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feat(input,ecs): #79 Input.axis_i directional int + #84 world bounds
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#79 — Input.axis_i(neg,pos) -> int returns a -1/0/1 movement intent from the
multi-key device set, so WASD-to-movement needs no bool->int glue and feeds an
int mover directly (dx = Input.axis_i('a','d')).

#84 — a Bounds config entity (rect + policy, from ludic.core) drives the
engine-owned world-bounds system (LateUpdate): clamp / wrap / bounce (clamp +
flip Body velocity) / kill (despawn a body fully outside). Reads the Collider
size so the box stays inside; off by default, spliced only when Bounds is
declared (byte-identical otherwise). Adds World.despawn(e) — the by-id
reflective despawn (runs @OnDespawn + frees) via a new world_despawn intrinsic
whose @fn_world_despawn helper is emitted in emit_program's tail once a use is
seen (the g_uses_* prelude pattern), used by the kill policy and callable from
any system.

Examples input_movement + world_bounds. Full suite 112/0, goldens
byte-identical, fixpoint holds.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
Orkun ÇAKILKAYA 2026-09-02 07:44:41 +03:00
parent 0497029dae
commit ad3be0c53c
17 changed files with 30435 additions and 29731 deletions
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11
selfhost/frontend/parse.ludic
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@ -192,7 +192,7 @@ function p_postfix() -> Node {
if e.a.kind == E_ID and e.a.s == "Input" and (e.s == "bind" or e.s == "rebind" or e.s == "poll" or e.s == "down" or e.s == "pressed" or e.s == "record" or e.s == "replay" or e.s == "action" or e.s == "bind_pad" or e.s == "active" or e.s == "just_pressed" or e.s == "just_released") { g_uses_input = true }
# #50 device layer — any of the multi-key / analog / mouse / gamepad / touch
# methods also splices input.ludic (Input.key stays bare, no runtime).
if e.a.kind == E_ID and e.a.s == "Input" and (e.s == "key_down" or e.s == "key_pressed" or e.s == "key_released" or e.s == "press" or e.s == "release" or e.s == "axis" or e.s == "vector" or e.s == "strength" or e.s == "mouse_x" or e.s == "mouse_y" or e.s == "mouse_dx" or e.s == "mouse_dy" or e.s == "mouse_down" or e.s == "wheel" or e.s == "set_mouse" or e.s == "pad_connected" or e.s == "pad_button" or e.s == "pad_axis" or e.s == "set_pad" or e.s == "touch_count" or e.s == "touch_x" or e.s == "touch_y" or e.s == "set_touch") { g_uses_input = true }
if e.a.kind == E_ID and e.a.s == "Input" and (e.s == "key_down" or e.s == "key_pressed" or e.s == "key_released" or e.s == "press" or e.s == "release" or e.s == "axis" or e.s == "axis_i" or e.s == "vector" or e.s == "strength" or e.s == "mouse_x" or e.s == "mouse_y" or e.s == "mouse_dx" or e.s == "mouse_dy" or e.s == "mouse_down" or e.s == "wheel" or e.s == "set_mouse" or e.s == "pad_connected" or e.s == "pad_button" or e.s == "pad_axis" or e.s == "set_pad" or e.s == "touch_count" or e.s == "touch_x" or e.s == "touch_y" or e.s == "set_touch") { g_uses_input = true }
# Anim.play/clip/on_frame/fired + Motion.to (#48): the ergonomic writes over
# the SpriteAnim/Motion components live in systems.ludic and use the world
# table, so splice it and force the reflection ABI even if the game leaves
@ -448,6 +448,7 @@ var g_uses_input: bool = false # a program used Input.bind/down/poll/… (act
var g_has_clear_color: bool = false # @ClearColor(N) declared -> the Render phase auto-clears + auto-presents (#86)
var g_clear_color: int = 0 # the declared clear colour (0x00RRGGBB)
var g_warned_draw_sprite: bool = false # emit the bare-draw_sprite deprecation note once (#85)
var g_uses_world_despawn: bool = false # World.despawn / esys_bounds kill -> emit @fn_world_despawn (#84)
# #85 — steer a direct bare draw_sprite / draw_sprite_scaled call to the namespaced
# Screen.sprite (or the engine sprite-render system). Warns once, non-fatally — the
@ -864,6 +865,12 @@ function maybe_splice_runtime() -> void {
do_import("runtime/native/core.ludic")
do_import("runtime/native/systems_sprite.ludic")
}
# Bounds -> the engine world-bounds system (#84). Self-contained (reflection
# ABI only); its kill policy calls world_despawn, so force the @fn_world_despawn
# helper to be emitted.
if find_comp("Bounds") != null {
do_import("runtime/native/systems_bounds.ludic")
}
# Light2D / Occluder -> the lighting render system, which links against the
# 2D light pass (light.ludic). do_import dedupes, so this is a no-op when the
# game also uses Light.* directly (g_uses_light already pulled it in).
@ -903,6 +910,7 @@ function parse_program() -> void {
g_has_clear_color = false
g_clear_color = 0
g_warned_draw_sprite = false
g_uses_world_despawn = false
g_uses_light = false
g_uses_value = false
g_uses_xml = false
@ -920,6 +928,7 @@ function parse_program() -> void {
push(g_esys_comp, "SpriteAnim"); push(g_esys_fn, "esys_spriteanim"); push(g_esys_phase, "Update")
push(g_esys_comp, "Motion"); push(g_esys_fn, "esys_motion"); push(g_esys_phase, "Update")
push(g_esys_comp, "Body"); push(g_esys_fn, "esys_move"); push(g_esys_phase, "Update")
push(g_esys_comp, "Bounds"); push(g_esys_fn, "esys_bounds"); push(g_esys_phase, "LateUpdate")
push(g_esys_comp, "Sprite"); push(g_esys_fn, "esys_sprite"); push(g_esys_phase, "Render")
push(g_esys_comp, "Light2D"); push(g_esys_fn, "esys_light2d"); push(g_esys_phase, "Render")
g_namespaces = new []pointer