1 files changed, 453 insertions, 0 deletions
diff --git a/libraries/logic/minecraft/legacy/LegacyInstance.cpp b/libraries/logic/minecraft/legacy/LegacyInstance.cpp
new file mode 100644
index 00000000..f8264f20
--- /dev/null
+++ b/libraries/logic/minecraft/legacy/LegacyInstance.cpp
@@ -0,0 +1,453 @@
+/* Copyright 2013-2015 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 <QDir>
+#include <settings/Setting.h>
+
+#include "LegacyInstance.h"
+
+#include "minecraft/legacy/LegacyUpdate.h"
+#include "launch/LaunchTask.h"
+#include <launch/steps/LaunchMinecraft.h>
+#include <launch/steps/PostLaunchCommand.h>
+#include <launch/steps/ModMinecraftJar.h>
+#include <launch/steps/Update.h>
+#include <launch/steps/PreLaunchCommand.h>
+#include <launch/steps/TextPrint.h>
+#include <launch/steps/CheckJava.h>
+#include "minecraft/ModList.h"
+#include "minecraft/WorldList.h"
+#include <MMCZip.h>
+#include <FileSystem.h>
+
+LegacyInstance::LegacyInstance(SettingsObjectPtr globalSettings, SettingsObjectPtr settings, const QString &rootDir)
+	: MinecraftInstance(globalSettings, settings, rootDir)
+{
+	m_lwjglFolderSetting = globalSettings->getSetting("LWJGLDir");
+	settings->registerSetting("NeedsRebuild", true);
+	settings->registerSetting("ShouldUpdate", false);
+	settings->registerSetting("JarVersion", "Unknown");
+	settings->registerSetting("LwjglVersion", "2.9.0");
+	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;
+}
+
+void LegacyInstance::setCustomBaseJar(QString val)
+{
+	if (val.isNull() || val.isEmpty() || val == defaultCustomBaseJar())
+		m_settings->reset("CustomBaseJar");
+	else
+		m_settings->set("CustomBaseJar", val);
+}
+
+void LegacyInstance::setShouldUseCustomBaseJar(bool val)
+{
+	m_settings->set("UseCustomBaseJar", val);
+}
+
+bool LegacyInstance::shouldUseCustomBaseJar() const
+{
+	return m_settings->get("UseCustomBaseJar").toBool();
+}
+
+
+std::shared_ptr<Task> LegacyInstance::createUpdateTask()
+{
+	// make sure the jar mods list is initialized by asking for it.
+	auto list = jarModList();
+	// create an update task
+	return std::shared_ptr<Task>(new LegacyUpdate(this, this));
+}
+
+std::shared_ptr<LaunchTask> LegacyInstance::createLaunchTask(AuthSessionPtr session)
+{
+	auto process = LaunchTask::create(std::dynamic_pointer_cast<MinecraftInstance>(getSharedPtr()));
+	auto pptr = process.get();
+
+	// print a header
+	{
+		process->appendStep(std::make_shared<TextPrint>(pptr, "Minecraft folder is:\n" + minecraftRoot() + "\n\n", MessageLevel::MultiMC));
+	}
+	{
+		auto step = std::make_shared<CheckJava>(pptr);
+		process->appendStep(step);
+	}
+	// run pre-launch command if that's needed
+	if(getPreLaunchCommand().size())
+	{
+		auto step = std::make_shared<PreLaunchCommand>(pptr);
+		step->setWorkingDirectory(minecraftRoot());
+		process->appendStep(step);
+	}
+	// if we aren't in offline mode,.
+	if(session->status != AuthSession::PlayableOffline)
+	{
+		process->appendStep(std::make_shared<Update>(pptr));
+	}
+	// if there are any jar mods
+	if(getJarMods().size())
+	{
+		auto step = std::make_shared<ModMinecraftJar>(pptr);
+		process->appendStep(step);
+	}
+	// actually launch the game
+	{
+		auto step = std::make_shared<LaunchMinecraft>(pptr);
+		step->setWorkingDirectory(minecraftRoot());
+		step->setAuthSession(session);
+		process->appendStep(step);
+	}
+	// run post-exit command if that's needed
+	if(getPostExitCommand().size())
+	{
+		auto step = std::make_shared<PostLaunchCommand>(pptr);
+		step->setWorkingDirectory(minecraftRoot());
+		process->appendStep(step);
+	}
+	if (session)
+	{
+		process->setCensorFilter(createCensorFilterFromSession(session));
+	}
+	return process;
+}
+
+std::shared_ptr<Task> LegacyInstance::createJarModdingTask()
+{
+	class JarModTask : public Task
+	{
+	public:
+		explicit JarModTask(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;
+	};
+	return std::make_shared<JarModTask>(std::dynamic_pointer_cast<LegacyInstance>(shared_from_this()));
+}
+
+QString LegacyInstance::createLaunchScript(AuthSessionPtr session)
+{
+	QString launchScript;
+
+	// window size
+	QString windowParams;
+	if (settings()->get("LaunchMaximized").toBool())
+	{
+		windowParams = "max";
+	}
+	else
+	{
+		windowParams = QString("%1x%2").arg(settings()->get("MinecraftWinWidth").toInt()).arg(settings()->get("MinecraftWinHeight").toInt());
+	}
+
+	QString lwjgl = QDir(m_lwjglFolderSetting->get().toString() + "/" + lwjglVersion()).absolutePath();
+	launchScript += "userName " + session->player_name + "\n";
+	launchScript += "sessionId " + session->session + "\n";
+	launchScript += "windowTitle " + windowTitle() + "\n";
+	launchScript += "windowParams " + windowParams + "\n";
+	launchScript += "lwjgl " + lwjgl + "\n";
+	launchScript += "launcher legacy\n";
+	return launchScript;
+}
+
+void LegacyInstance::cleanupAfterRun()
+{
+	// FIXME: delete the launcher and icons and whatnot.
+}
+
+std::shared_ptr<ModList> LegacyInstance::coreModList() const
+{
+	if (!core_mod_list)
+	{
+		core_mod_list.reset(new ModList(coreModsDir()));
+	}
+	core_mod_list->update();
+	return core_mod_list;
+}
+
+std::shared_ptr<ModList> LegacyInstance::jarModList() const
+{
+	if (!jar_mod_list)
+	{
+		auto list = new ModList(jarModsDir(), modListFile());
+		connect(list, SIGNAL(changed()), SLOT(jarModsChanged()));
+		jar_mod_list.reset(list);
+	}
+	jar_mod_list->update();
+	return jar_mod_list;
+}
+
+QList<Mod> LegacyInstance::getJarMods() const
+{
+	return jarModList()->allMods();
+}
+
+void LegacyInstance::jarModsChanged()
+{
+	qDebug() << "Jar mods of instance " << name() << " have changed. Jar will be rebuilt.";
+	setShouldRebuild(true);
+}
+
+std::shared_ptr<ModList> LegacyInstance::loaderModList() const
+{
+	if (!loader_mod_list)
+	{
+		loader_mod_list.reset(new ModList(loaderModsDir()));
+	}
+	loader_mod_list->update();
+	return loader_mod_list;
+}
+
+std::shared_ptr<ModList> LegacyInstance::texturePackList() const
+{
+	if (!texture_pack_list)
+	{
+		texture_pack_list.reset(new ModList(texturePacksDir()));
+	}
+	texture_pack_list->update();
+	return texture_pack_list;
+}
+
+std::shared_ptr<WorldList> LegacyInstance::worldList() const
+{
+	if (!m_world_list)
+	{
+		m_world_list.reset(new WorldList(savesDir()));
+	}
+	return m_world_list;
+}
+
+QString LegacyInstance::jarModsDir() const
+{
+	return FS::PathCombine(instanceRoot(), "instMods");
+}
+
+QString LegacyInstance::binDir() const
+{
+	return FS::PathCombine(minecraftRoot(), "bin");
+}
+
+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(binDir(), "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();
+}
+
+void LegacyInstance::setShouldRebuild(bool val)
+{
+	m_settings->set("NeedsRebuild", val);
+}
+
+QString LegacyInstance::currentVersionId() const
+{
+	return m_settings->get("JarVersion").toString();
+}
+
+QString LegacyInstance::lwjglVersion() const
+{
+	return m_settings->get("LwjglVersion").toString();
+}
+
+void LegacyInstance::setLWJGLVersion(QString val)
+{
+	m_settings->set("LwjglVersion", val);
+}
+
+QString LegacyInstance::intendedVersionId() const
+{
+	return m_settings->get("IntendedJarVersion").toString();
+}
+
+bool LegacyInstance::setIntendedVersionId(QString version)
+{
+	settings()->set("IntendedJarVersion", version);
+	setShouldUpdate(true);
+	return true;
+}
+
+bool LegacyInstance::shouldUpdate() const
+{
+	QVariant var = settings()->get("ShouldUpdate");
+	if (!var.isValid() || var.toBool() == false)
+	{
+		return intendedVersionId() != currentVersionId();
+	}
+	return true;
+}
+
+void LegacyInstance::setShouldUpdate(bool val)
+{
+	settings()->set("ShouldUpdate", val);
+}
+
+QString LegacyInstance::defaultBaseJar() const
+{
+	return "versions/" + intendedVersionId() + "/" + intendedVersionId() + ".jar";
+}
+
+QString LegacyInstance::defaultCustomBaseJar() const
+{
+	return FS::PathCombine(binDir(), "mcbackup.jar");
+}
+
+QString LegacyInstance::lwjglFolder() const
+{
+	return m_lwjglFolderSetting->get().toString();
+}
+
+QString LegacyInstance::typeName() const
+{
+	return tr("Legacy");
+}