Add 'meshmc/' from commit 'fad6a1066616b69d7f5fef01178efdf014c59537'

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

4 files changed, 293 insertions, 0 deletions

diff --git a/meshmc/launcher/modplatform/modrinth/ModrinthPackIndex.cpp b/meshmc/launcher/modplatform/modrinth/ModrinthPackIndex.cpp
new file mode 100644
index 0000000000..9690df8a13
--- /dev/null
+++ b/meshmc/launcher/modplatform/modrinth/ModrinthPackIndex.cpp
@@ -0,0 +1,84 @@
+/* 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/>.
+ */
+
+#include "ModrinthPackIndex.h"
+
+#include "Json.h"
+
+void Modrinth::loadIndexedPack(Modrinth::IndexedPack& pack, QJsonObject& obj)
+{
+	pack.projectId = Json::ensureString(obj, "project_id", "");
+	if (pack.projectId.isEmpty()) {
+		pack.projectId = Json::requireString(obj, "id");
+	}
+	pack.slug = Json::ensureString(obj, "slug", "");
+	pack.name = Json::requireString(obj, "title");
+	pack.description = Json::ensureString(obj, "description", "");
+	pack.author = Json::ensureString(obj, "author", "");
+	pack.downloads = Json::ensureInteger(obj, "downloads", 0);
+
+	pack.iconUrl = Json::ensureString(obj, "icon_url", "");
+}
+
+void Modrinth::loadIndexedPackVersions(Modrinth::IndexedPack& pack,
+									   QJsonArray& arr)
+{
+	pack.versions.clear();
+	for (auto versionRaw : arr) {
+		auto obj = versionRaw.toObject();
+		Modrinth::IndexedVersion version;
+		version.id = Json::requireString(obj, "id");
+		version.projectId =
+			Json::ensureString(obj, "project_id", pack.projectId);
+		version.name = Json::ensureString(obj, "name", "");
+		version.versionNumber = Json::requireString(obj, "version_number");
+
+		auto gameVersions = Json::ensureArray(obj, "game_versions");
+		if (!gameVersions.isEmpty()) {
+			version.mcVersion = gameVersions.first().toString();
+		}
+
+		auto loaders = Json::ensureArray(obj, "loaders");
+		QStringList loaderList;
+		for (auto loader : loaders) {
+			loaderList.append(loader.toString());
+		}
+		version.loaders = loaderList.join(", ");
+
+		auto files = Json::ensureArray(obj, "files");
+		for (auto fileRaw : files) {
+			auto fileObj = fileRaw.toObject();
+			bool primary = Json::ensureBoolean(fileObj, "primary", false);
+			if (primary || files.size() == 1) {
+				version.downloadUrl = Json::ensureString(fileObj, "url", "");
+				version.downloadSize = Json::ensureInteger(fileObj, "size", 0);
+				auto hashes = Json::ensureObject(fileObj, "hashes");
+				version.sha1 = Json::ensureString(hashes, "sha1", "");
+				break;
+			}
+		}
+
+		if (!version.downloadUrl.isEmpty()) {
+			pack.versions.append(version);
+		}
+	}
+	pack.versionsLoaded = true;
+}
diff --git a/meshmc/launcher/modplatform/modrinth/ModrinthPackIndex.h b/meshmc/launcher/modplatform/modrinth/ModrinthPackIndex.h
new file mode 100644
index 0000000000..3abadcb6b8
--- /dev/null
+++ b/meshmc/launcher/modplatform/modrinth/ModrinthPackIndex.h
@@ -0,0 +1,62 @@
+/* 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 <QList>
+#include <QMetaType>
+#include <QString>
+#include <QVector>
+
+namespace Modrinth
+{
+
+	struct IndexedVersion {
+		QString id;
+		QString projectId;
+		QString name;
+		QString versionNumber;
+		QString mcVersion;
+		QString downloadUrl;
+		int downloadSize = 0;
+		QString sha1;
+		QString loaders;
+	};
+
+	struct IndexedPack {
+		QString projectId;
+		QString slug;
+		QString name;
+		QString description;
+		QString author;
+		QString iconUrl;
+		int downloads = 0;
+
+		bool versionsLoaded = false;
+		QVector<IndexedVersion> versions;
+	};
+
+	void loadIndexedPack(IndexedPack& pack, QJsonObject& obj);
+	void loadIndexedPackVersions(IndexedPack& pack, QJsonArray& arr);
+
+} // namespace Modrinth
+
+Q_DECLARE_METATYPE(Modrinth::IndexedPack)
diff --git a/meshmc/launcher/modplatform/modrinth/ModrinthPackManifest.cpp b/meshmc/launcher/modplatform/modrinth/ModrinthPackManifest.cpp
new file mode 100644
index 0000000000..f2962925b2
--- /dev/null
+++ b/meshmc/launcher/modplatform/modrinth/ModrinthPackManifest.cpp
@@ -0,0 +1,85 @@
+/* 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/>.
+ */
+
+#include "ModrinthPackManifest.h"
+
+#include "Json.h"
+
+static void loadFile(Modrinth::File& f, QJsonObject& fileObj)
+{
+	f.path = Json::requireString(fileObj, "path");
+
+	auto downloads = Json::requireArray(fileObj, "downloads");
+	if (!downloads.isEmpty()) {
+		f.downloadUrl = QUrl(downloads.first().toString());
+	}
+
+	auto hashes = Json::ensureObject(fileObj, "hashes");
+	f.sha1 = Json::ensureString(hashes, "sha1", "");
+	f.sha512 = Json::ensureString(hashes, "sha512", "");
+
+	f.fileSize = Json::ensureInteger(fileObj, "fileSize", 0);
+}
+
+static void loadDependencies(Modrinth::Manifest& m, QJsonObject& deps)
+{
+	m.minecraftVersion = Json::ensureString(deps, "minecraft", "");
+	m.forgeVersion = Json::ensureString(deps, "forge", "");
+	m.fabricVersion = Json::ensureString(deps, "fabric-loader", "");
+	m.quiltVersion = Json::ensureString(deps, "quilt-loader", "");
+	m.neoForgeVersion = Json::ensureString(deps, "neoforge", "");
+}
+
+void Modrinth::loadManifest(Modrinth::Manifest& m, const QString& filepath)
+{
+	auto doc = Json::requireDocument(filepath);
+	auto obj = Json::requireObject(doc);
+
+	m.formatVersion = Json::requireInteger(obj, "formatVersion");
+	if (m.formatVersion != 1) {
+		throw JSONValidationError(
+			QString("Unsupported Modrinth modpack format version: %1")
+				.arg(m.formatVersion));
+	}
+
+	m.game = Json::requireString(obj, "game");
+	if (m.game != "minecraft") {
+		throw JSONValidationError(
+			QString("Unsupported game in Modrinth modpack: %1").arg(m.game));
+	}
+
+	m.versionId = Json::ensureString(obj, "versionId", "");
+	m.name = Json::ensureString(obj, "name", "Unnamed");
+	m.summary = Json::ensureString(obj, "summary", "");
+
+	auto files = Json::requireArray(obj, "files");
+	for (auto fileRaw : files) {
+		auto fileObj = Json::requireObject(fileRaw);
+		Modrinth::File file;
+		loadFile(file, fileObj);
+		m.files.append(file);
+	}
+
+	auto deps = Json::ensureObject(obj, "dependencies");
+	if (!deps.isEmpty()) {
+		loadDependencies(m, deps);
+	}
+}
diff --git a/meshmc/launcher/modplatform/modrinth/ModrinthPackManifest.h b/meshmc/launcher/modplatform/modrinth/ModrinthPackManifest.h
new file mode 100644
index 0000000000..a9caa16f14
--- /dev/null
+++ b/meshmc/launcher/modplatform/modrinth/ModrinthPackManifest.h
@@ -0,0 +1,62 @@
+/* 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 <QString>
+#include <QUrl>
+#include <QVector>
+
+namespace Modrinth
+{
+
+	struct File {
+		QString path;
+		QUrl downloadUrl;
+		QString sha1;
+		QString sha512;
+		int fileSize = 0;
+	};
+
+	struct Dependency {
+		QString versionId;
+		QString projectId;
+		QString fileName;
+	};
+
+	struct Manifest {
+		int formatVersion = 0;
+		QString game;
+		QString versionId;
+		QString name;
+		QString summary;
+		QVector<Modrinth::File> files;
+
+		QString minecraftVersion;
+		QString forgeVersion;
+		QString fabricVersion;
+		QString quiltVersion;
+		QString neoForgeVersion;
+	};
+
+	void loadManifest(Modrinth::Manifest& m, const QString& filepath);
+
+} // namespace Modrinth