147 lines
3.2 KiB
C++
147 lines
3.2 KiB
C++
// Copyright 2013 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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#ifndef _VOLUME_DIRECTORY
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#define _VOLUME_DIRECTORY
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#include <map>
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#include <string>
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#include "FileUtil.h"
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#include "Volume.h"
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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) const;
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bool RAWRead(u64 _Offset, u64 _Length, u8* _pBuffer) const;
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std::string GetUniqueID() const;
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void SetUniqueID(std::string _ID);
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std::string GetMakerID() const;
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std::vector<std::string> GetNames() const;
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void SetName(std::string);
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u32 GetFSTSize() const;
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std::string GetApploaderDate() const;
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ECountry GetCountry() const;
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u64 GetSize() const;
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u64 GetRawSize() const;
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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, 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, u8* buffer);
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// FST creation
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void WriteEntryData(u32& entryOffset, u8 type, u32 nameOffset, u64 dataOffset, u32 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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u32 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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// gc 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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u64 m_fstSize;
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u8* m_FSTData;
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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 countrycode;
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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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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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countrycode = 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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SDiskHeaderInfo* m_diskHeaderInfo;
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u64 m_apploaderSize;
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u8* m_apploader;
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u64 m_DOLSize;
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u8* m_DOL;
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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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u64 FST_ADDRESS;
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u64 DOL_ADDRESS;
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};
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} // namespace
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#endif
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