Subtract byoyomi from wtime and btime

USI engines think byoyomi comes in addition to their time on the clock,
so the time passed from the GUI in CECP must be decreased by the byoyomi
to let the engine know how close it is to forfeit.

diff --git a/UCI2WB.c b/UCI2WB.c
index 62e17e4..ff5ec8c 100644 (file)
--- a/UCI2WB.c
+++ b/UCI2WB.c
@@ -141,13 +141,14 @@ StartSearch(char *ponder)
        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
+       int t = (flob ? inc + myTime/40 : 1000*byo*(byo>0)); // byoyomi time \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
+       fprintf(toE, "\ngo%s %stime %d %stime %d", ponder, bTime, (black ? myTime : hisTime) - t, wTime, (!black ? myTime : hisTime) - t);\r
+       DPRINT(    "\n# go%s %stime %d %stime %d", ponder, bTime, (black ? myTime : hisTime) - t, wTime, (!black ? myTime : hisTime) - t);\r
        if(sTime > 0) { fprintf(toE, " movetime %d", sTime); DPRINT(" movetime %d", sTime); } else\r
        if(mps) { fprintf(toE, " movestogo %d", mps*(nr/(2*mps)+1)-nr/2); DPRINT(" movestogo %d", mps*(nr/(2*mps)+1)-nr/2); }\r
-       if(flob || byo >= 0) sprintf(suffix, " byoyomi %d", byo >=0 ? 1000*byo : inc + myTime/40); // for engines running purely on byoyomi\r
+       if(flob || byo >= 0) sprintf(suffix, " byoyomi %d", t); // for engines running purely on byoyomi\r
        if(inc && !*suffix) { fprintf(toE, " %s %d %s %d", wInc, inc, bInc, inc); DPRINT(" %s %d %s %d", wInc, inc, bInc, inc); }\r
        if(depth > 0) { fprintf(toE, " depth %d", depth); DPRINT(" depth %d", depth); }\r
         if(*suffix) { fprintf(toE, suffix, inc); DPRINT(suffix, inc); }\r