Method Destroy

SDK/src/NDK/Entity.cpp:150–190

	*/

	void Entity::Destroy()
	{
		OnEntityDestruction(this);
		OnEntityDestruction.Clear();

		// We prepare components for entity destruction (some components needs this to handle some final callbacks while the entity is still valid)
		for (std::size_t i = m_componentBits.FindFirst(); i != m_componentBits.npos; i = m_componentBits.FindNext(i))
			m_components[i]->OnEntityDestruction();

		// Detach components while they're still attached to systems
		for (std::size_t i = m_componentBits.FindFirst(); i != m_componentBits.npos; i = m_componentBits.FindNext(i))
			m_components[i]->SetEntity(nullptr);

		// We alert each system
		for (std::size_t index = m_systemBits.FindFirst(); index != m_systemBits.npos; index = m_systemBits.FindNext(index))
		{
			auto sysIndex = static_cast<Ndk::SystemIndex>(index);

			if (m_world->HasSystem(sysIndex))
			{
				BaseSystem& system = m_world->GetSystem(sysIndex);
				system.RemoveEntity(this);
			}
		}
		m_systemBits.Clear();

		// Destroy components
		m_components.clear();
		m_componentBits.Reset();

		// Free every handle
		UnregisterAllHandles();

		// Remove from every list
		for (EntityList* list : m_containedInLists)
			list->NotifyEntityDestruction(this);

		m_containedInLists.clear();

		m_valid = false;
	}

	/*!
	* \brief Destroys a component by index