#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
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();
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
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,
/* [HGM] debug */
cps->debug = FALSE;
+ cps->drawDepth = appData.drawDepth[n];
cps->supportsNPS = UNKNOWN;
cps->memSize = FALSE;
cps->maxCores = FALSE;
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 == VariantChu) {
+ if(gameInfo.variant == VariantLion || gameInfo.variant == VariantChuChess || gameInfo.variant == VariantChu) {
sprintf(buf, "%s@@@@\n", cps->useUsermove ? "usermove " : "");
SendToProgram(buf, cps);
return;
}
-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 || promoSweep == WhiteLion || promoSweep == BlackLion) ||
- IS_SHOGI(gameInfo.variant) && promoSweep != CHUPROMOTED last && last != CHUPROMOTED 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;
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 */
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) {
initialPosition[BOARD_HEIGHT-1-i][j] = pieces[2*i+1][j-gameInfo.holdingsWidth];
}
}
- if(gameInfo.variant == VariantGrand) {
+ 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;
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) {
+ } else if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantChuChess) {
promotionZoneSize = BOARD_HEIGHT/3;
highestPromotingPiece = (int)WhiteAlfil;
- } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
+ } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
promotionZoneSize = 3;
}
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(IS_SHOGI(gameInfo.variant)) *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, IS_SHOGI(gameInfo.variant) ? '+' : 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;
}
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] = baseMarker[y][x] = 0;
+ 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(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 );
}
{
static int oldX = -1, oldY = -1, oldFromX = -1, oldFromY = -1;
int r, f;
- if(dragging == 2) DragPieceMove(xPix, yPix); // [HGM] lion: drag without button for second leg
if(!first.highlight) return;
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
+ 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(oldX != x || oldY != 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]) {
toY = y;
}
+ 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
return;
}
if(dragging == 2) { // [HGM] lion: just turn buttonless drag into normal drag, and let release to the job
- dragging = 1;
return;
}
if(x == killX && y == killY) { // second click on this square, which was selected as first-leg target
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(CHUPROMOTED piece) == '+') promoSweep = CHUPROMOTED 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;
ClearHighlights();
}
} else if(sweepSelecting) { // this must be the up-click corresponding to the down-click that started the sweep
- sweepSelecting = 0;
+ 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();
}
#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);
DisplayMessage("Click in holdings to choose piece", "");
return;
}
- PromotionPopUp();
+ PromotionPopUp(promoChoice);
} else {
int oldMove = currentMove;
UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
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
}
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 (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)) {
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 */
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[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) (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
default:
break;
case MT_CHECK:
- if(gameInfo.variant != VariantShogi)
+ if(!IS_SHOGI(gameInfo.variant))
strcat(parseList[forwardMostMove - 1], "+");
break;
case MT_CHECKMATE:
}
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;
- if( gameInfo.variant == VariantChu )
- overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 12 || gameInfo.holdingsSize != 0;
- 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)
}
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);
}
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;
projects / xboard.git / blobdiff