Method addFile

TheForceEngine/TFE_Archive/gobArchive.cpp:249–300

Edit

// Edit
void GobArchive::addFile(const char* fileName, const char* filePath)
{
	FileStream file;
	if (!file.open(filePath, Stream::MODE_READ))
	{
		return;
	}
	const size_t len = file.getSize();
	const u32 newId = m_fileList.MASTERN;
	m_fileList.MASTERN++;
	GOB_Entry_t* newEntries = new GOB_Entry_t[m_fileList.MASTERN];
	memcpy(newEntries, m_fileList.entries, sizeof(GOB_Entry_t) * newId);
	m_fileList.entries = newEntries;

	GOB_Entry_t* newFile = &m_fileList.entries[newId];
	memset(newFile, 0, sizeof(GOB_Entry_t));
	newFile->IX  = newId > 0 ? m_fileList.entries[newId - 1].IX + m_fileList.entries[newId - 1].LEN : sizeof(GOB_Header_t);
	newFile->LEN = u32(len);
	strcpy(newFile->NAME, fileName);
	m_header.MASTERX += newFile->LEN;

	// Read all of the file data.
	std::vector<std::vector<u8>> fileData(m_fileList.MASTERN);
	if (m_file.open(m_archivePath, Stream::MODE_READ) && m_fileList.MASTERN >= 1)
	{
		for (u32 f = 0; f < m_fileList.MASTERN - 1; f++)
		{
			fileData[f].resize(m_fileList.entries[f].LEN);
			m_file.seek(m_fileList.entries[f].IX);
			m_file.readBuffer(fileData[f].data(), m_fileList.entries[f].LEN);
		}
		m_file.close();

		fileData[newId].resize(len);
		file.readBuffer(fileData[newId].data(), (u32)len);
		file.close();
	}

	// Now write the new file.
	if (m_file.open(m_archivePath, Stream::MODE_WRITE))
	{
		m_file.writeBuffer(&m_header, sizeof(GOB_Header_t));
		for (u32 f = 0; f < m_fileList.MASTERN; f++)
		{
			m_file.writeBuffer(fileData[f].data(), m_fileList.entries[f].LEN);
		}
		assert(m_file.getLoc() == m_header.MASTERX);
		m_file.writeBuffer(&m_fileList.MASTERN, sizeof(u32));
		m_file.writeBuffer(m_fileList.entries, sizeof(GOB_Entry_t), m_fileList.MASTERN);
		m_file.close();
	}
}