improved the highlight thingy. the enpassant needs reviewing

src/backend/MoveHighlighter.java

@@ -7,10 +7,12 @@ public class MoveHighlighter {
 		ArrayList<int[]> validMoves = new ArrayList<int[]>();
 		MovePiece movement = new MovePiece(piece, board);
 		PieceType type= piece.getType();
+		
 		//looping through each square space
 		for (int x = 0; x < board.getWidth(); x++) {
 		    for (int y = 0; y < board.getHeight(); y++) {
 				boolean valid=false;
+				System.out.println("MoveHighlighter: checking (" + x + "," + y + ") for type " + type);
 
 				if(type==PieceType.Pawn) {
 					valid=movement.movePawnSimulate(x, y);

src/backend/MovePiece.java

@@ -199,7 +199,7 @@ public class MovePiece {
            int stepY = (targetY > currentY) ? 1 : -1;
            int x = currentX + stepX;
            int y = currentY + stepY;
-           while (x != targetX && y != targetY) {
+           while (x != targetX) {
                if (board.getPiece(x, y) != null) {
                    return false;
                }