107 lines
2.9 KiB
C#
107 lines
2.9 KiB
C#
using System.Numerics;
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namespace Shogi.Domain
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{
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public class MoveSet
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{
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public static readonly MoveSet King = new(new List<Move>(8)
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{
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new Move(Direction.Up),
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new Move(Direction.Left),
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new Move(Direction.Right),
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new Move(Direction.Down),
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new Move(Direction.UpLeft),
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new Move(Direction.UpRight),
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new Move(Direction.DownLeft),
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new Move(Direction.DownRight)
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});
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public static readonly MoveSet Bishop = new(new List<Move>(4)
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{
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new Move(Direction.UpLeft, Distance.MultiStep),
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new Move(Direction.UpRight, Distance.MultiStep),
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new Move(Direction.DownLeft, Distance.MultiStep),
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new Move(Direction.DownRight, Distance.MultiStep)
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});
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public static readonly MoveSet PromotedBishop = new(new List<Move>(8)
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{
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new Move(Direction.Up),
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new Move(Direction.Left),
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new Move(Direction.Right),
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new Move(Direction.Down),
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new Move(Direction.UpLeft, Distance.MultiStep),
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new Move(Direction.UpRight, Distance.MultiStep),
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new Move(Direction.DownLeft, Distance.MultiStep),
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new Move(Direction.DownRight, Distance.MultiStep)
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});
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public static readonly MoveSet GoldGeneral = new(new List<Move>(6)
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{
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new Move(Direction.Up),
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new Move(Direction.UpLeft),
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new Move(Direction.UpRight),
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new Move(Direction.Left),
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new Move(Direction.Right),
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new Move(Direction.Down)
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});
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public static readonly MoveSet Knight = new(new List<Move>(2)
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{
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new Move(Direction.KnightLeft),
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new Move(Direction.KnightRight)
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});
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public static readonly MoveSet Lance = new(new List<Move>(1)
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{
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new Move(Direction.Up, Distance.MultiStep),
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});
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public static readonly MoveSet Pawn = new(new List<Move>(1)
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{
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new Move(Direction.Up)
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});
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public static readonly MoveSet Rook = new(new List<Move>(4)
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{
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new Move(Direction.Up, Distance.MultiStep),
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new Move(Direction.Left, Distance.MultiStep),
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new Move(Direction.Right, Distance.MultiStep),
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new Move(Direction.Down, Distance.MultiStep)
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});
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public static readonly MoveSet PromotedRook = new(new List<Move>(8)
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{
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new Move(Direction.Up, Distance.MultiStep),
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new Move(Direction.Left, Distance.MultiStep),
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new Move(Direction.Right, Distance.MultiStep),
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new Move(Direction.Down, Distance.MultiStep),
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new Move(Direction.UpLeft),
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new Move(Direction.UpRight),
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new Move(Direction.DownLeft),
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new Move(Direction.DownRight)
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});
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public static readonly MoveSet SilverGeneral = new(new List<Move>(4)
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{
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new Move(Direction.Up),
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new Move(Direction.UpLeft),
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new Move(Direction.UpRight),
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new Move(Direction.DownLeft),
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new Move(Direction.DownRight)
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});
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private readonly ICollection<Move> moves;
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private readonly ICollection<Move> upsidedownMoves;
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private MoveSet(ICollection<Move> moves)
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{
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this.moves = moves;
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upsidedownMoves = moves.Select(m => new Move(Vector2.Negate(m.Direction), m.Distance)).ToList();
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}
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public ICollection<Move> GetMoves(bool isUpsideDown) => isUpsideDown ? upsidedownMoves : moves;
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}
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}
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