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AmbientSounds.cpp
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AmbientSounds.cpp
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#include "libs.h"
#include "Pi.h"
#include "WorldView.h"
#include "Player.h"
#include "AmbientSounds.h"
#include "Frame.h"
#include "Planet.h"
#include "Sound.h"
#include "SpaceStation.h"
static int astroNoiseSeed;
static Sound::Event stationNoise;
static Sound::Event starNoise;
static Sound::Event atmosphereNoise;
static Sound::Event planetSurfaceNoise;
static sigc::connection onChangeCamTypeConnection;
void AmbientSounds::Init()
{
onChangeCamTypeConnection = Pi::worldView->onChangeCamType.connect(sigc::ptr_fun(&AmbientSounds::UpdateForCamType));
}
void AmbientSounds::Uninit()
{
onChangeCamTypeConnection.disconnect();
}
void AmbientSounds::Update()
{
WorldView::CamType cam = Pi::worldView->GetCamType();
float v_env = (cam == WorldView::CAM_EXTERNAL ? 1.0f : 0.5f);
if (Pi::player->GetDockedWith()) {
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()->GetSBody()->seed % 3],
0.3f*v_env, 0.3f*v_env, true);
}
} 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()) {
SBody *sbody = Pi::player->GetFrame()->GetSBodyFor();
assert(sbody);
const char *sample;
switch (sbody->type) {
case SBody::TYPE_PLANET_SMALL:
case SBody::TYPE_PLANET_CO2:
case SBody::TYPE_PLANET_METHANE:
{
const char *s[] = { "Wind", "Storm" };
sample = s[sbody->seed % 2];
}
break;
case SBody::TYPE_PLANET_CO2_THICK_ATMOS:
case SBody::TYPE_PLANET_METHANE_THICK_ATMOS:
case SBody::TYPE_PLANET_HIGHLY_VOLCANIC:
case SBody::TYPE_PLANET_WATER:
case SBody::TYPE_PLANET_DESERT:
{
const char *s[] = {
"Wind", "Thunder_1", "Thunder_2", "Thunder_3",
"Thunder_4", "Storm"
};
sample = s[sbody->seed % 6];
}
break;
case SBody::TYPE_PLANET_WATER_THICK_ATMOS:
{
const char *s[] = {
"Wind", "Thunder_1", "Thunder_2", "Thunder_3",
"Thunder_4", "Storm", "Rain_Light", "River"
};
sample = s[sbody->seed % 8];
}
break;
case SBody::TYPE_PLANET_INDIGENOUS_LIFE:
case SBody::TYPE_PLANET_TERRAFORMED_POOR:
case SBody::TYPE_PLANET_TERRAFORMED_GOOD:
{
const char *s[] = {
"Wind", "Thunder_1", "Thunder_2", "Thunder_3",
"Thunder_4", "Storm", "Rain_Light", "River",
"RainForestIntroducedNight", "RainForestIntroduced",
"NormalForestIntroduced"
};
sample = s[sbody->seed % 11];
}
break;
default: sample = 0;
}
if (sample) {
planetSurfaceNoise.Play(sample, 0.3f*v_env, 0.3f*v_env, Sound::OP_REPEAT);
}
}
} 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 (astroNoiseSeed != Pi::currentSystem->m_seed) {
// change sound!
astroNoiseSeed = Pi::currentSystem->m_seed;
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();
const SBody *sbody = f->GetSBodyFor();
const char *sample = 0;
for (; sbody && !sample; sbody = f->GetSBodyFor()) {
switch (sbody->type) {
case SBody::TYPE_BROWN_DWARF: sample = "Brown_Dwarf_Substellar_Object"; break;
case SBody::TYPE_STAR_M: sample = "M_Red_Star"; break;
case SBody::TYPE_STAR_K: sample = "K_Star"; break;
case SBody::TYPE_WHITE_DWARF: sample = "White_Dwarf_Star"; break;
case SBody::TYPE_STAR_G: sample = "G_Star"; break;
case SBody::TYPE_STAR_F: sample = "F_Star"; break;
case SBody::TYPE_STAR_A: sample = "A_Star"; break;
case SBody::TYPE_STAR_B: sample = "B_Hot_Blue_STAR"; break;
case SBody::TYPE_STAR_O: sample = "Blue_Super_Giant"; break;
case SBody::TYPE_PLANET_SMALL_GAS_GIANT: sample = "Small_Gas_Giant"; break;
case SBody::TYPE_PLANET_MEDIUM_GAS_GIANT: sample = "Medium_Gas_Giant"; break;
case SBody::TYPE_PLANET_LARGE_GAS_GIANT: sample = "Large_Gas_Giant"; break;
case SBody::TYPE_PLANET_VERY_LARGE_GAS_GIANT: sample = "Very_Large_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();
float pressure, density;
((Planet*)astro)->GetAtmosphericState(dist, pressure, density);
// maximum volume at around 2km/sec at earth density, pressure
float volume = 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::UpdateForCamType()
{
const WorldView::CamType cam = Pi::worldView->GetCamType();
float v_env = (cam == WorldView::CAM_EXTERNAL ? 1.0f : 0.5f);
if (stationNoise.IsPlaying())
stationNoise.SetVolume(0.3f*v_env, 0.3f*v_env);
if (starNoise.IsPlaying())
starNoise.SetVolume(0.3f*v_env, 0.3f*v_env);
if (planetSurfaceNoise.IsPlaying())
planetSurfaceNoise.SetVolume(0.3f*v_env, 0.3f*v_env);
}