C++ IOFile::WriteBytes方法代码示例

u64 FifoDataFile::WriteMemoryUpdates(const std::vector<MemoryUpdate>& memUpdates,
                                     File::IOFile& file)
{
  // Add space for memory update list
  u64 updateListOffset = file.Tell();
  PadFile(memUpdates.size() * sizeof(FileMemoryUpdate), file);

  for (unsigned int i = 0; i < memUpdates.size(); ++i)
  {
    const MemoryUpdate& srcUpdate = memUpdates[i];

    // Write memory
    file.Seek(0, SEEK_END);
    u64 dataOffset = file.Tell();
    file.WriteBytes(srcUpdate.data.data(), srcUpdate.data.size());

    FileMemoryUpdate dstUpdate;
    dstUpdate.address = srcUpdate.address;
    dstUpdate.dataOffset = dataOffset;
    dstUpdate.dataSize = static_cast<u32>(srcUpdate.data.size());
    dstUpdate.fifoPosition = srcUpdate.fifoPosition;
    dstUpdate.type = srcUpdate.type;

    u64 updateOffset = updateListOffset + (i * sizeof(FileMemoryUpdate));
    file.Seek(updateOffset, SEEK_SET);
    file.WriteBytes(&dstUpdate, sizeof(FileMemoryUpdate));
  }

  return updateListOffset;
}

void UpdateStateFlags(std::function<void(StateFlags*)> update_function)
{
  const std::string file_path =
    Common::GetTitleDataPath(Titles::SYSTEM_MENU, Common::FROM_SESSION_ROOT) + WII_STATE;

  File::IOFile file;
  StateFlags state;
  if (File::Exists(file_path))
  {
    file.Open(file_path, "r+b");
    file.ReadBytes(&state, sizeof(state));
  }
  else
  {
    File::CreateFullPath(file_path);
    file.Open(file_path, "a+b");
    memset(&state, 0, sizeof(state));
  }

  update_function(&state);
  state.UpdateChecksum();

  file.Seek(0, SEEK_SET);
  file.WriteBytes(&state, sizeof(state));
}

bool FifoDataFile::Save(const std::string& filename)
{
  File::IOFile file;
  if (!file.Open(filename, "wb"))
    return false;

  // Add space for header
  PadFile(sizeof(FileHeader), file);

  // Add space for frame list
  u64 frameListOffset = file.Tell();
  PadFile(m_Frames.size() * sizeof(FileFrameInfo), file);

  u64 bpMemOffset = file.Tell();
  file.WriteArray(m_BPMem, BP_MEM_SIZE);

  u64 cpMemOffset = file.Tell();
  file.WriteArray(m_CPMem, CP_MEM_SIZE);

  u64 xfMemOffset = file.Tell();
  file.WriteArray(m_XFMem, XF_MEM_SIZE);

  u64 xfRegsOffset = file.Tell();
  file.WriteArray(m_XFRegs, XF_REGS_SIZE);

  u64 texMemOffset = file.Tell();
  file.WriteArray(m_TexMem, TEX_MEM_SIZE);

  // Write header
  FileHeader header;
  header.fileId = FILE_ID;
  header.file_version = VERSION_NUMBER;
  header.min_loader_version = MIN_LOADER_VERSION;

  header.bpMemOffset = bpMemOffset;
  header.bpMemSize = BP_MEM_SIZE;

  header.cpMemOffset = cpMemOffset;
  header.cpMemSize = CP_MEM_SIZE;

  header.xfMemOffset = xfMemOffset;
  header.xfMemSize = XF_MEM_SIZE;

  header.xfRegsOffset = xfRegsOffset;
  header.xfRegsSize = XF_REGS_SIZE;

  header.texMemOffset = texMemOffset;
  header.texMemSize = TEX_MEM_SIZE;

  header.frameListOffset = frameListOffset;
  header.frameCount = (u32)m_Frames.size();

  header.flags = m_Flags;

  file.Seek(0, SEEK_SET);
  file.WriteBytes(&header, sizeof(FileHeader));

  // Write frames list
  for (unsigned int i = 0; i < m_Frames.size(); ++i)
  {
    const FifoFrameInfo& srcFrame = m_Frames[i];

    // Write FIFO data
    file.Seek(0, SEEK_END);
    u64 dataOffset = file.Tell();
    file.WriteBytes(srcFrame.fifoData.data(), srcFrame.fifoData.size());

    u64 memoryUpdatesOffset = WriteMemoryUpdates(srcFrame.memoryUpdates, file);

    FileFrameInfo dstFrame;
    dstFrame.fifoDataSize = static_cast<u32>(srcFrame.fifoData.size());
    dstFrame.fifoDataOffset = dataOffset;
    dstFrame.fifoStart = srcFrame.fifoStart;
    dstFrame.fifoEnd = srcFrame.fifoEnd;
    dstFrame.memoryUpdatesOffset = memoryUpdatesOffset;
    dstFrame.numMemoryUpdates = static_cast<u32>(srcFrame.memoryUpdates.size());

    // Write frame info
    u64 frameOffset = frameListOffset + (i * sizeof(FileFrameInfo));
    file.Seek(frameOffset, SEEK_SET);
    file.WriteBytes(&dstFrame, sizeof(FileFrameInfo));
  }

  if (!file.Close())
    return false;

  return true;
}

int SyncTrace()
{
	if (bWriteTrace)
	{
		tracefile.WriteBytes(&PowerPC::ppcState, stateSize);
		tracefile.Flush();
		return 1;
	}
	if (bReadTrace)
	{
		PowerPC::PowerPCState state;
		if (!tracefile.ReadBytes(&state, stateSize))
			return 1;

		bool difference = false;
		for (int i=0; i<32; i++)
		{
			if (PowerPC::ppcState.gpr[i] != state.gpr[i])
			{
				DEBUG_LOG(POWERPC, "DIFFERENCE - r%i (local %08x, remote %08x)", i, PowerPC::ppcState.gpr[i], state.gpr[i]);
				difference = true;
			}
		}
/*
		for (int i=0; i<32; i++)
		{
			for (int j=0; j<2; j++)
			{
				if (PowerPC::ppcState.ps[i][j] != state.ps[i][j])
				{
					LOG(GEKKO, "DIFFERENCE - ps%i_%i (local %f, remote %f)", i, j, PowerPC::ppcState.ps[i][j], state.ps[i][j]);
					difference = true;
				}
			}
		}*/
		/*
		if (GetCR() != state.cr)
		{
			LOG(GEKKO, "DIFFERENCE - CR (local %08x, remote %08x)", PowerPC::ppcState.cr, state.cr);
			difference = true;
		}
		if (PowerPC::ppcState.pc != state.pc)
		{
			LOG(GEKKO, "DIFFERENCE - PC (local %08x, remote %08x)", PowerPC::ppcState.pc, state.pc);
			difference = true;
		}
		if (PowerPC::ppcState.npc != state.npc)
		{
			LOG(GEKKO, "DIFFERENCE - NPC (local %08x, remote %08x)", PowerPC::ppcState.npc, state.npc);
			difference = true;
		}
		if (PowerPC::ppcState.msr != state.msr)
		{
			LOG(GEKKO, "DIFFERENCE - MSR (local %08x, remote %08x)", PowerPC::ppcState.msr, state.msr);
			difference = true;
		}
		if (PowerPC::ppcState.fpscr != state.fpscr)
		{
			LOG(GEKKO, "DIFFERENCE - FPSCR (local %08x, remote %08x)", PowerPC::ppcState.fpscr, state.fpscr);
			difference = true;
		}
*/
		if (difference)
		{
			Host_UpdateLogDisplay();
			//Also show drec compare window here
			//CDynaViewDlg::Show(true);
			//CDynaViewDlg::ViewAddr(m_BlockStart);
			//CDynaViewDlg::Show(true);
			//PanicAlert("Hang on");
			//Sleep(INFINITE);
			return 0;
		}
		else
		{
			return 1;
			//LOG(GEKKO, "No difference!");
		}
	}
	return 1;

}