NazaraEngine/SDK/include/NDK/BaseComponent.hpp

69 lines
1.6 KiB
C++

// Copyright (C) 2015 Jérôme Leclercq
// This file is part of the "Nazara Development Kit"
// For conditions of distribution and use, see copyright notice in Prerequesites.hpp
#pragma once
#ifndef NDK_BASECOMPONENT_HPP
#define NDK_BASECOMPONENT_HPP
#include <NDK/Prerequesites.hpp>
#include <functional>
#include <unordered_map>
#include <vector>
namespace Ndk
{
class Entity;
class NDK_API BaseComponent
{
friend Entity;
friend class Sdk;
public:
using Factory = std::function<BaseComponent*()>;
BaseComponent(ComponentIndex componentIndex);
BaseComponent(const BaseComponent&) = default;
BaseComponent(BaseComponent&&) noexcept = default;
virtual ~BaseComponent();
virtual BaseComponent* Clone() const = 0;
ComponentIndex GetIndex() const;
BaseComponent& operator=(const BaseComponent&) = default;
BaseComponent& operator=(BaseComponent&&) noexcept = default;
protected:
ComponentIndex m_componentIndex;
Entity* m_entity;
static ComponentIndex RegisterComponent(ComponentId id, Factory factoryFunc);
private:
virtual void OnAttached();
virtual void OnComponentAttached(BaseComponent& component);
virtual void OnComponentDetached(BaseComponent& component);
virtual void OnDetached();
void SetEntity(Entity* entity);
static bool Initialize();
static void Uninitialize();
struct ComponentEntry
{
ComponentId id;
Factory factory;
};
static std::vector<ComponentEntry> s_entries;
static std::unordered_map<ComponentId, ComponentIndex> s_idToIndex;
};
}
#include <NDK/BaseComponent.inl>
#endif // NDK_BASECOMPONENT_HPP