# include <simgear_config.h>
#endif
-#if defined( __APPLE__ )
-# include <ALUT/alut.h>
-#else
-# include <AL/alut.h>
-#endif
-
#include <iostream>
#include <algorithm>
#include <cstring>
+#include <boost/foreach.hpp>
+
#include "soundmgr_openal.hxx"
+#include "readwav.hxx"
+#include "soundmgr_openal_private.hxx"
+#include "sample_group.hxx"
+#include <simgear/sg_inlines.h>
#include <simgear/structure/exception.hxx>
#include <simgear/debug/logstream.hxx>
#include <simgear/misc/sg_path.hxx>
-#include <simgear/math/SGMath.hxx>
using std::string;
using std::vector;
-extern bool isNaN(float *v);
#define MAX_SOURCES 128
# define ALC_ALL_DEVICES_SPECIFIER 0x1013
#endif
+class SGSoundMgr::SoundManagerPrivate
+{
+public:
+ SoundManagerPrivate() :
+ _device(NULL),
+ _context(NULL),
+ _absolute_pos(SGVec3d::zeros()),
+ _base_pos(SGVec3d::zeros()),
+ _orientation(SGQuatd::zeros())
+ {
+
+
+ }
+
+ void init()
+ {
+ _at_up_vec[0] = 0.0; _at_up_vec[1] = 0.0; _at_up_vec[2] = -1.0;
+ _at_up_vec[3] = 0.0; _at_up_vec[4] = 1.0; _at_up_vec[5] = 0.0;
+ }
+
+ void update_pos_and_orientation()
+ {
+ /**
+ * Description: ORIENTATION is a pair of 3-tuples representing the
+ * 'at' direction vector and 'up' direction of the Object in
+ * Cartesian space. AL expects two vectors that are orthogonal to
+ * each other. These vectors are not expected to be normalized. If
+ * one or more vectors have zero length, implementation behavior
+ * is undefined. If the two vectors are linearly dependent,
+ * behavior is undefined.
+ *
+ * This is in the same coordinate system as OpenGL; y=up, z=back, x=right.
+ */
+ SGVec3d sgv_at = _orientation.backTransform(-SGVec3d::e3());
+ SGVec3d sgv_up = _orientation.backTransform(SGVec3d::e2());
+ _at_up_vec[0] = sgv_at[0];
+ _at_up_vec[1] = sgv_at[1];
+ _at_up_vec[2] = sgv_at[2];
+ _at_up_vec[3] = sgv_up[0];
+ _at_up_vec[4] = sgv_up[1];
+ _at_up_vec[5] = sgv_up[2];
+
+ _absolute_pos = _base_pos;
+ }
+
+ ALCdevice *_device;
+ ALCcontext *_context;
+
+ std::vector<ALuint> _free_sources;
+ std::vector<ALuint> _sources_in_use;
+
+ SGVec3d _absolute_pos;
+ SGVec3d _base_pos;
+ SGQuatd _orientation;
+ // Orientation of the listener.
+ // first 3 elements are "at" vector, second 3 are "up" vector
+ ALfloat _at_up_vec[6];
+
+ sample_group_map _sample_groups;
+ buffer_map _buffers;
+};
+
+
//
// Sound Manager
//
-int SGSoundMgr::_alut_init = 0;
-
// constructor
SGSoundMgr::SGSoundMgr() :
- _working(false),
_active(false),
_changed(true),
_volume(0.0),
- _device(NULL),
- _context(NULL),
- _absolute_pos(SGVec3d::zeros()),
_offset_pos(SGVec3d::zeros()),
- _base_pos(SGVec3d::zeros()),
_geod_pos(SGGeod::fromCart(SGVec3d::zeros())),
_velocity(SGVec3d::zeros()),
- _orientation(SGQuatd::zeros()),
_bad_doppler(false),
_renderer("unknown"),
_vendor("unknown")
{
-#if defined(ALUT_API_MAJOR_VERSION) && ALUT_API_MAJOR_VERSION >= 1
- if (_alut_init == 0) {
- if ( !alutInitWithoutContext(NULL, NULL) ) {
- testForALUTError("alut initialization");
- return;
- }
- }
- _alut_init++;
-#else
- //#error ALUT 1.1 required, ALUT 1.0 is no longer supported, please upgrade
-#endif
+ d.reset(new SoundManagerPrivate);
}
// destructor
SGSoundMgr::~SGSoundMgr() {
- stop();
-#if defined(ALUT_API_MAJOR_VERSION) && ALUT_API_MAJOR_VERSION >= 1
- _alut_init--;
- if (_alut_init == 0) {
- alutExit ();
- }
-#endif
+ if (is_working())
+ stop();
+ d->_sample_groups.clear();
}
// initialize the sound manager
-void SGSoundMgr::init(const char *devname) {
+void SGSoundMgr::init() {
+
+ if (is_working())
+ {
+ SG_LOG( SG_SOUND, SG_ALERT, "Oops, OpenAL sound manager is already initialized." );
+ return;
+ }
- SG_LOG( SG_GENERAL, SG_INFO, "Initializing OpenAL sound manager" );
+ SG_LOG( SG_SOUND, SG_INFO, "Initializing OpenAL sound manager" );
- ALCdevice *device = alcOpenDevice(devname);
- if ( testForError(device, "Audio device not available, trying default") ) {
+ d->_free_sources.clear();
+ d->_free_sources.reserve( MAX_SOURCES );
+ d->_sources_in_use.clear();
+ d->_sources_in_use.reserve( MAX_SOURCES );
+
+ ALCdevice *device = NULL;
+ const char* devname = _device_name.c_str();
+ if (_device_name == "")
+ devname = NULL; // use default device
+ else
+ {
+ // try non-default device
+ device = alcOpenDevice(devname);
+ }
+
+ if ((!devname)||(testForError(device, "Audio device not available, trying default.")) ) {
device = alcOpenDevice(NULL);
- if (testForError(device, "Default Audio device not available.") ) {
+ if (testForError(device, "Default audio device not available.") ) {
return;
}
}
- _device = device;
ALCcontext *context = alcCreateContext(device, NULL);
testForALCError("context creation.");
if ( testForError(context, "Unable to create a valid context.") ) {
return;
}
- if (_context != NULL)
- SG_LOG(SG_GENERAL, SG_ALERT, "context is already assigned");
- _context = context;
- _working = true;
-
- _at_up_vec[0] = 0.0; _at_up_vec[1] = 0.0; _at_up_vec[2] = -1.0;
- _at_up_vec[3] = 0.0; _at_up_vec[4] = 1.0; _at_up_vec[5] = 0.0;
+ if (d->_context != NULL)
+ {
+ SG_LOG(SG_SOUND, SG_ALERT, "context is already assigned");
+ }
+
+ d->_context = context;
+ d->_device = device;
+ d->init();
alListenerf( AL_GAIN, 0.0f );
- alListenerfv( AL_ORIENTATION, _at_up_vec );
+ alListenerfv( AL_ORIENTATION, d->_at_up_vec );
alListenerfv( AL_POSITION, SGVec3f::zeros().data() );
alListenerfv( AL_VELOCITY, SGVec3f::zeros().data() );
alGenSources(1, &source);
error = alGetError();
if ( error == AL_NO_ERROR ) {
- _free_sources.push_back( source );
+ d->_free_sources.push_back( source );
+ } else {
+ SG_LOG(SG_SOUND, SG_INFO, "allocating source failed:" << i);
+ break;
}
- else break;
}
_vendor = (const char *)alGetString(AL_VENDOR);
_bad_doppler = true;
}
- if (_free_sources.size() == 0) {
- SG_LOG(SG_GENERAL, SG_ALERT, "Unable to grab any OpenAL sources!");
+ if (d->_free_sources.empty()) {
+ SG_LOG(SG_SOUND, SG_ALERT, "Unable to grab any OpenAL sources!");
}
}
+void SGSoundMgr::reinit()
+{
+ bool was_active = _active;
+
+ if (was_active)
+ {
+ suspend();
+ }
+
+ SGSoundMgr::stop();
+ SGSoundMgr::init();
+
+ if (was_active)
+ resume();
+}
+
void SGSoundMgr::activate() {
- if ( _working ) {
+ if ( is_working() ) {
_active = true;
- sample_group_map_iterator sample_grp_current = _sample_groups.begin();
- sample_group_map_iterator sample_grp_end = _sample_groups.end();
+
+ sample_group_map_iterator sample_grp_current = d->_sample_groups.begin();
+ sample_group_map_iterator sample_grp_end = d->_sample_groups.end();
for ( ; sample_grp_current != sample_grp_end; ++sample_grp_current ) {
SGSampleGroup *sgrp = sample_grp_current->second;
sgrp->activate();
void SGSoundMgr::stop() {
// first stop all sample groups
- sample_group_map_iterator sample_grp_current = _sample_groups.begin();
- sample_group_map_iterator sample_grp_end = _sample_groups.end();
+ sample_group_map_iterator sample_grp_current = d->_sample_groups.begin();
+ sample_group_map_iterator sample_grp_end = d->_sample_groups.end();
for ( ; sample_grp_current != sample_grp_end; ++sample_grp_current ) {
SGSampleGroup *sgrp = sample_grp_current->second;
sgrp->stop();
}
// clear all OpenAL sources
- for (unsigned int i=0; i<_free_sources.size(); i++) {
- ALuint source = _free_sources[i];
+ BOOST_FOREACH(ALuint source, d->_free_sources) {
alDeleteSources( 1 , &source );
+ testForALError("SGSoundMgr::stop: delete sources");
}
- _free_sources.clear();
+ d->_free_sources.clear();
// clear any OpenAL buffers before shutting down
- buffer_map_iterator buffers_current = _buffers.begin();
- buffer_map_iterator buffers_end = _buffers.end();
+ buffer_map_iterator buffers_current = d->_buffers.begin();
+ buffer_map_iterator buffers_end = d->_buffers.end();
for ( ; buffers_current != buffers_end; ++buffers_current ) {
refUint ref = buffers_current->second;
ALuint buffer = ref.id;
alDeleteBuffers(1, &buffer);
+ testForALError("SGSoundMgr::stop: delete buffers");
}
- _buffers.clear();
+
+ d->_buffers.clear();
+ d->_sources_in_use.clear();
- if (_working) {
- _working = false;
+ if (is_working()) {
_active = false;
- _context = alcGetCurrentContext();
- _device = alcGetContextsDevice(_context);
- alcDestroyContext(_context);
- alcCloseDevice(_device);
- _context = NULL;
+ alcDestroyContext(d->_context);
+ alcCloseDevice(d->_device);
+ d->_context = NULL;
+ d->_device = NULL;
_renderer = "unknown";
_vendor = "unknown";
}
void SGSoundMgr::suspend() {
- if (_working) {
- sample_group_map_iterator sample_grp_current = _sample_groups.begin();
- sample_group_map_iterator sample_grp_end = _sample_groups.end();
+ if (is_working()) {
+ sample_group_map_iterator sample_grp_current = d->_sample_groups.begin();
+ sample_group_map_iterator sample_grp_end = d->_sample_groups.end();
for ( ; sample_grp_current != sample_grp_end; ++sample_grp_current ) {
SGSampleGroup *sgrp = sample_grp_current->second;
sgrp->stop();
}
void SGSoundMgr::resume() {
- if (_working) {
- sample_group_map_iterator sample_grp_current = _sample_groups.begin();
- sample_group_map_iterator sample_grp_end = _sample_groups.end();
+ if (is_working()) {
+ sample_group_map_iterator sample_grp_current = d->_sample_groups.begin();
+ sample_group_map_iterator sample_grp_end = d->_sample_groups.end();
for ( ; sample_grp_current != sample_grp_end; ++sample_grp_current ) {
SGSampleGroup *sgrp = sample_grp_current->second;
sgrp->resume();
}
}
-void SGSoundMgr::bind ()
-{
- _free_sources.clear();
- _free_sources.reserve( MAX_SOURCES );
- _sources_in_use.clear();
- _sources_in_use.reserve( MAX_SOURCES );
-}
-
-
-void SGSoundMgr::unbind ()
-{
- _sample_groups.clear();
-
- // delete free sources
- for (unsigned int i=0; i<_free_sources.size(); i++) {
- ALuint source = _free_sources[i];
- alDeleteSources( 1 , &source );
- }
-
- _free_sources.clear();
- _sources_in_use.clear();
-}
-
// run the audio scheduler
void SGSoundMgr::update( double dt ) {
if (_active) {
- alcSuspendContext(_context);
+ alcSuspendContext(d->_context);
if (_changed) {
- update_pos_and_orientation();
+ d->update_pos_and_orientation();
}
- sample_group_map_iterator sample_grp_current = _sample_groups.begin();
- sample_group_map_iterator sample_grp_end = _sample_groups.end();
+ sample_group_map_iterator sample_grp_current = d->_sample_groups.begin();
+ sample_group_map_iterator sample_grp_end = d->_sample_groups.end();
for ( ; sample_grp_current != sample_grp_end; ++sample_grp_current ) {
SGSampleGroup *sgrp = sample_grp_current->second;
sgrp->update(dt);
if (isNaN(_velocity.data())) printf("NaN in listener velocity\n");
#endif
alListenerf( AL_GAIN, _volume );
- alListenerfv( AL_ORIENTATION, _at_up_vec );
+ alListenerfv( AL_ORIENTATION, d->_at_up_vec );
// alListenerfv( AL_POSITION, toVec3f(_absolute_pos).data() );
SGQuatd hlOr = SGQuatd::fromLonLat( _geod_pos );
_changed = false;
}
- alcProcessContext(_context);
+ alcProcessContext(d->_context);
}
}
// add a sample group, return true if successful
bool SGSoundMgr::add( SGSampleGroup *sgrp, const string& refname )
{
- sample_group_map_iterator sample_grp_it = _sample_groups.find( refname );
- if ( sample_grp_it != _sample_groups.end() ) {
+ sample_group_map_iterator sample_grp_it = d->_sample_groups.find( refname );
+ if ( sample_grp_it != d->_sample_groups.end() ) {
// sample group already exists
return false;
}
if (_active) sgrp->activate();
- _sample_groups[refname] = sgrp;
+ d->_sample_groups[refname] = sgrp;
return true;
}
// remove a sound effect, return true if successful
bool SGSoundMgr::remove( const string &refname )
{
- sample_group_map_iterator sample_grp_it = _sample_groups.find( refname );
- if ( sample_grp_it == _sample_groups.end() ) {
+ sample_group_map_iterator sample_grp_it = d->_sample_groups.find( refname );
+ if ( sample_grp_it == d->_sample_groups.end() ) {
// sample group was not found.
return false;
}
- _sample_groups.erase( sample_grp_it );
+ d->_sample_groups.erase( sample_grp_it );
return true;
}
// return true of the specified sound exists in the sound manager system
bool SGSoundMgr::exists( const string &refname ) {
- sample_group_map_iterator sample_grp_it = _sample_groups.find( refname );
- if ( sample_grp_it == _sample_groups.end() ) {
- // sample group was not found.
- return false;
- }
-
- return true;
+ sample_group_map_iterator sample_grp_it = d->_sample_groups.find( refname );
+ return ( sample_grp_it != d->_sample_groups.end() );
}
// return a pointer to the SGSampleGroup if the specified sound exists
// in the sound manager system, otherwise return NULL
SGSampleGroup *SGSoundMgr::find( const string &refname, bool create ) {
- sample_group_map_iterator sample_grp_it = _sample_groups.find( refname );
- if ( sample_grp_it == _sample_groups.end() ) {
+ sample_group_map_iterator sample_grp_it = d->_sample_groups.find( refname );
+ if ( sample_grp_it == d->_sample_groups.end() ) {
// sample group was not found.
if (create) {
SGSampleGroup* sgrp = new SGSampleGroup(this, refname);
void SGSoundMgr::set_volume( float v )
{
_volume = v;
- if (_volume > 1.0) _volume = 1.0;
- if (_volume < 0.0) _volume = 0.0;
+ SG_CLAMP_RANGE(_volume, 0.0f, 1.0f);
_changed = true;
}
// and hence orientation) of the sources.
//
// The Sound Manager is (and should be) the only one knowing about source
-// management. Sources further away should be suspendped to free resources for
+// management. Sources further away should be suspended to free resources for
// newly added sounds close by.
unsigned int SGSoundMgr::request_source()
{
unsigned int source = NO_SOURCE;
- if (_free_sources.size() > 0) {
- source = _free_sources.back();
- _free_sources.pop_back();
- _sources_in_use.push_back(source);
+ if (!d->_free_sources.empty()) {
+ source = d->_free_sources.back();
+ d->_free_sources.pop_back();
+ d->_sources_in_use.push_back(source);
}
else
- SG_LOG( SG_GENERAL, SG_INFO, "No more free sources available\n");
+ SG_LOG( SG_SOUND, SG_BULK, "Sound manager: No more free sources available!\n");
return source;
}
{
vector<ALuint>::iterator it;
- it = std::find(_sources_in_use.begin(), _sources_in_use.end(), source);
- if ( it != _sources_in_use.end() ) {
+ it = std::find(d->_sources_in_use.begin(), d->_sources_in_use.end(), source);
+ if ( it != d->_sources_in_use.end() ) {
ALint result;
alGetSourcei( source, AL_SOURCE_STATE, &result );
- if ( result == AL_PLAYING ) {
+ if ( result == AL_PLAYING || result == AL_PAUSED ) {
alSourceStop( source );
}
alSourcei( source, AL_BUFFER, 0 ); // detach the associated buffer
testForALError("release_source");
- _free_sources.push_back( source );
- _sources_in_use.erase( it );
+ d->_free_sources.push_back( source );
+ d->_sources_in_use.erase( it );
}
}
void *sample_data = NULL;
// see if the sample name is already cached
- buffer_map_iterator buffer_it = _buffers.find( sample_name );
- if ( buffer_it != _buffers.end() ) {
+ buffer_map_iterator buffer_it = d->_buffers.find( sample_name );
+ if ( buffer_it != d->_buffers.end() ) {
buffer_it->second.refctr++;
buffer = buffer_it->second.id;
sample->set_buffer( buffer );
bool res = load(sample_name, &sample_data, &format, &size, &freq);
if (res == false) return NO_BUFFER;
} catch (sg_exception& e) {
- SG_LOG(SG_GENERAL, SG_ALERT,
- "failed to load sound buffer:" << e.getFormattedMessage());
- return NO_BUFFER;
+ SG_LOG(SG_SOUND, SG_ALERT,
+ "failed to load sound buffer: " << e.getFormattedMessage());
+ sample->set_buffer( SGSoundMgr::FAILED_BUFFER );
+ return FAILED_BUFFER;
}
sample->set_frequency( freq );
if ( !testForALError("buffer add data") ) {
sample->set_buffer(buffer);
- _buffers[sample_name] = refUint(buffer);
+ d->_buffers[sample_name] = refUint(buffer);
}
}
if ( !sample->is_queue() )
{
string sample_name = sample->get_sample_name();
- buffer_map_iterator buffer_it = _buffers.find( sample_name );
- if ( buffer_it == _buffers.end() ) {
+ buffer_map_iterator buffer_it = d->_buffers.find( sample_name );
+ if ( buffer_it == d->_buffers.end() ) {
// buffer was not found
return;
}
if (buffer_it->second.refctr == 0) {
ALuint buffer = buffer_it->second.id;
alDeleteBuffers(1, &buffer);
- _buffers.erase( buffer_it );
+ d->_buffers.erase( buffer_it );
testForALError("release buffer");
}
}
}
-void SGSoundMgr::update_pos_and_orientation() {
- /**
- * Description: ORIENTATION is a pair of 3-tuples representing the
- * 'at' direction vector and 'up' direction of the Object in
- * Cartesian space. AL expects two vectors that are orthogonal to
- * each other. These vectors are not expected to be normalized. If
- * one or more vectors have zero length, implementation behavior
- * is undefined. If the two vectors are linearly dependent,
- * behavior is undefined.
- *
- * This is in the same coordinate system as OpenGL; y=up, z=back, x=right.
- */
- SGVec3d sgv_at = _orientation.backTransform(-SGVec3d::e3());
- SGVec3d sgv_up = _orientation.backTransform(SGVec3d::e2());
- _at_up_vec[0] = sgv_at[0];
- _at_up_vec[1] = sgv_at[1];
- _at_up_vec[2] = sgv_at[2];
- _at_up_vec[3] = sgv_up[0];
- _at_up_vec[4] = sgv_up[1];
- _at_up_vec[5] = sgv_up[2];
-
- _absolute_pos = _base_pos;
-}
-
-bool SGSoundMgr::load(string &samplepath, void **dbuf, int *fmt,
+bool SGSoundMgr::load(const string &samplepath, void **dbuf, int *fmt,
size_t *sz, int *frq )
{
- if ( !_working ) return false;
+ if ( !is_working() )
+ return false;
ALenum format;
ALsizei size;
ALsizei freq;
ALvoid *data;
-#if defined(ALUT_API_MAJOR_VERSION) && ALUT_API_MAJOR_VERSION >= 1
ALfloat freqf;
- // ignore previous errors to prevent the system from halting on silly errors
- alGetError();
- alcGetError(_device);
- data = alutLoadMemoryFromFile(samplepath.c_str(), &format, &size, &freqf );
+
+ data = simgear::loadWAVFromFile(samplepath, format, size, freqf );
freq = (ALsizei)freqf;
- int error = alutGetError();
- if (data == NULL || error != ALUT_ERROR_NO_ERROR) {
- string msg = "Failed to load wav file: ";
- msg.append(alutGetErrorString(error));
- throw sg_io_exception(msg.c_str(), sg_location(samplepath));
- return false;
+ if (data == NULL) {
+ throw sg_io_exception("Failed to load wav file", sg_location(samplepath));
}
-#else
- ALbyte *fname = (ALbyte *)samplepath.c_str();
-# if defined (__APPLE__)
- alutLoadWAVFile( fname, &format, &data, &size, &freq );
-# else
- ALboolean loop;
- alutLoadWAVFile( fname, &format, &data, &size, &freq, &loop );
-# endif
- ALenum error = alGetError();
- if ( error != AL_NO_ERROR ) {
- string msg = "Failed to load wav file: ";
- const ALchar *errorString = alGetString(error);
- if (errorString) {
- msg.append(errorString);
- } else {
- // alGetString returns NULL when an unexpected or OS specific error
- // occurs: e.g. -43 on Mac when file is not found.
- // In this case, alGetString() sets 'Invalid Enum' error, so
- // showing with the original error number is helpful.
- stringstream ss;
- ss << alGetString(alGetError()) << "(" << error << ")";
- msg.append(ss.str());
- }
- throw sg_io_exception(msg.c_str(), sg_location(samplepath));
- return false;
- }
-#endif
-
if (format == AL_FORMAT_STEREO8 || format == AL_FORMAT_STEREO16) {
+ free(data);
throw sg_io_exception("Warning: STEREO files are not supported for 3D audio effects: " + samplepath);
}
bool SGSoundMgr::testForError(void *p, string s)
{
if (p == NULL) {
- SG_LOG( SG_GENERAL, SG_ALERT, "Error: " << s);
+ SG_LOG( SG_SOUND, SG_ALERT, "Error: " << s);
return true;
}
return false;
{
ALenum error = alGetError();
if (error != AL_NO_ERROR) {
- SG_LOG( SG_GENERAL, SG_ALERT, "AL Error (sound manager): "
+ SG_LOG( SG_SOUND, SG_ALERT, "AL Error (sound manager): "
<< alGetString(error) << " at " << s);
return true;
}
bool SGSoundMgr::testForALCError(string s)
{
ALCenum error;
- error = alcGetError(_device);
+ error = alcGetError(d->_device);
if (error != ALC_NO_ERROR) {
- SG_LOG( SG_GENERAL, SG_ALERT, "ALC Error (sound manager): "
- << alcGetString(_device, error) << " at "
+ SG_LOG( SG_SOUND, SG_ALERT, "ALC Error (sound manager): "
+ << alcGetString(d->_device, error) << " at "
<< s);
return true;
}
return false;
}
-bool SGSoundMgr::testForALUTError(string s)
+bool SGSoundMgr::is_working() const
{
-#if defined(ALUT_API_MAJOR_VERSION) && ALUT_API_MAJOR_VERSION >= 1
- ALenum error;
- error = alutGetError ();
- if (error != ALUT_ERROR_NO_ERROR) {
- SG_LOG( SG_GENERAL, SG_ALERT, "ALUT Error (sound manager): "
- << alutGetErrorString(error) << " at "
- << s);
- return true;
- }
-#endif
- return false;
+ return (d->_device != NULL);
+}
+
+const SGQuatd& SGSoundMgr::get_orientation() const
+{
+ return d->_orientation;
+}
+
+void SGSoundMgr::set_orientation( const SGQuatd& ori )
+{
+ d->_orientation = ori;
+ _changed = true;
+}
+
+const SGVec3d& SGSoundMgr::get_position() const
+{
+ return d->_absolute_pos;
+}
+
+void SGSoundMgr::set_position( const SGVec3d& pos, const SGGeod& pos_geod )
+{
+ d->_base_pos = pos; _geod_pos = pos_geod; _changed = true;
+}
+
+SGVec3f SGSoundMgr::get_direction() const
+{
+ return SGVec3f(d->_at_up_vec[0], d->_at_up_vec[1], d->_at_up_vec[2]);
}
projects / simgear.git / blobdiff