NOISSUE Add back Legacy for migration purposes

1 files changed, 313 insertions, 0 deletions

diff --git a/api/logic/minecraft/legacy/LegacyInstance.cpp b/api/logic/minecraft/legacy/LegacyInstance.cpp
new file mode 100644
index 00000000..532e8307
--- /dev/null
+++ b/api/logic/minecraft/legacy/LegacyInstance.cpp
@@ -0,0 +1,313 @@
+/* Copyright 2013-2017 MultiMC Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <QFileInfo>
+#include <minecraft/launch/LauncherPartLaunch.h>
+#include <QDir>
+#include <settings/Setting.h>
+
+#include "LegacyInstance.h"
+
+#include "minecraft/legacy/LegacyModList.h"
+#include "minecraft/ModList.h"
+#include "minecraft/WorldList.h"
+#include <MMCZip.h>
+#include <FileSystem.h>
+
+LegacyInstance::LegacyInstance(SettingsObjectPtr globalSettings, SettingsObjectPtr settings, const QString &rootDir)
+	: BaseInstance(globalSettings, settings, rootDir)
+{
+	settings->registerSetting("NeedsRebuild", true);
+	settings->registerSetting("ShouldUpdate", false);
+	settings->registerSetting("JarVersion", "Unknown");
+	settings->registerSetting("IntendedJarVersion", "");
+	/*
+	 * custom base jar has no default. it is determined in code... see the accessor methods for
+	 *it
+	 *
+	 * for instances that DO NOT have the CustomBaseJar setting (legacy instances),
+	 * [.]minecraft/bin/mcbackup.jar is the default base jar
+	 */
+	settings->registerSetting("UseCustomBaseJar", true);
+	settings->registerSetting("CustomBaseJar", "");
+}
+
+QString LegacyInstance::baseJar() const
+{
+	bool customJar = m_settings->get("UseCustomBaseJar").toBool();
+	if (customJar)
+	{
+		return customBaseJar();
+	}
+	else
+		return defaultBaseJar();
+}
+
+QString LegacyInstance::customBaseJar() const
+{
+	QString value = m_settings->get("CustomBaseJar").toString();
+	if (value.isNull() || value.isEmpty())
+	{
+		return defaultCustomBaseJar();
+	}
+	return value;
+}
+
+bool LegacyInstance::shouldUseCustomBaseJar() const
+{
+	return m_settings->get("UseCustomBaseJar").toBool();
+}
+
+
+shared_qobject_ptr<Task> LegacyInstance::createUpdateTask()
+{
+	return nullptr;
+}
+
+/*
+class LegacyJarModTask : public Task
+{
+	//Q_OBJECT
+public:
+	explicit LegacyJarModTask(std::shared_ptr<LegacyInstance> inst) : Task(nullptr), m_inst(inst)
+	{
+	}
+	virtual void executeTask()
+	{
+		if (!m_inst->shouldRebuild())
+		{
+			emitSucceeded();
+			return;
+		}
+
+		// Get the mod list
+		auto modList = m_inst->getJarMods();
+
+		QFileInfo runnableJar(m_inst->runnableJar());
+		QFileInfo baseJar(m_inst->baseJar());
+		bool base_is_custom = m_inst->shouldUseCustomBaseJar();
+
+		// Nothing to do if there are no jar mods to install, no backup and just the mc jar
+		if (base_is_custom)
+		{
+			// yes, this can happen if the instance only has the runnable jar and not the base jar
+			// it *could* be assumed that such an instance is vanilla, but that wouldn't be safe
+			// because that's not something mmc4 guarantees
+			if (runnableJar.isFile() && !baseJar.exists() && modList.empty())
+			{
+				m_inst->setShouldRebuild(false);
+				emitSucceeded();
+				return;
+			}
+
+			setStatus(tr("Installing mods: Backing up minecraft.jar ..."));
+			if (!baseJar.exists() && !QFile::copy(runnableJar.filePath(), baseJar.filePath()))
+			{
+				emitFailed("It seems both the active and base jar are gone. A fresh base jar will "
+						"be used on next run.");
+				m_inst->setShouldRebuild(true);
+				m_inst->setShouldUpdate(true);
+				m_inst->setShouldUseCustomBaseJar(false);
+				return;
+			}
+		}
+
+		if (!baseJar.exists())
+		{
+			emitFailed("The base jar " + baseJar.filePath() + " does not exist");
+			return;
+		}
+
+		if (runnableJar.exists() && !QFile::remove(runnableJar.filePath()))
+		{
+			emitFailed("Failed to delete old minecraft.jar");
+			return;
+		}
+
+		setStatus(tr("Installing mods: Opening minecraft.jar ..."));
+
+		QString outputJarPath = runnableJar.filePath();
+		QString inputJarPath = baseJar.filePath();
+
+		if(!MMCZip::createModdedJar(inputJarPath, outputJarPath, modList))
+		{
+			emitFailed(tr("Failed to create the custom Minecraft jar file."));
+			return;
+		}
+		m_inst->setShouldRebuild(false);
+		// inst->UpdateVersion(true);
+		emitSucceeded();
+		return;
+
+	}
+	std::shared_ptr<LegacyInstance> m_inst;
+};
+*/
+
+std::shared_ptr<LegacyModList> LegacyInstance::jarModList() const
+{
+	if (!jar_mod_list)
+	{
+		auto list = new LegacyModList(jarModsDir(), modListFile());
+		jar_mod_list.reset(list);
+	}
+	jar_mod_list->update();
+	return jar_mod_list;
+}
+
+QList<Mod> LegacyInstance::getJarMods() const
+{
+	return jarModList()->allMods();
+}
+
+QString LegacyInstance::minecraftRoot() const
+{
+	QFileInfo mcDir(FS::PathCombine(instanceRoot(), "minecraft"));
+	QFileInfo dotMCDir(FS::PathCombine(instanceRoot(), ".minecraft"));
+
+	if (dotMCDir.exists() && !mcDir.exists())
+		return dotMCDir.filePath();
+	else
+		return mcDir.filePath();
+}
+
+QString LegacyInstance::binRoot() const
+{
+	return FS::PathCombine(minecraftRoot(), "bin");
+}
+
+QString LegacyInstance::jarModsDir() const
+{
+	return FS::PathCombine(instanceRoot(), "instMods");
+}
+
+QString LegacyInstance::libDir() const
+{
+	return FS::PathCombine(minecraftRoot(), "lib");
+}
+
+QString LegacyInstance::savesDir() const
+{
+	return FS::PathCombine(minecraftRoot(), "saves");
+}
+
+QString LegacyInstance::loaderModsDir() const
+{
+	return FS::PathCombine(minecraftRoot(), "mods");
+}
+
+QString LegacyInstance::coreModsDir() const
+{
+	return FS::PathCombine(minecraftRoot(), "coremods");
+}
+
+QString LegacyInstance::resourceDir() const
+{
+	return FS::PathCombine(minecraftRoot(), "resources");
+}
+QString LegacyInstance::texturePacksDir() const
+{
+	return FS::PathCombine(minecraftRoot(), "texturepacks");
+}
+
+QString LegacyInstance::runnableJar() const
+{
+	return FS::PathCombine(binRoot(), "minecraft.jar");
+}
+
+QString LegacyInstance::modListFile() const
+{
+	return FS::PathCombine(instanceRoot(), "modlist");
+}
+
+QString LegacyInstance::instanceConfigFolder() const
+{
+	return FS::PathCombine(minecraftRoot(), "config");
+}
+
+bool LegacyInstance::shouldRebuild() const
+{
+	return m_settings->get("NeedsRebuild").toBool();
+}
+
+QString LegacyInstance::currentVersionId() const
+{
+	return m_settings->get("JarVersion").toString();
+}
+
+QString LegacyInstance::intendedVersionId() const
+{
+	return m_settings->get("IntendedJarVersion").toString();
+}
+
+bool LegacyInstance::shouldUpdate() const
+{
+	QVariant var = settings()->get("ShouldUpdate");
+	if (!var.isValid() || var.toBool() == false)
+	{
+		return intendedVersionId() != currentVersionId();
+	}
+	return true;
+}
+
+QString LegacyInstance::defaultBaseJar() const
+{
+	return "versions/" + intendedVersionId() + "/" + intendedVersionId() + ".jar";
+}
+
+QString LegacyInstance::defaultCustomBaseJar() const
+{
+	return FS::PathCombine(binRoot(), "mcbackup.jar");
+}
+
+QString LegacyInstance::typeName() const
+{
+	return tr("Legacy");
+}
+
+QString LegacyInstance::getStatusbarDescription()
+{
+	return tr("Instance from previous versions.");
+}
+
+QStringList LegacyInstance::verboseDescription(AuthSessionPtr session)
+{
+	QStringList out;
+
+	auto alltraits = traits();
+	if(alltraits.size())
+	{
+		out << "Traits:";
+		for (auto trait : alltraits)
+		{
+			out << "  " + trait;
+		}
+		out << "";
+	}
+
+	QString windowParams;
+	if (settings()->get("LaunchMaximized").toBool())
+	{
+		out << "Window size: max (if available)";
+	}
+	else
+	{
+		auto width = settings()->get("MinecraftWinWidth").toInt();
+		auto height = settings()->get("MinecraftWinHeight").toInt();
+		out << "Window size: " + QString::number(width) + " x " + QString::number(height);
+	}
+	out << "";
+	return out;
+}