/// <summary>
/// リストからアセットをダウンロードします。
/// </summary>
/// <param name="index">ダウンロードするアセットのリスト</param>
/// <param name="assetsDirectory">アセットディレクトリの場所</param>
/// <param name="onProgressChanged">進捗状況が変化したときのイベントハンドラ</param>
public static void DownloadAssets(this AssetIndex index, string assetsDirectory,
MinecraftProgressEventHandler onProgressChanged = null)
{
var objects = index.Objects;
var keys = objects.Keys.ToArray();
for (var i = 0; i < objects.Count; i++)
{
var name = keys[i];
var obj = objects[name];
var hash = obj.Hash;
onProgressChanged?.Invoke(
new MinecraftProgressEventArgs(
objects.Count,
i + 1,
name
)
);
var hashHeader = hash.Substring(0, 2);
var path = hashHeader + "/" + hash;
var directoryBase = assetsDirectory + "/objects/";
var directory = directoryBase + hashHeader;
var file = directoryBase + path;
if (!Directory.Exists(directory))
{
Directory.CreateDirectory(directory);
}
if (File.Exists(file))
{
continue;
}
DownloadFile(AssetsUrlBase + path, file);
}
}
/// <summary>
/// ネイティブライブラリを展開して配置します。
/// </summary>
/// <param name="extracts">展開するネイティブライブラリの場所と展開ルールのディクショナリ</param>
/// <param name="directory">展開先ディレクトリの場所</param>
/// <param name="onProgressChanged">進捗状況が変化したときのイベントハンドラ</param>
public static void ExtractNatives(Dictionary <string, ExtractRule> extracts, string directory,
MinecraftProgressEventHandler onProgressChanged)
{
var keys = extracts.Keys.ToArray();
for (var i = 0; i < extracts.Count; i++)
{
var path = keys[i];
var excludes = extracts[path].Excludes;
onProgressChanged?.Invoke(
new MinecraftProgressEventArgs(
extracts.Count,
i + 1,
Path.GetFileName(path)
)
);
if (!Directory.Exists(directory))
{
Directory.CreateDirectory(directory);
}
using (var archive = ZipFile.OpenRead(path))
{
foreach (var entry in archive.Entries)
{
if (excludes.ContainsWhere(e => entry.FullName.StartsWith(e)))
{
continue;
}
entry.ExtractToFile($"{directory}/{entry.Name}", true);
}
}
}
}
/// <summary>
/// バージョンの詳細からライブラリをダウンロードします。
/// </summary>
/// <param name="detail">ライブラリをダウンロードするバージョンの詳細</param>
/// <param name="librariesDirectory">ライブラリディレクトリの場所</param>
/// <param name="onProgressChanged">進捗状況が変化したときのイベントハンドラ</param>
/// <returns>クラスパスなどを含むダウンロードの結果</returns>
public static LibrariesDownloadResult DownloadLibraries(this VersionDetail detail, string librariesDirectory,
MinecraftProgressEventHandler onProgressChanged = null)
{
var classpath = new List <string>();
var extracts = new Dictionary <string, ExtractRule>();
var libraries = detail.Libraries;
for (var i = 0; i < libraries.Length; i++)
{
var library = libraries[i];
onProgressChanged?.Invoke(
new MinecraftProgressEventArgs(
libraries.Length,
i + 1,
library.Name
)
);
var location = library.Downloads.Artifact;
if (location != null)
{
classpath.Add(location.DownloadLibrary(librariesDirectory));
}
var rules = library.NativeRules;
if (rules != null)
{
if (rules.ContainsWhere(r => r.Action == NativeRuleAction.Disallow) &&
rules.Where(r => r.Action == NativeRuleAction.Disallow)
.ContainsWhere(r => r.OS.Type == NativeOSType.Windows))
{
continue;
}
if (!rules.ContainsWhere(r => r.Action == NativeRuleAction.Disallow) &&
!rules.Where(r => r.Action == NativeRuleAction.Allow)
.ContainsWhere(r => r.OS.Type == NativeOSType.Windows))
{
continue;
}
}
if (library.Natives == null ||
!library.Natives.ContainsKey(NativeOSType.Windows))
{
continue;
}
var arch = Environment.Is64BitOperatingSystem ? "64" : "32";
var nativeName = library.Natives[NativeOSType.Windows].Replace("${arch}", arch);
var classifier = library.Downloads.Classifiers[nativeName];
extracts.Add(classifier.DownloadLibrary(librariesDirectory), library.ExtractRule);
}
return(new LibrariesDownloadResult
{
Classpath = classpath,
Extracts = extracts
});
}