Merge pull request 'openingRecognition' (#28) from openingRecognition into main

Reviewed-on: #28

src/main/java/de/mannheim/th/chess/App.java

@@ -1,6 +1,9 @@
 package de.mannheim.th.chess;
 
+import java.io.IOException;
+
 import de.mannheim.th.chess.ui.MainFrame;
+import de.mannheim.th.chess.utl.OpeningRecognizer;
 
 // import org.apache.logging.log4j.LogManager;
 // import org.apache.logging.log4j.Logger;
@@ -20,8 +23,10 @@ public class App {
    * Main-Methode.
    * 
    * @param args
+ * @throws IOException 
    */
-  public static void main(String[] args) {
+  public static void main(String[] args) throws IOException {
+	OpeningRecognizer.loadOpenings();
 	new MainFrame();
   }
 }

src/main/java/de/mannheim/th/chess/domain/Game.java

@@ -109,7 +109,11 @@ public class Game {
   public void playMove(Move move) {
 	Piece removedPiece = board.getPiece(move.getTo());
 	if (removedPiece != Piece.NONE) {
+		int removedPiecesCount = removedPieces.size();
 		removedPieces.add(removedPiece);
+		if (removedPiecesCount + 1 < removedPieces.size()) {
+			removedPieces.removeLast();
+		}
 		}
     this.board.doMove(move);
     this.movelist.add(move);
@@ -173,10 +177,15 @@ public class Game {
     Move move = new Move(origin, desination);
     Piece removedPiece = board.getPiece(desination);
     if (removedPiece != Piece.NONE) {
+    	int removedPiecesCount = removedPieces.size();
     	removedPieces.add(removedPiece);
+    	if (removedPieces.size() > removedPiecesCount + 1) {
+    		removedPieces.removeLast();
+    	}
     }
     this.board.doMove(move);
     this.movelist.add(move);
+    clock.pressClock();
 
   }
 

src/main/java/de/mannheim/th/chess/ui/MainFrame.java

@@ -14,6 +14,7 @@ import javax.swing.JLabel;
 
 import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
+import java.io.IOException;
 
 import javax.swing.Box;
 import javax.swing.BoxLayout;
@@ -32,9 +33,11 @@ public class MainFrame extends JFrame {
 
   /**
    * Create the frame.
+ * @throws IOException 
    */
   public MainFrame() {
 	  
+
     setBackground(Color.LIGHT_GRAY);
     setResizable(true);
     setAlwaysOnTop(true);
@@ -117,6 +120,7 @@ public class MainFrame extends JFrame {
 
   /**
    * Starts the spielframe and game in playmode
+ * @throws IOException 
    */
   public void startGame() {
     if (this.game != null) {

src/main/java/de/mannheim/th/chess/ui/SpielFrame.java

@@ -11,6 +11,7 @@ import com.github.bhlangonijr.chesslib.Side;
 
 import de.mannheim.th.chess.domain.Game;
 import de.mannheim.th.chess.utl.Clock;
+import de.mannheim.th.chess.utl.OpeningRecognizer;
 import de.mannheim.th.chess.controller.ButtonAufgebenListener;
 import de.mannheim.th.chess.controller.ButtonFileSaverListener;
 import de.mannheim.th.chess.controller.ButtonMovePieceListener;
@@ -62,6 +63,7 @@ public class SpielFrame extends JFrame {
 	private JTextArea ausgabe, blackRemovedPieces, whiteRemovedPieces;
 	private Game game;
 	private Clock clock;
+	private String opening;
 	private ArrayList<String> anzeigeMoves = new ArrayList<String>();
 	private boolean wechsel = false;
 
@@ -76,7 +78,7 @@ public class SpielFrame extends JFrame {
 	 * Create the frame.
 	 */
 	public SpielFrame(Game game) {
-
+		opening = "unbekannte Eröffnung";
 		this.game = game;
 		this.clock = game.getClock();
 		this.clock.start();
@@ -271,6 +273,7 @@ public class SpielFrame extends JFrame {
 		}
 	}
 	
+	@Deprecated
 	public void showWin(int player) {
 		JFrame frame = new JFrame("Result");
 		frame.setDefaultCloseOperation(EXIT_ON_CLOSE);
@@ -566,7 +569,8 @@ public class SpielFrame extends JFrame {
 	public void aktualisiereAusgabe() {
 
 		StringBuilder sb = new StringBuilder();
-		sb.append("\n    Bisherige Züge:\n");
+		opening = OpeningRecognizer.compareOpening(game.getMoveList(), opening);
+		sb.append("\n    Bisherige Züge:		 " + opening + "\n");
 
 		MoveList l = game.getMoveList();
 		anzeigeMoves.add("     " + game.getUnicodeFromMove(l.getLast()) + ": " + l.getLast().toString() + "\n");
@@ -603,6 +607,7 @@ public class SpielFrame extends JFrame {
 		}
 
 		ausgabe.setText(sb.toString());
+		anzeigeMoves.removeLast();
 	}
 
 	private JPanel getUiPlayerOne() {

src/main/java/de/mannheim/th/chess/utl/OpeningRecognizer.java

@@ -0,0 +1,64 @@
+package de.mannheim.th.chess.utl;
+
+import java.io.BufferedReader;
+import java.io.FileReader;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
+import com.github.bhlangonijr.chesslib.move.MoveList;
+
+public class OpeningRecognizer {
+	private static class Opening {
+		String name;
+		String moves;
+		
+		Opening(String name, String  moves) {
+			this.name = name;
+			this.moves = moves;
+		}
+	}
+	
+	private static List<Opening> openingList = new ArrayList<>();
+	
+	public static void loadOpenings() throws IOException {
+		BufferedReader openingReader = new BufferedReader(new FileReader("src/main/resources/openings.pgn"));
+		StringBuilder openingName = new StringBuilder();
+		String moves = null;
+		String line;
+		while ((line = openingReader.readLine()) != null) {
+			if ((line.startsWith("[Site") && openingName.toString().equals("")) || line.equals("") ) {
+				continue;
+			}
+			if (line.startsWith("[Site")) {
+				openingList.add(new Opening(openingName.toString(), moves));
+				moves = null;
+				openingName.delete(0, openingName.length());
+				continue;
+			}
+			if (line.startsWith("[White")) {
+				openingName.append(line.split("\"")[1].trim());
+				continue;
+			}
+			if (line.startsWith("[Black")) {
+				openingName.append(":").append(line.split("\"")[1].trim());
+				continue;
+			}
+			moves = line;
+			
+		}
+		openingReader.close();
+	}
+	
+	public static String compareOpening(MoveList moves, String openingBefore) {
+		for (Opening o: openingList) {
+			if (o.moves.equals(moves.toSanWithMoveNumbers().trim())) {
+				return o.name;
+					
+			}
+		}
+		return openingBefore;
+		
+	}
+
+}

src/test/java/de/mannheim/th/chess/utl/OpeningRecognizerTest.java

@@ -0,0 +1,32 @@
+package de.mannheim.th.chess.utl;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+import java.io.IOException;
+
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Test;
+
+import com.github.bhlangonijr.chesslib.Square;
+import com.github.bhlangonijr.chesslib.move.Move;
+import com.github.bhlangonijr.chesslib.move.MoveList;
+
+
+
+class OpeningRecognizerTest {
+
+	@BeforeAll
+	static void prepareOpenings() throws IOException {
+		OpeningRecognizer.loadOpenings();
+	}
+	
+	@Test
+	void test() {
+		Move m = new Move(Square.E2, Square.E4);
+		MoveList moves = new MoveList();
+		moves.add(m);
+		assertEquals(OpeningRecognizer.compareOpening(moves, "Unknown"), "King's pawn Opening");
+		
+	}
+
+}