summaryrefslogtreecommitdiff
path: root/meshmc/launcher/minecraft/OneSixVersionFormat.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'meshmc/launcher/minecraft/OneSixVersionFormat.cpp')
-rw-r--r--meshmc/launcher/minecraft/OneSixVersionFormat.cpp386
1 files changed, 386 insertions, 0 deletions
diff --git a/meshmc/launcher/minecraft/OneSixVersionFormat.cpp b/meshmc/launcher/minecraft/OneSixVersionFormat.cpp
new file mode 100644
index 0000000000..990b845d95
--- /dev/null
+++ b/meshmc/launcher/minecraft/OneSixVersionFormat.cpp
@@ -0,0 +1,386 @@
+/* SPDX-FileCopyrightText: 2026 Project Tick
+ * SPDX-FileContributor: Project Tick
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ * MeshMC - A Custom Launcher for Minecraft
+ * Copyright (C) 2026 Project Tick
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "OneSixVersionFormat.h"
+#include <Json.h>
+#include "minecraft/ParseUtils.h"
+#include <minecraft/MojangVersionFormat.h>
+
+using namespace Json;
+
+static void readString(const QJsonObject& root, const QString& key,
+ QString& variable)
+{
+ if (root.contains(key)) {
+ variable = requireString(root.value(key));
+ }
+}
+
+LibraryPtr OneSixVersionFormat::libraryFromJson(ProblemContainer& problems,
+ const QJsonObject& libObj,
+ const QString& filename)
+{
+ LibraryPtr out =
+ MojangVersionFormat::libraryFromJson(problems, libObj, filename);
+ readString(libObj, "MMC-hint", out->m_hint);
+ readString(libObj, "MMC-absulute_url", out->m_absoluteURL);
+ readString(libObj, "MMC-absoluteUrl", out->m_absoluteURL);
+ readString(libObj, "MMC-filename", out->m_filename);
+ readString(libObj, "MMC-displayname", out->m_displayname);
+ return out;
+}
+
+QJsonObject OneSixVersionFormat::libraryToJson(Library* library)
+{
+ QJsonObject libRoot = MojangVersionFormat::libraryToJson(library);
+ if (library->m_absoluteURL.size())
+ libRoot.insert("MMC-absoluteUrl", library->m_absoluteURL);
+ if (library->m_hint.size())
+ libRoot.insert("MMC-hint", library->m_hint);
+ if (library->m_filename.size())
+ libRoot.insert("MMC-filename", library->m_filename);
+ if (library->m_displayname.size())
+ libRoot.insert("MMC-displayname", library->m_displayname);
+ return libRoot;
+}
+
+VersionFilePtr OneSixVersionFormat::versionFileFromJson(
+ const QJsonDocument& doc, const QString& filename, const bool requireOrder)
+{
+ VersionFilePtr out(new VersionFile());
+ if (doc.isEmpty() || doc.isNull()) {
+ throw JSONValidationError(filename + " is empty or null");
+ }
+ if (!doc.isObject()) {
+ throw JSONValidationError(filename + " is not an object");
+ }
+
+ QJsonObject root = doc.object();
+
+ Meta::MetadataVersion formatVersion = Meta::parseFormatVersion(root, false);
+ switch (formatVersion) {
+ case Meta::MetadataVersion::InitialRelease:
+ break;
+ case Meta::MetadataVersion::Invalid:
+ throw JSONValidationError(filename +
+ " does not contain a recognizable "
+ "version of the metadata format.");
+ }
+
+ if (requireOrder) {
+ if (root.contains("order")) {
+ out->order = requireInteger(root.value("order"));
+ } else {
+ // FIXME: evaluate if we don't want to throw exceptions here instead
+ qCritical() << filename << "doesn't contain an order field";
+ }
+ }
+
+ out->name = root.value("name").toString();
+
+ if (root.contains("uid")) {
+ out->uid = root.value("uid").toString();
+ } else {
+ out->uid = root.value("fileId").toString();
+ }
+
+ out->version = root.value("version").toString();
+
+ MojangVersionFormat::readVersionProperties(root, out.get());
+
+ // added for legacy Minecraft window embedding, TODO: remove
+ readString(root, "appletClass", out->appletClass);
+
+ if (root.contains("+tweakers")) {
+ for (auto tweakerVal : requireArray(root.value("+tweakers"))) {
+ out->addTweakers.append(requireString(tweakerVal));
+ }
+ }
+
+ if (root.contains("+traits")) {
+ for (auto tweakerVal : requireArray(root.value("+traits"))) {
+ out->traits.insert(requireString(tweakerVal));
+ }
+ }
+
+ if (root.contains("jarMods")) {
+ for (auto libVal : requireArray(root.value("jarMods"))) {
+ QJsonObject libObj = requireObject(libVal);
+ // parse the jarmod
+ auto lib =
+ OneSixVersionFormat::jarModFromJson(*out, libObj, filename);
+ // and add to jar mods
+ out->jarMods.append(lib);
+ }
+ } else if (root.contains(
+ "+jarMods")) // DEPRECATED: old style '+jarMods' are only
+ // here for backwards compatibility
+ {
+ for (auto libVal : requireArray(root.value("+jarMods"))) {
+ QJsonObject libObj = requireObject(libVal);
+ // parse the jarmod
+ auto lib = OneSixVersionFormat::plusJarModFromJson(
+ *out, libObj, filename, out->name);
+ // and add to jar mods
+ out->jarMods.append(lib);
+ }
+ }
+
+ if (root.contains("mods")) {
+ for (auto libVal : requireArray(root.value("mods"))) {
+ QJsonObject libObj = requireObject(libVal);
+ // parse the jarmod
+ auto lib = OneSixVersionFormat::modFromJson(*out, libObj, filename);
+ // and add to jar mods
+ out->mods.append(lib);
+ }
+ }
+
+ auto readLibs = [&](const char* which, QList<LibraryPtr>& outList) {
+ for (auto libVal : requireArray(root.value(which))) {
+ QJsonObject libObj = requireObject(libVal);
+ // parse the library
+ auto lib = libraryFromJson(*out, libObj, filename);
+ outList.append(lib);
+ }
+ };
+ bool hasPlusLibs = root.contains("+libraries");
+ bool hasLibs = root.contains("libraries");
+ if (hasPlusLibs && hasLibs) {
+ out->addProblem(
+ ProblemSeverity::Warning,
+ QObject::tr("Version file has both '+libraries' and 'libraries'. "
+ "This is no longer supported."));
+ readLibs("libraries", out->libraries);
+ readLibs("+libraries", out->libraries);
+ } else if (hasLibs) {
+ readLibs("libraries", out->libraries);
+ } else if (hasPlusLibs) {
+ readLibs("+libraries", out->libraries);
+ }
+
+ if (root.contains("mavenFiles")) {
+ readLibs("mavenFiles", out->mavenFiles);
+ }
+
+ // if we have mainJar, just use it
+ if (root.contains("mainJar")) {
+ QJsonObject libObj = requireObject(root, "mainJar");
+ out->mainJar = libraryFromJson(*out, libObj, filename);
+ }
+ // else reconstruct it from downloads and id ... if that's available
+ else if (!out->minecraftVersion.isEmpty()) {
+ auto lib = std::make_shared<Library>();
+ lib->setRawName(
+ GradleSpecifier(QString("com.mojang:minecraft:%1:client")
+ .arg(out->minecraftVersion)));
+ // we have a reliable client download, use it.
+ if (out->mojangDownloads.contains("client")) {
+ auto LibDLInfo = std::make_shared<MojangLibraryDownloadInfo>();
+ LibDLInfo->artifact = out->mojangDownloads["client"];
+ lib->setMojangDownloadInfo(LibDLInfo);
+ }
+ // we got nothing...
+ else {
+ out->addProblem(
+ ProblemSeverity::Error,
+ QObject::tr(
+ "URL for the main jar could not be determined - Mojang "
+ "removed the server that we used as fallback."));
+ }
+ out->mainJar = lib;
+ }
+
+ if (root.contains("requires")) {
+ Meta::parseRequires(root, &out->requirements);
+ }
+ QString dependsOnMinecraftVersion = root.value("mcVersion").toString();
+ if (!dependsOnMinecraftVersion.isEmpty()) {
+ Meta::Require mcReq;
+ mcReq.uid = "net.minecraft";
+ mcReq.equalsVersion = dependsOnMinecraftVersion;
+ if (out->requirements.count(mcReq) == 0) {
+ out->requirements.insert(mcReq);
+ }
+ }
+ if (root.contains("conflicts")) {
+ Meta::parseRequires(root, &out->conflicts);
+ }
+ if (root.contains("volatile")) {
+ out->m_volatile = requireBoolean(root, "volatile");
+ }
+
+ /* removed features that shouldn't be used */
+ if (root.contains("tweakers")) {
+ out->addProblem(
+ ProblemSeverity::Error,
+ QObject::tr(
+ "Version file contains unsupported element 'tweakers'"));
+ }
+ if (root.contains("-libraries")) {
+ out->addProblem(
+ ProblemSeverity::Error,
+ QObject::tr(
+ "Version file contains unsupported element '-libraries'"));
+ }
+ if (root.contains("-tweakers")) {
+ out->addProblem(
+ ProblemSeverity::Error,
+ QObject::tr(
+ "Version file contains unsupported element '-tweakers'"));
+ }
+ if (root.contains("-minecraftArguments")) {
+ out->addProblem(ProblemSeverity::Error,
+ QObject::tr("Version file contains unsupported element "
+ "'-minecraftArguments'"));
+ }
+ if (root.contains("+minecraftArguments")) {
+ out->addProblem(ProblemSeverity::Error,
+ QObject::tr("Version file contains unsupported element "
+ "'+minecraftArguments'"));
+ }
+ return out;
+}
+
+QJsonDocument
+OneSixVersionFormat::versionFileToJson(const VersionFilePtr& patch)
+{
+ QJsonObject root;
+ writeString(root, "name", patch->name);
+
+ writeString(root, "uid", patch->uid);
+
+ writeString(root, "version", patch->version);
+
+ Meta::serializeFormatVersion(root, Meta::MetadataVersion::InitialRelease);
+
+ MojangVersionFormat::writeVersionProperties(patch.get(), root);
+
+ if (patch->mainJar) {
+ root.insert("mainJar", libraryToJson(patch->mainJar.get()));
+ }
+ writeString(root, "appletClass", patch->appletClass);
+ writeStringList(root, "+tweakers", patch->addTweakers);
+ writeStringList(root, "+traits", patch->traits.values());
+ if (!patch->libraries.isEmpty()) {
+ QJsonArray array;
+ for (auto value : patch->libraries) {
+ array.append(OneSixVersionFormat::libraryToJson(value.get()));
+ }
+ root.insert("libraries", array);
+ }
+ if (!patch->mavenFiles.isEmpty()) {
+ QJsonArray array;
+ for (auto value : patch->mavenFiles) {
+ array.append(OneSixVersionFormat::libraryToJson(value.get()));
+ }
+ root.insert("mavenFiles", array);
+ }
+ if (!patch->jarMods.isEmpty()) {
+ QJsonArray array;
+ for (auto value : patch->jarMods) {
+ array.append(OneSixVersionFormat::jarModtoJson(value.get()));
+ }
+ root.insert("jarMods", array);
+ }
+ if (!patch->mods.isEmpty()) {
+ QJsonArray array;
+ for (auto value : patch->jarMods) {
+ array.append(OneSixVersionFormat::modtoJson(value.get()));
+ }
+ root.insert("mods", array);
+ }
+ if (!patch->requirements.empty()) {
+ Meta::serializeRequires(root, &patch->requirements, "requires");
+ }
+ if (!patch->conflicts.empty()) {
+ Meta::serializeRequires(root, &patch->conflicts, "conflicts");
+ }
+ if (patch->m_volatile) {
+ root.insert("volatile", true);
+ }
+ // write the contents to a json document.
+ {
+ QJsonDocument out;
+ out.setObject(root);
+ return out;
+ }
+}
+
+LibraryPtr OneSixVersionFormat::plusJarModFromJson(ProblemContainer& problems,
+ const QJsonObject& libObj,
+ const QString& filename,
+ const QString& originalName)
+{
+ LibraryPtr out(new Library());
+ if (!libObj.contains("name")) {
+ throw JSONValidationError(
+ filename + "contains a jarmod that doesn't have a 'name' field");
+ }
+
+ // just make up something unique on the spot for the library name.
+ auto uuid = QUuid::createUuid();
+ QString id = uuid.toString().remove('{').remove('}');
+ out->setRawName(GradleSpecifier("org.projecttick.jarmods:" + id + ":1"));
+
+ // filename override is the old name
+ out->setFilename(libObj.value("name").toString());
+
+ // it needs to be local, it is stored in the instance jarmods folder
+ out->setHint("local");
+
+ // read the original name if present - some versions did not set it
+ // it is the original jar mod filename before it got renamed at the point of
+ // addition
+ auto displayName = libObj.value("originalName").toString();
+ if (displayName.isEmpty()) {
+ auto fixed = originalName;
+ fixed.remove(" (jar mod)");
+ out->setDisplayName(fixed);
+ } else {
+ out->setDisplayName(displayName);
+ }
+ return out;
+}
+
+LibraryPtr OneSixVersionFormat::jarModFromJson(ProblemContainer& problems,
+ const QJsonObject& libObj,
+ const QString& filename)
+{
+ return libraryFromJson(problems, libObj, filename);
+}
+
+QJsonObject OneSixVersionFormat::jarModtoJson(Library* jarmod)
+{
+ return libraryToJson(jarmod);
+}
+
+LibraryPtr OneSixVersionFormat::modFromJson(ProblemContainer& problems,
+ const QJsonObject& libObj,
+ const QString& filename)
+{
+ return libraryFromJson(problems, libObj, filename);
+}
+
+QJsonObject OneSixVersionFormat::modtoJson(Library* jarmod)
+{
+ return libraryToJson(jarmod);
+}