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Audio: fix step-broadcast misfire -- feed ONLY volume/brightness mix stages (task #50)

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The blind foot-plant broadcast hit every entity-registered component; mixers
whose authored OUTPUT control is Start forwarded the send as a Start and fired
their sound on every stride (the per-step ProgramButton 'chirp').  Added
GetOutputControlID() to AudioControlMixer/Multiplier and the broadcast now
feeds only stages outputting Volume(3)/Brightness(5) -- the footstep loudness
inputs -- directly (mixers are entity-registered, no splitter hop needed).

Verified: FootFallInt01 delivers on BOTH gaits now (11/run, walk input included);
ProgramButton deliveries 188 -> 38 (the remainder are authored looped-sequence
cockpit ambience, not the broadcast); stable 28s drive+fire.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
This commit is contained in:
arcattack
2026-07-16 07:54:36 -05:00
co-authored by Claude Opus 4.8
parent 90f99fe4b5
commit e454e97617
2 changed files with 25 additions and 9 deletions
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engine/MUNGA/AUDCMP.h
+10
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@@ -232,6 +232,11 @@ class AudioControlMixer:
public AudioComponent
{
public:
// DIAG/game-facing: expose the authored output control so game-side control
// broadcasts (the foot-plant intensity send) can target only volume/brightness
// mix stages and never Start-outputting stages.
AudioControlID GetOutputControlID() const { return outputControlID; }
//
//--------------------------------------------------------------------
// Construction, Destruction, Testing
@@ -307,6 +312,11 @@ class AudioControlMultiplier:
public AudioComponent
{
public:
// DIAG/game-facing: expose the authored output control so game-side control
// broadcasts (the foot-plant intensity send) can target only volume/brightness
// mix stages and never Start-outputting stages.
AudioControlID GetOutputControlID() const { return outputControlID; }
//
//--------------------------------------------------------------------
// Construction, Destruction, Testing