* Massachusetts.
*
* Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
- * 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014 Free Software Foundation, Inc.
+ * 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 Free Software Foundation, Inc.
*
* Enhancements Copyright 2005 Alessandro Scotti
*
int keepInfo = 0; /* [HGM] to protect PGN tags in auto-step game analysis */
static int initPing = -1;
int border; /* [HGM] width of board rim, needed to size seek graph */
+char bestMove[MSG_SIZ];
+int solvingTime, totalTime;
/* States for ics_getting_history */
#define H_FALSE 0
char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
char thinkOutput1[MSG_SIZ*10];
+char promoRestrict[MSG_SIZ];
ChessProgramState first, second, pairing;
if(!blackPlaysFirst) {
startedFromPositionFile = TRUE;
CopyBoard(filePosition, boards[0]);
+ CopyBoard(initialPosition, boards[0]);
}
}
if (initialMode == AnalyzeMode) {
} else
for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
if (p = StrCaseStr(e, variantNames[i])) {
- if(p && i >= VariantShogi && (p != e || isalpha(p[strlen(variantNames[i])]))) continue;
+ if(p && i >= VariantShogi && (p != e && !appData.icsActive || isalpha(p[strlen(variantNames[i])]))) continue;
v = (VariantClass) i;
found = TRUE;
break;
else SendToProgram(moveList[moveNum], cps);
} else
if(moveList[moveNum][4] == ';') { // [HGM] lion: move is double-step over intermediate square
- snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d\n", moveList[moveNum][0], moveList[moveNum][1] - '0', // convert to two moves
- moveList[moveNum][5], moveList[moveNum][6] - '0',
- moveList[moveNum][5], moveList[moveNum][6] - '0',
- moveList[moveNum][2], moveList[moveNum][3] - '0');
+ char *m = moveList[moveNum];
+ if((boards[moveNum][m[6]-ONE][m[5]-AAA] < BlackPawn) == (boards[moveNum][m[1]-ONE][m[0]-AAA] < BlackPawn)) // move is kludge to indicate castling
+ snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d\n", m[0], m[1] - '0', // convert to two moves
+ m[2], m[3] - '0',
+ m[5], m[6] - '0',
+ m[2] + (m[0] > m[5] ? 1 : -1), m[3] - '0');
+ else
+ snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d\n", m[0], m[1] - '0', // convert to two moves
+ m[5], m[6] - '0',
+ m[5], m[6] - '0',
+ m[2], m[3] - '0');
SendToProgram(buf, cps);
} else
if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
case WhitePromotion:
case BlackPromotion:
if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
- gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN)
+ gameInfo.variant == VariantMakruk)
snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
PieceToChar(WhiteFerz));
SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
}
-int killX = -1, killY = -1; // [HGM] lion: used for passing e.p. capture square to MakeMove
+int killX = -1, killY = -1, kill2X = -1, kill2Y = -1; // [HGM] lion: used for passing e.p. capture square to MakeMove
int legNr = 1;
void
-CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[7])
+CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[9])
{
if (rf == DROP_RANK) {
if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
if (promoChar == 'x' || promoChar == NULLCHAR) {
sprintf(move, "%c%c%c%c\n",
AAA + ff, ONE + rf, AAA + ft, ONE + rt);
- if(killX >= 0 && killY >= 0) sprintf(move+4, ";%c%c\n", AAA + killX, ONE + killY);
+ if(killX >= 0 && killY >= 0) {
+ sprintf(move+4, ";%c%c\n", AAA + killX, ONE + killY);
+ if(kill2X >= 0 && kill2Y >= 0) sprintf(move+7, "%c%c\n", AAA + killX, ONE + killY);
+ }
} else {
sprintf(move, "%c%c%c%c%c\n",
AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
if(step && !(toggleFlag && Partner(&promoSweep))) promoSweep -= step;
if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
else if((int)promoSweep == -1) promoSweep = WhiteKing;
- else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
- else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
+ else if(promoSweep == BlackPawn && step < 0 && !toggleFlag) promoSweep = WhitePawn;
+ else if(promoSweep == WhiteKing && step > 0 && !toggleFlag) promoSweep = BlackKing;
if(!step) step = -1;
- } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
+ } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' ||
!toggleFlag && PieceToChar(promoSweep) == '+' || // skip promoted versions of other
+ promoRestrict[0] ? !strchr(promoRestrict, ToUpper(PieceToChar(promoSweep))) : // if choice set available, use it
+ promoSweep == pawn ||
appData.testLegality && (promoSweep == king || gameInfo.variant != VariantChuChess &&
(promoSweep == WhiteLion || promoSweep == BlackLion)));
if(toX >= 0) {
case BlackASideCastleFR:
/* End of code added by Tord */
case IllegalMove: /* bug or odd chess variant */
+ if(currentMoveString[1] == '@') { // illegal drop
+ *fromX = WhiteOnMove(moveNum) ?
+ (int) CharToPiece(ToUpper(currentMoveString[0])) :
+ (int) CharToPiece(ToLower(currentMoveString[0]));
+ goto drop;
+ }
*fromX = currentMoveString[0] - AAA;
*fromY = currentMoveString[1] - ONE;
*toX = currentMoveString[2] - AAA;
*fromX = *moveType == WhiteDrop ?
(int) CharToPiece(ToUpper(currentMoveString[0])) :
(int) CharToPiece(ToLower(currentMoveString[0]));
+ drop:
*fromY = DROP_RANK;
*toX = currentMoveString[2] - AAA;
*toY = currentMoveString[3] - ONE;
}
int
-MultiPV (ChessProgramState *cps)
+MultiPV (ChessProgramState *cps, int kind)
{ // check if engine supports MultiPV, and if so, return the number of the option that sets it
int i;
- for(i=0; i<cps->nrOptions; i++)
- if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
- return i;
+ for(i=0; i<cps->nrOptions; i++) {
+ char *s = cps->option[i].name;
+ if((kind & 1) && !StrCaseCmp(s, "MultiPV") && cps->option[i].type == Spin) return i;
+ if((kind & 2) && StrCaseStr(s, "multi") && StrCaseStr(s, "PV")
+ && StrCaseStr(s, "margin") && cps->option[i].type == Spin) return -i-2;
+ }
return -1;
}
Boolean extendGame; // signals to UnLoadPV() if walked part of PV has to be appended to game
+static int multi, pv_margin;
+static ChessProgramState *activeCps;
Boolean
LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end, int pane)
{
- int startPV, multi, lineStart, origIndex = index;
+ int startPV, lineStart, origIndex = index;
char *p, buf2[MSG_SIZ];
ChessProgramState *cps = (pane ? &second : &first);
do{ while(buf[index] && buf[index] != '\n') index++;
} while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
buf[index] = 0;
- if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(cps)) >= 0) {
- int n = cps->option[multi].value;
- if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
+ if(lineStart == 0 && gameMode == AnalyzeMode) {
+ int n = 0;
+ if(origIndex > 17 && origIndex < 24) n--; else if(origIndex > index - 6) n++;
+ if(n == 0) { // click not on "fewer" or "more"
+ if((multi = -2 - MultiPV(cps, 2)) >= 0) {
+ pv_margin = cps->option[multi].value;
+ activeCps = cps; // non-null signals margin adjustment
+ }
+ } else if((multi = MultiPV(cps, 1)) >= 0) {
+ n += cps->option[multi].value; if(n < 1) n = 1;
snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
if(cps->option[multi].value != n) SendToProgram(buf2, cps);
cps->option[multi].value = n;
*start = *end = 0;
return FALSE;
+ }
} else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
ExcludeClick(origIndex - lineStart);
return FALSE;
UnLoadPV ()
{
int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
+ if(activeCps) {
+ if(pv_margin != activeCps->option[multi].value) {
+ char buf[MSG_SIZ];
+ snprintf(buf, MSG_SIZ, "option %s=%d\n", "Multi-PV Margin", pv_margin);
+ SendToProgram(buf, activeCps);
+ activeCps->option[multi].value = pv_margin;
+ }
+ activeCps = NULL;
+ return;
+ }
if(endPV < 0) return;
if(appData.autoCopyPV) CopyFENToClipboard();
endPV = -1;
{ // step through PV based on mouse coordinates (called on mouse move)
int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
+ if(activeCps) { // adjusting engine's multi-pv margin
+ if(x > lastX) pv_margin++; else
+ if(x < lastX) pv_margin -= (pv_margin > 0);
+ if(x != lastX) {
+ char buf[MSG_SIZ];
+ snprintf(buf, MSG_SIZ, "margin = %d", pv_margin);
+ DisplayMessage(buf, "");
+ }
+ lastX = x;
+ return;
+ }
// we must somehow check if right button is still down (might be released off board!)
if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
}
int
-SetCharTable (char *table, const char * map)
+ptclen (const char *s, char *escapes)
+{
+ int n = 0;
+ if(!*escapes) return strlen(s);
+ while(*s) n += (*s != '/' && !strchr(escapes, *s)), s++;
+ return n;
+}
+
+int
+SetCharTableEsc (unsigned char *table, const char * map, char * escapes)
/* [HGM] moved here from winboard.c because of its general usefulness */
/* Basically a safe strcpy that uses the last character as King */
{
- int result = FALSE; int NrPieces;
+ int result = FALSE; int NrPieces, offs;
- if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
+ if( map != NULL && (NrPieces=ptclen(map, escapes)) <= (int) EmptySquare
&& NrPieces >= 12 && !(NrPieces&1)) {
- int i; /* [HGM] Accept even length from 12 to 34 */
+ int i, j = 0; /* [HGM] Accept even length from 12 to 88 */
for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
- for( i=0; i<NrPieces/2-1; i++ ) {
- table[i] = map[i];
- table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
+ for( i=offs=0; i<NrPieces/2-1; i++ ) {
+ char *p;
+ if(map[j] == '/' && *escapes) offs = WhiteTokin - i, j++;
+ table[i + offs] = map[j++];
+ if(p = strchr(escapes, map[j])) j++, table[i + offs] += 64*(p - escapes + 1);
+ }
+ table[(int) WhiteKing] = map[j++];
+ for( i=offs=0; i<NrPieces/2-1; i++ ) {
+ char *p;
+ if(map[j] == '/' && *escapes) offs = WhiteTokin - i, j++;
+ table[WHITE_TO_BLACK i + offs] = map[j++];
+ if(p = strchr(escapes, map[j])) j++, table[WHITE_TO_BLACK i + offs] += 64*(p - escapes + 1);
}
- table[(int) WhiteKing] = map[NrPieces/2-1];
- table[(int) BlackKing] = map[NrPieces-1];
+ table[(int) BlackKing] = map[j++];
result = TRUE;
}
return result;
}
+int
+SetCharTable (unsigned char *table, const char * map)
+{
+ return SetCharTableEsc(table, map, "");
+}
+
void
Prelude (Board board)
{ // [HGM] superchess: random selection of exo-pieces
gameInfo.boardWidth = 12;
gameInfo.boardHeight = 12;
nrCastlingRights = 0;
- SetCharTable(pieceToChar, "P.BRQSEXOGCATHD.VMLIFN+.++.++++++++++.+++++K"
- "p.brqsexogcathd.vmlifn+.++.++++++++++.+++++k");
+ SetCharTableEsc(pieceToChar, "P.BRQSEXOGCATHD.VMLIFN/+.++.++++++++++.+++++K"
+ "p.brqsexogcathd.vmlifn/+.++.++++++++++.+++++k", SUFFIXES);
break;
case VariantCourier:
pieces = CourierArray;
/* User pieceToChar list overrules defaults */
if(appData.pieceToCharTable != NULL)
- SetCharTable(pieceToChar, appData.pieceToCharTable);
+ SetCharTableEsc(pieceToChar, appData.pieceToCharTable, SUFFIXES);
for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
if ((int) *bp < (int) BlackPawn) {
if(j == BOARD_RGHT+1)
snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
- else snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp), AAA + j, ONE + i);
+ else snprintf(message, MSG_SIZ, "%c%c%d\n", PieceToChar(*bp), AAA + j, ONE + i - '0');
if(message[0] == '+' || message[0] == '~') {
- snprintf(message, MSG_SIZ,"%c%c%c+\n",
+ snprintf(message, MSG_SIZ,"%c%c%d+\n",
PieceToChar((ChessSquare)(DEMOTED *bp)),
- AAA + j, ONE + i);
+ AAA + j, ONE + i - '0');
}
if(cps->alphaRank) { /* [HGM] shogi: translate coords */
message[1] = BOARD_RGHT - 1 - j + '1';
&& ((int) *bp >= (int) BlackPawn)) {
if(j == BOARD_LEFT-2)
snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
- else snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
- AAA + j, ONE + i);
+ else snprintf(message,MSG_SIZ, "%c%c%d\n", ToUpper(PieceToChar(*bp)),
+ AAA + j, ONE + i - '0');
if(message[0] == '+' || message[0] == '~') {
- snprintf(message, MSG_SIZ,"%c%c%c+\n",
+ snprintf(message, MSG_SIZ,"%c%c%d+\n",
PieceToChar((ChessSquare)(DEMOTED *bp)),
- AAA + j, ONE + i);
+ AAA + j, ONE + i - '0');
}
if(cps->alphaRank) { /* [HGM] shogi: translate coords */
message[1] = BOARD_RGHT - 1 - j + '1';
{
ChessSquare result;
if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
- gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN)
+ gameInfo.variant == VariantMakruk)
result = WhiteFerz; // no choice
+ else if(gameInfo.variant == VariantASEAN)
+ result = WhiteRook; // no choice
else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
result= WhiteKing; // in Suicide Q is the last thing we want
else if(gameInfo.variant == VariantSpartan)
promotionZoneSize = BOARD_HEIGHT/3;
highestPromotingPiece = (p >= WhiteLion || PieceToChar(piece + 22) == '.') ? WhitePawn : WhiteLion;
} else if(gameInfo.variant == VariantShogi) {
- promotionZoneSize = BOARD_HEIGHT/3;
+ promotionZoneSize = BOARD_HEIGHT/3 +(BOARD_HEIGHT == 8);
highestPromotingPiece = (int)WhiteAlfil;
} else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
promotionZoneSize = 3;
// we either have a choice what to promote to, or (in Shogi) whether to promote
if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
- gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN) {
+ gameInfo.variant == VariantMakruk) {
ChessSquare p=BlackFerz; // no choice
while(p < EmptySquare) { //but make sure we use piece that exists
*promoChoice = PieceToChar(p++);
if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame || PosFlags(0) & F_NULL_MOVE)) moveType = NormalMove;
+ if(moveType == IllegalMove && legal[toY][toX] > 1) moveType = NormalMove; // someone explicitly told us this move is legal
+
/* [HGM] but possibly ignore an IllegalMove result */
if (appData.testLegality) {
if (moveType == IllegalMove || moveType == ImpossibleMove) {
if(addToBookFlag) { // adding moves to book
char buf[MSG_SIZ], move[MSG_SIZ];
CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, move);
+ if(killX >= 0) snprintf(move, MSG_SIZ, "%c%dx%c%d-%c%d", fromX + AAA, fromY + ONE - '0', killX + AAA, killY + ONE - '0', toX + AAA, toY + ONE - '0');
snprintf(buf, MSG_SIZ, " 0.0%% 1 %s\n", move);
AddBookMove(buf);
addToBookFlag = FALSE;
int s = 0;
marker[r][f] = 0;
if(*fen == 'M') legal[r][f] = 2; else // request promotion choice
- if(*fen >= 'A' && *fen <= 'Z') legal[r][f] = 1; else
+ if(*fen >= 'A' && *fen <= 'Z') legal[r][f] = 3; else
if(*fen >= 'a' && *fen <= 'z') *fen += 'A' - 'a';
if(*fen == '/' && f > BOARD_LEFT) f = BOARD_LEFT, r--; else
if(*fen == 'T') marker[r][f++] = 0; else
if(rf == fromY && ff == fromX && (killX < 0 ? !(rt == rf && ft == ff) && legNr & 1 : rt == killY && ft == killX || legNr & 2))
(*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
|| kind == WhiteCapturesEnPassant
- || kind == BlackCapturesEnPassant) + 3*(kind == FirstLeg && killX < 0), legal[rt][ft] = 1;
- else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3, legal[rt][ft] = 1;
+ || kind == BlackCapturesEnPassant) + 3*(kind == FirstLeg && killX < 0), legal[rt][ft] = 3;
+ else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3, legal[rt][ft] = 3;
}
static int hoverSavedValid;
if(IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantXiangqi ||
gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
- gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN) return FALSE;
+ gameInfo.variant == VariantMakruk) return FALSE;
return (piece == BlackPawn && y <= zone ||
piece == WhitePawn && y >= BOARD_HEIGHT-1-zone ||
piece == BlackLance && y <= zone ||
DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
promoSweep = defaultPromoChoice;
- selectFlag = 0; lastX = xPix; lastY = yPix;
+ selectFlag = 0; lastX = xPix; lastY = yPix; *promoRestrict = 0;
Sweep(0); // Pawn that is going to promote: preview promotion piece
DisplayMessage("", _("Pull pawn backwards to under-promote"));
}
toP = boards[currentMove][y][x];
frc = appData.fischerCastling || gameInfo.variant == VariantSChess;
if( (killX < 0 || x != fromX || y != fromY) && // [HGM] lion: do not interpret igui as deselect!
- legal[y][x] == 0 && // if engine told we can move to here, do it even if own piece
+ marker[y][x] == 0 && // if engine told we can move to here, do it even if own piece
((WhitePawn <= fromP && fromP <= WhiteKing &&
WhitePawn <= toP && toP <= WhiteKing &&
!(fromP == WhiteKing && toP == WhiteRook && frc) &&
else gatingPiece = doubleClick ? fromP : EmptySquare;
fromX = x;
fromY = y; dragging = 1;
- ReportClick("lift", x, y);
+ if(!second) ReportClick("lift", x, y);
MarkTargetSquares(0);
DragPieceBegin(xPix, yPix, FALSE);
if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
promoSweep = defaultPromoChoice;
- selectFlag = 0; lastX = xPix; lastY = yPix;
+ selectFlag = 0; lastX = xPix; lastY = yPix; *promoRestrict = 0;
Sweep(0); // Pawn that is going to promote: preview promotion piece
}
}
if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
}
- if (clickType == Release && x == fromX && y == fromY && killX < 0) {
+ if(x == fromX && y == fromY && clickType == Press && gameMode == EditPosition && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
+ gatingPiece = boards[currentMove][fromY][fromX]; // prepare to copy rather than move
+ DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
+ return;
+ }
+
+ if (clickType == Release && x == fromX && y == fromY && killX < 0 && !sweepSelecting) {
DragPieceEnd(xPix, yPix); dragging = 0;
if(clearFlag) {
// a deferred attempt to click-click move an empty square on top of a piece
/* Undo animation damage if any */
DrawPosition(FALSE, NULL);
}
- if (second || sweepSelecting) {
+ if (second) {
/* Second up/down in same square; just abort move */
- if(sweepSelecting) DrawPosition(FALSE, boards[currentMove]);
- second = sweepSelecting = 0;
+ second = 0;
fromX = fromY = -1;
gatingPiece = EmptySquare;
MarkTargetSquares(1);
promoSweep = defaultPromoChoice;
if(gameInfo.variant != VariantChuChess && PieceToChar(CHUPROMOTED piece) == '+') promoSweep = CHUPROMOTED piece;
selectFlag = 0; lastX = xPix; lastY = yPix;
+ ReportClick("put", x, y); // extra put to prompt engine for 'choice' command
Sweep(0); // Pawn that is going to promote: preview promotion piece
sweepSelecting = 1;
DisplayMessage("", _("Pull pawn backwards to under-promote"));
}
} else if(sweepSelecting) { // this must be the up-click corresponding to the down-click that started the sweep
sweepSelecting = 0; appData.animate = FALSE; // do not animate, a selected piece already on to-square
+ *promoRestrict = 0;
if (appData.animate || appData.highlightLastMove) {
SetHighlights(fromX, fromY, toX, toY);
} else {
if(marker[y][x] == 5) { // [HGM] lion: this was the release of a to-click or drag on a cyan square
dragging *= 2; // flag button-less dragging if we are dragging
MarkTargetSquares(1);
- if(x == killX && y == killY) killX = killY = -1; else {
+ if(x == killX && y == killY) killX = kill2X, killY = kill2Y, kill2X = kill2Y = -1; // cancel last kill
+ else {
+ kill2X = killX; kill2Y = killY;
killX = x; killY = y; //remeber this square as intermediate
ReportClick("put", x, y); // and inform engine
ReportClick("lift", x, y);
if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
- if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
+ if(legal[toY][toX] == 2) promoChoice = ToLower(PieceToChar(defaultPromoChoice)); // highlight-induced promotion
+
+ if (legal[toY][toX] == 2 && !appData.sweepSelect || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
SetHighlights(fromX, fromY, toX, toY);
MarkTargetSquares(1);
if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
// most tests only when we understand the game, i.e. legality-checking on
if( appData.testLegality )
{ /* [HGM] Some more adjudications for obstinate engines */
- int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
+ int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+2], i;
static int moveCount = 6;
ChessMove result;
char *reason = NULL;
static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
static ChessProgramState *stalledEngine;
-static char stashedInputMove[MSG_SIZ];
+static char stashedInputMove[MSG_SIZ], abortEngineThink;
void
HandleMachineMove (char *message, ChessProgramState *cps)
return;
}
+ if(cps->usePing) {
+
/* This method is only useful on engines that support ping */
+ if(abortEngineThink) {
+ if (appData.debugMode) {
+ fprintf(debugFP, "Undoing move from aborted think of %s\n", cps->which);
+ }
+ SendToProgram("undo\n", cps);
+ return;
+ }
+
if (cps->lastPing != cps->lastPong) {
- if (gameMode == BeginningOfGame) {
/* Extra move from before last new; ignore */
if (appData.debugMode) {
fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
}
- } else {
- if (appData.debugMode) {
- fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
- cps->which, gameMode);
- }
-
- SendToProgram("undo\n", cps);
- }
return;
}
+ } else {
+
switch (gameMode) {
case BeginningOfGame:
/* Extra move from before last reset; ignore */
}
return;
}
+ }
if(cps->alphaRank) AlphaRank(machineMove, 4);
// [HGM] lion: (some very limited) support for Alien protocol
- killX = killY = -1;
+ killX = killY = kill2X = kill2Y = -1;
if(machineMove[strlen(machineMove)-1] == ',') { // move ends in coma: non-final leg of composite move
safeStrCpy(firstLeg, machineMove, 20); // just remember it for processing when second leg arrives
return;
- } else if(firstLeg[0]) { // there was a previous leg;
- // only support case where same piece makes two step (and don't even test that!)
+ }
+ if(p = strchr(machineMove, ',')) { // we got both legs in one (happens on book move)
+ safeStrCpy(firstLeg, machineMove, 20); // kludge: fake we received the first leg earlier, and clip it off
+ safeStrCpy(machineMove, firstLeg + (p - machineMove) + 1, 20);
+ }
+ if(firstLeg[0]) { // there was a previous leg;
+ // only support case where same piece makes two step
char buf[20], *p = machineMove+1, *q = buf+1, f;
safeStrCpy(buf, machineMove, 20);
while(isdigit(*q)) q++; // find start of to-square
safeStrCpy(machineMove, firstLeg, 20);
- while(isdigit(*p)) p++;
+ while(isdigit(*p)) p++; // to-square of first leg (which is now copied to machineMove)
+ if(*p == *buf) // if first-leg to not equal to second-leg from first leg says unmodified (assume it ia King move of castling)
safeStrCpy(p, q, 20); // glue to-square of second leg to from-square of first, to process over-all move
sscanf(buf, "%c%d", &f, &killY); killX = f - AAA; killY -= ONE - '0'; // pass intermediate square to MakeMove in global
firstLeg[0] = NULLCHAR;
snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
machineMove, _(cps->which));
DisplayMoveError(buf1);
- snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c via %c%c) res=%d",
- machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, killX+AAA, killY+ONE, moveType);
+ snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c via %c%c, %c%c) res=%d",
+ machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, killX+AAA, killY+ONE, kill2X+AAA, kill2Y+ONE, moveType);
if (gameMode == TwoMachinesPlay) {
GameEnds(machineWhite ? BlackWins : WhiteWins,
buf1, GE_XBOARD);
free(fen);
GameEnds(GameUnfinished, NULL, GE_XBOARD);
}
+ if(appData.epd) {
+ if(solvingTime >= 0) {
+ snprintf(buf1, MSG_SIZ, "%d. %4.2fs\n", matchGame, solvingTime/100.);
+ totalTime += solvingTime; first.matchWins++;
+ } else {
+ snprintf(buf1, MSG_SIZ, "%d. wrong (%s)\n", matchGame, parseList[backwardMostMove]);
+ second.matchWins++;
+ }
+ OutputKibitz(2, buf1);
+ GameEnds(GameUnfinished, NULL, GE_XBOARD);
+ }
/* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
if( gameMode == TwoMachinesPlay && appData.adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
*buf = NULLCHAR;
if(sscanf(message, "setup (%s", buf) == 1) {
- s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
+ s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTableEsc(pieceToChar, buf, SUFFIXES);
ASSIGN(appData.pieceToCharTable, buf);
}
dummy = sscanf(message+s, "%dx%d+%d_%s", &w, &h, &hand, varName);
appData.NrFiles = w; appData.NrRanks = h; appData.holdingsSize = hand;
if(dummy == 4) gameInfo.variant = StringToVariant(varName); // parent variant
InitPosition(1); // calls InitDrawingSizes to let new parameters take effect
- if(*buf) SetCharTable(pieceToChar, buf); // do again, for it was spoiled by InitPosition
+ if(*buf) SetCharTableEsc(pieceToChar, buf, SUFFIXES); // do again, for it was spoiled by InitPosition
startedFromSetupPosition = FALSE;
}
}
}
if(sscanf(message, "piece %s %s", buf2, buf1) == 2) {
ChessSquare piece = WhitePawn;
- char *p=buf2;
- if(*p == '+') piece = CHUPROMOTED WhitePawn, p++;
- piece += CharToPiece(*p) - WhitePawn;
+ char *p=message+6, *q, *s = SUFFIXES, ID = *p;
+ if(*p == '+') piece = CHUPROMOTED WhitePawn, ID = *++p;
+ if(q = strchr(s, p[1])) ID += 64*(q - s + 1), p++;
+ piece += CharToPiece(ID & 255) - WhitePawn;
if(cps != &first || appData.testLegality && *engineVariant == NULLCHAR
/* always accept definition of */ && piece != WhiteFalcon && piece != BlackFalcon
/* wild-card pieces. */ && piece != WhiteCobra && piece != BlackCobra
if(piece < EmptySquare) {
pieceDefs = TRUE;
ASSIGN(pieceDesc[piece], buf1);
- if(isupper(*p) && p[1] == '&') { ASSIGN(pieceDesc[WHITE_TO_BLACK piece], buf1); }
+ if((ID & 32) == 0 && p[1] == '&') { ASSIGN(pieceDesc[WHITE_TO_BLACK piece], buf1); }
}
return;
}
+ if(sscanf(message, "choice %s", promoRestrict) == 1 && promoSweep != EmptySquare) {
+ promoSweep = PieceToChar(forwardMostMove&1 ? ToLower(*promoRestrict) : ToUpper(*promoRestrict));
+ Sweep(0);
+ return;
+ }
/* [HGM] Allow engine to set up a position. Don't ask me why one would
* want this, I was asked to put it in, and obliged.
*/
}
initPing = -1;
}
+ if(cps->lastPing == cps->lastPong && abortEngineThink) {
+ abortEngineThink = FALSE;
+ DisplayMessage("", "");
+ ThawUI();
+ }
return;
}
if(!strncmp(message, "highlight ", 10)) {
- if(appData.testLegality && appData.markers) return;
+ if(appData.testLegality && !*engineVariant && appData.markers) return;
MarkByFEN(message+10); // [HGM] alien: allow engine to mark board squares
return;
}
buf1[0] = NULLCHAR;
if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
&plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
+ char score_buf[MSG_SIZ];
if(nodes>>32 == u64Const(0xFFFFFFFF)) // [HGM] negative node count read
nodes += u64Const(0x100000000);
if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
+ if(*bestMove) { // rememer time best EPD move was first found
+ int ff1, tf1, fr1, tr1, ff2, tf2, fr2, tr2; char pp1, pp2;
+ ChessMove mt;
+ int ok = ParseOneMove(bestMove, forwardMostMove, &mt, &ff1, &fr1, &tf1, &tr1, &pp1);
+ ok &= ParseOneMove(pv, forwardMostMove, &mt, &ff2, &fr2, &tf2, &tr2, &pp2);
+ solvingTime = (ok && ff1==ff2 && fr1==fr2 && tf1==tf2 && tr1==tr2 && pp1==pp2 ? time : -1);
+ }
+
if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
char buf[MSG_SIZ];
FILE *f;
[AS] Protect the thinkOutput buffer from overflow... this
is only useful if buf1 hasn't overflowed first!
*/
- snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
+ if(curscore >= MATE_SCORE)
+ snprintf(score_buf, MSG_SIZ, "#%d", curscore - MATE_SCORE);
+ else if(curscore <= -MATE_SCORE)
+ snprintf(score_buf, MSG_SIZ, "#%d", curscore + MATE_SCORE);
+ else
+ snprintf(score_buf, MSG_SIZ, "%+.2f", ((double) curscore) / 100.0);
+ snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%s %s%s",
plylev,
(gameMode == TwoMachinesPlay ?
ToUpper(cps->twoMachinesColor[0]) : ' '),
- ((double) curscore) / 100.0,
+ score_buf,
prefixHint ? lastHint : "",
prefixHint ? " " : "" );
void
ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
{
- ChessSquare captured = board[toY][toX], piece, pawn, king, killed; int p, rookX, oldEP, epRank, berolina = 0;
+ ChessSquare captured = board[toY][toX], piece, pawn, king, killed, killed2; int p, rookX, oldEP, epRank, berolina = 0;
int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess ? 3 : 1;
/* [HGM] compute & store e.p. status and castling rights for new position */
// ChessSquare victim;
int i;
- if( killX >= 0 && killY >= 0 ) // [HGM] lion: Lion trampled over something
+ if( killX >= 0 && killY >= 0 ) { // [HGM] lion: Lion trampled over something
// victim = board[killY][killX],
killed = board[killY][killX],
board[killY][killX] = EmptySquare,
board[EP_STATUS] = EP_CAPTURE;
+ if( kill2X >= 0 && kill2Y >= 0)
+ killed2 = board[kill2Y][kill2X], board[kill2Y][kill2X] = EmptySquare;
+ }
if( board[toY][toX] != EmptySquare ) {
board[EP_STATUS] = EP_CAPTURE;
if(gameInfo.variant == VariantKnightmate)
king += (int) WhiteUnicorn - (int) WhiteKing;
- if(piece != WhiteKing && piece != BlackKing && pieceDesc[piece] && killX >= 0 && strchr(pieceDesc[piece], 'O') // Betza castling-enabled
- && (piece < BlackPawn ? killed < BlackPawn : killed >= BlackPawn)) { // and captures own
+ if(pieceDesc[piece] && killX >= 0 && strchr(pieceDesc[piece], 'O') // Betza castling-enabled
+ && (piece < BlackPawn ? killed < BlackPawn : killed >= BlackPawn)) { // and tramples own
board[toY][toX] = piece; board[fromY][fromX] = EmptySquare;
board[toY][toX + (killX < fromX ? 1 : -1)] = killed;
board[EP_STATUS] = EP_NONE; // capture was fake!
} else
+ if(nrCastlingRights == 0 && board[toY][toX] < EmptySquare && (piece < BlackPawn) == (board[toY][toX] < BlackPawn)) {
+ board[fromY][fromX] = board[toY][toX]; // capture own will lead to swapping
+ board[toY][toX] = piece;
+ board[EP_STATUS] = EP_NONE; // capture was fake!
+ } else
/* Code added by Tord: */
/* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
}
/* End of code added by Tord */
+ } else if (pieceDesc[piece] && piece == king && !strchr(pieceDesc[piece], 'O') && strchr(pieceDesc[piece], 'i')) {
+ board[fromY][fromX] = EmptySquare; // never castle if King has virgin moves defined on it other than castling
+ board[toY][toX] = piece;
} else if (board[fromY][fromX] == king
&& fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
&& toY == fromY && toX > fromX+1) {
+ for(rookX=fromX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT-1; rookX++); // castle with nearest piece
+ board[fromY][toX-1] = board[fromY][rookX];
+ board[fromY][rookX] = EmptySquare;
board[fromY][fromX] = EmptySquare;
board[toY][toX] = king;
- for(rookX=BOARD_RGHT-1; board[toY][rookX] == DarkSquare && rookX > toX + 1; rookX--);
- board[toY][toX-1] = board[fromY][rookX];
- board[fromY][rookX] = EmptySquare;
} else if (board[fromY][fromX] == king
&& fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
&& toY == fromY && toX < fromX-1) {
+ for(rookX=fromX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--); // castle with nearest piece
+ board[fromY][toX+1] = board[fromY][rookX];
+ board[fromY][rookX] = EmptySquare;
board[fromY][fromX] = EmptySquare;
board[toY][toX] = king;
- for(rookX=BOARD_LEFT; board[toY][rookX] == DarkSquare && rookX < toX - 1; rookX++);
- board[toY][toX+1] = board[fromY][rookX];
- board[fromY][rookX] = EmptySquare;
} else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
&& toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
} else if (board[fromY][fromX] == king
&& fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
&& toY == fromY && toX > fromX+1) {
+ for(rookX=toX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT - 1; rookX++);
+ board[fromY][toX-1] = board[fromY][rookX];
+ board[fromY][rookX] = EmptySquare;
board[fromY][fromX] = EmptySquare;
board[toY][toX] = king;
- for(rookX=BOARD_RGHT-1; board[toY][rookX] == DarkSquare && rookX > toX + 1; rookX--);
- board[toY][toX-1] = board[fromY][rookX];
- board[fromY][rookX] = EmptySquare;
} else if (board[fromY][fromX] == king
&& fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
&& toY == fromY && toX < fromX-1) {
+ for(rookX=toX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--);
+ board[fromY][toX+1] = board[fromY][rookX];
+ board[fromY][rookX] = EmptySquare;
board[fromY][fromX] = EmptySquare;
board[toY][toX] = king;
- for(rookX=BOARD_LEFT; board[toY][rookX] == DarkSquare && rookX < toX - 1; rookX++);
- board[toY][toX+1] = board[fromY][rookX];
- board[fromY][rookX] = EmptySquare;
} else if (fromY == 7 && fromX == 3
&& board[fromY][fromX] == BlackKing
&& toY == 7 && toX == 5) {
&& gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
&& gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
&& result != GameIsDrawn)
- { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
+ { int i, j, k=0, oppoKings = 0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
int p = (signed char)boards[forwardMostMove][i][j] - color;
if(p >= 0 && p <= (int)WhiteKing) k++;
+ oppoKings += (p + color == WhiteKing + BlackPawn - color);
}
if (appData.debugMode) {
fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
result, resultDetails ? resultDetails : "(null)", whosays, k, color);
}
- if(k <= 1) {
+ if(k <= 1 && oppoKings > 0) { // the latter needed in Atomic, where bare K wins if opponent King already destroyed
result = GameIsDrawn;
snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
resultDetails = buf;
case BlackASideCastleFR:
/* POP Fabien */
if (appData.debugMode)
- fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
+ fprintf(debugFP, "Parsed %s into %s virgin=%x,%x\n", yy_text, currentMoveString, boards[forwardMostMove][TOUCHED_W], boards[forwardMostMove][TOUCHED_B]);
fromX = currentMoveString[0] - AAA;
fromY = currentMoveString[1] - ONE;
toX = currentMoveString[2] - AAA;
if (appData.debugMode)
fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
yy_text, currentMoveString);
- fromX = currentMoveString[0] - AAA;
- fromY = currentMoveString[1] - ONE;
+ if(currentMoveString[1] == '@') {
+ fromX = CharToPiece(WhiteOnMove(currentMove) ? ToUpper(currentMoveString[0]) : ToLower(currentMoveString[0]));
+ fromY = DROP_RANK;
+ } else {
+ fromX = currentMoveString[0] - AAA;
+ fromY = currentMoveString[1] - ONE;
+ }
toX = currentMoveString[2] - AAA;
toY = currentMoveString[3] - ONE;
promoChar = currentMoveString[4];
int numPGNTags = 0;
int err, pos = -1;
GameMode oldGameMode;
- VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
+ VariantClass v, oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
+ char oldName[MSG_SIZ];
+
+ safeStrCpy(oldName, engineVariant, MSG_SIZ); v = oldVariant;
if (appData.debugMode)
fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
gameInfo.event = StrSave(yy_text);
}
- startedFromSetupPosition = FALSE;
+ startedFromSetupPosition = startedFromPositionFile; // [HGM]
while (cm == PGNTag) {
if (appData.debugMode)
fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
StartChessProgram(&first);
}
InitChessProgram(&first, FALSE);
+ if(gameInfo.variant == VariantUnknown && *oldName) {
+ safeStrCpy(engineVariant, oldName, MSG_SIZ);
+ gameInfo.variant = v;
+ }
SendToProgram("force\n", &first);
if (startedFromSetupPosition) {
SendBoard(&first, forwardMostMove);
DisplayError(_("Position not found in file"), 0);
return FALSE;
}
- // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
- fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
+ // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces (or * for blackout)
+ fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || line[0] == '*' || CharToPiece(line[0]) != EmptySquare;
if (pn >= 2) {
if (fenMode || line[0] == '#') pn--;
}
if (fenMode) {
+ char *p;
if (!ParseFEN(initial_position, &blackPlaysFirst, line, TRUE)) {
DisplayError(_("Bad FEN position in file"), 0);
return FALSE;
}
+ if((p = strstr(line, ";")) && (p = strstr(p+1, "bm "))) { // EPD with best move
+ sscanf(p+3, "%s", bestMove);
+ } else *bestMove = NULLCHAR;
} else {
(void) fgets(line, MSG_SIZ, f);
(void) fgets(line, MSG_SIZ, f);
case MachinePlaysBlack:
case BeginningOfGame:
SendToProgram("force\n", &first);
+ if(gameMode == (forwardMostMove & 1 ? MachinePlaysBlack : MachinePlaysWhite)) { // engine is thinking
+ if (first.usePing) { // [HGM] always send ping when we might interrupt machine thinking
+ char buf[MSG_SIZ];
+ abortEngineThink = TRUE;
+ snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++first.lastPing);
+ SendToProgram(buf, &first);
+ DisplayMessage("Aborting engine think", "");
+ FreezeUI();
+ }
+ }
SetUserThinkingEnables();
break;
case PlayFromGameFile:
PositionToFEN (int move, char *overrideCastling, int moveCounts)
{
int i, j, fromX, fromY, toX, toY;
- int whiteToPlay;
+ int whiteToPlay, haveRights = nrCastlingRights;
char buf[MSG_SIZ];
char *p, *q;
int emptycount;
piece = (ChessSquare)(CHUDEMOTED piece);
}
*p++ = (piece == DarkSquare ? '*' : PieceToChar(piece));
+ if(*p = PieceSuffix(piece)) p++;
if(p[-1] == '~') {
/* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
p[-1] = PieceToChar((ChessSquare)(CHUDEMOTED piece));
*p++ = whiteToPlay ? 'w' : 'b';
*p++ = ' ';
+ if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
+ haveRights = 0; q = p;
+ for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
+ piece = boards[move][0][i];
+ if(piece >= WhitePawn && piece <= WhiteKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
+ if(!(boards[move][TOUCHED_W] & 1<<i)) *p++ = 'A' + i; // print file ID if it has not moved
+ }
+ }
+ for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
+ piece = boards[move][BOARD_HEIGHT-1][i];
+ if(piece >= BlackPawn && piece <= BlackKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
+ if(!(boards[move][TOUCHED_B] & 1<<i)) *p++ = 'a' + i; // print file ID if it has not moved
+ }
+ }
+ if(p == q) *p++ = '-';
+ *p++ = ' ';
+ }
+
if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
} else {
- if(nrCastlingRights) {
+ if(haveRights) {
int handW=0, handB=0;
if(gameInfo.variant == VariantSChess) { // for S-Chess, all virgin backrank pieces must be listed
for(i=0; i<BOARD_HEIGHT; i++) handW += boards[move][i][BOARD_RGHT]; // count white held pieces
/* [HGM] write true castling rights */
if( nrCastlingRights == 6 ) {
int q, k=0;
- if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
+ if(boards[move][CASTLING][0] != NoRights &&
boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
- q = (boards[move][CASTLING][1] == BOARD_LEFT &&
+ q = (boards[move][CASTLING][1] != NoRights &&
boards[move][CASTLING][2] != NoRights );
if(handW) { // for S-Chess with pieces in hand, list virgin pieces between K and Q
for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
}
if(q) *p++ = 'Q';
k = 0;
- if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
+ if(boards[move][CASTLING][3] != NoRights &&
boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
- q = (boards[move][CASTLING][4] == BOARD_LEFT &&
+ q = (boards[move][CASTLING][4] != NoRights &&
boards[move][CASTLING][5] != NoRights );
if(handB) {
for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
Boolean
ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize)
{
- int i, j, k, w=0, subst=0, shuffle=0;
+ int i, j, k, w=0, subst=0, shuffle=0, wKingRank = -1, bKingRank = -1;
char *p, c;
int emptycount, virgin[BOARD_FILES];
- ChessSquare piece;
+ ChessSquare piece, king = (gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing);
p = fen;
while (emptycount--)
board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
if (*p == '/') p++;
- else if(autoSize) { // we stumbled unexpectedly into end of board
+ else if(autoSize && i != BOARD_HEIGHT-1) { // we stumbled unexpectedly into end of board
for(k=i; k<BOARD_HEIGHT; k++) { // too few ranks; shift towards bottom
for(j=0; j<BOARD_WIDTH; j++) board[k-i][j] = board[k][j];
}
if (i != 0 && i != BOARD_HEIGHT-1) return FALSE; // only on back-rank
board[i][(j++)+gameInfo.holdingsWidth] = ClearBoard; p++; subst++; // placeHolder
} else if (*p == '+' || isalpha(*p)) {
+ char *q, *s = SUFFIXES;
if (j >= gameInfo.boardWidth) return FALSE;
if(*p=='+') {
- piece = CharToPiece(*++p);
+ char c = *++p;
+ if(q = strchr(s, p[1])) p++;
+ piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
if(piece == EmptySquare) return FALSE; /* unknown piece */
piece = (ChessSquare) (CHUPROMOTED piece ); p++;
if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
- } else piece = CharToPiece(*p++);
+ } else {
+ char c = *p++;
+ if(q = strchr(s, *p)) p++;
+ piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
+ }
if(piece==EmptySquare) return FALSE; /* unknown piece */
if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
p++;
}
board[i][(j++)+gameInfo.holdingsWidth] = piece;
+ if(piece == king) wKingRank = i;
+ if(piece == WHITE_TO_BLACK king) bKingRank = i;
} else {
return FALSE;
}
}
while (*p == '/' || *p == ' ') p++;
- if(autoSize) appData.NrFiles = w, InitPosition(TRUE);
+ if(autoSize && w != 0) appData.NrFiles = w, InitPosition(TRUE);
/* [HGM] by default clear Crazyhouse holdings, if present */
if(gameInfo.holdingsWidth) {
/* [HGM] We NO LONGER ignore the rest of the FEN notation */
/* return the extra info in global variiables */
+ while(*p==' ') p++;
+
+ if(!isdigit(*p) && *p != '-') { // we seem to have castling rights. Make sure they are on the rank the King actually is.
+ if(wKingRank >= 0) for(i=0; i<3; i++) castlingRank[i] = wKingRank;
+ if(bKingRank >= 0) for(i=3; i<6; i++) castlingRank[i] = bKingRank;
+ }
+
/* set defaults in case FEN is incomplete */
board[EP_STATUS] = EP_UNKNOWN;
+ board[TOUCHED_W] = board[TOUCHED_B] = 0;
for(i=0; i<nrCastlingRights; i++ ) {
board[CASTLING][i] =
appData.fischerCastling ? NoRights : initialRights[i];
&& board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
FENrulePlies = 0;
- while(*p==' ') p++;
+ if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
+ char *q = p;
+ int w=0, b=0;
+ while(isalpha(*p)) {
+ if(isupper(*p)) w |= 1 << (*p++ - 'A');
+ if(islower(*p)) b |= 1 << (*p++ - 'a');
+ }
+ if(*p == '-') p++;
+ if(p != q) {
+ board[TOUCHED_W] = ~w;
+ board[TOUCHED_B] = ~b;
+ while(*p == ' ') p++;
+ }
+ } else
+
if(nrCastlingRights) {
int fischer = 0;
if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
- if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
- if(board[0 ][i] == WhiteKing) whiteKingFile = i;
+ if(board[castlingRank[5]][i] == BlackKing) blackKingFile = i;
+ if(board[castlingRank[2]][i] == WhiteKing) whiteKingFile = i;
}
if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
- if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
- && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
- if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
- && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
+ if(whiteKingFile == NoRights || board[castlingRank[2]][whiteKingFile] != WhiteUnicorn
+ && board[castlingRank[2]][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
+ if(blackKingFile == NoRights || board[castlingRank[5]][blackKingFile] != BlackUnicorn
+ && board[castlingRank[5]][blackKingFile] != BlackKing) blackKingFile = NoRights;
switch(c) {
case'K':
- for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
+ for(i=BOARD_RGHT-1; board[castlingRank[2]][i]!=WhiteRook && i>whiteKingFile; i--);
board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
board[CASTLING][2] = whiteKingFile;
if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
break;
case'Q':
- for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
+ for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[2]][i]!=WhiteRook && i<whiteKingFile; i++);
board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
board[CASTLING][2] = whiteKingFile;
if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
break;
case'k':
- for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
+ for(i=BOARD_RGHT-1; board[castlingRank[5]][i]!=BlackRook && i>blackKingFile; i--);
board[CASTLING][3] = i != blackKingFile ? i : NoRights;
board[CASTLING][5] = blackKingFile;
if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
break;
case'q':
- for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
+ for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[5]][i]!=BlackRook && i<blackKingFile; i++);
board[CASTLING][4] = i != blackKingFile ? i : NoRights;
board[CASTLING][5] = blackKingFile;
if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
projects / xboard.git / blobdiff