81 lines
3.6 KiB
C#
81 lines
3.6 KiB
C#
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using Chess;
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using System;
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using System.Collections.Generic;
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using System.Drawing;
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using System.Windows;
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namespace ChessPanel
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{
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public class Pawn : Piece
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{
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public Pawn(PieceColor color, Vector position, Grid fields) : base(position, fields)
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{
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type = (PieceType)Enum.Parse(typeof(PieceType), this.GetType().Name);
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this.color = color;
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this.image = (Image)ChessPanel.Properties.Resources.ResourceManager.GetObject($"{this.type.ToString()}{this.color.ToString()}");
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}
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internal override bool EndageresFieldWithVirtualMove(Grid fields, Field field, Piece movePiece, Field targetPos) // Pawn does not care about virtually moved pieces, if field is in range it can attack
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{
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int direction = this.color == PieceColor.White ? -1 : 1;
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#region Attack
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for (int x = -1; x < 2; x += 2)
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{
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if (field.location.Y + (direction) > 7 || field.location.Y + (direction) < 0 || field.location.X + x > 7 || field.location.X + x < 0)
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continue;
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if (fields[field.location, x, direction] == field)
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return true;
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}
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#endregion
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return false;
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}
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internal override Dictionary<Field, PieceTeam> GetTargetFields(Grid fields, Field field, PieceColor color)
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{
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MoveMode mode = MoveMode.Normal;
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Dictionary<Field, PieceTeam> targetFields = new Dictionary<Field, PieceTeam>();
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int direction = this.color == PieceColor.White ? -1 : 1;
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#region Movement
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if (mode == MoveMode.Normal || mode == MoveMode.Movement)
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for (int y = 1; y < 1 + (HasMoved ? 1 : 2); y++)
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{
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if (field.location.Y + (direction * y) > 7 || field.location.Y + (direction * y) < 0)
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break;
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if (fields[field.location, 0, (direction * y)].IsEmpty)
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targetFields.Add(fields[field.location, 0, (direction * y)], PieceTeam.Ally);
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else
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break;
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}
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#endregion
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#region Attack
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if (mode == MoveMode.Normal || mode == MoveMode.Attack)
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{
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#region EnPassant
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if (field.location.Y == (this.color == PieceColor.White ? 3 : 4))
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for (int x = -1; x < 2; x += 2)
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if (field.location.X + x <= 7 && field.location.X + x >= 0)
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if (fields[field.location, x, 0].CurrentPiece != null
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&& fields[field.location, x, 0].CurrentPiece.type == PieceType.Pawn
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&& fields[field.location, x, 0].CurrentPiece.color != this.color
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&& fields[field.location, x, 0].CurrentPiece.EnPassantPossible)
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targetFields.Add(fields[field.location, x, direction], PieceTeam.Enemy);
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#endregion
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for (int x = -1; x < 2; x += 2)
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{
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if (field.location.Y + (direction) > 7 || field.location.Y + (direction) < 0 || field.location.X + x > 7 || field.location.X + x < 0)
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continue;
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if (fields[field.location, x, direction].CurrentPiece != null && fields[field.location, x, direction].CurrentPiece.color != this.color)
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{
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targetFields.Add(fields[field.location, x, direction], PieceTeam.Enemy);
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}
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}
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#endregion
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}
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return targetFields;
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}
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}
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}
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