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Audio: footstep pulse VERIFIED end-to-end to the matcher; volume chain traced (task #50)

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Footstep chain progress (each step empirically verified):
- The FootStep watcher is an AudioMatchOf<Logical> (AudioLogicalTrigger extends
  AudioMatchOf, NOT AudioTriggerOf): authored config match=1 -> Start(2.0) on a
  DirectPatchSource.  [trigcfg]/[matchcfg] ctor dumps added.
- The pulse was pinned at 1: the decay lived in IntegrateMotion, which the
  current gait path NEVER CALLS.  Moved to Mech::PerformAndWatch (provably
  per-frame) with a time-based 150ms window sized to the ~10Hz watcher poll.
  The matcher now fires per stride (14/run, was 1).
- Every footstep Start is DROPPED at the renderer: the source's volumeScale is
  0 (five VolumeAudioHandler sends of exactly 0 = inert/one-shot primes).  The
  volume arrives through the authored control chain (AudioControlMultiplier
  inputs ctl 100+; one 0 input pins the product).  Chain scales identified on
  this entity: LocalVelocity (live), LocalAcceleration (live), Myomers.
  SpeedEffect (=1.0 healthy; one authored scale maps [0,1]->[1,0] INVERTED),
  UnstablePercentage (INERT PAD -- always 0!), HeatSink.CurrentTemperature.
  PRIME SUSPECT: an UnstablePercentage-fed multiplier input primes 0 once and
  never updates (the pad never changes), pinning footstep volume at 0.
- SF2 numbering fact recorded: 38 presets in AUDIO1 / 5 in AUDIO2 have
  wPreset != file index (gap at preset 77); my table keys by wPreset.  The
  184x ProgramButton01 (bank1 patch83) storm at ~7/s needs an identity check
  against index-numbering (it may be the wrong sample for that patch id).

Diagnostics added (BT_AUDIO_SPATIAL/BT_ATTRBIND_LOG): [trigcfg]/[matchcfg]
ctor dumps, [matchfire] with component ptr+class, [volset] VolumeAudioHandler,
[mult0] multiplier zero-products, scale sends with authored boundaries,
[fswatch] dedicated footstep watcher tracer (g_btFootStepAddr), SetupPatch
ENTRY with bank/patch/state, Simulation::DebugAudioWatcherCount.

NEXT: back UnstablePercentage with a real (live) member -- it is the mech's
stability 0..1 (the stabilityAlarm/gyro family) -- or confirm via a one-run
chain dump which multiplier input pins the FS source; then the footstep
transient should clear the 0.3 drop gate at walking speed.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
This commit is contained in:
arcattack
2026-07-15 23:52:06 -05:00
co-authored by Claude Opus 4.8
parent ba3040ea09
commit 1d019e8109
10 changed files with 68 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files
engine/MUNGA/AUDCMP.cpp
+4
View File
@@ -1,3 +1,4 @@
#include <cstdlib>
#include "munga.h"
#pragma hdrstop
@@ -793,6 +794,9 @@ void
}
Check(audioComponentSocket.GetCurrent());
if (getenv("BT_AUDIO_SPATIAL") && mult_value <= 0.0f) { static int s_mx=0; if (s_mx++<300)
DEBUG_STREAM << "[mult0] mult=" << (void*)this << " -> tgt=" << (void*)audioComponentSocket.GetCurrent()
<< " in[" << index << "]=" << control_value << " product=" << mult_value << "\n" << std::flush; }
audioComponentSocket.GetCurrent()->ReceiveControl(
outputControlID,
mult_value
engine/MUNGA/AUDSRC.cpp
+2
View File
@@ -663,6 +663,8 @@ void
Check(this);
Clamp(control_value, MinAudioVolume, MaxAudioVolume);
volumeScale = control_value / (MaxAudioVolume - MinAudioVolume);
if (getenv("BT_AUDIO_SPATIAL")) { static int s_vh=0; if (s_vh++<300)
DEBUG_STREAM << "[volset] src=" << (void*)this << " vol=" << volumeScale << "\n" << std::flush; }
}
//
engine/MUNGA/AUDWTHR.h
+20 -4
View File
@@ -305,6 +305,14 @@ template <class T>
MemoryStream_Read(stream, &controlValueOff);
triggerOn = False;
if (getenv("BT_ATTRBIND_LOG")) { static int s_tc=0; if (s_tc++<80)
DEBUG_STREAM << "[trigcfg] attrPtr=" << (void*)attributePointer
<< " thresh=" << attributeValueThreshold
<< " inverse=" << (int)inverseTrigger
<< " onID=" << (int)controlIDOn << "/" << controlValueOn
<< " offID=" << (int)controlIDOff << "/" << controlValueOff
<< "\n" << std::flush; }
}
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -631,10 +639,8 @@ template <class T> void
Check(&audioComponentSocket);
Check(audioComponentSocket.GetCurrent());
if (getenv("BT_AUDIO_SPATIAL") && control_value <= 0.0f) {
static int s_sc=0; if (s_sc++<40)
DEBUG_STREAM << "[spatial] scale->0 attrPtr=" << (void*)attributePointer
<< " raw=" << current_value << " ctlID=" << (int)controlID
<< " ctl=" << control_value << "\n" << std::flush; }
static int s_sc=0; if (s_sc++<400)
DEBUG_STREAM << "[spatial] scale->0 attrPtr=" << (void*)attributePointer << " comp=" << (void*)audioComponentSocket.GetCurrent() << " raw=" << current_value << " ctlID=" << (int)controlID << " ctl=" << control_value << " aB=[" << attributeValueBoundary1 << "," << attributeValueBoundary2 << "]" << " cB=[" << controlValueBoundary1 << "," << controlValueBoundary2 << "]\n" << std::flush; }
audioComponentSocket.GetCurrent()->ReceiveControl(
controlID,
control_value
@@ -731,6 +737,12 @@ template <class T>
MemoryStream_Read(stream, &attributeMatchValue);
MemoryStream_Read(stream, &controlID);
MemoryStream_Read(stream, &controlValue);
if (getenv("BT_ATTRBIND_LOG")) { static int s_mc=0; if (s_mc++<80)
DEBUG_STREAM << "[matchcfg] attrPtr=" << (void*)attributePointer
<< " match=" << attributeMatchValue
<< " ctlID=" << (int)controlID << " ctlVal=" << controlValue
<< "\n" << std::flush; }
}
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -777,6 +789,10 @@ template <class T> void
if (current_value == attributeMatchValue)
{
if (getenv("BT_AUDIO_SPATIAL")) { static int s_mf=0; if (s_mf++<40)
DEBUG_STREAM << "[matchfire] attrPtr=" << (void*)attributePointer << " comp=" << (void*)audioComponentSocket.GetCurrent() << " compClass=" << (int)audioComponentSocket.GetCurrent()->GetClassID()
<< " val=" << current_value << " -> ctl " << (int)controlID
<< "/" << controlValue << "\n" << std::flush; }
Check(&audioComponentSocket);
Check(audioComponentSocket.GetCurrent());
#if 1
engine/MUNGA/WATCHER.h
+7
View File
@@ -266,6 +266,13 @@ template <class T> void
if (getenv("BT_AUDIO_SPATIAL")) { // poll-rate probe: total watcher polls + change events
static long s_polls=0; if ((++s_polls % 2000)==0)
DEBUG_STREAM << "[watchpoll] total polls=" << s_polls << "\n" << std::flush;
extern void *g_btFootStepAddr; // DIAG: uncapped tracer on THE footstep watcher
if ((void*)attributePointer == g_btFootStepAddr) {
static long s_fsp=0;
if ((++s_fsp % 120)==0 || !(currentValue == *(T*)attributePointer))
DEBUG_STREAM << "[fswatch] poll#" << s_fsp << " cur=" << (int)*(int*)&currentValue
<< " mem=" << *(int*)attributePointer << "\n" << std::flush;
}
}
if (!(currentValue == *(T*)attributePointer))
{
engine/MUNGA_L4/L4AUDLVL.cpp
+5
View File
@@ -138,6 +138,11 @@ void
ALenum sourceState;
alGetSourcei(sourceSet.sources[i], AL_SOURCE_STATE, &sourceState);
if (getenv("BT_AUDIO_SPATIAL")) { static int s_se=0; if (s_se++<200)
DEBUG_STREAM << "[audio] SetupPatch ENTRY bank=" << (int)bankID << " patch=" << (int)patchID << " src=" << sourceSet.sources[i]
<< " file=" << (info.file?info.file:"?")
<< " state=" << sourceState << " (INITIAL=" << AL_INITIAL << ")" << "\n" << std::flush; }
if (sourceState == AL_INITIAL)
{
alSourcei(sourceSet.sources[i],AL_BUFFER,AL_getBuffer(info.bufferIndex));
game/reconstructed/btstubs.cpp
+4
View File
@@ -398,3 +398,7 @@ void VideoComponent::ReceiveControl(VideoControlID /*control_ID*/, Scalar /*cont
void VideoComponent::Execute()
{
}
// DIAG (audio footstep chain): the live &mech->footStep, exported so the
// engine watcher poll can trace THE footstep watcher without per-run pointers.
void *g_btFootStepAddr = 0;
game/reconstructed/mech.cpp
+1
View File
@@ -925,6 +925,7 @@ Mech::Mech(
collisionTemporaryState = 0;
footStep = 0; // FootStep pulse (audio trigger)
footStepDecay = 0;
{ extern void *g_btFootStepAddr; g_btFootStepAddr = &footStep; } // DIAG: watcher-poll tracer target
radarRange = 1000.0f; // radar display scale (SetTargetRange is stubbed;
// 1km default zoom so contacts within ~500m show on
// the radar, vs the config maximum_range=4000 edge)
game/reconstructed/mech.hpp
+6 -2
View File
@@ -847,8 +847,12 @@ protected:
// stride clip (each walk/run/reverse alternation == one foot plant) and the
// per-frame motion tick decays it back to 0 a few frames later, giving one
// clean rising edge per step. [T2]
int footStep; // the Logical the trigger polls (1 = contact)
int footStepDecay; // frames until the pulse clears
int footStep; // the Logical the matcher polls (1 = contact)
int footStepDecay; // MILLISECONDS until the pulse clears (time-based:
// the watcher polls ~10Hz and strides re-pulse ~2Hz,
// so the pulse must be one poll-period wide but end
// well before the next stride -- match=1 fires on the
// CHANGE to 1, so footStep must return to 0 in between)
// Radar/map gauge attributes (binary @0x404/0x408/0x40c/0x3f8). The map
// widget reads position/angle as POINTERS into the mech's live origin, so
// radarLinearPosition/radarAngularPosition point at localOrigin.{linear,
game/reconstructed/mech2.cpp
+2 -2
View File
@@ -261,9 +261,9 @@ void
if (state >= 1 && state <= 0x17)
{
footStep = 1;
footStepDecay = 20; // ~1/3s: outlives the watcher poll cadence (still < stride period)
footStepDecay = 150; // ms: ~1.5 poll periods ON, OFF well before the next stride
if (getenv("BT_AUDIO_LOG")) { static int s_fs=0; if (s_fs++<40)
DEBUG_STREAM << "[audio] footstep pulse (clip " << state << ") addr=" << (void*)&footStep << "\n" << std::flush; }
DEBUG_STREAM << "[audio] footstep pulse (clip " << state << ") leftover=" << footStepDecay << "\n" << std::flush; }
}
}
game/reconstructed/mech4.cpp
+17 -4
View File
@@ -292,10 +292,8 @@ Logical
// Choose this frame's forward-cycle slew rate.
forwardCycleRate = airborneSelect ? airborneCycleRate : groundCycleRate; // 0x344<-0x5bc/0x5b8
// FootStep pulse decay (see SetBodyAnimation): clear the contact flag a few
// frames after the plant so the AudioLogicalTrigger re-arms for the next step.
if (footStepDecay > 0 && --footStepDecay == 0)
footStep = 0;
// (FootStep pulse decay moved to PerformAndWatch -- this integrator does not
// run on the current gait path, so a decay here never fired.)
if (IsDisabled()) // FUN_0049fb54
{
@@ -5205,6 +5203,21 @@ void
// (AudioLogicalTrigger FootStep, AudioMotionScale/Trigger LocalVelocity, ...)
// never executed -- only the PUSHED StateIndicator watchers fired. That's
// why footsteps/motion-scaled sounds were silent while state sounds worked. [T0]
// FootStep pulse decay (see SetBodyAnimation): clear the contact flag ~150ms
// after the plant so the FootStep matcher (fires on the CHANGE to 1) sees a 0
// before the next stride re-pulses. Lives HERE (not IntegrateMotion, which the
// current gait path never calls) so it provably ticks every mech frame, right
// before the watcher poll below reads it. Time-based -- tick-rate immune.
if (footStepDecay > 0)
{
footStepDecay -= (int)(dt * 1000.0f);
if (footStepDecay <= 0)
{
footStepDecay = 0;
footStep = 0;
}
}
if (getenv("BT_AUDIO_LOG")) { static int s_wd=0; if ((s_wd++ % 300)==0)
DEBUG_STREAM << "[audio] mech watcher poll: delayed=" << (int)AreWatchersDelayed() << " audioWatchers=" << DebugAudioWatcherCount()
<< " simFlags=0x" << std::hex << (unsigned)simulationFlags << std::dec