audio_utils.h

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#ifndef AUDIO_UTILS_H
#define AUDIO_UTILS_H
 
#include "game_variables.h"
 
#include <mm_types.h>
 
#define MM_MODULE_FULL_VOLUME 1024
 
#define MM_SFX_FULL_VOLUME 255
 
#define MM_PAN_CENTER 128
 
#define MM_BASE_PITCH_RATE 1024
 
#define SFX_DEFAULT_VOLUME MM_SFX_FULL_VOLUME
 
#define SFX_DEFAULT_PAN MM_PAN_CENTER
 
#define GBAL_MM_NUM_CHANNELS 14
 
void play_sfx(mm_word id, mm_word rate, mm_byte volume);
 
void play_lose_music(void);
 
void play_regular_music(void);
 
void set_volume(int volume);
 
inline int volume_module_step_to_val(unsigned char step)
{
    return MM_MODULE_FULL_VOLUME * step / VOLUME_OPTION_MAX;
}
 
#endif