ended. so i wrote this post in a short period of being done wth homework. to save time, i made this post on the Windows Laptop i use for school homework

P#126354 2023-02-27 07:10 ( Edited 2023-03-02 06:41)
1

@Sosasees Ah, ok - no probs.
Thanks again for creating it - very cool idea indeed!

P#126355 2023-02-27 08:17

yooooo this is amaaaaazing

P#126393 2023-02-28 01:59
1

how did this go as unnoticed (as in "it has barely any comments or stars") for two months? this works?? this is kinda freaking phenomenal!

P#126417 2023-02-28 15:31

@aKidCalledAris this went unnoticed because i am an unknown lexaloffle bbs member.

but even if i was well-known in this community, cartridge shell replacer might still have gone unnoticed, because i did not do much marketing for it:

(in this context, ⭕ and ❌ don't mean 'right' and 'wrong', but 'marketed' and 'not marketed'.
i think that the following cases of not marketing the cartridge shell replacer were right decisions)

P#126582 2023-03-04 05:55 ( Edited 2023-03-04 07:08)

@timothyferriss yes, this is what i have done 🙂

P#133194 2023-08-17 08:23 ( Edited 2023-08-17 08:24)

I like the look of all these shells.mapquest

P#137814 2023-11-23 09:13
1

WOW! Thats amazing! How can i run it in windows?

P#140072 2024-01-13 16:02
1

@wolfguy00 i have not made a Windows export because i did not test the program on Windows, so do it on your own risk:

first, download the source code.
then import it into Godot Game Engine v4.0.
from there you can run and export the program.

P#140073 2024-01-13 16:34
1

At my own risk? What can go wrong?

P#140074 2024-01-13 16:39

i can't think of anything that can go wrong when using this in the stable version of Godot
since i didn't put any OS-specific code in the program
but just in case it's still better to cautious since i didn't test the program on Windows (only on Linux)

thinking about it, the warning made sense when i made my program (the newest state of Godot 4.0 was Beta 2) but now you can most likely use the program safely in Godot 4.1.3

P#140075 2024-01-13 16:50

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