scene_serializer.h

#pragma once
 
#include <string>
#include <vector>
 
#include <nlohmann/json_fwd.hpp>
 
#include "ecs/component/core/missing_assets.h"
#include "ecs/entity.h"
#include "ecs/entity_mapping.h"
#include "io/scene/prefab.h"
 
namespace Vkm::Engine {
 
class Scene;
class ResourceManager;

namespace SceneSerializer {
    void saveComponents(
        const Scene& scene,
        EntityId id,
        nlohmann::json& out,
        const ResourceManager& resources
    );

    void saveComponents(
        const Scene& scene,
        EntityId id,
        nlohmann::json& out,
        const ResourceManager& resources,
        const EntityNamer& name
    );

    void loadComponents(
        const nlohmann::json& src,
        Scene& scene,
        EntityId entity,
        const ResourceManager& resources,
        const EntityResolver& resolve
    );

    [[nodiscard]] bool save(const Scene& scene, const ResourceManager& resources, const std::string& path);

    [[nodiscard]] bool load(Scene& scene, ResourceManager& resources, const std::string& path);

    std::vector<MissingAssetRef> unresolvedRefs(
        const Scene& scene,
        const ResourceManager& resources,
        EntityId id
    );

    std::string saveToString(const Scene& scene, const ResourceManager& resources);

    [[nodiscard]] bool loadFromString(
        const std::string& text,
        Scene& scene,
        ResourceManager& resources,
        const Prefab::InstanceSlots* instanceSlots = nullptr
    );
 
} // namespace SceneSerializer
 
} // namespace Vkm::Engine