Allow skipping over black squares

[xboard.git] / moves.c

diff --git a/moves.c b/moves.c
index 4158ea5..1e9ba9e 100644 (file)
--- a/moves.c
+++ b/moves.c
@@ -408,8 +408,8 @@ MovesFromString (Board board, int flags, int f, int r, int tx, int ty, int angle
                if(y < 0 || y >= BOARD_HEIGHT) break; // vertically off-board: always done
                if(x <  BOARD_LEFT) { if(mode & 128) x += BOARD_RGHT - BOARD_LEFT, loop++; else break; }
                if(x >= BOARD_RGHT) { if(mode & 128) x -= BOARD_RGHT - BOARD_LEFT, loop++; else break; }
-               if(board[y][x] == DarkSquare) break;  // black squares are supposed to be off board
                if(j) { j--; continue; }              // skip irrespective of occupation
+               if(board[y][x] == DarkSquare) break;  // black squares are supposed to be off board
                if(!jump    && board[y - vy + vy/2][x - vx + vx/2] != EmptySquare) break; // blocked
                if(jump > 1 && board[y - vy + vy/2][x - vx + vx/2] == EmptySquare) break; // no hop
                if(x == f && y == r && !loop) occup = 4;     else // start square counts as empty (if not around cylinder!)
@@ -1673,10 +1673,11 @@ CheckTest (Board board, int flags, int rf, int ff, int rt, int ft, int enPassant
        }
        ep = board[EP_STATUS];
        if( captured == WhiteLion || captured == BlackLion ) { // [HGM] lion: Chu Lion-capture rules
-           ChessSquare victim = killX < 0 ? EmptySquare : trampled;
+           ChessSquare victim = saveKill < 0 ? EmptySquare : trampled;
            if( (board[rt][ft] == WhiteLion || board[rt][ft] == BlackLion) &&           // capturer is Lion
                (ff - ft > 1 || ft - ff > 1 || rf - rt > 1 || rt - rf > 1) &&           // captures from a distance
-               (victim == EmptySquare || victim == WhitePawn || victim == BlackPawn) ) // no or worthless 'bridge'
+               (victim == EmptySquare || victim == WhitePawn || victim == BlackPawn    // no or worthless 'bridge'
+                                    || victim == WhiteCobra || victim == BlackCobra) ) // (Pawn or Go Between)
                     board[EP_STATUS] = EP_ROYAL_LION; // on distant Lion x Lion victim must not be pseudo-legally protected
        }
     }