legal moves now get highlighted in red

app/src/main/java/org/toop/app/canvas/GameCanvas.java

@@ -104,6 +104,7 @@ public abstract class GameCanvas {
 
 		graphics.setFill(color);
 		graphics.fillOval(x, y, width, height);
+        IO.println("gothere");
 	}
 
 	public void resize(int width, int height) {

app/src/main/java/org/toop/app/canvas/ReversiCanvas.java

@@ -22,13 +22,14 @@ public class ReversiCanvas extends GameCanvas{
     public void drawLegalMoves(Game.Move[] moves){
         mostRecentLegalMoves = moves;
         for(Game.Move move : moves){
-            drawDot(Color.RED,move.position());
+            IO.println("Legal Moves:" + move.position());
+            drawDot(new Color(1f,0,0,0.25f),move.position());
         }
     }
     public void removeLegalMoves(){
         if (mostRecentLegalMoves != null){
             for(Game.Move move : mostRecentLegalMoves){
-                drawDot(Color.GRAY,move.position()); //todo get current background color
+                drawDot(Color.GRAY,move.position()); //todo get current background color or make this redraw the entire board
             }
         }
         mostRecentLegalMoves = null;

app/src/main/java/org/toop/app/layer/layers/game/ReversiLayer.java

@@ -26,6 +26,7 @@ public class ReversiLayer extends Layer{
 
 
         reload();
+        canvas.drawLegalMoves(reversi.getLegalMoves());
     }
 
     @Override

game/src/main/java/org/toop/game/reversi/Reversi.java

@@ -4,10 +4,16 @@ import org.toop.game.Game;
 import org.toop.game.TurnBasedGame;
 import org.toop.game.tictactoe.TicTacToe;
 
+import java.awt.*;
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.Set;
+
+
 public final class Reversi extends TurnBasedGame {
     private int movesTaken;
     public static final char FIRST_MOVE = 'B';
-
+    private Set<Point> filledCells = new HashSet<Point>();
 
 	public Reversi() {
 		super(8, 8, 2);
@@ -17,6 +23,7 @@ public final class Reversi extends TurnBasedGame {
     public Reversi(Reversi other) {
         super(other);
         this.movesTaken = other.movesTaken;
+        this.filledCells = other.filledCells;
     }
 
 
@@ -25,18 +32,99 @@ public final class Reversi extends TurnBasedGame {
         board[28] = 'B';
         board[35] = 'B';
         board[36] = 'W';
-
+        updateFilledCellsSet();
+    }
+    private void updateFilledCellsSet() {
+        for (int i = 0; i < 64; i++) {
+            if (board[i] == 'W' || board[i] == 'B') {
+                filledCells.add(new Point(i / 8, i % 8));
+            }
+        }
     }
 
 	@Override
 	public Move[] getLegalMoves() {
+        final ArrayList<Move> legalMoves = new ArrayList<>();
         char[][] boardGrid = makeBoardAGrid();
-		if(currentTurn == 1){
+        char currentPlayer = (currentTurn==0) ? 'B' : 'W';
-
+        Set<Point> adjCell = getAdjacentCells(boardGrid);
+        for (Point point : adjCell){
+            int score = getScoreForPotentialMove(point,boardGrid,currentPlayer);
+            if (score > 0){
+                legalMoves.add(new Move(point.x + point.y * 8, currentPlayer));
+            }
         }
-        return new Move[0];
+        return legalMoves.toArray(new Move[0]);
 	}
 
+    private Set<Point> getAdjacentCells(char[][] boardGrid) {
+        Set<Point> possibleCells = new HashSet<>();
+        for (Point point : filledCells) {                                           //for every filled cell
+            for (int deltaColumn = -1; deltaColumn <= 1; deltaColumn++){            //check adjacent cells
+                for (int deltaRow = -1; deltaRow <= 1; deltaRow++){                 //orthogonally and diagonally
+                    int newX =  point.x + deltaColumn, newY =  point.y + deltaRow;
+                    if (deltaColumn == 0 || deltaRow == 0                           //continue if out of bounds
+                    || !isOnBoard(newX, newY)) {
+                        continue;
+                    }
+                    if (boardGrid[newX][newY] == Game.EMPTY) {                      //check if the cell is empty
+                        possibleCells.add(new Point(newX, newY));                   //and then add it to the set of possible moves
+                    }
+                }
+            }
+        }
+        return possibleCells;
+    }
+
+    public int getScoreForPotentialMove(Point point, char[][] boardGrid, char currentPlayer) {
+        int score = 0;
+        for (int deltaColumn = -1; deltaColumn <= 1; deltaColumn++) {
+            for (int deltaRow = -1; deltaRow <= 1; deltaRow++) {
+                if (deltaColumn == 0 && deltaRow == 0){
+                    continue;
+                }
+                score += getScoreInDirection(point,boardGrid,currentPlayer,deltaColumn,deltaRow);
+            }
+        }
+        return score;
+    }
+
+    private int getScoreInDirection(Point point, char[][] boardGrid, char currentPlayer, int dirX, int dirY) {
+        char opponent = getOpponent(currentPlayer);
+        int x = point.x + dirX;
+        int y = point.y + dirY;
+
+        int count = 0;
+        if (!isOnBoard(x, y) || boardGrid[y][x] != opponent) {
+            return 0;
+        }
+
+        while (isOnBoard(x, y) && boardGrid[y][x] == opponent) {
+            count++;
+            x += dirX;
+            y += dirY;
+        }
+
+        if (isOnBoard(x, y) && boardGrid[y][x] == currentPlayer) {
+            return count;
+        }
+
+        return 0;
+    }
+
+    private boolean isOnBoard(int x, int y) {
+        return x >= 0 && x < 8 && y >= 0 && y < 8;
+    }
+
+    private char getOpponent(char currentPlayer){
+        if (currentPlayer == 'B') {
+            return 'W';
+        }
+        else {
+            return 'B';
+        }
+    }
+
     public char[][] makeBoardAGrid() {
         char[][] boardGrid = new char[8][8];
         for (int i = 0; i < 64; i++) {
@@ -46,9 +134,15 @@ public final class Reversi extends TurnBasedGame {
     }
     @Override
     public State play(Move move) {
+        filledCells.add(new Point(move.position() / 8, move.position() % 8));
+        nextTurn();
         return null;
     }
 
+    public void skipMyTurn(){
+        nextTurn();
+    }
+
     public char getCurrentPlayer() {
         if (currentTurn == 0){
             return 'B';