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Add missing Javadoc

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This commit is contained in:
Kai S. K. Engelbart
2020-01-19 22:12:33 +01:00
parent f4768b7ac3
commit 2333021bba
51 changed files with 1048 additions and 371 deletions
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8
src/dev/kske/chess/board/Bishop.java
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@@ -7,12 +7,18 @@ import java.util.List;
* Project: <strong>Chess</strong><br>
* File: <strong>Bishop.java</strong><br>
* Created: <strong>01.07.2019</strong><br>
*
*
* @since Chess v0.1-alpha
* @author Kai S. K. Engelbart
*/
public class Bishop extends Piece {
/**
* Creates bishop {@link Piece}.
*
* @param color the color of this bishop
* @param board the board on which this bishop will be placed
*/
public Bishop(Color color, Board board) {
super(color, board);
}

68
src/dev/kske/chess/board/Board.java
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@@ -1,11 +1,6 @@
package dev.kske.chess.board;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.*;
import dev.kske.chess.board.Piece.Color;
import dev.kske.chess.event.EventBus;
@@ -65,18 +60,17 @@ public class Board {
public boolean attemptMove(Move move) {
Piece piece = getPos(move);
if (piece == null || !piece.isValidMove(move)) return false;
else {
// Move piece
move(move);
// Revert move if it caused a check for its team
if (checkCheck(piece.getColor())) {
revert();
return false;
}
// Move piece
move(move);
return true;
// Revert move if it caused a check for its team
if (checkCheck(piece.getColor())) {
revert();
return false;
}
return true;
}
/**
@@ -122,6 +116,10 @@ public class Board {
log.removeLast();
}
/**
* Reverts the last move without removing it from the log. After that, a
* {@link MoveEvent} is dispatched containing the inverse of the reverted move.
*/
public void selectPreviousNode() {
MoveNode moveNode = log.getLast();
Move move = moveNode.move;
@@ -133,9 +131,15 @@ public class Board {
log.selectPreviousNode();
// Dispatch move event
EventBus.getInstance().dispatch(new MoveEvent(move.invert(), getGameEventType(log.getActiveColor().opposite())));
EventBus.getInstance().dispatch(new MoveEvent(move.invert(), getState(log.getActiveColor().opposite())));
}
/**
* Applies the next move stored in the log. After that, a {@link MoveEvent} is
* dispatched.
*
* @param index the variation index of the move to select
*/
public void selectNextNode(int index) {
log.selectNextNode(index);
MoveNode moveNode = log.getLast();
@@ -145,7 +149,7 @@ public class Board {
move.execute(this);
// Dispatch move event
EventBus.getInstance().dispatch(new MoveEvent(move, getGameEventType(log.getActiveColor().opposite())));
EventBus.getInstance().dispatch(new MoveEvent(move, getState(log.getActiveColor().opposite())));
}
/**
@@ -162,6 +166,12 @@ public class Board {
return moves;
}
/**
* Delegate method for {@link Piece#getMoves(Position)}.
*
* @param pos the position of the piece to invoke the method on
* @return a list of legal moves generated for the piece
*/
public List<Move> getMoves(Position pos) { return get(pos).getMoves(pos); }
/**
@@ -198,18 +208,24 @@ public class Board {
public boolean checkCheckmate(Color color) {
// Return false immediately if the king can move
if (!getMoves(kingPos.get(color)).isEmpty()) return false;
else {
for (Move move : getMoves(color)) {
move(move);
boolean check = checkCheck(color);
revert();
if (!check) return false;
}
return true;
for (Move move : getMoves(color)) {
move(move);
boolean check = checkCheck(color);
revert();
if (!check) return false;
}
return true;
}
public BoardState getGameEventType(Color color) {
/**
* Checks whether the a check, checkmate, stalemate of none of the above is
* currently present.
*
* @param color the color to evaluate the board for
* @return the current {@link BoardState}
*/
public BoardState getState(Color color) {
return checkCheck(color) ? checkCheckmate(color) ? BoardState.CHECKMATE : BoardState.CHECK
: getMoves(color).isEmpty() || log.getLast().halfmoveClock >= 50 ? BoardState.STALEMATE : BoardState.NORMAL;
}

3
src/dev/kske/chess/board/BoardState.java
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@@ -4,10 +4,11 @@ package dev.kske.chess.board;
* Project: <strong>Chess</strong><br>
* File: <strong>BoardState.java</strong><br>
* Created: <strong>07.07.2019</strong><br>
*
*
* @since Chess v0.1-alpha
* @author Kai S. K. Engelbart
*/
@SuppressWarnings("javadoc")
public enum BoardState {
CHECK, CHECKMATE, STALEMATE, NORMAL;
}

14
src/dev/kske/chess/board/Castling.java
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@@ -12,11 +12,25 @@ public class Castling extends Move {
private final Move rookMove;
/**
* Creates a castling move.
*
* @param pos the position of this castling move
* @param dest the destination of this castling move
*/
public Castling(Position pos, Position dest) {
super(pos, dest);
rookMove = dest.x == 6 ? new Move(7, pos.y, 5, pos.y) : new Move(0, pos.y, 3, pos.y);
}
/**
* Creates a castling move.
*
* @param xPos the horizontal position of this castling move
* @param yPos the vertical position of this castling move
* @param xDest the horizontal destination of this castling move
* @param yDest the vertical destination of this castling move
*/
public Castling(int xPos, int yPos, int xDest, int yDest) { this(new Position(xPos, yPos), new Position(xDest, yDest)); }
@Override

19
src/dev/kske/chess/board/EnPassant.java
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@@ -4,7 +4,7 @@ package dev.kske.chess.board;
* Project: <strong>Chess</strong><br>
* File: <strong>EnPassant.java</strong><br>
* Created: <strong>2 Nov 2019</strong><br>
*
*
* @since Chess v0.5-alpha
* @author Kai S. K. Engelbart
*/
@@ -12,11 +12,25 @@ public class EnPassant extends Move {
private final Position capturePos;
/**
* Initializes an en passant move.
*
* @param pos the position of this move
* @param dest the destination of this move
*/
public EnPassant(Position pos, Position dest) {
super(pos, dest);
capturePos = new Position(dest.x, dest.y - ySign);
}
/**
* Initializes an en passant move.
*
* @param xPos the horizontal position of this move
* @param yPos the vertical position of this move
* @param xDest the horizontal destination of this move
* @param yDest the vertical destination of this move
*/
public EnPassant(int xPos, int yPos, int xDest, int yDest) { this(new Position(xPos, yPos), new Position(xDest, yDest)); }
@Override
@@ -31,5 +45,8 @@ public class EnPassant extends Move {
board.set(capturePos, new Pawn(board.get(pos).getColor().opposite(), board));
}
/**
* @return the position of the piece captures by this move
*/
public Position getCapturePos() { return capturePos; }
}

2
src/dev/kske/chess/board/FENString.java
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@@ -44,7 +44,7 @@ public class FENString {
* Constructs a {@link FENString} by parsing an existing string.
*
* @param fen the FEN string to parse
* @throws ChessException
* @throws ChessException if the FEN string contains invalid syntax
*/
public FENString(String fen) throws ChessException {
// Check fen string against regex

14
src/dev/kske/chess/board/King.java
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@@ -7,12 +7,18 @@ import java.util.List;
* Project: <strong>Chess</strong><br>
* File: <strong>King.java</strong><br>
* Created: <strong>01.07.2019</strong><br>
*
*
* @since Chess v0.1-alpha
* @author Kai S. K. Engelbart
*/
public class King extends Piece {
/**
* Creates king {@link Piece}.
*
* @param color the color of this king
* @param board the board on which this king will be placed
*/
public King(Color color, Board board) { super(color, board); }
@Override
@@ -47,7 +53,8 @@ public class King extends Piece {
Position kingDest = new Position(6, y);
Position rookPos = new Position(7, y);
return canCastle(kingPos, kingDest, rookPos, jumpPos);
} else return false;
}
return false;
}
private boolean canCastleQueenside() {
@@ -58,7 +65,8 @@ public class King extends Piece {
Position freeDest = new Position(1, y);
Position rookPos = new Position(0, y);
return canCastle(kingPos, freeDest, rookPos, jumpPos);
} else return false;
}
return false;
}
private boolean canCastle(Position kingPos, Position freeDest, Position rookPos, Position jumpPos) {

8
src/dev/kske/chess/board/Knight.java
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@@ -7,12 +7,18 @@ import java.util.List;
* Project: <strong>Chess</strong><br>
* File: <strong>Knight.java</strong><br>
* Created: <strong>01.07.2019</strong><br>
*
*
* @since Chess v0.1-alpha
* @author Kai S. K. Engelbart
*/
public class Knight extends Piece {
/**
* Creates knight {@link Piece}.
*
* @param color the color of this knight
* @param board the board on which this knight will be placed
*/
public Knight(Color color, Board board) {
super(color, board);
}

47
src/dev/kske/chess/board/Log.java
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@@ -5,8 +5,11 @@ import java.util.Iterator;
import java.util.Objects;
import dev.kske.chess.board.Piece.Color;
import dev.kske.chess.game.Game;
/**
* Manages the move history of a {@link Game}.<br>
* <br>
* Project: <strong>Chess</strong><br>
* File: <strong>Log.java</strong><br>
* Created: <strong>09.07.2019</strong><br>
@@ -23,6 +26,9 @@ public class Log implements Iterable<MoveNode> {
private Position enPassant;
private int fullmoveNumber, halfmoveClock;
/**
* Creates an instance of {@link Log} in the default state.
*/
public Log() { reset(); }
/**
@@ -230,23 +236,64 @@ public class Log implements Iterable<MoveNode> {
*/
public MoveNode getLast() { return current; }
/**
* @return the castling rights present during the current move
*/
public boolean[] getCastlingRights() { return castlingRights; }
/**
* Sets the castling rights present during the current move.
*
* @param castlingRights the castling rights to set
*/
public void setCastlingRights(boolean[] castlingRights) { this.castlingRights = castlingRights; }
/**
* @return the en passant target position of the current move or {@code null} if
* the current move is not an en passant move.
*/
public Position getEnPassant() { return enPassant; }
/**
* Sets the en passant target position.
*
* @param enPassant the en passant target position to set
*/
public void setEnPassant(Position enPassant) { this.enPassant = enPassant; }
/**
* @return the color active during the current move
*/
public Color getActiveColor() { return activeColor; }
/**
* Sets the color active during the current move.
*
* @param activeColor the active color to set
*/
public void setActiveColor(Color activeColor) { this.activeColor = activeColor; }
/**
* @return the number of moves made until the current move
*/
public int getFullmoveNumber() { return fullmoveNumber; }
/**
* Sets the number of moves made until the current move.
*
* @param fullmoveNumber the fullmove number to set
*/
public void setFullmoveNumber(int fullmoveNumber) { this.fullmoveNumber = fullmoveNumber; }
/**
* @return the number of halfmoves since the last capture move or pawn move
*/
public int getHalfmoveClock() { return halfmoveClock; }
/**
* Sets then number of halfmoves since the last capture move or pawn move
*
* @param halfmoveClock the halfmove clock to set
*/
public void setHalfmoveClock(int halfmoveClock) { this.halfmoveClock = halfmoveClock; }
}

89
src/dev/kske/chess/board/Move.java
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@@ -21,6 +21,12 @@ public class Move {
protected final Position pos, dest;
protected final int xDist, yDist, xSign, ySign;
/**
* Creates an instance of {@link Move}.
*
* @param pos the position of this move
* @param dest the destination of this move
*/
public Move(Position pos, Position dest) {
this.pos = pos;
this.dest = dest;
@@ -30,24 +36,53 @@ public class Move {
ySign = (int) Math.signum(dest.y - pos.y);
}
/**
* Creates an instance of {@link Move}.
*
* @param xPos the horizontal position of this move
* @param yPos the vertical position of this move
* @param xDest the horizontal destination of this move
* @param yDest the vertical destination of this move
*/
public Move(int xPos, int yPos, int xDest, int yDest) { this(new Position(xPos, yPos), new Position(xDest, yDest)); }
/**
* Executed this move on a board.
*
* @param board the board to execute this move on.
*/
public void execute(Board board) {
// Move the piece to the move's destination square and clean the old position
board.set(dest, board.get(pos));
board.set(pos, null);
}
/**
* Reverts this move on a board.
*
* @param board the board to revert this move on
* @param capturedPiece the piece to place at the destination of this move (used
* for reinstating captured pieces)
*/
public void revert(Board board, Piece capturedPiece) {
// Move the piece to the move's position square and clean the destination
board.set(pos, board.get(dest));
board.set(dest, capturedPiece);
}
public Move invert() {
return new Move(dest, pos);
}
/**
* @return a new move containing this move's destination as its position and
* this move's position as its destination
*/
public Move invert() { return new Move(dest, pos); }
/**
* Constructs a move from a string representation in Long Algebraic Notation
* (LAN).
*
* @param move the LAN string to construct the move from
* @return the constructed move
*/
public static Move fromLAN(String move) {
Position pos = Position.fromLAN(move.substring(0, 2));
Position dest = Position.fromLAN(move.substring(2));
@@ -58,9 +93,16 @@ public class Move {
e.printStackTrace();
return null;
}
} else return new Move(pos, dest);
}
return new Move(pos, dest);
}
/**
* Generates a string representation of this move in Long Algebraic Notation
* (LAN).
*
* @return the LAN string
*/
public String toLAN() { return getPos().toLAN() + getDest().toLAN(); }
/**
@@ -151,13 +193,19 @@ public class Move {
return null;
}
/**
* Generates a string representation of this move in Standard Algebraic Notation
* (SAN).
*
* @param board the {@link Board} providing the context of this move
* @return the SAN string
*/
public String toSAN(Board board) {
final Piece piece = board.get(pos);
StringBuilder sb = new StringBuilder(8);
// Piece symbol
if(!(piece instanceof Pawn))
sb.append(Character.toUpperCase(piece.firstChar()));
if (!(piece instanceof Pawn)) sb.append(Character.toUpperCase(piece.firstChar()));
// Position
// TODO: Deconstruct position into optional file or rank
@@ -173,10 +221,19 @@ public class Move {
return sb.toString();
}
/**
* @return {@code true} if the move is purely horizontal
*/
public boolean isHorizontal() { return getyDist() == 0; }
/**
* @return {@code true} if the move is purely vertical
*/
public boolean isVertical() { return getxDist() == 0; }
/**
* @return {@code true} if the move is diagonal
*/
public boolean isDiagonal() { return getxDist() == getyDist(); }
@Override
@@ -195,15 +252,33 @@ public class Move {
&& getxSign() == other.getxSign() && getyDist() == other.getyDist() && getySign() == other.getySign();
}
/**
* @return the position
*/
public Position getPos() { return pos; }
/**
* @return the destination
*/
public Position getDest() { return dest; }
/**
* @return the x distance
*/
public int getxDist() { return xDist; }
/**
* @return the y distance
*/
public int getyDist() { return yDist; }
/**
* @return the sign of the x distance
*/
public int getxSign() { return xSign; }
/**
* @return the sign of the y distance
*/
public int getySign() { return ySign; }
}

116
src/dev/kske/chess/board/MoveNode.java
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@@ -1,9 +1,6 @@
package dev.kske.chess.board;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Objects;
import java.util.*;
import dev.kske.chess.board.Piece.Color;
@@ -17,14 +14,61 @@ import dev.kske.chess.board.Piece.Color;
*/
public class MoveNode {
public static final int WHITE_KINGSIDE = 0, WHITE_QUEENSIDE = 1, BLACK_KINGSIDE = 2, BLACK_QUEENSIDE = 3;
/**
* The index of the white kingside casting in a casting rights array.
*/
public static final int WHITE_KINGSIDE = 0;
public final Move move;
public final Piece capturedPiece;
public final boolean[] castlingRights;
public final Position enPassant;
public final Color activeColor;
public final int fullmoveCounter, halfmoveClock;
/**
* The index of the white queenside castling in a castling rights array.
*/
public static final int WHITE_QUEENSIDE = 1;
/**
* The index of the white kingside casting in a casting rights array.
*/
public static final int BLACK_KINGSIDE = 2;
/**
* The index of the white queenside castling in a castling rights array.
*/
public static final int BLACK_QUEENSIDE = 3;
/**
* The move on the board associated with this move node.
*/
public final Move move;
/**
* The piece captured by the move.
*/
public final Piece capturedPiece;
/**
* The castling rights present during the move.
*/
public final boolean[] castlingRights;
/**
* The en passant target position or {@code null} if the move is not an en
* passant move.
*/
public final Position enPassant;
/**
* The color active during the move.
*/
public final Color activeColor;
/**
* The number of moves performed since the beginning of the game.
*/
public final int fullmoveCounter;
/**
* The halfmoves performed since the last capture move or pawn move.
*/
public final int halfmoveClock;
private MoveNode parent;
private List<MoveNode> variations;
@@ -32,16 +76,18 @@ public class MoveNode {
/**
* Creates a new {@link MoveNode}.
*
* @param move The logged {@link Move}
* @param capturedPiece The {@link Piece} captures by the logged {@link Move}
* @param enPassant The en passant {@link Position} valid after the logged
* @param move the logged {@link Move}
* @param capturedPiece the {@link Piece} captures by the logged {@link Move}
* @param castlingRights the castling rights present during the move
* @param enPassant the en passant {@link Position} valid after the logged
* {@link Move}, or {@code null} if there is none
* @param activeColor The {@link Color} active after the logged {@link Move}
* @param fullmoveCounter
* @param halfmoveClock
* @param activeColor the {@link Color} active after the logged {@link Move}
* @param fullmoveCounter the number of moves made until the current move
* @param halfmoveClock the number of halfmoves since the last capture move or
* pawn move
*/
public MoveNode(Move move, Piece capturedPiece, boolean castlingRights[], Position enPassant, Color activeColor,
int fullmoveCounter, int halfmoveClock) {
public MoveNode(Move move, Piece capturedPiece, boolean castlingRights[], Position enPassant, Color activeColor, int fullmoveCounter,
int halfmoveClock) {
this.move = move;
this.capturedPiece = capturedPiece;
this.castlingRights = castlingRights;
@@ -60,8 +106,8 @@ public class MoveNode {
* considers subsequent variations
*/
public MoveNode(MoveNode other, boolean copyVariations) {
this(other.move, other.capturedPiece, other.castlingRights.clone(), other.enPassant, other.activeColor,
other.fullmoveCounter, other.halfmoveClock);
this(other.move, other.capturedPiece, other.castlingRights.clone(), other.enPassant, other.activeColor, other.fullmoveCounter,
other.halfmoveClock);
if (copyVariations && other.variations != null) {
if (variations == null) variations = new ArrayList<>();
for (MoveNode variation : other.variations) {
@@ -90,25 +136,34 @@ public class MoveNode {
*/
public List<MoveNode> getVariations() { return variations; }
public boolean hasVariations() {
return variations != null && variations.size() > 0;
}
/**
* @return {@code true} if this move node has any variations
*/
public boolean hasVariations() { return variations != null && variations.size() > 0; }
/**
* @return the parent node of this move node
*/
public MoveNode getParent() { return parent; }
/**
* Sets the parent node of this move node
*
* @param parent the parent node to set
*/
public void setParent(MoveNode parent) { this.parent = parent; }
public boolean hasParent() {
return parent != null;
}
/**
* @return {@code true} if this move node has a parent
*/
public boolean hasParent() { return parent != null; }
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + Arrays.hashCode(castlingRights);
result = prime * result
+ Objects.hash(activeColor, capturedPiece, enPassant, fullmoveCounter, halfmoveClock, move);
result = prime * result + Objects.hash(activeColor, capturedPiece, enPassant, fullmoveCounter, halfmoveClock, move);
return result;
}
@@ -120,7 +175,6 @@ public class MoveNode {
MoveNode other = (MoveNode) obj;
return activeColor == other.activeColor && Objects.equals(capturedPiece, other.capturedPiece)
&& Arrays.equals(castlingRights, other.castlingRights) && Objects.equals(enPassant, other.enPassant)
&& fullmoveCounter == other.fullmoveCounter && halfmoveClock == other.halfmoveClock
&& Objects.equals(move, other.move);
&& fullmoveCounter == other.fullmoveCounter && halfmoveClock == other.halfmoveClock && Objects.equals(move, other.move);
}
}

6
src/dev/kske/chess/board/Pawn.java
View File

@@ -13,6 +13,12 @@ import java.util.List;
*/
public class Pawn extends Piece {
/**
* Creates pawn {@link Piece}.
*
* @param color the color of this pawn
* @param board the board on which this pawn will be placed
*/
public Pawn(Color color, Board board) { super(color, board); }
@Override

32
src/dev/kske/chess/board/PawnPromotion.java
View File

@@ -19,6 +19,19 @@ public class PawnPromotion extends Move {
private final Constructor<? extends Piece> promotionPieceConstructor;
private final char promotionPieceChar;
/**
* Initializes a pawn promotion move.
*
* @param pos the position of this move
* @param dest the destination of this move
* @param promotionPieceClass the class of the piece to which the pawn is
* promoted
*
* @throws ReflectiveOperationException if the promotion piece could not be
* instantiated
* @throws RuntimeException if the promotion piece could not be
* instantiated
*/
public PawnPromotion(Position pos, Position dest, Class<? extends Piece> promotionPieceClass)
throws ReflectiveOperationException, RuntimeException {
super(pos, dest);
@@ -31,9 +44,24 @@ public class PawnPromotion extends Move {
promotionPieceChar = (char) promotionPieceClass.getMethod("firstChar").invoke(promotionPieceConstructor.newInstance(null, null));
}
public PawnPromotion(int xPos, int yPos, int xDest, int yDest, Class<? extends Piece> promotionPiece)
/**
*
* Creates an instance of {@link PawnPromotion}.
*
* @param xPos the horizontal position of this move
* @param yPos the vertical position of this move
* @param xDest the horizontal destination of this move
* @param yDest the vertical destination of this move
* @param promotionPieceClass the class of the piece to which the pawn is
* promoted
* @throws ReflectiveOperationException if the promotion piece could not be
* instantiated
* @throws RuntimeException if the promotion piece could not be
* instantiated
*/
public PawnPromotion(int xPos, int yPos, int xDest, int yDest, Class<? extends Piece> promotionPieceClass)
throws ReflectiveOperationException, RuntimeException {
this(new Position(xPos, yPos), new Position(xDest, yDest), promotionPiece);
this(new Position(xPos, yPos), new Position(xDest, yDest), promotionPieceClass);
}
@Override

69
src/dev/kske/chess/board/Piece.java
View File

@@ -5,10 +5,12 @@ import java.util.List;
import java.util.Objects;
/**
* Represents a piece on a board with a color.<br>
* <br>
* Project: <strong>Chess</strong><br>
* File: <strong>Piece.java</strong><br>
* Created: <strong>01.07.2019</strong><br>
*
*
* @since Chess v0.1-alpha
* @author Kai S. K. Engelbart
*/
@@ -17,11 +19,23 @@ public abstract class Piece implements Cloneable {
private final Color color;
protected Board board;
/**
* Initializes a piece.
*
* @param color the color of this piece
* @param board the board on which this piece is placed
*/
public Piece(Color color, Board board) {
this.color = color;
this.board = board;
}
/**
* Generated a list of legal moves this piece can make.
*
* @param pos the position of this piece
* @return a list of legal moves this piece can make
*/
public List<Move> getMoves(Position pos) {
List<Move> moves = getPseudolegalMoves(pos);
for (Iterator<Move> iterator = moves.iterator(); iterator.hasNext();) {
@@ -33,15 +47,28 @@ public abstract class Piece implements Cloneable {
return moves;
}
/**
* Generates a list of pseudo legal moves this piece can make.
*
* @param pos the position of this piece
* @return a list of pseudo legal moves this piece can make
*/
protected abstract List<Move> getPseudolegalMoves(Position pos);
/**
* Checks, if a given move is valid.
*
* @param move the move to check
* @return {@code true} if the move is valid
*/
public abstract boolean isValidMove(Move move);
/**
* Checks, if the squares between the position and the destination of a move are
* free.
*
*
* @param move The move to check
* @return {@true} if the path is free
*/
protected boolean isFreePath(Move move) {
for (int i = move.getPos().x + move.getxSign(), j = move.getPos().y + move.getySign(); i != move.getDest().x
@@ -53,7 +80,7 @@ public abstract class Piece implements Cloneable {
/**
* Checks if the destination of a move is empty or a piece from the opposing
* team
*
*
* @param move The move to check
* @return {@code false} if the move's destination is from the same team
*/
@@ -97,6 +124,11 @@ public abstract class Piece implements Cloneable {
*/
public char firstChar() { return Character.toLowerCase(toString().charAt(0)); }
/**
* @param firstChar the first character of a piece's name
* @return the class of the piece associated with that character or {@code null}
* if no piece is associated with the given character
*/
public static Class<? extends Piece> fromFirstChar(char firstChar) {
switch (Character.toLowerCase(firstChar)) {
case 'k':
@@ -121,14 +153,41 @@ public abstract class Piece implements Cloneable {
*/
public Color getColor() { return color; }
public static enum Color {
/**
* Project: <strong>Chess</strong><br>
* File: <strong>Piece.java</strong><br>
* Created: <strong>01.07.2019</strong><br>
*
* @author Kai S. K. Engelbart
* @since Chess v0.1-alpha
*/
public enum Color {
WHITE, BLACK;
/**
* Represents the color of the white pieces on a board.
*/
WHITE,
/**
* Represents the color of the black pieces on a board.
*/
BLACK;
/**
* @param c the first character of a color's name
* @return {@code WHITE} if the character is {@code w} or {@code W}, else
* {@code BLACK}
*/
public static Color fromFirstChar(char c) { return Character.toLowerCase(c) == 'w' ? WHITE : BLACK; }
/**
* @return the first character (lower case) of this color
*/
public char firstChar() { return this == WHITE ? 'w' : 'b'; }
/**
* @return the opposite of this color
*/
public Color opposite() { return this == WHITE ? BLACK : WHITE; }
}
}

41
src/dev/kske/chess/board/Position.java
View File

@@ -4,31 +4,50 @@ package dev.kske.chess.board;
* Project: <strong>Chess</strong><br>
* File: <strong>Position.java</strong><br>
* Created: <strong>02.07.2019</strong><br>
*
*
* @since Chess v0.1-alpha
* @author Kai S. K. Engelbart
*/
public class Position {
public final int x, y;
/**
* The horizontal component of this position.
*/
public final int x;
/**
* The vertical component of this position.
*/
public final int y;
/**
* Initializes a position.
*
* @param x the horizontal component of this position
* @param y the vertical component of this position
*/
public Position(int x, int y) {
this.x = x;
this.y = y;
}
public static Position fromLAN(String pos) {
return new Position(pos.charAt(0) - 97, 8 - Character.getNumericValue(pos.charAt(1)));
}
/**
* Constructs a position from Long Algebraic Notation (LAN)
*
* @param pos the LAN string to construct a position from
* @return the position constructed from LAN
*/
public static Position fromLAN(String pos) { return new Position(pos.charAt(0) - 97, 8 - Character.getNumericValue(pos.charAt(1))); }
public String toLAN() {
return String.valueOf((char) (x + 97)) + String.valueOf(8 - y);
}
/**
* Converts this position to Long Algebraic Notation (LAN)
*
* @return a LAN string representing this position
*/
public String toLAN() { return String.valueOf((char) (x + 97)) + String.valueOf(8 - y); }
@Override
public String toString() {
return String.format("[%d, %d]", x, y);
}
public String toString() { return String.format("[%d, %d]", x, y); }
@Override
public int hashCode() {

8
src/dev/kske/chess/board/Queen.java
View File

@@ -7,12 +7,18 @@ import java.util.List;
* Project: <strong>Chess</strong><br>
* File: <strong>Queen.java</strong><br>
* Created: <strong>01.07.2019</strong><br>
*
*
* @since Chess v0.1-alpha
* @author Kai S. K. Engelbart
*/
public class Queen extends Piece {
/**
* Creates queen {@link Piece}.
*
* @param color the color of this queen
* @param board the board on which this queen will be placed
*/
public Queen(Color color, Board board) {
super(color, board);
}

8
src/dev/kske/chess/board/Rook.java
View File

@@ -7,12 +7,18 @@ import java.util.List;
* Project: <strong>Chess</strong><br>
* File: <strong>Rook.java</strong><br>
* Created: <strong>01.07.2019</strong><br>
*
*
* @since Chess v0.1-alpha
* @author Kai S. K. Engelbart
*/
public class Rook extends Piece {
/**
* Creates rook {@link Piece}.
*
* @param color the color of this rook
* @param board the board on which this rook will be placed
*/
public Rook(Color color, Board board) {
super(color, board);
}

3
src/dev/kske/chess/event/Event.java
View File

@@ -4,9 +4,10 @@ package dev.kske.chess.event;
* Project: <strong>Chess</strong><br>
* File: <strong>Event.java</strong><br>
* Created: <strong>7 Aug 2019</strong><br>
*
*
* @since Chess v0.4-alpha
* @author Kai S. K. Engelbart
* @param <T> the type of the event's value
*/
public interface Event<T> {

30
src/dev/kske/chess/event/EventBus.java
View File

@@ -4,6 +4,8 @@ import java.util.ArrayList;
import java.util.List;
/**
* Dispatches {@link Event}s to various {@link Subscriber}s.<br>
* <br>
* Project: <strong>Chess</strong><br>
* File: <strong>EventBus.java</strong><br>
* Created: <strong>7 Aug 2019</strong><br>
@@ -13,26 +15,38 @@ import java.util.List;
*/
public class EventBus {
private List<Subscribable> subscribers;
private List<Subscriber> subscribers;
private static EventBus instance;
/**
* @return a singleton instance of {@link EventBus}
*/
public static EventBus getInstance() {
if (instance == null) instance = new EventBus();
return instance;
}
private EventBus() {
subscribers = new ArrayList<>();
}
private EventBus() { subscribers = new ArrayList<>(); }
public void register(Subscribable subscribable) {
subscribers.add(subscribable);
}
/**
* Registers a subscriber to which future events will be dispatched.
*
* @param subscribable the subscriber to register
*/
public void register(Subscriber subscribable) { subscribers.add(subscribable); }
/**
* Dispatches an event to all {@Subscriber}s registered at this event bus.
*
* @param event the event to dispatch
*/
public void dispatch(Event<?> event) {
subscribers.stream().filter(e -> e.supports().contains(event.getClass())).forEach(e -> e.handle(event));
}
public List<Subscribable> getSubscribers() { return subscribers; }
/**
* @return a list of all registered subscribers
*/
public List<Subscriber> getSubscribers() { return subscribers; }
}

5
src/dev/kske/chess/event/GameStartEvent.java
View File

@@ -14,6 +14,11 @@ public class GameStartEvent implements Event<Game> {
private final Game game;
/**
* Creates an instance of {@link GameStartEvent}.
*
* @param source the game started
*/
public GameStartEvent(Game source) { game = source; }
@Override

9
src/dev/kske/chess/event/MoveEvent.java
View File

@@ -16,6 +16,12 @@ public class MoveEvent implements Event<Move> {
private final Move move;
private final BoardState boardState;
/**
* Creates an instance of {@link MoveEvent}.
*
* @param move the move by which the event was triggered
* @param boardState the state of the board after the move
*/
public MoveEvent(Move move, BoardState boardState) {
this.move = move;
this.boardState = boardState;
@@ -24,5 +30,8 @@ public class MoveEvent implements Event<Move> {
@Override
public Move getData() { return move; }
/**
* @return the state of the board after the move
*/
public BoardState getBoardState() { return boardState; }
}

6
src/dev/kske/chess/event/Subscribable.java → src/dev/kske/chess/event/Subscriber.java
View File

@@ -3,6 +3,10 @@ package dev.kske.chess.event;
import java.util.Set;
/**
* Implementations of this interface can register themselves at the
* {@link EventBus} and will be triggered every time an {@link Event} of a
* supported type.<br>
* <br>
* Project: <strong>Chess</strong><br>
* File: <strong>Subscribable.java</strong><br>
* Created: <strong>7 Aug 2019</strong><br>
@@ -10,7 +14,7 @@ import java.util.Set;
* @since Chess v0.4-alpha
* @author Kai S. K. Engelbart
*/
public interface Subscribable {
public interface Subscriber {
/**
* Consumes an event dispatched by an event bus.

18
src/dev/kske/chess/exception/ChessException.java
View File

@@ -4,7 +4,7 @@ package dev.kske.chess.exception;
* Project: <strong>Chess</strong><br>
* File: <strong>ChessException.java</strong><br>
* Created: <strong>22 Sep 2019</strong><br>
*
*
* @since Chess v0.5-alpha
* @author Kai S. K. Engelbart
*/
@@ -12,14 +12,30 @@ public class ChessException extends Exception {
private static final long serialVersionUID = -2208596063548245189L;
/**
* Initializes chess exception.
*
* @param message the message associated with this exception
* @param cause the cause of this exception
*/
public ChessException(String message, Throwable cause) {
super(message, cause);
}
/**
* Initializes chess exception.
*
* @param message the message associated with this exception
*/
public ChessException(String message) {
super(message);
}
/**
* Initializes chess exception.
*
* @param cause the cause of this exception
*/
public ChessException(Throwable cause) {
super(cause);
}

52
src/dev/kske/chess/game/Game.java
View File

@@ -23,7 +23,7 @@ import dev.kske.chess.ui.OverlayComponent;
* Project: <strong>Chess</strong><br>
* File: <strong>Game.java</strong><br>
* Created: <strong>06.07.2019</strong><br>
*
*
* @since Chess v0.1-alpha
* @author Kai S. K. Engelbart
*/
@@ -34,11 +34,26 @@ public class Game {
private OverlayComponent overlayComponent;
private BoardComponent boardComponent;
/**
* Initializes game with a new {@link Board}.
*
* @param boardPane the board pane which will display the newly created board
* @param whiteName the name of the player controlling the white pieces
* @param blackName the name of the player controlling the black pieces
*/
public Game(BoardPane boardPane, String whiteName, String blackName) {
board = new Board();
init(boardPane, whiteName, blackName);
}
/**
* Initializes game with an existing {@link Board}.
*
* @param boardPane the board pane which will display the newly created board
* @param whiteName the name of the player controlling the white pieces
* @param blackName the name of the player controlling the black pieces
* @param board the board on which the game will be played
*/
public Game(BoardPane boardPane, String whiteName, String blackName, Board board) {
this.board = board;
init(boardPane, whiteName, blackName);
@@ -59,6 +74,17 @@ public class Game {
players.values().forEach(player -> player.setGame(this));
}
/**
* Initializes player subclass.
*
* @param name the name of the player. {@code Natural Player} will initialize a
* {@link NaturalPlayer}, {@code AI Player} will initialize an
* {@link AIPlayer}. Everything else will attempt to load an engine
* with that name
* @param color the color of the player
* @return the instantiated player or {@code null} if the name could not be
* recognized
*/
private Player getPlayer(String name, Color color) {
switch (name) {
case "Natural Player":
@@ -73,6 +99,14 @@ public class Game {
}
}
/**
* Should be called once a player makes a move. Depending on the legality of
* that move and the state of the game another move might be requested from one
* of the players.
*
* @param player the player who generated the move
* @param move the generated move
*/
public void onMove(Player player, Move move) {
if (board.getPos(move).getColor() == player.color && board.attemptMove(move)) {
@@ -83,7 +117,7 @@ public class Game {
// Run garbage collection
System.gc();
BoardState boardState = board.getGameEventType(board.getDest(move).getColor().opposite());
BoardState boardState = board.getState(board.getDest(move).getColor().opposite());
EventBus.getInstance().dispatch(new MoveEvent(move, boardState));
switch (boardState) {
case CHECKMATE:
@@ -100,11 +134,19 @@ public class Game {
} else player.requestMove();
}
/**
* Starts the game by requesting a move from the player of the currently active
* color.
*/
public void start() {
EventBus.getInstance().dispatch(new GameStartEvent(this));
players.get(board.getLog().getActiveColor()).requestMove();
}
/**
* Cancels move calculations, initializes the default position and clears the
* {@link OverlayComponent}.
*/
public void reset() {
players.values().forEach(Player::cancelMove);
board.initDefaultPositions();
@@ -114,11 +156,9 @@ public class Game {
}
/**
* Stops the game by disconnecting its players form the UI.
* Stops the game by disconnecting its players from the UI.
*/
public void stop() {
players.values().forEach(Player::disconnect);
}
public void stop() { players.values().forEach(Player::disconnect); }
/**
* Assigns the players their opposite colors.

15
src/dev/kske/chess/game/NaturalPlayer.java
View File

@@ -15,10 +15,14 @@ import dev.kske.chess.board.Position;
import dev.kske.chess.ui.OverlayComponent;
/**
* Enables the user to make moves in a {@link Game} by clicking on a
* {@link Piece} and then selecting one of the highlighted positions as the move
* destination.<br>
* <br>
* Project: <strong>Chess</strong><br>
* File: <strong>NaturalPlayer.java</strong><br>
* Created: <strong>06.07.2019</strong><br>
*
*
* @since Chess v0.1-alpha
* @author Kai S. K. Engelbart
*/
@@ -30,6 +34,13 @@ public class NaturalPlayer extends Player implements MouseListener {
private Piece selectedPiece;
private List<Move> possibleMoves;
/**
* Creates an instance of {@link NaturalPlayer}.
*
* @param color the piece color this player will control
* @param overlayComponent the overlay component that will be used to display
* possible moves to the user
*/
public NaturalPlayer(Color color, OverlayComponent overlayComponent) {
super(color);
this.overlayComponent = overlayComponent;
@@ -82,7 +93,7 @@ public class NaturalPlayer extends Player implements MouseListener {
if (selectedMoves.size() > 1) {
// Let the user select a promotion piece
JComboBox<Move> comboBox = new JComboBox<Move>(selectedMoves.toArray(new Move[0]));
JComboBox<Move> comboBox = new JComboBox<>(selectedMoves.toArray(new Move[0]));
JOptionPane.showMessageDialog(overlayComponent, comboBox, "Select a promotion", JOptionPane.QUESTION_MESSAGE);
move = selectedMoves.get(comboBox.getSelectedIndex());

55
src/dev/kske/chess/game/Player.java
View File

@@ -1,13 +1,17 @@
package dev.kske.chess.game;
import dev.kske.chess.board.Board;
import dev.kske.chess.board.Move;
import dev.kske.chess.board.Piece.Color;
/**
* Acts as the interface between the {@link Game} class and some kind of move
* generation backend implemented as a subclass.<br>
* <br>
* Project: <strong>Chess</strong><br>
* File: <strong>Player.java</strong><br>
* Created: <strong>06.07.2019</strong><br>
*
*
* @since Chess v0.1-alpha
* @author Kai S. K. Engelbart
*/
@@ -18,32 +22,71 @@ public abstract class Player {
protected Color color;
protected String name;
public Player(Color color) {
this.color = color;
}
/**
* Initializes the color of this player.
*
* @param color the piece color that this player will control
*/
public Player(Color color) { this.color = color; }
/**
* Initiates a move generation and reports the result to the game by calling
* {@link Game#onMove(Player, Move)}.
*/
public abstract void requestMove();
/**
* Cancels the move generation process.
*/
public abstract void cancelMove();
/**
* Closes all resources required for move generation.
*/
public abstract void disconnect();
/**
* @return the game in which this player is used
*/
public Game getGame() { return game; }
/**
* Sets the game in which this player is used. The board of that game will be
* assigned as well.
*
* @param game the game to set
*/
public void setGame(Game game) {
this.game = game;
board = game.getBoard();
}
/**
* @return the board on which this player is used
*/
public Board getBoard() { return board; }
public void setBoard(Board board) { this.board = board; }
/**
* @return the color of pieces controlled by this player
*/
public Color getColor() { return color; }
/**
* Sets the color of pieces controlled by this player.
*
* @param color the color to set
*/
public void setColor(Color color) { this.color = color; }
/**
* @return the name of this player
*/
public String getName() { return name; }
/**
* Sets the name of this player
*
* @param name the name to set
*/
public void setName(String name) { this.name = name; }
}

56
src/dev/kske/chess/game/UCIPlayer.java
View File

@@ -9,22 +9,32 @@ import dev.kske.chess.uci.UCIHandle;
import dev.kske.chess.uci.UCIListener;
/**
* Acts as the interface between the {@link Game} class and the
* {@link dev.kske.chess.uci} package enabling an engine to make moves in a
* game.<br>
* <br>
* Project: <strong>Chess</strong><br>
* File: <strong>UCIPlayer.java</strong><br>
* Created: <strong>18.07.2019</strong><br>
*
*
* @since Chess v0.3-alpha
* @author Kai S. K. Engelbart
*/
public class UCIPlayer extends Player implements UCIListener {
private UCIHandle handle;
private UCIHandle handle;
/**
* Creates an instance of {@link UCIPlayer}.
*
* @param color the piece color that this player will control
* @param enginePath the path to the engine executable
*/
public UCIPlayer(Color color, String enginePath) {
super(color);
try {
handle = new UCIHandle(enginePath);
handle.setListener(this);
handle.registerListener(this);
handle.start();
} catch (IOException ex) {
ex.printStackTrace();
@@ -38,19 +48,13 @@ public class UCIPlayer extends Player implements UCIListener {
}
@Override
public void cancelMove() {
handle.stop();
}
public void cancelMove() { handle.stop(); }
@Override
public void disconnect() {
handle.quit();
}
public void disconnect() { handle.quit(); }
@Override
public void onIdName(String name) {
this.name = name;
}
public void onIdName(String name) { this.name = name; }
@Override
public void onBestMove(String move) {
@@ -59,37 +63,23 @@ public class UCIPlayer extends Player implements UCIListener {
}
@Override
public void onBestMove(String move, Move ponderMove) {
onBestMove(move);
}
public void onBestMove(String move, Move ponderMove) { onBestMove(move); }
@Override
public void onCopyProtectionChecking() {
System.out.println("Copy protection checking...");
}
public void onCopyProtectionChecking() { System.out.println("Copy protection checking..."); }
@Override
public void onCopyProtectionOk() {
System.out.println("Copy protection ok");
}
public void onCopyProtectionOk() { System.out.println("Copy protection ok"); }
@Override
public void onCopyProtectionError() {
System.err.println("Copy protection error!");
}
public void onCopyProtectionError() { System.err.println("Copy protection error!"); }
@Override
public void onRegistrationChecking() {
System.out.println("Registration checking...");
}
public void onRegistrationChecking() { System.out.println("Registration checking..."); }
@Override
public void onRegistrationOk() {
System.out.println("Registration ok");
}
public void onRegistrationOk() { System.out.println("Registration ok"); }
@Override
public void onRegistrationError() {
System.err.println("Registration error!");
}
public void onRegistrationError() { System.err.println("Registration error!"); }
}

17
src/dev/kske/chess/game/ai/AIPlayer.java
View File

@@ -2,11 +2,7 @@ package dev.kske.chess.game.ai;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.*;
import javax.swing.SwingUtilities;
@@ -19,7 +15,7 @@ import dev.kske.chess.game.Player;
* Project: <strong>Chess</strong><br>
* File: <strong>AIPlayer.java</strong><br>
* Created: <strong>06.07.2019</strong><br>
*
*
* @since Chess v0.1-alpha
* @author Kai S. K. Engelbart
*/
@@ -32,6 +28,15 @@ public class AIPlayer extends Player {
private volatile boolean exitRequested;
private volatile ExecutorService executor;
/**
* Creates an instance of {@link AIPlayer}.
*
* @param color the piece color this player will control
* @param maxDepth the maximum search depth
* @param alphaBetaThreshold the board evaluation threshold that has to be
* reached to continue searching the children of a
* move
*/
public AIPlayer(Color color, int maxDepth, int alphaBetaThreshold) {
super(color);
name = "AIPlayer";

29
src/dev/kske/chess/game/ai/MoveProcessor.java
View File

@@ -5,22 +5,16 @@ import java.util.List;
import java.util.Map;
import java.util.concurrent.Callable;
import dev.kske.chess.board.Bishop;
import dev.kske.chess.board.Board;
import dev.kske.chess.board.King;
import dev.kske.chess.board.Knight;
import dev.kske.chess.board.Move;
import dev.kske.chess.board.Pawn;
import dev.kske.chess.board.Piece;
import dev.kske.chess.board.*;
import dev.kske.chess.board.Piece.Color;
import dev.kske.chess.board.Queen;
import dev.kske.chess.board.Rook;
/**
* Implements a basic minimax move search algorithm for testing purposes.<br>
* <br>
* Project: <strong>Chess</strong><br>
* File: <strong>MoveProcessor.java</strong><br>
* Created: <strong>08.07.2019</strong><br>
*
*
* @since Chess v0.1-alpha
* @author Kai S. K. Engelbart
*/
@@ -68,6 +62,16 @@ public class MoveProcessor implements Callable<ProcessingResult> {
new int[] { 0, 1, 1, -2, -2, 1, 1, 0 }, new int[] { 0, 0, 0, 0, 0, 0, 0, 0 } });
}
/**
* Creates an instance of {@link MoveProcessor}.
*
* @param board the board to search
* @param rootMoves the moves on which the search is based
* @param color the color for which to search
* @param maxDepth the maximal recursion depth to search to
* @param alphaBetaThreshold the threshold necessary to continue a search for a
* specific move
*/
public MoveProcessor(Board board, List<Move> rootMoves, Color color, int maxDepth, int alphaBetaThreshold) {
this.board = board;
this.rootMoves = rootMoves;
@@ -105,9 +109,10 @@ public class MoveProcessor implements Callable<ProcessingResult> {
/**
* Evaluated a board.
*
*
* @param board the board to evaluate
* @param color The color to evaluate for
* @return An positive number representing how good the position is
* @return a positive number representing how good the position is
*/
private int evaluate(Board board, Color color) {
int score = 0;

25
src/dev/kske/chess/game/ai/ProcessingResult.java
View File

@@ -3,25 +3,38 @@ package dev.kske.chess.game.ai;
import dev.kske.chess.board.Move;
/**
* Contains information about a move search performed by a chess engine.
* <br>
* Project: <strong>Chess</strong><br>
* File: <strong>ProcessingResult.java</strong><br>
* Created: <strong>08.07.2019</strong><br>
*
*
* @since Chess v0.1-alpha
* @author Kai S. K. Engelbart
*/
public class ProcessingResult {
public final Move move;
public final int score;
/**
* The best move found by the search
*/
public final Move move;
/**
* The score associated with the best move
*/
public final int score;
/**
* Creates an instance of {@link ProcessingResult}.
*
* @param move the best move found by the search
* @param score the score associated with the best move
*/
public ProcessingResult(Move move, int score) {
this.move = move;
this.score = score;
}
@Override
public String toString() {
return String.format("ProcessingResult[Move = %s, Score = %d]", move, score);
}
public String toString() { return String.format("ProcessingResult[Move = %s,Score = %d]", move, score); }
}

68
src/dev/kske/chess/io/EngineUtil.java
View File

@@ -1,11 +1,6 @@
package dev.kske.chess.io;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;
import java.io.*;
import java.util.ArrayList;
import java.util.List;
@@ -14,9 +9,9 @@ import dev.kske.chess.uci.UCIListener;
/**
* Project: <strong>Chess</strong><br>
* File: <strong>MenuBar.java</strong><br>
* File: <strong>EngineUtil.java</strong><br>
* Created: <strong>23.07.2019</strong><br>
*
*
* @since Chess v0.2-alpha
* @author Kai S. K. Engelbart
* @author Leon Hofmeister
@@ -33,21 +28,22 @@ public class EngineUtil {
private EngineUtil() {}
/**
* Stores information about an engine while checking its availability.
*
* @param enginePath the path to the executable of the engine
*/
public static void addEngine(String enginePath) {
try {
EngineInfo info = new EngineInfo(enginePath);
UCIHandle handle = new UCIHandle(enginePath);
handle.setListener(new UCIListener() {
handle.registerListener(new UCIListener() {
@Override
public void onIdName(String name) {
info.name = name;
}
public void onIdName(String name) { info.name = name; }
@Override
public void onIdAuthor(String author) {
info.author = author;
}
public void onIdAuthor(String author) { info.author = author; }
@Override
public void onUCIOk() {
@@ -81,21 +77,49 @@ public class EngineUtil {
}
}
/**
* Stores the name and author of an engine, as well as a path to its
* executable.<br>
* <br>
* Project: <strong>Chess</strong><br>
* File: <strong>EngineUtil.java</strong><br>
* Created: <strong>23.07.2019</strong><br>
*
* @since Chess v0.2-alpha
* @author Kai S. K. Engelbart
*/
public static class EngineInfo implements Serializable {
private static final long serialVersionUID = -474177108900833005L;
public String path, name, author;
/**
* The path to the executable of the engine
*/
public String path;
public EngineInfo(String path) {
this.path = path;
}
/**
* The name of the engine
*/
public String name;
/**
* The author of the engine
*/
public String author;
/**
* Creates an instance of {@link EngineInfo}.
*
* @param path the path of the engine executable
*/
public EngineInfo(String path) { this.path = path; }
@Override
public String toString() {
return name + " by " + author + " at " + path;
}
public String toString() { return name + " by " + author + " at " + path; }
}
/**
* @return a list of all stored engine infos
*/
public static List<EngineInfo> getEngineInfos() { return engineInfos; }
}

28
src/dev/kske/chess/pgn/PGNDatabase.java
View File

@@ -1,9 +1,6 @@
package dev.kske.chess.pgn;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.*;
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;
@@ -17,7 +14,7 @@ import dev.kske.chess.exception.ChessException;
* <br>
* Contains a series of {@link PGNGame} objects that can be stored inside a PGN
* file.
*
*
* @since Chess v0.5-alpha
* @author Kai S. K. Engelbart
*/
@@ -27,30 +24,33 @@ public class PGNDatabase {
/**
* Loads PGN games from a file.
*
*
* @param pgnFile the file to load the games from
* @throws FileNotFoundException if the specified file is not found
* @throws ChessException if an error occurs while parsing the file
*/
public void load(File pgnFile) throws FileNotFoundException, ChessException {
Scanner sc = new Scanner(pgnFile);
while (sc.hasNext())
games.add(PGNGame.parse(sc));
sc.close();
try (Scanner sc = new Scanner(pgnFile)) {
while (sc.hasNext())
games.add(PGNGame.parse(sc));
}
}
/**
* Saves PGN games to a file.
*
*
* @param pgnFile the file to save the games to.
* @throws IOException if the file could not be created
*/
public void save(File pgnFile) throws IOException {
pgnFile.getParentFile().mkdirs();
PrintWriter pw = new PrintWriter(pgnFile);
games.forEach(g -> g.writePGN(pw));
pw.close();
try (PrintWriter pw = new PrintWriter(pgnFile)) {
games.forEach(g -> g.writePGN(pw));
}
}
/**
* @return all games contained inside this database
*/
public List<PGNGame> getGames() { return games; }
}

48
src/dev/kske/chess/pgn/PGNGame.java
View File

@@ -1,12 +1,7 @@
package dev.kske.chess.pgn;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Scanner;
import java.util.*;
import java.util.regex.MatchResult;
import java.util.regex.Pattern;
@@ -14,7 +9,6 @@ import dev.kske.chess.board.Board;
import dev.kske.chess.board.FENString;
import dev.kske.chess.board.Move;
import dev.kske.chess.board.Piece.Color;
import dev.kske.chess.exception.ChessException;
/**
* Project: <strong>Chess</strong><br>
@@ -29,11 +23,27 @@ public class PGNGame {
private final Map<String, String> tagPairs = new HashMap<>(7);
private final Board board;
/**
* Creates an instance of {@link PGNGame}. A new default {@link Board} will be
* created.
*/
public PGNGame() { board = new Board(); }
/**
* Creates an instance of {@link PGNGame}.
*
* @param board the board associated with the game
*/
public PGNGame(Board board) { this.board = board; }
public static PGNGame parse(Scanner sc) throws ChessException {
/**
* Parses a game in {@code PGN} format from a {@link Scanner} instance
*
* @param sc the {@link Scanner} to parse the game from, which is not closed
* after this process
* @return the parsed {@link PGNGame}
*/
public static PGNGame parse(Scanner sc) {
PGNGame game = new PGNGame();
MatchResult matchResult;
@@ -72,6 +82,11 @@ public class PGNGame {
return game;
}
/**
* Serializes this game to {@code PGN} format.
*
* @param pw the writer to write the game to
*/
public void writePGN(PrintWriter pw) {
// Set the unknown result tag if no result tag is specified
tagPairs.putIfAbsent("Result", "*");
@@ -111,11 +126,28 @@ public class PGNGame {
pw.print(tagPairs.get("Result"));
}
/**
* @param tagName the name of a game tag
* @return the value of the game tag
*/
public String getTag(String tagName) { return tagPairs.get(tagName); }
/**
* @param tagName the name of a game tag
* @return {@code true} if the tag is present
*/
public boolean hasTag(String tagName) { return tagPairs.containsKey(tagName); }
/**
* Sets a game tag.
*
* @param tagName the name of the tag
* @param tagValue the value of the tag
*/
public void setTag(String tagName, String tagValue) { tagPairs.put(tagName, tagValue); }
/**
* @return the board associated with this game
*/
public Board getBoard() { return board; }
}

33
src/dev/kske/chess/uci/UCIHandle.java
View File

@@ -11,7 +11,7 @@ import dev.kske.chess.board.Move;
* Project: <strong>Chess</strong><br>
* File: <strong>UCIHandle.java</strong><br>
* Created: <strong>18.07.2019</strong><br>
*
*
* @since Chess v0.3-alpha
* @author Kai S. K. Engelbart
*/
@@ -21,12 +21,22 @@ public class UCIHandle {
private final PrintWriter out;
private final UCIReceiver receiver;
/**
* Creates an instance of {@link UCIHandle}. The engine process is started and
* passed to a new {@link UCIReceiver}.
*
* @param enginePath the path to the engine executable
* @throws IOException if the engine process could not be started
*/
public UCIHandle(String enginePath) throws IOException {
process = new ProcessBuilder(enginePath).start();
out = new PrintWriter(process.getOutputStream(), true);
receiver = new UCIReceiver(process.getInputStream());
}
/**
* Starts the {@link UCIReceiver} used to gather engine output.
*/
public void start() {
new Thread(receiver, "UCI Receiver").start();
uci();
@@ -39,7 +49,7 @@ public class UCIHandle {
/**
* Switches the debug mode of the engine on or off.
*
*
* @param debug Enables debugging if set to {@code true}, disables it otherwise
*/
public void debug(boolean debug) { out.println("debug " + (debug ? "on" : "off")); }
@@ -51,14 +61,14 @@ public class UCIHandle {
/**
* Signifies a button press to the engine.
*
*
* @param name The name of the button
*/
public void setOption(String name) { out.println("setoption name " + name); }
/**
* Changes an internal parameter of the engine.
*
*
* @param name The name of the parameter
* @param value The value of the parameter
*/
@@ -66,7 +76,7 @@ public class UCIHandle {
/**
* Registers the engine
*
*
* @param name The name the engine should be registered with
* @param code The code the engine should be registered with
*/
@@ -89,14 +99,14 @@ public class UCIHandle {
/**
* Sets up the position described in the FEN string.
*
*
* @param fen FEN representation of the current board
*/
public void positionFEN(String fen) { out.println("position fen " + fen); }
/**
* Sets up the position described by a list of moves.
*
*
* @param moves the moves to execute from the starting position to reach the
* desired position
*/
@@ -117,7 +127,7 @@ public class UCIHandle {
* the call if they are not {@code null}, greater than zero or {@code true} for
* {@code searchMoves}, all integer parameters and all boolean parameters
* respectively.
*
*
* @param searchMoves restrict the search to these moves only
* @param ponder start the search in ponder mode
* @param wTime the amount of milliseconds left on white's clock
@@ -196,5 +206,10 @@ public class UCIHandle {
*/
public void quit() { out.println("quit"); }
public void setListener(UCIListener listener) { receiver.addListener(listener); }
/**
* Registers a UCI listener.
*
* @param listener the UCI listener to register
*/
public void registerListener(UCIListener listener) { receiver.registerListener(listener); }
}

16
src/dev/kske/chess/uci/UCIInfo.java
View File

@@ -1,10 +1,6 @@
package dev.kske.chess.uci;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.*;
import dev.kske.chess.board.Move;
@@ -12,7 +8,7 @@ import dev.kske.chess.board.Move;
* Project: <strong>Chess</strong><br>
* File: <strong>UCIInfo.java</strong><br>
* Created: <strong>28.07.2019</strong><br>
*
*
* @since Chess v0.3-alpha
* @author Kai S. K. Engelbart
*/
@@ -47,6 +43,12 @@ public class UCIInfo {
"refutation",
"currline");
/**
* Creates an instance of {@link UCIInfo} by parsing the argument list of a UCI
* info command generated from an engine.
*
* @param line the UCI info argument list to parse
*/
public UCIInfo(String line) {
String[] tokens = line.split(" ");
@@ -106,7 +108,7 @@ public class UCIInfo {
break;
case "currline":
// A CPU number of 1 can be omitted
final Integer cpu = tokens[i].matches("\\d+") ? Integer.valueOf(tokens[i++]) : 1;
final Integer cpu = tokens[i].matches("\\d+") ? Integer.parseInt(tokens[i++]) : 1;
final ArrayList<Move> moves = new ArrayList<>();
while (i < tokens.length && !params.contains(tokens[i]))
moves.add(Move.fromLAN(tokens[i++]));

22
src/dev/kske/chess/uci/UCIReceiver.java
View File

@@ -1,9 +1,6 @@
package dev.kske.chess.uci;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.*;
import java.util.ArrayList;
import java.util.List;
@@ -13,7 +10,7 @@ import dev.kske.chess.board.Move;
* Project: <strong>Chess</strong><br>
* File: <strong>UCIReceiver.java</strong><br>
* Created: <strong>19.07.2019</strong><br>
*
*
* @since Chess v0.3-alpha
* @author Kai S. K. Engelbart
*/
@@ -23,11 +20,19 @@ public class UCIReceiver implements Runnable {
private List<UCIListener> listeners;
/**
* Creates an instance of {@link UCIReceiver}.
*
* @param in the input stream to parse for commands generated by the engine
*/
public UCIReceiver(InputStream in) {
this.in = new BufferedReader(new InputStreamReader(in));
listeners = new ArrayList<>();
}
/**
* Starts listening for UCI commands passed through the input stream.
*/
@Override
public void run() {
String line;
@@ -135,5 +140,10 @@ public class UCIReceiver implements Runnable {
private void parseOption(String line) { listeners.forEach(l -> l.onOption(new UCIOption((line)))); }
public void addListener(UCIListener listener) { listeners.add(listener); }
/**
* Registers a UCI listener
*
* @param listener the UCI listener to register
*/
public void registerListener(UCIListener listener) { listeners.add(listener); }
}

15
src/dev/kske/chess/ui/AIConfigDialog.java
View File

@@ -2,21 +2,18 @@ package dev.kske.chess.ui;
import java.awt.Dimension;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.JSpinner;
import javax.swing.SpinnerNumberModel;
import javax.swing.*;
/**
* Project: <strong>Chess</strong><br>
* File: <strong>AIConfigDialog.java</strong><br>
* Created: <strong>16.07.2019</strong><br>
*
*
* @since Chess v0.1-alpha
* @author Kai S. K. Engelbart
*/
@Deprecated
@SuppressWarnings("javadoc")
public class AIConfigDialog extends JDialog {
private static final long serialVersionUID = -8047984368152479992L;
@@ -28,7 +25,7 @@ public class AIConfigDialog extends JDialog {
public AIConfigDialog() {
setSize(new Dimension(337, 212));
setModal(true);
setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
setTitle("AI Configuration");
getContentPane().setLayout(null);
@@ -50,8 +47,8 @@ public class AIConfigDialog extends JDialog {
btnOk.setBounds(16, 137, 84, 28);
getContentPane().add(btnOk);
btnOk.addActionListener((evt) -> {
maxDepth = ((Integer) spMaxDepth.getValue()).intValue();
alphaBetaThreshold = ((Integer) spAlphaBetaThreshold.getValue()).intValue();
maxDepth = ((Integer) spMaxDepth.getValue());
alphaBetaThreshold = ((Integer) spAlphaBetaThreshold.getValue());
startGame = true;
dispose();
});

20
src/dev/kske/chess/ui/BoardComponent.java
View File

@@ -16,7 +16,7 @@ import dev.kske.chess.io.TextureUtil;
* A square panel for rendering the chess board. To work correctly,
* this must be added to a parent component that allows the child to decide the
* size.
*
*
* @since Chess v0.1-alpha
* @author Kai S. K. Engelbart
*/
@@ -28,6 +28,12 @@ public class BoardComponent extends JComponent {
private Board board;
/**
* Creates an instance of {@link BoardComponent}.
*
* @param boardPane the board pane inside which this board component is
* contained
*/
public BoardComponent(BoardPane boardPane) {
this.boardPane = boardPane;
setSize(boardPane.getPreferredSize());
@@ -37,7 +43,7 @@ public class BoardComponent extends JComponent {
protected void paintComponent(Graphics g) {
super.paintComponent(g);
final int tileSize = getTileSize();
final int tileSize = boardPane.getTileSize();
// Draw the board
g.setColor(Color.white);
@@ -54,10 +60,16 @@ public class BoardComponent extends JComponent {
g.drawImage(TextureUtil.getPieceTexture(board.getBoardArr()[i][j]), i * tileSize, j * tileSize, this);
}
public int getTileSize() { return boardPane.getTileSize(); }
/**
* @return the board rendered by this board component
*/
public Board getBoard() { return board; }
/**
* Sets the board rendered by this board component and repaints the component
*
* @param board the board rendered by this board component
*/
public void setBoard(Board board) {
this.board = board;
repaint();

17
src/dev/kske/chess/ui/BoardPane.java
View File

@@ -5,10 +5,13 @@ import java.awt.Dimension;
import javax.swing.JLayeredPane;
/**
* Combines a {@link BoardComponent} and an {@link OverlayComponent} into a
* layered pane.
* <br>
* Project: <strong>Chess</strong><br>
* File: <strong>BoardPane.java</strong><br>
* Created: <strong>08.07.2019</strong><br>
*
*
* @since Chess v0.1-alpha
* @author Kai S. K. Engelbart
*/
@@ -21,6 +24,9 @@ public class BoardPane extends JLayeredPane {
private int tileSize;
/**
* Creates an instance of {@link BoardPane}.
*/
public BoardPane() {
boardComponent = new BoardComponent(this);
overlayComponent = new OverlayComponent(this);
@@ -37,9 +43,18 @@ public class BoardPane extends JLayeredPane {
@Override
public Dimension getPreferredSize() { return new Dimension(480, 480); }
/**
* @return the board component contained inside this board pane
*/
public BoardComponent getBoardComponent() { return boardComponent; }
/**
* @return overlay component contained inside this board pane
*/
public OverlayComponent getOverlayComponent() { return overlayComponent; }
/**
* @return the size of an individual board tile in pixels
*/
public int getTileSize() { return tileSize; }
}

36
src/dev/kske/chess/ui/DialogUtil.java
View File

@@ -3,20 +3,12 @@ package dev.kske.chess.ui;
import java.awt.Component;
import java.awt.Font;
import java.io.File;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.List;
import java.util.*;
import java.util.function.BiConsumer;
import java.util.function.Consumer;
import java.util.prefs.Preferences;
import javax.swing.DefaultComboBoxModel;
import javax.swing.JComboBox;
import javax.swing.JFileChooser;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.*;
import javax.swing.filechooser.FileNameExtensionFilter;
import dev.kske.chess.io.EngineUtil;
@@ -38,6 +30,13 @@ public class DialogUtil {
*/
private static Preferences preferences = Preferences.userNodeForPackage(DialogUtil.class);
/**
* Displays a parameterized file opening dialog.
*
* @param parent the parent component of the dialog
* @param action the action executed with the selected files a its argument
* @param filters the file extension filters passed to the dialog
*/
public static void showFileSelectionDialog(Component parent, Consumer<List<File>> action, Collection<FileNameExtensionFilter> filters) {
JFileChooser fileChooser = createFileChooser(filters);
if (fileChooser.showOpenDialog(parent) == JFileChooser.APPROVE_OPTION) {
@@ -46,6 +45,13 @@ public class DialogUtil {
}
}
/**
* Displays a parameterized file saving dialog.
*
* @param parent the parent component of the dialog
* @param action the action executed with the selected file a its argument
* @param filters the file extension filters passed to the dialog
*/
public static void showFileSaveDialog(Component parent, Consumer<File> action, Collection<FileNameExtensionFilter> filters) {
JFileChooser fileChooser = createFileChooser(filters);
if (fileChooser.showSaveDialog(parent) == JFileChooser.APPROVE_OPTION) {
@@ -63,6 +69,16 @@ public class DialogUtil {
return fileChooser;
}
/**
* Displays a dialog in which the user can select the player types for a
* game.<br>
* <br>
* The dialog will always display {@code Natural Player} and {@code AIPlayer},
* as well as all engine names stored by {@link EngineUtil}.
*
* @param parent the parent component of the dialog
* @param action the action executed with the two selected names as arguments
*/
public static void showGameConfigurationDialog(Component parent, BiConsumer<String, String> action) {
JPanel dialogPanel = new JPanel();

11
src/dev/kske/chess/ui/GameDropTarget.java
View File

@@ -10,10 +10,13 @@ import java.io.IOException;
import java.util.List;
/**
* Enables drag and drop support of {@code FEN} and {@code PGN} files for the
* {@link MainWindow}.<br>
* <br>
* Project: <strong>Chess</strong><br>
* File: <strong>GameDropTarget.java</strong><br>
* Created: <strong>13 Aug 2019</strong><br>
*
*
* @since Chess v0.3-alpha
* @author Kai S. K. Engelbart
*/
@@ -21,6 +24,12 @@ public class GameDropTarget extends DropTargetAdapter {
private MainWindow mainWindow;
/**
* Creates an instance of {@link GameDropTarget}.
*
* @param mainWindow the {@link MainWindow} onto which {@code FEN} and
* {@code PGN} files can be dropped
*/
public GameDropTarget(MainWindow mainWindow) { this.mainWindow = mainWindow; }
@SuppressWarnings("unchecked")

38
src/dev/kske/chess/ui/GamePane.java
View File

@@ -7,28 +7,19 @@ import java.util.Arrays;
import java.util.HashSet;
import java.util.Set;
import javax.swing.DefaultListModel;
import javax.swing.JButton;
import javax.swing.JComponent;
import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.ListSelectionModel;
import javax.swing.*;
import dev.kske.chess.board.BoardState;
import dev.kske.chess.board.MoveNode;
import dev.kske.chess.board.Piece.Color;
import dev.kske.chess.event.Event;
import dev.kske.chess.event.EventBus;
import dev.kske.chess.event.GameStartEvent;
import dev.kske.chess.event.MoveEvent;
import dev.kske.chess.event.Subscribable;
import dev.kske.chess.event.*;
import dev.kske.chess.game.Game;
import dev.kske.chess.game.NaturalPlayer;
/**
* The part of this application's {@link MainWindow} that displays {@link Game}s
* and other components allowing to manipulate them.<br>
* <br>
* Project: <strong>Chess</strong><br>
* File: <strong>GamePane.java</strong><br>
* Created: <strong>23.08.2019</strong><br>
@@ -47,6 +38,9 @@ public class GamePane extends JComponent {
private JPanel moveSelectionPanel;
private JButton btnFirst, btnPrevious, btnNext, btnLast;
/**
* Creates an instance of {@link GamePane}.
*/
public GamePane() {
activeColor = Color.WHITE;
@@ -107,13 +101,11 @@ public class GamePane extends JComponent {
btnNext = new JButton("Next");
btnNext.addActionListener((evt) -> {
if(game != null) {
int numVariations = game.getBoard().getLog().getLast().getVariations().size();
int index;
if(numVariations == 1)
index = 1;
else
index = Integer.parseInt(JOptionPane.showInputDialog("Enter the variation index."));
if (game != null) {
int numVariations = game.getBoard().getLog().getLast().getVariations().size();
int index;
if (numVariations == 1) index = 1;
else index = Integer.parseInt(JOptionPane.showInputDialog("Enter the variation index."));
game.getBoard().selectNextNode(index);
getBoardPane().getOverlayComponent().clearArrow();
repaint();
@@ -152,7 +144,7 @@ public class GamePane extends JComponent {
for (int i = 0; i < 8; i++) {
numberPanel.add(new JLabel(String.valueOf(8 - i)));
JLabel letterLabel = new JLabel(String.valueOf((char) (65 + i)));
letterLabel.setHorizontalAlignment(JLabel.CENTER);
letterLabel.setHorizontalAlignment(SwingConstants.CENTER);
letterPanel.add(letterLabel);
}
@@ -172,7 +164,7 @@ public class GamePane extends JComponent {
// Listen to moves and game (re-)starts and update the move list or disable the
// color switching buttons if necessary
EventBus.getInstance().register(new Subscribable() {
EventBus.getInstance().register(new Subscriber() {
@Override
public void handle(Event<?> event) {

21
src/dev/kske/chess/ui/GameTabComponent.java
View File

@@ -1,22 +1,15 @@
package dev.kske.chess.ui;
import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.*;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import javax.swing.BorderFactory;
import javax.swing.JButton;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTabbedPane;
import javax.swing.*;
import javax.swing.plaf.basic.BasicButtonUI;
/**
* Renders the title and the closing button of a {@link JTabbedPane}.<br>
* <br>
* Project: <strong>Chess</strong><br>
* File: <strong>GameTabComponent.java</strong><br>
* Created: <strong>11 Dec 2019</strong><br>
@@ -29,6 +22,12 @@ public class GameTabComponent extends JPanel {
private static final long serialVersionUID = 9022979950018125935L;
/**
* Creates an instance of {@link GameTabComponent}.
*
* @param tabbedPane the tabbed pane which contains this
* {@link GameTabComponent}
*/
public GameTabComponent(JTabbedPane tabbedPane) {
super(new FlowLayout(FlowLayout.LEFT, 0, 0));
if (tabbedPane == null) throw new NullPointerException("TabbedPane is null");

28
src/dev/kske/chess/ui/MainWindow.java
View File

@@ -10,10 +10,7 @@ import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.util.List;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JTabbedPane;
import javax.swing.*;
import dev.kske.chess.board.Board;
import dev.kske.chess.board.FENString;
@@ -38,6 +35,8 @@ public class MainWindow extends JFrame {
/**
* Launch the application.
*
* @param args command line arguments are ignored
*/
public static void main(String[] args) {
EventQueue.invokeLater(() -> {
@@ -81,7 +80,7 @@ public class MainWindow extends JFrame {
}
/**
* @return The currently selected {@link GamePane} component
* @return the currently selected {@link GamePane} component
*/
public GamePane getSelectedGamePane() { return (GamePane) tabbedPane.getSelectedComponent(); }
@@ -89,7 +88,7 @@ public class MainWindow extends JFrame {
* Creates a new {@link GamePane}, adds it to the tabbed pane and opens it.
* The new tab has the title {@code Game n} where {@code n} is its number.
*
* @return The new {@link GamePane}
* @return the new {@link GamePane}
*/
public GamePane addGamePane() { return addGamePane("Game " + (tabbedPane.getTabCount() + 1)); }
@@ -97,7 +96,7 @@ public class MainWindow extends JFrame {
* Creates a new {@link GamePane}, adds it to the tabbed pane and opens it.
*
* @param title The title of the {@link GamePane}
* @return The new {@link GamePane}
* @return the new {@link GamePane}
*/
public GamePane addGamePane(String title) {
GamePane gamePane = new GamePane();
@@ -107,6 +106,15 @@ public class MainWindow extends JFrame {
return gamePane;
}
/**
* Creates a new {@link GamePane}, adds it to the tabbed pane and immediately
* displays a game configuration dialog for a new game on an existing
* {@link Board}.
*
* @param title the title of the {@link GamePane}
* @param board the {@link Board} with which the new {@link Game} is started
* @return the new {@link GamePane}
*/
public GamePane addGamePane(String title, Board board) {
GamePane gamePane = addGamePane(title);
DialogUtil.showGameConfigurationDialog(this,
@@ -168,6 +176,12 @@ public class MainWindow extends JFrame {
});
}
/**
* Saves the current {@link Game} as a file in {@code PGN} or {@code FEN}
* format.
*
* @param file the file in which to save the current {@link Game}
*/
public void saveFile(File file) {
final int dotIndex = file.getName().lastIndexOf('.');
final String extension = file.getName().substring(dotIndex).toLowerCase();

12
src/dev/kske/chess/ui/MenuBar.java
View File

@@ -4,10 +4,7 @@ import java.awt.Toolkit;
import java.awt.datatransfer.StringSelection;
import java.util.Arrays;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JOptionPane;
import javax.swing.*;
import javax.swing.filechooser.FileNameExtensionFilter;
import dev.kske.chess.board.FENString;
@@ -19,7 +16,7 @@ import dev.kske.chess.io.EngineUtil;
* Project: <strong>Chess</strong><br>
* File: <strong>MenuBar.java</strong><br>
* Created: <strong>16.07.2019</strong><br>
*
*
* @since Chess v0.1-alpha
* @author Kai S. K. Engelbart
*/
@@ -29,6 +26,11 @@ public class MenuBar extends JMenuBar {
private final MainWindow mainWindow;
/**
* Creates an instance of {@link MenuBar}.
*
* @param mainWindow the main window inside which this menu bar is contained
*/
public MenuBar(MainWindow mainWindow) {
this.mainWindow = mainWindow;

38
src/dev/kske/chess/ui/OverlayComponent.java
View File

@@ -1,12 +1,6 @@
package dev.kske.chess.ui;
import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Point;
import java.awt.Polygon;
import java.awt.Shape;
import java.awt.*;
import java.awt.geom.AffineTransform;
import java.util.ArrayList;
import java.util.List;
@@ -20,7 +14,7 @@ import dev.kske.chess.board.Position;
* Project: <strong>Chess</strong><br>
* File: <strong>OverlayComponent.java</strong><br>
* Created: <strong>08.07.2019</strong><br>
*
*
* @since Chess v0.1-alpha
* @author Kai S. K. Engelbart
*/
@@ -33,6 +27,12 @@ public class OverlayComponent extends JComponent {
private List<Position> dots;
private Move arrow;
/**
* Creates an instance of {@link OverlayComponent}.
*
* @param boardPane the board pane inside which this overlay component is
* contained
*/
public OverlayComponent(BoardPane boardPane) {
this.boardPane = boardPane;
dots = new ArrayList<>();
@@ -43,7 +43,7 @@ public class OverlayComponent extends JComponent {
protected void paintComponent(Graphics g) {
super.paintComponent(g);
final int tileSize = getTileSize();
final int tileSize = boardPane.getTileSize();
// Draw an arrow representing the last move and mark its position and
// destination
@@ -107,26 +107,46 @@ public class OverlayComponent extends JComponent {
return new Point((int) ((p1.x + p2.x) / 2.0), (int) ((p1.y + p2.y) / 2.0));
}
/**
* Displays green dots at a list of positions.
*
* @param dots the positions at which the dots should be displayed
*/
public void displayDots(List<Position> dots) {
this.dots.clear();
this.dots.addAll(dots);
repaint();
}
/**
* Clears all dots displayed at some positions.
*/
public void clearDots() {
dots.clear();
repaint();
}
/**
* Displays an arrow from the position to the destination of a move.
*
* @param arrow the move indicating the arrows position and destination
*/
public void displayArrow(Move arrow) {
this.arrow = arrow;
repaint();
}
/**
* Clears the arrow displayed to indicate a move.
*/
public void clearArrow() {
arrow = null;
repaint();
}
/**
* @return the size of one board tile in pixels.
* @see dev.kske.chess.ui.BoardPane#getTileSize()
*/
public int getTileSize() { return boardPane.getTileSize(); }
}