-// fg_sound.hxx -- Sound class implementation
+// fg_sound.cxx -- Sound class implementation
//
// Started by Erik Hofman, February 2002
// (Reuses some code from fg_fx.cxx created by David Megginson)
#include <string.h>
#include <simgear/debug/logstream.hxx>
+#include <simgear/math/sg_random.h>
#include <Main/fg_props.hxx>
#include "fg_sound.hxx"
-// static double _fg_lin(double v) { return v; };
-static double _fg_inv(double v) { return (v == 0) ? 1e99 : 1/v; };
-static double _fg_abs(double v) { return (v >= 0) ? v : -v; };
-static double _fg_sqrt(double v) { return (v < 0) ? sqrt(-v) : sqrt(v); };
-static double _fg_log10(double v) { return (v < 1) ? 0 : log10(v); };
-static double _fg_log(double v) { return (v < 1) ? 0 : log(v); };
-// static double _fg_sqr(double v) { return pow(v, 2); };
-// static double _fg_pow3(double v) { return pow(v, 3); };
+// static double _fg_lin(double v) { return v; }
+static double _fg_inv(double v) { return (v == 0) ? 1e99 : 1/v; }
+static double _fg_abs(double v) { return (v >= 0) ? v : -v; }
+static double _fg_sqrt(double v) { return (v < 0) ? sqrt(-v) : sqrt(v); }
+static double _fg_log10(double v) { return (v < 1) ? 0 : log10(v); }
+static double _fg_log(double v) { return (v < 1) ? 0 : log(v); }
+// static double _fg_sqr(double v) { return pow(v, 2); }
+// static double _fg_pow3(double v) { return pow(v, 3); }
static const struct {
char *name;
};
FGSound::FGSound()
- : _condition(NULL),
+ : _sample(NULL),
+ _active(false),
+ _condition(NULL),
_property(NULL),
- _sample(NULL),
- _mode(FGSound::ONCE),
+ _dt_play(0.0),
+ _dt_stop(0.0),
_prev_value(0),
- _name("")
+ _name(""),
+ _mode(FGSound::ONCE)
{
}
FGSound::~FGSound()
{
- delete _condition;
+ if (_property)
+ delete _property;
+
+ if (_condition)
+ delete _condition;
+
delete _sample;
}
// set global sound properties
//
- _name = node->getStringValue("name");
+ _name = node->getStringValue("name", "");
SG_LOG(SG_GENERAL, SG_INFO, "Loading sound information for: " << _name );
- const char *mode_str = node->getStringValue("mode");
+ const char *mode_str = node->getStringValue("mode", "");
if ( !strcmp(mode_str, "looped") ) {
_mode = FGSound::LOOPED;
SG_LOG(SG_GENERAL,SG_INFO, " Unknown sound mode, default to 'once'");
}
- _property = fgGetNode(node->getStringValue("property"), true);
+ _property = fgGetNode(node->getStringValue("property", ""), true);
SGPropertyNode *condition = node->getChild("condition");
if (condition != NULL)
_condition = fgReadCondition(condition);
//
unsigned int i;
float v = 0.0;
- vector<SGPropertyNode *> kids = node->getChildren("volume");
+ vector<SGPropertyNode_ptr> kids = node->getChildren("volume");
for (i = 0; (i < kids.size()) && (i < FGSound::MAXPROP); i++) {
- _snd_prop volume;
+ _snd_prop volume = {NULL, NULL, NULL, 1.0, 0.0, 0.0, 0.0, false};
- volume.prop = fgGetNode(kids[i]->getStringValue("property"), true);
+ if (strcmp(kids[i]->getStringValue("property"), ""))
+ volume.prop = fgGetNode(kids[i]->getStringValue("property", ""), true);
- if ((volume.factor = kids[i]->getDoubleValue("factor")) == 0.0)
- volume.factor = 1.0;
+ const char *intern_str = kids[i]->getStringValue("internal", "");
+ if (!strcmp(intern_str, "dt_play"))
+ volume.intern = &_dt_play;
+ else if (!strcmp(intern_str, "dt_stop"))
+ volume.intern = &_dt_stop;
+ else if (!strcmp(intern_str, "random"))
+ volume.intern = &_random;
- else
+ if ((volume.factor = kids[i]->getDoubleValue("factor", 1.0)) != 0.0)
if (volume.factor < 0.0) {
volume.factor = -volume.factor;
volume.subtract = true;
+ }
- } else
- volume.subtract = false;
-
- volume.fn = NULL;
- const char *type_str = kids[i]->getStringValue("type");
+ const char *type_str = kids[i]->getStringValue("type", "");
if ( strcmp(type_str, "") ) {
for (int j=0; __fg_snd_fn[j].fn; j++)
" Unknown volume type, default to 'lin'");
}
- volume.offset = kids[i]->getDoubleValue("offset");
+ volume.offset = kids[i]->getDoubleValue("offset", 0.0);
- if ((volume.min = kids[i]->getDoubleValue("min")) < 0.0) {
+ if ((volume.min = kids[i]->getDoubleValue("min", 0.0)) < 0.0)
SG_LOG( SG_GENERAL, SG_WARN,
"Volume minimum value below 0. Forced to 0.");
- volume.min = 0.0;
- }
-
- volume.max = kids[i]->getDoubleValue("max");
- if (volume.max && (volume.max < volume.min) ) {
+ volume.max = kids[i]->getDoubleValue("max", 0.0);
+ if (volume.max && (volume.max < volume.min) )
SG_LOG(SG_GENERAL,SG_ALERT,
" Volume maximum below minimum. Neglected.");
- volume.max = 0.0;
- }
-
_volume.push_back(volume);
v += volume.offset;
float p = 0.0;
kids = node->getChildren("pitch");
for (i = 0; (i < kids.size()) && (i < FGSound::MAXPROP); i++) {
- _snd_prop pitch;
+ _snd_prop pitch = {NULL, NULL, NULL, 1.0, 1.0, 0.0, 0.0, false};
- pitch.prop = fgGetNode(kids[i]->getStringValue("property"), true);
+ if (strcmp(kids[i]->getStringValue("property", ""), ""))
+ pitch.prop = fgGetNode(kids[i]->getStringValue("property", ""), true);
- if ((pitch.factor = kids[i]->getDoubleValue("factor")) == 0.0)
- pitch.factor = 1.0;
+ const char *intern_str = kids[i]->getStringValue("internal", "");
+ if (!strcmp(intern_str, "dt_play"))
+ pitch.intern = &_dt_play;
+ else if (!strcmp(intern_str, "dt_stop"))
+ pitch.intern = &_dt_stop;
- else
+ if ((pitch.factor = kids[i]->getDoubleValue("factor", 1.0)) != 0.0)
if (pitch.factor < 0.0) {
pitch.factor = -pitch.factor;
pitch.subtract = true;
+ }
- } else
- pitch.subtract = false;
-
- pitch.fn = NULL;
- const char *type_str = kids[i]->getStringValue("type");
+ const char *type_str = kids[i]->getStringValue("type", "");
if ( strcmp(type_str, "") ) {
for (int j=0; __fg_snd_fn[j].fn; j++)
" Unknown pitch type, default to 'lin'");
}
- if ((pitch.offset = kids[i]->getDoubleValue("offset")) == 0.0)
- pitch.offset = 1.0;
+ pitch.offset = kids[i]->getDoubleValue("offset", 1.0);
- if ((pitch.min = kids[i]->getDoubleValue("min")) < 0.0) {
+ if ((pitch.min = kids[i]->getDoubleValue("min", 0.0)) < 0.0)
SG_LOG(SG_GENERAL,SG_WARN,
" Pitch minimum value below 0. Forced to 0.");
- pitch.min = 0.0;
- }
-
- pitch.max = kids[i]->getDoubleValue("max");
- if (pitch.max && (pitch.max < pitch.min) ) {
+ pitch.max = kids[i]->getDoubleValue("max", 0.0);
+ if (pitch.max && (pitch.max < pitch.min) )
SG_LOG(SG_GENERAL,SG_ALERT,
" Pitch maximum below minimum. Neglected");
- pitch.max = 0.0;
- }
-
_pitch.push_back(pitch);
p += pitch.offset;
}
//
_mgr = globals->get_soundmgr();
if ((_sample = _mgr->find(_name)) == NULL)
- _sample = _mgr->add(_name, node->getStringValue("path"));
+ _sample = _mgr->add(_name, node->getStringValue("path", ""));
_sample->set_volume(v);
_sample->set_pitch(p);
}
void
-FGSound::update (int dt)
+FGSound::update (double dt)
{
double curr_value = 0.0;
if ( // Lisp, anyone?
(_condition && !_condition->test()) ||
- (_property &&
+ (!_condition && _property &&
(
!curr_value ||
( (_mode == FGSound::IN_TRANSIT) && (curr_value == _prev_value) )
{
_active = false;
+ _dt_stop += dt;
+ _dt_play = 0.0;
+
if (_sample->is_playing()) {
- SG_LOG(SG_GENERAL, SG_INFO, "Stopping sound: " << _name);
+ SG_LOG(SG_GENERAL, SG_INFO, "Stopping audio after " << _dt_play
+ << " sec: " << _name );
_sample->stop( _mgr->get_scheduler() );
}
// If the mode is ONCE and the sound is still playing,
// we have nothing to do anymore.
//
- if (_active && (_mode == FGSound::ONCE))
+ if (_active && (_mode == FGSound::ONCE)) {
+
+ if (!_sample->is_playing()) {
+ _dt_stop += dt;
+ _dt_play = 0.0;
+
+ } else
+ _dt_play += dt;
+
return;
+ }
//
- // Cache current value;
+ // Update playtime, cache the current value and feed the random number
//
+ _dt_play += dt;
_prev_value = curr_value;
+ _random = sg_random();
//
// Update the volume
double volume_offset = 0.0;
for(i = 0; i < max; i++) {
- double v = _volume[i].prop->getDoubleValue();
+ double v = 1.0;
+
+ if (_volume[i].prop)
+ v = _volume[i].prop->getDoubleValue();
+
+ else if (_volume[i].intern)
+ v = *_volume[i].intern;
if (_volume[i].fn)
v = _volume[i].fn(v);
double pitch_offset = 0.0;
for(i = 0; i < max; i++) {
- double p = _pitch[i].prop->getDoubleValue();
+ double p = 1.0;
+
+ if (_pitch[i].prop)
+ p = _pitch[i].prop->getDoubleValue();
+
+ else if (_pitch[i].intern)
+ p = *_pitch[i].intern;
if (_pitch[i].fn)
p = _pitch[i].fn(p);
//
if (!_active) {
- _active = true;
if (_mode == FGSound::ONCE)
_sample->play(_mgr->get_scheduler(), false);
else
_sample->play(_mgr->get_scheduler(), true);
- SG_LOG(SG_GENERAL, SG_INFO, "Starting audio playback for: " << _name);
+ SG_LOG(SG_GENERAL, SG_INFO, "Playing audio after " << _dt_stop
+ << " sec: " << _name);
SG_LOG(SG_GENERAL, SG_BULK,
"Playing " << ((_mode == ONCE) ? "once" : "looped"));
+
+ _active = true;
+ _dt_stop = 0.0;
}
}
projects / flightgear.git / blobdiff