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#155 FIXED + LIVE-VERIFIED: the dead eng/weapon MFD banks under a lit PANIC lamp were the gauge renderer's change-detection XOR reading the mode MANAGER's previousModeMask -- a shared scratch overwritten by EVERY Add/RemoveModeMask call. The authentic panic-arm chatter (the no-hysteresis eject evaluator, kept for strict fidelity 2026-08-03) writes that scratch per frame, stomping the SetPresetMode page bits out of the XOR before ExecuteForeground samples it: page EXITS died (reactivation requires the change bit; first entries still worked via !alreadyActivatedFlag), always-active gauges (radar/score/coolant) stayed live -- Oracle's exact bank split. Fix: one line -- sample the renderer's OWN previousModeMask member (already ctor-init'd and maintained at the activate/deactivate guard; the manager read looks like lineage drift), making the change mask accumulate everything since the last RENDER frame, correct under any number of mode writers; single-transition frames identical. Diagnosis chain: authenticity cleared in three legs (121 streamed rows zero eject-gated, MechRIOMapper 0x200000 = PANIC+lamp only, engine dispatch = AND); headless injection exonerated the mapping layer under steady arm AND 2063-edge chatter; the OPERATOR's live mouse session produced the receipts that convicted presentation ([mode] preset fired for the stuck exits while the screen held); fix verified live same session -- 8 transitions incl. 4 exits across all 3 MFDs under 2833 flap edges, all rendered. The PANIC flicker itself stays: authentic (incandescent filament was the pod's low-pass; a glass persistence filter remains a design call). Rig hooks kept: BT_FORCE_EJECT_ARM=1/2.

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Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_016bw71WVsccjwW7uKRg4aWD
This commit is contained in:
Joe DiPrima
2026-08-14 14:55:30 -05:00
co-authored by Claude Fable 5
parent 97bdb5cc0c
commit caa50ef0f6
1 changed files with 12 additions and 1 deletions
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engine/MUNGA/GAUGREND.cpp
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@@ -3702,8 +3702,19 @@ void
// like the pod -- and the working SetPresetMode page switching NEEDS the
// authentic gating (the force made every eng screen paint over the shared
// Eng plane, pinning it on the highest screen and ignoring page flips).
// (BT411 #155, 2026-08-14) READ OUR OWN LAST-FRAME MASK, not the mode
// manager's previousModeMask: that cell is a shared scratch overwritten by
// EVERY Add/RemoveModeMask call, and the authentic panic-arm chatter (the
// no-hysteresis eject evaluator) writes it per frame -- stomping the page
// bits out of this XOR before we sample it. Result in the field: MFD page
// EXITS went dead while PANIC flickered (first entries still worked via
// !alreadyActivatedFlag), radar/score/coolant stayed live (always-active).
// The renderer already maintains its own previousModeMask member (updated
// below at the activate/deactivate guard); sampling it here makes the
// change mask accumulate everything since the LAST RENDER FRAME, correct
// under any number of mode writers. Single-transition frames: identical.
ModeMask
previous_mode_mask = application->GetModeManager()->GetPreviousModeMask();
previous_mode_mask = previousModeMask;
ModeMask
change_mode_mask = current_mode_mask ^ previous_mode_mask; // xor tells me what has changed
//-------------------------------------------------------------------