#include <config.h>
#include <math.h>
+#include <stdexcept>
+#include <iostream>
-#include "ambient_sound.h"
-#include "object_factory.h"
-#include "lisp/lisp.h"
-#include "sector.h"
+#include "ambient_sound.hpp"
+#include "object_factory.hpp"
+#include "lisp/lisp.hpp"
+#include "sector.hpp"
+#include "audio/sound_manager.hpp"
+#include "audio/sound_source.hpp"
AmbientSound::AmbientSound(const lisp::Lisp& lisp)
{
-
position.x=0;
position.y=0;
lisp.get("sample" ,sample );
lisp.get("volume" ,maximumvolume );
+ // set dimension to zero if smaller than 64, which is default size in flexlay
+
+ if ((dimension.x <= 64) || (dimension.y <= 64)) {
+ dimension.x = 0;
+ dimension.y = 0;
+ }
+
// square all distances (saves us a sqrt later)
distance_bias*=distance_bias;
lisp.get("silence_distance",silence_distance);
- playing=-1; // not playing at the beginning
+ sound_source = 0; // not playing at the beginning
+ latency=0;
+}
+
+AmbientSound::AmbientSound(Vector pos, float factor, float bias, float vol, std::string file)
+{
+ position.x=pos.x;
+ position.y=pos.y;
+
+ dimension.x=0;
+ dimension.y=0;
+
+ distance_factor=factor*factor;
+ distance_bias=bias*bias;
+ maximumvolume=vol;
+ sample=file;
+
+ // set default silence_distance
+
+ if (distance_factor == 0)
+ silence_distance = 10e99;
+ else
+ silence_distance = 1/distance_factor;
+
+ sound_source = 0; // not playing at the beginning
latency=0;
}
void
AmbientSound::stop_playing() {
- if (playing>=0) {
- Mix_HaltChannel(playing);
- playing=-1;
- }
+ delete sound_source;
+ sound_source = 0;
}
void
AmbientSound::start_playing()
{
- playing=sound_manager->play_sound(sample,-1);
- Mix_Volume(playing,0);
- currentvolume=targetvolume=1e-20;
+ try {
+ std::string filename = "sounds/";
+ filename += sample;
+ filename += ".wav";
+ sound_source = sound_manager->create_sound_source(filename);
+ if(!sound_source)
+ throw std::runtime_error("file not found");
+
+ sound_source->set_gain(0);
+ sound_source->set_looping(true);
+ currentvolume=targetvolume=1e-20;
+ sound_source->play();
+ } catch(std::exception& e) {
+ std::cerr << "Couldn't play '" << sample << "': " << e.what() << "\n";
+ delete sound_source;
+ sound_source = 0;
+ }
}
void
currentvolume*=pow(rise,deltat*10);
currentvolume += 1e-6; // volume is at least 1e-6 (0 would never rise)
- if (playing>=0) {
+ if (sound_source != 0) {
// set the volume
- Mix_Volume(playing,(int)(currentvolume*maximumvolume*MIX_MAX_VOLUME));
+ sound_source->set_gain(currentvolume*maximumvolume);
if (sqrdistance>=silence_distance && currentvolume<1e-3)
stop_playing();