131 lines
3.5 KiB
C++
131 lines
3.5 KiB
C++
// Copyright (C) 2017 Jérôme Leclercq
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// This file is part of the "Nazara Development Kit"
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// For conditions of distribution and use, see copyright notice in Prerequisites.hpp
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#pragma once
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#ifndef NDK_WORLD_HPP
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#define NDK_WORLD_HPP
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#include <Nazara/Core/Bitset.hpp>
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#include <Nazara/Core/HandledObject.hpp>
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#include <NDK/Entity.hpp>
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#include <NDK/EntityList.hpp>
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#include <NDK/System.hpp>
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#include <algorithm>
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#include <memory>
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#include <vector>
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namespace Ndk
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{
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class World;
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using WorldHandle = Nz::ObjectHandle<World>;
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class NDK_API World : public Nz::HandledObject<World>
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{
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friend BaseSystem;
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friend Entity;
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public:
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using EntityVector = std::vector<EntityHandle>;
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struct ProfilerData;
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inline World(bool addDefaultSystems = true);
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World(const World&) = delete;
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inline World(World&& world) noexcept;
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~World() noexcept;
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void AddDefaultSystems();
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inline BaseSystem& AddSystem(std::unique_ptr<BaseSystem>&& system);
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template<typename SystemType, typename... Args> SystemType& AddSystem(Args&&... args);
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const EntityHandle& CreateEntity();
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inline EntityVector CreateEntities(unsigned int count);
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void Clear() noexcept;
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const EntityHandle& CloneEntity(EntityId id);
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inline void DisableProfiler();
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inline void EnableProfiler(bool enable = true);
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template<typename F> void ForEachSystem(const F& iterationFunc);
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template<typename F> void ForEachSystem(const F& iterationFunc) const;
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inline const EntityHandle& GetEntity(EntityId id);
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inline const EntityList& GetEntities() const;
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inline const ProfilerData& GetProfilerData() const;
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inline BaseSystem& GetSystem(SystemIndex index);
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inline const BaseSystem& GetSystem(SystemIndex index) const;
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template<typename SystemType> SystemType& GetSystem();
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template<typename SystemType> const SystemType& GetSystem() const;
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inline bool HasSystem(SystemIndex index) const;
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template<typename SystemType> bool HasSystem() const;
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inline void KillEntity(Entity* entity);
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inline void KillEntities(const EntityVector& list);
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inline bool IsEntityValid(const Entity* entity) const;
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inline bool IsEntityIdValid(EntityId id) const;
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inline bool IsProfilerEnabled() const;
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void Refresh();
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inline void RemoveAllSystems();
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inline void RemoveSystem(SystemIndex index);
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template<typename SystemType> void RemoveSystem();
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inline void ResetProfiler();
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void Update(float elapsedTime);
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World& operator=(const World&) = delete;
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inline World& operator=(World&& world) noexcept;
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struct ProfilerData
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{
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Nz::UInt64 refreshTime = 0;
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std::vector<Nz::UInt64> updateTime;
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std::size_t updateCount = 0;
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};
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private:
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inline void Invalidate();
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inline void Invalidate(EntityId id);
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inline void InvalidateSystemOrder();
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void ReorderSystems();
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struct EntityBlock
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{
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EntityBlock(Entity&& e) :
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entity(std::move(e)),
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handle(&entity)
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{
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}
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EntityBlock(EntityBlock&& block) = default;
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Entity entity;
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EntityHandle handle;
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};
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std::vector<std::unique_ptr<BaseSystem>> m_systems;
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std::vector<BaseSystem*> m_orderedSystems;
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std::vector<EntityBlock> m_entities;
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std::vector<EntityBlock*> m_entityBlocks;
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std::vector<std::unique_ptr<EntityBlock>> m_waitingEntities;
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EntityList m_aliveEntities;
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ProfilerData m_profilerData;
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Nz::Bitset<Nz::UInt64> m_dirtyEntities;
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Nz::Bitset<Nz::UInt64> m_freeEntityIds;
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Nz::Bitset<Nz::UInt64> m_killedEntities;
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bool m_orderedSystemsUpdated;
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bool m_isProfilerEnabled;
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};
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}
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#include <NDK/World.inl>
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#endif // NDK_WORLD_HPP
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