char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
extern int chatCount;
int chattingPartner;
+char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
/* States for ics_getting_history */
#define H_FALSE 0
return AmbiguousMove;
} else if (toX >= 0 && toY >= 0) {
boards[0][toY][toX] = boards[0][fromY][fromX];
+ if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
+ if(boards[0][fromY][0] != EmptySquare) {
+ if(boards[0][fromY][1]) boards[0][fromY][1]--;
+ if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
+ }
+ } else
+ if(fromX == BOARD_RGHT+1) {
+ if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
+ if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
+ if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
+ }
+ } else
boards[0][fromY][fromX] = EmptySquare;
return AmbiguousMove;
}
FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
}
+void
+Mark(board, flags, kind, rf, ff, rt, ft, closure)
+ Board board;
+ int flags;
+ ChessMove kind;
+ int rf, ff, rt, ft;
+ VOIDSTAR closure;
+{
+ typedef char Markers[BOARD_RANKS][BOARD_FILES];
+ Markers *m = (Markers *) closure;
+ if(rf == fromY && ff == fromX)
+ (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
+ || kind == WhiteCapturesEnPassant
+ || kind == BlackCapturesEnPassant);
+ else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
+}
+
+void
+MarkTargetSquares(int clear)
+{
+ int x, y;
+ if(!appData.markers || !appData.highlightDragging ||
+ !appData.testLegality || gameMode == EditPosition) return;
+ if(clear) {
+ for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
+ } else {
+ int capt = 0;
+ GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker);
+ if(PosFlags(0) & F_MANDATORY_CAPTURE) {
+ for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
+ if(capt)
+ for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
+ }
+ }
+ DrawPosition(TRUE, NULL);
+}
+
void LeftClick(ClickType clickType, int xPix, int yPix)
{
int x, y;
char promoChoice = NULLCHAR;
if (clickType == Press) ErrorPopDown();
+ MarkTargetSquares(1);
x = EventToSquare(xPix, BOARD_WIDTH);
y = EventToSquare(yPix, BOARD_HEIGHT);
fromX = x;
fromY = y;
second = 0;
+ MarkTargetSquares(0);
DragPieceBegin(xPix, yPix);
if (appData.highlightDragging) {
SetHighlights(x, y, -1, -1);
if (OKToStartUserMove(x, y)) {
fromX = x;
fromY = y;
+ MarkTargetSquares(0);
DragPieceBegin(xPix, yPix);
}
return;
appData.animate = FALSE;
}
- // moves into holding are invalid for now (later perhaps allow in EditPosition)
+ // moves into holding are invalid for now (except in EditPosition, adapting to-square)
if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
+ ChessSquare piece = boards[currentMove][fromY][fromX];
+ if(gameMode == EditPosition && piece != EmptySquare &&
+ fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
+ int n;
+
+ if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
+ n = PieceToNumber(piece - (int)BlackPawn);
+ if(n > gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
+ boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
+ boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
+ } else
+ if(x == BOARD_RGHT+1 && piece < BlackPawn) {
+ n = PieceToNumber(piece);
+ if(n > gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
+ boards[currentMove][n][BOARD_WIDTH-1] = piece;
+ boards[currentMove][n][BOARD_WIDTH-2]++;
+ }
+ boards[currentMove][fromY][fromX] = EmptySquare;
+ }
ClearHighlights();
fromX = fromY = -1;
- DrawPosition(TRUE, NULL);
+ DrawPosition(TRUE, boards[currentMove]);
return;
}
case EmptySquare:
if (gameMode == IcsExamining) {
+ if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
sprintf(buf, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
SendToICS(buf);
} else {
+ if(x < BOARD_LEFT || x >= BOARD_RGHT) {
+ if(x == BOARD_LEFT-2) {
+ if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
+ boards[0][y][1] = 0;
+ } else
+ if(x == BOARD_RGHT+1) {
+ if(y >= gameInfo.holdingsSize) break;
+ boards[0][y][BOARD_WIDTH-2] = 0;
+ } else break;
+ }
boards[0][y][x] = EmptySquare;
DrawPosition(FALSE, boards[0]);
}
default:
defaultlabel:
if (gameMode == IcsExamining) {
+ if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
sprintf(buf, "%s%c@%c%c\n", ics_prefix,
PieceToChar(selection), AAA + x, ONE + y);
SendToICS(buf);
} else {
+ if(x < BOARD_LEFT || x >= BOARD_RGHT) {
+ int n;
+ if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
+ n = PieceToNumber(selection - BlackPawn);
+ if(n > gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
+ boards[0][BOARD_HEIGHT-1-n][0] = selection;
+ boards[0][BOARD_HEIGHT-1-n][1]++;
+ } else
+ if(x == BOARD_RGHT+1 && selection < BlackPawn) {
+ n = PieceToNumber(selection);
+ if(n > gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
+ boards[0][n][BOARD_WIDTH-1] = selection;
+ boards[0][n][BOARD_WIDTH-2]++;
+ }
+ } else
boards[0][y][x] = selection;
- DrawPosition(FALSE, boards[0]);
+ DrawPosition(TRUE, boards[0]);
}
break;
}