1 files changed, 84 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;
+}