Preserve Convert.

.gitignore

@@ -68,3 +68,4 @@ crashlytics-build.properties
 /UserSettings
 /*.zip
 *.lnk
+/HybridCLRData

Assets/Cryville/Common/Collections.meta

@@ -1,5 +1,5 @@
 fileFormatVersion: 2
-guid: 5335612e48e4c3947808c99fb99411d5
+guid: c4ef48e4a4983de4e9c31483df2a918e
 folderAsset: yes
 DefaultImporter:
   externalObjects: {}

Assets/Cryville/Common/Collections/Generic.meta

@@ -1,5 +1,5 @@
 fileFormatVersion: 2
-guid: 6823ead66b33bc048bbad48719feb25d
+guid: 9ec674235c0dd6744af2dab2b58dd53c
 folderAsset: yes
 DefaultImporter:
   externalObjects: {}

Assets/Cryville/Common/Collections/Generic/IPairList.cs

@@ -0,0 +1,8 @@
+using System.Collections.Generic;
+
+namespace Cryville.Common.Collections.Generic {
+	public interface IPairList<TKey, TValue> : IList<KeyValuePair<TKey, TValue>> {
+		void Add(TKey key, TValue value);
+		void Insert(int index, TKey key, TValue value);
+	}
+}

Assets/Cryville/Common/Collections/Generic/IPairList.cs.meta

@@ -1,5 +1,5 @@
 fileFormatVersion: 2
-guid: f5b3f3294f679f14f8ec1195b0def630
+guid: 73fb17b484b343242bcce27c15ed7d44
 MonoImporter:
   externalObjects: {}
   serializedVersion: 2

Assets/Cryville/Common/Collections/Generic/PairCollection.cs

@@ -0,0 +1,46 @@
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+
+namespace Cryville.Common.Collections.Generic {
+	[DebuggerDisplay("Count = {Count}"), DebuggerTypeProxy(typeof(PairCollectionDebugView<,>))]
+	public struct PairCollection<TKey, TValue> : IDisposable {
+		public void Dispose() { }
+		readonly IPairList<TKey, TValue> _pairList;
+		readonly IDictionary<TKey, TValue> _dictionary;
+		public PairCollection(object collection) : this() {
+			var type = collection.GetType();
+			if (typeof(IPairList<TKey, TValue>).IsAssignableFrom(type)) _pairList = (IPairList<TKey, TValue>)collection;
+			else if (typeof(IDictionary<TKey, TValue>).IsAssignableFrom(type)) _dictionary = (IDictionary<TKey, TValue>)collection;
+			else throw new ArgumentException("Parameter is not a pair collection");
+		}
+		public int Count {
+			get {
+				if (_pairList != null) return _pairList.Count;
+				else return _dictionary.Count;
+			}
+		}
+		public void Add(TKey key, TValue value) {
+			if (_pairList != null) _pairList.Add(key, value);
+			else _dictionary.Add(key, value);
+		}
+		public void CopyTo(KeyValuePair<TKey, TValue>[] array, int index) {
+			if (_pairList != null) _pairList.CopyTo(array, index);
+			else _dictionary.CopyTo(array, index);
+		}
+	}
+	internal class PairCollectionDebugView<TKey, TValue> {
+		readonly PairCollection<TKey, TValue> _self;
+		public PairCollectionDebugView(PairCollection<TKey, TValue> self) {
+			_self = self;
+		}
+		[DebuggerBrowsable(DebuggerBrowsableState.RootHidden)]
+		public KeyValuePair<TKey, TValue>[] Items {
+			get {
+				KeyValuePair<TKey, TValue>[] array = new KeyValuePair<TKey, TValue>[_self.Count];
+				_self.CopyTo(array, 0);
+				return array;
+			}
+		}
+	}
+}

Assets/Cryville/Common/Collections/Generic/PairCollection.cs.meta

@@ -1,5 +1,5 @@
 fileFormatVersion: 2
-guid: 23377bf2926d93a4b8e3f3ab6040c7f2
+guid: 2517e8f040bd36f46948e5fafaf5335c
 MonoImporter:
   externalObjects: {}
   serializedVersion: 2

Assets/Cryville/Common/Collections/Generic/PairList.cs

@@ -0,0 +1,48 @@
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+
+namespace Cryville.Common.Collections.Generic {
+	[DebuggerDisplay("Count = {Count}"), DebuggerTypeProxy(typeof(PairListDebugView<,>))]
+	public class PairList<TKey, TValue> : List<KeyValuePair<TKey, TValue>>, IPairList<TKey, TValue>, IPairList {
+		public void Add(TKey key, TValue value) {
+			Add(new KeyValuePair<TKey, TValue>(key, value));
+		}
+
+		public void Add(object key, object value) {
+			try {
+				Add((TKey)key, (TValue)value);
+			}
+			catch (InvalidCastException) {
+				throw new ArgumentException("Wrong key type or value type");
+			}
+		}
+
+		public void Insert(int index, TKey key, TValue value) {
+			Insert(index, new KeyValuePair<TKey, TValue>(key, value));
+		}
+
+		public void Insert(int index, object key, object value) {
+			try {
+				Insert(index, (TKey)key, (TValue)value);
+			}
+			catch (InvalidCastException) {
+				throw new ArgumentException("Wrong key type or value type");
+			}
+		}
+	}
+	internal class PairListDebugView<TKey, TValue> {
+		readonly PairList<TKey, TValue> _self;
+		public PairListDebugView(PairList<TKey, TValue> self) {
+			_self = self;
+		}
+		[DebuggerBrowsable(DebuggerBrowsableState.RootHidden)]
+		public KeyValuePair<TKey, TValue>[] Items {
+			get {
+				KeyValuePair<TKey, TValue>[] array = new KeyValuePair<TKey, TValue>[_self.Count];
+				_self.CopyTo(array, 0);
+				return array;
+			}
+		}
+	}
+}

Assets/Cryville/Common/Collections/Generic/PairList.cs.meta

@@ -1,5 +1,5 @@
 fileFormatVersion: 2
-guid: 4ffe72fef6ebb9e4da3571b4117f0d6d
+guid: d9ed5ea8b7b1a934287e7ec5971166c0
 MonoImporter:
   externalObjects: {}
   serializedVersion: 2

Assets/Cryville/Common/Collections/IPairList.cs

@@ -0,0 +1,8 @@
+using System.Collections;
+
+namespace Cryville.Common.Collections {
+	public interface IPairList : IList {
+		void Add(object key, object value);
+		void Insert(int index, object key, object value);
+	}
+}

Assets/Cryville/Common/Collections/IPairList.cs.meta

@@ -1,5 +1,5 @@
 fileFormatVersion: 2
-guid: e3c5a8bf05d5e284ba498e91cb0dd35e
+guid: 046617672d437de4ab7e644a55defd3b
 MonoImporter:
   externalObjects: {}
   serializedVersion: 2

Assets/Cryville/Common/Collections/PairCollection.cs

@@ -0,0 +1,47 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Diagnostics;
+
+namespace Cryville.Common.Collections {
+	[DebuggerDisplay("Count = {Count}"), DebuggerTypeProxy(typeof(PairCollectionDebugView))]
+	public struct PairCollection : IDisposable {
+		public void Dispose() { }
+		readonly IPairList _pairList;
+		readonly IDictionary _dictionary;
+		public PairCollection(object collection) : this() {
+			var type = collection.GetType();
+			if (typeof(IPairList).IsAssignableFrom(type)) _pairList = (IPairList)collection;
+			else if (typeof(IDictionary).IsAssignableFrom(type)) _dictionary = (IDictionary)collection;
+			else throw new ArgumentException("Parameter is not a pair collection");
+		}
+		public int Count {
+			get {
+				if (_pairList != null) return _pairList.Count;
+				else return _dictionary.Count;
+			}
+		}
+		public void Add(object key, object value) {
+			if (_pairList != null) _pairList.Add(key, value);
+			else _dictionary.Add(key, value);
+		}
+		public void CopyTo(KeyValuePair<object, object>[] array, int index) {
+			if (_pairList != null) _pairList.CopyTo(array, index);
+			else _dictionary.CopyTo(array, index);
+		}
+	}
+	internal class PairCollectionDebugView {
+		readonly PairCollection _self;
+		public PairCollectionDebugView(PairCollection self) {
+			_self = self;
+		}
+		[DebuggerBrowsable(DebuggerBrowsableState.RootHidden)]
+		public KeyValuePair<object, object>[] Items {
+			get {
+				KeyValuePair<object, object>[] array = new KeyValuePair<object, object>[_self.Count];
+				_self.CopyTo(array, 0);
+				return array;
+			}
+		}
+	}
+}

Assets/Cryville/Common/Collections/PairCollection.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 1f87dfb8f6a1f5640b6deae741cd715c
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Cryville/Common/Collections/PairList.cs

@@ -0,0 +1,29 @@
+using System.Collections.Generic;
+using System.Diagnostics;
+
+namespace Cryville.Common.Collections {
+	[DebuggerDisplay("Count = {Count}"), DebuggerTypeProxy(typeof(PairListDebugView))]
+	public class PairList : List<KeyValuePair<object, object>>, IPairList {
+		public void Add(object key, object value) {
+			Add(new KeyValuePair<object, object>(key, value));
+		}
+
+		public void Insert(int index, object key, object value) {
+			Insert(index, new KeyValuePair<object, object>(key, value));
+		}
+	}
+	internal class PairListDebugView {
+		readonly PairList _self;
+		public PairListDebugView(PairList self) {
+			_self = self;
+		}
+		[DebuggerBrowsable(DebuggerBrowsableState.RootHidden)]
+		public KeyValuePair<object, object>[] Items {
+			get {
+				KeyValuePair<object, object>[] array = new KeyValuePair<object, object>[_self.Count];
+				_self.CopyTo(array, 0);
+				return array;
+			}
+		}
+	}
+}

Assets/Cryville/Common/Collections/PairList.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 57fc9f037c1fda5449e2a365a835c82c
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Cryville/Common/Font/FontTable.cs

@@ -45,7 +45,7 @@ namespace Cryville.Common.Font {
 			return tableDirectoryOffsets;
 		}
 		public override TableDirectory GetSubTable(UInt32 item) {
-			var i = (UInt32)item;
+			var i = item;
 			return new TableDirectory(Reader, i);
 		}
 	}

Assets/Cryville/Common/Identifier.cs

@@ -2,6 +2,7 @@
 
 namespace Cryville.Common {
 	public struct Identifier : IEquatable<Identifier> {
+		public static Identifier Empty = new Identifier(0);
 		public int Key { get; private set; }
 		public object Name { get { return IdentifierManager.SharedInstance.Retrieve(Key); } }
 		public Identifier(int key) {

Assets/Cryville/Common/Math/CubicBezier.cs

@@ -0,0 +1,44 @@
+using SMath = System.Math;
+
+namespace Cryville.Common.Math {
+	// Ported from https://github.com/arian/cubic-bezier/blob/master/index.js
+	public static class CubicBezier {
+		public static float Evaluate(float t, float x1, float y1, float x2, float y2, float epsilon) {
+			float x = t, t0, t1, t2, tx, d2, i;
+			for (t2 = x, i = 0; i < 8; i++) {
+				tx = CurveX(t2, x1, x2) - x;
+				if (SMath.Abs(tx) < epsilon) return CurveY(t2, y1, y2);
+				d2 = DerivativeCurveX(t2, x1, x2);
+				if (SMath.Abs(d2) < 1e-6) break;
+				t2 -= tx / d2;
+			}
+
+			t0 = 0; t1 = 1; t2 = x;
+
+			if (t2 < t0) return CurveY(t0, y1, y2);
+			if (t2 > t1) return CurveY(t1, y1, y2);
+
+			while (t0 < t1) {
+				tx = CurveX(t2, x1, x2);
+				if (SMath.Abs(tx - x) < epsilon) return CurveY(t2, y1, y2);
+				if (x > tx) t0 = t2;
+				else t1 = t2;
+				t2 = (t1 - t0) * .5f + t0;
+			}
+
+			return CurveY(t2, y1, y2);
+		}
+		static float CurveX(float t, float x1, float x2) {
+			float v = 1 - t;
+			return 3 * v * v * t * x1 + 3 * v * t * t * x2 + t * t * t;
+		}
+		static float CurveY(float t, float y1, float y2) {
+			float v = 1 - t;
+			return 3 * v * v * t * y1 + 3 * v * t * t * y2 + t * t * t;
+		}
+		static float DerivativeCurveX(float t, float x1, float x2) {
+			float v = 1 - t;
+			return 3 * (2 * (t - 1) * t + v * v) * x1 + 3 * (-t * t * t + 2 * v * t) * x2;
+		}
+	}
+}

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

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 17dd6f775fc965f43960da7166b55b87
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Cryville/Common/Math/FractionUtils.cs

@@ -12,12 +12,12 @@ namespace Cryville.Common.Math {
 		/// <param name="error">The error.</param>
 		/// <param name="n">The numerator.</param>
 		/// <param name="d">The denominator.</param>
-		/// <exception cref="ArgumentOutOfRangeException"><paramref name="value" /> is less than 0 or <paramref name="error" /> is not greater than 0 or not less than 1.</exception>
+		/// <exception cref="ArgumentOutOfRangeException"><paramref name="value" /> is less than 0 or <paramref name="error" /> is not greater than 0 or greater than 1.</exception>
 		public static void ToFraction(double value, double error, out int n, out int d) {
 			if (value < 0.0)
 				throw new ArgumentOutOfRangeException("value", "Must be >= 0.");
-			if (error <= 0.0 || error >= 1.0)
+			if (error <= 0.0 || error > 1.0)
-				throw new ArgumentOutOfRangeException("accuracy", "Must be > 0 and < 1.");
+				throw new ArgumentOutOfRangeException("error", "Must be > 0 and <= 1.");
 
 			int num = (int)System.Math.Floor(value);
 			value -= num;

Assets/Cryville/Common/Pdt/PdtAttributes.cs

@@ -5,7 +5,7 @@ namespace Cryville.Common.Pdt {
 	/// Indicates that the attributed member is an element list.
 	/// </summary>
 	/// <remarks>
-	/// <para>An element list is a <see cref="System.Collections.IDictionary" /> that represents a collection of PDT elements. There must be at most one element list in a class.</para>
+	/// <para>An element list is a <see cref="System.Collections.IDictionary" /> or <see cref="Cryville.Common.Collections.Generic.IPairList" /> that represents a collection of PDT elements. There must be at most one element list in a class.</para>
 	/// </remarks>
 	[AttributeUsage(AttributeTargets.Field | AttributeTargets.Property)]
 	public class ElementListAttribute : Attribute { }
@@ -14,7 +14,7 @@ namespace Cryville.Common.Pdt {
 	/// Indicates that the attributed member is a property list.
 	/// </summary>
 	/// <remarks>
-	/// <para>A property list is a <see cref="System.Collections.IDictionary" /> that represents a collection of PDT properties. There must be at most one property list in a class.</para>
+	/// <para>A property list is a <see cref="System.Collections.IDictionary" /> or <see cref="Cryville.Common.Collections.Generic.IPairList" /> that represents a collection of PDT properties. There must be at most one property list in a class.</para>
 	/// </remarks>
 	[AttributeUsage(AttributeTargets.Field | AttributeTargets.Property)]
 	public class PropertyListAttribute : Attribute { }

Assets/Cryville/Common/Pdt/PdtExpression.cs

@@ -92,7 +92,7 @@ namespace Cryville.Common.Pdt {
 		}
 	}
 	public partial class PdtInterpreter {
-		readonly static Dictionary<char, int> OP_PRIORITY = new Dictionary<char, int> {
+		static readonly Dictionary<char, int> OP_PRIORITY = new Dictionary<char, int> {
 			{ '@', 7 },
 			{ '*', 6 }, { '/', 6 }, { '%', 6 },
 			{ '+', 5 }, { '-', 5 },
@@ -103,7 +103,7 @@ namespace Cryville.Common.Pdt {
 			{ ',', 0 },
 			{ '$', -1 },
 		};
-		readonly static Dictionary<char, int> OP_TYPE = new Dictionary<char, int> {
+		static readonly Dictionary<char, int> OP_TYPE = new Dictionary<char, int> {
 			{ '@', 0 },
 			{ '*', 0 }, { '/', 0 }, { '%', 0 },
 			{ '+', 0 }, { '-', 0 },
@@ -115,7 +115,7 @@ namespace Cryville.Common.Pdt {
 			{ '$', -1 },
 		};
 
-		readonly static PdtExpression _emptyexp;
+		static readonly PdtExpression _emptyexp;
 		static PdtInterpreter() {
 			var ins = new LinkedList<PdtInstruction>();
 			ins.AddLast(new PdtInstruction.PushConstant(
@@ -143,7 +143,7 @@ namespace Cryville.Common.Pdt {
 			public override string ToString() {
 				return string.Format("0x{0:x4}: {1}", Type, Value);
 			}
-			public readonly static PdtExpToken EmptyOperator = new PdtExpToken {
+			public static readonly PdtExpToken EmptyOperator = new PdtExpToken {
 				Type = 0x0080,
 				Value = "$",
 			};

Assets/Cryville/Common/Pdt/PdtInternalType.cs

@@ -6,30 +6,30 @@
 		/// <summary>
 		/// Error type.
 		/// </summary>
-		public readonly static int Error = 0x00525245;
+		public const int Error = 0x00525245;
 		/// <summary>
 		/// Array of a same variable-length type, with a suffix indicating the element count and the element type.
 		/// </summary>
-		public readonly static int Array = 0x00525241;
+		public const int Array = 0x00525241;
 		/// <summary>
 		/// Null type.
 		/// </summary>
-		public readonly static int Null = 0x4c4c554e;
+		public const int Null = 0x4c4c554e;
 		/// <summary>
 		/// IEEE 754 32-bit floating-point number.
 		/// </summary>
-		public readonly static int Number = 0x004d554e;
+		public const int Number = 0x004d554e;
 		/// <summary>
 		/// A sequence of UTF-16 code units, with a prefix indicating the number of the code units.
 		/// </summary>
-		public readonly static int String = 0x00525453;
+		public const int String = 0x00525453;
 		/// <summary>
 		/// A sequence of UTF-16 code units, with a prefix indicating the number of the code units, representing the name of an undefined variable.
 		/// </summary>
-		public readonly static int Undefined = 0x00444e55;
+		public const int Undefined = 0x00444e55;
 		/// <summary>
 		/// Vector of a same constant-length type, with a suffix indicating the element type.
 		/// </summary>
-		public readonly static int Vector = 0x00434556;
+		public const int Vector = 0x00434556;
 	}
 }

Assets/Cryville/Common/Pdt/PdtInterpreter.cs

@@ -1,4 +1,5 @@
-using System;
+using Cryville.Common.Collections;
+using System;
 using System.Collections;
 using System.Collections.Generic;
 using System.Linq;
@@ -27,7 +28,7 @@ namespace Cryville.Common.Pdt {
 		///		<item><term><c>0x1000</c></term><description>End of Key</description></item>
 		/// </list>
 		/// </remarks>
-		readonly static int[] cm = new int[] {
+		static readonly int[] cm = new int[] {
 			//   0       1       2       3       4       5       6       7       8       9       A       B       C       D       E       F
 			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,
@@ -255,13 +256,13 @@ namespace Cryville.Common.Pdt {
 							if (prop == null) throw new MissingMemberException(string.Format("The property \"{0}\" is not found", pkey));
 							Type ptype = ReflectionHelper.GetMemberType(prop);
 							if (flag) {
-								if (!typeof(IDictionary).IsAssignableFrom(ptype))
+								using (var collection = new PairCollection(ReflectionHelper.GetValue(prop, result))) {
-									throw new InvalidOperationException("Internal error: Element list is not a dictionary");
 									var ktype = ptype.GetGenericArguments()[0];
 									var vtype = ptype.GetGenericArguments()[1];
 									object key = _binder.ChangeType(pkey, ktype, null);
 									object value = InterpretObject(vtype);
-								((IDictionary)ReflectionHelper.GetValue(prop, result)).Add(key, value);
+									collection.Add(key, value);
+								}
 							}
 							else ReflectionHelper.SetValue(prop, result, InterpretObject(ptype));
 						}
@@ -284,13 +285,13 @@ namespace Cryville.Common.Pdt {
 							if (prop == null) throw new MissingMemberException(string.Format("The property \"{0}\" is not found", pkey));
 							var ptype = ReflectionHelper.GetMemberType(prop);
 							if (flag) {
-								if (!typeof(IDictionary).IsAssignableFrom(ptype))
+								using (var collection = new PairCollection(ReflectionHelper.GetValue(prop, result))) {
-									throw new InvalidOperationException("Internal error: Property list is not a dictionary");
 									var ktype = ptype.GetGenericArguments()[0];
 									var vtype = ptype.GetGenericArguments()[1];
 									object key = _binder.ChangeType(pkey, ktype, null);
 									object value = _binder.ChangeType(exp, vtype, null);
-								((IDictionary)ReflectionHelper.GetValue(prop, result)).Add(key, value);
+									collection.Add(key, value);
+								}
 							}
 							else {
 								object value = _binder.ChangeType(exp, ptype, null);

Assets/Cryville/Common/Pdt/PdtOperator.cs

@@ -4,7 +4,7 @@ namespace Cryville.Common.Pdt {
 	/// <summary>
 	/// PDT operator.
 	/// </summary>
-	public unsafe abstract class PdtOperator {
+	public abstract unsafe class PdtOperator {
 		byte* _prmem;
 		int _loadindex;
 		readonly PdtVariableMemory[] _operands;

Assets/Cryville/Common/Unity/FileDialog.cs

@@ -28,8 +28,8 @@ namespace Cryville.Common.Unity {
 			set { m_filter = value; }
 		}
 
-		public Dictionary<string, string> m_presetPaths = new Dictionary<string, string>();
+		public IReadOnlyDictionary<string, string> m_presetPaths = new Dictionary<string, string>();
-		public Dictionary<string, string> PresetPaths {
+		public IReadOnlyDictionary<string, string> PresetPaths {
 			get { return m_presetPaths; }
 			set { m_presetPaths = value; }
 		}

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

@@ -3,6 +3,6 @@ using UnityEngine;
 namespace Cryville.Common.Unity.UI {
 	public abstract class SetParameterBehaviour : StateMachineBehaviour {
 		[SerializeField] protected string m_name;
-		public override abstract void OnStateEnter(Animator animator, AnimatorStateInfo stateInfo, int layerIndex);
+		public abstract override void OnStateEnter(Animator animator, AnimatorStateInfo stateInfo, int layerIndex);
 	}
 }

Assets/Cryville/Crtr/Browsing/ExtensionInterface.cs

@@ -1,8 +0,0 @@
-using System.Collections.Generic;
-
-namespace Cryville.Crtr.Browsing {
-	public abstract class ExtensionInterface {
-		public abstract IEnumerable<ResourceConverter> GetResourceConverters();
-		public abstract IEnumerable<LocalResourceFinder> GetResourceFinders();
-	}
-}

Assets/Cryville/Crtr/Browsing/ExtensionManager.cs

@@ -0,0 +1,138 @@
+using Cryville.Common;
+using Cryville.Crtr.Extension;
+using Mono.Cecil;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Reflection;
+
+namespace Cryville.Crtr.Browsing {
+	internal static class ExtensionManager {
+		static readonly Dictionary<string, List<ResourceConverter>> _converters
+			= new Dictionary<string, List<ResourceConverter>>();
+		public static IEnumerable<string> GetSupportedFormats() {
+			return _converters.Keys;
+		}
+		public static bool TryGetConverters(string extension, out IEnumerable<ResourceConverter> converters) {
+			List<ResourceConverter> outResult;
+			bool result = _converters.TryGetValue(extension, out outResult);
+			converters = outResult;
+			return result;
+		}
+		static readonly Dictionary<string, string> _localRes
+			= new Dictionary<string, string>();
+		public static IReadOnlyDictionary<string, string> GetLocalResourcePaths() {
+			return _localRes;
+		}
+		public static void Init(string rootPath) {
+			LoadExtension(typeof(Extensions.Umg.Extension));
+			var asms = AppDomain.CurrentDomain.GetAssemblies().Select(a => a.GetName().Name).ToHashSet();
+			var modules = new Queue<ModuleItem>();
+			var extensionDir = new DirectoryInfo(Path.Combine(rootPath, "extensions"));
+			if (extensionDir.Exists) {
+				foreach (var extension in extensionDir.EnumerateFiles("*.dll")) {
+					try {
+						modules.Enqueue(new ModuleItem(extension.OpenRead()));
+					}
+					catch (Exception ex) {
+						Logger.Log("main", 4, "Extension", "Failed to load DLL {0}: {1}", extension, ex);
+					}
+				}
+			}
+			int refCounter = 0;
+			while (modules.Count > 0 && refCounter < modules.Count) {
+				var module = modules.Dequeue();
+				bool flag = false;
+				foreach (var reference in module.Definition.AssemblyReferences) {
+					if (!asms.Contains(reference.Name)) {
+						flag = true;
+						break;
+					}
+				}
+				if (flag) {
+					modules.Enqueue(module);
+					refCounter++;
+				}
+				else {
+					try {
+						var stream = module.Stream;
+						stream.Seek(0, SeekOrigin.Begin);
+						var buf = new byte[stream.Length];
+						stream.Read(buf, 0, buf.Length);
+						var asm = Assembly.Load(buf);
+						if (asm == null) throw new TypeLoadException("Failed to load the module");
+						asms.Add(asm.GetName().Name);
+						foreach (var type in asm.GetTypes()) {
+							if (typeof(ExtensionInterface).IsAssignableFrom(type)) {
+								LoadExtension(type);
+							}
+						}
+						Logger.Log("main", 1, "Extension", "Loaded module {0}", module.Definition.Name);
+					}
+					catch (Exception ex) {
+						Logger.Log("main", 4, "Extension", "An error occured while trying to load module {0}: {1}", module.Definition.Name, ex);
+					}
+					finally {
+						module.Definition.Dispose();
+						module.Stream.Dispose();
+						refCounter = 0;
+					}
+				}
+			}
+			var missingList = new List<string>();
+			while (modules.Count > 0) {
+				missingList.Clear();
+				var module = modules.Dequeue();
+				foreach (var reference in module.Definition.AssemblyReferences) {
+					if (!asms.Contains(reference.Name)) {
+						missingList.Add(reference.Name);
+					}
+				}
+				Logger.Log("main", 4, "Extension", "Could not load the module {0} because the following dependencies were missing: {1}", module.Definition.Name, missingList.Aggregate((current, next) => current + ", " + next));
+				module.Definition.Dispose();
+				module.Stream.Dispose();
+			}
+		}
+
+		struct ModuleItem {
+			public ModuleDefinition Definition { get; set; }
+			public FileStream Stream { get; set; }
+			public ModuleItem(FileStream stream) {
+				Stream = stream;
+				Definition = ModuleDefinition.ReadModule(stream);
+			}
+		}
+
+		static void LoadExtension(Type type) {
+			try {
+				var extension = (ExtensionInterface)Activator.CreateInstance(type);
+				var l1 = extension.GetResourceConverters();
+				if (l1 != null) {
+					foreach (var c in l1) {
+						var fs = c.GetSupportedFormats();
+						if (fs == null) continue;
+						foreach (var f in fs) {
+							if (f == null) continue;
+							if (!_converters.ContainsKey(f))
+								_converters.Add(f, new List<ResourceConverter> { c });
+							else _converters[f].Add(c);
+						}
+					}
+				}
+				var l2 = extension.GetResourceFinders();
+				if (l2 != null) {
+					foreach (var f in l2) {
+						var name = f.Name;
+						var path = f.GetRootPath();
+						if (name != null && path != null) _localRes.Add(name, path);
+					}
+				}
+				Logger.Log("main", 1, "Extension", "Loaded extension {0}", type);
+			}
+			catch (Exception ex) {
+				Logger.Log("main", 4, "Extension", "Failed to load extension {0}: {1}", type, ex);
+			}
+		}
+	}
+}

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

@@ -0,0 +1,11 @@
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