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Merge pull request #524 from kaosregulator/claude/multi-game-low-end-support-o16gz5

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Claude/multi game low end support  and some fixes o16gz5
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bryanthaboi
2026-07-31 20:26:09 -04:00
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@@ -143,6 +143,41 @@ effect, `=1` forces it available. The Anbernic handheld pack exports `0` from
its launcher because the device reports `"Linux"` while its GPU is in the
phone class (see [Anbernic RG34XXSP](anbernic-rg34xxsp.md)).
## Performance tier (low-end devices)
The Options **PERFORMANCE** row scales the port's optional presentation
extras down for weaker hardware. The extras it governs are the three
heaviest things the port adds on top of the original -- the whole-screen 3D
**TILT** (transforms the entire map as a ground plane), the **GBC FX**
post-process shader (a fullscreen pass), and survey **ZOOM** (zooming out
renders the connected neighbor maps, a lot of extra overdraw) -- plus a hard
FPS ceiling. None of this touches game logic, which is fixed-step off `dt`
(`src/core/FixedStep.lua`), so every tier plays identically; they differ
only in how much eye-candy the renderer is allowed to do.
| Tier | TILT | GBC FX | Survey ZOOM | Extra FPS ceiling |
| ------------ | ---- | ------ | ----------- | ----------------- |
| **HIGH** | on | on | on | none |
| **BALANCED** | off | off | on | none |
| **LOW** | off | off | off | 60 |
| **AUTO** | picks a default from the device (below) |||
- **AUTO** (the default) reads the device once at boot: ARM Linux handhelds
(e.g. the RG34XXSP) resolve to **LOW**, phones/tablets and very-low-core
desktops to **BALANCED**, and everything else -- a normal desktop, and
every existing `options.lua` that predates this option -- to **HIGH**,
so the common case is unchanged. See `src/core/Performance.detect`.
- AUTO only chooses the *default*; all four tiers are selectable, so a
wrong guess is one row away from being overridden.
- The clamps are applied **live** against your stored options and never
rewrite them (`Game:applyOptions`), so a lower tier hides your TILT / GBC
FX / ZOOM without forgetting them -- raising the tier restores exactly
what you had. (This is why the TILT / GBC FX / ZOOM rows still show your
saved choice on a clamped tier: it's your preference, waiting for a tier
that can afford it.)
- Persisted as `save.options.performance` (`auto` | `high` | `balanced` |
`low`); unit-tested in `tests/engine/performance_tiers.lua`.
## Peer-to-peer link play (lua-enet)
Trades and link battles connect two copies of the game directly over