Implements the multiplayer transport layer from ROADMAP.md: UUID-based
client identity, a reliable-packet channel over UDP, handshake/ack/
ping/disconnect/player-joined/player-left/player-state packet types,
and split online (networked) vs offline (in-process singleplayer)
server modes wired into the engine's update/dispose loop.
- Add Scene.set(module) so JerryScript can switch scenes via
require()'d {init, update, dispose} modules; wire it into
engineUpdate() and rework overworldscene.js/init.js to the new shape.
- Fix scriptManagerExecFile() never pushing its own file's directory
onto the require() dir stack, breaking relative require() calls from
a top-level entry script (e.g. init.js -> ./overworldscene.js).
- Cache sprite geometry across frames for uislider/uitab/uiframe
(dialogs/textbox/settings) and give uitextbox a per-page glyph cache
instead of one spriteBatchBuffer call per visible character. uiconsole
drops its alloc/free vertex buffer for a fixed-size one. uifps skips
rebuilding its label when the text hasn't changed.
- Add PSP_OPTIMIZATION_PLAN.md and a handful of UI/spritebatch unit
tests covering the new caching logic.
- Add Dolphin/PPSSPP emulator smoke-test scripts (+ Docker variants and
CI jobs) for GameCube/Wii/PSP.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
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