初始化仓库

2026-02-07 19:38:49 +08:00
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+//------------------------------------------------------------
+// Game Framework
+// Copyright © 2013-2021 Jiang Yin. All rights reserved.
+// Homepage: https://gameframework.cn/
+// Feedback: mailto:ellan@gameframework.cn
+//------------------------------------------------------------
+
+using GameFramework;
+using GameFramework.FileSystem;
+using System;
+using System.IO;
+using UnityEngine;
+
+namespace UnityGameFramework.Runtime
+{
+    /// <summary>
+    /// 安卓文件系统流。
+    /// </summary>
+    public sealed class AndroidFileSystemStream : FileSystemStream
+    {
+        private static readonly string SplitFlag = "!/assets/";
+        private static readonly int SplitFlagLength = SplitFlag.Length;
+        private static readonly AndroidJavaObject s_AssetManager = null;
+        private static readonly IntPtr s_InternalReadMethodId = IntPtr.Zero;
+        private static readonly jvalue[] s_InternalReadArgs = null;
+
+        private readonly AndroidJavaObject m_FileStream;
+        private readonly IntPtr m_FileStreamRawObject;
+
+        static AndroidFileSystemStream()
+        {
+            AndroidJavaClass unityPlayer = new AndroidJavaClass("com.unity3d.player.UnityPlayer");
+            if (unityPlayer == null)
+            {
+                throw new GameFrameworkException("Unity player is invalid.");
+            }
+
+            AndroidJavaObject currentActivity = unityPlayer.GetStatic<AndroidJavaObject>("currentActivity");
+            if (currentActivity == null)
+            {
+                throw new GameFrameworkException("Current activity is invalid.");
+            }
+
+            AndroidJavaObject assetManager = currentActivity.Call<AndroidJavaObject>("getAssets");
+            if (assetManager == null)
+            {
+                throw new GameFrameworkException("Asset manager is invalid.");
+            }
+
+            s_AssetManager = assetManager;
+
+            IntPtr inputStreamClassPtr = AndroidJNI.FindClass("java/io/InputStream");
+            s_InternalReadMethodId = AndroidJNIHelper.GetMethodID(inputStreamClassPtr, "read", "([BII)I");
+            s_InternalReadArgs = new jvalue[3];
+
+            AndroidJNI.DeleteLocalRef(inputStreamClassPtr);
+            currentActivity.Dispose();
+            unityPlayer.Dispose();
+        }
+
+        /// <summary>
+        /// 初始化安卓文件系统流的新实例。
+        /// </summary>
+        /// <param name="fullPath">要加载的文件系统的完整路径。</param>
+        /// <param name="access">要加载的文件系统的访问方式。</param>
+        /// <param name="createNew">是否创建新的文件系统流。</param>
+        public AndroidFileSystemStream(string fullPath, FileSystemAccess access, bool createNew)
+        {
+            if (string.IsNullOrEmpty(fullPath))
+            {
+                throw new GameFrameworkException("Full path is invalid.");
+            }
+
+            if (access != FileSystemAccess.Read)
+            {
+                throw new GameFrameworkException(Utility.Text.Format("'{0}' is not supported in AndroidFileSystemStream.", access));
+            }
+
+            if (createNew)
+            {
+                throw new GameFrameworkException("Create new is not supported in AndroidFileSystemStream.");
+            }
+
+            int position = fullPath.LastIndexOf(SplitFlag, StringComparison.Ordinal);
+            if (position < 0)
+            {
+                throw new GameFrameworkException("Can not find split flag in full path.");
+            }
+
+            string fileName = fullPath.Substring(position + SplitFlagLength);
+            m_FileStream = InternalOpen(fileName);
+            if (m_FileStream == null)
+            {
+                throw new GameFrameworkException(Utility.Text.Format("Open file '{0}' from Android asset manager failure.", fullPath));
+            }
+
+            m_FileStreamRawObject = m_FileStream.GetRawObject();
+        }
+
+        /// <summary>
+        /// 获取或设置文件系统流位置。
+        /// </summary>
+        protected override long Position
+        {
+            get
+            {
+                throw new GameFrameworkException("Get position is not supported in AndroidFileSystemStream.");
+            }
+            set
+            {
+                Seek(value, SeekOrigin.Begin);
+            }
+        }
+
+        /// <summary>
+        /// 获取文件系统流长度。
+        /// </summary>
+        protected override long Length
+        {
+            get
+            {
+                return InternalAvailable();
+            }
+        }
+
+        /// <summary>
+        /// 设置文件系统流长度。
+        /// </summary>
+        /// <param name="length">要设置的文件系统流的长度。</param>
+        protected override void SetLength(long length)
+        {
+            throw new GameFrameworkException("SetLength is not supported in AndroidFileSystemStream.");
+        }
+
+        /// <summary>
+        /// 定位文件系统流位置。
+        /// </summary>
+        /// <param name="offset">要定位的文件系统流位置的偏移。</param>
+        /// <param name="origin">要定位的文件系统流位置的方式。</param>
+        protected override void Seek(long offset, SeekOrigin origin)
+        {
+            if (origin == SeekOrigin.End)
+            {
+                Seek(Length + offset, SeekOrigin.Begin);
+                return;
+            }
+
+            if (origin == SeekOrigin.Begin)
+            {
+                InternalReset();
+            }
+
+            while (offset > 0)
+            {
+                long skip = InternalSkip(offset);
+                if (skip < 0)
+                {
+                    return;
+                }
+
+                offset -= skip;
+            }
+        }
+
+        /// <summary>
+        /// 从文件系统流中读取一个字节。
+        /// </summary>
+        /// <returns>读取的字节，若已经到达文件结尾，则返回 -1。</returns>
+        protected override int ReadByte()
+        {
+            return InternalRead();
+        }
+
+        /// <summary>
+        /// 从文件系统流中读取二进制流。
+        /// </summary>
+        /// <param name="buffer">存储读取文件内容的二进制流。</param>
+        /// <param name="startIndex">存储读取文件内容的二进制流的起始位置。</param>
+        /// <param name="length">存储读取文件内容的二进制流的长度。</param>
+        /// <returns>实际读取了多少字节。</returns>
+        protected override int Read(byte[] buffer, int startIndex, int length)
+        {
+            byte[] result = null;
+            int bytesRead = InternalRead(length, out result);
+            Array.Copy(result, 0, buffer, startIndex, bytesRead);
+            return bytesRead;
+        }
+
+        /// <summary>
+        /// 向文件系统流中写入一个字节。
+        /// </summary>
+        /// <param name="value">要写入的字节。</param>
+        protected override void WriteByte(byte value)
+        {
+            throw new GameFrameworkException("WriteByte is not supported in AndroidFileSystemStream.");
+        }
+
+        /// <summary>
+        /// 向文件系统流中写入二进制流。
+        /// </summary>
+        /// <param name="buffer">存储写入文件内容的二进制流。</param>
+        /// <param name="startIndex">存储写入文件内容的二进制流的起始位置。</param>
+        /// <param name="length">存储写入文件内容的二进制流的长度。</param>
+        protected override void Write(byte[] buffer, int startIndex, int length)
+        {
+            throw new GameFrameworkException("Write is not supported in AndroidFileSystemStream.");
+        }
+
+        /// <summary>
+        /// 将文件系统流立刻更新到存储介质中。
+        /// </summary>
+        protected override void Flush()
+        {
+            throw new GameFrameworkException("Flush is not supported in AndroidFileSystemStream.");
+        }
+
+        /// <summary>
+        /// 关闭文件系统流。
+        /// </summary>
+        protected override void Close()
+        {
+            InternalClose();
+            m_FileStream.Dispose();
+        }
+
+        private AndroidJavaObject InternalOpen(string fileName)
+        {
+            return s_AssetManager.Call<AndroidJavaObject>("open", fileName);
+        }
+
+        private int InternalAvailable()
+        {
+            return m_FileStream.Call<int>("available");
+        }
+
+        private void InternalClose()
+        {
+            m_FileStream.Call("close");
+        }
+
+        private int InternalRead()
+        {
+            return m_FileStream.Call<int>("read");
+        }
+
+        private int InternalRead(int length, out byte[] result)
+        {
+#if UNITY_2019_2_OR_NEWER
+#pragma warning disable CS0618
+#endif
+            IntPtr resultPtr = AndroidJNI.NewByteArray(length);
+#if UNITY_2019_2_OR_NEWER
+#pragma warning restore CS0618
+#endif
+            int offset = 0;
+            int bytesLeft = length;
+            while (bytesLeft > 0)
+            {
+                s_InternalReadArgs[0] = new jvalue() { l = resultPtr };
+                s_InternalReadArgs[1] = new jvalue() { i = offset };
+                s_InternalReadArgs[2] = new jvalue() { i = bytesLeft };
+                int bytesRead = AndroidJNI.CallIntMethod(m_FileStreamRawObject, s_InternalReadMethodId, s_InternalReadArgs);
+                if (bytesRead <= 0)
+                {
+                    break;
+                }
+
+                offset += bytesRead;
+                bytesLeft -= bytesRead;
+            }
+
+#if UNITY_2019_2_OR_NEWER
+#pragma warning disable CS0618
+#endif
+            result = AndroidJNI.FromByteArray(resultPtr);
+#if UNITY_2019_2_OR_NEWER
+#pragma warning restore CS0618
+#endif
+            AndroidJNI.DeleteLocalRef(resultPtr);
+            return offset;
+        }
+
+        private void InternalReset()
+        {
+            m_FileStream.Call("reset");
+        }
+
+        private long InternalSkip(long offset)
+        {
+            return m_FileStream.Call<long>("skip", offset);
+        }
+    }
+}
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+//------------------------------------------------------------
+// Game Framework
+// Copyright © 2013-2021 Jiang Yin. All rights reserved.
+// Homepage: https://gameframework.cn/
+// Feedback: mailto:ellan@gameframework.cn
+//------------------------------------------------------------
+
+using GameFramework.FileSystem;
+using System;
+
+namespace UnityGameFramework.Runtime
+{
+    /// <summary>
+    /// 默认文件系统辅助器。
+    /// </summary>
+    public class DefaultFileSystemHelper : FileSystemHelperBase
+    {
+        private const string AndroidFileSystemPrefixString = "jar:";
+
+        /// <summary>
+        /// 创建文件系统流。
+        /// </summary>
+        /// <param name="fullPath">要加载的文件系统的完整路径。</param>
+        /// <param name="access">要加载的文件系统的访问方式。</param>
+        /// <param name="createNew">是否创建新的文件系统流。</param>
+        /// <returns>创建的文件系统流。</returns>
+        public override FileSystemStream CreateFileSystemStream(string fullPath, FileSystemAccess access, bool createNew)
+        {
+            if (fullPath.StartsWith(AndroidFileSystemPrefixString, StringComparison.Ordinal))
+            {
+                return new AndroidFileSystemStream(fullPath, access, createNew);
+            }
+            else
+            {
+                return new CommonFileSystemStream(fullPath, access, createNew);
+            }
+        }
+    }
+}
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+//------------------------------------------------------------
+// Game Framework
+// Copyright © 2013-2021 Jiang Yin. All rights reserved.
+// Homepage: https://gameframework.cn/
+// Feedback: mailto:ellan@gameframework.cn
+//------------------------------------------------------------
+
+using GameFramework;
+using GameFramework.FileSystem;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace UnityGameFramework.Runtime
+{
+    /// <summary>
+    /// 文件系统件。
+    /// </summary>
+    [DisallowMultipleComponent]
+    [AddComponentMenu("Game Framework/File System")]
+    public sealed class FileSystemComponent : GameFrameworkComponent
+    {
+        private IFileSystemManager m_FileSystemManager = null;
+
+        [SerializeField]
+        private string m_FileSystemHelperTypeName = "UnityGameFramework.Runtime.DefaultFileSystemHelper";
+
+        [SerializeField]
+        private FileSystemHelperBase m_CustomFileSystemHelper = null;
+
+        /// <summary>
+        /// 获取文件系统数量。
+        /// </summary>
+        public int Count
+        {
+            get
+            {
+                return m_FileSystemManager.Count;
+            }
+        }
+
+        /// <summary>
+        /// 游戏框架组件初始化。
+        /// </summary>
+        protected override void Awake()
+        {
+            base.Awake();
+
+            m_FileSystemManager = GameFrameworkEntry.GetModule<IFileSystemManager>();
+            if (m_FileSystemManager == null)
+            {
+                Log.Fatal("File system manager is invalid.");
+                return;
+            }
+
+            FileSystemHelperBase fileSystemHelper = Helper.CreateHelper(m_FileSystemHelperTypeName, m_CustomFileSystemHelper);
+            if (fileSystemHelper == null)
+            {
+                Log.Error("Can not create fileSystem helper.");
+                return;
+            }
+
+            fileSystemHelper.name = "FileSystem Helper";
+            Transform transform = fileSystemHelper.transform;
+            transform.SetParent(this.transform);
+            transform.localScale = Vector3.one;
+
+            m_FileSystemManager.SetFileSystemHelper(fileSystemHelper);
+        }
+
+        private void Start()
+        {
+        }
+
+        /// <summary>
+        /// 检查是否存在文件系统。
+        /// </summary>
+        /// <param name="fullPath">要检查的文件系统的完整路径。</param>
+        /// <returns>是否存在文件系统。</returns>
+        public bool HasFileSystem(string fullPath)
+        {
+            return m_FileSystemManager.HasFileSystem(fullPath);
+        }
+
+        /// <summary>
+        /// 获取文件系统。
+        /// </summary>
+        /// <param name="fullPath">要获取的文件系统的完整路径。</param>
+        /// <returns>获取的文件系统。</returns>
+        public IFileSystem GetFileSystem(string fullPath)
+        {
+            return m_FileSystemManager.GetFileSystem(fullPath);
+        }
+
+        /// <summary>
+        /// 创建文件系统。
+        /// </summary>
+        /// <param name="fullPath">要创建的文件系统的完整路径。</param>
+        /// <param name="access">要创建的文件系统的访问方式。</param>
+        /// <param name="maxFileCount">要创建的文件系统的最大文件数量。</param>
+        /// <param name="maxBlockCount">要创建的文件系统的最大块数据数量。</param>
+        /// <returns>创建的文件系统。</returns>
+        public IFileSystem CreateFileSystem(string fullPath, FileSystemAccess access, int maxFileCount, int maxBlockCount)
+        {
+            return m_FileSystemManager.CreateFileSystem(fullPath, access, maxFileCount, maxBlockCount);
+        }
+
+        /// <summary>
+        /// 加载文件系统。
+        /// </summary>
+        /// <param name="fullPath">要加载的文件系统的完整路径。</param>
+        /// <param name="access">要加载的文件系统的访问方式。</param>
+        /// <returns>加载的文件系统。</returns>
+        public IFileSystem LoadFileSystem(string fullPath, FileSystemAccess access)
+        {
+            return m_FileSystemManager.LoadFileSystem(fullPath, access);
+        }
+
+        /// <summary>
+        /// 销毁文件系统。
+        /// </summary>
+        /// <param name="fileSystem">要销毁的文件系统。</param>
+        /// <param name="deletePhysicalFile">是否删除文件系统对应的物理文件。</param>
+        public void DestroyFileSystem(IFileSystem fileSystem, bool deletePhysicalFile)
+        {
+            m_FileSystemManager.DestroyFileSystem(fileSystem, deletePhysicalFile);
+        }
+
+        /// <summary>
+        /// 获取所有文件系统集合。
+        /// </summary>
+        /// <returns>获取的所有文件系统集合。</returns>
+        public IFileSystem[] GetAllFileSystems()
+        {
+            return m_FileSystemManager.GetAllFileSystems();
+        }
+
+        /// <summary>
+        /// 获取所有文件系统集合。
+        /// </summary>
+        /// <param name="results">获取的所有文件系统集合。</param>
+        public void GetAllFileSystems(List<IFileSystem> results)
+        {
+            m_FileSystemManager.GetAllFileSystems(results);
+        }
+    }
+}
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+//------------------------------------------------------------
+// Game Framework
+// Copyright © 2013-2021 Jiang Yin. All rights reserved.
+// Homepage: https://gameframework.cn/
+// Feedback: mailto:ellan@gameframework.cn
+//------------------------------------------------------------
+
+using GameFramework.FileSystem;
+using UnityEngine;
+
+namespace UnityGameFramework.Runtime
+{
+    /// <summary>
+    /// 文件系统辅助器基类。
+    /// </summary>
+    public abstract class FileSystemHelperBase : MonoBehaviour, IFileSystemHelper
+    {
+        /// <summary>
+        /// 创建文件系统流。
+        /// </summary>
+        /// <param name="fullPath">要加载的文件系统的完整路径。</param>
+        /// <param name="access">要加载的文件系统的访问方式。</param>
+        /// <param name="createNew">是否创建新的文件系统流。</param>
+        /// <returns>创建的文件系统流。</returns>
+        public abstract FileSystemStream CreateFileSystemStream(string fullPath, FileSystemAccess access, bool createNew);
+    }
+}
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