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https://github.com/azahar-emu/azahar.git
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db11399785
Previously the game list rescanned game directories on every launch and after any event that might have changed game files. This commit replaces that with a persistent JSON cache so subsequent launches populate the list instantly from disk. Key changes: - game_list_cache.h/cpp: new JSON cache at ConfigDir/game_list_cache.json. Keyed by a DirsSignature fingerprint (path + deep_scan for every dir); invalidated automatically when the directory list changes. - GameListWorker: emits CacheEntryReady in parallel with EntryReady, carrying raw metadata so entries can be rebuilt without touching ROMs. - GameList::PopulateAsync: checks cache first. On a hit it rebuilds the model synchronously from cached data (PopulateFromCache) with no worker thread. On a miss it runs the full scan and saves the new cache in DonePopulating. - GameList::ForceRescan: invalidates the cache then calls PopulateAsync. - GameList::RefreshPlayTimes: updates only the play-time column in-place; called after a game session ends instead of a full rescan. - QFileSystemWatcher is kept for CIA-install plumbing but is no longer connected to any automatic rescan. - File menu: new "Refresh Game List" action (F5) triggers ForceRescan. - OnCIAInstallFinished: uses ForceRescan (new title needs a fresh scan). - OnStopGame: uses RefreshPlayTimes (only play time changed). Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
50 lines
1.9 KiB
C++
50 lines
1.9 KiB
C++
// Copyright Citra Emulator Project / Azahar Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <QByteArray>
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#include <QString>
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#include <QVector>
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#include "citra_qt/uisettings.h"
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#include "common/common_types.h"
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namespace Service::FS {
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enum class MediaType : u32;
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}
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/// Cached metadata for a single game entry, sufficient to rebuild all model columns.
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struct GameListCacheEntry {
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QString path;
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QByteArray smdh; ///< Raw SMDH bytes; empty for games that have no icon data.
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u64 program_id = 0;
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u64 extdata_id = 0;
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Service::FS::MediaType media_type{};
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bool is_encrypted = false;
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bool can_insert = false;
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QString compatibility; ///< Tier string: "0"–"5" or "99" for not tested.
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QString file_type; ///< Human-readable file-type string from the loader.
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quint64 file_size = 0;
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int game_dir_index = 0; ///< Index into UISettings::values.game_dirs for the parent dir.
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};
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/**
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* Attempts to load the game list cache and validates it against the current game_dirs.
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*
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* Returns true and populates @p out_entries when the cache exists, parses without error,
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* and its stored directory list matches the caller's game_dirs exactly.
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* Returns false in all other cases (missing file, parse error, stale dirs).
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*/
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bool LoadGameListCache(const QVector<UISettings::GameDir>& game_dirs,
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QVector<GameListCacheEntry>& out_entries);
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/**
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* Serialises @p entries to the game list cache file, storing @p game_dirs alongside them
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* so that future loads can detect when the directory list has changed.
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*/
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void SaveGameListCache(const QVector<UISettings::GameDir>& game_dirs,
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const QVector<GameListCacheEntry>& entries);
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/// Removes the cache file so the next PopulateAsync performs a full scan.
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void InvalidateGameListCache();
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