102 lines
2.4 KiB
C++
102 lines
2.4 KiB
C++
// Copyright (C) 2017 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_RENDERQUEUE_HPP
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#define NAZARA_RENDERQUEUE_HPP
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#include <Nazara/Prerequisites.hpp>
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#include <memory>
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#include <vector>
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namespace Nz
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{
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class RenderQueueInternal
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{
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public:
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using Index = Nz::UInt64;
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RenderQueueInternal() = default;
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RenderQueueInternal(const RenderQueueInternal&) = default;
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RenderQueueInternal(RenderQueueInternal&&) = default;
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~RenderQueueInternal() = default;
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RenderQueueInternal& operator=(const RenderQueueInternal&) = default;
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RenderQueueInternal& operator=(RenderQueueInternal&&) = default;
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protected:
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using RenderDataPair = std::pair<Index, std::size_t>;
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void Sort();
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std::vector<RenderDataPair> m_orderedRenderQueue;
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};
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template<typename RenderData>
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class RenderQueue : public RenderQueueInternal
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{
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public:
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class const_iterator;
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friend const_iterator;
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using size_type = std::size_t;
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RenderQueue() = default;
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RenderQueue(const RenderQueue&) = default;
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RenderQueue(RenderQueue&&) noexcept = default;
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~RenderQueue() = default;
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void Clear();
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void Insert(RenderData&& data);
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template<typename IndexFunc> void Sort(IndexFunc&& func);
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// STL API
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inline const_iterator begin() const;
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inline bool empty() const;
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inline const_iterator end() const;
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inline size_type size() const;
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RenderQueue& operator=(const RenderQueue&) = default;
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RenderQueue& operator=(RenderQueue&&) noexcept = default;
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private:
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const RenderData& GetData(std::size_t i) const;
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std::vector<RenderData> m_data;
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};
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template<typename RenderData>
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class RenderQueue<RenderData>::const_iterator : public std::iterator<std::forward_iterator_tag, const RenderData>
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{
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friend RenderQueue;
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public:
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const_iterator(const const_iterator& it);
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const RenderData& operator*() const;
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const_iterator& operator=(const const_iterator& it);
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const_iterator& operator++();
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const_iterator operator++(int);
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bool operator==(const const_iterator& rhs) const;
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bool operator!=(const const_iterator& rhs) const;
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void swap(const_iterator& rhs);
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private:
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const_iterator(const RenderQueue* queue, std::size_t nextId);
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std::size_t m_nextDataId;
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const RenderQueue* m_queue;
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};
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}
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#include <Nazara/Graphics/RenderQueue.inl>
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#endif // NAZARA_RENDERQUEUE_HPP
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