void Ship::DoThrusterSounds() const
{
// XXX any ship being the current camera body should emit sounds
// also, ship sounds could be split to internal and external sounds
// XXX sound logic could be part of a bigger class (ship internal sounds)
/* Ship engine noise. less loud inside */
float v_env = (Pi::game->GetWorldView()->GetCameraController()->IsExternal() ? 1.0f : 0.5f) * Sound::GetSfxVolume();
static Sound::Event sndev;
float volBoth = 0.0f;
volBoth += 0.5f*fabs(GetThrusterState().y);
volBoth += 0.5f*fabs(GetThrusterState().z);
float targetVol[2] = { volBoth, volBoth };
if (GetThrusterState().x > 0.0)
targetVol[0] += 0.5f*float(GetThrusterState().x);
else targetVol[1] += -0.5f*float(GetThrusterState().x);
targetVol[0] = v_env * Clamp(targetVol[0], 0.0f, 1.0f);
targetVol[1] = v_env * Clamp(targetVol[1], 0.0f, 1.0f);
float dv_dt[2] = { 4.0f, 4.0f };
if (!sndev.VolumeAnimate(targetVol, dv_dt)) {
sndev.Play("Thruster_large", 0.0f, 0.0f, Sound::OP_REPEAT);
sndev.VolumeAnimate(targetVol, dv_dt);
}
float angthrust = 0.1f * v_env * float(GetAngThrusterState().Length());
static Sound::Event angThrustSnd;
if (!angThrustSnd.VolumeAnimate(angthrust, angthrust, 5.0f, 5.0f)) {
angThrustSnd.Play("Thruster_Small", 0.0f, 0.0f, Sound::OP_REPEAT);
angThrustSnd.VolumeAnimate(angthrust, angthrust, 5.0f, 5.0f);
}
}
void Player::StaticUpdate(const float timeStep)
{
Body *b;
vector3d v;
matrix4x4d m;
if (GetFlightState() == Ship::FLYING) {
switch (m_flightControlState) {
case CONTROL_FIXSPEED:
if (Pi::GetView() == Pi::worldView) PollControls(timeStep);
b = (GetCombatTarget() ? GetCombatTarget() : GetNavTarget());
GetRotMatrix(m);
v = m * vector3d(0, 0, -m_setSpeed);
if (b) v += b->GetVelocityRelativeTo(this->GetFrame());
AIMatchVel(v);
break;
case CONTROL_MANUAL:
if (Pi::GetView() == Pi::worldView) PollControls(timeStep);
break;
case CONTROL_AUTOPILOT:
break;
}
}
Ship::StaticUpdate(timeStep); // also calls autopilot AI
if (m_flightControlState == CONTROL_AUTOPILOT && !AIIsActive()) {
Pi::RequestTimeAccel(1);
SetFlightControlState(CONTROL_MANUAL); //FIXSPEED);
// m_setSpeed = 0;
}
/* This wank probably shouldn't be in Player... */
/* Ship engine noise. less loud inside */
float v_env = (Pi::worldView->GetCamType() == WorldView::CAM_EXTERNAL ? 1.0f : 0.5f);
static Sound::Event sndev;
float volBoth = 0.0f;
volBoth += 0.5f*fabs(GetThrusterState().y);
volBoth += 0.5f*fabs(GetThrusterState().z);
float targetVol[2] = { volBoth, volBoth };
if (GetThrusterState().x > 0.0)
targetVol[0] += 0.5f*(float)GetThrusterState().x;
else targetVol[1] += -0.5f*(float)GetThrusterState().x;
targetVol[0] = v_env * Clamp(targetVol[0], 0.0f, 1.0f);
targetVol[1] = v_env * Clamp(targetVol[1], 0.0f, 1.0f);
float dv_dt[2] = { 4.0f, 4.0f };
if (!sndev.VolumeAnimate(targetVol, dv_dt)) {
sndev.Play("Thruster_large", 0.0f, 0.0f, Sound::OP_REPEAT);
sndev.VolumeAnimate(targetVol, dv_dt);
}
float angthrust = 0.1f * v_env * (float)Pi::player->GetAngThrusterState().Length();
static Sound::Event angThrustSnd;
if (!angThrustSnd.VolumeAnimate(angthrust, angthrust, 5.0f, 5.0f)) {
angThrustSnd.Play("Thruster_Small", 0.0f, 0.0f, Sound::OP_REPEAT);
angThrustSnd.VolumeAnimate(angthrust, angthrust, 5.0f, 5.0f);
}
}
void AmbientSounds::Update()
{
float v_env = (Pi::worldView->GetActiveCamera()->IsExternal() ? 1.0f : 0.5f) * Sound::GetSfxVolume();
if (Pi::player->GetFlightState() == Ship::DOCKED) {
if (starNoise.IsPlaying()) {
float target[2] = {0.0f,0.0f};
float dv_dt[2] = {1.0f,1.0f};
starNoise.VolumeAnimate(target, dv_dt);
starNoise.SetOp(Sound::OP_REPEAT | Sound::OP_STOP_AT_TARGET_VOLUME);
}
if (atmosphereNoise.IsPlaying()) {
float target[2] = {0.0f,0.0f};
float dv_dt[2] = {1.0f,1.0f};
atmosphereNoise.VolumeAnimate(target, dv_dt);
atmosphereNoise.SetOp(Sound::OP_REPEAT | Sound::OP_STOP_AT_TARGET_VOLUME);
}
if (planetSurfaceNoise.IsPlaying()) {
float target[2] = {0.0f,0.0f};
float dv_dt[2] = {1.0f,1.0f};
planetSurfaceNoise.VolumeAnimate(target, dv_dt);
planetSurfaceNoise.SetOp(Sound::OP_REPEAT | Sound::OP_STOP_AT_TARGET_VOLUME);
}
if (!stationNoise.IsPlaying()) {
const char *sounds[] = {
"Large_Station_ambient",
"Medium_Station_ambient",
"Small_Station_ambient"
};
// just use a random station noise until we have a
// concept of 'station size'
stationNoise.Play(sounds[Pi::player->GetDockedWith()->GetSystemBody()->seed % 3],
0.3f*v_env, 0.3f*v_env, Sound::OP_REPEAT);
}
} else if (Pi::player->GetFlightState() == Ship::LANDED) {
/* Planet surface noise on rough-landing */
if (starNoise.IsPlaying()) {
float target[2] = {0.0f,0.0f};
float dv_dt[2] = {1.0f,1.0f};
starNoise.VolumeAnimate(target, dv_dt);
starNoise.SetOp(Sound::OP_REPEAT | Sound::OP_STOP_AT_TARGET_VOLUME);
}
if (atmosphereNoise.IsPlaying()) {
float target[2] = {0.0f,0.0f};
float dv_dt[2] = {1.0f,1.0f};
atmosphereNoise.VolumeAnimate(target, dv_dt);
atmosphereNoise.SetOp(Sound::OP_REPEAT | Sound::OP_STOP_AT_TARGET_VOLUME);
}
if (stationNoise.IsPlaying()) {
float target[2] = {0.0f,0.0f};
float dv_dt[2] = {1.0f,1.0f};
stationNoise.VolumeAnimate(target, dv_dt);
stationNoise.SetOp(Sound::OP_REPEAT | Sound::OP_STOP_AT_TARGET_VOLUME);
}
// lets try something random for the time being
if (!planetSurfaceNoise.IsPlaying()) {
SystemBody *sbody = Pi::player->GetFrame()->GetSystemBodyFor();
assert(sbody);
const char *sample = NULL;
if (sbody->m_life > fixed(1,5)) {
const char *s[] = {
"Wind", "Thunder_1", "Thunder_2", "Thunder_3",
"Thunder_4", "Storm", "Rain_Light", "River",
"RainForestIntroducedNight", "RainForestIntroduced",
"NormalForestIntroduced"
};
sample = s[sbody->seed % 11];
}
else if (sbody->m_volatileGas > fixed(1,2)) {
const char *s[] = {
"Wind", "Thunder_1", "Thunder_2", "Thunder_3",
"Thunder_4", "Storm"
};
sample = s[sbody->seed % 6];
}
else if (sbody->m_volatileGas > fixed(1,10)) {
sample = "Wind";
}
if (sample) {
planetSurfaceNoise.Play(sample, 0.3f*v_env, 0.3f*v_env, Sound::OP_REPEAT);
}
}
} else if (planetSurfaceNoise.IsPlaying()) {
// planetSurfaceNoise.IsPlaying() - if we are out of the atmosphere then stop playing
if (Pi::player->GetFrame()->m_astroBody) {
Body *astro = Pi::player->GetFrame()->m_astroBody;
if (astro->IsType(Object::PLANET)) {
double dist = Pi::player->GetPosition().Length();
double pressure, density;
static_cast<Planet*>(astro)->GetAtmosphericState(dist, &pressure, &density);
if (pressure < 0.001) {
// Stop playing surface noise once out of the atmosphere
planetSurfaceNoise.Stop();
}
}
}
} else {
if (stationNoise.IsPlaying()) {
float target[2] = {0.0f,0.0f};
float dv_dt[2] = {1.0f,1.0f};
stationNoise.VolumeAnimate(target, dv_dt);
stationNoise.SetOp(Sound::OP_REPEAT | Sound::OP_STOP_AT_TARGET_VOLUME);
}
{
if (Pi::game->IsNormalSpace()) {
StarSystem *s = Pi::game->GetSpace()->GetStarSystem().Get();
if (astroNoiseSeed != s->GetSeed()) {
// change sound!
astroNoiseSeed = s->GetSeed();
float target[2] = {0.0f,0.0f};
float dv_dt[2] = {0.1f,0.1f};
starNoise.VolumeAnimate(target, dv_dt);
starNoise.SetOp(Sound::OP_REPEAT | Sound::OP_STOP_AT_TARGET_VOLUME);
// XXX the way Sound::Event works isn't totally obvious.
// to destroy the object doesn't stop the sound. it is
// really just a sound event reference
starNoise = Sound::Event();
}
}
}
// when all the sounds are in we can use the body we are in frame of reference to
if (!starNoise.IsPlaying()) {
Frame *f = Pi::player->GetFrame();
if (!f) return; // When player has no frame (game abort) then get outta here!!
const SystemBody *sbody = f->GetSystemBodyFor();
const char *sample = 0;
for (; sbody && !sample; sbody = f->GetSystemBodyFor()) {
switch (sbody->type) {
case SystemBody::TYPE_BROWN_DWARF: sample = "Brown_Dwarf_Substellar_Object"; break;
case SystemBody::TYPE_STAR_M: sample = "M_Red_Star"; break;
case SystemBody::TYPE_STAR_K: sample = "K_Star"; break;
case SystemBody::TYPE_WHITE_DWARF: sample = "White_Dwarf_Star"; break;
case SystemBody::TYPE_STAR_G: sample = "G_Star"; break;
case SystemBody::TYPE_STAR_F: sample = "F_Star"; break;
case SystemBody::TYPE_STAR_A: sample = "A_Star"; break;
case SystemBody::TYPE_STAR_B: sample = "B_Hot_Blue_STAR"; break;
case SystemBody::TYPE_STAR_O: sample = "Blue_Super_Giant"; break;
case SystemBody::TYPE_PLANET_GAS_GIANT: {
if (sbody->mass > fixed(400,1)) {
sample = "Very_Large_Gas_Giant";
} else if (sbody->mass > fixed(80,1)) {
sample = "Large_Gas_Giant";
} else if (sbody->mass > fixed(20,1)) {
sample = "Medium_Gas_Giant";
} else {
sample = "Small_Gas_Giant";
}
}
break;
default: sample = 0; break;
}
if (sample) {
starNoise.Play(sample, 0.0f, 0.0f, Sound::OP_REPEAT);
starNoise.VolumeAnimate(.3f*v_env, .3f*v_env, .05f, .05f);
} else {
// go up orbital hierarchy tree to see if we can find a sound
f = f->m_parent;
if (f == 0) break;
}
}
}
Body *astro;
if ((astro = Pi::player->GetFrame()->m_astroBody) && (astro->IsType(Object::PLANET))) {
double dist = Pi::player->GetPosition().Length();
double pressure, density;
static_cast<Planet*>(astro)->GetAtmosphericState(dist, &pressure, &density);
// maximum volume at around 2km/sec at earth density, pressure
float volume = float(density * Pi::player->GetVelocity().Length() * 0.0005);
volume = Clamp(volume, 0.0f, 1.0f) * v_env;
if (atmosphereNoise.IsPlaying()) {
float target[2] = {volume, volume};
float dv_dt[2] = {1.0f,1.0f};
atmosphereNoise.VolumeAnimate(target, dv_dt);
} else {
atmosphereNoise.Play("Atmosphere_Flying", volume, volume, Sound::OP_REPEAT);
}
} else {
float target[2] = {0.0f,0.0f};
float dv_dt[2] = {1.0f,1.0f};
atmosphereNoise.VolumeAnimate(target, dv_dt);
atmosphereNoise.SetOp(Sound::OP_REPEAT | Sound::OP_STOP_AT_TARGET_VOLUME);
}
}
}
void AmbientSounds::Update()
{
const float v_env = (Pi::worldView->GetCameraController()->IsExternal() ? 1.0f : 0.5f) * Sound::GetSfxVolume();
if (Pi::player->GetFlightState() == Ship::DOCKED) {
if (s_starNoise.IsPlaying()) {
const float target[2] = {0.0f,0.0f};
const float dv_dt[2] = {1.0f,1.0f};
s_starNoise.VolumeAnimate(target, dv_dt);
s_starNoise.SetOp(Sound::OP_REPEAT | Sound::OP_STOP_AT_TARGET_VOLUME);
}
for(int i=0; i<eMaxNumAtmosphereSounds; i++) {
if (s_atmosphereNoises[i].IsPlaying()) {
const float target[2] = {0.0f,0.0f};
const float dv_dt[2] = {1.0f,1.0f};
s_atmosphereNoises[i].VolumeAnimate(target, dv_dt);
s_atmosphereNoises[i].SetOp(Sound::OP_REPEAT | Sound::OP_STOP_AT_TARGET_VOLUME);
}
}
if (s_planetSurfaceNoise.IsPlaying()) {
const float target[2] = {0.0f,0.0f};
const float dv_dt[2] = {1.0f,1.0f};
s_planetSurfaceNoise.VolumeAnimate(target, dv_dt);
s_planetSurfaceNoise.SetOp(Sound::OP_REPEAT | Sound::OP_STOP_AT_TARGET_VOLUME);
}
if (!s_stationNoise.IsPlaying()) {
// just use a random station noise until we have a
// concept of 'station size'
s_stationNoise.Play(s_stationNoiseSounds[Pi::player->GetDockedWith()->GetSystemBody()->GetSeed() % NUM_STATION_SOUNDS],
0.3f*v_env, 0.3f*v_env, Sound::OP_REPEAT);
}
} else if (Pi::player->GetFlightState() == Ship::LANDED) {
/* Planet surface noise on rough-landing */
if (s_starNoise.IsPlaying()) {
const float target[2] = {0.0f,0.0f};
const float dv_dt[2] = {1.0f,1.0f};
s_starNoise.VolumeAnimate(target, dv_dt);
s_starNoise.SetOp(Sound::OP_REPEAT | Sound::OP_STOP_AT_TARGET_VOLUME);
}
for(int i=0; i<eMaxNumAtmosphereSounds; i++) {
if (s_atmosphereNoises[i].IsPlaying()) {
const float target[2] = {0.0f,0.0f};
const float dv_dt[2] = {1.0f,1.0f};
s_atmosphereNoises[i].VolumeAnimate(target, dv_dt);
s_atmosphereNoises[i].SetOp(Sound::OP_REPEAT | Sound::OP_STOP_AT_TARGET_VOLUME);
}
}
if (s_stationNoise.IsPlaying()) {
const float target[2] = {0.0f,0.0f};
const float dv_dt[2] = {1.0f,1.0f};
s_stationNoise.VolumeAnimate(target, dv_dt);
s_stationNoise.SetOp(Sound::OP_REPEAT | Sound::OP_STOP_AT_TARGET_VOLUME);
}
// lets try something random for the time being
if (!s_planetSurfaceNoise.IsPlaying()) {
const SystemBody *sbody = Pi::player->GetFrame()->GetSystemBody();
assert(sbody);
const char *sample = 0;
if (sbody->GetLifeAsFixed() > fixed(1,5)) {
sample = s_surfaceLifeSounds[sbody->GetSeed() % NUM_SURFACE_LIFE_SOUNDS];
}
else if (sbody->GetVolatileGasAsFixed() > fixed(1,2)) {
sample = s_surfaceSounds[sbody->GetSeed() % NUM_SURFACE_DEAD_SOUNDS];
}
else if (sbody->GetVolatileGasAsFixed() > fixed(1,10)) {
sample = "Wind";
}
if (sample) {
s_planetSurfaceNoise.Play(sample, 0.3f*v_env, 0.3f*v_env, Sound::OP_REPEAT);
}
}
} else if (s_planetSurfaceNoise.IsPlaying()) {
// s_planetSurfaceNoise.IsPlaying() - if we are out of the atmosphere then stop playing
if (Pi::player->GetFrame()->IsRotFrame()) {
const Body *astro = Pi::player->GetFrame()->GetBody();
if (astro->IsType(Object::PLANET)) {
const double dist = Pi::player->GetPosition().Length();
double pressure, density;
static_cast<const Planet*>(astro)->GetAtmosphericState(dist, &pressure, &density);
if (pressure < 0.001) {
// Stop playing surface noise once out of the atmosphere
s_planetSurfaceNoise.Stop();
}
}
}
} else {
if (s_stationNoise.IsPlaying()) {
const float target[2] = {0.0f,0.0f};
const float dv_dt[2] = {1.0f,1.0f};
s_stationNoise.VolumeAnimate(target, dv_dt);
s_stationNoise.SetOp(Sound::OP_REPEAT | Sound::OP_STOP_AT_TARGET_VOLUME);
}
if (Pi::game->IsNormalSpace()) {
StarSystem *s = Pi::game->GetSpace()->GetStarSystem().Get();
if (astroNoiseSeed != s->GetSeed()) {
// change sound!
astroNoiseSeed = s->GetSeed();
const float target[2] = {0.0f,0.0f};
const float dv_dt[2] = {0.1f,0.1f};
s_starNoise.VolumeAnimate(target, dv_dt);
s_starNoise.SetOp(Sound::OP_REPEAT | Sound::OP_STOP_AT_TARGET_VOLUME);
// XXX the way Sound::Event works isn't totally obvious.
// to destroy the object doesn't stop the sound. it is
// really just a sound event reference
s_starNoise = Sound::Event();
}
}
// when all the sounds are in we can use the body we are in frame of reference to
if (!s_starNoise.IsPlaying()) {
Frame *f = Pi::player->GetFrame();
if (!f) return; // When player has no frame (game abort) then get outta here!!
const SystemBody *sbody = f->GetSystemBody();
const char *sample = 0;
for (; sbody && !sample; sbody = f->GetSystemBody()) {
switch (sbody->GetType()) {
case SystemBody::TYPE_BROWN_DWARF: sample = "Brown_Dwarf_Substellar_Object"; break;
case SystemBody::TYPE_STAR_M: sample = "M_Red_Star"; break;
case SystemBody::TYPE_STAR_K: sample = "K_Star"; break;
case SystemBody::TYPE_WHITE_DWARF: sample = "White_Dwarf_Star"; break;
case SystemBody::TYPE_STAR_G: sample = "G_Star"; break;
case SystemBody::TYPE_STAR_F: sample = "F_Star"; break;
case SystemBody::TYPE_STAR_A: sample = "A_Star"; break;
case SystemBody::TYPE_STAR_B: sample = "B_Hot_Blue_STAR"; break;
case SystemBody::TYPE_STAR_O: sample = "Blue_Super_Giant"; break;
case SystemBody::TYPE_PLANET_GAS_GIANT: {
if (sbody->GetMassAsFixed() > fixed(400,1)) {
sample = "Very_Large_Gas_Giant";
} else if (sbody->GetMassAsFixed() > fixed(80,1)) {
sample = "Large_Gas_Giant";
} else if (sbody->GetMassAsFixed() > fixed(20,1)) {
sample = "Medium_Gas_Giant";
} else {
sample = "Small_Gas_Giant";
}
}
break;
default: sample = 0; break;
}
if (sample) {
s_starNoise.Play(sample, 0.0f, 0.0f, Sound::OP_REPEAT);
s_starNoise.VolumeAnimate(.3f*v_env, .3f*v_env, .05f, .05f);
} else {
// go up orbital hierarchy tree to see if we can find a sound
f = f->GetParent();
if (f == 0) break;
}
}
}
const Body *astro = Pi::player->GetFrame()->GetBody();
if (astro && Pi::player->GetFrame()->IsRotFrame() && (astro->IsType(Object::PLANET))) {
double dist = Pi::player->GetPosition().Length();
double pressure, density;
static_cast<const Planet*>(astro)->GetAtmosphericState(dist, &pressure, &density);
// maximum volume at around 2km/sec at earth density, pressure
const float pressureVolume = float(density * Pi::player->GetVelocity().Length() * 0.0005);
//volume = Clamp(volume, 0.0f, 1.0f) * v_env;
float volumes[eMaxNumAtmosphereSounds];
for(int i=0; i<eMaxNumAtmosphereSounds; i++) {
const float beg = s_rangeTable[i][0];
const float inv = s_rangeTable[i][1];
volumes[i] = Clamp((pressureVolume - beg) * inv, 0.0f, 1.0f) * v_env;
}
for(int i=0; i<eMaxNumAtmosphereSounds; i++) {
const float volume = volumes[i];
if (s_atmosphereNoises[i].IsPlaying()) {
const float target[2] = {volume, volume};
const float dv_dt[2] = {1.0f,1.0f};
s_atmosphereNoises[i].VolumeAnimate(target, dv_dt);
} else {
s_atmosphereNoises[i].Play(s_airflowTable[i], volume, volume, Sound::OP_REPEAT);
}
}
} else {
const float target[2] = {0.0f,0.0f};
const float dv_dt[2] = {1.0f,1.0f};
for(int i=0; i<eMaxNumAtmosphereSounds; i++) {
s_atmosphereNoises[i].VolumeAnimate(target, dv_dt);
s_atmosphereNoises[i].SetOp(Sound::OP_REPEAT | Sound::OP_STOP_AT_TARGET_VOLUME);
}
}
}
}
void Player::StaticUpdate(const float timeStep)
{
vector3d v;
matrix4x4d m;
Ship::StaticUpdate(timeStep); // also calls autopilot AI
if (GetFlightState() == Ship::FLYING) {
switch (m_flightControlState) {
case CONTROL_FIXSPEED:
if (Pi::GetView() == Pi::worldView) PollControls(timeStep);
if (IsAnyThrusterKeyDown()) break;
GetRotMatrix(m);
v = m * vector3d(0, 0, -m_setSpeed);
if (m_setSpeedTarget) {
v += m_setSpeedTarget->GetVelocityRelTo(GetFrame());
}
AIMatchVel(v);
break;
case CONTROL_MANUAL:
if (Pi::GetView() == Pi::worldView) PollControls(timeStep);
break;
case CONTROL_AUTOPILOT:
if (AIIsActive()) break;
Pi::game->RequestTimeAccel(Game::TIMEACCEL_1X);
// AIMatchVel(vector3d(0.0)); // just in case autopilot doesn't...
// actually this breaks last timestep slightly in non-relative target cases
AIMatchAngVelObjSpace(vector3d(0.0));
if (GetFrame()->IsRotatingFrame()) SetFlightControlState(CONTROL_FIXSPEED);
else SetFlightControlState(CONTROL_MANUAL);
m_setSpeed = 0.0;
break;
}
}
else SetFlightControlState(CONTROL_MANUAL);
/* This wank probably shouldn't be in Player... */
/* Ship engine noise. less loud inside */
float v_env = (Pi::worldView->GetCamType() == WorldView::CAM_EXTERNAL ? 1.0f : 0.5f) * Sound::GetSfxVolume();
static Sound::Event sndev;
float volBoth = 0.0f;
volBoth += 0.5f*fabs(GetThrusterState().y);
volBoth += 0.5f*fabs(GetThrusterState().z);
float targetVol[2] = { volBoth, volBoth };
if (GetThrusterState().x > 0.0)
targetVol[0] += 0.5f*float(GetThrusterState().x);
else targetVol[1] += -0.5f*float(GetThrusterState().x);
targetVol[0] = v_env * Clamp(targetVol[0], 0.0f, 1.0f);
targetVol[1] = v_env * Clamp(targetVol[1], 0.0f, 1.0f);
float dv_dt[2] = { 4.0f, 4.0f };
if (!sndev.VolumeAnimate(targetVol, dv_dt)) {
sndev.Play("Thruster_large", 0.0f, 0.0f, Sound::OP_REPEAT);
sndev.VolumeAnimate(targetVol, dv_dt);
}
float angthrust = 0.1f * v_env * float(Pi::player->GetAngThrusterState().Length());
static Sound::Event angThrustSnd;
if (!angThrustSnd.VolumeAnimate(angthrust, angthrust, 5.0f, 5.0f)) {
angThrustSnd.Play("Thruster_Small", 0.0f, 0.0f, Sound::OP_REPEAT);
angThrustSnd.VolumeAnimate(angthrust, angthrust, 5.0f, 5.0f);
}
}