component_lists.hpp

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#pragma once
#include <optional>
 
 
enum class ComponentListType {
  kCompact,  
  kSparse    
};
 
class ComponentListBase {
public:
  friend class ComponentManager;
 
  ComponentListBase(ComponentListType t) : type_{t} {}
 
  ComponentListType type_;
 
  virtual ~ComponentListBase() = default;
  ComponentListBase(const ComponentListBase& o ) = delete;
  ComponentListBase(ComponentListBase&& o) = delete;
  ComponentListBase& operator= (const ComponentListBase& o) = delete;
  ComponentListBase& operator= (ComponentListBase&& o) = delete;
 
protected:
  virtual bool addEntity(unsigned e) = 0;
 
 
  virtual bool moveComponent(unsigned src, unsigned dst) = 0;
 
  virtual bool removeComponent(unsigned e) = 0;
};