Second commit

Assets/Tremble/Import/Q3Map2Dll.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;
+using System.Collections.Generic;
+using System.IO;
+using System.Runtime.InteropServices;
+using System.Threading;
+using UnityEngine;
+
+#if UNITY_EDITOR
+using UnityEditor;
+#endif
+
+namespace TinyGoose.Tremble
+{
+	// -----------------------------------------------------------------------------------------------------------------------------
+	//		Actual DLL call
+	// -----------------------------------------------------------------------------------------------------------------------------
+	public enum Q3Map2Result
+	{
+		Succeeded,
+		SucceededWithWarnings,
+		FailedWithMissingTextures,
+		Failed,
+	}
+	public static class Q3Map2Dll
+	{
+		private static bool s_IsLoaded = false;
+		public static bool IsLoaded => s_IsLoaded;
+
+		// Callback function signature
+		[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
+		public delegate void MessageHandlerFunc(string output);
+
+		// Change lib name based on platform
+#if UNITY_EDITOR_WIN || UNITY_STANDALONE_WIN || UNITY_EDITOR_LINUX || UNITY_STANDALONE_LINUX || UNITY_EDITOR_OSX || UNITY_STANDALONE_OSX
+		private const string Q3MAP2_LIB_NAME = "q3map2";
+#else
+//TODO(jwf): ATV: No q3map2 - solution: use "__Internal" as the name and build as static lib
+		#warning Unknown platform - libq3map must be built as a static lib!
+		private const string Q3MAP2_LIB_NAME = "__Internal";
+#endif
+
+#if UNITY_WEBGL || UNITY_TVOS
+		// Stub for WebGL, tvOS
+		public static int DLL_ConvertMap(
+			string mapFile,
+			string fsPath,
+			MessageHandlerFunc functionCallback,
+			string[] inArgs,
+			int inArgCount)
+		{
+			return -1;
+		}
+#else
+		// DLL entry point for conversion
+		[DllImport(Q3MAP2_LIB_NAME, EntryPoint = "convert_map_unity", CallingConvention = CallingConvention.Cdecl)]
+		private static extern int DLL_ConvertMap(
+			[MarshalAs(UnmanagedType.LPStr)]																					string mapFile,
+			[MarshalAs(UnmanagedType.LPStr)]																					string fsPath,
+			[MarshalAs(UnmanagedType.FunctionPtr)]																			MessageHandlerFunc functionCallback,
+			[MarshalAs(UnmanagedType.LPArray, ArraySubType = UnmanagedType.LPStr, SizeParamIndex = 4)]	string[] inArgs,
+			[MarshalAs(UnmanagedType.SysInt)]																				int inArgCount);
+#endif
+
+		public static int ConvertMap(string mapFile, MessageHandlerFunc functionCallback, string[] inArgs)
+			=> ConvertMap(mapFile, "Library", functionCallback, inArgs);
+
+		public static int ConvertMap(string mapFile, string fsPath, MessageHandlerFunc functionCallback, string[] inArgs)
+		{
+			try
+			{
+				s_IsLoaded = true;
+				
+				// Use another thread to do the actual compilation,
+				// so that we can control the stack size.
+				const int STACK_SIZE_MB = 8;
+				
+				int exitCode = 0;
+				void CompileOnOtherThread() 
+					=> exitCode = DLL_ConvertMap(mapFile, fsPath, functionCallback, inArgs, inArgs.Length);
+
+				Thread compilerThread = new(
+					start: CompileOnOtherThread, 
+					maxStackSize: STACK_SIZE_MB * 1024 * 1024
+				);
+				compilerThread.Start();
+				compilerThread.Join();
+				
+				return exitCode;
+			}
+			catch (DllNotFoundException)
+			{
+				s_IsLoaded = false;
+				return -0xdead;
+			}
+		}
+
+		// -----------------------------------------------------------------------------------------------------------------------------
+		//		Plugins Folder
+		// -----------------------------------------------------------------------------------------------------------------------------
+#if UNITY_EDITOR
+		private static string PluginsFolder => Path.Combine(TrembleConsts.EDITOR_GetTrembleInstallFolder(), "Plugins");
+		public static bool EDITOR_PluginsFolderExists() => Directory.Exists(PluginsFolder);
+
+		public static void EDITOR_DeletePluginsFolder()
+		{
+			if (!EDITOR_PluginsFolderExists())
+				return;
+
+			EDITOR_IsPluginsFolderFlaggedForDeletion = false;
+
+			try
+			{
+				Directory.Delete(PluginsFolder, true);
+
+				string metaFile = PluginsFolder + ".meta";
+				if (File.Exists(metaFile))
+				{
+					File.Delete(PluginsFolder + ".meta");
+				}
+			}
+			catch (UnauthorizedAccessException)
+			{
+				EDITOR_IsPluginsFolderFlaggedForDeletion = true;
+
+				EditorUtility.DisplayDialog(
+					title: "Q3Map2 Upgrade",
+					message: $"Unfortunately, the auto-upgrader has encountered an error. Please quit Unity, and manually delete {PluginsFolder} in your file explorer. Sorry!",
+					ok: "Got it, no worries!"
+				);
+			}
+		}
+
+		public static bool EDITOR_IsPluginsFolderFlaggedForDeletion
+		{
+			get => EditorPrefs.GetBool($"Tremble_{Application.productName}_DeletePluginsNow", false);
+			set => EditorPrefs.SetBool($"Tremble_{Application.productName}_DeletePluginsNow", value);
+		}
+#endif
+
+		// -----------------------------------------------------------------------------------------------------------------------------
+		//		Version Info
+		// -----------------------------------------------------------------------------------------------------------------------------
+		public static Q3Map2VersionInfo GetTinyGooseVersionInfo()
+		{
+			const string LIB_Q3_MAP2 = "libQ3Map2 (Tiny Goose)";
+
+			Dictionary<string, string> info = GetVersionInfo();
+			return Q3Map2VersionInfo.Parse(info.GetValueOrDefault(LIB_Q3_MAP2, null)); // e.g. v2.5.1n-git-f278fa
+		}
+
+		public static Dictionary<string, string> GetVersionInfo()
+		{
+			string[] args = { "-v" };
+			List<string> outputLines = new();
+
+			ConvertMap("", line => outputLines.Add(line), args);
+
+			Dictionary<string, string> info = new();
+			foreach (string line in outputLines)
+			{
+				if (!TrySplitLineIntoKeyValue(line, out string key, out string value))
+					continue;
+
+				info[key] = value;
+			}
+
+			return info;
+		}
+
+		private static bool TrySplitLineIntoKeyValue(string line, out string key, out string value)
+		{
+			Span<char> separators = stackalloc char[2];
+			separators[0] = '-';
+			separators[1] = ':';
+
+			foreach (char separator in separators)
+			{
+				int sepIdx = line.IndexOf(separator);
+				if (sepIdx == -1)
+					continue;
+
+				key = line.Substring(0, sepIdx).Trim();
+				value = line.Substring(sepIdx + 1).Trim();
+				return true;
+			}
+
+			key = value = null;
+			return false;
+		}
+	}
+}