Regularize Chu-Shogi piece assignment

[xboard.git] / moves.c

diff --git a/moves.c b/moves.c
index c8f8039..a53ca59 100644 (file)
--- a/moves.c
+++ b/moves.c
@@ -934,11 +934,14 @@ GenPseudoLegal (Board board, int flags, MoveCallback callback, VOIDSTAR closure,
                if(gameInfo.variant == VariantShogi) goto WhiteGold;
             case SHOGI (PROMO BlackPawn):
                if(gameInfo.variant == VariantShogi) goto BlackGold;
+            case SHOGI WhiteAxe:
+            case SHOGI BlackAxe:
                SlideVertical(board, flags, rf, ff, callback, closure);
                break;
 
             case SHOGI (PROMO WhiteKnight):
                if(gameInfo.variant == VariantShogi) goto WhiteGold;
+            case SHOGI WhiteClaw:
             case SHOGI BlackDrunk:
             case SHOGI BlackAlfil:
                Ferz(board, flags, rf, ff, callback, closure);
@@ -948,6 +951,7 @@ GenPseudoLegal (Board board, int flags, MoveCallback callback, VOIDSTAR closure,
 
             case SHOGI (PROMO BlackKnight):
                if(gameInfo.variant == VariantShogi) goto BlackGold;
+            case SHOGI BlackClaw:
             case SHOGI WhiteDrunk:
             case SHOGI WhiteAlfil:
                Ferz(board, flags, rf, ff, callback, closure);
@@ -1179,6 +1183,12 @@ GenPseudoLegal (Board board, int flags, MoveCallback callback, VOIDSTAR closure,
 
             case WhiteFerz:
             case BlackFerz:
+               if(gameInfo.variant == VariantXiangqi && ff != BOARD_WIDTH>>1) {
+                   int rt = (piece == BlackFerz ? BOARD_HEIGHT-2 : 1);
+                   int ft = BOARD_WIDTH>>1;
+                   if(!SameColor(board[rf][ff], board[rt][ft]))
+                       callback(board, flags, NormalMove, rf, ff, rt, ft, closure);
+               } else
                 /* [HGM] support Shatranj pieces */
                Ferz(board, flags, rf, ff, callback, closure);
                break;
@@ -1270,8 +1280,8 @@ GenPseudoLegal (Board board, int flags, MoveCallback callback, VOIDSTAR closure,
               }
               break;
 
-            case SHOGI WhiteFalcon:
-            case SHOGI BlackFalcon:
+            case SHOGI WhiteDagger:
+            case SHOGI BlackDagger:
             case SHOGI WhitePDagger:
             case SHOGI BlackPDagger:
                SlideSideways(board, flags, rf, ff, callback, closure);
@@ -1287,24 +1297,26 @@ GenPseudoLegal (Board board, int flags, MoveCallback callback, VOIDSTAR closure,
                if(gameInfo.variant == VariantShogi) goto WhiteGold;
             case SHOGI (PROMO BlackFerz):
                if(gameInfo.variant == VariantShogi) goto BlackGold;
+            case SHOGI WhiteSword:
+            case SHOGI BlackSword:
             case SHOGI WhitePSword:
             case SHOGI BlackPSword:
                SlideVertical(board, flags, rf, ff, callback, closure);
                StepSideways(board, flags, rf, ff, callback, closure);
                break;
 
-            case SHOGI WhiteUnicorn:
-            case SHOGI BlackUnicorn:
+            case SHOGI WhiteCat:
+            case SHOGI BlackCat:
                Ferz(board, flags, rf, ff, callback, closure);
                StepVertical(board, flags, rf, ff, callback, closure);
                break;
 
-            case SHOGI WhiteMan:
+            case SHOGI WhiteCopper:
                StepDiagForward(board, flags, rf, ff, callback, closure);
                StepVertical(board, flags, rf, ff, callback, closure);
                break;
 
-            case SHOGI BlackMan:
+            case SHOGI BlackCopper:
                StepDiagBackward(board, flags, rf, ff, callback, closure);
                StepVertical(board, flags, rf, ff, callback, closure);
                break;
@@ -1321,7 +1333,7 @@ GenPseudoLegal (Board board, int flags, MoveCallback callback, VOIDSTAR closure,
                SlideVertical(board, flags, rf, ff, callback, closure);
                break;
 
-            case SHOGI WhiteCat:
+            case SHOGI WhiteUnicorn:
                Sting(board, flags, rf, ff, 1, 0, callback, closure);
                callback(board, flags, NormalMove, rf, ff, rf, ff, closure);
                if(killX >= 0) break;
@@ -1330,7 +1342,7 @@ GenPseudoLegal (Board board, int flags, MoveCallback callback, VOIDSTAR closure,
                SlideBackward(board, flags, rf, ff, callback, closure);
                break;
 
-            case SHOGI BlackCat:
+            case SHOGI BlackUnicorn:
                Sting(board, flags, rf, ff, -1, 0, callback, closure);
                callback(board, flags, NormalMove, rf, ff, rf, ff, closure);
                if(killX >= 0) break;
@@ -1339,7 +1351,7 @@ GenPseudoLegal (Board board, int flags, MoveCallback callback, VOIDSTAR closure,
                SlideForward(board, flags, rf, ff, callback, closure);
                break;
 
-            case SHOGI WhiteDagger:
+            case SHOGI WhiteFalcon:
                Sting(board, flags, rf, ff, 1,  1, callback, closure);
                Sting(board, flags, rf, ff, 1, -1, callback, closure);
                callback(board, flags, NormalMove, rf, ff, rf, ff, closure);
@@ -1348,7 +1360,7 @@ GenPseudoLegal (Board board, int flags, MoveCallback callback, VOIDSTAR closure,
                SlideDiagBackward(board, flags, rf, ff, callback, closure);
                break;
 
-            case SHOGI BlackDagger:
+            case SHOGI BlackFalcon:
                Sting(board, flags, rf, ff, -1,  1, callback, closure);
                Sting(board, flags, rf, ff, -1, -1, callback, closure);
                callback(board, flags, NormalMove, rf, ff, rf, ff, closure);
@@ -1408,7 +1420,7 @@ 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 +1676,11 @@ 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 +2059,7 @@ 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]) == '~'
@@ -2058,7 +2070,7 @@ DisambiguateCallback (Board board, int flags, ChessMove kind, int rf, int ff, in
        (cl->rtIn == -1 || cl->rtIn == rt || wildCard) &&
        (cl->ftIn == -1 || cl->ftIn == ft || wildCard)) {
 
-       if(cl->count && rf == cl->rf && ff == cl->ff) return; // duplicate move
+       if(cl->count && rf == cl->rf && ff == cl->ff && rt == cl->rt && ft == cl->ft) return; // duplicate move
 
        if(cl->count == 1 && kifu & 0x7E && cl->rfIn == -1 && cl->ffIn == -1) { // traditional Shogi disambiguation required
            int this = 1, other = 1;
@@ -2131,7 +2143,7 @@ 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);