Re3/src/audio/AudioCollision.cpp

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#include "common.h"
#include "patcher.h"
#include "DMAudio.h"
#include "Entity.h"
#include "AudioCollision.h"
#include "AudioManager.h"
#include "AudioSamples.h"
#include "SurfaceTable.h"
#include "sampman.h"
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_STONE:
case SURFACE_BOLLARD: result = GetCollisionRatio(b, 10.f, 60.f, 50.f); break;
case SURFACE_GRASS:
case SURFACE_LOOSE30: result = GetCollisionRatio(b, 0.f, 2.f, 2.f); break;
case SURFACE_DIRT: result = GetCollisionRatio(b, 0.f, 2.f, 2.f); break;
case SURFACE_DIRTTRACK: result = GetCollisionRatio(b, 0.f, 2.f, 2.f); break;
case SURFACE_METAL6: result = GetCollisionRatio(b, 6.f, 50.f, 44.f); break;
case SURFACE_GLASS: result = GetCollisionRatio(b, 0.1f, 10.f, 9.9f); break;
case SURFACE_SCAFFOLD:
case SURFACE_STEEL: result = GetCollisionRatio(b, 30.f, 130.f, 100.f); break;
case SURFACE_METAL_DOOR: result = GetCollisionRatio(b, 20.f, 100.f, 80.f); break;
case SURFACE_BILLBOARD: result = GetCollisionRatio(b, 0.f, 4.f, 4.f); break;
case SURFACE_METAL_POLE:
case SURFACE_GATE: result = GetCollisionRatio(b, 1.f, 10.f, 9.f); break;
case SURFACE_STREET_LIGHT: result = GetCollisionRatio(b, 1.f, 10.f, 9.f); break;
case SURFACE_METAL14: result = GetCollisionRatio(b, 1.f, 15.f, 14.f); break;
case SURFACE_METAL15: result = GetCollisionRatio(b, 8.f, 50.f, 42.f); break;
case SURFACE_METAL_FENCE: result = GetCollisionRatio(b, 0.1f, 10.f, 9.9f); break;
case SURFACE_FLESH: result = GetCollisionRatio(b, 0.f, 20.f, 20.f); break;
case SURFACE_SAND: result = GetCollisionRatio(b, 0.f, 10.f, 10.f); break;
case SURFACE_PUDDLE: result = GetCollisionRatio(b, 0.f, 10.f, 10.f); break;
case SURFACE_WOOD: result = GetCollisionRatio(b, 1.f, 4.f, 3.f); break;
case SURFACE_WOOD_BOX: result = GetCollisionRatio(b, 0.1f, 5.f, 4.9f); break;
case SURFACE_WOOD_PLANK: result = GetCollisionRatio(b, 0.1f, 40.f, 39.9f); break;
case SURFACE_TIRE:
case SURFACE_RUBBER29: result = GetCollisionRatio(b, 0.f, 10.f, 10.f); break;
case SURFACE_HARD24: 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_METAL27: result = GetCollisionRatio(b, 4.f, 40.f, 36.f); break;
case SURFACE_METAL28: 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(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_PUDDLE || surface2 == SURFACE_PUDDLE) {
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_DIRT || surface2 == SURFACE_DIRT || surface1 == SURFACE_DIRTTRACK ||
surface2 == SURFACE_DIRTTRACK || surface1 == SURFACE_SAND || surface2 == SURFACE_SAND) {
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_FLESH || surface2 == SURFACE_FLESH) { return 0; }
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(cAudioCollision *col, uint8 counter)
{
if(col->m_fIntensity2 > 0.0016f) {
uint8 emittingVol = SetLoopingCollisionRequestedSfxFreqAndGetVol(col);
if(emittingVol) {
m_sQueueSample.m_fDistance = Sqrt(col->m_fDistance);
m_sQueueSample.m_bVolume = ComputeVolume(emittingVol, 60.f, m_sQueueSample.m_fDistance);
if(m_sQueueSample.m_bVolume) {
m_sQueueSample.m_counter = counter;
m_sQueueSample.m_vecPos = col->m_vecPosition;
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m_sQueueSample.m_bBankIndex = SAMPLEBANK_MAIN;
m_sQueueSample.m_bIsDistant = false;
m_sQueueSample.field_16 = 7;
m_sQueueSample.m_nLoopCount = 0;
m_sQueueSample.m_bEmittingVolume = emittingVol;
m_sQueueSample.m_nLoopStart =
SampleManager.GetSampleLoopStartOffset(m_sQueueSample.m_nSampleIndex);
m_sQueueSample.m_nLoopEnd =
SampleManager.GetSampleLoopEndOffset(m_sQueueSample.m_nSampleIndex);
m_sQueueSample.field_48 = 4.0f;
m_sQueueSample.m_fSoundIntensity = 60.0f;
m_sQueueSample.field_56 = 0;
m_sQueueSample.field_76 = 5;
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m_sQueueSample.m_bReverbFlag = true;
m_sQueueSample.m_bRequireReflection = false;
AddSampleToRequestedQueue();
}
}
}
}
void
cAudioManager::SetUpOneShotCollisionSound(cAudioCollision *col)
{
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};
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_METAL6 && s2 == SURFACE_FLESH) ratio = 0.25f * ratio;
if(s1 == SURFACE_METAL6 && ratio < 0.6f) {
s1 = SURFACE_BILLBOARD;
ratio = min(1.f, 2.f * ratio);
}
emittingVol = 40.f * ratio;
if(emittingVol) {
m_sQueueSample.m_fDistance = Sqrt(col->m_fDistance);
m_sQueueSample.m_bVolume = ComputeVolume(emittingVol, 60.f, m_sQueueSample.m_fDistance);
if(m_sQueueSample.m_bVolume) {
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] % 5;
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_METAL15: m_sQueueSample.m_nFrequency = 8819; break;
case SURFACE_PUDDLE:
m_sQueueSample.m_nFrequency =
2 * SampleManager.GetSampleBaseFrequency(m_sQueueSample.m_nSampleIndex);
break;
case SURFACE_TIRE: m_sQueueSample.m_nFrequency = 6000; break;
case SURFACE_HARD24: 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_counter = counter++;
if(counter >= 255) counter = 28;
m_sQueueSample.m_vecPos = col->m_vecPosition;
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m_sQueueSample.m_bBankIndex = SAMPLEBANK_MAIN;
m_sQueueSample.m_bIsDistant = false;
m_sQueueSample.field_16 = 11;
m_sQueueSample.m_nLoopCount = 1;
m_sQueueSample.m_bEmittingVolume = emittingVol;
m_sQueueSample.m_nLoopStart = 0;
m_sQueueSample.m_nLoopEnd = -1;
m_sQueueSample.field_48 = 4.0f;
m_sQueueSample.m_fSoundIntensity = 60.0f;
m_sQueueSample.field_56 = 1;
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m_sQueueSample.m_bReverbFlag = true;
m_sQueueSample.m_bRequireReflection = false;
AddSampleToRequestedQueue();
}
}
}
}
void
cAudioManager::ServiceCollisions()
{
int i, j;
bool someArr1[NUMAUDIOCOLLISIONS];
bool someArr2[NUMAUDIOCOLLISIONS];
m_sQueueSample.m_nEntityIndex = m_nCollisionEntity;
for (int i = 0; i < NUMAUDIOCOLLISIONS; i++)
someArr1[i] = someArr2[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)
) {
someArr1[index] = true;
someArr2[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 (!someArr2[i]) {
m_sCollisionManager.m_asCollisions2[i].m_pEntity1 = nil;
m_sCollisionManager.m_asCollisions2[i].m_pEntity2 = nil;
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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 (!someArr1[index]) {
for (j = 0; j < NUMAUDIOCOLLISIONS; j++) {
if (someArr2[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 dist;
CVector v1;
CVector v2;
if(!m_bIsInitialised || m_nCollisionEntity < 0 || m_bUserPause ||
(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;
dist = GetDistanceSquared(&pos);
if(dist < SQR(60.f)) {
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 = dist;
m_sCollisionManager.AddCollisionToRequestedQueue();
}
}
STARTPATCHES
InjectHook(0x5685E0, &cAudioCollisionManager::AddCollisionToRequestedQueue, PATCH_JUMP);
InjectHook(0x569060, &cAudioManager::GetCollisionOneShotRatio, PATCH_JUMP);
InjectHook(0x5693B0, &cAudioManager::GetCollisionRatio, PATCH_JUMP);
InjectHook(0x568410, &cAudioManager::ReportCollision, PATCH_JUMP);
InjectHook(0x5686D0, &cAudioManager::ServiceCollisions, PATCH_JUMP);
InjectHook(0x568E20, &cAudioManager::SetLoopingCollisionRequestedSfxFreqAndGetVol, PATCH_JUMP);
InjectHook(0x568D30, &cAudioManager::SetUpLoopingCollisionSound, PATCH_JUMP);
InjectHook(0x5689D0, &cAudioManager::SetUpOneShotCollisionSound, PATCH_JUMP);
ENDPATCHES