we can now extract icon0 from pkg (WIP progress in the rest extraction)
This commit is contained in:
georgemoralis
parent
711e9e917d
commit
7bd433ffea
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@ -29,3 +29,38 @@ bool PKG::open(const std::string& filepath) {
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return true;
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}
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bool PKG::extract(const std::string& filepath, const std::string& extractPath, std::string& failreason)
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{
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this->extractPath = extractPath;
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FsFile file;
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if (!file.Open(filepath, fsRead))
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{
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return false;
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}
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pkgSize = file.getFileSize();
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PKGHeader pkgheader;
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file.ReadBE(pkgheader);
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file.Seek(0, fsSeekSet);
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pkg = (U08*)mmap(pkgSize, file.fileDescr());
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file.Read(pkg, pkgSize);
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U32 offset = pkgheader.pkg_table_entry_offset;
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U32 n_files = pkgheader.pkg_table_entry_count;
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for (int i = 0; i < n_files; i++) {
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PKGEntry entry = (PKGEntry&)pkg[offset + i * 0x20];
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ReadBE(entry);
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if (entry.id == 0x1200)//test code for extracting icon0
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{
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FsFile out;
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out.Open(extractPath + "icon0.png", fsWrite);
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out.Write(pkg + entry.offset, entry.size);
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out.Close();
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}
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}
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munmap(pkg);
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return true;
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}
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@ -1,17 +1,105 @@
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#pragma once
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#include <string>
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#include "../../Types.h"
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#include <io.h>
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#include <windows.h>
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struct PKGHeader {
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/*BE*/U32 magic;// Magic
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/*BE*/U32 pkg_type;
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/*BE*/U32 pkg_0x8; //unknown field
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/*BE*/U32 pkg_file_count;
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/*BE*/U32 pkg_table_entry_count;
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/*BE*/U16 pkg_sc_entry_count;
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/*BE*/U16 pkg_table_entry_count_2;// same as pkg_entry_count
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/*BE*/U32 pkg_table_entry_offset;//file table offset
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/*BE*/U32 pkg_sc_entry_data_size;
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/*BE*/U64 pkg_body_offset;//offset of PKG entries
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/*BE*/U64 pkg_body_size;//length of all PKG entries
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/*BE*/U64 pkg_content_offset;
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/*BE*/U64 pkg_content_size;
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U08 pkg_content_id[0x24];//packages' content ID as a 36-byte string
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U08 pkg_padding[0xC];//padding
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/*BE*/U32 pkg_drm_type;//DRM type
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/*BE*/U32 pkg_content_type;//Content type
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/*BE*/U32 pkg_content_flags;//Content flags
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/*BE*/U32 pkg_promote_size;
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/*BE*/U32 pkg_version_date;
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/*BE*/U32 pkg_version_hash;
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/*BE*/U32 pkg_0x088;
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/*BE*/U32 pkg_0x08C;
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/*BE*/U32 pkg_0x090;
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/*BE*/U32 pkg_0x094;
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/*BE*/U32 pkg_iro_tag;
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/*BE*/U32 pkg_drm_type_version;
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U08 pkg_zeroes_1[0x60];
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/* Digest table */
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U08 digest_entries1[0x20]; // sha256 digest for main entry 1
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U08 digest_entries2[0x20]; // sha256 digest for main entry 2
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U08 digest_table_digest[0x20]; // sha256 digest for digest table
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U08 digest_body_digest[0x20]; // sha256 digest for main table
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U08 pkg_zeroes_2[0x280];
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U32 pkg_0x400;
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U32 pfs_image_count; // count of PFS images
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U64 pfs_image_flags; // PFS flags
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U64 pfs_image_offset; // offset to start of external PFS image
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U64 pfs_image_size; // size of external PFS image
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U64 mount_image_offset;
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U64 mount_image_size;
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U64 pkg_size;
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U32 pfs_signed_size;
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U32 pfs_cache_size;
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U08 pfs_image_digest[0x20];
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U08 pfs_signed_digest[0x20];
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U64 pfs_split_size_nth_0;
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U64 pfs_split_size_nth_1;
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U08 pkg_zeroes_3[0xB50];
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U08 pkg_digest[0x20];
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};
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inline void ReadBE(PKGHeader& s)
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{
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ReadBE(s.magic);
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ReadBE(s.pkg_table_entry_offset);
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ReadBE(s.pkg_table_entry_count);
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}
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struct PKGEntry {
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U32 id; // File ID, useful for files without a filename entry
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U32 filename_offset; // Offset into the filenames table (ID 0x200) where this file's name is located
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U32 flags1; // Flags including encrypted flag, etc
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U32 flags2; // Flags including encryption key index, etc
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U32 offset; // Offset into PKG to find the file
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U32 size; // Size of the file
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U64 padding; // blank padding
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};
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inline void ReadBE(PKGEntry& s)
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{
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ReadBE(s.id);
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ReadBE(s.filename_offset);
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ReadBE(s.flags1);
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ReadBE(s.flags2);
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ReadBE(s.offset);
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ReadBE(s.size);
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ReadBE(s.padding);
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}
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class PKG
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{
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private:
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U08* pkg;
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U64 pkgSize = 0;
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S08 pkgTitleID[9];
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std::string extractPath;
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public:
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PKG();
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@ -23,7 +111,31 @@ public:
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}
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std::string getTitleID()
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{
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return std::string(pkgTitleID);
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return std::string(pkgTitleID,9);
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}
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bool extract(const std::string& filepath, const std::string& extractPath, std::string& failreason);
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void* mmap(size_t sLength, std::FILE* nFd) {
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HANDLE hHandle;
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void* pStart;
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hHandle = CreateFileMapping(
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(HANDLE)_get_osfhandle(_fileno((nFd))),
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NULL, // default security
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PAGE_WRITECOPY, // read/write access
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0, // maximum object size (high-order DWORD)
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0, // maximum object size (low-order DWORD)
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NULL); // name of mapping object
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if (hHandle != NULL) {
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pStart = MapViewOfFile(hHandle, FILE_MAP_COPY, 0, 0, sLength);
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}
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return pStart;
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}
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int munmap(void* pStart) {
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if (UnmapViewOfFile(pStart) != 0)
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return FALSE;
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return TRUE;
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}
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};
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@ -28,6 +28,23 @@ void shadps4gui::installPKG()
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{
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PKG pkg;
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pkg.open(file);
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//if pkg is ok we procced with extraction
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std::string failreason;
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QString gamedir = QDir::currentPath() + "/game/" + QString::fromStdString(pkg.getTitleID());
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QDir dir(gamedir);
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if (!dir.exists()) {
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dir.mkpath(".");
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}
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std::string extractpath = QDir::currentPath().toStdString() + "/game/" + pkg.getTitleID() + "/";
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if (!pkg.extract(file, extractpath, failreason))
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{
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QMessageBox::critical(this, "PKG ERROR", QString::fromStdString(failreason), QMessageBox::Ok, 0);
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}
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else
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{
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QMessageBox::information(this, "Extraction Finished", "Game successfully installed at " + gamedir, QMessageBox::Ok, 0);
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game_list->RefreshGameDirectory();//force refreshing since filelistwatcher doesn't work properly
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}
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}
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else
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@ -56,12 +56,12 @@
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<Import Project="$(QtMsBuild)\qt_defaults.props" />
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</ImportGroup>
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<PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|x64'" Label="QtSettings">
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<QtInstall>qt6.4.0</QtInstall>
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<QtInstall>6.4.0</QtInstall>
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<QtModules>core;gui;widgets</QtModules>
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<QtBuildConfig>debug</QtBuildConfig>
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</PropertyGroup>
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<PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|x64'" Label="QtSettings">
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<QtInstall>qt6.4.0</QtInstall>
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<QtInstall>6.4.0</QtInstall>
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<QtModules>core;gui;widgets</QtModules>
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<QtBuildConfig>release</QtBuildConfig>
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</PropertyGroup>
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