X-Git-Url: http://winboard.nl/cgi-bin?a=blobdiff_plain;f=backend.c;h=f465f95c07fe27d7a5f31e5eca23a7ffc7c2f1a5;hb=bc82c5edb1fefc925642a5b19e4a96caa92f76e3;hp=2e9e18d236cacb90a83a4d37243f3b8d82d8cad4;hpb=e87c200d0b9a61b23af0782f5b4c0d32aa62fd4a;p=xboard.git

diff --git a/backend.c b/backend.c
index 2e9e18d..f465f95 100644
--- a/backend.c
+++ b/backend.c
@@ -1600,6 +1600,7 @@ InitBackEnd3 P((void))
     char buf[MSG_SIZ];
     int err, len;
 
+    ParseFeatures(appData.features[0], &first);
     if(!appData.icsActive && !appData.noChessProgram && !appData.matchMode &&                         // mode involves only first engine
        !strcmp(appData.variant, "normal") &&                                                          // no explicit variant request
         appData.NrRanks == -1 && appData.NrFiles == -1 && appData.holdingsSize == -1 &&               // no size overrides requested
@@ -4301,7 +4302,7 @@ read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int
 
     } else if (count == 0) {
 	RemoveInputSource(isr);
-        DisplayFatalError(_("Connection closed by ICS"), 0, 0);
+        DisplayFatalError(_("Connection closed by ICS"), 0, 6666);
     } else {
 	DisplayFatalError(_("Error reading from ICS"), error, 1);
     }
@@ -6498,7 +6499,7 @@ SendBoard (ChessProgramState *cps, int moveNum)
        * deprecated "black" command.
        */
       if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
-        SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
+        SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn && !pieceDesc[WhitePawn] ? "a2a3\n" : "black\nforce\n", cps);
 
       if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
 
@@ -10212,14 +10213,14 @@ ParseGameHistory (char *game)
 void
 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
 {
-  ChessSquare captured = board[toY][toX], piece, pawn, king, killed, killed2; int p, rookX, oldEP, epRank, berolina = 0;
+  ChessSquare captured = board[toY][toX], piece, pawn, king, killed, killed2; int p, rookX, oldEP, epRank, epFile, berolina = 0;
   int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess ? 3 : 1;
 
     /* [HGM] compute & store e.p. status and castling rights for new position */
     /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
 
       if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
-      oldEP = (signed char)board[EP_FILE]; epRank = board[EP_RANK];
+      oldEP = (signed char)board[EP_FILE]; epRank = board[EP_RANK]; epFile = board[EP_FILE];
       board[EP_STATUS] = EP_NONE;
       board[EP_FILE] = board[EP_RANK] = 100;
 
@@ -10253,6 +10254,13 @@ ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
       }
 
       pawn = board[fromY][fromX];
+      if(pieceDesc[pawn] && strchr(pieceDesc[pawn], 'e')) { // piece with user-defined e.p. capture
+	if(captured == EmptySquare && toX == epFile && (toY == (epRank & 127) || toY + (pawn < BlackPawn ? -1 : 1) == epRank - 128)) {
+	    captured = board[epRank + (pawn < BlackPawn ? -1 : 1)][oldEP & berolina-1]; // remove victim
+	    board[epRank + (pawn < BlackPawn ? -1 : 1)][oldEP & berolina-1] = EmptySquare;
+	    pawn = EmptySquare; // kludge to suppress old e.p. code
+	}
+      }
       if( pawn == WhiteLance || pawn == BlackLance ) {
            if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu ) {
                if(gameInfo.variant == VariantSpartan) board[EP_STATUS] = EP_PAWN_MOVE; // in Spartan no e.p. rights must be set
@@ -11672,7 +11680,7 @@ GameEnds (ChessMove result, char *resultDetails, int whosays)
 	       && result != GameIsDrawn)
 	    {   int i, j, k=0, oppoKings = 0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
 		for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
-			int p = (signed char)boards[forwardMostMove][i][j] - color;
+			int p = (int)boards[forwardMostMove][i][j] - color;
 			if(p >= 0 && p <= (int)WhiteKing) k++;
 			oppoKings += (p + color == WhiteKing + BlackPawn - color);
 		}
@@ -14877,7 +14885,9 @@ MachineWhiteEvent ()
 
 	safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
 	strcat(bookMove, bookHit);
-	HandleMachineMove(bookMove, &first);
+	savedMessage = bookMove; // args for deferred call
+	savedState = &first;
+	ScheduleDelayedEvent(DeferredBookMove, 1);
     }
 }
 
@@ -14952,7 +14962,9 @@ MachineBlackEvent ()
 
 	safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
 	strcat(bookMove, bookHit);
-	HandleMachineMove(bookMove, &first);
+	savedMessage = bookMove; // args for deferred call
+	savedState = &first;
+	ScheduleDelayedEvent(DeferredBookMove, 1);
     }
 }
 
@@ -19081,8 +19093,10 @@ LoadTheme ()
 	q = appData.themeNames;
 	snprintf(buf, BUF_SIZ, "\"%s\"", nickName);
       if(appData.useBitmaps) {
-	snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
-		appData.liteBackTextureFile, appData.darkBackTextureFile,
+	snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -ubt true -lbtf \"%s\"",
+		Shorten(appData.liteBackTextureFile));
+	snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -dbtf \"%s\" -lbtm %d -dbtm %d",
+		Shorten(appData.darkBackTextureFile),
 		appData.liteBackTextureMode,
 		appData.darkBackTextureMode );
       } else {
@@ -19109,7 +19123,7 @@ LoadTheme ()
       } else {
 	snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -upf false");
 	if(appData.pieceDirectory[0]) {
-	  snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -pid \"%s\"", appData.pieceDirectory);
+	  snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -pid \"%s\"", Shorten(appData.pieceDirectory));
 	  if(appData.trueColors != 2) // 2 is a kludge to suppress this in WinBoard
 	    snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -trueColors %s", appData.trueColors ? "true" : "false");
 	}