/* Copyright 2020-2021 MultiMC Contributors * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include "TechnicPackProcessor.h" #include #include #include #include #include #include #include #include #include void Technic::TechnicPackProcessor::run(SettingsObjectPtr globalSettings, const QString &instName, const QString &instIcon, const QString &stagingPath, const QString &minecraftVersion, const bool isSolder) { QString minecraftPath = FS::PathCombine(stagingPath, ".minecraft"); QString configPath = FS::PathCombine(stagingPath, "instance.cfg"); auto instanceSettings = std::make_shared(configPath); MinecraftInstance instance(globalSettings, instanceSettings, stagingPath); instance.setName(instName); if (instIcon != "default") { instance.setIconKey(instIcon); } auto components = instance.getPackProfile(); components->buildingFromScratch(); QByteArray data; QString modpackJar = FS::PathCombine(minecraftPath, "bin", "modpack.jar"); QString versionJson = FS::PathCombine(minecraftPath, "bin", "version.json"); QString fmlMinecraftVersion; if (QFile::exists(modpackJar)) { QuaZip zipFile(modpackJar); if (!zipFile.open(QuaZip::mdUnzip)) { emit failed(tr("Unable to open \"bin/modpack.jar\" file!")); return; } QuaZipDir zipFileRoot(&zipFile, "/"); if (zipFileRoot.exists("/version.json")) { if (zipFileRoot.exists("/fmlversion.properties")) { zipFile.setCurrentFile("fmlversion.properties"); QuaZipFile file(&zipFile); if (!file.open(QIODevice::ReadOnly)) { emit failed(tr("Unable to open \"fmlversion.properties\"!")); return; } QByteArray fmlVersionData = file.readAll(); file.close(); INIFile iniFile; iniFile.loadFile(fmlVersionData); // If not present, this evaluates to a null string fmlMinecraftVersion = iniFile["fmlbuild.mcversion"].toString(); } zipFile.setCurrentFile("version.json", QuaZip::csSensitive); QuaZipFile file(&zipFile); if (!file.open(QIODevice::ReadOnly)) { emit failed(tr("Unable to open \"version.json\"!")); return; } data = file.readAll(); file.close(); } else { if (minecraftVersion.isEmpty()) emit failed(tr("Could not find \"version.json\" inside \"bin/modpack.jar\", but Minecraft version is unknown")); components->setComponentVersion("net.minecraft", minecraftVersion, true); components->installJarMods({modpackJar}); // Forge for 1.4.7 and for 1.5.2 require extra libraries. // Figure out the forge version and add it as a component // (the code still comes from the jar mod installed above) if (zipFileRoot.exists("/forgeversion.properties")) { zipFile.setCurrentFile("forgeversion.properties", QuaZip::csSensitive); QuaZipFile file(&zipFile); if (!file.open(QIODevice::ReadOnly)) { // Really shouldn't happen, but error handling shall not be forgotten emit failed(tr("Unable to open \"forgeversion.properties\"")); return; } QByteArray forgeVersionData = file.readAll(); file.close(); INIFile iniFile; iniFile.loadFile(forgeVersionData); QString major, minor, revision, build; major = iniFile["forge.major.number"].toString(); minor = iniFile["forge.minor.number"].toString(); revision = iniFile["forge.revision.number"].toString(); build = iniFile["forge.build.number"].toString(); if (major.isEmpty() || minor.isEmpty() || revision.isEmpty() || build.isEmpty()) { emit failed(tr("Invalid \"forgeversion.properties\"!")); return; } components->setComponentVersion("net.minecraftforge", major + '.' + minor + '.' + revision + '.' + build); } components->saveNow(); emit succeeded(); return; } } else if (QFile::exists(versionJson)) { QFile file(versionJson); if (!file.open(QIODevice::ReadOnly)) { emit failed(tr("Unable to open \"version.json\"!")); return; } data = file.readAll(); file.close(); } else { // This is the "Vanilla" modpack, excluded by the search code emit failed(tr("Unable to find a \"version.json\"!")); return; } try { QJsonDocument doc = Json::requireDocument(data); QJsonObject root = Json::requireObject(doc, "version.json"); QString minecraftVersion = Json::ensureString(root, "inheritsFrom", QString(), ""); if (minecraftVersion.isEmpty()) { if (fmlMinecraftVersion.isEmpty()) { emit failed(tr("Could not understand \"version.json\":\ninheritsFrom is missing")); return; } minecraftVersion = fmlMinecraftVersion; } components->setComponentVersion("net.minecraft", minecraftVersion, true); for (auto library: Json::ensureArray(root, "libraries", {})) { if (!library.isObject()) { continue; } auto libraryObject = Json::ensureObject(library, {}, ""); auto libraryName = Json::ensureString(libraryObject, "name", "", ""); if (libraryName.startsWith("net.minecraftforge:forge:") && libraryName.contains('-')) { QString libraryVersion = libraryName.section(':', 2); if (!libraryVersion.startsWith("1.7.10-")) { components->setComponentVersion("net.minecraftforge", libraryName.section('-', 1)); } else { // 1.7.10 versions sometimes look like 1.7.10-10.13.4.1614-1.7.10, this filters out the 10.13.4.1614 part components->setComponentVersion("net.minecraftforge", libraryName.section('-', 1, 1)); } } else if (libraryName.startsWith("net.minecraftforge:minecraftforge:")) { components->setComponentVersion("net.minecraftforge", libraryName.section(':', 2)); } else if (libraryName.startsWith("net.fabricmc:fabric-loader:")) { components->setComponentVersion("net.fabricmc.fabric-loader", libraryName.section(':', 2)); } } } catch (const JSONValidationError &e) { emit failed(tr("Could not understand \"version.json\":\n") + e.cause()); return; } components->saveNow(); emit succeeded(); }