Preserve Convert.

This reverts commit 4185303bd2.

.gitignore

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

Assets/Animations/IConfig.anim.meta

@@ -0,0 +1,8 @@
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+  userData: 
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Assets/Animations/TConfig_Main.anim.meta

@@ -0,0 +1,8 @@
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Assets/Animations/TMain_Config.anim.meta

@@ -0,0 +1,8 @@
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Assets/AssemblyInfo.cs

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

Assets/Cryville/Common/BinderAttribute.cs

@@ -33,12 +33,12 @@ namespace Cryville.Common {
 		public override object ChangeType(object value, Type type, CultureInfo culture) {
 			if (value == null)
 				return null;
-			else if (type == value.GetType())
+			else if (type.IsAssignableFrom(value.GetType()))
 				return value;
 			else if (type.IsEnum && value is string) {
 				return Enum.Parse(type, (string)value);
 			}
-			throw new InvalidCastException();
+			throw new InvalidCastException(string.Format("Cannot cast {0} to {1}", value.GetType(), type));
 		}
 		
 		public override void ReorderArgumentArray(ref object[] args, object state) {

Assets/Cryville/Common/Buffers/CategorizedPool.cs

@@ -0,0 +1,90 @@
+using System.Collections.Generic;
+
+namespace Cryville.Common.Buffers {
+	/// <summary>
+	/// A set of resource pools categorized by a category type.
+	/// </summary>
+	/// <typeparam name="TCategory">The category type.</typeparam>
+	/// <typeparam name="TObject">The type of the objects in the pool.</typeparam>
+	public abstract class CategorizedPool<TCategory, TObject> where TObject : class {
+		/// <summary>
+		/// The set of underlying pools.
+		/// </summary>
+		/// <remarks>
+		/// <para>The <see cref="Rent(TCategory)" /> and <see cref="Return(TCategory, TObject)" /> method select an underlying pool directly from this set with the category as the key. When overridden, this set must be available since construction.</para>
+		/// </remarks>
+		protected abstract IReadOnlyDictionary<TCategory, ObjectPool<TObject>> Buckets { get; }
+		/// <summary>
+		/// The count of objects rented from the set of pools.
+		/// </summary>
+		public int RentedCount { get; private set; }
+		/// <summary>
+		/// Rents an object from the pool.
+		/// </summary>
+		/// <param name="category">The category.</param>
+		/// <returns>The rented object.</returns>
+		public TObject Rent(TCategory category) {
+			var obj = Buckets[category].Rent();
+			RentedCount++;
+			return obj;
+		}
+		/// <summary>
+		/// Returns a rented object to the pool.
+		/// </summary>
+		/// <param name="category">The category.</param>
+		/// <param name="obj">The object to return.</param>
+		public void Return(TCategory category, TObject obj) {
+			Buckets[category].Return(obj);
+			--RentedCount;
+		}
+	}
+	/// <summary>
+	/// A utility to access a categorized pool, representing a single unit that uses a shared categorized pool.
+	/// </summary>
+	/// <typeparam name="TCategory">The category type.</typeparam>
+	/// <typeparam name="TObject">The type of the objects in the pool.</typeparam>
+	public class CategorizedPoolAccessor<TCategory, TObject> where TObject : class {
+		readonly CategorizedPool<TCategory, TObject> _pool;
+		static readonly SimpleObjectPool<Dictionary<TObject, TCategory>> _dictPool
+			= new SimpleObjectPool<Dictionary<TObject, TCategory>>(1024);
+		Dictionary<TObject, TCategory> _rented;
+		/// <summary>
+		/// Creates an instance of the <see cref="CategorizedPoolAccessor{TCategory, TObject}" /> class.
+		/// </summary>
+		/// <param name="pool">The categorized pool.</param>
+		public CategorizedPoolAccessor(CategorizedPool<TCategory, TObject> pool) {
+			_pool = pool;
+		}
+		/// <summary>
+		/// Rents an object from the pool.
+		/// </summary>
+		/// <param name="category">The category.</param>
+		/// <returns>The rented object.</returns>
+		public TObject Rent(TCategory category) {
+			var obj = _pool.Rent(category);
+			if (_rented == null) _rented = _dictPool.Rent();
+			_rented.Add(obj, category);
+			return obj;
+		}
+		/// <summary>
+		/// Returns a rented object to the pool.
+		/// </summary>
+		/// <param name="obj">The object to return.</param>
+		public void Return(TObject obj) {
+			_pool.Return(_rented[obj], obj);
+			_rented.Remove(obj);
+		}
+		/// <summary>
+		/// Returns all objects rented by this accessor to the pool.
+		/// </summary>
+		public void ReturnAll() {
+			if (_rented == null) return;
+			foreach (var obj in _rented) {
+				_pool.Return(obj.Value, obj.Key);
+			}
+			_rented.Clear();
+			_dictPool.Return(_rented);
+			_rented = null;
+		}
+	}
+}

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

@@ -1,5 +1,5 @@
 fileFormatVersion: 2
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+guid: ec18f22479042d747b88c093aa90c5c0
 MonoImporter:
   externalObjects: {}
   serializedVersion: 2

Assets/Cryville/Common/Buffers/ObjectPool.cs

@@ -14,6 +14,10 @@
 			_objs = new T[capacity];
 		}
 		/// <summary>
+		/// The count of objects rented from the pool.
+		/// </summary>
+		public int RentedCount { get { return _index; } }
+		/// <summary>
 		/// Rents a object from the pool.
 		/// </summary>
 		/// <returns>The rented object.</returns>
@@ -24,6 +28,7 @@
 				_objs[_index++] = null;
 			}
 			if (obj == null) obj = Construct();
+			else Reset(obj);
 			return obj;
 		}
 		/// <summary>
@@ -38,5 +43,10 @@
 		/// </summary>
 		/// <returns>The new instance.</returns>
 		protected abstract T Construct();
+		/// <summary>
+		/// Resets an object.
+		/// </summary>
+		/// <param name="obj">The object.</param>
+		protected virtual void Reset(T obj) { }
 	}
 }

Assets/Cryville/Common/Buffers/TargetString.cs

@@ -0,0 +1,135 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+
+namespace Cryville.Common.Buffers {
+	/// <summary>
+	/// An auto-resized <see cref="char" /> array as a variable-length string used as a target that is modified frequently.
+	/// </summary>
+	public class TargetString : IEnumerable<char> {
+		public event Action OnUpdate;
+		char[] _arr;
+		bool _invalidated;
+		/// <summary>
+		/// Creates an instance of the <see cref="TargetString" /> class with a capacity of 16.
+		/// </summary>
+		public TargetString() : this(16) { }
+		/// <summary>
+		/// Creates an instance of the <see cref="TargetString" /> class.
+		/// </summary>
+		/// <param name="capacity">The initial capacity of the string.</param>
+		/// <exception cref="ArgumentOutOfRangeException"><paramref name="capacity" /> is less than or equal to 0.</exception>
+		public TargetString(int capacity) {
+			if (capacity <= 0) throw new ArgumentOutOfRangeException("capacity");
+			_arr = new char[capacity];
+		}
+		/// <summary>
+		/// Gets or sets one of the characters in the string.
+		/// </summary>
+		/// <param name="index">The zero-based index of the character.</param>
+		/// <returns>The character at the given index.</returns>
+		/// <exception cref="ArgumentOutOfRangeException"><paramref name="index" /> is less than 0 or not less than <see cref="Length" />.</exception>
+		/// <remarks>
+		/// <para>Set <see cref="Length" /> to a desired value before updating the characters.</para>
+		/// <para>Call <see cref=" Validate" /> after all the characters are updated.</para>
+		/// </remarks>
+		public char this[int index] {
+			get {
+				if (index < 0 || index >= m_length)
+					throw new ArgumentOutOfRangeException("index");
+				return _arr[index];
+			}
+			set {
+				if (index < 0 || index >= m_length)
+					throw new ArgumentOutOfRangeException("index");
+				if (_arr[index] == value) return;
+				_arr[index] = value;
+				_invalidated = true;
+			}
+		}
+		int m_length;
+		/// <summary>
+		/// The length of the string.
+		/// </summary>
+		/// <exception cref="ArgumentOutOfRangeException">The value specified for a set operation is less than 0.</exception>
+		public int Length {
+			get {
+				return m_length;
+			}
+			set {
+				if (Length < 0) throw new ArgumentOutOfRangeException("length");
+				if (m_length == value) return;
+				if (_arr.Length < value) {
+					var len = _arr.Length;
+					while (len < value) len *= 2;
+					var arr2 = new char[len];
+					Array.Copy(_arr, arr2, m_length);
+					_arr = arr2;
+				}
+				m_length = value;
+				_invalidated = true;
+			}
+		}
+		/// <summary>
+		/// Validates the string.
+		/// </summary>
+		public void Validate() {
+			if (!_invalidated) return;
+			_invalidated = false;
+			var ev = OnUpdate;
+			if (ev != null) ev.Invoke();
+		}
+		internal char[] TrustedAsArray() { return _arr; }
+
+		/// <summary>
+		/// Returns an enumerator that iterates through the <see cref="TargetString" />.
+		/// </summary>
+		/// <returns>A <see cref="Enumerator" /> for the <see cref="TargetString" />.</returns>
+		public Enumerator GetEnumerator() {
+			return new Enumerator(this);
+		}
+		IEnumerator<char> IEnumerable<char>.GetEnumerator() {
+			return new Enumerator(this);
+		}
+		IEnumerator IEnumerable.GetEnumerator() {
+			return new Enumerator(this);
+		}
+
+		public struct Enumerator : IEnumerator<char> {
+			readonly TargetString _self;
+			int _index;
+			internal Enumerator(TargetString self) {
+				_self = self;
+				_index = -1;
+			}
+
+			public char Current {
+				get {
+					if (_index < 0)
+						throw new InvalidOperationException(_index == -1 ? "Enum not started" : "Enum ended");
+					return _self[_index];
+				}
+			}
+
+			object IEnumerator.Current { get { return Current; } }
+
+			public void Dispose() {
+				_index = -2;
+			}
+
+			public bool MoveNext() {
+				if (_index == -2) return false;
+				_index++;
+				if (_index >= _self.Length) {
+					_index = -2;
+					return false;
+				}
+				return true;
+			}
+
+			public void Reset() {
+				_index = -1;
+			}
+		}
+	}
+}

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

@@ -1,5 +1,5 @@
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Assets/Cryville/Common/Collections.meta

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Assets/Cryville/Common/Collections/Generic.meta

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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

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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

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

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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

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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

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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

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Assets/Cryville/Common/Culture.meta

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Assets/Cryville/Common/Culture/ScriptUtils.cs.meta

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Assets/Cryville/Common/Font/FontFile.cs

@@ -0,0 +1,113 @@
+using Cryville.Common.IO;
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.IO;
+
+namespace Cryville.Common.Font {
+	public abstract class FontFile : IEnumerable<Typeface> {
+		public abstract int Count { get; }
+		public abstract Typeface this[int index] { get; }
+		protected FileInfo File { get; private set; }
+		protected BinaryReader Reader { get; private set; }
+		public FontFile(FileInfo file) {
+			File = file;
+			Reader = new BinaryReaderBE(new FileStream(file.FullName, FileMode.Open, FileAccess.Read));
+		}
+		public void Close() { Reader.Close(); }
+
+		public static FontFile Create(FileInfo file) {
+			switch (file.Extension) {
+				case ".ttf": case ".otf": return new FontFileTTF(file);
+				case ".ttc": case ".otc": return new FontFileTTC(file);
+				default: return null;
+			}
+		}
+
+		public Enumerator GetEnumerator() {
+			return new Enumerator(this);
+		}
+		IEnumerator<Typeface> IEnumerable<Typeface>.GetEnumerator() {
+			return GetEnumerator();
+		}
+		IEnumerator IEnumerable.GetEnumerator() {
+			return GetEnumerator();
+		}
+
+		public struct Enumerator : IEnumerator<Typeface> {
+			readonly FontFile _self;
+			int _index;
+			internal Enumerator(FontFile self) {
+				_self = self;
+				_index = -1;
+			}
+
+			public Typeface Current {
+				get {
+					if (_index < 0)
+						throw new InvalidOperationException(_index == -1 ? "Enum not started" : "Enum ended");
+					return _self[_index];
+				}
+			}
+
+			object IEnumerator.Current { get { return Current; } }
+
+			public void Dispose() {
+				_index = -2;
+			}
+
+			public bool MoveNext() {
+				if (_index == -2) return false;
+				_index++;
+				if (_index >= _self.Count) {
+					_index = -2;
+					return false;
+				}
+				return true;
+			}
+
+			public void Reset() {
+				_index = -1;
+			}
+		}
+	}
+	public class FontFileTTF : FontFile {
+		public override int Count { get { return 1; } }
+		public override Typeface this[int index] {
+			get {
+				if (index != 0) throw new ArgumentOutOfRangeException("index");
+				try {
+					return new TypefaceTTF(Reader, File, index);
+				}
+				catch (Exception) {
+					throw new InvalidDataException("Invalid font");
+				}
+			}
+		}
+		public FontFileTTF(FileInfo file) : base(file) { }
+	}
+	public class FontFileTTC : FontFile {
+		readonly IReadOnlyList<uint> _offsets;
+		public override int Count { get { return _offsets.Count; } }
+		public override Typeface this[int index] {
+			get {
+				if (index < 0 || index >= Count) throw new ArgumentOutOfRangeException("index");
+				Reader.BaseStream.Position = _offsets[index];
+				try {
+					return new TypefaceTTF(Reader, File, index);
+				}
+				catch (Exception) {
+					throw new InvalidDataException("Invalid font");
+				}
+			}
+		}
+		public FontFileTTC(FileInfo file) : base(file) {
+			try {
+				_offsets = new TTCHeader(Reader, 0).GetItems();
+			}
+			catch (Exception) {
+				throw new InvalidDataException("Invalid font");
+			}
+		}
+	}
+}

Assets/Cryville/Common/Font/FontFile.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: c9f44ccf8ddd364418b4f4965414ff9c
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Cryville/Common/Font/FontManager.cs

@@ -0,0 +1,63 @@
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+
+namespace Cryville.Common.Font {
+	public abstract class FontManager {
+		public IReadOnlyDictionary<string, IReadOnlyCollection<Typeface>> MapFullNameToTypeface { get; private set; }
+		public IReadOnlyDictionary<string, IReadOnlyCollection<Typeface>> MapNameToTypefaces { get; private set; }
+		public FontManager() {
+			var map1 = new Dictionary<string, List<Typeface>>();
+			var map2 = new Dictionary<string, List<Typeface>>();
+			foreach (var f in EnumerateAllTypefaces()) {
+				List<Typeface> set1;
+				if (!map1.TryGetValue(f.FullName, out set1)) {
+					map1.Add(f.FullName, set1 = new List<Typeface>());
+				}
+				set1.Add(f);
+				List<Typeface> set2;
+				if (!map2.TryGetValue(f.FamilyName, out set2)) {
+					map2.Add(f.FamilyName, set2 = new List<Typeface>());
+				}
+				set2.Add(f);
+			}
+			MapFullNameToTypeface = map1.ToDictionary(i => i.Key, i => (IReadOnlyCollection<Typeface>)i.Value);
+			MapNameToTypefaces = map2.ToDictionary(i => i.Key, i => (IReadOnlyCollection<Typeface>)i.Value);
+		}
+		protected abstract IEnumerable<Typeface> EnumerateAllTypefaces();
+		protected static IEnumerable<Typeface> ScanDirectoryForTypefaces(string dir) {
+			foreach (var f in new DirectoryInfo(dir).EnumerateFiles()) {
+				FontFile file;
+				try {
+					file = FontFile.Create(f);
+				}
+				catch (InvalidDataException) {
+					continue;
+				}
+				if (file == null) continue;
+				var enumerator = file.GetEnumerator();
+				while (enumerator.MoveNext()) {
+					Typeface ret;
+					try {
+						ret = enumerator.Current;
+					}
+					catch (InvalidDataException) {
+						continue;
+					}
+					yield return ret;
+				}
+				file.Close();
+			}
+		}
+	}
+	public class FontManagerAndroid : FontManager {
+		protected override IEnumerable<Typeface> EnumerateAllTypefaces() {
+			return ScanDirectoryForTypefaces("/system/fonts");
+		}
+	}
+	public class FontManagerWindows : FontManager {
+		protected override IEnumerable<Typeface> EnumerateAllTypefaces() {
+			return ScanDirectoryForTypefaces("C:/Windows/Fonts");
+		}
+	}
+}

Assets/Cryville/Common/Font/FontMatcher.cs

@@ -0,0 +1,329 @@
+using Cryville.Common.Culture;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace Cryville.Common.Font {
+	public abstract class FontMatcher {
+		protected FontManager Manager { get; private set; }
+		public FontMatcher(FontManager manafer) { Manager = manafer; }
+		public abstract IEnumerable<Typeface> MatchScript(string script = null, bool distinctFamily = false);
+	}
+	public class FallbackListFontMatcher : FontMatcher {
+		public Dictionary<string, List<string>> MapScriptToTypefaces = new Dictionary<string, List<string>>();
+		public void LoadDefaultWindowsFallbackList() {
+			if (Environment.OSVersion.Platform != PlatformID.Win32NT) return;
+			MapScriptToTypefaces.Clear();
+			ScriptUtils.FillKeysWithScripts(MapScriptToTypefaces, () => new List<string>());
+			// Reference: https://github.com/chromium/chromium/blob/main/third_party/blink/renderer/platform/fonts/win/font_fallback_win.cc
+			MapScriptToTypefaces["zyyy"].Insert(0, "SimSun"); // Custom
+			MapScriptToTypefaces["zyyy"].Insert(0, "SimHei"); // Custom
+			MapScriptToTypefaces["zyyy"].Insert(0, "Microsoft YaHei"); // Custom
+			MapScriptToTypefaces["zyyy"].Insert(0, "Arial");
+			MapScriptToTypefaces["zyyy"].Insert(0, "Times New Roman");
+			MapScriptToTypefaces["zyyy"].Insert(0, "Segoe UI"); // Custom
+			MapScriptToTypefaces["arab"].Insert(0, "Tahoma");
+			MapScriptToTypefaces["cyrl"].Insert(0, "Times New Roman");
+			MapScriptToTypefaces["grek"].Insert(0, "Times New Roman");
+			MapScriptToTypefaces["hebr"].Insert(0, "David");
+			MapScriptToTypefaces["jpan"].Insert(0, "MS PGothic");
+			MapScriptToTypefaces["latn"].Insert(0, "Times New Roman");
+			MapScriptToTypefaces["hans"].Insert(0, "SimSun");
+			MapScriptToTypefaces["hans"].Insert(0, "SimHei"); // Custom
+			MapScriptToTypefaces["thai"].Insert(0, "Tahoma");
+			MapScriptToTypefaces["hans"].Insert(0, "PMingLiU");
+			// Reference: https://learn.microsoft.com/en-us/globalization/input/font-support
+			var ver = Environment.OSVersion.Version;
+			if (ver >= new Version(5, 0)) { // Windows 2000
+				MapScriptToTypefaces["armn"].Insert(0, "Sylfaen");
+				MapScriptToTypefaces["deva"].Insert(0, "Mangal");
+				MapScriptToTypefaces["geor"].Insert(0, "Sylfaen");
+				MapScriptToTypefaces["taml"].Insert(0, "Latha");
+			}
+			if (ver >= new Version(5, 1)) { // Windows XP
+				MapScriptToTypefaces["gujr"].Insert(0, "Shruti");
+				MapScriptToTypefaces["guru"].Insert(0, "Raavi");
+				MapScriptToTypefaces["knda"].Insert(0, "Tunga");
+				MapScriptToTypefaces["syrc"].Insert(0, "Estrangelo Edessa");
+				MapScriptToTypefaces["telu"].Insert(0, "Gautami");
+				MapScriptToTypefaces["thaa"].Insert(0, "MV Boli");
+				// SP2
+				MapScriptToTypefaces["beng"].Insert(0, "Vrinda");
+				MapScriptToTypefaces["mlym"].Insert(0, "Kartika");
+			}
+			if (ver >= new Version(6, 0)) { // Windows Vista
+				MapScriptToTypefaces["cans"].Insert(0, "Euphemia");
+				MapScriptToTypefaces["cher"].Insert(0, "Plantagenet");
+				MapScriptToTypefaces["ethi"].Insert(0, "Nyala");
+				MapScriptToTypefaces["khmr"].Insert(0, "DaunPenh MoolBoran");
+				MapScriptToTypefaces["laoo"].Insert(0, "DokChampa");
+				MapScriptToTypefaces["mong"].Insert(0, "Mongolian Baiti");
+				MapScriptToTypefaces["orya"].Insert(0, "Kalinga");
+				MapScriptToTypefaces["sinh"].Insert(0, "Iskoola Pota");
+				MapScriptToTypefaces["tibt"].Insert(0, "Microsoft Himalaya");
+				MapScriptToTypefaces["yiii"].Insert(0, "Microsoft Yi Baiti");
+				MapScriptToTypefaces["arab"].Insert(0, "Segoe UI");
+				MapScriptToTypefaces["cyrl"].Insert(0, "Segoe UI");
+				MapScriptToTypefaces["grek"].Insert(0, "Segoe UI");
+				MapScriptToTypefaces["latn"].Insert(0, "Segoe UI");
+				MapScriptToTypefaces["hans"].Add("SimSun-ExtB");
+				MapScriptToTypefaces["hant"].Add("MingLiU-ExtB");
+				MapScriptToTypefaces["hant"].Add("MingLiU_HKSCS-ExtB");
+				MapScriptToTypefaces["arab"].Add("Microsoft Uighur");
+				MapScriptToTypefaces["zmth"].Insert(0, "Cambria Math");
+				// Reference: https://en.wikipedia.org/wiki/List_of_CJK_fonts
+				MapScriptToTypefaces["jpan"].Insert(0, "Meiryo");
+				MapScriptToTypefaces["hans"].Insert(0, "Microsoft YaHei");
+			}
+			if (ver >= new Version(6, 1)) { // Windows 7
+				MapScriptToTypefaces["brai"].Insert(0, "Segoe UI Symbol");
+				MapScriptToTypefaces["dsrt"].Insert(0, "Segoe UI Symbol");
+				MapScriptToTypefaces["talu"].Insert(0, "Microsoft New Tai Lue");
+				MapScriptToTypefaces["ogam"].Insert(0, "Segoe UI Symbol");
+				MapScriptToTypefaces["osma"].Insert(0, "Ebrima");
+				MapScriptToTypefaces["phag"].Insert(0, "Microsoft PhagsPa");
+				MapScriptToTypefaces["runr"].Insert(0, "Segoe UI Symbol");
+				MapScriptToTypefaces["zsym"].Insert(0, "Segoe UI Symbol");
+				MapScriptToTypefaces["tale"].Insert(0, "Microsoft Tai Le");
+				MapScriptToTypefaces["tfng"].Insert(0, "Ebrima");
+				MapScriptToTypefaces["vaii"].Insert(0, "Ebrima");
+			}
+			if (ver >= new Version(6, 2)) { // Windows 8
+				MapScriptToTypefaces["glag"].Insert(0, "Segoe UI Symbol");
+				MapScriptToTypefaces["goth"].Insert(0, "Segoe UI Symbol");
+				MapScriptToTypefaces["hang"].Add("Malgun Gothic");
+				MapScriptToTypefaces["ital"].Insert(0, "Segoe UI Symbol");
+				MapScriptToTypefaces["lisu"].Insert(0, "Segoe UI");
+				MapScriptToTypefaces["mymr"].Insert(0, "Myanmar Text");
+				MapScriptToTypefaces["nkoo"].Insert(0, "Ebrima");
+				MapScriptToTypefaces["orkh"].Insert(0, "Segoe UI Symbol");
+				MapScriptToTypefaces["ethi"].Insert(0, "Ebrima");
+				MapScriptToTypefaces["cans"].Insert(0, "Gadugi");
+				MapScriptToTypefaces["hant"].Insert(0, "Microsoft JhengHei UI");
+				MapScriptToTypefaces["hans"].Insert(0, "Microsoft YaHei UI");
+				MapScriptToTypefaces["beng"].Insert(0, "Nirmala UI");
+				MapScriptToTypefaces["deva"].Insert(0, "Nirmala UI");
+				MapScriptToTypefaces["gujr"].Insert(0, "Nirmala UI");
+				MapScriptToTypefaces["guru"].Insert(0, "Nirmala UI"); // NOT DOCUMENTED, UNVERIFIED
+				MapScriptToTypefaces["knda"].Insert(0, "Nirmala UI"); // NOT DOCUMENTED, UNVERIFIED
+				MapScriptToTypefaces["mlym"].Insert(0, "Nirmala UI");
+				MapScriptToTypefaces["orya"].Insert(0, "Nirmala UI");
+				MapScriptToTypefaces["sinh"].Insert(0, "Nirmala UI"); // NOT DOCUMENTED, UNVERIFIED
+				MapScriptToTypefaces["taml"].Insert(0, "Nirmala UI"); // NOT DOCUMENTED, UNVERIFIED
+				MapScriptToTypefaces["telu"].Insert(0, "Nirmala UI");
+				MapScriptToTypefaces["armn"].Insert(0, "Segoe UI");
+				MapScriptToTypefaces["geor"].Insert(0, "Segoe UI");
+				MapScriptToTypefaces["hebr"].Insert(0, "Segoe UI");
+			}
+			if (ver >= new Version(6, 3)) { // Windows 8.1
+				MapScriptToTypefaces["bugi"].Insert(0, "Leelawadee UI");
+				MapScriptToTypefaces["copt"].Insert(0, "Segoe UI Symbol");
+				MapScriptToTypefaces["java"].Insert(0, "Javanese Text");
+				MapScriptToTypefaces["merc"].Insert(0, "Segoe UI Symbol");
+				MapScriptToTypefaces["olck"].Insert(0, "Nirmala UI");
+				MapScriptToTypefaces["sora"].Insert(0, "Nirmala UI");
+				MapScriptToTypefaces["khmr"].Insert(0, "Leelawadee UI");
+				MapScriptToTypefaces["laoo"].Insert(0, "Leelawadee UI");
+				MapScriptToTypefaces["thai"].Insert(0, "Leelawadee UI");
+				MapScriptToTypefaces["zsye"].Insert(0, "Segoe UI Emoji");
+			}
+			if (ver >= new Version(10, 0)) { // Windows 10
+				MapScriptToTypefaces["brah"].Insert(0, "Segoe UI Historic");
+				MapScriptToTypefaces["cari"].Insert(0, "Segoe UI Historic");
+				MapScriptToTypefaces["cprt"].Insert(0, "Segoe UI Historic");
+				MapScriptToTypefaces["egyp"].Insert(0, "Segoe UI Historic");
+				MapScriptToTypefaces["armi"].Insert(0, "Segoe UI Historic");
+				MapScriptToTypefaces["phli"].Insert(0, "Segoe UI Historic");
+				MapScriptToTypefaces["prti"].Insert(0, "Segoe UI Historic");
+				MapScriptToTypefaces["khar"].Insert(0, "Segoe UI Historic");
+				MapScriptToTypefaces["lyci"].Insert(0, "Segoe UI Historic");
+				MapScriptToTypefaces["lydi"].Insert(0, "Segoe UI Historic");
+				MapScriptToTypefaces["phnx"].Insert(0, "Segoe UI Historic");
+				MapScriptToTypefaces["xpeo"].Insert(0, "Segoe UI Historic");
+				MapScriptToTypefaces["sarb"].Insert(0, "Segoe UI Historic");
+				MapScriptToTypefaces["shaw"].Insert(0, "Segoe UI Historic");
+				MapScriptToTypefaces["xsux"].Insert(0, "Segoe UI Historic");
+				MapScriptToTypefaces["ugar"].Insert(0, "Segoe UI Historic");
+				// Segoe UI Symbol -> Segoe UI Historic
+				MapScriptToTypefaces["glag"].Insert(0, "Segoe UI Historic");
+				MapScriptToTypefaces["goth"].Insert(0, "Segoe UI Historic");
+				MapScriptToTypefaces["merc"].Insert(0, "Segoe UI Historic");
+				MapScriptToTypefaces["ogam"].Insert(0, "Segoe UI Historic");
+				MapScriptToTypefaces["ital"].Insert(0, "Segoe UI Historic");
+				MapScriptToTypefaces["orkh"].Insert(0, "Segoe UI Historic");
+				MapScriptToTypefaces["runr"].Insert(0, "Segoe UI Historic");
+				//
+				MapScriptToTypefaces["jpan"].Insert(0, "Yu Gothic UI");
+				MapScriptToTypefaces["zsym"].Add("Segoe MDL2 Assets");
+			}
+		}
+		public void LoadDefaultAndroidFallbackList() {
+			if (Environment.OSVersion.Platform != PlatformID.Unix) return;
+			MapScriptToTypefaces.Clear();
+			ScriptUtils.FillKeysWithScripts(MapScriptToTypefaces, () => new List<string>());
+			MapScriptToTypefaces["zyyy"].Insert(0, "Noto Sans CJK TC"); // TODO Modify default fallback
+			MapScriptToTypefaces["zyyy"].Insert(0, "Noto Sans CJK JP");
+			MapScriptToTypefaces["zyyy"].Insert(0, "Noto Sans CJK SC");
+			MapScriptToTypefaces["zyyy"].Insert(0, "Roboto");
+			MapScriptToTypefaces["zsye"].Insert(0, "Noto Color Emoji");
+			MapScriptToTypefaces["zsye"].Add("Noto Color Emoji Flags");
+			MapScriptToTypefaces["arab"].Insert(0, "Noto Naskh Arabic");
+			MapScriptToTypefaces["adlm"].Insert(0, "Noto Sans Adlam");
+			MapScriptToTypefaces["ahom"].Insert(0, "Noto Sans Ahom");
+			MapScriptToTypefaces["hluw"].Insert(0, "Noto Sans Anatolian Hieroglyphs");
+			MapScriptToTypefaces["armn"].Insert(0, "Noto Sans Armenian");
+			MapScriptToTypefaces["avst"].Insert(0, "Noto Sans Avestan");
+			MapScriptToTypefaces["bali"].Insert(0, "Noto Sans Balinese");
+			MapScriptToTypefaces["bamu"].Insert(0, "Noto Sans Bamum");
+			MapScriptToTypefaces["bass"].Insert(0, "Noto Sans Bassa Vah");
+			MapScriptToTypefaces["batk"].Insert(0, "Noto Sans Batak");
+			MapScriptToTypefaces["beng"].Insert(0, "Noto Sans Bengali");
+			MapScriptToTypefaces["bhks"].Insert(0, "Noto Sans Bhaiksuki");
+			MapScriptToTypefaces["brah"].Insert(0, "Noto Sans Brahmi");
+			MapScriptToTypefaces["bugi"].Insert(0, "Noto Sans Buginese");
+			MapScriptToTypefaces["buhd"].Insert(0, "Noto Sans Buhid");
+			MapScriptToTypefaces["jpan"].Insert(0, "Noto Sans CJK JP");
+			MapScriptToTypefaces["kore"].Insert(0, "Noto Sans CJK KR");
+			MapScriptToTypefaces["hans"].Insert(0, "Noto Sans CJK SC");
+			MapScriptToTypefaces["hant"].Insert(0, "Noto Sans CJK TC");
+			MapScriptToTypefaces["hant"].Add("Noto Sans CJK HK");
+			MapScriptToTypefaces["cans"].Insert(0, "Noto Sans Canadian Aboriginal");
+			MapScriptToTypefaces["cari"].Insert(0, "Noto Sans Carian");
+			MapScriptToTypefaces["cakm"].Insert(0, "Noto Sans Chakma");
+			MapScriptToTypefaces["cham"].Insert(0, "Noto Sans Cham");
+			MapScriptToTypefaces["cher"].Insert(0, "Noto Sans Cherokee");
+			MapScriptToTypefaces["copt"].Insert(0, "Noto Sans Coptic");
+			MapScriptToTypefaces["xsux"].Insert(0, "Noto Sans Cuneiform");
+			MapScriptToTypefaces["cprt"].Insert(0, "Noto Sans Cypriot");
+			MapScriptToTypefaces["dsrt"].Insert(0, "Noto Sans Deseret");
+			MapScriptToTypefaces["deva"].Insert(0, "Noto Sans Devanagari");
+			MapScriptToTypefaces["egyp"].Insert(0, "Noto Sans Egyptian Hieroglyphs");
+			MapScriptToTypefaces["elba"].Insert(0, "Noto Sans Elbasan");
+			MapScriptToTypefaces["ethi"].Insert(0, "Noto Sans Ethiopic");
+			MapScriptToTypefaces["geor"].Insert(0, "Noto Sans Georgian");
+			MapScriptToTypefaces["glag"].Insert(0, "Noto Sans Glagolitic");
+			MapScriptToTypefaces["goth"].Insert(0, "Noto Sans Gothic");
+			MapScriptToTypefaces["gran"].Insert(0, "Noto Sans Grantha");
+			MapScriptToTypefaces["gujr"].Insert(0, "Noto Sans Gujarati");
+			MapScriptToTypefaces["gong"].Insert(0, "Noto Sans Gunjala Gondi");
+			MapScriptToTypefaces["guru"].Insert(0, "Noto Sans Gurmukhi");
+			MapScriptToTypefaces["rohg"].Insert(0, "Noto Sans Hanifi Rohingya");
+			MapScriptToTypefaces["hano"].Insert(0, "Noto Sans Hanunoo");
+			MapScriptToTypefaces["hatr"].Insert(0, "Noto Sans Hatran");
+			MapScriptToTypefaces["hebr"].Insert(0, "Noto Sans Hebrew");
+			MapScriptToTypefaces["armi"].Insert(0, "Noto Sans Imperial Aramaic");
+			MapScriptToTypefaces["phli"].Insert(0, "Noto Sans Inscriptional Pahlavi");
+			MapScriptToTypefaces["prti"].Insert(0, "Noto Sans Inscriptional Parthian");
+			MapScriptToTypefaces["java"].Insert(0, "Noto Sans Javanese");
+			MapScriptToTypefaces["kthi"].Insert(0, "Noto Sans Kaithi");
+			MapScriptToTypefaces["knda"].Insert(0, "Noto Sans Kannada");
+			MapScriptToTypefaces["kali"].Insert(0, "Noto Sans KayahLi");
+			MapScriptToTypefaces["khar"].Insert(0, "Noto Sans Kharoshthi");
+			MapScriptToTypefaces["khmr"].Insert(0, "Noto Sans Khmer");
+			MapScriptToTypefaces["khoj"].Insert(0, "Noto Sans Khojki");
+			MapScriptToTypefaces["laoo"].Insert(0, "Noto Sans Lao");
+			MapScriptToTypefaces["lepc"].Insert(0, "Noto Sans Lepcha");
+			MapScriptToTypefaces["limb"].Insert(0, "Noto Sans Limbu");
+			MapScriptToTypefaces["lina"].Insert(0, "Noto Sans Linear A");
+			MapScriptToTypefaces["linb"].Insert(0, "Noto Sans Linear B");
+			MapScriptToTypefaces["lisu"].Insert(0, "Noto Sans Lisu");
+			MapScriptToTypefaces["lyci"].Insert(0, "Noto Sans Lycian");
+			MapScriptToTypefaces["lydi"].Insert(0, "Noto Sans Lydian");
+			MapScriptToTypefaces["mlym"].Insert(0, "Noto Sans Malayalam");
+			MapScriptToTypefaces["mand"].Insert(0, "Noto Sans Mandiac");
+			MapScriptToTypefaces["mani"].Insert(0, "Noto Sans Manichaean");
+			MapScriptToTypefaces["marc"].Insert(0, "Noto Sans Marchen");
+			MapScriptToTypefaces["gonm"].Insert(0, "Noto Sans Masaram Gondi");
+			MapScriptToTypefaces["medf"].Insert(0, "Noto Sans Medefaidrin");
+			MapScriptToTypefaces["mtei"].Insert(0, "Noto Sans Meetei Mayek");
+			MapScriptToTypefaces["merc"].Insert(0, "Noto Sans Meroitic");
+			MapScriptToTypefaces["mero"].Insert(0, "Noto Sans Meroitic");
+			MapScriptToTypefaces["plrd"].Insert(0, "Noto Sans Miao");
+			MapScriptToTypefaces["modi"].Insert(0, "Noto Sans Modi");
+			MapScriptToTypefaces["mong"].Insert(0, "Noto Sans Mongolian");
+			MapScriptToTypefaces["mroo"].Insert(0, "Noto Sans Mro");
+			MapScriptToTypefaces["mult"].Insert(0, "Noto Sans Multani");
+			MapScriptToTypefaces["mymr"].Insert(0, "Noto Sans Myanmar");
+			MapScriptToTypefaces["nkoo"].Insert(0, "Noto Sans Nko");
+			MapScriptToTypefaces["nbat"].Insert(0, "Noto Sans Nabataean");
+			MapScriptToTypefaces["talu"].Insert(0, "Noto Sans New Tai Lue");
+			MapScriptToTypefaces["newa"].Insert(0, "Noto Sans Newa");
+			MapScriptToTypefaces["ogam"].Insert(0, "Noto Sans Ogham");
+			MapScriptToTypefaces["olck"].Insert(0, "Noto Sans Ol Chiki");
+			MapScriptToTypefaces["ital"].Insert(0, "Noto Sans Old Italian");
+			MapScriptToTypefaces["narb"].Insert(0, "Noto Sans Old North Arabian");
+			MapScriptToTypefaces["perm"].Insert(0, "Noto Sans Old Permic");
+			MapScriptToTypefaces["xpeo"].Insert(0, "Noto Sans Old Persian");
+			MapScriptToTypefaces["sarb"].Insert(0, "Noto Sans Old South Arabian");
+			MapScriptToTypefaces["orkh"].Insert(0, "Noto Sans Old Turkic");
+			MapScriptToTypefaces["orya"].Insert(0, "Noto Sans Oriya");
+			MapScriptToTypefaces["osge"].Insert(0, "Noto Sans Osage");
+			MapScriptToTypefaces["osma"].Insert(0, "Noto Sans Osmanya");
+			MapScriptToTypefaces["hmng"].Insert(0, "Noto Sans Pahawh Hmong");
+			MapScriptToTypefaces["palm"].Insert(0, "Noto Sans Palmyrene");
+			MapScriptToTypefaces["pauc"].Insert(0, "Noto Sans Pau Cin Hau");
+			MapScriptToTypefaces["phag"].Insert(0, "Noto Sans Phags Pa");
+			MapScriptToTypefaces["phnx"].Insert(0, "Noto Sans Phoenician");
+			MapScriptToTypefaces["rjng"].Insert(0, "Noto Sans Rejang");
+			MapScriptToTypefaces["runr"].Insert(0, "Noto Sans Runic");
+			MapScriptToTypefaces["samr"].Insert(0, "Noto Sans Samaritan");
+			MapScriptToTypefaces["saur"].Insert(0, "Noto Sans Saurashtra");
+			MapScriptToTypefaces["shrd"].Insert(0, "Noto Sans Sharada");
+			MapScriptToTypefaces["shaw"].Insert(0, "Noto Sans Shavian");
+			MapScriptToTypefaces["sinh"].Insert(0, "Noto Sans Sinhala");
+			MapScriptToTypefaces["sora"].Insert(0, "Noto Sans Sora Sompeng");
+			MapScriptToTypefaces["soyo"].Insert(0, "Noto Sans Soyombo");
+			MapScriptToTypefaces["sund"].Insert(0, "Noto Sans Sundanese");
+			MapScriptToTypefaces["sylo"].Insert(0, "Noto Sans Syloti Nagri");
+			MapScriptToTypefaces["zsym"].Insert(0, "Noto Sans Symbols");
+			MapScriptToTypefaces["syrn"].Insert(0, "Noto Sans Syriac Eastern");
+			MapScriptToTypefaces["syre"].Insert(0, "Noto Sans Syriac Estrangela");
+			MapScriptToTypefaces["syrj"].Insert(0, "Noto Sans Syriac Western");
+			MapScriptToTypefaces["tglg"].Insert(0, "Noto Sans Tagalog");
+			MapScriptToTypefaces["tagb"].Insert(0, "Noto Sans Tagbanwa");
+			MapScriptToTypefaces["tale"].Insert(0, "Noto Sans Tai Le");
+			MapScriptToTypefaces["lana"].Insert(0, "Noto Sans Tai Tham");
+			MapScriptToTypefaces["tavt"].Insert(0, "Noto Sans Tai Viet");
+			MapScriptToTypefaces["takr"].Insert(0, "Noto Sans Takri");
+			MapScriptToTypefaces["taml"].Insert(0, "Noto Sans Tamil");
+			MapScriptToTypefaces["telu"].Insert(0, "Noto Sans Telugu");
+			MapScriptToTypefaces["thaa"].Insert(0, "Noto Sans Thaana");
+			MapScriptToTypefaces["thai"].Insert(0, "Noto Sans Thai");
+			MapScriptToTypefaces["tfng"].Insert(0, "Noto Sans Tifinagh");
+			MapScriptToTypefaces["ugar"].Insert(0, "Noto Sans Ugaritic");
+			MapScriptToTypefaces["vaii"].Insert(0, "Noto Sans Vai");
+			MapScriptToTypefaces["wcho"].Insert(0, "Noto Sans Wancho");
+			MapScriptToTypefaces["wara"].Insert(0, "Noto Sans Warang Citi");
+			MapScriptToTypefaces["yiii"].Insert(0, "Noto Sans Yi");
+		}
+		public FallbackListFontMatcher(FontManager manager) : base(manager) { }
+		public override IEnumerable<Typeface> MatchScript(string script = null, bool distinctFamily = false) {
+			if (string.IsNullOrEmpty(script)) script = ScriptUtils.UltimateFallbackScript;
+			List<string> candidates;
+			IEnumerable<string> candidateScripts = new string[] { script };
+			while (candidateScripts != null) {
+				foreach (var candidateScript in candidateScripts) {
+					if (MapScriptToTypefaces.TryGetValue(candidateScript, out candidates)) {
+						foreach (var candidate in candidates) {
+							IReadOnlyCollection<Typeface> typefaces1;
+							if (Manager.MapFullNameToTypeface.TryGetValue(candidate, out typefaces1)) {
+								foreach (var typeface in typefaces1) {
+									yield return typeface;
+								}
+							}
+							if (distinctFamily) continue;
+							IReadOnlyCollection<Typeface> typefaces2;
+							if (Manager.MapNameToTypefaces.TryGetValue(candidate, out typefaces2)) {
+								foreach (var typeface in typefaces2) {
+									if (typefaces1.Contains(typeface)) continue;
+									yield return typeface;
+								}
+							}
+						}
+					}
+				}
+				candidateScripts = ScriptUtils.EnumerateFallbackScripts(script);
+			}
+		}
+	}
+}

Assets/Cryville/Common/Font/FontMatcher.cs.meta

@@ -0,0 +1,11 @@
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+guid: afcde0ad1865db24da79ca1ce7256791
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Cryville/Common/Font/FontTable.cs

@@ -0,0 +1,222 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Text;
+
+namespace Cryville.Common.Font {
+	public abstract class FontTable<T> {
+		protected UInt32 Offset { get; private set; }
+		protected BinaryReader Reader { get; private set; }
+
+		protected FontTable(BinaryReader reader, UInt32 offset) {
+			Reader = reader;
+			Offset = offset;
+			reader.BaseStream.Position = offset;
+		}
+		public abstract IReadOnlyList<T> GetItems();
+	}
+	public abstract class FontTable<T, U> : FontTable<T> {
+		protected FontTable(BinaryReader reader, UInt32 offset) : base(reader, offset) { }
+		public abstract U GetSubTable(T item);
+	}
+	public sealed class TTCHeader : FontTable<UInt32, TableDirectory> {
+		readonly String ttcTag;
+		readonly UInt16 majorVersion;
+		readonly UInt16 minorVersion;
+		readonly UInt32 numFonts;
+		readonly List<UInt32> tableDirectoryOffsets = new List<UInt32>();
+		readonly String dsigTag;
+		readonly UInt32 dsigLength;
+		readonly UInt32 dsigOffset;
+		public TTCHeader(BinaryReader reader, UInt32 offset) : base(reader, offset) {
+			ttcTag = reader.ReadTag();
+			if (ttcTag != "ttcf") throw new NotImplementedException();
+			majorVersion = reader.ReadUInt16();
+			minorVersion = reader.ReadUInt16();
+			numFonts = reader.ReadUInt32();
+			for (UInt32 i = 0; i < numFonts; i++) tableDirectoryOffsets.Add(reader.ReadUInt32());
+			if (majorVersion == 2) {
+				dsigTag = reader.ReadTag();
+				dsigLength = reader.ReadUInt32();
+				dsigOffset = reader.ReadUInt32();
+			}
+		}
+		public override IReadOnlyList<UInt32> GetItems() {
+			return tableDirectoryOffsets;
+		}
+		public override TableDirectory GetSubTable(UInt32 item) {
+			var i = item;
+			return new TableDirectory(Reader, i);
+		}
+	}
+	public sealed class TableDirectory : FontTable<TableRecord, object> {
+		readonly UInt32 sfntVersion;
+		readonly UInt16 numTables;
+		readonly UInt16 searchRange;
+		readonly UInt16 entrySelector;
+		readonly UInt16 rangeShift;
+		readonly List<TableRecord> tableRecords = new List<TableRecord>();
+		public TableDirectory(BinaryReader reader, UInt32 offset) : base(reader, offset) {
+			sfntVersion = reader.ReadUInt32();
+			numTables = reader.ReadUInt16();
+			searchRange = reader.ReadUInt16();
+			entrySelector = reader.ReadUInt16();
+			rangeShift = reader.ReadUInt16();
+			for (int i = 0; i < numTables; i++)
+				tableRecords.Add(new TableRecord {
+					tableTag = reader.ReadTag(),
+					checksum = reader.ReadUInt32(),
+					offset = reader.ReadUInt32(),
+					length = reader.ReadUInt32(),
+				});
+		}
+		public override IReadOnlyList<TableRecord> GetItems() {
+			return tableRecords;
+		}
+		public override object GetSubTable(TableRecord item) {
+			switch (item.tableTag) {
+				case "name": return new NameTable(Reader, item.offset);
+				case "meta": return new MetaTable(Reader, item.offset);
+				default: throw new NotImplementedException();
+			}
+		}
+	}
+	public struct TableRecord {
+		public string tableTag;
+		public UInt32 checksum;
+		public UInt32 offset;
+		public UInt32 length;
+	}
+	public sealed class NameTable : FontTable<NameRecord> {
+		readonly UInt16 version;
+		readonly UInt16 count;
+		readonly UInt16 storageOffset;
+		readonly List<NameRecord> nameRecord = new List<NameRecord>();
+		readonly UInt16 langTagCount;
+		readonly List<LangTagRecord> langTagRecord = new List<LangTagRecord>();
+		public NameTable(BinaryReader reader, UInt32 offset) : base(reader, offset) {
+			version = reader.ReadUInt16();
+			count = reader.ReadUInt16();
+			storageOffset = reader.ReadUInt16();
+			for (UInt16 i = 0; i < count; i++)
+				nameRecord.Add(new NameRecord {
+					platformID = reader.ReadUInt16(),
+					encodingID = reader.ReadUInt16(),
+					languageID = reader.ReadUInt16(),
+					nameID = (NameID)reader.ReadUInt16(),
+					length = reader.ReadUInt16(),
+					stringOffset = reader.ReadUInt16(),
+				});
+			if (version == 1) {
+				langTagCount = reader.ReadUInt16();
+				for (UInt16 i = 0; i < langTagCount; i++)
+					langTagRecord.Add(new LangTagRecord {
+						length = reader.ReadUInt16(),
+						langTagOffset = reader.ReadUInt16(),
+					});
+			}
+			UInt32 origin = (UInt32)reader.BaseStream.Position;
+			for (int i = 0; i < nameRecord.Count; i++) nameRecord[i] = nameRecord[i].Load(reader, origin);
+			for (int i = 0; i < langTagRecord.Count; i++) langTagRecord[i] = langTagRecord[i].Load(reader, origin);
+		}
+		public sealed override IReadOnlyList<NameRecord> GetItems() {
+			return nameRecord;
+		}
+	}
+	public struct NameRecord {
+		public UInt16 platformID;
+		public UInt16 encodingID;
+		public UInt16 languageID;
+		public NameID nameID;
+		public UInt16 length;
+		public UInt16 stringOffset;
+		public String value { get; private set; }
+		public NameRecord Load(BinaryReader reader, UInt32 origin) {
+			reader.BaseStream.Position = origin + stringOffset;
+			Encoding encoding;
+			switch (platformID) {
+				case 0: encoding = Encoding.BigEndianUnicode; break;
+				case 3: encoding = Encoding.BigEndianUnicode; break;
+				default: return this;
+			}
+			value = encoding.GetString(reader.ReadBytes(length));
+			return this;
+		}
+	}
+	public enum NameID : UInt16 {
+		CopyrightNotice      =  0,
+		FontFamilyName       =  1,
+		FontSubfamilyName    =  2,
+		UniqueFontIdentifier =  3,
+		FullFontName         =  4,
+		VersionString        =  5,
+		PostScriptName       =  6,
+		Trademark            =  7,
+		ManufacturerName     =  8,
+		Designer             =  9,
+		Description          = 10,
+		URLVendor            = 11,
+		URLDesigner          = 12,
+		LicenseDescription   = 13,
+		LicenseInfoURL       = 14,
+
+		TypographicFamilyName          = 16,
+		TypographicSubfamilyName       = 17,
+		CompatibleFull                 = 18,
+		SampleText                     = 19,
+		PostScriptCIDFindfontName      = 20,
+		WWSFamilyName                  = 21,
+		WWSSubfamilyName               = 22,
+		LightBackgroundPalette         = 23,
+		DarkBackgroundPalette          = 24,
+		VariationsPostScriptNamePrefix = 25,
+	}
+	public struct LangTagRecord {
+		public UInt16 length;
+		public UInt16 langTagOffset;
+		public String value { get; private set; }
+		public LangTagRecord Load(BinaryReader reader, UInt32 origin) {
+			reader.BaseStream.Position = origin + langTagOffset;
+			value = Encoding.BigEndianUnicode.GetString(reader.ReadBytes(length));
+			return this;
+		}
+	}
+	public sealed class MetaTable : FontTable<DataMap> {
+		readonly UInt32 version;
+		readonly UInt32 flags;
+		readonly UInt32 dataMapCount;
+		readonly List<DataMap> dataMaps = new List<DataMap>();
+		public MetaTable(BinaryReader reader, UInt32 offset) : base(reader, offset) {
+			version = reader.ReadUInt32();
+			flags = reader.ReadUInt32();
+			reader.ReadUInt32();
+			dataMapCount = reader.ReadUInt32();
+			for (UInt32 i = 0; i < dataMapCount; i++)
+				dataMaps.Add(new DataMap {
+					tag = reader.ReadTag(),
+					dataOffset = reader.ReadUInt32(),
+					dataLength = reader.ReadUInt32(),
+				});
+			for (int i = 0; i < dataMaps.Count; i++) dataMaps[i] = dataMaps[i].Load(reader, offset);
+		}
+		public sealed override IReadOnlyList<DataMap> GetItems() {
+			return dataMaps;
+		}
+	}
+	public struct DataMap {
+		public String tag;
+		public UInt32 dataOffset;
+		public UInt32 dataLength;
+		public String value { get; private set; }
+		public DataMap Load(BinaryReader reader, UInt32 origin) {
+			reader.BaseStream.Position = origin + dataOffset;
+			value = Encoding.ASCII.GetString(reader.ReadBytes((int)dataLength));
+			return this;
+		}
+	}
+	public static class BinaryReaderExtensions {
+		public static string ReadTag(this BinaryReader reader) {
+			return Encoding.ASCII.GetString(reader.ReadBytes(4));
+		}
+	}
+}

Assets/Cryville/Common/Font/FontTable.cs.meta

@@ -0,0 +1,11 @@
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+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
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Assets/Cryville/Common/Font/FontUtil.cs

@@ -1,9 +0,0 @@
-using System.Globalization;
-
-namespace Cryville.Common.Font {
-	public static class FontUtil {
-		/*public static string MatchFontNameWithLang(string lang) {
-			
-		}*/
-	}
-}