forked from pioneerspacesim/pioneer
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AmbientSounds.cpp
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AmbientSounds.cpp
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// Copyright © 2008-2012 Pioneer Developers. See AUTHORS.txt for details
// Licensed under the terms of the GPL v3. See licenses/GPL-3.txt
#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"
#include "Game.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()
{
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->m_seed) {
// change sound!
astroNoiseSeed = s->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();
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::UpdateForCamType()
{
const WorldView::CamType cam = Pi::worldView->GetCamType();
float v_env = (cam == WorldView::CAM_EXTERNAL ? 1.0f : 0.5f) * Sound::GetSfxVolume();
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);
}