port from perforce

2026-04-18 22:31:51 +02:00
commit 8d0ab5b7cc
8409 changed files with 3972376 additions and 0 deletions
--- a/aiwaz/Aiwaz.Common/FileSystem.cs
+++ b/aiwaz/Aiwaz.Common/FileSystem.cs
@@ -0,0 +1,120 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using Ionic.Zip;
+using System.IO;
+using System.Reflection;
+using System.Diagnostics;
+using System.Threading;
+
+namespace Aiwaz.Common
+{
+    public class FileSystem : IDisposable
+    {
+        private Dictionary<string, Action<Stream>> attachedFiles = new Dictionary<string, Action<Stream>>();
+        private ZipFile zipFile;
+        private FileSystemWatcher watcher;
+        private string directory;
+        public FileSystem()
+        {
+            directory = Path.GetDirectoryName(Process.GetCurrentProcess().MainModule.FileName);
+            this.watcher = new FileSystemWatcher(directory);
+            this.watcher.NotifyFilter = NotifyFilters.LastWrite;
+            this.watcher.IncludeSubdirectories = true;
+            this.watcher.Changed += watcher_Changed;
+            this.watcher.EnableRaisingEvents = true;
+            if (File.Exists(Path.Combine(directory, "data.pak")))
+            {
+                zipFile = ZipFile.Read(Path.Combine(directory, "data.pak"));
+            }
+        }
+
+        void watcher_Changed(object sender, FileSystemEventArgs e)
+        {
+            foreach (var entry in attachedFiles)
+            {
+                if (e.FullPath == entry.Key)
+                {
+                    while (true)
+                    {
+                        try
+                        {
+                            var stream = new FileStream(e.FullPath, FileMode.Open);
+                            entry.Value(stream);
+                            break;
+                        }
+                        catch (IOException)
+                        {
+                            Thread.Sleep(100);
+                        }
+                    }
+                }
+            }
+        }
+
+        ~FileSystem()
+        {
+            this.Dispose();
+        }
+
+        public void Attach(string argFileName, Action<Stream> onLoaded)
+        {
+            if (File.Exists(Path.Combine(directory, argFileName)))
+            {
+                Stream fileStream = new FileStream(Path.Combine(directory, argFileName), FileMode.Open);
+                if (fileStream != null && onLoaded != null)
+                {
+                    var fullPath = Path.Combine(directory, argFileName).Replace('/', '\\');
+                    attachedFiles[fullPath] = onLoaded;
+                    onLoaded(fileStream);
+                }
+            }
+            else if (zipFile != null)
+            {
+                var file = zipFile[argFileName];
+                if (file != null)
+                {
+                    Stream outputStream = new MemoryStream();
+                    file.Extract(outputStream);
+                    if (onLoaded != null)
+                        onLoaded(outputStream);
+                }
+            }
+            else
+            {
+                throw new FileNotFoundException(argFileName);
+            }
+        }
+
+        #region IDisposable Members
+
+        public void Dispose()
+        {
+            if (zipFile != null)
+            {
+                zipFile.Dispose();
+            }
+        }
+
+        #endregion
+    }
+
+    public static class BinaryReaderExtensions
+    {
+        public static string ReadNullTerminatedString(this BinaryReader reader)
+        {
+            string result = string.Empty;
+            char readChar = '\0';
+            do
+            {
+                readChar = reader.ReadChar();
+                if (readChar != '\0')
+                    result += readChar;
+            }
+            while (readChar != '\0');
+            return result;
+        }
+    }   
+
+}