X-Git-Url: http://winboard.nl/cgi-bin?a=blobdiff_plain;f=backend.c;h=57c06b9c171cefbaa098a1d710f612718a830f56;hb=57c7fed9ebd0ac59ba8e6ba5ec9463acd0182998;hp=ef6f83973432137b53fe029bf2f76180ea147fac;hpb=e3955dbbd7fbfb0fd22d5a75971075556a102e66;p=xboard.git

diff --git a/backend.c b/backend.c
index ef6f839..57c06b9 100644
--- a/backend.c
+++ b/backend.c
@@ -4209,6 +4209,12 @@ read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int
                                                         parse, currentMove);
 		    if (sscanf(parse, " game %d", &gamenum) == 1) {
 		      if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
+			new_piece[0] = NULLCHAR;
+			sscanf(parse, "game %d white [%s black [%s <- %s",
+			       &gamenum, white_holding, black_holding,
+			       new_piece);
+                        white_holding[strlen(white_holding)-1] = NULLCHAR;
+                        black_holding[strlen(black_holding)-1] = NULLCHAR;
 		        if (gameInfo.variant == VariantNormal) {
                           /* [HGM] We seem to switch variant during a game!
                            * Presumably no holdings were displayed, so we have
@@ -4219,7 +4225,10 @@ read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int
 			  switch(gameInfo.boardWidth) { // base guess on board width
 				case 9:  newVariant = VariantShogi; break;
 				case 10: newVariant = VariantGreat; break;
-				default: newVariant = VariantCrazyhouse; break;
+				default: newVariant = VariantCrazyhouse;
+				     if(strchr(white_holding, 'E') || strchr(black_holding, 'E') || 
+					strchr(white_holding, 'H') || strchr(black_holding, 'H')   )
+					 newVariant = VariantSChess;
 			  }
                           VariantSwitch(boards[currentMove], newVariant); /* temp guess */
 			  /* Get a move list just to see the header, which
@@ -4230,12 +4239,6 @@ read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int
 			    SendToICS(str);
 			  }
 			}
-			new_piece[0] = NULLCHAR;
-			sscanf(parse, "game %d white [%s black [%s <- %s",
-			       &gamenum, white_holding, black_holding,
-			       new_piece);
-                        white_holding[strlen(white_holding)-1] = NULLCHAR;
-                        black_holding[strlen(black_holding)-1] = NULLCHAR;
                         /* [HGM] copy holdings to board holdings area */
                         CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
                         CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
@@ -18467,6 +18470,12 @@ PositionToFEN (int move, char *overrideCastling, int moveCounts)
   }
   }
 
+    i = boards[move][CHECK_COUNT];
+    if(i) {
+	sprintf(p, "%d+%d ", i&255, i>>8);
+	while(*p) p++;
+    }
+
     if(moveCounts)
     {   int i = 0, j=move;
 
@@ -18827,10 +18836,19 @@ ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize)
       }
     }
 
+    while(*p == ' ') p++;
+
+    board[CHECK_COUNT] = 0; // [HGM] 3check: check-count field
+    if(sscanf(p, "%d+%d", &i, &j) == 2) {
+	board[CHECK_COUNT] = i + 256*j;
+ 	while(*p && *p != ' ') p++;
+    }
 
-    if(sscanf(p, "%d", &i) == 1) {
+    c = sscanf(p, "%d%*d +%d+%d", &i, &j, &k);
+    if(c > 0) {
         FENrulePlies = i; /* 50-move ply counter */
         /* (The move number is still ignored)    */
+	if(c == 3 && !board[CHECK_COUNT]) board[CHECK_COUNT] = (3 - j) + 256*(3 - k); // SCIDB-style check count
     }
 
     return TRUE;