DMGTile
By
@Wirenux
- 12 Devlogs
- 15 Total hours
A Gameboy Tile Editor build in Rust (So you don't need GBTD, or Wine if you are not on Windows)
Ship #1
Pending review
What is this ?
DMGTile is a Gameboy Tile Editor/Designer build in Rust. Basically it’s a drawing program for Gameboy game.
Why ( °ヮ° ) ?
The idea for this project came from GBTD (Gameboy Tile Designer), who is Windows only and kinda old… So I recreated it from-scratch in Rust, so it can run on Linux, Windows & macOS without Wine (or equivalent). And all of this with the same features as GBTD.
Core Features ( ദ്ദി ˙ᗜ˙ )
Editor
- Pixel Painting: Use the mouse to paint ദ്ദി(˵ •̀ ᴗ - ˵ ) ✧
- Bucket Fill: A classic flood-fill tool
- Transform Tools: You can flip, rotate, move the active tile
- Live Previews: A little 4x4 grid to preview the active tile in a pattern (e.g: a background)
- Cached Texture Rendering: Tile textures are cached and only rebuilt when a tile is modified
Project Management
- Multi-Tile Support: You can draw up to 128 tiles per project file (you can scroll the list on the right of the screen to change tile)
- Undo/Redo: Each action is store in a stack, so you are able to undo or redo an action !
- Copy/Paste/Cut: Duplicate or move tile data between slots (in the same project)
- File Format: Each project is saved in .dmgtile (JSON), storing only the modified tiles while preseving the tiles ID
- Keyboard Shortcut: Full Cmd/Ctrl support for New Project, Open, Save, Undo, Redo, etc… Even the tools have there own shortcut
Export
- .bin Export: Exports all the modified tiles into the Gameboy’s native 2bpp format
- .c Export: Exports all the modified tiles as a C array, with configurable array name (Can be used with GBDK)
- Selective export: Only the modified tiles are written out
Okay… but how to test it ?
There is multiple way to test DMGTile but the easiest is to go to the Github Release and download the program for your OS ദ്ദി(˵ •̀ ᴗ - ˵ ) ✧
Then you can launch it and start drawing ! You can also try the export part to a .bin or .c file (you can see the note.md file on github, it’s my personal note when I was building DMGTile)
Thank you
Just a little thank you ❤️
(Every things you need is probably in the README.md)
(I even made a cute little icon :D )
This might be the last devlogs before Ship Nº1 
After wayyyy to much time the macOS, Windows and Linux build are ready ! Apple GateKeeper and windows Defender don’t like my application 😭 they both flag as something weird / virus… I also realize that my Linux build wasn’t working so I fix it !
I released v1.0.0 
! I added those warning about Windows Defender and Apple GateKeeper !
I also added the --dev flag to get the dev menu and finished the README.md
I have been writing the README.md before the release !
I change a little bit the logo to add a background for the app icon. Now the app run on macOS, Windows & Linux with icon on each one ! The next step is to make the README & a little Manual ! (And of course publish & build the release version for Windows MacOS & Linux !)
After 40min in Aseprite I am finally happy with a logo (I am so so pround of my self 😤 
). I designed it all by my self . Also I added some “toast” for a better UX.
This is a little update. In this devlogs I just created & tested my Makefile to cross built for Linux, Windows, MacOS from my Mac. And this work !
Wow 2h45 This the devlogs with the most things I added 
Here is a list of everything I added:
- A Export window
- Now allow up to 128 tiles on a single file
- When you draw somethings in tile 1 and on tile 6 in the
.dmgtilefile there will save only those 2 with there ID. In the.cfile is the same but without there ID so there will just be right after the other (same thing for.bin)
- When you draw somethings in tile 1 and on tile 6 in the
- “New project” button, with it you can start a…. NEW PROJECT
- Keyboard shortcut text in the top menu
- Keyboard shortcut to use every tool and change shade easily
- Hover text on every tool (to show the keyboard shortcut)
- Multiple tile render
- Move tool bar to the top for better UI
- Copy, Cut, Paste tile
- Add more Ctrl+Z utility
- Big chunk of tile see if it’s look good on repeat
Andddd, that it (this was damn hard). You can find every commit on my github.
A big feature here 
I added the export to .dmgtile file (it’s just a JSON but modified 
). You can also open it !
I also added the Undo / Redo with CTRL+Z & CTRL+SHIFT+Z (or the same but with CMD on macOS) and also in the Edit menu
But for me the biggest feature of this devlogs is the Export menu where you can choose the extension (.bin or .c) and if you choose .c you can modify the array name .
I also added the drag when using the bucket 🪣
A lot of change .
I added a top bar to with the option to export the tile in .bin & .c
For the top bar I had the idea of using muda but it just a complete mess on macOS and over kill for what I wanted to do so i just use the eframe equivalent
I also added icon to replace the old text.
Wow exaclty one hour Now the tile can be exported !
Understanting the Gameboy way to read tile was so hard that I started to write my own docs 💀 .
In this devlogs the important part is just to know that now every tile can be exported in a .bin (later I will do a .c/.h like GBTD)
I added a LOT of thing (i think… 
) 
. I added all the basic tool for pixel art (for the gameboy).
Here is a list :
- Canvas movement (move the pixel art in the canvas),
- Horizontal and Vertical flip,
- Rotate 90 clockwise,
- Pen & Bucket tool.
I also added a new RGB palette to get the classic green one and the gray one
(I also did fixed some little bug with the UI and the canvas)
Little update here . I added some new things . I added the color selector ! Also some shade indicator for the left and right mouse button, since in the color selector you can change the color for both. (They even got there own little outline 
)
1st devlogs 
. Right now I added the very basic feature, the grid with draw and erase. You can draw in dark grey with the left click and erase (paint in white) with the right click !