Fix dynamic judge anchors not updated if note is not working.

.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/PdtEvaluatorBase.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Runtime.Serialization;
 
 namespace Cryville.Common.Pdt {
 	/// <summary>
@@ -104,7 +105,7 @@ namespace Cryville.Common.Pdt {
 				else if (i is PdtInstruction.PushVariable) {
 					i.Execute(this);
 					var frame = _stack[_framecount - 1];
-					if (frame.Type != PdtInternalType.Undefined) {
+					if (frame.Type != PdtInternalType.Undefined && frame.Type != PdtInternalType.Error) {
 						_rip = il.AddAfter(_rip, new PdtInstruction.PushConstant(frame.Type, _mem, frame.Offset, frame.Length));
 						il.Remove(_rip.Previous);
 					}
@@ -147,10 +148,10 @@ namespace Cryville.Common.Pdt {
 				_goffset += value.Length;
 			}
 		}
-		internal unsafe void PushVariable(int name) {
+		internal unsafe void PushVariable(int name, bool forced) {
 			fixed (StackFrame* frame = &_stack[_framecount++]) {
 				byte[] value;
-				GetVariable(name, out frame->Type, out value);
+				GetVariable(name, forced, out frame->Type, out value);
 				frame->Offset = _goffset;
 				frame->Length = value.Length;
 				Array.Copy(value, 0, _mem, _goffset, value.Length);
@@ -161,16 +162,17 @@ namespace Cryville.Common.Pdt {
 		/// Gets a variable of the specified name.
 		/// </summary>
 		/// <param name="name">The name of the variable.</param>
+		/// <param name="forced">Whether to produce an error stack instead of an identifier stack if the variable is not found.</param>
 		/// <param name="type">The type of the variable.</param>
 		/// <param name="value">The value of the variable.</param>
-		protected abstract void GetVariable(int name, out int type, out byte[] value);
+		protected abstract void GetVariable(int name, bool forced, out int type, out byte[] value);
 		internal void Operate(PdtOperatorSignature sig) {
 			PdtOperator op;
 			try { op = GetOperator(sig); }
-			catch (Exception) {
+			catch (Exception ex) {
 				for (int i = 0; i < sig.ParamCount; i++)
 					DiscardStack();
-				throw;
+				throw new EvaluationFailureException(string.Format("Failed to get operator {0}", sig), ex);
 			}
 			Operate(op, sig.ParamCount);
 		}
@@ -222,4 +224,18 @@ namespace Cryville.Common.Pdt {
 			_goffset -= _stack[--_framecount].Length;
 		}
 	}
+
+	/// <summary>
+	/// The exception that is thrown when the evalution of a <see cref="PdtExpression" /> fails.
+	/// </summary>
+	public class EvaluationFailureException : Exception {
+		/// <inheritdoc />
+		public EvaluationFailureException() : base("Evaluation failed") { }
+		/// <inheritdoc />
+		public EvaluationFailureException(string message) : base(message) { }
+		/// <inheritdoc />
+		public EvaluationFailureException(string message, Exception innerException) : base(message, innerException) { }
+		/// <inheritdoc />
+		protected EvaluationFailureException(SerializationInfo info, StreamingContext context) : base(info, context) { }
+	}
 }

Assets/Cryville/Common/Pdt/PdtExpression.cs

@@ -51,13 +51,14 @@ namespace Cryville.Common.Pdt {
 		}
 		public class PushVariable : PdtInstruction {
 			public int Name { get; private set; }
-			public PushVariable(int name) { Name = name; }
-			public PushVariable(string name) : this(IdentifierManager.SharedInstance.Request(name)) { }
+			public bool Forced { get; private set; }
+			public PushVariable(int name, bool forced = false) { Name = name; Forced = forced; }
+			public PushVariable(string name, bool forced = false) : this(IdentifierManager.SharedInstance.Request(name)) { Forced = forced; }
 			internal override void Execute(PdtEvaluatorBase etor) {
-				etor.PushVariable(Name);
+				etor.PushVariable(Name, Forced);
 			}
 			public override string ToString() {
-				return string.Format("pushv {0}", IdentifierManager.SharedInstance.Retrieve(Name));
+				return string.Format(Forced ? "pushv ?{0}" : "pushv {0}", IdentifierManager.SharedInstance.Retrieve(Name));
 			}
 		}
 		public class Operate : PdtInstruction {
@@ -239,7 +240,11 @@ namespace Cryville.Common.Pdt {
 					if (defs.TryGetValue(buf.Value.Value, out def)) {
 						foreach (var i in def.Instructions) ins.AddLast(i);
 					}
-					else ins.AddLast(new PdtInstruction.PushVariable(buf.Value.Value));
+					else {
+						var name = buf.Value.Value;
+						if (name[0] == '?') ins.AddLast(new PdtInstruction.PushVariable(name.Substring(1), true));
+						else ins.AddLast(new PdtInstruction.PushVariable(name));
+					}
 					buf = null;
 					TryPushAdjMul(ins, ref flag);
 				}

Assets/Cryville/Common/Pdt/PdtInterpreter.cs

@@ -32,7 +32,7 @@ namespace Cryville.Common.Pdt {
 			0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0001, 0x0001, 0x0000, 0x0000, 0x0001, 0x0000, 0x0000,
 			0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
 			0x0001, 0x0080, 0x0100, 0x0000, 0x0030, 0x0080, 0x0080, 0x0000, 0x0200, 0x0400, 0x0080, 0x0080, 0x0080, 0x0080, 0x0040, 0x0080,
-			0x0050, 0x0050, 0x0050, 0x0050, 0x0050, 0x0050, 0x0050, 0x0050, 0x0050, 0x0050, 0x1000, 0x1800, 0x0080, 0x0080, 0x0080, 0x0000,
+			0x0050, 0x0050, 0x0050, 0x0050, 0x0050, 0x0050, 0x0050, 0x0050, 0x0050, 0x0050, 0x1000, 0x1800, 0x0080, 0x0080, 0x0080, 0x0030,
 			0x0080, 0x0030, 0x0030, 0x0030, 0x0030, 0x0030, 0x0030, 0x0030, 0x0030, 0x0030, 0x0030, 0x0030, 0x0030, 0x0030, 0x0030, 0x0030,
 			0x0030, 0x0030, 0x0030, 0x0030, 0x0030, 0x0030, 0x0030, 0x0030, 0x0030, 0x0030, 0x0030, 0x0000, 0x0000, 0x0000, 0x0000, 0x0030,
 			0x0000, 0x0030, 0x0030, 0x0030, 0x0030, 0x0030, 0x0030, 0x0030, 0x0030, 0x0030, 0x0030, 0x0030, 0x0030, 0x0030, 0x0030, 0x0030,

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) {
@@ -49,13 +48,9 @@ namespace Cryville.Common.Pdt {
 			_rfreq = false;
 			try { Execute(); } catch (Exception ex) {
 				if (_rfreq) _etor.DiscardStack();
-				throw new InvalidOperationException("Evaluation failed", ex);
+				throw new EvaluationFailureException("Evaluation failed", ex);
 			}
-			if (_failure) {
-				if (_rfreq) _etor.DiscardStack();
-				throw new InvalidOperationException("Evaluation failed");
-			}
-			if (!_rfreq && !noset) throw new InvalidOperationException("Return frame not set");
+			if (!_rfreq && !noset) throw new EvaluationFailureException("Return frame not set");
 		}
 		/// <summary>
 		/// Executes the operator.
@@ -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/Pdt/PdtVariableMemory.cs

@@ -4,7 +4,7 @@ namespace Cryville.Common.Pdt {
 	/// <summary>
 	/// Span on the memory of a <see cref="PdtEvaluatorBase" />.
 	/// </summary>
-	public unsafe struct PdtVariableMemory {
+	public unsafe struct PdtVariableMemory : IEquatable<PdtVariableMemory> {
 		readonly byte* _ptr;
 		/// <summary>
 		/// The length of the span.
@@ -46,6 +46,14 @@ namespace Cryville.Common.Pdt {
 			for (int i = 0; i < length; i++)
 				dest[destOffset + i] = _ptr[i];
 		}
+		/// <inheritdoc />
+		public bool Equals(PdtVariableMemory obj) {
+			if (Type != obj.Type || Length != obj.Length) return false;
+			for (int i = 0; i < Length; i++) {
+				if (*(_ptr + i) != *(obj._ptr + i)) return false;
+			}
+			return true;
+		}
 		/// <summary>
 		/// Gets the memory of the span as a number.
 		/// </summary>

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/Anchor.cs

@@ -1,15 +1,17 @@
-using UnityEngine;
+using System.Collections.Generic;
+using UnityEngine;
 
 namespace Cryville.Crtr {
 	public class Anchor {
-		bool _opened;
-		public bool Opened { get { return _opened; } }
-		public Transform Transform { get; set; }
-		public void Open() {
-			_opened = true;
-		}
-		public void Close() {
-			_opened = false;
+		public int Name { get; private set; }
+		public Transform Transform { get; private set; }
+		public SkinContext SkinContext { get; private set; }
+		public Dictionary<int, PropSrc> PropSrcs { get; private set; }
+		public Anchor(int name, Transform transform, bool hasProps = false) {
+			Name = name;
+			Transform = transform;
+			if (hasProps) PropSrcs = new Dictionary<int, PropSrc>();
+			SkinContext = new SkinContext(transform, PropSrcs);
 		}
 	}
 }

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) };
+			}
+		}
+	}
+}