diff options
Diffstat (limited to 'libs/game_gamebryo/src/gamebryo/dummybsa.cpp')
| -rw-r--r-- | libs/game_gamebryo/src/gamebryo/dummybsa.cpp | 192 |
1 files changed, 0 insertions, 192 deletions
diff --git a/libs/game_gamebryo/src/gamebryo/dummybsa.cpp b/libs/game_gamebryo/src/gamebryo/dummybsa.cpp deleted file mode 100644 index ba6f766..0000000 --- a/libs/game_gamebryo/src/gamebryo/dummybsa.cpp +++ /dev/null @@ -1,192 +0,0 @@ -/* -Copyright (C) 2012 Sebastian Herbord. All rights reserved. - -This file is part of Mod Organizer. - -Mod Organizer is free software: you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation, either version 3 of the License, or -(at your option) any later version. - -Mod Organizer is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -You should have received a copy of the GNU General Public License -along with Mod Organizer. If not, see <http://www.gnu.org/licenses/>. -*/ - -#include "dummybsa.h" -#include <QFile> -#define WIN32_LEAN_AND_MEAN -#include <Windows.h> - -static void writeUlong(unsigned char* buffer, int offset, unsigned long value) -{ - union - { - unsigned long ulValue; - unsigned char cValue[4]; - }; - ulValue = value; - memcpy(buffer + offset, cValue, 4); -} - -static void writeUlonglong(unsigned char* buffer, int offset, unsigned long long value) -{ - union - { - unsigned long long ullValue; - unsigned char cValue[8]; - }; - ullValue = value; - memcpy(buffer + offset, cValue, 8); -} - -static unsigned long genHashInt(const unsigned char* pos, const unsigned char* end) -{ - unsigned long hash = 0; - for (; pos < end; ++pos) { - hash *= 0x1003f; - hash += *pos; - } - return hash; -} - -static unsigned long long genHash(const char* fileName) -{ - char fileNameLower[MAX_PATH + 1]; - int i = 0; - for (; i < MAX_PATH && fileName[i] != '\0'; ++i) { - fileNameLower[i] = static_cast<char>(tolower(fileName[i])); - if (fileNameLower[i] == '\\') { - fileNameLower[i] = '/'; - } - } - fileNameLower[i] = '\0'; - - unsigned char* fileNameLowerU = reinterpret_cast<unsigned char*>(fileNameLower); - - char* ext = strrchr(fileNameLower, '.'); - if (ext == nullptr) { - ext = fileNameLower + strlen(fileNameLower); - } - unsigned char* extU = reinterpret_cast<unsigned char*>(ext); - - int length = ext - fileNameLower; - - unsigned long long hash = 0ULL; - - if (length > 0) { - hash = *(extU - 1) | ((length > 2 ? *(ext - 2) : 0) << 8) | (length << 16) | - (fileNameLowerU[0] << 24); - } - - if (strlen(ext) > 0) { - if (strcmp(ext + 1, "kf") == 0) { - hash |= 0x80; - } else if (strcmp(ext + 1, "nif") == 0) { - hash |= 0x8000; - } else if (strcmp(ext + 1, "dds") == 0) { - hash |= 0x8080; - } else if (strcmp(ext + 1, "wav") == 0) { - hash |= 0x80000000; - } - - unsigned long long temp = - static_cast<unsigned long long>(genHashInt(fileNameLowerU + 1, extU - 2)); - temp += static_cast<unsigned long long>(genHashInt(extU, extU + strlen(ext))); - - hash |= (temp & 0xFFFFFFFF) << 32; - } - return hash; -} - -DummyBSA::DummyBSA(unsigned long bsaVersion) - : m_Version(bsaVersion), m_FolderName(""), m_FileName("dummy.dds"), - m_TotalFileNameLength(0) -{} - -void DummyBSA::writeHeader(QFile& file) -{ - unsigned char header[] = { - 'B', 'S', 'A', '\0', // magic string - 0xDE, 0xAD, 0xBE, 0xEF, // version - insert later - 0x24, 0x00, 0x00, 0x00, // offset to folder recors. header size is static - 0xDE, 0xAD, 0xBE, 0xEF, // archive flags - insert later - 0x01, 0x00, 0x00, 0x00, // folder count - 0x01, 0x00, 0x00, 0x00, // file count - 0xDE, 0xAD, 0xBE, 0xEF, // total folder names length - insert later - 0xDE, 0xAD, 0xBE, 0xEF, // total file names length - insert later - 0xDE, 0xAD, 0xBE, 0xEF // file flags - insert later - }; - - writeUlong(header, 4, m_Version); - writeUlong(header, 12, 0x01 | 0x02); // has directories and has files. - writeUlong(header, 24, - static_cast<unsigned long>(m_FolderName.length()) + - 1); // empty folder name - writeUlong(header, 28, m_TotalFileNameLength); // single character file name - - writeUlong(header, 32, 2); // has dds - - file.write(reinterpret_cast<char*>(header), sizeof(header)); -} - -void DummyBSA::writeFolderRecord(QFile& file, const std::string& folderName) -{ - unsigned char folderRecord[] = { - 0xDE, 0xAD, 0xBE, 0xEF, 0xDE, 0xAD, 0xBE, 0xEF, // folder hash - 0x01, 0x00, 0x00, 0x00, // file count - 0xDE, 0xAD, 0xBE, 0xEF, // offset to folder name - }; - // we'd usually have to sort folders be the hash value generated here - writeUlonglong(folderRecord, 0, genHash(folderName.c_str())); - writeUlong(folderRecord, 12, - 0x34 + m_TotalFileNameLength); // TODO: this should be calculated properly - - file.write(reinterpret_cast<char*>(folderRecord), sizeof(folderRecord)); -} - -void DummyBSA::writeFileRecord(QFile& file, const std::string& fileName) -{ - unsigned char fileRecord[] = { - 0xDE, 0xAD, 0xBE, 0xEF, 0xDE, 0xAD, 0xBE, 0xEF, // file name hash - 0xDE, 0xAD, 0xBE, 0xEF, // size - 0xDE, 0xAD, 0xBE, 0xEF, // offset to file data - }; - - // we'd usually have to sort files by the value generated here - writeUlonglong(fileRecord, 0, genHash(fileName.c_str())); - writeUlong(fileRecord, 8, 0); - writeUlong( - fileRecord, 12, - 0x44 + static_cast<unsigned long>(fileName.length() + 1) + - 4); // after this record we expect the filename and 4 bytes of file size - - file.write(reinterpret_cast<char*>(fileRecord), sizeof(fileRecord)); -} - -void DummyBSA::writeFileRecordBlocks(QFile& file, const std::string& folderName) -{ - file.write(folderName.c_str(), folderName.length() + 1); - - writeFileRecord(file, m_FileName); -} - -void DummyBSA::write(const QString& fileName) -{ - QFile file(fileName); - file.open(QIODevice::WriteOnly); - - m_TotalFileNameLength = static_cast<unsigned long>(m_FileName.length() + 1); - - writeHeader(file); - writeFolderRecord(file, m_FolderName); - writeFileRecordBlocks(file, m_FolderName); - file.write(m_FileName.c_str(), m_FileName.length() + 1); - char fileSize[] = {0x00, 0x00, 0x00, 0x00}; - file.write(fileSize, sizeof(fileSize)); - file.close(); -} |
