soundbuffer.h

#pragma once
#include "AL/al.h"
#include "AL/alc.h"
#include <string>
#include <optional>
 
/*
* Struct that holds the RIFF data of the Wave file.
* The RIFF data is the meta data information that holds,
* the ID, size and format of the wave file
*/
struct RIFF_Header {
    char chunkID[4];
    long chunkSize;  //size not including chunkSize or chunkID
    char format[4];
};
 
/*
* Struct to hold fmt subchunk data for WAVE files.
*/
struct WAVE_Format {
    char subChunkID[4];
    long subChunkSize;
    short audioFormat;
    short numChannels;
    long sampleRate;
    long byteRate;
    short blockAlign;
    short bitsPerSample;
};
 
/*
* Struct to hold the data of the wave file
*/
struct WAVE_Data {
    char subChunkID[4];  //should contain the word data
    long subChunk2Size;  //Stores the size of the data block
};
 
struct  SoundData {
  ALsizei size_;
  ALsizei frequency_;
  ALenum format_;
  std::string name_;
 
  FILE* soundFile = NULL;
  WAVE_Format wave_format;
  RIFF_Header riff_header;
  WAVE_Data wave_data;
 
  unsigned char* data;
};
 
class ResourceManager;
 
class SoundBuffer {
 public:
  static std::optional<SoundBuffer> MakeBuffer(const std::string filename,
                                             const std::string name);
  bool createSoundBuffer(ResourceManager& e);
  SoundBuffer(SoundBuffer&& b) noexcept;
  SoundBuffer(const SoundBuffer& b) = default;
  SoundBuffer& operator=(SoundBuffer& other) = default;
  SoundBuffer& operator=(SoundBuffer&& other) = default;
  ALuint getBuffer() const;
  int Fequency();
  int Size();
  int Format();
 
  SoundBuffer(ALuint id, SoundData data);
  ~SoundBuffer();
 
  bool active_;
 
 private:
  SoundBuffer() = default;
  
 
  ALuint buffer_;
  SoundData sound_info_;
 
};