Warnings: correctly use #ifdef for declarations.

[gnushogi.git] / gnushogi / commondsp.c

diff --git a/gnushogi/commondsp.c b/gnushogi/commondsp.c
index 62e4655..14fd387 100644 (file)
--- a/gnushogi/commondsp.c
+++ b/gnushogi/commondsp.c
@@ -54,6 +54,7 @@ int mycnt1, mycnt2;
 static char *InPtr;
 struct display *dsp = &raw_display;
 
+short xboard = false;
 
 #if defined(BOOKTEST)
 
@@ -94,20 +95,20 @@ movealgbr(short m, char *s)
         s++;
         *s = '*';
         s++;
-        *s = cxx[column(t)];
+        *s = COL_NAME(column(t));
         s++;
-        *s = rxx[row(t)];
+        *s = ROW_NAME(row(t));
         s++;
     }
     else
     {
-        *s = cxx[column(f)];
+        *s = COL_NAME(column(f));
         s++;
-        *s = rxx[row(f)];
+        *s = ROW_NAME(row(f));
         s++;
-        *s = cxx[column(t)];
+        *s = COL_NAME(column(t));
         s++;
-        *s = rxx[row(t)];
+        *s = ROW_NAME(row(t));
         s++;
 
         if (flag & promote)
@@ -138,7 +139,10 @@ movealgbr(short m, char *s)
  *   - NO_SQUARES <= f NO_SQUARES + 2*NO_PIECES                dropped piece modulo NO_PIECES
  * - t & 0x7f                          target square
  * - t & 0x80                          promotion flag
- * - flag                              FIXME: must be zero ?
+ * - flag
+ *   - if flag & dropmask, piece type encoded in flag & pmask
+ *
+ * FIXME: that makes 2 ways to specify drops and promotions, why ?
  *
  * OUTPUT:
  * - GLOBAL mvstr
@@ -178,9 +182,9 @@ algbr(short f, short t, short flag)
         short piece = flag & pmask;
 
         mvstr[0][0] = pxx[piece];
-        mvstr[0][1] = '*';
-        mvstr[0][2] = cxx[column(t)];
-        mvstr[0][3] = rxx[row(t)];
+        mvstr[0][1] = xboard ? '@' : '*';
+        mvstr[0][2] = COL_NAME(column(t));
+        mvstr[0][3] = ROW_NAME(row(t));
         mvstr[0][4] = '\0';
         strcpy(mvstr[1], mvstr[0]);
         strcpy(mvstr[2], mvstr[0]);
@@ -188,20 +192,27 @@ algbr(short f, short t, short flag)
     }
     else if ((f != 0) || (t != 0))
     {
-        /* algebraic notation */
-        mvstr[0][0] = cxx[column(f)];
-        mvstr[0][1] = rxx[row(f)];
-        mvstr[0][2] = cxx[column(t)];
-        mvstr[0][3] = rxx[row(t)];
-        mvstr[0][4] = mvstr[3][0] = '\0';
+        /* pure coordinates notation */
+        mvstr[0][0] = COL_NAME(column(f));
+        mvstr[0][1] = ROW_NAME(row(f));
+        mvstr[0][2] = COL_NAME(column(t));
+        mvstr[0][3] = ROW_NAME(row(t));
+        mvstr[0][4] = '\0';
+
+        /* algebraic notation without disambiguation */
         mvstr[1][0] = pxx[board[f]];
+        mvstr[1][1] = mvstr[0][2];    /* to column */
+        mvstr[1][2] = mvstr[0][3];    /* to row */
+        mvstr[1][3] = '\0';
 
+        /* algebraic notation with row disambiguation */
         mvstr[2][0] = mvstr[1][0];
         mvstr[2][1] = mvstr[0][1];
+        mvstr[2][2] = mvstr[0][2];    /* to column */
+        mvstr[2][3] = mvstr[0][3];    /* to row */
+        mvstr[2][4] = '\0';
 
-        mvstr[2][2] = mvstr[1][1] = mvstr[0][2];    /* to column */
-        mvstr[2][3] = mvstr[1][2] = mvstr[0][3];    /* to row */
-        mvstr[2][4] = mvstr[1][3] = '\0';
+        /* algebraic notation with column disambiguation */
         strcpy(mvstr[3], mvstr[2]);
         mvstr[3][1] = mvstr[0][0];
 
@@ -300,7 +311,7 @@ VerifyMove(char *s, VerifyMove_mode iop, unsigned short *mv)
         if (SqAttacked(PieceList[opponent][0], computer, &blocked))
         {
             UnmakeMove(opponent, &xnode, &tempb, &tempc, &tempsf, &tempst);
-            dsp->AlwaysShowMessage("Illegal move (in check) %s", s);
+            dsp->AlwaysShowMessage("Illegal move (in check): %s", s);
             return false;
         }
         else
@@ -342,7 +353,7 @@ VerifyMove(char *s, VerifyMove_mode iop, unsigned short *mv)
         }
     }
 
-    dsp->AlwaysShowMessage("Illegal move (no match) %s", s);
+    dsp->AlwaysShowMessage("Illegal move (no match): %s", s);
 
     if (!XSHOGI && (cnt > 1))
     {
@@ -374,17 +385,17 @@ parser(char *f, short *fpiece)
 
     if (f[1] == '*' || f[1] == '\'')
     {
-        c2 = COL_NAME(f[2]);
-        r2 = ROW_NAME(f[3]);
+        c2 = COL_NUM(f[2]);
+        r2 = ROW_NUM(f[3]);
 
         return ((NO_SQUARES + *fpiece) << 8) | locn(r2, c2);
     }
     else
     {
-        c1 = COL_NAME(f[1]);
-        r1 = ROW_NAME(f[2]);
-        c2 = COL_NAME(f[3]);
-        r2 = ROW_NAME(f[4]);
+        c1 = COL_NUM(f[1]);
+        r1 = ROW_NUM(f[2]);
+        c2 = COL_NUM(f[3]);
+        r2 = ROW_NUM(f[4]);
         p = (f[5] == '+') ? 0x80 : 0;
 
         return (locn(r1, c1) << 8) | locn(r2, c2) | p;
@@ -1409,16 +1420,15 @@ TestPSpeed(short(*f) (short side), unsigned j)
 static void
 SetOppTime(char *time)
 {
-    int m, t, sec;
+    int m, t;
 
-    sec = 0;
     t = (int)strtol(time, &time, 10);
 
     if (*time == ':')
     {
         time++;
        /* FIXME: sec is parsed but ignored */
-        sec = (int)strtol(time, &time, 10);
+        (void)strtol(time, &time, 10);
     }
 
     m = (int)strtol(time, &time, 10);
@@ -1442,16 +1452,15 @@ SetOppTime(char *time)
 static void
 SetMachineTime(char *time)
 {
-    int m, t, sec;
+    int m, t;
 
-    sec = 0;
     t = (int)strtol(time, &time, 10);
 
     if (*time == ':')
     {
         time++;
        /* FIXME: sec is parsed but ignored */
-        sec = (int)strtol(time, &time, 10);
+        (void)strtol(time, &time, 10);
     }
 
     m = (int)strtol(time, &time, 10);
@@ -1485,7 +1494,9 @@ SetMachineTime(char *time)
 void
 InputCommand(char *command)
 {
+#ifdef QUIETBACKGROUND
     short have_shown_prompt = false;
+#endif
     short ok, done, is_move = false;
     unsigned short mv;
     char s[80], sx[80];
@@ -1604,9 +1615,15 @@ InputCommand(char *command)
         }
         else if (strcmp(s, "post") == 0)
         {
-            flag.post = !flag.post;
+            flag.post = (xboard ? 1 : !flag.post);
+        }
+        else if (strcmp(s, "nopost") == 0)
+        {
+            flag.post = 0;
         }
-        else if (strcmp(s, "alg") == 0)
+        else if (strcmp(s, "alg") == 0 ||
+                 strcmp(s, "accepted") == 0 || strcmp(s, "rejected") == 0 ||
+                 strcmp(s, "variant") == 0 || strcmp(s, "computer") == 0)
         {
             /* noop */ ;
         }
@@ -1615,6 +1632,22 @@ InputCommand(char *command)
         {
             flag.quit = true;
         }
+        else if (strcmp(s, "xboard") == 0)
+        {
+            xboard = true;
+            strcpy(ColorStr[0], "White");
+            strcpy(ColorStr[1], "Black");
+        }
+        else if (strcmp(s, "protover") == 0)
+        {
+            printf("feature myname=\"GNU %sShogi %s\" variants=\"%sshogi\" debug=1 setboard=0 sigint=0 done=1\n",
+#ifdef MINISHOGI
+                                       "mini", PACKAGE_VERSION, "5x5+5_"
+#else
+                                         "",   PACKAGE_VERSION, ""
+#endif
+                  );
+        }
         else if ((strcmp(s, "set") == 0)
                  || (strcmp(s, "edit") == 0))
         {
@@ -1702,7 +1735,8 @@ InputCommand(char *command)
         {
             SetMachineTime(sx + strlen("time"));
         }
-        else if (strcmp(s, "otime") == 0)
+        else if ((strcmp(s, "otime") == 0) ||
+                 (xboard && (strcmp(s, "otim")) == 0))
         {
             SetOppTime(sx + strlen("otime"));
         }
@@ -1745,8 +1779,9 @@ InputCommand(char *command)
             flag.force = false;
             Sdepth = 0;
             ok = true;
+            dsp->UpdateDisplay(0, 0, 1, 0);
         }
-        else if (strcmp(s, "black") == 0)
+        else if (xboard ? strcmp(s, "white") == 0 : strcmp(s, "black") == 0)
         {
             computer = white;
             opponent = black;
@@ -1758,7 +1793,7 @@ InputCommand(char *command)
              * ok = true; don't automatically start with black command
              */
         }
-        else if (strcmp(s, "white") == 0)
+        else if (xboard ? strcmp(s, "black") == 0 : strcmp(s, "white") == 0)
         {
             computer = black;
             opponent = white;