diff options
| author | Ramaekers,Aldrik A.N <a.ramaekers@student.fontys.nl> | 2020-09-16 09:42:04 +0200 |
|---|---|---|
| committer | Ramaekers,Aldrik A.N <a.ramaekers@student.fontys.nl> | 2020-09-16 09:42:04 +0200 |
| commit | f6f3bbbc5b7741ad0db3c88a398cfc3943988529 (patch) | |
| tree | f9f3aca3cc688369607060336b699b8f711eb360 /Pieces/King.cs | |
| parent | 5a045404f3c49022abeb75c27dfe6f82d35928f7 (diff) | |
Diffstat (limited to 'Pieces/King.cs')
| -rw-r--r-- | Pieces/King.cs | 181 |
1 files changed, 123 insertions, 58 deletions
diff --git a/Pieces/King.cs b/Pieces/King.cs index 945c476..0a98597 100644 --- a/Pieces/King.cs +++ b/Pieces/King.cs @@ -1,58 +1,123 @@ -using System; -using System.Collections.Generic; -using System.Drawing; -using System.Linq; -using System.Text; -using System.Threading.Tasks; - -namespace Chess.Pieces -{ - class King : ChessPiece - { - public King(bool isWhite) : base(isWhite) - { - PieceImage = new Bitmap(!isWhite ? Chess.Properties.Resources.b_king_png_shadow_256px : Chess.Properties.Resources.w_king_png_shadow_256px); - } - - public override bool CanMoveTo(ChessBoard board, BoardTile currentTile, BoardTile destinationTile) - { - MoveCheckResult result; - - result = CanMoveDown(board, currentTile, destinationTile, 1); - if (result == MoveCheckResult.CanMove) return true; - if (result == MoveCheckResult.CantMove) return false; - - result = CanMoveUp(board, currentTile, destinationTile, 1); - if (result == MoveCheckResult.CanMove) return true; - if (result == MoveCheckResult.CantMove) return false; - - result = CanMoveLeft(board, currentTile, destinationTile, 1); - if (result == MoveCheckResult.CanMove) return true; - if (result == MoveCheckResult.CantMove) return false; - - result = CanMoveRight(board, currentTile, destinationTile, 1); - if (result == MoveCheckResult.CanMove) return true; - if (result == MoveCheckResult.CantMove) return false; - - // diagonal - - result = CanMoveDownLeft(board, currentTile, destinationTile, 1); - if (result == MoveCheckResult.CanMove) return true; - if (result == MoveCheckResult.CantMove) return false; - - result = CanMoveDownRight(board, currentTile, destinationTile, 1); - if (result == MoveCheckResult.CanMove) return true; - if (result == MoveCheckResult.CantMove) return false; - - result = CanMoveUpLeft(board, currentTile, destinationTile, 1); - if (result == MoveCheckResult.CanMove) return true; - if (result == MoveCheckResult.CantMove) return false; - - result = CanMoveUpRight(board, currentTile, destinationTile, 1); - if (result == MoveCheckResult.CanMove) return true; - if (result == MoveCheckResult.CantMove) return false; - - return false; - } - } -} +using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Chess.Pieces
+{
+ class King : ChessPiece
+ {
+ bool isInInitialPosition = true;
+
+ public King(bool isWhite) : base(isWhite)
+ {
+ PieceImage = new Bitmap(!isWhite ? Chess.Properties.Resources.b_king_png_shadow_256px : Chess.Properties.Resources.w_king_png_shadow_256px);
+ }
+
+ public override void PostMovementEvent(BoardTile tile)
+ {
+ isInInitialPosition = false;
+
+ base.PostMovementEvent(tile);
+ }
+
+ internal override MoveCheckResult CanMoveLeft(ChessBoard board, BoardTile currentTile, BoardTile destinationTile, int count = 8)
+ {
+ MoveCheckResult result = base.CanMoveLeft(board, currentTile, destinationTile, count);
+
+ // Check for legal castling move
+ if (isInInitialPosition)
+ {
+ var rooks = board.TilesByPieceType(typeof(Rook), this.IsWhite);
+
+ foreach(var rook in rooks)
+ {
+ if (rook != destinationTile) continue;
+
+ if (rook.OccupyingPiece is Rook piece)
+ {
+ if (piece.IsInInitialPosition)
+ {
+ if (rook.X == 0)
+ {
+ // check right path
+ if (board.Tiles[currentTile.Y, currentTile.X - 1].OccupyingPiece == null && rook.CanMoveTo(board, board.Tiles[currentTile.Y, currentTile.X - 1]))
+ {
+ result = MoveCheckResult.CanMove;
+ }
+ }
+ else if (rook.X == 7)
+ {
+ // check left path
+ if (board.Tiles[currentTile.Y, currentTile.X + 1].OccupyingPiece == null && rook.CanMoveTo(board, board.Tiles[currentTile.Y, currentTile.X + 1]))
+ {
+ result = MoveCheckResult.CanMove;
+ }
+ }
+ }
+ }
+ }
+
+ }
+
+ return result;
+ }
+
+ public override bool CanMoveTo(ChessBoard board, BoardTile currentTile, BoardTile destinationTile)
+ {
+ MoveCheckResult result;
+
+ result = CanMoveDown(board, currentTile, destinationTile, 1);
+ if (result == MoveCheckResult.CanMove) return true;
+ if (result == MoveCheckResult.CantMove) return false;
+
+ result = CanMoveUp(board, currentTile, destinationTile, 1);
+ if (result == MoveCheckResult.CanMove) return true;
+ if (result == MoveCheckResult.CantMove) return false;
+
+ result = CanMoveLeft(board, currentTile, destinationTile, 1);
+ if (result == MoveCheckResult.CanMove) return true;
+ if (result == MoveCheckResult.CantMove) return false;
+
+ result = CanMoveRight(board, currentTile, destinationTile, 1);
+ if (result == MoveCheckResult.CanMove) return true;
+ if (result == MoveCheckResult.CantMove) return false;
+
+ // diagonal
+
+ result = CanMoveDownLeft(board, currentTile, destinationTile, 1);
+ if (result == MoveCheckResult.CanMove) return true;
+ if (result == MoveCheckResult.CantMove) return false;
+
+ result = CanMoveDownRight(board, currentTile, destinationTile, 1);
+ if (result == MoveCheckResult.CanMove) return true;
+ if (result == MoveCheckResult.CantMove) return false;
+
+ result = CanMoveUpLeft(board, currentTile, destinationTile, 1);
+ if (result == MoveCheckResult.CanMove) return true;
+ if (result == MoveCheckResult.CantMove) return false;
+
+ result = CanMoveUpRight(board, currentTile, destinationTile, 1);
+ if (result == MoveCheckResult.CanMove) return true;
+ if (result == MoveCheckResult.CantMove) return false;
+
+ return false;
+ }
+
+ internal BoardTile GetCastleLocation(ChessBoard board, BoardTile currentTile, BoardTile destinationTile)
+ {
+ if (destinationTile.X < currentTile.X)
+ {
+ return board.Tiles[currentTile.Y, currentTile.X - 2];
+ }
+ else if (destinationTile.X > currentTile.X)
+ {
+ return board.Tiles[currentTile.Y, currentTile.X + 2];
+ }
+
+ return destinationTile;
+ }
+ }
+}
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