X-Git-Url: http://winboard.nl/cgi-bin?a=blobdiff_plain;f=backend.c;h=8278e5bd511883227bd7c9bd75e8bf80c2e2ccd5;hb=734ccf35681fc778bd4cee4cd94df4e909b5a497;hp=aa81da2b152c4f243e1bf893520936204f5c7e8b;hpb=03ed95a03b8bbe911780b8c72f2c155671ba2a73;p=xboard.git

diff --git a/backend.c b/backend.c
index aa81da2..8278e5b 100644
--- a/backend.c
+++ b/backend.c
@@ -295,6 +295,7 @@ ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
 int promoDefaultAltered;
 int keepInfo = 0; /* [HGM] to protect PGN tags in auto-step game analysis */
 static int initPing = -1;
+static Boolean pieceDefs;
 
 /* States for ics_getting_history */
 #define H_FALSE 0
@@ -954,7 +955,7 @@ extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
 static char resetOptions[] =
 	"-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
 	"-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
-	"-firstFeatures \"\" -firstLogo \"\" -firstAccumulateTC 1 "
+	"-firstFeatures \"\" -firstLogo \"\" -firstAccumulateTC 1 -fd \".\" "
 	"-firstOptions \"\" -firstNPS -1 -fn \"\" -firstScoreAbs false";
 
 void
@@ -7260,8 +7261,8 @@ Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VO
     if(rf == fromY && ff == fromX && (killX < 0 && !(rt == rf && ft == ff) || abs(ft-killX) < 2 && abs(rt-killY) < 2))
 	(*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
 			 || kind == WhiteCapturesEnPassant
-			 || kind == BlackCapturesEnPassant) + 3*(kind == FirstLeg && killX < 0);
-    else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
+			 || kind == BlackCapturesEnPassant) + 3*(kind == FirstLeg && killX < 0), legal[rt][ft] = 1;
+    else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3, legal[rt][ft] = 1;
 }
 
 static int hoverSavedValid;
@@ -7277,7 +7278,7 @@ MarkTargetSquares (int clear)
   } else {
     int capt = 0;
     if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
-       !appData.testLegality || gameMode == EditPosition) return;
+       !appData.testLegality && !pieceDefs || gameMode == EditPosition) return;
     GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
     if(PosFlags(0) & F_MANDATORY_CAPTURE) {
       for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
@@ -7353,7 +7354,7 @@ void ReportClick(char *action, int x, int y)
 	char buf[MSG_SIZ]; // Inform engine of what user does
 	int r, f;
 	if(action[0] == 'l') // mark any target square of a lifted piece as legal to-square, clear markers
-	  for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = 1, marker[r][f] = 0;
+	  for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = !pieceDefs, marker[r][f] = 0;
 	if(!first.highlight || gameMode == EditPosition) return;
 	snprintf(buf, MSG_SIZ, "%s %c%d%s\n", action, x+AAA, y+ONE-'0', controlKey && action[0]=='p' ? "," : "");
 	SendToProgram(buf, &first);
@@ -7574,7 +7575,8 @@ LeftClick (ClickType clickType, int xPix, int yPix)
 
     clearFlag = 0;
 
-    if(gameMode != EditPosition && !appData.testLegality && !legal[y][x] && (x != killX || y != killY) && !sweepSelecting) {
+    if(gameMode != EditPosition && !appData.testLegality && !legal[y][x] &&
+       fromX >= BOARD_LEFT && fromX < BOARD_RGHT && (x != killX || y != killY) && !sweepSelecting) {
 	if(dragging) DragPieceEnd(xPix, yPix), dragging = 0;
 	DisplayMessage(_("only marked squares are legal"),"");
 	DrawPosition(TRUE, NULL);
@@ -8886,6 +8888,19 @@ printf("score=%d count=%d\n",score,count);
       startedFromSetupPosition = TRUE;
       return;
     }
+    if(sscanf(message, "piece %s %s", buf2, buf1) == 2) {
+      ChessSquare piece = WhitePawn;
+      char *p=buf2;
+      if(cps != &first || appData.testLegality) return;
+      if(*p == '+') piece = CHUPROMOTED WhitePawn, p++;
+      piece += CharToPiece(*p) - WhitePawn;
+      if(piece < EmptySquare) {
+        pieceDefs = TRUE;
+        ASSIGN(pieceDesc[piece], buf1);
+        if(isupper(*p) && p[1] == '&') { ASSIGN(pieceDesc[WHITE_TO_BLACK piece], buf1); }
+      }
+      return;
+    }
     /* [HGM] Allow engine to set up a position. Don't ask me why one would
      * want this, I was asked to put it in, and obliged.
      */
@@ -11607,6 +11622,8 @@ Reset (int redraw, int init)
 	fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
 		redraw, init, gameMode);
     }
+    pieceDefs = FALSE; // [HGM] gen: reset engine-defined piece moves
+    for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; }
     CleanupTail(); // [HGM] vari: delete any stored variations
     CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
     pausing = pauseExamInvalid = FALSE;