feat: Initial commit

.gitattributes

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+###############################################################################
+# Set default behavior to automatically normalize line endings.
+###############################################################################
+* text=auto
+
+###############################################################################
+# Set default behavior for command prompt diff.
+#
+# This is need for earlier builds of msysgit that does not have it on by
+# default for csharp files.
+# Note: This is only used by command line
+###############################################################################
+#*.cs     diff=csharp
+
+###############################################################################
+# Set the merge driver for project and solution files
+#
+# Merging from the command prompt will add diff markers to the files if there
+# are conflicts (Merging from VS is not affected by the settings below, in VS
+# the diff markers are never inserted). Diff markers may cause the following 
+# file extensions to fail to load in VS. An alternative would be to treat
+# these files as binary and thus will always conflict and require user
+# intervention with every merge. To do so, just uncomment the entries below
+###############################################################################
+#*.sln       merge=binary
+#*.csproj    merge=binary
+#*.vbproj    merge=binary
+#*.vcxproj   merge=binary
+#*.vcproj    merge=binary
+#*.dbproj    merge=binary
+#*.fsproj    merge=binary
+#*.lsproj    merge=binary
+#*.wixproj   merge=binary
+#*.modelproj merge=binary
+#*.sqlproj   merge=binary
+#*.wwaproj   merge=binary
+
+###############################################################################
+# behavior for image files
+#
+# image files are treated as binary by default.
+###############################################################################
+#*.jpg   binary
+#*.png   binary
+#*.gif   binary
+
+###############################################################################
+# diff behavior for common document formats
+# 
+# Convert binary document formats to text before diffing them. This feature
+# is only available from the command line. Turn it on by uncommenting the 
+# entries below.
+###############################################################################
+#*.doc   diff=astextplain
+#*.DOC   diff=astextplain
+#*.docx  diff=astextplain
+#*.DOCX  diff=astextplain
+#*.dot   diff=astextplain
+#*.DOT   diff=astextplain
+#*.pdf   diff=astextplain
+#*.PDF   diff=astextplain
+#*.rtf   diff=astextplain
+#*.RTF   diff=astextplain

.gitignore

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+# This .gitignore file should be placed at the root of your Unity project directory
+#
+# Get latest from https://github.com/github/gitignore/blob/master/Unity.gitignore
+#
+/[Ll]ibrary/
+/[Tt]emp/
+/[Oo]bj/
+/[Bb]uild/
+/[Bb]uilds/
+/[Ll]ogs/
+/[Mm]emoryCaptures/
+
+# Asset meta data should only be ignored when the corresponding asset is also ignored
+!/[Aa]ssets/**/*.meta
+
+# Uncomment this line if you wish to ignore the asset store tools plugin
+# /[Aa]ssets/AssetStoreTools*
+
+# Autogenerated Jetbrains Rider plugin
+[Aa]ssets/Plugins/Editor/JetBrains*
+
+# Visual Studio cache directory
+.vs/
+
+# Gradle cache directory
+.gradle/
+
+# Autogenerated VS/MD/Consulo solution and project files
+ExportedObj/
+.consulo/
+*.csproj
+*.unityproj
+*.sln
+*.suo
+*.tmp
+*.user
+*.userprefs
+*.pidb
+*.booproj
+*.svd
+*.pdb
+*.mdb
+*.opendb
+*.VC.db
+
+# Unity3D generated meta files
+*.pidb.meta
+*.pdb.meta
+*.mdb.meta
+
+# Unity3D generated file on crash reports
+sysinfo.txt
+
+# Builds
+*.apk
+*.unitypackage
+
+# Crashlytics generated file
+crashlytics-build.properties
+
+#
+/Local
+/UserSettings

.vsconfig

@@ -0,0 +1,6 @@
+{
+  "version": "1.0",
+  "components": [
+    "Microsoft.VisualStudio.Workload.ManagedGame"
+  ]
+}

Assets/Cryville.Common.meta

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+folderAsset: yes
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+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Cryville.Common/Cryville.Common.asmdef

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+{
+    "name": "Cryville.Common",
+    "rootNamespace": "",
+    "references": [
+        "GUID:da293eebbcb9a4947a212534c52d1a32"
+    ],
+    "includePlatforms": [],
+    "excludePlatforms": [],
+    "allowUnsafeCode": false,
+    "overrideReferences": false,
+    "precompiledReferences": [],
+    "autoReferenced": false,
+    "defineConstraints": [],
+    "versionDefines": [],
+    "noEngineReferences": false
+}

Assets/Cryville.Common/Cryville.Common.asmdef.meta

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+guid: b92f9c7ac10b1c04e86fc48210f62ab1
+AssemblyDefinitionImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
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Assets/Cryville.Common/Font.meta

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+guid: 6e89e0a49233f9e48a97ca7751345a54
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
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Assets/Cryville.Common/Font/FontFile.cs

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+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

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Assets/Cryville.Common/Font/FontManager.cs

@@ -0,0 +1,64 @@
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+
+namespace Cryville.Common.Font {
+	public abstract class FontManager {
+		public IReadOnlyDictionary<string, Typeface> MapFullNameToTypeface { get; private set; }
+		public IReadOnlyDictionary<string, IReadOnlyCollection<Typeface>> MapNameToTypefaces { get; private set; }
+		public FontManager() {
+			var map1 = new Dictionary<string, Typeface>();
+			var map2 = new Dictionary<string, List<Typeface>>();
+			foreach (var f in EnumerateAllTypefaces()) {
+				if (!map1.ContainsKey(f.FullName)) {
+					map1.Add(f.FullName, f);
+				}
+				else {
+					continue;
+				}
+				List<Typeface> set2;
+				if (!map2.TryGetValue(f.FamilyName, out set2)) {
+					map2.Add(f.FamilyName, set2 = new List<Typeface>());
+				}
+				set2.Add(f);
+			}
+			MapFullNameToTypeface = map1;
+			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/FontManager.cs.meta

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

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Assets/Cryville.Common/Font/FontTable.cs

@@ -0,0 +1,256 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Text;
+
+#pragma warning disable IDE0049
+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>();
+#pragma warning disable IDE0052 // Reserved
+		readonly String dsigTag;
+		readonly UInt32 dsigLength;
+		readonly UInt32 dsigOffset;
+#pragma warning restore IDE0052 // Reserved
+		public TTCHeader(BinaryReader reader, UInt32 offset) : base(reader, offset) {
+			ttcTag = reader.ReadTag();
+			if (ttcTag != "ttcf") throw new NotSupportedException();
+			majorVersion = reader.ReadUInt16();
+			minorVersion = reader.ReadUInt16();
+			if (minorVersion != 0) throw new NotSupportedException();
+			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;
+#pragma warning disable IDE0052 // Reserved
+		readonly UInt16 searchRange;
+		readonly UInt16 entrySelector;
+		readonly UInt16 rangeShift;
+#pragma warning restore IDE0052 // Reserved
+		readonly List<TableRecord> tableRecords = new List<TableRecord>();
+		public TableDirectory(BinaryReader reader, UInt32 offset) : base(reader, offset) {
+			sfntVersion = reader.ReadUInt32();
+			if (sfntVersion != 0x00010000 && sfntVersion != 0x4F54544F &&
+				sfntVersion != 0x74727565 && sfntVersion != 0x74797031) throw new NotSupportedException();
+			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(
+					reader.ReadUInt16(),
+					reader.ReadUInt16(),
+					reader.ReadUInt16(),
+					(NameID)reader.ReadUInt16(),
+					reader.ReadUInt16(),
+					reader.ReadUInt16()
+				));
+			if (version == 1) {
+				langTagCount = reader.ReadUInt16();
+				for (UInt16 i = 0; i < langTagCount; i++)
+					langTagRecord.Add(new LangTagRecord(
+						reader.ReadUInt16(),
+						reader.ReadUInt16()
+					));
+			}
+			foreach (var i in nameRecord)
+				i.Load(reader, offset + storageOffset);
+			if (version == 1) {
+				foreach (var i in langTagRecord)
+					i.Load(reader, offset + storageOffset);
+			}
+		}
+		public sealed override IReadOnlyList<NameRecord> GetItems() {
+			return nameRecord;
+		}
+	}
+	public class NameRecord {
+		public UInt16 PlatformID { get; private set; }
+		public UInt16 EncodingID { get; private set; }
+		public UInt16 LanguageID { get; private set; }
+		public NameID NameID { get; private set; }
+		public UInt16 Length { get; private set; }
+		public UInt16 StringOffset { get; private set; }
+		public String Value { get; private set; }
+		public NameRecord(UInt16 platformID, UInt16 encodingID, UInt16 languageID, NameID nameID, UInt16 length, UInt16 stringOffset) {
+			PlatformID = platformID;
+			EncodingID = encodingID;
+			LanguageID = languageID;
+			NameID = nameID;
+			Length = length;
+			StringOffset = stringOffset;
+		}
+		public void Load(BinaryReader reader, UInt32 origin) {
+			reader.BaseStream.Position = origin + StringOffset;
+			Encoding encoding;
+			try {
+				switch (PlatformID) {
+					case 0: encoding = Encoding.BigEndianUnicode; break;
+					case 1: encoding = Encoding.GetEncoding(10000 + EncodingID); break;
+					case 3: encoding = Encoding.BigEndianUnicode; break;
+					default: return;
+				}
+			}
+			catch (NotSupportedException) { return; }
+			catch (ArgumentException) { return; }
+			Value = encoding.GetString(reader.ReadBytes(Length));
+		}
+	}
+	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 class LangTagRecord {
+		public UInt16 Length { get; private set; }
+		public UInt16 LangTagOffset { get; private set; }
+		public String Value { get; private set; }
+		public LangTagRecord(UInt16 length, UInt16 langTagOffset) {
+			Length = length;
+			LangTagOffset = langTagOffset;
+		}
+		public void Load(BinaryReader reader, UInt32 origin) {
+			reader.BaseStream.Position = origin + LangTagOffset;
+			Value = Encoding.BigEndianUnicode.GetString(reader.ReadBytes(Length));
+		}
+	}
+	public sealed class MetaTable : FontTable<DataMap> {
+		readonly UInt32 version;
+#pragma warning disable IDE0052 // Reserved
+		readonly UInt32 flags;
+#pragma warning restore IDE0052 // Reserved
+		readonly UInt32 dataMapCount;
+		readonly List<DataMap> dataMaps = new List<DataMap>();
+		public MetaTable(BinaryReader reader, UInt32 offset) : base(reader, offset) {
+			version = reader.ReadUInt32();
+			if (version != 1) throw new NotSupportedException();
+			flags = reader.ReadUInt32();
+			reader.ReadUInt32();
+			dataMapCount = reader.ReadUInt32();
+			for (UInt32 i = 0; i < dataMapCount; i++)
+				dataMaps.Add(new DataMap (
+					reader.ReadTag(),
+					reader.ReadUInt32(),
+					reader.ReadUInt32()
+				));
+			foreach (var i in dataMaps)
+				i.Load(reader, offset);
+		}
+		public sealed override IReadOnlyList<DataMap> GetItems() {
+			return dataMaps;
+		}
+	}
+	public class DataMap {
+		public String Tag { get; private set; }
+		public UInt32 DataOffset { get; private set; }
+		public UInt32 DataLength { get; private set; }
+		public String Value { get; private set; }
+		public DataMap(String tag, UInt32 dataOffset, UInt32 dataLength) {
+			Tag = tag;
+			DataOffset = dataOffset;
+			DataLength = dataLength;
+		}
+		public void Load(BinaryReader reader, UInt32 origin) {
+			reader.BaseStream.Position = origin + DataOffset;
+			Value = Encoding.ASCII.GetString(reader.ReadBytes((int)DataLength));
+		}
+	}
+	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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+  defaultReferences: []
+  executionOrder: 0
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+  userData: 
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+  assetBundleVariant: 

Assets/Cryville.Common/Font/Typeface.cs

@@ -0,0 +1,31 @@
+using System.IO;
+using System.Linq;
+
+namespace Cryville.Common.Font {
+	public abstract class Typeface {
+		public FileInfo File { get; private set; }
+		public int IndexInFile { get; private set; }
+		public string FamilyName { get; protected set; }
+		public string SubfamilyName { get; protected set; }
+		public string FullName { get; protected set; }
+		protected abstract void GetName(BinaryReader reader);
+
+		public Typeface(BinaryReader reader, FileInfo file, int index) {
+			File = file;
+			IndexInFile = index;
+			GetName(reader);
+		}
+	}
+	public class TypefaceTTF : Typeface {
+		public TypefaceTTF(BinaryReader reader, FileInfo file, int index)
+			: base(reader, file, index) { }
+
+		protected override void GetName(BinaryReader reader) {
+			var dir = new TableDirectory(reader, (uint)reader.BaseStream.Position);
+			var nameTable = (NameTable)dir.GetSubTable((from i in dir.GetItems() where i.tableTag == "name" select i).Single());
+			FamilyName = (from i in nameTable.GetItems() where i.NameID == NameID.FontFamilyName && i.Value != null select i.Value).First();
+			SubfamilyName = (from i in nameTable.GetItems() where i.NameID == NameID.FontSubfamilyName && i.Value != null select i.Value).First();
+			FullName = (from i in nameTable.GetItems() where i.NameID == NameID.FullFontName && i.Value != null select i.Value).First();
+		}
+	}
+}

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

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Assets/Cryville.Common/IO.meta

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Assets/Cryville.Common/IO/BinaryReaderBE.cs

@@ -0,0 +1,75 @@
+using System;
+using System.IO;
+using System.Text;
+
+namespace Cryville.Common.IO {
+	public class BinaryReaderBE : BinaryReader {
+		readonly byte[] m_buffer = new byte[8];
+
+		public BinaryReaderBE(Stream input) : base(input) { }
+
+		public BinaryReaderBE(Stream input, Encoding encoding) : base(input, encoding) { }
+
+		public BinaryReaderBE(Stream input, Encoding encoding, bool leaveOpen) : base(input, encoding, leaveOpen) { }
+
+		public override short ReadInt16() {
+			FillBuffer(2);
+			return (short)(m_buffer[1] | (m_buffer[0] << 8));
+		}
+		public override ushort ReadUInt16() {
+			FillBuffer(2);
+			return (ushort)(m_buffer[1] | (m_buffer[0] << 8));
+		}
+
+		public override int ReadInt32() {
+			FillBuffer(4);
+			return m_buffer[3] | (m_buffer[2] << 8) | (m_buffer[1] << 16) | (m_buffer[0] << 24);
+		}
+		public override uint ReadUInt32() {
+			FillBuffer(4);
+			return (uint)(m_buffer[3] | (m_buffer[2] << 8) | (m_buffer[1] << 16) | (m_buffer[0] << 24));
+		}
+
+		public override long ReadInt64() {
+			FillBuffer(8);
+			uint num = (uint)(m_buffer[7] | (m_buffer[6] << 8) | (m_buffer[5] << 16) | (m_buffer[4] << 24));
+			uint num2 = (uint)(m_buffer[3] | (m_buffer[2] << 8) | (m_buffer[1] << 16) | (m_buffer[0] << 24));
+			return (long)(((ulong)num2 << 32) | num);
+		}
+		public override ulong ReadUInt64() {
+			FillBuffer(8);
+			uint num = (uint)(m_buffer[7] | (m_buffer[6] << 8) | (m_buffer[5] << 16) | (m_buffer[4] << 24));
+			uint num2 = (uint)(m_buffer[3] | (m_buffer[2] << 8) | (m_buffer[1] << 16) | (m_buffer[0] << 24));
+			return ((ulong)num2 << 32) | num;
+		}
+		protected new void FillBuffer(int numBytes) {
+			if (m_buffer != null && (numBytes < 0 || numBytes > m_buffer.Length)) {
+				throw new ArgumentOutOfRangeException("numBytes", "Requested numBytes is larger than the internal buffer size");
+			}
+
+			int num = 0, num2;
+			if (BaseStream == null) {
+				throw new IOException("File not open");
+			}
+
+			if (numBytes == 1) {
+				num2 = BaseStream.ReadByte();
+				if (num2 == -1) {
+					throw new EndOfStreamException("The end of the stream is reached before numBytes could be read");
+				}
+				m_buffer[0] = (byte)num2;
+				return;
+			}
+
+			do {
+				num2 = BaseStream.Read(m_buffer, num, numBytes - num);
+				if (num2 == 0) {
+					throw new EndOfStreamException("The end of the stream is reached before numBytes could be read");
+				}
+
+				num += num2;
+			}
+			while (num < numBytes);
+		}
+	}
+}

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Assets/Cryville.Common/Unity.meta

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Assets/Cryville.Common/Unity/UI.meta

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

@@ -0,0 +1,113 @@
+using UnityEngine;
+using UnityEngine.EventSystems;
+using UnityEngine.UI;
+
+namespace Cryville.Common.Unity.UI {
+	/// <summary>
+	/// A <see cref="ILayoutElement" /> that takes the length of one axis to compute the preferred length of the other axis with respect to a aspect ratio.
+	/// </summary>
+	[AddComponentMenu("Layout/Aspect Ratio Layout Element")]
+	[ExecuteAlways]
+	public class AspectRatioLayoutElement : UIBehaviour, ILayoutElement {
+		[SerializeField]
+		[Tooltip("The aspect ratio. Width divided by height.")]
+		private float m_aspectRatio = 1;
+		/// <summary>
+		/// The aspect ratio. Width divided by height.
+		/// </summary>
+		public float AspectRatio {
+			get { return m_aspectRatio; }
+			set { SetProperty(ref m_aspectRatio, value); }
+		}
+
+		[SerializeField]
+		[Tooltip("Whether to compute the length of the y axis.")]
+		private bool m_isVertical = false;
+		/// <summary>
+		/// Whether to compute the length of the y axis.
+		/// </summary>
+		public bool IsVertical {
+			get { return m_isVertical; }
+			set { SetProperty(ref m_isVertical, value); }
+		}
+
+		private void SetProperty<T>(ref T prop, T value) {
+			if (Equals(prop, value)) return;
+			prop = value;
+			SetDirty();
+		}
+
+		/// <inheritdoc />
+		public float minWidth {
+			get {
+				return m_isVertical ? -1 : (transform as RectTransform).rect.height * m_aspectRatio;
+			}
+		}
+		/// <inheritdoc />
+		public float preferredWidth { get { return minWidth; } }
+		/// <inheritdoc />
+		public float flexibleWidth { get { return -1; } }
+
+		/// <inheritdoc />
+		public float minHeight {
+			get {
+				return m_isVertical ? (transform as RectTransform).rect.width / m_aspectRatio : -1;
+			}
+		}
+		/// <inheritdoc />
+		public float preferredHeight { get { return minHeight; } }
+		/// <inheritdoc />
+		public float flexibleHeight { get { return -1; } }
+
+		/// <inheritdoc />
+		public int layoutPriority { get { return 1; } }
+
+		/// <inheritdoc />
+		public void CalculateLayoutInputHorizontal() { }
+
+		/// <inheritdoc />
+		public void CalculateLayoutInputVertical() { }
+
+		protected override void OnEnable() {
+			base.OnEnable();
+			SetDirty();
+		}
+		protected override void OnBeforeTransformParentChanged() {
+			base.OnBeforeTransformParentChanged();
+			SetDirty();
+		}
+		protected override void OnTransformParentChanged() {
+			base.OnTransformParentChanged();
+			SetDirty();
+		}
+		protected override void OnDidApplyAnimationProperties() {
+			base.OnDidApplyAnimationProperties();
+			SetDirty();
+		}
+#if UNITY_EDITOR
+		protected override void OnValidate() {
+			base.OnValidate();
+			SetDirty();
+		}
+#endif
+		protected override void OnDisable() {
+			SetDirty();
+			base.OnDisable();
+		}
+		protected override void OnRectTransformDimensionsChange() {
+			base.OnRectTransformDimensionsChange();
+			SetDirty();
+		}
+		bool _delayedSetDirty;
+		private void SetDirty() {
+			if (!IsActive()) return;
+			if (CanvasUpdateRegistry.IsRebuildingLayout()) _delayedSetDirty = true;
+			else LayoutRebuilder.MarkLayoutForRebuild(transform as RectTransform);
+		}
+		void Update() {
+			if (!_delayedSetDirty) return;
+			_delayedSetDirty = false;
+			LayoutRebuilder.MarkLayoutForRebuild(transform as RectTransform);
+		}
+	}
+}

Assets/Cryville.Common/Unity/UI/AspectRatioLayoutElement.cs.meta

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

@@ -0,0 +1,24 @@
+using UnityEngine;
+
+namespace Cryville.Common.Unity.UI {
+	/// <summary>
+	/// A <see cref="DockLayoutGroup" /> that sets the aspect ratio of the docking element.
+	/// </summary>
+	[AddComponentMenu("Layout/Dock Aspect Ratio Layout Group")]
+	public sealed class DockAspectRatioLayoutGroup : DockLayoutGroup {
+		[SerializeField]
+		[Tooltip("The aspect ratio of the docking element.")]
+		private float m_dockAspectRatio = 1;
+		/// <summary>
+		/// The aspect ratio of the docking element.
+		/// </summary>
+		public float DockAspectRatio {
+			get { return m_dockAspectRatio; }
+			set { base.SetProperty(ref m_dockAspectRatio, value); }
+		}
+
+		protected override float GetDockElementSize(Vector2 groupSize) {
+			return groupSize.y * m_dockAspectRatio;
+		}
+	}
+}

Assets/Cryville.Common/Unity/UI/DockAspectRatioLayoutGroup.cs.meta

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

@@ -0,0 +1,136 @@
+using UnityEngine;
+using UnityEngine.UI;
+
+namespace Cryville.Common.Unity.UI {
+	/// <summary>
+	/// A <see cref="LayoutGroup" /> that docks its first child element to one side.
+	/// </summary>
+	public abstract class DockLayoutGroup : LayoutGroup {
+		/// <summary>
+		/// The dock side.
+		/// </summary>
+		public enum Side {
+			/// <summary>
+			/// Top.
+			/// </summary>
+			Top = 0,
+			/// <summary>
+			/// Right.
+			/// </summary>
+			Right = 1,
+			/// <summary>
+			/// Bottom.
+			/// </summary>
+			Bottom = 2,
+			/// <summary>
+			/// Left.
+			/// </summary>
+			Left = 3,
+		}
+		[SerializeField]
+		[Tooltip("The docking side of the first child element.")]
+		private Side m_side;
+		/// <summary>
+		/// The docking side of the first child element.
+		/// </summary>
+		public Side DockSide {
+			get { return m_side; }
+			set { SetProperty(ref m_side, value); }
+		}
+
+		[SerializeField]
+		[Tooltip("The slide index. The children slide along the cross axis.")]
+		private float m_slideIndex;
+		/// <summary>
+		/// The slide index. The children slide along the axis.
+		/// </summary>
+		public float SlideIndex {
+			get { return m_slideIndex; }
+			set { SetProperty(ref m_slideIndex, value); }
+		}
+
+		/// <inheritdoc />
+		public sealed override void CalculateLayoutInputHorizontal() { base.CalculateLayoutInputHorizontal(); CalcAlongAxis(0); }
+		/// <inheritdoc />
+		public sealed override void CalculateLayoutInputVertical() { CalcAlongAxis(1); }
+		/// <inheritdoc />
+		public sealed override void SetLayoutHorizontal() { SetChildrenAlongAxis(0); }
+		/// <inheritdoc />
+		public sealed override void SetLayoutVertical() { SetChildrenAlongAxis(1); }
+
+		private void CalcAlongAxis(int axis) {
+			int isHorizontal = (int)m_side & 1;
+			if ((isHorizontal ^ axis) == 1) {
+				SetLayoutInputForAxis(0, 0, 1, axis); // TODO
+			}
+			else {
+				float padding = isHorizontal == 0 ? m_Padding.horizontal : m_Padding.vertical;
+				float totalMin = 0, totalPreferred = 0, totalFlexible = 0;
+				for (int i = 0; i < rectChildren.Count; i++) {
+					GetChildSizes(rectChildren[i], axis, out float min, out float preferred, out float flexible);
+					if (min > totalMin) totalMin = min;
+					if (preferred > totalPreferred) totalPreferred = preferred;
+					if (flexible > totalFlexible) totalFlexible = flexible;
+				}
+				SetLayoutInputForAxis(totalMin + padding, totalPreferred + padding, totalFlexible, axis);
+			}
+		}
+		private void GetChildSizes(RectTransform child, int axis, out float min, out float preferred, out float flexible) {
+			min = LayoutUtility.GetMinSize(child, axis);
+			preferred = LayoutUtility.GetPreferredSize(child, axis);
+			flexible = LayoutUtility.GetFlexibleSize(child, axis);
+		}
+
+		private float GetSlidePosition(float groupHeight, float dockHeight) {
+			bool d = Mathf.FloorToInt(m_slideIndex - Mathf.Floor(m_slideIndex / 2) * 2) == 0;
+			int l = Mathf.FloorToInt(m_slideIndex / 2);
+			float p = m_slideIndex - Mathf.Floor(m_slideIndex);
+			if (d) return l * groupHeight + p * dockHeight;
+			else return l * groupHeight + dockHeight + p * (groupHeight - dockHeight);
+		}
+
+		private void SetChildrenAlongAxis(int axis) {
+			int isHorizontal = (int)m_side & 1;
+			bool isReversed = m_side == Side.Right || m_side == Side.Bottom;
+			var rect = rectTransform.rect;
+			if ((isHorizontal ^ axis) == 1) {
+				float p0 = isHorizontal == 1 ? m_Padding.left : m_Padding.top;
+				float p1 = isHorizontal == 1 ? m_Padding.right : m_Padding.bottom;
+				var gs = rect.size - new Vector2(m_Padding.horizontal, m_Padding.vertical);
+				if (isHorizontal == 0) gs = new Vector2(gs.y, gs.x);
+				if (rectChildren.Count == 1) {
+					SetChildAlongAxis(rectChildren[0], axis, p0, gs.x);
+				}
+				else {
+					float s1 = GetDockElementSize(gs);
+					float s0 = GetSlidePosition(gs.x, s1);
+					float a1 = (isHorizontal == 0 ? rect.height : rect.width) - p0 - p1;
+					for (int i = 0; i < rectChildren.Count; i++) {
+						var c = rectChildren[i];
+						bool d = i % 2 == 0;
+						int l = i / 2;
+						if (isReversed)
+							SetChildAlongAxis(c, axis, (d ? a1 - s1 + p0 : p0) - a1 * l + s0, d ? s1 : a1 - s1);
+						else
+							SetChildAlongAxis(c, axis, (d ? p0 : s1 + p0) - s0 + a1 * l, d ? s1 : a1 - s1);
+					}
+				}
+			}
+			else {
+				float p0 = isHorizontal == 0 ? m_Padding.left : m_Padding.top;
+				float p1 = isHorizontal == 0 ? m_Padding.right : m_Padding.bottom;
+				var height = (isHorizontal == 1 ? rect.height : rect.width) - p0 - p1;
+				for (int i = 0; i < rectChildren.Count; i++) {
+					SetChildAlongAxis(rectChildren[i], axis, p0, height);
+				}
+			}
+		}
+
+		/// <summary>
+		/// Gets the length of the first child element along the axis.
+		/// </summary>
+		/// <param name="groupSize">The size of the layout group.</param>
+		/// <returns></returns>
+		protected abstract float GetDockElementSize(Vector2 groupSize);
+	}
+}

Assets/Cryville.Common/Unity/UI/DockLayoutGroup.cs.meta

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

@@ -0,0 +1,24 @@
+using UnityEngine;
+
+namespace Cryville.Common.Unity.UI {
+	/// <summary>
+	/// A <see cref="DockLayoutGroup" /> that sets the occupied ratio of the docking element.
+	/// </summary>
+	[AddComponentMenu("Layout/Dock Occupied Ratio Layout Group")]
+	public sealed class DockOccupiedRatioLayoutGroup : DockLayoutGroup {
+		[SerializeField]
+		[Tooltip("The occupied ratio of the docking element.")]
+		private float m_dockOccupiedRatio = 1;
+		/// <summary>
+		/// The occupied ratio of the docking element.
+		/// </summary>
+		public float DockOccupiedRatio {
+			get { return m_dockOccupiedRatio; }
+			set { base.SetProperty(ref m_dockOccupiedRatio, value); }
+		}
+
+		protected override float GetDockElementSize(Vector2 groupSize) {
+			return groupSize.x * m_dockOccupiedRatio;
+		}
+	}
+}

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