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Claude
c8e035d332
Introduce an OPTIONS -> PERFORMANCE setting that scales the port's optional presentation extras down for weaker hardware, so older/lower-end devices can run the game smoothly. The tier governs the three heaviest non-faithful extras -- the 3D TILT, the GBC FX post-process shader, and survey ZOOM (which renders connected neighbor maps) -- plus a hard FPS ceiling. It never touches game logic, which is fixed-step off dt, so every tier plays identically. - src/core/Performance.lua: tiers (auto/high/balanced/low), a conservative device auto-detect (ARM handhelds -> low, phones -> balanced, normal desktops -> high), per-tier caps, and the option-row cycle. Zero requires, like GameVersion. - Game:applyOptions clamps the *live* presentation state against the tier without rewriting stored options, so a lower tier hides the player's TILT/GBC FX/ZOOM/FPS choices and a higher tier restores them exactly. - Zoom.offsetRange floors the range at FIT when survey is disallowed, so the option row, hotkey, and mouse wheel all stop at close-up on LOW. - New save.options.performance default "auto"; OPTIONS row heads the display group and re-applies live. - Tests: tests/engine/performance_tiers.lua (ROM-free); mod_ui_tests row golden updated for the spliced row. AUTO resolves to HIGH on a normal desktop and on every options.lua that predates the option, so the common case is unchanged. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01Q6bFAiQyZ5jDmewsbB4LG9