#ifndef GAME_SOUNDBLASTER_H
#define GAME_SOUNDBLASTER_H

#ifdef BUILD_SDL
#include <SDL.h>
#else
#include <dpmi.h>
#endif
#include <cstdint>

#define SB_BUFFER_SIZE 1024
#define SB_BUFFERS 32
#define SB_DMA_BUFFER_SIZE (SB_BUFFER_SIZE * 4)

class SoundBlaster {
public:
    SoundBlaster();
    ~SoundBlaster();

private:
    friend void soundblasterIsr();
    void onInterrupt();

#ifdef BUILD_SDL
#else
    _go32_dpmi_seginfo _dmaBuffer{};
    uint8_t (*_buffers)[SB_BUFFER_SIZE]{};
    uint8_t _dmaPage{0};
    uint16_t _dmaOffset{0};
    unsigned _nextBufferReadIndex{0};
    unsigned _nextBufferWriteIndex{0};
#endif
};

extern SoundBlaster soundblaster;

#endif //GAME_SOUNDBLASTER_H