X-Git-Url: http://winboard.nl/cgi-bin?p=capablanca.git;a=blobdiff_plain;f=lasker-2.2.3%2Fsrc%2Falgcheck.c;h=3efc4ce34ed04d60441290a7cb8b5d9645cc0971;hp=065a85962c46a1835e1d101229675d97615ef1ac;hb=534b15b1773a6f879b0b83fb0cfa0b02b003813c;hpb=5ab36ba095695208aee106f370331650186dc23b

diff --git a/lasker-2.2.3/src/algcheck.c b/lasker-2.2.3/src/algcheck.c
index 065a859..3efc4ce 100644
--- a/lasker-2.2.3/src/algcheck.c
+++ b/lasker-2.2.3/src/algcheck.c
@@ -199,6 +199,7 @@ static int get_move_info(const char *str, int *piece, int *ff, int *fr, int *tf,
     matchVal = i;
 nomatch:;
   }
+
   if (matchVal != -1)
     return MS_ALG;
   else
@@ -221,11 +222,35 @@ static void add_promotion(struct game_state_t *gs, const char *mstr, struct move
 	if (s == NULL) {
 		return;
 	}
+	if(gs->promoType == 3) { // handle Shogi promotions
+		piece = gs->board[mt->fromFile][mt->fromRank];
+ 		if(colorval(piece) == WHITE && mt->fromRank < gs->ranks - gs->ranks/3
+					    && mt->toRank   < gs->ranks - gs->ranks/3 ) return;
+ 		if(colorval(piece) == BLACK && mt->fromRank >= gs->ranks/3
+					    && mt->toRank   >= gs->ranks/3 ) return;
+                switch(piecetype(piece)) {
+		    case PAWN:
+		    case LANCE:
+		    case HONORABLEHORSE:
+		    case SILVER:
+			if(s[1] != '+' && s[1] != '^' && s[1] != 'G' && s[1] != 'g') return;
+			piece = GOLD; break;
+		    case BISHOP:
+			if(s[1] != '+' && s[1] != '^' && s[1] != 'H' && s[1] != 'h') return;
+			piece = DRAGONHORSE; break;
+		    case ROOK:
+			if(s[1] != '+' && s[1] != '^' && s[1] != 'D' && s[1] != 'd') return;
+			piece = DRAGONKING; break;
+		    default: return; // others do not promote, so ignore
+		}
+		mt->piecePromotionTo = piece | colorval(gs->board[mt->fromFile][mt->fromRank]);
+		return;
+ 	}
 
 	if (piecetype(gs->board[mt->fromFile][mt->fromRank]) != PAWN) {
 		return;
 	}
-	if (mt->toRank != gs->ranks-1 && mt->toRank != 0) {
+	if (mt->toRank < gs->ranks - gs->promoZone && mt->toRank >= gs->promoZone) {
 		return;
 	}
 
@@ -280,9 +305,9 @@ static void add_promotion(struct game_state_t *gs, const char *mstr, struct move
 	default:
 		return;
 	}
-
 	i = colorval(gs->board[mt->fromFile][mt->fromRank]) == WHITE ? 0 : 1;
-	if(piece >= WOODY && (gs->promoType != 2 || gs->holding[i][piece-1] == 0)) return;
+	if(gs->promoType == 2 && gs->holding[i][piece-1] == 0) return; // only if piece was captured
+	if(piece >= WOODY && (gs->promoType != 2 || gs->promoZone == 3)) return; // reserved for Superchess
 
 	mt->piecePromotionTo = piece | colorval(gs->board[mt->fromFile][mt->fromRank]);
 }
@@ -297,7 +322,6 @@ int alg_parse_move(char *mstr, struct game_state_t * gs, struct move_t * mt)
     d_printf( "CHESSD: Shouldn't try to algebraicly parse non-algabraic move string.\n");
     return MOVE_ILLEGAL;
   }
-  
   // [HGM] check if move does not stray off board
   if(gs->ranks < 10) { 
     if(tr == 0 || fr == 0) return MOVE_ILLEGAL; // used nonexistent 0-rank
@@ -406,7 +430,6 @@ int alg_parse_move(char *mstr, struct game_state_t * gs, struct move_t * mt)
 		    // note that the interpretation Bxc4 is matched last, and has set piece to BISHOP
 		    continue;
 	    }
-
 	    if (legal_andcheck_move(gs, f, r, tf, tr)) {
 		    if ((piecetype(gs->board[f][r]) == PAWN) && (f != tolower(mstr[0]) - 'a')) {
 			    continue;