njin_prefab.h

#pragma once
#include "_comps.h"
#include "_types.h"
#include <entt/entity/fwd.hpp>
 
namespace njin {
struct context;


using prefab_fnc = void (*)(context &ctx, entt::entity entity);

struct prefab_desc {
  const char *name = nullptr; 
  prefab_fnc build = nullptr; 
  bool scene_owned = true;
};

prefab_handle prefab_register(context &ctx, const prefab_desc &desc);

prefab_handle prefab_find(const context &ctx, const char *name);

entt::entity prefab_spawn(context &ctx, prefab_handle prefab,
                          const transform &at = {});

entt::entity prefab_spawn(context &ctx, const char *name,
                          const transform &at = {});

entt::entity prefab_spawn_child(context &ctx, prefab_handle prefab,
                                entt::entity parent,
                                const transform &local = {});
} // namespace njin