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The loaders now register each loaded ROM with the SelfNCCH factory, which keeps the data around for the duration of the emulation session. When opening the SelfNCCH archive, the factory queries the current program's programid and uses that as a key to the map that contains the NCCHData structure (RomFS, Icon, Banner, etc). 3dsx files do not have a programid and will use a default of 0 for this value, thus, only 1 3dsx file with RomFS is loadable at the same time.
55 lines
1.6 KiB
C++
55 lines
1.6 KiB
C++
// Copyright 2017 Citra 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 <memory>
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#include <string>
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#include <unordered_map>
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#include <vector>
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#include "common/common_types.h"
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#include "core/file_sys/archive_backend.h"
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#include "core/hle/result.h"
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#include "core/loader/loader.h"
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////////////////////////////////////////////////////////////////////////////////////////////////////
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// FileSys namespace
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namespace FileSys {
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struct NCCHData {
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std::shared_ptr<std::vector<u8>> icon;
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std::shared_ptr<std::vector<u8>> logo;
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std::shared_ptr<std::vector<u8>> banner;
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std::shared_ptr<FileUtil::IOFile> romfs_file;
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u64 romfs_offset = 0;
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u64 romfs_size = 0;
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std::shared_ptr<FileUtil::IOFile> update_romfs_file;
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u64 update_romfs_offset = 0;
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u64 update_romfs_size = 0;
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};
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/// File system interface to the SelfNCCH archive
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class ArchiveFactory_SelfNCCH final : public ArchiveFactory {
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public:
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ArchiveFactory_SelfNCCH() = default;
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/// Registers a loaded application so that we can open its SelfNCCH archive when requested.
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void Register(Loader::AppLoader& app_loader);
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std::string GetName() const override {
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return "SelfNCCH";
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}
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ResultVal<std::unique_ptr<ArchiveBackend>> Open(const Path& path) override;
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ResultCode Format(const Path& path, const FileSys::ArchiveFormatInfo& format_info) override;
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ResultVal<ArchiveFormatInfo> GetFormatInfo(const Path& path) const override;
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private:
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/// Mapping of ProgramId -> NCCHData
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std::unordered_map<u64, NCCHData> ncch_data;
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};
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} // namespace FileSys
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