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Cockpit: extend the gauge NULL-source guard to L4MFDSPLIT

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The single-window cockpit (L4MFDSPLIT=1) wakes the gauge renderer off the
pod just like the BT_DEV_GAUGES dev composite does; some attribute sources
bind NULL there and AV'd in GaugeConnectionDirectOf. Widen the static
dev-gauges gate to also trip on L4MFDSPLIT so those sources bind a static
zero (reads 0 instead of faulting). The pod path binds every source, so
this stays byte-unchanged there.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
Cyd
2026-07-16 23:18:17 -05:00
co-authored by Claude Opus 4.8
parent e74957758b
commit 2f5870e486
1 changed files with 7 additions and 1 deletions
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engine/MUNGA/GAUGE.h
+7 -1
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@@ -203,9 +203,15 @@ template <class T> GaugeConnectionDirectOf<T>::GaugeConnectionDirectOf(
//
if (data_source == NULL)
{
// Desktop gauge modes (BT_DEV_GAUGES dev composite OR L4MFDSPLIT
// single-window cockpit) wake the gauge renderer off the pod, where
// some attribute sources bind NULL; bind a static zero so the gauge
// reads 0 instead of AV'ing here (and in Update()). The pod path
// binds every source, so this never triggers there -- byte-unchanged.
static int s_devGauges = -1;
if (s_devGauges < 0)
s_devGauges = (getenv("BT_DEV_GAUGES") != NULL) ? 1 : 0;
s_devGauges = (getenv("BT_DEV_GAUGES") != NULL ||
getenv("L4MFDSPLIT") != NULL) ? 1 : 0;
if (s_devGauges)
{
static T s_gaugeNullSource = T();