case VariantGrand:
flags &= ~F_ALL_CASTLE_OK;
break;
+ case VariantChu:
+ case VariantChuChess:
+ case VariantLion:
+ flags |= F_NULL_MOVE;
+ break;
default:
break;
}
DrawPosition(FALSE, boards[currentMove]);
return;
} else if (toX >= 0 && toY >= 0) {
+ if(!appData.pieceMenu && toX == fromX && toY == fromY && boards[0][rf][ff] != EmptySquare) {
+ ChessSquare q, p = boards[0][rf][ff];
+ if(p >= BlackPawn) p = BLACK_TO_WHITE p;
+ if(CHUPROMOTED p < BlackPawn) p = q = CHUPROMOTED boards[0][rf][ff];
+ else p = CHUDEMOTED (q = boards[0][rf][ff]);
+ if(PieceToChar(q) == '+') gatingPiece = p;
+ }
boards[0][toY][toX] = boards[0][fromY][fromX];
if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
if(boards[0][fromY][0] != EmptySquare) {
return;
}
- if(toX < 0 || toY < 0) return;
+ if((toX < 0 || toY < 0) && (fromY != DROP_RANK || fromX != EmptySquare)) return;
pup = boards[currentMove][toY][toX];
/* [HGM] If move started in holdings, it means a drop. Convert to standard form */
moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
fromY, fromX, toY, toX, promoChar);
- if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
+ if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame || PosFlags(0) & F_NULL_MOVE)) moveType = NormalMove;
/* [HGM] but possibly ignore an IllegalMove result */
if (appData.testLegality) {
if (gameMode == EditPosition || gameMode == IcsExamining) {
if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
SetBlackToPlayEvent();
- } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
+ } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
+ gameMode == MachinePlaysBlack && PosFlags(0) & F_NULL_MOVE && !blackFlag && !shiftKey) && WhiteOnMove(currentMove)) {
UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
} else if (shiftKey) {
AdjustClock(which, -1);
if (gameMode == EditPosition || gameMode == IcsExamining) {
if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
SetWhiteToPlayEvent();
- } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
+ } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
+ gameMode == MachinePlaysWhite && PosFlags(0) & F_NULL_MOVE && !whiteFlag && !shiftKey) && !WhiteOnMove(currentMove)) {
UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
} else if (shiftKey) {
AdjustClock(which, -1);