1 files changed, 151 insertions, 8 deletions

diff --git a/api/logic/modplatform/FtbPackInstallTask.cpp b/api/logic/modplatform/FtbPackInstallTask.cpp
index bedf3942..8c0bc70c 100644
--- a/api/logic/modplatform/FtbPackInstallTask.cpp
+++ b/api/logic/modplatform/FtbPackInstallTask.cpp
@@ -2,6 +2,11 @@
 #include "Env.h"
 #include "MMCZip.h"
 #include "QtConcurrent"
+#include "BaseInstance.h"
+#include "FileSystem.h"
+#include "settings/INISettingsObject.h"
+#include "minecraft/MinecraftInstance.h"
+#include "minecraft/ComponentList.h"
 
 FtbPackInstallTask::FtbPackInstallTask(FtbPackDownloader *downloader, SettingsObjectPtr settings,
 						   const QString &stagingPath, const QString &instName, const QString &instIcon, const QString &instGroup) :
@@ -16,18 +21,19 @@ void FtbPackInstallTask::executeTask() {
 
 void FtbPackInstallTask::downloadPack(){
 	FtbModpack toInstall = m_downloader->getSelectedPack();
-	setStatus(tr("Installing new FTB Pack %1").arg(toInstall.name));
+	setStatus(tr("Downloading zip for %1").arg(toInstall.name));
 
-	auto entry = ENV.metacache()->resolveEntry("general", "FTBPack/" + toInstall.name);
+	auto entry = ENV.metacache()->resolveEntry("general", "FTBPacks/" + toInstall.name);
 	m_downloader->downloadSelected(entry);
 
 	connect(m_downloader, &FtbPackDownloader::downloadSucceded, this, &FtbPackInstallTask::onDownloadSucceeded);
 	connect(m_downloader, &FtbPackDownloader::downloadProgress, this, &FtbPackInstallTask::onDownloadProgress);
 	connect(m_downloader, &FtbPackDownloader::downloadFailed, this,&FtbPackInstallTask::onDownloadFailed);
+	progress(1, 4);
 }
 
 void FtbPackInstallTask::onDownloadSucceeded(QString archivePath){
-	qDebug() << "Download succeeded!";
+	abortable = false;
 	unzip(archivePath);
 }
 
@@ -36,11 +42,14 @@ void FtbPackInstallTask::onDownloadFailed(QString reason) {
 }
 
 void FtbPackInstallTask::onDownloadProgress(qint64 current, qint64 total){
-	progress(current, total);
+	abortable = true;
+	progress(current, total * 4);
+	setStatus(tr("Downloading zip for %1 (%2\%)").arg(m_downloader->getSelectedPack().name).arg(current / 10));
 }
 
 void FtbPackInstallTask::unzip(QString archivePath) {
-	setStatus(QString("Extracting modpack from %1").arg(archivePath));
+	progress(2, 4);
+	setStatus(tr("Extracting modpack"));
 	QDir extractDir(m_stagingPath);
 
 	m_packZip.reset(new QuaZip(archivePath));
@@ -49,17 +58,151 @@ void FtbPackInstallTask::unzip(QString archivePath) {
 		return;
 	}
 
-	m_extractFuture = QtConcurrent::run(QThreadPool::globalInstance(), MMCZip::extractSubDir, m_packZip.get(), QString("/"), extractDir.absolutePath());
+	m_extractFuture = QtConcurrent::run(QThreadPool::globalInstance(), MMCZip::extractDir, archivePath, extractDir.absolutePath() + "/unzip");
 	connect(&m_extractFutureWatcher, &QFutureWatcher<QStringList>::finished, this, &FtbPackInstallTask::onUnzipFinished);
 	connect(&m_extractFutureWatcher, &QFutureWatcher<QStringList>::canceled, this, &FtbPackInstallTask::onUnzipCanceled);
 	m_extractFutureWatcher.setFuture(m_extractFuture);
 }
 
 void FtbPackInstallTask::onUnzipFinished() {
-	qDebug() << "Unzipped:" << m_stagingPath;
-	emitSucceeded();
+	install();
 }
 
 void FtbPackInstallTask::onUnzipCanceled() {
 	emitAborted();
 }
+
+void FtbPackInstallTask::install() {
+	progress(3, 4);
+	FtbModpack toInstall = m_downloader->getSelectedPack();
+	setStatus(tr("Installing modpack"));
+	QDir unzipMcDir(m_stagingPath + "/unzip/minecraft");
+	if(unzipMcDir.exists()) {
+		//ok, found minecraft dir, move contents to instance dir
+		moveRecursively(m_stagingPath + "/unzip/minecraft", m_stagingPath + "/.minecraft");
+	}
+
+	QString instanceConfigPath = FS::PathCombine(m_stagingPath, "instance.cfg");
+	auto instanceSettings = std::make_shared<INISettingsObject>(instanceConfigPath);
+	instanceSettings->registerSetting("InstanceType", "Legacy");
+	instanceSettings->set("InstanceType", "OneSix");
+
+	MinecraftInstance instance(m_globalSettings, instanceSettings, m_stagingPath);
+	auto components = instance.getComponentList();
+	components->buildingFromScratch();
+	components->setComponentVersion("net.minecraft", toInstall.mcVersion, true);
+
+	bool fallback = true;
+
+	//handle different versions
+	QFile packJson(m_stagingPath + "/.minecraft/pack.json");
+	QDir jarmodDir = QDir(m_stagingPath + "/unzip/instMods");
+	if(packJson.exists()) {
+		packJson.open(QIODevice::ReadOnly | QIODevice::Text);
+		QJsonDocument doc = QJsonDocument::fromJson(packJson.readAll());
+		packJson.close();
+
+		//we only care about the libs
+		QJsonArray libs = doc.object().value("libraries").toArray();
+
+		foreach (const QJsonValue &value, libs) {
+			QString nameValue = value.toObject().value("name").toString();
+			if(!nameValue.startsWith("net.minecraftforge")) {
+				continue;
+			}
+
+			//It is always maven like
+			//net.minecraftforge:forge:1.7.10-10.13.4.1448-1.7.10:universal => 1.7.10-10.13.4.1448-1.7.10
+			QString forgeVersion = nameValue.split(":").at(2);
+
+			//1.7.10-10.13.4.1448-1.7.10 => 10.13.4.1448
+			forgeVersion = forgeVersion.replace(toInstall.mcVersion, "").replace("-", "");
+			components->setComponentVersion("net.minecraftforge", forgeVersion);
+			packJson.remove();
+			fallback = false;
+			break;
+		}
+
+	}
+
+	if(jarmodDir.exists()) {
+		qDebug() << "Found jarmods, installing...";
+
+		QStringList jarmods;
+		for (auto info: jarmodDir.entryInfoList(QDir::NoDotAndDotDot | QDir::Files))
+		{
+			qDebug() << "Jarmod:" << info.fileName();
+			jarmods.push_back(info.absoluteFilePath());
+		}
+
+		components->installJarMods(jarmods);
+		fallback = false;
+	}
+
+	//just nuke unzip directory, it s not needed anymore
+	FS::deletePath(m_stagingPath + "/unzip");
+
+	if(fallback) {
+		//TODO: Some fallback mechanism... or just keep failing!
+		emitFailed(tr("No installation method found!"));
+		return;
+	}
+
+	components->saveNow();
+
+	progress(4, 4);
+
+	instance.init();
+	instance.setName(m_instName);
+	if(m_instIcon == "default") {
+		m_instIcon = "ftb_logo";
+	}
+	instance.setIconKey(m_instIcon);
+	instance.setGroupInitial(m_instGroup);
+	instanceSettings->resumeSave();
+
+	emitSucceeded();
+}
+
+bool FtbPackInstallTask::moveRecursively(QString sourceFolder, QString destFolder)
+{
+	bool success = false;
+	QDir sourceDir(sourceFolder);
+
+	if(!sourceDir.exists())
+		return false;
+
+	QDir destDir(destFolder);
+	if(!destDir.exists())
+		destDir.mkdir(destFolder);
+
+	QStringList files = sourceDir.entryList(QDir::Files);
+	for(int i = 0; i< files.count(); i++) {
+		QString srcName = sourceFolder + QDir::separator() + files[i];
+		QString destName = destFolder + QDir::separator() + files[i];
+		success = QFile::copy(srcName, destName);
+		if(!success)
+			return false;
+		QFile::remove(srcName);
+	}
+
+	files.clear();
+	files = sourceDir.entryList(QDir::AllDirs | QDir::NoDotAndDotDot);
+	for(int i = 0; i< files.count(); i++)
+	{
+		QString srcName = sourceFolder + QDir::separator() + files[i];
+		QString destName = destFolder + QDir::separator() + files[i];
+		success = moveRecursively(srcName, destName);
+		if(!success)
+			return false;
+	}
+
+	return QDir(sourceFolder).rmdir(sourceFolder);
+}
+
+bool FtbPackInstallTask::abort() {
+	if(abortable) {
+		return m_downloader->getNetJob()->abort();
+	}
+	return false;
+}