6 files changed, 436 insertions, 287 deletions
diff --git a/Pieces/Bishop.cs b/Pieces/Bishop.cs
index 10d1537..6e509ca 100644
--- a/Pieces/Bishop.cs
+++ b/Pieces/Bishop.cs
@@ -1,42 +1,42 @@
-using System;
-using System.Collections.Generic;
-using System.Drawing;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace Chess.Pieces
-{
-    class Bishop : ChessPiece
-    {
-        public Bishop(bool isWhite) : base(isWhite)
-        {
-            PieceImage = new Bitmap(!isWhite ? Chess.Properties.Resources.b_bishop_png_shadow_256px : Chess.Properties.Resources.w_bishop_png_shadow_256px);
-        }
-
-        public override bool CanMoveTo(ChessBoard board, BoardTile currentTile, BoardTile destinationTile)
-        {
-            MoveCheckResult result;
-
-            result = CanMoveDownLeft(board, currentTile, destinationTile);
-            if (result == MoveCheckResult.CanMove) return true;
-            if (result == MoveCheckResult.CantMove) return false;
-
-            result = CanMoveDownRight(board, currentTile, destinationTile);
-            if (result == MoveCheckResult.CanMove) return true;
-            if (result == MoveCheckResult.CantMove) return false;
-
-            result = CanMoveUpLeft(board, currentTile, destinationTile);
-            if (result == MoveCheckResult.CanMove) return true;
-            if (result == MoveCheckResult.CantMove) return false;
-
-            result = CanMoveUpRight(board, currentTile, destinationTile);
-            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 Bishop : ChessPiece
+    {
+        public Bishop(bool isWhite) : base(isWhite)
+        {
+            PieceImage = new Bitmap(!isWhite ? Chess.Properties.Resources.b_bishop_png_shadow_256px : Chess.Properties.Resources.w_bishop_png_shadow_256px);
+        }
+
+        public override bool CanMoveTo(ChessBoard board, BoardTile currentTile, BoardTile destinationTile)
+        {
+            MoveCheckResult result;
+
+            result = CanMoveDownLeft(board, currentTile, destinationTile);
+            if (result == MoveCheckResult.CanMove) return true;
+            if (result == MoveCheckResult.CantMove) return false;
+
+            result = CanMoveDownRight(board, currentTile, destinationTile);
+            if (result == MoveCheckResult.CanMove) return true;
+            if (result == MoveCheckResult.CantMove) return false;
+
+            result = CanMoveUpLeft(board, currentTile, destinationTile);
+            if (result == MoveCheckResult.CanMove) return true;
+            if (result == MoveCheckResult.CantMove) return false;
+
+            result = CanMoveUpRight(board, currentTile, destinationTile);
+            if (result == MoveCheckResult.CanMove) return true;
+            if (result == MoveCheckResult.CantMove) return false;
+
+            return false;
+        }
+
+       
+    }
+}
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;
+        }
+    }
+}
diff --git a/Pieces/Knight.cs b/Pieces/Knight.cs
index 5a0aea7..cd6db72 100644
--- a/Pieces/Knight.cs
+++ b/Pieces/Knight.cs
@@ -1,46 +1,46 @@
-using System;
-using System.Collections.Generic;
-using System.Drawing;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace Chess.Pieces
-{
-    class Knight : ChessPiece
-    {
-        public Knight(bool isWhite) : base(isWhite)
-        {
-            PieceImage = new Bitmap(!isWhite ? Chess.Properties.Resources.b_knight_png_shadow_256px : Chess.Properties.Resources.w_knight_png_shadow_256px);
-        }
-
-        public override bool CanMoveTo(ChessBoard board, BoardTile currentTile, BoardTile destinationTile)
-        {
-            Point[] pointsToCheck = {
-                new Point(currentTile.X - 2, currentTile.Y - 1),
-                new Point(currentTile.X - 2, currentTile.Y + 1),
-
-                new Point(currentTile.X + 2, currentTile.Y - 1),
-                new Point(currentTile.X + 2, currentTile.Y + 1),
-
-                new Point(currentTile.X + 1, currentTile.Y - 2),
-                new Point(currentTile.X - 1, currentTile.Y - 2),
-
-                new Point(currentTile.X + 1, currentTile.Y + 2),
-                new Point(currentTile.X - 1, currentTile.Y + 2),
-            };
-
-            foreach(var point in pointsToCheck)
-            {
-                if (!(destinationTile.Y == point.Y && destinationTile.X == point.X)) continue;
-
-                var enemy = board.PieceAt(point.X, point.Y);
-                if (enemy == null) return true;
-                if (enemy != null && enemy.IsWhite != this.IsWhite) return true;
-                if (enemy != null && enemy != this) continue;
-            }
-
-            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 Knight : ChessPiece
+    {
+        public Knight(bool isWhite) : base(isWhite)
+        {
+            PieceImage = new Bitmap(!isWhite ? Chess.Properties.Resources.b_knight_png_shadow_256px : Chess.Properties.Resources.w_knight_png_shadow_256px);
+        }
+
+        public override bool CanMoveTo(ChessBoard board, BoardTile currentTile, BoardTile destinationTile)
+        {
+            Point[] pointsToCheck = {
+                new Point(currentTile.X - 2, currentTile.Y - 1),
+                new Point(currentTile.X - 2, currentTile.Y + 1),
+
+                new Point(currentTile.X + 2, currentTile.Y - 1),
+                new Point(currentTile.X + 2, currentTile.Y + 1),
+
+                new Point(currentTile.X + 1, currentTile.Y - 2),
+                new Point(currentTile.X - 1, currentTile.Y - 2),
+
+                new Point(currentTile.X + 1, currentTile.Y + 2),
+                new Point(currentTile.X - 1, currentTile.Y + 2),
+            };
+
+            foreach(var point in pointsToCheck)
+            {
+                if (!(destinationTile.Y == point.Y && destinationTile.X == point.X)) continue;
+
+                var enemy = board.PieceAt(point.X, point.Y);
+                if (enemy == null) return true;
+                if (enemy != null && enemy.IsWhite != this.IsWhite) return true;
+                if (enemy != null && enemy != this) continue;
+            }
+
+            return false;
+        }
+    }
+}
diff --git a/Pieces/Pawn.cs b/Pieces/Pawn.cs
index 93be545..60ce309 100644
--- a/Pieces/Pawn.cs
+++ b/Pieces/Pawn.cs
@@ -1,42 +1,102 @@
-using System;
-using System.Collections.Generic;
-using System.Drawing;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace Chess.Pieces
-{
-    class Pawn : ChessPiece
-    {
-        private bool firstMove = true;
-
-        public Pawn(bool isWhite) : base(isWhite)
-        {
-            PieceImage = new Bitmap(!isWhite ? Chess.Properties.Resources.b_pawn_png_shadow_256px : Chess.Properties.Resources.w_pawn_png_shadow_256px);
-        }
-
-        public override bool CanMoveTo(ChessBoard board, BoardTile currentTile, BoardTile destinationTile)
-        {
-            MoveCheckResult result;
-
-            int space = 2;
-            if (!firstMove) space = 1;
-
-            if (!IsWhite)
-            {
-                result = CanMoveDown(board, currentTile, destinationTile, space);
-                if (result == MoveCheckResult.CanMove) return true;
-                if (result == MoveCheckResult.CantMove) return false;
-            }
-            else
-            {
-                result = CanMoveUp(board, currentTile, destinationTile, space);
-                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 Pawn : ChessPiece
+    {
+        private bool firstMove = true;
+
+        public Pawn(bool isWhite) : base(isWhite)
+        {
+            PieceImage = new Bitmap(!isWhite ? Chess.Properties.Resources.b_pawn_png_shadow_256px : Chess.Properties.Resources.w_pawn_png_shadow_256px);
+        }
+
+        public override void PostMovementEvent(BoardTile tile)
+        {
+            firstMove = false;
+
+            // Pawn upgrade to queen
+            if (tile.OccupyingPiece == this)
+            {
+                if ((this.IsWhite && tile.Y == 0) || (!this.IsWhite && tile.Y == 7))
+                {
+                    tile.OccupyingPiece = new Queen(this.IsWhite);
+                }
+            }
+
+            base.PostMovementEvent(tile);
+        }
+
+        internal override MoveCheckResult CanMoveDown(ChessBoard board, BoardTile currentTile, BoardTile destinationTile, int count = ChessBoard.BoardSize)
+        {
+            var result = base.CanMoveDown(board, currentTile, destinationTile, count);
+
+            if (result == MoveCheckResult.CanMove)
+            {
+                if (destinationTile.OccupyingPiece != null) result = MoveCheckResult.CantMove;
+            }
+
+            return result;
+        }
+
+        internal override MoveCheckResult CanMoveUp(ChessBoard board, BoardTile currentTile, BoardTile destinationTile, int count = ChessBoard.BoardSize)
+        {
+            var result = base.CanMoveUp(board, currentTile, destinationTile, count);
+
+            if (result == MoveCheckResult.CanMove)
+            {
+                if (destinationTile.OccupyingPiece != null) result = MoveCheckResult.CantMove;
+            }
+
+            return result;
+        }
+
+        public override bool CanMoveTo(ChessBoard board, BoardTile currentTile, BoardTile destinationTile)
+        {
+            MoveCheckResult result;
+
+            int space = 2;
+            if (!firstMove) space = 1;
+
+            if (!IsWhite)
+            {
+                result = CanMoveDown(board, currentTile, destinationTile, space);
+                if (result == MoveCheckResult.CanMove) return true;
+                if (result == MoveCheckResult.CantMove) return false;
+
+                // take left
+                result = CanMoveDownLeft(board, currentTile, destinationTile, 1);
+                if (result == MoveCheckResult.CanMove && destinationTile.OccupyingPiece != null && destinationTile.OccupyingPiece.IsWhite != IsWhite) return true;
+                if (result == MoveCheckResult.CantMove) return false;
+
+                // take right
+                result = CanMoveDownRight(board, currentTile, destinationTile, 1);
+                if (result == MoveCheckResult.CanMove && destinationTile.OccupyingPiece != null && destinationTile.OccupyingPiece.IsWhite != IsWhite) return true;
+                if (result == MoveCheckResult.CantMove) return false;
+            }
+            else
+            {
+                result = CanMoveUp(board, currentTile, destinationTile, space);
+                if (result == MoveCheckResult.CanMove) return true;
+                if (result == MoveCheckResult.CantMove) return false;
+
+                // take left
+                result = CanMoveUpLeft(board, currentTile, destinationTile, 1);
+                if (result == MoveCheckResult.CanMove && destinationTile.OccupyingPiece != null && destinationTile.OccupyingPiece.IsWhite != IsWhite) return true;
+                if (result == MoveCheckResult.CantMove) return false;
+
+                // take right
+                result = CanMoveUpRight(board, currentTile, destinationTile, 1);
+                if (result == MoveCheckResult.CanMove && destinationTile.OccupyingPiece != null && destinationTile.OccupyingPiece.IsWhite != IsWhite) return true;
+                if (result == MoveCheckResult.CantMove) return false;
+            }
+
+            return false;
+        }  
+    }
+}
diff --git a/Pieces/Queen.cs b/Pieces/Queen.cs
index 42998c4..6b1fb0b 100644
--- a/Pieces/Queen.cs
+++ b/Pieces/Queen.cs
@@ -1,59 +1,59 @@
-using System;
-using System.Collections.Generic;
-using System.Drawing;
-using System.Linq;
-using System.Runtime.InteropServices.WindowsRuntime;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace Chess.Pieces
-{
-    class Queen : ChessPiece
-    {
-        public Queen(bool isWhite) : base(isWhite)
-        {
-            PieceImage = new Bitmap(!isWhite ? Chess.Properties.Resources.b_queen_png_shadow_256px : Chess.Properties.Resources.w_queen_png_shadow_256px);
-        }
-
-        public override bool CanMoveTo(ChessBoard board, BoardTile currentTile, BoardTile destinationTile)
-        {
-            MoveCheckResult result;
-
-            result = CanMoveDown(board, currentTile, destinationTile);
-            if (result == MoveCheckResult.CanMove) return true;
-            if (result == MoveCheckResult.CantMove) return false;
-
-            result = CanMoveUp(board, currentTile, destinationTile);
-            if (result == MoveCheckResult.CanMove) return true;
-            if (result == MoveCheckResult.CantMove) return false;
-
-            result = CanMoveLeft(board, currentTile, destinationTile);
-            if (result == MoveCheckResult.CanMove) return true;
-            if (result == MoveCheckResult.CantMove) return false;
-
-            result = CanMoveRight(board, currentTile, destinationTile);
-            if (result == MoveCheckResult.CanMove) return true;
-            if (result == MoveCheckResult.CantMove) return false;
-
-            // diagonal 
-
-            result = CanMoveDownLeft(board, currentTile, destinationTile);
-            if (result == MoveCheckResult.CanMove) return true;
-            if (result == MoveCheckResult.CantMove) return false;
-
-            result = CanMoveDownRight(board, currentTile, destinationTile);
-            if (result == MoveCheckResult.CanMove) return true;
-            if (result == MoveCheckResult.CantMove) return false;
-
-            result = CanMoveUpLeft(board, currentTile, destinationTile);
-            if (result == MoveCheckResult.CanMove) return true;
-            if (result == MoveCheckResult.CantMove) return false;
-
-            result = CanMoveUpRight(board, currentTile, destinationTile);
-            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.Runtime.InteropServices.WindowsRuntime;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Chess.Pieces
+{
+    class Queen : ChessPiece
+    {
+        public Queen(bool isWhite) : base(isWhite)
+        {
+            PieceImage = new Bitmap(!isWhite ? Chess.Properties.Resources.b_queen_png_shadow_256px : Chess.Properties.Resources.w_queen_png_shadow_256px);
+        }
+
+        public override bool CanMoveTo(ChessBoard board, BoardTile currentTile, BoardTile destinationTile)
+        {
+            MoveCheckResult result;
+
+            result = CanMoveDown(board, currentTile, destinationTile);
+            if (result == MoveCheckResult.CanMove) return true;
+            if (result == MoveCheckResult.CantMove) return false;
+
+            result = CanMoveUp(board, currentTile, destinationTile);
+            if (result == MoveCheckResult.CanMove) return true;
+            if (result == MoveCheckResult.CantMove) return false;
+
+            result = CanMoveLeft(board, currentTile, destinationTile);
+            if (result == MoveCheckResult.CanMove) return true;
+            if (result == MoveCheckResult.CantMove) return false;
+
+            result = CanMoveRight(board, currentTile, destinationTile);
+            if (result == MoveCheckResult.CanMove) return true;
+            if (result == MoveCheckResult.CantMove) return false;
+
+            // diagonal 
+
+            result = CanMoveDownLeft(board, currentTile, destinationTile);
+            if (result == MoveCheckResult.CanMove) return true;
+            if (result == MoveCheckResult.CantMove) return false;
+
+            result = CanMoveDownRight(board, currentTile, destinationTile);
+            if (result == MoveCheckResult.CanMove) return true;
+            if (result == MoveCheckResult.CantMove) return false;
+
+            result = CanMoveUpLeft(board, currentTile, destinationTile);
+            if (result == MoveCheckResult.CanMove) return true;
+            if (result == MoveCheckResult.CantMove) return false;
+
+            result = CanMoveUpRight(board, currentTile, destinationTile);
+            if (result == MoveCheckResult.CanMove) return true;
+            if (result == MoveCheckResult.CantMove) return false;
+
+            return false;
+        }
+    }
+}
diff --git a/Pieces/Rook.cs b/Pieces/Rook.cs
index 29c17c0..b6a0422 100644
--- a/Pieces/Rook.cs
+++ b/Pieces/Rook.cs
@@ -1,40 +1,64 @@
-using System;
-using System.Collections.Generic;
-using System.Drawing;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace Chess.Pieces
-{
-    class Rook : ChessPiece
-    {
-        public Rook(bool isWhite) : base(isWhite)
-        {
-            PieceImage = new Bitmap(!isWhite ? Chess.Properties.Resources.b_rook_png_shadow_256px : Chess.Properties.Resources.w_rook_png_shadow_256px);
-        }
-
-        public override bool CanMoveTo(ChessBoard board, BoardTile currentTile, BoardTile destinationTile)
-        {
-            MoveCheckResult result;
-
-            result = CanMoveDown(board, currentTile, destinationTile);
-            if (result == MoveCheckResult.CanMove) return true;
-            if (result == MoveCheckResult.CantMove) return false;
-
-            result = CanMoveUp(board, currentTile, destinationTile);
-            if (result == MoveCheckResult.CanMove) return true;
-            if (result == MoveCheckResult.CantMove) return false;
-
-            result = CanMoveLeft(board, currentTile, destinationTile);
-            if (result == MoveCheckResult.CanMove) return true;
-            if (result == MoveCheckResult.CantMove) return false;
-
-            result = CanMoveRight(board, currentTile, destinationTile);
-            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 Rook : ChessPiece
+    {
+        public bool IsInInitialPosition { get; private set; }
+
+        public Rook(bool isWhite) : base(isWhite)
+        {
+            PieceImage = new Bitmap(!isWhite ? Chess.Properties.Resources.b_rook_png_shadow_256px : Chess.Properties.Resources.w_rook_png_shadow_256px);
+            IsInInitialPosition = true;
+        }
+
+        public override void PostMovementEvent(BoardTile tile)
+        {
+            this.IsInInitialPosition = false;
+
+            base.PostMovementEvent(tile);
+        }
+
+        public override bool CanMoveTo(ChessBoard board, BoardTile currentTile, BoardTile destinationTile)
+        {
+            MoveCheckResult result;
+
+            result = CanMoveDown(board, currentTile, destinationTile);
+            if (result == MoveCheckResult.CanMove) return true;
+            if (result == MoveCheckResult.CantMove) return false;
+
+            result = CanMoveUp(board, currentTile, destinationTile);
+            if (result == MoveCheckResult.CanMove) return true;
+            if (result == MoveCheckResult.CantMove) return false;
+
+            result = CanMoveLeft(board, currentTile, destinationTile);
+            if (result == MoveCheckResult.CanMove) return true;
+            if (result == MoveCheckResult.CantMove) return false;
+
+            result = CanMoveRight(board, currentTile, destinationTile);
+            if (result == MoveCheckResult.CanMove) return true;
+            if (result == MoveCheckResult.CantMove) return false;
+
+            return false;
+        }
+
+        internal BoardTile GetCastleLocation(ChessBoard board, BoardTile tile)
+        {
+            if (tile.X == 0)
+            {
+                return board.Tiles[tile.Y, tile.X + 3];
+            }
+            else if (tile.X == 7)
+            {
+                return board.Tiles[tile.Y, tile.X - 2];
+            }
+
+            return tile;
+        }
+    }
+}