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686 lines
26 KiB
C++
686 lines
26 KiB
C++
#include "ba2dx10file.hpp"
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#include <cassert>
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#include <filesystem>
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#include <fstream>
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#include <lz4frame.h>
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#if defined(_MSC_VER)
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// why is this necessary? These are included with /external:I
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#pragma warning(push)
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#pragma warning(disable : 4706)
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#pragma warning(disable : 4702)
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#include <boost/iostreams/copy.hpp>
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#include <boost/iostreams/filter/zlib.hpp>
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#include <boost/iostreams/filtering_stream.hpp>
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#include <boost/iostreams/filtering_streambuf.hpp>
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#pragma warning(pop)
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#else
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#include <boost/iostreams/copy.hpp>
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#include <boost/iostreams/filter/zlib.hpp>
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#include <boost/iostreams/filtering_stream.hpp>
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#include <boost/iostreams/filtering_streambuf.hpp>
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#endif
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#include <boost/iostreams/device/array.hpp>
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#include <components/bsa/ba2file.hpp>
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#include <components/bsa/memorystream.hpp>
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#include <components/esm/fourcc.hpp>
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#include <components/files/constrainedfilestream.hpp>
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#include <components/files/conversion.hpp>
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#include <components/misc/strings/lower.hpp>
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namespace Bsa
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{
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BA2DX10File::BA2DX10File() {}
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BA2DX10File::~BA2DX10File() = default;
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void BA2DX10File::loadFiles(uint32_t fileCount, std::istream& in)
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{
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mFiles.clear();
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mFiles.reserve(fileCount);
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for (uint32_t i = 0; i < fileCount; ++i)
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{
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uint32_t nameHash, extHash, dirHash;
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in.read(reinterpret_cast<char*>(&nameHash), sizeof(uint32_t));
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in.read(reinterpret_cast<char*>(&extHash), sizeof(uint32_t));
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in.read(reinterpret_cast<char*>(&dirHash), sizeof(uint32_t));
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FileRecord file;
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uint8_t unknown;
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in.read(reinterpret_cast<char*>(&unknown), sizeof(uint8_t));
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uint8_t nbChunks;
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in.read(reinterpret_cast<char*>(&nbChunks), sizeof(uint8_t));
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file.texturesChunks.resize(nbChunks);
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uint16_t chunkHeaderSize;
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in.read(reinterpret_cast<char*>(&chunkHeaderSize), sizeof(uint16_t));
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if (chunkHeaderSize != 24)
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fail("Corrupted BSA");
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in.read(reinterpret_cast<char*>(&file.height), sizeof(uint16_t));
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in.read(reinterpret_cast<char*>(&file.width), sizeof(uint16_t));
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in.read(reinterpret_cast<char*>(&file.numMips), sizeof(uint8_t));
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in.read(reinterpret_cast<char*>(&file.DXGIFormat), sizeof(uint8_t));
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in.read(reinterpret_cast<char*>(&file.cubeMaps), sizeof(uint16_t));
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for (auto& texture : file.texturesChunks)
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{
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in.read(reinterpret_cast<char*>(&texture.offset), sizeof(int64_t));
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in.read(reinterpret_cast<char*>(&texture.packedSize), sizeof(uint32_t));
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in.read(reinterpret_cast<char*>(&texture.size), sizeof(uint32_t));
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in.read(reinterpret_cast<char*>(&texture.startMip), sizeof(uint16_t));
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in.read(reinterpret_cast<char*>(&texture.endMip), sizeof(uint16_t));
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uint32_t baadfood;
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in.read(reinterpret_cast<char*>(&baadfood), sizeof(uint32_t));
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if (baadfood != 0xBAADF00D)
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fail("Corrupted BSA");
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}
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mFolders[dirHash][{ nameHash, extHash }] = std::move(file);
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FileStruct fileStruct{};
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mFiles.push_back(fileStruct);
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}
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}
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/// Read header information from the input source
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void BA2DX10File::readHeader()
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{
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assert(!mIsLoaded);
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std::ifstream input(mFilepath, std::ios_base::binary);
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// Total archive size
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std::streamoff fsize = 0;
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if (input.seekg(0, std::ios_base::end))
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{
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fsize = input.tellg();
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input.seekg(0);
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}
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if (fsize < 24) // header is 24 bytes
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fail("File too small to be a valid BSA archive");
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// Get essential header numbers
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uint32_t type, fileCount;
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uint64_t fileTableOffset;
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{
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uint32_t header[4];
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input.read(reinterpret_cast<char*>(header), 16);
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input.read(reinterpret_cast<char*>(&fileTableOffset), 8);
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if (header[0] != ESM::fourCC("BTDX"))
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fail("Unrecognized BA2 signature");
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mVersion = header[1];
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switch (static_cast<BA2Version>(mVersion))
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{
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case BA2Version::Fallout4:
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case BA2Version::Fallout4NextGen_v7:
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case BA2Version::Fallout4NextGen_v8:
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break;
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case BA2Version::StarfieldDDS:
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uint64_t dummy;
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input.read(reinterpret_cast<char*>(&dummy), 8);
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uint32_t compressionMethod;
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input.read(reinterpret_cast<char*>(&compressionMethod), 4);
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if (compressionMethod == 3)
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fail("Unsupported LZ4-compressed DDS BA2");
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break;
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default:
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fail("Unrecognized DDS BA2 version");
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}
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type = header[2];
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fileCount = header[3];
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}
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if (type == ESM::fourCC("DX10"))
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loadFiles(fileCount, input);
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else
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fail("Unrecognized ba2 version type");
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// Read the string table
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input.seekg(fileTableOffset);
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for (uint32_t i = 0; i < fileCount; ++i)
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{
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std::vector<char> fileName;
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uint16_t fileNameSize;
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input.read(reinterpret_cast<char*>(&fileNameSize), sizeof(uint16_t));
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fileName.resize(fileNameSize);
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input.read(fileName.data(), fileName.size());
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fileName.push_back('\0');
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mFileNames.push_back(fileName);
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mFiles[i].setNameInfos(0, &mFileNames.back());
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}
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mIsLoaded = true;
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}
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std::optional<BA2DX10File::FileRecord> BA2DX10File::getFileRecord(const std::string& str) const
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{
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for (const auto c : str)
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{
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if (((static_cast<unsigned>(c) >> 7U) & 1U) != 0U)
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{
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fail("File record " + str + " contains unicode characters, refusing to load.");
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}
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}
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#ifdef _WIN32
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const auto& path = str;
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#else
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// Force-convert the path into something UNIX can handle first
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// to make sure std::filesystem::path doesn't think the entire path is the filename on Linux
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// and subsequently purge it to determine the file folder.
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std::string path = str;
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std::replace(path.begin(), path.end(), '\\', '/');
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#endif
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const auto p = std::filesystem::path{ path }; // Purposefully damage Unicode strings.
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const auto fileName = Misc::StringUtils::lowerCase(p.stem().string());
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const auto ext = Misc::StringUtils::lowerCase(p.extension().string()); // Purposefully damage Unicode strings.
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const auto folder = Misc::StringUtils::lowerCase(p.parent_path().string());
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uint32_t folderHash = generateHash(folder);
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auto it = mFolders.find(folderHash);
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if (it == mFolders.end())
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return std::nullopt; // folder not found
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uint32_t fileHash = generateHash(fileName);
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uint32_t extHash = generateExtensionHash(ext);
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auto iter = it->second.find({ fileHash, extHash });
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if (iter == it->second.end())
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return std::nullopt; // file not found
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return iter->second;
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}
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#pragma pack(push)
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#pragma pack(1)
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struct DDSHeader
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{
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uint32_t size = 0;
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uint32_t flags = 0;
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uint32_t height = 0;
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uint32_t width = 0;
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uint32_t pitchOrLinearSize = 0;
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uint32_t depth = 0;
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uint32_t mipMapCount = 0;
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uint32_t reserved1[11] = {};
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struct
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{
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uint32_t size = 0;
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uint32_t flags = 0;
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uint32_t fourCC = 0;
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uint32_t RGBBitCount = 0;
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uint32_t RBitMask = 0;
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uint32_t GBitMask = 0;
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uint32_t BBitMask = 0;
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uint32_t ABitMask = 0;
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} ddspf;
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uint32_t caps = 0;
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uint32_t caps2 = 0;
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uint32_t caps3 = 0;
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uint32_t caps4 = 0;
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uint32_t reserved2 = 0;
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};
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struct DDSHeaderDX10 : DDSHeader
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{
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int32_t dxgiFormat = 0;
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uint32_t resourceDimension = 0;
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uint32_t miscFlags = 0;
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uint32_t arraySize = 0;
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uint32_t miscFlags2 = 0;
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};
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#pragma pack(pop)
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Files::IStreamPtr BA2DX10File::getFile(const FileStruct* file)
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{
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if (auto fileRec = getFileRecord(file->name()); fileRec)
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return getFile(*fileRec);
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fail("File not found: " + std::string(file->name()));
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}
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void BA2DX10File::addFile(const std::string& filename, std::istream& file)
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{
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assert(false); // not implemented yet
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fail("Add file is not implemented for compressed BSA: " + filename);
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}
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Files::IStreamPtr BA2DX10File::getFile(const char* file)
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{
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if (auto fileRec = getFileRecord(file); fileRec)
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return getFile(*fileRec);
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fail("File not found: " + std::string(file));
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}
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constexpr const uint32_t DDSD_CAPS = 0x00000001;
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constexpr const uint32_t DDSD_HEIGHT = 0x00000002;
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constexpr const uint32_t DDSD_WIDTH = 0x00000004;
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constexpr const uint32_t DDSD_PITCH = 0x00000008;
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constexpr const uint32_t DDSD_PIXELFORMAT = 0x00001000;
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constexpr const uint32_t DDSD_MIPMAPCOUNT = 0x00020000;
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constexpr const uint32_t DDSD_LINEARSIZE = 0x00080000;
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constexpr const uint32_t DDSCAPS_COMPLEX = 0x00000008;
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constexpr const uint32_t DDSCAPS_TEXTURE = 0x00001000;
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constexpr const uint32_t DDSCAPS_MIPMAP = 0x00400000;
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constexpr const uint32_t DDSCAPS2_CUBEMAP = 0x00000200;
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constexpr const uint32_t DDSCAPS2_POSITIVEX = 0x00000400;
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constexpr const uint32_t DDSCAPS2_NEGATIVEX = 0x00000800;
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constexpr const uint32_t DDSCAPS2_POSITIVEY = 0x00001000;
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constexpr const uint32_t DDSCAPS2_NEGATIVEY = 0x00002000;
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constexpr const uint32_t DDSCAPS2_POSITIVEZ = 0x00004000;
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constexpr const uint32_t DDSCAPS2_NEGATIVEZ = 0x00008000;
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constexpr const uint32_t DDPF_ALPHAPIXELS = 0x00000001;
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constexpr const uint32_t DDPF_ALPHA = 0x00000002;
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constexpr const uint32_t DDPF_FOURCC = 0x00000004;
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constexpr const uint32_t DDPF_RGB = 0x00000040;
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constexpr const uint32_t DDPF_LUMINANCE = 0x00020000;
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constexpr const uint32_t DDS_DIMENSION_TEXTURE2D = 0x00000003;
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constexpr const uint32_t DDS_RESOURCE_MISC_TEXTURECUBE = 0x00000004;
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enum DXGI : uint8_t
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{
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DXGI_FORMAT_UNKNOWN = 0,
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DXGI_FORMAT_R32G32B32A32_TYPELESS,
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DXGI_FORMAT_R32G32B32A32_FLOAT,
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DXGI_FORMAT_R32G32B32A32_UINT,
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DXGI_FORMAT_R32G32B32A32_SINT,
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DXGI_FORMAT_R32G32B32_TYPELESS,
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DXGI_FORMAT_R32G32B32_FLOAT,
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DXGI_FORMAT_R32G32B32_UINT,
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DXGI_FORMAT_R32G32B32_SINT,
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DXGI_FORMAT_R16G16B16A16_TYPELESS,
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DXGI_FORMAT_R16G16B16A16_FLOAT,
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DXGI_FORMAT_R16G16B16A16_UNORM,
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DXGI_FORMAT_R16G16B16A16_UINT,
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DXGI_FORMAT_R16G16B16A16_SNORM,
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DXGI_FORMAT_R16G16B16A16_SINT,
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DXGI_FORMAT_R32G32_TYPELESS,
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DXGI_FORMAT_R32G32_FLOAT,
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DXGI_FORMAT_R32G32_UINT,
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DXGI_FORMAT_R32G32_SINT,
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DXGI_FORMAT_R32G8X24_TYPELESS,
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DXGI_FORMAT_D32_FLOAT_S8X24_UINT,
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DXGI_FORMAT_R32_FLOAT_X8X24_TYPELESS,
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DXGI_FORMAT_X32_TYPELESS_G8X24_UINT,
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DXGI_FORMAT_R10G10B10A2_TYPELESS,
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DXGI_FORMAT_R10G10B10A2_UNORM,
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DXGI_FORMAT_R10G10B10A2_UINT,
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DXGI_FORMAT_R11G11B10_FLOAT,
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DXGI_FORMAT_R8G8B8A8_TYPELESS,
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DXGI_FORMAT_R8G8B8A8_UNORM,
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DXGI_FORMAT_R8G8B8A8_UNORM_SRGB,
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DXGI_FORMAT_R8G8B8A8_UINT,
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DXGI_FORMAT_R8G8B8A8_SNORM,
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DXGI_FORMAT_R8G8B8A8_SINT,
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DXGI_FORMAT_R16G16_TYPELESS,
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DXGI_FORMAT_R16G16_FLOAT,
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DXGI_FORMAT_R16G16_UNORM,
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DXGI_FORMAT_R16G16_UINT,
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DXGI_FORMAT_R16G16_SNORM,
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DXGI_FORMAT_R16G16_SINT,
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DXGI_FORMAT_R32_TYPELESS,
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DXGI_FORMAT_D32_FLOAT,
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DXGI_FORMAT_R32_FLOAT,
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DXGI_FORMAT_R32_UINT,
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DXGI_FORMAT_R32_SINT,
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DXGI_FORMAT_R24G8_TYPELESS,
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DXGI_FORMAT_D24_UNORM_S8_UINT,
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DXGI_FORMAT_R24_UNORM_X8_TYPELESS,
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DXGI_FORMAT_X24_TYPELESS_G8_UINT,
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DXGI_FORMAT_R8G8_TYPELESS,
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DXGI_FORMAT_R8G8_UNORM,
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DXGI_FORMAT_R8G8_UINT,
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DXGI_FORMAT_R8G8_SNORM,
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DXGI_FORMAT_R8G8_SINT,
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DXGI_FORMAT_R16_TYPELESS,
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DXGI_FORMAT_R16_FLOAT,
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DXGI_FORMAT_D16_UNORM,
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DXGI_FORMAT_R16_UNORM,
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DXGI_FORMAT_R16_UINT,
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DXGI_FORMAT_R16_SNORM,
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DXGI_FORMAT_R16_SINT,
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DXGI_FORMAT_R8_TYPELESS,
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DXGI_FORMAT_R8_UNORM,
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DXGI_FORMAT_R8_UINT,
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DXGI_FORMAT_R8_SNORM,
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DXGI_FORMAT_R8_SINT,
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DXGI_FORMAT_A8_UNORM,
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DXGI_FORMAT_R1_UNORM,
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DXGI_FORMAT_R9G9B9E5_SHAREDEXP,
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DXGI_FORMAT_R8G8_B8G8_UNORM,
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DXGI_FORMAT_G8R8_G8B8_UNORM,
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DXGI_FORMAT_BC1_TYPELESS,
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DXGI_FORMAT_BC1_UNORM,
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DXGI_FORMAT_BC1_UNORM_SRGB,
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DXGI_FORMAT_BC2_TYPELESS,
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DXGI_FORMAT_BC2_UNORM,
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DXGI_FORMAT_BC2_UNORM_SRGB,
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DXGI_FORMAT_BC3_TYPELESS,
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DXGI_FORMAT_BC3_UNORM,
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DXGI_FORMAT_BC3_UNORM_SRGB,
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DXGI_FORMAT_BC4_TYPELESS,
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DXGI_FORMAT_BC4_UNORM,
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DXGI_FORMAT_BC4_SNORM,
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DXGI_FORMAT_BC5_TYPELESS,
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DXGI_FORMAT_BC5_UNORM,
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DXGI_FORMAT_BC5_SNORM,
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DXGI_FORMAT_B5G6R5_UNORM,
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DXGI_FORMAT_B5G5R5A1_UNORM,
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DXGI_FORMAT_B8G8R8A8_UNORM,
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DXGI_FORMAT_B8G8R8X8_UNORM,
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DXGI_FORMAT_R10G10B10_XR_BIAS_A2_UNORM,
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DXGI_FORMAT_B8G8R8A8_TYPELESS,
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DXGI_FORMAT_B8G8R8A8_UNORM_SRGB,
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DXGI_FORMAT_B8G8R8X8_TYPELESS,
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DXGI_FORMAT_B8G8R8X8_UNORM_SRGB,
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DXGI_FORMAT_BC6H_TYPELESS,
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DXGI_FORMAT_BC6H_UF16,
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DXGI_FORMAT_BC6H_SF16,
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DXGI_FORMAT_BC7_TYPELESS,
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DXGI_FORMAT_BC7_UNORM,
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DXGI_FORMAT_BC7_UNORM_SRGB,
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DXGI_FORMAT_AYUV,
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DXGI_FORMAT_Y410,
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DXGI_FORMAT_Y416,
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DXGI_FORMAT_NV12,
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DXGI_FORMAT_P010,
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DXGI_FORMAT_P016,
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DXGI_FORMAT_420_OPAQUE,
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DXGI_FORMAT_YUY2,
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DXGI_FORMAT_Y210,
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DXGI_FORMAT_Y216,
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DXGI_FORMAT_NV11,
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DXGI_FORMAT_AI44,
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DXGI_FORMAT_IA44,
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DXGI_FORMAT_P8,
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DXGI_FORMAT_A8P8,
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DXGI_FORMAT_B4G4R4A4_UNORM,
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DXGI_FORMAT_P208,
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DXGI_FORMAT_V208,
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DXGI_FORMAT_V408
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};
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Files::IStreamPtr BA2DX10File::getFile(const FileRecord& fileRecord)
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{
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DDSHeaderDX10 header;
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header.size = sizeof(DDSHeader);
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header.width = fileRecord.width;
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header.height = fileRecord.height;
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header.flags = DDSD_CAPS | DDSD_PIXELFORMAT | DDSD_WIDTH | DDSD_HEIGHT | DDSD_MIPMAPCOUNT;
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header.caps = DDSCAPS_TEXTURE;
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header.mipMapCount = fileRecord.numMips;
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if (header.mipMapCount > 1)
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header.caps = header.caps | DDSCAPS_MIPMAP | DDSCAPS_COMPLEX;
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header.depth = 0;
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header.resourceDimension = DDS_DIMENSION_TEXTURE2D;
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header.arraySize = 1;
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if (fileRecord.cubeMaps == 2049)
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{
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header.caps = header.caps | DDSCAPS_COMPLEX;
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header.caps2 = DDSCAPS2_CUBEMAP | DDSCAPS2_POSITIVEX | DDSCAPS2_NEGATIVEX | DDSCAPS2_POSITIVEY
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| DDSCAPS2_NEGATIVEY | DDSCAPS2_POSITIVEZ | DDSCAPS2_NEGATIVEZ;
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header.miscFlags = DDS_RESOURCE_MISC_TEXTURECUBE;
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}
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header.ddspf.size = sizeof(header.ddspf);
|
|
switch (DXGI(fileRecord.DXGIFormat))
|
|
{
|
|
case DXGI_FORMAT_BC1_UNORM:
|
|
{
|
|
header.flags = header.flags | DDSD_LINEARSIZE;
|
|
header.ddspf.flags = DDPF_FOURCC;
|
|
header.ddspf.fourCC = ESM::fourCC("DXT1");
|
|
header.pitchOrLinearSize = fileRecord.width * fileRecord.height / 2;
|
|
break;
|
|
}
|
|
case DXGI_FORMAT_BC2_UNORM:
|
|
{
|
|
header.flags = header.flags | DDSD_LINEARSIZE;
|
|
header.ddspf.flags = DDPF_FOURCC;
|
|
header.ddspf.fourCC = ESM::fourCC("DXT3");
|
|
header.pitchOrLinearSize = fileRecord.width * fileRecord.height;
|
|
break;
|
|
}
|
|
case DXGI_FORMAT_BC3_UNORM:
|
|
{
|
|
header.flags = header.flags | DDSD_LINEARSIZE;
|
|
header.ddspf.flags = DDPF_FOURCC;
|
|
header.ddspf.fourCC = ESM::fourCC("DXT5");
|
|
header.pitchOrLinearSize = fileRecord.width * fileRecord.height;
|
|
break;
|
|
}
|
|
case DXGI_FORMAT_BC4_SNORM:
|
|
{
|
|
header.flags = header.flags | DDSD_LINEARSIZE;
|
|
header.ddspf.flags = DDPF_FOURCC;
|
|
header.ddspf.fourCC = ESM::fourCC("BC4S");
|
|
header.pitchOrLinearSize = fileRecord.width * fileRecord.height / 2;
|
|
break;
|
|
}
|
|
case DXGI_FORMAT_BC4_UNORM:
|
|
{
|
|
header.flags = header.flags | DDSD_LINEARSIZE;
|
|
header.ddspf.flags = DDPF_FOURCC;
|
|
header.ddspf.fourCC = ESM::fourCC("BC4U");
|
|
header.pitchOrLinearSize = fileRecord.width * fileRecord.height / 2;
|
|
break;
|
|
}
|
|
case DXGI_FORMAT_BC5_SNORM:
|
|
{
|
|
header.flags = header.flags | DDSD_LINEARSIZE;
|
|
header.ddspf.flags = DDPF_FOURCC;
|
|
header.ddspf.fourCC = ESM::fourCC("BC5S");
|
|
header.pitchOrLinearSize = fileRecord.width * fileRecord.height;
|
|
break;
|
|
}
|
|
case DXGI_FORMAT_BC5_UNORM:
|
|
{
|
|
header.flags = header.flags | DDSD_LINEARSIZE;
|
|
header.ddspf.flags = DDPF_FOURCC;
|
|
header.ddspf.fourCC = ESM::fourCC("BC5U");
|
|
header.pitchOrLinearSize = fileRecord.width * fileRecord.height;
|
|
break;
|
|
}
|
|
case DXGI_FORMAT_BC1_UNORM_SRGB:
|
|
{
|
|
header.flags = header.flags | DDSD_LINEARSIZE;
|
|
header.ddspf.flags = DDPF_FOURCC;
|
|
header.ddspf.fourCC = ESM::fourCC("DX10");
|
|
header.dxgiFormat = int32_t(fileRecord.DXGIFormat);
|
|
header.pitchOrLinearSize = fileRecord.width * fileRecord.height / 2;
|
|
break;
|
|
}
|
|
case DXGI_FORMAT_BC2_UNORM_SRGB:
|
|
case DXGI_FORMAT_BC3_UNORM_SRGB:
|
|
case DXGI_FORMAT_BC6H_UF16:
|
|
case DXGI_FORMAT_BC6H_SF16:
|
|
case DXGI_FORMAT_BC7_UNORM:
|
|
case DXGI_FORMAT_BC7_UNORM_SRGB:
|
|
{
|
|
header.flags = header.flags | DDSD_LINEARSIZE;
|
|
header.ddspf.flags = DDPF_FOURCC;
|
|
header.ddspf.fourCC = ESM::fourCC("DX10");
|
|
header.dxgiFormat = int32_t(fileRecord.DXGIFormat);
|
|
header.pitchOrLinearSize = fileRecord.width * fileRecord.height;
|
|
break;
|
|
}
|
|
case DXGI_FORMAT_B8G8R8A8_UNORM_SRGB:
|
|
case DXGI_FORMAT_B8G8R8X8_UNORM_SRGB:
|
|
case DXGI_FORMAT_R8G8B8A8_SINT:
|
|
case DXGI_FORMAT_R8G8B8A8_UINT:
|
|
case DXGI_FORMAT_R8G8B8A8_UNORM_SRGB:
|
|
{
|
|
header.flags = header.flags | DDSD_PITCH;
|
|
header.ddspf.flags = DDPF_FOURCC;
|
|
header.ddspf.fourCC = ESM::fourCC("DX10");
|
|
header.dxgiFormat = int32_t(fileRecord.DXGIFormat);
|
|
header.pitchOrLinearSize = fileRecord.width * 4;
|
|
break;
|
|
}
|
|
case DXGI_FORMAT_R8G8_SINT:
|
|
case DXGI_FORMAT_R8G8_UINT:
|
|
{
|
|
header.flags = header.flags | DDSD_PITCH;
|
|
header.ddspf.flags = DDPF_FOURCC;
|
|
header.ddspf.fourCC = ESM::fourCC("DX10");
|
|
header.dxgiFormat = int32_t(fileRecord.DXGIFormat);
|
|
header.pitchOrLinearSize = fileRecord.width * 2;
|
|
break;
|
|
}
|
|
case DXGI_FORMAT_R8_SINT:
|
|
case DXGI_FORMAT_R8_SNORM:
|
|
case DXGI_FORMAT_R8_UINT:
|
|
{
|
|
header.flags = header.flags | DDSD_PITCH;
|
|
header.ddspf.flags = DDPF_FOURCC;
|
|
header.ddspf.fourCC = ESM::fourCC("DX10");
|
|
header.dxgiFormat = int32_t(fileRecord.DXGIFormat);
|
|
header.pitchOrLinearSize = fileRecord.width;
|
|
break;
|
|
}
|
|
case DXGI_FORMAT_R8G8B8A8_UNORM:
|
|
{
|
|
header.flags = header.flags | DDSD_PITCH;
|
|
header.ddspf.flags = DDPF_RGB | DDPF_ALPHAPIXELS;
|
|
header.ddspf.RGBBitCount = 32;
|
|
header.ddspf.RBitMask = 0x000000FF;
|
|
header.ddspf.GBitMask = 0x0000FF00;
|
|
header.ddspf.BBitMask = 0x00FF0000;
|
|
header.ddspf.ABitMask = 0xFF000000;
|
|
header.pitchOrLinearSize = fileRecord.width * 4;
|
|
break;
|
|
}
|
|
case DXGI_FORMAT_B8G8R8A8_UNORM:
|
|
{
|
|
header.flags = header.flags | DDSD_PITCH;
|
|
header.ddspf.flags = DDPF_RGB | DDPF_ALPHAPIXELS;
|
|
header.ddspf.RGBBitCount = 32;
|
|
header.ddspf.RBitMask = 0x00FF0000;
|
|
header.ddspf.GBitMask = 0x0000FF00;
|
|
header.ddspf.BBitMask = 0x000000FF;
|
|
header.ddspf.ABitMask = 0xFF000000;
|
|
header.pitchOrLinearSize = fileRecord.width * 4;
|
|
break;
|
|
}
|
|
case DXGI_FORMAT_B8G8R8X8_UNORM:
|
|
{
|
|
header.flags = header.flags | DDSD_PITCH;
|
|
header.ddspf.flags = DDPF_RGB;
|
|
header.ddspf.RGBBitCount = 32;
|
|
header.ddspf.RBitMask = 0x00FF0000;
|
|
header.ddspf.GBitMask = 0x0000FF00;
|
|
header.ddspf.BBitMask = 0x000000FF;
|
|
header.pitchOrLinearSize = fileRecord.width * 4;
|
|
break;
|
|
}
|
|
case DXGI_FORMAT_B5G6R5_UNORM:
|
|
{
|
|
header.flags = header.flags | DDSD_PITCH;
|
|
header.ddspf.flags = DDPF_RGB;
|
|
header.ddspf.RGBBitCount = 16;
|
|
header.ddspf.RBitMask = 0x0000F800;
|
|
header.ddspf.GBitMask = 0x000007E0;
|
|
header.ddspf.BBitMask = 0x0000001F;
|
|
header.pitchOrLinearSize = fileRecord.width * 2;
|
|
break;
|
|
}
|
|
case DXGI_FORMAT_B5G5R5A1_UNORM:
|
|
{
|
|
header.flags = header.flags | DDSD_PITCH;
|
|
header.ddspf.flags = DDPF_RGB | DDPF_ALPHAPIXELS;
|
|
header.ddspf.RGBBitCount = 16;
|
|
header.ddspf.RBitMask = 0x00007C00;
|
|
header.ddspf.GBitMask = 0x000003E0;
|
|
header.ddspf.BBitMask = 0x0000001F;
|
|
header.ddspf.ABitMask = 0x00008000;
|
|
header.pitchOrLinearSize = fileRecord.width * 2;
|
|
break;
|
|
}
|
|
case DXGI_FORMAT_R8G8_UNORM:
|
|
{
|
|
header.flags = header.flags | DDSD_PITCH;
|
|
header.ddspf.flags = DDPF_LUMINANCE | DDPF_ALPHAPIXELS;
|
|
header.ddspf.RGBBitCount = 16;
|
|
header.ddspf.RBitMask = 0x000000FF;
|
|
header.ddspf.ABitMask = 0x0000FF00;
|
|
header.pitchOrLinearSize = fileRecord.width * 2;
|
|
break;
|
|
}
|
|
case DXGI_FORMAT_A8_UNORM:
|
|
{
|
|
header.flags = header.flags | DDSD_PITCH;
|
|
header.ddspf.flags = DDPF_ALPHA;
|
|
header.ddspf.RGBBitCount = 8;
|
|
header.ddspf.ABitMask = 0x000000FF;
|
|
header.pitchOrLinearSize = fileRecord.width;
|
|
break;
|
|
}
|
|
case DXGI_FORMAT_R8_UNORM:
|
|
{
|
|
header.flags = header.flags | DDSD_PITCH;
|
|
header.ddspf.flags = DDPF_LUMINANCE;
|
|
header.ddspf.RGBBitCount = 8;
|
|
header.ddspf.RBitMask = 0x000000FF;
|
|
header.pitchOrLinearSize = fileRecord.width;
|
|
break;
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
|
|
size_t headerSize = (header.ddspf.fourCC == ESM::fourCC("DX10") ? sizeof(DDSHeaderDX10) : sizeof(DDSHeader));
|
|
|
|
size_t textureSize = sizeof(uint32_t) + headerSize; //"DDS " + header
|
|
for (const auto& textureChunk : fileRecord.texturesChunks)
|
|
textureSize += textureChunk.size;
|
|
|
|
auto memoryStreamPtr = std::make_unique<MemoryInputStream>(textureSize);
|
|
char* buff = memoryStreamPtr->getRawData();
|
|
|
|
uint32_t dds = ESM::fourCC("DDS ");
|
|
buff = (char*)std::memcpy(buff, &dds, sizeof(uint32_t)) + sizeof(uint32_t);
|
|
std::memcpy(buff, &header, headerSize);
|
|
|
|
size_t offset = sizeof(uint32_t) + headerSize;
|
|
// append chunks
|
|
for (const auto& c : fileRecord.texturesChunks)
|
|
{
|
|
if (c.packedSize != 0)
|
|
{
|
|
Files::IStreamPtr streamPtr = Files::openConstrainedFileStream(mFilepath, c.offset, c.packedSize);
|
|
std::istream* fileStream = streamPtr.get();
|
|
|
|
boost::iostreams::filtering_streambuf<boost::iostreams::input> inputStreamBuf;
|
|
inputStreamBuf.push(boost::iostreams::zlib_decompressor());
|
|
inputStreamBuf.push(*fileStream);
|
|
|
|
boost::iostreams::basic_array_sink<char> sr(memoryStreamPtr->getRawData() + offset, c.size);
|
|
boost::iostreams::copy(inputStreamBuf, sr);
|
|
}
|
|
// uncompressed chunk
|
|
else
|
|
{
|
|
Files::IStreamPtr streamPtr = Files::openConstrainedFileStream(mFilepath, c.offset, c.size);
|
|
std::istream* fileStream = streamPtr.get();
|
|
|
|
fileStream->read(memoryStreamPtr->getRawData() + offset, c.size);
|
|
}
|
|
offset += c.size;
|
|
}
|
|
|
|
return std::make_unique<Files::StreamWithBuffer<MemoryInputStream>>(std::move(memoryStreamPtr));
|
|
}
|
|
|
|
} // namespace Bsa
|