Add 'meshmc/' from commit 'fad6a1066616b69d7f5fef01178efdf014c59537'

git-subtree-dir: meshmc
git-subtree-mainline: 934382c8a1ce738589dee9ee0f14e1cec812770e
git-subtree-split: fad6a1066616b69d7f5fef01178efdf014c59537

1 files changed, 162 insertions, 0 deletions

diff --git a/meshmc/launcher/minecraft/MinecraftInstance.h b/meshmc/launcher/minecraft/MinecraftInstance.h
new file mode 100644
index 0000000000..1d54e85c00
--- /dev/null
+++ b/meshmc/launcher/minecraft/MinecraftInstance.h
@@ -0,0 +1,162 @@
+/* SPDX-FileCopyrightText: 2026 Project Tick
+ * SPDX-FileContributor: Project Tick
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ *   MeshMC - A Custom Launcher for Minecraft
+ *   Copyright (C) 2026 Project Tick
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+#include "BaseInstance.h"
+#include <java/JavaVersion.h>
+#include "minecraft/mod/Mod.h"
+#include <QProcess>
+#include <QDir>
+#include "minecraft/launch/MinecraftServerTarget.h"
+
+class ModFolderModel;
+class WorldList;
+class GameOptions;
+class LaunchStep;
+class PackProfile;
+
+class MinecraftInstance : public BaseInstance
+{
+	Q_OBJECT
+  public:
+	MinecraftInstance(SettingsObjectPtr globalSettings,
+					  SettingsObjectPtr settings, const QString& rootDir);
+	virtual ~MinecraftInstance() {};
+	virtual void saveNow() override;
+
+	// FIXME: remove
+	QString typeName() const override;
+	// FIXME: remove
+	QSet<QString> traits() const override;
+
+	bool canEdit() const override
+	{
+		return true;
+	}
+
+	bool canExport() const override
+	{
+		return true;
+	}
+
+	////// Directories and files //////
+	QString jarModsDir() const;
+	QString resourcePacksDir() const;
+	QString texturePacksDir() const;
+	QString shaderPacksDir() const;
+	QString modsRoot() const override;
+	QString coreModsDir() const;
+	QString modsCacheLocation() const;
+	QString libDir() const;
+	QString worldDir() const;
+	QString resourcesDir() const;
+	QDir jarmodsPath() const;
+	QDir librariesPath() const;
+	QDir versionsPath() const;
+	QString instanceConfigFolder() const override;
+
+	// Path to the instance's minecraft directory.
+	QString gameRoot() const override;
+
+	// Path to the instance's minecraft bin directory.
+	QString binRoot() const;
+
+	// where to put the natives during/before launch
+	QString getNativePath() const;
+
+	// where the instance-local libraries should be
+	QString getLocalLibraryPath() const;
+
+	//////  Profile management //////
+	std::shared_ptr<PackProfile> getPackProfile() const;
+
+	//////  Mod Lists  //////
+	std::shared_ptr<ModFolderModel> loaderModList() const;
+	std::shared_ptr<ModFolderModel> coreModList() const;
+	std::shared_ptr<ModFolderModel> resourcePackList() const;
+	std::shared_ptr<ModFolderModel> texturePackList() const;
+	std::shared_ptr<ModFolderModel> shaderPackList() const;
+	std::shared_ptr<WorldList> worldList() const;
+	std::shared_ptr<GameOptions> gameOptionsModel() const;
+
+	//////  Launch stuff //////
+	Task::Ptr createUpdateTask(Net::Mode mode) override;
+	shared_qobject_ptr<LaunchTask>
+	createLaunchTask(AuthSessionPtr account,
+					 MinecraftServerTargetPtr serverToJoin) override;
+	QStringList extraArguments() const override;
+	QStringList
+	verboseDescription(AuthSessionPtr session,
+					   MinecraftServerTargetPtr serverToJoin) override;
+	QList<Mod> getJarMods() const;
+	QString createLaunchScript(AuthSessionPtr session,
+							   MinecraftServerTargetPtr serverToJoin);
+	/// get arguments passed to java
+	QStringList javaArguments() const;
+
+	/// get variables for launch command variable substitution/environment
+	QMap<QString, QString> getVariables() const override;
+
+	/// create an environment for launching processes
+	QProcessEnvironment createEnvironment() override;
+
+	/// guess log level from a line of minecraft log
+	MessageLevel::Enum guessLevel(const QString& line,
+								  MessageLevel::Enum level) override;
+
+	IPathMatcher::Ptr getLogFileMatcher() override;
+
+	QString getLogFileRoot() override;
+
+	QString getStatusbarDescription() override;
+
+	// FIXME: remove
+	virtual QStringList getClassPath() const;
+	// FIXME: remove
+	virtual QStringList getNativeJars() const;
+	// FIXME: remove
+	virtual QString getMainClass() const;
+
+	// FIXME: remove
+	virtual QStringList
+	processMinecraftArgs(AuthSessionPtr account,
+						 MinecraftServerTargetPtr serverToJoin) const;
+
+	virtual JavaVersion getJavaVersion() const;
+
+  protected:
+	QMap<QString, QString>
+	createCensorFilterFromSession(AuthSessionPtr session);
+	QStringList validLaunchMethods();
+	QString launchMethod();
+
+  protected: // data
+	std::shared_ptr<PackProfile> m_components;
+	mutable std::shared_ptr<ModFolderModel> m_loader_mod_list;
+	mutable std::shared_ptr<ModFolderModel> m_core_mod_list;
+	mutable std::shared_ptr<ModFolderModel> m_resource_pack_list;
+	mutable std::shared_ptr<ModFolderModel> m_shader_pack_list;
+	mutable std::shared_ptr<ModFolderModel> m_texture_pack_list;
+	mutable std::shared_ptr<WorldList> m_world_list;
+	mutable std::shared_ptr<GameOptions> m_game_options;
+};
+
+typedef std::shared_ptr<MinecraftInstance> MinecraftInstancePtr;