diff options
Diffstat (limited to 'src/audio/AudioCollision.cpp')
| -rw-r--r-- | src/audio/AudioCollision.cpp | 399 |
1 files changed, 399 insertions, 0 deletions
diff --git a/src/audio/AudioCollision.cpp b/src/audio/AudioCollision.cpp new file mode 100644 index 00000000..0f5196ea --- /dev/null +++ b/src/audio/AudioCollision.cpp @@ -0,0 +1,399 @@ +#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;
+ m_sQueueSample.m_bBankIndex = 0;
+ m_sQueueSample.m_bIsDistant = 0;
+ 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;
+ m_sQueueSample.m_bReverbFlag = 1;
+ m_sQueueSample.m_bRequireReflection = 0;
+ 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;
+ m_sQueueSample.m_bBankIndex = 0;
+ m_sQueueSample.m_bIsDistant = 0;
+ 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;
+ m_sQueueSample.m_bReverbFlag = 1;
+ m_sQueueSample.m_bRequireReflection = 0;
+ 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;
+ m_sCollisionManager.m_asCollisions2[i].m_bSurface1 = 0;
+ m_sCollisionManager.m_asCollisions2[i].m_bSurface2 = 0;
+ 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
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