1 files changed, 123 insertions, 0 deletions
diff --git a/logic/DerpFTBInstance.cpp b/logic/DerpFTBInstance.cpp
new file mode 100644
index 00000000..f9aeeca0
--- /dev/null
+++ b/logic/DerpFTBInstance.cpp
@@ -0,0 +1,123 @@
+#include "DerpFTBInstance.h"
+
+#include "DerpVersion.h"
+#include "DerpLibrary.h"
+#include "tasks/SequentialTask.h"
+#include "ForgeInstaller.h"
+#include "lists/ForgeVersionList.h"
+#include "MultiMC.h"
+
+class DerpFTBInstanceForge : public Task
+{
+	Q_OBJECT
+public:
+	explicit DerpFTBInstanceForge(const QString &version, DerpFTBInstance *inst, QObject *parent = 0) :
+		Task(parent), instance(inst), version("Forge " + version)
+	{
+	}
+
+	void executeTask()
+	{
+		for (int i = 0; i < MMC->forgelist()->count(); ++i)
+		{
+			if (MMC->forgelist()->at(i)->name() == version)
+			{
+				forgeVersion = std::dynamic_pointer_cast<ForgeVersion>(MMC->forgelist()->at(i));
+				break;
+			}
+		}
+		if (!forgeVersion)
+		{
+			emitFailed(QString("Couldn't find forge version ") + version );
+			return;
+		}
+		entry = MMC->metacache()->resolveEntry("minecraftforge", forgeVersion->filename);
+		if (entry->stale)
+		{
+			setStatus(tr("Downloading Forge..."));
+			fjob = new NetJob("Forge download");
+			fjob->addNetAction(CacheDownload::make(forgeVersion->installer_url, entry));
+			connect(fjob, &NetJob::failed, [this](){emitFailed(m_failReason);});
+			connect(fjob, &NetJob::succeeded, this, &DerpFTBInstanceForge::installForge);
+			connect(fjob, &NetJob::progress, [this](qint64 c, qint64 total){ setProgress(100 * c / total); });
+			fjob->start();
+		}
+		else
+		{
+			installForge();
+		}
+	}
+
+private
+slots:
+	void installForge()
+	{
+		setStatus(tr("Installing Forge..."));
+		QString forgePath = entry->getFullPath();
+		ForgeInstaller forge(forgePath, forgeVersion->universal_url);
+		if (!instance->reloadFullVersion())
+		{
+			emitFailed(tr("Couldn't load the version config"));
+			return;
+		}
+		auto version = instance->getFullVersion();
+		if (!forge.apply(version))
+		{
+			emitFailed(tr("Couldn't install Forge"));
+			return;
+		}
+		emitSucceeded();
+	}
+
+private:
+	DerpFTBInstance *instance;
+	QString version;
+	ForgeVersionPtr forgeVersion;
+	MetaEntryPtr entry;
+	NetJob *fjob;
+};
+
+DerpFTBInstance::DerpFTBInstance(const QString &rootDir, SettingsObject *settings, QObject *parent) :
+	DerpInstance(rootDir, settings, parent)
+{
+	QFile f(QDir(minecraftRoot()).absoluteFilePath("pack.json"));
+	if (f.open(QFile::ReadOnly))
+	{
+		QString data = QString::fromUtf8(f.readAll());
+		QRegularExpressionMatch match = QRegularExpression("net.minecraftforge:minecraftforge:[\\.\\d]*").match(data);
+		m_forge.reset(new DerpLibrary(match.captured()));
+		m_forge->finalize();
+	}
+}
+
+QString DerpFTBInstance::id() const
+{
+	return "FTB/" + BaseInstance::id();
+}
+
+QString DerpFTBInstance::getStatusbarDescription()
+{
+	return "Derp FTB: " + intendedVersionId();
+}
+bool DerpFTBInstance::menuActionEnabled(QString action_name) const
+{
+	return false;
+}
+
+std::shared_ptr<Task> DerpFTBInstance::doUpdate(bool only_prepare)
+{
+	std::shared_ptr<SequentialTask> task;
+	task.reset(new SequentialTask(this));
+	if (!MMC->forgelist()->isLoaded())
+	{
+		task->addTask(std::shared_ptr<Task>(MMC->forgelist()->getLoadTask()));
+	}
+	task->addTask(DerpInstance::doUpdate(only_prepare));
+	task->addTask(std::shared_ptr<Task>(new DerpFTBInstanceForge(m_forge->version(), this, this)));
+	//FIXME: yes. this may appear dumb. but the previous step can change the list, so we do it all again.
+	//TODO: Add a graph task. Construct graphs of tasks so we may capture the logic properly.
+	task->addTask(DerpInstance::doUpdate(only_prepare));
+	return task;
+}
+
+#include "DerpFTBInstance.moc"