sound.cpp

#include <string>
#include <iostream>
#include <ctime>
#include "sound.h"
using std::string;



SDLSound::~SDLSound() {
  std::cout << "Cleaning up sounds ..." << std::endl;
  std::clock_t start = std::clock();
  Mix_HaltMusic();
  Mix_FreeMusic(music);
  for (unsigned int i = 0; i < sounds.size(); ++i) {
    Mix_FreeChunk(sounds[i]);
  }
  Mix_CloseAudio();
  std::clock_t duration = std::clock() - start;
  std::cout << "Clean up took " << duration << " ticks\n";
}

SDLSound::SDLSound() :
  volume(SDL_MIX_MAXVOLUME/2),
  currentSound(-1),
  music(NULL),
  audioRate(22050),
  audioChannels(2),
  audioBuffers(4096),
  sounds(),
  channels()
{

  if(Mix_OpenAudio(audioRate, MIX_DEFAULT_FORMAT, audioChannels,
                   audioBuffers)){
    throw string("Unable to open audio!");
  }
  music = Mix_LoadMUS("sounds/pinaColada.mp3");
  // Need to install midi to play the following:
  // music = Mix_LoadMUS("sound/ballad2.mid");
  if (!music) throw string("Couldn't load song.wav")+Mix_GetError();

  startMusic();
//1:11
  sounds.push_back( Mix_LoadWAV("sounds/crabDie.wav") );
  sounds.push_back( Mix_LoadWAV("sounds/ow.wav") );
  sounds.push_back( Mix_LoadWAV("sounds/ploppp.wav") );

  for (unsigned int i = 0; i < sounds.size(); ++i) channels.push_back(i);
  std::cout << "Music and Sound is loaded" << std::endl;
}

void SDLSound::toggleMusic() {
  if( Mix_PausedMusic() ) {
    Mix_ResumeMusic();
  }
  else {
    Mix_PauseMusic();
  }
}


void SDLSound::operator[](int index) {
  if (currentSound >= 0) Mix_HaltChannel(currentSound);
  currentSound = index;
  Mix_VolumeChunk(sounds[index], volume);
  channels[index] =
     Mix_PlayChannel(-1, sounds[index], 0);
}

void SDLSound::startMusic() {
  Mix_VolumeMusic(volume);
  Mix_PlayMusic(music, -1);
}

void SDLSound::stopMusic() {
  Mix_RewindMusic();
}

void SDLSound::restartMusic() {
    music = Mix_LoadMUS("sounds/pinaColada.mp3");
    startMusic();
}