80 lines
2.2 KiB
C++
80 lines
2.2 KiB
C++
// Copyright (C) 2015 Jérôme Leclercq
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// This file is part of the "Nazara Engine - Graphics module"
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#pragma once
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#ifndef NAZARA_SPARSEPTR_HPP
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#define NAZARA_SPARSEPTR_HPP
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///FIXME: Est-ce que SparsePtr est vraiment le meilleur nom pour cette classe ?
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#include <Nazara/Prerequesites.hpp>
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#include <cstddef>
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#include <type_traits>
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template<typename T>
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class NzSparsePtr
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{
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public:
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using BytePtr = typename std::conditional<std::is_const<T>::value, const nzUInt8*, nzUInt8*>::type;
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using VoidPtr = typename std::conditional<std::is_const<T>::value, const void*, void*>::type;
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NzSparsePtr();
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NzSparsePtr(T* ptr);
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NzSparsePtr(VoidPtr ptr, int stride);
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template<typename U> NzSparsePtr(const NzSparsePtr<U>& ptr);
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NzSparsePtr(const NzSparsePtr& ptr) = default;
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~NzSparsePtr() = default;
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VoidPtr GetPtr() const;
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int GetStride() const;
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void Reset();
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void Reset(T* ptr);
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void Reset(VoidPtr ptr, int stride);
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void Reset(const NzSparsePtr& ptr);
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template<typename U> void Reset(const NzSparsePtr<U>& ptr);
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void SetPtr(VoidPtr ptr);
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void SetStride(int stride);
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operator bool() const;
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operator T*() const;
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T& operator*() const;
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T* operator->() const;
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T& operator[](int index) const;
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NzSparsePtr operator+(int count) const;
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NzSparsePtr operator+(unsigned int count) const;
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NzSparsePtr operator-(int count) const;
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NzSparsePtr operator-(unsigned int count) const;
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std::ptrdiff_t operator-(const NzSparsePtr& ptr) const;
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NzSparsePtr& operator+=(int count);
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NzSparsePtr& operator-=(int count);
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NzSparsePtr& operator++();
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NzSparsePtr operator++(int);
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NzSparsePtr& operator--();
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NzSparsePtr operator--(int);
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bool operator==(const NzSparsePtr& ptr) const;
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bool operator!=(const NzSparsePtr& ptr) const;
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bool operator<(const NzSparsePtr& ptr) const;
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bool operator>(const NzSparsePtr& ptr) const;
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bool operator<=(const NzSparsePtr& ptr) const;
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bool operator>=(const NzSparsePtr& ptr) const;
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NzSparsePtr& operator=(const NzSparsePtr& ptr) = default;
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private:
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BytePtr m_ptr;
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int m_stride;
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};
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#include <Nazara/Core/SparsePtr.inl>
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#endif // NAZARA_SPARSEPTR_HPP
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