3b13e692d2
This takes care of evicting entries when the cache gets too big for us, so we can add new entries without much worries. Signed-off-by: flow <flowlnlnln@gmail.com>
70 lines
2.1 KiB
C++
70 lines
2.1 KiB
C++
#pragma once
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#include "Resource.h"
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#include <QImage>
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#include <QMutex>
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#include <QPixmap>
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#include <QPixmapCache>
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class Version;
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/* TODO:
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*
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* Store localized descriptions
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* */
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class ResourcePack : public Resource {
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Q_OBJECT
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public:
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using Ptr = shared_qobject_ptr<Resource>;
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ResourcePack(QObject* parent = nullptr) : Resource(parent) {}
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ResourcePack(QFileInfo file_info) : Resource(file_info) {}
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/** Gets the numerical ID of the pack format. */
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[[nodiscard]] int packFormat() const { return m_pack_format; }
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/** Gets, respectively, the lower and upper versions supported by the set pack format. */
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[[nodiscard]] std::pair<Version, Version> compatibleVersions() const;
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/** Gets the description of the resource pack. */
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[[nodiscard]] QString description() const { return m_description; }
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/** Gets the image of the resource pack, converted to a QPixmap for drawing, and scaled to size. */
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[[nodiscard]] QPixmap image(QSize size);
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/** Thread-safe. */
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void setPackFormat(int new_format_id);
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/** Thread-safe. */
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void setDescription(QString new_description);
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/** Thread-safe. */
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void setImage(QImage new_image);
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[[nodiscard]] auto compare(Resource const& other, SortType type) const -> std::pair<int, bool> override;
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[[nodiscard]] bool applyFilter(QRegularExpression filter) const override;
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protected:
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mutable QMutex m_data_lock;
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/* The 'version' of a resource pack, as defined in the pack.mcmeta file.
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* See https://minecraft.fandom.com/wiki/Tutorials/Creating_a_resource_pack#Formatting_pack.mcmeta
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*/
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int m_pack_format = 0;
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/** The resource pack's description, as defined in the pack.mcmeta file.
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*/
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QString m_description;
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/** The resource pack's image file cache key, for access in the QPixmapCache global instance.
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*
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* The 'was_ever_used' state simply identifies whether the key was never inserted on the cache (true),
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* so as to tell whether a cache entry is inexistent or if it was just evicted from the cache.
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*/
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struct {
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QPixmapCache::Key key;
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bool was_ever_used = false;
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} m_pack_image_cache_key;
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};
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