102 lines
3.3 KiB
C++
102 lines
3.3 KiB
C++
// SPDX-License-Identifier: GPL-3.0-only
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/*
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* PolyMC - Minecraft Launcher
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* Copyright (C) 2022 Sefa Eyeoglu <contact@scrumplex.net>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, version 3.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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* This file incorporates work covered by the following copyright and
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* permission notice:
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*
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* Copyright 2013-2021 MultiMC Contributors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "ModMinecraftJar.h"
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#include "launch/LaunchTask.h"
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#include "MMCZip.h"
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#include "FileSystem.h"
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#include "minecraft/MinecraftInstance.h"
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#include "minecraft/PackProfile.h"
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void ModMinecraftJar::executeTask()
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{
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auto m_inst = std::dynamic_pointer_cast<MinecraftInstance>(m_parent->instance());
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if(!m_inst->getJarMods().size())
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{
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emitSucceeded();
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return;
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}
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// nuke obsolete stripped jar(s) if needed
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if(!FS::ensureFolderPathExists(m_inst->binRoot()))
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{
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emitFailed(tr("Couldn't create the bin folder for Minecraft.jar"));
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}
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auto finalJarPath = QDir(m_inst->binRoot()).absoluteFilePath("minecraft.jar");
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if(!removeJar())
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{
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emitFailed(tr("Couldn't remove stale jar file: %1").arg(finalJarPath));
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}
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// create temporary modded jar, if needed
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auto components = m_inst->getPackProfile();
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auto profile = components->getProfile();
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auto jarMods = m_inst->getJarMods();
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if(jarMods.size())
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{
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auto mainJar = profile->getMainJar();
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QStringList jars, temp1, temp2, temp3, temp4;
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mainJar->getApplicableFiles(m_inst->runtimeContext(), jars, temp1, temp2, temp3, m_inst->getLocalLibraryPath());
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auto sourceJarPath = jars[0];
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if(!MMCZip::createModdedJar(sourceJarPath, finalJarPath, jarMods))
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{
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emitFailed(tr("Failed to create the custom Minecraft jar file."));
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return;
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}
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}
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emitSucceeded();
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}
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void ModMinecraftJar::finalize()
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{
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removeJar();
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}
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bool ModMinecraftJar::removeJar()
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{
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auto m_inst = std::dynamic_pointer_cast<MinecraftInstance>(m_parent->instance());
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auto finalJarPath = QDir(m_inst->binRoot()).absoluteFilePath("minecraft.jar");
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QFile finalJar(finalJarPath);
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if(finalJar.exists())
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{
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if(!finalJar.remove())
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{
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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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