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SoundManager.cpp
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SoundManager.cpp
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/* ***************************************************************
*
* File : SoundManager.cpp
*
* Author : Tiberiu Popa
* J. Alexander Clarke
* Date : June 18th, 2002
*
* Modified:
*
* Purpose: Implementation of the sound manager
*
* ****************************************************************/
#pragma implementation
#include "SoundManager.h"
#include <stdlib.h>
SoundManager SM;
SoundManager::SoundManager(){
nSounds = 0;
nMusics = 0;
// initialize the sound library
SDL_Init(SDL_INIT_AUDIO /*| SDL_INIT_VIDEO */);
/* sound setup */
int audio_rate = 22050;
Uint16 audio_format = AUDIO_S16;
int audio_channels = 2;
int audio_buffers = 4096;
// open the audio stream
if(Mix_OpenAudio(audio_rate, audio_format, audio_channels, audio_buffers)) {
//printf("Unable to open audio!\n");
exit(1);
}
}
SoundManager::~SoundManager(){
}
/* *************** Manipulate Sound Chunks *******************/
int SoundManager::ResetSound(int snd){
if(snd<0 || snd>=nSounds) return -1;
Mix_HaltChannel(channel[snd]);
channel[snd] = -1;
return 0;
}
int SoundManager::LoadSound(char* file){
chunks[nSounds] = Mix_LoadWAV(file);
channel[nSounds] = -1;
nSounds+=1;
return nSounds - 1;
}
int SoundManager::PlaySound(int snd){
if(snd<0 && snd>=nSounds) return -1;
channel[snd] = Mix_PlayChannel(-1, chunks[snd], 0 /*-1*/);
return 0;
}
int SoundManager::StopSound(int snd){
if(snd<0 && snd>=nSounds) return -1;
ResetSound(snd);
return 0;
}
int SoundManager::PauseSound(int snd){
if(snd<0 && snd>=nSounds) return -1;
Mix_Pause(channel[snd]);
return 0;
}
int SoundManager::ResumeSound(int snd){
if(snd<0 && snd>=nSounds) return -1;
Mix_Resume(channel[snd]);
return 0;
}
/* *************** Manipulate Music *******************/
int SoundManager::ResetMusic(int snd){
if(snd<0 || snd>=nMusics) return -1;
Mix_HaltMusic();
return 0;
}
int SoundManager::LoadMusic(char* file){
music[nMusics] = Mix_LoadMUS(file);
nMusics+=1;
return nMusics - 1;
}
int SoundManager::PlayMusic(int snd){
if(snd<0 && snd>=nMusics) return -1;
Mix_PlayMusic(music[snd], 1 /*-1*/);
return 0;
}
int SoundManager::StopMusic(int snd){
if(snd<0 && snd>=nMusics) return -1;
ResetMusic(snd);
return 0;
}
int SoundManager::PauseMusic(int snd){
if(snd<0 && snd>=nMusics) return -1;
Mix_PauseMusic();
return 0;
}
int SoundManager::ResumeMusic(int snd){
if(snd<0 && snd>=nMusics) return -1;
Mix_ResumeMusic();
return 0;
}