boards[moveNum][EP_STATUS] = EP_NONE;
if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
- if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
+ if(double_push != -1) {
+ int dir = WhiteOnMove(moveNum) ? 1 : -1, last = BOARD_HEIGHT-1;
+ boards[moveNum][EP_FILE] = // also set new e.p. variables
+ boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
+ boards[moveNum][EP_RANK] = (last + 3*dir)/2;
+ boards[moveNum][LAST_TO] = 128*(last + dir) + boards[moveNum][EP_FILE];
+ } else boards[moveNum][EP_FILE] = boards[moveNum][EP_RANK] = 100;
if (ics_getting_history == H_GOT_REQ_HEADER ||
shuffleOpenings = 1;
break;
case VariantNoCastle:
- pieces = FIDEArray;
- nrCastlingRights = 0;
/* !!?unconstrained back-rank shuffle */
shuffleOpenings = 1;
+ case VariantSuicide:
+ pieces = FIDEArray;
+ nrCastlingRights = 0;
break;
}
Boolean right; // instructs front-end to use button-1 events as if they were button 3
Boolean deferChoice;
+int createX = -1, createY = -1; // square where we last created a piece in EditPosition mode
void
LeftClick (ClickType clickType, int xPix, int yPix)
} else if(y == BOARD_HEIGHT-1) { handOffsets &= ~2; DrawPosition(TRUE, boards[currentMove]); return; }
}
- if(appData.monoMouse && gameMode == EditPosition && fromX < 0 && clickType == Press && boards[currentMove][y][x] == EmptySquare) {
+ if(appData.monoMouse && gameMode == EditPosition && fromX < 0 && clickType == Press &&
+ (boards[currentMove][y][x] == EmptySquare || x == createX && y == createY) ) {
static int dummy;
RightClick(clickType, xPix, yPix, &dummy, &dummy);
right = TRUE;
return;
}
+ createX = createY = -1;
+
if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
if (xSqr < 0 || ySqr < 0) return -1;
if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
+ if(flipView) xSqr = BOARD_WIDTH - 1 - xSqr; else ySqr = BOARD_HEIGHT - 1 - ySqr;
+ if(xSqr == createX && ySqr == createY && xSqr != BOARD_LEFT-2 && xSqr != BOARD_RGHT+1) {
+ ChessSquare p = boards[currentMove][ySqr][xSqr];
+ do { if(++p == EmptySquare) p = WhitePawn; } while(PieceToChar(p) == '.');
+ boards[currentMove][ySqr][xSqr] = p; DrawPosition(FALSE, boards[currentMove]);
+ return -2;
+ }
pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
- toX = xSqr; toY = ySqr; lastX = x, lastY = y;
- if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
+ createX = toX = xSqr; createY = toY = ySqr; lastX = x, lastY = y;
NextPiece(0);
return 2; // grab
case IcsObserving:
return 1;
}
} else moveCount = 6;
+
+ if(gameInfo.variant == VariantMakruk && // Makruk counting rules
+ (nrW == 1 || nrB == 1 || nr[WhitePawn] + nr[BlackPawn] == 0)) { // which only kick in when pawnless or bare King
+ int maxcnt, his, mine, c, wom = WhiteOnMove(forwardMostMove);
+ count = forwardMostMove;
+ while(count >= backwardMostMove) {
+ int np = nr[WhitePawn] + nr[BlackPawn];
+ if(wom) mine = nrW, his = nrB, c = BlackPawn;
+ else mine = nrB, his = nrW, c = WhitePawn;
+ if(mine > 1 && np) { count++; break; }
+ if(mine > 1) maxcnt = 64; else
+ maxcnt = (nr[WhiteRook+c] > 1 ? 8 : nr[WhiteRook+c] ? 16 : nr[WhiteMan+c] > 1 ? 22 :
+ nr[WhiteKnight+c] > 1 ? 32 : nr[WhiteMan+c] ? 44 : 64) - his - 1;
+ while(boards[count][EP_STATUS] != EP_CAPTURE && count > backwardMostMove) count--; // seek previous character
+ if(count == backwardMostMove) break;
+ if(forwardMostMove - count >= 2*maxcnt + 1 - (mine == 1)) break;
+ Count(boards[--count], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
+ }
+ if(forwardMostMove - count >= 2*maxcnt + 1 - (mine == 1)) {
+ boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
+ if(canAdjudicate && appData.ruleMoves >= 0) {
+ GameEnds( GameIsDrawn, "Xboard adjudication: counting rule", GE_XBOARD );
+ return 1;
+ }
+ }
+ }
}
// Repetition draws and 50-move rule can be applied independently of legality testing