X-Git-Url: http://winboard.nl/cgi-bin?a=blobdiff_plain;f=gnushogi%2Fgenmove.c;h=2f4db1b6a6d32f28b872313eda55269299c6b017;hb=ef305e06b93ed27dd376c1f3ea8e0a7041a73943;hp=d42c1d6cb8c19b8f7c9df0496da6c433dc48aebd;hpb=916e9d3b3acd6422ad21f8edbbe5da768737f2b8;p=gnushogi.git

diff --git a/gnushogi/genmove.c b/gnushogi/genmove.c
index d42c1d6..2f4db1b 100644
--- a/gnushogi/genmove.c
+++ b/gnushogi/genmove.c
@@ -4,6 +4,7 @@
  * ----------------------------------------------------------------------
  * Copyright (c) 1993, 1994, 1995 Matthias Mutz
  * Copyright (c) 1999 Michael Vanier and the Free Software Foundation
+ * Copyright (c) 2008, 2013, 2014 Yann Dirson and the Free Software Foundation
  *
  * GNU SHOGI is based on GNU CHESS
  *
@@ -322,21 +323,7 @@ PromotionPossible(short color, short f, short t, short p)
             return false;
     }
 
-    /* FIXME: this can be simplified... */
-    switch (p)
-    {
-    case pawn:
-#ifndef MINISHOGI
-    case lance:
-    case knight:
-#endif
-    case silver:
-    case bishop:
-    case rook:
-        return true;
-    };
-
-    return false;
+    return (typeMask[p] & (T_PAWN|T_LANCE|T_KNIGHT|T_SILVER|T_BISHOP|T_ROOK)) != 0;
 }
 
 
@@ -349,13 +336,21 @@ NonPromotionPossible(short color,
     case pawn :
         if (color == black)
         {
+#ifdef MINISHOGI
+            return ((t < 20)
+#else
             return ((t < 72)
+#endif
                     ? true
                     : (generate_move_flags ? ILLEGAL_TRAPPED : false));
         }
         else
         {
+#ifdef MINISHOGI
+            return ((t > 4)
+#else
             return ((t > 8)
+#endif
                     ? true
                     : (generate_move_flags ? ILLEGAL_TRAPPED : false));
         }
@@ -537,10 +532,7 @@ field_bonus(short side, short piece,
 
                     /* CHECKME: is this right? */
                     if (((rvupiece == rvuboard) && (upiece == pawn))
-                        || (upiece == bishop)
-#ifndef MINISHOGI
-			|| (upiece == knight)
-#endif
+                        || typeMask[upiece] & (T_BISHOP | T_KNIGHT)
 			)
                     {
                         s++; /* The opposing pawn (piece) */
@@ -780,11 +772,7 @@ LinkMove(short ply, short f,
             {
 #ifdef TESUJIBONUS
                 /* Look at non-promoting silver or knight */
-                if (piece == silver
-#ifndef MINISHOGI
-		    || piece == knight
-#endif
-		    )
+                if (typeMask[piece] & (T_SILVER | T_KNIGHT))
                 {
                     local_flag |= tesuji; /* Non-promotion */
                     s++;
@@ -1126,11 +1114,7 @@ LinkPreventCheckDrops(short side, short xside, short ply)
 
     for (piece = pawn+1; piece <= rook; piece++)
     {
-        if (
-#ifndef MINISHOGI
-	    piece == lance ||
-#endif
-	    piece == bishop || piece == rook)
+        if (typeMask[piece] & (T_LANCE | T_BISHOP | T_ROOK))
         {
             /* check for threat of xside piece */
             ptyp = ptype[side][piece];