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
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;