/// <summary>
/// StreamingAssets目录
/// </summary>
/// <param name="url"></param>
/// <param name="withFileProtocol">是否带有file://前缀</param>
/// <param name="newUrl"></param>
/// <returns></returns>
public static bool TryGetInAppStreamingUrl(string url, bool withFileProtocol, out string newUrl)
{
newUrl = Path.GetFullPath((withFileProtocol ? AppBasePathWithProtocol : AppBasePath) + url);
if (Application.isEditor)
{
// Editor进行文件检查
if (!File.Exists(Path.GetFullPath(AppBasePath + url)))
{
return(false);
}
}
else if (Application.platform == RuntimePlatform.Android) // 注意，StreamingAssetsPath在Android平台時，壓縮在apk里面，不要使用File做文件檢查
{
return(KEngineAndroidPlugin.IsAssetExists(url));
}
// Windows/Editor平台下，进行大小敏感判断
if (Application.isEditor)
{
var result = FileExistsWithDifferentCase(AppBasePath + url);
if (!result)
{
Log.Error("[大小写敏感]发现一个资源 {0}，大小写出现问题，在Windows可以读取，手机不行，请改表修改！", url);
}
}
return(true);
}
/// <summary>
/// (not android ) only! Android资源不在目录！
/// Editor返回文件系统目录，运行时返回StreamingAssets目录
/// </summary>
/// <param name="url"></param>
/// <param name="withFileProtocol">是否带有file://前缀</param>
/// <param name="newUrl"></param>
/// <returns></returns>
public static bool TryGetInAppStreamingUrl(string url, bool withFileProtocol, out string newUrl)
{
if (withFileProtocol)
newUrl = ProductPathWithProtocol + url;
else
newUrl = ProductPathWithoutFileProtocol + url;
// 注意，StreamingAssetsPath在Android平台時，壓縮在apk里面，不要做文件檢查了
if (!Application.isEditor && Application.platform == RuntimePlatform.Android)
{
if (!KEngineAndroidPlugin.IsAssetExists(url))
return false;
}
else
{
// Editor, 非android运行，直接进行文件检查
if (!File.Exists(ProductPathWithoutFileProtocol + url))
{
return false;
}
}
// Windows/Edtiro平台下，进行大小敏感判断
if (Application.isEditor)
{
var result = FileExistsWithDifferentCase(ProductPathWithoutFileProtocol + url);
if (!result)
{
Log.Error("[大小写敏感]发现一个资源 {0}，大小写出现问题，在Windows可以读取，手机不行，请改表修改！", url);
}
}
return true;
}
/// <summary>
/// check file exists of streamingAssets. On Android will use plugin to do that.
/// </summary>
/// <param name="path">relative path, when file is "file:///android_asset/test.txt", the pat is "test.txt"</param>
/// <returns></returns>
public static bool IsStreamingAssetsExists(string path)
{
if (Application.platform == RuntimePlatform.Android)
return KEngineAndroidPlugin.IsAssetExists(path);
var fullPath = Path.Combine(Application.streamingAssetsPath, path);
return File.Exists(fullPath);
}
/// <summary>
/// Load file from streamingAssets. On Android will use plugin to do that.
/// </summary>
/// <param name="path">relative path, when file is "file:///android_asset/test.txt", the pat is "test.txt"</param>
/// <returns></returns>
public static byte[] LoadSyncFromStreamingAssets(string path)
{
if (!IsStreamingAssetsExists(path))
throw new Exception("Not exist StreamingAssets path: " + path);
if (Application.platform == RuntimePlatform.Android)
return KEngineAndroidPlugin.GetAssetBytes(path);
var fullPath = Path.Combine(Application.streamingAssetsPath, path);
return ReadAllBytes(fullPath);
}
/// <summary>
/// Load file. On Android will use plugin to do that.
/// </summary>
/// <param name="path">relative path, when file is "file:///android_asset/test.txt", the pat is "test.txt"</param>
/// <returns></returns>
public static byte[] LoadAssetsSync(string path)
{
string fullPath = GetResourceFullPath(path, false);
if (string.IsNullOrEmpty(fullPath))
{
return(null);
}
if (Application.platform == RuntimePlatform.Android)
{
return(KEngineAndroidPlugin.GetAssetBytes(fullPath));
}
return(ReadAllBytes(fullPath));
}
