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/home/rdbrown/doxygen/cse125g1/src/game/client/Music.cpp

#include "tnl/tnlThread.h"
#include "tnl/tnlRandom.h"
#include "Music.h"
#include "audio/audio.h"
#include "resources/resources.h"

using namespace TNL;
using namespace MMAudio;

#define SLEEP_TIME 100
#define DELAY 300

static char *birdfn = 0, *musicfn[2] = {0, 0};

class MusicThread : public Thread {
  bool started;
  bool playing;
  bool music;
  unsigned int delay;
  Stream* streams[2];
  
public:
  MusicThread() {
        started = 0;
        playing = 0;
        streams[0] = streams[1] = 0;
  }

  virtual ~MusicThread() {
        stop();
  }

  void stop() {
        if (streams[0]) {
          delete streams[0];
          streams[0] = 0;
        }
        if (streams[1]) {
          delete streams[1];
          streams[1] = 0;
        }
        playing = 0;
  }

  void playMusic(unsigned song) {
        if (!started) {
          started = true;
          start();
        }
        if (playing && music)
          return;
        else if (playing && !music)
          stop();
        music = true;
        if (!musicfn[0]) {
          musicfn[0] = resFindResource("sounds/music.ogg");
          musicfn[1] = resFindResource("sounds/tights.ogg");
        }
        streams[0] = new Stream(musicfn[song]);
        streams[0]->play();
        playing = true;
  }
  
  void playBirds() {
        if (!started) {
          started = true;
          start();
        }
        if (playing && music)
          stop();
        else if (playing && !music)
          return;
        music = false;
        if (!birdfn) {
          birdfn = resFindResource("sounds/birds1.ogg");
        }
        for (int i = 0; i < 2; i++) {
          streams[i] = new Stream(birdfn);
          streams[i]->getSource().setRolloff(.1);
          streams[i]->getSource().setGain(5);
          streams[i]->getSource().setPosition(Vector3(Random::readF()*200,
                                                                                                   Random::readF()*30,
                                                                                                   Random::readF()*200));
        }
        delay = DELAY;
        streams[0]->play();
        playing = true;
  }

  U32 run() {
        while (1) {
          if (playing) {
                if (!music) {
                  if ((delay <= DELAY) &&
                          (--delay == 0)) {
                        streams[1]->play();
                  }
                }
                for (int i = 0; i < 2; i++) {
                  if (streams[i]) {
                        if (!streams[i]->update()) {
                          streams[i]->rewind();
                          if (!music)
                                streams[i]->getSource().setPosition(Vector3(Random::readF()*200,
                                                                                                                         Random::readF()*30,
                                                                                                                         Random::readF()*200));
                        }
                  }
                }
          }
          Platform::sleep(SLEEP_TIME);
        }
        return 0;
  }
};

static MusicThread musicthread;

void playMusic(unsigned song) {
  musicthread.playMusic(song);
}
void playBirds() {
  musicthread.playBirds();
}
void stopMusic() {
  musicthread.stop();
}

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