X-Git-Url: http://winboard.nl/cgi-bin?a=blobdiff_plain;f=UCI2WB.c;h=9f1ad06c419ed64bdb109368c51d1d7b362fd1df;hb=768046d29eff91d4afbcea23dcb2a623a6a747c9;hp=a6c229f375b22f1f11796cebc7f70140a233d9b3;hpb=f42c4979b50da12a78935d5c442cf1d07479fe03;p=uci2wb.git

diff --git a/UCI2WB.c b/UCI2WB.c
index a6c229f..9f1ad06 100644
--- a/UCI2WB.c
+++ b/UCI2WB.c
@@ -1,4 +1,13 @@
-/************************* UCI2WB by H.G.Muller ****************************/
+/****************************************************************************/
+/*                           UCI2WB by H.G.Muller                           */
+/*                                                                          */
+/* UCI2WB is an adapter to run engines that communicate in various dialects */
+/* of the Universal Chess Interface in a GUI that supports XBoard protocol  */
+/* (CECP). It supports UCI (when used for Xiangqi: the 'Cyclone dialect'),  */
+/* as well as USI and UCCI when used with the flags -s or -x, respectively. */
+/* This version of UCI2WB is released under the GNU General Public License, */
+/* of which you should have received a copy together with this file.        */
+/****************************************************************************/
 
 #define VERSION "2.0"
 
@@ -120,7 +129,7 @@ Play(int nr)
 	FromFEN(iniPos + 4); // in XQ iniPos always has just "fen " prefix
 	for(i=0; i<nr; i++) {
 	    int from=Sqr(move[i], 0), to=Sqr(move[i], 2);
-	    if(board[to]) last = i;
+	    if(board[to] || (board[from]|32)  == 'p' && move[i][1] != move[i][3]) last = i;
 	    board[to] = board[from]; board[from] = 0;
 	}
 	return last;
@@ -148,7 +157,7 @@ void
 StopPonder(int pondering)
 {
 	if(!pondering) return;
-	pause = 2;
+	pause = 1;
 	fprintf(toE, "stop\n"); fflush(toE); DPRINT("# stop\n"); // note: 'pondering' remains set until engine acknowledges 'stop' with 'bestmove'
 	Sync(PAUSE); // wait for engine to acknowledge 'stop' with 'bestmove'.
 }
@@ -236,7 +245,7 @@ Engine2GUI()
 	DPRINT("# engine said: %s", line), fflush(stdout);
 	if(sscanf(line, "%s", command) != 1) continue;
 	if(!strcmp(command, "bestmove")) {
-	    if(pause) { pondering = pause = 0; Sync(WAKEUP); continue; } // bestmove was reply to ponder miss or analysis result; ignore.
+	    if(pause == 1) { pondering = pause = 0; Sync(WAKEUP); continue; } // bestmove was reply to ponder miss or analysis result; ignore.
 	    else if(pondering) { pondering = 0; printf("%d 0 0 0 UCI violation! Engine moves during ponder\n", lastDepth+1); continue; } // ignore ponder search
 	    // move was a move to be played
 	    if(p = strstr(line+8, " draw")) *p = 0, printf("offer draw\n"); // UCCI
@@ -258,6 +267,7 @@ Engine2GUI()
 	    } else move[moveNr][0] = 0;
 	    Move4GUI(line+9);
 	    printf("move %s\n", line+9); // send move to GUI
+	    if(pause) { pause = 0; Sync(WAKEUP); } // release commands that came in during think
 	    if(lastScore == 100001 && iniPos[0] != 'f') { printf("%s {mate}\n", stm == BLACK ? "1-0" : "0-1"); computer = NONE; }
 	}
 	else if(!strcmp(command, "info")) {
@@ -378,7 +388,7 @@ GUI2Engine()
 		}
 		fprintf(toE, "\n"); DPRINT("\n");
 	    // code for searchmoves goes here
-	    } else StartSearch("");
+	    } else { pause = 2; StartSearch(""); fflush(stdout); fflush(toE); Sync(PAUSE); } // block input during thinking
 	}
       nomove:
 	fflush(toE); fflush(stdout);
@@ -392,10 +402,10 @@ GUI2Engine()
 	    oldMem = memory;
 	    // we can set other options here
 	    if(sc == 'x') { if(newGame) fprintf(toE, "setoption newgame\n"); } else // optional in UCCI
-	    fprintf(toE, "u%cinewgame\n", sc); fflush(toE);
 	    pause = 1; // wait for option settings to take effect
 	    fprintf(toE, "isready\n"); fflush(toE);
 	    Sync(PAUSE); // wait for readyok
+	    fprintf(toE, "u%cinewgame\n", sc); fflush(toE);
 	}
 	else if(!strcmp(command, "usermove")) {
 	    sscanf(line, "usermove %s", command); // strips off linefeed
@@ -407,6 +417,7 @@ GUI2Engine()
 		    char *draw = drawOffer ? " draw" : ""; drawOffer = 0;
 		    pondering = 0; moveNr++; startTime = GetTickCount(); // clock starts running now
 		    fprintf(toE, "ponderhit%s\n", draw); DPRINT("# ponderhit%s\n", draw);
+		    fflush(toE); fflush(stdout); pause = 2; Sync(PAUSE); // block input during thinking
 		    goto nomove;
 		}
 		StopPonder(1);
@@ -486,7 +497,7 @@ GUI2Engine()
 	else if(!strcmp(command, "nopost")) post = 0;
 	else if(!strcmp(command, "easy") && !!*canPonder) ponder = 0, StopPonder(pondering), fprintf(toE, "setoption %s%s %sfalse\n", nameWord, canPonder, valueWord);
 	else if(!strcmp(command, "hard") && !!*canPonder) ponder = 1, fprintf(toE, "setoption %s%s %strue\n", nameWord, canPonder, valueWord), StartPonder();
-	else if(!strcmp(command, "ping"))   { static int done; if(!done) pause = 1, fprintf(toE, "isready\n"), fflush(toE), printf("# send isready\n"), fflush(stdout), Sync(PAUSE); done = 1; printf("pong %s", line+5); }
+	else if(!strcmp(command, "ping"))   { /* static int done; if(!done) pause = 1, fprintf(toE, "isready\n"), fflush(toE), printf("# send isready\n"), fflush(stdout), Sync(PAUSE); done = 1;*/ printf("po%s", line+2); }
 	else if(!strcmp(command, "memory")) sscanf(line, "memory %d", &memory);
 	else if(!strcmp(command, "cores")&& !!*threadOpt) sscanf(line, "cores %d", &cores), fprintf(toE, "setoption %s%s %s%d\n", nameWord, threadOpt, valueWord, cores);
 	else if(!strcmp(command, "sd"))     sscanf(line, "sd %d", &depth);