Fix conditional compilation.

.gitignore

@@ -61,6 +61,7 @@ crashlytics-build.properties
 #
 /Docs
 /Issues
+/Local
 /Obsolete
 /Snapshots
 /UI

Assets/AssemblyInfo.cs

@@ -1,8 +0,0 @@
-using System.Reflection;
-
-[assembly: AssemblyCompany("Cryville")]
-[assembly: AssemblyCopyright("Copyright © Cryville 2020-2022")]
-[assembly: AssemblyDefaultAlias("Cosmo Resona")]
-[assembly: AssemblyProduct("Cosmo Resona")]
-[assembly: AssemblyTitle("Cosmo Resona")]
-[assembly: AssemblyVersion("0.5.0")]

Assets/Cryville/Common/Buffers/TargetString.cs

@@ -0,0 +1,120 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+
+namespace Cryville.Common.Buffers {
+	/// <summary>
+	/// An auto-resized <see cref="char" /> array as a variable-length string used as a target that is modified frequently.
+	/// </summary>
+	public class TargetString : IEnumerable<char> {
+		public event Action OnUpdate;
+		char[] _arr;
+		bool _invalidated;
+		/// <summary>
+		/// Creates an instance of the <see cref="TargetString" /> class with a capacity of 16.
+		/// </summary>
+		public TargetString() : this(16) { }
+		/// <summary>
+		/// Creates an instance of the <see cref="TargetString" /> class.
+		/// </summary>
+		/// <param name="capacity">The initial capacity of the string.</param>
+		public TargetString(int capacity) {
+			_arr = new char[capacity];
+		}
+		/// <summary>
+		/// Gets or sets one of the characters in the string.
+		/// </summary>
+		/// <param name="index">The zero-based index of the character.</param>
+		/// <returns>The character at the given index.</returns>
+		/// <exception cref="ArgumentOutOfRangeException"><paramref name="index" /> is less than 0 or not less than <see cref="Length" />.</exception>
+		/// <remarks>
+		/// <para>Set <see cref="Length" /> to a desired value before updating the characters.</para>
+		/// <para>Call <see cref=" Validate" /> after all the characters are updated.</para>
+		/// </remarks>
+		public char this[int index] {
+			get {
+				if (index < 0 || index >= m_length)
+					throw new ArgumentOutOfRangeException("index");
+				return _arr[index];
+			}
+			set {
+				if (index < 0 || index >= m_length)
+					throw new ArgumentOutOfRangeException("index");
+				if (_arr[index] == value) return;
+				_arr[index] = value;
+				_invalidated = true;
+			}
+		}
+		int m_length;
+		/// <summary>
+		/// The length of the string.
+		/// </summary>
+		public int Length {
+			get {
+				return m_length;
+			}
+			set {
+				if (m_length == value) return;
+				if (_arr.Length < value) {
+					var len = m_length;
+					while (len < value) len *= 2;
+					var arr2 = new char[len];
+					Array.Copy(_arr, arr2, m_length);
+					_arr = arr2;
+				}
+				m_length = value;
+				_invalidated = true;
+			}
+		}
+		/// <summary>
+		/// Validates the string.
+		/// </summary>
+		public void Validate() {
+			if (!_invalidated) return;
+			_invalidated = false;
+			var ev = OnUpdate;
+			if (ev != null) ev.Invoke();
+		}
+
+		IEnumerator IEnumerable.GetEnumerator() {
+			return GetEnumerator();
+		}
+		public IEnumerator<char> GetEnumerator() {
+			return new Enumerator(this);
+		}
+
+		class Enumerator : IEnumerator<char> {
+			readonly TargetString _self;
+			int _index = -1;
+			public Enumerator(TargetString self) { _self = self; }
+
+			public char Current {
+				get {
+					if (_index < 0)
+						throw new InvalidOperationException(_index == -1 ? "Enum not started" : "Enum ended");
+					return _self[_index];
+				}
+			}
+
+			object IEnumerator.Current { get { return Current; } }
+
+			public void Dispose() {
+				_index = -2;
+			}
+
+			public bool MoveNext() {
+				if (_index == -2) return false;
+				_index++;
+				if (_index >= _self.Length) {
+					_index = -2;
+					return false;
+				}
+				return true;
+			}
+
+			public void Reset() {
+				_index = -1;
+			}
+		}
+	}
+}

Assets/Cryville/Common/Buffers/TargetString.cs.meta

@@ -1,5 +1,5 @@
 fileFormatVersion: 2
-guid: d6a3a023271b82a4985d1bbcc86e6fa8
+guid: f0fc34ac257793d4883a9cfcdb6941b9
 MonoImporter:
   externalObjects: {}
   serializedVersion: 2

Assets/Cryville/Common/IdentifierManager.cs

@@ -10,10 +10,10 @@ namespace Cryville.Common {
 		/// </summary>
 		public static IdentifierManager SharedInstance = new IdentifierManager();
 
-		Dictionary<object, int> _idents = new Dictionary<object, int>();
-		List<object> _ids = new List<object>(); 
+		readonly Dictionary<object, int> _idents = new Dictionary<object, int>();
+		readonly List<object> _ids = new List<object>();
 
-		object _syncRoot = new object();
+		readonly object _syncRoot = new object();
 
 		/// <summary>
 		/// Creates an instance of the <see cref="IdentifierManager" /> class.

Assets/Cryville/Common/Logger.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.IO;
 
 namespace Cryville.Common {
@@ -17,7 +18,7 @@ namespace Cryville.Common {
 		public static void SetLogPath(string path) {
 			logPath = path;
 			var dir = new DirectoryInfo(path);
-			if (!dir.Exists) Directory.CreateDirectory(dir.FullName);
+			if (!dir.Exists) dir.Create();
 		}
 		/// <summary>
 		/// Logs to the specified logger.
@@ -40,7 +41,7 @@ namespace Cryville.Common {
 		public static void Create(string key, Logger logger) {
 			Instances[key] = logger;
 			if (logPath != null) {
-				Files[key] = new StreamWriter(logPath + "/" + ((int)DateTime.UtcNow.Subtract(new DateTime(1970, 1, 1)).TotalSeconds).ToString() + "-" + key + ".log") {
+				Files[key] = new StreamWriter(logPath + "/" + ((int)DateTime.UtcNow.Subtract(new DateTime(1970, 1, 1)).TotalSeconds).ToString(CultureInfo.InvariantCulture) + "-" + key + ".log") {
 					AutoFlush = true
 				};
 			}

Assets/Cryville/Common/Math/FractionUtils.cs

@@ -0,0 +1,78 @@
+using System;
+
+namespace Cryville.Common.Math {
+	/// <summary>
+	/// Provides a set of <see langword="static" /> methods related to fractions.
+	/// </summary>
+	public static class FractionUtils {
+		/// <summary>
+		/// Converts a <see cref="double" /> decimal to a fraction.
+		/// </summary>
+		/// <param name="value">The decimal.</param>
+		/// <param name="error">The error.</param>
+		/// <param name="n">The numerator.</param>
+		/// <param name="d">The denominator.</param>
+		/// <exception cref="ArgumentOutOfRangeException"><paramref name="value" /> is less than 0 or <paramref name="error" /> is not greater than 0 or not less than 1.</exception>
+		public static void ToFraction(double value, double error, out int n, out int d) {
+			if (value < 0.0)
+				throw new ArgumentOutOfRangeException("value", "Must be >= 0.");
+			if (error <= 0.0 || error >= 1.0)
+				throw new ArgumentOutOfRangeException("accuracy", "Must be > 0 and < 1.");
+
+			int num = (int)System.Math.Floor(value);
+			value -= num;
+
+			if (value < error) { n = num; d = 1; return; }
+			if (1 - error < value) { n = num + 1; d = 1; return; }
+
+			int lower_n = 0;
+			int lower_d = 1;
+			int upper_n = 1;
+			int upper_d = 1;
+			while (true) {
+				int middle_n = lower_n + upper_n;
+				int middle_d = lower_d + upper_d;
+
+				if (middle_d * (value + error) < middle_n) {
+					upper_n = middle_n;
+					upper_d = middle_d;
+				}
+				else if (middle_n < (value - error) * middle_d) {
+					lower_n = middle_n;
+					lower_d = middle_d;
+				}
+				else {
+					n = num * middle_d + middle_n;
+					d = middle_d;
+					return;
+				}
+			}
+		}
+
+		/// <summary>
+		/// Gets the greatest common divisor (GCD) of two integers.
+		/// </summary>
+		/// <param name="n">The first integer.</param>
+		/// <param name="d">The second integer.</param>
+		/// <returns>The greatest common divisor (GCD) of the two integers.</returns>
+		public static int GreatestCommonDivisor(int n, int d) {
+			while (d != 0) {
+				int t = d;
+				d = n % d;
+				n = t;
+			}
+			return n;
+		}
+
+		/// <summary>
+		/// Simplifies a fraction.
+		/// </summary>
+		/// <param name="n">The numerator.</param>
+		/// <param name="d">The denominator.</param>
+		public static void Simplify(ref int n, ref int d) {
+			var gcd = GreatestCommonDivisor(n, d);
+			n /= gcd;
+			d /= gcd;
+		}
+	}
+}

Assets/Cryville/Common/Math/FractionUtils.cs.meta

@@ -1,5 +1,5 @@
 fileFormatVersion: 2
-guid: a69a6c726b01961419c4835bba37a218
+guid: 6829ada596979a545a935785eeea2972
 MonoImporter:
   externalObjects: {}
   serializedVersion: 2

Assets/Cryville/Common/Math/SquareMatrix.cs

@@ -1,9 +1,13 @@
-namespace Cryville.Common.Math {
+using System;
+
+namespace Cryville.Common.Math {
 	/// <summary>
 	/// Represents a square matrix.
 	/// </summary>
 	public class SquareMatrix {
 		readonly float[,] content;
+		readonly float[,] buffer;
+		readonly int[] refl;
 		/// <summary>
 		/// The size of the matrix.
 		/// </summary>
@@ -17,6 +21,8 @@
 		/// <param name="size">The size of the matrix.</param>
 		public SquareMatrix(int size) {
 			content = new float[size, size];
+			buffer = new float[size, size];
+			refl = new int[size];
 			Size = size;
 		}
 		/// <summary>
@@ -38,38 +44,36 @@
 		/// <returns>The column vector eliminated.</returns>
 		public ColumnVector<T> Eliminate<T>(ColumnVector<T> v, IVectorOperator<T> o) {
 			int s = Size;
-			float[,] d = (float[,])content.Clone();
-			int[] refl = new int[s];
-			for (int i = 0; i < s; i++)
-				refl[i] = i;
+			Array.Copy(content, buffer, Size * Size);
+			for (int i = 0; i < s; i++) refl[i] = i;
 			for (int r = 0; r < s; r++) {
 				for (int r0 = r; r0 < s; r0++)
-					if (d[refl[r0], r] != 0) {
+					if (buffer[refl[r0], r] != 0) {
 						refl[r] = r0;
 						refl[r0] = r;
 						break;
 					}
 				int or = refl[r];
-				float sf0 = d[or, r];
+				float sf0 = buffer[or, r];
 				for (int c0 = r; c0 < s; c0++)
-					d[or, c0] /= sf0;
+					buffer[or, c0] /= sf0;
 				v[or] = o.ScalarMultiply(1 / sf0, v[or]);
 				for (int r1 = r + 1; r1 < s; r1++) {
 					int or1 = refl[r1];
-					float sf1 = d[or1, r];
+					float sf1 = buffer[or1, r];
 					for (int c1 = r; c1 < s; c1++)
-						d[or1, c1] -= d[or, c1] * sf1;
+						buffer[or1, c1] -= buffer[or, c1] * sf1;
 					v[or1] = o.Add(v[or1], o.ScalarMultiply(-sf1, v[or]));
 				}
 			}
-			T[] res = new T[s];
+			ColumnVector<T> res = new ColumnVector<T>(s);
 			for (int r2 = s - 1; r2 >= 0; r2--) {
 				var v2 = v[refl[r2]];
 				for (int c2 = r2 + 1; c2 < s; c2++)
-					v2 = o.Add(v2, o.ScalarMultiply(-d[refl[r2], c2], res[refl[c2]]));
+					v2 = o.Add(v2, o.ScalarMultiply(-buffer[refl[r2], c2], res[refl[c2]]));
 				res[refl[r2]] = v2;
 			}
-			return new ColumnVector<T>(res);
+			return res;
 		}
 		/// <summary>
 		/// Creates a square matrix and fills it with polynomial coefficients.

Assets/Cryville/Common/Network/HttpClient.cs

@@ -77,7 +77,7 @@ namespace Cryville.Common.Network {
 					encoding = Encoding.UTF8;
 				payload = encoding.GetBytes(body);
 				headers.Add("Content-Encoding", encoding.EncodingName);
-				headers.Add("Content-Length", payload.Length.ToString());
+				headers.Add("Content-Length", payload.Length.ToString(CultureInfo.InvariantCulture));
 			}
 			string request_line = string.Format(
 				"{0} {1} {2}\r\n", method, uri, Version

Assets/Cryville/Common/Network/HttpResponseStream.cs

@@ -19,9 +19,7 @@ namespace Cryville.Common.Network {
 			set { throw new NotSupportedException(); }
 		}
 		
-		public override void Flush() {
-			// Do nothing
-		}
+		public override void Flush() { }
 
 		public abstract byte[] ReadToEnd();
 

Assets/Cryville/Common/Network/TlsClient.cs

@@ -28,7 +28,7 @@ namespace Cryville.Common.Network {
 		}
 
 		private class InternalTlsClient : DefaultTlsClient {
-			string _host;
+			readonly string _host;
 
 			public InternalTlsClient(string host, TlsCrypto crypto) : base(crypto) {
 				_host = host;
@@ -92,9 +92,7 @@ namespace Cryville.Common.Network {
 				return null;
 			}
 
-			public void NotifyServerCertificate(TlsServerCertificate serverCertificate) {
-				// Do nothing
-			}
+			public void NotifyServerCertificate(TlsServerCertificate serverCertificate) { }
 		}
 	}
 }

Assets/Cryville/Common/Pdt/PdtOperator.cs

@@ -19,7 +19,8 @@ namespace Cryville.Common.Pdt {
 		/// <returns>The operand at the specified index.</returns>
 		/// <exception cref="IndexOutOfRangeException"><paramref name="index" /> is not less than <see cref="LoadedOperandCount" /> or less than 0.</exception>
 		protected PdtVariableMemory GetOperand(int index) {
-			if (index >= LoadedOperandCount || index < 0) throw new IndexOutOfRangeException();
+			if (index >= LoadedOperandCount || index < 0)
+				throw new ArgumentOutOfRangeException("index");
 			int i = index + _loadindex;
 			return _operands[i];
 		}
@@ -33,11 +34,9 @@ namespace Cryville.Common.Pdt {
 			_operands = new PdtVariableMemory[pc];
 		}
 		PdtEvaluatorBase _etor;
-		bool _failure = false;
 		bool _rfreq = true;
 		internal void Begin(PdtEvaluatorBase etor) {
 			_etor = etor;
-			_failure = false;
 			_loadindex = ParamCount;
 		}
 		internal void LoadOperand(PdtVariableMemory mem) {
@@ -51,10 +50,6 @@ namespace Cryville.Common.Pdt {
 				if (_rfreq) _etor.DiscardStack();
 				throw new InvalidOperationException("Evaluation failed", ex);
 			}
-			if (_failure) {
-				if (_rfreq) _etor.DiscardStack();
-				throw new InvalidOperationException("Evaluation failed");
-			}
 			if (!_rfreq && !noset) throw new InvalidOperationException("Return frame not set");
 		}
 		/// <summary>
@@ -69,10 +64,7 @@ namespace Cryville.Common.Pdt {
 		/// <returns>The return frame.</returns>
 		/// <exception cref="InvalidOperationException">The return frame has already been requested.</exception>
 		protected PdtVariableMemory GetReturnFrame(int type, int len) {
-			if (_rfreq) {
-				_failure = true;
-				throw new InvalidOperationException("Return frame already requested");
-			}
+			if (_rfreq) throw new InvalidOperationException("Return frame requested twice");
 			_rfreq = true;
 			return _etor.StackAlloc(type, _prmem, len);
 		}

Assets/Cryville/Common/Plist/PlistConvert.cs

@@ -1,49 +0,0 @@
-using System;
-using System.Collections;
-using System.Collections.Generic;
-using System.Reflection;
-
-namespace Cryville.Common.Plist {
-	public class PlistConvert {
-		public static T Deserialize<T>(string file) {
-			return (T)Deserialize(typeof(T), PlistCS.Plist.readPlist(file));
-		}
-
-		public static object Deserialize(Type type, object obj, Binder binder = null) {
-			if (binder == null)
-				binder = BinderAttribute.CreateBinderOfType(type);
-			if (obj is IList) {
-				var lobj = (List<object>)obj;
-				foreach (var i in lobj) {
-					throw new NotImplementedException(); // TODO
-				}
-			}
-			else if (obj is IDictionary) {
-				var dobj = (Dictionary<string, object>)obj;
-				if (typeof(IDictionary).IsAssignableFrom(type)) {
-					var result = (IDictionary)ReflectionHelper.InvokeEmptyConstructor(type);
-					var it = type.GetGenericArguments()[1];
-					foreach (var i in dobj) {
-						var value = Deserialize(it, i.Value, binder);
-						result.Add(i.Key, value);
-					}
-					return result;
-				}
-				else {
-					var result = ReflectionHelper.InvokeEmptyConstructor(type);
-					foreach (var i in dobj) {
-						var imis = type.GetMember(i.Key);
-						if (imis.Length == 0) continue;
-						var imi = imis[0];
-						var it = ReflectionHelper.GetMemberType(imi);
-						var value = Deserialize(it, i.Value, binder);
-						ReflectionHelper.SetValue(imi, result, value, binder);
-					}
-					return result;
-				}
-			}
-			else return obj;
-			throw new Exception(); // TODO
-		}
-	}
-}

Assets/Cryville/Common/ReflectionHelper.cs

@@ -168,5 +168,19 @@ namespace Cryville.Common {
 			}
 			return result;
 		}
+
+		/// <summary>
+		/// Gets the namespace qualified name of a type.
+		/// </summary>
+		/// <param name="type">The type.</param>
+		/// <returns>The namespace qualified name of the class.</returns>
+		public static string GetNamespaceQualifiedName(Type type) {
+			string result = type.Namespace + "." + type.Name;
+			var typeargs = type.GetGenericArguments();
+			if (typeargs.Length > 0) {
+				result = string.Format("{0}[{1}]", result, string.Join(",", from a in typeargs select GetNamespaceQualifiedName(a)));
+			}
+			return result;
+		}
 	}
 }

Assets/Cryville/Common/StringUtils.cs

@@ -40,7 +40,25 @@ namespace Cryville.Common {
 		/// <param name="name">The file name excluding the extension.</param>
 		/// <returns>The escaped file name.</returns>
 		public static string EscapeFileName(string name) {
-			return Regex.Replace(name, @"[\/\\\<\>\:\x22\|\?\*\p{Cc}\.\s]", "_");
+			var result = Regex.Replace(name, @"[\/\\\<\>\:\x22\|\?\*\p{Cc}]", "_").TrimEnd(' ', '.');
+			if (result.Length == 0) return "_";
+			return result;
+		}
+		/// <summary>
+		/// Gets the process path from a command.
+		/// </summary>
+		/// <param name="command">The command.</param>
+		/// <returns>The process path.</returns>
+		public static string GetProcessPathFromCommand(string command) {
+			command = command.Trim();
+			if (command[0] == '"') {
+				return command.Substring(1, command.IndexOf('"', 1) - 1);
+			}
+			else {
+				int e = command.IndexOf(' ');
+				if (e == -1) return command;
+				else return command.Substring(0, e);
+			}
 		}
 	}
 }

Assets/Cryville/Common/Unity/CallHelper.cs

@@ -9,14 +9,6 @@ namespace Cryville.Common.Unity {
 			return (num2 & num) == num;
 		}
 
-		public static void ShowException(Exception ex) {
-			ShowMessageBox(ex.ToString());
-		}
-
-		public static void ShowMessageBox(string message) {
-			GameObject.Instantiate<GameObject>(Resources.Load<GameObject>("Common/Popup")).GetComponent<Popup>().Message = message;
-		}
-
 		public static void Purge(Transform obj) {
 			foreach (Transform i in obj)
 				GameObject.Destroy(i.gameObject);

Assets/Cryville/Common/Unity/FileDialog.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Generic;
 using System.IO;
 using UnityEngine;
 using UnityEngine.UI;
@@ -11,13 +12,13 @@ namespace Cryville.Common.Unity {
 		Transform dirs;
 		Transform files;
 
-		public Action Callback { private get; set; }
+		public event Action OnClose;
 
 #if UNITY_ANDROID && !UNITY_EDITOR_WIN
 		string androidStorage = "";
 #endif
 
-		string fileName = "";
+		string fileName = null;
 		public string FileName {
 			get { return fileName; }
 		}
@@ -27,8 +28,16 @@ namespace Cryville.Common.Unity {
 			set { m_filter = value; }
 		}
 
-#pragma warning disable IDE0051
+		public Dictionary<string, string> m_presetPaths = new Dictionary<string, string>();
+		public Dictionary<string, string> PresetPaths {
+			get { return m_presetPaths; }
+			set { m_presetPaths = value; }
+		}
+
+		GameObject prefabButton;
+
 		void Start() {
+			prefabButton = Resources.Load<GameObject>("Common/Button");
 			panel = gameObject.transform.Find("Panel");
 			title = panel.Find("Title/Text");
 			drives = panel.Find("Drives/DrivesInner");
@@ -38,8 +47,8 @@ namespace Cryville.Common.Unity {
 #if UNITY_EDITOR_WIN || UNITY_STANDALONE_WIN
 				CurrentDirectory = new DirectoryInfo(Directory.GetCurrentDirectory());
 #elif UNITY_ANDROID
-				using (AndroidJavaClass ajc=new AndroidJavaClass("android.os.Environment"))
-				using (AndroidJavaObject file=ajc.CallStatic<AndroidJavaObject>("getExternalStorageDirectory")) {
+				using (AndroidJavaClass ajc = new AndroidJavaClass("android.os.Environment"))
+				using (AndroidJavaObject file = ajc.CallStatic<AndroidJavaObject>("getExternalStorageDirectory")) {
 					androidStorage = file.Call<string>("getAbsolutePath");
 					CurrentDirectory = new DirectoryInfo(androidStorage);
 				}
@@ -47,9 +56,8 @@ namespace Cryville.Common.Unity {
 #error No default directory
 #endif
 			}
-			UpdateGUI();
+			UpdateGUI(0);
 		}
-#pragma warning restore IDE0051
 
 		public void Show() {
 			fileName = null;
@@ -57,85 +65,82 @@ namespace Cryville.Common.Unity {
 		}
 
 		public void Close() {
-			if (Callback != null) Callback.Invoke();
+			var ev = OnClose;
+			if (ev != null) ev.Invoke();
 			gameObject.SetActive(false);
 		}
 
 		public DirectoryInfo CurrentDirectory;
 
-		void OnDriveChanged(string s) {
-#if UNITY_STANDALONE_WIN || UNITY_EDITOR_WIN
-			CurrentDirectory = new DirectoryInfo(s);
-#elif UNITY_ANDROID
-			switch (s) {
-				case "?storage":
-					CurrentDirectory = new DirectoryInfo(androidStorage);
-					break;
-			}
-#else
-#error No change drive logic
-#endif
-			UpdateGUI();
+		void ChangeDirectory(DirectoryInfo s) {
+			CurrentDirectory = s;
+			UpdateGUI(1);
 		}
 
-		void OnDirectoryChanged(string s) {
-			CurrentDirectory = new DirectoryInfo(CurrentDirectory.FullName + "/" + s);
-			UpdateGUI();
-		}
-
-		void OnFileChanged(string s) {
+		void SelectFile(string s) {
 			fileName = s;
 			Close();
 		}
 
-		void UpdateGUI() {
+		void UpdateGUI(int depth) {
 			title.GetComponent<Text>().text = CurrentDirectory.FullName;
 
-			CallHelper.Purge(drives);
+			if (depth <= 0) {
+				CallHelper.Purge(drives);
 #if UNITY_STANDALONE_WIN || UNITY_EDITOR_WIN
-			var dl = Directory.GetLogicalDrives();
-			foreach (string d in dl) {
-				GameObject btn = GameObject.Instantiate<GameObject>(Resources.Load<GameObject>("Common/Button"));
-				btn.GetComponentInChildren<Text>().text = d;
-				var ts = d;
-				btn.GetComponentInChildren<Button>().onClick.AddListener(() => OnDriveChanged(ts));
-				btn.transform.SetParent(drives, false);
-			}
+				var dl = Directory.GetLogicalDrives();
+				foreach (string d in dl) {
+					GameObject btn = Instantiate(prefabButton);
+					btn.GetComponentInChildren<Text>().text = d;
+					btn.GetComponentInChildren<Button>().onClick.AddListener(() => ChangeDirectory(new DirectoryInfo(d)));
+					btn.transform.SetParent(drives, false);
+				}
 #elif UNITY_ANDROID
-			GameObject sbtn = GameObject.Instantiate<GameObject>(Resources.Load<GameObject>("Common/Button"));
-			sbtn.GetComponentInChildren<Text>().text = "Storage";
-			sbtn.GetComponentInChildren<Button>().onClick.AddListener(() => OnDriveChanged("?storage"));
-			sbtn.transform.SetParent(drives, false);
+				GameObject sbtn = GameObject.Instantiate<GameObject>(prefabButton);
+				sbtn.GetComponentInChildren<Text>().text = "Storage";
+				sbtn.GetComponentInChildren<Button>().onClick.AddListener(() => ChangeDirectory(new DirectoryInfo(androidStorage)));
+				sbtn.transform.SetParent(drives, false);
 #else
 #error No update GUI logic
 #endif
+				foreach (var p in m_presetPaths) {
+					var d = new DirectoryInfo(p.Value);
+					if (d.Exists) {
+						GameObject btn = Instantiate(prefabButton);
+						btn.GetComponentInChildren<Text>().text = p.Key;
+						btn.GetComponentInChildren<Button>().onClick.AddListener(() => ChangeDirectory(d));
+						btn.transform.SetParent(drives, false);
+					}
+				}
+			}
 
 			CallHelper.Purge(dirs);
 			DirectoryInfo[] subdirs = CurrentDirectory.GetDirectories();
-			GameObject pbtn = GameObject.Instantiate<GameObject>(Resources.Load<GameObject>("Common/Button"));
+			GameObject pbtn = Instantiate(prefabButton);
 			pbtn.GetComponentInChildren<Text>().text = "..";
-			pbtn.GetComponentInChildren<Button>().onClick.AddListener(() => OnDirectoryChanged(".."));
+			pbtn.GetComponentInChildren<Button>().onClick.AddListener(() => ChangeDirectory(new DirectoryInfo(Path.Combine(CurrentDirectory.FullName, ".."))));
 			pbtn.transform.SetParent(dirs, false);
 			foreach (DirectoryInfo d in subdirs) {
-				GameObject btn = GameObject.Instantiate<GameObject>(Resources.Load<GameObject>("Common/Button"));
+				GameObject btn = Instantiate(prefabButton);
 				btn.GetComponentInChildren<Text>().text = d.Name;
-				var ts = d.Name;
-				btn.GetComponentInChildren<Button>().onClick.AddListener(() => OnDirectoryChanged(ts));
+				var ts = d;
+				btn.GetComponentInChildren<Button>().onClick.AddListener(() => ChangeDirectory(ts));
 				btn.transform.SetParent(dirs, false);
 			}
 
 			CallHelper.Purge(files);
 			FileInfo[] fl = CurrentDirectory.GetFiles();
 			foreach (FileInfo d in fl) {
-				foreach (string ext in m_filter)
-					if (d.Extension == ext) goto ext_matched;
-				continue;
-			ext_matched:
-				GameObject btn = GameObject.Instantiate<GameObject>(Resources.Load<GameObject>("Common/Button"));
-				btn.GetComponentInChildren<Text>().text = d.Name + " / " + (d.Length / 1024.0).ToString("0.0 KiB");
-				var ts = d.FullName;
-				btn.GetComponentInChildren<Button>().onClick.AddListener(() => OnFileChanged(ts));
-				btn.transform.SetParent(files, false);
+				foreach (string ext in m_filter) {
+					if (d.Extension == ext) {
+						GameObject btn = Instantiate(prefabButton);
+						btn.GetComponentInChildren<Text>().text = d.Name + " / " + (d.Length / 1024.0).ToString("0.0 KiB");
+						var ts = d.FullName;
+						btn.GetComponentInChildren<Button>().onClick.AddListener(() => SelectFile(ts));
+						btn.transform.SetParent(files, false);
+						break;
+					}
+				}
 			}
 		}
 	}

Assets/Cryville/Common/Unity/Input/InputManager.cs

@@ -11,8 +11,8 @@ namespace Cryville.Common.Unity.Input {
 			typeof(UnityMouseHandler),
 			typeof(UnityTouchHandler),
 		};
-		// TODO set private
-		public readonly List<InputHandler> _handlers = new List<InputHandler>();
+		readonly List<InputHandler> _handlers = new List<InputHandler>();
+		readonly Dictionary<Type, InputHandler> _typemap = new Dictionary<Type, InputHandler>();
 		readonly Dictionary<InputHandler, double> _timeOrigins = new Dictionary<InputHandler, double>();
 		readonly object _lock = new object();
 		readonly Dictionary<InputIdentifier, InputVector> _vectors = new Dictionary<InputIdentifier, InputVector>();
@@ -22,6 +22,7 @@ namespace Cryville.Common.Unity.Input {
 				try {
 					if (!typeof(InputHandler).IsAssignableFrom(t)) continue;
 					var h = (InputHandler)ReflectionHelper.InvokeEmptyConstructor(t);
+					_typemap.Add(t, h);
 					h.OnInput += OnInput;
 					_handlers.Add(h);
 					_timeOrigins.Add(h, 0);
@@ -32,6 +33,9 @@ namespace Cryville.Common.Unity.Input {
 				}
 			}
 		}
+		public InputHandler GetHandler(string name) {
+			return _typemap[Type.GetType(name)];
+		}
 		public void Activate() {
 			lock (_lock) {
 				_events.Clear();

Assets/Cryville/Common/Unity/Input/UnityKeyHandler.cs

@@ -49,6 +49,9 @@ namespace Cryville.Common.Unity.Input {
 			Callback = h;
 		}
 		public abstract string GetKeyName(int type);
+		void Awake() {
+			useGUILayout = false;
+		}
 		void Update() {
 			double time = Time.realtimeSinceStartupAsDouble;
 			foreach (var k in Keys) {

Assets/Cryville/Common/Unity/Input/UnityMouseHandler.cs

@@ -28,19 +28,19 @@ namespace Cryville.Common.Unity.Input {
 		}
 
 		public override bool IsNullable(int type) {
-			if (type != 0) throw new ArgumentOutOfRangeException(nameof(type));
+			if (type != 0) throw new ArgumentOutOfRangeException("type");
 			return false;
 		}
 
 		public override byte GetDimension(int type) {
-			if (type != 0) throw new ArgumentOutOfRangeException(nameof(type));
+			if (type != 0) throw new ArgumentOutOfRangeException("type");
 			return 2;
 		}
 
 		public override string GetTypeName(int type) {
 			switch (type) {
 				case 0: return "Mouse Position";
-				default: throw new ArgumentOutOfRangeException(nameof(type));
+				default: throw new ArgumentOutOfRangeException("type");
 			}
 		}
 

Assets/Cryville/Common/Unity/Input/UnityTouchHandler.cs

@@ -28,19 +28,19 @@ namespace Cryville.Common.Unity.Input {
 		}
 
 		public override bool IsNullable(int type) {
-			if (type != 0) throw new ArgumentOutOfRangeException(nameof(type));
+			if (type != 0) throw new ArgumentOutOfRangeException("type");
 			return true;
 		}
 
 		public override byte GetDimension(int type) {
-			if (type != 0) throw new ArgumentOutOfRangeException(nameof(type));
+			if (type != 0) throw new ArgumentOutOfRangeException("type");
 			return 2;
 		}
 
 		public override string GetTypeName(int type) {
 			switch (type) {
 				case 0: return "Touch";
-				default: throw new ArgumentOutOfRangeException(nameof(type));
+				default: throw new ArgumentOutOfRangeException("type");
 			}
 		}
 

Assets/Cryville/Common/Unity/Popup.cs

@@ -1,29 +0,0 @@
-using UnityEngine;
-using UnityEngine.UI;
-
-namespace Cryville.Common.Unity {
-	public class Popup : MonoBehaviour {
-
-		public string Message = "";
-
-		LayoutElement layout;
-
-		float timer = 0;
-
-#pragma warning disable IDE0051
-		void Start() {
-			layout = GetComponent<LayoutElement>();
-			GetComponentInChildren<Text>().text = Message;
-			transform.SetParent(GameObject.Find("PopupList").transform);
-			layout.minHeight = 0;
-		}
-
-		void Update() {
-			if (timer <= 0.8f) layout.minHeight = timer * 50;
-			else if (timer >= 5f) GameObject.Destroy(gameObject);
-			else if (timer >= 4.2f) layout.minHeight = (300 - timer) * 50;
-			timer += Time.deltaTime;
-		}
-#pragma warning restore IDE0051
-	}
-}

Assets/Cryville/Common/Unity/PropItem.cs

@@ -118,7 +118,7 @@ namespace Cryville.Common.Unity {
 				fdialog = GameObject.Instantiate<GameObject>(Resources.Load<GameObject>("Common/FileDialog")).GetComponent<FileDialog>();
 				fdialog.Filter = filter;
 				fdialog.CurrentDirectory = ContextPath;
-				fdialog.Callback = () => OnFileDialogClosed();
+				fdialog.OnClose += OnFileDialogClosed;
 			}
 			editor.SetDescription(PropertyName, desc);
 			UpdateValue();
@@ -133,10 +133,10 @@ namespace Cryville.Common.Unity {
 					prop.SetValue(Target, v, new object[]{ });
 				}
 				catch (TargetInvocationException ex) {
-					CallHelper.ShowMessageBox(ex.InnerException.Message);
+					// CallHelper.ShowMessageBox(ex.InnerException.Message);
 				}
 				catch (Exception ex) {
-					CallHelper.ShowMessageBox(ex.Message);
+					// CallHelper.ShowMessageBox(ex.Message);
 				}
 			}
 			UpdateValue();

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

@@ -126,8 +126,8 @@ namespace Cryville.Common.Unity.UI {
 		void Update() {
 			Vector2 cprectsize = ((RectTransform)transform.parent).rect.size;
 			if (cprectsize != pprectsize) {
-				OnFrameUpdate();
 				pprectsize = cprectsize;
+				OnFrameUpdate();
 			}
 		}
 #pragma warning restore IDE0051
@@ -200,8 +200,7 @@ namespace Cryville.Common.Unity.UI {
 
 		void GenerateLine(int index, int line) {
 			for (int j = 0; j < LineItemCount; j++) {
-				var child = GameObject.Instantiate(m_itemTemplate);
-				child.transform.SetParent(transform, false);
+				var child = GameObject.Instantiate(m_itemTemplate, transform, false);
 				lines[index][j] = child;
 			}
 			LoadLine(index, line);

Assets/Cryville/Crtr/Browsing/ChartResourceImporter.cs

@@ -0,0 +1,22 @@
+using Newtonsoft.Json;
+using System.Collections.Generic;
+using System.IO;
+using System.Text;
+
+namespace Cryville.Crtr.Browsing {
+	public class ChartResourceImporter : ResourceConverter {
+		static readonly string[] SUPPORTED_FORMATS = { ".umgc" };
+		public override string[] GetSupportedFormats() {
+			return SUPPORTED_FORMATS;
+		}
+
+		public override IEnumerable<Resource> ConvertFrom(FileInfo file) {
+			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());
+				return new Resource[] { new ChartResource(data.name, file) };
+			}
+		}
+	}
+}

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

@@ -1,8 +1,7 @@
 fileFormatVersion: 2
-guid: 62489f8e495a805478e5b45c0f53ca4e
-timeCreated: 1623583546
-licenseType: Pro
+guid: 168366bb891392b42a1d0a6bfa068ff3
 MonoImporter:
+  externalObjects: {}
   serializedVersion: 2
   defaultReferences: []
   executionOrder: 0

Assets/Cryville/Crtr/Browsing/DetailPanel.cs

@@ -47,11 +47,11 @@ namespace Cryville.Crtr.Browsing {
 			_cover.sprite = m_coverPlaceholder;
 			if (data.Cover != null) data.Cover.Destination = DisplayCover;
 			var meta = data.Meta;
-			_title.text = string.Format("{0}\n{1}", meta.song.name, meta.chart.name);
+			_title.text = string.Format("{0}\n{1}", meta.song.name, meta.name);
 			_desc.text = string.Format(
 				"Music artist: {0}\nCharter: {1}\nLength: {2}\nNote Count: {3}",
-				meta.song.author, meta.chart.author,
-				TimeSpan.FromSeconds(meta.chart.length).ToString(3), meta.note_count
+				meta.song.author, meta.author,
+				TimeSpan.FromSeconds(meta.length).ToString(3), meta.note_count
 			);
 		}
 		private void DisplayCover(bool succeeded, Texture2D tex) {
@@ -60,10 +60,10 @@ namespace Cryville.Crtr.Browsing {
 			}
 		}
 		public void OnPlay() {
-			Master.Open(_id);
+			Master.Open(_id, _data);
 		}
 		public void OnConfig() {
-			Master.OpenConfig(_id);
+			Master.OpenConfig(_id, _data);
 		}
 	}
 }

Assets/Cryville/Crtr/Browsing/ExtensionInterface.cs

@@ -0,0 +1,9 @@
+using System;
+using System.Collections.Generic;
+
+namespace Cryville.Crtr.Browsing {
+	public abstract class ExtensionInterface {
+		public abstract IEnumerable<ResourceConverter> GetResourceConverters();
+		public abstract IEnumerable<LocalResourceFinder> GetResourceFinders();
+	}
+}

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

@@ -1,8 +1,7 @@
 fileFormatVersion: 2
-guid: 58e01e1e11af164408a19c1086709bd7
-timeCreated: 1638411495
-licenseType: Free
+guid: 4ffe72fef6ebb9e4da3571b4117f0d6d
 MonoImporter:
+  externalObjects: {}
   serializedVersion: 2
   defaultReferences: []
   executionOrder: 0

Assets/Cryville/Crtr/Browsing/IResourceManager.cs

@@ -1,4 +1,6 @@
-namespace Cryville.Crtr.Browsing {
+using System.Collections.Generic;
+
+namespace Cryville.Crtr.Browsing {
 	public interface IResourceManager<T> {
 		string[] CurrentDirectory { get; }
 		int ChangeDirectory(string[] dir);
@@ -10,5 +12,6 @@
 
 		bool ImportItemFrom(string path);
 		string[] GetSupportedFormats();
+		Dictionary<string, string> GetPresetPaths();
 	}
 }

Assets/Cryville/Crtr/Browsing/LegacyResourceManager.cs

@@ -6,6 +6,7 @@ using System.Collections.Generic;
 using System.IO;
 using System.Linq;
 using UnityEngine;
+using Logger = Cryville.Common.Logger;
 
 namespace Cryville.Crtr.Browsing {
 	internal class LegacyResourceManager : IResourceManager<ChartDetail> {
@@ -16,6 +17,8 @@ namespace Cryville.Crtr.Browsing {
 
 		static readonly Dictionary<string, List<ResourceConverter>> converters
 			= new Dictionary<string, List<ResourceConverter>>();
+		static readonly Dictionary<string, string> localRes
+			= new Dictionary<string, string>();
 
 		public LegacyResourceManager(string rootPath) {
 			_rootPath = rootPath;
@@ -24,13 +27,35 @@ namespace Cryville.Crtr.Browsing {
 		static LegacyResourceManager() {
 			foreach (var asm in AppDomain.CurrentDomain.GetAssemblies()) {
 				foreach (var type in asm.GetTypes()) {
-					if (type.IsSubclassOf(typeof(ResourceConverter))) {
-						var converter = (ResourceConverter)Activator.CreateInstance(type);
-						foreach (var f in converter.GetSupportedFormats()) {
-							if (!converters.ContainsKey(f))
-								converters.Add(f, new List<ResourceConverter> { converter });
-							else converters[f].Add(converter);
+					if (!type.IsSubclassOf(typeof(ExtensionInterface))) continue;
+					var ext = (ExtensionInterface)Activator.CreateInstance(type);
+					try {
+						var cs = ext.GetResourceConverters();
+						if (cs != null) {
+							foreach (var c in cs) {
+								var fs = c.GetSupportedFormats();
+								if (fs == null) continue;
+								foreach (var f in fs) {
+									if (f == null) continue;
+									if (!converters.ContainsKey(f))
+										converters.Add(f, new List<ResourceConverter> { c });
+									else converters[f].Add(c);
+								}
+							}
 						}
+						var fs2 = ext.GetResourceFinders();
+						if (fs2 != null) {
+							foreach (var f in fs2) {
+								var name = f.Name;
+								var path = f.GetRootPath();
+								if (name != null && path != null)
+									localRes.Add(name, path);
+							}
+						}
+						Logger.Log("main", 1, "Resource", "Loaded extension {0}", ReflectionHelper.GetNamespaceQualifiedName(type));
+					}
+					catch (Exception ex) {
+						Logger.Log("main", 4, "Resource", "Failed to initialize extension {0}: {1}", ReflectionHelper.GetNamespaceQualifiedName(type), ex);
 					}
 				}
 			}
@@ -58,22 +83,25 @@ namespace Cryville.Crtr.Browsing {
 
 		public ResourceItemMeta GetItemMeta(int id) {
 			var item = items[id];
-			AsyncDelivery<Texture2D> cover = null;
-			var coverFile = item.GetFiles("cover.*");
-			if (coverFile.Length > 0) {
-				cover = new AsyncDelivery<Texture2D>();
-				var task = new LoadTextureTask(Game.FileProtocolPrefix + coverFile[0].FullName, cover.Deliver);
-				cover.CancelSource = task.Cancel;
-				Game.NetworkTaskWorker.SubmitNetworkTask(task);
-			}
+			var meta = new ChartMeta();
 			string name = item.Name;
 			string desc = "(Unknown)";
-			var metaFile = new FileInfo(item.FullName + "/meta.json");
+			var metaFile = new FileInfo(item.FullName + "/.umgc");
 			if (metaFile.Exists) {
 				using (var reader = new StreamReader(metaFile.FullName)) {
-					var meta = JsonConvert.DeserializeObject<ChartMeta>(reader.ReadToEnd());
+					meta = JsonConvert.DeserializeObject<ChartMeta>(reader.ReadToEnd());
 					name = meta.song.name;
-					desc = meta.chart.name;
+					desc = meta.name;
+				}
+			}
+			AsyncDelivery<Texture2D> cover = null;
+			if (meta.cover != null && meta.cover != "") {
+				var coverFile = item.GetFiles(meta.cover);
+				if (coverFile.Length > 0) {
+					cover = new AsyncDelivery<Texture2D>();
+					var task = new LoadTextureTask(Game.FileProtocolPrefix + coverFile[0].FullName, cover.Deliver);
+					cover.CancelSource = task.Cancel;
+					Game.NetworkTaskWorker.SubmitNetworkTask(task);
 				}
 			}
 			return new ResourceItemMeta {
@@ -86,21 +114,23 @@ namespace Cryville.Crtr.Browsing {
 
 		public ChartDetail GetItemDetail(int id) {
 			var item = items[id];
-			AsyncDelivery<Texture2D> cover = null;
-			var coverFile = item.GetFiles("cover.*");
-			if (coverFile.Length > 0) {
-				cover = new AsyncDelivery<Texture2D>();
-				var task = new LoadTextureTask(Game.FileProtocolPrefix + coverFile[0].FullName, cover.Deliver);
-				cover.CancelSource = task.Cancel;
-				Game.NetworkTaskWorker.SubmitNetworkTask(task);
-			}
-			ChartMeta meta = new ChartMeta();
-			var metaFile = new FileInfo(item.FullName + "/meta.json");
+			var meta = new ChartMeta();
+			var metaFile = new FileInfo(item.FullName + "/.umgc");
 			if (metaFile.Exists) {
 				using (var reader = new StreamReader(metaFile.FullName)) {
 					meta = JsonConvert.DeserializeObject<ChartMeta>(reader.ReadToEnd());
 				}
 			}
+			AsyncDelivery<Texture2D> cover = null;
+			if (meta.cover != null && meta.cover != "") {
+				var coverFile = item.GetFiles(meta.cover);
+				if (coverFile.Length > 0) {
+					cover = new AsyncDelivery<Texture2D>();
+					var task = new LoadTextureTask(Game.FileProtocolPrefix + coverFile[0].FullName, cover.Deliver);
+					cover.CancelSource = task.Cancel;
+					Game.NetworkTaskWorker.SubmitNetworkTask(task);
+				}
+			}
 			return new ChartDetail {
 				Cover = cover,
 				Meta = meta,
@@ -108,39 +138,74 @@ namespace Cryville.Crtr.Browsing {
 		}
 
 		public string GetItemPath(int id) {
-			return items[id].Name + "/.umgc";
+			var item = items[id];
+			var meta = new ChartMeta();
+			var metaFile = new FileInfo(item.FullName + "/.umgc");
+			using (var reader = new StreamReader(metaFile.FullName)) {
+				meta = JsonConvert.DeserializeObject<ChartMeta>(reader.ReadToEnd());
+			}
+			return string.Format("{0}/{1}.json", items[id].Name, meta.data);
 		}
 
 		public bool ImportItemFrom(string path) {
 			var file = new FileInfo(path);
 			if (!converters.ContainsKey(file.Extension)) return false;
 			foreach (var converter in converters[file.Extension]) {
-				var resources = converter.ConvertFrom(file);
+				IEnumerable<Resource> resources = null;
+				try {
+					resources = converter.ConvertFrom(file);
+				}
+				catch (Exception ex) {
+					LogAndPopup(4, ex.Message);
+					return false;
+				}
 				foreach (var res in resources) {
-					if (res is ChartResource) {
-						var tres = (ChartResource)res;
+					if (!res.Valid) {
+						LogAndPopup(3, "Attempt to import invalid resource: {0}", res);
+					}
+					else if (res is RawChartResource) {
+						var tres = (RawChartResource)res;
 						var dir = new DirectoryInfo(_rootPath + "/charts/" + res.Name);
 						if (!dir.Exists) dir.Create();
-						using (var writer = new StreamWriter(dir.FullName + "/.umgc")) {
+						using (var writer = new StreamWriter(dir.FullName + "/.json")) {
 							writer.Write(JsonConvert.SerializeObject(tres.Main, Game.GlobalJsonSerializerSettings));
 						}
-						using (var writer = new StreamWriter(dir.FullName + "/meta.json")) {
+						using (var writer = new StreamWriter(dir.FullName + "/.umgc")) {
+							tres.Meta.data = "";
 							writer.Write(JsonConvert.SerializeObject(tres.Meta, Game.GlobalJsonSerializerSettings));
 						}
+						if (tres.Meta.cover != null) {
+							var coverFile = new FileInfo(Path.Combine(file.Directory.FullName, tres.Meta.cover));
+							if (coverFile.Exists)
+								coverFile.CopyTo(Path.Combine(dir.FullName, tres.Meta.cover), true);
+						}
 					}
-					else if (res is CoverResource) {
-						var tres = (CoverResource)res;
-						var dir = new DirectoryInfo(_rootPath + "/charts/" + res.Name);
-						if (!dir.Exists) dir.Create();
-						var dest = new FileInfo(_rootPath + "/charts/" + res.Name + "/cover" + tres.Source.Extension);
-						if (!dest.Exists) tres.Source.CopyTo(dest.FullName);
+					else if (res is FileResource) {
+						var tres = (FileResource)res;
+						DirectoryInfo dest;
+						if (res is ChartResource)
+							dest = new DirectoryInfo(_rootPath + "/charts/" + res.Name);
+						else if (res is RulesetResource)
+							dest = new DirectoryInfo(_rootPath + "/rulesets/" + res.Name);
+						else if (res is SkinResource)
+							dest = new DirectoryInfo(_rootPath + "/skins/" + (res as SkinResource).RulesetName + "/" + res.Name);
+						else if (res is SongResource)
+							dest = new DirectoryInfo(_rootPath + "/songs/" + res.Name);
+						else {
+							LogAndPopup(3, "Attempt to import unsupported file resource: {0}", res);
+							continue;
+						}
+						if (!dest.Exists) {
+							dest.Create();
+							tres.Master.CopyTo(Path.Combine(dest.FullName, tres.Master.Extension));
+							foreach (var attachment in tres.Attachments) {
+								attachment.CopyTo(Path.Combine(dest.FullName, attachment.Name));
+							}
+						}
+						else LogAndPopup(1, "Resource already exists: {0}", res);
 					}
-					else if (res is SongResource) {
-						var tres = (SongResource)res;
-						var dir = new DirectoryInfo(_rootPath + "/songs/" + res.Name);
-						if (!dir.Exists) dir.Create();
-						var dest = new FileInfo(_rootPath + "/songs/" + res.Name + "/.ogg");
-						if (!dest.Exists) tres.Source.CopyTo(dest.FullName);
+					else {
+						LogAndPopup(3, "Attempt to import unsupported resource: {0}", res);
 					}
 				}
 				return true;
@@ -148,8 +213,18 @@ namespace Cryville.Crtr.Browsing {
 			return false;
 		}
 
+		void LogAndPopup(int level, string format, params object[] args) {
+			var msg = string.Format(format, args);
+			Logger.Log("main", level, "Resource", msg);
+			Popup.Create(msg);
+		}
+
 		public string[] GetSupportedFormats() {
 			return converters.Keys.ToArray();
 		}
+
+		public Dictionary<string, string> GetPresetPaths() {
+			return localRes;
+		}
 	}
 }

Assets/Cryville/Crtr/Browsing/LocalResourceFinder.cs

@@ -0,0 +1,6 @@
+namespace Cryville.Crtr.Browsing {
+	public abstract class LocalResourceFinder {
+		public abstract string Name { get; }
+		public abstract string GetRootPath();
+	}
+}

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

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: f5b3f3294f679f14f8ec1195b0def630
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Cryville/Crtr/Browsing/PVPBool.cs

@@ -24,10 +24,6 @@ namespace Cryville.Crtr.Browsing {
 		const float SPEED = 8;
 		float _ratio;
 #pragma warning disable IDE0051
-		void Start() {
-			m_handleArea.sizeDelta = new Vector2(m_handle.rect.height - m_handle.rect.width, 0);
-		}
-
 		void Update() {
 			if (_value && _ratio != 1) {
 				_ratio += SPEED * Time.deltaTime;
@@ -40,6 +36,10 @@ namespace Cryville.Crtr.Browsing {
 				UpdateGraphics();
 			}
 		}
+
+		void OnRectTransformDimensionsChange() {
+			m_handleArea.sizeDelta = new Vector2(m_handle.rect.height - m_handle.rect.width, 0);
+		}
 #pragma warning restore IDE0051
 
 		void UpdateGraphics() {

Assets/Cryville/Crtr/Browsing/PVPNumber.cs

@@ -60,7 +60,6 @@ namespace Cryville.Crtr.Browsing {
 			ev.callback.AddListener(e => OnPointerClick((PointerEventData)e));
 			m_ctn.triggers.Add(ev);
 
-			m_handleArea.sizeDelta = new Vector2(m_handle.rect.height - m_handle.rect.width, 0);
 			if (MaxStep != 0) SetRatio(0.5f);
 		}
 
@@ -70,6 +69,10 @@ namespace Cryville.Crtr.Browsing {
 				SetValueFromPos(pp);
 			}
 		}
+
+		void OnRectTransformDimensionsChange() {
+			m_handleArea.sizeDelta = new Vector2(m_handle.rect.height - m_handle.rect.width, 0);
+		}
 #pragma warning restore IDE0051
 
 		Vector2 pp;

Assets/Cryville/Crtr/Browsing/PVPString.cs

@@ -0,0 +1,28 @@
+using UnityEngine.UI;
+
+namespace Cryville.Crtr.Browsing {
+	public class PVPString : PropertyValuePanel {
+		string m_value;
+		public override object Value {
+			get {
+				return m_value;
+			}
+			set {
+				m_value = (string)value;
+				_inputField.text = m_value;
+			}
+		}
+
+		InputField _inputField;
+
+		void Awake() {
+			_inputField = GetComponent<InputField>();
+			_inputField.onValueChanged.AddListener(OnValueChanged);
+		}
+
+		void OnValueChanged(string value) {
+			m_value = value;
+			Callback(Value);
+		}
+	}
+}

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

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: aadf11739189bc94e9cb4f702eb7ccd3
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Cryville/Crtr/Browsing/PropertyCategoryPanel.cs

@@ -32,8 +32,7 @@ namespace Cryville.Crtr.Browsing {
 		public void Load(string name, IEnumerable<PropertyInfo> props, object target) {
 			Name = name.ToUpper();
 			foreach (var prop in props) {
-				var obj = GameObject.Instantiate<GameObject>(m_propertyPrefab);
-				obj.transform.SetParent(transform, false);
+				var obj = GameObject.Instantiate<GameObject>(m_propertyPrefab, transform, false);
 				obj.GetComponent<PropertyPanel>().Load(prop, target);
 			}
 		}

Assets/Cryville/Crtr/Browsing/PropertyPanel.cs

@@ -10,6 +10,8 @@ namespace Cryville.Crtr.Browsing {
 		GameObject m_bool;
 		[SerializeField]
 		GameObject m_number;
+		[SerializeField]
+		GameObject m_string;
 
 		PropertyInfo _property;
 		object _target;
@@ -32,8 +34,9 @@ namespace Cryville.Crtr.Browsing {
 			GameObject vp;
 			if (prop.PropertyType == typeof(bool)) vp = m_bool;
 			else if (prop.PropertyType == typeof(float) || prop.PropertyType == typeof(int)) vp = m_number;
+			else if (prop.PropertyType == typeof(string)) vp = m_string;
 			else return;
-			_value = GameObject.Instantiate(vp, _valueContainer).GetComponent<PropertyValuePanel>();
+			_value = GameObject.Instantiate(vp, _valueContainer, false).GetComponent<PropertyValuePanel>();
 			if (_value is PVPNumber) {
 				var t = (PVPNumber)_value;
 				t.IntegerMode = prop.PropertyType == typeof(int);

Assets/Cryville/Crtr/Browsing/ResourceBrowser.cs

@@ -1,5 +1,6 @@
 using Cryville.Common.Unity;
 using Cryville.Common.Unity.UI;
+using System;
 using UnityEngine;
 using UnityEngine.UI;
 
@@ -19,6 +20,9 @@ namespace Cryville.Crtr.Browsing {
 
 			_dialog = GameObject.Instantiate(Resources.Load<GameObject>("Common/FileDialog")).GetComponent<FileDialog>();
 			_dialog.gameObject.SetActive(false);
+			_dialog.Filter = ResourceManager.GetSupportedFormats();
+			_dialog.PresetPaths = ResourceManager.GetPresetPaths();
+			_dialog.OnClose += OnAddDialogClosed;
 		}
 
 		private bool LoadPathPart(int id, GameObject obj) {
@@ -29,8 +33,13 @@ namespace Cryville.Crtr.Browsing {
 
 		private bool LoadItem(int id, GameObject obj) {
 			var bi = obj.GetComponent<BrowserItem>();
-			var item = ResourceManager.GetItemMeta(id);
-			bi.Load(id, item);
+			try {
+				var item = ResourceManager.GetItemMeta(id);
+				bi.Load(id, item);
+			}
+			catch (Exception) {
+				bi.Load(id, new ResourceItemMeta { Name = "<color=#ff0000>Invalid resource</color>" });
+			}
 			return true;
 		}
 
@@ -51,19 +60,17 @@ namespace Cryville.Crtr.Browsing {
 		}
 
 		public void OnAddButtonClicked() {
-			_dialog.Callback = OnAddDialogClosed;
-			_dialog.Filter = ResourceManager.GetSupportedFormats();
 			_dialog.Show();
 		}
 
 		private void OnAddDialogClosed() {
 			if (_dialog.FileName == null) return;
 			if (ResourceManager.ImportItemFrom(_dialog.FileName)) {
-				Debug.Log("Import succeeded"); // TODO
+				Popup.Create("Import succeeded");
 				OnPathClicked(ResourceManager.CurrentDirectory.Length - 1);
 			}
 			else {
-				Debug.Log("Import failed"); // TODO
+				Popup.Create("Import failed");
 			}
 		}
 	}

Assets/Cryville/Crtr/Browsing/ResourceBrowserMaster.cs

@@ -1,5 +1,6 @@
 using Cryville.Common;
 using Cryville.Common.Unity.UI;
+using Newtonsoft.Json;
 using System.Collections.Generic;
 using UnityEngine;
 using UnityEngine.SceneManagement;
@@ -64,18 +65,21 @@ namespace Cryville.Crtr.Browsing {
 			_units[_slideDest + 1].SlideToRight();
 		}
 
-		public void Open(int id) {
-			SetDataSettings(id);
+		public void Open(int id, ChartDetail detail) {
+			SetDataSettings(id, detail);
 #if UNITY_5_3_OR_NEWER
 			SceneManager.LoadScene("Play", LoadSceneMode.Additive);
 #else
 			Application.LoadLevelAdditive("Play");
 #endif
 			GameObject.Find("/Master").GetComponent<Master>().HideMenu();
+#if UNITY_STANDALONE_WIN || UNITY_EDITOR_WIN
+			DiscordController.Instance.SetPlaying(string.Format("{0} - {1}", detail.Meta.song.name, detail.Meta.name), detail.Meta.length);
+#endif
 		}
 
-		public void OpenConfig(int id) {
-			SetDataSettings(id);
+		public void OpenConfig(int id, ChartDetail detail) {
+			SetDataSettings(id, detail);
 #if UNITY_5_3_OR_NEWER
 			SceneManager.LoadScene("Config", LoadSceneMode.Additive);
 #else
@@ -84,9 +88,9 @@ namespace Cryville.Crtr.Browsing {
 			GameObject.Find("/Master").GetComponent<Master>().HideMenu();
 		}
 
-		void SetDataSettings(int id) {
-			Settings.Default.LoadRuleset = "key/.umgr";
-			Settings.Default.LoadSkin = "key/0/.umgs";
+		void SetDataSettings(int id, ChartDetail detail) {
+			Settings.Default.LoadRuleset = detail.Meta.ruleset + "/.umgr";
+			Settings.Default.LoadRulesetConfig = detail.Meta.ruleset + ".json";
 			Settings.Default.LoadChart = MainBrowser.ResourceManager.GetItemPath(id);
 		}
 	}
@@ -97,16 +101,22 @@ namespace Cryville.Crtr.Browsing {
 	}
 
 #pragma warning disable IDE1006
-	public struct ChartMeta {
-		public MetaInfo song { get; set; }
-		public MetaInfo chart { get; set; }
-		public struct MetaInfo {
-			public string name { get; set; }
-			public string author { get; set; }
-			public float length { get; set; }
-		}
+	public class MetaInfo {
+		public string name { get; set; }
+		public string author { get; set; }
+		[JsonRequired]
+		public string data { get; set; }
+	}
+	public class SongMetaInfo {
+		public string name { get; set; }
+		public string author { get; set; }
+	}
+	public class ChartMeta : MetaInfo {
+		public SongMetaInfo song { get; set; }
+		public float length { get; set; }
 		public string ruleset { get; set; }
 		public int note_count { get; set; }
+		public string cover { get; set; }
 	}
 #pragma warning restore IDE1006
 }

Assets/Cryville/Crtr/Browsing/ResourceConverter.cs

@@ -1,4 +1,5 @@
 using Cryville.Common;
+using Newtonsoft.Json;
 using System.Collections.Generic;
 using System.IO;
 
@@ -12,24 +13,67 @@ namespace Cryville.Crtr.Browsing {
 			Name = StringUtils.EscapeFileName(name);
 		}
 		public string Name { get; private set; }
+		public abstract bool Valid { get; }
+		public override string ToString() {
+			return string.Format("{0} ({1})", Name, ReflectionHelper.GetSimpleName(GetType()));
+		}
 	}
-	public class ChartResource : Resource {
-		public ChartResource(string name, Chart main, ChartMeta meta) : base(name) {
+	public class RawChartResource : Resource {
+		public RawChartResource(string name, Chart main, ChartMeta meta) : base(name) {
 			Main = main; Meta = meta;
 		}
 		public Chart Main { get; private set; }
 		public ChartMeta Meta { get; private set; }
+		public override bool Valid { get { return true; } }
 	}
-	public class CoverResource : Resource {
-		public CoverResource(string name, FileInfo src) : base(name) {
-			Source = src;
+	public abstract class FileResource : Resource {
+		public FileResource(string name, FileInfo master) : base(name) {
+			Master = master;
+			Attachments = new List<FileInfo>();
+		}
+		public FileInfo Master { get; private set; }
+		public List<FileInfo> Attachments { get; private set; }
+		public override bool Valid {
+			get {
+				if (!Master.Exists) return false;
+				foreach (var file in Attachments) {
+					if (!file.Exists) return false;
+				}
+				return true;
+			}
 		}
-		public FileInfo Source { get; private set; }
 	}
-	public class SongResource : Resource {
-		public SongResource(string name, FileInfo src) : base(name) {
-			Source = src;
+	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)));
+			}
+		}
+	}
+	public class SongResource : FileResource {
+		public SongResource(string name, FileInfo master) : base(name, master) { }
+	}
+	public class RulesetResource : FileResource {
+		public RulesetResource(string name, FileInfo master) : base(name, master) {
+			using (var reader = new StreamReader(master.FullName)) {
+				var meta = JsonConvert.DeserializeObject<Ruleset>(reader.ReadToEnd());
+				Attachments.Add(new FileInfo(Path.Combine(master.Directory.FullName, meta.data + ".pdt")));
+			}
+		}
+	}
+	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<Skin>(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)));
+				}
+			}
 		}
-		public FileInfo Source { get; private set; }
 	}
 }

Assets/Cryville/Crtr/Browsing/RulesetResourceImporter.cs

@@ -0,0 +1,20 @@
+using Newtonsoft.Json;
+using System.Collections.Generic;
+using System.IO;
+using System.Text;
+
+namespace Cryville.Crtr.Browsing {
+	public class RulesetResourceImporter : ResourceConverter {
+		static readonly string[] SUPPORTED_FORMATS = { ".umgr" };
+		public override string[] GetSupportedFormats() {
+			return SUPPORTED_FORMATS;
+		}
+
+		public override IEnumerable<Resource> ConvertFrom(FileInfo file) {
+			using (StreamReader reader = new StreamReader(file.FullName, Encoding.UTF8)) {
+				var data = JsonConvert.DeserializeObject<Ruleset>(reader.ReadToEnd());
+				return new Resource[] { new RulesetResource(data.name, file) };
+			}
+		}
+	}
+}

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

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: f2c1531e76f19a647865f7ec335561cd
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Cryville/Crtr/Browsing/SkinResourceImporter.cs

@@ -0,0 +1,20 @@
+using Newtonsoft.Json;
+using System.Collections.Generic;
+using System.IO;
+using System.Text;
+
+namespace Cryville.Crtr.Browsing {
+	public class SkinResourceImporter : ResourceConverter {
+		static readonly string[] SUPPORTED_FORMATS = { ".umgs" };
+		public override string[] GetSupportedFormats() {
+			return SUPPORTED_FORMATS;
+		}
+
+		public override IEnumerable<Resource> ConvertFrom(FileInfo file) {
+			using (StreamReader reader = new StreamReader(file.FullName, Encoding.UTF8)) {
+				var data = JsonConvert.DeserializeObject<Skin>(reader.ReadToEnd());
+				return new Resource[] { new SkinResource(data.name, file) };
+			}
+		}
+	}
+}

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

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 9904b4c21758c5046afc341fe2fa8845
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Cryville/Crtr/Chart.cs

@@ -3,19 +3,25 @@ using Newtonsoft.Json;
 using System;
 using System.Collections.Generic;
 using System.ComponentModel;
+using System.Globalization;
 using System.Linq;
 using System.Text.RegularExpressions;
 
 namespace Cryville.Crtr {
 	[JsonConverter(typeof(BeatTimeConverter))]
-	public struct BeatTime {
+	public struct BeatTime : IComparable<BeatTime>, IEquatable<BeatTime> {
 		[JsonConstructor()]
 		public BeatTime(int _b, int _n, int _d) {
 			b = _b;
 			n = _n;
 			d = _d;
 		}
-		
+		public BeatTime(int _n, int _d) {
+			b = _n / _d;
+			n = _n % _d;
+			d = _d;
+		}
+
 		[JsonIgnore]
 		public int b;
 		
@@ -24,6 +30,36 @@ namespace Cryville.Crtr {
 		
 		[JsonIgnore]
 		public int d;
+
+		[JsonIgnore]
+		public double Decimal { get { return b + (double)n / d; } }
+
+		public int CompareTo(BeatTime other) {
+			var c = b.CompareTo(other.b);
+			if (c != 0) return c;
+			return ((double)n / d).CompareTo((double)other.n / other.d);
+		}
+
+		public override bool Equals(object obj) {
+			if (!(obj is BeatTime)) return false;
+			return Equals((BeatTime)obj);
+		}
+
+		public bool Equals(BeatTime other) {
+			return b.Equals(other.b) && ((double)n / d).Equals((double)other.n / other.d);
+		}
+
+		public override int GetHashCode() {
+			return Decimal.GetHashCode();
+		}
+
+		public static bool operator ==(BeatTime left, BeatTime right) {
+			return left.Equals(right);
+		}
+
+		public static bool operator !=(BeatTime left, BeatTime right) {
+			return !left.Equals(right);
+		}
 	}
 	
 	public class BeatTimeConverter : JsonConverter {
@@ -55,7 +91,7 @@ namespace Cryville.Crtr {
 		[JsonIgnore]
 		public float BeatPosition {
 			get {
-				return time.Value.b + time.Value.n / (float)time.Value.d + BeatOffset;
+				return (float)time.Value.Decimal + BeatOffset;
 			}
 		}
 
@@ -65,7 +101,7 @@ namespace Cryville.Crtr {
 		public float EndBeatPosition {
 			get {
 				if (endtime == null) return BeatPosition;
-				return endtime.Value.b + endtime.Value.n / (float)endtime.Value.d + BeatOffset;
+				return (float)endtime.Value.Decimal + BeatOffset;
 			}
 		}
 		
@@ -167,7 +203,7 @@ namespace Cryville.Crtr {
 		public virtual EventList GetEventsOfType(string type) {
 			switch (type) {
 				case "motions": return new EventList<Chart.Motion>(motions);
-				default: throw new ArgumentException("Unknown type");
+				default: throw new ArgumentException(string.Format("Unknown event type {0}", type));
 			}
 		}
 	}
@@ -275,7 +311,7 @@ namespace Cryville.Crtr {
 
 			private void LoadFromString(string s) {
 				Match m = Regex.Match(s, @"^(.+?)(#(\d+))?(@(.+?))?(\^(.+?))?(\*(.+?))?(:(.+))?$");
-				if (!m.Success) throw new ArgumentException(); // TODO
+				if (!m.Success) throw new ArgumentException("Invalid motion string format");
 				name = new Identifier(m.Groups[1].Value);
 				var registry = ChartPlayer.motionRegistry[name];
 				if (m.Groups[3].Success) {
@@ -303,7 +339,7 @@ namespace Cryville.Crtr {
 					var node = RelativeNode;
 					result += "#" + node.Id;
 					if (node.Time != null) result += "@" + node.Time.ToString();
-					if (node.Transition != null) result = "^" + node.Transition.ToString();
+					if (node.Transition != null) result = "^" + ((byte)node.Transition).ToString(CultureInfo.InvariantCulture);
 					if (node.Rate != null) result += "*" + node.Rate.ToString();
 					if (node.Value != null) result += ":" + node.Value.ToString();
 				}
@@ -377,14 +413,6 @@ namespace Cryville.Crtr {
 				}
 			}
 
-			public Note() {
-				SubmitPropSrc("track", new PropSrc.Float(() => {
-					var i = motions.FirstOrDefault(m => m.RelativeNode == null && m.Name == "track");
-					if (i == null) return ((Vec1)ChartPlayer.motionRegistry["track"].InitValue).Value;
-					else return ((Vec1)i.AbsoluteValue).Value;
-				}));
-			}
-
 			public override EventList GetEventsOfType(string type) {
 				switch (type) {
 					case "judges": return new EventList<Judge>(judges);
@@ -399,10 +427,12 @@ namespace Cryville.Crtr {
 		public class Judge : ChartEvent {
 			[JsonIgnore]
 			public Identifier Id;
+#pragma warning disable IDE1006
 			public string name {
 				get { return Id.ToString(); }
 				set { Id = new Identifier(value); }
 			}
+#pragma warning restore IDE1006
 
 			public override int Priority {
 				get { return 0; }

Assets/Cryville/Crtr/ChartHandler.cs

@@ -37,9 +37,9 @@ namespace Cryville.Crtr {
 				else if (ev.Unstamped == null) { }
 				else if (ev.Unstamped is Chart.Sound) {
 					Chart.Sound tev = (Chart.Sound)ev.Unstamped;
-					var source = new LibavFileAudioSource(
-						Game.GameDataPath + "/songs/" + tev.id + "/.ogg"
-					);
+					var dir = new DirectoryInfo(Game.GameDataPath + "/songs/" + tev.id);
+					var files = dir.GetFiles();
+					var source = new LibavFileAudioSource(files[0].FullName);
 					source.SelectStream();
 					sounds.Add(source);
 					Game.AudioSession.Sequence(

Assets/Cryville/Crtr/ChartPlayer.cs

@@ -1,9 +1,7 @@
-//#define NO_THREAD
 #define BUILD
 
 using Cryville.Common;
-using Cryville.Common.Plist;
-using Cryville.Common.Unity.Input;
+using Cryville.Crtr.Config;
 using Cryville.Crtr.Event;
 using Newtonsoft.Json;
 using System;
@@ -27,8 +25,7 @@ namespace Cryville.Crtr {
 		Ruleset ruleset;
 		PdtRuleset pruleset;
 		Dictionary<string, Texture2D> texs;
-		public static Dictionary<string, Cocos2dFrames.Frame> frames;
-		List<Cocos2dFrames> plists;
+		public static Dictionary<string, SpriteFrame> frames;
 
 		readonly Queue<string> texLoadQueue = new Queue<string>();
 #if UNITY_5_4_OR_NEWER
@@ -53,11 +50,12 @@ namespace Cryville.Crtr {
 		public static Rect hitRect;
 		public static Plane[] frustumPlanes;
 
+		RulesetConfig _rscfg;
 		static bool disableGC = true;
 		static float clippingDist = 1f;
 		static float renderDist = 6f;
-		static float renderStep = 0.05f;
-		public static float actualRenderStep = 0f;
+		static double renderStep = 0.05;
+		public static double actualRenderStep = 0;
 		static bool autoRenderStep = false;
 		public static float soundOffset = 0;
 		static float startOffset = 0;
@@ -69,17 +67,6 @@ namespace Cryville.Crtr {
 		
 		InputProxy inputProxy;
 
-		~ChartPlayer() {
-			Dispose();
-		}
-
-		public void Dispose() {
-#if !NO_THREAD
-			if (loadThread != null) loadThread.Abort();
-#endif
-			if (texLoader != null) texLoader.Dispose();
-		}
-
 		#region MonoBehaviour
 		void Start() {
 			var logobj = GameObject.Find("Logs");
@@ -96,134 +83,157 @@ namespace Cryville.Crtr {
 
 			texHandler = new DownloadHandlerTexture();
 #if BUILD
-			Play();
+			try {
+				Play();
+			}
+			catch (Exception ex) {
+				Game.LogException("Load/WorkerThread", "An error occured while loading the data", ex);
+				Popup.CreateException(ex);
+				ReturnToMenu();
+			}
 #endif
 
 			// Camera.main.RenderToCubemap();
 		}
 
+		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 (texLoader != null) texLoader.Dispose();
+			if (inputProxy != null) inputProxy.Dispose();
+			if (texs != null) foreach (var t in texs) Texture.Destroy(t.Value);
+			Camera.onPostRender -= OnCameraPostRender;
+			GC.Collect();
+		}
+
 		bool texloaddone;
 		diag::Stopwatch texloadtimer = new diag::Stopwatch();
-		bool firstFrame;
+		int forceSyncFrames;
 		double atime0;
 		void Update() {
-			// if (Input.GetKeyDown(KeyCode.Return)) TogglePlay();
-			if (started) {
-				try {
-					if (Screen.width != screenSize.x || Screen.height != screenSize.y)
-						throw new InvalidOperationException("Window resized while playing");
-					float dt = firstFrame
-						? 1f / Application.targetFrameRate
-						: Time.deltaTime;
-					firstFrame = false;
-					inputProxy.ForceTick();
-					cbus.ForwardByTime(dt);
-					bbus.ForwardByTime(dt);
-					UnityEngine.Profiling.Profiler.BeginSample("ChartPlayer.Forward");
-					UnityEngine.Profiling.Profiler.BeginSample("EventBus.Copy");
-					bbus.CopyTo(2, tbus);
-					bbus.CopyTo(3, nbus);
-					UnityEngine.Profiling.Profiler.EndSample();
-					float step = autoRenderStep ? ( firstFrame
-						? 1f / Application.targetFrameRate
-						: Time.smoothDeltaTime
-					) : renderStep;
-					actualRenderStep = step;
-
-					nbus.ForwardStepByTime(clippingDist, step);
-					nbus.BroadcastEndUpdate();
-					nbus.Anchor();
-
-					tbus.ForwardStepByTime(clippingDist, step);
-					tbus.ForwardStepByTime(renderDist, step);
-					tbus.BroadcastEndUpdate();
-					UnityEngine.Profiling.Profiler.EndSample();
+			if (started) GameUpdate();
+			else if (loadThread != null) LoadUpdate();
+			if (logEnabled) LogUpdate();
+			else Game.MainLogger.Enumerate((level, module, msg) => { });
+		}
+		void GameUpdate() {
+			try {
+				if (Screen.width != screenSize.x || Screen.height != screenSize.y)
+					throw new InvalidOperationException("Window resized while playing");
+				double dt, step;
+				if (forceSyncFrames != 0) {
+					forceSyncFrames--;
+					double target = Game.AudioClient.Position - atime0;
+					dt = target - cbus.Time;
+					step = autoRenderStep ? 1f / Application.targetFrameRate : renderStep;
+					inputProxy.SyncTime(target);
 				}
-				catch (Exception ex) {
-					Game.LogException("Game", "An error occured while playing", ex);
-					Stop();
+				else {
+					dt = Time.deltaTime;
+					step = autoRenderStep ? Time.smoothDeltaTime : renderStep;
 				}
+				inputProxy.ForceTick();
+				cbus.ForwardByTime(dt);
+				bbus.ForwardByTime(dt);
+				UnityEngine.Profiling.Profiler.BeginSample("ChartPlayer.Forward");
+				UnityEngine.Profiling.Profiler.BeginSample("EventBus.Copy");
+				bbus.CopyTo(2, tbus);
+				bbus.CopyTo(3, nbus);
+				UnityEngine.Profiling.Profiler.EndSample();
+				actualRenderStep = step;
+
+				nbus.ForwardStepByTime(clippingDist, step);
+				nbus.BroadcastEndUpdate();
+				nbus.Anchor();
+
+				tbus.ForwardStepByTime(clippingDist, step);
+				tbus.ForwardStepByTime(renderDist, step);
+				tbus.BroadcastEndUpdate();
+				UnityEngine.Profiling.Profiler.EndSample();
 			}
-#if !NO_THREAD
-			else if (loadThread != null) {
-				if (texLoader != null) {
-					string url = texLoader.url;
-					string name = StringUtils.TrimExt(url.Substring(url.LastIndexOfAny(new char[] {'/', '\\'}) + 1));
+			catch (Exception ex) {
+				Game.LogException("Game", "An error occured while playing", ex);
+				Popup.CreateException(ex);
+				Stop();
+			}
+		}
+		void LoadUpdate() {
+			if (texLoader != null) {
+				string url = texLoader.url;
+				string name = StringUtils.TrimExt(url.Substring(url.LastIndexOfAny(new char[] {'/', '\\'}) + 1));
 #if UNITY_5_4_OR_NEWER
-					if (texHandler.isDone) {
-						var tex = texHandler.texture;
-						texs.Add(name, tex);
-						Logger.Log("main", 0, "Load/MainThread", "Loaded texture {0} ({1} bytes)", name, texLoader.downloadedBytes);
-						texLoader.Dispose();
-						texHandler.Dispose();
-						texLoader = null;
-					}
-					else if (texLoader.downloadProgress != 0) {
-						Logger.Log("main", 0, "Load/MainThread", "Loading texture {0} {1:P0}", name, texLoader.downloadProgress);
-					}
-#else
-					if (texLoader.isDone) {
-						var tex = texLoader.texture;
-						texs.Add(name, tex);
-						Logger.Log("main", 0, "Load/MainThread", "Loaded texture {0} ({1} bytes)", name, texLoader.bytesDownloaded);
-						texLoader.Dispose();
-						texLoader = null;
-					}
-					else if (texLoader.progress != 0) {
-						Logger.Log("main", 0, "Load/MainThread", "Loading texture {0} {1:P0}", name, texLoader.progress);
-					}
-#endif
+				if (texHandler.isDone) {
+					var tex = texHandler.texture;
+					tex.wrapMode = TextureWrapMode.Clamp;
+					texs.Add(name, tex);
+					texLoader.Dispose();
+					texHandler.Dispose();
+					texLoader = null;
 				}
-				if (texLoader == null)
-					if (texLoadQueue.Count > 0) {
+#else
+				if (texLoader.isDone) {
+					var tex = texLoader.texture;
+					tex.wrapMode = TextureWrapMode.Clamp;
+					texs.Add(name, tex);
+					texLoader.Dispose();
+					texLoader = null;
+				}
+#endif
+			}
+			if (texLoader == null)
+				if (texLoadQueue.Count > 0) {
 #if UNITY_5_4_OR_NEWER
-						texHandler = new DownloadHandlerTexture();
-						texLoader = new UnityWebRequest(Game.FileProtocolPrefix + texLoadQueue.Dequeue(), "GET", texHandler, null);
-						texLoader.SendWebRequest();
+					texHandler = new DownloadHandlerTexture();
+					texLoader = new UnityWebRequest(Game.FileProtocolPrefix + texLoadQueue.Dequeue(), "GET", texHandler, null);
+					texLoader.SendWebRequest();
 #else
 						texLoader = new WWW(Game.FileProtocolPrefix + texLoadQueue.Dequeue());
 #endif
-					}
-					else if (!texloaddone) {
-						texloaddone = true;
-						texloadtimer.Stop();
-						Logger.Log("main", 1, "Load/MainThread", "Main thread done ({0}ms)", texloadtimer.Elapsed.TotalMilliseconds);
-					}
-				if (!loadThread.IsAlive) {
-					if (cbus == null) {
-						Logger.Log("main", 4, "Load/MainThread", "Load failed");
-						loadThread = null;
+				}
+				else if (!texloaddone) {
+					texloaddone = true;
+					texloadtimer.Stop();
+					Logger.Log("main", 1, "Load/MainThread", "Main thread done ({0}ms)", texloadtimer.Elapsed.TotalMilliseconds);
+				}
+			if (!loadThread.IsAlive) {
+				if (threadException != null) {
+					Logger.Log("main", 4, "Load/MainThread", "Load failed");
+					loadThread = null;
+					Popup.CreateException(threadException);
 #if BUILD
-						ReturnToMenu();
+					ReturnToMenu();
 #endif
-					}
-					else if (texLoader == null) {
-						Prehandle();
-						loadThread = null;
-					}
+				}
+				else if (texLoader == null) {
+					Prehandle();
+					loadThread = null;
 				}
 			}
-#endif
-			if (logEnabled) {
-				string _logs = logs.text;
-				Game.MainLogger.Enumerate((level, module, 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;
-					}
-					_logs += string.Format(
-						"\r\n<color={1}bb><{2}> {3}</color>",
-						DateTime.UtcNow.ToString("s"), color, module, msg
-					);
-				});
-				logs.text = _logs.Substring(Mathf.Max(0, _logs.IndexOf('\n', Mathf.Max(0, _logs.Length - 4096))));
-				var sttext = string.Format(
+		}
+		string timetext = string.Empty;
+		void LogUpdate() {
+			string _logs = logs.text;
+			Game.MainLogger.Enumerate((level, module, 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;
+				}
+				_logs += string.Format(
+					"\r\n<color={1}bb><{2}> {3}</color>",
+					DateTime.UtcNow.ToString("s"), color, module, msg
+				);
+			});
+			logs.text = _logs.Substring(Mathf.Max(0, _logs.IndexOf('\n', Mathf.Max(0, _logs.Length - 4096))));
+			var sttext = string.Format(
 					"FPS: i{0:0} / s{1:0}\nSMem: {2:N0} / {3:N0}\nIMem: {4:N0} / {5:N0}",
 					1 / Time.deltaTime,
 					1 / Time.smoothDeltaTime,
@@ -239,18 +249,20 @@ namespace Cryville.Crtr {
 					UnityEngine.Profiling.Profiler.GetTotalReservedMemory()
 #endif
 				);
-				if (started) sttext += string.Format(
-					"\nSTime: {0:R}\nATime: {1:R}\nITime: {2:R}",
-					cbus.Time,
-					Game.AudioClient.Position - atime0,
-					inputProxy.GetTimestampAverage()
-				);
-				if (judge != null) sttext += "\n== Scores ==\n" + judge.GetFullFormattedScoreString();
-				status.text = sttext;
-			}
-			else {
-				Game.MainLogger.Enumerate((level, module, msg) => { });
-			}
+			sttext += timetext;
+			if (judge != null) sttext += "\n== Scores ==\n" + judge.GetFullFormattedScoreString();
+			status.text = sttext;
+		}
+		void OnCameraPostRender(Camera cam) {
+			if (!started) return;
+			if (!logEnabled) return;
+			timetext = string.Format(
+				"\nSTime: {0:R}s {3}\ndATime: {1:+0.0ms;-0.0ms;0} {3}\ndITime: {2:+0.0ms;-0.0ms;0} {3}",
+				cbus.Time,
+				(Game.AudioClient.Position - atime0 - cbus.Time) * 1e3,
+				(inputProxy.GetTimestampAverage() - cbus.Time) * 1e3,
+				forceSyncFrames != 0 ? "(force sync)" : ""
+			);
 		}
 		#endregion
 
@@ -271,6 +283,9 @@ namespace Cryville.Crtr {
 			SceneManager.UnloadSceneAsync("Play");
 #elif UNITY_5_3_OR_NEWER
 			SceneManager.UnloadScene("Play");
+#endif
+#if UNITY_STANDALONE_WIN || UNITY_EDITOR_WIN
+			DiscordController.Instance.SetIdle();
 #endif
 		}
 #pragma warning restore IDE1006
@@ -301,14 +316,13 @@ namespace Cryville.Crtr {
 			autoRenderStep = renderStep == 0;
 			soundOffset = Settings.Default.SoundOffset;
 			startOffset = Settings.Default.StartOffset;
-			sv = Settings.Default.ScrollVelocity;
-			firstFrame = true;
-#if !NO_THREAD
+			forceSyncFrames= Settings.Default.ForceSyncFrames;
 			texloaddone = false;
-#endif
 			Game.NetworkTaskWorker.SuspendBackgroundTasks();
 			Game.AudioSession = Game.AudioSequencer.NewSession();
 
+			Camera.onPostRender += OnCameraPostRender;
+
 			var hitPlane = new Plane(Vector3.forward, Vector3.zero);
 			var r0 = Camera.main.ViewportPointToRay(new Vector3(0, 0, 1));
 			float dist;
@@ -325,45 +339,49 @@ namespace Cryville.Crtr {
 			FileInfo chartFile = new FileInfo(
 				Game.GameDataPath + "/charts/" + Settings.Default.LoadChart
 			);
+
 			FileInfo rulesetFile = new FileInfo(
 				Game.GameDataPath + "/rulesets/" + Settings.Default.LoadRuleset
 			);
-			FileInfo skinFile = new FileInfo(
-				Game.GameDataPath + "/skins/" + Settings.Default.LoadSkin
+			if (!rulesetFile.Exists) throw new FileNotFoundException("Ruleset for the chart not found\nMake sure you have imported the ruleset");
+
+			FileInfo rulesetConfigFile = new FileInfo(
+				Game.GameDataPath + "/config/rulesets/" + Settings.Default.LoadRulesetConfig
 			);
-#if NO_THREAD
-			texloadtimer.Stop();
-			Logger.LogFormat("main", 0, "Load/MainThread", "Textures loaded successfully ({0}ms)", texloadtimer.Elapsed.TotalMilliseconds);
-			Load(new LoadInfo(){
-				chartFile = chartFile,
-				rulesetFile = rulesetFile,
-				skinFile = skinFile,
-			});
-			Prehandle();
-#else
+			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)) {
+				_rscfg = JsonConvert.DeserializeObject<RulesetConfig>(cfgreader.ReadToEnd(), new JsonSerializerSettings() {
+					MissingMemberHandling = MissingMemberHandling.Error
+				});
+			}
+			sv = _rscfg.generic.ScrollVelocity;
+
+			FileInfo skinFile = new FileInfo(
+				string.Format("{0}/skins/{1}/{2}/.umgs", Game.GameDataPath, rulesetFile.Directory.Name, _rscfg.generic.Skin)
+			);
+			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)) {
+				skin = JsonConvert.DeserializeObject<Skin>(reader.ReadToEnd(), new JsonSerializerSettings() {
+					MissingMemberHandling = MissingMemberHandling.Error
+				});
+				if (skin.format != Skin.CURRENT_FORMAT) throw new FormatException("Invalid skin file version");
+			}
+
 			loadThread = new Thread(new ParameterizedThreadStart(Load));
 			loadThread.Start(new LoadInfo() {
 				chartFile = chartFile,
 				rulesetFile = rulesetFile,
 				skinFile = skinFile,
 			});
-#endif
 
 			Logger.Log("main", 0, "Load/MainThread", "Loading textures...");
 			texloadtimer = new diag::Stopwatch();
 			texloadtimer.Start();
+			frames = new Dictionary<string, SpriteFrame>();
 			texs = new Dictionary<string, Texture2D>();
-			var flist = skinFile.Directory.GetFiles("*.png");
-			foreach (FileInfo f in flist) {
-#if NO_THREAD
-				using (WWW w = new WWW("file:///" + f.FullName)) {
-					string name = StringUtils.TrimExt(f.Name);
-					while (!w.isDone);
-					texs.Add(name, w.texture);
-				}
-#else
-				texLoadQueue.Enqueue(f.FullName);
-#endif
+			var skinDir = skinFile.Directory.FullName;
+			foreach (var f in skin.frames) {
+				texLoadQueue.Enqueue(Path.Combine(skinDir, f));
 			}
 		}
 
@@ -371,42 +389,35 @@ namespace Cryville.Crtr {
 			try {
 				diag::Stopwatch timer = new diag::Stopwatch();
 				timer.Reset(); timer.Start();
-				Logger.Log("main", 0, "Load/Prehandle", "Prehandling (iteration 3)");
-				foreach (var i in plists) i.Init(texs);
+				Logger.Log("main", 0, "Load/Prehandle", "Initializing textures");
 				foreach (var t in texs) {
 					if (frames.ContainsKey(t.Key)) {
 						Logger.Log("main", 3, "Load/Prehandle", "Duplicated texture name: {0}", t.Key);
 						continue;
 					}
-					var f = new Cocos2dFrames.Frame(t.Value);
+					var f = new SpriteFrame(t.Value);
 					f.Init();
 					frames.Add(t.Key, f);
 				}
-				Logger.Log("main", 0, "Load/Prehandle", "Initializing states");
-				cbus.BroadcastInit();
-
-				inputProxy = new InputProxy(pruleset, judge);
-				foreach (var i in Game.InputManager._handlers) {
-					/*if (i is UnityKeyHandler<UnityKeyboardReceiver>) {
-						inputProxy.Set(new InputProxyEntry { Source = new InputSource { Handler = i, Type = (int)KeyCode.Z }, Target = "track0" });
-						inputProxy.Set(new InputProxyEntry { Source = new InputSource { Handler = i, Type = (int)KeyCode.X }, Target = "track1" });
-						inputProxy.Set(new InputProxyEntry { Source = new InputSource { Handler = i, Type = (int)KeyCode.Comma }, Target = "track2" });
-						inputProxy.Set(new InputProxyEntry { Source = new InputSource { Handler = i, Type = (int)KeyCode.Period }, Target = "track3" });
-						break;
-					}*/
-					if (i is UnityMouseHandler) {
-						inputProxy.Set(new InputProxyEntry { Source = new InputSource { Handler = i, Type = 0 }, Target = "screen_x" });
-						break;
-					}
+				Logger.Log("main", 0, "Load/Prehandle", "Prehandling (iteration 2)");
+				cbus.BroadcastPreInit();
+				Logger.Log("main", 0, "Load/Prehandle", "Prehandling (iteration 3)");
+				using (var pbus = cbus.Clone(17)) {
+					pbus.Forward();
 				}
+				Logger.Log("main", 0, "Load/Prehandle", "Prehandling (iteration 4)");
+				cbus.BroadcastPostInit();
 				inputProxy.Activate();
-
-				if (logEnabled) ToggleLogs();
+				if (logEnabled && Settings.Default.HideLogOnPlay) ToggleLogs();
 				Logger.Log("main", 0, "Load/Prehandle", "Cleaning up");
 				GC.Collect();
 				if (disableGC) GarbageCollector.GCMode = GarbageCollector.Mode.Disabled;
 				timer.Stop();
 				Logger.Log("main", 1, "Load/Prehandle", "Prehandling done ({0}ms)", timer.Elapsed.TotalMilliseconds);
+				if (Settings.Default.ClearLogOnPlay) {
+					logs.text = "";
+					Game.MainLogger.Enumerate((level, module, msg) => { });
+				}
 				Game.AudioSequencer.Playing = true;
 				atime0 = Game.AudioClient.BufferPosition;
 				Thread.Sleep((int)((atime0 - Game.AudioClient.Position) * 1000));
@@ -415,6 +426,7 @@ namespace Cryville.Crtr {
 			}
 			catch (Exception ex) {
 				Game.LogException("Load/Prehandle", "An error occured while prehandling the data", ex);
+				Popup.CreateException(ex);
 				Stop();
 			}
 		}
@@ -422,19 +434,18 @@ namespace Cryville.Crtr {
 		public void Stop() {
 			try {
 				Logger.Log("main", 1, "Game", "Stopping");
-				chart = null;
 				Game.AudioSession = Game.AudioSequencer.NewSession();
-				if (cbus != null) cbus.Dispose();
-				if (bbus != null) bbus.Dispose();
-				if (tbus != null) tbus.Dispose();
-				if (nbus != null) nbus.Dispose();
 				inputProxy.Deactivate();
-				foreach (var t in texs) Texture.Destroy(t.Value);
+				if (cbus != null) { cbus.Dispose(); cbus = null; }
+				if (bbus != null) { bbus.Dispose(); bbus = null; }
+				if (tbus != null) { tbus.Dispose(); tbus = null; }
+				if (nbus != null) { nbus.Dispose(); nbus = null; }
 				Logger.Log("main", 1, "Game", "Stopped");
 			}
 			catch (Exception ex) {
 				if (!logEnabled) ToggleLogs();
 				Game.LogException("Game", "An error occured while stopping", ex);
+				Popup.CreateException(ex);
 			}
 			finally {
 				if (started) {
@@ -462,6 +473,7 @@ namespace Cryville.Crtr {
 			public FileInfo skinFile;
 		}
 
+		Exception threadException;
 #if !NO_THREAD
 		Thread loadThread = null;
 		diag::Stopwatch workerTimer;
@@ -478,6 +490,7 @@ namespace Cryville.Crtr {
 			}
 			catch (Exception ex) {
 				Game.LogException("Load/WorkerThread", "An error occured while loading the data", ex);
+				threadException = ex;
 			}
 		}
 
@@ -509,7 +522,12 @@ namespace Cryville.Crtr {
 				judge = new Judge(pruleset);
 				etor.ContextJudge = judge;
 
-				cbus.AttachSystems(pskin, judge);
+				inputProxy = new InputProxy(pruleset, judge);
+				inputProxy.LoadFrom(_rscfg.inputs);
+				if (!inputProxy.IsCompleted) {
+					throw new ArgumentException("Input config not completed\nPlease complete the input settings");
+				}
+
 				Logger.Log("main", 0, "Load/WorkerThread", "Attaching handlers");
 				var ch = new ChartHandler(chart, dir);
 				cbus.RootState.AttachHandler(ch);
@@ -519,7 +537,7 @@ namespace Cryville.Crtr {
 					foreach (var ts in gs.Value.Children) {
 						ContainerHandler th;
 						if (ts.Key is Chart.Note) {
-							th = new NoteHandler(gh, (Chart.Note)ts.Key, pruleset, judge);
+							th = new NoteHandler(gh, (Chart.Note)ts.Key, pruleset);
 						}
 						else {
 							th = new TrackHandler(gh, (Chart.Track)ts.Key);
@@ -527,12 +545,11 @@ namespace Cryville.Crtr {
 						ts.Value.AttachHandler(th);
 					}
 				}
+				cbus.AttachSystems(pskin, judge);
 				Logger.Log("main", 0, "Load/WorkerThread", "Prehandling (iteration 1)");
-				cbus.Clone(16).Forward();
-				Logger.Log("main", 0, "Load/WorkerThread", "Patching events");
-				cbus.DoPatch();
-				Logger.Log("main", 0, "Load/WorkerThread", "Prehandling (iteration 2)");
-				cbus.Clone(17).Forward();
+				using (var pbus = cbus.Clone(16)) {
+					pbus.Forward();
+				}
 
 				Logger.Log("main", 0, "Load/WorkerThread", "Cloning states (type 1)");
 				bbus = cbus.Clone(1, -clippingDist);
@@ -550,7 +567,7 @@ namespace Cryville.Crtr {
 				ruleset = JsonConvert.DeserializeObject<Ruleset>(reader.ReadToEnd(), new JsonSerializerSettings() {
 					MissingMemberHandling = MissingMemberHandling.Error
 				});
-				if (ruleset.format != 1) throw new FormatException("Invalid ruleset file version");
+				if (ruleset.format != Ruleset.CURRENT_FORMAT) throw new FormatException("Invalid ruleset file version");
 				ruleset.LoadPdt(dir);
 				pruleset = ruleset.Root;
 				pruleset.Optimize(etor);
@@ -560,23 +577,9 @@ namespace Cryville.Crtr {
 		void LoadSkin(FileInfo file) {
 			DirectoryInfo dir = file.Directory;
 			Logger.Log("main", 0, "Load/WorkerThread", "Loading skin: {0}", file);
-			using (StreamReader reader = new StreamReader(file.FullName, Encoding.UTF8)) {
-				skin = JsonConvert.DeserializeObject<Skin>(reader.ReadToEnd(), new JsonSerializerSettings() {
-					MissingMemberHandling = MissingMemberHandling.Error
-				});
-				if (skin.format != 1) throw new FormatException("Invalid skin file version");
-				skin.LoadPdt(dir);
-				pskin = skin.Root;
-				pskin.Optimize(etor);
-			}
-			plists = new List<Cocos2dFrames>();
-			frames = new Dictionary<string, Cocos2dFrames.Frame>();
-			foreach (FileInfo f in file.Directory.GetFiles("*.plist")) {
-				var pobj = PlistConvert.Deserialize<Cocos2dFrames>(f.FullName);
-				plists.Add(pobj);
-				foreach (var i in pobj.frames)
-					frames.Add(StringUtils.TrimExt(i.Key), i.Value);
-			}
+			skin.LoadPdt(dir);
+			pskin = skin.Root;
+			pskin.Optimize(etor);
 		}
 		#endregion
 	}

Assets/Cryville/Crtr/Cocos2dFrames.cs

@@ -1,176 +0,0 @@
-using Cryville.Common;
-using System;
-using System.Collections;
-using System.Collections.Generic;
-using System.Globalization;
-using System.Text.RegularExpressions;
-using UnityEngine;
-
-namespace Cryville.Crtr {
-	[BinderAttribute(typeof(Cocos2dFramesBinder))]
-	public class Cocos2dFrames {
-		public Metadata metadata;
-		public class Metadata {
-			public int format;
-			public Vector2 size;
-			public string textureFileName;
-		}
-
-		public Dictionary<string, Frame> frames;
-		public class Frame {
-#pragma warning disable IDE1006
-			Rect _frame;
-			public Rect frame {
-				get { return _frame; }
-				set { _frame = value; }
-			}
-			public Rect textureRect {
-				get { return _frame; }
-				set { _frame = value; }
-			}
-
-			bool _rotated = false;
-			public bool rotated {
-				get { return _rotated; }
-				set { _rotated = value; }
-			}
-			public bool textureRotated {
-				get { return _rotated; }
-				set { _rotated = value; }
-			}
-#pragma warning restore IDE1006
-
-			public Vector2 offset;
-
-			public Rect sourceColorRect;
-			public Vector2 sourceSize;
-			private Rect _uv;
-			private Vector2[] cuv;
-			public Rect UV {
-				get {
-					return _uv;
-				}
-				private set {
-					_uv = value;
-					float x0 = Mathf.Min(_uv.xMin, _uv.xMax);
-					float x1 = Mathf.Max(_uv.xMin, _uv.xMax);
-					float y0 = Mathf.Min(_uv.yMin, _uv.yMax);
-					float y1 = Mathf.Max(_uv.yMin, _uv.yMax);
-					if (_rotated) cuv = new Vector2[]{
-						new Vector2(x0, y1),
-						new Vector2(x1, y0),
-						new Vector2(x0, y0),
-						new Vector2(x1, y1),
-					};
-					else cuv = new Vector2[]{
-						new Vector2(x0, y0),
-						new Vector2(x1, y1),
-						new Vector2(x1, y0),
-						new Vector2(x0, y1),
-					};
-				}
-			}
-			public Vector2 GetUV(Vector2 uv) {
-				return GetUV(uv.x, uv.y);
-			}
-			public Vector2 GetUV(float u, float v) {
-				Vector2 uv00 = cuv[0], uv11 = cuv[1],
-				uv10 = cuv[2], uv01 = cuv[3];
-				return (1 - u - v) * uv00
-					+ u * uv10
-					+ v * uv01
-					+ u * v * (uv00 + uv11 - uv10 - uv01);
-			}
-			public Texture2D Texture {
-				get;
-				private set;
-			}
-			public Vector2 Size {
-				get {
-					return new Vector2(Texture.width, Texture.height);
-				}
-			}
-			
-			public void Init() {
-				if (Texture == null)
-					throw new InvalidOperationException(); // TODO
-				_frame = new Rect(Vector2.zero, Size);
-				var w = _frame.width;
-				var h = _frame.height;
-				float x = _frame.x / w;
-				float y = 1 - _frame.y / h;
-				float tw = (_rotated ? _frame.height : _frame.width) / w;
-				float th = (_rotated ? _frame.width : _frame.height) / h;
-				if (_rotated) UV = new Rect(x, y, tw, -th);
-				else UV = new Rect(x, y, tw, -th);
-			}
-
-			public void Init(int w, int h, Texture2D _base) {
-				if (Texture != null)
-					throw new InvalidOperationException(); // TODO
-				Texture = _base;
-				float x = _frame.x / w;
-				float y = 1 - _frame.y / h;
-				float tw = (_rotated ? _frame.height : _frame.width) / w;
-				float th = (_rotated ? _frame.width : _frame.height) / h;
-				if (_rotated) UV = new Rect(x, y, tw, -th);
-				else UV = new Rect(x, y, tw, -th);
-			}
-			public Frame() { }
-			public Frame(Texture2D tex) {
-				Texture = tex;
-			}
-		}
-
-		Texture2D _base;
-
-		public void Init(Dictionary<string, Texture2D> texs) {
-			_base = texs[StringUtils.TrimExt(metadata.textureFileName)];
-			var w = (int)metadata.size.x;
-			var h = (int)metadata.size.y;
-			if (w == 0 || h == 0) {
-				w = _base.width;
-				h = _base.height;
-			}
-			foreach (var f in frames) {
-				f.Value.Init(w, h, _base);
-			}
-		}
-	}
-
-	public class Cocos2dFramesBinder : EmptyBinder {
-		public override object ChangeType(object value, Type type, CultureInfo culture) {
-			if (value is string) {
-				var str = (string)value;
-				if (type == typeof(Rect)) {
-					var m = Regex.Match(str, @"^{({.*?}),({.*?})}$");
-					var p = (Vector2)ChangeType(m.Groups[1].Value, typeof(Vector2), culture);
-					var s = (Vector2)ChangeType(m.Groups[2].Value, typeof(Vector2), culture);
-					return new Rect(p, s);
-				}
-				else if (type == typeof(Vector2)) {
-					var m = Regex.Match(str, @"^{(.*?),(.*?)}$");
-					var w = float.Parse(m.Groups[1].Value);
-					var h = float.Parse(m.Groups[2].Value);
-					return new Vector2(w, h);
-				}
-			}
-			else if (typeof(IDictionary).IsAssignableFrom(value.GetType())) {
-				var dict = (IDictionary)value;
-				if (type == typeof(Rect)) {
-					var x = float.Parse((string)dict["x"]);
-					var y = float.Parse((string)dict["y"]);
-					var w = float.Parse((string)dict["w"]);
-					var h = float.Parse((string)dict["h"]);
-					return new Rect(x, y, w, h);
-				}
-				else if (type == typeof(Vector2)) {
-					var w = float.Parse((string)dict["w"]);
-					var h = float.Parse((string)dict["h"]);
-					return new Vector2(w, h);
-				}
-			}
-			return base.ChangeType(value, type, culture);
-		}
-	}
-}

Assets/Cryville/Crtr/Components/MeshBase.cs

@@ -0,0 +1,30 @@
+using System;
+
+namespace Cryville.Crtr.Components {
+	public abstract class MeshBase : SkinComponent {
+		public MeshBase() {
+			SubmitProperty("zindex", new PropOp.Integer(v => ZIndex = (short)v));
+		}
+
+		protected MeshWrapper mesh = new MeshWrapper();
+
+		short _zindex;
+		public short ZIndex {
+			get {
+				return _zindex;
+			}
+			set {
+				if (value < 0 || value > 5000)
+					throw new ArgumentOutOfRangeException("value", "Z-index must be in [0..5000]");
+				_zindex = value;
+				UpdateZIndex();
+			}
+		}
+		protected void UpdateZIndex() {
+			if (!mesh.Initialized) return;
+			foreach (var mat in mesh.Renderer.materials) {
+				mat.renderQueue = _zindex;
+			}
+		}
+	}
+}

Assets/Cryville/Crtr/Components/MeshBase.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 75daba44e5811b943a08e6f137cc2b0c
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Cryville/Crtr/Components/SectionalGameObject.cs

@@ -5,11 +5,22 @@ using System.Collections.Generic;
 using UnityEngine;
 
 namespace Cryville.Crtr.Components {
-	public abstract class SectionalGameObject : SkinComponent {
+	public abstract class SectionalGameObject : MeshBase {
 		protected Vector3? prevpt;
 		protected Quaternion? prevrot;
 		protected int vertCount = 0;
-		protected MeshWrapper mesh = new MeshWrapper();
+		Part part = Part.whole;
+		enum Part {
+			whole = 0,
+			idle = 1,
+			start = 2,
+			end = 3,
+		}
+
+		public SectionalGameObject() {
+			SubmitProperty("partial", new PropOp.Boolean(v => part = Part.idle));
+			SubmitProperty("part", new PropOp.Enum<Part>(v => part = v, v => (Part)v));
+		}
 
 		protected override void OnDestroy() {
 			mesh.Destroy();
@@ -24,7 +35,7 @@ namespace Cryville.Crtr.Components {
 		}
 
 		public void AppendPoint(Vector3 p, Quaternion r) {
-			if (prevpt == p && prevrot == r) return;
+			if (prevpt == p && prevrot == r || ((int)part & 1) == 1) return;
 			AppendPointInternal(p, r);
 			// if (!headGenerated) Logger.Log("main", 0, "Skin/Polysec", "{0}", r);
 			prevpt = p;
@@ -56,8 +67,7 @@ namespace Cryville.Crtr.Components {
 			SubmitProperty("head", new PropOp.String(v => head.FrameName = v));
 			SubmitProperty("body", new PropOp.String(v => body.FrameName = v));
 			SubmitProperty("tail", new PropOp.String(v => tail.FrameName = v));
-			SubmitProperty("transparent", new PropOp.Boolean(v => transparent = v));
-			SubmitProperty("shape", new op_set_shape(this));
+			SubmitProperty("shape", new op_set_shape(this), 2);
 		}
 
 #pragma warning disable IDE1006
@@ -94,31 +104,20 @@ namespace Cryville.Crtr.Components {
 		public SpriteInfo body = new SpriteInfo();
 		public SpriteInfo tail = new SpriteInfo();
 
-		public bool transparent;
 		List<Vector3> vertices;
 		List<float> lengths;
 		float sumLength = 0;
 
 		public override void Init() {
 			base.Init();
+			mesh.Init(transform);
 
-			head.Load();
-			body.Load();
-			tail.Load();
+			var mats = mesh.Renderer.materials = new Material[] { mesh.NewMaterial, mesh.NewMaterial, mesh.NewMaterial };
+			head.Bind(mats[0]);
+			body.Bind(mats[1]);
+			tail.Bind(mats[2]);
 
-			mesh.Init(transform, transparent);
-
-			List<Material> materials = new List<Material>();
-			if (head.FrameName != null) AddMat(materials, head.FrameName);
-			if (body.FrameName != null) AddMat(materials, body.FrameName);
-			if (tail.FrameName != null) AddMat(materials, tail.FrameName);
-			mesh.Renderer.materials = materials.ToArray();
-		}
-
-		void AddMat(List<Material> list, string frame) {
-			var mat = mesh.NewMaterial;
-			mat.mainTexture = ChartPlayer.frames[frame].Texture;
-			list.Add(mat);
+			UpdateZIndex();
 		}
 
 		protected override void OnDestroy() {
@@ -132,7 +131,6 @@ namespace Cryville.Crtr.Components {
 			}
 		}
 
-		// Vector3 prevp = Vector3.zero;
 		protected override void AppendPointInternal(Vector3 p, Quaternion r) {
 			if (vertices == null) {
 				vertices = _ptPool.Rent();
@@ -160,9 +158,9 @@ namespace Cryville.Crtr.Components {
 			int vcpsec = _shapeLength; // Vertex Count Per Section
 			float width = GetWidth();
 			float headLength = 0;
-			if (head.FrameName != null) headLength = width / head.Ratio;
+			if (head.Frame != null) headLength = width / head.Ratio;
 			float tailLength = 0;
-			if (tail.FrameName != null) tailLength = width / tail.Ratio;
+			if (tail.Frame != null) tailLength = width / tail.Ratio;
 			float endLength = headLength + tailLength;
 			if (sumLength <= endLength) {
 				// The total length of the two ends is longer than the whole mesh, squeeze the two ends
@@ -190,17 +188,17 @@ namespace Cryville.Crtr.Components {
 			verts = _vertPool.Rent(vc * vcpsec);
 			uvs = _uvPool.Rent(vc * vcpsec);
 			int i = 0; int t = 0; float l = 0; int m = 0;
-			if (head.FrameName != null) { m++; GenerateMeshTo(verts, uvs, out trih, head, ref i, ref t, ref l, 0, headLength, vcpsec, hvc); }
-			if (body.FrameName != null) { m++; GenerateMeshTo(verts, uvs, out trib, body, ref i, ref t, ref l, headLength, sumLength - tailLength, vcpsec, hvc + bvc); }
-			if (tail.FrameName != null) { m++; GenerateMeshTo(verts, uvs, out trit, tail, ref i, ref t, ref l, sumLength - tailLength, sumLength, vcpsec, vc); }
+			if (head.Frame != null) { m++; GenerateMeshTo(verts, uvs, out trih, head, ref i, ref t, ref l, 0, headLength, vcpsec, hvc); }
+			if (body.Frame != null) { m++; GenerateMeshTo(verts, uvs, out trib, body, ref i, ref t, ref l, headLength, sumLength - tailLength, vcpsec, hvc + bvc); }
+			if (tail.Frame != null) { m++; GenerateMeshTo(verts, uvs, out trit, tail, ref i, ref t, ref l, sumLength - tailLength, sumLength, vcpsec, vc); }
 
 			mesh.Mesh.subMeshCount = m;
 			m = 0;
 			mesh.Mesh.SetVertices(verts);
 			mesh.Mesh.SetUVs(0, uvs);
-			if (head.FrameName != null) mesh.Mesh.SetTriangles(trih, m++);
-			if (body.FrameName != null) mesh.Mesh.SetTriangles(trib, m++);
-			if (tail.FrameName != null) mesh.Mesh.SetTriangles(trit, m++);
+			if (head.Frame != null) mesh.Mesh.SetTriangles(trih, m++);
+			if (body.Frame != null) mesh.Mesh.SetTriangles(trib, m++);
+			if (tail.Frame != null) mesh.Mesh.SetTriangles(trit, m++);
 			mesh.Mesh.RecalculateNormals();
 
 			_vertPool.Return(verts); verts = null;

Assets/Cryville/Crtr/Components/SkinComponent.cs

@@ -1,4 +1,5 @@
-using Cryville.Common.Pdt;
+using Cryville.Common;
+using Cryville.Common.Pdt;
 using System.Collections.Generic;
 using UnityEngine;
 
@@ -7,25 +8,32 @@ namespace Cryville.Crtr.Components {
 		/// <summary>
 		/// The property operators of the component.
 		/// </summary>
-		public Dictionary<string, PdtOperator> PropOps { get; private set; }
+		public Dictionary<int, SkinProperty> Properties { get; private set; }
 		/// <summary>
 		/// Submits a property.
 		/// </summary>
 		/// <param name="name">The name of the property.</param>
-		/// <param name="property">The property operator.</param>
-		protected void SubmitProperty(string name, PdtOperator property) {
-			PropOps.Add(name, property);
+		/// <param name="property">The property.</param>
+		protected void SubmitProperty(string name, PdtOperator property, int uct = 1) {
+			Properties.Add(IdentifierManager.SharedInstance.Request(name), new SkinProperty(property, uct));
 		}
 
 		/// <summary>
-		/// Create a skin component
+		/// Creates a skin component.
 		/// </summary>
 		protected SkinComponent() {
-			// Properties = new Dictionary<string, Property>();
-			PropOps = new Dictionary<string, PdtOperator>();
+			Properties = new Dictionary<int, SkinProperty>();
 		}
 
 		public virtual void Init() { }
 		protected abstract void OnDestroy();
 	}
+	public struct SkinProperty {
+		public PdtOperator Operator { get; set; }
+		public int UpdateCloneType { get; set; }
+		public SkinProperty(PdtOperator op, int uct = 1) {
+			Operator = op;
+			UpdateCloneType = uct;
+		}
+	}
 }

Assets/Cryville/Crtr/Components/SpriteBase.cs

@@ -2,14 +2,12 @@
 using UnityEngine;
 
 namespace Cryville.Crtr.Components {
-	public abstract class SpriteBase : SkinComponent {
+	public abstract class SpriteBase : MeshBase {
 		public SpriteBase() {
 			SubmitProperty("bound", new op_set_bound(this));
-			SubmitProperty("transparent", new PropOp.Boolean(v => transparent = v));
 			SubmitProperty("pivot", new PropOp.Vector2(v => Pivot = v));
 			SubmitProperty("scale", new PropOp.Vector2(v => Scale = v));
 			SubmitProperty("ui", new PropOp.Boolean(v => UI = v));
-			SubmitProperty("zindex", new PropOp.Integer(v => ZIndex = (short)v));
 		}
 
 #pragma warning disable IDE1006
@@ -27,8 +25,6 @@ namespace Cryville.Crtr.Components {
 		}
 #pragma warning restore IDE1006
 
-		protected MeshWrapper mesh = new MeshWrapper();
-
 		protected override void OnDestroy() {
 			mesh.Destroy();
 		}
@@ -82,21 +78,6 @@ namespace Cryville.Crtr.Components {
 			if (da.x != 0) _scale.x = dp.x / da.x;
 			if (da.y != 0) _scale.y = dp.z / da.y;
 		}
-		
-		short _zindex;
-		public short ZIndex {
-			get {
-				return _zindex;
-			}
-			set {
-				_zindex = value;
-				UpdateZIndex();
-			}
-		}
-		protected void UpdateZIndex() {
-			if (!mesh.Initialized) return;
-			mesh.Renderer.sortingOrder = _zindex;
-		}
 
 		static readonly Quaternion uirot
 			= Quaternion.Euler(new Vector3(-90, 0, 0));
@@ -109,10 +90,8 @@ namespace Cryville.Crtr.Components {
 			}
 		}
 
-		public bool transparent = false;
-
 		protected void InternalInit(string meshName = "quad") {
-			mesh.Init(transform, transparent);
+			mesh.Init(transform);
 			mesh.Mesh = GenericResources.Meshes[meshName];
 			UpdateScale();
 			UpdateZIndex();

Assets/Cryville/Crtr/Components/SpritePlane.cs

@@ -4,13 +4,22 @@ using Logger = Cryville.Common.Logger;
 
 namespace Cryville.Crtr.Components {
 	public class SpriteInfo {
-		public string FrameName;
-		public Cocos2dFrames.Frame Frame {
+		string m_frameName;
+		public string FrameName {
+			get {
+				return m_frameName;
+			}
+			set {
+				m_frameName = value;
+				Reload();
+			}
+		}
+		public SpriteFrame Frame {
 			get;
 			private set;
 		}
 		public Rect Rect {
-			get { return Frame.frame; }
+			get { return Frame.Frame; }
 		}
 		/// <summary>
 		/// The ratio of width divided by height.
@@ -20,22 +29,39 @@ namespace Cryville.Crtr.Components {
 				return Rect.width / Rect.height;
 			}
 		}
+		bool _loaded;
+		Material _mat;
+		public void Bind(Material mat) {
+			_loaded = true;
+			_mat = mat;
+			Reload();
+		}
 		public void Load() {
-			if (FrameName != null) {
+			_loaded = true;
+			Reload();
+		}
+		public void Reload() {
+			if (!_loaded) return;
+			if (!string.IsNullOrEmpty(FrameName)) {
 				if (ChartPlayer.frames.ContainsKey(FrameName)) {
 					Frame = ChartPlayer.frames[FrameName];
 				}
 				else {
 					Logger.Log("main", 4, "Skin", "Texture {0} not found", FrameName);
+					Frame = null;
 				}
 			}
+			else Frame = null;
+			if (_mat != null) {
+				_mat.mainTexture = Frame == null ? null : Frame.Texture;
+			}
 		}
 	}
 
 	public class SpritePlane : SpriteBase {
 		public SpritePlane() {
 			SubmitProperty("frame", new PropOp.String(v => Frame = v));
-			SubmitProperty("fit", new PropOp.Enum<FitMode>(v => Fit = v));
+			SubmitProperty("fit", new PropOp.Enum<FitMode>(v => Fit = v, v => (FitMode)v));
 			SubmitProperty("opacity", new PropOp.Float(v => Opacity = v));
 		}
 
@@ -68,16 +94,11 @@ namespace Cryville.Crtr.Components {
 		}
 		protected void OnFrameUpdate() {
 			if (!mesh.Initialized) return;
-			if (frameInfo.FrameName == null) {
+			if (frameInfo.Frame == null) {
 				mesh.Renderer.enabled = false;
 				return;
 			}
 			mesh.Renderer.enabled = true;
-			frameInfo.Load();
-			if (frameInfo.Frame != null)
-				mesh.Renderer.material.mainTexture = frameInfo.Frame.Texture;
-			else
-				Logger.Log("main", 4, "Skin", "Unable to load texture {0}", frameInfo.FrameName);
 			UpdateUV();
 			UpdateScale();
 			UpdateZIndex();
@@ -140,8 +161,8 @@ namespace Cryville.Crtr.Components {
 		}
 
 		public override void Init() {
-			frameInfo.Load();
 			InternalInit();
+			frameInfo.Bind(mesh.Renderer.material);
 			OnFrameUpdate();
 			UpdateOpacity();
 		}

Assets/Cryville/Crtr/Components/SpriteRect.cs

@@ -4,8 +4,6 @@ namespace Cryville.Crtr.Components {
 	public class SpriteRect : SpriteBase {
 		public SpriteRect() {
 			SubmitProperty("color", new PropOp.Color(v => Color = v));
-
-			transparent = true;
 		}
 
 		Color _color;

Assets/Cryville/Crtr/Components/SpriteScale3.cs

@@ -63,13 +63,13 @@ namespace Cryville.Crtr.Components {
 					case 1: x = _border.x; bx = b.x; break;
 					case 2: x = _border.y; bx = b.y; break;
 					case 3: x = 1; bx = 1; break;
-					default: throw new Exception();
+					default: throw new NotSupportedException("Built-in resource corrupted");
 				}
 				float y;
 				switch ((int)muv[i].y) {
 					case 0: y = 0; break;
 					case 3: y = 1; break;
-					default: throw new Exception();
+					default: throw new NotSupportedException("Built-in resource corrupted");
 				}
 				uv[i] = frameInfo.Frame.GetUV(x, y);
 				bx -= 0.5f; y -= 0.5f;

Assets/Cryville/Crtr/Components/SpriteText.cs

@@ -1,4 +1,5 @@
-using Cryville.Common.Pdt;
+using Cryville.Common.Buffers;
+using Cryville.Common.Pdt;
 using System;
 using System.Collections.Generic;
 using UnityEngine;
@@ -7,7 +8,7 @@ namespace Cryville.Crtr.Components {
 	public class SpriteText : SpriteBase {
 		public SpriteText() {
 			SubmitProperty("frames", new op_set_frames(this));
-			SubmitProperty("value", new PropOp.String(v => Value = v));
+			SubmitProperty("value", new PropOp.TargetString(() => Value));
 			SubmitProperty("size", new PropOp.Float(v => Size = v));
 			SubmitProperty("spacing", new PropOp.Float(v => Spacing = v));
 			SubmitProperty("opacity", new PropOp.Float(v => Opacity = v));
@@ -41,21 +42,14 @@ namespace Cryville.Crtr.Components {
 			foreach (var m in meshes) m.Value.Destroy();
 		}
 
-		readonly Dictionary<Texture2D, MeshWrapper> meshes = new Dictionary<Texture2D, MeshWrapper>();
 		Dictionary<char, SpriteInfo> m_frames;
 		public Dictionary<char, SpriteInfo> Frames {
 			get { return m_frames; }
 			set { m_frames = value; UpdateFrames(); UpdateScale(); }
 		}
 
-		public string m_value;
-		public string Value {
-			get { return m_value; }
-			set {
-				if (m_value == value) return;
-				m_value = value; UpdateScale();
-			}
-		}
+		readonly TargetString m_value = new TargetString();
+		public TargetString Value { get { return m_value; } }
 
 		public float m_size;
 		public float Size {
@@ -80,31 +74,38 @@ namespace Cryville.Crtr.Components {
 			float frameHeight = 0;
 			foreach (var m in meshes) m.Value.Destroy();
 			meshes.Clear();
+			verts.Clear();
+			uvs.Clear();
 			foreach (var f in m_frames) {
 				f.Value.Load();
 				if (frameHeight == 0) frameHeight = f.Value.Rect.height;
-				else if (frameHeight != f.Value.Rect.height) throw new Exception("Inconsistent frame height");
-				if (!meshes.ContainsKey(f.Value.Frame.Texture)) {
+				else if (frameHeight != f.Value.Rect.height) throw new Exception("Inconsistent frame height for text component");
+				var tex = f.Value.Frame.Texture;
+				if (!meshes.ContainsKey(tex)) {
 					var m = new MeshWrapper();
-					m.Init(mesh.MeshTransform, transparent);
+					m.Init(mesh.MeshTransform);
 					m.Mesh = new Mesh();
-					m.Renderer.material.mainTexture = f.Value.Frame.Texture;
-					meshes.Add(f.Value.Frame.Texture, m);
+					m.Renderer.material.mainTexture = tex;
+					meshes.Add(tex, m);
+					verts.Add(tex, new List<Vector3>());
+					uvs.Add(tex, new List<Vector2>());
+					tris.Add(tex, new List<int>());
 				}
 			}
 		}
 
 		float sum_x;
+		readonly Dictionary<Texture2D, MeshWrapper> meshes = new Dictionary<Texture2D, MeshWrapper>();
+		readonly Dictionary<Texture2D, List<Vector3>> verts = new Dictionary<Texture2D, List<Vector3>>();
+		readonly Dictionary<Texture2D, List<Vector2>> uvs = new Dictionary<Texture2D, List<Vector2>>();
+		readonly Dictionary<Texture2D, List<int>> tris = new Dictionary<Texture2D, List<int>>();
 		void UpdateMeshes() {
-			// TODO optimize GC
 			if (meshes.Count == 0) return;
 			sum_x = 0;
-			int vc = m_value.Length * 4;
-			Dictionary<Texture2D, List<Vector3>> verts = new Dictionary<Texture2D, List<Vector3>>();
-			Dictionary<Texture2D, List<Vector2>> uvs = new Dictionary<Texture2D, List<Vector2>>();
 			foreach (var t in meshes.Keys) {
-				verts.Add(t, new List<Vector3>(vc));
-				uvs.Add(t, new List<Vector2>(vc));
+				verts[t].Clear();
+				uvs[t].Clear();
+				tris[t].Clear();
 			}
 			foreach (var c in m_value) {
 				var f = m_frames[c];
@@ -124,18 +125,18 @@ namespace Cryville.Crtr.Components {
 				var m = meshes[t].Mesh;
 				m.Clear();
 				int cc = verts[t].Count / 4;
-				int[] tris = new int[cc * 6];
+				var _tris = tris[t];
 				for (int i = 0; i < cc; i++) {
-					tris[i * 6    ] = i * 4    ;
-					tris[i * 6 + 1] = i * 4 + 3;
-					tris[i * 6 + 2] = i * 4 + 1;
-					tris[i * 6 + 3] = i * 4 + 1;
-					tris[i * 6 + 4] = i * 4 + 3;
-					tris[i * 6 + 5] = i * 4 + 2;
+					_tris.Add(i * 4);
+					_tris.Add(i * 4 + 3);
+					_tris.Add(i * 4 + 1);
+					_tris.Add(i * 4 + 1);
+					_tris.Add(i * 4 + 3);
+					_tris.Add(i * 4 + 2);
 				}
-				m.vertices = verts[t].ToArray();
-				m.uv = uvs[t].ToArray();
-				m.triangles = tris;
+				m.SetVertices(verts[t]);
+				m.SetUVs(0, uvs[t]);
+				m.SetTriangles(tris[t], 0);
 				m.RecalculateNormals();
 			}
 			sum_x -= m_spacing;
@@ -175,6 +176,7 @@ namespace Cryville.Crtr.Components {
 			UpdateFrames();
 			mesh.Mesh.Clear();
 			UpdateScale();
+			Value.OnUpdate += UpdateScale;
 		}
 	}
 }

Assets/Cryville/Crtr/Config/ConfigScene.cs

@@ -1,8 +1,84 @@
-using UnityEngine;
+using Newtonsoft.Json;
+using System;
+using System.IO;
+using System.Text;
+using UnityEngine;
 using UnityEngine.SceneManagement;
 
 namespace Cryville.Crtr.Config {
 	public class ConfigScene : MonoBehaviour {
+		[SerializeField]
+		Transform m_content;
+
+		[SerializeField]
+		SettingsPanel m_genericConfigPanel;
+
+		[SerializeField]
+		InputConfigPanel m_inputConfigPanel;
+
+		public Ruleset ruleset;
+		RulesetConfig _rscfg;
+
+		void Awake() {
+			ChartPlayer.etor = new PdtEvaluator();
+			FileInfo file = new FileInfo(
+				Game.GameDataPath + "/rulesets/" + Settings.Default.LoadRuleset
+			);
+			if (!file.Exists) {
+				Popup.Create("Ruleset for the chart not found\nMake sure you have imported the ruleset");
+				ReturnToMenu();
+				return;
+			}
+			DirectoryInfo dir = file.Directory;
+			using (StreamReader reader = new StreamReader(file.FullName, Encoding.UTF8)) {
+				ruleset = JsonConvert.DeserializeObject<Ruleset>(reader.ReadToEnd(), new JsonSerializerSettings() {
+					MissingMemberHandling = MissingMemberHandling.Error
+				});
+				if (ruleset.format != Ruleset.CURRENT_FORMAT) throw new FormatException("Invalid ruleset file version");
+				ruleset.LoadPdt(dir);
+			}
+			FileInfo cfgfile = new FileInfo(
+				Game.GameDataPath + "/config/rulesets/" + Settings.Default.LoadRulesetConfig
+			);
+			if (!cfgfile.Exists) {
+				if (!cfgfile.Directory.Exists) cfgfile.Directory.Create();
+				_rscfg = new RulesetConfig();
+			}
+			else {
+				using (StreamReader cfgreader = new StreamReader(cfgfile.FullName, Encoding.UTF8)) {
+					_rscfg = JsonConvert.DeserializeObject<RulesetConfig>(cfgreader.ReadToEnd(), new JsonSerializerSettings() {
+						MissingMemberHandling = MissingMemberHandling.Error
+					});
+				}
+			}
+
+			m_genericConfigPanel.Target = _rscfg.generic;
+
+			var proxy = new InputProxy(ruleset.Root, null);
+			proxy.LoadFrom(_rscfg.inputs);
+			m_inputConfigPanel.proxy = proxy;
+			Game.InputManager.Activate();
+		}
+
+		public void SwitchCategory(GameObject cat) {
+			foreach (Transform c in m_content) {
+				c.gameObject.SetActive(false);
+			}
+			cat.SetActive(true);
+		}
+
+		public void SaveAndReturnToMenu() {
+			Game.InputManager.Deactivate();
+			m_inputConfigPanel.proxy.SaveTo(_rscfg.inputs);
+			m_inputConfigPanel.proxy.Dispose();
+			FileInfo cfgfile = new FileInfo(
+				Game.GameDataPath + "/config/rulesets/" + Settings.Default.LoadRulesetConfig
+			);
+			using (StreamWriter cfgwriter = new StreamWriter(cfgfile.FullName, false, Encoding.UTF8)) {
+				cfgwriter.Write(JsonConvert.SerializeObject(_rscfg, Game.GlobalJsonSerializerSettings));
+			}
+			ReturnToMenu();
+		}
 		public void ReturnToMenu() {
 			GameObject.Find("Master").GetComponent<Master>().ShowMenu();
 #if UNITY_5_5_OR_NEWER

Assets/Cryville/Crtr/Config/InputConfigPanel.cs

@@ -1,15 +1,14 @@
 using Cryville.Common.Unity;
 using Cryville.Common.Unity.Input;
-using Newtonsoft.Json;
-using System;
 using System.Collections.Generic;
-using System.IO;
-using System.Text;
 using UnityEngine;
 using UnityEngine.UI;
 
 namespace Cryville.Crtr.Config {
-	public class InputConfig : MonoBehaviour {
+	public class InputConfigPanel : MonoBehaviour {
+		[SerializeField]
+		ConfigScene m_configScene;
+
 		[SerializeField]
 		GameObject m_inputDialog;
 
@@ -25,54 +24,39 @@ namespace Cryville.Crtr.Config {
 		[SerializeField]
 		GameObject m_prefabInputConfigEntry;
 
-		InputProxy _proxy;
-		Dictionary<string, InputConfigEntry> _entries = new Dictionary<string, InputConfigEntry>();
+		public InputProxy proxy;
+		readonly Dictionary<string, InputConfigPanelEntry> _entries = new Dictionary<string, InputConfigPanelEntry>();
 
 		string _sel;
 		public void OpenDialog(string entry) {
 			_sel = entry;
 			m_inputDialog.SetActive(true);
-			Game.InputManager.Activate();
 			CallHelper.Purge(m_deviceList);
+			Game.InputManager.EnumerateEvents(ev => { });
 			_recvsrcs.Clear();
 			AddSourceItem(null);
 		}
 
 		public void CloseDialog() {
 			m_inputDialog.SetActive(false);
-			Game.InputManager.Deactivate();
 		}
 
 		public void CloseDialog(InputSource? src) {
-			_proxy.Set(new InputProxyEntry {
+			proxy.Set(new InputProxyEntry {
 				Target = _sel,
 				Source = src,
 			});
 			m_inputDialog.SetActive(false);
-			Game.InputManager.Deactivate();
 		}
 
 		void Start() {
-			ChartPlayer.etor = new PdtEvaluator();
-			FileInfo file = new FileInfo(
-				Game.GameDataPath + "/rulesets/" + Settings.Default.LoadRuleset
-			);
-			DirectoryInfo dir = file.Directory;
-			using (StreamReader reader = new StreamReader(file.FullName, Encoding.UTF8)) {
-				var ruleset = JsonConvert.DeserializeObject<Ruleset>(reader.ReadToEnd(), new JsonSerializerSettings() {
-					MissingMemberHandling = MissingMemberHandling.Error
-				});
-				if (ruleset.format != 1) throw new FormatException("Invalid ruleset file version");
-				ruleset.LoadPdt(dir);
-				_proxy = new InputProxy(ruleset.Root, null);
-				foreach (var i in ruleset.Root.inputs) {
-					var e = GameObject.Instantiate(m_prefabInputConfigEntry).GetComponent<InputConfigEntry>();
-					e.transform.SetParent(m_entryList.transform);
-					_entries.Add(i.Key, e);
-					e.SetKey(this, i.Key);
-				}
-				_proxy.ProxyChanged += OnProxyChanged;
+			foreach (var i in m_configScene.ruleset.Root.inputs) {
+				var e = GameObject.Instantiate(m_prefabInputConfigEntry, m_entryList.transform).GetComponent<InputConfigPanelEntry>();
+				_entries.Add(i.Key, e);
+				e.SetKey(this, i.Key);
+				OnProxyChanged(this, proxy[i.Key]);
 			}
+			proxy.ProxyChanged += OnProxyChanged;
 		}
 
 		void OnProxyChanged(object sender, ProxyChangedEventArgs e) {
@@ -92,11 +76,10 @@ namespace Cryville.Crtr.Config {
 		void AddSourceItem(InputSource? src) {
 			if (_recvsrcs.Contains(src)) return;
 			_recvsrcs.Add(src);
-			var obj = Instantiate(m_prefabListItem);
-			obj.transform.SetParent(m_deviceList);
+			var obj = Instantiate(m_prefabListItem, m_deviceList);
 			obj.transform.Find("Text").GetComponent<Text>().text = src == null ? "None" : src.Value.Handler.GetTypeName(src.Value.Type);
 			var btn = obj.GetComponent<Button>();
-			if (src != null) btn.interactable = !_proxy.IsUsed(src.Value);
+			if (src != null) btn.interactable = !proxy.IsUsed(src.Value);
 			btn.onClick.AddListener(() => {
 				CloseDialog(src);
 			});

Assets/Cryville/Crtr/Config/InputConfigPanelEntry.cs

@@ -2,7 +2,7 @@
 using UnityEngine.UI;
 
 namespace Cryville.Crtr.Config {
-	public class InputConfigEntry : MonoBehaviour {
+	public class InputConfigPanelEntry : MonoBehaviour {
 		[SerializeField]
 		Text m_key;
 
@@ -12,7 +12,7 @@ namespace Cryville.Crtr.Config {
 		[SerializeField]
 		Button m_button;
 
-		public void SetKey(InputConfig master, string name) {
+		public void SetKey(InputConfigPanel master, string name) {
 			m_key.text = name;
 			m_value.text = "None";
 			m_button.onClick.AddListener(() => {

Assets/Cryville/Crtr/Config/RulesetConfig.cs

@@ -0,0 +1,32 @@
+using Cryville.Common.ComponentModel;
+using Newtonsoft.Json;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+
+namespace Cryville.Crtr.Config {
+	public class RulesetConfig {
+		public Generic generic = new Generic();
+		public class Generic {
+			[Category("basic")]
+			[JsonProperty("skin")]
+			public string Skin { get; set; }
+
+			[Category("deprecated")][Obsolete]
+			[JsonProperty("scroll_velocity")][DefaultValue(1)]
+			[LogarithmicScale][Step(0.5f)][Precision(1e-1)]
+			public float ScrollVelocity { get; set; }
+
+			public Generic() {
+				Skin = "";
+				ScrollVelocity = 1;
+			}
+		}
+		public Dictionary<string, InputEntry> inputs
+			= new Dictionary<string, InputEntry>();
+		public class InputEntry {
+			public string handler;
+			public int type;
+		}
+	}
+}

Assets/Cryville/Crtr/Config/RulesetConfig.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: aa140184f4b7acb4b994a0826e1f107d
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Cryville/Crtr/DiscordController.cs

@@ -0,0 +1,56 @@
+using Discord;
+using System;
+using UnityEngine;
+
+namespace Cryville.Crtr {
+	internal class DiscordController : MonoBehaviour {
+#if UNITY_STANDALONE_WIN || UNITY_EDITOR_WIN
+		public static DiscordController Instance;
+
+		const long CLIENT_ID = 1059021675578007622L;
+
+		Discord.Discord dc;
+		ActivityManager am;
+		long launchTime;
+
+		void Start() {
+			Instance = this;
+			launchTime = (long)(DateTime.UtcNow - DateTime.UnixEpoch).TotalSeconds;
+			dc = new Discord.Discord(CLIENT_ID, (UInt64)CreateFlags.Default);
+			am = dc.GetActivityManager();
+			SetIdle();
+		}
+
+		void Update() {
+			dc.RunCallbacks();
+		}
+
+		void OnApplicationQuit() {
+			dc.Dispose();
+		}
+
+		void Callback(Result result) { }
+
+		public void SetIdle() {
+			am.UpdateActivity(new Activity {
+				State = "Idle",
+				Instance = false,
+				Timestamps = { Start = launchTime },
+			}, Callback);
+		}
+
+		public void SetPlaying(string detail, double? duration) {
+			long now = (long)(DateTime.UtcNow - DateTime.UnixEpoch).TotalSeconds;
+			am.UpdateActivity(new Activity {
+				State = "Playing a chart",
+				Details = detail,
+				Instance = true,
+				Timestamps = {
+					Start = now,
+					End = duration == null ? 0 : now + (long)duration,
+				},
+			}, Callback);
+		}
+#endif
+	}
+}

Assets/Cryville/Crtr/DiscordController.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 7f7c5da9a520bef4e832e2f89f7b737f
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Cryville/Crtr/Event/ContainerHandler.cs

@@ -1,6 +1,9 @@
+using Cryville.Common;
+using Cryville.Common.Buffers;
 using Cryville.Crtr.Components;
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using UnityEngine;
 
 namespace Cryville.Crtr.Event {
@@ -35,54 +38,55 @@ namespace Cryville.Crtr.Event {
 		/// </summary>
 		public Transform gogroup;
 
-		public readonly Dictionary<string, Anchor> Anchors = new Dictionary<string, Anchor>();
-		public Transform a_head;
-		public Transform a_tail;
-		public Vector3 Position {
-			get;
-			protected set;
-		}
-		public Quaternion Rotation {
-			get;
-			protected set;
-		}
-		public bool Alive {
-			get;
-			private set;
-		}
-		public bool Awoken {
-			get;
-			private set;
-		}
-		public bool Disposed {
-			get;
-			private set;
-		}
+		public readonly Dictionary<int, Anchor> Anchors = new Dictionary<int, Anchor>();
+		protected Transform a_cur;
+		protected Transform a_head;
+		protected Transform a_tail;
+		public Vector3 Position { get; protected set; }
+		public Quaternion Rotation { get; protected set; }
+		public bool Alive { get; private set; }
+		public bool Awoken { get; private set; }
+		public bool Disposed { get; private set; }
 
 		public EventContainer Container {
 			get { return cs.Container; }
 		}
-		
+
+		SkinContainer skinContainer;
+		protected Judge judge;
+		public void AttachSystems(PdtSkin skin, Judge judge) {
+			skinContainer = new SkinContainer(skin);
+			this.judge = judge;
+		}
+
 		public ContainerHandler() { }
 		public abstract string TypeName {
 			get;
 		}
+		protected readonly static int _a_cur = IdentifierManager.SharedInstance.Request("cur");
+		protected readonly static int _a_head = IdentifierManager.SharedInstance.Request("head");
+		protected readonly static int _a_tail = IdentifierManager.SharedInstance.Request("tail");
 		public virtual void PreInit() {
-			gogroup = new GameObject(TypeName + ":" + Container.GetHashCode().ToString()).transform;
+			gogroup = new GameObject(TypeName + ":" + Container.GetHashCode().ToString(CultureInfo.InvariantCulture)).transform;
 			if (cs.Parent != null)
 				gogroup.SetParent(cs.Parent.Handler.gogroup, false);
-			a_head = new GameObject("::head").transform;
-			a_head.SetParent(gogroup, false);
-			Anchors.Add("head", new Anchor() { Transform = a_head });
-			a_tail = new GameObject("::tail").transform;
-			a_tail.SetParent(gogroup, false);
-			Anchors.Add("tail", new Anchor() { Transform = a_tail });
+			a_cur = RegisterAnchor(_a_cur).Transform;
+			a_head = RegisterAnchor(_a_head).Transform;
+			a_tail = RegisterAnchor(_a_tail).Transform;
 		}
+		protected Anchor RegisterAnchor(int name) {
+			var go = new GameObject("." + IdentifierManager.SharedInstance.Retrieve(name)).transform;
+			go.SetParent(gogroup, false);
+			var result = new Anchor() { Transform = go };
+			Anchors.Add(name, result);
+			return result;
+		}
+
 		/// <summary>
-		/// Called upon initialization of <see cref="cs" />.
+		/// Called upon StartUpdate of ps 17.
 		/// </summary>
 		public virtual void Init() {
-			cs.skinContainer.MatchStatic(cs);
+			skinContainer.MatchStatic(ps);
 			foreach (var i in gogroup.GetComponentsInChildren<SkinComponent>())
 				i.Init();
 		}
@@ -100,10 +104,10 @@ namespace Cryville.Crtr.Event {
 		protected virtual void PreAwake(ContainerState s) {
 			if (gogroup) gogroup.gameObject.SetActive(true);
 			Awoken = true; Alive = true;
-			OpenAnchor("head");
+			OpenAnchor(_a_head);
 		}
 		protected virtual void Awake(ContainerState s) {
-			CloseAnchor("head");
+			CloseAnchor(_a_head);
 		}
 		protected virtual void GetPosition(ContainerState s) { }
 		public virtual void StartUpdate(ContainerState s) {
@@ -111,26 +115,51 @@ namespace Cryville.Crtr.Event {
 				PreAwake(s);
 				Awake(s);
 			}
+			else if (s.CloneType == 17) {
+				Init();
+			}
+		}
+		static readonly SimpleObjectPool<StampedEvent.Anchor> anchorEvPool
+			= new SimpleObjectPool<StampedEvent.Anchor>(1024);
+		protected void PushAnchorEvent(int name, double time) {
+			var tev = anchorEvPool.Rent();
+			tev.Time = time;
+			tev.Container = Container;
+			tev.Name = name;
+			ts.Bus.PushTempEvent(tev);
 		}
 		public virtual void Update(ContainerState s, StampedEvent ev) {
 			bool flag = !Awoken && s.CloneType >= 2 && s.CloneType < 16;
 			if (flag) PreAwake(s);
-			if (Awoken && s.CloneType <= 2) if (gogroup) cs.skinContainer.MatchDynamic(s);
+			if (s.CloneType <= 2) if (gogroup) skinContainer.MatchDynamic(s);
 			if (flag) Awake(s);
 		}
-		public virtual void ExUpdate(ContainerState s, StampedEvent ev) { }
+		public virtual void ExUpdate(ContainerState s, StampedEvent ev) {
+			if (ev is StampedEvent.Anchor) {
+				var tev = (StampedEvent.Anchor)ev;
+				if (gogroup) {
+					OpenAnchor(tev.Name);
+					Anchors[tev.Name].Transform.SetPositionAndRotation(Position, Rotation);
+					skinContainer.MatchDynamic(s);
+					CloseAnchor(tev.Name);
+				}
+				anchorEvPool.Return(tev);
+			}
+		}
 		public virtual void MotionUpdate(byte ct, Chart.Motion ev) { }
 		public virtual void EndUpdate(ContainerState s) {
 			if (s.CloneType < 16) {
 				Awoken = false;
-				if (gogroup && s.CloneType <= 2) cs.skinContainer.MatchDynamic(s);
+				if (gogroup && s.CloneType <= 2) skinContainer.MatchDynamic(s);
 			}
 		}
-		public virtual void Anchor() { }
-		protected void OpenAnchor(string name) {
+		public virtual void Anchor() {
+			if (cs.Working) PushAnchorEvent(_a_cur, cs.Time);
+		}
+		protected void OpenAnchor(int name) {
 			if (Anchors.ContainsKey(name)) Anchors[name].Open();
 		}
-		protected void CloseAnchor(string name) {
+		protected void CloseAnchor(int name) {
 			if (Anchors.ContainsKey(name)) Anchors[name].Close();
 		}
 	}

Assets/Cryville/Crtr/Event/ContainerState.cs

@@ -50,15 +50,13 @@ namespace Cryville.Crtr.Event {
 		public byte CloneType;
 		private ContainerState rootPrototype = null;
 		private ContainerState prototype = null;
-		public SkinContainer skinContainer;
-		public Judge judge;
 
 		public ContainerHandler Handler {
 			get;
 			private set;
 		}
 
-		public float Time {
+		public double Time {
 			get {
 				return Bus.Time;
 			}
@@ -67,8 +65,14 @@ namespace Cryville.Crtr.Event {
 		readonly RMVPool RMVPool = new RMVPool();
 		protected Dictionary<StampedEvent, RealtimeMotionValue> PlayingMotions = new Dictionary<StampedEvent, RealtimeMotionValue>();
 		protected Dictionary<Identifier, RealtimeMotionValue> Values;
-		protected Dictionary<Identifier, Vector> CachedValues;
-		protected Dictionary<Identifier, bool> CachedValueStates;
+		protected Dictionary<Identifier, CacheEntry> CachedValues;
+		protected class CacheEntry {
+			public bool Valid { get; set; }
+			public Vector Value { get; set; }
+			public CacheEntry Clone() {
+				return new CacheEntry { Valid = Valid, Value = Value == null ? null : Value.Clone() };
+			}
+		}
 
 		/// <summary>
 		/// Gets a motion value.
@@ -90,7 +94,10 @@ namespace Cryville.Crtr.Event {
 		}
 
 		void InvalidateMotion(Identifier name) {
-			CachedValueStates[name] = false;
+			CacheEntry cache;
+			if (!CachedValues.TryGetValue(name, out cache))
+				CachedValues.Add(name, cache = new CacheEntry());
+			cache.Valid = false;
 			foreach (var c in Children)
 				c.Value.InvalidateMotion(name);
 		}
@@ -104,8 +111,7 @@ namespace Cryville.Crtr.Event {
 			}
 
 			Values = new Dictionary<Identifier, RealtimeMotionValue>(ChartPlayer.motionRegistry.Count);
-			CachedValues = new Dictionary<Identifier, Vector>(ChartPlayer.motionRegistry.Count);
-			CachedValueStates = new Dictionary<Identifier, bool>(ChartPlayer.motionRegistry.Count);
+			CachedValues = new Dictionary<Identifier, CacheEntry>(ChartPlayer.motionRegistry.Count);
 			foreach (var m in ChartPlayer.motionRegistry)
 				Values.Add(m.Key, new RealtimeMotionValue().Init(Parent == null ? m.Value.GlobalInitValue : m.Value.InitValue));
 		}
@@ -126,18 +132,12 @@ namespace Cryville.Crtr.Event {
 			}
 			r.Values = mvs;
 
-			var cvs = new Dictionary<Identifier, Vector>(ChartPlayer.motionRegistry.Count);
+			var cvs = new Dictionary<Identifier, CacheEntry>(ChartPlayer.motionRegistry.Count);
 			foreach (var cv in CachedValues) {
 				cvs.Add(cv.Key, cv.Value.Clone());
 			}
 			r.CachedValues = cvs;
 
-			var cvss = new Dictionary<Identifier, bool>(ChartPlayer.motionRegistry.Count);
-			foreach (var cv in CachedValueStates) {
-				cvss.Add(cv.Key, cv.Value);
-			}
-			r.CachedValueStates = cvss;
-
 			r.Children = new Dictionary<EventContainer, ContainerState>();
 			foreach (var child in Children) {
 				var cc = child.Value.Clone(ct);
@@ -172,11 +172,13 @@ namespace Cryville.Crtr.Event {
 			}
 
 			foreach (var cv in CachedValues) {
-				Vector dv;
-				if(dest.CachedValues.TryGetValue(cv.Key, out dv)) cv.Value.CopyTo(dv);
+				CacheEntry dv;
+				if (dest.CachedValues.TryGetValue(cv.Key, out dv)) {
+					dv.Valid = cv.Value.Valid;
+					if (cv.Value.Value != null) cv.Value.Value.CopyTo(dv.Value);
+				}
 				else dest.CachedValues.Add(cv.Key, cv.Value.Clone());
 			}
-			foreach (var cvs in CachedValueStates) dest.CachedValueStates[cvs.Key] = cvs.Value;
 
 			if (ct != 1) foreach (var cev in WorkingChildren)
 				Children[cev].CopyTo(ct, dest.Children[cev]);
@@ -184,7 +186,6 @@ namespace Cryville.Crtr.Event {
 				child.Value.CopyTo(ct, dest.Children[child.Key]);
 			ValidateChildren();
 
-			RMVPool.ReturnAll();
 			dest.PlayingMotions.Clear();
 			foreach (var m in PlayingMotions) dest.PlayingMotions.Add(m.Key, m.Value);
 		}
@@ -196,7 +197,7 @@ namespace Cryville.Crtr.Event {
 		public void Dispose() {
 			if (Disposed) return;
 			Disposed = true;
-			if (Handler != null) Handler.Dispose();
+			if (CloneType < 16 && Handler != null) Handler.Dispose();
 			foreach (var s in Children)
 				s.Value.Dispose();
 			RMVPool.ReturnAll();
@@ -204,33 +205,31 @@ namespace Cryville.Crtr.Event {
 
 		public void AttachHandler(ContainerHandler h) {
 			if (Handler != null)
-				throw new InvalidOperationException();
+				throw new InvalidOperationException("Handler attached twice");
 			Handler = h;
 			h.cs = this;
 		}
 
 		public void AttachSystems(PdtSkin skin, Judge judge) {
-			skinContainer = new SkinContainer(skin);
-			this.judge = judge;
+			Handler.AttachSystems(skin, judge);
 		}
 
 		public Vector GetRawValue(Identifier key) {
-			Vector tr;
-			if (!CachedValues.TryGetValue(key, out tr)) {
-				tr = (Vector)ReflectionHelper.InvokeEmptyConstructor(ChartPlayer.motionRegistry[key].Type);
-				CachedValues.Add(key, tr);
-				CachedValueStates[key] = false;
-			}
-			Vector r = tr;
+			CacheEntry tr;
+			if (!CachedValues.TryGetValue(key, out tr))
+				CachedValues.Add(key, tr = new CacheEntry { Valid = false });
+			if (tr.Value == null)
+				tr.Value = RMVPool.Rent(key).AbsoluteValue;
+			Vector r = tr.Value;
 #if !DISABLE_CACHE
-			if (CachedValueStates[key]) return r;
+			if (tr.Valid) return r;
 #endif
 			float reltime = 0;
-			if (rootPrototype != null) reltime = Time - rootPrototype.Time;
+			if (rootPrototype != null) reltime = (float)(Time - rootPrototype.Time);
 			GetMotionValue(key).GetValue(reltime, ref r);
 			if (Parent != null) r.ApplyFrom(Parent.GetRawValue(key));
 #if !DISABLE_CACHE
-			CachedValueStates[key] = true;
+			tr.Valid = true;
 #endif
 			return r;
 		}
@@ -324,11 +323,14 @@ namespace Cryville.Crtr.Event {
 				if (ev.Unstamped is Chart.Motion) {
 					var tev = (Chart.Motion)ev.Unstamped;
 					var mv = RMVPool.Rent(tev.Name);
+					mv.CloneTypeFlag = CloneType;
 					GetMotionValue(tev.Name).CopyTo(mv);
 					PlayingMotions.Add(ev, mv);
 					Callback(ev, callback);
-					if (!ev.Unstamped.IsLong)
+					if (!ev.Unstamped.IsLong) {
 						PlayingMotions.Remove(ev);
+						RMVPool.Return(mv);
+					}
 				}
 				else if (ev.Unstamped is EventContainer) {
 					var cev = (EventContainer)ev.Unstamped;
@@ -348,6 +350,8 @@ namespace Cryville.Crtr.Event {
 						var nev = tev.Original;
 						if (nev is Chart.Motion) {
 							Callback(ev, callback);
+							var mv = PlayingMotions[ev.Origin];
+							if (mv.CloneTypeFlag == CloneType) RMVPool.Return(mv);
 							PlayingMotions.Remove(ev.Origin);
 						}
 						else if (nev is EventContainer) {
@@ -390,7 +394,7 @@ namespace Cryville.Crtr.Event {
 					}
 				}
 				else {
-					var scaledTime = (Time - m.Key.Time - ChartPlayer.actualRenderStep * tev.sumfix) / m.Key.Duration;
+					var scaledTime = (float)((Time - m.Key.Time - ChartPlayer.actualRenderStep * tev.sumfix) / m.Key.Duration);
 					var lerpedTime = MotionLerper.GetEaseTime(scaledTime, tev.transition, tev.rate);
 					if (tev.RelativeNode != null) {
 						var target = value.QueryRelativeNode(tev.RelativeNode.Id);
@@ -404,13 +408,17 @@ namespace Cryville.Crtr.Event {
 			}
 		}
 
-		public void BroadcastInit() {
+		public void BroadcastPreInit() {
 			Handler.PreInit();
-			Handler.Init();
-			foreach (var s in Children) {
-				s.Value.BroadcastInit();
+			foreach (var c in Children.Values) {
+				c.BroadcastPreInit();
 			}
+		}
+		public void BroadcastPostInit() {
 			Handler.PostInit();
+			foreach (var c in Children.Values) {
+				c.BroadcastPostInit();
+			}
 		}
 
 		public void StartUpdate() {

Assets/Cryville/Crtr/Event/EventBatch.cs

@@ -4,7 +4,7 @@ using System.Collections.Generic;
 
 namespace Cryville.Crtr.Event {
 	public class EventBatch : IComparable<EventBatch>, IEnumerable<StampedEvent> {
-		public float Time {
+		public double Time {
 			get;
 			private set;
 		}
@@ -14,7 +14,7 @@ namespace Cryville.Crtr.Event {
 			get { return queue.Count; }
 		}
 
-		public EventBatch(float time) {
+		public EventBatch(double time) {
 			Time = time;
 		}
 
@@ -32,7 +32,7 @@ namespace Cryville.Crtr.Event {
 		}
 
 		public int CompareTo(EventBatch other) {
-			return this.Time.CompareTo(other.Time);
+			return Time.CompareTo(other.Time);
 		}
 
 		public IEnumerator<StampedEvent> GetEnumerator() {

Assets/Cryville/Crtr/Event/EventBatcher.cs

@@ -17,8 +17,8 @@ namespace Cryville.Crtr.Event {
 			= new Dictionary<ChartEvent, ContainerState>();
 		public List<StampedEvent> stampedEvents = new List<StampedEvent>();
 		readonly List<EventBatch> batches = new List<EventBatch>();
-		
-		float beat;
+
+		double beat;
 		float tempo;
 		
 		public EventBatcher(Chart c) : base(c, new List<ChartEvent>()) {
@@ -56,12 +56,12 @@ namespace Cryville.Crtr.Event {
 			}
 		}
 		
-		public override void ForwardOnceToTime(float toTime, Action<ChartEvent> callback) {
-			float toBeat = (float)Math.Round(beat + (toTime - Time) * tempo / 60f, 6);
+		public override void ForwardOnceToTime(double toTime, Action<ChartEvent> callback) {
+			double toBeat = Math.Round(beat + (toTime - Time) * tempo / 60f, 6);
 			if (EventId >= events.Count)
 				goto return_ahead;
-			float ebeat = events[EventId].BeatPosition;
-			float etime = (float)Math.Round((ebeat - beat) / tempo * 60f + Time, 6);
+			double ebeat = events[EventId].BeatPosition;
+			double etime = Math.Round((ebeat - beat) / tempo * 60f + Time, 6);
 			if (etime > toTime)
 				goto return_ahead;
 			var batch = GetEventBatch();

Assets/Cryville/Crtr/Event/EventBus.cs

@@ -33,8 +33,10 @@ namespace Cryville.Crtr.Event {
 			r.activeContainers = new List<EventContainer>();
 			r.workingStates = new HashSet<ContainerState>();
 			r.invalidatedStates = new HashSet<ContainerState>();
+			r.tempEvents = new List<StampedEvent>();
 			r.Time += offsetTime;
 			r.RootState = RootState.Clone(ct);
+			r.RootState.StartUpdate();
 			r.Expand();
 			r.AttachBus();
 			foreach (var s in r.states) r.invalidatedStates.Add(s.Value);
@@ -98,39 +100,46 @@ namespace Cryville.Crtr.Event {
 				s.AttachSystems(skin, judge);
 		}
 
-		readonly List<StampedEvent> patch = new List<StampedEvent>();
-		public void IssuePatch(IEnumerable<StampedEvent> l) {
-			patch.AddRange(l);
-		}
-		public void DoPatch() {
-			foreach (var ev in patch) {
-				var batch = new EventBatch(ev.Time);
-				var batchIndex = events.BinarySearch(batch);
-				if (batchIndex >= 0) batch = events[batchIndex];
-				else events.Insert(~batchIndex, batch);
-				batch.Add(ev);
-			}
-			patch.Clear();
+		List<StampedEvent> tempEvents = new List<StampedEvent>();
+		public void PushTempEvent(StampedEvent ev) {
+			var index = tempEvents.BinarySearch(ev);
+			if (index < 0) index = ~index;
+			tempEvents.Insert(index, ev);
 		}
 
-		public override void ForwardOnceToTime(float toTime, Action<EventBatch> callback = null) {
-			if (EventId < events.Count && events[EventId].Time <= toTime) {
-				Time = events[EventId].Time;
-				var batch = events[EventId];
+		public override void ForwardOnceToTime(double toTime, Action<EventBatch> callback = null) {
+			double time1 = EventId < events.Count ? events[EventId].Time : double.PositiveInfinity;
+			double time2 = tempEvents.Count > 0 ? tempEvents[0].Time : double.PositiveInfinity;
+			double time0 = Math.Min(time1, time2);
+			if (time0 <= toTime && time0 != double.PositiveInfinity) {
+				Time = time0;
 				foreach (var s in workingStates) s.Handle(null);
 				ValidateStates();
-				for (var i = 0; i < batch.Count; i++) {
-					var ev = batch[i];
-					if (ev.Container != null) {
-						EnsureActivity(ev.Container);
-						states[ev.Container].Handle(ev);
+				if (time1 == time0) {
+					var batch = events[EventId];
+					for (var i = 0; i < batch.Count; i++) {
+						var ev = batch[i];
+						if (ev.Container != null) {
+							EnsureActivity(ev.Container);
+							states[ev.Container].Handle(ev);
+						}
+						if (ev.Unstamped is EventContainer) {
+							if (ev.Container != null) EnsureActivity((EventContainer)ev.Unstamped);
+						}
 					}
-					if (ev.Unstamped is EventContainer) {
-						if (ev.Container != null) EnsureActivity((EventContainer)ev.Unstamped);
+					EventId++;
+				}
+				if (time2 == time0) {
+					while (tempEvents.Count > 0) {
+						var ev = tempEvents[0];
+						if (ev.Container != null) {
+							EnsureActivity(ev.Container);
+							states[ev.Container].Handle(ev);
+						}
+						tempEvents.RemoveAt(0);
 					}
 				}
 				ValidateStates();
-				EventId++;
 			}
 			else {
 				Time = toTime;
@@ -145,13 +154,17 @@ namespace Cryville.Crtr.Event {
 				else if (!s.Working && workingStates.Contains(s)) workingStates.Remove(s);
 			invalidatedStates.Clear();
 		}
-
-		public void BroadcastInit() {
-			RootState.BroadcastInit();
-		}
 		
+		public void BroadcastPreInit() {
+			RootState.BroadcastPreInit();
+		}
+		public void BroadcastPostInit() {
+			RootState.BroadcastPostInit();
+		}
+
 		public void BroadcastEndUpdate() {
 			RootState.BroadcastEndUpdate();
+			tempEvents.Clear();
 		}
 
 		public void Anchor() {

Assets/Cryville/Crtr/Event/RMVPool.cs

@@ -20,10 +20,13 @@ namespace Cryville.Crtr.Event {
 				_buckets.Add(reg.Key, new Bucket(reg.Key, 4096));
 		}
 
-		readonly Dictionary<RealtimeMotionValue, string> _rented = new Dictionary<RealtimeMotionValue, string>();
+		static readonly SimpleObjectPool<Dictionary<RealtimeMotionValue, Identifier>> _dictPool
+			= new SimpleObjectPool<Dictionary<RealtimeMotionValue, Identifier>>(1024);
+		Dictionary<RealtimeMotionValue, Identifier> _rented;
 		public RealtimeMotionValue Rent(Identifier name) {
 			var n = name;
 			var obj = _buckets[n].Rent();
+			if (_rented == null) _rented = _dictPool.Rent();
 			_rented.Add(obj, n);
 			return obj;
 		}
@@ -35,6 +38,7 @@ namespace Cryville.Crtr.Event {
 			foreach (var obj in _rented)
 				_buckets[obj.Value].Return(obj.Key);
 			_rented.Clear();
+			_dictPool.Return(_rented);
 		}
 	}
 }

Assets/Cryville/Crtr/Extensions/Bestdori.meta

@@ -1,9 +1,8 @@
 fileFormatVersion: 2
-guid: ef3100799cf39eb4d8585dcfba2529a5
+guid: b9bd9e24d7c553341a2a12391843542f
 folderAsset: yes
-timeCreated: 1623583530
-licenseType: Pro
 DefaultImporter:
+  externalObjects: {}
   userData: 
   assetBundleName: 
   assetBundleVariant: 

Assets/Cryville/Crtr/Extensions/Bestdori/BestdoriChartConverter.cs

@@ -0,0 +1,186 @@
+using Cryville.Common;
+using Cryville.Common.Math;
+using Cryville.Crtr.Browsing;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Converters;
+using Newtonsoft.Json.Linq;
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.IO;
+
+namespace Cryville.Crtr.Extensions.Bestdori {
+	public class BestdoriChartConverter : ResourceConverter {
+		static readonly string[] SUPPORTED_FORMATS = { ".bestdori" };
+		public override string[] GetSupportedFormats() {
+			return SUPPORTED_FORMATS;
+		}
+
+		public override IEnumerable<Resource> ConvertFrom(FileInfo file) {
+			List<Resource> result = new List<Resource>();
+			List<BestdoriChartEvent> src;
+			using (var reader = new StreamReader(file.FullName)) {
+				src = JsonConvert.DeserializeObject<List<BestdoriChartEvent>>(reader.ReadToEnd());
+			}
+			var group = new Chart.Group() {
+				tracks = new List<Chart.Track>(),
+				notes = new List<Chart.Note>(),
+				motions = new List<Chart.Motion>(),
+			};
+			Chart chart = new Chart {
+				format = 2,
+				time = new BeatTime(0, 0, 1),
+				ruleset = "bang_dream_girls_band_party",
+				sigs = new List<Chart.Signature>(),
+				sounds = new List<Chart.Sound>(),
+				motions = new List<Chart.Motion>(),
+				groups = new List<Chart.Group> { group },
+			};
+			var tm = new BeatTimeTimingModel();
+			string bgm = null;
+			double endbeat = 0;
+			foreach (var ev in src) {
+				tm.ForwardTo(ev.StartBeat);
+				if (ev.StartBeat > endbeat) endbeat = ev.StartBeat;
+				if (ev is BestdoriChartEvent.System) {
+					if (bgm != null) continue;
+					var tev = (BestdoriChartEvent.System)ev;
+					bgm = StringUtils.TrimExt(tev.data);
+					var name = "bang_dream_girls_band_party__" + bgm;
+					result.Add(new SongResource(name, new FileInfo(Path.Combine(file.Directory.FullName, tev.data))));
+					chart.sounds.Add(new Chart.Sound { time = ToBeatTime(tev.beat), id = name });
+				}
+				else if (ev is BestdoriChartEvent.BPM) {
+					var tev = (BestdoriChartEvent.BPM)ev;
+					tm.BPM = tev.bpm;
+					chart.sigs.Add(new Chart.Signature { time = ToBeatTime(tev.beat), tempo = (float)tev.bpm });
+				}
+				else if (ev is BestdoriChartEvent.Single) {
+					var tev = (BestdoriChartEvent.Single)ev;
+					group.notes.Add(new Chart.Note {
+						time = ToBeatTime(tev.beat),
+						judges = new List<Chart.Judge> { new Chart.Judge { name = tev.flick ? "single_flick" : "single" } },
+						motions = new List<Chart.Motion> { new Chart.Motion { motion = "track:" + tev.lane.ToString(CultureInfo.InvariantCulture) } },
+					});
+				}
+				else if (ev is BestdoriChartEvent.Long) {
+					var tev = (BestdoriChartEvent.Long)ev;
+					var c1 = tev.connections[tev.connections.Count - 1];
+					var note = new Chart.Note {
+						time = ToBeatTime(tev.connections[0].beat),
+						endtime = ToBeatTime(c1.beat),
+						judges = new List<Chart.Judge>(),
+					};
+					for (int i = 0; i < tev.connections.Count; i++) {
+						BestdoriChartEvent.Connection c = tev.connections[i];
+						if (i == 0) {
+							note.judges.Add(new Chart.Judge { name = "single" });
+							note.motions.Add(new Chart.Motion { motion = "track:" + c.lane.ToString(CultureInfo.InvariantCulture) });
+						}
+						else {
+							note.motions.Add(new Chart.Motion { time = ToBeatTime(tev.connections[i - 1].beat), endtime = ToBeatTime(c.beat), motion = "track:" + c.lane.ToString(CultureInfo.InvariantCulture) });
+							if (i == tev.connections.Count - 1)
+								note.judges.Add(new Chart.Judge { time = ToBeatTime(c.beat), name = c.flick ? "longend_flick" : "longend" });
+							else if (!c.hidden)
+								note.judges.Add(new Chart.Judge { time = ToBeatTime(c.beat), name = "longnode" });
+						}
+					}
+					if (c1.beat > endbeat) endbeat = c1.beat;
+					group.notes.Add(note);
+				}
+				else throw new NotImplementedException("Unsupported event: " + ev.type);
+			}
+			if (bgm == null) throw new FormatException("Chart contains no song");
+			chart.endtime = ToBeatTime(endbeat + 4);
+			if (endbeat > tm.BeatTime) tm.ForwardTo(endbeat);
+			result.Add(new RawChartResource(string.Format("bang_dream_girls_band_party__{0}__{1}", bgm, StringUtils.TrimExt(file.Name)), chart, new ChartMeta {
+				name = string.Format("Bandori {0} {1}", bgm, StringUtils.TrimExt(file.Name)),
+				author = "©BanG Dream! Project ©Craft Egg Inc. ©bushiroad",
+				ruleset = "bang_dream_girls_band_party",
+				note_count = group.notes.Count,
+				length = (float)tm.Time,
+				song = new SongMetaInfo {
+					name = bgm,
+					author = "©BanG Dream! Project ©Craft Egg Inc. ©bushiroad",
+				}
+			}));
+			return result;
+		}
+
+		BeatTime ToBeatTime(double beat, double error = 1e-4) {
+			int i, n, d;
+			FractionUtils.ToFraction(beat, error, out n, out d);
+			i = n / d; n %= d;
+			return new BeatTime(i, n, d);
+		}
+
+#pragma warning disable IDE1006
+		[JsonConverter(typeof(BestdoriChartEventCreator))]
+		abstract class BestdoriChartEvent {
+			public abstract string type { get; }
+			public abstract double StartBeat { get; }
+			public abstract class InstantEvent : BestdoriChartEvent {
+				public double beat;
+				public override double StartBeat { get { return beat; } }
+			}
+			public class BPM : InstantEvent {
+				public override string type { get { return "BPM"; } }
+				public double bpm;
+			}
+			public class System : InstantEvent {
+				public override string type { get { return "System"; } }
+				public string data;
+			}
+			public abstract class SingleBase : InstantEvent {
+				public double lane;
+				public bool skill;
+				public bool flick;
+			}
+			public class Single : SingleBase {
+				public override string type { get { return "Single"; } }
+			}
+			public class Directional : SingleBase {
+				public override string type { get { return "Directional"; } }
+				public string direction;
+				public int width;
+			}
+			public class Connection : SingleBase {
+				public override string type { get { return null; } }
+				public bool hidden;
+			}
+			public class Long : BestdoriChartEvent {
+				public override string type { get { return "Long"; } }
+				public List<Connection> connections;
+				public override double StartBeat { get { return connections[0].beat; } }
+			}
+			public class Slide : Long {
+				public override string type { get { return "Slide"; } }
+			}
+		}
+#pragma warning restore IDE1006
+		class BestdoriChartEventCreator : CustomCreationConverter<BestdoriChartEvent> {
+			string _currentType;
+
+			public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer) {
+				var obj = JObject.ReadFrom(reader);
+				var type = obj["type"];
+				if (type == null) _currentType = null;
+				else _currentType = obj["type"].ToObject<string>();
+				return base.ReadJson(obj.CreateReader(), objectType, existingValue, serializer);
+			}
+
+			public override BestdoriChartEvent Create(Type objectType) {
+				switch (_currentType) {
+					case "BPM": return new BestdoriChartEvent.BPM();
+					case "System": return new BestdoriChartEvent.System();
+					case "Single": return new BestdoriChartEvent.Single();
+					case "Directional": return new BestdoriChartEvent.Directional();
+					case null: return new BestdoriChartEvent.Connection();
+					case "Long": return new BestdoriChartEvent.Long();
+					case "Slide": return new BestdoriChartEvent.Slide();
+					default: throw new ArgumentException("Unknown event type: " + _currentType);
+				}
+			}
+		}
+	}
+}

Assets/Cryville/Crtr/Extensions/Bestdori/BestdoriChartConverter.cs.meta

@@ -0,0 +1,11 @@
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+guid: e3c5a8bf05d5e284ba498e91cb0dd35e
+MonoImporter:
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+  assetBundleVariant: 

Assets/Cryville/Crtr/Extensions/Extensions.cs

@@ -0,0 +1,27 @@
+using Cryville.Crtr.Browsing;
+using Cryville.Crtr.Extensions.Bestdori;
+using Cryville.Crtr.Extensions.Malody;
+using Cryville.Crtr.Extensions.osu;
+using Cryville.Crtr.Extensions.Quaver;
+using System.Collections.Generic;
+
+namespace Cryville.Crtr.Extensions {
+	public class Extensions : ExtensionInterface {
+		public override IEnumerable<ResourceConverter> GetResourceConverters() {
+			return new ResourceConverter[] {
+				new BestdoriChartConverter(),
+				new MalodyChartConverter(),
+				new osuChartConverter(),
+				new QuaverChartConverter(),
+			};
+		}
+
+		public override IEnumerable<LocalResourceFinder> GetResourceFinders() {
+			return new LocalResourceFinder[] {
+				new MalodyChartFinder(),
+				new osuChartFinder(),
+				new QuaverChartFinder(),
+			};
+		}
+	}
+}

Assets/Cryville/Crtr/Extensions/Extensions.cs.meta

@@ -0,0 +1,11 @@
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+guid: 23377bf2926d93a4b8e3f3ab6040c7f2
+MonoImporter:
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Assets/Cryville/Crtr/Extensions/Malody/MalodyChartConverter.cs

@@ -2,6 +2,7 @@ using Cryville.Crtr.Browsing;
 using Newtonsoft.Json;
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.IO;
 using System.Linq;
 
@@ -17,23 +18,31 @@ namespace Cryville.Crtr.Extensions.Malody {
 		public override IEnumerable<Resource> ConvertFrom(FileInfo file) {
 			List<Resource> result = new List<Resource>();
 			MalodyChart src;
+			if (file.Extension != ".mc") throw new NotImplementedException("mcz file is not supported yet");
 			using (var reader = new StreamReader(file.FullName)) {
 				src = JsonConvert.DeserializeObject<MalodyChart>(reader.ReadToEnd());
 			}
-			if (src.meta.mode != 0) throw new NotImplementedException("The chart mode is not supported");
+			if (src.meta.mode != 0) throw new NotImplementedException(string.Format("{0} mode is not supported yet", MODES[src.meta.mode]));
+
+			var ruleset = "malody!" + MODES[src.meta.mode];
+			if (src.meta.mode == 0) {
+				ruleset += "." + src.meta.mode_ext.column.ToString(CultureInfo.InvariantCulture) + "k";
+			}
 
 			ChartMeta meta = new ChartMeta() {
-				song = new ChartMeta.MetaInfo() {
+				name = src.meta.version,
+				author = src.meta.creator,
+				song = new SongMetaInfo() {
 					name = src.meta.song.titleorg != null ? src.meta.song.titleorg : src.meta.song.title,
 					author = src.meta.song.artistorg != null ? src.meta.song.artistorg : src.meta.song.artist,
 				},
-				ruleset = "malody!" + MODES[src.meta.mode],
+				ruleset = ruleset,
 			};
 
 			Chart chart = new Chart {
 				format = 2,
 				time = new BeatTime(-4, 0, 1),
-				ruleset = "malody!" + MODES[src.meta.mode],
+				ruleset = ruleset,
 				sigs = new List<Chart.Signature>(),
 				sounds = new List<Chart.Sound>(),
 				motions = new List<Chart.Motion>(),
@@ -65,29 +74,28 @@ namespace Cryville.Crtr.Extensions.Malody {
 				= new Dictionary<MalodyChart.IEvent, StartEventState>();
 
 			float? baseBpm = null;
-			float pbeat = 0f, ctime = 0f;
-			int[] endbeat = new int[] { 0, 0, 1 };
+			var tm = new FractionalBeatTimeTimingModel();
 			foreach (var ev in events) {
-				float cbeat = bp(ev.beat);
-				ctime += baseBpm == null ? 0 : (cbeat - pbeat) / baseBpm.Value * 60f;
-				pbeat = cbeat;
+				var beat = new BeatTime(ev.beat[0], ev.beat[1], ev.beat[2]);
+				tm.ForwardTo(beat);
 				if (ev is MalodyChart.Time) {
 					var tev = (MalodyChart.Time)ev;
 					if (baseBpm == null) baseBpm = tev.bpm;
+					tm.BPM = tev.bpm;
 					chart.sigs.Add(new Chart.Signature {
-						time = new BeatTime(ev.beat[0], ev.beat[1], ev.beat[2]),
+						time = beat,
 						tempo = tev.bpm,
 					});
 					chart.motions.Add(new Chart.Motion {
-						time = new BeatTime(ev.beat[0], ev.beat[1], ev.beat[2]),
-						motion = "svm:" + (tev.bpm / baseBpm).ToString()
+						time = beat,
+						motion = "svm:" + (tev.bpm / baseBpm.Value).ToString(CultureInfo.InvariantCulture)
 					});
 				}
 				else if (ev is MalodyChart.Effect) {
 					var tev = (MalodyChart.Effect)ev;
 					if (tev.scroll != null) group.motions.Add(new Chart.Motion {
-						time = new BeatTime(ev.beat[0], ev.beat[1], ev.beat[2]),
-						motion = "svm:" + tev.scroll.ToString()
+						time = beat,
+						motion = "svm:" + tev.scroll.Value.ToString(CultureInfo.InvariantCulture)
 					});
 				}
 				else if (ev is MalodyChart.Note) {
@@ -102,22 +110,20 @@ namespace Cryville.Crtr.Extensions.Malody {
 								offset = -tev.offset / 1000f,
 							});
 						}
-						else throw new NotImplementedException();
+						else throw new NotImplementedException("Key sounds are not supported yet");
 					}
 					else {
-						if (bp(tev.beat) > bp(endbeat)) endbeat = tev.beat;
 						var rn = new Chart.Note() {
-							time = new BeatTime(tev.beat[0], tev.beat[1], tev.beat[2]),
+							time = beat,
 							motions = new List<Chart.Motion> {
-								new Chart.Motion() { motion = "track:" + tev.column.ToString() }
+								new Chart.Motion() { motion = "track:" + tev.column.ToString(CultureInfo.InvariantCulture) }
 							},
 						};
 						if (tev.endbeat != null) {
-							if (bp(tev.endbeat) > bp(endbeat)) endbeat = tev.endbeat;
 							rn.endtime = new BeatTime(tev.endbeat[0], tev.endbeat[1], tev.endbeat[2]);
 							longEvents.Add(ev, new StartEventState {
 								Destination = rn,
-								Time = ctime,
+								Time = tm.Time,
 							});
 						}
 						group.notes.Add(rn);
@@ -129,96 +135,91 @@ namespace Cryville.Crtr.Extensions.Malody {
 						var sev = tev.StartEvent;
 						longEvents.Remove(sev);
 					}
-					else throw new NotSupportedException();
+					else throw new NotSupportedException("Unrecognized long event");
 				}
-				else throw new NotSupportedException();
+				else throw new NotSupportedException("Unrecognized event");
 			}
-			chart.endtime = new BeatTime(endbeat[0] + 4, endbeat[1], endbeat[2]);
-			meta.chart = new ChartMeta.MetaInfo() {
-				name = src.meta.version,
-				author = src.meta.creator,
-				length = ctime,
-			};
+			var endbeat = tm.FractionalBeatTime;
+			endbeat.b += 4;
+			chart.endtime = endbeat;
+			meta.length = (float)tm.Time;
 			meta.note_count = group.notes.Count;
-			string chartName = string.Format("{0} - {1}", meta.song.name, meta.chart.name);
-			result.Add(new ChartResource(chartName, chart, meta));
-			if (src.meta.background != null)
-				result.Add(new CoverResource(chartName, new FileInfo(file.DirectoryName + "/" + src.meta.background)));
+			string chartName = string.Format("{0} - {1}", meta.song.name, meta.name);
+			if (src.meta.background != null) {
+				meta.cover = src.meta.background;
+			}
+			result.Add(new RawChartResource(chartName, chart, meta));
 			return result;
 		}
 
 		struct StartEventState {
-			public float Time { get; set; }
+			public double Time { get; set; }
 			public ChartEvent Destination { get; set; }
 		}
 
-		float bp(int[] beat) {
-			return beat[0] + (float)beat[1] / beat[2];
-		}
-	}
-
 #pragma warning disable IDE1006
-	public struct MalodyChart {
-		public interface IEvent {
-			int[] beat { get; set; }
-			int[] endbeat { get; set; }
-			int Priority { get; }
-		}
-		public struct EndEvent : IEvent {
-			public int[] beat { get; set; }
-			public int[] endbeat { get; set; }
-			public IEvent StartEvent { get; set; }
-			public int Priority { get { return StartEvent.Priority - 1; } }
-		}
-
-		public Meta meta;
-		public struct Meta {
-			public SongInfo song;
-			public struct SongInfo {
-				public string title;
-				public string artist;
-				public string titleorg;
-				public string artistorg;
+		struct MalodyChart {
+			public interface IEvent {
+				int[] beat { get; set; }
+				int[] endbeat { get; set; }
+				int Priority { get; }
+			}
+			public struct EndEvent : IEvent {
+				public int[] beat { get; set; }
+				public int[] endbeat { get; set; }
+				public IEvent StartEvent { get; set; }
+				public int Priority { get { return StartEvent.Priority - 1; } }
 			}
 
-			public string background;
+			public Meta meta;
+			public struct Meta {
+				public SongInfo song;
+				public struct SongInfo {
+					public string title;
+					public string artist;
+					public string titleorg;
+					public string artistorg;
+				}
 
-			public string creator;
-			public string version;
+				public string background;
 
-			public int mode;
-			public ModeExt mode_ext;
-			public struct ModeExt {
+				public string creator;
+				public string version;
+
+				public int mode;
+				public ModeExt mode_ext;
+				public struct ModeExt {
+					public int column;
+				}
+			}
+
+			public List<Time> time;
+			public struct Time : IEvent {
+				public int[] beat { get; set; }
+				public int[] endbeat { get; set; }
+				public float bpm;
+				public int Priority { get { return -2; } }
+			}
+
+			public List<Effect> effect;
+			public struct Effect : IEvent {
+				public int[] beat { get; set; }
+				public int[] endbeat { get; set; }
+				public float? scroll;
+				public int Priority { get { return 0; } }
+			}
+
+			public List<Note> note;
+			public struct Note : IEvent {
+				public int[] beat { get; set; }
+				public int[] endbeat { get; set; }
 				public int column;
+				public string sound;
+				public int offset;
+				public int type;
+				public int Priority { get { return 0; } }
 			}
 		}
-
-		public List<Time> time;
-		public struct Time : IEvent {
-			public int[] beat { get; set; }
-			public int[] endbeat { get; set; }
-			public float bpm;
-			public int Priority { get { return -2; } }
-		}
-
-		public List<Effect> effect;
-		public struct Effect : IEvent {
-			public int[] beat { get; set; }
-			public int[] endbeat { get; set; }
-			public float? scroll;
-			public int Priority { get { return 0; } }
-		}
-
-		public List<Note> note;
-		public struct Note : IEvent {
-			public int[] beat { get; set; }
-			public int[] endbeat { get; set; }
-			public int column;
-			public string sound;
-			public int offset;
-			public int type;
-			public int Priority { get { return 0; } }
-		}
-	}
 #pragma warning restore IDE1006
+	}
 }

Assets/Cryville/Crtr/Extensions/Malody/MalodyChartFinder.cs

@@ -0,0 +1,26 @@
+using Cryville.Common;
+using Cryville.Crtr.Browsing;
+using Microsoft.Win32;
+using System;
+using System.IO;
+
+namespace Cryville.Crtr.Extensions.Malody {
+	public class MalodyChartFinder : LocalResourceFinder {
+		public override string Name { get { return "Malody beatmaps"; } }
+
+		public override string GetRootPath() {
+			switch (Environment.OSVersion.Platform) {
+				case PlatformID.Unix:
+					return "/storage/emulated/0/data/malody/beatmap";
+				case PlatformID.Win32NT:
+					var reg = Registry.ClassesRoot.OpenSubKey(@"malody\Shell\Open\Command");
+					if (reg == null) return null;
+					var pathObj = reg.GetValue(null);
+					if (pathObj == null) return null;
+					var path = (string)pathObj;
+					return Path.Combine(new FileInfo(StringUtils.GetProcessPathFromCommand(path)).Directory.FullName, "beatmap");
+				default: return null;
+			}
+		}
+	}
+}

Assets/Cryville/Crtr/Extensions/Malody/MalodyChartFinder.cs.meta

@@ -0,0 +1,11 @@
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Assets/Cryville/Crtr/Extensions/Quaver.meta

@@ -1,9 +1,8 @@
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Assets/Cryville/Crtr/Extensions/Quaver/QuaverChartConverter.cs

@@ -0,0 +1,153 @@
+using Cryville.Crtr.Browsing;
+using Quaver.API.Maps;
+using Quaver.API.Maps.Structures;
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.IO;
+
+namespace Cryville.Crtr.Extensions.Quaver {
+	public class QuaverChartConverter : ResourceConverter {
+		static readonly string[] SUPPORTED_FORMATS = { ".qua" };
+		const double OFFSET = 0.05;
+
+		public override string[] GetSupportedFormats() {
+			return SUPPORTED_FORMATS;
+		}
+
+		public override IEnumerable<Resource> ConvertFrom(FileInfo file) {
+			List<Resource> result = new List<Resource>();
+			var src = Qua.Parse(file.FullName);
+			var ruleset = "quaver!" + src.Mode.ToString().ToLower();
+			var meta = new ChartMeta {
+				name = src.DifficultyName,
+				author = src.Creator,
+				song = new SongMetaInfo {
+					name = src.Title,
+					author = src.Artist,
+				},
+				ruleset = ruleset,
+				cover = src.BackgroundFile,
+				note_count = src.HitObjects.Count,
+			};
+			var chart = new Chart {
+				format = 2,
+				time = new BeatTime(-4, 0, 1),
+				ruleset = ruleset,
+				sigs = new List<Chart.Signature>(),
+				sounds = new List<Chart.Sound> {
+					new Chart.Sound { time = new BeatTime(0, 0, 1), id = src.Title, offset = (float)(src.TimingPoints[0].StartTime / 1e3 + OFFSET) }
+				},
+				motions = new List<Chart.Motion>(),
+				groups = new List<Chart.Group>(),
+			};
+			var group = new Chart.Group() {
+				tracks = new List<Chart.Track>(),
+				notes = new List<Chart.Note>(),
+				motions = new List<Chart.Motion>(),
+			};
+			chart.groups.Add(group);
+			result.Add(new RawChartResource(string.Format("{0} - {1}", meta.song.name, meta.name), chart, meta));
+			result.Add(new SongResource(meta.song.name, new FileInfo(Path.Combine(file.DirectoryName, src.AudioFile))));
+
+			var evs = new List<EventWrapper>();
+			foreach (var e in src.HitObjects) evs.Add(new EventWrapper.HitObject(e));
+			foreach (var e in src.SliderVelocities) evs.Add(new EventWrapper.SliderVelocity(e));
+			foreach (var e in src.SoundEffects) evs.Add(new EventWrapper.SoundEffect(e));
+			foreach (var e in src.TimingPoints) evs.Add(new EventWrapper.TimingPoint(e));
+			var evc = evs.Count;
+			for (int i = 0; i < evc; i++) if (evs[i].IsLong) evs.Add(new EventWrapper.EndEvent(evs[i]));
+			evs.Sort();
+
+			var longevs = new Dictionary<EventWrapper, ChartEvent>();
+			var tm = new TimeTimingModel(src.TimingPoints[0].StartTime / 1e3);
+			foreach (var ev in evs) {
+				tm.ForwardTo(ev.StartTime / 1e3);
+				if (ev is EventWrapper.HitObject) {
+					var tev = (EventWrapper.HitObject)ev;
+					var rn = new Chart.Note {
+						time = tm.FractionalBeatTime,
+						motions = new List<Chart.Motion> {
+							new Chart.Motion { motion = string.Format(CultureInfo.InvariantCulture, "track:{0}", tev.Event.Lane - 1) }
+						},
+					};
+					if (ev.IsLong) longevs.Add(ev, rn);
+					group.notes.Add(rn);
+				}
+				else if (ev is EventWrapper.SliderVelocity) {
+					var tev = (EventWrapper.SliderVelocity)ev;
+					group.motions.Add(new Chart.Motion {
+						time = tm.FractionalBeatTime,
+						motion = string.Format(CultureInfo.InvariantCulture, "svm:{0}", tev.Event.Multiplier),
+					});
+				}
+				else if (ev is EventWrapper.TimingPoint) {
+					var tev = (EventWrapper.TimingPoint)ev;
+					tm.BPM = tev.Event.Bpm;
+					chart.sigs.Add(new Chart.Signature {
+						time = tm.FractionalBeatTime,
+						tempo = tev.Event.Bpm,
+					});
+				}
+				else if (ev is EventWrapper.EndEvent) {
+					var tev = (EventWrapper.EndEvent)ev;
+					var oev = tev.Original;
+					longevs[oev].endtime = tm.FractionalBeatTime;
+				}
+				else throw new NotSupportedException("Sound effects are not supported yet");
+			}
+			var endbeat = tm.FractionalBeatTime;
+			endbeat.b += 4;
+			chart.endtime = endbeat;
+			meta.length = (float)tm.Time;
+			return result;
+		}
+
+		abstract class EventWrapper : IComparable<EventWrapper> {
+			public abstract int StartTime { get; }
+			public abstract int EndTime { get; }
+			public bool IsLong { get { return EndTime > 0; } }
+			public abstract int Priority { get; }
+			public int CompareTo(EventWrapper other) {
+				var c = StartTime.CompareTo(other.StartTime);
+				if (c != 0) return c;
+				return Priority.CompareTo(other.Priority);
+			}
+			public class HitObject : EventWrapper {
+				public HitObjectInfo Event;
+				public HitObject(HitObjectInfo ev) { Event = ev; }
+				public override int StartTime { get { return Event.StartTime; } }
+				public override int EndTime { get { return Event.EndTime; } }
+				public override int Priority { get { return 0; } }
+			}
+			public class SliderVelocity : EventWrapper {
+				public SliderVelocityInfo Event;
+				public SliderVelocity(SliderVelocityInfo ev) { Event = ev; }
+				public override int StartTime { get { return (int)Event.StartTime; } }
+				public override int EndTime { get { return 0; } }
+				public override int Priority { get { return 0; } }
+			}
+			public class SoundEffect : EventWrapper {
+				public SoundEffectInfo Event;
+				public SoundEffect(SoundEffectInfo ev) { Event = ev; }
+				public override int StartTime { get { return (int)Event.StartTime; } }
+				public override int EndTime { get { return 0; } }
+				public override int Priority { get { return 0; } }
+			}
+			public class TimingPoint : EventWrapper {
+				public TimingPointInfo Event;
+				public TimingPoint(TimingPointInfo ev) { Event = ev; }
+				public override int StartTime { get { return (int)Event.StartTime; } }
+				public override int EndTime { get { return 0; } }
+				public override int Priority { get { return -2; } }
+			}
+			public class EndEvent : EventWrapper {
+				public EventWrapper Original;
+				public EndEvent(EventWrapper ev) { if (!ev.IsLong) throw new ArgumentException("Event is not long"); Original = ev; }
+				public override int StartTime { get { return Original.EndTime; } }
+				public override int EndTime { get { return 0; } }
+				public override int Priority { get { return Original.Priority - 1; } }
+			}
+		}
+	}
+}

Assets/Cryville/Crtr/Extensions/Quaver/QuaverChartConverter.cs.meta

@@ -0,0 +1,11 @@
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+guid: b073cac7ce0d41a4f8ca589845678aa2
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Assets/Cryville/Crtr/Extensions/Quaver/QuaverChartFinder.cs

@@ -0,0 +1,24 @@
+using Cryville.Common;
+using Cryville.Crtr.Browsing;
+using Microsoft.Win32;
+using System;
+using System.IO;
+
+namespace Cryville.Crtr.Extensions.Quaver {
+	public class QuaverChartFinder : LocalResourceFinder {
+		public override string Name { get { return "Quaver beatmaps"; } }
+
+		public override string GetRootPath() {
+			switch (Environment.OSVersion.Platform) {
+				case PlatformID.Win32NT:
+					var reg = Registry.ClassesRoot.OpenSubKey(@"quaver\Shell\Open\Command");
+					if (reg == null) return null;
+					var pathObj = reg.GetValue(null);
+					if (pathObj == null) return null;
+					var path = (string)pathObj;
+					return Path.Combine(new FileInfo(StringUtils.GetProcessPathFromCommand(path)).Directory.FullName, "Songs");
+				default: return null;
+			}
+		}
+	}
+}

Assets/Cryville/Crtr/Extensions/Quaver/QuaverChartFinder.cs.meta

@@ -0,0 +1,11 @@
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Assets/Cryville/Crtr/Extensions/TimingModel.cs

@@ -0,0 +1,56 @@
+using Cryville.Common.Math;
+using System;
+
+namespace Cryville.Crtr.Extensions {
+	public abstract class TimingModel {
+		public double Time { get; protected set; }
+		public double BeatTime { get; protected set; }
+		public BeatTime FractionalBeatTime { get; protected set; }
+		double m_bpm;
+		public double BPM { get { return m_bpm; } set { m_bpm = value; } }
+		public double BeatLength { get { return 60 / m_bpm; } set { m_bpm = 60 / value; } }
+		public TimingModel(double offset) {
+			Time = offset;
+			FractionalBeatTime = new BeatTime(0, 0, 1);
+		}
+	}
+	public class FractionalBeatTimeTimingModel : TimingModel {
+		public FractionalBeatTimeTimingModel(double offset = 0) : base(offset) { }
+		public void ForwardTo(BeatTime t) {
+			if (t == FractionalBeatTime) return;
+			if (BPM == 0) throw new InvalidOperationException("BPM not determined");
+			FractionalBeatTime = t;
+			var nt = t.Decimal;
+			Time += (nt - BeatTime) / BPM * 60;
+			BeatTime = nt;
+		}
+	}
+	public class BeatTimeTimingModel : TimingModel {
+		public BeatTimeTimingModel(double offset = 0) : base(offset) { }
+		public void ForwardTo(double t) {
+			if (t == BeatTime) return;
+			if (BPM == 0) throw new InvalidOperationException("BPM not determined");
+			Time += (t - BeatTime) / BPM * 60;
+			BeatTime = t;
+			FractionalBeatTime = ToBeatTime(t);
+		}
+		static BeatTime ToBeatTime(double beat, double error = 1e-4) {
+			int i, n, d;
+			FractionUtils.ToFraction(beat, error, out n, out d);
+			i = n / d; n %= d;
+			return new BeatTime(i, n, d);
+		}
+	}
+	public class TimeTimingModel : TimingModel {
+		public TimeTimingModel(double offset = 0) : base(offset) { }
+		public void ForwardTo(double t) {
+			if (t == Time) return;
+			if (BPM == 0) throw new InvalidOperationException("BPM not determined");
+			BeatTime += (t - Time) * BPM / 60;
+			int n, d;
+			FractionUtils.ToFraction(BeatTime, 1f / 48 / BPM * 60, out n, out d);
+			FractionalBeatTime = new BeatTime(n, d);
+			Time = t;
+		}
+	}
+}

Assets/Cryville/Crtr/Extensions/TimingModel.cs.meta

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Assets/Cryville/Crtr/Extensions/osu.meta

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Assets/Cryville/Crtr/Extensions/osu/osuChartConverter.cs

@@ -0,0 +1,383 @@
+using Cryville.Crtr.Browsing;
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.IO;
+using System.Text;
+
+namespace Cryville.Crtr.Extensions.osu {
+#pragma warning disable IDE1006
+	public class osuChartConverter : ResourceConverter {
+#pragma warning restore IDE1006
+		static readonly string[] SUPPORTED_FORMATS = { ".osu" };
+		const double OFFSET = 0.07;
+
+		public override string[] GetSupportedFormats() {
+			return SUPPORTED_FORMATS;
+		}
+
+		public override IEnumerable<Resource> ConvertFrom(FileInfo file) {
+			List<Resource> result = new List<Resource>();
+			var meta = new ChartMeta { song = new SongMetaInfo() };
+			var group = new Chart.Group() {
+				tracks = new List<Chart.Track>(),
+				notes = new List<Chart.Note>(),
+				motions = new List<Chart.Motion>(),
+			};
+			var chart = new Chart {
+				format = 2,
+				time = new BeatTime(-4, 0, 1),
+				sigs = new List<Chart.Signature>(),
+				sounds = new List<Chart.Sound>(),
+				motions = new List<Chart.Motion>(),
+				groups = new List<Chart.Group> { group },
+			};
+			var diff = new DifficultyInfo();
+			var evs = new List<osuEvent>();
+
+			bool ftc = false;
+			using (var reader = new StreamReader(file.FullName, Encoding.UTF8)) {
+				Section section = Section.General;
+				int version;
+				bool flag = false;
+				string line;
+				while ((line = reader.ReadLine()) != null) {
+					if (!flag) {
+						if (line.StartsWith("osu file format v")) {
+							version = int.Parse(line.Substring(17), CultureInfo.InvariantCulture);
+							if (version > 14) throw new NotSupportedException("osu! chart format version too high");
+							else if (version < 5) throw new NotImplementedException("osu! chart format version too low"); // TODO apply offset
+						}
+						else throw new NotSupportedException("Unrecognized osu! chart format");
+						flag = true;
+					}
+					if (ShouldSkipLine(line)) continue;
+					if (section != Section.Metadata) line = StripComments(line);
+					line = line.TrimEnd();
+					if (line.StartsWith('[') && line.EndsWith(']')) {
+						Enum.TryParse(line.Substring(1, line.Length - 2), out section);
+						continue;
+					}
+					ParseLine(meta, chart, diff, evs, ref ftc, section, line);
+				}
+			}
+			if (meta.ruleset == "osu!mania") {
+				chart.ruleset = meta.ruleset += "." + diff.CircleSize.ToString(CultureInfo.InvariantCulture) + "k";
+			}
+
+			if (!ftc) throw new InvalidOperationException("Unconvertible chart: no timing point is present in this beatmap");
+			result.Add(new RawChartResource(string.Format("{0} - {1}", meta.song.name, meta.name), chart, meta));
+			var evc = evs.Count;
+			for (int i = 0; i < evc; i++) if (evs[i].IsLong) evs.Add(new osuEvent.EndEvent(evs[i]));
+			evs.Sort();
+
+			var longevs = new Dictionary<osuEvent, ChartEvent>();
+			Chart.Sound bgmEv = null;
+			TimeTimingModel tm = null;
+			foreach (var ev in evs) {
+				if (tm != null) tm.ForwardTo(ev.StartTime / 1e3);
+				if (ev is osuEvent.Audio) {
+					var tev = (osuEvent.Audio)ev;
+					chart.sounds.Add(bgmEv = new Chart.Sound { time = new BeatTime(0, 0, 1), id = meta.song.name });
+					result.Add(new SongResource(meta.song.name, new FileInfo(Path.Combine(file.DirectoryName, tev.AudioFile))));
+				}
+				else if (ev is osuEvent.Background) {
+					meta.cover = ((osuEvent.Background)ev).FileName;
+				}
+				else if (ev is osuEvent.EffectPoint) {
+					var tev = (osuEvent.EffectPoint)ev;
+					group.motions.Add(new Chart.Motion { time = tm.FractionalBeatTime, motion = string.Format(CultureInfo.InvariantCulture, "svm:{0}", tev.ScrollSpeed) });
+				}
+				else if (ev is osuEvent.EndEvent) {
+					if (tm == null) throw new InvalidOperationException("Unconvertible chart: timed event before first timing point");
+					var tev = (osuEvent.EndEvent)ev;
+					longevs[tev.Original].endtime = tm.FractionalBeatTime;
+				}
+				else if (ev is osuEvent.HOMania) {
+					if (tm == null) throw new InvalidOperationException("Unconvertible chart: timed event before first timing point");
+					var tev = (osuEvent.HOMania)ev;
+					var rn = new Chart.Note {
+						time = tm.FractionalBeatTime,
+						motions = new List<Chart.Motion> {
+							new Chart.Motion{ motion = string.Format(CultureInfo.InvariantCulture, "track:{0}", (int)(tev.X * diff.CircleSize / 512)) }
+						},
+					};
+					group.notes.Add(rn);
+					if (tev.IsLong) longevs.Add(tev, rn);
+				}
+				else if (ev is osuEvent.TimingChange) {
+					var tev = (osuEvent.TimingChange)ev;
+					if (tm == null) {
+						tm = new TimeTimingModel(tev.StartTime / 1e3);
+						bgmEv.offset = (float)(tev.StartTime / 1e3 + OFFSET);
+					}
+					tm.BeatLength = tev.BeatLength / 1e3;
+					chart.sigs.Add(new Chart.Signature {
+						time = tm.FractionalBeatTime,
+						tempo = (float)tm.BPM,
+					});
+				}
+				else throw new NotSupportedException("Unsupported event detected");
+			}
+			var endbeat = tm.FractionalBeatTime;
+			endbeat.b += 4;
+			chart.endtime = endbeat;
+			meta.length = (float)tm.Time;
+			meta.note_count = group.notes.Count;
+			return result;
+		}
+
+		void ParseLine(ChartMeta meta, Chart chart, DifficultyInfo diff, List<osuEvent> evs, ref bool ftc, Section section, string line) {
+			switch (section) {
+				case Section.General: HandleGeneral(meta, chart, evs, line); return;
+				case Section.Metadata: HandleMetadata(meta, line); return;
+				case Section.Difficulty: HandleDifficulty(diff, line); return;
+				case Section.Events: HandleEvent(evs, line); return;
+				case Section.TimingPoints: HandleTimingPoint(chart, evs, ref ftc, line); return;
+				case Section.HitObjects: HandleHitObject(evs, line); return;
+			}
+		}
+
+		void HandleGeneral(ChartMeta meta, Chart chart, List<osuEvent> evs, string line) {
+			var pair = SplitKeyVal(line);
+			switch (pair.Key) {
+				case @"AudioFilename":
+					evs.Add(new osuEvent.Audio { StartTime = double.NegativeInfinity, AudioFile = pair.Value });
+					break;
+				case @"Mode":
+					int rulesetID = int.Parse(pair.Value, CultureInfo.InvariantCulture);
+					var ruleset = "osu!";
+					switch (rulesetID) {
+						case 0: /*ruleset += "standard";*/ throw new NotImplementedException("osu!standard mode is not supported yet");
+						case 1: /*ruleset += "taiko";*/ throw new NotImplementedException("osu!taiko mode is not supported yet");
+						case 2: /*ruleset += "catch";*/ throw new NotImplementedException("osu!catch mode is not supported yet");
+						case 3: ruleset += "mania"; break;
+					}
+					meta.ruleset = chart.ruleset = ruleset;
+					break;
+			}
+		}
+
+		void HandleMetadata(ChartMeta meta, string line) {
+			var pair = SplitKeyVal(line);
+			switch (pair.Key) {
+				case @"Title": if (meta.song.name == null) meta.song.name = pair.Value; break;
+				case @"TitleUnicode": meta.song.name = pair.Value; break;
+				case @"Artist": if (meta.song.author == null) meta.song.author = pair.Value; break;
+				case @"ArtistUnicode": meta.song.author = pair.Value; break;
+				case @"Creator": meta.author = pair.Value; break;
+				case @"Version": meta.name = pair.Value; break;
+			}
+		}
+
+		void HandleDifficulty(DifficultyInfo diff, string line) {
+			var pair = SplitKeyVal(line);
+			switch (pair.Key) {
+				case @"CircleSize":
+					diff.CircleSize = float.Parse(pair.Value, CultureInfo.InvariantCulture);
+					break;
+				case @"SliderMultiplier":
+					diff.SliderMultiplier = double.Parse(pair.Value, CultureInfo.InvariantCulture);
+					break;
+			}
+		}
+
+		void HandleEvent(List<osuEvent> evs, string line) {
+			string[] split = line.Split(',');
+			if (!Enum.TryParse(split[0], out LegacyEventType type))
+				throw new InvalidDataException($@"Unknown event type: {split[0]}");
+			switch (type) {
+				case LegacyEventType.Sprite:
+					if (evs.Count == 0 || !(evs[evs.Count - 1] is osuEvent.Background))
+						evs.Add(new osuEvent.Background { StartTime = double.NegativeInfinity, FileName = CleanFilename(split[3]) });
+					break;
+				case LegacyEventType.Background:
+					evs.Add(new osuEvent.Background { StartTime = double.NegativeInfinity, FileName = CleanFilename(split[2]) });
+					break;
+			}
+		}
+		enum LegacyEventType {
+			Background = 0,
+			Video = 1,
+			Break = 2,
+			Colour = 3,
+			Sprite = 4,
+			Sample = 5,
+			Animation = 6
+		}
+
+		void HandleTimingPoint(Chart chart, List<osuEvent> evs, ref bool ftc, string line) {
+			string[] split = line.Split(',');
+
+			double time = double.Parse(split[0].Trim(), CultureInfo.InvariantCulture)/* + offset*/;
+
+			// beatLength is allowed to be NaN to handle an edge case in which some beatmaps use NaN slider velocity to disable slider tick generation (see LegacyDifficultyControlPoint).
+			double beatLength = double.Parse(split[1].Trim(), CultureInfo.InvariantCulture);
+
+			// If beatLength is NaN, speedMultiplier should still be 1 because all comparisons against NaN are false.
+			double speedMultiplier = beatLength < 0 ? 100.0 / -beatLength : 1;
+
+			int timeSignature = 4;
+			if (split.Length >= 3)
+				timeSignature = split[2][0] == '0' ? 4 : int.Parse(split[2], CultureInfo.InvariantCulture);
+
+			bool timingChange = true;
+			if (split.Length >= 7)
+				timingChange = split[6][0] == '1';
+
+			//bool omitFirstBarSignature = false;
+
+			//if (split.Length >= 8) {
+			//	int effectFlags = int.Parse(split[7], CultureInfo.InvariantCulture);
+			//	omitFirstBarSignature = (effectFlags & 0x8) != 0;
+			//}
+
+			if (timingChange) {
+				if (double.IsNaN(beatLength))
+					throw new InvalidDataException("Beat length cannot be NaN in a timing control point");
+				var ev = new osuEvent.TimingChange { StartTime = time, BeatLength = beatLength, TimeSignature = timeSignature };
+				if (!ftc) {
+					ftc = true;
+					ev.StartTime = time % beatLength - beatLength;
+				}
+				evs.Add(ev);
+			}
+
+			// osu!taiko and osu!mania use effect points rather than difficulty points for scroll speed adjustments.
+			if (chart.ruleset == "osu!taiko" || chart.ruleset == "osu!mania")
+				evs.Add(new osuEvent.EffectPoint { StartTime = time, ScrollSpeed = speedMultiplier });
+		}
+
+		void HandleHitObject(List<osuEvent> evs, string line) {
+			string[] split = line.Split(',');
+
+			int posx = (int)float.Parse(split[0], CultureInfo.InvariantCulture);
+			// int posy = (int)float.Parse(split[1], CultureInfo.InvariantCulture);
+
+			double startTime = double.Parse(split[2], CultureInfo.InvariantCulture)/* + Offset*/;
+
+			LegacyHitObjectType type = (LegacyHitObjectType)int.Parse(split[3], CultureInfo.InvariantCulture);
+
+			// int comboOffset = (int)(type & LegacyHitObjectType.ComboOffset) >> 4;
+			type &= ~LegacyHitObjectType.ComboOffset;
+
+			// bool combo = type.HasFlag(LegacyHitObjectType.NewCombo);
+			type &= ~LegacyHitObjectType.NewCombo;
+
+			osuEvent.HitObject result;
+
+			if (type.HasFlag(LegacyHitObjectType.Circle)) {
+				result = new osuEvent.HOManiaHit { X = posx };
+			}
+			else if (type.HasFlag(LegacyHitObjectType.Hold)) {
+				double endTime = Math.Max(startTime, double.Parse(split[2], CultureInfo.InvariantCulture));
+				if (split.Length > 5 && !string.IsNullOrEmpty(split[5])) {
+					string[] ss = split[5].Split(':');
+					endTime = Math.Max(startTime, double.Parse(ss[0], CultureInfo.InvariantCulture));
+				}
+				result = new osuEvent.HOManiaHold { X = posx, EndTime = endTime };
+			}
+			else throw new NotSupportedException(string.Format("Hit objects of type {0} is not supported yet", type));
+
+			if (result == null) throw new InvalidDataException($"Unknown hit object type: {split[3]}");
+
+			result.StartTime = startTime;
+
+			if (result != null) evs.Add(result);
+		}
+		[Flags]
+		enum LegacyHitObjectType {
+			Circle = 1,
+			Slider = 1 << 1,
+			NewCombo = 1 << 2,
+			Spinner = 1 << 3,
+			ComboOffset = (1 << 4) | (1 << 5) | (1 << 6),
+			Hold = 1 << 7
+		}
+
+		static bool ShouldSkipLine(string line) => string.IsNullOrWhiteSpace(line) || line.TrimStart().StartsWith("//", StringComparison.Ordinal)
+			|| line.StartsWith(' ') || line.StartsWith('_');
+		protected string StripComments(string line) {
+			int index = line.IndexOf("//");
+			if (index > 0) return line.Substring(0, index);
+			return line;
+		}
+		KeyValuePair<string, string> SplitKeyVal(string line, char separator = ':', bool shouldTrim = true) {
+			string[] split = line.Split(separator, 2);
+			if (shouldTrim) {
+				for (int i = 0; i < split.Length; i++)
+					split[i] = split[i].Trim();
+			}
+			return new KeyValuePair<string, string> (
+				split[0],
+				split.Length > 1 ? split[1] : string.Empty
+			);
+		}
+		static string CleanFilename(string path) => path.Replace(@"\\", @"\").Trim('"');
+
+		enum Section {
+			General,
+			Editor,
+			Metadata,
+			Difficulty,
+			Events,
+			TimingPoints,
+			Colours,
+			HitObjects,
+			Variables,
+			Fonts,
+			CatchTheBeat,
+			Mania,
+		}
+
+		class DifficultyInfo {
+			public float CircleSize { get; internal set; }
+			public double SliderMultiplier { get; set; }
+		}
+#pragma warning disable IDE1006 // Naming Styles
+		abstract class osuEvent : IComparable<osuEvent> {
+			public virtual double StartTime { get; set; }
+			public virtual double EndTime { get; set; }
+			public bool IsLong { get { return EndTime - StartTime > 0 && EndTime > 0; } }
+			public abstract int Priority { get; }
+			public int CompareTo(osuEvent other) {
+				var c = StartTime.CompareTo(other.StartTime);
+				if (c != 0) return c;
+				return Priority.CompareTo(other.Priority);
+			}
+			public class EndEvent : osuEvent {
+				public osuEvent Original;
+				public EndEvent(osuEvent ev) { if (!ev.IsLong) throw new ArgumentException("Event is not long"); Original = ev; }
+				public override double StartTime { get { return Original.EndTime; } }
+				public override double EndTime { get { return 0; } }
+				public override int Priority { get { return Original.Priority - 1; } }
+			}
+			public class Audio : osuEvent {
+				public string AudioFile { get; set; }
+				public override int Priority { get { return 0; } }
+			}
+			public class TimingChange : osuEvent {
+				public double BeatLength { get; set; }
+				public int TimeSignature { get; set; }
+				public override int Priority { get { return -4; } }
+			}
+			public class EffectPoint : osuEvent {
+				public double ScrollSpeed { get; set; }
+				public override int Priority { get { return -2; } }
+			}
+			public class Background : osuEvent {
+				public string FileName { get; set; }
+				public override int Priority { get { return 0; } }
+			}
+			public class HitObject : osuEvent {
+				public sealed override int Priority { get { return 0; } }
+			}
+			public class HOMania : HitObject {
+				public float X { get; set; }
+			}
+			public class HOManiaHit : HOMania { }
+			public class HOManiaHold : HOMania { }
+		}
+#pragma warning restore IDE1006 // Naming Styles
+	}
+}

Assets/Cryville/Crtr/Extensions/osu/osuChartConverter.cs.meta

@@ -0,0 +1,11 @@
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+guid: 82838dd8639c2244caf3c830edfbc59c
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Cryville/Crtr/Extensions/osu/osuChartFinder.cs

@@ -0,0 +1,24 @@
+using Cryville.Common;
+using Cryville.Crtr.Browsing;
+using Microsoft.Win32;
+using System;
+using System.IO;
+
+namespace Cryville.Crtr.Extensions.osu {
+	public class osuChartFinder : LocalResourceFinder {
+		public override string Name { get { return "osu! beatmaps"; } }
+
+		public override string GetRootPath() {
+			switch (Environment.OSVersion.Platform) {
+				case PlatformID.Win32NT:
+					var reg = Registry.ClassesRoot.OpenSubKey(@"osu!\Shell\Open\Command");
+					if (reg == null) return null;
+					var pathObj = reg.GetValue(null);
+					if (pathObj == null) return null;
+					var path = (string)pathObj;
+					return Path.Combine(new FileInfo(StringUtils.GetProcessPathFromCommand(path)).Directory.FullName, "Songs");
+				default: return null;
+			}
+		}
+	}
+}

Assets/Cryville/Crtr/Extensions/osu/osuChartFinder.cs.meta

@@ -0,0 +1,11 @@
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+guid: 365d879536c05284fa2335a7676c6cf4
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
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+  assetBundleVariant: 

Assets/Cryville/Crtr/Game.cs

@@ -76,14 +76,30 @@ namespace Cryville.Crtr {
 #if UNITY_ANDROID
 			Cryville.Audio.OpenSL.OutputClient.CallbackFunction = audioCallback;
 #endif
-			AudioManager = EngineBuilder.Create();
-			Logger.Log("main", 1, "Audio", "Using audio API: {0}", AudioManager.GetType().Namespace);
-			AudioClient = AudioManager.GetDefaultDevice(DataFlow.Out).Connect();
-			AudioClient.Init(AudioClient.DefaultFormat);
-			AudioClient.Source = AudioSequencer = new SimpleSequencerSource();
-			AudioSession = AudioSequencer.NewSession();
-			AudioSequencer.Playing = true;
-			AudioClient.Start();
+			while (true) {
+				try {
+					AudioManager = EngineBuilder.Create();
+					if (AudioManager == null) {
+						Popup.Create("Cannot initialize audio engine");
+						Logger.Log("main", 5, "Audio", "Cannot initialize audio engine");
+					}
+					else {
+						Logger.Log("main", 1, "Audio", "Using audio API: {0}", AudioManager.GetType().Namespace);
+						AudioClient = AudioManager.GetDefaultDevice(DataFlow.Out).Connect();
+						AudioClient.Init(AudioClient.DefaultFormat);
+						AudioClient.Source = AudioSequencer = new SimpleSequencerSource();
+						AudioSession = AudioSequencer.NewSession();
+						AudioSequencer.Playing = true;
+						AudioClient.Start();
+					}
+					break;
+				}
+				catch (Exception ex) {
+					Logger.Log("main", 4, "Audio", "An error occured when initializing the audio engine: {0}", ex);
+					Logger.Log("main", 3, "Audio", "Trying to use fallback audio engines");
+					EngineBuilder.Engines.Remove(AudioManager.GetType());
+				}
+			}
 
 			ChartPlayer.motionRegistry = new Dictionary<Identifier, MotionRegistry> {
 				{ "pt"     , new MotionRegistry(typeof(VecPt)) },

Assets/Cryville/Crtr/GenericResources.cs

@@ -19,6 +19,7 @@ namespace Cryville.Crtr {
 		public static void LoadDefault() {
 			if (loaded) return;
 			Components.Add("image", typeof(SpritePlane));
+			Components.Add("mesh", typeof(MeshBase));
 			Components.Add("polysec", typeof(PolygonSGO));
 			Components.Add("rect", typeof(SpriteRect));
 			Components.Add("scale3", typeof(SpriteScale3));
@@ -29,8 +30,7 @@ namespace Cryville.Crtr {
 			Meshes.Add("quad_scale3h", Resources.Load<Mesh>("quad_scale3h"));
 			Meshes.Add("quad_scale9", Resources.Load<Mesh>("quad_scale9"));
 
-			Materials.Add("-CutoutMat", Resources.Load<Material>("CutoutMat"));
-			Materials.Add("-TransparentMat", Resources.Load<Material>("TransparentMat"));
+			Materials.Add("-SpriteMat", Resources.Load<Material>("SpriteMat"));
 
 			loaded = true;
 		}

Assets/Cryville/Crtr/GroupHandler.cs

@@ -1,16 +1,15 @@
 using Cryville.Common.Math;
 using Cryville.Crtr.Event;
 using System;
-using System.Collections.Generic;
 using System.Linq;
 using UnityEngine;
 
 namespace Cryville.Crtr {
-	class GroupHandler : ContainerHandler {
+	public class GroupHandler : ContainerHandler {
 		public ChartHandler ch;
 
 		SquareMatrix matFrame;
-		List<ContainerState> tracks;
+		ContainerState[] tracks;
 
 		public GroupHandler(Chart.Group tg, ChartHandler ch) : base() {
 			this.ch = ch;
@@ -28,20 +27,22 @@ namespace Cryville.Crtr {
 				from c in cs.Children
 				where c.Value.Container is Chart.Track
 				select c.Value
-			).ToList();
-			matFrame = SquareMatrix.WithPolynomialCoefficients(tracks.Count);
+			).ToArray();
+			matFrame = SquareMatrix.WithPolynomialCoefficients(tracks.Length);
+			frame = new ColumnVector<Vector3>(tracks.Length);
 		}
 
+		ColumnVector<Vector3> frame;
 		public ColumnVector<Vector3> GetCurrentFrame(Func<ContainerState, Vector3> func) {
-			var vl = from t in tracks select func(t);
-			return matFrame.Eliminate(
-				new ColumnVector<Vector3>(vl.ToArray()),
-				new Vector3Operator()
-			);
+			for (int i = 0; i < tracks.Length; i++)
+				frame[i] = func(tracks[i]);
+			return matFrame.Eliminate(frame, Vector3Operator.Instance);
 		}
 	}
 
 	class Vector3Operator : IVectorOperator<Vector3> {
+		public static Vector3Operator Instance = new Vector3Operator();
+
 		public Vector3 Add(Vector3 lhs, Vector3 rhs) {
 			return lhs + rhs;
 		}

Assets/Cryville/Crtr/InputProxy.cs

@@ -1,13 +1,13 @@
 using Cryville.Common;
 using Cryville.Common.Pdt;
 using Cryville.Common.Unity.Input;
+using Cryville.Crtr.Config;
 using System;
 using System.Collections.Generic;
 using UnityEngine;
-using Logger = Cryville.Common.Logger;
 
 namespace Cryville.Crtr {
-	public class InputProxy {
+	public class InputProxy : IDisposable {
 		readonly PdtEvaluator _etor;
 		readonly PdtRuleset _ruleset;
 		readonly Judge _judge;
@@ -17,6 +17,7 @@ namespace Cryville.Crtr {
 					*(int*)(ptr + 3 * sizeof(float)) = PdtInternalType.Number;
 				}
 			}
+			_vecsrc = new PropSrc.Arbitrary(PdtInternalType.Vector, _vecbuf);
 			_etor = ChartPlayer.etor;
 			_ruleset = ruleset;
 			_judge = judge;
@@ -37,31 +38,61 @@ namespace Cryville.Crtr {
 		readonly Dictionary<string, int> _use = new Dictionary<string, int>();
 		readonly Dictionary<string, List<string>> _rev = new Dictionary<string, List<string>>();
 		public event EventHandler<ProxyChangedEventArgs> ProxyChanged;
+		public void LoadFrom(Dictionary<string, RulesetConfig.InputEntry> config) {
+			foreach (var cfg in config) {
+				Set(new InputProxyEntry {
+					Target = cfg.Key,
+					Source = new InputSource {
+						Handler = Game.InputManager.GetHandler(cfg.Value.handler),
+						Type = cfg.Value.type
+					}
+				});
+			}
+		}
+		public void SaveTo(Dictionary<string, RulesetConfig.InputEntry> config) {
+			config.Clear();
+			foreach (var p in _tproxies) {
+				config.Add(p.Key, new RulesetConfig.InputEntry {
+					handler = ReflectionHelper.GetNamespaceQualifiedName(p.Value.Source.Value.Handler.GetType()),
+					type = p.Value.Source.Value.Type
+				});
+			}
+		}
 		public void Set(InputProxyEntry proxy) {
-			var name = proxy.Target;
-			if (_tproxies.ContainsKey(name)) Remove(proxy);
-			if (_use[proxy.Target] > 0)
+			var target = proxy.Target;
+			if (!_ruleset.inputs.ContainsKey(target)) throw new ArgumentException("Invalid input name");
+			if (_tproxies.ContainsKey(target)) Remove(proxy);
+			if (_use[target] > 0)
 				throw new InvalidOperationException("Input already assigned");
 			if (proxy.Source != null) {
-				proxy.Source.Value.Handler.OnInput -= OnInput; // Prevent duplicated hooks, no exception will be thrown
-				proxy.Source.Value.Handler.OnInput += OnInput;
-				_tproxies.Add(proxy.Target, proxy);
+				if (_judge != null) {
+					proxy.Source.Value.Handler.OnInput -= OnInput; // Prevent duplicated hooks, no exception will be thrown
+					proxy.Source.Value.Handler.OnInput += OnInput;
+				}
+				_tproxies.Add(target, proxy);
 				_sproxies.Add(proxy.Source.Value, proxy);
-				IncrementUseRecursive(name);
-				IncrementReversedUseRecursive(name);
+				IncrementUseRecursive(target);
+				IncrementReversedUseRecursive(target);
 			}
 		}
 		void Remove(InputProxyEntry proxy) {
-			var name = proxy.Target;
-			proxy.Source.Value.Handler.OnInput -= OnInput;
-			_sproxies.Remove(_tproxies[name].Source.Value);
-			_tproxies.Remove(name);
-			DecrementUseRecursive(name);
-			DecrementReversedUseRecursive(name);
+			var target = proxy.Target;
+			if (_judge != null) _tproxies[target].Source.Value.Handler.OnInput -= OnInput;
+			_sproxies.Remove(_tproxies[target].Source.Value);
+			_tproxies.Remove(target);
+			DecrementUseRecursive(target);
+			DecrementReversedUseRecursive(target);
 		}
 		public bool IsUsed(InputSource src) {
 			return _sproxies.ContainsKey(src);
 		}
+		public bool IsCompleted {
+			get {
+				foreach (var i in _use)
+					if (i.Value == 0 && !_tproxies.ContainsKey(i.Key)) return false;
+				return true;
+			}
+		}
 		void IncrementUseRecursive(string name) {
 			BroadcastProxyChanged(name);
 			var passes = _ruleset.inputs[name].pass;
@@ -98,7 +129,12 @@ namespace Cryville.Crtr {
 		}
 		void BroadcastProxyChanged(string name) {
 			var del = ProxyChanged;
-			if (del != null) del(this, new ProxyChangedEventArgs(name, _tproxies.ContainsKey(name) ? _tproxies[name].Source : null, _use[name] > 0));
+			if (del != null) del(this, this[name]);
+		}
+		public ProxyChangedEventArgs this[string name] {
+			get {
+				return new ProxyChangedEventArgs(name, _tproxies.ContainsKey(name) ? _tproxies[name].Source : null, _use[name] > 0);
+			}
 		}
 		#endregion
 
@@ -113,15 +149,32 @@ namespace Cryville.Crtr {
 		}
 		public void Deactivate() { foreach (var src in _sproxies.Keys) src.Handler.Deactivate(); }
 
+		~InputProxy() {
+			Dispose(false);
+			GC.SuppressFinalize(this);
+		}
+		public void Dispose() {
+			Dispose(true);
+		}
+		protected void Dispose(bool disposing) {
+			if (disposing) {
+				Deactivate();
+				foreach (var proxy in _tproxies.Values) {
+					proxy.Source.Value.Handler.OnInput -= OnInput;
+				}
+			}
+		}
+
 		readonly object _lock = new object();
 		static readonly int _var_value = IdentifierManager.SharedInstance.Request("value");
 		static readonly PropOp.Arbitrary _arbop = new PropOp.Arbitrary();
 		readonly byte[] _vecbuf = new byte[3 * sizeof(float) + sizeof(int)];
+		readonly PropSrc.Arbitrary _vecsrc;
 		readonly Dictionary<InputHandler, double> _timeOrigins = new Dictionary<InputHandler, double>();
 		readonly Dictionary<InputSource, int> _activeCounts = new Dictionary<InputSource, int>();
 		readonly Dictionary<InputIdentifier, float> _vect = new Dictionary<InputIdentifier, float>();
 		readonly Dictionary<ProxiedInputIdentifier, PropSrc.Arbitrary> _vecs = new Dictionary<ProxiedInputIdentifier, PropSrc.Arbitrary>();
-		static readonly byte[] _nullvalue = new byte[0];
+		static readonly PropSrc.Arbitrary _nullsrc = new PropSrc.Arbitrary(PdtInternalType.Null, new byte[0]);
 		unsafe void OnInput(InputIdentifier id, InputVector vec) {
 			lock (_lock) {
 				InputProxyEntry proxy;
@@ -130,15 +183,17 @@ namespace Cryville.Crtr {
 					float ft, tt = (float)(vec.Time - _timeOrigins[id.Source.Handler]);
 					if (!_vect.TryGetValue(id, out ft)) ft = tt;
 					if (vec.IsNull) {
-						_etor.ContextCascadeUpdate(_var_value, new PropSrc.Arbitrary(PdtInternalType.Null, _nullvalue));
+						_etor.ContextCascadeUpdate(_var_value, _nullsrc);
+						OnInput(id, proxy.Target, ft, tt, true);
 					}
 					else {
 						fixed (byte* ptr = _vecbuf) {
 							*(Vector3*)ptr = vec.Vector;
 						}
-						_etor.ContextCascadeUpdate(_var_value, new PropSrc.Arbitrary(PdtInternalType.Vector, _vecbuf));
+						_vecsrc.Invalidate();
+						_etor.ContextCascadeUpdate(_var_value, _vecsrc);
+						OnInput(id, proxy.Target, ft, tt, false);
 					}
-					OnInput(id, proxy.Target, ft, tt);
 					_vect[id] = tt;
 					_etor.ContextCascadeDiscard();
 				}
@@ -146,21 +201,21 @@ namespace Cryville.Crtr {
 		}
 		static readonly int _var_fv = IdentifierManager.SharedInstance.Request("fv");
 		static readonly int _var_tv = IdentifierManager.SharedInstance.Request("tv");
-		unsafe void OnInput(InputIdentifier id, Identifier target, float ft, float tt) {
+		unsafe void OnInput(InputIdentifier id, Identifier target, float ft, float tt, bool nullflag) {
 			var def = _ruleset.inputs[target];
 			if (def.pass != null) {
 				foreach (var p in def.pass) {
 					_etor.ContextCascadeInsert();
 					_arbop.Name = _var_value;
-					_etor.Evaluate(_arbop, p.Value);
-					OnInput(id, p.Key, ft, tt);
+					if (!nullflag) _etor.Evaluate(_arbop, p.Value);
+					OnInput(id, p.Key, ft, tt, nullflag);
 					_etor.ContextCascadeDiscard();
 				}
 			}
 			else {
 				var pid = new ProxiedInputIdentifier { Source = id, Target = target };
 				PropSrc.Arbitrary fv, tv = _etor.ContextCascadeLookup(_var_value);
-				if (!_vecs.TryGetValue(pid, out fv)) fv = new PropSrc.Arbitrary(PdtInternalType.Null, _nullvalue);
+				if (!_vecs.TryGetValue(pid, out fv)) fv = _nullsrc;
 				if (fv.Type != PdtInternalType.Null || tv.Type != PdtInternalType.Null) {
 					if (fv.Type == PdtInternalType.Null) _activeCounts[id.Source]++;
 					_etor.ContextCascadeInsert();
@@ -170,15 +225,14 @@ namespace Cryville.Crtr {
 					_etor.ContextCascadeDiscard();
 					if (tv.Type == PdtInternalType.Null) _activeCounts[id.Source]--;
 				}
-				_judge.Cleanup(target, ft, tt);
+				_judge.Cleanup(target, tt);
 				_vecs[pid] = tv;
 			}
 		}
 		public void SyncTime(double time) {
 			foreach (var s in _sproxies.Keys) {
 				var h = s.Handler;
-				if (!_timeOrigins.ContainsKey(h)) 
-					_timeOrigins.Add(h, h.GetCurrentTimestamp() - time);
+				_timeOrigins[h] = h.GetCurrentTimestamp() - time;
 			}
 		}
 		public void ForceTick() {