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This commit is contained in:
Lucas Morgan
2022-06-12 12:37:32 -05:00
parent 2dcc6ca417
commit 4ca0b63564
43 changed files with 563 additions and 2128 deletions
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16
Gameboard.ShogiUI.Sockets.ServiceModels/Api/GetSession.cs
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@@ -1,16 +0,0 @@
using Gameboard.ShogiUI.Sockets.ServiceModels.Types;
using System.Collections.Generic;
namespace Gameboard.ShogiUI.Sockets.ServiceModels.Api
{
public class GetSessionResponse
{
public Game Game { get; set; }
/// <summary>
/// The perspective on the game of the requesting user.
/// </summary>
public WhichPerspective PlayerPerspective { get; set; }
public BoardState BoardState { get; set; }
public IList<Move> MoveHistory { get; set; }
}
}

4
Gameboard.ShogiUI.Sockets.ServiceModels/Api/GetSessions.cs
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@@ -5,7 +5,7 @@ namespace Gameboard.ShogiUI.Sockets.ServiceModels.Api
{
public class GetSessionsResponse
{
public Collection<Game> PlayerHasJoinedSessions { get; set; }
public Collection<Game> AllOtherSessions { get; set; }
public Collection<Session> PlayerHasJoinedSessions { get; set; }
public Collection<Session> AllOtherSessions { get; set; }
}
}

2
Gameboard.ShogiUI.Sockets.ServiceModels/Socket/CreateGame.cs
View File

@@ -6,7 +6,7 @@ namespace Gameboard.ShogiUI.Sockets.ServiceModels.Socket
public class CreateGameResponse : IResponse
{
public string Action { get; }
public Game Game { get; set; }
public Session Game { get; set; }
/// <summary>
/// The player who created the game.

4
Gameboard.ShogiUI.Sockets.ServiceModels/Types/BoardState.cs
View File

@@ -8,7 +8,7 @@ namespace Gameboard.ShogiUI.Sockets.ServiceModels.Types
public Dictionary<string, Piece?> Board { get; set; } = new Dictionary<string, Piece?>();
public IReadOnlyCollection<Piece> Player1Hand { get; set; } = Array.Empty<Piece>();
public IReadOnlyCollection<Piece> Player2Hand { get; set; } = Array.Empty<Piece>();
public WhichPerspective? PlayerInCheck { get; set; }
public WhichPerspective WhoseTurn { get; set; }
public WhichPlayer? PlayerInCheck { get; set; }
public WhichPlayer WhoseTurn { get; set; }
}
}

38
Gameboard.ShogiUI.Sockets.ServiceModels/Types/Game.cs
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@@ -1,38 +0,0 @@
using System.Collections.Generic;
namespace Gameboard.ShogiUI.Sockets.ServiceModels.Types
{
public class Game
{
public string Player1 { get; set; }
public string? Player2 { get; set; }
public string GameName { get; set; } = string.Empty;
/// <summary>
/// Players[0] is the session owner, Players[1] is the other person.
/// </summary>
public IReadOnlyList<string> Players
{
get
{
var list = new List<string>(2) { Player1 };
if (!string.IsNullOrEmpty(Player2)) list.Add(Player2);
return list;
}
}
/// <summary>
/// Constructor for serialization.
/// </summary>
public Game()
{
}
public Game(string gameName, string player1, string? player2 = null)
{
GameName = gameName;
Player1 = player1;
Player2 = player2;
}
}
}

2
Gameboard.ShogiUI.Sockets.ServiceModels/Types/Piece.cs
View File

@@ -4,6 +4,6 @@
{
public bool IsPromoted { get; set; }
public WhichPiece WhichPiece { get; set; }
public WhichPerspective Owner { get; set; }
public WhichPlayer Owner { get; set; }
}
}

10
Gameboard.ShogiUI.Sockets.ServiceModels/Types/Session.cs Normal file
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@@ -0,0 +1,10 @@
namespace Gameboard.ShogiUI.Sockets.ServiceModels.Types
{
public class Session
{
public string Player1 { get; set; }
public string? Player2 { get; set; }
public string GameName { get; set; }
public BoardState BoardState { get; set; }
}
}

5
Gameboard.ShogiUI.Sockets.ServiceModels/Types/WhichPerspective.cs
View File

@@ -1,9 +1,8 @@
namespace Gameboard.ShogiUI.Sockets.ServiceModels.Types
{
public enum WhichPerspective
public enum WhichPlayer
{
Player1,
Player2,
Spectator
Player2
}
}

8
Gameboard.ShogiUI.Sockets.sln
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@@ -13,13 +13,11 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Gameboard.ShogiUI.UnitTests
EndProject
Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Benchmarking", "Benchmarking\Benchmarking.csproj", "{DADFF5D6-581F-4D69-845D-53ABD6ABF62F}"
EndProject
Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "PathFinding", "PathFinding\PathFinding.csproj", "{A0AC8C5A-6ADA-45C6-BD1E-EB1061213E47}"
EndProject
Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Gameboard.ShogiUI.xUnitTests", "Gameboard.ShogiUI.xUnitTests\Gameboard.ShogiUI.xUnitTests.csproj", "{12530716-C11E-40CE-9F71-CCCC243F03E1}"
EndProject
Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Shogi.Domain", "Shogi.Domain\Shogi.Domain.csproj", "{0211B1E4-20F0-4058-AAC4-3845D19910AF}"
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Shogi.Domain.UnitTests", "Shogi.Domain.UnitTests\Shogi.Domain.UnitTests.csproj", "{F256989E-B6AF-4731-9DB4-88991C40B2CE}"
Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Shogi.Domain.UnitTests", "Shogi.Domain.UnitTests\Shogi.Domain.UnitTests.csproj", "{F256989E-B6AF-4731-9DB4-88991C40B2CE}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -43,10 +41,6 @@ Global
{DADFF5D6-581F-4D69-845D-53ABD6ABF62F}.Debug|Any CPU.Build.0 = Debug|Any CPU
{DADFF5D6-581F-4D69-845D-53ABD6ABF62F}.Release|Any CPU.ActiveCfg = Release|Any CPU
{DADFF5D6-581F-4D69-845D-53ABD6ABF62F}.Release|Any CPU.Build.0 = Release|Any CPU
{A0AC8C5A-6ADA-45C6-BD1E-EB1061213E47}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{A0AC8C5A-6ADA-45C6-BD1E-EB1061213E47}.Debug|Any CPU.Build.0 = Debug|Any CPU
{A0AC8C5A-6ADA-45C6-BD1E-EB1061213E47}.Release|Any CPU.ActiveCfg = Release|Any CPU
{A0AC8C5A-6ADA-45C6-BD1E-EB1061213E47}.Release|Any CPU.Build.0 = Release|Any CPU
{12530716-C11E-40CE-9F71-CCCC243F03E1}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{12530716-C11E-40CE-9F71-CCCC243F03E1}.Debug|Any CPU.Build.0 = Debug|Any CPU
{12530716-C11E-40CE-9F71-CCCC243F03E1}.Release|Any CPU.ActiveCfg = Release|Any CPU

64
Gameboard.ShogiUI.Sockets/Controllers/GameController.cs
View File

@@ -1,5 +1,4 @@
using Gameboard.ShogiUI.Sockets.Extensions;
using Gameboard.ShogiUI.Sockets.Managers;
using Gameboard.ShogiUI.Sockets.Managers;
using Gameboard.ShogiUI.Sockets.Repositories;
using Gameboard.ShogiUI.Sockets.ServiceModels.Api;
using Gameboard.ShogiUI.Sockets.ServiceModels.Socket;
@@ -7,10 +6,8 @@ using Gameboard.ShogiUI.Sockets.ServiceModels.Types;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Security.Claims;
using System.Threading.Tasks;
namespace Gameboard.ShogiUI.Sockets.Controllers
@@ -169,25 +166,48 @@ namespace Gameboard.ShogiUI.Sockets.Controllers
return NotFound();
}
var playerPerspective = WhichPerspective.Spectator;
if (session.Player1.Id == user.Id)
{
playerPerspective = WhichPerspective.Player1;
}
else if (session.Player2?.Id == user.Id)
{
playerPerspective = WhichPerspective.Player2;
}
var playerPerspective = session.Player2Name == user.Id
? WhichPlayer.Player2
: WhichPlayer.Player1;
communicationManager.SubscribeToGame(session, user!.Id);
var response = new GetSessionResponse()
var response = new Session
{
Game = new Models.SessionMetadata(session).ToServiceModel(),
BoardState = session.Shogi.ToServiceModel(),
MoveHistory = session.Shogi.MoveHistory.Select(_ => _.ToServiceModel()).ToList(),
PlayerPerspective = playerPerspective
BoardState = new BoardState
{
Board = null,
Player1Hand = session.Player1Hand.Select(MapPiece).ToList(),
Player2Hand = session.Player2Hand.Select(MapPiece).ToList(),
PlayerInCheck = session.InCheck.HasValue ? Map(session.InCheck.Value) : null
},
GameName = session.Name,
Player1 = session.Player1Name,
Player2 = session.Player2Name
};
return new JsonResult(response);
return this.Ok(response);
static WhichPlayer Map(Shogi.Domain.WhichPlayer whichPlayer)
{
return whichPlayer == Shogi.Domain.WhichPlayer.Player1
? WhichPlayer.Player1
: WhichPlayer.Player2;
}
static Piece MapPiece(Shogi.Domain.Pieces.Piece piece)
{
var owner = Map(piece.Owner);
var whichPiece = piece.WhichPiece switch
{
Shogi.Domain.WhichPiece.King => WhichPiece.King,
Shogi.Domain.WhichPiece.GoldGeneral => WhichPiece.GoldGeneral,
Shogi.Domain.WhichPiece.SilverGeneral => WhichPiece.SilverGeneral,
Shogi.Domain.WhichPiece.Bishop => WhichPiece.Bishop,
Shogi.Domain.WhichPiece.Rook => WhichPiece.Rook,
Shogi.Domain.WhichPiece.Knight => WhichPiece.Knight,
Shogi.Domain.WhichPiece.Lance => WhichPiece.Lance,
Shogi.Domain.WhichPiece.Pawn => WhichPiece.Pawn,
_ => throw new ArgumentException($"Unknown value for {nameof(WhichPiece)}")
};
return new Piece { IsPromoted = piece.IsPromoted, Owner = owner, WhichPiece = whichPiece };
}
}
[HttpGet]
@@ -207,8 +227,8 @@ namespace Gameboard.ShogiUI.Sockets.Controllers
return new GetSessionsResponse
{
PlayerHasJoinedSessions = new Collection<Game>(sessionsJoinedByUser),
AllOtherSessions = new Collection<Game>(sessionsNotJoinedByUser)
PlayerHasJoinedSessions = new Collection<Session>(sessionsJoinedByUser),
AllOtherSessions = new Collection<Session>(sessionsNotJoinedByUser)
};
}

3
Gameboard.ShogiUI.Sockets/Controllers/SocketController.cs
View File

@@ -1,6 +1,5 @@
using Gameboard.ShogiUI.Sockets.Extensions;
using Gameboard.ShogiUI.Sockets.Managers;
using Gameboard.ShogiUI.Sockets.Models;
using Gameboard.ShogiUI.Sockets.Repositories;
using Gameboard.ShogiUI.Sockets.ServiceModels.Api;
using Microsoft.AspNetCore.Authentication;
@@ -56,7 +55,7 @@ namespace Gameboard.ShogiUI.Sockets.Controllers
var userId = User?.UserId();
if (!string.IsNullOrEmpty(userId))
{
connectionManager.UnsubscribeFromBroadcastAndGames(userId);
connectionManager.Unsubscribe(userId);
}
await signoutTask;

63
Gameboard.ShogiUI.Sockets/Extensions/ModelExtensions.cs
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@@ -1,63 +0,0 @@
using Gameboard.ShogiUI.Sockets.ServiceModels.Types;
using System.Text;
using System.Text.RegularExpressions;
namespace Gameboard.ShogiUI.Sockets.Extensions
{
public static class ModelExtensions
{
public static string GetShortName(this Models.Piece self)
{
var name = self.WhichPiece switch
{
WhichPiece.King => " K ",
WhichPiece.GoldGeneral => " G ",
WhichPiece.SilverGeneral => self.IsPromoted ? "^S " : " S ",
WhichPiece.Bishop => self.IsPromoted ? "^B " : " B ",
WhichPiece.Rook => self.IsPromoted ? "^R " : " R ",
WhichPiece.Knight => self.IsPromoted ? "^k " : " k ",
WhichPiece.Lance => self.IsPromoted ? "^L " : " L ",
WhichPiece.Pawn => self.IsPromoted ? "^P " : " P ",
_ => " ? ",
};
if (self.Owner == WhichPerspective.Player2)
name = Regex.Replace(name, @"([^\s]+)\s", "$1.");
return name;
}
public static string PrintStateAsAscii(this Models.Shogi self)
{
var builder = new StringBuilder();
builder.Append(" Player 2(.)");
builder.AppendLine();
for (var y = 8; y >= 0; y--)
{
builder.Append("- ");
for (var x = 0; x < 8; x++) builder.Append("- - ");
builder.Append("- -");
builder.AppendLine();
builder.Append('|');
for (var x = 0; x < 9; x++)
{
var piece = self.Board[x, y];
if (piece == null)
{
builder.Append(" ");
}
else
{
builder.AppendFormat("{0}", piece.GetShortName());
}
builder.Append('|');
}
builder.AppendLine();
}
builder.Append("- ");
for (var x = 0; x < 8; x++) builder.Append("- - ");
builder.Append("- -");
builder.AppendLine();
builder.Append(" Player 1");
return builder.ToString();
}
}
}

5
Gameboard.ShogiUI.Sockets/Gameboard.ShogiUI.Sockets.csproj
View File

@@ -21,9 +21,12 @@
<ItemGroup>
<ProjectReference Include="..\Gameboard.ShogiUI.Sockets.ServiceModels\Gameboard.ShogiUI.Sockets.ServiceModels.csproj" />
<ProjectReference Include="..\PathFinding\PathFinding.csproj" />
<ProjectReference Include="..\Shogi.Domain\Shogi.Domain.csproj" />
</ItemGroup>
<ItemGroup>
<Folder Include="Services\Utility\" />
</ItemGroup>
</Project>

82
Gameboard.ShogiUI.Sockets/Managers/SocketConnectionManager.cs
View File

@@ -1,5 +1,4 @@
using Gameboard.ShogiUI.Sockets.Extensions;
using Gameboard.ShogiUI.Sockets.Models;
using Gameboard.ShogiUI.Sockets.ServiceModels.Socket;
using Microsoft.Extensions.Logging;
using Newtonsoft.Json;
@@ -14,12 +13,8 @@ namespace Gameboard.ShogiUI.Sockets.Managers
public interface ISocketConnectionManager
{
Task BroadcastToAll(IResponse response);
//Task BroadcastToGame(string gameName, IResponse response);
//Task BroadcastToGame(string gameName, IResponse forPlayer1, IResponse forPlayer2);
void SubscribeToGame(Session session, string playerName);
void SubscribeToBroadcast(WebSocket socket, string playerName);
void UnsubscribeFromBroadcastAndGames(string playerName);
void UnsubscribeFromGame(string gameName, string playerName);
void Subscribe(WebSocket socket, string playerName);
void Unsubscribe(string playerName);
Task BroadcastToPlayers(IResponse response, params string?[] playerNames);
}
@@ -31,59 +26,23 @@ namespace Gameboard.ShogiUI.Sockets.Managers
/// <summary>Dictionary key is player name.</summary>
private readonly ConcurrentDictionary<string, WebSocket> connections;
/// <summary>Dictionary key is game name.</summary>
private readonly ConcurrentDictionary<string, Session> sessions;
private readonly ILogger<SocketConnectionManager> logger;
public SocketConnectionManager(ILogger<SocketConnectionManager> logger)
{
this.logger = logger;
connections = new ConcurrentDictionary<string, WebSocket>();
sessions = new ConcurrentDictionary<string, Session>();
}
public void SubscribeToBroadcast(WebSocket socket, string playerName)
public void Subscribe(WebSocket socket, string playerName)
{
connections.TryRemove(playerName, out var _);
connections.TryAdd(playerName, socket);
}
public void UnsubscribeFromBroadcastAndGames(string playerName)
public void Unsubscribe(string playerName)
{
connections.TryRemove(playerName, out _);
foreach (var kvp in sessions)
{
var sessionName = kvp.Key;
UnsubscribeFromGame(sessionName, playerName);
}
}
/// <summary>
/// Unsubscribes the player from their current game, then subscribes to the new game.
/// </summary>
public void SubscribeToGame(Session session, string playerName)
{
// Unsubscribe from any other games
foreach (var kvp in sessions)
{
var gameNameKey = kvp.Key;
UnsubscribeFromGame(gameNameKey, playerName);
}
// Subscribe
if (connections.TryGetValue(playerName, out var socket))
{
var s = sessions.GetOrAdd(session.Name, session);
s.Subscriptions.TryAdd(playerName, socket);
}
}
public void UnsubscribeFromGame(string gameName, string playerName)
{
if (sessions.TryGetValue(gameName, out var s))
{
s.Subscriptions.TryRemove(playerName, out _);
if (s.Subscriptions.IsEmpty) sessions.TryRemove(gameName, out _);
}
}
public async Task BroadcastToPlayers(IResponse response, params string?[] playerNames)
@@ -113,15 +72,15 @@ namespace Gameboard.ShogiUI.Sockets.Managers
tasks.Add(socket.SendTextAsync(message));
}
catch (WebSocketException webSocketException)
catch (WebSocketException)
{
logger.LogInformation("Tried sending a message to socket connection for user [{user}], but found the connection has closed.", kvp.Key);
UnsubscribeFromBroadcastAndGames(kvp.Key);
Unsubscribe(kvp.Key);
}
catch (Exception exception)
catch
{
logger.LogInformation("Tried sending a message to socket connection for user [{user}], but found the connection has closed.", kvp.Key);
UnsubscribeFromBroadcastAndGames(kvp.Key);
Unsubscribe(kvp.Key);
}
}
try
@@ -129,34 +88,11 @@ namespace Gameboard.ShogiUI.Sockets.Managers
var task = Task.WhenAll(tasks);
return task;
}
catch (Exception e)
catch
{
Console.WriteLine("Yo");
}
return Task.FromResult(0);
}
//public Task BroadcastToGame(string gameName, IResponse forPlayer1, IResponse forPlayer2)
//{
// if (sessions.TryGetValue(gameName, out var session))
// {
// var serialized1 = JsonConvert.SerializeObject(forPlayer1);
// var serialized2 = JsonConvert.SerializeObject(forPlayer2);
// return Task.WhenAll(
// session.SendToPlayer1(serialized1),
// session.SendToPlayer2(serialized2));
// }
// return Task.CompletedTask;
//}
//public Task BroadcastToGame(string gameName, IResponse messageForAllPlayers)
//{
// if (sessions.TryGetValue(gameName, out var session))
// {
// var serialized = JsonConvert.SerializeObject(messageForAllPlayers);
// return session.Broadcast(serialized);
// }
// return Task.CompletedTask;
//}
}
}

95
Gameboard.ShogiUI.Sockets/Models/MoveSets.cs
View File

@@ -1,95 +0,0 @@
using PathFinding;
using System.Collections.Generic;
namespace Gameboard.ShogiUI.Sockets.Models
{
public static class MoveSets
{
public static readonly List<PathFinding.Move> King = new(8)
{
new PathFinding.Move(Direction.Up),
new PathFinding.Move(Direction.Left),
new PathFinding.Move(Direction.Right),
new PathFinding.Move(Direction.Down),
new PathFinding.Move(Direction.UpLeft),
new PathFinding.Move(Direction.UpRight),
new PathFinding.Move(Direction.DownLeft),
new PathFinding.Move(Direction.DownRight)
};
public static readonly List<PathFinding.Move> Bishop = new(4)
{
new PathFinding.Move(Direction.UpLeft, Distance.MultiStep),
new PathFinding.Move(Direction.UpRight, Distance.MultiStep),
new PathFinding.Move(Direction.DownLeft, Distance.MultiStep),
new PathFinding.Move(Direction.DownRight, Distance.MultiStep)
};
public static readonly List<PathFinding.Move> PromotedBishop = new(8)
{
new PathFinding.Move(Direction.Up),
new PathFinding.Move(Direction.Left),
new PathFinding.Move(Direction.Right),
new PathFinding.Move(Direction.Down),
new PathFinding.Move(Direction.UpLeft, Distance.MultiStep),
new PathFinding.Move(Direction.UpRight, Distance.MultiStep),
new PathFinding.Move(Direction.DownLeft, Distance.MultiStep),
new PathFinding.Move(Direction.DownRight, Distance.MultiStep)
};
public static readonly List<PathFinding.Move> GoldGeneral = new(6)
{
new PathFinding.Move(Direction.Up),
new PathFinding.Move(Direction.UpLeft),
new PathFinding.Move(Direction.UpRight),
new PathFinding.Move(Direction.Left),
new PathFinding.Move(Direction.Right),
new PathFinding.Move(Direction.Down)
};
public static readonly List<PathFinding.Move> Knight = new(2)
{
new PathFinding.Move(Direction.KnightLeft),
new PathFinding.Move(Direction.KnightRight)
};
public static readonly List<PathFinding.Move> Lance = new(1)
{
new PathFinding.Move(Direction.Up, Distance.MultiStep),
};
public static readonly List<PathFinding.Move> Pawn = new(1)
{
new PathFinding.Move(Direction.Up)
};
public static readonly List<PathFinding.Move> Rook = new(4)
{
new PathFinding.Move(Direction.Up, Distance.MultiStep),
new PathFinding.Move(Direction.Left, Distance.MultiStep),
new PathFinding.Move(Direction.Right, Distance.MultiStep),
new PathFinding.Move(Direction.Down, Distance.MultiStep)
};
public static readonly List<PathFinding.Move> PromotedRook = new(8)
{
new PathFinding.Move(Direction.Up, Distance.MultiStep),
new PathFinding.Move(Direction.Left, Distance.MultiStep),
new PathFinding.Move(Direction.Right, Distance.MultiStep),
new PathFinding.Move(Direction.Down, Distance.MultiStep),
new PathFinding.Move(Direction.UpLeft),
new PathFinding.Move(Direction.UpRight),
new PathFinding.Move(Direction.DownLeft),
new PathFinding.Move(Direction.DownRight)
};
public static readonly List<PathFinding.Move> SilverGeneral = new(4)
{
new PathFinding.Move(Direction.Up),
new PathFinding.Move(Direction.UpLeft),
new PathFinding.Move(Direction.UpRight),
new PathFinding.Move(Direction.DownLeft),
new PathFinding.Move(Direction.DownRight)
};
}
}

70
Gameboard.ShogiUI.Sockets/Models/Piece.cs
View File

@@ -1,70 +0,0 @@
using Gameboard.ShogiUI.Sockets.ServiceModels.Types;
using PathFinding;
using System.Diagnostics;
namespace Gameboard.ShogiUI.Sockets.Models
{
[DebuggerDisplay("{WhichPiece} {Owner}")]
public class Piece : IPlanarElement
{
public WhichPiece WhichPiece { get; }
public WhichPerspective Owner { get; private set; }
public bool IsPromoted { get; private set; }
public bool IsUpsideDown => Owner == WhichPerspective.Player2;
public Piece(WhichPiece piece, WhichPerspective owner, bool isPromoted = false)
{
WhichPiece = piece;
Owner = owner;
IsPromoted = isPromoted;
}
public Piece(Piece piece) : this(piece.WhichPiece, piece.Owner, piece.IsPromoted)
{
}
public bool CanPromote => !IsPromoted
&& WhichPiece != WhichPiece.King
&& WhichPiece != WhichPiece.GoldGeneral;
public void ToggleOwnership()
{
Owner = Owner == WhichPerspective.Player1
? WhichPerspective.Player2
: WhichPerspective.Player1;
}
public void Promote() => IsPromoted = CanPromote;
public void Demote() => IsPromoted = false;
public void Capture()
{
ToggleOwnership();
Demote();
}
// TODO: There is no reason to make "new" MoveSets every time this property is accessed.
public MoveSet MoveSet => WhichPiece switch
{
WhichPiece.King => new MoveSet(this, MoveSets.King),
WhichPiece.GoldGeneral => new MoveSet(this, MoveSets.GoldGeneral),
WhichPiece.SilverGeneral => new MoveSet(this, IsPromoted ? MoveSets.GoldGeneral : MoveSets.SilverGeneral),
WhichPiece.Bishop => new MoveSet(this, IsPromoted ? MoveSets.PromotedBishop : MoveSets.Bishop),
WhichPiece.Rook => new MoveSet(this, IsPromoted ? MoveSets.PromotedRook : MoveSets.Rook),
WhichPiece.Knight => new MoveSet(this, IsPromoted ? MoveSets.GoldGeneral : MoveSets.Knight),
WhichPiece.Lance => new MoveSet(this, IsPromoted ? MoveSets.GoldGeneral : MoveSets.Lance),
WhichPiece.Pawn => new MoveSet(this, IsPromoted ? MoveSets.GoldGeneral : MoveSets.Pawn),
_ => throw new System.NotImplementedException()
};
public ServiceModels.Types.Piece ToServiceModel()
{
return new ServiceModels.Types.Piece
{
IsPromoted = IsPromoted,
Owner = Owner,
WhichPiece = WhichPiece
};
}
}
}

38
Gameboard.ShogiUI.Sockets/Models/Session.cs
View File

@@ -1,38 +0,0 @@
using Gameboard.ShogiUI.Sockets.ServiceModels.Types;
using Newtonsoft.Json;
using System.Collections.Concurrent;
using System.Net.WebSockets;
namespace Gameboard.ShogiUI.Sockets.Models
{
public class Session
{
// TODO: Separate subscriptions to the Session from the Session.
[JsonIgnore] public ConcurrentDictionary<string, WebSocket> Subscriptions { get; }
public string Name { get; }
public User Player1 { get; }
public User? Player2 { get; private set; }
public bool IsPrivate { get; }
// TODO: Don't retain the entire rules system within the Session model. It just needs the board state after rules are applied.
public Shogi Shogi { get; }
public Session(string name, bool isPrivate, Shogi shogi, User player1, User? player2 = null)
{
Subscriptions = new ConcurrentDictionary<string, WebSocket>();
Name = name;
Player1 = player1;
Player2 = player2;
IsPrivate = isPrivate;
Shogi = shogi;
}
public void SetPlayer2(User user)
{
Player2 = user;
}
public Game ToServiceModel() => new(Name, Player1.DisplayName, Player2?.DisplayName);
}
}

2
Gameboard.ShogiUI.Sockets/Models/SessionMetadata.cs
View File

@@ -32,6 +32,6 @@
public bool IsSeated(User user) => user.Id == Player1.Id || user.Id == Player2?.Id;
public ServiceModels.Types.Game ToServiceModel() => new(Name, Player1.DisplayName, Player2?.DisplayName);
public ServiceModels.Types.Session ToServiceModel() => new(Name, Player1.DisplayName, Player2?.DisplayName);
}
}

463
Gameboard.ShogiUI.Sockets/Models/Shogi.cs
View File

@@ -1,463 +0,0 @@
using Gameboard.ShogiUI.Sockets.ServiceModels.Types;
using Gameboard.ShogiUI.Sockets.Utilities;
using PathFinding;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Numerics;
namespace Gameboard.ShogiUI.Sockets.Models
{
/// <summary>
/// Facilitates Shogi board state transitions, cognisant of Shogi rules.
/// The board is always from Player1's perspective.
/// [0,0] is the lower-left position, [8,8] is the higher-right position
/// </summary>
public class Shogi
{
private delegate void MoveSetCallback(Piece piece, Vector2 position);
private readonly PathFinder2D<Piece> pathFinder;
private Shogi? validationBoard;
private Vector2 player1King;
private Vector2 player2King;
private List<Piece> Hand => WhoseTurn == WhichPerspective.Player1 ? Player1Hand : Player2Hand;
public List<Piece> Player1Hand { get; }
public List<Piece> Player2Hand { get; }
public CoordsToNotationCollection Board { get; } //TODO: Hide this being a getter method
public List<Move> MoveHistory { get; }
public WhichPerspective WhoseTurn => MoveHistory.Count % 2 == 0 ? WhichPerspective.Player1 : WhichPerspective.Player2;
public WhichPerspective? InCheck { get; private set; }
public bool IsCheckmate { get; private set; }
public string Error { get; private set; }
public Shogi()
{
Board = new CoordsToNotationCollection();
MoveHistory = new List<Move>(20);
Player1Hand = new List<Piece>();
Player2Hand = new List<Piece>();
pathFinder = new PathFinder2D<Piece>(Board, 9, 9);
player1King = new Vector2(4, 0);
player2King = new Vector2(4, 8);
Error = string.Empty;
InitializeBoardState();
}
public Shogi(IList<Move> moves) : this()
{
for (var i = 0; i < moves.Count; i++)
{
if (!Move(moves[i]))
{
// Todo: Add some smarts to know why a move was invalid. In check? Piece not found? etc.
throw new InvalidOperationException($"Unable to construct ShogiBoard with the given move at index {i}. {Error}");
}
}
}
private Shogi(Shogi toCopy)
{
Board = new CoordsToNotationCollection();
foreach (var kvp in toCopy.Board)
{
Board[kvp.Key] = kvp.Value == null ? null : new Piece(kvp.Value);
}
pathFinder = new PathFinder2D<Piece>(Board, 9, 9);
MoveHistory = new List<Move>(toCopy.MoveHistory);
Player1Hand = new List<Piece>(toCopy.Player1Hand);
Player2Hand = new List<Piece>(toCopy.Player2Hand);
player1King = toCopy.player1King;
player2King = toCopy.player2King;
Error = toCopy.Error;
}
public bool Move(Move move)
{
var otherPlayer = WhoseTurn == WhichPerspective.Player1 ? WhichPerspective.Player2 : WhichPerspective.Player1;
var moveSuccess = TryMove(move);
if (!moveSuccess)
{
return false;
}
// Evaluate check
if (EvaluateCheckAfterMove(move, otherPlayer))
{
InCheck = otherPlayer;
IsCheckmate = EvaluateCheckmate();
}
else
{
InCheck = null;
}
return true;
}
/// <summary>
/// Attempts a given move. Returns false if the move is illegal.
/// </summary>
private bool TryMove(Move move)
{
// Try making the move in a "throw away" board.
if (validationBoard == null)
{
validationBoard = new Shogi(this);
}
var isValid = move.PieceFromHand.HasValue
? validationBoard.PlaceFromHand(move)
: validationBoard.PlaceFromBoard(move);
if (!isValid)
{
// Surface the error description.
Error = validationBoard.Error;
// Invalidate the "throw away" board.
validationBoard = null;
return false;
}
// If already in check, assert the move that resulted in check no longer results in check.
if (InCheck == WhoseTurn)
{
if (validationBoard.EvaluateCheckAfterMove(MoveHistory[^1], WhoseTurn))
{
// Sneakily using this.WhoseTurn instead of validationBoard.WhoseTurn;
return false;
}
}
// The move is valid and legal; update board state.
if (move.PieceFromHand.HasValue) PlaceFromHand(move);
else PlaceFromBoard(move);
return true;
}
/// <returns>True if the move was successful.</returns>
private bool PlaceFromHand(Move move)
{
var index = Hand.FindIndex(p => p.WhichPiece == move.PieceFromHand);
if (index < 0)
{
Error = $"{move.PieceFromHand} does not exist in the hand.";
return false;
}
if (Board[move.To] != null)
{
Error = $"Illegal move - attempting to capture while playing a piece from the hand.";
return false;
}
switch (move.PieceFromHand!.Value)
{
case WhichPiece.Knight:
{
// Knight cannot be placed onto the farthest two ranks from the hand.
if ((WhoseTurn == WhichPerspective.Player1 && move.To.Y > 6)
|| (WhoseTurn == WhichPerspective.Player2 && move.To.Y < 2))
{
Error = $"Knight has no valid moves after placed.";
return false;
}
break;
}
case WhichPiece.Lance:
case WhichPiece.Pawn:
{
// Lance and Pawn cannot be placed onto the farthest rank from the hand.
if ((WhoseTurn == WhichPerspective.Player1 && move.To.Y == 8)
|| (WhoseTurn == WhichPerspective.Player2 && move.To.Y == 0))
{
Error = $"{move.PieceFromHand} has no valid moves after placed.";
return false;
}
break;
}
}
// Mutate the board.
Board[move.To] = Hand[index];
Hand.RemoveAt(index);
MoveHistory.Add(move);
return true;
}
/// <returns>True if the move was successful.</returns>
private bool PlaceFromBoard(Move move)
{
var fromPiece = Board[move.From!.Value];
if (fromPiece == null)
{
Error = $"No piece exists at {nameof(move)}.{nameof(move.From)}.";
return false; // Invalid move
}
if (fromPiece.Owner != WhoseTurn)
{
Error = "Not allowed to move the opponents piece";
return false; // Invalid move; cannot move other players pieces.
}
if (IsPathable(move.From.Value, move.To) == false)
{
Error = $"Illegal move for {fromPiece.WhichPiece}. {nameof(move)}.{nameof(move.To)} is not part of the move-set.";
return false; // Invalid move; move not part of move-set.
}
var captured = Board[move.To];
if (captured != null)
{
if (captured.Owner == WhoseTurn) return false; // Invalid move; cannot capture your own piece.
captured.Capture();
Hand.Add(captured);
}
//Mutate the board.
if (move.IsPromotion)
{
if (WhoseTurn == WhichPerspective.Player1 && (move.To.Y > 5 || move.From.Value.Y > 5))
{
fromPiece.Promote();
}
else if (WhoseTurn == WhichPerspective.Player2 && (move.To.Y < 3 || move.From.Value.Y < 3))
{
fromPiece.Promote();
}
}
Board[move.To] = fromPiece;
Board[move.From!.Value] = null;
if (fromPiece.WhichPiece == WhichPiece.King)
{
if (fromPiece.Owner == WhichPerspective.Player1)
{
player1King.X = move.To.X;
player1King.Y = move.To.Y;
}
else if (fromPiece.Owner == WhichPerspective.Player2)
{
player2King.X = move.To.X;
player2King.Y = move.To.Y;
}
}
MoveHistory.Add(move);
return true;
}
private bool IsPathable(Vector2 from, Vector2 to)
{
var piece = Board[from];
if (piece == null) return false;
var isObstructed = false;
var isPathable = pathFinder.PathTo(from, to, (other, position) =>
{
if (other.Owner == piece.Owner) isObstructed = true;
});
return !isObstructed && isPathable;
}
#region Rules Validation
private bool EvaluateCheckAfterMove(Move move, WhichPerspective WhichPerspective)
{
if (WhichPerspective == InCheck) return true; // If we already know the player is in check, don't bother.
var isCheck = false;
var kingPosition = WhichPerspective == WhichPerspective.Player1 ? player1King : player2King;
// Check if the move put the king in check.
if (pathFinder.PathTo(move.To, kingPosition)) return true;
if (move.From.HasValue)
{
// Get line equation from king through the now-unoccupied location.
var direction = Vector2.Subtract(kingPosition, move.From!.Value);
var slope = Math.Abs(direction.Y / direction.X);
// If absolute slope is 45°, look for a bishop along the line.
// If absolute slope is 0° or 90°, look for a rook along the line.
// if absolute slope is 0°, look for lance along the line.
if (float.IsInfinity(slope))
{
// if slope of the move is also infinity...can skip this?
pathFinder.LinePathTo(kingPosition, direction, (piece, position) =>
{
if (piece.Owner != WhichPerspective)
{
switch (piece.WhichPiece)
{
case WhichPiece.Rook:
isCheck = true;
break;
case WhichPiece.Lance:
if (!piece.IsPromoted) isCheck = true;
break;
}
}
});
}
else if (slope == 1)
{
pathFinder.LinePathTo(kingPosition, direction, (piece, position) =>
{
if (piece.Owner != WhichPerspective && piece.WhichPiece == WhichPiece.Bishop)
{
isCheck = true;
}
});
}
else if (slope == 0)
{
pathFinder.LinePathTo(kingPosition, direction, (piece, position) =>
{
if (piece.Owner != WhichPerspective && piece.WhichPiece == WhichPiece.Rook)
{
isCheck = true;
}
});
}
}
else
{
// TODO: Check for illegal move from hand. It is illegal to place from the hand such that you check-mate your opponent.
// Go read the shogi rules to be sure this is true.
}
return isCheck;
}
private bool EvaluateCheckmate()
{
if (!InCheck.HasValue) return false;
// Assume true and try to disprove.
var isCheckmate = true;
Board.ForEachNotNull((piece, from) => // For each piece...
{
// Short circuit
if (!isCheckmate) return;
if (piece.Owner == InCheck) // ...owned by the player in check...
{
// ...evaluate if any move gets the player out of check.
pathFinder.PathEvery(from, (other, position) =>
{
if (validationBoard == null) validationBoard = new Shogi(this);
var moveToTry = new Move(from, position);
var moveSuccess = validationBoard.TryMove(moveToTry);
if (moveSuccess)
{
validationBoard = null;
if (!EvaluateCheckAfterMove(moveToTry, InCheck.Value))
{
isCheckmate = false;
}
}
});
}
});
return isCheckmate;
}
#endregion
private void InitializeBoardState()
{
Board["A1"] = new Piece(WhichPiece.Lance, WhichPerspective.Player1);
Board["B1"] = new Piece(WhichPiece.Knight, WhichPerspective.Player1);
Board["C1"] = new Piece(WhichPiece.SilverGeneral, WhichPerspective.Player1);
Board["D1"] = new Piece(WhichPiece.GoldGeneral, WhichPerspective.Player1);
Board["E1"] = new Piece(WhichPiece.King, WhichPerspective.Player1);
Board["F1"] = new Piece(WhichPiece.GoldGeneral, WhichPerspective.Player1);
Board["G1"] = new Piece(WhichPiece.SilverGeneral, WhichPerspective.Player1);
Board["H1"] = new Piece(WhichPiece.Knight, WhichPerspective.Player1);
Board["I1"] = new Piece(WhichPiece.Lance, WhichPerspective.Player1);
Board["A2"] = null;
Board["B2"] = new Piece(WhichPiece.Bishop, WhichPerspective.Player1);
Board["C2"] = null;
Board["D2"] = null;
Board["E2"] = null;
Board["F2"] = null;
Board["G2"] = null;
Board["H2"] = new Piece(WhichPiece.Rook, WhichPerspective.Player1);
Board["I2"] = null;
Board["A3"] = new Piece(WhichPiece.Pawn, WhichPerspective.Player1);
Board["B3"] = new Piece(WhichPiece.Pawn, WhichPerspective.Player1);
Board["C3"] = new Piece(WhichPiece.Pawn, WhichPerspective.Player1);
Board["D3"] = new Piece(WhichPiece.Pawn, WhichPerspective.Player1);
Board["E3"] = new Piece(WhichPiece.Pawn, WhichPerspective.Player1);
Board["F3"] = new Piece(WhichPiece.Pawn, WhichPerspective.Player1);
Board["G3"] = new Piece(WhichPiece.Pawn, WhichPerspective.Player1);
Board["H3"] = new Piece(WhichPiece.Pawn, WhichPerspective.Player1);
Board["I3"] = new Piece(WhichPiece.Pawn, WhichPerspective.Player1);
Board["A4"] = null;
Board["B4"] = null;
Board["C4"] = null;
Board["D4"] = null;
Board["E4"] = null;
Board["F4"] = null;
Board["G4"] = null;
Board["H4"] = null;
Board["I4"] = null;
Board["A5"] = null;
Board["B5"] = null;
Board["C5"] = null;
Board["D5"] = null;
Board["E5"] = null;
Board["F5"] = null;
Board["G5"] = null;
Board["H5"] = null;
Board["I5"] = null;
Board["A6"] = null;
Board["B6"] = null;
Board["C6"] = null;
Board["D6"] = null;
Board["E6"] = null;
Board["F6"] = null;
Board["G6"] = null;
Board["H6"] = null;
Board["I6"] = null;
Board["A7"] = new Piece(WhichPiece.Pawn, WhichPerspective.Player2);
Board["B7"] = new Piece(WhichPiece.Pawn, WhichPerspective.Player2);
Board["C7"] = new Piece(WhichPiece.Pawn, WhichPerspective.Player2);
Board["D7"] = new Piece(WhichPiece.Pawn, WhichPerspective.Player2);
Board["E7"] = new Piece(WhichPiece.Pawn, WhichPerspective.Player2);
Board["F7"] = new Piece(WhichPiece.Pawn, WhichPerspective.Player2);
Board["G7"] = new Piece(WhichPiece.Pawn, WhichPerspective.Player2);
Board["H7"] = new Piece(WhichPiece.Pawn, WhichPerspective.Player2);
Board["I7"] = new Piece(WhichPiece.Pawn, WhichPerspective.Player2);
Board["A8"] = null;
Board["B8"] = new Piece(WhichPiece.Rook, WhichPerspective.Player2);
Board["C8"] = null;
Board["D8"] = null;
Board["E8"] = null;
Board["F8"] = null;
Board["G8"] = null;
Board["H8"] = new Piece(WhichPiece.Bishop, WhichPerspective.Player2);
Board["I8"] = null;
Board["A9"] = new Piece(WhichPiece.Lance, WhichPerspective.Player2);
Board["B9"] = new Piece(WhichPiece.Knight, WhichPerspective.Player2);
Board["C9"] = new Piece(WhichPiece.SilverGeneral, WhichPerspective.Player2);
Board["D9"] = new Piece(WhichPiece.GoldGeneral, WhichPerspective.Player2);
Board["E9"] = new Piece(WhichPiece.King, WhichPerspective.Player2);
Board["F9"] = new Piece(WhichPiece.GoldGeneral, WhichPerspective.Player2);
Board["G9"] = new Piece(WhichPiece.SilverGeneral, WhichPerspective.Player2);
Board["H9"] = new Piece(WhichPiece.Knight, WhichPerspective.Player2);
Board["I9"] = new Piece(WhichPiece.Lance, WhichPerspective.Player2);
}
public BoardState ToServiceModel()
{
return new BoardState
{
Board = Board.ToDictionary(kvp => kvp.Key, kvp => kvp.Value?.ToServiceModel()),
PlayerInCheck = InCheck,
WhoseTurn = WhoseTurn,
Player1Hand = Player1Hand.Select(_ => _.ToServiceModel()).ToList(),
Player2Hand = Player2Hand.Select(_ => _.ToServiceModel()).ToList()
};
}
}
}

33
Gameboard.ShogiUI.Sockets/Repositories/CouchModels/BoardStateDocument.cs
View File

@@ -1,8 +1,7 @@
using Gameboard.ShogiUI.Sockets.Utilities;
using Shogi.Domain;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Numerics;
namespace Gameboard.ShogiUI.Sockets.Repositories.CouchModels
{
@@ -35,31 +34,19 @@ namespace Gameboard.ShogiUI.Sockets.Repositories.CouchModels
Player2Hand = Array.Empty<Piece>();
}
public BoardStateDocument(string sessionName, Models.Shogi shogi)
public BoardStateDocument(string sessionName, Session shogi)
: base($"{sessionName}-{DateTime.Now:O}", WhichDocumentType.BoardState)
{
static Piece MapPiece(Shogi.Domain.Pieces.Piece piece)
{
return new Piece { IsPromoted = piece.IsPromoted, Owner = piece.Owner, WhichPiece = piece.WhichPiece };
}
Name = sessionName;
Board = new Dictionary<string, Piece?>(81, StringComparer.OrdinalIgnoreCase);
Board = shogi.BoardState.ToDictionary(kvp => kvp.Key, kvp => kvp.Value == null ? null : MapPiece(kvp.Value));
for (var x = 0; x < 9; x++)
for (var y = 0; y < 9; y++)
{
var position = new Vector2(x, y);
var piece = shogi.Board[y, x];
if (piece != null)
{
var positionNotation = NotationHelper.ToBoardNotation(position);
Board[positionNotation] = new Piece(piece);
}
}
Player1Hand = shogi.Player1Hand.Select(model => new Piece(model)).ToArray();
Player2Hand = shogi.Player2Hand.Select(model => new Piece(model)).ToArray();
if (shogi.MoveHistory.Count > 0)
{
Move = new Move(shogi.MoveHistory[^1]);
}
Player1Hand = shogi.Player1Hand.Select(piece => MapPiece(piece)).ToArray();
Player2Hand = shogi.Player2Hand.Select(piece => MapPiece(piece)).ToArray();
}
}
}

26
Gameboard.ShogiUI.Sockets/Repositories/CouchModels/Move.cs
View File

@@ -1,5 +1,4 @@
using Gameboard.ShogiUI.Sockets.ServiceModels.Types;
using System.Numerics;
using Shogi.Domain;
namespace Gameboard.ShogiUI.Sockets.Repositories.CouchModels
{
@@ -29,28 +28,5 @@ namespace Gameboard.ShogiUI.Sockets.Repositories.CouchModels
{
To = string.Empty;
}
public Move(Models.Move move)
{
if (move.From.HasValue)
{
From = ToBoardNotation(move.From.Value);
}
IsPromotion = move.IsPromotion;
To = ToBoardNotation(move.To);
PieceFromHand = move.PieceFromHand;
}
private static readonly char A = 'A';
private static string ToBoardNotation(Vector2 vector)
{
var file = (char)(vector.X + A);
var rank = vector.Y + 1;
return $"{file}{rank}";
}
public Models.Move ToDomainModel() => PieceFromHand.HasValue
? new(PieceFromHand.Value, To)
: new(From!, To, IsPromotion);
}
}

20
Gameboard.ShogiUI.Sockets/Repositories/CouchModels/Piece.cs
View File

@@ -1,27 +1,11 @@
using Gameboard.ShogiUI.Sockets.ServiceModels.Types;
using Shogi.Domain;
namespace Gameboard.ShogiUI.Sockets.Repositories.CouchModels
{
public class Piece
{
public bool IsPromoted { get; set; }
public WhichPerspective Owner { get; set; }
public WhichPlayer Owner { get; set; }
public WhichPiece WhichPiece { get; set; }
/// <summary>
/// Default constructor and setters are for deserialization.
/// </summary>
public Piece()
{
}
public Piece(Models.Piece piece)
{
IsPromoted = piece.IsPromoted;
Owner = piece.Owner;
WhichPiece = piece.WhichPiece;
}
public Models.Piece ToDomainModel() => new(WhichPiece, Owner, IsPromoted);
}
}

17
Gameboard.ShogiUI.Sockets/Repositories/CouchModels/SessionDocument.cs
View File

@@ -1,6 +1,4 @@
using System.Collections.Generic;
namespace Gameboard.ShogiUI.Sockets.Repositories.CouchModels
namespace Gameboard.ShogiUI.Sockets.Repositories.CouchModels
{
public class SessionDocument : CouchDocument
{
@@ -8,7 +6,6 @@ namespace Gameboard.ShogiUI.Sockets.Repositories.CouchModels
public string Player1Id { get; set; }
public string? Player2Id { get; set; }
public bool IsPrivate { get; set; }
public IList<BoardStateDocument> History { get; set; }
/// <summary>
/// Default constructor and setters are for deserialization.
@@ -18,17 +15,6 @@ namespace Gameboard.ShogiUI.Sockets.Repositories.CouchModels
Name = string.Empty;
Player1Id = string.Empty;
Player2Id = string.Empty;
History = new List<BoardStateDocument>(0);
}
public SessionDocument(Models.Session session)
: base(session.Name, WhichDocumentType.Session)
{
Name = session.Name;
Player1Id = session.Player1.Id;
Player2Id = session.Player2?.Id;
IsPrivate = session.IsPrivate;
History = new List<BoardStateDocument>(0);
}
public SessionDocument(Models.SessionMetadata sessionMetaData)
@@ -38,7 +24,6 @@ namespace Gameboard.ShogiUI.Sockets.Repositories.CouchModels
Player1Id = sessionMetaData.Player1.Id;
Player2Id = sessionMetaData.Player2?.Id;
IsPrivate = sessionMetaData.IsPrivate;
History = new List<BoardStateDocument>(0);
}
}
}

73
Gameboard.ShogiUI.Sockets/Repositories/GameboardRepository.cs
View File

@@ -4,6 +4,7 @@ using Microsoft.AspNetCore.Http.Extensions;
using Microsoft.Extensions.Logging;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using Shogi.Domain;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
@@ -11,17 +12,16 @@ using System.Linq;
using System.Net.Http;
using System.Text;
using System.Threading.Tasks;
using System.Web;
namespace Gameboard.ShogiUI.Sockets.Repositories
{
public interface IGameboardRepository
{
Task<bool> CreateBoardState(Models.Session session);
Task<bool> CreateBoardState(Session session);
Task<bool> CreateSession(Models.SessionMetadata session);
Task<bool> CreateUser(Models.User user);
Task<Collection<Models.SessionMetadata>> ReadSessionMetadatas();
Task<Models.Session?> ReadSession(string name);
Task<Session?> ReadSession(string name);
Task<bool> UpdateSession(Models.SessionMetadata session);
Task<Models.SessionMetadata?> ReadSessionMetaData(string name);
Task<Models.User?> ReadUser(string userName);
@@ -80,8 +80,15 @@ namespace Gameboard.ShogiUI.Sockets.Repositories
return new Collection<Models.SessionMetadata>(Array.Empty<Models.SessionMetadata>());
}
public async Task<Models.Session?> ReadSession(string name)
public async Task<Session?> ReadSession(string name)
{
static Shogi.Domain.Pieces.Piece? MapPiece(Piece? piece)
{
return piece == null
? null
: Shogi.Domain.Pieces.Piece.Create(piece.WhichPiece, piece.Owner, piece.IsPromoted);
}
var queryParams = new QueryBuilder
{
{ "include_docs", "true" },
@@ -97,11 +104,12 @@ namespace Gameboard.ShogiUI.Sockets.Repositories
{
var group = result.rows;
/**
* A group contains 3 type of elements.
* 1) The session metadata.
* 2) User documents of Player1 and Player2.
* A group contains multiple elements.
* 0) The session metadata.
* 1) User documents of Player1.
* 2) User documents of Player1.
* 2.a) If the Player2 document doesn't exist, CouchDB will return the SessionDocument instead :(
* 3) BoardState
* Everything Else) Snapshots of the boardstate after every player move.
*/
var session = group[0].doc.ToObject<SessionDocument>();
var player1Doc = group[1].doc.ToObject<UserDocument>();
@@ -109,24 +117,14 @@ namespace Gameboard.ShogiUI.Sockets.Repositories
var player2Doc = group2DocumentType == WhichDocumentType.User.ToString()
? group[2].doc.ToObject<UserDocument>()
: null;
var moves = group
.Skip(4) // Skip 4 because group[3] will not have a .Move property since it's the first/initial BoardState of the session.
// TODO: Deserialize just the Move property.
.Select(row => row.doc.ToObject<BoardStateDocument>())
.Select(boardState =>
{
var move = boardState!.Move!;
return move.PieceFromHand.HasValue
? new Models.Move(move.PieceFromHand.Value, move.To)
: new Models.Move(move.From!, move.To, move.IsPromotion);
})
.ToList();
var boardState = group.Last().doc.ToObject<BoardStateDocument>();
var shogi = new Models.Shogi(moves);
if (session != null && player1Doc != null)
if (session != null && player1Doc != null && boardState != null)
{
var player2 = player2Doc == null ? null : new Models.User(player2Doc);
return new Models.Session(session.Name, session.IsPrivate, shogi, new(player1Doc), player2);
var metaData = new SessionMetadata(session.Name, session.IsPrivate, player1Doc.DisplayName, player2Doc?.DisplayName);
var shogiBoardState = new BoardState(boardState.Board.ToDictionary(kvp => kvp.Key, kvp => MapPiece(kvp.Value)));
return new Session(shogiBoardState, metaData);
}
}
return null;
@@ -170,9 +168,16 @@ namespace Gameboard.ShogiUI.Sockets.Repositories
/// <summary>
/// Saves a snapshot of board state and the most recent move.
/// </summary>
public async Task<bool> CreateBoardState(Models.Session session)
public async Task<bool> CreateBoardState(Session session)
{
var boardStateDocument = new BoardStateDocument(session.Name, session.Shogi);
Piece? MapPiece(Shogi.Domain.Pieces.Piece? piece)
{
return piece == null
? null
: new Piece { IsPromoted = piece.IsPromoted, Owner = piece.Owner, WhichPiece = piece.WhichPiece };
}
var boardStateDocument = new BoardStateDocument(session.Name, session);
var content = new StringContent(JsonConvert.SerializeObject(boardStateDocument), Encoding.UTF8, ApplicationJson);
var response = await client.PostAsync(string.Empty, content);
return response.IsSuccessStatusCode;
@@ -184,7 +189,7 @@ namespace Gameboard.ShogiUI.Sockets.Repositories
var sessionContent = new StringContent(JsonConvert.SerializeObject(sessionDocument), Encoding.UTF8, ApplicationJson);
var postSessionDocumentTask = client.PostAsync(string.Empty, sessionContent);
var boardStateDocument = new BoardStateDocument(session.Name, new Models.Shogi());
var boardStateDocument = new BoardStateDocument(session.Name, new Session());
var boardStateContent = new StringContent(JsonConvert.SerializeObject(boardStateDocument), Encoding.UTF8, ApplicationJson);
if ((await postSessionDocumentTask).IsSuccessStatusCode)
@@ -288,5 +293,21 @@ namespace Gameboard.ShogiUI.Sockets.Repositories
return response.IsSuccessStatusCode;
}
public void ReadMoveHistory()
{
//TODO: Separate move history into a separate request.
//var moves = group
// .Skip(4) // Skip 4 because group[3] will not have a .Move property since it's the first/initial BoardState of the session.
// // TODO: Deserialize just the Move property.
// .Select(row => row.doc.ToObject<BoardStateDocument>())
// .Select(boardState =>
// {
// var move = boardState!.Move!;
// return move.PieceFromHand.HasValue
// ? new Models.Move(move.PieceFromHand.Value, move.To)
// : new Models.Move(move.From!, move.To, move.IsPromotion);
// })
// .ToList();
}
}
}

7
Gameboard.ShogiUI.Sockets/Services/SocketService.cs
View File

@@ -5,7 +5,6 @@ using Gameboard.ShogiUI.Sockets.Managers.ClientActionHandlers;
using Gameboard.ShogiUI.Sockets.Repositories;
using Gameboard.ShogiUI.Sockets.ServiceModels.Socket;
using Gameboard.ShogiUI.Sockets.ServiceModels.Types;
using Gameboard.ShogiUI.Sockets.Services.Utility;
using Microsoft.AspNetCore.Http;
using Microsoft.Extensions.Logging;
using Newtonsoft.Json;
@@ -74,7 +73,7 @@ namespace Gameboard.ShogiUI.Sockets.Services
}
var socket = await context.WebSockets.AcceptWebSocketAsync();
communicationManager.SubscribeToBroadcast(socket, userName);
communicationManager.Subscribe(socket, userName);
while (socket.State == WebSocketState.Open)
{
try
@@ -82,7 +81,7 @@ namespace Gameboard.ShogiUI.Sockets.Services
var message = await socket.ReceiveTextAsync();
if (string.IsNullOrWhiteSpace(message)) continue;
logger.LogInformation("Request \n{0}\n", message);
var request = JsonConvert.DeserializeObject<Request>(message);
var request = JsonConvert.DeserializeObject<IRequest>(message);
if (request == null || !Enum.IsDefined(typeof(ClientAction), request.Action))
{
await socket.SendTextAsync("Error: Action not recognized.");
@@ -114,7 +113,7 @@ namespace Gameboard.ShogiUI.Sockets.Services
logger.LogInformation("Probably tried writing to a closed socket.");
logger.LogError(ex.Message);
}
communicationManager.UnsubscribeFromBroadcastAndGames(userName);
communicationManager.Unsubscribe(userName);
}
}

15
Gameboard.ShogiUI.Sockets/Services/Utility/JsonRequest.cs
View File

@@ -1,15 +0,0 @@
using Gameboard.ShogiUI.Sockets.ServiceModels.Socket;
namespace Gameboard.ShogiUI.Sockets.Services.Utility
{
public class JsonRequest
{
public IRequest Request { get; private set; }
public string Json { get; private set; }
public JsonRequest(IRequest request, string json)
{
Request = request;
Json = json;
}
}
}

10
Gameboard.ShogiUI.Sockets/Services/Utility/Request.cs
View File

@@ -1,10 +0,0 @@
using Gameboard.ShogiUI.Sockets.ServiceModels.Socket;
using Gameboard.ShogiUI.Sockets.ServiceModels.Types;
namespace Gameboard.ShogiUI.Sockets.Services.Utility
{
public class Request : IRequest
{
public ClientAction Action { get; set; }
}
}

9
Gameboard.ShogiUI.Sockets/Services/Utility/Response.cs
View File

@@ -1,9 +0,0 @@
using Gameboard.ShogiUI.Sockets.ServiceModels.Socket;
namespace Gameboard.ShogiUI.Sockets.Services.Utility
{
public class Response : IResponse
{
public string Action { get; set; }
}
}

48
Gameboard.ShogiUI.Sockets/Utilities/CoordsToNotationCollection.cs
View File

@@ -1,48 +0,0 @@
using Gameboard.ShogiUI.Sockets.Models;
using PathFinding;
using System;
using System.Collections.Generic;
using System.Numerics;
namespace Gameboard.ShogiUI.Sockets.Utilities
{
public class CoordsToNotationCollection : Dictionary<string, Piece?>, IPlanarCollection<Piece>
{
public delegate void ForEachDelegate(Piece element, Vector2 position);
public CoordsToNotationCollection() : base(81, StringComparer.OrdinalIgnoreCase)
{
}
public CoordsToNotationCollection(Dictionary<string, Piece?> board) : base(board, StringComparer.OrdinalIgnoreCase)
{
}
public Piece? this[Vector2 vector]
{
get => this[NotationHelper.ToBoardNotation(vector)];
set => this[NotationHelper.ToBoardNotation(vector)] = value;
}
public Piece? this[int x, int y]
{
get => this[NotationHelper.ToBoardNotation(x, y)];
set => this[NotationHelper.ToBoardNotation(x, y)] = value;
}
public void ForEachNotNull(ForEachDelegate callback)
{
for (var x = 0; x < 9; x++)
{
for (var y = 0; y < 9; y++)
{
var position = new Vector2(x, y);
var elem = this[position];
if (elem != null)
callback(elem, position);
}
}
}
}
}

36
Gameboard.ShogiUI.Sockets/Utilities/NotationHelper.cs
View File

@@ -1,36 +0,0 @@
using System;
using System.Numerics;
using System.Text.RegularExpressions;
namespace Gameboard.ShogiUI.Sockets.Utilities
{
public static class NotationHelper
{
private static readonly string BoardNotationRegex = @"(?<file>[a-iA-I])(?<rank>[1-9])";
private static readonly char A = 'A';
public static string ToBoardNotation(Vector2 vector)
{
return ToBoardNotation((int)vector.X, (int)vector.Y);
}
public static string ToBoardNotation(int x, int y)
{
var file = (char)(x + A);
var rank = y + 1;
return $"{file}{rank}";
}
public static Vector2 FromBoardNotation(string notation)
{
notation = notation.ToUpper();
if (Regex.IsMatch(notation, BoardNotationRegex))
{
var match = Regex.Match(notation, BoardNotationRegex);
char file = match.Groups["file"].Value[0];
int rank = int.Parse(match.Groups["rank"].Value);
return new Vector2(file - A, rank - 1);
}
throw new ArgumentException($"Board notation not recognized. Notation given: {notation}");
}
}
}

2
Gameboard.ShogiUI.UnitTests/Rules/ShogiBoardShould.cs
View File

@@ -3,7 +3,7 @@ using Gameboard.ShogiUI.Sockets.Models;
using Microsoft.VisualStudio.TestTools.UnitTesting;
using System.Linq;
using System.Numerics;
using WhichPerspective = Gameboard.ShogiUI.Sockets.ServiceModels.Types.WhichPerspective;
using WhichPerspective = Gameboard.ShogiUI.Sockets.ServiceModels.Types.WhichPlayer;
using WhichPiece = Gameboard.ShogiUI.Sockets.ServiceModels.Types.WhichPiece;
namespace Gameboard.ShogiUI.UnitTests.Rules
{

41
Gameboard.ShogiUI.xUnitTests/CoordsToNotationCollectionShould.cs
View File

@@ -1,41 +0,0 @@
using AutoFixture;
using FluentAssertions;
using Gameboard.ShogiUI.Sockets.Models;
using Gameboard.ShogiUI.Sockets.Utilities;
using Xunit;
namespace Gameboard.ShogiUI.xUnitTests
{
public class CoordsToNotationCollectionShould
{
private readonly Fixture fixture;
private readonly CoordsToNotationCollection collection;
public CoordsToNotationCollectionShould()
{
fixture = new Fixture();
collection = new CoordsToNotationCollection();
}
[Fact]
public void TranslateCoordinatesToNotation()
{
// Arrange
collection[0, 0] = fixture.Create<Piece>();
collection[4, 4] = fixture.Create<Piece>();
collection[8, 8] = fixture.Create<Piece>();
collection[2, 2] = fixture.Create<Piece>();
// Assert
collection["A1"].Should().BeSameAs(collection[0, 0]);
collection["E5"].Should().BeSameAs(collection[4, 4]);
collection["I9"].Should().BeSameAs(collection[8, 8]);
collection["C3"].Should().BeSameAs(collection[2, 2]);
}
[Fact]
public void Yep()
{
}
}
}

2
Gameboard.ShogiUI.xUnitTests/GameShould.cs
View File

@@ -9,7 +9,7 @@ namespace Gameboard.ShogiUI.xUnitTests
[Fact]
public void DiscardNullPLayers()
{
var game = new Game("Test", "P1", null);
var game = new Session("Test", "P1", null);
game.Players.Count.Should().Be(1);
}

621
Gameboard.ShogiUI.xUnitTests/ShogiShould.cs
View File

@@ -1,621 +0,0 @@
using FluentAssertions;
using FluentAssertions.Execution;
using Gameboard.ShogiUI.Sockets.Extensions;
using Gameboard.ShogiUI.Sockets.Models;
using System.Linq;
using Xunit;
using Xunit.Abstractions;
using WhichPiece = Gameboard.ShogiUI.Sockets.ServiceModels.Types.WhichPiece;
using WhichPerspective = Gameboard.ShogiUI.Sockets.ServiceModels.Types.WhichPerspective;
using ShogiModel = Gameboard.ShogiUI.Sockets.Models.Shogi;
namespace Gameboard.ShogiUI.xUnitTests
{
public class ShogiShould
{
private readonly ITestOutputHelper output;
public ShogiShould(ITestOutputHelper output)
{
this.output = output;
}
[Fact]
public void InitializeBoardState()
{
// Act
var board = new ShogiModel().Board;
// Assert
board["A1"].WhichPiece.Should().Be(WhichPiece.Lance);
board["A1"].Owner.Should().Be(WhichPerspective.Player1);
board["A1"].IsPromoted.Should().Be(false);
board["B1"].WhichPiece.Should().Be(WhichPiece.Knight);
board["B1"].Owner.Should().Be(WhichPerspective.Player1);
board["B1"].IsPromoted.Should().Be(false);
board["C1"].WhichPiece.Should().Be(WhichPiece.SilverGeneral);
board["C1"].Owner.Should().Be(WhichPerspective.Player1);
board["C1"].IsPromoted.Should().Be(false);
board["D1"].WhichPiece.Should().Be(WhichPiece.GoldGeneral);
board["D1"].Owner.Should().Be(WhichPerspective.Player1);
board["D1"].IsPromoted.Should().Be(false);
board["E1"].WhichPiece.Should().Be(WhichPiece.King);
board["E1"].Owner.Should().Be(WhichPerspective.Player1);
board["E1"].IsPromoted.Should().Be(false);
board["F1"].WhichPiece.Should().Be(WhichPiece.GoldGeneral);
board["F1"].Owner.Should().Be(WhichPerspective.Player1);
board["F1"].IsPromoted.Should().Be(false);
board["G1"].WhichPiece.Should().Be(WhichPiece.SilverGeneral);
board["G1"].Owner.Should().Be(WhichPerspective.Player1);
board["G1"].IsPromoted.Should().Be(false);
board["H1"].WhichPiece.Should().Be(WhichPiece.Knight);
board["H1"].Owner.Should().Be(WhichPerspective.Player1);
board["H1"].IsPromoted.Should().Be(false);
board["I1"].WhichPiece.Should().Be(WhichPiece.Lance);
board["I1"].Owner.Should().Be(WhichPerspective.Player1);
board["I1"].IsPromoted.Should().Be(false);
board["A2"].Should().BeNull();
board["B2"].WhichPiece.Should().Be(WhichPiece.Bishop);
board["B2"].Owner.Should().Be(WhichPerspective.Player1);
board["B2"].IsPromoted.Should().Be(false);
board["C2"].Should().BeNull();
board["D2"].Should().BeNull();
board["E2"].Should().BeNull();
board["F2"].Should().BeNull();
board["G2"].Should().BeNull();
board["H2"].WhichPiece.Should().Be(WhichPiece.Rook);
board["H2"].Owner.Should().Be(WhichPerspective.Player1);
board["H2"].IsPromoted.Should().Be(false);
board["I2"].Should().BeNull();
board["A3"].WhichPiece.Should().Be(WhichPiece.Pawn);
board["A3"].Owner.Should().Be(WhichPerspective.Player1);
board["A3"].IsPromoted.Should().Be(false);
board["B3"].WhichPiece.Should().Be(WhichPiece.Pawn);
board["B3"].Owner.Should().Be(WhichPerspective.Player1);
board["B3"].IsPromoted.Should().Be(false);
board["C3"].WhichPiece.Should().Be(WhichPiece.Pawn);
board["C3"].Owner.Should().Be(WhichPerspective.Player1);
board["C3"].IsPromoted.Should().Be(false);
board["D3"].WhichPiece.Should().Be(WhichPiece.Pawn);
board["D3"].Owner.Should().Be(WhichPerspective.Player1);
board["D3"].IsPromoted.Should().Be(false);
board["E3"].WhichPiece.Should().Be(WhichPiece.Pawn);
board["E3"].Owner.Should().Be(WhichPerspective.Player1);
board["E3"].IsPromoted.Should().Be(false);
board["F3"].WhichPiece.Should().Be(WhichPiece.Pawn);
board["F3"].Owner.Should().Be(WhichPerspective.Player1);
board["F3"].IsPromoted.Should().Be(false);
board["G3"].WhichPiece.Should().Be(WhichPiece.Pawn);
board["G3"].Owner.Should().Be(WhichPerspective.Player1);
board["G3"].IsPromoted.Should().Be(false);
board["H3"].WhichPiece.Should().Be(WhichPiece.Pawn);
board["H3"].Owner.Should().Be(WhichPerspective.Player1);
board["H3"].IsPromoted.Should().Be(false);
board["I3"].WhichPiece.Should().Be(WhichPiece.Pawn);
board["I3"].Owner.Should().Be(WhichPerspective.Player1);
board["I3"].IsPromoted.Should().Be(false);
board["A4"].Should().BeNull();
board["B4"].Should().BeNull();
board["C4"].Should().BeNull();
board["D4"].Should().BeNull();
board["E4"].Should().BeNull();
board["F4"].Should().BeNull();
board["G4"].Should().BeNull();
board["H4"].Should().BeNull();
board["I4"].Should().BeNull();
board["A5"].Should().BeNull();
board["B5"].Should().BeNull();
board["C5"].Should().BeNull();
board["D5"].Should().BeNull();
board["E5"].Should().BeNull();
board["F5"].Should().BeNull();
board["G5"].Should().BeNull();
board["H5"].Should().BeNull();
board["I5"].Should().BeNull();
board["A6"].Should().BeNull();
board["B6"].Should().BeNull();
board["C6"].Should().BeNull();
board["D6"].Should().BeNull();
board["E6"].Should().BeNull();
board["F6"].Should().BeNull();
board["G6"].Should().BeNull();
board["H6"].Should().BeNull();
board["I6"].Should().BeNull();
board["A7"].WhichPiece.Should().Be(WhichPiece.Pawn);
board["A7"].Owner.Should().Be(WhichPerspective.Player2);
board["A7"].IsPromoted.Should().Be(false);
board["B7"].WhichPiece.Should().Be(WhichPiece.Pawn);
board["B7"].Owner.Should().Be(WhichPerspective.Player2);
board["B7"].IsPromoted.Should().Be(false);
board["C7"].WhichPiece.Should().Be(WhichPiece.Pawn);
board["C7"].Owner.Should().Be(WhichPerspective.Player2);
board["C7"].IsPromoted.Should().Be(false);
board["D7"].WhichPiece.Should().Be(WhichPiece.Pawn);
board["D7"].Owner.Should().Be(WhichPerspective.Player2);
board["D7"].IsPromoted.Should().Be(false);
board["E7"].WhichPiece.Should().Be(WhichPiece.Pawn);
board["E7"].Owner.Should().Be(WhichPerspective.Player2);
board["E7"].IsPromoted.Should().Be(false);
board["F7"].WhichPiece.Should().Be(WhichPiece.Pawn);
board["F7"].Owner.Should().Be(WhichPerspective.Player2);
board["F7"].IsPromoted.Should().Be(false);
board["G7"].WhichPiece.Should().Be(WhichPiece.Pawn);
board["G7"].Owner.Should().Be(WhichPerspective.Player2);
board["G7"].IsPromoted.Should().Be(false);
board["H7"].WhichPiece.Should().Be(WhichPiece.Pawn);
board["H7"].Owner.Should().Be(WhichPerspective.Player2);
board["H7"].IsPromoted.Should().Be(false);
board["I7"].WhichPiece.Should().Be(WhichPiece.Pawn);
board["I7"].Owner.Should().Be(WhichPerspective.Player2);
board["I7"].IsPromoted.Should().Be(false);
board["A8"].Should().BeNull();
board["B8"].WhichPiece.Should().Be(WhichPiece.Rook);
board["B8"].Owner.Should().Be(WhichPerspective.Player2);
board["B8"].IsPromoted.Should().Be(false);
board["C8"].Should().BeNull();
board["D8"].Should().BeNull();
board["E8"].Should().BeNull();
board["F8"].Should().BeNull();
board["G8"].Should().BeNull();
board["H8"].WhichPiece.Should().Be(WhichPiece.Bishop);
board["H8"].Owner.Should().Be(WhichPerspective.Player2);
board["H8"].IsPromoted.Should().Be(false);
board["I8"].Should().BeNull();
board["A9"].WhichPiece.Should().Be(WhichPiece.Lance);
board["A9"].Owner.Should().Be(WhichPerspective.Player2);
board["A9"].IsPromoted.Should().Be(false);
board["B9"].WhichPiece.Should().Be(WhichPiece.Knight);
board["B9"].Owner.Should().Be(WhichPerspective.Player2);
board["B9"].IsPromoted.Should().Be(false);
board["C9"].WhichPiece.Should().Be(WhichPiece.SilverGeneral);
board["C9"].Owner.Should().Be(WhichPerspective.Player2);
board["C9"].IsPromoted.Should().Be(false);
board["D9"].WhichPiece.Should().Be(WhichPiece.GoldGeneral);
board["D9"].Owner.Should().Be(WhichPerspective.Player2);
board["D9"].IsPromoted.Should().Be(false);
board["E9"].WhichPiece.Should().Be(WhichPiece.King);
board["E9"].Owner.Should().Be(WhichPerspective.Player2);
board["E9"].IsPromoted.Should().Be(false);
board["F9"].WhichPiece.Should().Be(WhichPiece.GoldGeneral);
board["F9"].Owner.Should().Be(WhichPerspective.Player2);
board["F9"].IsPromoted.Should().Be(false);
board["G9"].WhichPiece.Should().Be(WhichPiece.SilverGeneral);
board["G9"].Owner.Should().Be(WhichPerspective.Player2);
board["G9"].IsPromoted.Should().Be(false);
board["H9"].WhichPiece.Should().Be(WhichPiece.Knight);
board["H9"].Owner.Should().Be(WhichPerspective.Player2);
board["H9"].IsPromoted.Should().Be(false);
board["I9"].WhichPiece.Should().Be(WhichPiece.Lance);
board["I9"].Owner.Should().Be(WhichPerspective.Player2);
board["I9"].IsPromoted.Should().Be(false);
}
[Fact]
public void InitializeBoardStateWithMoves()
{
var moves = new[]
{
// P1 Pawn
new Move("A3", "A4")
};
var shogi = new ShogiModel(moves);
shogi.Board["A3"].Should().BeNull();
shogi.Board["A4"].WhichPiece.Should().Be(WhichPiece.Pawn);
}
[Fact]
public void AllowValidMoves_AfterCheck()
{
// Arrange
var moves = new[]
{
// P1 Pawn
new Move("C3", "C4"),
// P2 Pawn
new Move("G7", "G6"),
// P1 Bishop puts P2 in check
new Move("B2", "G7"),
};
var shogi = new ShogiModel(moves);
shogi.InCheck.Should().Be(WhichPerspective.Player2);
// Act - P2 is able to un-check theirself.
/// P2 King moves out of check
var moveSuccess = shogi.Move(new Move("E9", "E8"));
// Assert
using var _ = new AssertionScope();
moveSuccess.Should().BeTrue();
shogi.InCheck.Should().BeNull();
}
[Fact]
public void PreventInvalidMoves_MoveFromEmptyPosition()
{
// Arrange
var shogi = new ShogiModel();
shogi.Board["D5"].Should().BeNull();
// Act
var moveSuccess = shogi.Move(new Move("D5", "D6"));
// Assert
moveSuccess.Should().BeFalse();
shogi.Board["D5"].Should().BeNull();
shogi.Board["D6"].Should().BeNull();
}
[Fact]
public void PreventInvalidMoves_MoveToCurrentPosition()
{
// Arrange
var shogi = new ShogiModel();
// Act - P1 "moves" pawn to the position it already exists at.
var moveSuccess = shogi.Move(new Move("A3", "A3"));
// Assert
moveSuccess.Should().BeFalse();
shogi.Board["A3"].WhichPiece.Should().Be(WhichPiece.Pawn);
shogi.Player1Hand.Should().BeEmpty();
shogi.Player2Hand.Should().BeEmpty();
}
[Fact]
public void PreventInvalidMoves_MoveSet()
{
// Arrange
var shogi = new ShogiModel();
// Act - Move Lance illegally
var moveSuccess = shogi.Move(new Move("A1", "D5"));
// Assert
moveSuccess.Should().BeFalse();
shogi.Board["A1"].WhichPiece.Should().Be(WhichPiece.Lance);
shogi.Board["A5"].Should().BeNull();
shogi.Player1Hand.Should().BeEmpty();
shogi.Player2Hand.Should().BeEmpty();
}
[Fact]
public void PreventInvalidMoves_Ownership()
{
// Arrange
var shogi = new ShogiModel();
shogi.WhoseTurn.Should().Be(WhichPerspective.Player1);
shogi.Board["A7"].Owner.Should().Be(WhichPerspective.Player2);
// Act - Move Player2 Pawn when it is Player1 turn.
var moveSuccess = shogi.Move(new Move("A7", "A6"));
// Assert
moveSuccess.Should().BeFalse();
shogi.Board["A7"].WhichPiece.Should().Be(WhichPiece.Pawn);
shogi.Board["A6"].Should().BeNull();
}
[Fact]
public void PreventInvalidMoves_MoveThroughAllies()
{
// Arrange
var shogi = new ShogiModel();
// Act - Move P1 Lance through P1 Pawn.
var moveSuccess = shogi.Move(new Move("A1", "A5"));
// Assert
moveSuccess.Should().BeFalse();
shogi.Board["A1"].WhichPiece.Should().Be(WhichPiece.Lance);
shogi.Board["A3"].WhichPiece.Should().Be(WhichPiece.Pawn);
shogi.Board["A5"].Should().BeNull();
}
[Fact]
public void PreventInvalidMoves_CaptureAlly()
{
// Arrange
var shogi = new ShogiModel();
// Act - P1 Knight tries to capture P1 Pawn.
var moveSuccess = shogi.Move(new Move("B1", "C3"));
// Arrange
moveSuccess.Should().BeFalse();
shogi.Board["B1"].WhichPiece.Should().Be(WhichPiece.Knight);
shogi.Board["C3"].WhichPiece.Should().Be(WhichPiece.Pawn);
shogi.Player1Hand.Should().BeEmpty();
shogi.Player2Hand.Should().BeEmpty();
}
[Fact]
public void PreventInvalidMoves_Check()
{
// Arrange
var moves = new[]
{
// P1 Pawn
new Move("C3", "C4"),
// P2 Pawn
new Move("G7", "G6"),
// P1 Bishop puts P2 in check
new Move("B2", "G7")
};
var shogi = new ShogiModel(moves);
shogi.InCheck.Should().Be(WhichPerspective.Player2);
// Act - P2 moves Lance while in check.
var moveSuccess = shogi.Move(new Move("I9", "I8"));
// Assert
moveSuccess.Should().BeFalse();
shogi.InCheck.Should().Be(WhichPerspective.Player2);
shogi.Board["I9"].WhichPiece.Should().Be(WhichPiece.Lance);
shogi.Board["I8"].Should().BeNull();
}
[Fact]
public void PreventInvalidDrops_MoveSet()
{
// Arrange
var moves = new[]
{
// P1 Pawn
new Move("C3", "C4"),
// P2 Pawn
new Move("I7", "I6"),
// P1 Bishop takes P2 Pawn.
new Move("B2", "G7"),
// P2 Gold, block check from P1 Bishop.
new Move("F9", "F8"),
// P1 Bishop takes P2 Bishop, promotes so it can capture P2 Knight and P2 Lance
new Move("G7", "H8", true),
// P2 Pawn again
new Move("I6", "I5"),
// P1 Bishop takes P2 Knight
new Move("H8", "H9"),
// P2 Pawn again
new Move("I5", "I4"),
// P1 Bishop takes P2 Lance
new Move("H9", "I9"),
// P2 Pawn captures P1 Pawn
new Move("I4", "I3")
};
var shogi = new ShogiModel(moves);
shogi.Player1Hand.Count.Should().Be(4);
shogi.Player1Hand.Should().ContainSingle(_ => _.WhichPiece == WhichPiece.Knight);
shogi.Player1Hand.Should().ContainSingle(_ => _.WhichPiece == WhichPiece.Lance);
shogi.Player1Hand.Should().ContainSingle(_ => _.WhichPiece == WhichPiece.Pawn);
shogi.Player1Hand.Should().ContainSingle(_ => _.WhichPiece == WhichPiece.Bishop);
shogi.WhoseTurn.Should().Be(WhichPerspective.Player1);
// Act | Assert - Illegally placing Knight from the hand in farthest row.
shogi.Board["H9"].Should().BeNull();
var dropSuccess = shogi.Move(new Move(WhichPiece.Knight, "H9"));
dropSuccess.Should().BeFalse();
shogi.Board["H9"].Should().BeNull();
shogi.Player1Hand.Should().ContainSingle(_ => _.WhichPiece == WhichPiece.Knight);
// Act | Assert - Illegally placing Knight from the hand in second farthest row.
shogi.Board["H8"].Should().BeNull();
dropSuccess = shogi.Move(new Move(WhichPiece.Knight, "H8"));
dropSuccess.Should().BeFalse();
shogi.Board["H8"].Should().BeNull();
shogi.Player1Hand.Should().ContainSingle(_ => _.WhichPiece == WhichPiece.Knight);
// Act | Assert - Illegally place Lance from the hand.
shogi.Board["H9"].Should().BeNull();
dropSuccess = shogi.Move(new Move(WhichPiece.Knight, "H9"));
dropSuccess.Should().BeFalse();
shogi.Board["H9"].Should().BeNull();
shogi.Player1Hand.Should().ContainSingle(_ => _.WhichPiece == WhichPiece.Lance);
// Act | Assert - Illegally place Pawn from the hand.
shogi.Board["H9"].Should().BeNull();
dropSuccess = shogi.Move(new Move(WhichPiece.Pawn, "H9"));
dropSuccess.Should().BeFalse();
shogi.Board["H9"].Should().BeNull();
shogi.Player1Hand.Should().ContainSingle(_ => _.WhichPiece == WhichPiece.Pawn);
// Act | Assert - Illegally place Pawn from the hand in a row which already has an unpromoted Pawn.
// TODO
}
[Fact]
public void PreventInvalidDrop_Check()
{
// Arrange
var moves = new[]
{
// P1 Pawn
new Move("C3", "C4"),
// P2 Pawn
new Move("G7", "G6"),
// P1 Pawn, arbitrary move.
new Move("A3", "A4"),
// P2 Bishop takes P1 Bishop
new Move("H8", "B2"),
// P1 Silver takes P2 Bishop
new Move("C1", "B2"),
// P2 Pawn, arbtrary move
new Move("A7", "A6"),
// P1 drop Bishop, place P2 in check
new Move(WhichPiece.Bishop, "G7")
};
var shogi = new ShogiModel(moves);
shogi.InCheck.Should().Be(WhichPerspective.Player2);
shogi.Player2Hand.Should().ContainSingle(_ => _.WhichPiece == WhichPiece.Bishop);
shogi.Board["E5"].Should().BeNull();
// Act - P2 places a Bishop while in check.
var dropSuccess = shogi.Move(new Move(WhichPiece.Bishop, "E5"));
// Assert
dropSuccess.Should().BeFalse();
shogi.Board["E5"].Should().BeNull();
shogi.InCheck.Should().Be(WhichPerspective.Player2);
shogi.Player2Hand.Should().ContainSingle(_ => _.WhichPiece == WhichPiece.Bishop);
}
[Fact]
public void PreventInvalidDrop_Capture()
{
// Arrange
var moves = new[]
{
// P1 Pawn
new Move("C3", "C4"),
// P2 Pawn
new Move("G7", "G6"),
// P1 Bishop capture P2 Bishop
new Move("B2", "H8"),
// P2 Pawn
new Move("G6", "G5")
};
var shogi = new ShogiModel(moves);
using (new AssertionScope())
{
shogi.Player1Hand.Should().ContainSingle(_ => _.WhichPiece == WhichPiece.Bishop);
shogi.Board["I9"].Should().NotBeNull();
shogi.Board["I9"].WhichPiece.Should().Be(WhichPiece.Lance);
shogi.Board["I9"].Owner.Should().Be(WhichPerspective.Player2);
}
// Act - P1 tries to place a piece where an opponent's piece resides.
var dropSuccess = shogi.Move(new Move(WhichPiece.Bishop, "I9"));
// Assert
using (new AssertionScope())
{
dropSuccess.Should().BeFalse();
shogi.Player1Hand.Should().ContainSingle(_ => _.WhichPiece == WhichPiece.Bishop);
shogi.Board["I9"].Should().NotBeNull();
shogi.Board["I9"].WhichPiece.Should().Be(WhichPiece.Lance);
shogi.Board["I9"].Owner.Should().Be(WhichPerspective.Player2);
}
}
[Fact]
public void Check()
{
// Arrange
var moves = new[]
{
// P1 Pawn
new Move("C3", "C4"),
// P2 Pawn
new Move("G7", "G6"),
};
var shogi = new ShogiModel(moves);
// Act - P1 Bishop, check
shogi.Move(new Move("B2", "G7"));
// Assert
shogi.InCheck.Should().Be(WhichPerspective.Player2);
}
[Fact]
public void Promote()
{
// Arrange
var moves = new[]
{
// P1 Pawn
new Move("C3", "C4" ),
// P2 Pawn
new Move("G7", "G6" )
};
var shogi = new ShogiModel(moves);
// Act - P1 moves across promote threshold.
var moveSuccess = shogi.Move(new Move("B2", "G7", true));
// Assert
using (new AssertionScope())
{
moveSuccess.Should().BeTrue();
shogi.Board["B2"].Should().BeNull();
shogi.Board["G7"].Should().NotBeNull();
shogi.Board["G7"].WhichPiece.Should().Be(WhichPiece.Bishop);
shogi.Board["G7"].Owner.Should().Be(WhichPerspective.Player1);
shogi.Board["G7"].IsPromoted.Should().BeTrue();
}
}
[Fact]
public void CheckMate()
{
// Arrange
var moves = new[]
{
// P1 Rook
new Move("H2", "E2"),
// P2 Gold
new Move("F9", "G8"),
// P1 Pawn
new Move("E3", "E4"),
// P2 other Gold
new Move("D9", "C8"),
// P1 same Pawn
new Move("E4", "E5"),
// P2 Pawn
new Move("E7", "E6"),
// P1 Pawn takes P2 Pawn
new Move("E5", "E6"),
// P2 King
new Move("E9", "E8"),
// P1 Pawn promotes, threatens P2 King
new Move("E6", "E7", true),
// P2 King retreat
new Move("E8", "E9"),
};
var shogi = new ShogiModel(moves);
output.WriteLine(shogi.PrintStateAsAscii());
// Act - P1 Pawn wins by checkmate.
var moveSuccess = shogi.Move(new Move("E7", "E8"));
output.WriteLine(shogi.PrintStateAsAscii());
// Assert - checkmate
moveSuccess.Should().BeTrue();
shogi.IsCheckmate.Should().BeTrue();
shogi.InCheck.Should().Be(WhichPerspective.Player2);
}
[Fact]
public void Capture()
{
// Arrange
var moves = new[]
{
new Move("C3", "C4"),
new Move("G7", "G6")
};
var shogi = new ShogiModel(moves);
// Act - P1 Bishop captures P2 Bishop
var moveSuccess = shogi.Move(new Move("B2", "H8"));
// Assert
moveSuccess.Should().BeTrue();
shogi.Board["B2"].Should().BeNull();
shogi.Board["H8"].WhichPiece.Should().Be(WhichPiece.Bishop);
shogi.Board["H8"].Owner.Should().Be(WhichPerspective.Player1);
shogi.Board.Values
.Where(p => p != null)
.Should().ContainSingle(piece => piece.WhichPiece == WhichPiece.Bishop);
shogi.Player1Hand
.Should()
.ContainSingle(p => p.WhichPiece == WhichPiece.Bishop && p.Owner == WhichPerspective.Player1);
}
}
}

27
Shogi.Domain.UnitTests/NotationShould.cs Normal file
View File

@@ -0,0 +1,27 @@
using FluentAssertions;
using System.Numerics;
using Xunit;
namespace Shogi.Domain.UnitTests
{
public class NotationShould
{
[Fact]
public void ConvertFromNotationToVector()
{
Notation.FromBoardNotation("A1").Should().Be(new Vector2(0, 0));
Notation.FromBoardNotation("E5").Should().Be(new Vector2(4, 4));
Notation.FromBoardNotation("I9").Should().Be(new Vector2(8, 8));
Notation.FromBoardNotation("C3").Should().Be(new Vector2(2, 2));
}
[Fact]
public void ConvertFromVectorToNotation()
{
Notation.ToBoardNotation(new Vector2(0, 0)).Should().Be("A1");
Notation.ToBoardNotation(new Vector2(4, 4)).Should().Be("E5");
Notation.ToBoardNotation(new Vector2(8, 8)).Should().Be("I9");
Notation.ToBoardNotation(new Vector2(2, 2)).Should().Be("C3");
}
}
}

2
Shogi.Domain.UnitTests/ShogiBoardStateShould.cs
View File

@@ -9,7 +9,7 @@ namespace Shogi.Domain.UnitTests
public void InitializeBoardState()
{
// Act
var board = new ShogiBoardState();
var board = new BoardState();
// Assert
board["A1"]?.WhichPiece.Should().Be(WhichPiece.Lance);

56
Shogi.Domain.UnitTests/ShogiShould.cs
View File

@@ -18,8 +18,8 @@ namespace Shogi.Domain.UnitTests
public void MoveAPieceToAnEmptyPosition()
{
// Arrange
var board = new ShogiBoardState();
var shogi = new Shogi(board);
var board = new BoardState();
var shogi = new Session(board);
board["A4"].Should().BeNull();
var expectedPiece = board["A3"];
expectedPiece.Should().NotBeNull();
@@ -36,8 +36,8 @@ namespace Shogi.Domain.UnitTests
public void AllowValidMoves_AfterCheck()
{
// Arrange
var board = new ShogiBoardState();
var shogi = new Shogi(board);
var board = new BoardState();
var shogi = new Session(board);
// P1 Pawn
shogi.Move("C3", "C4", false);
// P2 Pawn
@@ -61,8 +61,8 @@ namespace Shogi.Domain.UnitTests
public void PreventInvalidMoves_MoveFromEmptyPosition()
{
// Arrange
var board = new ShogiBoardState();
var shogi = new Shogi(board);
var board = new BoardState();
var shogi = new Session(board);
board["D5"].Should().BeNull();
// Act
@@ -80,8 +80,8 @@ namespace Shogi.Domain.UnitTests
public void PreventInvalidMoves_MoveToCurrentPosition()
{
// Arrange
var board = new ShogiBoardState();
var shogi = new Shogi(board);
var board = new BoardState();
var shogi = new Session(board);
var expectedPiece = board["A3"];
// Act - P1 "moves" pawn to the position it already exists at.
@@ -101,8 +101,8 @@ namespace Shogi.Domain.UnitTests
public void PreventInvalidMoves_MoveSet()
{
// Arrange
var board = new ShogiBoardState();
var shogi = new Shogi(board);
var board = new BoardState();
var shogi = new Session(board);
var expectedPiece = board["A1"];
expectedPiece!.WhichPiece.Should().Be(WhichPiece.Lance);
@@ -124,8 +124,8 @@ namespace Shogi.Domain.UnitTests
public void PreventInvalidMoves_Ownership()
{
// Arrange
var board = new ShogiBoardState();
var shogi = new Shogi(board);
var board = new BoardState();
var shogi = new Session(board);
var expectedPiece = board["A7"];
expectedPiece!.Owner.Should().Be(WhichPlayer.Player2);
board.WhoseTurn.Should().Be(WhichPlayer.Player1);
@@ -146,8 +146,8 @@ namespace Shogi.Domain.UnitTests
public void PreventInvalidMoves_MoveThroughAllies()
{
// Arrange
var board = new ShogiBoardState();
var shogi = new Shogi(board);
var board = new BoardState();
var shogi = new Session(board);
var lance = board["A1"];
var pawn = board["A3"];
lance!.Owner.Should().Be(pawn!.Owner);
@@ -169,8 +169,8 @@ namespace Shogi.Domain.UnitTests
public void PreventInvalidMoves_CaptureAlly()
{
// Arrange
var board = new ShogiBoardState();
var shogi = new Shogi(board);
var board = new BoardState();
var shogi = new Session(board);
var knight = board["B1"];
var pawn = board["C3"];
knight!.Owner.Should().Be(pawn!.Owner);
@@ -193,8 +193,8 @@ namespace Shogi.Domain.UnitTests
public void PreventInvalidMoves_Check()
{
// Arrange
var board = new ShogiBoardState();
var shogi = new Shogi(board);
var board = new BoardState();
var shogi = new Session(board);
// P1 Pawn
shogi.Move("C3", "C4", false);
// P2 Pawn
@@ -222,8 +222,8 @@ namespace Shogi.Domain.UnitTests
public void PreventInvalidDrops_MoveSet()
{
// Arrange
var board = new ShogiBoardState();
var shogi = new Shogi(board);
var board = new BoardState();
var shogi = new Session(board);
// P1 Pawn
shogi.Move("C3", "C4", false);
// P2 Pawn
@@ -361,8 +361,8 @@ namespace Shogi.Domain.UnitTests
public void Check()
{
// Arrange
var boardState = new ShogiBoardState();
var shogi = new Shogi(boardState);
var boardState = new BoardState();
var shogi = new Session(boardState);
// P1 Pawn
shogi.Move("C3", "C4", false);
// P2 Pawn
@@ -379,8 +379,8 @@ namespace Shogi.Domain.UnitTests
public void Promote()
{
// Arrange
var boardState = new ShogiBoardState();
var shogi = new Shogi(boardState);
var boardState = new BoardState();
var shogi = new Session(boardState);
// P1 Pawn
shogi.Move("C3", "C4", false);
// P2 Pawn
@@ -404,8 +404,8 @@ namespace Shogi.Domain.UnitTests
public void Capture()
{
// Arrange
var boardState = new ShogiBoardState();
var shogi = new Shogi(boardState);
var boardState = new BoardState();
var shogi = new Session(boardState);
var p1Bishop = boardState["B2"];
p1Bishop!.WhichPiece.Should().Be(WhichPiece.Bishop);
shogi.Move("C3", "C4", false);
@@ -428,8 +428,8 @@ namespace Shogi.Domain.UnitTests
public void CheckMate()
{
// Arrange
var boardState = new ShogiBoardState();
var shogi = new Shogi(boardState);
var boardState = new BoardState();
var shogi = new Session(boardState);
// P1 Rook
shogi.Move("H2", "E2", false);
// P2 Gold

58
Shogi.Domain/ShogiBoardState.cs → Shogi.Domain/BoardState.cs
View File

@@ -1,22 +1,26 @@
using Shogi.Domain.Pieces;
using System.Text.RegularExpressions;
using BoardTile = System.Collections.Generic.KeyValuePair<System.Numerics.Vector2, Shogi.Domain.Pieces.Piece>;
namespace Shogi.Domain
{
// TODO: Avoid extending dictionary. Use composition instead.
// Then validation can occur when assigning a piece to a position.
public class ShogiBoardState
public class BoardState
{
private static readonly string BoardNotationRegex = @"(?<file>[A-I])(?<rank>[1-9])";
private static readonly char A = 'A';
public delegate void ForEachDelegate(Piece element, Vector2 position);
/// <summary>
/// Key is position notation, such as "E4".
/// </summary>
private readonly Dictionary<string, Piece?> board;
public ShogiBoardState()
public BoardState(Dictionary<string, Piece?> state)
{
board = state;
Player1Hand = new List<Piece>();
Player2Hand = new List<Piece>();
PreviousMoveTo = Vector2.Zero;
}
public BoardState()
{
board = new Dictionary<string, Piece?>(81, StringComparer.OrdinalIgnoreCase);
InitializeBoardState();
@@ -25,13 +29,14 @@ namespace Shogi.Domain
PreviousMoveTo = Vector2.Zero;
}
public Dictionary<string, Piece?> State => board;
public List<Piece> ActivePlayerHand => WhoseTurn == WhichPlayer.Player1 ? Player1Hand : Player2Hand;
public Vector2 Player1KingPosition => FromBoardNotation(this.board.Where(kvp => kvp.Value != null).Single(kvp =>
public Vector2 Player1KingPosition => Notation.FromBoardNotation(this.board.Where(kvp => kvp.Value != null).Single(kvp =>
{
var piece = kvp.Value;
return piece!.IsKing() && piece!.Owner == WhichPlayer.Player1;
}).Key);
public Vector2 Player2KingPosition => FromBoardNotation(this.board.Where(kvp => kvp.Value != null).Single(kvp =>
public Vector2 Player2KingPosition => Notation.FromBoardNotation(this.board.Where(kvp => kvp.Value != null).Single(kvp =>
{
var piece = kvp.Value;
return piece!.IsKing() && piece!.Owner == WhichPlayer.Player2;
@@ -47,12 +52,12 @@ namespace Shogi.Domain
/// <summary>
/// Copy constructor.
/// </summary>
public ShogiBoardState(ShogiBoardState other) : this()
public BoardState(BoardState other) : this()
{
foreach (var kvp in other.board)
{
// Replace copy constructor with static factory method in Piece.cs
board[kvp.Key] = kvp.Value == null ? null : Piece.Create(kvp.Value);
board[kvp.Key] = kvp.Value == null ? null : Piece.CreateCopy(kvp.Value);
}
WhoseTurn = other.WhoseTurn;
InCheck = other.InCheck;
@@ -71,14 +76,14 @@ namespace Shogi.Domain
public Piece? this[Vector2 vector]
{
get => this[ToBoardNotation(vector)];
set => this[ToBoardNotation(vector)] = value;
get => this[Notation.ToBoardNotation(vector)];
set => this[Notation.ToBoardNotation(vector)] = value;
}
public Piece? this[int x, int y]
{
get => this[ToBoardNotation(x, y)];
set => this[ToBoardNotation(x, y)] = value;
get => this[Notation.ToBoardNotation(x, y)];
set => this[Notation.ToBoardNotation(x, y)] = value;
}
internal void RememberAsMostRecentMove(Vector2 from, Vector2 to)
@@ -111,7 +116,7 @@ namespace Shogi.Domain
internal List<BoardTile> GetTilesOccupiedBy(WhichPlayer whichPlayer) => board
.Where(kvp => kvp.Value?.Owner == whichPlayer)
.Select(kvp => new BoardTile(FromBoardNotation(kvp.Key), kvp.Value!))
.Select(kvp => new BoardTile(Notation.FromBoardNotation(kvp.Key), kvp.Value!))
.ToList();
internal void Capture(Vector2 to)
@@ -144,27 +149,6 @@ namespace Shogi.Domain
}
return null;
}
public static string ToBoardNotation(Vector2 vector)
{
return ToBoardNotation((int)vector.X, (int)vector.Y);
}
private static string ToBoardNotation(int x, int y)
{
var file = (char)(x + A);
var rank = y + 1;
return $"{file}{rank}";
}
public static Vector2 FromBoardNotation(string notation)
{
if (Regex.IsMatch(notation, BoardNotationRegex))
{
var match = Regex.Match(notation, BoardNotationRegex, RegexOptions.IgnoreCase);
char file = match.Groups["file"].Value[0];
int rank = int.Parse(match.Groups["rank"].Value);
return new Vector2(file - A, rank - 1);
}
throw new ArgumentException($"Board notation not recognized. Notation given: {notation}");
}
private void InitializeBoardState()
{

33
Shogi.Domain/Notation.cs Normal file
View File

@@ -0,0 +1,33 @@
using System.Text.RegularExpressions;
namespace Shogi.Domain
{
public static class Notation
{
private static readonly string BoardNotationRegex = @"(?<file>[A-I])(?<rank>[1-9])";
private static readonly char A = 'A';
public static string ToBoardNotation(Vector2 vector)
{
return ToBoardNotation((int)vector.X, (int)vector.Y);
}
public static string ToBoardNotation(int x, int y)
{
var file = (char)(x + A);
var rank = y + 1;
return $"{file}{rank}";
}
public static Vector2 FromBoardNotation(string notation)
{
if (Regex.IsMatch(notation, BoardNotationRegex))
{
var match = Regex.Match(notation, BoardNotationRegex, RegexOptions.IgnoreCase);
char file = match.Groups["file"].Value[0];
int rank = int.Parse(match.Groups["rank"].Value);
return new Vector2(file - A, rank - 1);
}
throw new ArgumentException($"Board notation not recognized. Notation given: {notation}");
}
}
}

4
Shogi.Domain/Pieces/Piece.cs
View File

@@ -9,7 +9,7 @@ namespace Shogi.Domain.Pieces
/// <summary>
/// Creates a clone of an existing piece.
/// </summary>
public static Piece Create(Piece piece) => Create(piece.WhichPiece, piece.Owner, piece.IsPromoted);
public static Piece CreateCopy(Piece piece) => Create(piece.WhichPiece, piece.Owner, piece.IsPromoted);
public static Piece Create(WhichPiece piece, WhichPlayer owner, bool isPromoted = false)
{
return piece switch
@@ -25,8 +25,6 @@ namespace Shogi.Domain.Pieces
_ => throw new ArgumentException($"Unknown {nameof(WhichPiece)} when cloning a {nameof(Piece)}.")
};
}
// TODO: MoveSet doesn't account for Player2's pieces which are upside-down.
public abstract IEnumerable<Path> MoveSet { get; }
public WhichPiece WhichPiece { get; }
public WhichPlayer Owner { get; private set; }

35
Shogi.Domain/Shogi.cs → Shogi.Domain/Session.cs
View File

@@ -8,21 +8,38 @@ namespace Shogi.Domain
/// The board is always from Player1's perspective.
/// [0,0] is the lower-left position, [8,8] is the higher-right position
/// </summary>
public sealed class Shogi
public sealed class Session
{
private readonly ShogiBoardState boardState;
private readonly Tuple<string, string> Players;
private readonly BoardState boardState;
private readonly StandardRules rules;
private readonly SessionMetadata metadata;
public Shogi() : this(new ShogiBoardState())
public Session() : this(new BoardState())
{
}
public Shogi(ShogiBoardState board)
public Session(BoardState state) : this(state, new SessionMetadata(string.Empty, false, string.Empty, string.Empty))
{
this.rules = new StandardRules(board);
this.boardState = board;
}
public Session(BoardState state, SessionMetadata metadata)
{
rules = new StandardRules(state);
boardState = state;
this.metadata = metadata;
Players = new(string.Empty, string.Empty);
}
public string Name => metadata.Name;
public string Player1Name => metadata.Player1;
public string? Player2Name => metadata.Player2;
public IDictionary<string, Piece?> BoardState => boardState.State;
public IList<Piece> Player1Hand => boardState.Player1Hand;
public IList<Piece> Player2Hand => boardState.Player2Hand;
public WhichPlayer? InCheck => boardState.InCheck;
public bool IsCheckMate => boardState.IsCheckmate;
/// <summary>
/// Move a piece from a board position to another board position, potentially capturing an opponents piece. Respects all rules of the game.
/// </summary>
@@ -33,7 +50,7 @@ namespace Shogi.Domain
/// <exception cref="InvalidOperationException"></exception>
public void Move(string from, string to, bool isPromotion)
{
var simulationState = new ShogiBoardState(boardState);
var simulationState = new BoardState(boardState);
var simulation = new StandardRules(simulationState);
var moveResult = simulation.Move(from, to, isPromotion);
if (!moveResult.Success)
@@ -83,7 +100,7 @@ namespace Shogi.Domain
throw new InvalidOperationException("Illegal placement of piece from the hand. Destination is not empty.");
}
var toVector = ShogiBoardState.FromBoardNotation(to);
var toVector = Notation.FromBoardNotation(to);
switch (pieceInHand)
{
case WhichPiece.Knight:
@@ -109,7 +126,7 @@ namespace Shogi.Domain
}
}
var tempBoard = new ShogiBoardState(boardState);
var tempBoard = new BoardState(boardState);
var simulation = new StandardRules(tempBoard);
var moveResult = simulation.Move(pieceInHand, to);
if (!moveResult.Success)

26
Shogi.Domain/SessionMetadata.cs Normal file
View File

@@ -0,0 +1,26 @@
namespace Shogi.Domain
{
/// <summary>
/// A representation of a Session without the board and game-rules.
/// </summary>
public class SessionMetadata
{
public string Name { get; }
public string Player1 { get; }
public string? Player2 { get; private set; }
public bool IsPrivate { get; }
public SessionMetadata(string name, bool isPrivate, string player1, string? player2 = null)
{
Name = name;
IsPrivate = isPrivate;
Player1 = player1;
Player2 = player2;
}
public void SetPlayer2(string user)
{
Player2 = user;
}
}
}

14
Shogi.Domain/StandardRules.cs
View File

@@ -6,9 +6,9 @@ namespace Shogi.Domain
{
internal class StandardRules
{
private readonly ShogiBoardState boardState;
private readonly BoardState boardState;
internal StandardRules(ShogiBoardState board)
internal StandardRules(BoardState board)
{
boardState = board;
}
@@ -22,8 +22,8 @@ namespace Shogi.Domain
/// <returns>A <see cref="MoveResult" /> describing the success or failure of the move.</returns>
internal MoveResult Move(string fromNotation, string toNotation, bool isPromotionRequested = false)
{
var from = ShogiBoardState.FromBoardNotation(fromNotation);
var to = ShogiBoardState.FromBoardNotation(toNotation);
var from = Notation.FromBoardNotation(fromNotation);
var to = Notation.FromBoardNotation(toNotation);
var fromPiece = boardState[from];
if (fromPiece == null)
{
@@ -69,7 +69,7 @@ namespace Shogi.Domain
/// <returns>A <see cref="MoveResult" /> describing the success or failure of the simulation.</returns>
internal MoveResult Move(WhichPiece pieceInHand, string toNotation)
{
var to = ShogiBoardState.FromBoardNotation(toNotation);
var to = Notation.FromBoardNotation(toNotation);
var index = boardState.ActivePlayerHand.FindIndex(p => p.WhichPiece == pieceInHand);
if (index == -1)
{
@@ -130,7 +130,7 @@ namespace Shogi.Domain
// Get line equation from king through the now-unoccupied location.
var direction = Vector2.Subtract(kingPosition, boardState.PreviousMoveFrom);
var slope = Math.Abs(direction.Y / direction.X);
var path = ShogiBoardState.GetPathAlongDirectionFromStartToEdgeOfBoard(boardState.PreviousMoveFrom, Vector2.Normalize(direction));
var path = BoardState.GetPathAlongDirectionFromStartToEdgeOfBoard(boardState.PreviousMoveFrom, Vector2.Normalize(direction));
var threat = boardState.QueryFirstPieceInPath(path);
if (threat == null || threat.Owner == previousMovedPiece.Owner) return false;
// If absolute slope is 45°, look for a bishop along the line.
@@ -253,7 +253,7 @@ namespace Shogi.Domain
var path = tile.Value.GetPathFromStartToEnd(tile.Key, lineOfSightTarget);
return path
.SkipLast(1)
.All(position => boardState[ShogiBoardState.ToBoardNotation(position)] == null);
.All(position => boardState[Notation.ToBoardNotation(position)] == null);
}
}
}