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feat(ludic.lab): the visual lab as a package - a scene on a plate, never a world

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A scene is an entry in the open registry LabScenes, shown on a plate: a
flat lit disc, the package's own small sky with the sun at one hour, and
a frame clock. Headless each camera (lab_shot, lab_shot_at) settles and
is written as build/lab/<scene>/<shot>.png (a stored PNG, written here);
in a window N and P step through them. tools/lab/run.sh and sheet.py
make the contact sheet; tools/lab/plate_build.py makes plate/.
ludic.render3d gains r3d_plate_mode (no terrain, grass or water is made)
and r3d_sky_path. quit() in a program with no frame loop links. The
example takes ~120 MB resident, 417 MiB peak footprint. Reseed.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Orkun ÇAKILKAYA 2026-09-25 07:48:43 +03:00
parent cc930a114f
commit b401f7acc1
35 changed files with 4184 additions and 2986 deletions
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selfhost/backend/emit_decl.ludic
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@ -273,6 +273,7 @@ function emit_program() -> void {
g_fprintf_declared = false
g_uses_result = false
g_uses_option = false
g_uses_quit = false
g_uses_world_despawn = false # #84: set when a world_despawn call is emitted (below)
g_cov_lines = new []int
g_cov_active = true
@ -312,6 +313,8 @@ function emit_program() -> void {
i = 0
while i < len(prog) { if prog[i].kind == N_MAIN { emit_main(prog[i]) }; i += 1 }
} } }
# quit() in a program with no frame loop (a package's code in a test program): the flag it sets
if g_uses_quit and not has_ecs() { emith("@L_running = internal global i32 1\n") }
if g_uses_world_despawn { emit_world_despawn_fn() } # #84: @fn_world_despawn, after all World.despawn / esys_bounds-kill uses are seen
if g_uses_loopback { emit_loopback() } # built-in transport, after all net_send/net_poll uses are seen
if g_uses_str { emit_str_prelude() } # @lp_str_eq / @lp_str_concat, after all uses are seen