forked from dolphin-emu/dolphin
ec0370d2d1
GC games with long names store two variations of the name in opening.bnr. This makes the shorter of those names available. For volumes other than GC discs, prefer_long is ignored.
150 lines
3.5 KiB
C++
150 lines
3.5 KiB
C++
// Copyright 2008 Dolphin Emulator Project
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// Licensed under GPLv2+
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// Refer to the license.txt file included.
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#pragma once
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#include <map>
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#include <memory>
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#include <string>
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#include <vector>
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#include "Common/CommonTypes.h"
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#include "DiscIO/Volume.h"
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namespace File { struct FSTEntry; }
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//
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// --- this volume type is used for reading files directly from the hard drive ---
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//
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namespace DiscIO
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{
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class CVolumeDirectory : public IVolume
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{
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public:
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CVolumeDirectory(const std::string& _rDirectory, bool _bIsWii,
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const std::string& _rApploader = "", const std::string& _rDOL = "");
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~CVolumeDirectory();
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static bool IsValidDirectory(const std::string& _rDirectory);
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bool Read(u64 _Offset, u64 _Length, u8* _pBuffer, bool decrypt) const override;
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std::string GetUniqueID() const override;
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void SetUniqueID(const std::string& _ID);
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std::string GetMakerID() const override;
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u16 GetRevision() const override { return 0; }
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std::string GetInternalName() const override;
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std::map<IVolume::ELanguage, std::string> GetNames(bool prefer_long) const override;
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void SetName(const std::string&);
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u32 GetFSTSize() const override;
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std::string GetApploaderDate() const override;
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EPlatform GetVolumeType() const override;
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ECountry GetCountry() const override;
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u64 GetSize() const override;
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u64 GetRawSize() const override;
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void BuildFST();
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private:
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static std::string ExtractDirectoryName(const std::string& _rDirectory);
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void SetDiskTypeWii();
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void SetDiskTypeGC();
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bool SetApploader(const std::string& _rApploader);
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void SetDOL(const std::string& _rDOL);
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// writing to read buffer
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void WriteToBuffer(u64 _SrcStartAddress, u64 _SrcLength, const u8* _Src,
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u64& _Address, u64& _Length, u8*& _pBuffer) const;
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void PadToAddress(u64 _StartAddress, u64& _Address, u64& _Length, u8*& _pBuffer) const;
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void Write32(u32 data, u32 offset, std::vector<u8>* const buffer);
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// FST creation
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void WriteEntryData(u32& entryOffset, u8 type, u32 nameOffset, u64 dataOffset, u64 length);
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void WriteEntryName(u32& nameOffset, const std::string& name);
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void WriteEntry(const File::FSTEntry& entry, u32& fstOffset, u32& nameOffset, u64& dataOffset, u32 parentEntryNum);
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// returns number of entries found in _Directory
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u64 AddDirectoryEntries(const std::string& _Directory, File::FSTEntry& parentEntry);
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std::string m_rootDirectory;
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std::map<u64, std::string> m_virtualDisk;
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u32 m_totalNameSize;
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bool m_is_wii;
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// GameCube has no shift, Wii has 2 bit shift
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u32 m_addressShift;
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// first address on disk containing file data
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u64 m_dataStartAddress;
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u64 m_fstNameOffset;
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std::vector<u8> m_FSTData;
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std::vector<u8> m_diskHeader;
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#pragma pack(push, 1)
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struct SDiskHeaderInfo
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{
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u32 debug_mntr_size;
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u32 simulated_mem_size;
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u32 arg_offset;
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u32 debug_flag;
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u32 track_location;
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u32 track_size;
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u32 country_code;
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u32 unknown;
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u32 unknown2;
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// All the data is byteswapped
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SDiskHeaderInfo()
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{
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debug_mntr_size = 0;
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simulated_mem_size = 0;
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arg_offset = 0;
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debug_flag = 0;
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track_location = 0;
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track_size = 0;
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country_code = 0;
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unknown = 0;
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unknown2 = 0;
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}
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};
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#pragma pack(pop)
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std::unique_ptr<SDiskHeaderInfo> m_diskHeaderInfo;
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std::vector<u8> m_apploader;
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std::vector<u8> m_DOL;
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u64 m_fst_address;
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u64 m_dol_address;
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static const u8 ENTRY_SIZE = 0x0c;
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static const u8 FILE_ENTRY = 0;
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static const u8 DIRECTORY_ENTRY = 1;
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static const u64 DISKHEADER_ADDRESS = 0;
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static const u64 DISKHEADERINFO_ADDRESS = 0x440;
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static const u64 APPLOADER_ADDRESS = 0x2440;
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static const u32 MAX_NAME_LENGTH = 0x3df;
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};
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} // namespace
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