65 lines
1.6 KiB
C++
65 lines
1.6 KiB
C++
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#pragma once
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#include <memory>
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#include <mutex>
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#include <unordered_map>
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#include <unordered_set>
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#include "ImageViewFactory.hpp"
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#include "PixelariumImageView.hpp"
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#include "resources/resource.hpp"
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#include "utilities/ILog.hpp"
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// This is intended as an additional abstraction
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// aggregating views that should be rendered (or not)
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namespace pixelarium::render
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{
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struct RenderImageStateWrapper
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{
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std::unique_ptr<PixelariumImageView> view;
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const bool* show_state;
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};
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class RenderImageManager
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{
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using Pool = resources::ImageResourcePool;
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public:
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explicit RenderImageManager(Pool& pool, const utils::log::ILog& log)
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: view_factory_(std::make_unique<ImageViewFactory>(pool)), log_(log)
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{
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}
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void Clear() noexcept;
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void Add(resources::ResourceKey key) noexcept;
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bool Remove(resources::ResourceKey key) noexcept;
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// can't be const because func mutates the state
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template <typename Callable>
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requires std::invocable<Callable, resources::ResourceKey, RenderImageStateWrapper&>
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void Enumerate(Callable&& func)
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{
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for (auto& [key, val] : this->render_image_map_)
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{
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if (val.view != nullptr)
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{
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func(key, val);
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}
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}
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}
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void MarkForDeletion(resources::ResourceKey key);
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void UpdateCollection();
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private:
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std::unordered_map<resources::ResourceKey, RenderImageStateWrapper> render_image_map_;
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std::unique_ptr<ImageViewFactory> view_factory_;
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std::mutex mut_;
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std::unordered_set<resources::ResourceKey> keys_to_delete_;
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const utils::log::ILog& log_;
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};
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} // namespace pixelarium::render
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