1 files changed, 332 insertions, 0 deletions
diff --git a/api/logic/minecraft/OneSixVersionFormat.cpp b/api/logic/minecraft/OneSixVersionFormat.cpp
new file mode 100644
index 00000000..7ebf514f
--- /dev/null
+++ b/api/logic/minecraft/OneSixVersionFormat.cpp
@@ -0,0 +1,332 @@
+#include "OneSixVersionFormat.h"
+#include <Json.h>
+#include "minecraft/ParseUtils.h"
+#include <minecraft/MojangVersionFormat.h>
+
+using namespace Json;
+
+static void readString(const QJsonObject &root, const QString &key, QString &variable)
+{
+	if (root.contains(key))
+	{
+		variable = requireString(root.value(key));
+	}
+}
+
+LibraryPtr OneSixVersionFormat::libraryFromJson(const QJsonObject &libObj, const QString &filename)
+{
+	LibraryPtr out = MojangVersionFormat::libraryFromJson(libObj, filename);
+	readString(libObj, "MMC-hint", out->m_hint);
+	readString(libObj, "MMC-absulute_url", out->m_absoluteURL);
+	readString(libObj, "MMC-absoluteUrl", out->m_absoluteURL);
+	readString(libObj, "MMC-filename", out->m_filename);
+	readString(libObj, "MMC-displayname", out->m_displayname);
+	return out;
+}
+
+QJsonObject OneSixVersionFormat::libraryToJson(Library *library)
+{
+	QJsonObject libRoot = MojangVersionFormat::libraryToJson(library);
+	if (library->m_absoluteURL.size())
+		libRoot.insert("MMC-absoluteUrl", library->m_absoluteURL);
+	if (library->m_hint.size())
+		libRoot.insert("MMC-hint", library->m_hint);
+	if (library->m_filename.size())
+		libRoot.insert("MMC-filename", library->m_filename);
+	if (library->m_displayname.size())
+		libRoot.insert("MMC-displayname", library->m_displayname);
+	return libRoot;
+}
+
+VersionFilePtr OneSixVersionFormat::versionFileFromJson(const QJsonDocument &doc, const QString &filename, const bool requireOrder)
+{
+	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();
+
+	if (requireOrder)
+	{
+		if (root.contains("order"))
+		{
+			out->order = requireInteger(root.value("order"));
+		}
+		else
+		{
+			// FIXME: evaluate if we don't want to throw exceptions here instead
+			qCritical() << filename << "doesn't contain an order field";
+		}
+	}
+
+	out->name = root.value("name").toString();
+
+	if(root.contains("uid"))
+	{
+		out->uid = root.value("uid").toString();
+	}
+	else
+	{
+		out->uid = root.value("fileId").toString();
+	}
+
+	out->version = root.value("version").toString();
+	out->dependsOnMinecraftVersion = root.value("mcVersion").toString();
+	// out->filename = filename;
+
+	MojangVersionFormat::readVersionProperties(root, out.get());
+
+	// added for legacy Minecraft window embedding, TODO: remove
+	readString(root, "appletClass", out->appletClass);
+
+	if (root.contains("+tweakers"))
+	{
+		for (auto tweakerVal : requireArray(root.value("+tweakers")))
+		{
+			out->addTweakers.append(requireString(tweakerVal));
+		}
+	}
+
+	if (root.contains("+traits"))
+	{
+		for (auto tweakerVal : requireArray(root.value("+traits")))
+		{
+			out->traits.insert(requireString(tweakerVal));
+		}
+	}
+
+
+	if (root.contains("jarMods"))
+	{
+		for (auto libVal : requireArray(root.value("jarMods")))
+		{
+			QJsonObject libObj = requireObject(libVal);
+			// parse the jarmod
+			auto lib = OneSixVersionFormat::jarModFromJson(libObj, filename);
+			// and add to jar mods
+			out->jarMods.append(lib);
+		}
+	}
+	else if (root.contains("+jarMods")) // DEPRECATED: old style '+jarMods' are only here for backwards compatibility
+	{
+		for (auto libVal : requireArray(root.value("+jarMods")))
+		{
+			QJsonObject libObj = requireObject(libVal);
+			// parse the jarmod
+			auto lib = OneSixVersionFormat::plusJarModFromJson(libObj, filename, out->name);
+			// and add to jar mods
+			out->jarMods.append(lib);
+		}
+	}
+
+	if (root.contains("mods"))
+	{
+		for (auto libVal : requireArray(root.value("mods")))
+		{
+			QJsonObject libObj = requireObject(libVal);
+			// parse the jarmod
+			auto lib = OneSixVersionFormat::modFromJson(libObj, filename);
+			// and add to jar mods
+			out->mods.append(lib);
+		}
+	}
+
+	auto readLibs = [&](const char * which)
+	{
+		for (auto libVal : requireArray(root.value(which)))
+		{
+			QJsonObject libObj = requireObject(libVal);
+			// parse the library
+			auto lib = libraryFromJson(libObj, filename);
+			out->libraries.append(lib);
+		}
+	};
+	bool hasPlusLibs = root.contains("+libraries");
+	bool hasLibs = root.contains("libraries");
+	if (hasPlusLibs && hasLibs)
+	{
+		out->addProblem(ProblemSeverity::Warning,
+						QObject::tr("Version file has both '+libraries' and 'libraries'. This is no longer supported."));
+		readLibs("libraries");
+		readLibs("+libraries");
+	}
+	else if (hasLibs)
+	{
+		readLibs("libraries");
+	}
+	else if(hasPlusLibs)
+	{
+		readLibs("+libraries");
+	}
+
+	// if we have mainJar, just use it
+	if(root.contains("mainJar"))
+	{
+		QJsonObject libObj = requireObject(root, "mainJar");
+		out->mainJar = libraryFromJson(libObj, filename);
+	}
+	// else reconstruct it from downloads and id ... if that's available
+	else if(!out->minecraftVersion.isEmpty())
+	{
+		auto lib = std::make_shared<Library>();
+		lib->setRawName(GradleSpecifier(QString("com.mojang:minecraft:%1:client").arg(out->minecraftVersion)));
+		// we have a reliable client download, use it.
+		if(out->mojangDownloads.contains("client"))
+		{
+			auto LibDLInfo = std::make_shared<MojangLibraryDownloadInfo>();
+			LibDLInfo->artifact = out->mojangDownloads["client"];
+			lib->setMojangDownloadInfo(LibDLInfo);
+		}
+		// we got nothing... guess based on ancient hardcoded Mojang behaviour
+		// FIXME: this will eventually break...
+		else
+		{
+			lib->setAbsoluteUrl(URLConstants::getLegacyJarUrl(out->minecraftVersion));
+		}
+		out->mainJar = lib;
+	}
+
+	/* removed features that shouldn't be used */
+	if (root.contains("tweakers"))
+	{
+		out->addProblem(ProblemSeverity::Error, QObject::tr("Version file contains unsupported element 'tweakers'"));
+	}
+	if (root.contains("-libraries"))
+	{
+		out->addProblem(ProblemSeverity::Error, QObject::tr("Version file contains unsupported element '-libraries'"));
+	}
+	if (root.contains("-tweakers"))
+	{
+		out->addProblem(ProblemSeverity::Error, QObject::tr("Version file contains unsupported element '-tweakers'"));
+	}
+	if (root.contains("-minecraftArguments"))
+	{
+		out->addProblem(ProblemSeverity::Error, QObject::tr("Version file contains unsupported element '-minecraftArguments'"));
+	}
+	if (root.contains("+minecraftArguments"))
+	{
+		out->addProblem(ProblemSeverity::Error, QObject::tr("Version file contains unsupported element '+minecraftArguments'"));
+	}
+	return out;
+}
+
+QJsonDocument OneSixVersionFormat::versionFileToJson(const VersionFilePtr &patch, bool saveOrder)
+{
+	QJsonObject root;
+	if (saveOrder)
+	{
+		root.insert("order", patch->order);
+	}
+	writeString(root, "name", patch->name);
+
+	writeString(root, "uid", patch->uid);
+
+	writeString(root, "version", patch->version);
+	writeString(root, "mcVersion", patch->dependsOnMinecraftVersion);
+
+	MojangVersionFormat::writeVersionProperties(patch.get(), root);
+
+	if(patch->mainJar)
+	{
+		root.insert("mainJar", libraryToJson(patch->mainJar.get()));
+	}
+	writeString(root, "appletClass", patch->appletClass);
+	writeStringList(root, "+tweakers", patch->addTweakers);
+	writeStringList(root, "+traits", patch->traits.toList());
+	if (!patch->libraries.isEmpty())
+	{
+		QJsonArray array;
+		for (auto value: patch->libraries)
+		{
+			array.append(OneSixVersionFormat::libraryToJson(value.get()));
+		}
+		root.insert("libraries", array);
+	}
+	if (!patch->jarMods.isEmpty())
+	{
+		QJsonArray array;
+		for (auto value: patch->jarMods)
+		{
+			array.append(OneSixVersionFormat::jarModtoJson(value.get()));
+		}
+		root.insert("jarMods", array);
+	}
+	if (!patch->mods.isEmpty())
+	{
+		QJsonArray array;
+		for (auto value: patch->jarMods)
+		{
+			array.append(OneSixVersionFormat::modtoJson(value.get()));
+		}
+		root.insert("mods", array);
+	}
+	// write the contents to a json document.
+	{
+		QJsonDocument out;
+		out.setObject(root);
+		return out;
+	}
+}
+
+LibraryPtr OneSixVersionFormat::plusJarModFromJson(const QJsonObject &libObj, const QString &filename, const QString &originalName)
+{
+	LibraryPtr out(new Library());
+	if (!libObj.contains("name"))
+	{
+		throw JSONValidationError(filename +
+								  "contains a jarmod that doesn't have a 'name' field");
+	}
+
+	// just make up something unique on the spot for the library name.
+	auto uuid = QUuid::createUuid();
+	QString id = uuid.toString().remove('{').remove('}');
+	out->setRawName(GradleSpecifier("org.multimc.jarmods:" + id + ":1"));
+
+	// filename override is the old name
+	out->setFilename(libObj.value("name").toString());
+
+	// it needs to be local, it is stored in the instance jarmods folder
+	out->setHint("local");
+
+	// read the original name if present - some versions did not set it
+	// it is the original jar mod filename before it got renamed at the point of addition
+	auto displayName = libObj.value("originalName").toString();
+	if(displayName.isEmpty())
+	{
+		auto fixed = originalName;
+		fixed.remove(" (jar mod)");
+		out->setDisplayName(fixed);
+	}
+	else
+	{
+		out->setDisplayName(displayName);
+	}
+	return out;
+}
+
+LibraryPtr OneSixVersionFormat::jarModFromJson(const QJsonObject& libObj, const QString& filename)
+{
+	return libraryFromJson(libObj, filename);
+}
+
+
+QJsonObject OneSixVersionFormat::jarModtoJson(Library *jarmod)
+{
+	return libraryToJson(jarmod);
+}
+
+LibraryPtr OneSixVersionFormat::modFromJson(const QJsonObject& libObj, const QString& filename)
+{
+	return  libraryFromJson(libObj, filename);
+}
+
+QJsonObject OneSixVersionFormat::modtoJson(Library *jarmod)
+{
+	return libraryToJson(jarmod);
+}