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/*
client/soundext.cc
This file is part of the Osirion project and is distributed under
the terms of the GNU General Public License version 2
*/
#include "audio/audio.h"
#include "audio/buffers.h"
#include "audio/sources.h"
#include "auxiliary/functions.h"
#include "core/gameinterface.h"
#include "core/entity.h"
#include "client/soundext.h"
#include "client/client.h"
#include <sstream>
#include <iomanip>
namespace client
{
SoundExt::SoundExt(core::Entity *entity) : core::Extension(core::Extension::Sound, entity)
{
state_thusterloopbuffer = 0;
state_impulseloopbuffer = 0;
state_impulsestartbuffer = 0;
state_impulsestopbuffer = 0;
state_engineloopbuffer = 0;
state_engineloopsource = 0;
state_engineeventbuffer = 0;
state_engineeventsource = 0;
// load engine sound
if (entity->type() == core::Entity::Controlable) {
core::EntityControlable *entityco = static_cast<core::EntityControlable *>(entity);
unsigned int enginesoundset = 0;
unsigned int impulsesoundset = 0;
if (entityco->model()) {
enginesoundset = entityco->model()->enginesound();
impulsesoundset = entityco->model()->impulsesound();
}
std::stringstream soundname;
soundname << "engines/loop" << std::setfill('0') << std::setw(2) << enginesoundset;
state_thusterloopbuffer = audio::Buffers::load(soundname.str());
// load impulse sound
// FIXME load impulse sound set
state_impulseloopbuffer = audio::Buffers::load("engines/impulse_loop00");
state_impulsestartbuffer = audio::Buffers::load("engines/impulse_start00");
state_impulsestopbuffer = audio::Buffers::load("engines/impulse_stop00");
state_engineloopsource = audio::Sources::get();
state_engineeventsource = audio::Sources::get();
}
}
SoundExt::~SoundExt()
{
clear();
}
void SoundExt::clear()
{
if (state_engineloopsource) {
audio::Sources::remove(state_engineloopsource);
}
if (state_engineeventsource) {
audio::Sources::remove(state_engineeventsource);
}
state_thusterloopbuffer = 0;
state_impulseloopbuffer = 0;
state_impulsestartbuffer = 0;
state_impulsestopbuffer = 0;
state_engineloopbuffer = 0;
state_engineloopsource = 0;
state_engineeventbuffer = 0;
state_engineeventsource = 0;
}
void SoundExt::frame(float elapsed)
{
if (entity()->type() == core::Entity::Controlable) {
core::EntityControlable *entity = static_cast<core::EntityControlable *>(this->entity());
float speed = entity->speed();
float pitch = 1.0f;
float gain = 0.0;
float r = (entity->model() ? entity->model()->maxbbox().x() : entity->radius());
if (entity->state() == core::Entity::Impulse) {
pitch = 1.0f;
gain = 1.0f;
} else if (entity->thrust() > 0) {
pitch = 0.2f + entity->thrust() * 0.8f;
gain = 0.8f;
}
if (entity->state() == core::Entity::ImpulseInitiate) {
if (state_engineeventbuffer != state_impulsestartbuffer) {
audio::update_source(state_engineeventsource,
entity->location() - entity->axis().forward() * r ,
entity->axis().forward() * speed);
state_engineeventbuffer = audio::play(state_engineeventsource, state_impulsestartbuffer);
}
} else if (entity->state() == core::Entity::Impulse) {
state_engineeventbuffer = state_impulseloopbuffer;
if (state_engineloopbuffer != state_impulseloopbuffer) {
state_engineloopbuffer = audio::loop(state_engineloopsource, state_impulseloopbuffer, pitch, 0);
}
pitch = 1.0f;
} else {
if (state_engineeventbuffer == state_impulseloopbuffer) {
audio::update_source(state_engineeventsource,
entity->location() - entity->axis().forward() * r ,
entity->axis().forward() * speed);
state_engineeventbuffer = audio::play(state_engineeventsource, state_impulsestopbuffer);
}
state_engineeventbuffer = 0;
if (state_engineloopbuffer != state_thusterloopbuffer) {
state_engineloopbuffer = audio::loop(state_engineloopsource, state_thusterloopbuffer, pitch, 0);
}
}
audio::update_source(state_engineloopsource,
entity->location() - entity->axis().forward() * r , entity->axis().forward() * speed, pitch, gain);
audio::update_source(state_engineeventsource,
entity->location() - entity->axis().forward() * r , entity->axis().forward() * speed);
}
}
} // namespace client
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