* Massachusetts.
*
* Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
- * 2007, 2008, 2009, 2010, 2011, 2012, 2013 Free Software Foundation, Inc.
+ * 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014 Free Software Foundation, Inc.
*
* Enhancements Copyright 2005 Alessandro Scotti
*
#ifdef WIN32
#include <windows.h>
-int flock(int f, int code);
-#define LOCK_EX 2
-#define SLASH '\\'
+ int flock(int f, int code);
+# define LOCK_EX 2
+# define SLASH '\\'
+
+# ifdef ARC_64BIT
+# define EGBB_NAME "egbbdll64.dll"
+# else
+# define EGBB_NAME "egbbdll.dll"
+# endif
#else
-#include <sys/file.h>
-#define SLASH '/'
+# include <sys/file.h>
+# define SLASH '/'
+
+# include <dlfcn.h>
+# ifdef ARC_64BIT
+# define EGBB_NAME "egbbso64.so"
+# else
+# define EGBB_NAME "egbbso.so"
+# endif
+ // kludge to allow Windows code in back-end by converting it to corresponding Linux code
+# define CDECL
+# define HMODULE void *
+# define LoadLibrary(x) dlopen(x, RTLD_LAZY)
+# define GetProcAddress dlsym
#endif
#endif
#include "backendz.h"
#include "evalgraph.h"
+#include "engineoutput.h"
#include "gettext.h"
#ifdef ENABLE_NLS
static void ExcludeClick P((int index));
void ToggleSecond P((void));
void PauseEngine P((ChessProgramState *cps));
-static int NonStandardBoardSize P((void));
+static int NonStandardBoardSize P((VariantClass v, int w, int h, int s));
#ifdef WIN32
extern void ConsoleCreate();
#endif
ChessProgramState *WhitePlayer();
-void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
int VerifyDisplayMode P(());
char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
int promoDefaultAltered;
int keepInfo = 0; /* [HGM] to protect PGN tags in auto-step game analysis */
+static int initPing = -1;
/* States for ics_getting_history */
#define H_FALSE 0
BlackKing, BlackMan, BlackKnight, BlackRook }
};
+ChessSquare lionArray[2][BOARD_FILES] = {
+ { WhiteRook, WhiteLion, WhiteBishop, WhiteQueen,
+ WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
+ { BlackRook, BlackLion, BlackBishop, BlackQueen,
+ BlackKing, BlackBishop, BlackKnight, BlackRook }
+};
+
#if (BOARD_FILES>=10)
ChessSquare ShogiArray[2][BOARD_FILES] = {
BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
};
+ChessSquare ChuChessArray[2][BOARD_FILES] = {
+ { WhiteMan, WhiteKnight, WhiteBishop, WhiteCardinal, WhiteLion,
+ WhiteQueen, WhiteDragon, WhiteBishop, WhiteKnight, WhiteMan },
+ { BlackMan, BlackKnight, BlackBishop, BlackDragon, BlackQueen,
+ BlackLion, BlackCardinal, BlackBishop, BlackKnight, BlackMan }
+};
+
#ifdef GOTHIC
ChessSquare GothicArray[2][BOARD_FILES] = {
{ WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
{ BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
};
+ChessSquare ChuArray[6][BOARD_FILES] = {
+ { WhiteLance, WhiteUnicorn, WhiteMan, WhiteFerz, WhiteWazir, WhiteKing,
+ WhiteAlfil, WhiteWazir, WhiteFerz, WhiteMan, WhiteUnicorn, WhiteLance },
+ { BlackLance, BlackUnicorn, BlackMan, BlackFerz, BlackWazir, BlackAlfil,
+ BlackKing, BlackWazir, BlackFerz, BlackMan, BlackUnicorn, BlackLance },
+ { WhiteCannon, EmptySquare, WhiteBishop, EmptySquare, WhiteNightrider, WhiteMarshall,
+ WhiteAngel, WhiteNightrider, EmptySquare, WhiteBishop, EmptySquare, WhiteCannon },
+ { BlackCannon, EmptySquare, BlackBishop, EmptySquare, BlackNightrider, BlackAngel,
+ BlackMarshall, BlackNightrider, EmptySquare, BlackBishop, EmptySquare, BlackCannon },
+ { WhiteFalcon, WhiteSilver, WhiteRook, WhiteCardinal, WhiteDragon, WhiteLion,
+ WhiteQueen, WhiteDragon, WhiteCardinal, WhiteRook, WhiteSilver, WhiteFalcon },
+ { BlackFalcon, BlackSilver, BlackRook, BlackCardinal, BlackDragon, BlackQueen,
+ BlackLion, BlackDragon, BlackCardinal, BlackRook, BlackSilver, BlackFalcon }
+};
#else // !(BOARD_FILES>=12)
#define CourierArray CapablancaArray
+#define ChuArray CapablancaArray
#endif // !(BOARD_FILES>=12)
ExitAnalyzeMode();
DoSleep( appData.delayBeforeQuit );
SendToProgram("quit\n", cps);
- DoSleep( appData.delayAfterQuit );
- DestroyChildProcess(cps->pr, cps->useSigterm);
+ DestroyChildProcess(cps->pr, 4 + cps->useSigterm);
}
cps->pr = NoProc;
if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
/* [HGM] debug */
cps->debug = FALSE;
+ cps->drawDepth = appData.drawDepth[n];
cps->supportsNPS = UNKNOWN;
cps->memSize = FALSE;
cps->maxCores = FALSE;
case VariantCapablanca: /* [HGM] should work */
case VariantCourier: /* [HGM] initial forced moves not implemented */
case VariantShogi: /* [HGM] could still mate with pawn drop */
+ case VariantChu: /* [HGM] experimental */
case VariantKnightmate: /* [HGM] should work */
case VariantCylinder: /* [HGM] untested */
case VariantFalcon: /* [HGM] untested */
case VariantSChess: /* S-Chess, should work */
case VariantGrand: /* should work */
case VariantSpartan: /* should work */
+ case VariantLion: /* should work */
+ case VariantChuChess: /* should work */
break;
}
}
char buf[MSG_SIZ];
int err, len;
+ if(!appData.icsActive && !appData.noChessProgram && !appData.matchMode && // mode involves only first engine
+ !strcmp(appData.variant, "normal") && // no explicit variant request
+ appData.NrRanks == -1 && appData.NrFiles == -1 && appData.holdingsSize == -1 && // no size overrides requested
+ !SupportedVariant(first.variants, VariantNormal, 8, 8, 0, first.protocolVersion, "") && // but 'normal' won't work with engine
+ !SupportedVariant(first.variants, VariantFischeRandom, 8, 8, 0, first.protocolVersion, "") ) { // nor will Chess960
+ char c, *q = first.variants, *p = strchr(q, ',');
+ if(p) *p = NULLCHAR;
+ if(StringToVariant(q) != VariantUnknown) { // the engine can play a recognized variant, however
+ int w, h, s;
+ if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
+ appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
+ ASSIGN(appData.variant, q); // fake user requested the first variant played by the engine
+ Reset(TRUE, FALSE); // and re-initialize
+ }
+ if(p) *p = ',';
+ }
+
InitChessProgram(&first, startedFromSetupPosition);
if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
found = TRUE;
} else
for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
- if (StrCaseStr(e, variantNames[i])) {
+ if (p = StrCaseStr(e, variantNames[i])) {
+ if(p && i >= VariantShogi && isalpha(p[strlen(variantNames[i])])) continue;
v = (VariantClass) i;
found = TRUE;
break;
default:
break;
case MT_CHECK:
- if(gameInfo.variant != VariantShogi)
+ if(!IS_SHOGI(gameInfo.variant))
strcat(parseList[moveNum - 1], "+");
break;
case MT_CHECKMATE:
char buf[MSG_SIZ];
if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
+ if(gameInfo.variant == VariantLion || gameInfo.variant == VariantChuChess || gameInfo.variant == VariantChu) {
+ sprintf(buf, "%s@@@@\n", cps->useUsermove ? "usermove " : "");
+ SendToProgram(buf, cps);
+ return;
+ }
// null move in variant where engine does not understand it (for analysis purposes)
SendBoard(cps, moveNum + 1); // send position after move in stead.
return;
}
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');
+ SendToProgram(buf, cps);
+ } else
if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
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
+
void
CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[7])
{
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);
} else {
sprintf(move, "%c%c%c%c%c\n",
AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
}
-static int lastX, lastY, lastLeftX, lastLeftY, selectFlag, dragging;
+static int lastX, lastY, lastLeftX, lastLeftY, selectFlag;
+int dragging;
static ClickType lastClickType;
+int
+Partner (ChessSquare *p)
+{ // change piece into promotion partner if one shogi-promotes to the other
+ int stride = gameInfo.variant == VariantChu ? 22 : 11;
+ ChessSquare partner;
+ partner = (*p/stride & 1 ? *p - stride : *p + stride);
+ if(PieceToChar(*p) != '+' && PieceToChar(partner) != '+') return 0;
+ *p = partner;
+ return 1;
+}
+
void
Sweep (int step)
{
ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
+ static int toggleFlag;
if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
- if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
+ if(fromY != BOARD_HEIGHT-2 && fromY != 1 && gameInfo.variant != VariantChuChess) pawn = EmptySquare;
+ if(!step) toggleFlag = Partner(&last); // piece has shogi-promotion
do {
- promoSweep -= step;
+ 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;
if(!step) step = -1;
} while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
- appData.testLegality && (promoSweep == king ||
- gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
+ !toggleFlag && PieceToChar(promoSweep) == '+' || // skip promoted versions of other
+ appData.testLegality && (promoSweep == king || gameInfo.variant != VariantChuChess &&
+ (promoSweep == WhiteLion || promoSweep == BlackLion)));
if(toX >= 0) {
int victim = boards[currentMove][toY][toX];
boards[currentMove][toY][toX] = promoSweep;
case WhiteNonPromotion:
case BlackNonPromotion:
case NormalMove:
+ case FirstLeg:
case WhiteCapturesEnPassant:
case BlackCapturesEnPassant:
case WhiteKingSideCastle:
if (appData.testLegality) {
return (*moveType != IllegalMove);
} else {
- return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
+ return !(*fromX == *toX && *fromY == *toY && killX < 0) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
+ // [HGM] lion: if this is a double move we are less critical
WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
}
} else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
ExcludeClick(origIndex - lineStart);
return FALSE;
+ } else if(!strncmp(buf+lineStart, "dep\t", 4)) { // column headers clicked
+ Collapse(origIndex - lineStart);
+ return FALSE;
}
ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
*start = startPV; *end = index-1;
InitPosition (int redraw)
{
ChessSquare (* pieces)[BOARD_FILES];
- int i, j, pawnRow, overrule,
+ int i, j, pawnRow=1, pieceRows=1, overrule,
oldx = gameInfo.boardWidth,
oldy = gameInfo.boardHeight,
oldh = gameInfo.holdingsWidth;
nrCastlingRights = 0;
SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
break;
+ case VariantChu:
+ pieces = ChuArray; pieceRows = 3;
+ gameInfo.boardWidth = 12;
+ gameInfo.boardHeight = 12;
+ nrCastlingRights = 0;
+ SetCharTable(pieceToChar, "P.BRQSEXOGCATHD.VMLIFN+.++.++++++++++.+++++K"
+ "p.brqsexogcathd.vmlifn+.++.++++++++++.+++++k");
+ break;
case VariantCourier:
pieces = CourierArray;
gameInfo.boardWidth = 12;
pieces = SpartanArray;
SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
break;
+ case VariantLion:
+ pieces = lionArray;
+ SetCharTable(pieceToChar, "PNBRQ................LKpnbrq................lk");
+ break;
+ case VariantChuChess:
+ pieces = ChuChessArray;
+ gameInfo.boardWidth = 10;
+ gameInfo.boardHeight = 10;
+ SetCharTable(pieceToChar, "PNBRQ.....M.+++......LKpnbrq.....m.+++......lk");
+ break;
case VariantFairy:
pieces = fairyArray;
SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
if(pawnRow < 1) pawnRow = 1;
- if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN || gameInfo.variant == VariantGrand) pawnRow = 2;
+ if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN ||
+ gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) pawnRow = 2;
+ if(gameInfo.variant == VariantChu) pawnRow = 3;
/* User pieceToChar list overrules defaults */
if(appData.pieceToCharTable != NULL)
initialPosition[i][j] = s;
if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
- initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
+ initialPosition[gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess][j] = pieces[0][j-gameInfo.holdingsWidth];
initialPosition[pawnRow][j] = WhitePawn;
initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
if(gameInfo.variant == VariantXiangqi) {
}
}
}
- if(gameInfo.variant == VariantGrand) {
+ if(gameInfo.variant == VariantChu) {
+ if(j == (BOARD_WIDTH-2)/3 || j == BOARD_WIDTH - (BOARD_WIDTH+1)/3)
+ initialPosition[pawnRow+1][j] = WhiteCobra,
+ initialPosition[BOARD_HEIGHT-pawnRow-2][j] = BlackCobra;
+ for(i=1; i<pieceRows; i++) {
+ initialPosition[i][j] = pieces[2*i][j-gameInfo.holdingsWidth];
+ initialPosition[BOARD_HEIGHT-1-i][j] = pieces[2*i+1][j-gameInfo.holdingsWidth];
+ }
+ }
+ if(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
initialPosition[0][j] = WhiteRook;
initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
}
}
- initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
+ initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess)][j] = pieces[1][j-gameInfo.holdingsWidth];
}
+ if(gameInfo.variant == VariantChuChess) initialPosition[0][BOARD_WIDTH/2] = WhiteKing, initialPosition[BOARD_HEIGHT-1][BOARD_WIDTH/2-1] = BlackKing;
if( (gameInfo.variant == VariantShogi) && !overrule ) {
j=BOARD_LEFT+1;
/* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
/* [HGM] add Shogi promotions */
int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
- ChessSquare piece;
+ ChessSquare piece, partner;
ChessMove moveType;
Boolean premove;
return FALSE;
piece = boards[currentMove][fromY][fromX];
- if(gameInfo.variant == VariantShogi) {
+ if(gameInfo.variant == VariantChu) {
+ int p = piece >= BlackPawn ? BLACK_TO_WHITE piece : piece;
+ promotionZoneSize = BOARD_HEIGHT/3;
+ highestPromotingPiece = (p >= WhiteLion || PieceToChar(piece + 22) == '.') ? WhitePawn : WhiteLion;
+ } else if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantChuChess) {
promotionZoneSize = BOARD_HEIGHT/3;
- highestPromotingPiece = (int)WhiteFerz;
- } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
+ highestPromotingPiece = (int)WhiteAlfil;
+ } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
promotionZoneSize = 3;
}
- // Treat Lance as Pawn when it is not representing Amazon
- if(gameInfo.variant != VariantSuper) {
+ // Treat Lance as Pawn when it is not representing Amazon or Lance
+ if(gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu) {
if(piece == WhiteLance) piece = WhitePawn; else
if(piece == BlackLance) piece = BlackPawn;
}
if((int)piece >= BlackPawn) {
if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
return FALSE;
+ if(fromY < promotionZoneSize && gameInfo.variant == VariantChuChess) return FALSE;
highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
} else {
if( toY < BOARD_HEIGHT - promotionZoneSize &&
fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
+ if(fromY >= BOARD_HEIGHT - promotionZoneSize && gameInfo.variant == VariantChuChess)
+ return FALSE;
}
if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
// 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) {
- *promoChoice = PieceToChar(BlackFerz); // no choice
+ ChessSquare p=BlackFerz; // no choice
+ while(p < EmptySquare) { //but make sure we use piece that exists
+ *promoChoice = PieceToChar(p++);
+ if(*promoChoice != '.') break;
+ }
return FALSE;
}
// no sense asking what we must promote to if it is going to explode...
}
// give caller the default choice even if we will not make it
*promoChoice = ToLower(PieceToChar(defaultPromoChoice));
- if(gameInfo.variant == VariantShogi) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
+ partner = piece; // pieces can promote if the pieceToCharTable says so
+ if(IS_SHOGI(gameInfo.variant)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? '=' : '+'); // obsolete?
+ else if(Partner(&partner)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? NULLCHAR : '+');
if( sweepSelect && gameInfo.variant != VariantGreat
&& gameInfo.variant != VariantGrand
&& gameInfo.variant != VariantSuper) return FALSE;
gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
if(appData.testLegality && !premove) {
moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
- fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
+ fromY, fromX, toY, toX, IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantChuChess ? '+' : NULLCHAR);
+ if(moveType == IllegalMove) *promoChoice = NULLCHAR; // could be the fact we promoted was illegal
if(moveType != WhitePromotion && moveType != BlackPromotion)
return FALSE;
}
DrawPosition(TRUE, NULL);
}
+static char baseMarker[BOARD_RANKS][BOARD_FILES], baseLegal[BOARD_RANKS][BOARD_FILES];
+
void
Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
{
typedef char Markers[BOARD_RANKS][BOARD_FILES];
Markers *m = (Markers *) closure;
- if(rf == fromY && ff == fromX)
+ if(rf == fromY && ff == fromX && (killX < 0 && !(rt == rf && ft == ff) || abs(ft-killX) < 2 && abs(rt-killY) < 2))
(*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
|| kind == WhiteCapturesEnPassant
- || kind == BlackCapturesEnPassant);
+ || kind == BlackCapturesEnPassant) + 3*(kind == FirstLeg && killX < 0);
else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
}
+static int hoverSavedValid;
+
void
MarkTargetSquares (int clear)
{
int x, y, sum=0;
if(clear) { // no reason to ever suppress clearing
for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) sum += marker[y][x], marker[y][x] = 0;
+ hoverSavedValid = 0;
if(!sum) return; // nothing was cleared,no redraw needed
} else {
int capt = 0;
int
CanPromote (ChessSquare piece, int y)
{
+ int zone = (gameInfo.variant == VariantChuChess ? 3 : 1);
if(gameMode == EditPosition) return FALSE; // no promotions when editing position
// some variants have fixed promotion piece, no promotion at all, or another selection mechanism
- if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
+ 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;
- return (piece == BlackPawn && y == 1 ||
- piece == WhitePawn && y == BOARD_HEIGHT-2 ||
+ return (piece == BlackPawn && y <= zone ||
+ piece == WhitePawn && y >= BOARD_HEIGHT-1-zone ||
piece == BlackLance && y == 1 ||
piece == WhiteLance && y == BOARD_HEIGHT-2 );
}
void
-HoverEvent (int hiX, int hiY, int x, int y)
+HoverEvent (int xPix, int yPix, int x, int y)
{
- static char baseMarker[BOARD_RANKS][BOARD_FILES], baseLegal[BOARD_RANKS][BOARD_FILES];
+ static int oldX = -1, oldY = -1, oldFromX = -1, oldFromY = -1;
int r, f;
if(!first.highlight) return;
- if(hiX == -1 && hiY == -1 && x == fromX && y == fromY) // record markings
+ if(fromX != oldFromX || fromY != oldFromY) oldX = oldY = -1; // kludge to fake entry on from-click
+ if(x == oldX && y == oldY) return; // only do something if we enter new square
+ oldFromX = fromX; oldFromY = fromY;
+ if(oldX == -1 && oldY == -1 && x == fromX && y == fromY) { // record markings after from-change
for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
baseMarker[r][f] = marker[r][f], baseLegal[r][f] = legal[r][f];
- else if(hiX != x || hiY != y) {
+ hoverSavedValid = 1;
+ } else if(oldX != x || oldY != y) {
// [HGM] lift: entered new to-square; redraw arrow, and inform engine
+ if(hoverSavedValid) // don't restore markers that are supposed to be cleared
for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
marker[r][f] = baseMarker[r][f], legal[r][f] = baseLegal[r][f];
if((marker[y][x] == 2 || marker[y][x] == 6) && legal[y][x]) {
snprintf(buf, MSG_SIZ, "hover %c%d\n", x + AAA, y + ONE - '0');
SendToProgram(buf, &first);
}
- SetHighlights(fromX, fromY, x, y);
+ oldX = x; oldY = y;
+// SetHighlights(fromX, fromY, x, y);
}
}
if(gameMode == AnalyzeMode && (pausing || controlKey) && first.excludeMoves) { // use pause state to exclude moves
doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
}
- fromX = x; fromY = y; toX = toY = -1;
+ fromX = x; fromY = y; toX = toY = killX = killY = -1;
if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
// even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
fromP = boards[currentMove][fromY][fromX];
toP = boards[currentMove][y][x];
frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
- if ((WhitePawn <= fromP && fromP <= WhiteKing &&
+ if( (killX < 0 || x != fromX || y != fromY) && // [HGM] lion: do not interpret igui as deselect!
+ ((WhitePawn <= fromP && fromP <= WhiteKing &&
WhitePawn <= toP && toP <= WhiteKing &&
!(fromP == WhiteKing && toP == WhiteRook && frc) &&
!(fromP == WhiteRook && toP == WhiteKing && frc)) ||
(BlackPawn <= fromP && fromP <= BlackKing &&
BlackPawn <= toP && toP <= BlackKing &&
!(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
- !(fromP == BlackKing && toP == BlackRook && frc))) {
+ !(fromP == BlackKing && toP == BlackRook && frc)))) {
/* Clicked again on same color piece -- changed his mind */
second = (x == fromX && y == fromY);
+ killX = killY = -1;
if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
second = FALSE; // first double-click rather than scond click
doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
}
- if (clickType == Release && x == fromX && y == fromY) {
+ if (clickType == Release && x == fromX && y == fromY && killX < 0) {
DragPieceEnd(xPix, yPix); dragging = 0;
if(clearFlag) {
// a deferred attempt to click-click move an empty square on top of a piece
clearFlag = 0;
- if(gameMode != EditPosition && !appData.testLegality && !legal[y][x]) {
+ if(gameMode != EditPosition && !appData.testLegality && !legal[y][x] && (x != killX || y != killY) && !sweepSelecting) {
if(dragging) DragPieceEnd(xPix, yPix), dragging = 0;
DisplayMessage(_("only marked squares are legal"),"");
DrawPosition(TRUE, NULL);
if(!sweepSelecting) {
toX = x;
toY = y;
- } else sweepSelecting = 0; // this must be the up-click corresponding to the down-click that started the sweep
+ }
+
+ piece = boards[currentMove][fromY][fromX];
saveAnimate = appData.animate;
if (clickType == Press) {
+ if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
// must be Edit Position mode with empty-square selected
fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
return;
}
+ if(dragging == 2) { // [HGM] lion: just turn buttonless drag into normal drag, and let release to the job
+ return;
+ }
+ if(x == killX && y == killY) { // second click on this square, which was selected as first-leg target
+ killX = killY = -1; // this informs us no second leg is coming, so treat as to-click without intermediate
+ } else
+ if(marker[y][x] == 5) return; // [HGM] lion: to-click on cyan square; defer action to release
if(legal[y][x] == 2 || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
if(appData.sweepSelect) {
- ChessSquare piece = boards[currentMove][fromY][fromX];
promoSweep = defaultPromoChoice;
- if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
+ if(gameInfo.variant != VariantChuChess && PieceToChar(CHUPROMOTED piece) == '+') promoSweep = CHUPROMOTED piece;
selectFlag = 0; lastX = xPix; lastY = yPix;
Sweep(0); // Pawn that is going to promote: preview promotion piece
sweepSelecting = 1;
} else {
ClearHighlights();
}
+ } 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
+ if (appData.animate || appData.highlightLastMove) {
+ SetHighlights(fromX, fromY, toX, toY);
+ } else {
+ ClearHighlights();
+ }
} else {
#if 0
// [HGM] this must be done after the move is made, as with arrow it could lead to a board redraw with piece still on from square
ClearHighlights();
}
#endif
+ if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
+ 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 {
+ killX = x; killY = y; //remeber this square as intermediate
+ ReportClick("put", x, y); // and inform engine
+ ReportClick("lift", x, y);
+ MarkTargetSquares(0);
+ return;
+ }
+ }
DragPieceEnd(xPix, yPix); dragging = 0;
/* Don't animate move and drag both */
appData.animate = FALSE;
DisplayMessage("Click in holdings to choose piece", "");
return;
}
- PromotionPopUp();
+ PromotionPopUp(promoChoice);
} else {
int oldMove = currentMove;
UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
case MT_NONE:
default:
break;
+ case MT_STEALMATE:
case MT_STALEMATE:
case MT_STAINMATE:
reason = "Xboard adjudication: Stalemate";
return 0;
}
+typedef int (CDECL *PPROBE_EGBB) (int player, int *piece, int *square);
+typedef int (CDECL *PLOAD_EGBB) (char *path, int cache_size, int load_options);
+static int egbbCode[] = { 6, 5, 4, 3, 2, 1 };
+
+static int
+BitbaseProbe ()
+{
+ int pieces[10], squares[10], cnt=0, r, f, res;
+ static int loaded;
+ static PPROBE_EGBB probeBB;
+ if(!appData.testLegality) return 10;
+ if(BOARD_HEIGHT != 8 || BOARD_RGHT-BOARD_LEFT != 8) return 12;
+ if(gameInfo.holdingsSize && gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess) return 12;
+ if(loaded == 2 && forwardMostMove < 2) loaded = 0; // retry on new game
+ for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
+ ChessSquare piece = boards[forwardMostMove][r][f];
+ int black = (piece >= BlackPawn);
+ int type = piece - black*BlackPawn;
+ if(piece == EmptySquare) continue;
+ if(type != WhiteKing && type > WhiteQueen) return 12; // unorthodox piece
+ if(type == WhiteKing) type = WhiteQueen + 1;
+ type = egbbCode[type];
+ squares[cnt] = r*(BOARD_RGHT - BOARD_LEFT) + f - BOARD_LEFT;
+ pieces[cnt] = type + black*6;
+ if(++cnt > 5) return 11;
+ }
+ pieces[cnt] = squares[cnt] = 0;
+ // probe EGBB
+ if(loaded == 2) return 13; // loading failed before
+ if(loaded == 0) {
+ loaded = 2; // prepare for failure
+ char *p, *path = strstr(appData.egtFormats, "scorpio:"), buf[MSG_SIZ];
+ HMODULE lib;
+ PLOAD_EGBB loadBB;
+ if(!path) return 13; // no egbb installed
+ strncpy(buf, path + 8, MSG_SIZ);
+ if(p = strchr(buf, ',')) *p = NULLCHAR; else p = buf + strlen(buf);
+ snprintf(p, MSG_SIZ - strlen(buf), "%c%s", SLASH, EGBB_NAME);
+ lib = LoadLibrary(buf);
+ if(!lib) { DisplayError(_("could not load EGBB library"), 0); return 13; }
+ loadBB = (PLOAD_EGBB) GetProcAddress(lib, "load_egbb_xmen");
+ probeBB = (PPROBE_EGBB) GetProcAddress(lib, "probe_egbb_xmen");
+ if(!loadBB || !probeBB) { DisplayError(_("wrong EGBB version"), 0); return 13; }
+ p[1] = NULLCHAR; loadBB(buf, 64*1028, 2); // 2 = SMART_LOAD
+ loaded = 1; // success!
+ }
+ res = probeBB(forwardMostMove & 1, pieces, squares);
+ return res > 0 ? 1 : res < 0 ? -1 : 0;
+}
+
char *
SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
{ // [HGM] book: this routine intercepts moves to simulate book replies
char *bookHit = NULL;
+ if(cps->drawDepth && BitbaseProbe() == 0) { // [HG} egbb: reduce depth in drawn position
+ char buf[MSG_SIZ];
+ snprintf(buf, MSG_SIZ, "sd %d\n", cps->drawDepth);
+ SendToProgram(buf, cps);
+ }
//first determine if the incoming move brings opponent into his book
if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
void
HandleMachineMove (char *message, ChessProgramState *cps)
{
+ static char firstLeg[20];
char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
char realname[MSG_SIZ];
int fromX, fromY, toX, toY;
ChessMove moveType;
- char promoChar;
+ char promoChar, roar;
char *p, *pv=buf1;
int machineWhite, oldError;
char *bookHit;
}
if(cps->alphaRank) AlphaRank(machineMove, 4);
+
+ // [HGM] lion: (some very limited) support for Alien protocol
+ killX = killY = -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!)
+ 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++;
+ 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;
+ }
+
if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
&fromX, &fromY, &toX, &toY, &promoChar)) {
/* Machine move could not be parsed; ignore it. */
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) res=%d",
- machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
+ 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);
if (gameMode == TwoMachinesPlay) {
GameEnds(machineWhite ? BlackWins : WhiteWins,
buf1, GE_XBOARD);
cps->other->maybeThinking = TRUE;
}
+ roar = (killX >= 0 && IS_LION(boards[forwardMostMove][toY][toX]));
+
ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
if (!pausing && appData.ringBellAfterMoves) {
- RingBell();
+ if(!roar) RingBell();
}
/*
}
if (!strncmp(message, "setup ", 6) &&
- (!appData.testLegality || gameInfo.variant == VariantFairy || gameInfo.variant == VariantUnknown || NonStandardBoardSize())
+ (!appData.testLegality || gameInfo.variant == VariantFairy || gameInfo.variant == VariantUnknown ||
+ NonStandardBoardSize(gameInfo.variant, gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize))
) { // [HGM] allow first engine to define opening position
int dummy, w, h, hand, s=6; char buf[MSG_SIZ], varName[MSG_SIZ];
if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
if(*buf) SetCharTable(pieceToChar, buf); // do again, for it was spoiled by InitPosition
}
}
- ParseFEN(boards[0], &dummy, message+s);
+ ParseFEN(boards[0], &dummy, message+s, FALSE);
DrawPosition(TRUE, boards[0]);
startedFromSetupPosition = TRUE;
return;
GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
- if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
+ if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9, FALSE)) {
DisplayError(_("Bad FEN received from engine"), 0);
return ;
} else {
}
}
if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
+ if(initPing == cps->lastPong) {
+ if(gameInfo.variant == VariantUnknown) {
+ DisplayError(_("Engine did not send setup for non-standard variant"), 0);
+ *engineVariant = NULLCHAR; appData.variant = VariantNormal; // back to normal as error recovery?
+ GameEnds(GameUnfinished, NULL, GE_XBOARD);
+ }
+ initPing = -1;
+ }
return;
}
if(!strncmp(message, "highlight ", 10)) {
case WhiteNonPromotion:
case BlackNonPromotion:
case NormalMove:
+ case FirstLeg:
case WhiteCapturesEnPassant:
case BlackCapturesEnPassant:
case WhiteKingSideCastle:
default:
break;
case MT_CHECK:
- if(gameInfo.variant != VariantShogi)
+ if(!IS_SHOGI(gameInfo.variant))
strcat(parseList[boardIndex - 1], "+");
break;
case MT_CHECKMATE:
ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
{
ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
- int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
+ 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 */
/* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
}
piece = board[toY][toX] = (ChessSquare) fromX;
} else {
+ ChessSquare victim;
int i;
- if( board[toY][toX] != EmptySquare )
+ if( killX >= 0 && killY >= 0 ) // [HGM] lion: Lion trampled over something
+ victim = board[killY][killX],
+ board[killY][killX] = EmptySquare,
board[EP_STATUS] = EP_CAPTURE;
+ if( board[toY][toX] != EmptySquare ) {
+ board[EP_STATUS] = EP_CAPTURE;
+ if( (fromX != toX || fromY != toY) && // not igui!
+ (captured == WhiteLion && board[fromY][fromX] != BlackLion ||
+ captured == BlackLion && board[fromY][fromX] != WhiteLion ) ) { // [HGM] lion: Chu Lion-capture rules
+ board[EP_STATUS] = EP_IRON_LION; // non-Lion x Lion: no counter-strike allowed
+ }
+ }
+
if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
board[toY][toX+1] = board[fromY][BOARD_LEFT];
board[fromY][BOARD_LEFT] = EmptySquare;
} else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
- board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
+ board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
&& toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
) {
/* white pawn promotion */
board[fromY][0] = EmptySquare;
board[toY][2] = BlackRook;
} else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
- board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
+ board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
&& toY < promoRank && promoChar
) {
/* black pawn promotion */
board[fromY][fromX+1] = EmptySquare;
}
} else {
- board[toY][toX] = board[fromY][fromX];
+ ChessSquare piece = board[fromY][fromX]; // [HGM] lion: allow for igui (where from == to)
board[fromY][fromX] = EmptySquare;
+ board[toY][toX] = piece;
}
}
board[toY][toX] = EmptySquare;
}
}
+
if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
} else
if(promoChar == '+') {
/* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
- board[toY][toX] = (ChessSquare) (PROMOTED piece);
+ board[toY][toX] = (ChessSquare) (CHUPROMOTED piece);
+ if(gameInfo.variant == VariantChuChess && (piece == WhiteKnight || piece == BlackKnight))
+ board[toY][toX] = piece + WhiteLion - WhiteKnight; // adjust Knight promotions to Lion
} else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
board[BOARD_HEIGHT-1-k][0] = EmptySquare;
}
}
-
}
/* Updates forwardMostMove */
void
MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
{
+ int x = toX, y = toY;
+ char *s = parseList[forwardMostMove];
+ ChessSquare p = boards[forwardMostMove][toY][toX];
// forwardMostMove++; // [HGM] bare: moved downstream
+ if(killX >= 0 && killY >= 0) x = killX, y = killY; // [HGM] lion: make SAN move to intermediate square, if there is one
(void) CoordsToAlgebraic(boards[forwardMostMove],
PosFlags(forwardMostMove),
- fromY, fromX, toY, toX, promoChar,
- parseList[forwardMostMove]);
+ fromY, fromX, y, x, promoChar,
+ s);
+ if(killX >= 0 && killY >= 0)
+ sprintf(s + strlen(s), "%c%c%d", p == EmptySquare || toX == fromX && toY == fromY ? '-' : 'x', toX + AAA, toY + ONE - '0');
if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
int timeLeft; static int lastLoadFlag=0; int king, piece;
default:
break;
case MT_CHECK:
- if(gameInfo.variant != VariantShogi)
+ if(!IS_SHOGI(gameInfo.variant))
strcat(parseList[forwardMostMove - 1], "+");
break;
case MT_CHECKMATE:
strcat(parseList[forwardMostMove - 1], "#");
break;
}
-
}
/* Updates currentMove if not pausing */
currentMove = forwardMostMove;
}
+ killX = killY = -1; // [HGM] lion: used up
+
if (instant) return;
DisplayMove(currentMove - 1);
}
static int
-NonStandardBoardSize ()
-{
- /* [HGM] Awkward testing. Should really be a table */
- int overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
- if( gameInfo.variant == VariantUnknown || *engineVariant) return 0; // engine-defined name never needs prefix
- if( gameInfo.variant == VariantXiangqi )
- overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
- if( gameInfo.variant == VariantShogi )
- overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
- if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
- overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
- if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
- gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
- overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
- if( gameInfo.variant == VariantCourier )
- overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
- if( gameInfo.variant == VariantSuper )
- overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
- if( gameInfo.variant == VariantGreat )
- overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
- if( gameInfo.variant == VariantSChess )
- overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
- if( gameInfo.variant == VariantGrand )
- overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
- return overruled;
+NonStandardBoardSize (VariantClass v, int boardWidth, int boardHeight, int holdingsSize)
+{
+ int width = 8, height = 8, holdings = 0; // most common sizes
+ if( v == VariantUnknown || *engineVariant) return 0; // engine-defined name never needs prefix
+ // correct the deviations default for each variant
+ if( v == VariantXiangqi ) width = 9, height = 10;
+ if( v == VariantShogi ) width = 9, height = 9, holdings = 7;
+ if( v == VariantBughouse || v == VariantCrazyhouse) holdings = 5;
+ if( v == VariantCapablanca || v == VariantCapaRandom ||
+ v == VariantGothic || v == VariantFalcon || v == VariantJanus )
+ width = 10;
+ if( v == VariantCourier ) width = 12;
+ if( v == VariantSuper ) holdings = 8;
+ if( v == VariantGreat ) width = 10, holdings = 8;
+ if( v == VariantSChess ) holdings = 7;
+ if( v == VariantGrand ) width = 10, height = 10, holdings = 7;
+ if( v == VariantChuChess) width = 10, height = 10;
+ if( v == VariantChu ) width = 12, height = 12;
+ return boardWidth >= 0 && boardWidth != width || // -1 is default,
+ boardHeight >= 0 && boardHeight != height || // and thus by definition OK
+ holdingsSize >= 0 && holdingsSize != holdings;
+}
+
+char variantError[MSG_SIZ];
+
+char *
+SupportedVariant (char *list, VariantClass v, int boardWidth, int boardHeight, int holdingsSize, int proto, char *engine)
+{ // returns error message (recognizable by upper-case) if engine does not support the variant
+ char *p, *variant = VariantName(v);
+ static char b[MSG_SIZ];
+ if(NonStandardBoardSize(v, boardWidth, boardHeight, holdingsSize)) { /* [HGM] make prefix for non-standard board size. */
+ snprintf(b, MSG_SIZ, "%dx%d+%d_%s", boardWidth, boardHeight,
+ holdingsSize, variant); // cook up sized variant name
+ /* [HGM] varsize: try first if this deviant size variant is specifically known */
+ if(StrStr(list, b) == NULL) {
+ // specific sized variant not known, check if general sizing allowed
+ if(proto != 1 && StrStr(list, "boardsize") == NULL) {
+ snprintf(variantError, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
+ boardWidth, boardHeight, holdingsSize, engine);
+ return NULL;
+ }
+ /* [HGM] here we really should compare with the maximum supported board size */
+ }
+ } else snprintf(b, MSG_SIZ,"%s", variant);
+ if(proto == 1) return b; // for protocol 1 we cannot check and hope for the best
+ p = StrStr(list, b);
+ while(p && (p != list && p[-1] != ',' || p[strlen(b)] && p[strlen(b)] != ',') ) p = StrStr(p+1, b);
+ if(p == NULL) {
+ // occurs not at all in list, or only as sub-string
+ snprintf(variantError, MSG_SIZ, _("Variant %s not supported by %s"), b, engine);
+ if(p = StrStr(list, b)) { // handle requesting parent variant when only size-overridden is supported
+ int l = strlen(variantError);
+ char *q;
+ while(p != list && p[-1] != ',') p--;
+ q = strchr(p, ',');
+ if(q) *q = NULLCHAR;
+ snprintf(variantError + l, MSG_SIZ - l, _(", but %s is"), p);
+ if(q) *q= ',';
+ }
+ return NULL;
+ }
+ return b;
}
void
InitChessProgram (ChessProgramState *cps, int setup)
/* setup needed to setup FRC opening position */
{
- char buf[MSG_SIZ], b[MSG_SIZ];
+ char buf[MSG_SIZ], *b;
if (appData.noChessProgram) return;
hintRequested = FALSE;
bookRequested = FALSE;
if (gameInfo.variant != VariantNormal &&
gameInfo.variant != VariantLoadable
/* [HGM] also send variant if board size non-standard */
- || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
- ) {
- char *v = VariantName(gameInfo.variant);
- if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
- /* [HGM] in protocol 1 we have to assume all variants valid */
- snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
- DisplayFatalError(buf, 0, 1);
+ || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0) {
+
+ b = SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
+ gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, cps->tidy);
+ if (b == NULL) {
+ DisplayFatalError(variantError, 0, 1);
return;
}
- if(NonStandardBoardSize()) { /* [HGM] make prefix for non-standard board size. */
- snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
- gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
- /* [HGM] varsize: try first if this defiant size variant is specifically known */
- if(StrStr(cps->variants, b) == NULL) {
- // specific sized variant not known, check if general sizing allowed
- if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
- if(StrStr(cps->variants, "boardsize") == NULL) {
- snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
- gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
- DisplayFatalError(buf, 0, 1);
- return;
- }
- /* [HGM] here we really should compare with the maximum supported board size */
- }
- }
- } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
snprintf(buf, MSG_SIZ, "variant %s\n", b);
SendToProgram(buf, cps);
}
SendToProgram("easy\n", cps);
}
if (cps->usePing) {
- snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
+ snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++cps->lastPing);
SendToProgram(buf, cps);
}
cps->initDone = TRUE;
SWAP(fenOverride, p)
SWAP(NPS, h)
SWAP(accumulateTC, h)
+ SWAP(drawDepth, h)
SWAP(host, p)
}
result, resultDetails ? resultDetails : "(null)", whosays);
}
- fromX = fromY = -1; // [HGM] abort any move the user is entering.
+ fromX = fromY = killX = killY = -1; // [HGM] abort any move the user is entering. // [HGM] lion
if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
ExitAnalyzeMode();
DoSleep( appData.delayBeforeQuit );
SendToProgram("quit\n", &first);
- DoSleep( appData.delayAfterQuit );
- DestroyChildProcess(first.pr, first.useSigterm);
+ DestroyChildProcess(first.pr, 4 + first.useSigterm);
first.reload = TRUE;
}
first.pr = NoProc;
if (second.pr != NoProc) {
DoSleep( appData.delayBeforeQuit );
SendToProgram("quit\n", &second);
- DoSleep( appData.delayAfterQuit );
- DestroyChildProcess(second.pr, second.useSigterm);
+ DestroyChildProcess(second.pr, 4 + second.useSigterm);
second.reload = TRUE;
}
second.pr = NoProc;
if(currentlyInitializedVariant != gameInfo.variant) {
char buf[MSG_SIZ];
// [HGM] variantswitch: make engine aware of new variant
- if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
+ if(!SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
+ gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, ""))
return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
SendToProgram(buf, cps);
ClearPremoveHighlights();
gotPremove = FALSE;
alarmSounded = FALSE;
+ killX = killY = -1; // [HGM] lion
GameEnds(EndOfFile, NULL, GE_PLAYER);
if(appData.serverMovesName != NULL) {
case WhiteNonPromotion:
case BlackNonPromotion:
case NormalMove:
+ case FirstLeg:
case WhiteKingSideCastle:
case WhiteQueenSideCastle:
case BlackKingSideCastle:
toX = currentMoveString[2] - AAA;
toY = currentMoveString[3] - ONE;
promoChar = currentMoveString[4];
+ if(promoChar == ';') promoChar = NULLCHAR;
break;
case WhiteDrop:
thinkOutput[0] = NULLCHAR;
MakeMove(fromX, fromY, toX, toY, promoChar);
+ killX = killY = -1; // [HGM] lion: used up
currentMove = forwardMostMove;
return TRUE;
}
PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
{
int sq = fromX + (fromY<<4);
- int piece = quickBoard[sq];
+ int piece = quickBoard[sq], rook;
quickBoard[sq] = 0;
moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
- if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
+ if(piece == pieceList[1] && fromY == toY) {
+ if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
moveDatabase[movePtr++].piece = Q_WCASTL;
quickBoard[sq] = piece;
piece = quickBoard[from]; quickBoard[from] = 0;
moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
+ } else if((rook = quickBoard[sq]) && pieceType[rook] == WhiteRook) { // FRC castling
+ quickBoard[sq] = 0; // remove Rook
+ moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2); // King to-square
+ moveDatabase[movePtr++].piece = Q_WCASTL;
+ quickBoard[sq] = pieceList[1]; // put King
+ piece = rook;
+ moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
+ }
} else
- if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
+ if(piece == pieceList[2] && fromY == toY) {
+ if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
moveDatabase[movePtr++].piece = Q_BCASTL;
quickBoard[sq] = piece;
piece = quickBoard[from]; quickBoard[from] = 0;
moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
+ } else if((rook = quickBoard[sq]) && pieceType[rook] == BlackRook) { // FRC castling
+ quickBoard[sq] = 0; // remove Rook
+ moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2);
+ moveDatabase[movePtr++].piece = Q_BCASTL;
+ quickBoard[sq] = pieceList[2]; // put King
+ piece = rook;
+ moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
+ }
} else
if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
quickBoard[(fromY<<4)+toX] = 0;
for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
initDone = TRUE;
}
- if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
+ if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen, FALSE);
else CopyBoard(boards[scratch], initialPosition); // default start position
if(lg->moves) {
turn = btm + 1;
case WhiteNonPromotion:
case BlackNonPromotion:
case NormalMove:
+ case FirstLeg:
case WhiteKingSideCastle:
case WhiteQueenSideCastle:
case BlackKingSideCastle:
if (gameMode != BeginningOfGame) {
Reset(FALSE, TRUE);
}
+ killX = killY = -1; // [HGM] lion: in case we did not Reset
gameFileFP = f;
if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
break;
case NormalMove:
+ case FirstLeg:
/* Only a NormalMove can be at the start of a game
* without a position diagram. */
if (lastLoadGameStart == EndOfFile ) {
if (gameInfo.fen != NULL) {
Board initial_position;
startedFromSetupPosition = TRUE;
- if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
+ if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen, TRUE)) {
Reset(TRUE, TRUE);
DisplayError(_("Bad FEN position in file"), 0);
return FALSE;
}
if (fenMode) {
- if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
+ if (!ParseFEN(initial_position, &blackPlaysFirst, line, TRUE)) {
DisplayError(_("Bad FEN position in file"), 0);
return FALSE;
}
DoSleep( appData.delayBeforeQuit );
SendToProgram("quit\n", &first);
- DoSleep( appData.delayAfterQuit );
- DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
+ DestroyChildProcess(first.pr, 4 + first.useSigterm /* [AS] first.useSigterm */ );
}
if (second.pr != NoProc) {
DoSleep( appData.delayBeforeQuit );
SendToProgram("quit\n", &second);
- DoSleep( appData.delayAfterQuit );
- DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
+ DestroyChildProcess(second.pr, 4 + second.useSigterm /* [AS] second.useSigterm */ );
}
if (first.isr != NULL) {
RemoveInputSource(first.isr);
}
if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
- if(second.protocolVersion >= 2 && !strstr(second.variants, VariantName(gameInfo.variant))) {
+ if(!SupportedVariant(second.variants, gameInfo.variant, gameInfo.boardWidth,
+ gameInfo.boardHeight, gameInfo.holdingsSize, second.protocolVersion, second.tidy)) {
startingEngine = FALSE;
DisplayError("second engine does not play this", 0);
return;
{
char buf[MSG_SIZ];
ChessSquare piece = boards[0][y][x];
- static Board erasedBoard, currentBoard, menuBoard;
+ static Board erasedBoard, currentBoard, menuBoard, nullBoard;
+ static int lastVariant;
if (gameMode != EditPosition && gameMode != IcsExamining) return;
p = menuBoard[BOARD_HEIGHT-1][x];
for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[BOARD_HEIGHT-1][y] == p) menuBoard[BOARD_HEIGHT-1][y] = EmptySquare;
}
+ DisplayMessage("Clicking clock again restores position", "");
+ if(gameInfo.variant != lastVariant) lastVariant = gameInfo.variant, CopyBoard(erasedBoard, boards[0]);
if(!nonEmpty) { // asked to clear an empty board
CopyBoard(boards[0], menuBoard);
} else
if(CompareBoards(currentBoard, menuBoard)) { // asked to clear an empty board
CopyBoard(boards[0], initialPosition);
} else
- if(CompareBoards(currentBoard, initialPosition) && !CompareBoards(currentBoard, erasedBoard)) {
+ if(CompareBoards(currentBoard, initialPosition) && !CompareBoards(currentBoard, erasedBoard)
+ && !CompareBoards(nullBoard, erasedBoard)) {
CopyBoard(boards[0], erasedBoard);
} else
CopyBoard(erasedBoard, currentBoard);
ChessMove moveType;
// [HGM] FENedit
- if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
+ if(gameMode == EditPosition && ParseFEN(board, &n, move, TRUE) ) {
EditPositionPasteFEN(move);
return;
}
}
Boolean
-ParseFEN (Board board, int *blackPlaysFirst, char *fen)
+ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize)
{
- int i, j;
+ int i, j, k, w=0;
char *p, c;
int emptycount, virgin[BOARD_FILES];
ChessSquare piece;
p = fen;
- /* [HGM] by default clear Crazyhouse holdings, if present */
- if(gameInfo.holdingsWidth) {
- for(i=0; i<BOARD_HEIGHT; i++) {
- board[i][0] = EmptySquare; /* black holdings */
- board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
- board[i][1] = (ChessSquare) 0; /* black counts */
- board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
- }
- }
-
/* Piece placement data */
for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
j = 0;
for (;;) {
- if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
- if (*p == '/') p++;
+ if (*p == '/' || *p == ' ' || *p == '[' ) {
+ if(j > w) w = j;
emptycount = gameInfo.boardWidth - j;
while (emptycount--)
board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
+ if (*p == '/') p++;
+ else if(autoSize) { // 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];
+ }
+ appData.NrRanks = gameInfo.boardHeight - i; i=0;
+ }
break;
#if(BOARD_FILES >= 10)
} else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
if(*p=='+') {
piece = CharToPiece(*++p);
if(piece == EmptySquare) return FALSE; /* unknown piece */
- piece = (ChessSquare) (PROMOTED piece ); p++;
+ piece = (ChessSquare) (CHUPROMOTED piece ); p++;
if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
} else piece = CharToPiece(*p++);
}
while (*p == '/' || *p == ' ') p++;
+ if(autoSize) appData.NrFiles = w, InitPosition(TRUE);
+
+ /* [HGM] by default clear Crazyhouse holdings, if present */
+ if(gameInfo.holdingsWidth) {
+ for(i=0; i<BOARD_HEIGHT; i++) {
+ board[i][0] = EmptySquare; /* black holdings */
+ board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
+ board[i][1] = (ChessSquare) 0; /* black counts */
+ board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
+ }
+ }
+
/* [HGM] look for Crazyhouse holdings here */
while(*p==' ') p++;
if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
if (fen != NULL) {
Board initial_position;
- if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
+ if (!ParseFEN(initial_position, &blackPlaysFirst, fen, TRUE)) {
DisplayError(_("Bad FEN position in clipboard"), 0);
return ;
} else {