WorldContextSet.hpp

#pragma once
 
#include <map>
#include <entt/entt.hpp>
#include <Common/Memory/SmartPointers/UniquePtr.hpp>
#include <Common/HashedString.hpp>
 
#include "WorldContext.hpp"
 
namespace Grindstone {
    class WorldContextSet {
    public:
 
        WorldContextSet(const std::string& name);
 
        WorldContextSet(const WorldContextSet&) = delete;
        WorldContextSet& operator=(const WorldContextSet&) = delete;
 
        WorldContextSet(WorldContextSet&&) noexcept = default;
        WorldContextSet& operator=(WorldContextSet&&) noexcept = default;
 
        virtual ~WorldContextSet();
 
        void Reset();
 
        [[nodiscard]] entt::registry& GetEntityRegistry() {
            return registry;
        }
 
        [[nodiscard]] Grindstone::WorldContext* GetContext(Grindstone::HashedString hashedString) {
            auto it = contexts.find(hashedString);
            if (it == contexts.end()) {
                return nullptr;
            }
 
            return it->second.Get();
        }
 
        [[nodiscard]] const entt::registry& GetEntityRegistry() const {
            return registry;
        }
 
        [[nodiscard]] const Grindstone::WorldContext* GetContext(Grindstone::HashedString hashedString) const {
            auto it = contexts.find(hashedString);
            if (it == contexts.end()) {
                return nullptr;
            }
 
            return it->second.Get();
        }
 
        void Create(Grindstone::HashedString hashedString, Grindstone::UniquePtr<Grindstone::WorldContext>&& cxt) {
            contexts.emplace(hashedString, std::move(cxt));
        }
 
        void Remove(Grindstone::HashedString hashedString) {
            contexts.erase(hashedString);
        }
 
    protected:
        std::string name;
        entt::registry registry;
        std::map<Grindstone::HashedString, Grindstone::UniquePtr<Grindstone::WorldContext>> contexts;
    };
}