1 files changed, 71 insertions, 0 deletions
diff --git a/logic/minecraft/MojangVersionFormat.cpp b/logic/minecraft/MojangVersionFormat.cpp
new file mode 100644
index 00000000..7427156b
--- /dev/null
+++ b/logic/minecraft/MojangVersionFormat.cpp
@@ -0,0 +1,71 @@
+#include "MojangVersionFormat.h"
+
+#include "Json.h"
+using namespace Json;
+
+static const int CURRENT_MINIMUM_LAUNCHER_VERSION = 14;
+
+// FIXME: duplicated in OneSixVersionFormat!
+static void readString(const QJsonObject &root, const QString &key, QString &variable)
+{
+	if (root.contains(key))
+	{
+		variable = requireString(root.value(key));
+	}
+}
+
+VersionFilePtr MojangVersionFormat::fromJson(const QJsonDocument &doc, const QString &filename)
+{
+	VersionFilePtr out(new VersionFile());
+	if (doc.isEmpty() || doc.isNull())
+	{
+		throw JSONValidationError(filename + " is empty or null");
+	}
+	if (!doc.isObject())
+	{
+		throw JSONValidationError(filename + " is not an object");
+	}
+
+	QJsonObject root = doc.object();
+
+	out->name = root.value("name").toString();
+	out->fileId = root.value("fileId").toString();
+	out->version = root.value("version").toString();
+	out->mcVersion = root.value("mcVersion").toString();
+	out->filename = filename;
+
+	readString(root, "id", out->id);
+
+	readString(root, "mainClass", out->mainClass);
+	readString(root, "appletClass", out->appletClass);
+	readString(root, "minecraftArguments", out->overwriteMinecraftArguments);
+	readString(root, "type", out->type);
+
+	readString(root, "assets", out->assets);
+
+	if (root.contains("minimumLauncherVersion"))
+	{
+		auto minimumLauncherVersion = requireInteger(root.value("minimumLauncherVersion"));
+		if (minimumLauncherVersion > CURRENT_MINIMUM_LAUNCHER_VERSION)
+		{
+			out->addProblem(
+				PROBLEM_WARNING,
+				QObject::tr("The 'minimumLauncherVersion' value of this version (%1) is higher than supported by MultiMC (%2). It might not work properly!")
+					.arg(minimumLauncherVersion)
+					.arg(CURRENT_MINIMUM_LAUNCHER_VERSION));
+		}
+	}
+
+	if (root.contains("libraries"))
+	{
+		out->shouldOverwriteLibs = true;
+		for (auto libVal : requireArray(root.value("libraries")))
+		{
+			auto libObj = requireObject(libVal);
+
+			auto lib = RawLibrary::fromJson(libObj, filename);
+			out->overwriteLibs.append(lib);
+		}
+	}
+	return out;
+}