Command.hpp

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#pragma once
 
#include <functional>
#include <unordered_map>
#include <vector>
 
#include "EntityManager.hpp"
#include "SD/core/type_id.hpp"
#include "SD/core/types.hpp"
#include "SD/utils/serialization.hpp"
 
namespace sd {
 
struct CommandQueue;
 
struct EntityHandle {
  U32 id;
 
  [[nodiscard]] bool is_valid() const { return id != 0; }
 
  bool operator==(const EntityHandle& other) const { return id == other.id; }
  bool operator!=(const EntityHandle& other) const { return !(*this == other); }
};
 
struct CommandNode {
  U64   type_id;
  void* data;
 
  void (*execute_fn)(void* data, EntityManager<ComponentGroup<>>& em, CommandQueue& queue);
  void (*serialize_fn)(void* data, Serializer& s);
  void (*deserialize_fn)(void* data, Serializer& s);
};
 
} // namespace sd
 
template<>
struct std::hash<sd::EntityHandle> {
  inline std::size_t operator()(sd::EntityHandle h) const noexcept {
    return std::hash<U32>{}(h.id);
  }
};