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132 lines
3.4 KiB
C++
132 lines
3.4 KiB
C++
#include <cstring>
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#include "SaveExporter.h"
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#include "StdStream.h"
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#include "StdStreamUtils.h"
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void CSaveExporter::ExportPSU(Framework::CStream& outputStream, const fs::path& savePath)
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{
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uint32 nSector = 0x18D;
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auto baseTime = fs::last_write_time(savePath);
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//Save base directory entry
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{
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PSUENTRY Entry;
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memset(&Entry, 0, sizeof(PSUENTRY));
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Entry.nSize = 2;
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const fs::directory_iterator itEnd;
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for(fs::directory_iterator itElement(savePath);
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itElement != itEnd;
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itElement++)
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{
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if(fs::is_directory(*itElement)) continue;
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Entry.nSize++;
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}
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Entry.nFlags = 0x8427;
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Entry.nSector = nSector;
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PSU_CopyTime(&Entry.CreationTime, baseTime);
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PSU_CopyTime(&Entry.ModificationTime, baseTime);
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strncpy(reinterpret_cast<char*>(Entry.sName), savePath.filename().string().c_str(), 0x1C0);
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outputStream.Write(&Entry, sizeof(PSUENTRY));
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}
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static const char* sRelDirName[2] =
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{
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".",
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"..",
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};
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//Save "relative" directories
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for(unsigned int i = 0; i < 2; i++)
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{
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PSUENTRY Entry;
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memset(&Entry, 0, sizeof(PSUENTRY));
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Entry.nFlags = 0x8427;
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Entry.nSector = 0;
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PSU_CopyTime(&Entry.CreationTime, baseTime);
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PSU_CopyTime(&Entry.ModificationTime, baseTime);
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strncpy(reinterpret_cast<char*>(Entry.sName), sRelDirName[i], 0x1C0);
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outputStream.Write(&Entry, sizeof(PSUENTRY));
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}
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nSector += 2;
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//Save individual file entries
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const fs::directory_iterator itEnd;
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for(fs::directory_iterator itElement(savePath);
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itElement != itEnd;
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itElement++)
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{
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if(fs::is_directory(*itElement)) continue;
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fs::path saveItemPath(*itElement);
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auto itemTime = fs::last_write_time(saveItemPath);
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PSUENTRY Entry;
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memset(&Entry, 0, sizeof(PSUENTRY));
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Entry.nFlags = 0x8497;
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Entry.nSize = static_cast<uint32>(fs::file_size(saveItemPath));
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Entry.nSector = nSector;
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PSU_CopyTime(&Entry.CreationTime, itemTime);
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PSU_CopyTime(&Entry.ModificationTime, itemTime);
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strncpy(reinterpret_cast<char*>(Entry.sName), saveItemPath.filename().string().c_str(), 0x1C0);
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outputStream.Write(&Entry, sizeof(PSUENTRY));
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//Write file contents
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{
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auto itemStream(Framework::CreateInputStdStream(saveItemPath.native()));
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uint32 nSize = Entry.nSize;
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while(nSize != 0)
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{
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const uint32 bufferSize = 0x1000;
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char sBuffer[bufferSize];
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uint32 nRead = std::min<uint32>(nSize, bufferSize);
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itemStream.Read(sBuffer, nRead);
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outputStream.Write(sBuffer, nRead);
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nSize -= nRead;
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}
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}
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//Align on 0x400 boundary
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{
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char sBuffer[0x400];
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unsigned int nPosition = Entry.nSize;
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memset(sBuffer, 0, 0x400);
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outputStream.Write(sBuffer, 0x400 - (nPosition & 0x3FF));
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}
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nSector += (Entry.nSize + 0x3FF) / 0x400;
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}
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}
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void CSaveExporter::PSU_CopyTime(PSUENTRY::TIME* pDst, const fs::file_time_type& fileTime)
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{
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auto systemTime = std::chrono::system_clock::now() + (fileTime - fs::file_time_type::clock::now());
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auto tm = std::chrono::system_clock::to_time_t(systemTime);
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const auto pSrc = std::localtime(&tm);
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pDst->nSecond = static_cast<uint8>(pSrc->tm_sec);
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pDst->nMinute = static_cast<uint8>(pSrc->tm_min);
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pDst->nHour = static_cast<uint8>(pSrc->tm_hour);
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pDst->nDay = static_cast<uint8>(pSrc->tm_mday);
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pDst->nMonth = static_cast<uint8>(pSrc->tm_mon);
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pDst->nYear = pSrc->tm_year;
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}
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