477 lines
19 KiB
C++
477 lines
19 KiB
C++
#include "minecraftversion.h"
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#include <QDir>
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#include <QFile>
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#include <QFileInfo>
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#include <QHash>
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#include <QJsonDocument>
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#include <QJsonObject>
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#include <QObject>
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#include <QRegularExpression>
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#include <QSysInfo>
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#include <algorithm>
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#include <utility>
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namespace {
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// Больше десяти уровней inheritsFrom не бывает даже у Forge поверх Fabric-подобных сборок.
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constexpr int kMaxInheritanceDepth = 10;
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QString versionJsonPath(const QString &gameDir, const QString &id)
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{
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return gameDir + "/versions/" + id + "/" + id + ".json";
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}
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QString versionJarPath(const QString &gameDir, const QString &id)
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{
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return gameDir + "/versions/" + id + "/" + id + ".jar";
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}
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// org.lwjgl:lwjgl:3.3.1:natives-windows -> org/lwjgl/lwjgl/3.3.1/lwjgl-3.3.1-natives-windows.jar
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QString mavenToPath(const QString &name)
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{
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QString coords = name;
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QString extension = QStringLiteral("jar");
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const int at = coords.indexOf(u'@');
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if (at >= 0) {
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extension = coords.mid(at + 1);
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coords.truncate(at);
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}
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const QStringList parts = coords.split(u':');
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if (parts.size() < 3)
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return {};
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QString file = parts[1] + u'-' + parts[2];
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if (parts.size() > 3)
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file += u'-' + parts[3];
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return QString(parts[0]).replace(u'.', u'/') + u'/' + parts[1] + u'/' + parts[2] + u'/' + file
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+ u'.' + extension;
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}
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// Ключ для дедупликации: у наследника и родителя одна и та же библиотека часто
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// разных версий, и побеждать должна версия наследника.
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QString libraryKey(const QString &name)
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{
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const QStringList parts = name.split(u':');
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if (parts.size() < 2)
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return name;
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QString key = parts[0] + u':' + parts[1];
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if (parts.size() > 3)
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key += u':' + parts[3];
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return key;
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}
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QString mavenClassifier(const QString &name)
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{
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const QStringList parts = name.split(u':');
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if (parts.size() < 4)
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return {};
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QString classifier = parts[3];
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const int at = classifier.indexOf(u'@');
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if (at >= 0)
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classifier.truncate(at);
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return classifier;
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}
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bool ruleMatches(const QJsonObject &rule, const QSet<QString> &features)
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{
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if (rule.contains(QStringLiteral("features"))) {
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const QJsonObject wanted = rule.value(QStringLiteral("features")).toObject();
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for (auto it = wanted.constBegin(); it != wanted.constEnd(); ++it) {
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if (it.value().toBool() != features.contains(it.key()))
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return false;
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}
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}
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const QJsonObject os = rule.value(QStringLiteral("os")).toObject();
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if (!os.isEmpty()) {
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if (os.contains(QStringLiteral("name"))
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&& os.value(QStringLiteral("name")).toString() != VersionLoader::osName())
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return false;
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if (os.contains(QStringLiteral("arch"))
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&& os.value(QStringLiteral("arch")).toString() != VersionLoader::osArch())
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return false;
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if (os.contains(QStringLiteral("version"))) {
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const QRegularExpression re(os.value(QStringLiteral("version")).toString());
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if (!re.isValid() || !re.match(QSysInfo::productVersion()).hasMatch())
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return false;
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}
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}
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return true;
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}
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void appendArguments(const QJsonArray &source, QStringList &target, const QSet<QString> &features)
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{
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for (const QJsonValue &entry : source) {
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if (entry.isString()) {
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target << entry.toString();
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continue;
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}
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const QJsonObject object = entry.toObject();
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if (!VersionLoader::rulesAllow(object.value(QStringLiteral("rules")).toArray(), features))
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continue;
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const QJsonValue value = object.value(QStringLiteral("value"));
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if (value.isString())
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target << value.toString();
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else
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for (const QJsonValue &item : value.toArray())
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target << item.toString();
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}
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}
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MinecraftLibrary libraryFromDownload(const QString &name,
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const QJsonObject &download,
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const QString &fallbackPath)
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{
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MinecraftLibrary library;
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library.name = name;
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library.path = download.value(QStringLiteral("path")).toString();
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if (library.path.isEmpty())
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library.path = fallbackPath;
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library.url = download.value(QStringLiteral("url")).toString();
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library.sha1 = download.value(QStringLiteral("sha1")).toString();
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library.size = static_cast<qint64>(download.value(QStringLiteral("size")).toDouble());
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return library;
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}
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void parseLibraries(const QJsonObject &root,
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QList<MinecraftLibrary> &target,
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const QSet<QString> &features)
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{
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for (const QJsonValue &entry : root.value(QStringLiteral("libraries")).toArray()) {
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const QJsonObject object = entry.toObject();
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if (!VersionLoader::rulesAllow(object.value(QStringLiteral("rules")).toArray(), features))
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continue;
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const QString name = object.value(QStringLiteral("name")).toString();
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if (name.isEmpty())
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continue;
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const QString relativePath = mavenToPath(name);
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const QJsonObject downloads = object.value(QStringLiteral("downloads")).toObject();
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const QJsonObject extract = object.value(QStringLiteral("extract")).toObject();
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QStringList exclude;
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for (const QJsonValue &value : extract.value(QStringLiteral("exclude")).toArray())
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exclude << value.toString();
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// Основной артефакт. В новом формате (1.19+) натив-библиотеки — это
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// отдельные записи с классификатором natives-*, у них тоже есть artifact.
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if (downloads.contains(QStringLiteral("artifact"))
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|| !downloads.contains(QStringLiteral("classifiers"))) {
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MinecraftLibrary library
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= libraryFromDownload(name,
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downloads.value(QStringLiteral("artifact")).toObject(),
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relativePath);
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// У Fabric у части библиотек нет блока downloads вообще — только
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// name и адрес Maven-репозитория, путь собираем из координат.
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if (library.url.isEmpty()) {
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const QString repository = object.value(QStringLiteral("url")).toString();
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if (!repository.isEmpty())
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library.url = repository.endsWith(u'/') ? repository + library.path
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: repository + u'/' + library.path;
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}
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if (!library.path.isEmpty()) {
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library.native = mavenClassifier(name).startsWith(QStringLiteral("natives-"));
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library.extractExclude = exclude;
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target << library;
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}
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}
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// Старый формат (до 1.18): отдельная карта natives + downloads.classifiers.
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const QJsonObject natives = object.value(QStringLiteral("natives")).toObject();
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if (natives.isEmpty())
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continue;
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QString classifier = natives.value(VersionLoader::osName()).toString();
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if (classifier.isEmpty())
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continue;
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classifier.replace(QStringLiteral("${arch}"),
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VersionLoader::osArch() == QStringLiteral("x86") ? QStringLiteral("32")
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: QStringLiteral("64"));
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const QJsonObject classifiers = downloads.value(QStringLiteral("classifiers")).toObject();
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MinecraftLibrary library = libraryFromDownload(name + u':' + classifier,
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classifiers.value(classifier).toObject(),
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mavenToPath(name + u':' + classifier));
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if (library.path.isEmpty())
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continue;
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library.native = true;
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library.extractExclude = exclude;
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target << library;
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}
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}
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// Для 1.19+ в списке лежат natives-windows, natives-windows-x86 и natives-windows-arm64
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// одновременно — правила фильтруют только по ОС. Оставляем по одной на артефакт.
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void pickNativesForCurrentArch(QList<MinecraftLibrary> &libraries)
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{
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const QString exact = VersionLoader::nativeClassifier();
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const QString osPart = VersionLoader::osName() == QStringLiteral("osx")
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? QStringLiteral("macos")
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: VersionLoader::osName();
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const QString base = QStringLiteral("natives-") + osPart;
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QHash<QString, QString> chosen; // group:artifact -> классификатор
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for (const MinecraftLibrary &library : libraries) {
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if (!library.native)
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continue;
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const QStringList parts = library.name.split(u':');
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if (parts.size() < 4)
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continue;
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const QString artifact = parts[0] + u':' + parts[1];
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const QString classifier = mavenClassifier(library.name);
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const QString current = chosen.value(artifact);
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if (current == exact)
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continue;
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if (classifier == exact || current.isEmpty() || classifier == base)
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chosen.insert(artifact, classifier);
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}
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libraries.removeIf([&](const MinecraftLibrary &library) {
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if (!library.native)
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return false;
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const QStringList parts = library.name.split(u':');
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if (parts.size() < 4)
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return false;
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return chosen.value(parts[0] + u':' + parts[1]) != mavenClassifier(library.name);
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});
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}
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} // namespace
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QString VersionLoader::osName()
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{
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#if defined(Q_OS_WIN)
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return QStringLiteral("windows");
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#elif defined(Q_OS_MACOS)
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return QStringLiteral("osx");
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#else
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return QStringLiteral("linux");
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#endif
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}
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QString VersionLoader::osArch()
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{
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const QString arch = QSysInfo::currentCpuArchitecture();
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if (arch == QLatin1String("i386") || arch == QLatin1String("i686"))
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return QStringLiteral("x86");
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return arch; // x86_64 / arm64 — совпадают с тем, что пишет Mojang
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}
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QString VersionLoader::nativeClassifier()
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{
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const QString arch = osArch();
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const QString os = osName();
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if (os == QLatin1String("windows")) {
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if (arch == QLatin1String("arm64"))
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return QStringLiteral("natives-windows-arm64");
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if (arch == QLatin1String("x86"))
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return QStringLiteral("natives-windows-x86");
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return QStringLiteral("natives-windows");
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}
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if (os == QLatin1String("osx"))
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return arch == QLatin1String("arm64") ? QStringLiteral("natives-macos-arm64")
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: QStringLiteral("natives-macos");
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return arch == QLatin1String("arm64") ? QStringLiteral("natives-linux-arm64")
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: QStringLiteral("natives-linux");
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}
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bool VersionLoader::rulesAllow(const QJsonArray &rules, const QSet<QString> &features)
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{
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if (rules.isEmpty())
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return true;
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bool allowed = false;
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for (const QJsonValue &entry : rules) {
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const QJsonObject rule = entry.toObject();
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if (ruleMatches(rule, features))
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allowed = rule.value(QStringLiteral("action")).toString() != QLatin1String("disallow");
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}
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return allowed;
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}
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QStringList VersionLoader::installedVersions(const QString &gameDir)
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{
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QStringList result;
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const QDir versions(gameDir + QStringLiteral("/versions"));
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const QStringList entries = versions.entryList(QDir::Dirs | QDir::NoDotAndDotDot, QDir::Name);
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for (const QString &id : entries) {
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if (QFile::exists(versionJsonPath(gameDir, id)))
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result << id;
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}
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return result;
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}
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MinecraftVersion VersionLoader::load(const QString &gameDir,
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const QString &versionId,
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const QSet<QString> &features,
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QString *error)
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{
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MinecraftVersion version;
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// Цепочка от самой производной версии к базовой: Fabric -> 1.20.1.
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QList<QJsonObject> chain;
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QStringList chainIds;
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QString currentId = versionId;
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while (!currentId.isEmpty()) {
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if (chainIds.contains(currentId)) {
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if (error)
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*error = QObject::tr("Циклическая зависимость inheritsFrom в версии «%1»")
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.arg(currentId);
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return version;
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}
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if (chain.size() >= kMaxInheritanceDepth) {
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if (error)
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*error = QObject::tr("Слишком длинная цепочка inheritsFrom у версии «%1»")
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.arg(versionId);
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return version;
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}
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const QString path = versionJsonPath(gameDir, currentId);
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QFile file(path);
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if (!file.open(QIODevice::ReadOnly)) {
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if (error)
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*error = QObject::tr("Не найден файл версии: %1").arg(QDir::toNativeSeparators(path));
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return version;
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}
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QJsonParseError parseError;
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const QJsonDocument document = QJsonDocument::fromJson(file.readAll(), &parseError);
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if (parseError.error != QJsonParseError::NoError || !document.isObject()) {
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if (error)
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*error = QObject::tr("Повреждён файл версии %1: %2")
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.arg(QDir::toNativeSeparators(path), parseError.errorString());
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return version;
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}
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const QJsonObject object = document.object();
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chain << object;
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chainIds << currentId;
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currentId = object.value(QStringLiteral("inheritsFrom")).toString();
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}
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version.id = versionId;
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// Скаляры: идём от базовой версии к производной, наследник перекрывает родителя.
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for (int i = chain.size() - 1; i >= 0; --i) {
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const QJsonObject &object = chain[i];
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if (object.contains(QStringLiteral("mainClass")))
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version.mainClass = object.value(QStringLiteral("mainClass")).toString();
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if (object.contains(QStringLiteral("type")))
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version.type = object.value(QStringLiteral("type")).toString();
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if (object.contains(QStringLiteral("assets")))
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version.assetsKind = object.value(QStringLiteral("assets")).toString();
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if (object.contains(QStringLiteral("assetIndex")))
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version.assetIndexId = object.value(QStringLiteral("assetIndex"))
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.toObject()
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.value(QStringLiteral("id"))
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.toString();
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if (object.contains(QStringLiteral("javaVersion")))
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version.javaMajor = object.value(QStringLiteral("javaVersion"))
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.toObject()
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.value(QStringLiteral("majorVersion"))
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.toInt(version.javaMajor);
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const QJsonObject logging = object.value(QStringLiteral("logging"))
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.toObject()
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.value(QStringLiteral("client"))
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.toObject();
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if (!logging.isEmpty()) {
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version.loggingArgument = logging.value(QStringLiteral("argument")).toString();
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const QString fileId = logging.value(QStringLiteral("file"))
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.toObject()
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.value(QStringLiteral("id"))
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.toString();
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if (!fileId.isEmpty())
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version.loggingConfigPath = gameDir + QStringLiteral("/assets/log_configs/")
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+ fileId;
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}
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// minecraftArguments (до 1.13) заменяет список целиком, arguments.game — дополняет.
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if (object.contains(QStringLiteral("minecraftArguments"))) {
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version.gameArgs = object.value(QStringLiteral("minecraftArguments"))
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.toString()
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.split(QRegularExpression(QStringLiteral("\\s+")),
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Qt::SkipEmptyParts);
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}
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const QJsonObject arguments = object.value(QStringLiteral("arguments")).toObject();
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appendArguments(arguments.value(QStringLiteral("jvm")).toArray(), version.jvmArgs, features);
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appendArguments(arguments.value(QStringLiteral("game")).toArray(),
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version.gameArgs,
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features);
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const QByteArray raw = QJsonDocument(arguments.value(QStringLiteral("game")).toArray())
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.toJson();
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if (raw.contains("quickPlayMultiplayer"))
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version.supportsQuickPlay = true;
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if (raw.contains("resolution_width"))
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version.hasCustomResolutionArgs = true;
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}
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if (version.assetIndexId.isEmpty())
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version.assetIndexId = version.assetsKind;
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if (version.assetsKind.isEmpty())
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version.assetsKind = version.assetIndexId;
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if (version.type.isEmpty())
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version.type = QStringLiteral("release");
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// Библиотеки: наследник первым, дубли по group:artifact:classifier отбрасываем.
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QList<MinecraftLibrary> collected;
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for (const QJsonObject &object : chain)
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parseLibraries(object, collected, features);
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QSet<QString> seen;
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for (const MinecraftLibrary &library : std::as_const(collected)) {
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const QString key = libraryKey(library.name);
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if (seen.contains(key))
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continue;
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seen.insert(key);
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version.libraries << library;
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}
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pickNativesForCurrentArch(version.libraries);
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// До 1.13 jvm-аргументов в json нет — собираем их сами.
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const bool hasClasspathArg = std::any_of(version.jvmArgs.cbegin(),
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version.jvmArgs.cend(),
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[](const QString &argument) {
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return argument == QLatin1String("-cp")
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|| argument == QLatin1String("-classpath");
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});
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if (!hasClasspathArg) {
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version.jvmArgs << QStringLiteral("-Djava.library.path=${natives_directory}")
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<< QStringLiteral("-Dminecraft.launcher.brand=${launcher_name}")
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<< QStringLiteral("-Dminecraft.launcher.version=${launcher_version}")
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<< QStringLiteral("-cp") << QStringLiteral("${classpath}");
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}
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// Клиентский jar: у Fabric-версии он свой, у Forge обычно только у родителя.
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for (const QString &id : std::as_const(chainIds)) {
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const QString jar = versionJarPath(gameDir, id);
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if (QFile::exists(jar)) {
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version.clientJarPath = jar;
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break;
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}
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}
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if (version.clientJarPath.isEmpty())
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version.clientJarPath = versionJarPath(gameDir, chainIds.constLast());
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if (version.mainClass.isEmpty() && error)
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*error = QObject::tr("В файле версии «%1» не указан mainClass").arg(versionId);
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return version;
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}
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