Code cleanup.

This reverts commit 4185303bd2.

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/ReflectionHelper.cs

@@ -145,7 +145,7 @@ namespace Cryville.Common {
 		/// <returns>An array containing all the subclasses of the type in the current app domain.</returns>
 		public static Type[] GetSubclassesOf<T>() where T : class {
 			var assemblies = AppDomain.CurrentDomain.GetAssemblies();
-			IEnumerable<Type> r = new List<Type>();
+			IEnumerable<Type> r = Enumerable.Empty<Type>();
 			foreach (var a in assemblies)
 				r = r.Concat(a.GetTypes().Where(
 					t => t.IsClass

Assets/Cryville/Common/Unity/FileDialog.cs

@@ -98,7 +98,7 @@ namespace Cryville.Common.Unity {
 #elif UNITY_ANDROID
 				GameObject sbtn = GameObject.Instantiate<GameObject>(prefabButton);
 				sbtn.GetComponentInChildren<Text>().text = "Storage";
-				sbtn.GetComponentInChildren<Button>().onClick.AddListener(() => OnDriveChanged(new DirectoryInfo(androidStorage)));
+				sbtn.GetComponentInChildren<Button>().onClick.AddListener(() => ChangeDirectory(new DirectoryInfo(androidStorage)));
 				sbtn.transform.SetParent(drives, false);
 #else
 #error No update GUI logic

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

@@ -4,7 +4,19 @@ using UnityEngine;
 namespace Cryville.Common.Unity.Input {
 	public delegate void InputEventDelegate(InputIdentifier id, InputVector vec);
 	public abstract class InputHandler : IDisposable {
-		public event InputEventDelegate OnInput;
+		InputEventDelegate m_onInput;
+		public event InputEventDelegate OnInput {
+			add {
+				if (m_onInput == null) Activate();
+				m_onInput -= value;
+				m_onInput += value;
+			}
+			remove {
+				if (m_onInput == null) return;
+				m_onInput -= value;
+				if (m_onInput == null) Deactivate();
+			}
+		}
 
 		~InputHandler() {
 			Dispose(false);
@@ -14,26 +26,15 @@ namespace Cryville.Common.Unity.Input {
 			GC.SuppressFinalize(this);
 		}
 
-		public bool Activated { get; private set; }
-		public void Activate() {
-			if (Activated) return;
-			Activated = true;
-			ActivateImpl();
-		}
-		protected abstract void ActivateImpl();
-		public void Deactivate() {
-			if (!Activated) return;
-			Activated = false;
-			DeactivateImpl();
-		}
-		protected abstract void DeactivateImpl();
+		protected abstract void Activate();
+		protected abstract void Deactivate();
 		public abstract void Dispose(bool disposing);
 		public abstract bool IsNullable(int type);
 		public abstract byte GetDimension(int type);
 		public abstract string GetTypeName(int type);
 		public abstract double GetCurrentTimestamp();
 		protected void Feed(int type, int id, InputVector vec) {
-			var del = OnInput;
+			var del = m_onInput;
 			if (del != null) del(new InputIdentifier { Source = new InputSource { Handler = this, Type = type }, Id = id }, vec);
 		}
 	}

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

@@ -4,28 +4,22 @@ using System.Reflection;
 
 namespace Cryville.Common.Unity.Input {
 	public class InputManager {
-		static readonly List<Type> HandlerRegistries = new List<Type> {
+		static readonly HashSet<Type> HandlerRegistries = new HashSet<Type> {
 			typeof(WindowsPointerHandler),
 			typeof(UnityKeyHandler<UnityKeyboardReceiver>),
 			typeof(UnityKeyHandler<UnityMouseButtonReceiver>),
 			typeof(UnityMouseHandler),
 			typeof(UnityTouchHandler),
 		};
-		readonly List<InputHandler> _handlers = new List<InputHandler>();
+		readonly HashSet<InputHandler> _handlers = new HashSet<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>();
-		readonly List<InputEvent> _events = new List<InputEvent>();
 		public InputManager() {
 			foreach (var t in HandlerRegistries) {
 				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);
 					Logger.Log("main", 1, "Input", "Initialized {0}", ReflectionHelper.GetSimpleName(t));
 				}
 				catch (TargetInvocationException ex) {
@@ -36,49 +30,8 @@ namespace Cryville.Common.Unity.Input {
 		public InputHandler GetHandler(string name) {
 			return _typemap[Type.GetType(name)];
 		}
-		public void Activate() {
-			lock (_lock) {
-				_events.Clear();
-			}
-			foreach (var h in _handlers) h.Activate();
-		}
-		public void SyncTime(double time) {
-			foreach (var h in _handlers) {
-				_timeOrigins[h] = time - h.GetCurrentTimestamp();
-			}
-		}
-		public void Deactivate() {
-			foreach (var h in _handlers) h.Deactivate();
-		}
-		void OnInput(InputIdentifier id, InputVector vec) {
-			lock (_lock) {
-				double timeOrigin = _timeOrigins[id.Source.Handler];
-				vec.Time += timeOrigin;
-				InputVector vec0;
-				if (_vectors.TryGetValue(id, out vec0)) {
-					_events.Add(new InputEvent {
-						Id = id,
-						From = vec0,
-						To = vec,
-					});
-					if (vec.IsNull) _vectors.Remove(id);
-					else _vectors[id] = vec;
-				}
-				else {
-					_events.Add(new InputEvent {
-						Id = id,
-						From = new InputVector(vec.Time),
-						To = vec,
-					});
-					_vectors.Add(id, vec);
-				}
-			}
-		}
-		public void EnumerateEvents(Action<InputEvent> cb) {
-			lock (_lock) {
-				foreach (var ev in _events) cb(ev);
-				_events.Clear();
-			}
+		public void EnumerateHandlers(Action<InputHandler> cb) {
+			foreach (var h in _handlers) cb(h);
 		}
 	}
 

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

@@ -0,0 +1,49 @@
+using System;
+using System.Collections.Generic;
+
+namespace Cryville.Common.Unity.Input {
+	public class SimpleInputConsumer {
+		readonly InputManager _manager;
+		readonly object _lock = new object();
+		readonly Dictionary<InputIdentifier, InputVector> _vectors = new Dictionary<InputIdentifier, InputVector>();
+		readonly List<InputEvent> _events = new List<InputEvent>();
+		public SimpleInputConsumer(InputManager manager) { _manager = manager; }
+		public void Activate() {
+			lock (_lock) {
+				_events.Clear();
+			}
+			_manager.EnumerateHandlers(h => h.OnInput += OnInput);
+		}
+		public void Deactivate() {
+			_manager.EnumerateHandlers(h => h.OnInput -= OnInput);
+		}
+		protected void OnInput(InputIdentifier id, InputVector vec) {
+			lock (_lock) {
+				InputVector vec0;
+				if (_vectors.TryGetValue(id, out vec0)) {
+					_events.Add(new InputEvent {
+						Id = id,
+						From = vec0,
+						To = vec,
+					});
+					if (vec.IsNull) _vectors.Remove(id);
+					else _vectors[id] = vec;
+				}
+				else {
+					_events.Add(new InputEvent {
+						Id = id,
+						From = new InputVector(vec.Time),
+						To = vec,
+					});
+					_vectors.Add(id, vec);
+				}
+			}
+		}
+		public void EnumerateEvents(Action<InputEvent> cb) {
+			lock (_lock) {
+				foreach (var ev in _events) cb(ev);
+				_events.Clear();
+			}
+		}
+	}
+}

Assets/Cryville/Common/Unity/Input/SimpleInputConsumer.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 8fd2d5f1c7ba0c74c9ce8775075750db
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

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

@@ -9,19 +9,19 @@ namespace Cryville.Common.Unity.Input {
 
 		public UnityKeyHandler() { }
 
-		protected override void ActivateImpl() {
+		protected override void Activate() {
 			receiver = new GameObject("__keyrecv__");
 			recvcomp = receiver.AddComponent<T>();
 			recvcomp.SetCallback(Feed);
 		}
 
-		protected override void DeactivateImpl() {
+		protected override void Deactivate() {
 			if (receiver) GameObject.Destroy(receiver);
 		}
 
 		public override void Dispose(bool disposing) {
 			if (disposing) {
-				DeactivateImpl();
+				Deactivate();
 			}
 		}
 
@@ -44,7 +44,7 @@ namespace Cryville.Common.Unity.Input {
 
 	public abstract class UnityKeyReceiver<T> : MonoBehaviour where T : UnityKeyReceiver<T> {
 		protected Action<int, int, InputVector> Callback;
-		protected readonly List<int> Keys = new List<int>();
+		protected readonly HashSet<int> Keys = new HashSet<int>();
 		public void SetCallback(Action<int, int, InputVector> h) {
 			Callback = h;
 		}

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

@@ -12,35 +12,35 @@ namespace Cryville.Common.Unity.Input {
 			}
 		}
 
-		protected override void ActivateImpl() {
+		protected override void Activate() {
 			receiver = new GameObject("__mouserecv__");
 			receiver.AddComponent<UnityMouseReceiver>().SetHandler(this);
 		}
 
-		protected override void DeactivateImpl() {
+		protected override void Deactivate() {
 			if (receiver) GameObject.Destroy(receiver);
 		}
 
 		public override void Dispose(bool disposing) {
 			if (disposing) {
-				DeactivateImpl();
+				Deactivate();
 			}
 		}
 
 		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

@@ -12,35 +12,35 @@ namespace Cryville.Common.Unity.Input {
 			}
 		}
 
-		protected override void ActivateImpl() {
+		protected override void Activate() {
 			receiver = new GameObject("__touchrecv__");
 			receiver.AddComponent<UnityPointerReceiver>().SetHandler(this);
 		}
 
-		protected override void DeactivateImpl() {
+		protected override void Deactivate() {
 			if (receiver) GameObject.Destroy(receiver);
 		}
 
 		public override void Dispose(bool disposing) {
 			if (disposing) {
-				DeactivateImpl();
+				Deactivate();
 			}
 		}
 
 		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/Input/WindowsPointerHandler.cs

@@ -61,7 +61,7 @@ namespace Cryville.Common.Unity.Input {
 		public const int TABLET_DISABLE_PENBARRELFEEDBACK = 0x00000010;
 		public const int TABLET_DISABLE_FLICKS = 0x00010000;
 
-		protected override void ActivateImpl() {
+		protected override void Activate() {
 			newWndProc = WndProc;
 			newWndProcPtr = Marshal.GetFunctionPointerForDelegate(newWndProc);
 			oldWndProcPtr = SetWindowLongPtr(hMainWindow, -4, newWndProcPtr);
@@ -77,7 +77,7 @@ namespace Cryville.Common.Unity.Input {
 			);
 		}
 
-		protected override void DeactivateImpl() {
+		protected override void Deactivate() {
 			if (pressAndHoldAtomID != 0) {
 				NativeMethods.RemoveProp(hMainWindow, PRESS_AND_HOLD_ATOM);
 				NativeMethods.GlobalDeleteAtom(pressAndHoldAtomID);
@@ -142,7 +142,7 @@ namespace Cryville.Common.Unity.Input {
 		}
 
 		public override void Dispose(bool disposing) {
-			DeactivateImpl();
+			Deactivate();
 			if (usePointerMessage)
 				NativeMethods.EnableMouseInPointer(false);
 			Instance = null;

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/ResourceBrowserMaster.cs

@@ -73,6 +73,9 @@ namespace Cryville.Crtr.Browsing {
 			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, ChartDetail detail) {

Assets/Cryville/Crtr/Chart.cs

@@ -130,15 +130,6 @@ namespace Cryville.Crtr {
 			get { return Duration > 0; }
 		}
 
-		private InstantEvent attev = null;
-		[JsonIgnore]
-		public InstantEvent AttackEvent {
-			get {
-				if (attev == null) attev = new InstantEvent(this);
-				return attev;
-			}
-		}
-
 		private InstantEvent relev = null;
 		[JsonIgnore]
 		public InstantEvent ReleaseEvent {
@@ -203,7 +194,7 @@ 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));
 			}
 		}
 	}
@@ -310,6 +301,8 @@ namespace Cryville.Crtr {
 #pragma warning restore IDE1006
 
 			private void LoadFromString(string s) {
+				if (RelativeNode != null || AbsoluteValue != null)
+					throw new InvalidOperationException("The motion property can only be set at initialization");
 				Match m = Regex.Match(s, @"^(.+?)(#(\d+))?(@(.+?))?(\^(.+?))?(\*(.+?))?(:(.+))?$");
 				if (!m.Success) throw new ArgumentException("Invalid motion string format");
 				name = new Identifier(m.Groups[1].Value);
@@ -331,6 +324,10 @@ namespace Cryville.Crtr {
 				else {
 					AbsoluteValue = Vector.Construct(registry.Type, m.Groups[11].Value);
 				}
+				SubmitPropSrc("value", VectorSrc.Construct(() => {
+					if (RelativeNode != null) return RelativeNode.Value;
+					else return AbsoluteValue;
+				}));
 			}
 
 			public override string ToString() {
@@ -382,10 +379,6 @@ namespace Cryville.Crtr {
 			}
 
 			public Motion() {
-				SubmitPropSrc("value", new VectorSrc(() => {
-					if (RelativeNode != null) return RelativeNode.Value;
-					else return AbsoluteValue;
-				}));
 				SubmitPropOp("motion", new PropOp.String(v => motion = v));
 				SubmitPropOp("name", new PropOp.Identifier(v => {
 					var n = new Identifier(v);

Assets/Cryville/Crtr/ChartPlayer.cs

@@ -54,8 +54,8 @@ namespace Cryville.Crtr {
 		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;
@@ -111,7 +111,7 @@ namespace Cryville.Crtr {
 
 		bool texloaddone;
 		diag::Stopwatch texloadtimer = new diag::Stopwatch();
-		bool firstFrame;
+		int forceSyncFrames;
 		double atime0;
 		void Update() {
 			if (started) GameUpdate();
@@ -123,10 +123,18 @@ namespace Cryville.Crtr {
 			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;
+				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);
+				}
+				else {
+					dt = Time.deltaTime;
+					step = autoRenderStep ? Time.smoothDeltaTime : renderStep;
+				}
 				inputProxy.ForceTick();
 				cbus.ForwardByTime(dt);
 				bbus.ForwardByTime(dt);
@@ -135,16 +143,13 @@ namespace Cryville.Crtr {
 				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.StripTempEvents();
 				tbus.ForwardStepByTime(clippingDist, step);
 				tbus.ForwardStepByTime(renderDist, step);
 				tbus.BroadcastEndUpdate();
@@ -250,14 +255,15 @@ namespace Cryville.Crtr {
 			status.text = sttext;
 		}
 		void OnCameraPostRender(Camera cam) {
+			if (!started) return;
 			if (!logEnabled) return;
-			if (started) timetext = string.Format(
-				"\nSTime: {0:R}\nATime: {1:R}\nITime: {2:R}",
+			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,
-				inputProxy.GetTimestampAverage()
+				(Game.AudioClient.Position - atime0 - cbus.Time) * 1e3,
+				(inputProxy.GetTimestampAverage() - cbus.Time) * 1e3,
+				forceSyncFrames != 0 ? "(force sync)" : ""
 			);
-			else timetext = string.Empty;
 		}
 		#endregion
 
@@ -278,6 +284,9 @@ 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
@@ -308,7 +317,7 @@ namespace Cryville.Crtr {
 			autoRenderStep = renderStep == 0;
 			soundOffset = Settings.Default.SoundOffset;
 			startOffset = Settings.Default.StartOffset;
-			firstFrame = true;
+			forceSyncFrames= Settings.Default.ForceSyncFrames;
 			texloaddone = false;
 			Game.NetworkTaskWorker.SuspendBackgroundTasks();
 			Game.AudioSession = Game.AudioSequencer.NewSession();
@@ -476,6 +485,7 @@ namespace Cryville.Crtr {
 				workerTimer = new diag::Stopwatch();
 				workerTimer.Start();
 				RMVPool.Prepare();
+				MotionCachePool.Prepare();
 				LoadChart(info);
 				workerTimer.Stop();
 				Logger.Log("main", 1, "Load/WorkerThread", "Worker thread done ({0}ms)", workerTimer.Elapsed.TotalMilliseconds);
@@ -507,10 +517,10 @@ namespace Cryville.Crtr {
 				var batcher = new EventBatcher(chart);
 				batcher.Forward();
 				cbus = batcher.Batch();
-				Logger.Log("main", 0, "Load/WorkerThread", "Batched {0} event batches", cbus.events.Count);
 
 				LoadSkin(info.skinFile);
 
+				Logger.Log("main", 0, "Load/WorkerThread", "Initializing judge and input");
 				judge = new Judge(pruleset);
 				etor.ContextJudge = judge;
 
@@ -529,10 +539,10 @@ 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((Chart.Note)ts.Key, gh);
 						}
 						else {
-							th = new TrackHandler(gh, (Chart.Track)ts.Key);
+							th = new TrackHandler((Chart.Track)ts.Key, gh);
 						}
 						ts.Value.AttachHandler(th);
 					}
@@ -542,8 +552,6 @@ namespace Cryville.Crtr {
 				using (var pbus = cbus.Clone(16)) {
 					pbus.Forward();
 				}
-				Logger.Log("main", 0, "Load/WorkerThread", "Patching events");
-				cbus.DoPatch();
 
 				Logger.Log("main", 0, "Load/WorkerThread", "Cloning states (type 1)");
 				bbus = cbus.Clone(1, -clippingDist);

Assets/Cryville/Crtr/Components/SectionalGameObject.cs

@@ -9,6 +9,18 @@ namespace Cryville.Crtr.Components {
 		protected Vector3? prevpt;
 		protected Quaternion? prevrot;
 		protected int vertCount = 0;
+		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), 2);
+		}
 
 		protected override void OnDestroy() {
 			mesh.Destroy();
@@ -23,7 +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;
@@ -52,9 +64,9 @@ namespace Cryville.Crtr.Components {
 		static readonly ArrayPool<Vector2> _shapePool = new ArrayPool<Vector2>(0x100, 0x10000);
 
 		public PolygonSGO() {
-			SubmitProperty("head", new PropOp.String(v => head.FrameName = v), 2);
-			SubmitProperty("body", new PropOp.String(v => body.FrameName = v), 2);
-			SubmitProperty("tail", new PropOp.String(v => tail.FrameName = v), 2);
+			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("shape", new op_set_shape(this), 2);
 		}
 
@@ -108,12 +120,6 @@ namespace Cryville.Crtr.Components {
 			UpdateZIndex();
 		}
 
-		void AddMat(List<Material> list, string frame) {
-			var mat = mesh.NewMaterial;
-			mat.mainTexture = ChartPlayer.frames[frame].Texture;
-			list.Add(mat);
-		}
-
 		protected override void OnDestroy() {
 			base.OnDestroy();
 			Reset();
@@ -146,6 +152,7 @@ namespace Cryville.Crtr.Components {
 		List<Vector3> verts;
 		List<Vector2> uvs;
 		List<int> trih = null, trib = null, trit = null;
+		static List<int> _emptyTris = new List<int>();
 
 		public override void Seal() {
 			if (vertCount <= 1 || sumLength == 0) return;
@@ -186,13 +193,13 @@ namespace Cryville.Crtr.Components {
 			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;
+			mesh.Mesh.subMeshCount = 3;
 			m = 0;
 			mesh.Mesh.SetVertices(verts);
 			mesh.Mesh.SetUVs(0, uvs);
-			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.SetTriangles(head.Frame == null ? _emptyTris : trih, m++);
+			mesh.Mesh.SetTriangles(body.Frame == null ? _emptyTris : trib, m++);
+			mesh.Mesh.SetTriangles(tail.Frame == null ? _emptyTris : trit, m++);
 			mesh.Mesh.RecalculateNormals();
 
 			_vertPool.Return(verts); verts = null;

Assets/Cryville/Crtr/Components/SpritePlane.cs

@@ -19,7 +19,7 @@ namespace Cryville.Crtr.Components {
 			private set;
 		}
 		public Rect Rect {
-			get { return Frame.frame; }
+			get { return Frame.Frame; }
 		}
 		/// <summary>
 		/// The ratio of width divided by height.
@@ -60,8 +60,8 @@ namespace Cryville.Crtr.Components {
 
 	public class SpritePlane : SpriteBase {
 		public SpritePlane() {
-			SubmitProperty("frame", new PropOp.String(v => Frame = v), 2);
-			SubmitProperty("fit", new PropOp.Enum<FitMode>(v => Fit = v));
+			SubmitProperty("frame", new PropOp.String(v => Frame = v));
+			SubmitProperty("fit", new PropOp.Enum<FitMode>(v => Fit = v, v => (FitMode)v));
 			SubmitProperty("opacity", new PropOp.Float(v => Opacity = v));
 		}
 

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

@@ -79,7 +79,7 @@ namespace Cryville.Crtr.Components {
 			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");
+				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();

Assets/Cryville/Crtr/Config/ConfigScene.cs

@@ -19,7 +19,7 @@ namespace Cryville.Crtr.Config {
 		public Ruleset ruleset;
 		RulesetConfig _rscfg;
 
-		void Awake() {
+		void Start() {
 			ChartPlayer.etor = new PdtEvaluator();
 			FileInfo file = new FileInfo(
 				Game.GameDataPath + "/rulesets/" + Settings.Default.LoadRuleset
@@ -57,7 +57,6 @@ namespace Cryville.Crtr.Config {
 			var proxy = new InputProxy(ruleset.Root, null);
 			proxy.LoadFrom(_rscfg.inputs);
 			m_inputConfigPanel.proxy = proxy;
-			Game.InputManager.Activate();
 		}
 
 		public void SwitchCategory(GameObject cat) {
@@ -68,7 +67,6 @@ namespace Cryville.Crtr.Config {
 		}
 
 		public void SaveAndReturnToMenu() {
-			Game.InputManager.Deactivate();
 			m_inputConfigPanel.proxy.SaveTo(_rscfg.inputs);
 			m_inputConfigPanel.proxy.Dispose();
 			FileInfo cfgfile = new FileInfo(

Assets/Cryville/Crtr/Config/InputConfigPanel.cs

@@ -24,6 +24,7 @@ namespace Cryville.Crtr.Config {
 		[SerializeField]
 		GameObject m_prefabInputConfigEntry;
 
+		readonly SimpleInputConsumer _consumer = new SimpleInputConsumer(Game.InputManager);
 		public InputProxy proxy;
 		readonly Dictionary<string, InputConfigPanelEntry> _entries = new Dictionary<string, InputConfigPanelEntry>();
 
@@ -32,7 +33,7 @@ namespace Cryville.Crtr.Config {
 			_sel = entry;
 			m_inputDialog.SetActive(true);
 			CallHelper.Purge(m_deviceList);
-			Game.InputManager.EnumerateEvents(ev => { });
+			_consumer.EnumerateEvents(ev => { });
 			_recvsrcs.Clear();
 			AddSourceItem(null);
 		}
@@ -46,10 +47,11 @@ namespace Cryville.Crtr.Config {
 				Target = _sel,
 				Source = src,
 			});
-			m_inputDialog.SetActive(false);
+			CloseDialog();
 		}
 
 		void Start() {
+			_consumer.Activate();
 			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);
@@ -59,6 +61,10 @@ namespace Cryville.Crtr.Config {
 			proxy.ProxyChanged += OnProxyChanged;
 		}
 
+		void OnDestroy() {
+			_consumer.Deactivate();
+		}
+
 		void OnProxyChanged(object sender, ProxyChangedEventArgs e) {
 			_entries[e.Name].SetEnabled(!e.Used);
 			_entries[e.Name].SetValue(e.Proxy == null ? "None" : e.Proxy.Value.Handler.GetTypeName(e.Proxy.Value.Type));
@@ -67,7 +73,7 @@ namespace Cryville.Crtr.Config {
 		readonly List<InputSource?> _recvsrcs = new List<InputSource?>();
 		void Update() {
 			if (m_inputDialog.activeSelf) {
-				Game.InputManager.EnumerateEvents(ev => {
+				_consumer.EnumerateEvents(ev => {
 					AddSourceItem(ev.Id.Source);
 				});
 			}

Assets/Cryville/Crtr/DiscordController.cs

@@ -0,0 +1,78 @@
+using Discord;
+using System;
+using UnityEngine;
+using Logger = Cryville.Common.Logger;
+
+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;
+			try {
+				dc = new Discord.Discord(CLIENT_ID, (UInt64)CreateFlags.NoRequireDiscord);
+				Logger.Log("main", 1, "Discord", "Connected to Discord");
+				am = dc.GetActivityManager();
+				SetIdle();
+			}
+			catch (ResultException) {
+				if (dc != null) {
+					dc.Dispose();
+					dc = null;
+				}
+				Logger.Log("main", 3, "Discord", "Cannot connect to Discord");
+			}
+		}
+
+		void Update() {
+			if (dc == null) return;
+			try {
+				dc.RunCallbacks();
+			}
+			catch (ResultException ex) {
+				dc.Dispose();
+				dc = null;
+				Logger.Log("main", 4, "Discord", "An error occured while running callbacks: {0}", ex);
+			}
+		}
+
+		void OnApplicationQuit() {
+			if (dc == null) return;
+			dc.Dispose();
+		}
+
+		void Callback(Result result) { }
+
+		public void SetIdle() {
+			if (dc == null) return;
+			am.UpdateActivity(new Activity {
+				State = "Idle",
+				Instance = false,
+				Timestamps = { Start = launchTime },
+			}, Callback);
+		}
+
+		public void SetPlaying(string detail, double? duration) {
+			if (dc == null) return;
+			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

@@ -1,3 +1,5 @@
+using Cryville.Common;
+using Cryville.Common.Buffers;
 using Cryville.Crtr.Components;
 using System;
 using System.Collections.Generic;
@@ -34,38 +36,21 @@ namespace Cryville.Crtr.Event {
 		/// <summary>
 		/// <see cref="GameObject"/> group, the <see cref="Transform"/> containing all the generated elements in the <see cref="ContainerHandler"/>.
 		/// </summary>
-		public Transform gogroup;
+		protected Transform gogroup;
+		public SkinContext SkinContext;
 
-		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 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; }
 		}
 
-		public SkinContainer skinContainer;
-		public Judge judge;
+		SkinContainer skinContainer;
+		protected Judge judge;
 		public void AttachSystems(PdtSkin skin, Judge judge) {
 			skinContainer = new SkinContainer(skin);
 			this.judge = judge;
@@ -75,17 +60,34 @@ namespace Cryville.Crtr.Event {
 		public abstract string TypeName {
 			get;
 		}
+		public readonly Dictionary<int, List<Anchor>> Anchors = new Dictionary<int, List<Anchor>>();
+		public Anchor OpenedAnchor;
+		protected Anchor a_cur;
+		protected Anchor a_head;
+		protected Anchor a_tail;
+		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(CultureInfo.InvariantCulture)).transform;
+			SkinContext = new SkinContext(gogroup);
 			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);
+			a_head = RegisterAnchor(_a_head);
+			a_tail = RegisterAnchor(_a_tail);
 		}
+		protected Anchor RegisterAnchor(int name, bool hasPropSrcs = false) {
+			var go = new GameObject("." + IdentifierManager.SharedInstance.Retrieve(name)).transform;
+			go.SetParent(gogroup, false);
+			var result = new Anchor(name, go, hasPropSrcs);
+			List<Anchor> list;
+			if (!Anchors.TryGetValue(name, out list))
+				Anchors.Add(name, list = new List<Anchor>());
+			list.Add(result);
+			return result;
+		}
+
 		/// <summary>
 		/// Called upon StartUpdate of ps 17.
 		/// </summary>
@@ -106,12 +108,14 @@ namespace Cryville.Crtr.Event {
 			Alive = false;
 		}
 		protected virtual void PreAwake(ContainerState s) {
-			if (gogroup) gogroup.gameObject.SetActive(true);
+			if (gogroup) {
+				gogroup.gameObject.SetActive(true);
+				OpenAnchor(a_head);
+			}
 			Awoken = true; Alive = true;
-			OpenAnchor("head");
 		}
 		protected virtual void Awake(ContainerState s) {
-			CloseAnchor("head");
+			if (gogroup) CloseAnchor();
 		}
 		protected virtual void GetPosition(ContainerState s) { }
 		public virtual void StartUpdate(ContainerState s) {
@@ -123,26 +127,64 @@ namespace Cryville.Crtr.Event {
 				Init();
 			}
 		}
+		static readonly SimpleObjectPool<StampedEvent.Anchor> anchorEvPool
+			= new SimpleObjectPool<StampedEvent.Anchor>(1024);
+		protected void PushAnchorEvent(double time, Anchor anchor) {
+			var tev = anchorEvPool.Rent();
+			tev.Time = time;
+			tev.Container = Container;
+			tev.Target = anchor;
+			ts.Bus.PushTempEvent(tev);
+		}
+		public virtual void Discard(ContainerState s, StampedEvent ev) {
+			if (ev is StampedEvent.Anchor) {
+				anchorEvPool.Return((StampedEvent.Anchor)ev);
+			}
+		}
 		public virtual void Update(ContainerState s, StampedEvent ev) {
 			bool flag = !Awoken && s.CloneType >= 2 && s.CloneType < 16;
 			if (flag) PreAwake(s);
-			if (s.CloneType <= 2) if (gogroup) skinContainer.MatchDynamic(s);
+			if (gogroup && s.CloneType <= 2) 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.Target);
+#if UNITY_5_6_OR_NEWER
+					tev.Target.Transform.SetPositionAndRotation(Position, Rotation);
+#else
+					tev.Target.Transform.position = GetCurrentWorldPoint();
+					tev.Target.Transform.rotation = Quaternion.Euler(s.Direction);
+#endif
+					skinContainer.MatchDynamic(s);
+					CloseAnchor();
+				}
+				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) skinContainer.MatchDynamic(s);
+				if (gogroup && s.CloneType <= 2) {
+					OpenAnchor(a_tail);
+					skinContainer.MatchDynamic(s);
+					CloseAnchor();
+				}
 			}
 		}
-		public virtual void Anchor() { }
-		protected void OpenAnchor(string name) {
-			if (Anchors.ContainsKey(name)) Anchors[name].Open();
+		public virtual void Anchor() {
+			skinContainer.MatchDynamic(cs);
+			if (cs.Working) PushAnchorEvent(cs.Time, a_cur);
 		}
-		protected void CloseAnchor(string name) {
-			if (Anchors.ContainsKey(name)) Anchors[name].Close();
+		protected void OpenAnchor(Anchor anchor) {
+			if (OpenedAnchor != null) throw new InvalidOperationException("An anchor has been opened");
+			OpenedAnchor = anchor;
+		}
+		protected void CloseAnchor() {
+			OpenedAnchor = null;
 		}
 	}
 }

Assets/Cryville/Crtr/Event/ContainerState.cs

@@ -9,6 +9,7 @@ namespace Cryville.Crtr.Event {
 	public class ContainerState {
 		public EventBus Bus;
 		public EventContainer Container;
+		public StampedEvent StampedContainer;
 		public ContainerState Parent = null;
 		public ushort Depth;
 
@@ -38,6 +39,7 @@ namespace Cryville.Crtr.Event {
 			InvalidatedChildren.Clear();
 		}
 
+		public bool Active { get; set; }
 		private bool m_Working;
 		public bool Working {
 			get { return m_Working; }
@@ -63,16 +65,10 @@ 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, 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() };
-			}
-		}
+		readonly MotionCachePool MCPool = new MotionCachePool();
+		Dictionary<StampedEvent, RealtimeMotionValue> PlayingMotions = new Dictionary<StampedEvent, RealtimeMotionValue>(4);
+		Dictionary<Identifier, RealtimeMotionValue> Values;
+		Dictionary<Identifier, MotionCache> CachedValues;
 
 		/// <summary>
 		/// Gets a motion value.
@@ -81,25 +77,19 @@ namespace Cryville.Crtr.Event {
 		/// <param name="clone">Returns a cloned motion value instead.</param>
 		/// <returns>A motion value.</returns>
 		RealtimeMotionValue GetMotionValue(Identifier name, bool clone = false) {
-			RealtimeMotionValue value;
-			if (!Values.TryGetValue(name, out value)) {
-				value = new RealtimeMotionValue().Init(Parent == null
-					? ChartPlayer.motionRegistry[name].GlobalInitValue
-					: ChartPlayer.motionRegistry[name].InitValue
-				);
-				Values.Add(name, value);
-			}
+			RealtimeMotionValue value = Values[name];
 			if (clone) return value.Clone();
 			return value;
 		}
 
 		void InvalidateMotion(Identifier name) {
-			CacheEntry cache;
+			MotionCache cache;
 			if (!CachedValues.TryGetValue(name, out cache))
-				CachedValues.Add(name, cache = new CacheEntry());
+				CachedValues.Add(name, cache = MCPool.Rent(name));
 			cache.Valid = false;
-			foreach (var c in Children)
-				c.Value.InvalidateMotion(name);
+			ValidateChildren();
+			foreach (var c in WorkingChildren)
+				Children[c].InvalidateMotion(name);
 		}
 
 		public ContainerState(Chart c, EventContainer _ev, ContainerState parent = null) {
@@ -111,7 +101,7 @@ namespace Cryville.Crtr.Event {
 			}
 
 			Values = new Dictionary<Identifier, RealtimeMotionValue>(ChartPlayer.motionRegistry.Count);
-			CachedValues = new Dictionary<Identifier, CacheEntry>(ChartPlayer.motionRegistry.Count);
+			CachedValues = new Dictionary<Identifier, MotionCache>(ChartPlayer.motionRegistry.Count);
 			foreach (var m in ChartPlayer.motionRegistry)
 				Values.Add(m.Key, new RealtimeMotionValue().Init(Parent == null ? m.Value.GlobalInitValue : m.Value.InitValue));
 		}
@@ -132,9 +122,11 @@ namespace Cryville.Crtr.Event {
 			}
 			r.Values = mvs;
 
-			var cvs = new Dictionary<Identifier, CacheEntry>(ChartPlayer.motionRegistry.Count);
+			var cvs = new Dictionary<Identifier, MotionCache>(ChartPlayer.motionRegistry.Count);
 			foreach (var cv in CachedValues) {
-				cvs.Add(cv.Key, cv.Value.Clone());
+				var dv = r.MCPool.Rent(cv.Key);
+				cv.Value.CopyTo(dv);
+				cvs.Add(cv.Key, dv);
 			}
 			r.CachedValues = cvs;
 
@@ -145,7 +137,7 @@ namespace Cryville.Crtr.Event {
 				AddChild(child.Key, cc, r);
 			}
 
-			var pms = new Dictionary<StampedEvent, RealtimeMotionValue>(PlayingMotions.Count);
+			var pms = new Dictionary<StampedEvent, RealtimeMotionValue>(Math.Max(4, PlayingMotions.Count));
 			foreach (var m in PlayingMotions)
 				pms.Add(m.Key, m.Value);
 			r.PlayingMotions = pms;
@@ -171,20 +163,20 @@ namespace Cryville.Crtr.Event {
 				else dest.Values.Add(mv.Key, mv.Value.Clone());
 			}
 
+			foreach (var cv in dest.CachedValues) cv.Value.Valid = false;
 			foreach (var cv in CachedValues) {
-				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);
+				MotionCache dv;
+				if (!dest.CachedValues.TryGetValue(cv.Key, out dv)) {
+					dest.CachedValues.Add(cv.Key, dv = dest.MCPool.Rent(cv.Key));
 				}
-				else dest.CachedValues.Add(cv.Key, cv.Value.Clone());
+				cv.Value.CopyTo(dv);
 			}
 
 			if (ct != 1) foreach (var cev in WorkingChildren)
 				Children[cev].CopyTo(ct, dest.Children[cev]);
 			else foreach (var child in Children)
 				child.Value.CopyTo(ct, dest.Children[child.Key]);
-			ValidateChildren();
+			dest.ValidateChildren();
 
 			dest.PlayingMotions.Clear();
 			foreach (var m in PlayingMotions) dest.PlayingMotions.Add(m.Key, m.Value);
@@ -201,11 +193,12 @@ namespace Cryville.Crtr.Event {
 			foreach (var s in Children)
 				s.Value.Dispose();
 			RMVPool.ReturnAll();
+			MCPool.ReturnAll();
 		}
 
 		public void AttachHandler(ContainerHandler h) {
 			if (Handler != null)
-				throw new InvalidOperationException();
+				throw new InvalidOperationException("Handler attached twice");
 			Handler = h;
 			h.cs = this;
 		}
@@ -215,11 +208,9 @@ namespace Cryville.Crtr.Event {
 		}
 
 		public Vector GetRawValue(Identifier key) {
-			CacheEntry tr;
+			MotionCache tr;
 			if (!CachedValues.TryGetValue(key, out tr))
-				CachedValues.Add(key, tr = new CacheEntry { Valid = false });
-			if (tr.Value == null)
-				tr.Value = (Vector)ReflectionHelper.InvokeEmptyConstructor(ChartPlayer.motionRegistry[key].Type);
+				CachedValues.Add(key, tr = MCPool.Rent(key));
 			Vector r = tr.Value;
 #if !DISABLE_CACHE
 			if (tr.Valid) return r;
@@ -317,7 +308,11 @@ namespace Cryville.Crtr.Event {
 			Working = false;
 		}
 
-		public void Handle(StampedEvent ev, Action<StampedEvent> callback = null) {
+		public void Discard(StampedEvent ev) {
+			Handler.Discard(this, ev);
+		}
+
+		public void Handle(StampedEvent ev) {
 			if (breakflag) return;
 			if (ev != null) {
 				if (ev.Unstamped is Chart.Motion) {
@@ -326,7 +321,7 @@ namespace Cryville.Crtr.Event {
 					mv.CloneTypeFlag = CloneType;
 					GetMotionValue(tev.Name).CopyTo(mv);
 					PlayingMotions.Add(ev, mv);
-					Callback(ev, callback);
+					Update(ev);
 					if (!ev.Unstamped.IsLong) {
 						PlayingMotions.Remove(ev);
 						RMVPool.Return(mv);
@@ -338,7 +333,7 @@ namespace Cryville.Crtr.Event {
 					ccs.Working = true;
 					ccs.StartUpdate();
 					UpdateMotions();
-					if (!ev.Unstamped.IsLong) {
+					if (!cev.IsLong) {
 						ccs.Working = false;
 						ccs.BroadcastEndUpdate();
 						if (CloneType == 1) ccs.Dispose();
@@ -349,7 +344,7 @@ namespace Cryville.Crtr.Event {
 					if (tev.IsRelease) {
 						var nev = tev.Original;
 						if (nev is Chart.Motion) {
-							Callback(ev, callback);
+							Update(ev);
 							var mv = PlayingMotions[ev.Origin];
 							if (mv.CloneTypeFlag == CloneType) RMVPool.Return(mv);
 							PlayingMotions.Remove(ev.Origin);
@@ -364,15 +359,13 @@ namespace Cryville.Crtr.Event {
 						}
 					}
 				}
-				Callback(ev.Unstamped == null || ev.Unstamped.Priority >= 0 ? ev : null, callback);
+				Update(ev.Unstamped == null || ev.Unstamped.Priority >= 0 ? ev : null);
 			}
-			else Callback(null, callback);
+			else Update(null);
 		}
 
-		void Callback(StampedEvent ev, Action<StampedEvent> callback) {
+		void Update(StampedEvent ev) {
 			UpdateMotions();
-			if (callback != null)
-				callback(ev);
 			if (ev == null || ev.Unstamped != null) Handler.Update(this, ev);
 			else Handler.ExUpdate(this, ev);
 			foreach (var m in PlayingMotions)

Assets/Cryville/Crtr/Event/EventBatcher.cs

@@ -9,124 +9,127 @@ namespace Cryville.Crtr.Event {
 			get;
 			private set;
 		}
-		ContainerState RootState;
-		/// <summary>
-		/// event => the container state that handles the event
-		/// </summary>
-		readonly Dictionary<ChartEvent, ContainerState> table
+		readonly Chart chart;
+		ContainerState rootState;
+		readonly Dictionary<ChartEvent, ContainerState> containerMap
 			= new Dictionary<ChartEvent, ContainerState>();
-		public List<StampedEvent> stampedEvents = new List<StampedEvent>();
+		readonly Dictionary<EventContainer, ContainerState> stateMap
+			= new Dictionary<EventContainer, ContainerState>();
+		readonly Dictionary<ChartEvent, StampedEvent> map
+			= new Dictionary<ChartEvent, StampedEvent>();
+		readonly Dictionary<EventContainer, List<StampedEvent>> coeventMap
+			= new Dictionary<EventContainer, List<StampedEvent>>();
+		readonly HashSet<ChartEvent> coevents = new HashSet<ChartEvent>();
+		readonly List<StampedEvent> stampedEvents = new List<StampedEvent>();
 		readonly List<EventBatch> batches = new List<EventBatch>();
 
 		double beat;
 		float tempo;
 		
-		public EventBatcher(Chart c) : base(c, new List<ChartEvent>()) {
+		public EventBatcher(Chart c) : base(new List<ChartEvent>()) {
+			chart = c;
 			beat = chart.BeatPosition;
 			tempo = (float)c.sigs[0].tempo;
-			events.Add(c);
-			events.Add(c.ReleaseEvent);
+			Events.Add(c);
+			Events.Add(c.ReleaseEvent);
 			AddEventContainer(c);
-			events.Sort((a, b) => a.BeatPosition.CompareTo(b.BeatPosition));
+			Events.Sort((a, b) => a.BeatPosition.CompareTo(b.BeatPosition));
 		}
 
 		void AddEventContainer(EventContainer c, ContainerState parent = null) {
 			var cs = new ContainerState(chart, c, parent);
+			stateMap.Add(c, cs);
 			if (parent == null) {
 				cs.Depth = 0;
-				RootState = cs;
+				rootState = cs;
 			}
 			else {
 				cs.Depth = (ushort)(parent.Depth + 1);
 			}
 			foreach (var ev in c.Events) {
 				if (ev.time == null) {
+					coevents.Add(ev);
 					ev.time = c.time;
 					if (ev is EventContainer)
 						ev.endtime = c.endtime;
 				}
 				if (ev.IsLong) {
-					events.Add(ev.ReleaseEvent);
-					table.Add(ev.ReleaseEvent, cs);
+					Events.Add(ev.ReleaseEvent);
+					containerMap.Add(ev.ReleaseEvent, cs);
 				}
-				events.Add(ev);
-				table.Add(ev, cs);
+				Events.Add(ev);
+				containerMap.Add(ev, cs);
 				if (ev is EventContainer)
 					AddEventContainer((EventContainer)ev, cs);
 			}
 		}
 		
-		public override void ForwardOnceToTime(double toTime, Action<ChartEvent> callback) {
+		public override void ForwardOnceToTime(double toTime) {
 			double toBeat = Math.Round(beat + (toTime - Time) * tempo / 60f, 6);
-			if (EventId >= events.Count)
+			if (EventId >= Events.Count)
 				goto return_ahead;
-			double ebeat = events[EventId].BeatPosition;
+			double ebeat = Events[EventId].BeatPosition;
 			double etime = Math.Round((ebeat - beat) / tempo * 60f + Time, 6);
 			if (etime > toTime)
 				goto return_ahead;
 			var batch = GetEventBatch();
 			Time = etime;
 			beat = ebeat;
-			bool flag = false;
 			foreach (var ev in batch) {
 				EventContainer con = null;
-				if (table.ContainsKey(ev)) con = table[ev].Container;
+				if (containerMap.ContainsKey(ev)) con = containerMap[ev].Container;
 				var sev = new StampedEvent() {
 					Time = etime,
 					Unstamped = ev,
 					Container = con
 				};
+				if (ev is EventContainer) {
+					stateMap[(EventContainer)ev].StampedContainer = sev;
+				}
 				if (ev is InstantEvent) {
 					var tev = (InstantEvent)ev;
-					var pev = stampedEvents.First(tpev => tpev.Unstamped == tev.Original);
+					var pev = map[tev.Original];
 					pev.Subevents.Add(sev);
 					sev.Origin = pev;
 				}
-				stampedEvents.Add(sev);
-				if (ev.Priority >= 0) {
-					if (callback != null) callback(ev);
-					flag = true;
+				if (con != null && coevents.Contains(ev)) {
+					List<StampedEvent> cevs;
+					if (!coeventMap.TryGetValue(con, out cevs)) {
+						coeventMap.Add(con, cevs = new List<StampedEvent>());
+					}
+					cevs.Add(sev);
 				}
+				else stampedEvents.Add(sev);
+				map.Add(ev, sev);
 				if (ev is Chart.Signature) {
 					var tev = (Chart.Signature)ev;
 					if (tev.tempo != null) tempo = (float)tev.tempo;
 				}
 				EventId++;
 			}
-			if (callback != null && !flag) callback(batch.First());
 			return;
 		return_ahead:
 			Time = toTime;
 			beat = toBeat;
-			if (callback != null) callback(null);
 		}
 		
 		IOrderedEnumerable<ChartEvent> GetEventBatch() {
-			float cbeat = events[EventId].BeatPosition;
+			float cbeat = Events[EventId].BeatPosition;
 			int b = EventId;
-			while (Mathf.Approximately(events[b].BeatPosition, cbeat)) {
+			while (Mathf.Approximately(Events[b].BeatPosition, cbeat)) {
 				b--;
 				if (b == -1) break;
 			}
 			int a = EventId;
-			while (Mathf.Approximately(events[a].BeatPosition, cbeat)) {
+			while (Mathf.Approximately(Events[a].BeatPosition, cbeat)) {
 				a++;
-				if (a == events.Count) break;
+				if (a == Events.Count) break;
 			}
-			return from ev in events.GetRange(b + 1, a - b - 1) orderby ev.Priority select ev;
+			return from ev in Events.GetRange(b + 1, a - b - 1) orderby ev.Priority select ev;
 		}
 		
 		public EventBus Batch() {
-			stampedEvents.Sort((a, b) => {
-				int u = a.CompareTo(b);
-				if (u != 0) return u;
-				if (a.Unstamped != null && b.Unstamped != null)
-					if (table.ContainsKey(a.Unstamped) && table.ContainsKey(b.Unstamped)) {
-						u = table[a.Unstamped].Depth.CompareTo(table[b.Unstamped].Depth);
-						if (u != 0) return u;
-					}
-				return a.GetHashCode().CompareTo(b.GetHashCode());
-			});
+			stampedEvents.Sort(CompareStampedEvents);
 			var cb = new EventBatch(stampedEvents[0].Time);
 			foreach (var ev in stampedEvents) {
 				if (ev.Time != cb.Time) {
@@ -134,10 +137,36 @@ namespace Cryville.Crtr.Event {
 					cb = new EventBatch(ev.Time);
 				}
 				cb.Enqueue(ev);
+				BatchCoevents(ev);
 			}
 			batches.Add(cb);
-			Bus = new EventBus(chart, RootState, batches);
+			Bus = new EventBus(rootState, batches);
 			return Bus;
 		}
+
+		void BatchCoevents(StampedEvent ev, List<StampedEvent> ocevs = null) {
+			if (!(ev.Unstamped is EventContainer)) return;
+			List<StampedEvent> cevs;
+			if (coeventMap.TryGetValue((EventContainer)ev.Unstamped, out cevs)) {
+				var rootFlag = ocevs == null;
+				if (rootFlag) ev.Coevents = ocevs = new List<StampedEvent>();
+				foreach (var cev in cevs) {
+					ocevs.Add(cev);
+					BatchCoevents(cev, ocevs);
+				}
+				if (rootFlag) ocevs.Sort(CompareStampedEvents);
+				else ocevs.Add(ev);
+			}
+		}
+
+		int CompareStampedEvents(StampedEvent a, StampedEvent b) {
+			int u = a.CompareTo(b);
+			if (u != 0) return u;
+			if (a.Unstamped != null && b.Unstamped != null && containerMap.ContainsKey(a.Unstamped) && containerMap.ContainsKey(b.Unstamped)) {
+				u = containerMap[a.Unstamped].Depth.CompareTo(containerMap[b.Unstamped].Depth);
+				if (u != 0) return u;
+			}
+			return 0;
+		}
 	}
 }

Assets/Cryville/Crtr/Event/EventBus.cs

@@ -11,15 +11,14 @@ namespace Cryville.Crtr.Event {
 
 		Dictionary<EventContainer, ContainerState> states
 			= new Dictionary<EventContainer, ContainerState>();
-		List<EventContainer> activeContainers
-			= new List<EventContainer>();
+		HashSet<EventContainer> activeContainers
+			= new HashSet<EventContainer>();
 		HashSet<ContainerState> workingStates
 			= new HashSet<ContainerState>();
 		HashSet<ContainerState> invalidatedStates
 			= new HashSet<ContainerState>();
 
-		public EventBus(Chart c, ContainerState root, List<EventBatch> b)
-			: base(c, b) {
+		public EventBus(ContainerState root, List<EventBatch> b) : base(b) {
 			RootState = root;
 			Expand();
 			AttachBus();
@@ -30,9 +29,10 @@ namespace Cryville.Crtr.Event {
 			var r = (EventBus)MemberwiseClone();
 			r.prototype = this;
 			r.states = new Dictionary<EventContainer, ContainerState>();
-			r.activeContainers = new List<EventContainer>();
+			r.activeContainers = new HashSet<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();
@@ -85,8 +85,18 @@ namespace Cryville.Crtr.Event {
 
 		void EnsureActivity(EventContainer c) {
 			if (activeContainers.Contains(c)) return;
-			if (RootState.CloneType >= 2) prototype.states[c].CopyTo(RootState.CloneType, states[c]);
+			var state = states[c];
+			if (state.Parent != null) EnsureActivity(state.Parent.Container);
+			if (RootState.CloneType >= 2) prototype.states[c].CopyTo(RootState.CloneType, state);
+			state.Active = true;
 			activeContainers.Add(c);
+
+			if (state.StampedContainer.Coevents == null) return;
+			foreach (var cev in state.StampedContainer.Coevents) {
+				if (cev.Container == null) continue;
+				EnsureActivity(cev.Container);
+				states[cev.Container].Handle(cev);
+			}
 		}
 
 		void AttachBus() {
@@ -99,39 +109,60 @@ 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(double toTime, Action<EventBatch> callback = null) {
-			if (EventId < events.Count && events[EventId].Time <= toTime) {
-				Time = events[EventId].Time;
-				var batch = events[EventId];
+		readonly StampedEvent _dummyEvent = new StampedEvent();
+		public void StripTempEvents() {
+			_dummyEvent.Time = Time;
+			var index = tempEvents.BinarySearch(_dummyEvent);
+			if (index < 0) index = ~index;
+			for (var i = 0; i < index; i++) {
+				var ev = tempEvents[i];
+				if (ev.Container != null) {
+					states[ev.Container].Discard(ev);
+				}
+			}
+			tempEvents.RemoveRange(0, index);
+		}
+
+		public override void ForwardOnceToTime(double toTime) {
+			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) {
+							if (ev.Unstamped is EventContainer) EnsureActivity((EventContainer)ev.Unstamped);
+							else EnsureActivity(ev.Container);
+							states[ev.Container].Handle(ev);
+						}
+						else if (ev.Coevents != 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.Time != time0) break;
+						if (ev.Container != null) {
+							EnsureActivity(ev.Container);
+							states[ev.Container].Handle(ev);
+						}
+						tempEvents.RemoveAt(0);
 					}
 				}
 				ValidateStates();
-				EventId++;
 			}
 			else {
 				Time = toTime;
@@ -156,6 +187,7 @@ namespace Cryville.Crtr.Event {
 
 		public void BroadcastEndUpdate() {
 			RootState.BroadcastEndUpdate();
+			tempEvents.Clear();
 		}
 
 		public void Anchor() {

Assets/Cryville/Crtr/Event/MotionCache.cs

@@ -0,0 +1,55 @@
+using Cryville.Common;
+using Cryville.Common.Buffers;
+using System.Collections.Generic;
+
+namespace Cryville.Crtr.Event {
+	internal class MotionCache {
+		public bool Valid { get; set; }
+		public Vector Value { get; set; }
+		public void CopyTo(MotionCache dest) {
+			dest.Valid = Valid;
+			Value.CopyTo(dest.Value);
+		}
+	}
+	internal class MotionCachePool {
+		private class Bucket : ObjectPool<MotionCache> {
+			readonly MotionRegistry _reg;
+			public Bucket(string name, int capacity) : base(capacity) {
+				_reg = ChartPlayer.motionRegistry[name];
+			}
+			protected override MotionCache Construct() {
+				var result = new MotionCache();
+				result.Value = (Vector)ReflectionHelper.InvokeEmptyConstructor(_reg.Type);
+				return result;
+			}
+		}
+		static Dictionary<Identifier, Bucket> _buckets;
+		public static void Prepare() {
+			_buckets = new Dictionary<Identifier, Bucket>(ChartPlayer.motionRegistry.Count);
+			foreach (var reg in ChartPlayer.motionRegistry)
+				_buckets.Add(reg.Key, new Bucket(reg.Key, 4096));
+		}
+
+		static readonly SimpleObjectPool<Dictionary<MotionCache, Identifier>> _dictPool
+			= new SimpleObjectPool<Dictionary<MotionCache, Identifier>>(1024);
+		Dictionary<MotionCache, Identifier> _rented;
+		public MotionCache Rent(Identifier name) {
+			var obj = _buckets[name].Rent();
+			obj.Valid = false;
+			if (_rented == null) _rented = _dictPool.Rent();
+			_rented.Add(obj, name);
+			return obj;
+		}
+		public void Return(MotionCache obj) {
+			_buckets[_rented[obj]].Return(obj);
+			_rented.Remove(obj);
+		}
+		public void ReturnAll() {
+			if (_rented == null) return;
+			foreach (var obj in _rented)
+				_buckets[obj.Value].Return(obj.Key);
+			_rented.Clear();
+			_dictPool.Return(_rented);
+		}
+	}
+}

Assets/Cryville/Crtr/Event/MotionCache.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 5d11b50a98974254f87273c94ed20de7
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Cryville/Crtr/Event/RMVPool.cs

@@ -20,11 +20,13 @@ namespace Cryville.Crtr.Event {
 				_buckets.Add(reg.Key, new Bucket(reg.Key, 4096));
 		}
 
-		readonly Dictionary<RealtimeMotionValue, Identifier> _rented = new Dictionary<RealtimeMotionValue, Identifier>();
+		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();
-			_rented.Add(obj, n);
+			var obj = _buckets[name].Rent();
+			if (_rented == null) _rented = _dictPool.Rent();
+			_rented.Add(obj, name);
 			return obj;
 		}
 		public void Return(RealtimeMotionValue obj) {
@@ -32,9 +34,11 @@ namespace Cryville.Crtr.Event {
 			_rented.Remove(obj);
 		}
 		public void ReturnAll() {
+			if (_rented == null) return;
 			foreach (var obj in _rented)
 				_buckets[obj.Value].Return(obj.Key);
 			_rented.Clear();
+			_dictPool.Return(_rented);
 		}
 	}
 }

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

@@ -73,16 +73,19 @@ namespace Cryville.Crtr.Extensions.Bestdori {
 					};
 					for (int i = 0; i < tev.connections.Count; i++) {
 						BestdoriChartEvent.Connection c = tev.connections[i];
+						var motion = new Chart.Motion { motion = "track:" + c.lane.ToString(CultureInfo.InvariantCulture) };
 						if (i == 0) {
 							note.judges.Add(new Chart.Judge { name = "single" });
-							note.motions.Add(new Chart.Motion { motion = "track:" + c.lane.ToString(CultureInfo.InvariantCulture) });
+							note.motions.Add(motion);
 						}
 						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) });
+							var cbeat = motion.endtime = ToBeatTime(c.beat);
+							if (i > 1) motion.time = ToBeatTime(tev.connections[i - 1].beat);
+							note.motions.Add(motion);
 							if (i == tev.connections.Count - 1)
-								note.judges.Add(new Chart.Judge { time = ToBeatTime(c.beat), name = c.flick ? "longend_flick" : "longend" });
+								note.judges.Add(new Chart.Judge { time = cbeat, name = c.flick ? "longend_flick" : "longend" });
 							else if (!c.hidden)
-								note.judges.Add(new Chart.Judge { time = ToBeatTime(c.beat), name = "longnode" });
+								note.judges.Add(new Chart.Judge { time = cbeat, name = "longnode" });
 						}
 					}
 					if (c1.beat > endbeat) endbeat = c1.beat;

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

@@ -18,11 +18,11 @@ 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");
+			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) {
@@ -110,7 +110,7 @@ namespace Cryville.Crtr.Extensions.Malody {
 								offset = -tev.offset / 1000f,
 							});
 						}
-						else throw new NotImplementedException();
+						else throw new NotImplementedException("Key sounds are not supported yet");
 					}
 					else {
 						var rn = new Chart.Note() {
@@ -135,9 +135,9 @@ 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");
 			}
 			var endbeat = tm.FractionalBeatTime;
 			endbeat.b += 4;

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

@@ -35,6 +35,7 @@ namespace Cryville.Crtr.Extensions.osu {
 			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;
@@ -45,7 +46,7 @@ namespace Cryville.Crtr.Extensions.osu {
 						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 NotSupportedException("osu! chart format version too low"); // TODO apply offset
+							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;
@@ -57,10 +58,14 @@ namespace Cryville.Crtr.Extensions.osu {
 						Enum.TryParse(line.Substring(1, line.Length - 2), out section);
 						continue;
 					}
-					ParseLine(meta, chart, diff, evs, section, line);
+					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]));
@@ -81,7 +86,7 @@ namespace Cryville.Crtr.Extensions.osu {
 				}
 				else if (ev is osuEvent.EffectPoint) {
 					var tev = (osuEvent.EffectPoint)ev;
-					group.motions.Add(new Chart.Motion { motion = string.Format(CultureInfo.InvariantCulture, "svm:{0}", tev.ScrollSpeed) });
+					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");
@@ -122,13 +127,13 @@ namespace Cryville.Crtr.Extensions.osu {
 			return result;
 		}
 
-		void ParseLine(ChartMeta meta, Chart chart, DifficultyInfo diff, List<osuEvent> evs, Section section, string line) {
+		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, line); return;
+				case Section.TimingPoints: HandleTimingPoint(chart, evs, ref ftc, line); return;
 				case Section.HitObjects: HandleHitObject(evs, line); return;
 			}
 		}
@@ -143,9 +148,9 @@ namespace Cryville.Crtr.Extensions.osu {
 					int rulesetID = int.Parse(pair.Value, CultureInfo.InvariantCulture);
 					var ruleset = "osu!";
 					switch (rulesetID) {
-						case 0: /*ruleset += "standard";*/ throw new NotSupportedException("osu!standard mode is not supported yet");
-						case 1: /*ruleset += "taiko";*/ throw new NotSupportedException("osu!taiko mode is not supported yet");
-						case 2: /*ruleset += "catch";*/ throw new NotSupportedException("osu!catch mode is not supported yet");
+						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;
@@ -201,7 +206,7 @@ namespace Cryville.Crtr.Extensions.osu {
 			Animation = 6
 		}
 
-		void HandleTimingPoint(Chart chart, List<osuEvent> evs, string line) {
+		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*/;
@@ -230,7 +235,12 @@ namespace Cryville.Crtr.Extensions.osu {
 			if (timingChange) {
 				if (double.IsNaN(beatLength))
 					throw new InvalidDataException("Beat length cannot be NaN in a timing control point");
-				evs.Add(new osuEvent.TimingChange { StartTime = time, BeatLength = beatLength, TimeSignature = timeSignature });
+				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.

Assets/Cryville/Crtr/GroupHandler.cs

@@ -5,7 +5,7 @@ using System.Linq;
 using UnityEngine;
 
 namespace Cryville.Crtr {
-	class GroupHandler : ContainerHandler {
+	public class GroupHandler : ContainerHandler {
 		public ChartHandler ch;
 
 		SquareMatrix matFrame;

Assets/Cryville/Crtr/InputProxy.cs

@@ -65,10 +65,6 @@ namespace Cryville.Crtr {
 			if (_use[target] > 0)
 				throw new InvalidOperationException("Input already assigned");
 			if (proxy.Source != null) {
-				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(target);
@@ -77,7 +73,6 @@ namespace Cryville.Crtr {
 		}
 		void Remove(InputProxyEntry proxy) {
 			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);
@@ -142,12 +137,22 @@ namespace Cryville.Crtr {
 		public void Activate() {
 			_activeCounts.Clear();
 			_vect.Clear(); _vecs.Clear();
-			foreach (var src in _sproxies.Keys) {
-				_activeCounts.Add(src, 0);
-				src.Handler.Activate();
+			foreach (var src in _sproxies) {
+				_activeCounts.Add(src.Key, 0);
+				var isrc = src.Value.Source;
+				if (isrc != null) {
+					isrc.Value.Handler.OnInput += OnInput;
+				}
+			}
+		}
+		public void Deactivate() {
+			foreach (var src in _sproxies) {
+				var isrc = src.Value.Source;
+				if (isrc != null) {
+					isrc.Value.Handler.OnInput -= OnInput;
+				}
 			}
 		}
-		public void Deactivate() { foreach (var src in _sproxies.Keys) src.Handler.Deactivate(); }
 
 		~InputProxy() {
 			Dispose(false);
@@ -173,7 +178,7 @@ namespace Cryville.Crtr {
 		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>();
+		readonly Dictionary<ProxiedInputIdentifier, PropSrc> _vecs = new Dictionary<ProxiedInputIdentifier, PropSrc>();
 		static readonly PropSrc.Arbitrary _nullsrc = new PropSrc.Arbitrary(PdtInternalType.Null, new byte[0]);
 		unsafe void OnInput(InputIdentifier id, InputVector vec) {
 			lock (_lock) {
@@ -214,7 +219,7 @@ namespace Cryville.Crtr {
 			}
 			else {
 				var pid = new ProxiedInputIdentifier { Source = id, Target = target };
-				PropSrc.Arbitrary fv, tv = _etor.ContextCascadeLookup(_var_value);
+				PropSrc fv, tv = _etor.ContextCascadeLookup(_var_value);
 				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]++;
@@ -232,8 +237,7 @@ namespace Cryville.Crtr {
 		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() {

Assets/Cryville/Crtr/Judge.cs

@@ -1,13 +1,13 @@
 using Cryville.Common;
 using Cryville.Common.Buffers;
 using Cryville.Common.Pdt;
-using Cryville.Crtr.Event;
 using System;
 using System.Collections.Generic;
 using System.Globalization;
 
 namespace Cryville.Crtr {
 	public class Judge {
+		#region Data
 		readonly PdtEvaluator _etor;
 		readonly PdtRuleset _rs;
 		readonly Dictionary<Identifier, float> ct
@@ -16,13 +16,14 @@ namespace Cryville.Crtr {
 			= new Dictionary<Identifier, List<JudgeEvent>>();
 		readonly Dictionary<Identifier, List<JudgeEvent>> activeEvs
 			= new Dictionary<Identifier, List<JudgeEvent>>();
-		struct JudgeEvent {
+		public struct JudgeEvent {
 			public double StartTime { get; set; }
 			public double EndTime { get; set; }
 			public double StartClip { get; set; }
 			public double EndClip { get; set; }
+			public Chart.Judge BaseEvent { get; set; }
 			public JudgeDefinition Definition { get; set; }
-			public ContainerState State { get; set; }
+			public NoteHandler Handler { get; set; }
 		}
 		static readonly IComparer<JudgeEvent> _stcmp = new JudgeEventStartTimeComparer();
 		class JudgeEventStartTimeComparer : IComparer<JudgeEvent> {
@@ -33,27 +34,46 @@ namespace Cryville.Crtr {
 		public Judge(PdtRuleset rs) {
 			_etor = ChartPlayer.etor;
 			_rs = rs;
+			InitJudges();
 			InitScores();
 		}
-		public void Prepare(double st, double et, Identifier input, JudgeDefinition def, ContainerState container) {
+		public void Prepare(StampedEvent sev, NoteHandler handler) {
+			var tev = (Chart.Judge)sev.Unstamped;
+			Identifier input = default(Identifier);
+			ChartPlayer.etor.Evaluate(new PropOp.Identifier(v => input = new Identifier(v)), _rs.judges[tev.Id].input);
+			double st = sev.Time, et = st + sev.Duration;
 			List<JudgeEvent> list;
 			if (!evs.TryGetValue(input, out list)) {
 				ct.Add(input, 0);
 				evs.Add(input, list = new List<JudgeEvent>());
 				activeEvs.Add(input, new List<JudgeEvent>());
 			}
+			var def = _rs.judges[tev.Id];
 			var ev = new JudgeEvent {
 				StartTime = st,
 				EndTime = et,
 				StartClip = st + def.clip[0],
 				EndClip = et + def.clip[1],
+				BaseEvent = tev,
 				Definition = def,
-				State = container,
+				Handler = handler,
 			};
 			var index = list.BinarySearch(ev, _stcmp);
 			if (index < 0) index = ~index;
 			list.Insert(index, ev);
 		}
+		#endregion
+		#region Judge
+		internal readonly Dictionary<int, int> judgeMap = new Dictionary<int, int>();
+		internal readonly Dictionary<int, int> jtabsMap = new Dictionary<int, int>();
+		internal readonly Dictionary<int, int> jtrelMap = new Dictionary<int, int>();
+		void InitJudges() {
+			foreach (var i in _rs.judges.Keys) {
+				judgeMap.Add(i.Key, IdentifierManager.SharedInstance.Request("judge_" + i.Name));
+				jtabsMap.Add(i.Key, IdentifierManager.SharedInstance.Request("jtabs_" + i.Name));
+				jtrelMap.Add(i.Key, IdentifierManager.SharedInstance.Request("jtrel_" + i.Name));
+			}
+		}
 		static bool _flag;
 		static readonly PropOp.Boolean _flagop = new PropOp.Boolean(v => _flag = v);
 		static readonly int _var_fn = IdentifierManager.SharedInstance.Request("fn");
@@ -112,7 +132,7 @@ namespace Cryville.Crtr {
 					else _flag = true;
 					if (_flag) {
 						if (def.scores != null) UpdateScore(def.scores);
-						if (def.pass != null) Pass(def.pass);
+						if (def.pass != null) Pass(ev, (ft + tt) / 2, def.pass);
 						actlist.RemoveAt(index);
 						if (def.prop != 0 && actlist.Count > 0) {
 							index = BinarySearchFirst(actlist, (float)ev.StartClip, def.stack - def.prop);
@@ -124,14 +144,15 @@ namespace Cryville.Crtr {
 				}
 			}
 		}
-		bool Pass(Identifier[] ids) {
+		bool Pass(JudgeEvent ev, float time, Identifier[] ids) {
 			foreach (var i in ids) {
 				var def = _rs.judges[i];
 				if (def.hit != null) _etor.Evaluate(_flagop, def.hit);
 				else _flag = true;
 				if (_flag) {
 					if (def.scores != null) UpdateScore(def.scores);
-					if (def.pass != null) Pass(def.pass);
+					if (def.pass != null) Pass(ev, time, def.pass);
+					ev.Handler.ReportJudge(ev, time, i);
 					return true;
 				}
 			}
@@ -144,7 +165,7 @@ namespace Cryville.Crtr {
 				JudgeEvent ev = actlist[i];
 				if (tt > ev.EndClip) {
 					actlist.RemoveAt(i);
-					if (ev.Definition.miss != null) Pass(ev.Definition.miss);
+					if (ev.Definition.miss != null) Pass(ev, tt, ev.Definition.miss);
 				}
 			}
 		}
@@ -174,6 +195,8 @@ namespace Cryville.Crtr {
 				}
 			}
 		}
+		#endregion
+		#region Score
 		readonly Dictionary<int, int> scoreStringKeys = new Dictionary<int, int>();
 		readonly Dictionary<int, int> scoreStringKeysRev = new Dictionary<int, int>();
 		readonly Dictionary<int, PropSrc> scoreSrcs = new Dictionary<int, PropSrc>();
@@ -229,7 +252,8 @@ namespace Cryville.Crtr {
 			readonly Func<string> _cb;
 			readonly ArrayPool<byte> _pool;
 			byte[] _buf;
-			public ScoreStringSrc(ArrayPool<byte> pool, Func<string> cb) {
+			public ScoreStringSrc(ArrayPool<byte> pool, Func<string> cb)
+				: base(PdtInternalType.String) {
 				_pool = pool;
 				_cb = cb;
 			}
@@ -240,12 +264,11 @@ namespace Cryville.Crtr {
 					_buf = null;
 				}
 			}
-			protected override unsafe void InternalGet(out int type, out byte[] value) {
+			protected override unsafe void InternalGet() {
 				var src = _cb();
 				int strlen = src.Length;
-				type = PdtInternalType.String;
-				value = _pool.Rent(sizeof(int) + strlen * sizeof(char));
-				fixed (byte* _ptr = value) {
+				buf = _pool.Rent(sizeof(int) + strlen * sizeof(char));
+				fixed (byte* _ptr = buf) {
 					char* ptr = (char*)(_ptr + sizeof(int));
 					*(int*)_ptr = strlen;
 					int i = 0;
@@ -253,7 +276,9 @@ namespace Cryville.Crtr {
 				}
 			}
 		}
+		#endregion
 	}
+	#region Definitions
 	public class InputDefinition {
 		public int dim;
 		public bool notnull;
@@ -282,4 +307,5 @@ namespace Cryville.Crtr {
 		public float init = 0;
 		public string format = "";
 	}
+	#endregion
 }

Assets/Cryville/Crtr/Motion.cs

@@ -351,6 +351,8 @@ namespace Cryville.Crtr {
 	public abstract class Vector : IComparable<Vector> {
 		public Vector() { }
 
+		public abstract byte Dimension { get; }
+
 		public abstract int CompareTo(Vector other);
 
 		public abstract void ApplyFrom(Vector parent);
@@ -392,6 +394,8 @@ namespace Cryville.Crtr {
 			Value = i;
 		}
 
+		public override byte Dimension { get { return 1; } }
+
 		public override int CompareTo(Vector other) {
 			return CompareTo((Vec1)other);
 		}
@@ -457,6 +461,8 @@ namespace Cryville.Crtr {
 			Value = i;
 		}
 
+		public override byte Dimension { get { return 1; } }
+
 		public override int CompareTo(Vector other) {
 			throw new NotImplementedException();
 		}
@@ -517,6 +523,8 @@ namespace Cryville.Crtr {
 			Value = i;
 		}
 
+		public override byte Dimension { get { return 1; } }
+
 		public override int CompareTo(Vector other) {
 			throw new NotImplementedException();
 		}
@@ -578,6 +586,8 @@ namespace Cryville.Crtr {
 			this.h = h;
 		}
 
+		public override byte Dimension { get { return 2; } }
+
 		public static void Parse(string s, out float? w, out float? h) {
 			string[] c = s.Split('+');
 			float rw = 0, rh = 0;
@@ -697,6 +707,8 @@ namespace Cryville.Crtr {
 			this.x = x; this.y = y; this.z = z;
 		}
 
+		public override byte Dimension { get { return 3; } }
+
 		public override int CompareTo(Vector other) {
 			throw new NotImplementedException();
 		}
@@ -773,6 +785,8 @@ namespace Cryville.Crtr {
 			this.xw = xw; this.xh = xh; this.yw = yw; this.yh = yh;
 		}
 
+		public override byte Dimension { get { return 4; } }
+
 		public override int CompareTo(Vector other) {
 			throw new NotImplementedException();
 		}
@@ -852,6 +866,8 @@ namespace Cryville.Crtr {
 			this.xw = xw; this.xh = xh; this.yw = yw; this.yh = yh; this.z = z;
 		}
 
+		public override byte Dimension { get { return 5; } }
+
 		public override int CompareTo(Vector other) {
 			throw new NotImplementedException();
 		}
@@ -925,22 +941,29 @@ namespace Cryville.Crtr {
 		}
 	}
 
-	public class VectorSrc : PropSrc {
-		readonly Func<Vector> _cb;
-		public VectorSrc(Func<Vector> cb) { _cb = cb; }
-		protected override unsafe void InternalGet(out int type, out byte[] value) {
-			var arr = _cb().ToArray();
-			if (arr.Length == 1) {
-				type = PdtInternalType.Number;
-				value = new byte[sizeof(float)];
-				fixed (byte* ptr = value) {
+	public abstract class VectorSrc : PropSrc {
+		protected readonly Func<Vector> _cb;
+		public VectorSrc(Func<Vector> cb, int type) : base(type) { _cb = cb; }
+		public static VectorSrc Construct(Func<Vector> cb) {
+			if (cb().Dimension == 1) return new INumber(cb);
+			else return new IVector(cb);
+		}
+		class INumber : VectorSrc {
+			public INumber(Func<Vector> cb) : base(cb, PdtInternalType.Number) { }
+			protected override unsafe void InternalGet() {
+				var arr = _cb().ToArray();
+				buf = new byte[sizeof(float)];
+				fixed (byte* ptr = buf) {
 					*(float*)ptr = arr[0];
 				}
 			}
-			else {
-				type = PdtInternalType.Vector;
-				value = new byte[sizeof(float) * arr.Length + sizeof(int)];
-				fixed (byte* rptr = value) {
+		}
+		class IVector : VectorSrc {
+			public IVector(Func<Vector> cb) : base(cb, PdtInternalType.Vector) { }
+			protected override unsafe void InternalGet() {
+				var arr = _cb().ToArray();
+				buf = new byte[sizeof(float) * arr.Length + sizeof(int)];
+				fixed (byte* rptr = buf) {
 					var ptr = (float*)rptr;
 					for (int i = 0; i < arr.Length; i++, ptr++) {
 						*ptr = arr[i];

Assets/Cryville/Crtr/NoteHandler.cs

@@ -7,15 +7,12 @@ using System.Collections.Generic;
 using UnityEngine;
 
 namespace Cryville.Crtr {
-	class NoteHandler : ContainerHandler {
+	public class NoteHandler : ContainerHandler {
 		readonly GroupHandler gh;
 		public readonly Chart.Note Event;
-		readonly PdtRuleset ruleset;
-		public NoteHandler(GroupHandler gh, Chart.Note ev, PdtRuleset rs, Judge j) : base() {
-			this.gh = gh;
+		public NoteHandler(Chart.Note ev, GroupHandler gh) : base() {
 			Event = ev;
-			ruleset = rs;
-			judge = j;
+			this.gh = gh;
 		}
 		
 		public override string TypeName {
@@ -25,26 +22,76 @@ namespace Cryville.Crtr {
 		}
 
 		SectionalGameObject[] sgos;
+		readonly Dictionary<Chart.Judge, JudgeState> judges = new Dictionary<Chart.Judge, JudgeState>();
+		readonly Dictionary<int, DynamicJudgeAnchorPair> dynJudgeAnchors = new Dictionary<int, DynamicJudgeAnchorPair>();
+		class JudgeState {
+			static readonly int _var_judge_result = IdentifierManager.SharedInstance.Request("judge_result");
+			public Anchor StaticAnchor { get; private set; }
+			public DynamicJudgeAnchorPair DynamicAnchors { get; private set; }
+			public bool Judged { get; private set; }
+			public float AbsoluteTime { get; private set; }
+			public float RelativeTime { get; private set; }
+			int _result = 0;
+			PropSrc _resultPropSrc;
+			public JudgeState(NoteHandler handler, int name) {
+				StaticAnchor = handler.RegisterAnchor(handler.judge.judgeMap[name], true);
+				DynamicAnchors = handler.GetDynamicJudgeAnchorPair(name);
+			}
+			public void MarkJudged(float abs, float rel, int result) {
+				Judged = true;
+				AbsoluteTime = abs;
+				RelativeTime = rel;
+				_result = result;
+				_resultPropSrc.Invalidate();
+			}
+			public void InitPropSrcs() {
+				StaticAnchor.PropSrcs.Add(_var_judge_result, _resultPropSrc = new PropSrc.Identifier(() => _result));
+			}
+		}
+		class DynamicJudgeAnchorPair {
+			public Anchor Absolute { get; private set; }
+			public Anchor Relative { get; private set; }
+			public DynamicJudgeAnchorPair(Anchor absolute, Anchor relative) {
+				Absolute = absolute;
+				Relative = relative;
+			}
+		}
+		DynamicJudgeAnchorPair GetDynamicJudgeAnchorPair(int name) {
+			DynamicJudgeAnchorPair result;
+			if (!dynJudgeAnchors.TryGetValue(name, out result)) {
+				dynJudgeAnchors.Add(name, result = new DynamicJudgeAnchorPair(
+					RegisterAnchor(judge.jtabsMap[name]),
+					RegisterAnchor(judge.jtrelMap[name])
+				));
+			}
+			return result;
+		}
 
+		public override void PreInit() {
+			base.PreInit();
+			foreach (var j in Event.judges) {
+				judges.Add(j, new JudgeState(this, j.Id.Key));
+			}
+		}
 		public override void Init() {
 			base.Init();
 			sgos = gogroup.GetComponentsInChildren<SectionalGameObject>();
+			foreach (var judge in judges.Values) judge.InitPropSrcs();
 		}
 		protected override void PreAwake(ContainerState s) {
 			base.PreAwake(s);
 #if UNITY_5_6_OR_NEWER
-			a_head.SetPositionAndRotation(Position = GetFramePoint(s.Parent, s.Track), Rotation = GetFrameRotation(s.Parent, s.Track));
+			a_head.Transform.SetPositionAndRotation(Position = GetFramePoint(s.Parent, s.Track), Rotation = GetFrameRotation(s.Parent, s.Track));
 #else
-			a_head.position = Position = GetFramePoint(s.Parent, s.Track);
-			a_head.rotation = Rotation = GetFrameRotation(s.Parent, s.Track);
+			a_head.Transform.position = Position = GetFramePoint(s.Parent, s.Track);
+			a_head.Transform.rotation = Rotation = GetFrameRotation(s.Parent, s.Track);
 #endif
 		}
 		protected override void Awake(ContainerState s) {
 			base.Awake(s);
 			if (s.CloneType == 2) {
 				if (!gogroup) return;
-				Chart.Note tev = Event;
-				if (tev.IsLong) {
+				if (Event.IsLong) {
 					foreach (var i in sgos) {
 						i.Reset();
 						i.AppendPoint(Position, Rotation);
@@ -54,8 +101,8 @@ namespace Cryville.Crtr {
 #if UNITY_5_6_OR_NEWER
 					gogroup.SetPositionAndRotation(Position, Rotation);
 #else
-				gogroup.position = Position;
-				gogroup.rotation = Rotation;
+					gogroup.position = Position;
+					gogroup.rotation = Rotation;
 #endif
 				}
 			}
@@ -63,13 +110,11 @@ namespace Cryville.Crtr {
 
 		public override void Update(ContainerState s, StampedEvent ev) {
 			base.Update(s, ev);
-			if (s.CloneType == 1) {
-				Position = GetFramePoint(bs.Parent, bs.Track);
-				Rotation = GetFrameRotation(bs.Parent, bs.Track);
+			if (s.CloneType <= 2) {
+				Position = GetFramePoint(s.Parent, s.Track);
+				Rotation = GetFrameRotation(s.Parent, s.Track);
 			}
-			else if (s.CloneType == 2) {
-				Position = GetFramePoint(ts.Parent, ts.Track);
-				Rotation = GetFrameRotation(ts.Parent, ts.Track);
+			if (s.CloneType == 2) {
 				if (!gogroup) return;
 				Chart.Note tev = Event;
 				if (tev.IsLong) {
@@ -81,31 +126,35 @@ namespace Cryville.Crtr {
 				if (ev == null) { }
 				else if (ev.Unstamped == null) { }
 				else if (ev.Unstamped is Chart.Judge) {
-					var tev = (Chart.Judge)ev.Unstamped;
-					Identifier name = default(Identifier);
-					ChartPlayer.etor.ContextEvent = tev;
+					ChartPlayer.etor.ContextEvent = ev.Unstamped;
 					ChartPlayer.etor.ContextState = s;
-					ChartPlayer.etor.Evaluate(new PropOp.Identifier(v => name = new Identifier(v)), ruleset.judges[tev.Id].input);
-					judge.Prepare(ev.Time, ev.Time + ev.Duration, name, ruleset.judges[tev.Id], cs);
+					judge.Prepare(ev, this);
 					ChartPlayer.etor.ContextState = null;
 					ChartPlayer.etor.ContextEvent = null;
 				}
 			}
 		}
 
+		public override void Anchor() {
+			base.Anchor();
+			foreach (var j in judges.Values) {
+				if (!j.Judged) continue;
+				PushAnchorEvent(j.AbsoluteTime, j.DynamicAnchors.Absolute);
+				PushAnchorEvent(j.RelativeTime + cs.Time, j.DynamicAnchors.Relative);
+			}
+		}
+
 		public override void EndUpdate(ContainerState s) {
 			if (s.CloneType == 2 && gogroup) {
 				foreach (var i in sgos) i.Seal();
 #if UNITY_5_6_OR_NEWER
-				a_tail.SetPositionAndRotation(GetFramePoint(ts.Parent, ts.Track), Quaternion.Euler(ts.Direction));
+				a_tail.Transform.SetPositionAndRotation(GetFramePoint(ts.Parent, ts.Track), Quaternion.Euler(ts.Direction));
 #else
-				a_tail.position = GetFramePoint(ts.Parent, ts.Track);
-				a_tail.rotation = Quaternion.Euler(ts.Direction);
+				a_tail.Transform.position = GetFramePoint(ts.Parent, ts.Track);
+				a_tail.Transform.rotation = Quaternion.Euler(ts.Direction);
 #endif
 			}
-			OpenAnchor("tail");
 			base.EndUpdate(s);
-			CloseAnchor("tail");
 		}
 		
 		Vector3 GetFramePoint(ContainerState state, float track) {
@@ -117,7 +166,7 @@ namespace Cryville.Crtr {
 			return Quaternion.LookRotation(r, state.Normal);
 		}
 
-		List<Vector3> ctrl = new List<Vector3>(2);
+		readonly List<Vector3> ctrl = new List<Vector3>(2);
 		Vector3 GetFrame(ContainerState state, float track, Func<ContainerState, Vector3> func) {
 			// TODO
 			int id = Mathf.FloorToInt(track);
@@ -162,5 +211,11 @@ namespace Cryville.Crtr {
 				}
 			}
 		}
+
+		public void ReportJudge(Judge.JudgeEvent ev, float time, Identifier result) {
+			JudgeState state;
+			if (!judges.TryGetValue(ev.BaseEvent, out state)) return;
+			state.MarkJudged(time, (float)(ev.StartTime - time), result.Key);
+		}
 	}
 }

Assets/Cryville/Crtr/PdtEvaluator.cs

@@ -11,16 +11,19 @@ namespace Cryville.Crtr {
 		static readonly Dictionary<PdtOperatorSignature, PdtOperator> _shortops = new Dictionary<PdtOperatorSignature, PdtOperator>();
 		readonly Dictionary<int, PdtOperator> _ctxops = new Dictionary<int, PdtOperator>();
 
+		static readonly byte[] _nullbuf = new byte[0];
 		readonly byte[] _numbuf = new byte[4];
 		static readonly int _var_w = IdentifierManager.SharedInstance.Request("w");
 		static readonly int _var_h = IdentifierManager.SharedInstance.Request("h");
 		static readonly int _var_true = IdentifierManager.SharedInstance.Request("true");
 		static readonly int _var_false = IdentifierManager.SharedInstance.Request("false");
-		protected override void GetVariable(int name, out int type, out byte[] value) {
+		static readonly int _var_null = IdentifierManager.SharedInstance.Request("null");
+		protected override void GetVariable(int name, bool forced, out int type, out byte[] value) {
 			if (name == _var_w) { LoadNum(ChartPlayer.hitRect.width); type = PdtInternalType.Number; value = _numbuf; }
 			else if (name == _var_h) { LoadNum(ChartPlayer.hitRect.height); type = PdtInternalType.Number; value = _numbuf; }
 			else if (name == _var_true) { LoadNum(1); type = PdtInternalType.Number; value = _numbuf; }
 			else if (name == _var_false) { LoadNum(0); type = PdtInternalType.Number; value = _numbuf; }
+			else if (name == _var_null) { LoadIdent(0); type = PdtInternalType.Undefined; value = _numbuf; }
 			else {
 				var id = new Identifier(name);
 				PropSrc prop;
@@ -29,7 +32,7 @@ namespace Cryville.Crtr {
 				}
 				else if (ContextState != null && ChartPlayer.motionRegistry.ContainsKey(id)) {
 					var vec = ContextState.GetRawValue(id);
-					new VectorSrc(() => vec).Get(out type, out value);
+					VectorSrc.Construct(() => vec).Get(out type, out value);
 				}
 				else if (ContextJudge != null && ContextJudge.TryGetScoreSrc(name, out prop)) {
 					prop.Get(out type, out value);
@@ -40,10 +43,14 @@ namespace Cryville.Crtr {
 					RevokePotentialConstant();
 				}
 				else {
-					PropSrc.Arbitrary result = ContextCascadeLookup(name);
+					PropSrc result = ContextCascadeLookup(name);
 					if (result != null) {
 						result.Get(out type, out value);
 					}
+					else if (forced) {
+						type = PdtInternalType.Error;
+						value = _nullbuf;
+					}
 					else {
 						type = PdtInternalType.Undefined;
 						LoadIdent(name);
@@ -84,9 +91,10 @@ namespace Cryville.Crtr {
 		static readonly int _colop_and = IdentifierManager.SharedInstance.Request("&");
 		static readonly int _colop_or = IdentifierManager.SharedInstance.Request("|");
 		protected override bool Collapse(int name, PdtVariableMemory param) {
+			if (param.Type == PdtInternalType.Error) throw new ArgumentException("Error");
 			if (name == _colop_and) return param.Type == PdtInternalType.Number && param.AsNumber() <= 0;
 			else if (name == _colop_or) return param.Type != PdtInternalType.Number || param.AsNumber() > 0;
-			else throw new KeyNotFoundException(string.Format("Undefined collapse operator {0}", name));
+			else throw new KeyNotFoundException(string.Format("Undefined collapse operator {0}", IdentifierManager.SharedInstance.Retrieve(name)));
 		}
 
 		public ChartEvent ContextEvent { private get; set; }
@@ -95,18 +103,22 @@ namespace Cryville.Crtr {
 		public Judge ContextJudge { private get; set; }
 		public PropSrc ContextSelfValue { private get; set; }
 
-		readonly Dictionary<int, PropSrc.Arbitrary>[] ContextCascade = new Dictionary<int, PropSrc.Arbitrary>[256];
+		readonly Dictionary<int, PropSrc>[] ContextCascade = new Dictionary<int, PropSrc>[256];
 		int _cascadeHeight;
 		public void ContextCascadeInsert() {
 			ContextCascade[_cascadeHeight++].Clear();
 		}
-		public void ContextCascadeUpdate(int key, PropSrc.Arbitrary value) {
+		public void ContextCascadeInsert(Dictionary<int, PropSrc> srcs) {
+			ContextCascadeInsert();
+			foreach (var src in srcs) ContextCascadeUpdate(src.Key, src.Value);
+		}
+		public void ContextCascadeUpdate(int key, PropSrc value) {
 			ContextCascade[_cascadeHeight - 1][key] = value;
 		}
-		public PropSrc.Arbitrary ContextCascadeLookup(int name) {
-			PropSrc.Arbitrary result;
+		public PropSrc ContextCascadeLookup(int name) {
+			PropSrc result;
 			for (int i = _cascadeHeight - 1; i >= 0; i--) {
-				Dictionary<int, PropSrc.Arbitrary> cas = ContextCascade[i];
+				Dictionary<int, PropSrc> cas = ContextCascade[i];
 				if (cas.TryGetValue(name, out result)) {
 					return result;
 				}
@@ -118,7 +130,7 @@ namespace Cryville.Crtr {
 		}
 
 		public PdtEvaluator() {
-			for (int i = 0; i < ContextCascade.Length; i++) ContextCascade[i] = new Dictionary<int, PropSrc.Arbitrary>();
+			for (int i = 0; i < ContextCascade.Length; i++) ContextCascade[i] = new Dictionary<int, PropSrc>();
 
 			_ctxops.Add(IdentifierManager.SharedInstance.Request("screen_edge"), new func_screen_edge(() => ContextTransform));
 			_ctxops.Add(IdentifierManager.SharedInstance.Request("int"), new func_int(() => ContextSelfValue));
@@ -154,6 +166,7 @@ namespace Cryville.Crtr {
 
 			_shortops.Add(new PdtOperatorSignature("frame_seq", 3), new func_frame_seq());
 			_shortops.Add(new PdtOperatorSignature("in_area", 1), new func_in_area());
+			_shortops.Add(new PdtOperatorSignature("is", 2), new func_is());
 		}
 		#region Operators
 #pragma warning disable IDE1006
@@ -336,6 +349,17 @@ namespace Cryville.Crtr {
 				hit.CopyTo(ret);
 			}
 		}
+		class func_is : PdtOperator {
+			public func_is() : base(2) { }
+			protected override unsafe void Execute() {
+				var op0 = GetOperand(0);
+				if (op0.Type == PdtInternalType.Error) throw new ArgumentException("Error");
+				var op1 = GetOperand(1);
+				if (op1.Type == PdtInternalType.Error) throw new ArgumentException("Error");
+				var ret = GetReturnFrame(PdtInternalType.Number, sizeof(float));
+				ret.SetNumber(op0.Equals(op1) ? 1 : 0);
+			}
+		}
 		#endregion
 		#region Contextual Functions
 		class func_screen_edge : PdtOperator {

Assets/Cryville/Crtr/PropOp.cs

@@ -72,19 +72,21 @@ namespace Cryville.Crtr {
 		public class Enum<T> : PropOp {
 			readonly static Dictionary<int, int> _cache = new Dictionary<int, int>();
 			readonly Action<T> _cb;
-			public Enum(Action<T> cb) {
+			readonly Func<int, T> _caster;
+			public Enum(Action<T> cb, Func<int, T> caster) {
 				if (!typeof(T).IsEnum)
 					throw new ArgumentException("Type is not enum");
 				var names = typeof(T).GetFields(BindingFlags.Public | BindingFlags.Static);
 				for (int i = 0; i < names.Length; i++)
 					_cache[IdentifierManager.SharedInstance.Request(names[i].Name)] = Convert.ToInt32(names[i].GetValue(null));
 				_cb = cb;
+				_caster = caster;
 			}
 			protected override void Execute() {
 				int result = 0;
 				for (int i = 0; i < LoadedOperandCount; i++)
 					result |= _cache[GetOperand(0).AsIdentifier()];
-				_cb((T)(object)result);
+				_cb(_caster(result));
 			}
 		}
 		public class BeatTime : PropOp {

Assets/Cryville/Crtr/PropSrc.cs

@@ -4,52 +4,60 @@ using RBeatTime = Cryville.Crtr.BeatTime;
 
 namespace Cryville.Crtr {
 	public abstract class PropSrc {
-		int _type;
-		byte[] _buf = null;
-		public virtual void Invalidate() { _buf = null; }
-		public void Get(out int type, out byte[] value) {
-			if (_buf == null) InternalGet(out _type, out _buf);
-			type = _type;
-			value = _buf;
+		public int Type { get; private set; }
+		public PropSrc(int type) {
+			Type = type;
 		}
-		protected abstract void InternalGet(out int type, out byte[] value);
+		protected byte[] buf = null;
+		protected virtual bool Invalidated { get { return buf == null; } }
+		public virtual void Invalidate() { buf = null; }
+		public void Get(out int type, out byte[] value) {
+			if (Invalidated) InternalGet();
+			type = Type;
+			value = buf;
+		}
+		protected abstract void InternalGet();
 		public class Arbitrary : PropSrc {
-			public int Type { get; private set; }
 			readonly byte[] _value;
-			public Arbitrary(int type, byte[] value) {
-				Type = type;
+			public Arbitrary(int type, byte[] value) : base(type) {
 				_value = value;
 			}
-			protected override void InternalGet(out int type, out byte[] value) {
-				type = Type;
-				value = _value;
+			protected override void InternalGet() {
+				buf = _value;
 			}
 		}
 		public class Boolean : PropSrc {
 			readonly Func<bool> _cb;
-			public Boolean(Func<bool> cb) { _cb = cb; }
-			protected override void InternalGet(out int type, out byte[] value) {
-				type = PdtInternalType.Number;
-				value = new byte[] { _cb() ? (byte)1 : (byte)0, 0, 0, 0 };
+			bool m_invalidated = true;
+			protected override bool Invalidated { get { return m_invalidated; } }
+			public override void Invalidate() { m_invalidated = true; }
+			public Boolean(Func<bool> cb) : base(PdtInternalType.Number) { _cb = cb; buf = new byte[4]; }
+			protected override void InternalGet() {
+				m_invalidated = false;
+				buf[0] = _cb() ? (byte)1 : (byte)0;
 			}
 		}
 		public class Float : PropSrc {
 			readonly Func<float> _cb;
-			public Float(Func<float> cb) { _cb = cb; }
-			protected override void InternalGet(out int type, out byte[] value) {
-				type = PdtInternalType.Number;
-				value = BitConverter.GetBytes(_cb());
+			bool m_invalidated = true;
+			protected override bool Invalidated { get { return m_invalidated; } }
+			public override void Invalidate() { m_invalidated = true; }
+			public Float(Func<float> cb) : base(PdtInternalType.Number) { _cb = cb; buf = new byte[4]; }
+			protected override unsafe void InternalGet() {
+				m_invalidated = false;
+				fixed (byte* _ptr = buf) {
+					*(float*)_ptr = _cb();
+				}
 			}
 		}
 		public class String : PropSrc {
 			readonly Func<string> _cb;
-			public String(Func<string> cb) { _cb = cb; }
-			protected override unsafe void InternalGet(out int type, out byte[] value) {
-				type = PdtInternalType.String;
+			public String(Func<string> cb) : base(PdtInternalType.String) { _cb = cb; }
+			protected override unsafe void InternalGet() {
 				var v = _cb();
 				int strlen = v.Length;
-				value = new byte[strlen * sizeof(char) + sizeof(int)];
-				fixed (byte* _ptr = value) {
+				buf = new byte[strlen * sizeof(char) + sizeof(int)];
+				fixed (byte* _ptr = buf) {
 					char* ptr = (char*)(_ptr + sizeof(int));
 					*(int*)_ptr = strlen;
 					int i = 0;
@@ -59,20 +67,18 @@ namespace Cryville.Crtr {
 		}
 		public class Identifier : PropSrc {
 			readonly Func<int> _cb;
-			public Identifier(Func<int> cb) { _cb = cb; }
-			protected override void InternalGet(out int type, out byte[] value) {
-				type = PdtInternalType.Undefined;
-				value = BitConverter.GetBytes(_cb());
+			public Identifier(Func<int> cb) : base(PdtInternalType.Undefined) { _cb = cb; }
+			protected override void InternalGet() {
+				buf = BitConverter.GetBytes(_cb());
 			}
 		}
 		public class BeatTime : PropSrc {
 			readonly Func<RBeatTime> _cb;
-			public BeatTime(Func<RBeatTime> cb) { _cb = cb; }
-			protected override unsafe void InternalGet(out int type, out byte[] value) {
+			public BeatTime(Func<RBeatTime> cb) : base(PdtInternalType.Vector) { _cb = cb; }
+			protected override unsafe void InternalGet() {
 				var bt = _cb();
-				type = PdtInternalType.Vector;
-				value = new byte[4 * sizeof(int)];
-				fixed (byte* _ptr = value) {
+				buf = new byte[4 * sizeof(int)];
+				fixed (byte* _ptr = buf) {
 					int* ptr = (int*)_ptr;
 					*ptr++ = bt.b;
 					*ptr++ = bt.n;

Assets/Cryville/Crtr/Settings.cs

@@ -34,6 +34,17 @@ namespace Cryville.Crtr {
 			}
 		}
 
+		[Category("gameplay")]
+		[Range(-1, 5)]
+		public int ForceSyncFrames {
+			get {
+				return PlayerPrefs.GetInt("ForceSyncFrames", 5);
+			}
+			set {
+				PlayerPrefs.SetInt("ForceSyncFrames", value);
+			}
+		}
+
 		[Browsable(false)]
 		[Category("data")]
 		[Description("The directory where the game files are stored.")]

Assets/Cryville/Crtr/SkinContainer.cs

@@ -1,3 +1,4 @@
+using Cryville.Common;
 using Cryville.Common.Pdt;
 using Cryville.Crtr.Components;
 using Cryville.Crtr.Event;
@@ -11,100 +12,157 @@ namespace Cryville.Crtr {
 		readonly PdtSkin skin;
 		readonly List<DynamicProperty> dynprops = new List<DynamicProperty>();
 		struct DynamicProperty {
-			public Transform Anchor { get; set; }
+			public RuntimeSkinContext Context { get; set; }
 			public SkinPropertyKey Key { get; set; }
 			public PdtExpression Value { get; set; }
 		}
 		readonly List<DynamicElement> dynelems = new List<DynamicElement>();
 		struct DynamicElement {
-			public Transform Anchor { get; set; }
+			public RuntimeSkinContext Context { get; set; }
 			public SkinSelectors Selectors { get; set; }
 			public SkinElement Element { get; set; }
 		}
 		public SkinContainer(PdtSkin _skin) {
 			skin = _skin;
 		}
-		public void MatchStatic(ContainerState context) {
+		public void MatchStatic(ContainerState state) {
 			dynprops.Clear(); dynelems.Clear();
-			ChartPlayer.etor.ContextState = context;
-			ChartPlayer.etor.ContextEvent = context.Container;
-			MatchStatic(skin, context, context.Handler.gogroup);
+			ChartPlayer.etor.ContextState = state;
+			ChartPlayer.etor.ContextEvent = state.Container;
+			MatchStatic(skin, state, new RuntimeSkinContext(state.Handler.SkinContext));
 			ChartPlayer.etor.ContextEvent = null;
 			ChartPlayer.etor.ContextState = null;
 		}
-		void MatchStatic(SkinElement rel, ContainerState context, Transform anchor = null) {
-			ChartPlayer.etor.ContextTransform = anchor;
+		void MatchStatic(SkinElement rel, ContainerState state, RuntimeSkinContext ctx) {
+			var rc = ctx.ReadContext;
+			ChartPlayer.etor.ContextTransform = rc.Transform;
+			if (rc.PropSrcs != null) ChartPlayer.etor.ContextCascadeInsert(rc.PropSrcs);
 			foreach (var p in rel.properties) {
 				if (p.Key.Name == 0)
-					anchor.gameObject.AddComponent(p.Key.Component);
+					rc.Transform.gameObject.AddComponent(p.Key.Component);
 				else {
-					ChartPlayer.etor.Evaluate(GetPropOp(anchor, p.Key).Operator, p.Value);
+					ChartPlayer.etor.Evaluate(GetPropOp(ctx.WriteTransform, p.Key).Operator, p.Value);
 					if (!p.Value.IsConstant) dynprops.Add(
-						new DynamicProperty { Anchor = anchor, Key = p.Key, Value = p.Value }
+						new DynamicProperty { Context = ctx, Key = p.Key, Value = p.Value }
 					);
 				}
 			}
 			ChartPlayer.etor.ContextTransform = null;
 			foreach (var r in rel.elements) {
 				try {
-					var new_anchor = r.Key.MatchStatic(context, anchor);
-					if (new_anchor != null) {
-						MatchStatic(r.Value, context, new_anchor);
+					var nctxs = r.Key.MatchStatic(state, rc);
+					var roflag = r.Key.annotations.Contains("if");
+					var woflag = r.Key.annotations.Contains("then");
+					foreach (var nctx in nctxs) {
+						var nrctx = new RuntimeSkinContext(nctx, ctx, roflag, woflag);
+						MatchStatic(r.Value, state, nrctx);
 					}
 				}
-				catch (SelectorNotStaticException) {
+				catch (SelectorNotAvailableException) {
 					dynelems.Add(
-						new DynamicElement { Anchor = anchor, Selectors = r.Key, Element = r.Value }
+						new DynamicElement { Context = ctx, Selectors = r.Key, Element = r.Value }
 					);
 				}
 			}
+			if (rc.PropSrcs != null) ChartPlayer.etor.ContextCascadeDiscard();
 		}
-		public void MatchDynamic(ContainerState context) {
+		public void MatchDynamic(ContainerState state) {
 			if (dynprops.Count == 0 && dynelems.Count == 0) return;
 			Profiler.BeginSample("SkinContainer.MatchDynamic");
-			ChartPlayer.etor.ContextState = context;
-			ChartPlayer.etor.ContextEvent = context.Container;
+			ChartPlayer.etor.ContextState = state;
+			ChartPlayer.etor.ContextEvent = state.Container;
 			for (int i = 0; i < dynprops.Count; i++) {
 				DynamicProperty p = dynprops[i];
-				var prop = GetPropOp(p.Anchor, p.Key);
-				if (context.CloneType > prop.UpdateCloneType) continue;
+				var psrcs = p.Context.ReadContext.PropSrcs;
+				if (psrcs != null) ChartPlayer.etor.ContextCascadeInsert(psrcs);
+				var prop = GetPropOp(p.Context.WriteTransform, p.Key);
+				if (state.CloneType > prop.UpdateCloneType) continue;
 				ChartPlayer.etor.Evaluate(prop.Operator, p.Value);
+				if (psrcs != null) ChartPlayer.etor.ContextCascadeDiscard();
 			}
 			for (int i = 0; i < dynelems.Count; i++) {
 				DynamicElement e = dynelems[i];
-				var anchor = e.Selectors.MatchDynamic(context, e.Anchor);
-				if (anchor != null) MatchDynamic(e.Element, context, anchor);
+				var psrcs = e.Context.ReadContext.PropSrcs;
+				if (psrcs != null) ChartPlayer.etor.ContextCascadeInsert(psrcs);
+				var nctx = e.Selectors.MatchDynamic(state, e.Context.ReadContext);
+				if (nctx != null) MatchDynamic(e.Element, state, new RuntimeSkinContext(
+					nctx, e.Context, e.Selectors.annotations.Contains("if"), e.Selectors.annotations.Contains("then")
+				));
+				if (psrcs != null) ChartPlayer.etor.ContextCascadeDiscard();
 			}
 			ChartPlayer.etor.ContextEvent = null;
 			ChartPlayer.etor.ContextState = null;
 			Profiler.EndSample();
 		}
-		void MatchDynamic(SkinElement rel, ContainerState context, Transform anchor = null) {
-			ChartPlayer.etor.ContextTransform = anchor;
+		void MatchDynamic(SkinElement rel, ContainerState state, RuntimeSkinContext ctx) {
+			var rc = ctx.ReadContext;
+			ChartPlayer.etor.ContextTransform = rc.Transform;
+			if (rc.PropSrcs != null) ChartPlayer.etor.ContextCascadeInsert(rc.PropSrcs);
 			foreach (var p in rel.properties) {
 				if (p.Key.Name == 0)
 					throw new InvalidOperationException("Component creation in dynamic context is not allowed");
-				var prop = GetPropOp(anchor, p.Key);
-				if (context.CloneType > prop.UpdateCloneType) continue;
+				var prop = GetPropOp(ctx.WriteTransform, p.Key);
+				if (state.CloneType > prop.UpdateCloneType) continue;
 				ChartPlayer.etor.Evaluate(prop.Operator, p.Value);
 			}
 			ChartPlayer.etor.ContextTransform = null;
 			foreach (var r in rel.elements) {
-				if (!r.Key.IsUpdatable(context)) continue;
-				var new_anchor = r.Key.MatchDynamic(context, anchor);
-				if (new_anchor != null) {
-					MatchDynamic(r.Value, context, new_anchor);
-				}
+				if (!r.Key.IsUpdatable(state)) continue;
+				var nctx = r.Key.MatchDynamic(state, rc);
+				if (nctx != null) MatchDynamic(r.Value, state, new RuntimeSkinContext(
+					nctx, ctx, r.Key.annotations.Contains("if"), r.Key.annotations.Contains("then")
+				));
 			}
+			if (rc.PropSrcs != null) ChartPlayer.etor.ContextCascadeDiscard();
 		}
 		SkinProperty GetPropOp(Transform obj, SkinPropertyKey key) {
 			var ctype = key.Component;
 			var comp = (SkinComponent)obj.GetComponent(ctype);
-			if (comp == null) throw new InvalidOperationException("Component instance not found");
+			if (comp == null) throw new InvalidOperationException(string.Format(
+				"Trying to set property {0} but the component is not found",
+				IdentifierManager.SharedInstance.Retrieve(key.Name)
+			));
 			SkinProperty result;
 			if (!comp.Properties.TryGetValue(key.Name, out result))
-				throw new ArgumentException(string.Format("Property {0} not found on component", key.Name));
+				throw new ArgumentException(string.Format(
+					"Property {0} not found on component",
+					IdentifierManager.SharedInstance.Retrieve(key.Name)
+				));
 			return result;
 		}
 	}
+	public class SkinContext {
+		public Transform Transform { get; private set; }
+		public Dictionary<int, PropSrc> PropSrcs { get; private set; }
+		public SkinContext(Transform transform, Dictionary<int, PropSrc> propSrcs = null) {
+			Transform = transform;
+			PropSrcs = propSrcs;
+		}
+	}
+	public struct RuntimeSkinContext {
+		public SkinContext ReadContext { get; private set; }
+		public Transform WriteTransform { get; private set; }
+		public RuntimeSkinContext(SkinContext rw) {
+			ReadContext = rw;
+			WriteTransform = rw.Transform;
+		}
+		public RuntimeSkinContext(SkinContext r, Transform w) {
+			ReadContext = r;
+			WriteTransform = w;
+		}
+		public RuntimeSkinContext(SkinContext newctx, RuntimeSkinContext oldctx, bool roflag, bool woflag) {
+			if (roflag) {
+				ReadContext = newctx;
+				WriteTransform = oldctx.WriteTransform;
+			}
+			else if (woflag) {
+				ReadContext = oldctx.ReadContext;
+				WriteTransform = newctx.Transform;
+			}
+			else {
+				ReadContext = newctx;
+				WriteTransform = newctx.Transform;
+			}
+		}
+	}
 }

Assets/Cryville/Crtr/SkinInterpreter.cs

@@ -28,7 +28,7 @@ namespace Cryville.Crtr {
 						GetChar();
 						if (cc == '.') {
 							GetChar();
-							s.Add(new SkinSelector.State(GetIdentifier()));
+							s.Add(new SkinSelector.AtAnchor(GetIdentifier()));
 							key = null;
 						}
 						else {

Assets/Cryville/Crtr/SkinSelectors.cs

@@ -1,3 +1,4 @@
+using Cryville.Common;
 using Cryville.Common.Pdt;
 using Cryville.Crtr.Components;
 using Cryville.Crtr.Event;
@@ -6,15 +7,16 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Runtime.Serialization;
 using UnityEngine;
+using CAnchor = Cryville.Crtr.Anchor;
 
 namespace Cryville.Crtr {
 	public class SkinSelectors {
 		readonly SkinSelector[] selectors;
-		readonly string[] annotations;
+		public readonly HashSet<string> annotations;
 
 		public SkinSelectors(IEnumerable<SkinSelector> s, IEnumerable<string> a) {
 			selectors = s.ToArray();
-			annotations = a.ToArray();
+			annotations = a.ToHashSet();
 		}
 		public override string ToString() {
 			if (selectors.Length == 0) return "";
@@ -35,72 +37,71 @@ namespace Cryville.Crtr {
 				selectors[i].Optimize(etor);
 			}
 		}
-		public bool IsStatic {
-			get {
-				foreach (var s in selectors) {
-					if (!s.IsStatic) return false;
-				}
-				return true;
-			}
-		}
-		public Transform MatchStatic(ContainerState h, Transform anchor) {
+		public IEnumerable<SkinContext> MatchStatic(ContainerState h, SkinContext ctx) {
+			IEnumerable<SkinContext> result = new SkinContext[] { ctx };
 			foreach (var s in selectors) {
-				anchor = s.Match(h, anchor);
-				if (anchor == null) return null;
+				result = result.SelectMany(l => s.MatchStatic(h, l));
 			}
-			return anchor;
+			return result;
 		}
 		public bool IsUpdatable(ContainerState h) {
 			foreach (var s in selectors)
 				if (!s.IsUpdatable(h)) return false;
 			return true;
 		}
-		public Transform MatchDynamic(ContainerState h, Transform anchor) {
+		public SkinContext MatchDynamic(ContainerState h, SkinContext ctx) {
 			foreach (var s in selectors) {
-				anchor = s.Match(h, anchor, true);
-				if (anchor == null) return null;
+				ctx = s.MatchDynamic(h, ctx);
+				if (ctx == null) return null;
 			}
-			return anchor;
+			return ctx;
 		}
 	}
 
 	public abstract class SkinSelector {
 		protected SkinSelector() { }
-		public abstract bool IsStatic {
-			get;
-		}
 		public virtual void Optimize(PdtEvaluatorBase etor) { }
-		public abstract Transform Match(ContainerState h, Transform a, bool dyn = false);
+		public virtual IEnumerable<SkinContext> MatchStatic(ContainerState h, SkinContext c) { throw new SelectorNotAvailableException(); }
+		public virtual SkinContext MatchDynamic(ContainerState h, SkinContext c) { throw new SelectorNotAvailableException(); }
 		public virtual bool IsUpdatable(ContainerState h) {
 			return true;
 		}
 		public class CreateObject : SkinSelector {
 			public CreateObject() { }
-			public override bool IsStatic {
-				get { return true; }
-			}
-			public override Transform Match(ContainerState h, Transform a, bool dyn = false) {
-				if (dyn) throw new InvalidOperationException("Object creation in dynamic context is not allowed");
+			public override IEnumerable<SkinContext> MatchStatic(ContainerState h, SkinContext c) {
 				var obj = new GameObject("__obj__");
-				obj.transform.SetParent(a, false);
+				obj.transform.SetParent(c.Transform, false);
 				obj.AddComponent<TransformInterface>();
-				return obj.transform;
+				return new SkinContext[] { new SkinContext(obj.transform) };
 			}
 		}
 		public class Anchor : SkinSelector {
-			public string Name { get; private set; }
+			public int Name { get; private set; }
 			public Anchor(string name) {
-				Name = name;
-			}
-			public override bool IsStatic {
-				get { return true; }
+				Name = IdentifierManager.SharedInstance.Request(name);
 			}
 
-			public override Transform Match(ContainerState h, Transform a, bool dyn = false) {
-				return h.Handler.Anchors[Name].Transform;
+			public override IEnumerable<SkinContext> MatchStatic(ContainerState h, SkinContext c) {
+				List<CAnchor> anchors;
+				if (h.Handler.Anchors.TryGetValue(Name, out anchors)) {
+					return anchors.Select(a => a.SkinContext);
+				}
+				else return Enumerable.Empty<SkinContext>();
 			}
 			public override bool IsUpdatable(ContainerState h) {
-				return h.Handler.Anchors[Name].Opened;
+				return h.Handler.OpenedAnchor != null && h.Handler.OpenedAnchor.Name == Name;
+			}
+		}
+		public class AtAnchor : SkinSelector {
+			public int Name { get; private set; }
+			public AtAnchor(string name) {
+				Name = IdentifierManager.SharedInstance.Request(name);
+			}
+			public override SkinContext MatchDynamic(ContainerState h, SkinContext c) {
+				return IsUpdatable(h) ? c : null;
+			}
+			public override bool IsUpdatable(ContainerState h) {
+				return h.Handler.OpenedAnchor != null && h.Handler.OpenedAnchor.Name == Name;
 			}
 		}
 		public class Property : SkinSelector {
@@ -114,17 +115,22 @@ namespace Cryville.Crtr {
 			public override void Optimize(PdtEvaluatorBase etor) {
 				etor.Optimize(_exp);
 			}
-			public override bool IsStatic {
-				get { return _exp.IsConstant; }
+			public override IEnumerable<SkinContext> MatchStatic(ContainerState h, SkinContext c) {
+				var result = Match(c);
+				if (result != null) return new SkinContext[] { result };
+				else return Enumerable.Empty<SkinContext>();
 			}
-			public override Transform Match(ContainerState h, Transform a, bool dyn = false) {
-				ChartPlayer.etor.ContextTransform = a;
+			public override SkinContext MatchDynamic(ContainerState h, SkinContext c) {
+				return Match(c);
+			}
+			public SkinContext Match(SkinContext a) {
+				ChartPlayer.etor.ContextTransform = a.Transform;
 				try {
 					ChartPlayer.etor.Evaluate(_op, _exp);
 					return _flag ? a : null;
 				}
-				catch (Exception) {
-					throw new SelectorNotStaticException();
+				catch (Exception ex) {
+					throw new SelectorNotAvailableException("The expression is not evaluatable under the current context", ex);
 				}
 				finally {
 					ChartPlayer.etor.ContextTransform = null;
@@ -133,28 +139,22 @@ namespace Cryville.Crtr {
 		}
 		public class State : SkinSelector {
 			public State(string state) { }
-			public override bool IsStatic {
-				get { return false; }
-			}
-			public override Transform Match(ContainerState h, Transform a, bool dyn = false) {
-				return null; // TODO
+			public override SkinContext MatchDynamic(ContainerState h, SkinContext c) {
+				return null;
 			}
 		}
 		public class ElementType : SkinSelector {
 			readonly string _type;
 			public ElementType(string type) { _type = type; }
-			public override bool IsStatic {
-				get { return true; }
-			}
-			public override Transform Match(ContainerState h, Transform a, bool dyn = false) {
-				return h.Handler.TypeName == _type ? a : null;
+			public override IEnumerable<SkinContext> MatchStatic(ContainerState h, SkinContext c) {
+				return h.Handler.TypeName == _type ? new SkinContext[] { c } : Enumerable.Empty<SkinContext>();
 			}
 		}
 	}
-	public class SelectorNotStaticException : Exception {
-		public SelectorNotStaticException() : base("The selector is not static") { }
-		public SelectorNotStaticException(string message) : base(message) { }
-		public SelectorNotStaticException(string message, Exception innerException) : base(message, innerException) { }
-		protected SelectorNotStaticException(SerializationInfo info, StreamingContext context) : base(info, context) { }
+	public class SelectorNotAvailableException : Exception {
+		public SelectorNotAvailableException() : base("The selector is not available under the current context") { }
+		public SelectorNotAvailableException(string message) : base(message) { }
+		public SelectorNotAvailableException(string message, Exception innerException) : base(message, innerException) { }
+		protected SelectorNotAvailableException(SerializationInfo info, StreamingContext context) : base(info, context) { }
 	}
 }

Assets/Cryville/Crtr/SpriteFrame.cs

@@ -3,32 +3,18 @@ using UnityEngine;
 
 namespace Cryville.Crtr {
 	public class SpriteFrame {
-#pragma warning disable IDE1006
-		Rect _frame;
-		public Rect frame {
-			get { return _frame; }
-			set { _frame = value; }
-		}
-		public Rect textureRect {
-			get { return _frame; }
-			set { _frame = value; }
+		Rect m_frame;
+		public Rect Frame {
+			get { return m_frame; }
+			set { m_frame = value; }
 		}
 
-		bool _rotated = false;
-		public bool rotated {
-			get { return _rotated; }
-			set { _rotated = value; }
+		bool m_rotated = false;
+		public bool Rotated {
+			get { return m_rotated; }
+			set { m_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 {
@@ -41,7 +27,7 @@ namespace Cryville.Crtr {
 				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[]{
+				if (m_rotated) cuv = new Vector2[]{
 						new Vector2(x0, y1),
 						new Vector2(x1, y0),
 						new Vector2(x0, y0),
@@ -79,28 +65,17 @@ namespace Cryville.Crtr {
 		public void Init() {
 			if (Texture == null)
 				throw new InvalidOperationException("Missing texture");
-			_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);
+			m_frame = new Rect(Vector2.zero, Size);
+			var w = m_frame.width;
+			var h = m_frame.height;
+			float x = m_frame.x / w;
+			float y = 1 - m_frame.y / h;
+			float tw = (m_rotated ? m_frame.height : m_frame.width) / w;
+			float th = (m_rotated ? m_frame.width : m_frame.height) / h;
+			if (m_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("Missing texture");
-			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 SpriteFrame() { }
 		public SpriteFrame(Texture2D tex) {
 			Texture = tex;

Assets/Cryville/Crtr/StampedEvent.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using CAnchor = Cryville.Crtr.Anchor;
 
 namespace Cryville.Crtr {
 	public class StampedEvent : IComparable<StampedEvent> {
@@ -9,7 +10,7 @@ namespace Cryville.Crtr {
 		public EventContainer Container;
 		public StampedEvent Origin;
 		public List<StampedEvent> Subevents = new List<StampedEvent>();
-		private StampedEvent attev = null;
+		public List<StampedEvent> Coevents;
 		private StampedEvent relev = null;
 
 		public double Duration {
@@ -28,33 +29,13 @@ namespace Cryville.Crtr {
 			}
 		}
 
-		public class PlaySound : StampedEvent {
-			public new Chart.Sound Unstamped;
+		public class Anchor : StampedEvent {
+			public CAnchor Target;
 			public override int Priority {
 				get { return 0; }
 			}
 		}
 
-		public class Judge : StampedEvent {
-			public float NoteTime;
-			public JudgeDefinition TargetJudge;
-			public Judge StartEvent;
-			public bool IsEndJudge;
-			public override int Priority {
-				get { return StartEvent == null ? 4 : 6; }
-			}
-			protected override int CompareExtra(StampedEvent other) {
-				return Equals(StartEvent, other) ? 1 : 0;
-			}
-		}
-		
-		public StampedEvent AttackEvent {
-			get {
-				if (attev == null) attev = Subevents.FirstOrDefault(ev => ev.Time == this.Time);
-				return attev;
-			}
-		}
-
 		public StampedEvent ReleaseEvent {
 			get {
 				if (relev == null) relev = Subevents.FirstOrDefault(ev => ((InstantEvent)ev.Unstamped).IsRelease);

Assets/Cryville/Crtr/StateBase.cs

@@ -1,71 +1,128 @@
-using System;
 using System.Collections.Generic;
 
 namespace Cryville.Crtr {
+	/// <summary>
+	/// A time-forward handler of a sequence of events.
+	/// </summary>
+	/// <typeparam name="T">The event type.</typeparam>
 	public abstract class StateBase<T> {
-		public int EventId;
-		public double Time;
-		public Chart chart;
-		public List<T> events;
+		/// <summary>
+		/// The current time of the state in seconds.
+		/// </summary>
+		public double Time { get; protected set; }
+		/// <summary>
+		/// The index of the event to be handled next.
+		/// </summary>
+		protected int EventId;
+		/// <summary>
+		/// The event list.
+		/// </summary>
+		protected readonly List<T> Events;
 
 		bool breakflag = false;
 		
-		public StateBase(Chart c, List<T> evs) {
-			chart = c;
-			events = evs;
+		/// <summary>
+		/// Creates an instance of the <see cref="StateBase{T}" /> class.
+		/// </summary>
+		/// <param name="evs">The event list.</param>
+		public StateBase(List<T> evs) {
+			Events = evs;
 			EventId = 0;
 			Time = 0;
 		}
 
+		/// <summary>
+		/// Creates a copy of the current state.
+		/// </summary>
+		/// <returns>A copy of the current state.</returns>
+		/// <remarks>
+		/// <para><see cref="Events" /> is shared across copies.</para>
+		/// </remarks>
 		public virtual StateBase<T> Clone() {
 			return (StateBase<T>)MemberwiseClone();
 		}
 
+		/// <summary>
+		/// Copies the state to another existing state.
+		/// </summary>
+		/// <param name="dest">The state to be overridden.</param>
 		public virtual void CopyTo(StateBase<T> dest) {
-			dest.EventId = EventId;
 			dest.Time = Time;
+			dest.EventId = EventId;
 			dest.breakflag = breakflag;
 		}
 
+		/// <summary>
+		/// Interrupts the forward process.
+		/// </summary>
 		public virtual void Break() {
 			breakflag = true;
 		}
 
-		public void Forward(Action<T> callback = null) {
-			ForwardToTime(double.PositiveInfinity, callback);
+		/// <summary>
+		/// Walks through all the remaining events.
+		/// </summary>
+		public void Forward() {
+			ForwardToTime(double.PositiveInfinity);
 		}
 
-		public void ForwardByTime(double time, Action<T> callback = null) {
-			ForwardToTime(Time + time, callback);
+		/// <summary>
+		/// Forwards the time by the specified span and walks through all the encountered events.
+		/// </summary>
+		/// <param name="time">The span in seconds.</param>
+		public void ForwardByTime(double time) {
+			ForwardToTime(Time + time);
 		}
 
-		public void ForwardOnceByTime(double time, Action<T> callback = null) {
-			ForwardOnceToTime(Time + time, callback);
+		/// <summary>
+		/// Forwards the time by the specified span but walks through at most one event.
+		/// </summary>
+		/// <param name="time">The span in seconds.</param>
+		public void ForwardOnceByTime(double time) {
+			ForwardOnceToTime(Time + time);
 		}
 
-		public void ForwardToTime(double toTime, Action<T> callback = null) {
+		/// <summary>
+		/// Forwards the time to the specified time and walks through all the encountered events.
+		/// </summary>
+		/// <param name="toTime">The time in seconds.</param>
+		public void ForwardToTime(double toTime) {
 			breakflag = false;
-			ForwardOnceToTime(Time, callback);
+			ForwardOnceToTime(Time);
 			while (Time < toTime) {
-				ForwardOnceToTime(toTime, callback);
+				ForwardOnceToTime(toTime);
 				if (breakflag) break;
 			}
 		}
 
-		public void ForwardStepByTime(double time, double step, Action<T> callback = null) {
-			ForwardStepToTime(Time + time, step, callback);
+		/// <summary>
+		/// Forwards the time by the specified span and walks through all the encountered events, with a specified step.
+		/// </summary>
+		/// <param name="time">The span in seconds.</param>
+		/// <param name="step">The step in seconds.</param>
+		public void ForwardStepByTime(double time, double step) {
+			ForwardStepToTime(Time + time, step);
 		}
 
-		public void ForwardStepToTime(double toTime, double step, Action<T> callback = null) {
+		/// <summary>
+		/// Forwards the time to the specified time and walks through all the encountered events, with a specified step.
+		/// </summary>
+		/// <param name="toTime">The time in seconds.</param>
+		/// <param name="step">The step in seconds.</param>
+		public void ForwardStepToTime(double toTime, double step) {
 			breakflag = false;
-			ForwardOnceToTime(Time, callback);
+			ForwardOnceToTime(Time);
 			while (Time < toTime) {
 				double next = Time + step;
-				ForwardOnceToTime(next < toTime ? next : toTime, callback);
+				ForwardOnceToTime(next < toTime ? next : toTime);
 				if (breakflag) break;
 			}
 		}
 
-		public abstract void ForwardOnceToTime(double toTime, Action<T> callback = null);
+		/// <summary>
+		/// Forwards the time to the specified time but walks through at most one event.
+		/// </summary>
+		/// <param name="toTime">The time in seconds.</param>
+		public abstract void ForwardOnceToTime(double toTime);
 	}
 }

Assets/Cryville/Crtr/TrackHandler.cs

@@ -7,8 +7,8 @@ namespace Cryville.Crtr {
 		readonly GroupHandler gh;
 		readonly Chart.Track track;
 
-		public TrackHandler(GroupHandler gh, Chart.Track _track) : base() {
-			track = _track;
+		public TrackHandler(Chart.Track ev, GroupHandler gh) : base() {
+			track = ev;
 			this.gh = gh;
 		}
 		
@@ -32,10 +32,10 @@ namespace Cryville.Crtr {
 			ptime = s.Time;
 			if (s.CloneType == 2) {
 #if UNITY_5_6_OR_NEWER
-				a_head.SetPositionAndRotation(GetCurrentWorldPoint(), Quaternion.Euler(s.Direction));
+				a_head.Transform.SetPositionAndRotation(GetCurrentWorldPoint(), Quaternion.Euler(s.Direction));
 #else
-				a_head.position = GetCurrentWorldPoint();
-				a_head.rotation = Quaternion.Euler(s.Direction);
+				a_head.Transform.position = GetCurrentWorldPoint();
+				a_head.Transform.rotation = Quaternion.Euler(s.Direction);
 #endif
 			}
 			else if (s.CloneType == 3) {
@@ -107,9 +107,7 @@ namespace Cryville.Crtr {
 		}
 
 		public override void EndUpdate(ContainerState s) {
-			OpenAnchor("tail");
 			base.EndUpdate(s);
-			CloseAnchor("tail");
 			if (s.CloneType == 0 || s.CloneType == 2) {
 				EndUpdatePosition(ts);
 				var p = GetCurrentWorldPoint();
@@ -118,10 +116,10 @@ namespace Cryville.Crtr {
 					i.Seal();
 				}
 #if UNITY_5_6_OR_NEWER
-				a_tail.SetPositionAndRotation(GetCurrentWorldPoint(), Quaternion.Euler(ts.Direction));
+				a_tail.Transform.SetPositionAndRotation(GetCurrentWorldPoint(), Quaternion.Euler(ts.Direction));
 #else
-				a_tail.position = GetCurrentWorldPoint();
-				a_tail.rotation = Quaternion.Euler(ts.Direction);
+				a_tail.Transform.position = GetCurrentWorldPoint();
+				a_tail.Transform.rotation = Quaternion.Euler(ts.Direction);
 #endif
 			}
 			else if (s.CloneType == 3) EndUpdatePosition(ns);

Assets/Cryville/Cryville.Crtr.asmdef

@@ -2,7 +2,8 @@
     "name": "Cryville.Crtr",
     "rootNamespace": "",
     "references": [
-        "GUID:d8ea0e0da3ad53a45b65c912ffcacab0"
+        "GUID:d8ea0e0da3ad53a45b65c912ffcacab0",
+        "GUID:5686e5ee69d0e084c843d61c240d7fdb"
     ],
     "includePlatforms": [],
     "excludePlatforms": [],

Assets/Cryville/GlobalSuppressions.cs

@@ -27,6 +27,7 @@ using System.Diagnostics.CodeAnalysis;
 [assembly: SuppressMessage("Style", "IDE0034")]
 
 // Simplified new not supported
+[assembly: SuppressMessage("Style", "IDE0017")]
 [assembly: SuppressMessage("Style", "IDE0090")]
 
 // Pattern matching not supported

Assets/Plugins/DiscordGameSDK.meta

@@ -0,0 +1,8 @@
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+guid: 431a8644546221a40a73de6618f11332
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
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Assets/Plugins/DiscordGameSDK/ActivityManager.cs

@@ -0,0 +1,12 @@
+using System;
+
+namespace Discord
+{
+    public partial class ActivityManager
+    {
+        public void RegisterCommand()
+        {
+            RegisterCommand(null);
+        }
+    }
+}

Assets/Plugins/DiscordGameSDK/ActivityManager.cs.meta

@@ -0,0 +1,11 @@
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+guid: 4bce5beb292181a43b6427b71e8a7e93
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Assets/Plugins/DiscordGameSDK/Constants.cs

@@ -0,0 +1,9 @@
+using System;
+
+namespace Discord
+{
+    static class Constants
+    {
+        public const string DllName = "discord_game_sdk";
+    }
+}

Assets/Plugins/DiscordGameSDK/Constants.cs.meta

@@ -0,0 +1,11 @@
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Assets/Plugins/DiscordGameSDK/Core.cs.meta

@@ -0,0 +1,11 @@
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Assets/Plugins/DiscordGameSDK/DiscordGameSDK.asmdef

@@ -0,0 +1,3 @@
+{
+	"name": "DiscordGameSDK"
+}

Assets/Plugins/DiscordGameSDK/DiscordGameSDK.asmdef.meta

@@ -0,0 +1,7 @@
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+guid: 5686e5ee69d0e084c843d61c240d7fdb
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Assets/Plugins/DiscordGameSDK/ImageManager.cs

@@ -0,0 +1,53 @@
+using System;
+using System.Runtime.InteropServices;
+#if UNITY_EDITOR || UNITY_STANDALONE
+using UnityEngine;
+#endif
+
+namespace Discord
+{
+	public partial struct ImageHandle
+    {
+        static public ImageHandle User(Int64 id)
+        {
+            return User(id, 128);
+        }
+
+        static public ImageHandle User(Int64 id, UInt32 size)
+        {
+            return new ImageHandle
+            {
+                Type = ImageType.User,
+                Id = id,
+                Size = size,
+            };
+        }
+    }
+
+    public partial class ImageManager
+    {
+        public void Fetch(ImageHandle handle, FetchHandler callback)
+        {
+            Fetch(handle, false, callback);
+        }
+
+        public byte[] GetData(ImageHandle handle)
+        {
+            var dimensions = GetDimensions(handle);
+            var data = new byte[dimensions.Width * dimensions.Height * 4];
+            GetData(handle, data);
+            return data;
+        }
+
+#if UNITY_EDITOR || UNITY_STANDALONE
+        public Texture2D GetTexture(ImageHandle handle)
+        {
+            var dimensions = GetDimensions(handle);
+            var texture = new Texture2D((int)dimensions.Width, (int)dimensions.Height, TextureFormat.RGBA32, false, true);
+            texture.LoadRawTextureData(GetData(handle));
+            texture.Apply();
+            return texture;
+        }
+#endif
+    }
+}

Assets/Plugins/DiscordGameSDK/ImageManager.cs.meta

@@ -0,0 +1,11 @@
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+guid: a3cfde4503bedc444807a916e1ad2960
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Assets/Plugins/DiscordGameSDK/LobbyManager.cs

@@ -0,0 +1,26 @@
+using System;
+using System.Runtime.InteropServices;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Discord
+{
+    public partial class LobbyManager
+    {
+        public IEnumerable<User> GetMemberUsers(Int64 lobbyID)
+        {
+            var memberCount = MemberCount(lobbyID);
+            var members = new List<User>();
+            for (var i = 0; i < memberCount; i++)
+            {
+                members.Add(GetMemberUser(lobbyID, GetMemberUserId(lobbyID, i)));
+            }
+            return members;
+        }
+
+        public void SendLobbyMessage(Int64 lobbyID, string data, SendLobbyMessageHandler handler)
+        {
+            SendLobbyMessage(lobbyID, Encoding.UTF8.GetBytes(data), handler);
+        }
+    }
+}

Assets/Plugins/DiscordGameSDK/LobbyManager.cs.meta

@@ -0,0 +1,11 @@
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+guid: d49d4d1d5cee72b40a22bf6f6bdd0309
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Assets/Plugins/DiscordGameSDK/StorageManager.cs

@@ -0,0 +1,20 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Discord
+{
+    public partial class StorageManager
+    {
+        public IEnumerable<FileStat> Files()
+        {
+            var fileCount = Count();
+            var files = new List<FileStat>();
+            for (var i = 0; i < fileCount; i++)
+            {
+                files.Add(StatAt(i));
+            }
+            return files;
+        }
+    }
+}

Assets/Plugins/DiscordGameSDK/StorageManager.cs.meta

@@ -0,0 +1,11 @@
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Assets/Plugins/DiscordGameSDK/StoreManager.cs

@@ -0,0 +1,32 @@
+using System;
+using System.Runtime.InteropServices;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Discord
+{
+    public partial class StoreManager
+    {
+        public IEnumerable<Entitlement> GetEntitlements()
+        {
+            var count = CountEntitlements();
+            var entitlements = new List<Entitlement>();
+            for (var i = 0; i < count; i++)
+            {
+                entitlements.Add(GetEntitlementAt(i));
+            }
+            return entitlements;
+        }
+
+        public IEnumerable<Sku> GetSkus()
+        {
+            var count = CountSkus();
+            var skus = new List<Sku>();
+            for (var i = 0; i < count; i++)
+            {
+                skus.Add(GetSkuAt(i));
+            }
+            return skus;
+        }
+    }
+}

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