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57 lines
1.3 KiB
C++
57 lines
1.3 KiB
C++
// Copyright (C) 2015 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 Prerequesites.hpp
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#include <NDK/Algorithm.hpp>
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#include <type_traits>
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namespace Ndk
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{
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/*!
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* \ingroup NDK
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* \class Ndk::System<SystemType>
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* \brief NDK class that represents a system which interacts on a world
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*
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* \remark This class is meant to be derived as CRTP: "System<Subtype>"
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*/
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/*!
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* \brief Constructs a System object by default
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*/
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template<typename SystemType>
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System<SystemType>::System() :
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BaseSystem(GetSystemIndex<SystemType>())
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{
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}
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template<typename SystemType>
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System<SystemType>::~System() = default;
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/*!
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* \brief Clones the system
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* \return The clone newly created
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*
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* \remark The system to clone should be trivially copy constructible
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*/
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template<typename SystemType>
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std::unique_ptr<BaseSystem> System<SystemType>::Clone() const
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{
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///FIXME: Not fully supported in GCC (4.9.2)
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//static_assert(std::is_trivially_copy_constructible<SystemType>::value, "SystemType should be copy-constructible");
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return std::make_unique<SystemType>(static_cast<const SystemType&>(*this));
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}
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/*!
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* \brief Registers the system by assigning it an index
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*/
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template<typename SystemType>
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SystemIndex System<SystemType>::RegisterSystem()
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{
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return GetNextIndex();
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}
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}
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