Allow transparency in board textures

[xboard.git] / moves.c

diff --git a/moves.c b/moves.c
index abf1936..cc3343b 100644 (file)
--- a/moves.c
+++ b/moves.c
@@ -1408,7 +1408,7 @@ GenLegalCallback (Board board, int flags, ChessMove kind, int rf, int ff, int rt
 
     if(rFilter >= 0 && rFilter != rt || fFilter >= 0 && fFilter != ft) return; // [HGM] speed: ignore moves with wrong to-square
 
-    if (board[EP_STATUS] == EP_IRON_LION && (board[rt][ft] == WhiteLion || board[rt][ft] == BlackLion)) return; //[HGM] lion
+    if ((int)board[EP_STATUS] == EP_IRON_LION && (board[rt][ft] == WhiteLion || board[rt][ft] == BlackLion)) return; //[HGM] lion
 
     if (!(flags & F_IGNORE_CHECK) ) {
       int check, promo = (gameInfo.variant == VariantSpartan && kind == BlackPromotion);
@@ -1664,11 +1664,11 @@ CheckTestCallback (Board board, int flags, ChessMove kind, int rf, int ff, int r
     register CheckTestClosure *cl = (CheckTestClosure *) closure;
 
     if (rt == cl->rking && ft == cl->fking) {
-       if(xqCheckers[EP_STATUS] >= 2 && xqCheckers[rf][ff]) return; // checker is piece with suspended checking power
+       if((int)xqCheckers[EP_STATUS] >= 2 && xqCheckers[rf][ff]) return; // checker is piece with suspended checking power
        cl->check++;
        xqCheckers[rf][ff] = xqCheckers[EP_STATUS] & 1; // remember who is checking (if status == 1)
     }
-    if( board[EP_STATUS] == EP_ROYAL_LION && (board[rt][ft] == WhiteLion || board[rt][ft] == BlackLion)
+    if( (int)board[EP_STATUS] == EP_ROYAL_LION && (board[rt][ft] == WhiteLion || board[rt][ft] == BlackLion)
        && (gameInfo.variant != VariantLion || board[rf][ff] != WhiteKing && board[rf][ff] != BlackKing) )
        cl->check++; // [HGM] lion: forbidden counterstrike against Lion equated to putting yourself in check
 }
@@ -2047,7 +2047,7 @@ DisambiguateCallback (Board board, int flags, ChessMove kind, int rf, int ff, in
     // [HGM] wild: for wild-card pieces rt and rf are dummies
     if(piece == WhiteFalcon || piece == BlackFalcon ||
        piece == WhiteCobra  || piece == BlackCobra)
-        wildCard = TRUE;
+        wildCard = !pieceDefs; // no wildcards when engine defined pieces
 
     if ((cl->pieceIn == EmptySquare || cl->pieceIn == board[rf][ff]
          || PieceToChar(board[rf][ff]) == '~'
@@ -2131,7 +2131,7 @@ Disambiguate (Board board, int flags, DisambiguateClosure *closure)
            return;
          }
        }
-    } else if(pieceDefs && closure->count > 1) { // [HGM] gen: move is ambiguous under engine-defined rules
+    } else if(pieceDefs && closure->count > 1 && closure->rtIn >=0) { // [HGM] gen: move is ambiguous under engine-defined rules (and not one-click)
        DisambiguateClosure spare = *closure;
        pieceDefs = FALSE; spare.count = 0;     // See if the (erroneous) built-in rules would resolve that
         GenLegal(board, flags, DisambiguateCallback, (VOIDSTAR) &spare, closure->pieceIn);