Second commit

Assets/Tremble/Import/Q3Map2VersionInfo.cs

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+//
+// This file is part of the Tremble package by Tiny Goose.
+// Copyright (c) 2024-2026 TinyGoose Ltd., All Rights Reserved.
+//
+
+using System;
+
+namespace TinyGoose.Tremble
+{
+	public struct Q3Map2VersionInfo
+	{
+		public int Major;
+		public int Minor;
+		public int Patch;
+		public char Letter;
+		public string GitHash;
+
+		public override string ToString() => $"v{Major}.{Minor}.{Patch}{Letter}-git-{GitHash}";
+
+		private static Q3Map2VersionInfo Empty => new() { Major = 0, Minor = 0, Patch = 0, Letter = 'x', GitHash = "deadbeef" };
+
+		public static Q3Map2VersionInfo Parse(string version)
+		{
+			if (String.IsNullOrEmpty(version) || !version.ContainsInvariant("-") || !version.ContainsInvariant("."))
+				return Empty;
+
+			string[] rootVersionInfo = version.Split('-');
+			if (rootVersionInfo.Length != 3)
+				return Empty;
+
+			string[] versionParts = rootVersionInfo[0].Split('.');
+			if (versionParts.Length != 3)
+				return Empty;
+
+			Q3Map2VersionInfo info;
+			info.Major = int.Parse(versionParts[0].Substring(1));
+			info.Minor = int.Parse(versionParts[1]);
+			info.Patch = int.Parse(versionParts[2].Substring(0, versionParts[2].Length - 1));
+			info.Letter = versionParts[2][^1];
+			info.GitHash = rootVersionInfo[2];
+
+			return info;
+		}
+	}
+}