int gs_gamenum;
char gs_kind[MSG_SIZ];
static char player1Name[128] = "";
-static char player2Name[128] = "";\r
+static char player2Name[128] = "";
static char cont_seq[] = "\n\\ ";
static int player1Rating = -1;
static int player2Rating = -1;
}
int
-IsPromotion(fromX, fromY, toX, toY)
- int fromX, fromY, toX, toY;
+HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice)
{
+ /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
/* [HGM] add Shogi promotions */
int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
ChessSquare piece;
+ ChessMove moveType;
+ Boolean premove;
+
+ if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
+ if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
+
+ if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
+ !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
+ return FALSE;
- if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi ||
- !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) return FALSE;
- /* [HGM] Note to self: line above also weeds out drops */
piece = boards[currentMove][fromY][fromX];
if(gameInfo.variant == VariantShogi) {
promotionZoneSize = 3;
- highestPromotingPiece = (int)WhiteKing;
- /* [HGM] Should be Silver = Ferz, really, but legality testing is off,
- and if in normal chess we then allow promotion to King, why not
- allow promotion of other piece in Shogi? */
+ highestPromotingPiece = (int)WhiteFerz;
}
+
+ // next weed out all moves that do not touch the promotion zone at all
if((int)piece >= BlackPawn) {
if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
return FALSE;
if( toY < BOARD_HEIGHT - promotionZoneSize &&
fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
}
- return ( (int)piece <= highestPromotingPiece );
+
+ if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
+
+ // weed out mandatory Shogi promotions
+ if(gameInfo.variant == VariantShogi) {
+ if(piece >= BlackPawn) {
+ if(toY == 0 && piece == BlackPawn ||
+ toY == 0 && piece == BlackQueen ||
+ toY <= 1 && piece == BlackKnight) {
+ *promoChoice = '+';
+ return FALSE;
+ }
+ } else {
+ if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
+ toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
+ toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
+ *promoChoice = '+';
+ return FALSE;
+ }
+ }
+ }
+
+ // weed out obviously illegal Pawn moves
+ if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
+ if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
+ if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
+ if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
+ if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
+ // note we are not allowed to test for valid (non-)capture, due to premove
+ }
+
+ // we either have a choice what to promote to, or (in Shogi) whether to promote
+ if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier) {
+ *promoChoice = PieceToChar(BlackFerz); // no choice
+ return FALSE;
+ }
+ if(appData.alwaysPromoteToQueen) { // predetermined
+ if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantLosers)
+ *promoChoice = PieceToChar(BlackKing); // in Suicide Q is the last thing we want
+ else *promoChoice = PieceToChar(BlackQueen);
+ return FALSE;
+ }
+
+ // suppress promotion popup on illegal moves that are not premoves
+ premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
+ gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
+ if(appData.testLegality && !premove) {
+ moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
+ epStatus[currentMove], castlingRights[currentMove],
+ fromY, fromX, toY, toX, NULLCHAR);
+ if(moveType != WhitePromotionQueen && moveType != BlackPromotionQueen &&
+ moveType != WhitePromotionKnight && moveType != BlackPromotionKnight)
+ return FALSE;
+ }
+
+ return TRUE;
}
int
ChessMove moveType;
ChessSquare pdown, pup;
- if (fromX < 0 || fromY < 0) return ImpossibleMove;
-
- /* [HGM] suppress all moves into holdings area and guard band */
- if( toX < BOARD_LEFT || toX >= BOARD_RGHT || toY < 0 )
- return ImpossibleMove;
-
- /* [HGM] <sameColor> moved to here from winboard.c */
- /* note: capture of own piece can be legal as drag-drop premove. For click-click it is selection of new piece. */
- pdown = boards[currentMove][fromY][fromX];
- pup = boards[currentMove][toY][toX];
- if ( gameMode != EditPosition && !captureOwn &&
- (WhitePawn <= pdown && pdown < BlackPawn &&
- WhitePawn <= pup && pup < BlackPawn ||
- BlackPawn <= pdown && pdown < EmptySquare &&
- BlackPawn <= pup && pup < EmptySquare
- ) && !((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
- (pup == WhiteRook && pdown == WhiteKing && fromY == 0 && toY == 0||
- pup == BlackRook && pdown == BlackKing && fromY == BOARD_HEIGHT-1 && toY == BOARD_HEIGHT-1 ||
- pup == WhiteKing && pdown == WhiteRook && fromY == 0 && toY == 0|| // also allow RxK
- pup == BlackKing && pdown == BlackRook && fromY == BOARD_HEIGHT-1 && toY == BOARD_HEIGHT-1 )
- ) )
- return Comment;
-
/* Check if the user is playing in turn. This is complicated because we
let the user "pick up" a piece before it is his turn. So the piece he
tried to pick up may have been captured by the time he puts it down!
return ImpossibleMove;
}
+ pdown = boards[currentMove][fromY][fromX];
+ pup = boards[currentMove][toY][toX];
+
/* [HGM] If move started in holdings, it means a drop */
if( fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) {
if( pup != EmptySquare ) return ImpossibleMove;
FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
}
+void LeftClick(ClickType clickType, int xPix, int yPix)
+{
+ int x, y;
+ Boolean saveAnimate;
+ static int second = 0, promotionChoice = 0;
+ char promoChoice = NULLCHAR;
+
+ if (clickType == Press) ErrorPopDown();
+
+ x = EventToSquare(xPix, BOARD_WIDTH);
+ y = EventToSquare(yPix, BOARD_HEIGHT);
+ if (!flipView && y >= 0) {
+ y = BOARD_HEIGHT - 1 - y;
+ }
+ if (flipView && x >= 0) {
+ x = BOARD_WIDTH - 1 - x;
+ }
+
+ if(promotionChoice) { // we are waiting for a click to indicate promotion piece
+ if(clickType == Release) return; // ignore upclick of click-click destination
+ promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
+ if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
+ if(gameInfo.holdingsWidth &&
+ (WhiteOnMove(currentMove)
+ ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y > 0
+ : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT-1) ) {
+ // click in right holdings, for determining promotion piece
+ ChessSquare p = boards[currentMove][y][x];
+ if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
+ if(p != EmptySquare) {
+ FinishMove(NormalMove, fromX, fromY, toX, toY, ToLower(PieceToChar(p)));
+ fromX = fromY = -1;
+ return;
+ }
+ }
+ DrawPosition(FALSE, boards[currentMove]);
+ return;
+ }
+
+ /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
+ if(clickType == Press
+ && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
+ || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
+ || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
+ return;
+
+ if (fromX == -1) {
+ if (clickType == Press) {
+ /* First square */
+ if (OKToStartUserMove(x, y)) {
+ fromX = x;
+ fromY = y;
+ second = 0;
+ DragPieceBegin(xPix, yPix);
+ if (appData.highlightDragging) {
+ SetHighlights(x, y, -1, -1);
+ }
+ }
+ }
+ return;
+ }
+
+ /* fromX != -1 */
+ if (clickType == Press && gameMode != EditPosition) {
+ ChessSquare fromP;
+ ChessSquare toP;
+ int frc;
+
+ // ignore off-board to clicks
+ if(y < 0 || x < 0) return;
+
+ /* Check if clicking again on the same color piece */
+ fromP = boards[currentMove][fromY][fromX];
+ toP = boards[currentMove][y][x];
+ frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom;
+ if ((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))) {
+ /* Clicked again on same color piece -- changed his mind */
+ second = (x == fromX && y == fromY);
+ if (appData.highlightDragging) {
+ SetHighlights(x, y, -1, -1);
+ } else {
+ ClearHighlights();
+ }
+ if (OKToStartUserMove(x, y)) {
+ fromX = x;
+ fromY = y;
+ DragPieceBegin(xPix, yPix);
+ }
+ return;
+ }
+ // ignore to-clicks in holdings
+ if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
+ }
+
+ if (clickType == Release && (x == fromX && y == fromY ||
+ x < BOARD_LEFT || x >= BOARD_RGHT)) {
+
+ // treat drags into holding as click on start square
+ x = fromX; y = fromY;
+
+ DragPieceEnd(xPix, yPix);
+ if (appData.animateDragging) {
+ /* Undo animation damage if any */
+ DrawPosition(FALSE, NULL);
+ }
+ if (second) {
+ /* Second up/down in same square; just abort move */
+ second = 0;
+ fromX = fromY = -1;
+ ClearHighlights();
+ gotPremove = 0;
+ ClearPremoveHighlights();
+ } else {
+ /* First upclick in same square; start click-click mode */
+ SetHighlights(x, y, -1, -1);
+ }
+ return;
+ }
+
+ /* we now have a different from- and to-square */
+ /* Completed move */
+ toX = x;
+ toY = y;
+ saveAnimate = appData.animate;
+ if (clickType == Press) {
+ /* Finish clickclick move */
+ if (appData.animate || appData.highlightLastMove) {
+ SetHighlights(fromX, fromY, toX, toY);
+ } else {
+ ClearHighlights();
+ }
+ } else {
+ /* Finish drag move */
+ if (appData.highlightLastMove) {
+ SetHighlights(fromX, fromY, toX, toY);
+ } else {
+ ClearHighlights();
+ }
+ DragPieceEnd(xPix, yPix);
+ /* Don't animate move and drag both */
+ appData.animate = FALSE;
+ }
+ if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
+ SetHighlights(fromX, fromY, toX, toY);
+ if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
+ // [HGM] super: promotion to captured piece selected from holdings
+ ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
+ promotionChoice = TRUE;
+ // kludge follows to temporarily execute move on display, without promoting yet
+ boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
+ boards[currentMove][toY][toX] = p;
+ DrawPosition(FALSE, boards[currentMove]);
+ boards[currentMove][fromY][fromX] = p; // take back, but display stays
+ boards[currentMove][toY][toX] = q;
+ DisplayMessage("Click in holdings to choose piece", "");
+ return;
+ }
+ PromotionPopUp();
+ } else {
+ UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
+ if (!appData.highlightLastMove || gotPremove) ClearHighlights();
+ if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
+ fromX = fromY = -1;
+ }
+ appData.animate = saveAnimate;
+ if (appData.animate || appData.animateDragging) {
+ /* Undo animation damage if needed */
+ DrawPosition(FALSE, NULL);
+ }
+}
+
void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
{
// char * hint = lastHint;
projects / xboard.git / blobdiff