ludic/changes
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feat(input): raw device layer — multi-key held state, analog, mouse, gamepad, touch, full-state replay (#50)
The raw device layer the input proposal sketched, over the action maps +
record/replay of #7. Beyond one key per frame, gameplay can read:

- Multiple simultaneous held keys: Input.key_down / key_pressed / key_released,
  with clean rising/falling edges (hold left AND jump).
- Analog from keys: Input.axis(neg, pos) and a normalized Input.vector(l,r,u,d)
  (diagonals scaled by 1/sqrt(2)), plus Input.strength(action).
- Mouse: Input.mouse_x/y, mouse_dx/dy (per-frame delta), mouse_down(btn), wheel.
- Gamepads: Input.pad_connected/pad_button/pad_axis (SDL-order buttons, -1..1
  sticks); touch: Input.touch_count/touch_x/touch_y.

The held set is fed by the platform when windowed — cocoa.ll now tracks
keyDown/keyUp into a 256-bit held-key bitset (win_held) and the mouse
buttons/wheel (win_mouse), gated so headless builds DCE the native calls — and
by the Input.press / Input.set_mouse / Input.set_pad / Input.set_touch injection
on every target (Godot-style action injection: replays, AI, network-fed input).
Input.record / replay now snapshot the full per-frame device state (held set +
mouse), extending #7's single-key tape.

Everything is integer and deterministic, so the same inputs reproduce the same
frame on every run and headless. The gamepad/touch native hardware bindings
(GameController.framework / NSTouch) feed the same injected state and are the one
remaining platform-glue follow-up; the software layer, semantics and replay are
complete and driven deterministically today.

Worked example + regression: examples/library/input_device.ludic
(1 1 0 1 0 1 71 -71 5 1 3 1 2 1 0 0 1, injection-driven headless). 23 new
docs/language/input pages. Full suite 78 passed, self-host C-free fixpoint
intact, no golden drift; cocoa.ll assembles and a windowed build links.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-08-31 17:14:24 +03:00
..
anim-ergonomics.md feat(anim): animation ergonomics — named clips, Anim.play/Motion.to, frame events, fluent Tween handles (#48) 2026-08-31 16:53:16 +03:00
coverage.md feat(testing): line coverage via --coverage + bin/x test --coverage (#45) 2026-08-31 14:51:14 +03:00
engine-systems.md feat(ecs): engine-owned systems auto-tick user components (#43) 2026-08-31 15:41:44 +03:00
error-handling.md feat(errors): panic(msg) + assert(cond, msg) with file:line — no raw crashes (#8) 2026-08-31 14:33:37 +03:00
input-actions.md feat(input): action maps + deterministic record/replay (#7) 2026-08-31 16:03:56 +03:00
input-device-layer.md feat(input): raw device layer — multi-key held state, analog, mouse, gamepad, touch, full-state replay (#50) 2026-08-31 17:14:24 +03:00
light-ecs-components.md feat(ecs): Light2D/Occluder/Ambient as auto-consumed components (#47) 2026-08-31 15:49:50 +03:00
light-namespace.md feat(rendering): add Light.* — deterministic 2D light accumulation with hard shadows (#4) 2026-08-31 14:07:19 +03:00
light-tiers.md feat(light): render-quality tiers 3-4 — cones, falloff, soft shadows, gels, normals, day/night (#49) 2026-08-31 16:35:41 +03:00
README.md feat(release): SemVer + ludicc --version, changesets, and x release 2026-08-30 23:46:59 +03:00
recover.md feat(errors): recoverable failures as values — try/else over ok/err results (#46) 2026-08-31 15:04:14 +03:00
testing-framework.md feat(testing): built-in test blocks + expect assertions, auto-run with pass/fail (#12) 2026-08-31 14:27:45 +03:00
value-tree.md feat(reflect): generic value tree + Reflect.serialize/apply + JSON bridge (#44) 2026-08-31 15:19:21 +03:00

Changesets

A changeset is one small Markdown file describing a single user-facing change, dropped in this directory. x release consumes every changeset here into a new CHANGELOG.md section, bumps VERSION, and deletes the consumed files.

Format

bump: minor
type: feat
One or more lines describing the change, in the past-agnostic imperative used in
the changelog. Markdown is fine.
  • bump: — major, minor, or patch (SemVer). The release version is bumped by the highest level among the pending changesets (unless x release <level> overrides it).
  • type: — the Conventional Commit type (feat, fix, perf, docs, …); it becomes the bold prefix of the changelog bullet.

Adding one

Create a file with a short, unique name, e.g. changes/regex-namespace.md. Any filename works except this README.md, which the release step always skips.