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KB: FX per-zone chain LIVENESS-VERIFIED (BT_CRIT_PROBE solo)

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Closed the loop: BT_CRIT_PROBE=8 on solo DEV.EGG drove the full per-zone FX chain
end-to-end -- [zonefx] entity 1:321 seg 12 psfx 12/13 -- proving TakeDamage ->
mechdmg effect loop -> BTStartZoneEffect -> StartEntityEffectImplementation (segment
world-pos resolve) -> BTStartPfxAttached fires live. The 2-node fight harness didn't
engage (mechPicks=0, an MP-harness spawn/connect issue, not FX); BT_CRIT_PROBE is the
reliable solo liveness path.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
arcattack
2026-07-14 06:12:12 -05:00
co-authored by Claude Fable 5
parent a198e5fb4a
commit 844edbd2aa
1 changed files with 7 additions and 3 deletions
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context/open-questions.md
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@@ -30,9 +30,13 @@ New unaccounted functionality no prior list knew (addresses verified absent from
zone's segment (smoke/fire follows the mech); the Destroyed descriptor fires on kill zone's segment (smoke/fire follows the mech); the Destroyed descriptor fires on kill
(mechdmg.cpp:1120). Band smoke/fire (psfx ≥1000) render through the live PFX layer (mechdmg.cpp:1120). Band smoke/fire (psfx ≥1000) render through the live PFX layer
(BTStartPfxAttached); the 3-15 specialfx band + scaling booms/flames render through the (BTStartPfxAttached); the 3-15 specialfx band + scaling booms/flames render through the
reconstructed L4VIDEO specialfx engine + `ScalingExplosionRenderable` (see next bullet). ⚠ Only reconstructed L4VIDEO specialfx engine + `ScalingExplosionRenderable` (see next bullet).
remaining nit: **not yet liveness-verified headlessly** (solo DEV.EGG has no target; needs a **LIVENESS-VERIFIED (2026-07-14):** `BT_CRIT_PROBE=8` on solo DEV.EGG (hammers a local zone) drove
2-node fight — the pieces are all runtime-verified individually). the full chain — `[zonefx] entity 1:321 seg 12 psfx 12/13 at(527,5.8,-669)`: TakeDamage → the
mechdmg damage-effect loop → BTStartZoneEffect → StartEntityEffectImplementation resolves the
struck segment's world pos → BTStartPfxAttached. (The 2-node harness `scratchpad/fx_liveness.sh`
did NOT engage — nodes spawned but never targeted/drove into combat, `mechPicks=0`; an MP-harness
spawn/connect issue, orthogonal to FX. `BT_CRIT_PROBE` is the reliable solo FX-liveness path.)
- **✅ The impact/destruction FX visual chain — RECONSTRUCTED (Fire VISUALS wave 48c9c84 + - **✅ The impact/destruction FX visual chain — RECONSTRUCTED (Fire VISUALS wave 48c9c84 +
Impact-FX FORENSICS wave 065c114, 2026-07-12/13) [T2].** The i860-firmware-decoded specialfx Impact-FX FORENSICS wave 065c114, 2026-07-12/13) [T2].** The i860-firmware-decoded specialfx
engine (L4VIDEO.cpp: `specialfxN` descriptor pages, per-round detonations, authored firesmoke engine (L4VIDEO.cpp: `specialfxN` descriptor pages, per-round detonations, authored firesmoke