113 lines
3.0 KiB
C++
113 lines
3.0 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_ENTITY_HPP
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#define NDK_ENTITY_HPP
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#include <Nazara/Core/Bitset.hpp>
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#include <Nazara/Core/MovablePtr.hpp>
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#include <Nazara/Core/ObjectHandle.hpp>
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#include <Nazara/Core/Signal.hpp>
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#include <NDK/Algorithm.hpp>
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#include <NDK/Prerequisites.hpp>
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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 BaseComponent;
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class BaseSystem;
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class Entity;
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class EntityList;
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class World;
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using EntityHandle = Nz::ObjectHandle<Entity>;
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class NDK_API Entity : public Nz::HandledObject<Entity>
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{
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friend BaseSystem;
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friend EntityList;
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friend World;
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public:
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Entity(const Entity&) = delete;
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Entity(Entity&& entity) noexcept;
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~Entity();
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BaseComponent& AddComponent(std::unique_ptr<BaseComponent>&& component);
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template<typename ComponentType, typename... Args> ComponentType& AddComponent(Args&&... args);
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const EntityHandle& Clone() const;
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inline void Disable();
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void Enable(bool enable = true);
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inline BaseComponent& GetComponent(ComponentIndex index);
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template<typename ComponentType> ComponentType& GetComponent();
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inline const BaseComponent& GetComponent(ComponentIndex index) const;
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template<typename ComponentType> const ComponentType& GetComponent() const;
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inline const Nz::Bitset<>& GetComponentBits() const;
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inline EntityId GetId() const;
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inline const Nz::Bitset<>& GetSystemBits() const;
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inline World* GetWorld() const;
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inline bool HasComponent(ComponentIndex index) const;
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template<typename ComponentType> bool HasComponent() const;
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void Kill();
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void Invalidate();
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inline bool IsEnabled() const;
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bool IsDying() const;
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inline bool IsValid() const;
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inline void RemoveAllComponents();
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inline void RemoveComponent(ComponentIndex index);
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template<typename ComponentType> void RemoveComponent();
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inline Nz::String ToString() const;
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Entity& operator=(const Entity&) = delete;
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Entity& operator=(Entity&&) = delete;
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NazaraSignal(OnEntityDestruction, Entity* /*entity*/);
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NazaraSignal(OnEntityDisabled, Entity* /*entity*/);
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NazaraSignal(OnEntityEnabled, Entity* /*entity*/);
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private:
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Entity(World* world, EntityId id);
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void Create();
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void Destroy();
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void DestroyComponent(ComponentIndex index);
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inline Nz::Bitset<>& GetRemovedComponentBits();
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inline void RegisterEntityList(EntityList* list);
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inline void RegisterSystem(SystemIndex index);
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inline void SetWorld(World* world) noexcept;
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inline void UnregisterEntityList(EntityList* list);
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inline void UnregisterSystem(SystemIndex index);
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std::vector<std::unique_ptr<BaseComponent>> m_components;
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std::vector<EntityList*> m_containedInLists;
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Nz::Bitset<> m_componentBits;
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Nz::Bitset<> m_removedComponentBits;
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Nz::Bitset<> m_systemBits;
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Nz::MovablePtr<World> m_world;
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EntityId m_id;
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bool m_enabled;
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bool m_valid;
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};
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}
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#include <NDK/Entity.inl>
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#endif // NDK_ENTITY_HPP
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