Implement pause / resume commands

diff --git a/README.txt b/README.txt
index afef1f8..fa4cbdc 100644 (file)
--- a/README.txt
+++ b/README.txt
@@ -46,6 +46,9 @@ H.G.Muller
 \r
 Change log:\r
 \r
+4/12/2012 1.10\r
+Implement pause / resume commands\r
+\r
 9/5/2012\r
 Fix bug in converting shogi moves, introduced in v1.8\r
 \r

diff --git a/UCI2WB.c b/UCI2WB.c
index 78ab021..fbd9d74 100644 (file)
--- a/UCI2WB.c
+++ b/UCI2WB.c
@@ -1,6 +1,6 @@
 /************************* UCI2WB by H.G.Muller ****************************/\r
 \r
-#define VERSION "1.9"\r
+#define VERSION "1.10"\r
 \r
 #include <stdio.h>\r
 #include <stdlib.h>\r
@@ -30,7 +30,7 @@
 #define NONE  2\r
 #define ANALYZE 3\r
 \r
-char move[2000][10], checkOptions[8192], iniPos[256], hashOpt[20], pause, pondering, ponder, post, hasHash, c, sc='c', *suffix, *variants;\r
+char move[2000][10], checkOptions[8192], iniPos[256], hashOpt[20], pause, pondering, suspended, ponder, post, hasHash, c, sc='c', *suffix, *variants;\r
 int mps, tc, inc, sTime, depth, myTime, hisTime, stm, computer = NONE, memory, oldMem=0, cores, moveNr, lastDepth, lastScore, startTime, debug;\r
 int statDepth, statScore, statNodes, statTime, currNr, size, collect, nr, sm, inex, on[500]; char currMove[20], moveMap[500][10]; // for analyze mode\r
 \r
@@ -278,7 +278,7 @@ GUI2Engine()
     while(1) {\r
        int i, x;\r
 \r
-       if(computer == stm || computer == ANALYZE) {\r
+       if((computer == stm || computer == ANALYZE) && !suspended) {\r
            DPRINT("# start search\n");\r
            LoadPos(moveNr); // load position\r
            // and set engine thinking (note USI swaps colors!)\r
@@ -341,7 +341,7 @@ GUI2Engine()
        }\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 done=0\n", 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 option=\"UCI2WB debug output -check %d\"\n", debug);\r
            fprintf(toE, "u%ci\n", sc); fflush(toE); // this prompts UCI engine for options\r
            Sync(PAUSE); // wait for uciok\r
@@ -377,6 +377,18 @@ GUI2Engine()
            if(!(sm & 2)) goto nomove; // no moves enabled; continue current search\r
            if(computer == ANALYZE) StopPonder(1); // abort old analysis\r
        }\r
+       else if(!strcmp(command, "pause")) {\r
+           if(computer == stm) myTime -= GetTickCount() - startTime;\r
+           suspended = 1 + pondering, StopPonder(1); // remember if we were pondering, and stop search ignoring bestmove\r
+       }\r
+       else if(!strcmp(command, "resume")) {\r
+           if(suspended == 2) { // restart interrupted ponder search\r
+               LoadPos(moveNr+1);\r
+               pondering = 1; lastDepth = 1;\r
+               StartSearch(" ponder");\r
+           }\r
+           suspended = 0; // causes thinking to start in normal way if on move or analyzing\r
+       }\r
        else if(!strcmp(command, "xboard")) ;\r
        else if(!strcmp(command, "analyze"))computer = ANALYZE, collect = 1, sm = 0;\r
        else if(!strcmp(command, "exit"))   computer = NONE, StopPonder(1);\r