-// sample.cxx -- Sound sample encapsulation class
+// sample_openal.cxx -- Audio sample encapsulation class
//
// Written by Curtis Olson, started April 2004.
+// Modified to match the new SoundSystem by Erik Hofman, October 2009
//
// Copyright (C) 2004 Curtis L. Olson - http://www.flightgear.org/~curt
+// Copyright (C) 2009 Erik Hofman <erik@ehofman.com>
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
# include <simgear_config.h>
#endif
+#include <stdlib.h> // rand()
+#include <cstring>
+
#include <simgear/debug/logstream.hxx>
#include <simgear/structure/exception.hxx>
#include <simgear/misc/sg_path.hxx>
-#include <simgear/math/SGQuat.hxx>
+#include <simgear/math/SGMath.hxx>
+#include <simgear/misc/ResourceManager.hxx>
#include "soundmgr_openal.hxx"
#include "sample_openal.hxx"
// empty constructor
SGSoundSample::SGSoundSample() :
- _absolute_pos(SGVec3d::zeros().data()),
- _relative_pos(SGVec3f::zeros().data()),
- _base_pos(SGVec3d::zeros().data()),
- _direction(SGVec3f::zeros().data()),
- _velocity(SGVec3f::zeros().data()),
- _sample_name(""),
+ _absolute_pos(SGVec3d::zeros()),
+ _relative_pos(SGVec3d::zeros()),
+ _direction(SGVec3d::zeros()),
+ _velocity(SGVec3f::zeros()),
+ _orientation(SGQuatd::zeros()),
+ _orivec(SGVec3f::zeros()),
+ _base_pos(SGVec3d::zeros()),
+ _rotation(SGQuatd::zeros()),
+ _refname(random_string()),
_data(NULL),
_format(AL_FORMAT_MONO8),
_size(0),
}
// constructor
-SGSoundSample::SGSoundSample( const char *path, const char *file ) :
- _absolute_pos(SGVec3d::zeros().data()),
- _relative_pos(SGVec3f::zeros().data()),
- _base_pos(SGVec3d::zeros().data()),
- _direction(SGVec3f::zeros().data()),
- _velocity(SGVec3f::zeros().data()),
+SGSoundSample::SGSoundSample(const char *file, const SGPath& currentDir) :
+ _absolute_pos(SGVec3d::zeros()),
+ _relative_pos(SGVec3d::zeros()),
+ _direction(SGVec3d::zeros()),
+ _velocity(SGVec3f::zeros()),
+ _orientation(SGQuatd::zeros()),
+ _orivec(SGVec3f::zeros()),
+ _base_pos(SGVec3d::zeros()),
+ _rotation(SGQuatd::zeros()),
+ _refname(file),
+ _data(NULL),
_format(AL_FORMAT_MONO8),
_size(0),
_freq(0),
_static_changed(true),
_is_file(true)
{
- SGPath samplepath( path );
- if ( strlen(file) ) {
- samplepath.append( file );
- }
- _sample_name = samplepath.str();
+ SGPath p = simgear::ResourceManager::instance()->findPath(file, currentDir);
+ _refname = p.str();
+}
- SG_LOG( SG_GENERAL, SG_DEBUG, "From file sounds sample = "
- << samplepath.str() );
+// constructor
+SGSoundSample::SGSoundSample( const unsigned char** data,
+ int len, int freq, int format ) :
+ _absolute_pos(SGVec3d::zeros()),
+ _relative_pos(SGVec3d::zeros()),
+ _direction(SGVec3d::zeros()),
+ _velocity(SGVec3f::zeros()),
+ _orientation(SGQuatd::zeros()),
+ _orivec(SGVec3f::zeros()),
+ _base_pos(SGVec3d::zeros()),
+ _rotation(SGQuatd::zeros()),
+ _refname(random_string()),
+ _format(format),
+ _size(len),
+ _freq(freq),
+ _valid_buffer(false),
+ _buffer(SGSoundMgr::NO_BUFFER),
+ _valid_source(false),
+ _source(SGSoundMgr::NO_SOURCE),
+ _inner_angle(360.0),
+ _outer_angle(360.0),
+ _outer_gain(0.0),
+ _pitch(1.0),
+ _volume(1.0),
+ _master_volume(1.0),
+ _reference_dist(500.0),
+ _max_dist(3000.0),
+ _loop(AL_FALSE),
+ _playing(false),
+ _changed(true),
+ _static_changed(true),
+ _is_file(false)
+{
+ SG_LOG( SG_GENERAL, SG_DEBUG, "In memory sounds sample" );
+ _data = (unsigned char*)*data; *data = NULL;
}
// constructor
-SGSoundSample::SGSoundSample( unsigned char *data, int len, int freq, int format ) :
- _absolute_pos(SGVec3d::zeros().data()),
- _relative_pos(SGVec3f::zeros().data()),
- _base_pos(SGVec3d::zeros().data()),
- _direction(SGVec3f::zeros().data()),
- _velocity(SGVec3f::zeros().data()),
- _data(data),
+SGSoundSample::SGSoundSample( void** data, int len, int freq, int format ) :
+ _absolute_pos(SGVec3d::zeros()),
+ _relative_pos(SGVec3d::zeros()),
+ _direction(SGVec3d::zeros()),
+ _velocity(SGVec3f::zeros()),
+ _orientation(SGQuatd::zeros()),
+ _orivec(SGVec3f::zeros()),
+ _base_pos(SGVec3d::zeros()),
+ _rotation(SGQuatd::zeros()),
+ _refname(random_string()),
_format(format),
_size(len),
_freq(freq),
_static_changed(true),
_is_file(false)
{
- _sample_name = "unknown, data supplied by caller";
SG_LOG( SG_GENERAL, SG_DEBUG, "In memory sounds sample" );
+ _data = (unsigned char*)*data; *data = NULL;
}
// destructor
SGSoundSample::~SGSoundSample() {
+ if ( _data != NULL ) free(_data);
}
-void SGSoundSample::set_base_position( SGVec3d pos ) {
- _base_pos = pos;
- update_absolute_position();
- _changed = true;
-}
+void SGSoundSample::update_pos_and_orientation() {
+
+ _absolute_pos = _base_pos;
+ if (_relative_pos[0] || _relative_pos[1] || _relative_pos[2] ) {
+ _absolute_pos += _rotation.rotate( _relative_pos );
+ }
-void SGSoundSample::set_relative_position( SGVec3f pos ) {
- _relative_pos = pos;
- update_absolute_position();
- _changed = true;
+ _orivec = SGVec3f::zeros();
+ if ( _direction[0] || _direction[1] || _direction[2] ) {
+ _orivec = toVec3f( _rotation.rotate( _direction ) );
+ }
}
-void SGSoundSample::set_orientation( SGVec3f dir ) {
- _direction = dir;
- update_absolute_position();
- _changed = true;
+string SGSoundSample::random_string() {
+ static const char *r = "0123456789abcdefghijklmnopqrstuvwxyz"
+ "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
+ string rstr = "System generated name: ";
+ for (int i=0; i<10; i++) {
+ rstr.push_back( r[rand() % strlen(r)] );
+ }
+
+ return rstr;
}
-void SGSoundSample::update_absolute_position() {
- SGQuatf orient = SGQuatf::fromAngleAxis(_direction);
- SGVec3f modified_relative_pos = orient.transform(_relative_pos);
- _absolute_pos = _base_pos + toVec3d(modified_relative_pos);
+SGPath SGSoundSample::file_path() const
+{
+ if (!_is_file) {
+ return SGPath();
+ }
+
+ return SGPath(_refname);
}
+
+
projects / simgear.git / blobdiff