X-Git-Url: http://winboard.nl/cgi-bin?a=blobdiff_plain;f=backend.c;h=3f673a541a1f637fd961e5a0215b26befa7bf4df;hb=9089c023e881715fe42fe104d24df44489cd3e35;hp=48a625a85f03dc988d334ea0abeddd1a7adebefc;hpb=cd63bf5b43dae0ac9d9ae1efaba0e23270f65760;p=xboard.git

diff --git a/backend.c b/backend.c
index 48a625a..3f673a5 100644
--- a/backend.c
+++ b/backend.c
@@ -6003,19 +6003,10 @@ ptclen (const char *s, char *escapes)
 {
     int n = 0;
     if(!*escapes) return strlen(s);
-    while(*s) n += (*s != '-' && *s != '^' && *s != '*' && !strchr(escapes, *s)), s++;
+    while(*s) n += (*s != '/' && *s != '-' && *s != '^' && *s != '*' && !strchr(escapes, *s)), s++;
     return n;
 }
 
-static int pieceOrder[] = {
-  0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, // P N B R Q F E A C W M
- 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, // O H I J G D V L S U Lion
- 45, 23, 24, 25, 26, 27, 28, 29, 46, 31, 32, // Sword Zebra Camel Tower Wolf Dragon Duck Axe Leopard Gnu Cub
- 44, 51, 56, 57, 58, 59, 60, 61, 62, 63, 34, // Whale Pegasus Wizard Copper Iron Viking Flag Amazon Wheel Shield Claw
- 33, 55, 53, 42, 37, 48, 39, 40, 41, 22, 30, // +P +N =B =R +L +S +E +Ph +Kn Butterfly Hat
- 38, 43, 35, 36, 49, 47, 52, 50, 54, 64, 65 // +V +M =H =D Princess HSword +GB HCrown Wheer Shierd King
-};
-
 int
 SetCharTableEsc (unsigned char *table, const char * map, char * escapes)
 /* [HGM] moved here from winboard.c because of its general usefulness */
@@ -6026,25 +6017,26 @@ SetCharTableEsc (unsigned char *table, const char * map, char * escapes)
 
     if( map != NULL && (NrPieces=ptclen(map, escapes)) <= (int) EmptySquare
                     && NrPieces >= 12 && !(NrPieces&1)) {
-        int i, ii, j = 0; /* [HGM] Accept even length from 12 to 88 */
+        int i, ii, offs, j = 0; /* [HGM] Accept even length from 12 to 88 */
 
         for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
-        for( ii=0; ii<NrPieces/2-1; ii++ ) {
+        for( i=offs=0; i<NrPieces/2-1; i++ ) {
             char *p, c=0;
-            i = pieceOrder[ii];
+            if(map[j] == '/') offs = WhitePBishop - i, j++;
             if(*escapes && (map[j] == '*' || map[j] == '-' || map[j] == '^')) c = map[j++];
-            table[i] = map[j++];
-            if(p = strchr(escapes, map[j])) j++, table[i] += 64*(p - escapes + 1);
-            if(c) partner[i] = table[i], table[i] = c;
+            table[i+offs] = map[j++];
+            if(p = strchr(escapes, map[j])) j++, table[i+offs] += 64*(p - escapes + 1);
+            if(c) partner[i+offs] = table[i+offs], table[i+offs] = c;
         }
         table[(int) WhiteKing]  = map[j++];
-        for( ii=0; ii<NrPieces/2-1; ii++ ) {
+        for( ii=offs=0; ii<NrPieces/2-1; ii++ ) {
             char *p, c=0;
-            i = WHITE_TO_BLACK pieceOrder[ii];
+            if(map[j] == '/') offs = WhitePBishop - ii, j++;
+            i = WHITE_TO_BLACK ii;
             if(*escapes && (map[j] == '*' || map[j] == '-' || map[j] == '^')) c = map[j++];
-            table[i] = map[j++];
-            if(p = strchr(escapes, map[j])) j++, table[i] += 64*(p - escapes + 1);
-            if(c) partner[i] = table[i], table[i] = c;
+            table[i+offs] = map[j++];
+            if(p = strchr(escapes, map[j])) j++, table[i+offs] += 64*(p - escapes + 1);
+            if(c) partner[i+offs] = table[i+offs], table[i+offs] = c;
         }
         table[(int) BlackKing]  = map[j++];
 
@@ -6058,7 +6050,11 @@ SetCharTableEsc (unsigned char *table, const char * map, char * escapes)
                     int p;
                     for(p=0; p<EmptySquare; p++) if(table[p] == partner[i]) break;
                     if(c == '^') table[i] = '+';
-                    if(p < EmptySquare) promoPartner[p] = i, promoPartner[i] = p; // marry them
+                    if(p < EmptySquare) {
+                        if(promoPartner[promoPartner[p]] == p) promoPartner[promoPartner[p]] = promoPartner[p]; // divorce old partners
+                        if(promoPartner[promoPartner[i]] == i) promoPartner[promoPartner[i]] = promoPartner[i];
+                        promoPartner[p] = i, promoPartner[i] = p; // and marry this couple
+                    }
                 } else if(c == '*') {
                     table[i] = partner[i];
                     promoPartner[i] = (i < BlackPawn ? WhiteTokin : BlackTokin); // promotes to Tokin
@@ -6251,8 +6247,8 @@ InitPosition (int redraw)
       gameInfo.boardWidth  = 12;
       gameInfo.boardHeight = 12;
       nrCastlingRights = 0;
-      SetCharTableEsc(pieceToChar, "P.BRQSEXOGCATHD.VMLIFN/^P.^B^R.^S^E^X^O^G^C^A^T^H^D.^V^M^L^I^FK"
-                                   "p.brqsexogcathd.vmlifn/^p.^b^r.^s^e^x^o^g^c^a^t^h^d.^v^m^l^i^fk", SUFFIXES);
+      SetCharTableEsc(pieceToChar, "P.BRQSEXOGCATHD.VMLIFN.........^T..^L......^A^H/^F^G^M.^E^X^O^I.^P.^B^R..^D^S^C^VK"
+                                   "p.brqsexogcathd.vmlifn.........^t..^l......^a^h/^f^g^m.^e^x^o^i.^p.^b^r..^d^s^c^vk", SUFFIXES);
       break;
     case VariantCourier:
       pieces = CourierArray;
@@ -7075,11 +7071,9 @@ UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
 	    return;
 	} else if (toX >= 0 && toY >= 0) {
 	    if(!appData.pieceMenu && toX == fromX && toY == fromY && boards[0][rf][ff] != EmptySquare) {
-		ChessSquare q, p = boards[0][rf][ff];
-		if(p >= BlackPawn) p = BLACK_TO_WHITE p;
-		if(CHUPROMOTED(p) < BlackPawn) p = q = CHUPROMOTED(boards[0][rf][ff]);
-		else p = CHUDEMOTED (q = boards[0][rf][ff]);
-		if(PieceToChar(q) == '+') gatingPiece = p;
+		ChessSquare p = boards[0][rf][ff];
+		if(PieceToChar(p) == '+') gatingPiece = CHUDEMOTED(p); else
+		if(PieceToChar(CHUPROMOTED(p)) =='+') gatingPiece = CHUPROMOTED(p); 
 	    }
 	    boards[0][toY][toX] = boards[0][fromY][fromX];
 	    if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
@@ -13113,7 +13107,7 @@ LoadGame (FILE *f, int gameNumber, char *title, int useList)
 	    return FALSE;
 	  }
 	  CopyBoard(boards[0], initial_position);
-	  if(*engineVariant) // [HGM] for now, assume FEN in engine-defined variant game is default initial position
+	  if(*engineVariant || gameInfo.variant == VariantFairy) // [HGM] for now, assume FEN in engine-defined variant game is default initial position
 	    CopyBoard(initialPosition, initial_position);
 	  if (blackPlaysFirst) {
 	    currentMove = forwardMostMove = backwardMostMove = 1;
@@ -16283,7 +16277,7 @@ PrintPosition (FILE *fp, int move)
     for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
         for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
 	    char c = PieceToChar(boards[move][i][j]);
-	    fputc(c == 'x' ? '.' : c, fp);
+	    fputc(c == '?' ? '.' : c, fp);
             fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
 	}
     }