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authorclaude-bot <[email protected]>2026-07-13 12:27:07 +0000
committerclaude-bot <[email protected]>2026-07-13 12:27:07 +0000
commit9f61c9e6ac6b1ac5692cf6352d2ebbd47a31a686 (patch)
treea84756b82513739a2672db3a1f0ec579db6d18ff /src/audio/AudioCollision.cpp
downloadre3-miami.tar.gz
re3-miami.zip
Import Cai1Hsu/re3 @ miami (reVC / GTA:VC decompilation)HEADmiami
Snapshot import (no upstream history) into git.ancap.in.ua/claude, per @lzcnt. Source: https://github.com/Cai1Hsu/re3 branch miami.
Diffstat (limited to 'src/audio/AudioCollision.cpp')
-rw-r--r--src/audio/AudioCollision.cpp429
1 files changed, 429 insertions, 0 deletions
diff --git a/src/audio/AudioCollision.cpp b/src/audio/AudioCollision.cpp
new file mode 100644
index 0000000..250cd18
--- /dev/null
+++ b/src/audio/AudioCollision.cpp
@@ -0,0 +1,429 @@
+#include "common.h"
+
+#include "DMAudio.h"
+#include "Entity.h"
+#include "AudioCollision.h"
+#include "AudioManager.h"
+#include "AudioSamples.h"
+#include "SurfaceTable.h"
+#include "sampman.h"
+
+const int CollisionSoundIntensity = 60;
+
+cAudioCollisionManager::cAudioCollisionManager()
+{
+ m_sQueue.m_pEntity1 = nil;
+ m_sQueue.m_pEntity2 = nil;
+ m_sQueue.m_bSurface1 = SURFACE_DEFAULT;
+ m_sQueue.m_bSurface2 = SURFACE_DEFAULT;
+ m_sQueue.m_fIntensity2 = 0.0f;
+ m_sQueue.m_fIntensity1 = 0.0f;
+ m_sQueue.m_vecPosition = CVector(0.0f, 0.0f, 0.0f);
+
+ for (int i = 0; i < NUMAUDIOCOLLISIONS; i++)
+ m_bIndicesTable[i] = NUMAUDIOCOLLISIONS;
+
+ m_bCollisionsInQueue = 0;
+}
+
+void
+cAudioCollisionManager::AddCollisionToRequestedQueue()
+{
+ int32 collisionsIndex;
+ int32 i;
+
+
+ if (m_bCollisionsInQueue < NUMAUDIOCOLLISIONS)
+ collisionsIndex = m_bCollisionsInQueue++;
+ else {
+ collisionsIndex = m_bIndicesTable[NUMAUDIOCOLLISIONS - 1];
+ if (m_sQueue.m_fDistance >= m_asCollisions1[collisionsIndex].m_fDistance) return;
+ }
+
+ m_asCollisions1[collisionsIndex] = m_sQueue;
+
+ i = 0;
+ if(collisionsIndex) {
+ while(m_asCollisions1[m_bIndicesTable[i]].m_fDistance <= m_asCollisions1[collisionsIndex].m_fDistance) {
+ if(++i >= collisionsIndex) {
+ m_bIndicesTable[i] = collisionsIndex;
+ return;
+ }
+ }
+ memmove(&m_bIndicesTable[i + 1], &m_bIndicesTable[i], NUMAUDIOCOLLISIONS - 1 - i);
+ }
+ m_bIndicesTable[i] = collisionsIndex;
+}
+
+float
+cAudioManager::GetCollisionLoopingRatio(uint32 a, uint32 b, float c) const
+{
+ return GetCollisionRatio(c, 0.0f, 0.02f, 0.02f);
+}
+
+float
+cAudioManager::GetCollisionOneShotRatio(int32 a, float b) const
+{
+ float result;
+
+ switch(a) {
+ case SURFACE_DEFAULT:
+ case SURFACE_TARMAC:
+ case SURFACE_PAVEMENT:
+ case SURFACE_STEEP_CLIFF:
+ case SURFACE_TRANSPARENT_STONE:
+ case SURFACE_CONCRETE_BEACH: result = GetCollisionRatio(b, 10.f, 60.f, 50.f); break;
+ case SURFACE_GRASS:
+ case SURFACE_GRAVEL:
+ case SURFACE_MUD_DRY:
+ case SURFACE_CARDBOARDBOX: result = GetCollisionRatio(b, 0.f, 2.f, 2.f); break;
+ case SURFACE_CAR: result = GetCollisionRatio(b, 6.f, 50.f, 44.f); break;
+ case SURFACE_GLASS:
+ case SURFACE_METAL_CHAIN_FENCE: result = GetCollisionRatio(b, 0.1f, 10.f, 9.9f); break;
+ case SURFACE_TRANSPARENT_CLOTH:
+ case SURFACE_THICK_METAL_PLATE: result = GetCollisionRatio(b, 30.f, 130.f, 100.f); break;
+ case SURFACE_GARAGE_DOOR: result = GetCollisionRatio(b, 20.f, 100.f, 80.f); break;
+ case SURFACE_CAR_PANEL: result = GetCollisionRatio(b, 0.f, 4.f, 4.f); break;
+ case SURFACE_SCAFFOLD_POLE:
+ case SURFACE_METAL_GATE:
+ case SURFACE_LAMP_POST: result = GetCollisionRatio(b, 1.f, 10.f, 9.f); break;
+ case SURFACE_FIRE_HYDRANT: result = GetCollisionRatio(b, 1.f, 15.f, 14.f); break;
+ case SURFACE_GIRDER: result = GetCollisionRatio(b, 8.f, 50.f, 42.f); break;
+ case SURFACE_PED: result = GetCollisionRatio(b, 0.f, 20.f, 20.f); break;
+ case SURFACE_SAND:
+ case SURFACE_WATER:
+ case SURFACE_RUBBER:
+ case SURFACE_WHEELBASE:
+ case SURFACE_SAND_BEACH: result = GetCollisionRatio(b, 0.f, 10.f, 10.f); break;
+ case SURFACE_WOOD_CRATES: result = GetCollisionRatio(b, 1.f, 4.f, 3.f); break;
+ case SURFACE_WOOD_BENCH: result = GetCollisionRatio(b, 0.1f, 5.f, 4.9f); break;
+ case SURFACE_WOOD_SOLID: result = GetCollisionRatio(b, 0.1f, 40.f, 39.9f); break;
+ case SURFACE_PLASTIC: result = GetCollisionRatio(b, 0.1f, 4.f, 3.9f); break;
+ case SURFACE_HEDGE: result = GetCollisionRatio(b, 0.f, 0.5f, 0.5f); break;
+ case SURFACE_CONTAINER: result = GetCollisionRatio(b, 4.f, 40.f, 36.f); break;
+ case SURFACE_NEWS_VENDOR: result = GetCollisionRatio(b, 0.f, 5.f, 5.f); break;
+ default: result = 0.f; break;
+ }
+
+ return result;
+}
+
+float
+cAudioManager::GetCollisionRatio(float a, float b, float c, float d) const
+{
+ float e;
+ e = a;
+ if(a <= b) return 0.0f;
+ if(c <= a) e = c;
+ return (e - b) / d;
+}
+
+uint32
+cAudioManager::SetLoopingCollisionRequestedSfxFreqAndGetVol(const cAudioCollision &audioCollision)
+{
+ uint8 surface1 = audioCollision.m_bSurface1;
+ uint8 surface2 = audioCollision.m_bSurface2;
+ int32 vol;
+ float ratio;
+
+ if(surface1 == SURFACE_GRASS || surface2 == SURFACE_GRASS || surface1 == SURFACE_HEDGE ||
+ surface2 == SURFACE_HEDGE) {
+ ratio = GetCollisionRatio(audioCollision.m_fIntensity2, 0.0001f, 0.09f, 0.0899f);
+ m_sQueueSample.m_nSampleIndex = SFX_RAIN;
+ m_sQueueSample.m_nFrequency = 13000.f * ratio + 35000;
+ vol = 50.f * ratio;
+ } else if(surface1 == SURFACE_WATER || surface2 == SURFACE_WATER) {
+ ratio = GetCollisionRatio(audioCollision.m_fIntensity2, 0.0001f, 0.09f, 0.0899f);
+ m_sQueueSample.m_nSampleIndex = SFX_BOAT_WATER_LOOP;
+ m_sQueueSample.m_nFrequency = 6050.f * ratio + 16000;
+ vol = 30.f * ratio;
+ } else if(surface1 == SURFACE_GRAVEL || surface2 == SURFACE_GRAVEL || surface1 == SURFACE_MUD_DRY || surface2 == SURFACE_MUD_DRY ||
+ surface1 == SURFACE_SAND || surface2 == SURFACE_SAND || surface1 == SURFACE_SAND_BEACH || surface2 == SURFACE_SAND_BEACH) {
+ ratio = GetCollisionRatio(audioCollision.m_fIntensity2, 0.0001f, 0.09f, 0.0899f);
+ m_sQueueSample.m_nSampleIndex = SFX_GRAVEL_SKID;
+ m_sQueueSample.m_nFrequency = 6000.f * ratio + 10000;
+ vol = 50.f * ratio;
+ } else if(surface1 == SURFACE_PED || surface2 == SURFACE_PED) {
+ return 0;
+ } else {
+ ratio = GetCollisionRatio(audioCollision.m_fIntensity2, 0.0001f, 0.09f, 0.0899f);
+ m_sQueueSample.m_nSampleIndex = SFX_SCRAPE_CAR_1;
+ m_sQueueSample.m_nFrequency = 10000.f * ratio + 10000;
+ vol = 40.f * ratio;
+ }
+ if(audioCollision.m_nBaseVolume < 2) vol = audioCollision.m_nBaseVolume * vol / 2;
+ return vol;
+}
+
+void
+cAudioManager::SetUpLoopingCollisionSound(const cAudioCollision &col, uint8 counter)
+{
+ bool distCalculated = false;
+ if(col.m_fIntensity2 > 0.0016f) {
+ uint8 emittingVol = SetLoopingCollisionRequestedSfxFreqAndGetVol(col);
+ if(emittingVol) {
+ CalculateDistance(distCalculated, m_sQueueSample.m_fDistance);
+ m_sQueueSample.m_nVolume = ComputeVolume(emittingVol, CollisionSoundIntensity, m_sQueueSample.m_fDistance);
+ if(m_sQueueSample.m_nVolume) {
+ m_sQueueSample.m_nCounter = counter;
+ m_sQueueSample.m_vecPos = col.m_vecPosition;
+ m_sQueueSample.m_nBankIndex = SFX_BANK_0;
+ m_sQueueSample.m_bIs2D = false;
+ m_sQueueSample.m_nReleasingVolumeModificator = 7;
+ m_sQueueSample.m_nLoopCount = 0;
+ m_sQueueSample.m_nEmittingVolume = emittingVol;
+ m_sQueueSample.m_nLoopStart =
+ SampleManager.GetSampleLoopStartOffset(m_sQueueSample.m_nSampleIndex);
+ m_sQueueSample.m_nLoopEnd =
+ SampleManager.GetSampleLoopEndOffset(m_sQueueSample.m_nSampleIndex);
+ m_sQueueSample.m_fSpeedMultiplier = 4.0f;
+ m_sQueueSample.m_fSoundIntensity = CollisionSoundIntensity;
+ m_sQueueSample.m_bReleasingSoundFlag = false;
+ m_sQueueSample.m_nReleasingVolumeDivider = 5;
+ m_sQueueSample.m_bReverbFlag = true;
+ m_sQueueSample.m_bRequireReflection = false;
+ AddSampleToRequestedQueue();
+ }
+ }
+ }
+}
+static const int32 gOneShotCol[] = {SFX_COL_TARMAC_1,
+ SFX_COL_TARMAC_1,
+ SFX_COL_GRASS_1,
+ SFX_COL_GRAVEL_1,
+ SFX_COL_MUD_1,
+ SFX_COL_TARMAC_1,
+ SFX_COL_CAR_1,
+ SFX_COL_GRASS_1,
+ SFX_COL_SCAFFOLD_POLE_1,
+ SFX_COL_GARAGE_DOOR_1,
+ SFX_COL_CAR_PANEL_1,
+ SFX_COL_THICK_METAL_PLATE_1,
+ SFX_COL_SCAFFOLD_POLE_1,
+ SFX_COL_LAMP_POST_1,
+ SFX_COL_HYDRANT_1,
+ SFX_COL_HYDRANT_1,
+ SFX_COL_METAL_CHAIN_FENCE_1,
+ SFX_COL_PED_1,
+ SFX_COL_SAND_1,
+ SFX_SPLASH_1,
+ SFX_COL_WOOD_CRATES_1,
+ SFX_COL_WOOD_BENCH_1,
+ SFX_COL_WOOD_SOLID_1,
+ SFX_COL_GRASS_1,
+ SFX_COL_GRASS_1,
+ SFX_COL_VEG_1,
+ SFX_COL_TARMAC_1,
+ SFX_COL_CONTAINER_1,
+ SFX_COL_NEWS_VENDOR_1,
+ SFX_TYRE_BUMP,
+ SFX_COL_CARDBOARD_1,
+ SFX_COL_TARMAC_1,
+ SFX_COL_GATE,
+ SFX_COL_SAND_1,
+ SFX_COL_TARMAC_1 };
+
+void
+cAudioManager::SetUpOneShotCollisionSound(const cAudioCollision &col)
+{
+
+ int16 s1;
+ int16 s2;
+
+ int32 emittingVol;
+ float ratio;
+
+ static uint16 counter = 28;
+
+ for(int32 i = 0; i < 2; i++) {
+ if(i) {
+ s1 = col.m_bSurface2;
+ s2 = col.m_bSurface1;
+ } else {
+ s1 = col.m_bSurface1;
+ s2 = col.m_bSurface2;
+ }
+ ratio = GetCollisionOneShotRatio(s1, col.m_fIntensity1);
+ if(s1 == SURFACE_CAR && s2 == SURFACE_PED) ratio /= 4.0f;
+ if(s1 == SURFACE_CAR && ratio < 0.6f) {
+ s1 = SURFACE_CAR_PANEL;
+ ratio = Min(1.f, 2.f * ratio);
+ }
+ emittingVol = 40.f * ratio;
+ if(emittingVol) {
+ m_sQueueSample.m_fDistance = Sqrt(col.m_fDistance);
+ m_sQueueSample.m_nVolume =
+ ComputeVolume(emittingVol, CollisionSoundIntensity, m_sQueueSample.m_fDistance);
+ if(m_sQueueSample.m_nVolume) {
+ m_sQueueSample.m_nSampleIndex = gOneShotCol[s1];
+ switch(m_sQueueSample.m_nSampleIndex) {
+ case SFX_COL_TARMAC_1:
+ m_sQueueSample.m_nSampleIndex += m_anRandomTable[3] % 5;
+ break;
+ case SFX_COL_CAR_PANEL_1:
+ m_sQueueSample.m_nSampleIndex += m_anRandomTable[0] % 6;
+ break;
+ case SFX_COL_LAMP_POST_1:
+ m_sQueueSample.m_nSampleIndex += m_anRandomTable[1] % 2;
+ break;
+ case SFX_COL_METAL_CHAIN_FENCE_1:
+ m_sQueueSample.m_nSampleIndex += m_anRandomTable[3] % 4;
+ break;
+ case SFX_COL_PED_1:
+ m_sQueueSample.m_nSampleIndex += m_anRandomTable[4] % 2;
+ break;
+ case SFX_COL_WOOD_CRATES_1:
+ m_sQueueSample.m_nSampleIndex += m_anRandomTable[4] % 4;
+ break;
+ case SFX_COL_WOOD_BENCH_1:
+ m_sQueueSample.m_nSampleIndex += m_anRandomTable[1] % 4;
+ break;
+ case SFX_COL_VEG_1:
+ m_sQueueSample.m_nSampleIndex += m_anRandomTable[2] % 5;
+ break;
+ case SFX_COL_NEWS_VENDOR_1:
+ m_sQueueSample.m_nSampleIndex += m_anRandomTable[2] % 3;
+ break;
+ case SFX_COL_CAR_1:
+ m_sQueueSample.m_nSampleIndex += m_anRandomTable[1] % 5;
+ break;
+ case SFX_COL_CARDBOARD_1:
+ m_sQueueSample.m_nSampleIndex += m_anRandomTable[3] % 2;
+ break;
+ default: break;
+ }
+ switch(s1) {
+ case SURFACE_GLASS: m_sQueueSample.m_nFrequency = 13500; break;
+ case SURFACE_GIRDER: m_sQueueSample.m_nFrequency = 8819; break;
+ case SURFACE_WATER:
+ m_sQueueSample.m_nFrequency =
+ 2 * SampleManager.GetSampleBaseFrequency(m_sQueueSample.m_nSampleIndex);
+ break;
+ case SURFACE_RUBBER: m_sQueueSample.m_nFrequency = 6000; break;
+ case SURFACE_PLASTIC: m_sQueueSample.m_nFrequency = 8000; break;
+ default:
+ m_sQueueSample.m_nFrequency =
+ SampleManager.GetSampleBaseFrequency(m_sQueueSample.m_nSampleIndex);
+ break;
+ }
+ m_sQueueSample.m_nFrequency += RandomDisplacement(m_sQueueSample.m_nFrequency / 16);
+ m_sQueueSample.m_nCounter = counter++;
+ if(counter >= 255) counter = 28;
+ m_sQueueSample.m_vecPos = col.m_vecPosition;
+ m_sQueueSample.m_nBankIndex = SFX_BANK_0;
+ m_sQueueSample.m_bIs2D = false;
+ m_sQueueSample.m_nReleasingVolumeModificator = 11;
+ m_sQueueSample.m_nLoopCount = 1;
+ m_sQueueSample.m_nEmittingVolume = emittingVol;
+ m_sQueueSample.m_nLoopStart = 0;
+ m_sQueueSample.m_nLoopEnd = -1;
+ m_sQueueSample.m_fSpeedMultiplier = 4.0f;
+ m_sQueueSample.m_fSoundIntensity = CollisionSoundIntensity;
+ m_sQueueSample.m_bReleasingSoundFlag = true;
+ m_sQueueSample.m_bReverbFlag = true;
+ m_sQueueSample.m_bRequireReflection = false;
+ AddSampleToRequestedQueue();
+ }
+ }
+ }
+}
+
+void
+cAudioManager::ServiceCollisions()
+{
+ int i, j;
+ bool abRepeatedCollision1[NUMAUDIOCOLLISIONS];
+ bool abRepeatedCollision2[NUMAUDIOCOLLISIONS];
+
+ m_sQueueSample.m_nEntityIndex = m_nCollisionEntity;
+
+ for (int i = 0; i < NUMAUDIOCOLLISIONS; i++)
+ abRepeatedCollision1[i] = abRepeatedCollision2[i] = false;
+
+ for (i = 0; i < m_sCollisionManager.m_bCollisionsInQueue; i++) {
+ for (j = 0; j < NUMAUDIOCOLLISIONS; j++) {
+ int index = m_sCollisionManager.m_bIndicesTable[i];
+ if ((m_sCollisionManager.m_asCollisions1[index].m_pEntity1 == m_sCollisionManager.m_asCollisions2[j].m_pEntity1)
+ && (m_sCollisionManager.m_asCollisions1[index].m_pEntity2 == m_sCollisionManager.m_asCollisions2[j].m_pEntity2)
+ && (m_sCollisionManager.m_asCollisions1[index].m_bSurface1 == m_sCollisionManager.m_asCollisions2[j].m_bSurface1)
+ && (m_sCollisionManager.m_asCollisions1[index].m_bSurface2 == m_sCollisionManager.m_asCollisions2[j].m_bSurface2)
+ ) {
+ abRepeatedCollision1[index] = true;
+ abRepeatedCollision2[j] = true;
+ m_sCollisionManager.m_asCollisions1[index].m_nBaseVolume = ++m_sCollisionManager.m_asCollisions2[j].m_nBaseVolume;
+ SetUpLoopingCollisionSound(m_sCollisionManager.m_asCollisions1[index], j);
+ break;
+ }
+ }
+ }
+
+ for (i = 0; i < NUMAUDIOCOLLISIONS; i++) {
+ if (!abRepeatedCollision2[i]) {
+ m_sCollisionManager.m_asCollisions2[i].m_pEntity1 = nil;
+ m_sCollisionManager.m_asCollisions2[i].m_pEntity2 = nil;
+ m_sCollisionManager.m_asCollisions2[i].m_bSurface1 = SURFACE_DEFAULT;
+ m_sCollisionManager.m_asCollisions2[i].m_bSurface2 = SURFACE_DEFAULT;
+ m_sCollisionManager.m_asCollisions2[i].m_fIntensity2 = 0.0f;
+ m_sCollisionManager.m_asCollisions2[i].m_fIntensity1 = 0.0f;
+ m_sCollisionManager.m_asCollisions2[i].m_vecPosition = CVector(0.0f, 0.0f, 0.0f);
+ m_sCollisionManager.m_asCollisions2[i].m_fDistance = 0.0f;
+ }
+ }
+
+ for (i = 0; i < m_sCollisionManager.m_bCollisionsInQueue; i++) {
+ int index = m_sCollisionManager.m_bIndicesTable[i];
+ if (!abRepeatedCollision1[index]) {
+ for (j = 0; j < NUMAUDIOCOLLISIONS; j++) {
+ if (!abRepeatedCollision2[j]) {
+ m_sCollisionManager.m_asCollisions2[j].m_nBaseVolume = 1;
+ m_sCollisionManager.m_asCollisions2[j].m_pEntity1 = m_sCollisionManager.m_asCollisions1[index].m_pEntity1;
+ m_sCollisionManager.m_asCollisions2[j].m_pEntity2 = m_sCollisionManager.m_asCollisions1[index].m_pEntity2;
+ m_sCollisionManager.m_asCollisions2[j].m_bSurface1 = m_sCollisionManager.m_asCollisions1[index].m_bSurface1;
+ m_sCollisionManager.m_asCollisions2[j].m_bSurface2 = m_sCollisionManager.m_asCollisions1[index].m_bSurface2;
+ break;
+ }
+ }
+ SetUpOneShotCollisionSound(m_sCollisionManager.m_asCollisions1[index]);
+ SetUpLoopingCollisionSound(m_sCollisionManager.m_asCollisions1[index], j);
+ }
+ }
+
+ for (int i = 0; i < NUMAUDIOCOLLISIONS; i++)
+ m_sCollisionManager.m_bIndicesTable[i] = NUMAUDIOCOLLISIONS;
+ m_sCollisionManager.m_bCollisionsInQueue = 0;
+}
+
+void
+cAudioManager::ReportCollision(CEntity *entity1, CEntity *entity2, uint8 surface1, uint8 surface2, float collisionPower,
+ float velocity)
+{
+ float distSquared;
+ CVector v1;
+ CVector v2;
+
+ if(!m_bIsInitialised || m_nCollisionEntity < 0 || m_nUserPause ||
+ (velocity < 0.0016f && collisionPower < 0.01f))
+ return;
+
+ if(entity1->IsBuilding()) {
+ v1 = v2 = entity2->GetPosition();
+ } else if(entity2->IsBuilding()) {
+ v1 = v2 = entity1->GetPosition();
+ } else {
+ v1 = entity1->GetPosition();
+ v2 = entity2->GetPosition();
+ }
+ CVector pos = (v1 + v2) * 0.5f;
+ distSquared = GetDistanceSquared(pos);
+ if(distSquared < SQR(CollisionSoundIntensity)) {
+ m_sCollisionManager.m_sQueue.m_pEntity1 = entity1;
+ m_sCollisionManager.m_sQueue.m_pEntity2 = entity2;
+ m_sCollisionManager.m_sQueue.m_bSurface1 = surface1;
+ m_sCollisionManager.m_sQueue.m_bSurface2 = surface2;
+ m_sCollisionManager.m_sQueue.m_fIntensity1 = collisionPower;
+ m_sCollisionManager.m_sQueue.m_fIntensity2 = velocity;
+ m_sCollisionManager.m_sQueue.m_vecPosition = pos;
+ m_sCollisionManager.m_sQueue.m_fDistance = distSquared;
+ m_sCollisionManager.AddCollisionToRequestedQueue();
+ }
+}