NOISSUE Flatten gui and logic libraries into MultiMC

launcher/minecraft/launch/ExtractNatives.cpp

@@ -0,0 +1,111 @@
+/* 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 <minecraft/MinecraftInstance.h>
+#include <launch/LaunchTask.h>
+
+#include <quazip.h>
+#include <quazipdir.h>
+#include "MMCZip.h"
+#include "FileSystem.h"
+#include <QDir>
+
+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, bool nativeOpenAL, bool nativeGLFW)
+{
+    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 (nativeGLFW && name.contains("glfw")) {
+            continue;
+        }
+        if (nativeOpenAL && name.contains("openal")) {
+            continue;
+        }
+        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();
+    bool nativeOpenAL = settings->get("UseNativeOpenAL").toBool();
+    bool nativeGLFW = settings->get("UseNativeGLFW").toBool();
+
+    auto outputPath  = minecraftInstance->getNativePath();
+    auto javaVersion = minecraftInstance->getJavaVersion();
+    bool jniHackEnabled = javaVersion.major() >= 8;
+    for(const auto &source: toExtract)
+    {
+        if(!unzipNatives(source, outputPath, jniHackEnabled, nativeOpenAL, nativeGLFW))
+        {
+            const char *reason = QT_TR_NOOP("Couldn't extract native jar '%1' to destination '%2'");
+            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();
+}