PrismLauncher/launcher/minecraft/launch/ExtractNatives.cpp

Ignoring revisions in .git-blame-ignore-revs. Click here to bypass and see the normal blame view.

101 lines
3.0 KiB
C++
Raw Normal View History

2021-01-18 07:28:54 +00:00
/* Copyright 2013-2021 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 "ExtractNatives.h"
#include <launch/LaunchTask.h>
#include <minecraft/MinecraftInstance.h>
2022-01-24 21:55:57 +00:00
#include <quazip/quazip.h>
#include <quazip/quazipdir.h>
#include <QDir>
#include "FileSystem.h"
#include "MMCZip.h"
2021-12-12 00:35:46 +00:00
#ifdef major
#undef major
2021-12-12 00:35:46 +00:00
#endif
#ifdef minor
#undef minor
2021-12-12 00:35:46 +00:00
#endif
static QString replaceSuffix(QString target, const QString& suffix, const QString& replacement)
{
if (!target.endsWith(suffix)) {
return target;
}
target.resize(target.length() - suffix.length());
return target + replacement;
}
static bool unzipNatives(QString source, QString targetFolder, bool applyJnilibHack)
{
QuaZip zip(source);
if (!zip.open(QuaZip::mdUnzip)) {
return false;
}
QDir directory(targetFolder);
if (!zip.goToFirstFile()) {
return false;
}
do {
QString name = zip.getCurrentFileName();
auto lowercase = name.toLower();
if (applyJnilibHack) {
name = replaceSuffix(name, ".jnilib", ".dylib");
}
QString absFilePath = directory.absoluteFilePath(name);
if (!JlCompress::extractFile(&zip, "", absFilePath)) {
return false;
}
} while (zip.goToNextFile());
zip.close();
if (zip.getZipError() != 0) {
return false;
}
return true;
}
void ExtractNatives::executeTask()
{
auto instance = m_parent->instance();
std::shared_ptr<MinecraftInstance> minecraftInstance = std::dynamic_pointer_cast<MinecraftInstance>(instance);
auto toExtract = minecraftInstance->getNativeJars();
if (toExtract.isEmpty()) {
emitSucceeded();
return;
}
auto settings = minecraftInstance->settings();
auto outputPath = minecraftInstance->getNativePath();
auto javaVersion = minecraftInstance->getJavaVersion();
bool jniHackEnabled = javaVersion.major() >= 8;
for (const auto& source : toExtract) {
if (!unzipNatives(source, outputPath, jniHackEnabled)) {
const char* reason = QT_TR_NOOP("Couldn't extract native jar '%1' to destination '%2'");
2021-06-18 23:42:40 +01:00
emit logLine(QString(reason).arg(source, outputPath), MessageLevel::Fatal);
emitFailed(tr(reason).arg(source, outputPath));
}
}
emitSucceeded();
}
void ExtractNatives::finalize()
{
auto instance = m_parent->instance();
QString target_dir = FS::PathCombine(instance->instanceRoot(), "natives/");
QDir dir(target_dir);
dir.removeRecursively();
}