ci: Update Cryville.Audio (Amend)

Assets/Cryville/Common/AsyncDelivery.cs

@@ -20,13 +20,13 @@ namespace Cryville.Common {
 		/// <param name="succeeded">Whether the task has succeeded.</param>
 		/// <param name="result">The result.</param>
 		public void Deliver(bool succeeded, T result) {
-			if (Destination != null) Destination(succeeded, result);
+			Destination?.Invoke(succeeded, result);
 		}
 		/// <summary>
 		/// Cancels the task.
 		/// </summary>
 		public void Cancel() {
-			if (CancelSource != null) CancelSource();
+			CancelSource?.Invoke();
 		}
 	}
 }

Assets/Cryville/Common/BinderAttribute.cs

@@ -35,8 +35,8 @@ namespace Cryville.Common {
 				return null;
 			else if (type.IsAssignableFrom(value.GetType()))
 				return value;
-			else if (type.IsEnum && value is string) {
-				return Enum.Parse(type, (string)value);
+			else if (type.IsEnum && value is string strValue) {
+				return Enum.Parse(type, strValue);
 			}
 			throw new InvalidCastException(string.Format("Cannot cast {0} to {1}", value.GetType(), type));
 		}

Assets/Cryville/Common/Coroutine.cs

@@ -4,7 +4,7 @@ using System.Diagnostics;
 namespace Cryville.Common {
 	public class Coroutine {
 		readonly IEnumerator<float> _enumerator;
-		readonly Stopwatch _stopwatch = new Stopwatch();
+		readonly Stopwatch _stopwatch = new();
 		public float Progress { get; private set; }
 		public Coroutine(IEnumerator<float> enumerator) {
 			_enumerator = enumerator;

Assets/Cryville/Common/Font/FontFile.cs

@@ -16,13 +16,11 @@ namespace Cryville.Common.Font {
 		}
 		public void Close() { Reader.Close(); }
 
-		public static FontFile Create(FileInfo file) {
-			switch (file.Extension) {
-				case ".ttf": case ".otf": return new FontFileTTF(file);
-				case ".ttc": case ".otc": return new FontFileTTC(file);
-				default: return null;
-			}
-		}
+		public static FontFile Create(FileInfo file) => file.Extension switch {
+			".ttf" or ".otf" => new FontFileTTF(file),
+			".ttc" or ".otc" => new FontFileTTC(file),
+			_ => null,
+		};
 
 		public Enumerator GetEnumerator() {
 			return new Enumerator(this);
@@ -42,7 +40,7 @@ namespace Cryville.Common.Font {
 				_index = -1;
 			}
 
-			public Typeface Current {
+			public readonly Typeface Current {
 				get {
 					if (_index < 0)
 						throw new InvalidOperationException(_index == -1 ? "Enum not started" : "Enum ended");
@@ -50,7 +48,7 @@ namespace Cryville.Common.Font {
 				}
 			}
 
-			object IEnumerator.Current { get { return Current; } }
+			readonly object IEnumerator.Current => Current;
 
 			public void Dispose() {
 				_index = -2;

Assets/Cryville/Common/Font/FontManager.cs

@@ -17,8 +17,7 @@ namespace Cryville.Common.Font {
 					Shared.Logger.Log(3, "UI", "Discarding a font with a duplicate full name {0}", f.FullName);
 					continue;
 				}
-				List<Typeface> set2;
-				if (!map2.TryGetValue(f.FamilyName, out set2)) {
+				if (!map2.TryGetValue(f.FamilyName, out List<Typeface> set2)) {
 					map2.Add(f.FamilyName, set2 = new List<Typeface>());
 				}
 				set2.Add(f);

Assets/Cryville/Common/Font/FontMatcher.cs

@@ -12,7 +12,7 @@ namespace Cryville.Common.Font {
 	public class FallbackListFontMatcher : FontMatcher {
 		readonly LanguageMatching _matcher;
 		static readonly string UltimateFallbackScript = "zzzz";
-		public Dictionary<string, List<string>> MapScriptToTypefaces = new Dictionary<string, List<string>>();
+		public Dictionary<string, List<string>> MapScriptToTypefaces = new();
 		public static Dictionary<string, List<string>> GetDefaultWindowsFallbackMap() {
 			var map = new Dictionary<string, List<string>>(StringComparer.OrdinalIgnoreCase);
 			FillKeysWithScripts(map, () => new List<string>());
@@ -57,6 +57,7 @@ namespace Cryville.Common.Font {
 				map["cher"].Insert(0, "Plantagenet");
 				map["ethi"].Insert(0, "Nyala");
 				map["khmr"].Insert(0, "DaunPenh MoolBoran");
+				map["kore"].Insert(0, "Malgun Gothic"); // Reference: https://en.wikipedia.org/wiki/List_of_typefaces_included_with_Microsoft_Windows
 				map["laoo"].Insert(0, "DokChampa");
 				map["mong"].Insert(0, "Mongolian Baiti");
 				map["orya"].Insert(0, "Kalinga");
@@ -332,8 +333,7 @@ namespace Cryville.Common.Font {
 					yield return typeface1;
 				}
 				if (distinctFamily) continue;
-				IReadOnlyCollection<Typeface> typefaces2;
-				if (Manager.MapNameToTypefaces.TryGetValue(candidate, out typefaces2)) {
+				if (Manager.MapNameToTypefaces.TryGetValue(candidate, out IReadOnlyCollection<Typeface> typefaces2)) {
 					foreach (var typeface in typefaces2) {
 						if (typeface1 == typeface) continue;
 						yield return typeface;

Assets/Cryville/Common/Font/FontTable.cs

@@ -25,7 +25,7 @@ namespace Cryville.Common.Font {
 		readonly UInt16 majorVersion;
 		readonly UInt16 minorVersion;
 		readonly UInt32 numFonts;
-		readonly List<UInt32> tableDirectoryOffsets = new List<UInt32>();
+		readonly List<UInt32> tableDirectoryOffsets = new();
 #pragma warning disable IDE0052 // Reserved
 		readonly String dsigTag;
 		readonly UInt32 dsigLength;
@@ -61,7 +61,7 @@ namespace Cryville.Common.Font {
 		readonly UInt16 entrySelector;
 		readonly UInt16 rangeShift;
 #pragma warning restore IDE0052 // Reserved
-		readonly List<TableRecord> tableRecords = new List<TableRecord>();
+		readonly List<TableRecord> tableRecords = new();
 		public TableDirectory(BinaryReader reader, UInt32 offset) : base(reader, offset) {
 			sfntVersion = reader.ReadUInt32();
 			if (sfntVersion != 0x00010000 && sfntVersion != 0x4F54544F &&
@@ -81,13 +81,11 @@ namespace Cryville.Common.Font {
 		public override IReadOnlyList<TableRecord> GetItems() {
 			return tableRecords;
 		}
-		public override object GetSubTable(TableRecord item) {
-			switch (item.tableTag) {
-				case "name": return new NameTable(Reader, item.offset);
-				case "meta": return new MetaTable(Reader, item.offset);
-				default: throw new NotImplementedException();
-			}
-		}
+		public override object GetSubTable(TableRecord item) => item.tableTag switch {
+			"name" => new NameTable(Reader, item.offset),
+			"meta" => new MetaTable(Reader, item.offset),
+			_ => throw new NotImplementedException(),
+		};
 	}
 	public struct TableRecord {
 		public string tableTag;
@@ -99,9 +97,9 @@ namespace Cryville.Common.Font {
 		readonly UInt16 version;
 		readonly UInt16 count;
 		readonly UInt16 storageOffset;
-		readonly List<NameRecord> nameRecord = new List<NameRecord>();
+		readonly List<NameRecord> nameRecord = new();
 		readonly UInt16 langTagCount;
-		readonly List<LangTagRecord> langTagRecord = new List<LangTagRecord>();
+		readonly List<LangTagRecord> langTagRecord = new();
 		public NameTable(BinaryReader reader, UInt32 offset) : base(reader, offset) {
 			version = reader.ReadUInt16();
 			count = reader.ReadUInt16();
@@ -213,7 +211,7 @@ namespace Cryville.Common.Font {
 		readonly UInt32 flags;
 #pragma warning restore IDE0052 // Reserved
 		readonly UInt32 dataMapCount;
-		readonly List<DataMap> dataMaps = new List<DataMap>();
+		readonly List<DataMap> dataMaps = new();
 		public MetaTable(BinaryReader reader, UInt32 offset) : base(reader, offset) {
 			version = reader.ReadUInt32();
 			if (version != 1) throw new NotSupportedException();

Assets/Cryville/Common/IOExtensions.cs

@@ -25,7 +25,7 @@ namespace Cryville.Common {
 		/// <param name="encoding">The encoding of the string.</param>
 		/// <returns>The string read from the reader.</returns>
 		public static string ReadUInt16String(this BinaryReader reader, Encoding encoding = null) {
-			if (encoding == null) encoding = Encoding.UTF8;
+			encoding ??= Encoding.UTF8;
 			var len = reader.ReadUInt16();
 			byte[] buffer = reader.ReadBytes(len);
 			return encoding.GetString(buffer);
@@ -38,7 +38,7 @@ namespace Cryville.Common {
 		/// <param name="value">The string to write by the writer.</param>
 		/// <param name="encoding">The encoding of the string.</param>
 		public static void WriteUInt16String(this BinaryWriter writer, string value, Encoding encoding = null) {
-			if (encoding == null) encoding = Encoding.UTF8;
+			encoding ??= Encoding.UTF8;
 			byte[] buffer = encoding.GetBytes(value);
 			writer.Write((ushort)buffer.Length);
 			writer.Write(buffer);

Assets/Cryville/Common/Identifier.cs

@@ -2,26 +2,26 @@ using System;
 
 namespace Cryville.Common {
 	public struct Identifier : IEquatable<Identifier> {
-		public static Identifier Empty = new Identifier(0);
+		public static Identifier Empty = new(0);
 		public int Key { get; private set; }
-		public object Name { get { return IdentifierManager.Shared.Retrieve(Key); } }
+		public readonly object Name => IdentifierManager.Shared.Retrieve(Key);
 		public Identifier(int key) {
 			Key = key;
 		}
 		public Identifier(object name) {
 			Key = IdentifierManager.Shared.Request(name);
 		}
-		public override bool Equals(object obj) {
-			if (obj == null || !(obj is Identifier)) return false;
-			return Equals((Identifier)obj);
+		public override readonly bool Equals(object obj) {
+			if (obj == null || obj is not Identifier other) return false;
+			return Equals(other);
 		}
-		public bool Equals(Identifier other) {
+		public readonly bool Equals(Identifier other) {
 			return Key == other.Key;
 		}
-		public override int GetHashCode() {
+		public override readonly int GetHashCode() {
 			return Key;
 		}
-		public override string ToString() {
+		public override readonly string ToString() {
 			if (Key == 0) return "";
 			return Name.ToString();
 		}

Assets/Cryville/Common/Math/ColumnVector.cs

@@ -42,13 +42,13 @@ namespace Cryville.Common.Math {
 			}
 		}
 		/// <summary>
-		/// Performs dot operation with a <see cref="System.Single" /> column vector.
+		/// Performs dot operation with a <see cref="float" /> column vector.
 		/// </summary>
 		/// <param name="lhs">The lefthand column vector.</param>
 		/// <param name="o">The vector operator.</param>
 		/// <returns>The result of the dot operation.</returns>
 		public T Dot(ColumnVector<float> lhs, IVectorOperator<T> o) {
-			T res = default(T);
+			T res = default;
 			for (var i = 0; i < Size; i++)
 				res = o.Add(res, o.ScalarMultiply(lhs[i], content[i]));
 			return res;

Assets/Cryville/Common/Network.meta

@@ -1,9 +0,0 @@
-fileFormatVersion: 2
-guid: f8303a3eeefeacf4ca0c02b5d32e0cff
-folderAsset: yes
-timeCreated: 1621071543
-licenseType: Free
-DefaultImporter:
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 

Assets/Cryville/Common/Network/Http11/Http11Client.cs

@@ -1,156 +0,0 @@
-using Microsoft.Win32;
-using System;
-using System.Collections.Generic;
-using System.Globalization;
-using System.IO;
-using System.Net.Sockets;
-using System.Text;
-
-namespace Cryville.Common.Network.Http11 {
-	public class Http11Client : IDisposable {
-		private readonly string _directHost;
-		protected string DirectHost { get { return _directHost; } }
-
-		private readonly int _directPort;
-		protected int DirectPort { get { return _directPort; } }
-
-		readonly Uri _baseUri;
-		readonly int origPort;
-
-		protected const string Version = "HTTP/1.1";
-		protected TcpClient TcpClient { get; private set; }
-		protected Stream RawTcpStream { get { return TcpClient.GetStream(); } }
-		protected virtual Stream Stream { get { return TcpClient.GetStream(); } }
-		protected virtual string WindowsProxyProtocolName { get { return "http"; } }
-
-		private readonly bool _proxied = false;
-		
-		public Dictionary<string, string> Headers { get; set; }
-		
-		public Http11Client(Uri baseUri, int port = 80) {
-			_directHost = baseUri.Host;
-			_directPort = port;
-			_baseUri = baseUri;
-			origPort = _baseUri.Port;
-			Headers = new Dictionary<string, string>();
-			_proxied = GetProxy(ref _directHost, ref _directPort);
-			Shared.Logger.Log(0, "Network", "Connecting to {0}:{1}", DirectHost, DirectPort);
-			TcpClient = new TcpClient(DirectHost, DirectPort);
-		}
-
-		public virtual void Connect() {
-			if (_proxied) {
-				Request(RawTcpStream, "CONNECT", string.Format(CultureInfo.InvariantCulture, "{0}:{1}", _baseUri.Host, origPort));
-			}
-		}
-
-		public virtual void Close() {
-			TcpClient.Close();
-		}
-
-		public void Dispose() {
-			Dispose(true);
-			GC.SuppressFinalize(this);
-		}
-
-		public virtual void Dispose(bool disposing) {
-			if (disposing) {
-				Close();
-			}
-		}
-
-		public Http11Response Request(string method, Uri uri, string body = null, Encoding encoding = null) {
-			string struri = GetUri(uri).PathAndQuery;
-			return Request(Stream, method, struri, body, encoding);
-		}
-		
-		Http11Response Request(Stream stream, string method, string uri, string body = null, Encoding encoding = null) {
-			var headers = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
-			foreach (var h in Headers)
-				headers.Add(h.Key, h.Value);
-			headers["Host"] = _baseUri.Host;
-			byte[] payload = null;
-			if (body != null) {
-				if (encoding == null)
-					encoding = Encoding.UTF8;
-				payload = encoding.GetBytes(body);
-				headers.Add("Content-Encoding", encoding.EncodingName);
-				headers.Add("Content-Length", payload.Length.ToString(CultureInfo.InvariantCulture));
-			}
-			using (var writer = new StreamWriter(stream, Encoding.ASCII, 1024, true)) {
-				writer.Write(method);
-				writer.Write(' ');
-				writer.Write(uri);
-				writer.Write(' ');
-				writer.Write(Version);
-				writer.Write("\r\n");
-				foreach (var header in headers) {
-					writer.Write(header.Key);
-					writer.Write(':');
-					writer.Write(header.Value);
-					writer.Write("\r\n");
-				}
-				writer.Write("\r\n");
-				if (payload != null) writer.Write(payload);
-				writer.Flush();
-			}
-			var response = new Http11Response(stream);
-			Shared.Logger.Log(0, "Network", "{0}", response);
-			return response;
-		}
-
-		protected bool GetProxy(ref string host, ref int port) {
-			// TODO use winhttp.dll
-			if (Environment.OSVersion.Platform == PlatformID.Win32NT) {
-				var reg = Registry.CurrentUser.OpenSubKey(@"Software\Microsoft\Windows\CurrentVersion\Internet Settings");
-				var proxyEnable = (int)reg.GetValue("ProxyEnable");
-				if (proxyEnable == 0) return false;
-				var proxyStr = (string)reg.GetValue("ProxyServer");
-				if (!string.IsNullOrEmpty(proxyStr)) {
-					string[] proxies = proxyStr.Split(';');
-					foreach (var p in proxies) {
-						if (!p.Contains('=')) {
-							string[] s = p.Split(':');
-							host = s[0];
-							port = int.Parse(s[1]);
-							return true;
-						}
-						else if (p.StartsWith(WindowsProxyProtocolName + "=")) {
-							string[] s = p.Split('=', ':');
-							host = s[1];
-							port = int.Parse(s[2]);
-							return true;
-						}
-					}
-				}
-			}
-			return false;
-		}
-		
-		protected Uri GetUri(string path) {
-			Uri address;
-			if (_baseUri != null) {
-				if (!Uri.TryCreate(_baseUri, path, out address)) {
-					return new Uri(Path.GetFullPath(path));
-				}
-			}
-			else {
-				if (!Uri.TryCreate(path, UriKind.Absolute, out address)) {
-					return new Uri(Path.GetFullPath(path));
-				}
-			}
-			return GetUri(address);
-		}
-		
-		protected Uri GetUri(Uri address) {
-			if (address == null) {
-				throw new ArgumentNullException("address");
-			}
-			Uri uri = address;
-			if (!address.IsAbsoluteUri && _baseUri != null && !Uri.TryCreate(_baseUri, address, out uri)) {
-				return address;
-			}
-			return uri;
-		}
-	}
-}

Assets/Cryville/Common/Network/Http11/Http11Response.cs

@@ -1,71 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.IO;
-using System.Text;
-
-namespace Cryville.Common.Network.Http11 {
-	public class Http11Response : IDisposable {
-		static readonly char[] spchar = new char[]{ ' ' };
-		public string HttpVersion { get; private set; }
-		public string StatusCode { get; private set; }
-		public string ReasonPhase { get; private set; }
-		public Dictionary<string, string> Headers { get; private set; }
-		public Http11ResponseStream MessageBody { get; private set; }
-		internal Http11Response(Stream stream) {
-			var reader = new BinaryReader(stream, Encoding.ASCII);
-			var statu_line = ReadLine(reader).Split(spchar, 3);
-			HttpVersion = statu_line[0];
-			StatusCode = statu_line[1];
-			ReasonPhase = statu_line[2];
-			Headers = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
-			while (ParseHeader(reader, Headers)) ;
-			if (Headers.ContainsKey("content-length")) {
-				int length = int.Parse(Headers["content-length"]);
-				MessageBody = new Http11ResponseBlockStream(reader, length);
-			}
-			else if (Headers.ContainsKey("transfer-encoding") && Headers["transfer-encoding"] == "chunked") {
-				MessageBody = new Http11ResponseChunkedStream(reader);
-			}
-		}
-
-		public void Dispose() {
-			Dispose(true);
-			GC.SuppressFinalize(this);
-		}
-
-		public virtual void Dispose(bool disposing) {
-			if (disposing) {
-				MessageBody.Dispose();
-			}
-		}
-
-		public override string ToString() {
-			return string.Format("<{0} {1} {2}>", HttpVersion, StatusCode, ReasonPhase);
-		}
-
-		internal static bool ParseHeader(BinaryReader reader, Dictionary<string, string> headers) {
-			// TODO Multiline header
-			var header = ReadLine(reader);
-			if (header == "") return false;
-			var s = header.Split(':', 2);
-			string field_name = s[0].Trim().ToLower();
-			string field_value = s[1].Trim();
-			if (headers.ContainsKey(field_name)) headers[field_name] += "," + field_value;
-			else headers.Add(field_name, field_value);
-			return true;
-		}
-
-		internal static string ReadLine(BinaryReader reader) {
-			StringBuilder result = new StringBuilder();
-			char c;
-			while (true) {
-				c = reader.ReadChar();
-				if (c == '\r') break;
-				result.Append(c);
-			}
-			// TODO Unseekable
-			reader.ReadByte();
-			return result.ToString();
-		}
-	}
-}

Assets/Cryville/Common/Network/Http11/Http11ResponseStream.cs

@@ -1,130 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Globalization;
-using System.IO;
-using System.Linq;
-
-namespace Cryville.Common.Network.Http11 {
-	public abstract class Http11ResponseStream : Stream {
-		public override bool CanRead { get { return true; } }
-
-		public override bool CanSeek { get { return false; } }
-
-		public override bool CanWrite { get { return false; } }
-
-		public override long Length { get { throw new NotSupportedException(); } }
-
-		public override long Position {
-			get { throw new NotSupportedException(); }
-			set { throw new NotSupportedException(); }
-		}
-		
-		public override void Flush() { }
-
-		public abstract byte[] ReadToEnd();
-
-		public override long Seek(long offset, SeekOrigin origin) {
-			throw new NotSupportedException();
-		}
-
-		public override void SetLength(long value) {
-			throw new NotSupportedException();
-		}
-
-		public override void Write(byte[] buffer, int offset, int count) {
-			throw new NotSupportedException();
-		}
-	}
-
-	internal sealed class Http11ResponseBlockStream : Http11ResponseStream {
-		readonly BinaryReader _reader;
-		readonly int _length;
-		int _pos = 0;
-		internal Http11ResponseBlockStream(BinaryReader reader, int length) {
-			_reader = reader;
-			_length = length;
-		}
-		public override int Read(byte[] buffer, int offset, int count) {
-			int recv = 0;
-			int recv_len = System.Math.Min(count, _length - _pos);
-			if (recv_len == 0) return 0;
-			while (recv < recv_len) {
-				recv += _reader.Read(buffer, offset + recv, count - recv);
-			}
-			_pos += recv_len;
-			return recv_len;
-		}
-		public override byte[] ReadToEnd() {
-			byte[] buffer = new byte[_length - _pos];
-			Read(buffer, 0, buffer.Length);
-			return buffer;
-		}
-	}
-
-	internal sealed class Http11ResponseChunkedStream : Http11ResponseStream {
-		readonly BinaryReader _reader;
-		byte[] _chunk = null;
-		int _pos = 0;
-		internal Http11ResponseChunkedStream(BinaryReader reader) {
-			_reader = reader;
-			ReadChunk();
-		}
-		public void ReadChunk() {
-			if (_chunk != null && _chunk.Length == 0) return;
-			string[] chunkHeader = Http11Response.ReadLine(_reader).Split(';');
-			int chunkSize;
-			if (!int.TryParse(chunkHeader[0], NumberStyles.HexNumber, CultureInfo.InvariantCulture, out chunkSize))
-				throw new IOException("Corrupted chunk received");
-			if (chunkSize == 0) {
-				_chunk = new byte[0];
-				// TODO TE Header, now just discard
-				var headers = new Dictionary<string, string>();
-				while (Http11Response.ParseHeader(_reader, headers)) ;
-				return;
-			}
-			_chunk = new byte[chunkSize];
-			int recv = 0;
-			while (recv < chunkSize) {
-				recv += _reader.Read(_chunk, recv, chunkSize - recv);
-			}
-			_pos = 0;
-			if (Http11Response.ReadLine(_reader) != "")
-				throw new IOException("Corrupted chunk received");
-		}
-		public override int Read(byte[] buffer, int offset, int count) {
-			if (_chunk.Length == 0) return 0;
-			int recv = 0;
-			while (true) {
-				if (count - recv <= _chunk.Length - _pos) break;
-				Array.Copy(_chunk, _pos, buffer, recv, _chunk.Length - _pos);
-				recv += _chunk.Length - _pos;
-				ReadChunk();
-				if (_chunk.Length == 0) return recv;
-			}
-			Array.Copy(_chunk, _pos, buffer, recv, count - recv);
-			return count;
-		}
-		public override byte[] ReadToEnd() {
-			if (_chunk.Length == 0) return new byte[0];
-			List<byte[]> segs = new List<byte[]>();
-			while (true) {
-				if (_pos != 0) {
-					var buffer = new byte[_chunk.Length - _pos];
-					Array.Copy(_chunk, _pos, buffer, 0, buffer.Length);
-					segs.Add(buffer);
-				}
-				else segs.Add(_chunk);
-				ReadChunk();
-				if (_chunk.Length == 0) {
-					var result = new byte[segs.Sum(i => i.Length)];
-					int p = 0;
-					foreach (var i in segs) {
-						Array.Copy(i, 0, result, p, i.Length);
-						p += i.Length;
-					}
-					return result;
-				}
-			}
-		}
-	}
-}

Assets/Cryville/Common/Network/Http11/Https11Client.cs

@@ -1,33 +0,0 @@
-using System;
-using System.IO;
-
-namespace Cryville.Common.Network.Http11 {
-	public class Https11Client : Http11Client {
-		readonly TlsClient _tlsClient;
-		
-		protected override Stream Stream {
-			get {
-				return _tlsClient.Stream;
-			}
-		}
-		protected override string WindowsProxyProtocolName {
-			get {
-				return "https";
-			}
-		}
-
-		public Https11Client(Uri baseUri) : base(baseUri, 443) {
-			_tlsClient = new TlsClient(RawTcpStream, baseUri.Host);
-		}
-
-		public override void Connect() {
-			base.Connect();
-			_tlsClient.Connect();
-		}
-
-		public override void Close() {
-			_tlsClient.Close();
-			base.Close();
-		}
-	}
-}

Assets/Cryville/Common/Network/TlsClient.cs

@@ -1,96 +0,0 @@
-using Org.BouncyCastle.Security;
-using Org.BouncyCastle.Tls;
-using Org.BouncyCastle.Tls.Crypto;
-using Org.BouncyCastle.Tls.Crypto.Impl.BC;
-using System;
-using System.Collections;
-using System.IO;
-using System.Linq;
-using System.Text;
-using BcTlsClient = Org.BouncyCastle.Tls.TlsClient;
-
-namespace Cryville.Common.Network {
-	public class TlsClient : IDisposable {
-		readonly TlsClientProtocol _protocol;
-		readonly BcTlsClient _tlsClient;
-		public Stream Stream { get; private set; }
-		public TlsClient(Stream baseStream, string hostname) {
-			_protocol = new TlsClientProtocol(baseStream);
-			_tlsClient = new InternalTlsClient(hostname, new BcTlsCrypto(new SecureRandom()));
-		}
-
-		public void Connect() {
-			_protocol.Connect(_tlsClient);
-			Stream = _protocol.Stream;
-		}
-
-		public void Close() {
-			_protocol.Close();
-		}
-
-		public void Dispose() {
-			Dispose(true);
-			GC.SuppressFinalize(this);
-		}
-
-		public virtual void Dispose(bool disposing) {
-			if (disposing) {
-				Close();
-			}
-		}
-
-		private class InternalTlsClient : DefaultTlsClient {
-			readonly string _host;
-
-			public InternalTlsClient(string host, TlsCrypto crypto) : base(crypto) {
-				_host = host;
-			}
-
-			protected override ProtocolVersion[] GetSupportedVersions() {
-				return ProtocolVersion.TLSv13.DownTo(ProtocolVersion.TLSv12);
-			}
-
-			protected override IList GetProtocolNames() {
-				IList list = new ArrayList {
-					ProtocolName.Http_1_1
-				};
-				return list;
-			}
-
-			private static readonly int[] supportedCipherSuites = {
-				CipherSuite.TLS_AES_128_GCM_SHA256,
-				CipherSuite.TLS_AES_256_GCM_SHA384,
-				CipherSuite.TLS_CHACHA20_POLY1305_SHA256,
-				CipherSuite.TLS_AES_128_CCM_SHA256,
-				CipherSuite.TLS_AES_128_CCM_8_SHA256,
-			};
-			protected override int[] GetSupportedCipherSuites() {
-				return base.GetSupportedCipherSuites().Union(supportedCipherSuites).ToArray();
-			}
-
-			protected override IList GetSupportedSignatureAlgorithms() {
-				var result = base.GetSupportedSignatureAlgorithms();
-				result.Add(SignatureAndHashAlgorithm.ecdsa_brainpoolP256r1tls13_sha256);
-				result.Add(SignatureAndHashAlgorithm.ecdsa_brainpoolP384r1tls13_sha384);
-				result.Add(SignatureAndHashAlgorithm.ecdsa_brainpoolP512r1tls13_sha512);
-				return result;
-			}
-
-			protected override IList GetSniServerNames() {
-				return new ArrayList { new ServerName(0, Encoding.ASCII.GetBytes(_host)) };
-			}
-
-			public override TlsAuthentication GetAuthentication() {
-				return new NullTlsAuthentication();
-			}
-		}
-
-		private class NullTlsAuthentication : TlsAuthentication {
-			public TlsCredentials GetClientCredentials(CertificateRequest certificateRequest) {
-				return null;
-			}
-
-			public void NotifyServerCertificate(TlsServerCertificate serverCertificate) { }
-		}
-	}
-}

Assets/Cryville/Common/Network/TlsClient.cs.meta

@@ -1,12 +0,0 @@
-fileFormatVersion: 2
-guid: c9c242bb90fc1cc479a8df1407f21940
-timeCreated: 1622021660
-licenseType: Free
-MonoImporter:
-  serializedVersion: 2
-  defaultReferences: []
-  executionOrder: 0
-  icon: {instanceID: 0}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 

Assets/Cryville/Common/Pdt/PdtEvaluatorBase.cs

@@ -56,9 +56,9 @@ namespace Cryville.Common.Pdt {
 			while (ip != null) {
 				bool nextFlag = false;
 				var i = ip.Value;
-				if (i is PdtInstruction.Operate) {
+				if (i is PdtInstruction.Operate iop) {
 					int fc0 = _framecount;
-					int fc1 = ((PdtInstruction.Operate)i).Signature.ParamCount;
+					int fc1 = iop.Signature.ParamCount;
 					try { i.Execute(this, ref ip); } catch (Exception) { }
 					if (fc0 - _framecount == fc1) {
 						unsafe {
@@ -77,8 +77,7 @@ namespace Cryville.Common.Pdt {
 						}
 					}
 				}
-				else if (i is PdtInstruction.Collapse) {
-					var t = (PdtInstruction.Collapse)i;
+				else if (i is PdtInstruction.Collapse t) {
 					try {
 						var pins = ip;
 						i.Execute(this, ref ip);
@@ -133,15 +132,14 @@ namespace Cryville.Common.Pdt {
 			exp.IsConstant = true;
 			exp.IsPotentialConstant = true;
 			for (var ins = il.First; ins != null; ins = ins.Next) {
-				if (!(ins.Value is PdtInstruction.PushConstant)) {
+				if (ins.Value is not PdtInstruction.PushConstant) {
 					exp.IsConstant = false;
 					break;
 				}
 			}
 		}
 		void ReplaceIP(LinkedList<PdtInstruction> il, ref LinkedListNode<PdtInstruction> ip, PdtInstruction ins, Dictionary<LinkedListNode<PdtInstruction>, List<PdtInstruction.Collapse>> cols) {
-			List<PdtInstruction.Collapse> cins;
-			if (cols.TryGetValue(ip, out cins)) cols.Remove(ip);
+			if (cols.TryGetValue(ip, out List<PdtInstruction.Collapse> cins)) cols.Remove(ip);
 			ip = il.AddAfter(ip, ins);
 			il.Remove(ip.Previous);
 			if (cins != null) cols.Add(ip, cins);
@@ -163,8 +161,7 @@ namespace Cryville.Common.Pdt {
 		}
 		internal unsafe void PushVariable(int name, bool forced) {
 			fixed (StackFrame* frame = &_stack[_framecount++]) {
-				byte[] value;
-				GetVariable(name, forced, out frame->Type, out value);
+				GetVariable(name, forced, out frame->Type, out byte[] value);
 				frame->Offset = _goffset;
 				frame->Length = value.Length;
 				Array.Copy(value, 0, _mem, _goffset, value.Length);

Assets/Cryville/Common/Pdt/PdtExpression.cs

@@ -114,7 +114,7 @@ namespace Cryville.Common.Pdt {
 		}
 	}
 	public partial class PdtInterpreter {
-		static readonly Dictionary<char, int> OP_PRIORITY = new Dictionary<char, int> {
+		static readonly Dictionary<char, int> OP_PRIORITY = new() {
 			{ '@', 7 },
 			{ '*', 6 }, { '/', 6 }, { '%', 6 },
 			{ '+', 5 }, { '-', 5 },
@@ -125,7 +125,7 @@ namespace Cryville.Common.Pdt {
 			{ ',', 0 },
 			{ '$', -1 },
 		};
-		static readonly Dictionary<char, int> OP_TYPE = new Dictionary<char, int> {
+		static readonly Dictionary<char, int> OP_TYPE = new() {
 			{ '@', 0 },
 			{ '*', 0 }, { '/', 0 }, { '%', 0 },
 			{ '+', 0 }, { '-', 0 },
@@ -153,10 +153,10 @@ namespace Cryville.Common.Pdt {
 		private struct PdtExpToken {
 			public CharCategory Type { get; set; }
 			public string Value { get; set; }
-			public override string ToString() {
+			public override readonly string ToString() {
 				return string.Format("0x{0:x4}: {1}", Type, Value);
 			}
-			public static readonly PdtExpToken EmptyOperator = new PdtExpToken {
+			public static readonly PdtExpToken EmptyOperator = new() {
 				Type = CharCategory.Operator,
 				Value = "$",
 			};
@@ -249,13 +249,12 @@ namespace Cryville.Common.Pdt {
 			PdtExpToken? buf = null;
 			while (true) {
 				if (buf != null && t.Type != CharCategory.OpeningBracket) {
-					PdtExpression def;
-					if (defs.TryGetValue(buf.Value.Value, out def)) {
+					if (defs.TryGetValue(buf.Value.Value, out PdtExpression def)) {
 						foreach (var i in def.Instructions) ins.AddLast(i);
 					}
 					else {
 						var name = buf.Value.Value;
-						if (name[0] == '?') ins.AddLast(new PdtInstruction.PushVariable(name.Substring(1), true));
+						if (name[0] == '?') ins.AddLast(new PdtInstruction.PushVariable(name[1..], true));
 						else ins.AddLast(new PdtInstruction.PushVariable(name));
 					}
 					buf = null;

Assets/Cryville/Common/Pdt/PdtInterpreter.cs

@@ -65,7 +65,7 @@ namespace Cryville.Common.Pdt {
 		/// </summary>
 		public int Position { get; protected set; }
 
-		readonly StringBuilder _sb = new StringBuilder();
+		readonly StringBuilder _sb = new();
 #pragma warning disable IDE1006
 		/// <summary>
 		/// The character at the current position.
@@ -86,7 +86,7 @@ namespace Cryville.Common.Pdt {
 		protected string tokenb(CharCategory flag) {
 			int sp = Position;
 			while ((ct & flag) == 0) Position++;
-			return Source.Substring(sp, Position - sp);
+			return Source[sp..Position];
 		}
 		/// <summary>
 		/// Reads a token until a character that is not of type <paramref name="flag" /> is met.
@@ -97,7 +97,7 @@ namespace Cryville.Common.Pdt {
 		protected string tokenw(CharCategory flag) {
 			int sp = Position;
 			while ((ct & flag) != 0) Position++;
-			return Source.Substring(sp, Position - sp);
+			return Source[sp..Position];
 		}
 		/// <summary>
 		/// Skips over whitespaces.
@@ -163,7 +163,7 @@ namespace Cryville.Common.Pdt {
 			return new PdtExpression(ins);
 		}
 
-		readonly Dictionary<string, PdtExpression> defs = new Dictionary<string, PdtExpression>();
+		readonly Dictionary<string, PdtExpression> defs = new();
 		/// <summary>
 		/// Creates an instance of the <see cref="PdtInterpreter" /> class.
 		/// </summary>
@@ -186,8 +186,7 @@ namespace Cryville.Common.Pdt {
 		public object Interpret(Type type) {
 			try {
 				if (m_formatVersion == null) InterpretDirectives();
-				if (_binder == null)
-					_binder = BinderAttribute.CreateBinderOfType(type);
+				_binder ??= BinderAttribute.CreateBinderOfType(type);
 				return InterpretObject(type);
 			}
 			catch (Exception ex) {
@@ -256,18 +255,17 @@ namespace Cryville.Common.Pdt {
 		}
 		void InterpretObjectInternal<T>(bool pcflag, Type type, object pkey, object result, Func<Type, object> vfunc) where T : Attribute {
 			if (pcflag) {
-				using (var collection = new PairCollection(result)) {
-					var ktype = type.GetGenericArguments()[0];
-					var ptype = type.GetGenericArguments()[1];
-					object key = _binder.ChangeType(pkey, ktype, null);
-					object value = vfunc(ptype);
-					collection.Add(key, value);
-				}
+				using var collection = new PairCollection(result);
+				var ktype = type.GetGenericArguments()[0];
+				var ptype = type.GetGenericArguments()[1];
+				object key = _binder.ChangeType(pkey, ktype, null);
+				object value = vfunc(ptype);
+				collection.Add(key, value);
 			}
 			else {
 				MemberInfo prop = null;
 				bool flag = false;
-				if (pkey is string) prop = FieldLikeHelper.GetMember(type, (string)pkey);
+				if (pkey is string pname) prop = FieldLikeHelper.GetMember(type, pname);
 				if (prop == null) {
 					prop = FieldLikeHelper.FindMemberWithAttribute<T>(type);
 					flag = true;
@@ -279,13 +277,12 @@ namespace Cryville.Common.Pdt {
 					if (origCollection == null) {
 						FieldLikeHelper.SetValue(prop, result, origCollection = Activator.CreateInstance(ptype));
 					}
-					using (var collection = new PairCollection(origCollection)) {
-						var ktype = ptype.GetGenericArguments()[0];
-						var vtype = ptype.GetGenericArguments()[1];
-						object key = _binder.ChangeType(pkey, ktype, null);
-						object value = vfunc(vtype);
-						collection.Add(key, value);
-					}
+					using var collection = new PairCollection(origCollection);
+					var ktype = ptype.GetGenericArguments()[0];
+					var vtype = ptype.GetGenericArguments()[1];
+					object key = _binder.ChangeType(pkey, ktype, null);
+					object value = vfunc(vtype);
+					collection.Add(key, value);
 				}
 				else FieldLikeHelper.SetValue(prop, result, vfunc(ptype), _binder);
 			}
@@ -326,7 +323,7 @@ namespace Cryville.Common.Pdt {
 				src.Take(interpreter.Position).Count(c => c == '\n') + 1,
 				pos - lineStartPos + 1,
 				innerException == null ? "Unknown error" : innerException.Message,
-				src.Substring(previewStartPos, previewEndPos - previewStartPos)
+				src[previewStartPos..previewEndPos]
 			);
 		}
 	}

Assets/Cryville/Common/Pdt/PdtOperator.cs

@@ -102,17 +102,17 @@ namespace Cryville.Common.Pdt {
 			ParamCount = paramCount;
 			_hash = Name ^ ((ParamCount << 16) | (ParamCount >> 16));
 		}
-		public override bool Equals(object obj) {
-			if (!(obj is PdtOperatorSignature)) return false;
-			return Equals((PdtOperatorSignature)obj);
+		public override readonly bool Equals(object obj) {
+			if (obj is not PdtOperatorSignature other) return false;
+			return Equals(other);
 		}
-		public bool Equals(PdtOperatorSignature other) {
+		public readonly bool Equals(PdtOperatorSignature other) {
 			return Name == other.Name && ParamCount == other.ParamCount;
 		}
-		public override int GetHashCode() {
+		public override readonly int GetHashCode() {
 			return _hash;
 		}
-		public override string ToString() {
+		public override readonly string ToString() {
 			return string.Format("{0}({1})", IdentifierManager.Shared.Retrieve(Name), ParamCount);
 		}
 	}

Assets/Cryville/Common/Pdt/PdtVariableMemory.cs

@@ -24,7 +24,7 @@ namespace Cryville.Common.Pdt {
 		/// Copies the memory in the span to another span.
 		/// </summary>
 		/// <param name="dest">The destination span.</param>
-		public void CopyTo(PdtVariableMemory dest) {
+		public readonly void CopyTo(PdtVariableMemory dest) {
 			CopyTo(dest._ptr, 0, Length);
 		}
 		/// <summary>
@@ -32,7 +32,7 @@ namespace Cryville.Common.Pdt {
 		/// </summary>
 		/// <param name="dest">The destination buffer.</param>
 		/// <param name="destOffset">The offset on the destination buffer to start copying to.</param>
-		public void CopyTo(byte[] dest, int destOffset) {
+		public readonly void CopyTo(byte[] dest, int destOffset) {
 			fixed (byte* ptr = dest) {
 				CopyTo(ptr, destOffset, Length);
 			}
@@ -44,13 +44,13 @@ namespace Cryville.Common.Pdt {
 		/// <param name="destOffset">The offset on the destination buffer to start copying to.</param>
 		/// <param name="length">The length to copy.</param>
 		/// <exception cref="ArgumentOutOfRangeException"><paramref name="length" /> is greater than the length of the span.</exception>
-		public void CopyTo(byte* dest, int destOffset, int length) {
+		public readonly void CopyTo(byte* dest, int destOffset, int length) {
 			if (length > Length) throw new ArgumentOutOfRangeException("length");
 			for (int i = 0; i < length; i++)
 				dest[destOffset + i] = _ptr[i];
 		}
 		/// <inheritdoc />
-		public bool Equals(PdtVariableMemory obj) {
+		public readonly bool Equals(PdtVariableMemory obj) {
 			if (Type != obj.Type || Length != obj.Length) return false;
 			for (int i = 0; i < Length; i++) {
 				if (*(_ptr + i) != *(obj._ptr + i)) return false;
@@ -63,7 +63,7 @@ namespace Cryville.Common.Pdt {
 		/// <param name="offset">The offset on the span to start reading from.</param>
 		/// <returns>A number.</returns>
 		/// <exception cref="InvalidCastException">The span at the offset does not represent a number.</exception>
-		public float AsNumber(int offset = 0) {
+		public readonly float AsNumber(int offset = 0) {
 			if (Type != PdtInternalType.Number && Type != PdtInternalType.Vector)
 				throw new InvalidCastException("Not a number");
 			float value;
@@ -79,7 +79,7 @@ namespace Cryville.Common.Pdt {
 		/// <param name="offset">The offset from the start of the span.</param>
 		/// <exception cref="InvalidCastException">The span at the offset does not represent a number.</exception>
 		/// <exception cref="InvalidOperationException">The length of the span is not sufficient.</exception>
-		public void SetNumber(float value, int offset = 0) {
+		public readonly void SetNumber(float value, int offset = 0) {
 			if (Type != PdtInternalType.Number && Type != PdtInternalType.Vector)
 				throw new InvalidCastException("Not a number");
 			if (Length < sizeof(float) + offset)
@@ -94,7 +94,7 @@ namespace Cryville.Common.Pdt {
 		/// <param name="offset">The offset on the span to start reading from.</param>
 		/// <returns>A string.</returns>
 		/// <exception cref="InvalidCastException">The span at the offset does not represent a string.</exception>
-		public string AsString(int offset = 0) {
+		public readonly string AsString(int offset = 0) {
 			if (Type != PdtInternalType.String && Type != PdtInternalType.Array)
 				throw new InvalidCastException("Not a string");
 			var len = *(int*)(_ptr + offset);
@@ -107,7 +107,7 @@ namespace Cryville.Common.Pdt {
 		/// <param name="offset">The offset from the start of the span.</param>
 		/// <exception cref="InvalidCastException">The span at the offset does not represent a string.</exception>
 		/// <exception cref="InvalidOperationException">The length of the span is not sufficient.</exception>
-		public void SetString(string value, int offset = 0) {
+		public readonly void SetString(string value, int offset = 0) {
 			if (Type != PdtInternalType.String && Type != PdtInternalType.Array)
 				throw new InvalidCastException("Not a string");
 			int strlen = value.Length;
@@ -124,7 +124,7 @@ namespace Cryville.Common.Pdt {
 		/// <param name="offset">The offset on the span to start reading from.</param>
 		/// <returns>The name of an undefined identifier.</returns>
 		/// <exception cref="InvalidCastException">The span does not represent an undefined identifier.</exception>
-		public int AsIdentifier(int offset = 0) {
+		public readonly int AsIdentifier(int offset = 0) {
 			if (Type != PdtInternalType.Undefined && Type != PdtInternalType.Array)
 				throw new InvalidCastException("Not an identifier");
 			return *(int*)(_ptr + offset);
@@ -140,7 +140,7 @@ namespace Cryville.Common.Pdt {
 		/// <remarks>
 		/// <para>Use <see cref="AsNumber(int)" /> instead while reading an unaligned number.</para>
 		/// </remarks>
-		public T As<T>(int offset = 0) {
+		public readonly T As<T>(int offset = 0) {
 			var len = Unsafe.SizeOf<T>();
 			if (offset >= Length)
 				throw new ArgumentOutOfRangeException("offset");
@@ -159,7 +159,7 @@ namespace Cryville.Common.Pdt {
 		/// <remarks>
 		/// <para>Use <see cref="SetNumber(float, int)" /> instead while writing an unaligned number.</para>
 		/// </remarks>
-		public void Set<T>(T value, int offset = 0) {
+		public readonly void Set<T>(T value, int offset = 0) {
 			var len = Unsafe.SizeOf<T>();
 			if (offset >= Length)
 				throw new ArgumentOutOfRangeException("offset");
@@ -173,7 +173,7 @@ namespace Cryville.Common.Pdt {
 		/// <param name="arrtype">The type of the array.</param>
 		/// <param name="pc">The item count of the array.</param>
 		/// <exception cref="InvalidCastException">The span does not represent an array.</exception>
-		public void GetArraySuffix(out int arrtype, out int pc) {
+		public readonly void GetArraySuffix(out int arrtype, out int pc) {
 			if (Type != PdtInternalType.Vector && Type != PdtInternalType.Array)
 				throw new InvalidCastException("Not an array or vector");
 			arrtype = *(int*)(_ptr + Length - sizeof(int));
@@ -186,7 +186,7 @@ namespace Cryville.Common.Pdt {
 		/// <param name="arrtype">The type of the array.</param>
 		/// <param name="pc">The item count of the array.</param>
 		/// <exception cref="InvalidCastException">The span does not represent an array.</exception>
-		public void SetArraySuffix(int arrtype, int pc = 0) {
+		public readonly void SetArraySuffix(int arrtype, int pc = 0) {
 			if (Type != PdtInternalType.Vector && Type != PdtInternalType.Array)
 				throw new InvalidCastException("Not an array or vector");
 			*(int*)(_ptr + Length - sizeof(int)) = arrtype;

Assets/Cryville/Common/Qualified.cs

@@ -6,15 +6,15 @@ namespace Cryville.Common {
 		public T Value { get; set; }
 		public string Unit { get; set; }
 
-		public Qualified(string unit) : this(default(T), unit) { }
+		public Qualified(string unit) : this(default, unit) { }
 		public Qualified(T value, string unit) {
 			Value = value;
 			Unit = unit;
 		}
 
-		public override string ToString() { return ToString("G3"); }
-		public string ToString(string format) { return ToString(format, null); }
-		public string ToString(string format, IFormatProvider formatProvider) {
+		public override readonly string ToString() { return ToString("G3"); }
+		public readonly string ToString(string format) { return ToString(format, null); }
+		public readonly string ToString(string format, IFormatProvider formatProvider) {
 			double value = Value.ToDouble(formatProvider);
 			int expIndex = (int)System.Math.Log10(value) / 3;
 			if (expIndex == 0) {

Assets/Cryville/Common/Shared.cs

@@ -2,6 +2,6 @@ using Cryville.Common.Logging;
 
 namespace Cryville.Common {
 	public static class Shared {
-		public static readonly Logger Logger = new Logger();
+		public static readonly Logger Logger = new();
 	}
 }

Assets/Cryville/Common/StringUtils.cs

@@ -13,7 +13,7 @@ namespace Cryville.Common {
 		/// <param name="s">The file name or file path.</param>
 		/// <returns>The file name or file path with the extension removed.</returns>
 		public static string TrimExt(string s) {
-			return s.Substring(0, s.LastIndexOf("."));
+			return s[..s.LastIndexOf(".")];
 		}
 		/// <summary>
 		/// Converts the value of a <see cref="TimeSpan" /> to a human-readable string.
@@ -52,12 +52,12 @@ namespace Cryville.Common {
 		public static string GetProcessPathFromCommand(string command) {
 			command = command.Trim();
 			if (command[0] == '"') {
-				return command.Substring(1, command.IndexOf('"', 1) - 1);
+				return command[1..command.IndexOf('"', 1)];
 			}
 			else {
 				int e = command.IndexOf(' ');
 				if (e == -1) return command;
-				else return command.Substring(0, e);
+				else return command[..e];
 			}
 		}
 	}

Assets/Cryville/Common/Unity/NetworkTaskWorker.cs

@@ -16,7 +16,7 @@ namespace Cryville.Common.Unity {
 	public class NetworkTaskWorker {
 		bool suspended;
 		NetworkTask currentNetworkTask;
-		readonly Queue<NetworkTask> networkTasks = new Queue<NetworkTask>();
+		readonly Queue<NetworkTask> networkTasks = new();
 
 		/// <summary>
 		/// Current queued task count.

Assets/Cryville/Common/Unity/StateTweener.cs

@@ -30,13 +30,13 @@ namespace Cryville.Common.Unity {
 			[SerializeField]
 			public string Attribute;
 
-			public bool Equals(AttributeBinding other) {
+			public readonly bool Equals(AttributeBinding other) {
 				return Component.Equals(other.Component) && Attribute.Equals(other.Attribute);
 			}
-			public override bool Equals(object obj) {
-				return obj is AttributeBinding && Equals((AttributeBinding)obj);
+			public override readonly bool Equals(object obj) {
+				return obj is AttributeBinding other && Equals(other);
 			}
-			public override int GetHashCode() {
+			public override readonly int GetHashCode() {
 				return Component.GetHashCode() ^ Attribute.GetHashCode();
 			}
 		}
@@ -44,10 +44,10 @@ namespace Cryville.Common.Unity {
 		[SerializeField]
 		StateTweener[] m_children;
 
-		readonly List<string> _statePriority = new List<string>();
-		readonly Dictionary<AttributeBinding, object> _defaults = new Dictionary<AttributeBinding, object>();
-		readonly Dictionary<AttributeBinding, PropertyTweener<object>> _tweeners = new Dictionary<AttributeBinding, PropertyTweener<object>>();
-		readonly Dictionary<string, Dictionary<AttributeBinding, object>> _runtimeStates = new Dictionary<string, Dictionary<AttributeBinding, object>>();
+		readonly List<string> _statePriority = new();
+		readonly Dictionary<AttributeBinding, object> _defaults = new();
+		readonly Dictionary<AttributeBinding, PropertyTweener<object>> _tweeners = new();
+		readonly Dictionary<string, Dictionary<AttributeBinding, object>> _runtimeStates = new();
 
 		void Awake() {
 			var types = new Dictionary<AttributeBinding, Type>();
@@ -130,7 +130,7 @@ namespace Cryville.Common.Unity {
 			foreach (var tweener in _tweeners) tweener.Value.Advance(Time.deltaTime);
 		}
 
-		readonly List<string> m_cState = new List<string>();
+		readonly List<string> m_cState = new();
 		public IReadOnlyList<string> CurrentState => m_cState;
 		public void ClearState(float transitionDuration = float.Epsilon) {
 			foreach (var child in m_children) child.ClearState(transitionDuration);
@@ -161,7 +161,7 @@ namespace Cryville.Common.Unity {
 			if (index < 0) return;
 			m_cState.RemoveAt(index);
 			if (index < m_cState.Count) return;
-			var attrs = m_cState.Count == 0 ? _defaults : _runtimeStates[m_cState[m_cState.Count - 1]];
+			var attrs = m_cState.Count == 0 ? _defaults : _runtimeStates[m_cState[^1]];
 			foreach (var tweener in _tweeners) {
 				tweener.Value.Start(attrs[tweener.Key], transitionDuration);
 			}

Assets/Cryville/Common/Unity/UI/CanvasRendererColorLinker.cs

@@ -0,0 +1,18 @@
+using UnityEngine;
+
+namespace Cryville.Common.Unity.UI {
+	[ExecuteAlways]
+	[RequireComponent(typeof(CanvasRenderer))]
+	public class CanvasRendererColorLinker : MonoBehaviour {
+		[SerializeField] CanvasRenderer m_source;
+		CanvasRenderer _target;
+
+		void Awake() {
+			_target = GetComponent<CanvasRenderer>();
+		}
+		void Update() {
+			if (m_source == null) return;
+			_target.SetColor(m_source.GetColor());
+		}
+	}
+}

Assets/Cryville/Common/Unity/UI/CanvasRendererColorLinker.cs.meta

@@ -1,5 +1,5 @@
 fileFormatVersion: 2
-guid: 49a8d5b9869e5bb42bafbe71f84fecc5
+guid: 5f490a9cc1b652746b3062810e200ec5
 MonoImporter:
   externalObjects: {}
   serializedVersion: 2

Assets/Cryville/Common/Unity/UI/ScrollableItemGrid.cs

@@ -113,7 +113,7 @@ namespace Cryville.Common.Unity.UI {
 		private bool initialized;
 		private GameObject[][] lines;
 		private int[] refl;
-		Vector2 cpos = new Vector2(0, 1);
+		Vector2 cpos = new(0, 1);
 		Vector2 pprectsize;
 
 #pragma warning disable IDE0051

Assets/Cryville/Common/Unity/UI/TMPAutoFont.cs

@@ -35,8 +35,7 @@ namespace Cryville.Common.Unity.UI {
 							if (MaxFallbackCount <= 0) break;
 						}
 						else {
-							if (_font.fallbackFontAssetTable == null)
-								_font.fallbackFontAssetTable = new List<FontAsset>();
+							_font.fallbackFontAssetTable ??= new List<FontAsset>();
 							_font.fallbackFontAssetTable.Add(ifont);
 							Shared.Logger.Log(1, "UI", "Using fallback font #{0}: {1}", _font.fallbackFontAssetTable.Count, typeface.FullName);
 							if (_font.fallbackFontAssetTable.Count >= MaxFallbackCount) break;

Assets/Cryville/Common/Unity/UrlOpener.cs

@@ -1,8 +1,22 @@
+using System;
+using System.Runtime.InteropServices;
+
 namespace Cryville.Common.Unity {
 	public static class UrlOpener {
 		public static void Open(string url) {
 #if UNITY_STANDALONE_WIN || UNITY_EDITOR_WIN
-			System.Diagnostics.Process.Start(url);
+			url += "\0";
+			unsafe {
+				fixed (char* lpFile = url) {
+					var info = new SHELLEXECUTEINFOW {
+						cbSize = (uint)sizeof(SHELLEXECUTEINFOW),
+						fMask = 0x0540,
+						lpFile = lpFile,
+						nShow = 1,
+					};
+					ShellExecuteExW(ref info);
+				}
+			}
 #elif UNITY_ANDROID
 			using (var clazz = new UnityEngine.AndroidJavaClass("world.cryville.common.unity.UrlOpener")) {
 				clazz.CallStatic("open", url);
@@ -22,5 +36,27 @@ namespace Cryville.Common.Unity {
 #error Unknown platform.
 #endif
 		}
+
+#if UNITY_STANDALONE_WIN || UNITY_EDITOR_WIN
+		[DllImport("shell32.dll")]
+		static extern void ShellExecuteExW(ref SHELLEXECUTEINFOW pExecInfo);
+		unsafe struct SHELLEXECUTEINFOW {
+			public uint cbSize;
+			public uint fMask;
+			public IntPtr hwnd;
+			public char* lpVerb;
+			public char* lpFile;
+			public char* lpParameters;
+			public char* lpDirectory;
+			public int nShow;
+			public IntPtr hInstApp;
+			public IntPtr lpIDList;
+			public IntPtr lpClass;
+			public IntPtr hkeyClass;
+			public uint dwHotKey;
+			public IntPtr hIconMonitor;
+			public IntPtr hProcess;
+		}
+#endif
 	}
 }

Assets/Cryville/Crtr/BeatTime.cs

@@ -25,7 +25,7 @@ namespace Cryville.Crtr {
 		public int d;
 
 		[JsonIgnore]
-		public double Decimal { get { return b + (double)n / d; } }
+		public readonly double Decimal { get { return b + (double)n / d; } }
 
 		public int CompareTo(BeatTime other) {
 			var c = b.CompareTo(other.b);
@@ -34,15 +34,15 @@ namespace Cryville.Crtr {
 		}
 
 		public override bool Equals(object obj) {
-			if (!(obj is BeatTime)) return false;
-			return Equals((BeatTime)obj);
+			if (obj is not BeatTime other) return false;
+			return Equals(other);
 		}
 
 		public bool Equals(BeatTime other) {
 			return b.Equals(other.b) && ((double)n / d).Equals((double)other.n / other.d);
 		}
 
-		public override int GetHashCode() {
+		public override readonly int GetHashCode() {
 			return Decimal.GetHashCode();
 		}
 

Assets/Cryville/Crtr/Browsing/Actions/ActionManager.cs

@@ -4,54 +4,63 @@ using System.Linq;
 
 namespace Cryville.Crtr.Browsing.Actions {
 	public class ActionManager {
-		readonly Dictionary<Type, List<IResourceAction>> _actions = new Dictionary<Type, List<IResourceAction>>();
+		readonly Dictionary<Type, List<IResourceAction>> _actions = new();
+		readonly Dictionary<IResourceAction, int> _refCounts = new();
 
 		public event Action Changed;
 
 		class ActionPriorityComparer : IComparer<IResourceAction> {
-			public static readonly ActionPriorityComparer Instance = new ActionPriorityComparer();
+			public static readonly ActionPriorityComparer Instance = new();
 			public int Compare(IResourceAction x, IResourceAction y) {
 				return x.Priority.CompareTo(y.Priority);
 			}
 		}
 
 		void Register(Type type, IResourceAction action) {
-			List<IResourceAction> actions;
-			if (!_actions.TryGetValue(type, out actions)) {
+			if (!_actions.TryGetValue(type, out List<IResourceAction> actions)) {
 				_actions.Add(type, actions = new List<IResourceAction>());
 			}
 			int index = actions.BinarySearch(action, ActionPriorityComparer.Instance);
 			if (index < 0) index = ~index;
 			actions.Insert(index, action);
+			if (_refCounts.ContainsKey(action)) _refCounts[action]++;
+			else _refCounts[action] = 1;
 			Changed?.Invoke();
 		}
 		public void Register(IResourceAction action) {
 			Register(typeof(object), action);
 		}
-		public void Register<T>(IResourceAction<T> action) {
+		public void Register<T>(IResourceAction<T> action) where T : IResourceMeta {
 			Register(typeof(T), action);
 		}
 
 		public void Unregister(Type type, IResourceAction action) {
-			List<IResourceAction> actions;
-			if (!_actions.TryGetValue(type, out actions)) return;
+			if (!_actions.TryGetValue(type, out List<IResourceAction> actions)) return;
+			if (--_refCounts[action] > 0) return;
 			actions.Remove(action);
 			Changed?.Invoke();
 		}
 		public void Unregister(IResourceAction action) {
 			Unregister(typeof(object), action);
 		}
-		public void Unregister<T>(IResourceAction<T> action) {
+		public void Unregister<T>(IResourceAction<T> action) where T : IResourceMeta {
 			Unregister(typeof(T), action);
 		}
 
-		public IEnumerable<IResourceAction> GetActions(Type type) {
-			List<IResourceAction> actions;
-			if (!_actions.TryGetValue(type, out actions)) {
-				actions = new List<IResourceAction>();
-			}
-			IEnumerable<IResourceAction> result = actions;
-			if (type != typeof(object)) result = result.Concat(GetActions(type.BaseType));
+		public IEnumerable<IResourceAction> GetActions(Uri uri, IResourceMeta res) {
+			return GetActions(uri, res, res.GetType());
+		}
+		IEnumerable<IResourceAction> GetActions(Uri uri, IResourceMeta res, Type type) {
+			if (type == null) return Enumerable.Empty<IResourceAction>();
+			IEnumerable<IResourceAction> result;
+			if (_actions.TryGetValue(type, out List<IResourceAction> actions))
+				result = actions.Where(i => i.CanInvoke(uri, res));
+			else
+				result = Enumerable.Empty<IResourceAction>();
+			if (type != typeof(object))
+				result = result
+					.Concat(GetActions(uri, res, type.BaseType))
+					.Concat(type.GetInterfaces().SelectMany(i => GetActions(uri, res, i)));
 			return result;
 		}
 	}

Assets/Cryville/Crtr/Browsing/Actions/IResourceAction.cs

@@ -4,9 +4,12 @@ namespace Cryville.Crtr.Browsing.Actions {
 	public interface IResourceAction {
 		string Name { get; }
 		int Priority { get; }
-		void Invoke(Uri uri, object resource);
+
+		bool CanInvoke(Uri uri, IResourceMeta resource);
+		void Invoke(Uri uri, IResourceMeta resource);
 	}
-	public interface IResourceAction<T> : IResourceAction {
+	public interface IResourceAction<T> : IResourceAction where T : IResourceMeta {
+		bool CanInvoke(Uri uri, T resource);
 		void Invoke(Uri uri, T resource);
 	}
 }

Assets/Cryville/Crtr/Browsing/Actions/ImportResourceAction.cs

@@ -3,15 +3,18 @@ using System;
 
 namespace Cryville.Crtr.Browsing.Actions {
 	internal class ImportResourceAction : IResourceAction {
-		readonly IResourceManager _destination;
-		public ImportResourceAction(IResourceManager destination) {
+		readonly IResourceDestination _destination;
+		public ImportResourceAction(IResourceDestination destination) {
 			_destination = destination;
 		}
 
 		public string Name { get { return "Import"; } }
 		public int Priority { get { return 0; } }
 
-		public void Invoke(Uri uri, object resource) {
+		public bool CanInvoke(Uri uri, IResourceMeta resource) {
+			return _destination.CanImport(uri);
+		}
+		public void Invoke(Uri uri, IResourceMeta resource) {
 			if (_destination.ImportFrom(uri))
 				Popup.Create("Import succeeded");
 			else

Assets/Cryville/Crtr/Browsing/Actions/OpenConfigAction.cs

@@ -1,34 +1,43 @@
 using Cryville.Crtr.Browsing.UI;
-using Cryville.Crtr.UI;
+using Cryville.Crtr.Config;
 using System;
 using System.Collections.Generic;
 using Object = UnityEngine.Object;
 
 namespace Cryville.Crtr.Browsing.Actions {
-	internal class OpenConfigAction : ResourceAction<ChartDetail> {
+	internal class OpenConfigAction : ResourceAction<IChartDetail> {
 		public override string Name { get { return "Config"; } }
 
 		public override int Priority { get { return -50; } }
 
-		static Dictionary<string, int> _rulesetTabs = new Dictionary<string, int>();
+		static readonly Dictionary<string, int> _rulesetTabs = new();
 
-		public override void Invoke(Uri uri, ChartDetail resource) {
+		public override bool CanInvoke(Uri uri, IChartDetail resource) {
+			return true;
+		}
+		public override void Invoke(Uri uri, IChartDetail resource) {
+			Invoke(resource.RulesetId);
+		}
+
+		public static bool HasTab(string ruleset) {
 			var master = ResourceBrowserMaster.Instance;
-			var ruleset = resource.Meta.ruleset;
-			int tabId;
-			if (_rulesetTabs.TryGetValue(ruleset, out tabId) && master.TryOpenTab(tabId))
+			if (master == null) return false;
+			return _rulesetTabs.TryGetValue(ruleset, out int tabId) && master.HasTab(tabId);
+		}
+		public static void Invoke(string ruleset, Action<RulesetConfig> overrides = null) {
+			var master = ResourceBrowserMaster.Instance;
+			if (_rulesetTabs.TryGetValue(ruleset, out int tabId) && master.TryOpenTab(tabId))
 				return;
 			var browser = Object.Instantiate(master.m_configBrowserPrefab).GetComponent<RulesetConfigBrowser>();
 			try {
-				browser.Load(ruleset);
+				browser.Load(ruleset, overrides);
 			}
-			catch (Exception ex) {
-				Dialog.Show(null, ex.Message);
-				Game.MainLogger.Log(4, "Config", "An error occurred while loading the config: {0}", ex);
+			catch (Exception) {
 				Object.Destroy(browser.gameObject);
-				return;
+				throw;
 			}
-			_rulesetTabs[ruleset] = master.AddAndOpenTab(string.Format("Config: {0}", ruleset), browser);
+			_rulesetTabs[ruleset] = master.AddAndOpenTab(string.Format("{0} (Config)", ruleset), browser);
+			browser.InitAction();
 		}
 	}
 }

Assets/Cryville/Crtr/Browsing/Actions/PlayChartAction.cs

@@ -4,13 +4,16 @@ using System.IO;
 using UnityEngine.SceneManagement;
 
 namespace Cryville.Crtr.Browsing.Actions {
-	internal class PlayChartAction : ResourceAction<ChartDetail> {
+	internal class PlayChartAction : ResourceAction<IChartDetail> {
 		public override string Name { get { return "Play"; } }
 		public override int Priority { get { return -100; } }
 
-		public override void Invoke(Uri uri, ChartDetail resource) {
-			Settings.Default.LoadRuleset = Path.Combine(resource.Meta.ruleset, ".umgr");
-			Settings.Default.LoadRulesetConfig = resource.Meta.ruleset + ".json";
+		public override bool CanInvoke(Uri uri, IChartDetail resource) {
+			return true;
+		}
+		public override void Invoke(Uri uri, IChartDetail resource) {
+			Settings.Default.LoadRuleset = Path.Combine(resource.RulesetId, ".umgr");
+			Settings.Default.LoadRulesetConfig = resource.RulesetId + ".json";
 			Settings.Default.LoadChart = uri.LocalPath;
 #if UNITY_5_3_OR_NEWER
 			SceneManager.LoadScene("Play", LoadSceneMode.Additive);
@@ -19,7 +22,7 @@ namespace Cryville.Crtr.Browsing.Actions {
 #endif
 			Master.Instance.HideMenu();
 #if UNITY_STANDALONE_WIN || UNITY_EDITOR_WIN
-			DiscordController.Instance.SetPlaying(string.Format("{0} - {1}", resource.Meta.song.name, resource.Meta.name), resource.Meta.length);
+			DiscordController.Instance.SetPlaying(string.Format("{0} - {1}", resource.SongName, resource.Name), resource.Length.TotalSeconds);
 #endif
 		}
 	}

Assets/Cryville/Crtr/Browsing/Actions/ResourceAction.cs

@@ -1,14 +1,22 @@
 using System;
 
 namespace Cryville.Crtr.Browsing.Actions {
-	public abstract class ResourceAction<T> : IResourceAction<T> {
+	public abstract class ResourceAction<T> : IResourceAction<T> where T : IResourceMeta {
 		public abstract string Name { get; }
 		public abstract int Priority { get; }
-		public abstract void Invoke(Uri uri, T resource);
-		public void Invoke(Uri uri, object resource) {
+
+		public abstract bool CanInvoke(Uri uri, T resource);
+		public bool CanInvoke(Uri uri, IResourceMeta resource) {
 			if (resource == null) throw new ArgumentNullException("resource");
-			if (!(resource is T)) throw new ArgumentException("Mismatched resource type.");
-			Invoke(uri, (T)resource);
+			if (resource is not T res) throw new ArgumentException("Mismatched resource type.");
+			return CanInvoke(uri, res);
+		}
+
+		public abstract void Invoke(Uri uri, T resource);
+		public void Invoke(Uri uri, IResourceMeta resource) {
+			if (resource == null) throw new ArgumentNullException("resource");
+			if (resource is not T res) throw new ArgumentException("Mismatched resource type.");
+			Invoke(uri, res);
 		}
 	}
 }

Assets/Cryville/Crtr/Browsing/Actions/UseSkinAction.cs

@@ -0,0 +1,33 @@
+using Cryville.Crtr.Browsing.UI;
+using System;
+
+namespace Cryville.Crtr.Browsing.Actions {
+	internal class UseSkinAction : ResourceAction<ISkinDetail> {
+		readonly RulesetConfigBrowser _destination;
+		public UseSkinAction() : this(null) { }
+		public UseSkinAction(RulesetConfigBrowser destination) {
+			_destination = destination;
+		}
+
+		public override string Name { get { return "Use"; } }
+
+		public override int Priority { get { return -100; } }
+
+		public override bool CanInvoke(Uri uri, ISkinDetail resource) {
+			if (_destination == null) {
+				return !OpenConfigAction.HasTab(resource.RulesetId);
+			}
+			return _destination.RulesetName == resource.RulesetId;
+		}
+
+		public override void Invoke(Uri uri, ISkinDetail resource) {
+			if (_destination == null) {
+				OpenConfigAction.Invoke(resource.RulesetId, config => config.generic.Skin = resource.Name);
+			}
+			else {
+				_destination.SetSkin(resource.Name);
+				OpenConfigAction.Invoke(resource.RulesetId, null);
+			}
+		}
+	}
+}

Assets/Cryville/Crtr/Browsing/Actions/UseSkinAction.cs.meta

@@ -1,5 +1,5 @@
 fileFormatVersion: 2
-guid: c5c233e6228ce204fa1a9724c48ac8fe
+guid: ac898133ecfdb3f42bdade958381cd1a
 MonoImporter:
   externalObjects: {}
   serializedVersion: 2

Assets/Cryville/Crtr/Browsing/ExtensionManager.cs

@@ -8,23 +8,25 @@ using System.Reflection;
 
 namespace Cryville.Crtr.Browsing {
 	internal static class ExtensionManager {
+		static bool _init;
 		static readonly Dictionary<string, List<ResourceConverter>> _converters
-			= new Dictionary<string, List<ResourceConverter>>();
+			= new();
 		public static ISet<string> GetSupportedFormats() {
 			return new HashSet<string>(_converters.Keys);
 		}
 		public static bool TryGetConverters(string extension, out IEnumerable<ResourceConverter> converters) {
-			List<ResourceConverter> outResult;
-			bool result = _converters.TryGetValue(extension, out outResult);
+			bool result = _converters.TryGetValue(extension, out List<ResourceConverter> outResult);
 			converters = outResult;
 			return result;
 		}
 		static readonly Dictionary<string, string> _localRes
-			= new Dictionary<string, string>();
+			= new();
 		public static IReadOnlyDictionary<string, string> GetLocalResourcePaths() {
 			return _localRes;
 		}
 		public static void Init(string rootPath) {
+			if (_init) return;
+			_init = true;
 			LoadExtension(typeof(Extensions.Extension));
 			var asms = AppDomain.CurrentDomain.GetAssemblies().Select(a => a.GetName().Name).ToHashSet();
 			var modules = new Queue<ModuleItem>();
@@ -59,8 +61,7 @@ namespace Cryville.Crtr.Browsing {
 						stream.Seek(0, SeekOrigin.Begin);
 						var buf = new byte[stream.Length];
 						stream.Read(buf, 0, buf.Length);
-						var asm = Assembly.Load(buf);
-						if (asm == null) throw new TypeLoadException("Failed to load the module");
+						var asm = Assembly.Load(buf) ?? throw new TypeLoadException("Failed to load the module");
 						asms.Add(asm.GetName().Name);
 						foreach (var type in asm.GetTypes()) {
 							if (typeof(ExtensionInterface).IsAssignableFrom(type)) {

Assets/Cryville/Crtr/Browsing/FileSystemResourceManager.cs

@@ -1,4 +1,5 @@
 using Cryville.Common;
+using Cryville.Crtr.Browsing.Actions;
 using Cryville.Crtr.UI;
 using System;
 using System.Collections.Generic;
@@ -16,7 +17,7 @@ namespace Cryville.Crtr.Browsing {
 		public FileSystemEntry this[int index] { get { return _filteredItems[index]; } }
 		IResourceMeta IResourceManager.this[int index] { get { return this[index]; } }
 
-		readonly List<string> _dirParts = new List<string>();
+		readonly List<string> _dirParts = new();
 		readonly IList<string> m_dirParts;
 		public IList<string> CurrentDirectory { get { return m_dirParts; } }
 		public int Count { get { return _filteredItems.Length; } }
@@ -118,7 +119,7 @@ namespace Cryville.Crtr.Browsing {
 			ItemChanged?.Invoke();
 		}
 
-		public bool ImportFrom(Uri uri) { throw new NotSupportedException(); }
+		public IResourceAction GetImportAction() { throw new NotSupportedException(); }
 		public void RemoveAt(int index) { throw new NotSupportedException(); }
 	}
 
@@ -135,8 +136,7 @@ namespace Cryville.Crtr.Browsing {
 		public IEnumerable<MetaProperty> Properties {
 			get {
 				yield return new MetaProperty("Name", _name);
-				if (FileSystemInfo is FileInfo) {
-					var file = (FileInfo)FileSystemInfo;
+				if (FileSystemInfo is FileInfo file) {
 					yield return new MetaProperty("Size", new Qualified<long>(file.Length, "B"));
 				}
 				yield return new MetaProperty("Write.Time", FileSystemInfo.LastWriteTime);

Assets/Cryville/Crtr/Browsing/IChartDetail.cs

@@ -0,0 +1,10 @@
+using System;
+
+namespace Cryville.Crtr.Browsing {
+	internal interface IChartDetail : IResourceMeta {
+		string RulesetId { get; }
+		string Name { get; }
+		string SongName { get; }
+		TimeSpan Length { get; }
+	}
+}

Assets/Cryville/Crtr/Browsing/IChartDetail.cs.meta

@@ -1,5 +1,5 @@
 fileFormatVersion: 2
-guid: 71234dd1c93d47b4893750686b2333a3
+guid: 117e1aa46a380524096d0b6bea97c3d4
 MonoImporter:
   externalObjects: {}
   serializedVersion: 2

Assets/Cryville/Crtr/Browsing/IResourceDestination.cs

@@ -0,0 +1,8 @@
+using System;
+
+namespace Cryville.Crtr.Browsing {
+	public interface IResourceDestination {
+		bool CanImport(Uri uri);
+		bool ImportFrom(Uri uri);
+	}
+}

Assets/Cryville/Crtr/Browsing/IResourceDestination.cs.meta

@@ -1,5 +1,5 @@
 fileFormatVersion: 2
-guid: 5a795e416e54c69418de1a3c27a88932
+guid: a81bd44e67e24a34782dfda1e6565fab
 MonoImporter:
   externalObjects: {}
   serializedVersion: 2

Assets/Cryville/Crtr/Browsing/IResourceManager.cs

@@ -1,3 +1,4 @@
+using Cryville.Crtr.Browsing.Actions;
 using System;
 using System.Collections.Generic;
 
@@ -10,7 +11,7 @@ namespace Cryville.Crtr.Browsing {
 
 		event Action ItemChanged;
 		bool IsReadOnly { get; }
-		bool ImportFrom(Uri uri);
+		IResourceAction GetImportAction();
 		void RemoveAt(int index);
 
 		void Activate();

Assets/Cryville/Crtr/Browsing/ISkinDetail.cs

@@ -0,0 +1,6 @@
+namespace Cryville.Crtr.Browsing {
+	internal interface ISkinDetail : IResourceMeta {
+		string RulesetId { get; }
+		string Name { get; }
+	}
+}

Assets/Cryville/Crtr/Browsing/ISkinDetail.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 38d9ea3c71d485a44ba9d335ddf95d67
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Cryville/Crtr/Browsing/Legacy.meta

@@ -1,5 +1,5 @@
 fileFormatVersion: 2
-guid: 1a624371d4108614b9cdc4acca1499e2
+guid: ee929ca432bd0ff41bee174081ef16df
 folderAsset: yes
 DefaultImporter:
   externalObjects: {}

Assets/Cryville/Crtr/Browsing/Legacy/LegacyChartDetail.cs

@@ -4,24 +4,29 @@ using System;
 using System.Collections.Generic;
 using UnityEngine;
 
-namespace Cryville.Crtr.Browsing {
-	public class ChartDetail : IResourceMeta {
+namespace Cryville.Crtr.Browsing.Legacy {
+	internal class LegacyChartDetail : IChartDetail {
 		public AsyncDelivery<Texture2D> Cover { get; set; }
 		public ChartMeta Meta { get; set; }
 
+		public string RulesetId { get { return Meta.ruleset; } }
+		public string Name { get { return Meta.name; } }
+		public string SongName { get { return Meta.song.name; } }
+		public TimeSpan Length { get { return TimeSpan.FromSeconds(Meta.length); } }
+
 		public IEnumerable<MetaProperty> Properties {
 			get {
 				if (Meta == null) yield break;
 				yield return new MetaProperty("Name", new Dictionary<string, object> {
-					{ "", string.Format("{0} - {1}", Meta.song.name, Meta.name) },
-					{ "short", Meta.name },
-					{ "distinct-primary", Meta.song.name },
-					{ "distinct-secondary", Meta.name },
+					{ "", string.Format("{0} - {1}", SongName, Name) },
+					{ "short", Name },
+					{ "distinct-primary", SongName },
+					{ "distinct-secondary", Name },
 				});
 				yield return new MetaProperty("Image", Cover);
 				yield return new MetaProperty("Song.Author", Meta.song.author);
 				yield return new MetaProperty("Author", Meta.author);
-				yield return new MetaProperty("Length", TimeSpan.FromSeconds(Meta.length));
+				yield return new MetaProperty("Length", Length);
 				yield return new MetaProperty("NoteCount", Meta.note_count);
 			}
 		}

Assets/Cryville/Crtr/Browsing/Legacy/LegacyChartResourceManager.cs

@@ -0,0 +1,46 @@
+using Cryville.Common;
+using Cryville.Common.Unity;
+using Cryville.Crtr.Browsing.Actions;
+using Cryville.Crtr.Extension;
+using Newtonsoft.Json;
+using System.IO;
+using UnityEngine;
+
+namespace Cryville.Crtr.Browsing.Legacy {
+	internal class LegacyChartResourceManager : LegacyResourceManager<LegacyChartDetail> {
+		protected override string Extension { get { return ".umgc"; } }
+
+		public LegacyChartResourceManager(LegacyResourceStore store) : base(store) { }
+
+		protected override string GetSubRootPath(string rootPath) {
+			return Path.Combine(rootPath, "charts");
+		}
+		protected override LegacyChartDetail GetMeta(DirectoryInfo dir) {
+			ChartMeta meta = null;
+			AsyncDelivery<Texture2D> cover = null;
+			var metaFile = new FileInfo(Path.Combine(dir.FullName, Extension));
+			if (metaFile.Exists) {
+				using (var reader = new StreamReader(metaFile.FullName)) {
+					meta = JsonConvert.DeserializeObject<ChartMeta>(reader.ReadToEnd());
+				}
+				if (meta.cover != null && meta.cover != "") {
+					var coverFile = dir.GetFiles(meta.cover);
+					if (coverFile.Length > 0) {
+						cover = new AsyncDelivery<Texture2D>();
+						var task = new LoadTextureTask(PlatformConfig.FileProtocolPrefix + coverFile[0].FullName, cover.Deliver);
+						cover.CancelSource = task.Cancel;
+						Game.NetworkTaskWorker.SubmitNetworkTask(task);
+					}
+				}
+			}
+			return new LegacyChartDetail {
+				Cover = cover,
+				Meta = meta,
+			};
+		}
+
+		public override IResourceAction GetImportAction() {
+			return _store.ImportAction;
+		}
+	}
+}

Assets/Cryville/Crtr/Browsing/Legacy/LegacyChartResourceManager.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 44f8b6ac1c92fea45b8acbec25f86e1b
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Cryville/Crtr/Browsing/Legacy/LegacyResourceManager.cs

@@ -0,0 +1,121 @@
+using Cryville.Crtr.Browsing.Actions;
+using Cryville.Crtr.Extension;
+using Newtonsoft.Json;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+
+namespace Cryville.Crtr.Browsing.Legacy {
+	internal abstract class LegacyResourceManager<T> : IPathedResourceManager<T> where T : IResourceMeta {
+		protected readonly LegacyResourceStore _store;
+		DirectoryInfo _cd;
+		readonly FileSystemWatcher _watcher = new();
+		DirectoryInfo[] _items = new DirectoryInfo[0];
+		DirectoryInfo[] _filteredItems = new DirectoryInfo[0];
+		string _filter = string.Empty;
+		readonly List<string> _dirParts = new();
+		readonly IList<string> m_dirParts;
+		public IList<string> CurrentDirectory { get { return m_dirParts; } }
+		public int Count { get { return _filteredItems.Length; } }
+
+		public event Action ItemChanged;
+		public event Action DirectoryChanged;
+
+		public LegacyResourceManager(LegacyResourceStore store) {
+			_store = store;
+			_store.ResourceImported += ReloadFiles;
+			m_dirParts = _dirParts.AsReadOnly();
+			_watcher.Changed += OnFileChanged;
+			_watcher.Created += OnFileChanged;
+			_watcher.Deleted += OnFileChanged;
+			_watcher.Renamed += OnFileChanged;
+			_watcher.Error += OnFileWatcherError;
+			OnDirectoryChange();
+		}
+
+		void OnFileWatcherError(object sender, ErrorEventArgs e) {
+			Game.MainLogger.Log(4, "Data", "An error occurred while watching file changes: {0}", e.GetException());
+		}
+		void OnFileChanged(object sender, FileSystemEventArgs e) {
+			ReloadFiles();
+		}
+
+		public void Activate() {
+			_watcher.EnableRaisingEvents = !string.IsNullOrEmpty(_watcher.Path);
+		}
+		public void Deactivate() {
+			_watcher.EnableRaisingEvents = false;
+		}
+
+		protected abstract string GetSubRootPath(string rootPath);
+		protected void ReloadFiles() {
+			_items = _cd.GetDirectories();
+			ApplyFilter();
+		}
+		void OnDirectoryChange() {
+			string path = Path.Combine(GetSubRootPath(_store.RootPath), string.Join(Path.DirectorySeparatorChar, _dirParts));
+			_cd = new DirectoryInfo(path);
+			_watcher.Path = path;
+			_watcher.EnableRaisingEvents = true;
+			ReloadFiles();
+			DirectoryChanged?.Invoke();
+		}
+		public void ChangeDirectory(IEnumerable<string> dir) {
+			_dirParts.Clear();
+			foreach (string dirPart in dir) _dirParts.Add(dirPart);
+			OnDirectoryChange();
+		}
+		public bool IsDirectory(int index) {
+			return _filteredItems[index].GetFiles(Extension).Length == 0;
+		}
+		public void OpenDirectory(int index) {
+			_dirParts.Add(_filteredItems[index].Name);
+			OnDirectoryChange();
+		}
+		public void ReturnToDirectory(int index) {
+			_dirParts.RemoveRange(index + 1, _dirParts.Count - index - 1);
+			OnDirectoryChange();
+		}
+
+		public void ApplyFilter(string filter) {
+			_filter = filter;
+			ApplyFilter();
+		}
+		void ApplyFilter() {
+			IEnumerable<DirectoryInfo> items = _items;
+			foreach (var keyword in _filter.Split(' ', StringSplitOptions.RemoveEmptyEntries)) {
+				items = items.Where(i => i.Name.Contains(keyword, StringComparison.CurrentCultureIgnoreCase));
+			}
+			_filteredItems = items.ToArray();
+			ItemChanged?.Invoke();
+		}
+
+		protected abstract T GetMeta(DirectoryInfo dir);
+		public T this[int index] {
+			get {
+				var item = _filteredItems[index];
+				return GetMeta(item);
+			}
+		}
+		IResourceMeta IResourceManager.this[int index] { get { return this[index]; } }
+
+		protected abstract string Extension { get; }
+		public Uri GetItemUri(int index) {
+			var item = _filteredItems[index];
+			var meta = new ChartMeta();
+			var metaFile = new FileInfo(Path.Combine(item.FullName, Extension));
+			using (var reader = new StreamReader(metaFile.FullName)) {
+				meta = JsonConvert.DeserializeObject<ChartMeta>(reader.ReadToEnd());
+			}
+			return new Uri(PlatformConfig.FileProtocolPrefix + Path.Combine(_filteredItems[index].FullName, string.Format("{0}.json", meta.data)));
+		}
+
+		public bool IsReadOnly { get { return false; } }
+		public void RemoveAt(int index) {
+			_filteredItems[index].Delete(true);
+		}
+
+		public abstract IResourceAction GetImportAction();
+	}
+}

Assets/Cryville/Crtr/Browsing/Legacy/LegacyResourceStore.cs

@@ -1,150 +1,40 @@
-using Cryville.Common;
-using Cryville.Common.Unity;
 using Cryville.Crtr.Extension;
-using Cryville.Crtr.Extensions;
 using Cryville.Crtr.Extensions.Umg;
+using Cryville.Crtr.Extensions;
 using Cryville.Crtr.UI;
 using Newtonsoft.Json;
-using System;
 using System.Collections.Generic;
 using System.IO;
+using System;
 using System.Linq;
-using UnityEngine;
+using Cryville.Crtr.Browsing.Actions;
 
-namespace Cryville.Crtr.Browsing {
-	internal class LegacyResourceManager : IPathedResourceManager<ChartDetail> {
-		readonly string _rootPath;
-		DirectoryInfo _cd;
-		readonly FileSystemWatcher _watcher = new FileSystemWatcher();
-		DirectoryInfo[] _items = new DirectoryInfo[0];
-		DirectoryInfo[] _filteredItems = new DirectoryInfo[0];
-		string _filter = string.Empty;
-		readonly List<string> _dirParts = new List<string>();
-		readonly IList<string> m_dirParts;
-		public IList<string> CurrentDirectory { get { return m_dirParts; } }
-		public int Count { get { return _filteredItems.Length; } }
+namespace Cryville.Crtr.Browsing.Legacy {
+	internal class LegacyResourceStore : IResourceDestination {
+		public string RootPath { get; private set; }
+		public IResourceAction ImportAction { get; private set; }
+		public event Action ResourceImported;
 
 		static bool _init;
-
-		public event Action ItemChanged;
-		public event Action DirectoryChanged;
-
-		public LegacyResourceManager(string rootPath) {
-			_rootPath = rootPath;
+		public LegacyResourceStore(string rootPath) {
+			RootPath = rootPath;
+			ImportAction = new ImportResourceAction(this);
 			if (!_init) {
 				_init = true;
 				ExtensionManager.Init(rootPath);
 			}
-			m_dirParts = _dirParts.AsReadOnly();
-			_watcher.Changed += OnFileChanged;
-			_watcher.Created += OnFileChanged;
-			_watcher.Deleted += OnFileChanged;
-			_watcher.Renamed += OnFileChanged;
-			_watcher.Error += OnFileWatcherError;
-			OnDirectoryChange();
 		}
 
-		void OnFileWatcherError(object sender, ErrorEventArgs e) {
-			Game.MainLogger.Log(4, "Data", "An error occurred while watching file changes: {0}", e.GetException());
+		public bool CanImport(Uri uri) {
+			if (!uri.IsFile) return false;
+			return CanImportFile(new FileInfo(uri.LocalPath));
 		}
-		void OnFileChanged(object sender, FileSystemEventArgs e) {
-			ReloadFiles();
-		}
-
-		public void Activate() {
-			_watcher.EnableRaisingEvents = !string.IsNullOrEmpty(_watcher.Path);
-		}
-		public void Deactivate() {
-			_watcher.EnableRaisingEvents = false;
-		}
-
-		void ReloadFiles() {
-			_items = _cd.GetDirectories();
-			ApplyFilter();
-		}
-		void OnDirectoryChange() {
-			string path = Path.Combine(_rootPath, "charts", string.Join(Path.DirectorySeparatorChar, _dirParts));
-			_cd = new DirectoryInfo(path);
-			_watcher.Path = path;
-			_watcher.EnableRaisingEvents = true;
-			ReloadFiles();
-			DirectoryChanged?.Invoke();
-		}
-		public void ChangeDirectory(IEnumerable<string> dir) {
-			_dirParts.Clear();
-			foreach (string dirPart in dir) _dirParts.Add(dirPart);
-			OnDirectoryChange();
-		}
-		public bool IsDirectory(int index) { return false; }
-		public void OpenDirectory(int index) {
-			_dirParts.Add(_filteredItems[index].Name);
-			OnDirectoryChange();
-		}
-		public void ReturnToDirectory(int index) {
-			_dirParts.RemoveRange(index + 1, _dirParts.Count - index - 1);
-			OnDirectoryChange();
-		}
-
-		public void ApplyFilter(string filter) {
-			_filter = filter;
-			ApplyFilter();
-		}
-		void ApplyFilter() {
-			IEnumerable<DirectoryInfo> items = _items;
-			foreach (var keyword in _filter.Split(' ', StringSplitOptions.RemoveEmptyEntries)) {
-				items = items.Where(i => i.Name.Contains(keyword, StringComparison.CurrentCultureIgnoreCase));
-			}
-			_filteredItems = items.ToArray();
-			ItemChanged?.Invoke();
-		}
-
-		public ChartDetail this[int index] {
-			get {
-				var item = _filteredItems[index];
-				ChartMeta meta = null;
-				AsyncDelivery<Texture2D> cover = null;
-				var metaFile = new FileInfo(Path.Combine(item.FullName, ".umgc"));
-				if (metaFile.Exists) {
-					using (var reader = new StreamReader(metaFile.FullName)) {
-						meta = JsonConvert.DeserializeObject<ChartMeta>(reader.ReadToEnd());
-					}
-					if (meta.cover != null && meta.cover != "") {
-						var coverFile = item.GetFiles(meta.cover);
-						if (coverFile.Length > 0) {
-							cover = new AsyncDelivery<Texture2D>();
-							var task = new LoadTextureTask(PlatformConfig.FileProtocolPrefix + coverFile[0].FullName, cover.Deliver);
-							cover.CancelSource = task.Cancel;
-							Game.NetworkTaskWorker.SubmitNetworkTask(task);
-						}
-					}
-				}
-				return new ChartDetail {
-					Cover = cover,
-					Meta = meta,
-				};
-			}
-		}
-		IResourceMeta IResourceManager.this[int index] { get { return this[index]; } }
-
-		public Uri GetItemUri(int index) {
-			var item = _filteredItems[index];
-			var meta = new ChartMeta();
-			var metaFile = new FileInfo(Path.Combine(item.FullName, ".umgc"));
-			using (var reader = new StreamReader(metaFile.FullName)) {
-				meta = JsonConvert.DeserializeObject<ChartMeta>(reader.ReadToEnd());
-			}
-			return new Uri(PlatformConfig.FileProtocolPrefix + Path.Combine(_filteredItems[index].FullName, string.Format("{0}.json", meta.data)));
-		}
-
-		public bool IsReadOnly { get { return false; } }
-		public void RemoveAt(int index) {
-			_filteredItems[index].Delete(true);
+		protected bool CanImportFile(FileInfo file) {
+			return !file.FullName.StartsWith(new DirectoryInfo(RootPath).FullName);
 		}
 		public bool ImportFrom(Uri uri) {
-			if (!uri.IsFile) throw new NotSupportedException();
 			var file = new FileInfo(uri.LocalPath);
-			IEnumerable<ResourceConverter> converters;
-			if (!ExtensionManager.TryGetConverters(file.Extension, out converters)) return false;
+			if (!ExtensionManager.TryGetConverters(file.Extension, out IEnumerable<ResourceConverter> converters)) return false;
 			foreach (var converter in converters) {
 				var resources = new List<Resource>();
 				var ses = new ConversionSession {
@@ -163,7 +53,7 @@ namespace Cryville.Crtr.Browsing {
 					}
 					else if (res is RawChartResource) {
 						var tres = (RawChartResource)res;
-						var dir = new DirectoryInfo(Path.Combine(_rootPath, "charts", res.Name));
+						var dir = new DirectoryInfo(Path.Combine(RootPath, "charts", res.Name));
 						if (!dir.Exists) dir.Create();
 						using (var writer = new StreamWriter(Path.Combine(dir.FullName, ".json"))) {
 							writer.Write(JsonConvert.SerializeObject(ConvertChartData(tres.Main), Game.GlobalJsonSerializerSettings));
@@ -178,23 +68,22 @@ namespace Cryville.Crtr.Browsing {
 								coverFile.CopyTo(Path.Combine(dir.FullName, tres.Meta.cover), true);
 						}
 					}
-					else if (res is FileResource) {
-						var tres = (FileResource)res;
+					else if (res is FileResource tres) {
 						DirectoryInfo dest;
 						bool singleFileFlag = false;
 						if (res is ChartResource)
-							dest = new DirectoryInfo(Path.Combine(_rootPath, "charts", res.Name));
+							dest = new DirectoryInfo(Path.Combine(RootPath, "charts", res.Name));
 						else if (res is ExtensionResource) {
-							dest = new DirectoryInfo(Path.Combine(_rootPath, "extensions"));
+							dest = new DirectoryInfo(Path.Combine(RootPath, "extensions"));
 							singleFileFlag = true;
 							Popup.Create("Please restart the game to reload the extensions");
 						}
 						else if (res is RulesetResource)
-							dest = new DirectoryInfo(Path.Combine(_rootPath, "rulesets", res.Name));
+							dest = new DirectoryInfo(Path.Combine(RootPath, "rulesets", res.Name));
 						else if (res is SkinResource)
-							dest = new DirectoryInfo(Path.Combine(_rootPath, "skins", (res as SkinResource).RulesetName, res.Name));
+							dest = new DirectoryInfo(Path.Combine(RootPath, "skins", (res as SkinResource).RulesetName, res.Name));
 						else if (res is SongResource)
-							dest = new DirectoryInfo(Path.Combine(_rootPath, "songs", res.Name));
+							dest = new DirectoryInfo(Path.Combine(RootPath, "songs", res.Name));
 						else {
 							LogAndPopup(3, "Attempt to import unsupported file resource: {0}", res);
 							continue;
@@ -213,7 +102,7 @@ namespace Cryville.Crtr.Browsing {
 						LogAndPopup(3, "Attempt to import unsupported resource: {0}", res);
 					}
 				}
-				ReloadFiles();
+				ResourceImported?.Invoke();
 				return true;
 			}
 			return false;

Assets/Cryville/Crtr/Browsing/Legacy/LegacyResourceStore.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: af4d457931ff3e84fa84fc719290be46
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Cryville/Crtr/Browsing/Legacy/LegacySkinDetail.cs

@@ -0,0 +1,24 @@
+using Cryville.Crtr.Skin;
+using System.Collections.Generic;
+
+namespace Cryville.Crtr.Browsing.Legacy {
+	internal class LegacySkinDetail : ISkinDetail {
+		public string RulesetId { get { return Meta.ruleset; } }
+		public string Name { get { return Meta == null ? OverrideName : Meta.name; } }
+		public string OverrideName { get; internal set; }
+		public SkinDefinition Meta { get; internal set; }
+
+		public IEnumerable<MetaProperty> Properties {
+			get {
+				if (Meta == null) {
+					if (OverrideName != null)
+						yield return new MetaProperty("Name", OverrideName);
+					yield break;
+				}
+				yield return new MetaProperty("Name", Meta.name);
+				yield return new MetaProperty("Author", Meta.author);
+				yield return new MetaProperty("Ruleset", Meta.ruleset);
+			}
+		}
+	}
+}

Assets/Cryville/Crtr/Browsing/Legacy/LegacySkinDetail.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 4ddcc342c96a91942a7807625bdfd227
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Cryville/Crtr/Browsing/Legacy/LegacySkinResourceManager.cs

@@ -0,0 +1,32 @@
+using Cryville.Crtr.Browsing.Actions;
+using Cryville.Crtr.Skin;
+using Newtonsoft.Json;
+using System.IO;
+
+namespace Cryville.Crtr.Browsing.Legacy {
+	internal class LegacySkinResourceManager : LegacyResourceManager<LegacySkinDetail> {
+		protected override string Extension { get { return ".umgs"; } }
+
+		public LegacySkinResourceManager(LegacyResourceStore store) : base(store) { }
+
+		protected override string GetSubRootPath(string rootPath) {
+			return Path.Combine(rootPath, "skins");
+		}
+		protected override LegacySkinDetail GetMeta(DirectoryInfo dir) {
+			SkinDefinition meta = null;
+			var metaFile = new FileInfo(Path.Combine(dir.FullName, Extension));
+			if (metaFile.Exists) {
+				using (var reader = new StreamReader(metaFile.FullName)) {
+					meta = JsonConvert.DeserializeObject<SkinDefinition>(reader.ReadToEnd());
+				}
+				return new LegacySkinDetail { Meta = meta };
+			}
+			else
+				return new LegacySkinDetail { OverrideName = dir.Name };
+		}
+
+		public override IResourceAction GetImportAction() {
+			return _store.ImportAction;
+		}
+	}
+}

Assets/Cryville/Crtr/Browsing/Legacy/LegacySkinResourceManager.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 323eaa68e1ba1f04498393c41a85a3ed
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Cryville/Crtr/Browsing/UI/BrowserItemTile.cs

@@ -31,7 +31,7 @@ namespace Cryville.Crtr.Browsing.UI {
 			OnReset();
 		}
 		protected override void OnReset() {
-			if (_cover != null) _cover.Cancel();
+			_cover?.Cancel();
 			if (m_icon.sprite != null && m_icon.sprite != m_iconPlaceholder) {
 				Destroy(m_icon.sprite.texture);
 				Destroy(m_icon.sprite);
@@ -43,19 +43,23 @@ namespace Cryville.Crtr.Browsing.UI {
 			m_icon.sprite = m_iconPlaceholder;
 			m_desc.text = string.Empty;
 
-			var basicProps = Meta.EnumerateBasicProperties(true).GetEnumerator();
-			if (basicProps.MoveNext()) {
-				m_title.text = basicProps.Current.Value.ToString();
+			bool validFlag = false;
+			if (Meta != null) {
+				var basicProps = Meta.EnumerateBasicProperties(true).GetEnumerator();
 				if (basicProps.MoveNext()) {
-					m_desc.text = basicProps.Current.Value.ToString();
+					m_title.text = basicProps.Current.Value.ToString();
+					if (basicProps.MoveNext()) {
+						m_desc.text = basicProps.Current.Value.ToString();
+					}
+					validFlag = true;
 				}
+
+				_cover = Meta.EnumerateProperties<AsyncDelivery<Texture2D>>().FirstOrDefault().Value;
 			}
-			else {
+			if (!validFlag) {
 				m_title.text = "<color=#ff0000>Invalid resource</color>";
 			}
 
-			_cover = Meta.EnumerateProperties<AsyncDelivery<Texture2D>>().FirstOrDefault().Value;
-
 			if (_cover != null) _cover.Destination = DisplayCover;
 			if (IsDir) _tweener.EnterState("Directory");
 			if (selected) _tweener.EnterState("Selected");

Assets/Cryville/Crtr/Browsing/UI/BrowserTabLayout.cs

@@ -79,8 +79,7 @@ namespace Cryville.Crtr.Browsing.UI {
 		protected override void OnEnable() {
 			base.OnEnable();
 			m_layoutMinWidth = GetTargetLayoutMinWidth();
-			if (_tweener == null)
-				_tweener = new PropertyTweener<float>(
+			_tweener ??= new PropertyTweener<float>(
 					() => m_layoutMinWidth,
 					v => UpdateLayoutMinWidth(v),
 					Tweeners.Float.With(EasingFunctions.OutQuad)

Assets/Cryville/Crtr/Browsing/UI/DetailPanel.cs

@@ -72,7 +72,7 @@ namespace Cryville.Crtr.Browsing.UI {
 		}
 
 		void DestroyDynamicResources() {
-			if (_image != null) _image.Cancel();
+			_image?.Cancel();
 			if (m_cover.sprite != null && m_cover.sprite != m_coverPlaceholder) {
 				Destroy(m_cover.sprite.texture);
 				Destroy(m_cover.sprite);

Assets/Cryville/Crtr/Browsing/UI/PathedResourceBrowser.cs

@@ -34,13 +34,15 @@ namespace Cryville.Crtr.Browsing.UI {
 		IResourceAction _importAction;
 		readonly IResourceAction[] _importActionArray = new IResourceAction[1];
 
-		readonly HashSet<int> _selectedItems = new HashSet<int>();
-		readonly Dictionary<int, BrowserItem> _items = new Dictionary<int, BrowserItem>();
+		readonly HashSet<int> _selectedItems = new();
+		readonly Dictionary<int, BrowserItem> _items = new();
 
+		bool _destroyed;
 		protected virtual void Start() {
 			m_itemContainer.LoadItem = LoadItem;
 		}
 		void OnDestroy() {
+			_destroyed = true;
 			UnregisterManager();
 		}
 		void UnregisterManager() {
@@ -50,10 +52,10 @@ namespace Cryville.Crtr.Browsing.UI {
 		}
 
 		void OnEnable() {
-			if (_manager != null) _manager.Activate();
+			_manager?.Activate();
 		}
 		void OnDisable() {
-			if (_manager != null) _manager.Deactivate();
+			_manager?.Deactivate();
 		}
 
 		public void Init(IPathedResourceManager<IResourceMeta> manager) {
@@ -65,7 +67,7 @@ namespace Cryville.Crtr.Browsing.UI {
 			_manager.ItemChanged += OnItemChanged;
 			_manager.DirectoryChanged += OnDirectoryChanged;
 			if (!_manager.IsReadOnly) {
-				Master.Actions.Register(_importAction = new ImportResourceAction(_manager));
+				Master.Actions.Register(_importAction = _manager.GetImportAction());
 				_importActionArray[0] = _importAction;
 			}
 			foreach (var tool in m_writeTools) tool.interactable = !_manager.IsReadOnly;
@@ -116,20 +118,27 @@ namespace Cryville.Crtr.Browsing.UI {
 				_selectedItems.Clear();
 				_items[id].OnSelect();
 				_selectedItems.Add(id);
-				var res = _manager[id];
-				m_detailPanel.Load(res);
-				if (_selectedItems.Count == 1) {
-					LoadActions(res);
+				try {
+					var res = _manager[id];
+					m_detailPanel.Load(res);
+					if (_selectedItems.Count == 1) {
+						LoadActions(_manager.GetItemUri(id), res);
+					}
+				}
+				catch (Exception ex) {
+					Popup.CreateException(ex);
 				}
 			}
 		}
 		internal override void OnActionsChanged() {
+			if (_destroyed) return;
 			if (_selectedItems.Count == 1) {
-				LoadActions(_manager[_selectedItems.Single()]);
+				int id = _selectedItems.Single();
+				LoadActions(_manager.GetItemUri(id), _manager[id]);
 			}
 		}
-		void LoadActions(IResourceMeta res) {
-			m_actionBar.Load(this, Master.Actions.GetActions(res.GetType()).Except(_importActionArray));
+		void LoadActions(Uri uri, IResourceMeta res) {
+			m_actionBar.Load(this, Master.Actions.GetActions(uri, res).Except(_importActionArray));
 		}
 
 		public void OnPathClicked(int index) {
@@ -169,7 +178,13 @@ namespace Cryville.Crtr.Browsing.UI {
 				return;
 			}
 			foreach (var i in _selectedItems) {
-				action.Invoke(_manager.GetItemUri(i), _manager[i]);
+				try {
+					action.Invoke(_manager.GetItemUri(i), _manager[i]);
+				}
+				catch (Exception ex) {
+					Dialog.Show(null, ex.Message);
+					Game.MainLogger.Log(4, "Config", "An error occurred while running the action: {0}", ex);
+				}
 			}
 		}
 	}

Assets/Cryville/Crtr/Browsing/UI/ResourceBrowserMaster.cs

@@ -1,5 +1,6 @@
 using Cryville.Common.Unity;
 using Cryville.Crtr.Browsing.Actions;
+using Cryville.Crtr.Browsing.Legacy;
 using System.Collections.Generic;
 using UnityEngine;
 
@@ -20,8 +21,8 @@ namespace Cryville.Crtr.Browsing.UI {
 		internal GameObject m_configBrowserPrefab;
 
 		BrowserTab _currentTab;
-		readonly Dictionary<int, BrowserTab> _tabMap = new Dictionary<int, BrowserTab>();
-		readonly Dictionary<BrowserTab, ResourceBrowser> _tabs = new Dictionary<BrowserTab, ResourceBrowser>();
+		readonly Dictionary<int, BrowserTab> _tabMap = new();
+		readonly Dictionary<BrowserTab, ResourceBrowser> _tabs = new();
 
 		public ActionManager Actions { get; private set; }
 
@@ -32,11 +33,18 @@ namespace Cryville.Crtr.Browsing.UI {
 			Actions.Changed += OnActionsChanged;
 			Actions.Register(new PlayChartAction());
 			Actions.Register(new OpenConfigAction());
+			Actions.Register(new UseSkinAction());
 
-			OnTabClicked(AddPathedBrowserTab("Local", new LegacyResourceManager(Settings.Default.GameDataPath)));
+			var legacyStore = new LegacyResourceStore(Settings.Default.GameDataPath);
+			OnTabClicked(AddPathedBrowserTab("Local Charts", new LegacyChartResourceManager(legacyStore)));
+			AddPathedBrowserTab("Local Skins", new LegacySkinResourceManager(legacyStore));
 			AddPathedBrowserTab("Files", new FileSystemResourceManager());
 			AddTab("Settings", InitBrowser(m_settingsBrowser), _tabs.Count, false);
 		}
+		protected override void OnDestroy() {
+			base.OnDestroy();
+			Actions.Changed -= OnActionsChanged;
+		}
 
 		BrowserTab AddPathedBrowserTab(string name, IPathedResourceManager<IResourceMeta> manager) {
 			var browser = InitBrowser(Instantiate(m_pathedBrowserPrefab, m_browserContainer, false).GetComponent<PathedResourceBrowser>());
@@ -65,9 +73,11 @@ namespace Cryville.Crtr.Browsing.UI {
 			OnTabClicked(tab);
 			return tab.GetHashCode();
 		}
+		public bool HasTab(int id) {
+			return _tabMap.ContainsKey(id);
+		}
 		public bool TryOpenTab(int id) {
-			BrowserTab tab;
-			if (_tabMap.TryGetValue(id, out tab)) {
+			if (_tabMap.TryGetValue(id, out BrowserTab tab)) {
 				OnTabClicked(tab);
 				return true;
 			}

Assets/Cryville/Crtr/Browsing/UI/RulesetConfigBrowser.cs

@@ -22,29 +22,30 @@ namespace Cryville.Crtr.Browsing.UI {
 		[SerializeField]
 		InputConfigPanel m_inputConfigPanel;
 
-		public RulesetDefinition ruleset;
+		RulesetDefinition _ruleset;
 		RulesetConfig _rscfg;
 
-		string _rulesetName;
+		public string RulesetName { get; private set; }
+		UseSkinAction _useSkinAction;
 		bool _loaded;
 
-		public void Load(string rulesetName) {
-			_rulesetName = rulesetName;
-			FileInfo file = new FileInfo(Path.Combine(
+		public void Load(string rulesetName, Action<RulesetConfig> overrides = null) {
+			RulesetName = rulesetName;
+			FileInfo file = new(Path.Combine(
 				Game.GameDataPath, "rulesets", rulesetName, ".umgr"
 			));
 			if (!file.Exists) {
-				throw new FileNotFoundException("Ruleset for the chart not found\nMake sure you have imported the ruleset");
+				throw new FileNotFoundException("Ruleset for the resource not found\nMake sure you have imported the ruleset");
 			}
 			DirectoryInfo dir = file.Directory;
-			using (StreamReader reader = new StreamReader(file.FullName, Encoding.UTF8)) {
-				ruleset = JsonConvert.DeserializeObject<RulesetDefinition>(reader.ReadToEnd(), new JsonSerializerSettings() {
+			using (StreamReader reader = new(file.FullName, Encoding.UTF8)) {
+				_ruleset = JsonConvert.DeserializeObject<RulesetDefinition>(reader.ReadToEnd(), new JsonSerializerSettings() {
 					MissingMemberHandling = MissingMemberHandling.Error
 				});
-				if (ruleset.format != RulesetDefinition.CURRENT_FORMAT) throw new FormatException("Invalid ruleset file version");
-				ruleset.LoadPdt(dir);
+				if (_ruleset.format != RulesetDefinition.CURRENT_FORMAT) throw new FormatException("Invalid ruleset file version");
+				_ruleset.LoadPdt(dir);
 			}
-			FileInfo cfgfile = new FileInfo(Path.Combine(
+			FileInfo cfgfile = new(Path.Combine(
 				Game.GameDataPath, "config", "rulesets", rulesetName + ".json"
 			));
 			if (!cfgfile.Exists) {
@@ -52,19 +53,30 @@ namespace Cryville.Crtr.Browsing.UI {
 				_rscfg = new RulesetConfig();
 			}
 			else {
-				using (StreamReader cfgreader = new StreamReader(cfgfile.FullName, Encoding.UTF8)) {
-					_rscfg = JsonConvert.DeserializeObject<RulesetConfig>(cfgreader.ReadToEnd(), new JsonSerializerSettings() {
-						MissingMemberHandling = MissingMemberHandling.Error
-					});
-				}
+				using StreamReader cfgreader = new(cfgfile.FullName, Encoding.UTF8);
+				_rscfg = JsonConvert.DeserializeObject<RulesetConfig>(cfgreader.ReadToEnd(), new JsonSerializerSettings() {
+					MissingMemberHandling = MissingMemberHandling.Error
+				});
 			}
 
+			overrides?.Invoke(_rscfg);
+
 			m_genericConfigPanel.Adapter = new DefaultPropertyMasterAdapter(_rscfg.generic);
-			m_rulesetConfigPanel.Adapter = new RulesetConfigPropertyMasterAdapter(ruleset.Root.configs, _rscfg.configs);
-			m_inputConfigPanel.Load(ruleset.Root, _rscfg);
+			m_rulesetConfigPanel.Adapter = new RulesetConfigPropertyMasterAdapter(_ruleset.Root.configs, _rscfg.configs);
+			m_inputConfigPanel.Load(_ruleset.Root, _rscfg);
 
 			_loaded = true;
 		}
+		public void InitAction() {
+			Master.Actions.Register(_useSkinAction = new UseSkinAction(this));
+		}
+		void OnDestroy() {
+			if (_loaded) Master.Actions.Unregister(_useSkinAction);
+		}
+
+		public void SetSkin(string skin) {
+			_rscfg.generic.Skin = skin;
+		}
 
 		public void SwitchCategory(GameObject cat) {
 			foreach (Transform c in m_content) {
@@ -73,15 +85,17 @@ namespace Cryville.Crtr.Browsing.UI {
 			cat.SetActive(true);
 		}
 
+		void OnEnable() {
+			m_genericConfigPanel.InvalidatePropertyValues();
+		}
 		void OnDisable() {
 			if (_loaded) {
 				m_inputConfigPanel.SaveTo(_rscfg.inputs);
-				FileInfo cfgFile = new FileInfo(Path.Combine(
-					Game.GameDataPath, "config", "rulesets", _rulesetName + ".json"
+				FileInfo cfgFile = new(Path.Combine(
+					Game.GameDataPath, "config", "rulesets", RulesetName + ".json"
 				));
-				using (StreamWriter cfgWriter = new StreamWriter(cfgFile.FullName, false, Encoding.UTF8)) {
-					cfgWriter.Write(JsonConvert.SerializeObject(_rscfg, Game.GlobalJsonSerializerSettings));
-				}
+				using StreamWriter cfgWriter = new(cfgFile.FullName, false, Encoding.UTF8);
+				cfgWriter.Write(JsonConvert.SerializeObject(_rscfg, Game.GlobalJsonSerializerSettings));
 			}
 		}
 

Assets/Cryville/Crtr/BuiltinResources.cs

@@ -6,13 +6,13 @@ using UnityEngine;
 namespace Cryville.Crtr {
 	public static class BuiltinResources {
 		public static Dictionary<string, Type> Components
-			= new Dictionary<string, Type>();
+			= new();
 		public static Dictionary<string, Shader> Shaders
-			= new Dictionary<string, Shader>();
+			= new();
 		public static Dictionary<string, Mesh> Meshes
-			= new Dictionary<string, Mesh>();
+			= new();
 		public static Dictionary<string, Material> Materials
-			= new Dictionary<string, Material>();
+			= new();
 
 		static bool loaded;
 

Assets/Cryville/Crtr/Chart.cs

@@ -18,7 +18,7 @@ namespace Cryville.Crtr {
 	}
 	public abstract class ChartEvent {
 		public BeatTime? time;
-		
+
 		[JsonIgnore]
 		public float BeatPosition {
 			get {
@@ -27,7 +27,7 @@ namespace Cryville.Crtr {
 		}
 
 		public BeatTime? endtime;
-		
+
 		[JsonIgnore]
 		public float EndBeatPosition {
 			get {
@@ -35,10 +35,10 @@ namespace Cryville.Crtr {
 				return (float)endtime.Value.Decimal + BeatOffset;
 			}
 		}
-		
+
 		[JsonIgnore]
 		public float BeatOffset;
-		
+
 		[JsonIgnore]
 		public abstract int Priority { get; }
 
@@ -66,8 +66,7 @@ namespace Cryville.Crtr {
 		[JsonIgnore]
 		public ReleaseEvent ReleaseEvent {
 			get {
-				if (relev == null) relev = new ReleaseEvent(this);
-				return relev;
+				return relev ??= new ReleaseEvent(this);
 			}
 		}
 
@@ -96,15 +95,15 @@ namespace Cryville.Crtr {
 			SubmitPropOp("endtime", new PropOp.BeatTime(v => endtime = v));
 		}
 	}
-	
+
 	public class ReleaseEvent : ChartEvent {
 		public readonly ChartEvent Original;
-		
+
 		public ReleaseEvent(ChartEvent orig) {
 			Original = orig;
 			time = orig.endtime;
 		}
-		
+
 		public override int Priority {
 			get {
 				return Original.Priority + 1;
@@ -112,7 +111,7 @@ namespace Cryville.Crtr {
 		}
 	}
 	public abstract class EventContainer : ChartEvent {
-		public List<Chart.Motion> motions = new List<Chart.Motion>();
+		public List<Chart.Motion> motions = new();
 
 		[JsonIgnore]
 		public Clip Clip { get; private set; }
@@ -120,7 +119,7 @@ namespace Cryville.Crtr {
 		public EventContainer() {
 			SubmitPropOp("clip", new PropOp.Clip(v => Clip = v));
 		}
-		
+
 		[JsonIgnore]
 		public virtual IEnumerable<ChartEvent> Events {
 			get {
@@ -128,12 +127,10 @@ namespace Cryville.Crtr {
 			}
 		}
 
-		public virtual EventList GetEventsOfType(string type) {
-			switch (type) {
-				case "motions": return new EventList<Chart.Motion>(motions);
-				default: throw new ArgumentException(string.Format("Unknown event type \"{0}\"", type));
-			}
-		}
+		public virtual EventList GetEventsOfType(string type) => type switch {
+			"motions" => new EventList<Chart.Motion>(motions),
+			_ => throw new ArgumentException(string.Format("Unknown event type \"{0}\"", type)),
+		};
 	}
 	public abstract class EventList : ChartEvent {
 		public IList<ChartEvent> Events { get; private set; }
@@ -178,8 +175,8 @@ namespace Cryville.Crtr {
 
 		public string ruleset;
 
-		public List<Group> groups = new List<Group>();
-		
+		public List<Group> groups = new();
+
 		public override IEnumerable<ChartEvent> Events {
 			get {
 				return base.Events
@@ -189,33 +186,29 @@ namespace Cryville.Crtr {
 			}
 		}
 
-		public override EventList GetEventsOfType(string type) {
-			switch (type) {
-				case "groups": return new EventList<Group>(groups);
-				default: return base.GetEventsOfType(type);
-			}
-		}
+		public override EventList GetEventsOfType(string type) => type switch {
+			"groups" => new EventList<Group>(groups),
+			_ => base.GetEventsOfType(type),
+		};
 
 		public override int Priority { get { return 10; } }
 
 		public class Group : EventContainer {
-			public List<Track> tracks = new List<Track>();
-			public List<Note> notes = new List<Note>();
+			public List<Track> tracks = new();
+			public List<Note> notes = new();
 			public override IEnumerable<ChartEvent> Events {
 				get {
-					return base.Events 
+					return base.Events
 						.Concat(notes.Cast<ChartEvent>()
 						.Concat(tracks.Cast<ChartEvent>()
 					));
 				}
 			}
-			public override EventList GetEventsOfType(string type) {
-				switch (type) {
-					case "tracks": return new EventList<Track>(tracks);
-					case "notes": return new EventList<Note>(notes);
-					default: return base.GetEventsOfType(type);
-				}
-			}
+			public override EventList GetEventsOfType(string type) => type switch {
+				"tracks" => new EventList<Track>(tracks),
+				"notes" => new EventList<Note>(notes),
+				_ => base.GetEventsOfType(type),
+			};
 			public override int Priority { get { return 12; } }
 		}
 
@@ -228,8 +221,8 @@ namespace Cryville.Crtr {
 			string m_motion;
 			[JsonRequired]
 			public string motion {
-				get { return m_motion == null ? ToString() : m_motion; }
-				set { LoadFromString(value); }
+				get => m_motion ?? ToString();
+				set => LoadFromString(value);
 			}
 #pragma warning restore IDE1006
 			private void LoadFromString(string s) {
@@ -264,12 +257,11 @@ namespace Cryville.Crtr {
 			[JsonIgnore]
 			public Identifier Name {
 				get {
-					if (name == default(Identifier)) throw new InvalidOperationException("Motion name not set");
+					if (name == default) throw new InvalidOperationException("Motion name not set");
 					return name;
 				}
 				private set {
-					MotionRegistry reg;
-					if (!ChartPlayer.motionRegistry.TryGetValue(value, out reg))
+					if (!ChartPlayer.motionRegistry.TryGetValue(value, out MotionRegistry reg))
 						throw new ArgumentException("Invalid motion name");
 					Node = new MotionNode { Value = reg.InitValue };
 					name = value;
@@ -293,7 +285,7 @@ namespace Cryville.Crtr {
 				SubmitPropOp("name", new PropOp.Identifier(v => {
 					var n = new Identifier(v);
 					if (name == n) { }
-					else if (name == default(Identifier)) Name = n;
+					else if (name == default) Name = n;
 					else throw new RulesetViolationException(string.Format(
 						"Motion name not matched, expected {0}, got {1}", n, Name
 					));
@@ -306,7 +298,7 @@ namespace Cryville.Crtr {
 		}
 
 		public class Note : EventContainer {
-			public List<Judge> judges = new List<Judge>();
+			public List<Judge> judges = new();
 			public override IEnumerable<ChartEvent> Events {
 				get {
 					return base.Events
@@ -315,12 +307,10 @@ namespace Cryville.Crtr {
 				}
 			}
 
-			public override EventList GetEventsOfType(string type) {
-				switch (type) {
-					case "judges": return new EventList<Judge>(judges);
-					default: return base.GetEventsOfType(type);
-				}
-			}
+			public override EventList GetEventsOfType(string type) => type switch {
+				"judges" => new EventList<Judge>(judges),
+				_ => base.GetEventsOfType(type),
+			};
 			public override int Priority { get { return 20; } }
 		}
 
@@ -345,7 +335,7 @@ namespace Cryville.Crtr {
 
 		// TODO [Obsolete]
 		public List<Signature> sigs; // Signatures
-		// TODO [Obsolete]
+									 // TODO [Obsolete]
 		public class Signature : ChartEvent {
 			public float? tempo;
 

Assets/Cryville/Crtr/ChartCompatibilityHandler.cs

@@ -11,11 +11,11 @@ namespace Cryville.Crtr {
 		public static IMotionStringParser MotionStringParser { get; private set; }
 		public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer) {
 			var obj = JToken.ReadFrom(reader);
-			switch (obj["format"].ToObject<int>()) {
-				case 2: MotionStringParser = MotionStringParser2.Instance; break;
-				case 3: MotionStringParser = MotionStringParser3.Instance; break;
-				default: throw new FormatException("Unsupported chart format");
-			}
+			MotionStringParser = obj["format"].ToObject<int>() switch {
+				2 => MotionStringParser2.Instance,
+				3 => MotionStringParser3.Instance,
+				_ => throw new FormatException("Unsupported chart format"),
+			};
 			return base.ReadJson(obj.CreateReader(), objectType, existingValue, serializer);
 		}
 		public override Chart Create(Type objectType) {
@@ -28,12 +28,11 @@ namespace Cryville.Crtr {
 			static MotionStringParser2 _instance;
 			public static MotionStringParser2 Instance {
 				get {
-					if (_instance == null)
-						_instance = new MotionStringParser2();
+					_instance ??= new MotionStringParser2();
 					return _instance;
 				}
 			}
-			static readonly PdtFragmentInterpreter _itor = new PdtFragmentInterpreter();
+			static readonly PdtFragmentInterpreter _itor = new();
 			static readonly PropOp _vecop = new VectorOp(v => _vecbuf = v);
 			static float[] _vecbuf;
 			public void Parse(string str, out Identifier name, out MotionNode node) {
@@ -74,12 +73,11 @@ namespace Cryville.Crtr {
 			static MotionStringParser3 _instance;
 			public static MotionStringParser3 Instance {
 				get {
-					if (_instance == null)
-						_instance = new MotionStringParser3();
+					_instance ??= new MotionStringParser3();
 					return _instance;
 				}
 			}
-			static readonly PdtFragmentInterpreter _itor = new PdtFragmentInterpreter();
+			static readonly PdtFragmentInterpreter _itor = new();
 			static readonly PropOp _vecop = new VectorOp(v => _vecbuf = v);
 			static float[] _vecbuf;
 			public void Parse(string str, out Identifier name, out MotionNode node) {

Assets/Cryville/Crtr/ChartPlayer.cs

@@ -84,6 +84,8 @@ namespace Cryville.Crtr {
 			loggerListener = new BufferedLoggerListener();
 			Game.MainLogger.AddListener(loggerListener);
 
+			Game.SuspendBackgroundTasks();
+
 			try {
 				Play();
 			}
@@ -95,12 +97,12 @@ namespace Cryville.Crtr {
 		}
 
 		void OnDestroy() {
-			if (cbus != null) cbus.Dispose();
-			if (bbus != null) bbus.Dispose();
-			if (tbus != null) tbus.Dispose();
-			if (nbus != null) nbus.Dispose();
-			if (loadThread != null) loadThread.Abort();
-			if (inputProxy != null) inputProxy.Dispose();
+			cbus?.Dispose();
+			bbus?.Dispose();
+			tbus?.Dispose();
+			nbus?.Dispose();
+			loadThread?.Abort();
+			inputProxy?.Dispose();
 			if (texs != null) foreach (var t in texs) Texture.Destroy(t.Value);
 			Game.MainLogger.RemoveListener(loggerListener);
 			loggerListener.Dispose();
@@ -198,24 +200,22 @@ namespace Cryville.Crtr {
 				}
 			}
 		}
-		readonly TargetString statusstr = new TargetString();
-		readonly StringBuffer statusbuf = new StringBuffer();
-		readonly TargetString logsstr = new TargetString();
-		readonly StringBuffer logsbuf = new StringBuffer();
-		readonly List<string> logEntries = new List<string>();
+		readonly StringBuffer statusbuf = new();
+		readonly StringBuffer logsbuf = new();
+		readonly List<string> logEntries = new();
+		readonly ArrayPool<char> logBufferPool = new();
 		int logsLength = 0;
 		LogHandler d_addLogEntry;
 		void AddLogEntry(int level, string module, string msg) {
-			string color;
-			switch (level) {
-				case 0: color = "#888888"; break;
-				case 1: color = "#bbbbbb"; break;
-				case 2: color = "#0088ff"; break;
-				case 3: color = "#ffff00"; break;
-				case 4: color = "#ff0000"; break;
-				case 5: color = "#bb0000"; break;
-				default: color = "#ff00ff"; break;
-			}
+			string color = level switch {
+				0 => "#888888",
+				1 => "#bbbbbb",
+				2 => "#0088ff",
+				3 => "#ffff00",
+				4 => "#ff0000",
+				5 => "#bb0000",
+				_ => "#ff00ff",
+			};
 			var l = string.Format(
 				"\n<color={1}bb><{2}> {3}</color>",
 				DateTime.UtcNow.ToString("s"), color, module, msg
@@ -233,10 +233,10 @@ namespace Cryville.Crtr {
 			foreach (var l in logEntries) {
 				logsbuf.Append(l);
 			}
-			logsstr.Length = logsbuf.Count;
-			var larr = logsstr.TrustedAsArray();
-			logsbuf.CopyTo(0, larr, 0, logsbuf.Count);
-			logs.SetText(larr, 0, logsbuf.Count);
+			var lbuf = logBufferPool.Rent(logsbuf.Count);
+			logsbuf.CopyTo(0, lbuf, 0, logsbuf.Count);
+			logs.SetText(lbuf, 0, logsbuf.Count);
+			logBufferPool.Return(lbuf);
 
 			statusbuf.Clear();
 			statusbuf.AppendFormat(
@@ -284,14 +284,15 @@ namespace Cryville.Crtr {
 				);
 				if (judge != null) {
 					statusbuf.Append("\n== Scores ==\n");
-					var fullScoreStr = judge.GetFullFormattedScoreString();
-					statusbuf.Append(fullScoreStr.TrustedAsArray(), 0, fullScoreStr.Length);
+					var fullScoreStrLen = judge.GetFullFormattedScoreString(logBufferPool, out char[] fullScoreStr);
+					statusbuf.Append(fullScoreStr, 0, fullScoreStrLen);
+					logBufferPool.Return(fullScoreStr);
 				}
 			}
-			statusstr.Length = statusbuf.Count;
-			var sarr = statusstr.TrustedAsArray();
-			statusbuf.CopyTo(0, sarr, 0, statusbuf.Count);
-			status.SetText(sarr, 0, statusbuf.Count);
+			var buf = logBufferPool.Rent(statusbuf.Count);
+			statusbuf.CopyTo(0, buf, 0, statusbuf.Count);
+			status.SetText(buf, 0, statusbuf.Count);
+			logBufferPool.Return(buf);
 		}
 		#endregion
 
@@ -307,6 +308,7 @@ namespace Cryville.Crtr {
 		private void ReturnToMenuImpl() {
 			Master.Instance.ShowMenu();
 			Destroy(gameObject);
+			Game.ResumeBackgroundTasks();
 #if UNITY_5_5_OR_NEWER
 			SceneManager.UnloadSceneAsync("Play");
 #elif UNITY_5_3_OR_NEWER
@@ -379,13 +381,11 @@ namespace Cryville.Crtr {
 			areaJudgePrecision = 1 << Settings.Default.AreaJudgePrecision;
 			forceSyncFrames = Settings.Default.ForceSyncFrames;
 			texloaddone = false;
-			Game.SuspendBackgroundTasks();
 			Game.AudioSession = Game.AudioSequencer.NewSession();
 
 			var hitPlane = new Plane(Vector3.forward, Vector3.zero);
 			var r0 = Camera.main.ViewportPointToRay(new Vector3(0, 0, 1));
-			float dist;
-			hitPlane.Raycast(r0, out dist);
+			hitPlane.Raycast(r0, out float dist);
 			var p0 = r0.GetPoint(dist);
 			var r1 = Camera.main.ViewportPointToRay(new Vector3(1, 1, 1));
 			hitPlane.Raycast(r1, out dist);
@@ -395,18 +395,18 @@ namespace Cryville.Crtr {
 			screenSize = new Vector2(Screen.width, Screen.height);
 			frustumPlanes = GeometryUtility.CalculateFrustumPlanes(Camera.main);
 
-			FileInfo chartFile = new FileInfo(Settings.Default.LoadChart);
+			FileInfo chartFile = new(Settings.Default.LoadChart);
 
-			FileInfo rulesetFile = new FileInfo(Path.Combine(
+			FileInfo rulesetFile = new(Path.Combine(
 				Game.GameDataPath, "rulesets", Settings.Default.LoadRuleset
 			));
 			if (!rulesetFile.Exists) throw new FileNotFoundException("Ruleset for the chart not found\nMake sure you have imported the ruleset");
 
-			FileInfo rulesetConfigFile = new FileInfo(Path.Combine(
+			FileInfo rulesetConfigFile = new(Path.Combine(
 				Game.GameDataPath, "config", "rulesets", Settings.Default.LoadRulesetConfig
 			));
 			if (!rulesetConfigFile.Exists) throw new FileNotFoundException("Ruleset config not found\nPlease open the config to generate");
-			using (StreamReader cfgreader = new StreamReader(rulesetConfigFile.FullName, Encoding.UTF8)) {
+			using (StreamReader cfgreader = new(rulesetConfigFile.FullName, Encoding.UTF8)) {
 				_rscfg = JsonConvert.DeserializeObject<RulesetConfig>(cfgreader.ReadToEnd(), new JsonSerializerSettings() {
 					MissingMemberHandling = MissingMemberHandling.Error
 				});
@@ -414,11 +414,11 @@ namespace Cryville.Crtr {
 			sv = _rscfg.generic.ScrollVelocity;
 			soundOffset += _rscfg.generic.SoundOffset;
 
-			FileInfo skinFile = new FileInfo(Path.Combine(
+			FileInfo skinFile = new(Path.Combine(
 				Game.GameDataPath, "skins", rulesetFile.Directory.Name, _rscfg.generic.Skin, ".umgs"
 			));
 			if (!skinFile.Exists) throw new FileNotFoundException("Skin not found\nPlease specify an available skin in the config");
-			using (StreamReader reader = new StreamReader(skinFile.FullName, Encoding.UTF8)) {
+			using (StreamReader reader = new(skinFile.FullName, Encoding.UTF8)) {
 				skin = JsonConvert.DeserializeObject<SkinDefinition>(reader.ReadToEnd(), new JsonSerializerSettings() {
 					MissingMemberHandling = MissingMemberHandling.Error
 				});
@@ -444,7 +444,7 @@ namespace Cryville.Crtr {
 		}
 
 		IEnumerator<float> LoadTextures(List<string> queue) {
-			Stopwatch stopwatch = new Stopwatch();
+			Stopwatch stopwatch = new();
 			stopwatch.Start();
 #if UNITY_5_4_OR_NEWER
 			DownloadHandlerTexture texHandler = null;
@@ -497,7 +497,7 @@ namespace Cryville.Crtr {
 		}
 
 		IEnumerator<float> Prehandle() {
-			Stopwatch timer = new Stopwatch();
+			Stopwatch timer = new();
 			timer.Reset(); timer.Start();
 			Game.MainLogger.Log(0, "Load/Prehandle", "Prehandling (iteration 2)"); yield return 0;
 			cbus.BroadcastPreInit();
@@ -568,7 +568,6 @@ namespace Cryville.Crtr {
 					started = false;
 				}
 			}
-			Game.ResumeBackgroundTasks();
 			ReturnToMenu();
 		}
 
@@ -617,73 +616,72 @@ namespace Cryville.Crtr {
 				{ new Identifier("track")  , new MotionRegistry(typeof(Vec1)) },
 			};
 
-			using (StreamReader reader = new StreamReader(info.chartFile.FullName, Encoding.UTF8)) {
-				PdtEvaluator.Instance.Reset();
+			using StreamReader reader = new(info.chartFile.FullName, Encoding.UTF8);
+			PdtEvaluator.Instance.Reset();
 
-				LoadRuleset(info.rulesetFile); loadPregress = .05f;
+			LoadRuleset(info.rulesetFile); loadPregress = .05f;
 
-				chart = JsonConvert.DeserializeObject<Chart>(reader.ReadToEnd(), new JsonSerializerSettings() {
-					MissingMemberHandling = MissingMemberHandling.Error
-				});
+			chart = JsonConvert.DeserializeObject<Chart>(reader.ReadToEnd(), new JsonSerializerSettings() {
+				MissingMemberHandling = MissingMemberHandling.Error
+			});
 
-				Game.MainLogger.Log(0, "Load/WorkerThread", "Applying ruleset (iteration 1)"); loadPregress = .10f;
-				pruleset.PrePatch(chart);
+			Game.MainLogger.Log(0, "Load/WorkerThread", "Applying ruleset (iteration 1)"); loadPregress = .10f;
+			pruleset.PrePatch(chart);
 
-				Game.MainLogger.Log(0, "Load/WorkerThread", "Batching events"); loadPregress = .20f;
-				var batcher = new EventBatcher(chart);
-				batcher.Forward();
-				cbus = batcher.Batch(); loadPregress = .30f;
+			Game.MainLogger.Log(0, "Load/WorkerThread", "Batching events"); loadPregress = .20f;
+			var batcher = new EventBatcher(chart);
+			batcher.Forward();
+			cbus = batcher.Batch(); loadPregress = .30f;
 
-				LoadSkin(info.skinFile);
+			LoadSkin(info.skinFile);
 
-				Game.MainLogger.Log(0, "Load/WorkerThread", "Initializing judge and input"); loadPregress = .35f;
-				judge = new Judge(this, pruleset);
-				PdtEvaluator.Instance.ContextJudge = judge;
+			Game.MainLogger.Log(0, "Load/WorkerThread", "Initializing judge and input"); loadPregress = .35f;
+			judge = new Judge(this, pruleset);
+			PdtEvaluator.Instance.ContextJudge = judge;
 
-				inputProxy = new InputProxy(pruleset, judge, screenSize);
-				inputProxy.LoadFrom(_rscfg.inputs);
-				if (!inputProxy.IsCompleted()) {
-					Game.MainLogger.Log(2, "Game", "Input config not completed. Input disabled");
-					inputProxy.Clear();
-				}
-
-				Game.MainLogger.Log(0, "Load/WorkerThread", "Attaching handlers"); loadPregress = .40f;
-				var ch = new ChartHandler(chart);
-				cbus.RootState.AttachHandler(ch);
-				foreach (var gs in cbus.RootState.Children) {
-					var gh = new GroupHandler((Chart.Group)gs.Key, ch);
-					gs.Value.AttachHandler(gh);
-					foreach (var ts in gs.Value.Children) {
-						ContainerHandler th;
-						if (ts.Key is Chart.Note) {
-							th = new NoteHandler((Chart.Note)ts.Key, gh);
-						}
-						else {
-							th = new TrackHandler((Chart.Track)ts.Key, gh);
-						}
-						ts.Value.AttachHandler(th);
-					}
-				}
-				cbus.AttachSystems(pskin, judge);
-				Game.MainLogger.Log(0, "Load/WorkerThread", "Prehandling (iteration 1)"); loadPregress = .60f;
-				using (var pbus = cbus.Clone(16)) {
-					pbus.Forward();
-				}
-
-				Game.MainLogger.Log(0, "Load/WorkerThread", "Cloning states (type 1)"); loadPregress = .70f;
-				bbus = cbus.Clone(1, -clippingDist);
-				Game.MainLogger.Log(0, "Load/WorkerThread", "Cloning states (type 2)"); loadPregress = .80f;
-				tbus = bbus.Clone(2);
-				Game.MainLogger.Log(0, "Load/WorkerThread", "Cloning states (type 3)"); loadPregress = .90f;
-				nbus = bbus.Clone(3);
-				loadPregress = 1;
+			inputProxy = new InputProxy(pruleset, judge, screenSize);
+			inputProxy.LoadFrom(_rscfg.inputs);
+			if (!inputProxy.IsCompleted()) {
+				Game.MainLogger.Log(2, "Game", "Input config not completed. Input disabled");
+				inputProxy.Clear();
 			}
+
+			Game.MainLogger.Log(0, "Load/WorkerThread", "Attaching handlers"); loadPregress = .40f;
+			var ch = new ChartHandler(chart);
+			cbus.RootState.AttachHandler(ch);
+			foreach (var gs in cbus.RootState.Children) {
+				var gh = new GroupHandler((Chart.Group)gs.Key, ch);
+				gs.Value.AttachHandler(gh);
+				foreach (var ts in gs.Value.Children) {
+					ContainerHandler th;
+					if (ts.Key is Chart.Note) {
+						th = new NoteHandler((Chart.Note)ts.Key, gh);
+					}
+					else {
+						th = new TrackHandler((Chart.Track)ts.Key, gh);
+					}
+					ts.Value.AttachHandler(th);
+				}
+			}
+			cbus.AttachSystems(pskin, judge);
+			Game.MainLogger.Log(0, "Load/WorkerThread", "Prehandling (iteration 1)"); loadPregress = .60f;
+			using (var pbus = cbus.Clone(16)) {
+				pbus.Forward();
+			}
+
+			Game.MainLogger.Log(0, "Load/WorkerThread", "Cloning states (type 1)"); loadPregress = .70f;
+			bbus = cbus.Clone(1, -clippingDist);
+			Game.MainLogger.Log(0, "Load/WorkerThread", "Cloning states (type 2)"); loadPregress = .80f;
+			tbus = bbus.Clone(2);
+			Game.MainLogger.Log(0, "Load/WorkerThread", "Cloning states (type 3)"); loadPregress = .90f;
+			nbus = bbus.Clone(3);
+			loadPregress = 1;
 		}
 
 		void LoadRuleset(FileInfo file) {
 			DirectoryInfo dir = file.Directory;
 			Game.MainLogger.Log(0, "Load/WorkerThread", "Loading ruleset: {0}", file);
-			using (StreamReader reader = new StreamReader(file.FullName, Encoding.UTF8)) {
+			using (StreamReader reader = new(file.FullName, Encoding.UTF8)) {
 				ruleset = JsonConvert.DeserializeObject<RulesetDefinition>(reader.ReadToEnd(), new JsonSerializerSettings() {
 					MissingMemberHandling = MissingMemberHandling.Error
 				});

Assets/Cryville/Crtr/Config/IPropertyAdapter.cs

@@ -14,6 +14,7 @@ namespace Cryville.Crtr.Config {
 		object GetValue();
 		void SetValue(object value);
 		event Action ValueChanged;
+		void Invalidate();
 		object MapValue(object value);
 		bool SetMapped { get; }
 		object MapValueInverse(object value);
@@ -38,7 +39,10 @@ namespace Cryville.Crtr.Config {
 		public object GetValue() { return _prop.GetValue(_target, null); }
 		public void SetValue(object value) { _prop.SetValue(_target, value, null); }
 
-		public event Action ValueChanged { add { } remove { } }
+		public event Action ValueChanged;
+		public void Invalidate() {
+			ValueChanged?.Invoke();
+		}
 
 		readonly double _precision;
 		readonly double _step;

Assets/Cryville/Crtr/Config/IPropertyMasterAdapter.cs

@@ -12,8 +12,7 @@ namespace Cryville.Crtr.Config {
 		readonly object _target;
 
 		public DefaultPropertyMasterAdapter(object target) {
-			if (target == null) throw new ArgumentNullException("target");
-			_target = target;
+			_target = target ?? throw new ArgumentNullException("target");
 		}
 
 		public string DefaultCategory { get { return "miscellaneous"; } }

Assets/Cryville/Crtr/Config/RulesetConfig.cs

@@ -6,7 +6,7 @@ using System.ComponentModel;
 
 namespace Cryville.Crtr.Config {
 	public class RulesetConfig {
-		public Generic generic = new Generic();
+		public Generic generic = new();
 		public class Generic {
 			[Category("basic")]
 			[JsonProperty("skin")]
@@ -30,9 +30,9 @@ namespace Cryville.Crtr.Config {
 			}
 		}
 		public Dictionary<string, object> configs
-			= new Dictionary<string, object>();
+			= new();
 		public Dictionary<string, InputEntry> inputs
-			= new Dictionary<string, InputEntry>();
+			= new();
 		public class InputEntry {
 			public string handler;
 			public int type;

Assets/Cryville/Crtr/Config/RulesetConfigPropertyAdapter.cs

@@ -6,7 +6,7 @@ using System.Collections.Generic;
 
 namespace Cryville.Crtr.Config {
 	internal class RulesetConfigPropertyMasterAdapter : IPropertyMasterAdapter {
-		readonly List<RulesetConfigPropertyAdapter> _props = new List<RulesetConfigPropertyAdapter>();
+		readonly List<RulesetConfigPropertyAdapter> _props = new();
 		readonly RulesetConfigStore _store;
 		public PdtEvaluator Evaluator { get; private set; }
 
@@ -30,7 +30,7 @@ namespace Cryville.Crtr.Config {
 		public void SetValue(string key, object value) {
 			_store[key] = value;
 			foreach (var prop in _props) {
-				prop.OnValueChanged();
+				prop.Invalidate();
 			}
 		}
 	}
@@ -43,11 +43,11 @@ namespace Cryville.Crtr.Config {
 			_master = master;
 			_def = def;
 			Name = (string)key.Name;
-			switch (_def.type) {
-				case ConfigType.number: Type = PropertyType.Number; break;
-				case ConfigType.number_stepped: Type = PropertyType.NumberStepped; break;
-				default: Type = PropertyType.Unknown; break;
-			}
+			Type = _def.type switch {
+				ConfigType.number => PropertyType.Number,
+				ConfigType.number_stepped => PropertyType.NumberStepped,
+				_ => PropertyType.Unknown,
+			};
 			_rangeOp = new PropOp.Clip(v => {
 				m_range[0] = (double)v.Behind;
 				m_range[1] = (double)v.Ahead;
@@ -79,14 +79,13 @@ namespace Cryville.Crtr.Config {
 		}
 
 		public event Action ValueChanged;
-		public void OnValueChanged() {
-			var ev = ValueChanged;
-			if (ev != null) ev();
+		public void Invalidate() {
+			ValueChanged?.Invoke();
 		}
 
 		public bool SetMapped { get { return false; } }
 
-		readonly PropStores.Float _numst = new PropStores.Float();
+		readonly PropStores.Float _numst = new();
 		public object MapValue(object value) {
 			_numst.Value = (float)(double)value;
 			if (_def.value == null) return _numst.Value;

Assets/Cryville/Crtr/Config/RulesetConfigStore.cs

@@ -6,8 +6,8 @@ using System.Collections.Generic;
 
 namespace Cryville.Crtr.Config {
 	public class RulesetConfigStore {
-		readonly IntKeyedDictionary<PropSrc> _srcs = new IntKeyedDictionary<PropSrc>();
-		readonly Dictionary<string, int> _revMap = new Dictionary<string, int>();
+		readonly IntKeyedDictionary<PropSrc> _srcs = new();
+		readonly Dictionary<string, int> _revMap = new();
 		readonly Dictionary<string, object> _values;
 		public RulesetConfigStore(Dictionary<Identifier, ConfigDefinition> defs, Dictionary<string, object> values) {
 			_values = values;

Assets/Cryville/Crtr/Config/UI/InputConfigPanel.cs

@@ -15,7 +15,7 @@ namespace Cryville.Crtr.Config.UI {
 
 		PdtRuleset _ruleset;
 		InputProxy _proxy;
-		readonly Dictionary<Identifier, InputConfigPanelEntry> _entries = new Dictionary<Identifier, InputConfigPanelEntry>();
+		readonly Dictionary<Identifier, InputConfigPanelEntry> _entries = new();
 
 		public void Load(PdtRuleset ruleset, RulesetConfig rulesetConfig) {
 			_ruleset = ruleset;

Assets/Cryville/Crtr/Config/UI/InputDialog.cs

@@ -29,7 +29,7 @@ namespace Cryville.Crtr.Config.UI {
 		int _targetDim;
 		PhysicalDimension? _targetPDim;
 		bool _targetNotNull;
-		readonly Dictionary<InputSource, InputDialogEntry> _recvsrcs = new Dictionary<InputSource, InputDialogEntry>();
+		readonly Dictionary<InputSource, InputDialogEntry> _recvsrcs = new();
 		void ShowInternal(Action<InputSource?> callback, string message, InputDefinition def, InputProxy proxy) {
 			_active = true;
 			_callback = callback;
@@ -56,7 +56,7 @@ namespace Cryville.Crtr.Config.UI {
 			var result = new PhysicalDimension();
 			foreach (var comp in comps) {
 				int dim = 1;
-				if (comp.Length > 1) dim = int.Parse(comp.Substring(1));
+				if (comp.Length > 1) dim = int.Parse(comp[1..]);
 				switch (comp[0]) {
 					case 'T': result.Time += dim; break;
 					case 'L': result.Length += dim; break;
@@ -98,8 +98,7 @@ namespace Cryville.Crtr.Config.UI {
 		Action<InputEvent> _d_HandleInputEvent;
 		void HandleInputEvent(InputEvent ev) {
 			InputSource src = ev.Identifier.Source;
-			InputDialogEntry entry;
-			if (!_recvsrcs.TryGetValue(src, out entry)) {
+			if (!_recvsrcs.TryGetValue(src, out InputDialogEntry entry)) {
 				_recvsrcs.Add(src, entry = AddSourceItem(src));
 				if (_proxy.IsUsed(src)) {
 					entry.Status |= InputDeviceStatus.Used;

Assets/Cryville/Crtr/Config/UI/InputDialogEntry.cs

@@ -74,8 +74,7 @@ namespace Cryville.Crtr.Config.UI {
 		Dictionary<int, InputVector> _activeInputs;
 		public void OnInputEvent(InputEvent ev) {
 			var id = ev.Identifier.Id;
-			InputVector lastVec;
-			if (!_activeInputs.TryGetValue(id, out lastVec)) {
+			if (!_activeInputs.TryGetValue(id, out InputVector lastVec)) {
 				if (ev.To.IsNull) return;
 				_activeInputs.Add(id, lastVec = ev.To.Vector);
 			}

Assets/Cryville/Crtr/Config/UI/PVPNumberBase.cs

@@ -111,9 +111,8 @@ namespace Cryville.Crtr.Config.UI {
 			}
 
 			float GetRatioFromPos(Vector2 pos) {
-				Vector2 lp;
 				RectTransform handleArea = parent.m_handleArea;
-				if (RectTransformUtility.ScreenPointToLocalPointInRectangle(handleArea, pos, cam, out lp)) {
+				if (RectTransformUtility.ScreenPointToLocalPointInRectangle(handleArea, pos, cam, out Vector2 lp)) {
 					lp -= handleArea.rect.position;
 					return Mathf.Clamp01(lp.x / handleArea.rect.width);
 				}
@@ -121,8 +120,7 @@ namespace Cryville.Crtr.Config.UI {
 			}
 
 			void SetValueFromPos(Vector2 pos) {
-				double min, max;
-				parent.GetRange(out min, out max);
+				parent.GetRange(out double min, out double max);
 				double ratio = GetRatioFromPos(pos);
 				double result = parent.GetValue(ratio, Time.deltaTime, min, max);
 				if (result < min) result = min;

Assets/Cryville/Crtr/Config/UI/PropertyMasterPanel.cs

@@ -34,18 +34,25 @@ namespace Cryville.Crtr.Config.UI {
 			}
 		}
 
-		readonly Dictionary<string, List<IPropertyAdapter>> _categories = new Dictionary<string, List<IPropertyAdapter>>();
+		readonly Dictionary<string, List<IPropertyAdapter>> _categories = new();
 		public void LoadProperties() {
 			_categories.Clear();
 			_invalidated = false;
 			if (Adapter == null) return;
 			foreach (var p in Adapter.GetProperties()) {
-				string category = p.Category;
-				if (category == null) category = Adapter.DefaultCategory;
+				string category = p.Category ?? Adapter.DefaultCategory;
 				if (!_categories.ContainsKey(category))
 					_categories.Add(category, new List<IPropertyAdapter>());
 				_categories[category].Add(p);
 			}
 		}
+
+		public void InvalidatePropertyValues() {
+			foreach (var category in _categories) {
+				foreach (var property in category.Value) {
+					property.Invalidate();
+				}
+			}
+		}
 	}
 }

Assets/Cryville/Crtr/Event/ChartHandler.cs

@@ -8,7 +8,7 @@ namespace Cryville.Crtr.Event {
 		protected override TransformHandler Parent { get { return null; } }
 
 		readonly Chart chart;
-		readonly List<LibavFileAudioSource> sounds = new List<LibavFileAudioSource>();
+		readonly List<LibavFileAudioSource> sounds = new();
 
 		public ChartHandler(Chart _chart) {
 			chart = _chart;
@@ -25,8 +25,7 @@ namespace Cryville.Crtr.Event {
 			if (s.CloneType == 16) {
 				if (ev == null) { }
 				else if (ev.Unstamped == null) { }
-				else if (ev.Unstamped is Chart.Sound) {
-					Chart.Sound tev = (Chart.Sound)ev.Unstamped;
+				else if (ev.Unstamped is Chart.Sound tev) {
 					var dir = new DirectoryInfo(Path.Combine(Game.GameDataPath, "songs", StringUtils.EscapeFileName(tev.id)));
 					var files = dir.GetFiles();
 					var source = new LibavFileAudioSource(files[0].FullName);

Assets/Cryville/Crtr/Event/ContainerHandler.cs

@@ -41,7 +41,7 @@ namespace Cryville.Crtr.Event {
 
 		protected Transform RootTransform;
 
-		readonly List<SkinComponent> _comps = new List<SkinComponent>();
+		readonly List<SkinComponent> _comps = new();
 		protected IEnumerable<SkinComponent> Components { get { return _comps; } }
 
 		public Vector3 Position { get; protected set; }
@@ -68,7 +68,7 @@ namespace Cryville.Crtr.Event {
 
 		static readonly int _var_current_time = IdentifierManager.Shared.Request("current_time");
 		static readonly int _var_invisible_bounds = IdentifierManager.Shared.Request("invisible_bounds");
-		public readonly IntKeyedDictionary<PropSrc> PropSrcs = new IntKeyedDictionary<PropSrc>();
+		public readonly IntKeyedDictionary<PropSrc> PropSrcs = new();
 		SkinContainer skinContainer;
 		protected Judge judge;
 		public void AttachSystems(PdtSkin skin, Judge judge) {
@@ -76,9 +76,9 @@ namespace Cryville.Crtr.Event {
 			this.judge = judge;
 		}
 
-		public readonly IntKeyedDictionary<List<Anchor>> Anchors = new IntKeyedDictionary<List<Anchor>>();
-		public readonly IntKeyedDictionary<Anchor> DynamicAnchors = new IntKeyedDictionary<Anchor>();
-		public readonly IntKeyedDictionary<double> DynamicAnchorSetTime = new IntKeyedDictionary<double>();
+		public readonly IntKeyedDictionary<List<Anchor>> Anchors = new();
+		public readonly IntKeyedDictionary<Anchor> DynamicAnchors = new();
+		public readonly IntKeyedDictionary<double> DynamicAnchorSetTime = new();
 		Anchor a_cur;
 		Anchor a_head;
 		Anchor a_tail;
@@ -98,8 +98,7 @@ namespace Cryville.Crtr.Event {
 				DynamicAnchors.Add(name, result);
 				DynamicAnchorSetTime.Add(name, double.NaN);
 			}
-			List<Anchor> list;
-			if (!Anchors.TryGetValue(name, out list))
+			if (!Anchors.TryGetValue(name, out List<Anchor> list))
 				Anchors.Add(name, list = new List<Anchor>());
 			list.Add(result);
 			return result;
@@ -158,8 +157,7 @@ namespace Cryville.Crtr.Event {
 		}
 		#endregion
 		public virtual void Update(ContainerState s, StampedEvent ev) {
-			if (ev is StampedEvent.Anchor) {
-				var tev = (StampedEvent.Anchor)ev;
+			if (ev is StampedEvent.Anchor tev) {
 				if (tev.Target == a_head) {
 					if (s.CloneType == 2) SetGraphicalActive(true, s);
 					else SetPreGraphicalActive(true, s);
@@ -234,7 +232,7 @@ namespace Cryville.Crtr.Event {
 			}
 		}
 		static readonly SimpleObjectPool<StampedEvent.Anchor> anchorEvPool
-			= new SimpleObjectPool<StampedEvent.Anchor>(1024);
+			= new(1024);
 		void PushAnchorEvent(ContainerState state, double time, Anchor anchor, int priority = 0, bool forced = false) {
 			var tev = anchorEvPool.Rent();
 			tev.Time = time;
@@ -245,8 +243,8 @@ namespace Cryville.Crtr.Event {
 			state.Bus.PushTempEvent(tev);
 		}
 		public virtual void Discard(ContainerState s, StampedEvent ev) {
-			if (ev is StampedEvent.Anchor) {
-				ReturnAnchorEvent((StampedEvent.Anchor)ev);
+			if (ev is StampedEvent.Anchor anchor) {
+				ReturnAnchorEvent(anchor);
 			}
 		}
 		void ReturnAnchorEvent(StampedEvent.Anchor ev) {
@@ -264,8 +262,7 @@ namespace Cryville.Crtr.Event {
 		Anchor _openedAnchor;
 		public int OpenedAnchorName { get { return _openedAnchor == null ? 0 : _openedAnchor.Name; } }
 		public bool TryGetAnchorsByName(int name, out IReadOnlyCollection<Anchor> result) {
-			List<Anchor> anchors;
-			var ret = Anchors.TryGetValue(name, out anchors);
+			var ret = Anchors.TryGetValue(name, out List<Anchor> anchors);
 			result = anchors;
 			return ret;
 		}

Assets/Cryville/Crtr/Event/ContainerState.cs

@@ -19,11 +19,11 @@ namespace Cryville.Crtr.Event {
 		public ushort Depth;
 
 		public Dictionary<EventContainer, ContainerState> Children
-			= new Dictionary<EventContainer, ContainerState>();
+			= new();
 		HashSet<EventContainer> ActiveChildren
-			= new HashSet<EventContainer>();
+			= new();
 		public Dictionary<Type, List<ContainerState>> TypedChildren
-			= new Dictionary<Type, List<ContainerState>>();
+			= new();
 
 		public ContainerState GetChild(int index, Type handlerType) {
 			var list = TypedChildren[handlerType];
@@ -110,8 +110,7 @@ namespace Cryville.Crtr.Event {
 		void AddChild(EventContainer c, ContainerState parent) {
 			parent.Children.Add(c, this);
 			Type t = c.GetType();
-			List<ContainerState> tc;
-			if (!parent.TypedChildren.TryGetValue(t, out tc))
+			if (!parent.TypedChildren.TryGetValue(t, out List<ContainerState> tc))
 				parent.TypedChildren.Add(t, tc = new List<ContainerState>());
 			tc.Add(this);
 		}
@@ -159,15 +158,13 @@ namespace Cryville.Crtr.Event {
 			if (dest.m_active) dest.Bus.NotifyActiveChanged(dest);
 
 			foreach (var mv in Values) {
-				RealtimeMotionValue dv;
-				if (dest.Values.TryGetValue(mv.Key, out dv)) mv.Value.CopyTo(dv, false);
+				if (dest.Values.TryGetValue(mv.Key, out RealtimeMotionValue dv)) mv.Value.CopyTo(dv, false);
 				else dest.Values.Add(mv.Key, mv.Value.Clone());
 			}
 
 			foreach (var cv in dest.CachedValues) cv.Value.Valid = false;
 			foreach (var cv in CachedValues) {
-				MotionCache dv;
-				if (!dest.CachedValues.TryGetValue(cv.Key, out dv)) {
+				if (!dest.CachedValues.TryGetValue(cv.Key, out MotionCache dv)) {
 					dest.CachedValues.Add(cv.Key, dv = dest._mcpa.Rent(cv.Key));
 				}
 				cv.Value.CopyTo(dv);
@@ -229,13 +226,12 @@ namespace Cryville.Crtr.Event {
 		#region Motion
 		readonly CategorizedPoolAccessor<int, RealtimeMotionValue> _rmvpa;
 		readonly CategorizedPoolAccessor<int, MotionCache> _mcpa;
-		Dictionary<StampedEvent, RealtimeMotionValue> PlayingMotions = new Dictionary<StampedEvent, RealtimeMotionValue>(4);
+		Dictionary<StampedEvent, RealtimeMotionValue> PlayingMotions = new(4);
 		IntKeyedDictionary<RealtimeMotionValue> Values;
 		IntKeyedDictionary<MotionCache> CachedValues;
 
 		void InvalidateMotion(int name) {
-			MotionCache cache;
-			if (!CachedValues.TryGetValue(name, out cache))
+			if (!CachedValues.TryGetValue(name, out MotionCache cache))
 				CachedValues.Add(name, cache = _mcpa.Rent(name));
 			cache.Valid = false;
 			foreach (var c in ActiveChildren)
@@ -243,8 +239,7 @@ namespace Cryville.Crtr.Event {
 		}
 
 		public Vector GetComputedValue(int key) {
-			MotionCache tr;
-			if (!CachedValues.TryGetValue(key, out tr))
+			if (!CachedValues.TryGetValue(key, out MotionCache tr))
 				CachedValues.Add(key, tr = _mcpa.Rent(key));
 			Vector r = tr.Value;
 			if (tr.Valid) return r;
@@ -322,8 +317,8 @@ namespace Cryville.Crtr.Event {
 
 		public void Discard(StampedEvent ev) {
 			Handler.Discard(this, ev);
-			if (ev is StampedEvent.RelativeMotion) {
-				ReturnRelativeMotionEvent((StampedEvent.RelativeMotion)ev);
+			if (ev is StampedEvent.RelativeMotion motion) {
+				ReturnRelativeMotionEvent(motion);
 			}
 			else if (ev.Origin is StampedEvent.RelativeMotion) {
 				ReturnEndRelativeMotionEvent((StampedEvent.Temporary)ev);
@@ -345,8 +340,7 @@ namespace Cryville.Crtr.Event {
 						_rmvpa.Return(mv);
 					}
 				}
-				else if (ev is StampedEvent.RelativeMotion) {
-					var tev = (StampedEvent.RelativeMotion)ev;
+				else if (ev is StampedEvent.RelativeMotion tev) {
 					var mv = _rmvpa.Rent(tev.Name);
 					mv.CloneTypeFlag = CloneType;
 					Values[tev.Name].CopyTo(mv, true);
@@ -369,13 +363,13 @@ namespace Cryville.Crtr.Event {
 				}
 				else if (ev.Origin != null) {
 					var oev = ev.Origin;
-					if (oev is StampedEvent.RelativeMotion) {
+					if (oev is StampedEvent.RelativeMotion motion) {
 						Update(ev);
 						var mv = PlayingMotions[oev];
 						if (mv.CloneTypeFlag == CloneType) _rmvpa.Return(mv);
 						PlayingMotions.Remove(oev);
 						ReturnEndRelativeMotionEvent((StampedEvent.Temporary)ev);
-						ReturnRelativeMotionEvent((StampedEvent.RelativeMotion)oev);
+						ReturnRelativeMotionEvent(motion);
 					}
 					else {
 						var nev = oev.Unstamped;
@@ -385,8 +379,7 @@ namespace Cryville.Crtr.Event {
 							if (mv.CloneTypeFlag == CloneType) _rmvpa.Return(mv);
 							PlayingMotions.Remove(oev);
 						}
-						else if (nev is EventContainer) {
-							var cev = (EventContainer)nev;
+						else if (nev is EventContainer cev) {
 							var ccs = Children[cev];
 							UpdateMotions();
 							ccs.LogicalActive = false;
@@ -455,8 +448,8 @@ namespace Cryville.Crtr.Event {
 				}
 			}
 		}
-		static readonly PropStores.Float _ttimest = new PropStores.Float();
-		static readonly PropStores.Vector4 _transst = new PropStores.Vector4();
+		static readonly PropStores.Float _ttimest = new();
+		static readonly PropStores.Vector4 _transst = new();
 		Vector4 GetTransition(float time, PdtExpression transition) {
 			if (time >= 1) return Vector4.one;
 			if (transition == null) return new Vector4(time, time, time, time);
@@ -495,9 +488,9 @@ namespace Cryville.Crtr.Event {
 		}
 
 		static readonly SimpleObjectPool<StampedEvent.RelativeMotion> relmEvPool
-			= new SimpleObjectPool<StampedEvent.RelativeMotion>(1024);
+			= new(1024);
 		static readonly SimpleObjectPool<StampedEvent.Temporary> erelmEvPool
-			= new SimpleObjectPool<StampedEvent.Temporary>(1024);
+			= new(1024);
 		public void PreAnchor() {
 			PushRelativeMotions(Handler.ns.Bus);
 			Handler.PreAnchor();

Assets/Cryville/Crtr/Event/EventBatch.cs

@@ -9,7 +9,7 @@ namespace Cryville.Crtr.Event {
 			private set;
 		}
 
-		readonly List<StampedEvent> queue = new List<StampedEvent>();
+		readonly List<StampedEvent> queue = new();
 		public int Count {
 			get { return queue.Count; }
 		}

Assets/Cryville/Crtr/Event/EventBatcher.cs

@@ -12,16 +12,16 @@ namespace Cryville.Crtr.Event {
 		readonly Chart chart;
 		ContainerState rootState;
 		readonly Dictionary<ChartEvent, ContainerState> containerMap
-			= new Dictionary<ChartEvent, ContainerState>();
+			= new();
 		readonly Dictionary<EventContainer, ContainerState> stateMap
-			= new Dictionary<EventContainer, ContainerState>();
+			= new();
 		readonly Dictionary<ChartEvent, StampedEvent> map
-			= new Dictionary<ChartEvent, StampedEvent>();
+			= new();
 		readonly Dictionary<EventContainer, List<StampedEvent>> coeventMap
-			= new Dictionary<EventContainer, List<StampedEvent>>();
-		readonly HashSet<ChartEvent> coevents = new HashSet<ChartEvent>();
-		readonly List<StampedEvent> stampedEvents = new List<StampedEvent>();
-		readonly List<EventBatch> batches = new List<EventBatch>();
+			= new();
+		readonly HashSet<ChartEvent> coevents = new();
+		readonly List<StampedEvent> stampedEvents = new();
+		readonly List<EventBatch> batches = new();
 
 		double beat;
 		float tempo;
@@ -58,8 +58,8 @@ namespace Cryville.Crtr.Event {
 				}
 				Events.Add(ev);
 				containerMap.Add(ev, cs);
-				if (ev is EventContainer)
-					AddEventContainer((EventContainer)ev, cs);
+				if (ev is EventContainer container)
+					AddEventContainer(container, cs);
 			}
 		}
 		
@@ -104,17 +104,16 @@ namespace Cryville.Crtr.Event {
 					var pev = map[oev];
 					pev.ReleaseEvent = sev;
 					sev.Origin = pev;
-					if (oev is EventContainer) {
+					if (oev is EventContainer container) {
 						stampedEvents.Add(new StampedEvent.ClipAhead {
 							Container = con,
 							Origin = pev,
-							Time = etime + ((EventContainer)oev).Clip.Ahead,
+							Time = etime + container.Clip.Ahead,
 						});
 					}
 				}
 				if (con != null && coevents.Contains(ev)) {
-					List<StampedEvent> cevs;
-					if (!coeventMap.TryGetValue(con, out cevs)) {
+					if (!coeventMap.TryGetValue(con, out List<StampedEvent> cevs)) {
 						coeventMap.Add(con, cevs = new List<StampedEvent>());
 					}
 					cevs.Add(sev);
@@ -168,9 +167,8 @@ namespace Cryville.Crtr.Event {
 		}
 
 		void BatchCoevents(StampedEvent ev, List<StampedEvent> ocevs = null) {
-			if (!(ev.Unstamped is EventContainer)) return;
-			List<StampedEvent> cevs;
-			if (coeventMap.TryGetValue((EventContainer)ev.Unstamped, out cevs)) {
+			if (ev.Unstamped is not EventContainer container) return;
+			if (coeventMap.TryGetValue(container, out List<StampedEvent> cevs)) {
 				var rootFlag = ocevs == null;
 				if (rootFlag) ev.Coevents = ocevs = new List<StampedEvent>();
 				foreach (var cev in cevs) {

Assets/Cryville/Crtr/Event/EventBus.cs

@@ -12,11 +12,11 @@ namespace Cryville.Crtr.Event {
 		}
 
 		Dictionary<EventContainer, ContainerState> states
-			= new Dictionary<EventContainer, ContainerState>();
+			= new();
 		HashSet<ContainerState> activeStates
-			= new HashSet<ContainerState>();
+			= new();
 		HashSet<ContainerState> invalidatedStates
-			= new HashSet<ContainerState>();
+			= new();
 		public int ActiveStateCount { get { return activeStates.Count; } }
 
 		public EventBus(ContainerState root, List<EventBatch> b) : base(b) {
@@ -84,14 +84,14 @@ namespace Cryville.Crtr.Event {
 				s.Value.AttachSystems(skin, judge);
 		}
 
-		List<StampedEvent.Temporary> tempEvents = new List<StampedEvent.Temporary>();
+		List<StampedEvent.Temporary> tempEvents = new();
 		public void PushTempEvent(StampedEvent.Temporary ev) {
 			var index = tempEvents.BinarySearch(ev);
 			if (index < 0) index = ~index;
 			tempEvents.Insert(index, ev);
 		}
 
-		readonly StampedEvent.Temporary _dummyEvent = new StampedEvent.Temporary();
+		readonly StampedEvent.Temporary _dummyEvent = new();
 		public void StripTempEvents() {
 			_dummyEvent.Time = Time;
 			var index = tempEvents.BinarySearch(_dummyEvent);

Assets/Cryville/Crtr/Event/GroupHandler.cs

@@ -39,7 +39,7 @@ namespace Cryville.Crtr.Event {
 	}
 
 	class Vector3Operator : IVectorOperator<Vector3> {
-		public static Vector3Operator Instance = new Vector3Operator();
+		public static Vector3Operator Instance = new();
 
 		public Vector3 Add(Vector3 lhs, Vector3 rhs) {
 			return lhs + rhs;

Assets/Cryville/Crtr/Event/MotionCache.cs

@@ -21,8 +21,9 @@ namespace Cryville.Crtr.Event {
 				_reg = ChartPlayer.motionRegistry[name];
 			}
 			protected override MotionCache Construct() {
-				var result = new MotionCache();
-				result.Value = (Vector)Activator.CreateInstance(_reg.Type);
+				var result = new MotionCache {
+					Value = (Vector)Activator.CreateInstance(_reg.Type)
+				};
 				return result;
 			}
 			protected override void Reset(MotionCache obj) {

Assets/Cryville/Crtr/Event/NoteHandler.cs

@@ -17,15 +17,15 @@ namespace Cryville.Crtr.Event {
 		public override string TypeName { get { return "note"; } }
 
 		SectionalGameObject[] sgos;
-		readonly Dictionary<Chart.Judge, JudgeState> judges = new Dictionary<Chart.Judge, JudgeState>();
+		readonly Dictionary<Chart.Judge, JudgeState> judges = new();
 		class JudgeState {
 			static readonly int _var_judge_result = IdentifierManager.Shared.Request("judge_result");
 			static readonly int _var_judge_time_absolute = IdentifierManager.Shared.Request("judge_time_absolute");
 			static readonly int _var_judge_time_relative = IdentifierManager.Shared.Request("judge_time_relative");
 			public Anchor StaticAnchor { get; private set; }
-			readonly PropStores.Float _jtabsst = new PropStores.Float();
-			readonly PropStores.Float _jtrelst = new PropStores.Float();
-			readonly PropStores.Identifier _resultst = new PropStores.Identifier();
+			readonly PropStores.Float _jtabsst = new();
+			readonly PropStores.Float _jtrelst = new();
+			readonly PropStores.Identifier _resultst = new();
 			public JudgeState(NoteHandler handler, int name) {
 				StaticAnchor = handler.RegisterAnchor(handler.judge.judgeMap[name], false, 3);
 			}
@@ -147,8 +147,7 @@ namespace Cryville.Crtr.Event {
 		}
 
 		internal void ReportJudge(JudgeEvent ev, float time, Identifier result) {
-			JudgeState state;
-			if (!judges.TryGetValue(ev.BaseEvent, out state)) return;
+			if (!judges.TryGetValue(ev.BaseEvent, out JudgeState state)) return;
 			state.MarkJudged(time, (float)(ev.StartTime - time), result.Key);
 		}
 	}

Assets/Cryville/Crtr/Event/RealtimeMotionValue.cs

@@ -48,21 +48,19 @@ namespace Cryville.Crtr.Event {
 		}
 
 		public MotionNode GetRelativeNode(short id) {
-			MotionNode result;
-			RelativeNodes.TryGetValue(id, out result);
+			RelativeNodes.TryGetValue(id, out MotionNode result);
 			return result;
 		}
 
 		public void SetRelativeNode(MotionNode node) {
-			MotionNode cnode;
-			if (!RelativeNodes.TryGetValue(node.Id, out cnode)) {
+			if (!RelativeNodes.TryGetValue(node.Id, out MotionNode cnode)) {
 				cnode = MotionNodePool.Shared.Rent(_type);
 				cnode.Id = node.Id;
 				RelativeNodes.Add(node.Id, cnode);
 			}
-			if (node.Time != null) node.Time.CopyTo(cnode.Time);
-			if (node.EndTime != null) node.EndTime.CopyTo(cnode.EndTime);
-			if (node.Value != null) node.Value.CopyTo(cnode.Value);
+			node.Time?.CopyTo(cnode.Time);
+			node.EndTime?.CopyTo(cnode.EndTime);
+			node.Value?.CopyTo(cnode.Value);
 		}
 
 		/// <summary>

Assets/Cryville/Crtr/Event/TransformHandler.cs

@@ -7,7 +7,7 @@ namespace Cryville.Crtr.Event {
 		protected abstract TransformHandler Parent { get; }
 		public override void Init() {
 			base.Init();
-			sgos = Components.Where(c => c is SectionalGameObject).Cast<SectionalGameObject>().ToArray();
+			sgos = Components.OfType<SectionalGameObject>().ToArray();
 		}
 
 		SectionalGameObject[] sgos;

Assets/Cryville/Crtr/Extensions/ExtensionImporter.cs

@@ -12,9 +12,8 @@ namespace Cryville.Crtr.Extensions {
 
 		public override void Convert(FileInfo file, ConversionSession ses) {
 			try {
-				using (var stream = file.OpenRead()) {
-					ModuleDefinition.ReadModule(stream, new ReaderParameters(ReadingMode.Immediate));
-				}
+				using var stream = file.OpenRead();
+				ModuleDefinition.ReadModule(stream, new ReaderParameters(ReadingMode.Immediate));
 			}
 			catch (BadImageFormatException ex) {
 				throw new FormatException("Invalid extension.", ex);

Assets/Cryville/Crtr/Extensions/Umg/ChartResourceImporter.cs

@@ -13,19 +13,17 @@ namespace Cryville.Crtr.Extensions.Umg {
 		public override void Convert(FileInfo file, ConversionSession ses) {
 			var meta = Path.Combine(file.Directory.FullName, "meta.json");
 			if (!File.Exists(meta)) throw new FileNotFoundException("Meta file for the chart not found");
-			using (StreamReader reader = new StreamReader(meta, Encoding.UTF8)) {
-				var data = JsonConvert.DeserializeObject<ChartMeta>(reader.ReadToEnd());
-				ses.AddResource(new ChartResource(data.name, file));
-			}
+			using StreamReader reader = new(meta, Encoding.UTF8);
+			var data = JsonConvert.DeserializeObject<ChartMeta>(reader.ReadToEnd());
+			ses.AddResource(new ChartResource(data.name, file));
 		}
 	}
 	public class ChartResource : FileResource {
 		public ChartResource(string name, FileInfo master) : base(name, master) {
-			using (var reader = new StreamReader(master.FullName)) {
-				var meta = JsonConvert.DeserializeObject<ChartMeta>(reader.ReadToEnd());
-				Attachments.Add(new FileInfo(Path.Combine(master.Directory.FullName, meta.data + ".json")));
-				if (meta.cover != null) Attachments.Add(new FileInfo(Path.Combine(master.Directory.FullName, meta.cover)));
-			}
+			using var reader = new StreamReader(master.FullName);
+			var meta = JsonConvert.DeserializeObject<ChartMeta>(reader.ReadToEnd());
+			Attachments.Add(new FileInfo(Path.Combine(master.Directory.FullName, meta.data + ".json")));
+			if (meta.cover != null) Attachments.Add(new FileInfo(Path.Combine(master.Directory.FullName, meta.cover)));
 		}
 	}
 }

Assets/Cryville/Crtr/Extensions/Umg/RulesetResourceImporter.cs

@@ -12,18 +12,16 @@ namespace Cryville.Crtr.Extensions.Umg {
 		}
 
 		public override void Convert(FileInfo file, ConversionSession ses) {
-			using (StreamReader reader = new StreamReader(file.FullName, Encoding.UTF8)) {
-				var data = JsonConvert.DeserializeObject<RulesetDefinition>(reader.ReadToEnd());
-				ses.AddResource(new RulesetResource(data.name, file));
-			}
+			using StreamReader reader = new(file.FullName, Encoding.UTF8);
+			var data = JsonConvert.DeserializeObject<RulesetDefinition>(reader.ReadToEnd());
+			ses.AddResource(new RulesetResource(data.name, file));
 		}
 	}
 	public class RulesetResource : FileResource {
 		public RulesetResource(string name, FileInfo master) : base(name, master) {
-			using (var reader = new StreamReader(master.FullName)) {
-				var meta = JsonConvert.DeserializeObject<RulesetDefinition>(reader.ReadToEnd());
-				Attachments.Add(new FileInfo(Path.Combine(master.Directory.FullName, meta.data + ".pdt")));
-			}
+			using var reader = new StreamReader(master.FullName);
+			var meta = JsonConvert.DeserializeObject<RulesetDefinition>(reader.ReadToEnd());
+			Attachments.Add(new FileInfo(Path.Combine(master.Directory.FullName, meta.data + ".pdt")));
 		}
 	}
 }

Assets/Cryville/Crtr/Extensions/Umg/SkinResourceImporter.cs

@@ -12,22 +12,20 @@ namespace Cryville.Crtr.Extensions.Umg {
 		}
 
 		public override void Convert(FileInfo file, ConversionSession ses) {
-			using (StreamReader reader = new StreamReader(file.FullName, Encoding.UTF8)) {
-				var data = JsonConvert.DeserializeObject<SkinDefinition>(reader.ReadToEnd());
-				ses.AddResource(new SkinResource(data.name, file));
-			}
+			using StreamReader reader = new(file.FullName, Encoding.UTF8);
+			var data = JsonConvert.DeserializeObject<SkinDefinition>(reader.ReadToEnd());
+			ses.AddResource(new SkinResource(data.name, file));
 		}
 	}
 	public class SkinResource : FileResource {
 		public string RulesetName { get; private set; }
 		public SkinResource(string name, FileInfo master) : base(name, master) {
-			using (var reader = new StreamReader(master.FullName)) {
-				var meta = JsonConvert.DeserializeObject<SkinDefinition>(reader.ReadToEnd());
-				RulesetName = meta.ruleset;
-				Attachments.Add(new FileInfo(Path.Combine(master.Directory.FullName, meta.data + ".pdt")));
-				foreach (var frame in meta.frames) {
-					Attachments.Add(new FileInfo(Path.Combine(master.Directory.FullName, frame)));
-				}
+			using var reader = new StreamReader(master.FullName);
+			var meta = JsonConvert.DeserializeObject<SkinDefinition>(reader.ReadToEnd());
+			RulesetName = meta.ruleset;
+			Attachments.Add(new FileInfo(Path.Combine(master.Directory.FullName, meta.data + ".pdt")));
+			foreach (var frame in meta.frames) {
+				Attachments.Add(new FileInfo(Path.Combine(master.Directory.FullName, frame)));
 			}
 		}
 	}

Assets/Cryville/Crtr/Game.cs

@@ -19,6 +19,7 @@ using Newtonsoft.Json;
 using System;
 using System.Globalization;
 using System.IO;
+using System.Runtime.InteropServices;
 using System.Text;
 using System.Xml;
 using System.Xml.Linq;
@@ -36,10 +37,10 @@ namespace Cryville.Crtr {
 		public static SimpleSequencerSource AudioSequencer;
 		public static SimpleSequencerSession AudioSession;
 		public static InputManager InputManager;
-		public static readonly NetworkTaskWorker NetworkTaskWorker = new NetworkTaskWorker();
+		public static readonly NetworkTaskWorker NetworkTaskWorker = new();
 
 		public static readonly JsonSerializerSettings GlobalJsonSerializerSettings
-			= new JsonSerializerSettings() {
+			= new() {
 				DefaultValueHandling = DefaultValueHandling.Ignore,
 			};
 
@@ -47,6 +48,8 @@ namespace Cryville.Crtr {
 		static FileStream _logFileStream;
 		static StreamLoggerListener _logWriter;
 
+		public static string UnityUserAgent { get; private set; }
+
 		static bool _init;
 		public static void Init() {
 			if (_init) return;
@@ -124,18 +127,19 @@ namespace Cryville.Crtr {
 #error No FFmpeg search path.
 #endif
 
+			var audioEngineBuilder = new EngineBuilder();
 #if UNITY_EDITOR_WIN || UNITY_STANDALONE_WIN
-			EngineBuilder.Engines.Add(typeof(Audio.Wasapi.MMDeviceEnumeratorWrapper));
-			EngineBuilder.Engines.Add(typeof(Audio.WaveformAudio.WaveDeviceManager));
+			audioEngineBuilder.Engines.Add(typeof(Audio.Wasapi.MMDeviceEnumeratorWrapper));
+			audioEngineBuilder.Engines.Add(typeof(Audio.WaveformAudio.WaveDeviceManager));
 #elif UNITY_ANDROID
-			EngineBuilder.Engines.Add(typeof(Audio.AAudio.AAudioManager));
-			EngineBuilder.Engines.Add(typeof(Audio.OpenSLES.Engine));
+			audioEngineBuilder.Engines.Add(typeof(Audio.AAudio.AAudioManager));
+			audioEngineBuilder.Engines.Add(typeof(Audio.OpenSLES.Engine));
 #else
 #error No audio engine defined.
 #endif
 			while (true) {
 				try {
-					AudioManager = EngineBuilder.Create();
+					AudioManager = audioEngineBuilder.Create();
 					if (AudioManager == null) {
 						Dialog.Show(null, "Fatal error: Cannot initialize audio engine");
 						MainLogger.Log(5, "Audio", "Cannot initialize audio engine");
@@ -160,7 +164,7 @@ namespace Cryville.Crtr {
 					Dialog.Show(null, "An error occurred while trying to initialize the recommended audio engine\nTrying to use fallback audio engines");
 					MainLogger.Log(4, "Audio", "An error occurred when initializing the audio engine: {0}", ex);
 					MainLogger.Log(2, "Audio", "Trying to use fallback audio engines");
-					EngineBuilder.Engines.Remove(AudioManager.GetType());
+					audioEngineBuilder.Engines.Remove(AudioManager.GetType());
 				}
 			}
 
@@ -168,15 +172,40 @@ namespace Cryville.Crtr {
 			if (!dir.Exists || Settings.Default.LastRunVersion != Application.version) {
 				Directory.CreateDirectory(dir.FullName);
 				var defaultData = Resources.Load<TextAsset>("default");
-				using (var zip = ZipFile.Read(defaultData.bytes)) {
-					zip.ExtractExistingFile = ExtractExistingFileAction.OverwriteSilently;
-					zip.ExtractAll(Settings.Default.GameDataPath);
-				}
+				using var zip = ZipFile.Read(defaultData.bytes);
+				zip.ExtractExistingFile = ExtractExistingFileAction.OverwriteSilently;
+				zip.ExtractAll(Settings.Default.GameDataPath);
 			}
 
 			Settings.Default.LastRunVersion = Application.version;
 			Settings.Default.Save();
 
+#if UNITY_EDITOR_WIN || UNITY_STANDALONE_WIN
+			UnityUserAgent = string.Format(
+				CultureInfo.InvariantCulture,
+				"CosmoResona/{0} (Windows NT {1}; {2})",
+				Application.version,
+				Environment.OSVersion.Version,
+				RuntimeInformation.OSArchitecture.ToString().ToLowerInvariant()
+			);
+#elif UNITY_ANDROID
+			var androidClassBuildVersion = AndroidJNI.FindClass("android/os/Build$VERSION");
+			var androidRelease = AndroidJNI.GetStaticStringField(androidClassBuildVersion, AndroidJNI.GetStaticFieldID(androidClassBuildVersion, "RELEASE", "Ljava/lang/String;"));
+			var androidClassBuild = AndroidJNI.FindClass("android/os/Build");
+			var androidModel = AndroidJNI.GetStaticStringField(androidClassBuild, AndroidJNI.GetStaticFieldID(androidClassBuild, "MODEL", "Ljava/lang/String;"));
+			var androidID = AndroidJNI.GetStaticStringField(androidClassBuild, AndroidJNI.GetStaticFieldID(androidClassBuild, "ID", "Ljava/lang/String;"));
+			UnityUserAgent = string.Format(
+				CultureInfo.InvariantCulture,
+				"CosmoResona/{0} (Linux; Android {1}; {2} Build/{3})",
+				Application.version,
+				androidRelease ?? "12.0.99",
+				androidModel,
+				androidID
+			);
+#else
+#error No Unity User Agent
+#endif
+
 			MainLogger.Log(1, "UI", "Initializing font manager");
 			foreach (var res in Resources.LoadAll<TextAsset>("cldr/common/validity")) {
 				IdValidity.Load(LoadXmlDocument(res));
@@ -193,18 +222,16 @@ namespace Cryville.Crtr {
 		}
 
 		static readonly Encoding _encoding = new UTF8Encoding(false, true);
-		static readonly XmlReaderSettings _xmlSettings = new XmlReaderSettings {
+		static readonly XmlReaderSettings _xmlSettings = new() {
 			DtdProcessing = DtdProcessing.Ignore,
 		};
 		static XDocument LoadXmlDocument(string path) {
 			return LoadXmlDocument(Resources.Load<TextAsset>(path));
 		}
 		static XDocument LoadXmlDocument(TextAsset asset) {
-			using (var stream = new MemoryStream(_encoding.GetBytes(asset.text))) {
-				using (var reader = XmlReader.Create(stream, _xmlSettings)) {
-					return XDocument.Load(reader);
-				}
-			}
+			using var stream = new MemoryStream(_encoding.GetBytes(asset.text));
+			using var reader = XmlReader.Create(stream, _xmlSettings);
+			return XDocument.Load(reader);
 		}
 
 		static bool _shutdown;
@@ -233,15 +260,13 @@ namespace Cryville.Crtr {
 		}
 
 		static void OnInternalLog(string condition, string stackTrace, LogType type) {
-			int l;
-			switch (type) {
-				case LogType.Log: l = 1; break;
-				case LogType.Assert: l = 2; break;
-				case LogType.Warning: l = 3; break;
-				case LogType.Error:
-				case LogType.Exception: l = 4; break;
-				default: l = 1; break;
-			}
+			var l = type switch {
+				LogType.Log => 1,
+				LogType.Assert => 2,
+				LogType.Warning => 3,
+				LogType.Error or LogType.Exception => 4,
+				_ => 1,
+			};
 			MainLogger.Log(l, "Internal", "{0}\n{1}", condition, stackTrace);
 		}
 

Assets/Cryville/Crtr/JsonPdtExpConverter.cs

@@ -4,7 +4,7 @@ using System;
 
 namespace Cryville.Crtr {
 	public class JsonPdtExpConverter : JsonConverter<PdtExpression> {
-		static readonly PdtFragmentInterpreter _itor = new PdtFragmentInterpreter();
+		static readonly PdtFragmentInterpreter _itor = new();
 		public override PdtExpression ReadJson(JsonReader reader, Type objectType, PdtExpression existingValue, bool hasExistingValue, JsonSerializer serializer) {
 			_itor.SetSource((string)reader.Value);
 			return _itor.GetExp();