music.h

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#pragma once
 
#include <cstdint>
#include <vector>
 
#include "patternlist.h"
 
namespace Dx8 {
 
class PatternList;
 
class Music final {
  public:
    Music()=default;
 
    void   addPattern(const PatternList& list);
    void   addPattern(const PatternList& list,size_t id);
 
    void   clear() { impl->pptn.clear(); }
    size_t size() const { return impl->pptn.size(); }
 
    void   setVolume(float v);
 
  private:
    using Pattern = std::shared_ptr<PatternList::PatternInternal>;
    using Groove  = PatternList::Groove;
 
    struct Internal {
      Internal()=default;
      Internal(const Internal& other);
 
      std::vector<Pattern> pptn;
      std::vector<Groove>  groove;
 
      std::atomic<float>   volume{1.f};
      uint64_t             timeTotal=0;
      };
    std::shared_ptr<Internal> impl = std::make_shared<Internal>();
 
  friend class Mixer;
  };
}