57 lines
3.8 KiB
Markdown
57 lines
3.8 KiB
Markdown
# P1
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An osu!stable skin rendered from code. Black screen, a terminal font, phosphor green UI, combos in three greens, and a cyan cursor. The name is the code for the classic green phosphor in old terminals and scopes.
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Every image is drawn by `gen.py` with Pillow. Change a colour or a stroke width, rerun it, and the whole skin follows.
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## Download
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Grab `P1.osk` from [Releases](https://github.com/pxlwh/p1-osu-skin/releases) and open it; osu! imports it. The release includes sounds, see [Credits](#credits).
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## Build
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Requirements: Python 3, [Pillow](https://pypi.org/project/pillow/), fontconfig (`fc-match`), and [Terminess Nerd Font](https://www.nerdfonts.com/) installed system wide.
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```sh
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python3 gen.py out/P1
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```
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Copy `out/P1` into your osu! `Skins` folder and pick **P1** in Options > Skin.
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This builds the visuals only, with no sounds, so osu! uses its default sounds. To pull sounds from skins you already own:
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```sh
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python3 gen.py out/P1 --assets "Skins/Some Skin" --hitsounds "Skins/Other Skin" --osk P1.osk
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```
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* `--assets` takes every sound from that skin.
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* `--hitsounds` replaces only the gameplay sounds (hit, slider, nightcore, combobreak) with another skin's set. Any matching sound from `--assets` is removed first, in every extension and numbering, so two sets never mix.
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* `--osk` also packs the finished skin into an `.osk` (a zip of the skin folder).
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`preview.py out/P1 docs/preview.png` renders the asset sheet above from any build. The gameplay loop is a [danser-go](https://github.com/Wieku/danser-go) replay render, cut to 10 seconds and encoded as animated WebP so it plays inline on any git host. Every frame is a keyframe (Pillow `kmax=1`): with inter-frame deltas, lossy WebP leaves ghost blocks where objects used to be on the black background.
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Rebuild into a fresh folder and replace the old one. Hidden elements are blank `@1x` files, and a stale `@2x` left behind by a previous build would win over them.
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## How it is drawn
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* **4x supersampling.** Each element is drawn at four times its `@2x` size, then downsampled to `@2x` and `@1x`. Edges and thin rings come out smooth without a separate antialiasing pass.
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* **White where the game tints.** osu! multiplies hit circles, approach circles, input keys and song select cards by a colour at draw time. Those are drawn white or grey so the combo colour shows through unchanged. The slider ball, slider ticks and follow circle stay white: the follow circle is never tinted by stable, so all three match it.
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* **Hidden, not missing.** Lighting, particles, combo bursts, kiai fountains, the cursor ripple and the slider tail circle are 1x1 transparent images. A missing file falls back to the default skin, so hiding takes a file.
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* **Palette.** `#00ff00` with dim tiers for the UI; combo colours in three greens, `0,255,0`, `0,180,0` and `0,100,0`; cyan `40,234,242` for the cursor only; `#ff5555` for misses only. No combo uses cyan or red, so the cursor and misses always stand out.
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## Limits of stable skinning
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Some things a skin cannot change in osu!stable: the progress pie, the hit error bar colours, leaderboard names, and the colours the game uses for pressed input keys. Slider bodies are a dark neutral because a per combo body renders at full brightness and there is no opacity setting.
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## License
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MIT for everything in this repository. The font is not included; Terminess Nerd Font is under the SIL Open Font License.
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## Credits
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The sounds in the release `.osk` are not part of this repository and not covered by its license. Menu and interface sounds come from the Beafowl skin (skin.ini author: Garin); gameplay hitsounds come from the Stars in The Sky skin (author not listed). They are included with credit; if you are an author and want them removed, open an issue and they will be.
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