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/***************************************************************************
SoundUtil.h - description
-------------------
begin : Thu Jan 11 2001
copyright : (C) 2001 by Henrik Enqvist, GPL
email : henqvist@excite.com
***************************************************************************/
#ifndef SOUNDUTIL_H
#define SOUNDUTIL_H
#include <string>
#include <map>
#include <vector>
#ifndef PRIVATE_H
#error Must include Private.h before SoundUtil.h
#endif
#if EM_USE_SDL
#include <SDL.h>
#include <SDL_mixer.h>
#define EmSample Mix_Chunk
#define EmMusic Mix_Music
#define EM_AUDIO_FREQ 22050
#define EM_AUDIO_FORMAT AUDIO_S16
#define EM_AUDIO_CHANNELS 2
#endif // EM_USE_SDL
#if EM_USE_ALLEGRO
#include <allegro.h>
#define EmSample SAMPLE
#define EmMusic MIDI
#endif
/** Singleton class for loading and playing samples */
class SoundUtil {
protected:
SoundUtil();
public:
~SoundUtil();
static SoundUtil* getInstance();
/** Initializes the sound system. Used by Engine constructor.
** You don't need this use the Config class to turn on/off sound.
** @see Config */
int initSound();
/** Shuts down sound system. Used by Engine::stopEngine.
** You don't need this use the Config class to turn on/off sound.
** @see Config */
void stopSound();
void applyConfigVolume();
// TODO
void freeSounds();
/** Loads a wave file. Returns the identifier of the sound, used for playback.
** Returns -1 if it fails to load the wave file. */
int loadSample(const char * filename);
/** Loads a midi file. Returns the identifier of the sound, used for playback.
** Returns -1 if it fails to load the midi file. */
int loadMusic(const char * filename);
void playSample(int sound, bool loop);
void playMusic(int sound, bool loop);
void stopMusic();
void pauseMusic();
void resumeMusic();
const char * getSoundName(int sound);
const char * getMusicName(int music);
private:
bool m_bInited;
int m_iLoopingMusic;
vector<EmSample*> m_vEmSample;
vector<EmMusic*> m_vEmMusic;
map<string, int> m_hEmSample;
map<string, int> m_hEmMusic;
map<int, string> m_hSoundName;
map<int, string> m_hMusicName;
static SoundUtil* p_SoundUtil;
};
#endif
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