From ee96f089856e01bdfefd3aa185660650bf3a533e Mon Sep 17 00:00:00 2001
From: zhengxiaofeng <1641519158@qq.com>
Date: Wed, 18 Aug 2021 22:37:24 +0800
Subject: [PATCH] =?UTF-8?q?=E3=80=90lua=E6=A1=86=E6=9E=B6=E3=80=91?=
 =?UTF-8?q?=E6=8F=90=E4=BA=A4=E5=B0=86=E5=A4=9A=E4=B8=AAlua=E8=84=9A?=
 =?UTF-8?q?=E6=9C=AC=E6=89=93=E5=8C=85=E6=88=90=E4=B8=80=E4=B8=AA=E6=96=87?=
 =?UTF-8?q?=E4=BB=B6?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 Assets/Script/Xlua/PakFile.cs      | 111 +++++++++++++++++++++++++++++
 Assets/Script/Xlua/PakFile.cs.meta |  11 +++
 2 files changed, 122 insertions(+)
 create mode 100644 Assets/Script/Xlua/PakFile.cs
 create mode 100644 Assets/Script/Xlua/PakFile.cs.meta

diff --git a/Assets/Script/Xlua/PakFile.cs b/Assets/Script/Xlua/PakFile.cs
new file mode 100644
index 0000000..b4e1e88
--- /dev/null
+++ b/Assets/Script/Xlua/PakFile.cs
@@ -0,0 +1,111 @@
+using System.Collections.Generic;
+using System.Security.Cryptography;
+using System.IO;
+using ZFramework.Core;
+
+
+namespace ZFramework.XLua
+{
+    /// <summary>
+    /// 用于将多个文件合并成一个大文件，在本框架内主要的作用是见将多个lua文件合并成一个大的文件
+    /// </summary>
+    public class PakFile:System.IDisposable
+    {
+        public enum Mode
+        {
+            Read,
+            Write
+        }
+
+        private struct PakEntry
+        {
+            public string name;
+            public uint offset;
+            public uint size;
+        }
+
+        private string _pakFilePath;
+        private Mode _mode;
+        private uint _version;
+        private byte[] _md5;
+        private Dictionary<string, PakEntry> _entriesMap;
+        private List<PakEntry> _entriesList;
+        private uint _dataOffset;
+        private byte[] _data;
+
+        public uint Version
+        {
+            get
+            {
+                return _version;
+            }
+        }
+
+        private PakFile(string path, Mode mode)
+        {
+            _pakFilePath = path;
+            _mode = mode;
+        }
+
+        /// <summary>
+        /// 向大文件内增加小文件
+        /// </summary>
+        /// <param name="path"></param>
+        /// <param name="relativeRootPath"></param>
+        /// <param name="pathSepInName"></param>
+        public void AppendFile(string path,string relativeRootPath = null, char pathSepInName ='.')
+        {
+            if (!string.IsNullOrEmpty(path))
+            {
+                path = path.Replace('\\', '/');
+                using (FileStream fileStream = new FileStream(path, FileMode.Open))
+                {
+                    PakEntry info;
+                    if (string.IsNullOrEmpty(relativeRootPath))
+                    {
+                        int si = path.LastIndexOf('/');
+                        int ei = path.LastIndexOf('.');
+                        info.name = path.Substring(si + 1, ei - si - 1);
+                    }
+                    else
+                    {
+                        int si = path.LastIndexOf(relativeRootPath) + relativeRootPath.Length;
+                        int ei = path.LastIndexOf('.');
+                        info.name = path.Substring(si + 1, ei - si - 1);
+                        info.name = info.name.Replace('/', pathSepInName);
+                    }
+
+                    info.offset = 0;
+                    info.size = (uint) fileStream.Length;
+                    byte[] data = new byte[info.size];
+                    fileStream.Read(data, 0, (int) info.size);
+                    if (_data == null)
+                    {
+                        _data = data;
+                    }
+                    else
+                    {
+                        int srcOffset = _data.Length;
+                        System.Array.Resize(ref _data, _data.Length + data.Length);
+                        System.Buffer.BlockCopy(data, 0, _data, srcOffset, data.Length);
+                    }
+                    
+                    if (_entriesList == null)
+                        _entriesList = new List<PakEntry>();
+                    _entriesList.Add(info);
+                }
+            }   
+        }
+        
+
+        ~PakFile()
+        {
+            Dispose();
+        }
+        
+        public void Dispose()
+        {
+            
+        }
+    }
+}
\ No newline at end of file
diff --git a/Assets/Script/Xlua/PakFile.cs.meta b/Assets/Script/Xlua/PakFile.cs.meta
new file mode 100644
index 0000000..0e595fe
--- /dev/null
+++ b/Assets/Script/Xlua/PakFile.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 8b196c97fe7ca7247bf4a136cf59e76b
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
-- 
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