using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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using System.IO;
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public class AssetVersion
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{
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string m_RelativePath = string.Empty;
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public string relativePath { get { return m_RelativePath; } }
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string m_FileName;
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public string fileName { get { return m_FileName; } }
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string m_Extersion = string.Empty;
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public string extersion { get { return m_Extersion; } }
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string m_Md5 = string.Empty;
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public string md5 { get { return m_Md5; } }
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int m_Size = 0;
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public int size { get { return m_Size; } } //字节
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StorageLocation m_FileLocation = StorageLocation.ExternalStore;
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public StorageLocation fileLocation { get { return m_FileLocation; } }
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bool m_LocalValid = false;
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public bool localValid
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{
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get { return m_LocalValid; }
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set { m_LocalValid = value; }
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}
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public AssetVersion(string _versionString)
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{
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var strings = _versionString.Split('\t');
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m_RelativePath = strings[0];
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m_Extersion = strings[1];
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int.TryParse(strings[2], out m_Size);
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m_Md5 = strings[3];
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var paths = m_RelativePath.Split('/');
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var lastPath = paths[paths.Length - 1];
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var index = lastPath.LastIndexOf('.');
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if (index != -1)
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{
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m_FileName = lastPath.Substring(0, index);
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}
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else
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{
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m_FileName = lastPath;
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}
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}
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public AssetCategory GetAssetCategory()
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{
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if (extersion == ".dll")
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return AssetCategory.Dll;
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else if (m_RelativePath.StartsWith("ui/"))
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return AssetCategory.UI;
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else if (m_RelativePath.StartsWith("audio/"))
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return AssetCategory.Audio;
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else if (m_RelativePath.StartsWith("gmodels/"))
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return AssetCategory.Mob;
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else if (m_RelativePath.StartsWith("maps/"))
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return AssetCategory.Scene;
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else if (m_RelativePath.StartsWith("effect/"))
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return AssetCategory.Effect;
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else if (m_RelativePath.StartsWith("config/"))
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return AssetCategory.Config;
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else if (m_RelativePath.StartsWith("graphic/"))
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return AssetCategory.Shader;
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else if (m_RelativePath.StartsWith("video/"))
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return AssetCategory.Video;
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else
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return AssetCategory.Other;
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}
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public bool CheckLocalFileValid(bool _completeFile)
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{
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if (_completeFile)
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{
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var path = StringUtility.Contact(ResourcesPath.Instance.ExternalStorePath, m_RelativePath);
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var fileInfo = new FileInfo(path);
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if (!fileInfo.Exists)
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{
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Debug.LogFormat("文件不存在 {0}", path);
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return false;
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}
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if (fileInfo.Length != size)
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{
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Debug.LogFormat("{0}文件大小不对{1}-{2}", path, size, fileInfo.Length);
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return false;
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}
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var fileMD5 = FileExtersion.GetMD5HashFromFile(path);
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if (fileMD5 != md5)
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{
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Debug.LogFormat("{0}文件md5不对{1}-{2}", path, md5, fileMD5);
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return false;
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}
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return true;
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}
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else
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{
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if (extersion == ".manifest" || extersion == ".bytes" || extersion == ".txt" || extersion == ".dll")
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{
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var path = StringUtility.Contact(ResourcesPath.Instance.ExternalStorePath, m_RelativePath);
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var fileInfo = new FileInfo(path);
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if (!fileInfo.Exists || fileInfo.Length != size || md5 != FileExtersion.GetMD5HashFromFile(path))
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{
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return false;
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}
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}
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else if (string.IsNullOrEmpty(extersion) || extersion.Length == 0)
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{
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var path = StringUtility.Contact(ResourcesPath.Instance.ExternalStorePath, m_RelativePath);
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var fileInfo = new FileInfo(path);
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var manifestAssetVersion = AssetVersionUtility.GetAssetVersion(StringUtility.Contact(m_RelativePath, ".manifest"));
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if (!fileInfo.Exists || fileInfo.Length != size || manifestAssetVersion == null || !manifestAssetVersion.CheckLocalFileValid(false))
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{
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return false;
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}
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}
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else
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{
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var path = StringUtility.Contact(ResourcesPath.Instance.ExternalStorePath, m_RelativePath);
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var fileInfo = new FileInfo(path);
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if (!fileInfo.Exists || fileInfo.Length != size)
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{
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return false;
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}
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}
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}
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return true;
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}
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// 检查外部存储文件是否存在
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// 不存在则读取随包文件进行比较
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// 存在则比较
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public bool CheckLocalFileValid(AssetVersion otherAssetInfo)
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{
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string path = string.Concat(ResourcesPath.Instance.ExternalStorePath, m_RelativePath);
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if (!File.Exists(path) && !m_RelativePath.Contains(".txt"))
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{
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//Debug.LogFormat("转查StreamingAssetPath - 文件不存在 {0} ", path);
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if (otherAssetInfo == null || string.IsNullOrEmpty(otherAssetInfo.relativePath))
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return false;
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if (otherAssetInfo.size != size)
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{
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Debug.LogFormat("StreamingAssetPath 文件大小不对{0}-{1}", size, otherAssetInfo.size);
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return false;
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}
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if (otherAssetInfo.md5 != md5)
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{
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Debug.LogFormat("StreamingAssetPath 文件md5不对{0}-{1}", md5, otherAssetInfo.md5);
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return false;
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}
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return true;
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}
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return CheckLocalFileValid(false);
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}
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public bool IsPriorAsset()
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{
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if (VersionConfig.Get().partAssetPackage)
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{
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//如果这台机器曾经完整的下载过所有资源，那么就不再使用分包下载策略，在资源热更新的时候这种情况会触发。
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if (AssetVersionUtility.hasDownLoadFullAsset)
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{
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return true;
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}
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else
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{
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var category = GetAssetCategory();
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// var prior = PriorBundleConfig.GetAssetPrior(category, AssetVersionUtility.DecodeFileName(m_FileName));
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// return prior <= 1;
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return false;
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}
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}
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else
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{
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return true;
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}
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}
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public enum StorageLocation
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{
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StreamingAsset,
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ExternalStore
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}
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public enum AssetCategory
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{
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UI,
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Audio,
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Mob,
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Scene,
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Effect,
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Config,
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Shader,
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Dll,
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Video,
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Other,
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Patch,//补丁
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Logic,//热更逻辑代码
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}
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}
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