-/************************* UCI2WB by H.G.Muller ****************************/\r
-\r
-#define VERSION "1.10"\r
+/****************************************************************************/\r
+/* UCI2WB by H.G.Muller */\r
+/* */\r
+/* UCI2WB is an adapter to run engines that communicate in various dialects */\r
+/* of the Universal Chess Interface in a GUI that supports XBoard protocol */\r
+/* (CECP). It supports UCI (when used for Xiangqi: the 'Cyclone dialect'), */\r
+/* as well as USI and UCCI when used with the flags -s or -x, respectively. */\r
+/* This version of UCI2WB is released under the GNU General Public License, */\r
+/* of which you should have received a copy together with this file. */\r
+/****************************************************************************/\r
+\r
+#define VERSION "2.0"\r
\r
#include <stdio.h>\r
#include <stdlib.h>\r
int statDepth, statScore, statNodes, statTime, currNr, size, collect, nr, sm, inex, on[500];\r
char currMove[20], moveMap[500][10], /* for analyze mode */ canPonder[20], threadOpt[20];\r
char board[100]; // XQ board for UCCI\r
-char *nameWord = "name ", *valueWord = "value ", *wTime = "w", *bTime = "b", *wInc = "winc", *bInc = "binc"; // keywords that differ in UCCI\r
-int unit = 1;\r
+char *nameWord = "name ", *valueWord = "value ", *wTime = "w", *bTime = "b", *wInc = "winc", *bInc = "binc", newGame; // keywords that differ in UCCI\r
+int unit = 1, drawOffer;\r
\r
FILE *toE, *fromE, *fromF;\r
int pid;\r
FromFEN(iniPos + 4); // in XQ iniPos always has just "fen " prefix\r
for(i=0; i<nr; i++) {\r
int from=Sqr(move[i], 0), to=Sqr(move[i], 2);\r
- if(board[to]) last = i;\r
+ if(board[to] || (board[from]|32) == 'p' && move[i][1] != move[i][3]) last = i;\r
board[to] = board[from]; board[from] = 0;\r
}\r
return last;\r
int x = (ponder[0] != 0); // during ponder stm is the opponent\r
int black = (stm == BLACK ^ x ^ sc == 's'); // set if our color is what the engine calls black\r
int nr = moveNr + x; // we ponder for one move ahead!\r
- if(sc == 'x') black = 1; // in UCCI 'black' refers to us and 'white' to opponent\r
+ if(sc == 'x') black = 1; else drawOffer = 0;// in UCCI 'black' refers to us and 'white' to opponent\r
+ if(!x && drawOffer) ponder = " draw", drawOffer = 0; //pass draw offer only when not pondering\r
fprintf(toE, "\ngo%s %stime %d %stime %d", ponder, bTime, black ? myTime : hisTime, wTime, !black ? myTime : hisTime);\r
DPRINT( "\n# go%s %stime %d %stime %d", ponder, bTime, black ? myTime : hisTime, wTime, !black ? myTime : hisTime);\r
if(sTime > 0) { fprintf(toE, " movetime %d", sTime); DPRINT(" movetime %d", sTime); } else\r
StopPonder(int pondering)\r
{\r
if(!pondering) return;\r
- pause = 1;\r
+ pause = 2;\r
fprintf(toE, "stop\n"); fflush(toE); DPRINT("# stop\n"); // note: 'pondering' remains set until engine acknowledges 'stop' with 'bestmove'\r
Sync(PAUSE); // wait for engine to acknowledge 'stop' with 'bestmove'.\r
}\r
DPRINT("# engine said: %s", line), fflush(stdout);\r
if(sscanf(line, "%s", command) != 1) continue;\r
if(!strcmp(command, "bestmove")) {\r
- if(pause) { pondering = pause = 0; Sync(WAKEUP); continue; } // bestmove was reply to ponder miss or analysis result; ignore.\r
+ if(pause == 1) { pondering = pause = 0; Sync(WAKEUP); continue; } // bestmove was reply to ponder miss or analysis result; ignore.\r
+ else if(pondering) { pondering = 0; printf("%d 0 0 0 UCI violation! Engine moves during ponder\n", lastDepth+1); continue; } // ignore ponder search\r
// move was a move to be played\r
+ if(p = strstr(line+8, " draw")) *p = 0, printf("offer draw\n"); // UCCI\r
if(strstr(line+9, "resign")) { printf("resign\n"); computer = NONE; }\r
if(strstr(line+9, "(none)") || strstr(line+9, "null") ||\r
strstr(line+9, "0000")) { printf("%s\n", lastScore < -99999 ? "resign" : "1/2-1/2 {stalemate}"); computer = NONE; }\r
sscanf(line, "bestmove %s", move[moveNr++]);\r
myTime -= (GetTickCount() - startTime)*1.02 + inc; // update own clock, so we can give correct wtime, btime with ponder\r
if(mps && ((moveNr+1)/2) % mps == 0) myTime += tc; if(sTime) myTime = sTime; // new session or move starts\r
-\r
stm = WHITE+BLACK - stm;\r
// first start a new ponder search, if pondering is on and we have a move to ponder on\r
if(p = strstr(line+9, "ponder")) {\r
} else move[moveNr][0] = 0;\r
Move4GUI(line+9);\r
printf("move %s\n", line+9); // send move to GUI\r
+ if(pause) { pause = 0; Sync(WAKEUP); } // release commands that came in during think\r
if(lastScore == 100001 && iniPos[0] != 'f') { printf("%s {mate}\n", stm == BLACK ? "1-0" : "0-1"); computer = NONE; }\r
}\r
else if(!strcmp(command, "info")) {\r
if(p = strstr(line+6, " max ")) sscanf(p+1, "max %d", &max), *p = '\n';\r
if(p = strstr(line+6, " default ")) sscanf(p+1, "default %[^\n]*", val), *p = '\n';\r
if(!(p = strstr(line+6, " name "))) p = line+1; sscanf(p+6, "%[^\n]", name); // 'name' is omitted in UCCI\r
- if(!strcmp(name, "Threads")) { strcpy(threadOpt, name); continue; }\r
- if(!strcmp(name, "Ponder") || !strcmp(name, "USI_Ponder")) { strcpy(canPonder, name); continue; }\r
- if(!strcmp(name, "Hash") || !strcmp(name, "USI_Hash")) {\r
+ if(!strcasecmp(name, "Threads")) { strcpy(threadOpt, name); continue; }\r
+ if(!strcasecmp(name, "Ponder") || !strcasecmp(name, "USI_Ponder")) { strcpy(canPonder, name); continue; }\r
+ if(!strcasecmp(name, "Hash") || !strcasecmp(name, "USI_Hash") || !strcasecmp(name, "hashsize")) {\r
memory = oldMem = atoi(val); hasHash = 1; \r
strcpy(hashOpt, name);\r
continue;\r
}\r
+ if(!strcasecmp(name, "newgame") && !strcmp(type, "button")) { newGame++; continue; }\r
+ if(!strcasecmp(name, "usemillisec")) { unit = (!strcmp(val, "false") ? 2 : 1); continue; }\r
// pass on engine-defined option as WB option feature\r
if(!strcmp(type, "filename")) type[4] = 0;\r
sprintf(buf, "feature option=\"%s -%s", name, type); q = buf + strlen(buf);\r
else if(!strcmp(command, "readyok")) { pause = 0; Sync(WAKEUP); } // resume processing of GUI commands\r
else if(sc == 'x'&& !strcmp(command, "ucciok") || sscanf(command, "u%ciok", &c)==1 && c==sc) {\r
printf("feature smp=1 memory=%d done=1\n", hasHash);\r
+ if(unit == 2) unit = 1, fprintf(toE, "setoption usemillisec true\n");\r
Sync(WAKEUP); // done with options\r
}\r
}\r
\r
if((computer == stm || computer == ANALYZE) && !suspended) {\r
DPRINT("# start search\n");\r
- LoadPos(moveNr); // load position\r
+ LoadPos(moveNr); fflush(stdout); // load position\r
// and set engine thinking (note USI swaps colors!)\r
startTime = GetTickCount();\r
if(computer == ANALYZE) {\r
}\r
fprintf(toE, "\n"); DPRINT("\n");\r
// code for searchmoves goes here\r
- } else StartSearch("");\r
+ } else { pause = 2; StartSearch(""); fflush(stdout); fflush(toE); Sync(PAUSE); } // block input during thinking\r
}\r
nomove:\r
fflush(toE); fflush(stdout);\r
i = 0; while((x = getchar()) != EOF && (line[i] = x) != '\n') i++;\r
- line[++i] = 0; if(x == EOF) { printf("# EOF\n"); exit(-1); }\r
+ line[++i] = 0; if(x == EOF) { printf("# EOF\n"); fprintf(toE, "quit\n"); exit(-1); }\r
sscanf(line, "%s", command);\r
if(!strcmp(command, "new")) {\r
computer = BLACK; moveNr = 0; depth = -1; move[0][0] = 0;\r
if(memory != oldMem && hasHash) fprintf(toE, "setoption name %s %s%d\n", hashOpt, valueWord, memory);\r
oldMem = memory;\r
// we can set other options here\r
+ if(sc == 'x') { if(newGame) fprintf(toE, "setoption newgame\n"); } else // optional in UCCI\r
pause = 1; // wait for option settings to take effect\r
- fprintf(toE, "isready\n");\r
- fprintf(toE, "u%cinewgame\n", sc); fflush(toE);\r
+ fprintf(toE, "isready\n"); fflush(toE);\r
Sync(PAUSE); // wait for readyok\r
+ fprintf(toE, "u%cinewgame\n", sc); fflush(toE);\r
}\r
else if(!strcmp(command, "usermove")) {\r
sscanf(line, "usermove %s", command); // strips off linefeed\r
// when pondering we either continue the ponder search as normal search, or abort it\r
if(pondering || computer == ANALYZE) {\r
if(pondering && !strcmp(command, move[moveNr])) { // ponder hit\r
+ char *draw = drawOffer ? " draw" : ""; drawOffer = 0;\r
pondering = 0; moveNr++; startTime = GetTickCount(); // clock starts running now\r
- fprintf(toE, "ponderhit\n"); DPRINT("# ponderhit\n");\r
+ fprintf(toE, "ponderhit%s\n", draw); DPRINT("# ponderhit%s\n", draw);\r
goto nomove;\r
}\r
StopPonder(1);\r
}\r
else if(!strcmp(command, "protover")) {\r
if(!variants) variants = sc=='s' ? "shogi,5x5+5_shogi" : VARIANTS;\r
- printf("feature variants=\"%s\" setboard=1 usermove=1 debug=1 ping=1 reuse=0 exclude=1 pause=1 done=0\n", variants);\r
+ printf("feature variants=\"%s\" setboard=1 usermove=1 debug=1 ping=1 reuse=0 exclude=1 pause=1 sigint=0 sigterm=0 done=0\n", variants);\r
printf("feature option=\"UCI2WB debug output -check %d\"\n", debug);\r
fprintf(toE, sc == 'x' ? "ucci\n" : "u%ci\n", sc); fflush(toE); // prompt UCI engine for options\r
Sync(PAUSE); // wait for uciok\r
else if(!strcmp(command, "nopost")) post = 0;\r
else if(!strcmp(command, "easy") && !!*canPonder) ponder = 0, StopPonder(pondering), fprintf(toE, "setoption %s%s %sfalse\n", nameWord, canPonder, valueWord);\r
else if(!strcmp(command, "hard") && !!*canPonder) ponder = 1, fprintf(toE, "setoption %s%s %strue\n", nameWord, canPonder, valueWord), StartPonder();\r
- else if(!strcmp(command, "ping")) pause = 1, fprintf(toE, "isready\n"), fflush(toE), Sync(PAUSE), printf("pong %s", line+5);\r
+ 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); }\r
else if(!strcmp(command, "memory")) sscanf(line, "memory %d", &memory);\r
else if(!strcmp(command, "cores")&& !!*threadOpt) sscanf(line, "cores %d", &cores), fprintf(toE, "setoption %s%s %s%d\n", nameWord, threadOpt, valueWord, cores);\r
else if(!strcmp(command, "sd")) sscanf(line, "sd %d", &depth);\r
else if(!strcmp(command, "st")) sscanf(line, "st %d", &sTime), sTime = 1000*sTime - 30, inc = 0, sTime /= unit;\r
+ else if(!strcmp(command, "offer")) drawOffer = 1;\r
else if(!strcmp(command, "quit")) fprintf(toE, "quit\n"), fflush(toE), exit(0);\r
}\r
}\r
#ifdef WIN32\r
CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE) Engine2GUI, (LPVOID) NULL, 0, &thread_id);\r
#else\r
- { pthread_t t; signal(SIGINT, SIG_IGN); pthread_create(&t, NULL, Engine2GUI, NULL); }\r
+ { pthread_t t; signal(SIGINT, SIG_IGN); signal(SIGTERM, SIG_IGN); pthread_create(&t, NULL, Engine2GUI, NULL); }\r
#endif\r
\r
// handle GUI->engine traffic in original thread\r