source/soundscape.cpp

   1 #include "source.h"
   2 #include "soundscape.h"
   3
   4 using namespace std;
   5
   6 namespace Msp {
   7 namespace AL {
   8
   9 SoundScape::SoundScape():
  10         gain(1)
  11 { }
  12
  13 SoundScape::~SoundScape()
  14 {
  15         for(list<Source *>::iterator i=sources.begin(); i!=sources.end(); ++i)
  16                 delete *i;
  17 }
  18
  19 void SoundScape::set_gain(float g)
  20 {
  21         gain = g;
  22         for(list<Source *>::iterator i=sources.begin(); i!=sources.end(); ++i)
  23                 (*i)->set_gain(gain);
  24 }
  25
  26 void SoundScape::add_source(Source &src)
  27 {
  28         sources.push_back(&src);
  29 }
  30
  31 Source &SoundScape::play(const Buffer &buf, float x, float y, float z)
  32 {
  33         Source *src = new Source;
  34         add_source(*src);
  35         src->set_buffer(buf);
  36         src->set_position(x, y, z);
  37         src->set_gain(gain);
  38         src->play();
  39         return *src;
  40 }
  41
  42 void SoundScape::tick()
  43 {
  44         for(list<Source *>::iterator i=sources.begin(); i!=sources.end();)
  45         {
  46                 if((*i)->get_state()==STOPPED)
  47                 {
  48                         delete *i;
  49                         i = sources.erase(i);
  50                 }
  51                 else
  52                         ++i;
  53         }
  54 }
  55
  56 } // namespace AL
  57 } // namespace Msp