usertouch

OOP_1A2_Project/src/backend/Board.java

@@ -103,12 +103,58 @@ public class Board {
 	    }
 	    return result;
 	}
+	private Piece getPieceAt(int x, int y) {
+	    for (Piece p : pieces) {
+	        if (p.getX() == x && p.getY() == y) {
+	            return p;
+	        }
+	    }
+	    return null;
+	}
+
+	private Integer selectedX = null;
+	private Integer selectedY = null;
 
 	public void userTouch(int x, int y) {
-		//TODO
-		
+	    Piece clickedPiece = getPieceAt(x, y);
+
+	    if (selectedX == null || selectedY == null) {
+	        // No piece selected yet
+	        if (clickedPiece != null && clickedPiece.isWhite() == isWhiteTurn) {
+	            selectedX = x;
+	            selectedY = y;
+	        }
+	    } else {
+	        if (selectedX == x && selectedY == y) {
+	            // Unselection
+	            selectedX = null;
+	            selectedY = null;
+	        } else {
+	            // Attempt to move
+	            Piece selectedPiece = getPieceAt(selectedX, selectedY);
+	            if (selectedPiece != null) {
+	                // Remove captured piece (if any)
+	                Piece toRemove = getPieceAt(x, y);
+	                if (toRemove != null && toRemove.isWhite() != isWhiteTurn) {
+	                    pieces.remove(toRemove);
+	                }
+
+	                // Move piece
+	                selectedPiece.moveTo(x, y);
+
+	                // Advance turn
+	                turnNumber++;
+	                isWhiteTurn = !isWhiteTurn;
+
+	                // Unselect
+	                selectedX = null;
+	                selectedY = null;
+	            }
+	        }
+	    }
 	}
 
+
 	public boolean isSelected(int x, int y) {
 		//TODO
 		return false;

OOP_1A2_Project/src/backend/Piece.java

@@ -28,4 +28,8 @@ public class Piece {
     public boolean isWhite() {
         return isWhite; // Returns true if the piece is white, false if black
     }
+    public void moveTo(int x, int y) {
+        this.x = x;
+        this.y = y;
+    }
 }