165 lines
4.4 KiB
C++
165 lines
4.4 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 flowln <flowlnlnln@gmail.com>
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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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#include "LocalResourcePackParseTask.h"
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#include "FileSystem.h"
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#include "Json.h"
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#include <quazip/quazip.h>
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#include <quazip/quazipfile.h>
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#include <QCryptographicHash>
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namespace ResourcePackUtils {
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bool process(ResourcePack& pack)
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{
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switch (pack.type()) {
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case ResourceType::FOLDER:
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ResourcePackUtils::processFolder(pack);
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return true;
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case ResourceType::ZIPFILE:
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ResourcePackUtils::processZIP(pack);
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return true;
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default:
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qWarning() << "Invalid type for resource pack parse task!";
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return false;
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}
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}
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void processFolder(ResourcePack& pack)
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{
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Q_ASSERT(pack.type() == ResourceType::FOLDER);
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QFileInfo mcmeta_file_info(FS::PathCombine(pack.fileinfo().filePath(), "pack.mcmeta"));
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if (mcmeta_file_info.isFile()) {
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QFile mcmeta_file(mcmeta_file_info.filePath());
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if (!mcmeta_file.open(QIODevice::ReadOnly))
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return;
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auto data = mcmeta_file.readAll();
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ResourcePackUtils::processMCMeta(pack, std::move(data));
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mcmeta_file.close();
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}
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QFileInfo image_file_info(FS::PathCombine(pack.fileinfo().filePath(), "pack.png"));
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if (image_file_info.isFile()) {
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QFile mcmeta_file(image_file_info.filePath());
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if (!mcmeta_file.open(QIODevice::ReadOnly))
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return;
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auto data = mcmeta_file.readAll();
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ResourcePackUtils::processPackPNG(pack, std::move(data));
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mcmeta_file.close();
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}
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}
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void processZIP(ResourcePack& pack)
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{
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Q_ASSERT(pack.type() == ResourceType::ZIPFILE);
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QuaZip zip(pack.fileinfo().filePath());
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if (!zip.open(QuaZip::mdUnzip))
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return;
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QuaZipFile file(&zip);
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if (zip.setCurrentFile("pack.mcmeta")) {
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if (!file.open(QIODevice::ReadOnly)) {
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qCritical() << "Failed to open file in zip.";
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zip.close();
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return;
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}
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auto data = file.readAll();
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ResourcePackUtils::processMCMeta(pack, std::move(data));
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file.close();
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}
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if (zip.setCurrentFile("pack.png")) {
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if (!file.open(QIODevice::ReadOnly)) {
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qCritical() << "Failed to open file in zip.";
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zip.close();
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return;
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}
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auto data = file.readAll();
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ResourcePackUtils::processPackPNG(pack, std::move(data));
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file.close();
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}
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zip.close();
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}
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// https://minecraft.fandom.com/wiki/Tutorials/Creating_a_resource_pack#Formatting_pack.mcmeta
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void processMCMeta(ResourcePack& pack, QByteArray&& raw_data)
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{
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try {
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auto json_doc = QJsonDocument::fromJson(raw_data);
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auto pack_obj = Json::requireObject(json_doc.object(), "pack", {});
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pack.setPackFormat(Json::ensureInteger(pack_obj, "pack_format", 0));
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pack.setDescription(Json::ensureString(pack_obj, "description", ""));
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} catch (Json::JsonException& e) {
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qWarning() << "JsonException: " << e.what() << e.cause();
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}
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}
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void processPackPNG(ResourcePack& pack, QByteArray&& raw_data)
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{
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auto img = QImage::fromData(raw_data);
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if (!img.isNull()) {
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pack.setImage(img);
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} else {
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qWarning() << "Failed to parse pack.png.";
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}
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}
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} // namespace ResourcePackUtils
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LocalResourcePackParseTask::LocalResourcePackParseTask(int token, ResourcePack& rp)
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: Task(nullptr, false), m_token(token), m_resource_pack(rp)
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{}
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bool LocalResourcePackParseTask::abort()
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{
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m_aborted = true;
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return true;
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}
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void LocalResourcePackParseTask::executeTask()
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{
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// Q_ASSERT(m_resource_pack.valid());
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if (!ResourcePackUtils::process(m_resource_pack))
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return;
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if (m_aborted)
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emitAborted();
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else
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emitSucceeded();
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}
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