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-rw-r--r--src/audio/AudioManager.cpp159
1 files changed, 154 insertions, 5 deletions
diff --git a/src/audio/AudioManager.cpp b/src/audio/AudioManager.cpp
index 6df4c052..9e86aef0 100644
--- a/src/audio/AudioManager.cpp
+++ b/src/audio/AudioManager.cpp
@@ -91,10 +91,154 @@ enum eVehicleModel
cAudioManager &AudioManager = *(cAudioManager *)0x880FC0;
constexpr int totalAudioEntitiesSlots = 200;
+constexpr int maxVolume = 127;
char &g_nMissionAudioPlayingStatus = *(char *)0x60ED88;
void
+cAudioManager::AddSampleToRequestedQueue()
+{
+ int32 calculatedVolume;
+ tActiveSample *sample;
+ int32 unknown1;
+ uint8 unknown2;
+ bool bReflections;
+
+ if(m_sQueueSample.m_nSampleIndex < TOTAL_AUDIO_SAMPLES) {
+ calculatedVolume = m_sQueueSample.field_16 * (maxVolume - m_sQueueSample.m_bVolume);
+ unknown2 = m_bSampleRequestQueuesStatus[m_bActiveSampleQueue];
+ if(unknown2 >= m_bActiveSamples) {
+ unknown1 = 27 * m_bActiveSampleQueue;
+ unknown2 = *(&m_asSamples[53].field_91 + m_bActiveSamples + unknown1);
+ if(m_asSamples[unknown1 + unknown2].calculatedVolume <= calculatedVolume)
+ return;
+ } else {
+ ++m_bSampleRequestQueuesStatus[m_bActiveSampleQueue];
+ }
+ m_sQueueSample.calculatedVolume = calculatedVolume;
+ m_sQueueSample.m_bLoopEnded = 0;
+ if(m_sQueueSample.m_bIsDistant) {
+ m_sQueueSample.m_bRequireReflection = 0;
+ m_sQueueSample.m_bLoopsRemaining = 0;
+ }
+ if(m_bDynamicAcousticModelingStatus && m_sQueueSample.m_nLoopCount) {
+ bReflections = m_sQueueSample.m_bRequireReflection;
+ } else {
+ bReflections = false;
+ m_sQueueSample.m_bLoopsRemaining = 0;
+ }
+ m_sQueueSample.m_bRequireReflection = 0;
+
+ if(!m_bDynamicAcousticModelingStatus) m_sQueueSample.m_bReverbFlag = 0;
+
+ sample = &m_asSamples[27 * m_bActiveSampleQueue + unknown2];
+ sample->m_nEntityIndex = m_sQueueSample.m_nEntityIndex;
+ sample->field_4 = m_sQueueSample.field_4;
+ sample->m_nSampleIndex = m_sQueueSample.m_nSampleIndex;
+ sample->m_bBankIndex = m_sQueueSample.m_bBankIndex;
+ sample->m_bIsDistant = m_sQueueSample.m_bIsDistant;
+ sample->field_16 = m_sQueueSample.field_16;
+ sample->m_nFrequency = m_sQueueSample.m_nFrequency;
+ sample->m_bVolume = m_sQueueSample.m_bVolume;
+ sample->m_fDistance = m_sQueueSample.m_fDistance;
+ sample->m_nLoopCount = m_sQueueSample.m_nLoopCount;
+ sample->m_nLoopStart = m_sQueueSample.m_nLoopStart;
+ sample->m_nLoopEnd = m_sQueueSample.m_nLoopEnd;
+ sample->m_bEmittingVolume = m_sQueueSample.m_bEmittingVolume;
+ sample->field_48 = m_sQueueSample.field_48;
+ sample->m_fSoundIntensity = m_sQueueSample.m_fSoundIntensity;
+ sample->field_56 = m_sQueueSample.field_56;
+ sample->m_vecPos = m_sQueueSample.m_vecPos;
+ sample->m_bReverbFlag = m_sQueueSample.m_bReverbFlag;
+ sample->m_bLoopsRemaining = m_sQueueSample.m_bLoopsRemaining;
+ sample->m_bRequireReflection = m_sQueueSample.m_bRequireReflection;
+ sample->m_bOffset = m_sQueueSample.m_bOffset;
+ sample->field_76 = m_sQueueSample.field_76;
+ sample->m_bIsProcessed = m_sQueueSample.m_bIsProcessed;
+ sample->m_bLoopEnded = m_sQueueSample.m_bLoopEnded;
+ sample->calculatedVolume = m_sQueueSample.calculatedVolume;
+ sample->field_88 = m_sQueueSample.field_88;
+
+ AddDetailsToRequestedOrderList(unknown2);
+ if(bReflections) AddReflectionsToRequestedQueue();
+ }
+}
+
+void
+cAudioManager::AddDetailsToRequestedOrderList(uint8 sample)
+{
+ int32 offset;
+ uint32 i = 0;
+ if(sample != 0) {
+ for(; i < sample; i++) {
+ offset = 27 * m_bActiveSampleQueue;
+ if(m_asSamples[offset + m_abSampleQueueIndexTable[i + offset]]
+ .calculatedVolume > m_asSamples[offset + sample].calculatedVolume)
+ break;
+ }
+ if(i < sample) {
+ memmove(&m_abSampleQueueIndexTable[offset + 1 + i],
+ &m_abSampleQueueIndexTable[offset + i], m_bActiveSamples - i - 1);
+ }
+ }
+ m_abSampleQueueIndexTable[27 * m_bActiveSampleQueue + i] = sample;
+}
+
+void
+cAudioManager::AddReflectionsToRequestedQueue()
+{
+ float reflectionDistance;
+ int32 noise;
+ uint8 emittingVolume = emittingVolume =
+ (m_sQueueSample.m_bVolume >> 1) + (m_sQueueSample.m_bVolume >> 3);
+
+ for(uint32 i = 0; i < 5u; i++) {
+ reflectionDistance = m_afReflectionsDistances[i];
+ if(reflectionDistance > 0.0f && reflectionDistance < 100.f &&
+ reflectionDistance < m_sQueueSample.m_fSoundIntensity) {
+ m_sQueueSample.m_bLoopsRemaining = (reflectionDistance * 0.38873f); // @todo assert value
+ if(m_sQueueSample.m_bLoopsRemaining > 5u) {
+ m_sQueueSample.m_fDistance = m_afReflectionsDistances[i];
+ m_sQueueSample.m_bEmittingVolume = emittingVolume;
+ m_sQueueSample.m_bVolume =
+ ComputeVolume(emittingVolume, m_sQueueSample.m_fSoundIntensity,
+ m_sQueueSample.m_fDistance);
+ if(m_sQueueSample.m_bVolume > emittingVolume >> 4) {
+ m_sQueueSample.field_4 += ((i + 1) << 8);
+ if(m_sQueueSample.m_nLoopCount) {
+ noise = RandomDisplacement(
+ m_sQueueSample.m_nFrequency >> 5);
+ if(noise <= 0)
+ m_sQueueSample.m_nFrequency += noise;
+ else
+ m_sQueueSample.m_nFrequency -= noise;
+ }
+ m_sQueueSample.field_16 += 20;
+ m_sQueueSample.m_vecPos.x = m_avecReflectionsPos[i].x;
+ m_sQueueSample.m_vecPos.y = m_avecReflectionsPos[i].y;
+ m_sQueueSample.m_vecPos.z = m_avecReflectionsPos[i].z;
+ AddSampleToRequestedQueue();
+ }
+ }
+ }
+ }
+}
+
+uint32
+cAudioManager::ComputeVolume(int emittingVolume, float soundIntensity, float distance)
+{
+ float newSoundIntensity;
+ if(soundIntensity <= 0.0f) return 0;
+ if((soundIntensity * 0.2f) <= distance) {
+ newSoundIntensity = soundIntensity * 0.2f;
+ emittingVolume =
+ sq((soundIntensity - distance) / (soundIntensity - newSoundIntensity)) *
+ emittingVolume;
+ }
+ return emittingVolume;
+}
+
+void
cAudioManager::Initialise()
{
if(!m_bIsInitialised) {
@@ -409,7 +553,7 @@ cAudioManager::ResetPoliceRadio()
void
cAudioManager::InterrogateAudioEntities()
{
- for(uint32 i = 0; i < m_nAudioEntitiesTotal; i++) {
+ for(int32 i = 0; i < m_nAudioEntitiesTotal; i++) {
ProcessEntity(m_anAudioEntityIndices[i]);
m_asAudioEntities[m_anAudioEntityIndices[i]].field_24 = 0;
}
@@ -418,7 +562,7 @@ cAudioManager::InterrogateAudioEntities()
void
cAudioManager::ClearRequestedQueue()
{
- for(uint32 i = 0; i < m_bActiveSamples; i++) {
+ for(int32 i = 0; i < m_bActiveSamples; i++) {
m_abSampleQueueIndexTable[i + 27 * m_bActiveSampleQueue] = m_bActiveSamples;
}
m_bSampleRequestQueuesStatus[m_bActiveSampleQueue] = 0;
@@ -432,14 +576,14 @@ cAudioManager::ClearRequestedQueue()
bool
cAudioManager::UsesReverseWarning(int32 model)
{
- return model == LINERUN || fabs(model - FIRETRUK) <= 1 || model == BUS ||
+ return model == LINERUN || model == FIRETRUK || model == TRASH || model == BUS ||
model == COACH; // fix
}
bool
cAudioManager::HasAirBrakes(int32 model)
{
- return model == LINERUN || fabs(model - FIRETRUK) <= 1 || model == BUS ||
+ return model == LINERUN || model == FIRETRUK || model == TRASH || model == BUS ||
model == COACH; // fix
}
@@ -594,7 +738,7 @@ cAudioManager::DestroyEntity(int32 id)
if(m_bIsInitialised && id >= 0 && id < totalAudioEntitiesSlots &&
m_asAudioEntities[id].m_bIsUsed) {
m_asAudioEntities[id].m_bIsUsed = 0;
- for(uint32 i = 0; i < m_nAudioEntitiesTotal; ++i) {
+ for(int32 i = 0; i < m_nAudioEntitiesTotal; ++i) {
if(id == m_anAudioEntityIndices[i]) {
if(i < totalAudioEntitiesSlots - 1)
memmove(&m_anAudioEntityIndices[i],
@@ -2816,6 +2960,11 @@ cAudioManager::Service()
}
STARTPATCHES
+InjectHook(0x57B070, &cAudioManager::AddSampleToRequestedQueue, PATCH_JUMP);
+InjectHook(0x57B210, &cAudioManager::AddDetailsToRequestedOrderList, PATCH_JUMP);
+InjectHook(0x57B300, &cAudioManager::AddReflectionsToRequestedQueue, PATCH_JUMP);
+InjectHook(0x57ABB0, &cAudioManager::ComputeVolume, PATCH_JUMP);
+
InjectHook(0x57A0E0, &cAudioManager::Initialise, PATCH_JUMP);
InjectHook(0x569420, &cAudioManager::PostInitialiseGameSpecificSetup, PATCH_JUMP);
//InjectHook(0x57EAC0, &cAudioManager::InitialisePoliceRadioZones, PATCH_JUMP);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-02 16:43:45 +0100