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- //
- // Created by Иван_Архипов on 07.11.2017.
- //
- #include "SubDirectory.h"
- #include "DatFile.h"
- #include "DatException.h"
- #include "Subfile.h"
- #include "BinaryData.h"
- #include "EasyLogging++/easylogging++.h"
- #include "Subfiles/TextSubfile.h"
- #include "Subfiles/DdsSubfile.h"
- #include "Subfiles/FontSubfile.h"
- #include "Subfiles/JpgSubfile.h"
- #include "Subfiles/OggSubfile.h"
- #include "Subfiles/WavSubfile.h"
- #include "Subfiles/UnknownSubfile.h"
- namespace LOTRO_DAT {
- SubDirectory::SubDirectory() {
- offset_ = 0;
- }
- SubDirectory::~SubDirectory() {
- subfiles_.clear();
- subdirs_.clear();
- }
- SubDirectory::SubDirectory(long long offset, DatFile *dat, long long max_subdirs) :
- dat_(dat), offset_(offset), max_subdirs_(max_subdirs) {
- LOG(DEBUG) << "Initialising " << offset_ << " SubDirectory";
- LOG(DEBUG) << "Processing SubDirectories";
- if (!MakeSubDirectories()) {
- subfiles_.clear();
- subdirs_.clear();
- return;
- }
- LOG(DEBUG) << "Processing SubFiles";
- if (!MakeSubFiles()) {
- subfiles_.clear();
- subdirs_.clear();
- return;
- }
- LOG(DEBUG) << "SubDirectory " << offset_ << " initialized successfully";
- }
- bool SubDirectory::MakeSubDirectories() {
- BinaryData data(1024);
- dat_->ReadData(data, 63 * 8, offset_);
- if (data.Empty()) {
- LOG(ERROR) << "(READ ERROR) Incorrect directory at offset " << offset_;
- return false;
- }
- if (data.ToNumber<4>(0) != 0 || data.ToNumber<4>(4) != 0) {
- LOG(DEBUG) << "first 8 bytes are not equal to 0 at offset " << offset_;
- return false;
- }
- for (unsigned int i = 8; i < 63 * 8; i += 8) {
- if (data.ToNumber<4>(i) == 0 || data.ToNumber<4>(i + 4) == 0)
- break;
- SubDirectory *subdir = new SubDirectory(data.ToNumber<4>(i + 4), dat_);
- if (subdir->subfiles_.empty() && subdir->subdirs_.empty()) {
- LOG(WARNING) << "Sub-subdirectory is empty or made empty... Dictionary offset = " << offset_ + i << "; Passing others";
- break;
- } else
- subdirs_.push_back(subdir);
- }
- return true;
- }
- bool SubDirectory::MakeSubFiles() {
- BinaryData data = BinaryData(4);
- dat_->ReadData(data, 4, offset_ + 63 * 8);
- if (data.Empty()) {
- LOG(ERROR) << "(READ ERROR) Incorrect directory at offset " << offset_;
- return false;
- }
- auto subfiles_number = data.ToNumber<4>(0);
- if (subfiles_number >= 64) {
- LOG(ERROR) << "Incorrect directory at offset " << offset_;
- return false;
- }
- for (int i = 0; i < subfiles_number; i++) {
- BinaryData header(32);
- dat_->ReadData(header, 32, offset_ + 63 * 8 + 4 + 32 * i);
- if (header.Empty()) {
- LOG(ERROR) << "(READ ERROR) Incorrect directory at offset " << offset_;
- return false;
- }
- if (header.ToNumber<4>(20) == 0 || header.ToNumber<4>(28) != 0)
- continue;
- subfiles_.push_back(
- MakeSubfile(
- offset_ + 63 * 8 + 4 + 32 * i,
- header.ToNumber<4>(0), // unknown1
- header.ToNumber<4>(4), // file_id
- header.ToNumber<4>(8), // file_offset
- header.ToNumber<4>(12), // file_size
- header.ToNumber<4>(16), // timestamp
- header.ToNumber<4>(20), // version
- header.ToNumber<4>(24), // block_size
- header.ToNumber<4>(28) // unknown2 - must be zero??
- )
- );
- if (!dat_->CorrectSubfile(subfiles_.back())) {
- LOG(WARNING) << "Incorrect Subfile in directory at offset " << offset_ + 63 * 8 + 4 + 32 * i;
- subfiles_.pop_back();
- //break;
- }
- }
- return true;
- }
- void SubDirectory::MakeDictionary(std::unordered_map<long long, Subfile *> &dict) {
- for (Subfile *i : subfiles_) {
- if (dict.count(i->file_id() != 0)) {
- LOG(WARNING) << "Found multiple instances of file " << i->file_id() << " at dictionary offset "
- << i->dictionary_offset() << ". Base offset = " << dict[i->file_id()]->dictionary_offset();
- continue;
- }
- dict[i->file_id()] = i;
- }
- for (SubDirectory *i : subdirs_)
- i->MakeDictionary(dict);
- }
- Subfile *SubDirectory::MakeSubfile(long long dictionary_offset, long long unknown1, long long file_id,
- long long file_offset, long long file_size, long long timestamp,
- long long version, long long block_size, long long unknown2) {
- FILE_TYPE type = GetSubfileType(file_id, file_offset);
- switch (type) {
- case TEXT:
- return dynamic_cast<Subfile *>(new TextSubfile(dat_, dictionary_offset, unknown1, file_id, file_offset, file_size, timestamp, version, block_size, unknown2));
- case JPG:
- return dynamic_cast<Subfile *>(new JpgSubfile(dat_, dictionary_offset, unknown1, file_id, file_offset, file_size, timestamp, version, block_size, unknown2));
- case DDS:
- return dynamic_cast<Subfile *>(new DdsSubfile(dat_, dictionary_offset, unknown1, file_id, file_offset, file_size, timestamp, version, block_size, unknown2));
- case WAV:
- return dynamic_cast<Subfile *>(new WavSubfile(dat_, dictionary_offset, unknown1, file_id, file_offset, file_size, timestamp, version, block_size, unknown2));
- case OGG:
- return dynamic_cast<Subfile *>(new OggSubfile(dat_, dictionary_offset, unknown1, file_id, file_offset, file_size, timestamp, version, block_size, unknown2));
- case FONT:
- return dynamic_cast<Subfile *>(new FontSubfile(dat_, dictionary_offset, unknown1, file_id, file_offset, file_size, timestamp, version, block_size, unknown2));
- case UNKNOWN:
- return dynamic_cast<Subfile *>(new UnknownSubfile(dat_, dictionary_offset, unknown1, file_id, file_offset, file_size, timestamp, version, block_size, unknown2));
- }
- LOG(ERROR) << "Incorrect file type..";
- return dynamic_cast<Subfile *>(new UnknownSubfile(dat_, dictionary_offset, unknown1, file_id, file_offset, file_size, timestamp, version, block_size, unknown2));
- }
- FILE_TYPE SubDirectory::GetSubfileType(long long file_id, long long file_offset) const {
- // Text check based on file_id
- if ((file_id >> 24ll) == 0x25ll)
- return TEXT;
- // Font check based on file_id
- if ((file_id >> 24ll) == 0x42ll)
- return FONT;
- BinaryData header(64);
- try {
- dat_->ReadData(header, 64, (unsigned) file_offset + 8);
- }catch (DatException &e) {
- if (e.type() == READ_EXCEPTION) {
- LOG(ERROR) << "Unable to read file header. file_id = " << file_id << ", offset = " << offset_;
- std::string err =
- "Bad Subfile::getExtension() - unable to read header of file with id = " +
- std::to_string(file_id) +
- " and offset = " + std::to_string(file_offset);
- throw DatException(err.c_str(), SUBFILE_EXCEPTION);
- } else
- throw e;
- }
- // jpeg / dds check
- if ((file_id >> 24ll) == 0x41ll) {
- long long soi = header.ToNumber<2>(24);
- long long marker = header.ToNumber<2>(26);
- //auto markerSize = header.ToNumber<short>(28);
- //auto four = header.ToNumber<int>(30);
- if ((soi == 0xD8FFll && marker == 0xE0FFll) || marker == 0xE1FFll)
- return JPG;
- return DDS;
- }
- // Ogg and Wav check
- if (header[8] == 0x4F && header[9] == 0x67 && header[10] == 0x67 && header[11] == 0x53)
- return OGG;
- if (header[8] == 0x52 && header[9] == 0x49 && header[10] == 0x46 && header[11] == 0x46)
- return WAV;
- return UNKNOWN;
- }
- };
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