All of the broken legacy things work.

logic/minecraft/MinecraftVersion.cpp

@@ -1,2 +1,95 @@
 #include "MinecraftVersion.h"
+#include "VersionFinal.h"
 
+bool MinecraftVersion::usesLegacyLauncher()
+{
+	return m_traits.contains("legacyLaunch") || m_traits.contains("aplhaLaunch");
+}
+QString MinecraftVersion::descriptor()
+{
+	return m_descriptor;
+}
+QString MinecraftVersion::name()
+{
+	return m_name;
+}
+QString MinecraftVersion::typeString() const
+{
+	if (is_latest && is_snapshot)
+	{
+		return QObject::tr("Latest snapshot");
+	}
+	else if (is_latest)
+	{
+		return QObject::tr("Latest release");
+	}
+	else if (is_snapshot)
+	{
+		return QObject::tr("Snapshot");
+	}
+	else
+	{
+		return QObject::tr("Regular release");
+	}
+}
+bool MinecraftVersion::hasJarMods()
+{
+	return false;
+}
+bool MinecraftVersion::isVanilla()
+{
+	return true;
+}
+
+void MinecraftVersion::applyTo(VersionFinal *version)
+{
+	// FIXME: make this work.
+	if(m_versionSource != Builtin)
+	{
+		return;
+	}
+	if (!m_descriptor.isNull())
+	{
+		version->id = m_descriptor;
+	}
+	if (!m_mainClass.isNull())
+	{
+		version->mainClass = m_mainClass;
+	}
+	if (!m_appletClass.isNull())
+	{
+		version->appletClass = m_appletClass;
+	}
+	if (!m_processArguments.isNull())
+	{
+		version->vanillaProcessArguments = m_processArguments;
+		version->processArguments = m_processArguments;
+	}
+	if (!m_type.isNull())
+	{
+		version->type = m_type;
+	}
+	if (!m_releaseTimeString.isNull())
+	{
+		version->m_releaseTimeString = m_releaseTimeString;
+		version->m_releaseTime = m_releaseTime;
+	}
+	if (!m_updateTimeString.isNull())
+	{
+		version->m_updateTimeString = m_updateTimeString;
+		version->m_updateTime = m_updateTime;
+	}
+	version->traits.unite(m_traits);
+}
+int MinecraftVersion::getOrder()
+{
+	return order;
+}
+void MinecraftVersion::setOrder(int order)
+{
+	this->order = order;
+}
+QList<JarmodPtr> MinecraftVersion::getJarMods()
+{
+	return QList<JarmodPtr>();
+}