sound_instance.h

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#pragma once
 
#include <engine/audio/sound/resource/sound_resource.h>
 
#include <memory>
#include <string>
 
class SoundInstance {
 public:
  explicit SoundInstance(std::shared_ptr<SoundResource> resource,
                         float volume = 1.0f);
  virtual ~SoundInstance() = default;
 
  virtual void play() {}
  virtual void pause() {}
  virtual void resume() {}
  virtual void stop() {}
 
  [[nodiscard]] virtual bool is_playing() const noexcept;
  [[nodiscard]] virtual bool is_paused() const noexcept;
  [[nodiscard]] virtual bool is_finished();
 
  [[nodiscard]] const std::shared_ptr<SoundResource>& resource() const noexcept;
  [[nodiscard]] float volume() const noexcept;
  void volume(float volume) noexcept;
 
  [[nodiscard]] bool finished() const noexcept;
  void finished(bool finished) noexcept;
 
  [[nodiscard]] bool loop() const noexcept;
  void loop(bool loop) noexcept;
 
 protected:
  std::shared_ptr<SoundResource> resource_;
 
  bool loop_{false};
  bool playing_{false};
  bool paused_{false};
  bool finished_{false};
  float volume_{1.0f};
};