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before big code modification (moving player color in Board)

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Jean-Baptiste Hétier
2006-01-28 13:23:01 +00:00
parent 213b1e3bf0
commit 313cf91ef5
32 changed files with 487 additions and 278 deletions
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12
src/suicideChess/ComputerPlayer.java
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@ -9,7 +9,7 @@ import suicideChess.Square.NotAValidSquare;
/**
* This class will contain all the AI.
* @author Jean-Baptiste Hétier
* @version $LastChangedRevision: 33 $, $LastChangedDate: 2006-01-13 17:03:06 +0000 (Fri, 13 Jan 2006) $
* @version $LastChangedRevision$, $LastChangedDate$
*/
public class ComputerPlayer {
@ -52,7 +52,11 @@ public class ComputerPlayer {
*/
public static Move doMinMaxMove(Board bitboard, int color) throws NotAValidSquare, NoPieceOnSquare {
bestMove = null;
MinMax(bitboard, color, 0);
nodesSearched = 0;
int bestScore = MinMax(bitboard, color, 0);
if (SuicideChess.postThinkingOutput()) {
System.out.println(SuicideChess.PLY_DEPTH+" "+bestScore*100+" 0 "+nodesSearched+" "+bestMove);
}
return bestMove;
}
@ -61,6 +65,9 @@ public class ComputerPlayer {
if (currentDepth >= SuicideChess.PLY_DEPTH) {
return bitboard.getBoardValue();
}
nodesSearched++;
Rules.legalMovesForPlayer(bitboard,color);
ArrayList<Move> allLegalMoves = Rules.getLegalMovesCapture();
if (allLegalMoves.size()==0) {
@ -105,4 +112,5 @@ public class ComputerPlayer {
}
private static Move bestMove = null;
private static int nodesSearched;
}

64
src/suicideChess/SuicideChess.java
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@ -53,7 +53,7 @@ public class SuicideChess {
/**
* Change the color of the current player
*/
private static void changeCurrentPlayerColor() {
public static void changeCurrentPlayerColor() {
if(currentPlayerColor==Piece.WHITE) {
currentPlayerColor=Piece.BLACK;
if (ASCII_GAME)
@ -88,7 +88,41 @@ public class SuicideChess {
*/
private static boolean acceptedUsermove = false;
/**
* This array is used for undo purposes. Positions are sorted from last to first.
*/
private static ArrayList<Board> allPlayedPositions = new ArrayList<Board>();
/**
* This function is used to add a new position to the list of all positions
* @param position A {@link Board}
* @see Board
*/
private static void addPlayedPosition (Board position) {
allPlayedPositions.add(0,new Board(position));
}
/**
* This function is used to undo the last position played
*/
private static Board removePlayedPosition () {
changeCurrentPlayerColor();
allPlayedPositions.remove(0);
return allPlayedPositions.get(0);
}
/**
* This variable says whether the computer should display a "thinking output"
*/
private static boolean post = true;
/**
* Should computer display thinking output or not ?
* @return boolean
*/
public static boolean postThinkingOutput() {
return post;
}
/**
* The main function
* @param args No parameters should be transmitted to this function.
@ -106,6 +140,7 @@ public class SuicideChess {
BufferedReader moveInput = new BufferedReader(new InputStreamReader(System.in));
Board bitboard = new Board();
addPlayedPosition(bitboard);
if (ASCII_GAME) {
bitboard.display();
@ -145,7 +180,7 @@ public class SuicideChess {
playing=false;
break;
case XBoardProtocol.NEW:
System.out.println("variant suicide");
//System.out.println("variant suicide");
break;
case XBoardProtocol.HINT:
System.out.println("Hint: "+ComputerPlayer.doRandomMove(bitboard,currentPlayerColor));
@ -153,6 +188,24 @@ public class SuicideChess {
case XBoardProtocol.FORCE:
computerPlaying = false;
break;
case XBoardProtocol.PING:
System.out.println("pong "+whatMove.substring(5));
break;
case XBoardProtocol.REMOVE:
removePlayedPosition();
//no break here
case XBoardProtocol.UNDO:
bitboard=new Board(removePlayedPosition());
if (ASCII_GAME) {
bitboard.display();
}
break;
case XBoardProtocol.POST:
post=true;
break;
case XBoardProtocol.NOPOST:
post=false;
break;
case XBoardProtocol.UNKNOWN:
if (acceptedUsermove) {
System.out.println("Error (unknown command): "+whatMove);
@ -196,6 +249,8 @@ public class SuicideChess {
System.out.println("Illegal move: "+theMove.toString());
} else {
bitboard.doMove(allLegalMoves.get(foundMoveIndex));
changeCurrentPlayerColor();
addPlayedPosition(bitboard);
if (ASCII_GAME) {
allLegalMoves.get(foundMoveIndex).display();
System.out.println("Board value: "+bitboard.getBoardValue());
@ -216,7 +271,6 @@ public class SuicideChess {
if (!playedALegalMove) {
break;
}
changeCurrentPlayerColor();
//No break statement here on purpose.
case XBoardProtocol.GO:
//this is not really nice but it avoids having to write twice the code
@ -227,13 +281,14 @@ public class SuicideChess {
if (computerPlaying) {
Move computerMove = ComputerPlayer.doMinMaxMove(bitboard,currentPlayerColor);
bitboard.doMove(computerMove);
addPlayedPosition(bitboard);
XBoardProtocol.doMove(computerMove);
changeCurrentPlayerColor();
if (ASCII_GAME) {
computerMove.display();
System.out.println("Board value: "+bitboard.getBoardValue());
bitboard.display();
}
changeCurrentPlayerColor();
}
if (testWinningPosition(bitboard)) {
computerPlaying=false;
@ -280,6 +335,7 @@ public class SuicideChess {
continue;
} catch (Exception e) {
e.printStackTrace();
break;
}
}
}

37
src/suicideChess/XBoardProtocol.java
View File

@ -9,7 +9,7 @@ import java.io.IOException;
/**
* Class used to communicate with XBoard.
* @author Jean-Baptiste H&eacute;tier
* @version $LastChangedRevision: 33 $, $LastChangedDate: 2006-01-13 17:03:06 +0000 (Fri, 13 Jan 2006) $
* @version $LastChangedRevision$, $LastChangedDate$
*/
public class XBoardProtocol {
@ -62,6 +62,26 @@ public class XBoardProtocol {
* XBoard did not accept variant suicide chess
*/
public static final int NOT_ACCEPTED_SUICIDE = 11;
/**
* XBoard sent a ping signal
*/
public static final int PING = 12;
/**
* XBoard sent an Undo signal
*/
public static final int UNDO = 13;
/**
* Xboard sent a remove signal (treated at two undos)
*/
public static final int REMOVE = 14;
/**
* Xboard asks to display thinking output
*/
public static final int POST = 15;
/**
* Xboard asks NOT to display thinking output
*/
public static final int NOPOST = 16;
/**
* Unknown command
*/
@ -74,10 +94,11 @@ public class XBoardProtocol {
*/
public static void initialise() throws IOException {
//done=1 is here to tell that the program has finish requesting features
System.out.println("feature myname=\"djib's Suicide Chess\"");
System.out.println("feature sigint=0 sigterm=0");
System.out.println("feature usermove=1"); //sends moves like 'usermove e2e4'
System.out.println("feature myname=\"djib's Suicide Chess\"");
System.out.println("feature sigint=0 sigterm=0"); //do not interrupt me
System.out.println("feature variants=\"suicide\"");
System.out.println("feature ping=1");
System.out.println("feature time=0 draw=0 reuse=0 analyze=0 colors=0");
System.out.println("feature done=1");
if (SuicideChess.ASCII_GAME)
@ -123,6 +144,16 @@ public class XBoardProtocol {
return HINT;
} else if (command.equals("force")) {
return FORCE;
} else if (command.startsWith("ping")) {
return PING;
} else if (command.equals("undo")) {
return UNDO;
} else if (command.equals("remove")) {
return REMOVE;
} else if (command.equals("post")) {
return POST;
} else if (command.equals("nopost")) {
return NOPOST;
}
return UNKNOWN;