# Byte Swarm — attribution and third-party notices

Game development: Commander Beef / CommanderBeef.
Byte Swarm project code is licensed under the **GNU General Public License,
version 3 only (GPL-3.0-only)**. Copyright (c) 2026 CommanderBeef.
You may modify and redistribute it, including commercially, under those terms.
Distributed covered derivatives must remain GPLv3, with corresponding source
provided as required by the license. See [LICENSE](LICENSE) for the full terms.
The software is provided without warranty.

This license change applies going forward. Copies previously released under MIT
retain their original MIT permissions; that grant is not revoked.
Third-party materials retain their own licenses; the project license does not
replace the notices below.

## Glitch Goblin font

- Author: **GGBotNet**.
- Copyright © 2023 GGBotNet. Reserved Font Name: **Glitch Goblin**.
- Source: <https://ggbot.net/fonts>.
- License: **SIL Open Font License 1.1**.
- Original notice and full license: [assets/glitch-goblin/License.txt](assets/glitch-goblin/License.txt).
- Use: game and website typography.

## Dungeon Crawl Stone Soup tiles — all twenty stage backgrounds

- Authors: the **Dungeon Crawl Stone Soup developers and tile artists**, with
  roots in **rltiles**. Credit belongs to the individual artists, not the hosting site.
- Obtained from **OpenGameArt.org**, in the supplied “Dungeon Crawl Stone Soup Full” pack.
- Upstream source links supplied in the pack:
  [Dungeon Crawl 32×32 tiles](https://opengameart.org/content/dungeon-crawl-32x32-tiles),
  [supplemental tiles](https://opengameart.org/content/dungeon-crawl-32x32-tiles-supplemental),
  [Crawl tiles releases](https://github.com/crawl/tiles/tree/master/releases).
- License identified by the supplied pack: **CC0 1.0 Universal**.
- [Original contributor list and provenance](attribution/dungeon-crawl/README.txt).
- [Full original license](attribution/dungeon-crawl/LICENSE.txt).
- Adaptations: selected floor tiles are assembled into cobalt, sandstone, moss
  and marble palettes plus sixteen further floor palettes; Byte Swarm adds layouts and a static color treatment.
- Status: all twenty approved maps are used as the twenty published stage backgrounds.

Other packs downloaded for evaluation are not used by these twenty samples.
Add their authors, source, license and modification notes here before incorporating
their artwork. Attribution does not imply endorsement by any contributor.

## Distribution

The source browser and About page link to this file. The deployed site keeps
this file, the project LICENSE and the attribution directory available alongside
individual source-file downloads. Keep these notices with redistributed copies of the relevant assets.

## Dungeon Stairs cave entrances (0.9.250)

- Art: **Dungeon Stairs**, **by Clint Bellanger**.
- Source: <https://opengameart.org/content/dungeon-stairs>.
- License: **Creative Commons Attribution 3.0 Unported (CC BY 3.0)**: <https://creativecommons.org/licenses/by/3.0/>.
- Required attribution: **by Clint Bellanger**.
- Byte Swarm adaptation: one downstairs view is normalized into the surface cave-entrance sprite and one upstairs view into the cave-exit sprite; transparency, scale, and padding were adapted for the existing 72x64 entrance renderer.

### Dink Smallwood tree graphics

Byte Swarm 0.9.252 uses selected normal-tree and burning-tree graphics
from the original Dink Smallwood game data distributed with RTDink by
Seth A. Robinson / RTsoft.

The original FastFile source archives and accompanying license are retained at:

`SOURCE-ASSETS/dink-trees/`

A deployed copy of the license is provided at:

`public/attribution/RTDINK-LICENSE.md`