\r
#define HASH\r
#define KILLERS\r
+#define NULLMOVE\r
\r
#include <stdio.h>\r
#include <stdlib.h>\r
bestScore = curEval; resDep = QSdepth;\r
if(bestScore >= beta || depth < -1) goto cutoff;\r
}\r
-#if 0\r
- if(curEval >= beta) {\r
+#ifdef NULLMOVE\r
+ else if(curEval >= beta) {\r
stm ^= WHITE;\r
- score = -Search(-beta, -iterAlpha, -difEval, depth-3, promoSuppress & SQUARE, ABSENT);\r
+ score = -Search(-beta, 1-beta, -difEval, depth > 3 ? depth-3 : 0, promoSuppress & SQUARE, ABSENT);\r
stm ^= WHITE;\r
if(score >= beta) { msp = oldMSP; retDep += 3; return score + (score < curEval); }\r
}\r
return 2 + (r + ONE > 9);\r
}\r
\r
+int listStart, listEnd;\r
+char boardCopy[BSIZE];\r
+\r
+void\r
+ListMoves ()\r
+{ // create move list on move stack\r
+ int i;\r
+ for(i=0; i< BSIZE; i++) boardCopy[i] = !!board[i];\r
+MapFromScratch(attacks);\r
+ postThinking--; repCnt = 0; tlim1 = tlim2 = 1e8; msp = 0;\r
+ Search(-INF-1, INF+1, 0, 1, sup1 & ~PROMOTE, sup2);\r
+ postThinking++;\r
+ listStart = retFirst; listEnd = msp = retMSP;\r
+}\r
+\r
MOVE\r
ParseMove (char *moveText)\r
{\r
ret = f<<SQLEN | t2;\r
if(*moveText != '\n' && *moveText != '=') ret |= PROMOTE;\r
printf("# suppress = %c%d\n", sup1%BW+'a', sup1/BW);\r
-MapFromScratch(attacks);\r
- postThinking--; repCnt = 0;\r
- Search(-INF-1, INF+1, 0, 1, sup1 & ~PROMOTE, sup2);\r
- postThinking++;\r
- for(i=retFirst; i<retMSP; i++) {\r
+// ListMoves();\r
+ for(i=listStart; i<listEnd; i++) {\r
if(moveStack[i] == INVALID) continue;\r
if(c == '@' && (moveStack[i] & SQUARE) == (moveStack[i] >> SQLEN & SQUARE)) break; // any null move matches @@@@\r
if((moveStack[i] & (PROMOTE | DEFER-1)) == ret) break;\r
if((moveStack[i] & DEFER-1) == ret) deferred = i; // promoted version of entered non-promotion is legal\r
}\r
-printf("# moveNr = %d in {%d,%d}\n", i, retFirst, retMSP);\r
- if(i>=retMSP) { // no exact match\r
+printf("# moveNr = %d in {%d,%d}\n", i, listStart, listEnd);\r
+ if(i>=listEnd) { // no exact match\r
if(deferred) { // but maybe non-sensical deferral\r
int flags = p[board[f]].promoFlag;\r
printf("# deferral of %d\n", deferred);\r
if(!(flags & promoBoard[f])) moveStack[i] |= DEFER; // came from outside zone, so essential deferral\r
}\r
}\r
- if(i >= retMSP) {\r
- for(i=retFirst; i<retMSP; i++) printf("# %d. %08x %08x %s\n", i-50, moveStack[i], ret, MoveToText(moveStack[i], 0));\r
+ if(i >= listEnd) {\r
+ for(i=listStart; i<listEnd; i++) printf("# %d. %08x %08x %s\n", i-50, moveStack[i], ret, MoveToText(moveStack[i], 0));\r
reason = NULL;\r
for(i=0; i<repCnt; i++) {if((repeatMove[i] & 0xFFFFFF) == ret) {\r
if(repeatMove[i] & 1<<24) reason = (repeatMove[i] & 1<<25 ? "Distant capture of protected Lion" : "Counterstrike against Lion");\r
}\r
}\r
}\r
- return (i >= retMSP ? INVALID : moveStack[i]);\r
+ return (i >= listEnd ? INVALID : moveStack[i]);\r
}\r
\r
void\r
char b[BSIZE], buf[2000], *q;\r
for(i=0; i<bsize; i++) b[i] = 0;\r
ReadSquare(coords, &sqr);\r
-MapFromScratch(attacks);\r
-//pmap(attacks, WHITE);\r
-//pmap(attacks, BLACK);\r
-//flag=1;\r
- postThinking--; repCnt = 0;\r
- Search(-INF-1, INF+1, 0, 1, sup1 & ~PROMOTE, sup2);\r
- postThinking++;\r
-flag=0;\r
- for(i=retFirst; i<retMSP; i++) {\r
+// ListMoves();\r
+ for(i=listStart; i<listEnd; i++) {\r
if(sqr == (moveStack[i]>>SQLEN & SQUARE)) {\r
int t = moveStack[i] & SQUARE;\r
if(t >= SPECIAL) continue;\r
- b[t] = (board[t] == EMPTY ? 'Y' : 'R'); cnt++;\r
+ b[t] = (!boardCopy[t] ? 'Y' : 'R'); cnt++;\r
}\r
}\r
if(!cnt) { // no moves from given square\r
if(sqr != lastPut) return; // refrain from sending empty FEN\r
// we lifted a piece for second leg of move\r
- for(i=retFirst; i<retMSP; i++) {\r
+ for(i=listStart; i<listEnd; i++) {\r
if(lastLift == (moveStack[i]>>SQLEN & SQUARE)) {\r
int e, t = moveStack[i] & SQUARE;\r
if(t < SPECIAL) continue; // only special moves\r
e = lastLift + epList[t - SPECIAL]; // decode\r
t = lastLift + toList[t - SPECIAL];\r
if(e != sqr) continue;\r
- b[t] = (board[t] == EMPTY ? 'Y' : 'R'); cnt++;\r
+ b[t] = (!boardCopy[t] ? 'Y' : 'R'); cnt++;\r
}\r
}\r
if(!cnt) return;\r
else printf("0-1%s\n", tail);\r
}\r
\r
+ void GetLine(int root)\r
+ {\r
+ int i, c;\r
+ while(1) {\r
+ // wait for input, and read it until we have collected a complete line\r
+ for(i = 0; (inBuf[i] = c = getchar()) != '\n'; i++) if(c == EOF || i>7997) exit(0);\r
+ inBuf[i+1] = 0;\r
+\r
+ // extract the first word\r
+ sscanf(inBuf, "%s", command);\r
+ if(!strcmp(command, "otim")) { continue; } // do not start pondering after receiving time commands, as move will follow immediately\r
+ if(!strcmp(command, "time")) { sscanf(inBuf, "time %d", &timeLeft); continue; }\r
+ if(!strcmp(command, "put")) { ReadSquare(inBuf+4, &lastPut); continue; } // ditto\r
+ if(!strcmp(command, ".")) { inBuf[0] = 0; return; } // ignore for now\r
+ if(!strcmp(command, "lift")) { inBuf[0] = 0; Highlight(inBuf+5); return; } // treat here\r
+ return;\r
+ }\r
+ }\r
+\r
main()\r
{\r
int engineSide=NONE; // side played by engine\r
\r
fflush(stdout); // make sure everything is printed before we do something that might take time\r
\r
+ if(listEnd == 0) ListMoves(); // always maintain a list of legal moves in root position\r
+\r
if(stm == engineSide) { // if it is the engine's turn to move, set it thinking, and let it move\r
\r
pboard(board);\r
stm = MakeMove2(stm, move); // assumes MakeMove returns new side to move\r
gameMove[moveNr++] = move; // remember game\r
printf("move %s\n", MoveToText(move, 1));\r
+ listEnd = 0;\r
}\r
}\r
\r
}\r
}\r
\r
- noPonder:\r
- // wait for input, and read it until we have collected a complete line\r
- for(i = 0; (inBuf[i] = getchar()) != '\n'; i++);\r
- inBuf[i+1] = 0;\r
-\r
- // extract the first word\r
- sscanf(inBuf, "%s", command);\r
-printf("in: %s\n", command);\r
+ fflush(stdout); // make sure everything is printed before we do something that might take time\r
+ if(!*inBuf) GetLine(1); // takes care of time and otim commands\r
\r
// recognize the command,and execute it\r
if(!strcmp(command, "quit")) { break; } // breaks out of infinite loop\r
if(!strcmp(command, "force")) { engineSide = NONE; continue; }\r
if(!strcmp(command, "analyze")) { engineSide = ANALYZE; continue; }\r
if(!strcmp(command, "exit")) { engineSide = NONE; continue; }\r
- if(!strcmp(command, "otim")) { goto noPonder; } // do not start pondering after receiving time commands, as move will follow immediately\r
- if(!strcmp(command, "time")) { sscanf(inBuf, "time %d", &timeLeft); goto noPonder; }\r
if(!strcmp(command, "level")) {\r
int min, sec=0;\r
sscanf(inBuf, "level %d %d %d", &mps, &min, &inc) == 3 || // if this does not work, it must be min:sec format\r
if(sscanf(inBuf+7, "Contempt=%d", &contemptFactor) == 1) continue;\r
continue;\r
}\r
- if(!strcmp(command, "variant")) {\r
- for(i=0; i<7; i++) {\r
- sscanf(inBuf+8, "%s", command);\r
- if(!strcmp(variants[i].name, command)) {\r
- Init(curVarNr = i); stm = Setup2(NULL); break;\r
- }\r
- }\r
- continue;\r
- }\r
if(!strcmp(command, "sd")) { sscanf(inBuf, "sd %d", &maxDepth); continue; }\r
if(!strcmp(command, "st")) { sscanf(inBuf, "st %d", &timePerMove); continue; }\r
if(!strcmp(command, "memory")) { SetMemorySize(atoi(inBuf+7)); continue; }\r
if(!strcmp(command, "ping")) { printf("pong%s", inBuf+4); continue; }\r
// if(!strcmp(command, "")) { sscanf(inBuf, " %d", &); continue; }\r
- if(!strcmp(command, "new")) {\r
- engineSide = BLACK; Init(V_CHESS); stm = Setup2(NULL); maxDepth = MAXPLY; randomize = OFF; curVarNr = comp = 0;\r
- continue;\r
- }\r
- if(!strcmp(command, "setboard")){ engineSide = NONE; Init(curVarNr); stm = Setup2(inBuf+9); continue; }\r
if(!strcmp(command, "easy")) { ponder = OFF; continue; }\r
if(!strcmp(command, "hard")) { ponder = ON; continue; }\r
- if(!strcmp(command, "undo")) { stm = TakeBack(1); continue; }\r
- if(!strcmp(command, "remove")) { stm = TakeBack(2); continue; }\r
if(!strcmp(command, "go")) { engineSide = stm; continue; }\r
if(!strcmp(command, "post")) { postThinking = ON; continue; }\r
if(!strcmp(command, "nopost")) { postThinking = OFF;continue; }\r
if(!strcmp(command, "random")) { randomize = ON; continue; }\r
if(!strcmp(command, "hint")) { if(ponderMove != INVALID) printf("Hint: %s\n", MoveToText(ponderMove, 0)); continue; }\r
- if(!strcmp(command, "lift")) { Highlight(inBuf+5); continue; }\r
- if(!strcmp(command, "put")) { ReadSquare(inBuf+4, &lastPut); continue; }\r
if(!strcmp(command, "book")) { continue; }\r
// non-standard commands\r
if(!strcmp(command, "p")) { pboard(board); continue; }\r
if(!strcmp(command, "accepted")){ continue; }\r
if(!strcmp(command, "rejected")){ continue; }\r
if(!strcmp(command, "result")) { continue; }\r
- if(!strcmp(command, "hover")) { continue; }\r
+ if(!strcmp(command, "hover")) { continue; }\r
if(!strcmp(command, "")) { continue; }\r
if(!strcmp(command, "usermove")){\r
int move = ParseMove(inBuf+9);\r
if(comp) PrintResult(stm, -INF); // against computer: claim\r
} else {\r
stm = MakeMove2(stm, move);\r
- ponderMove = INVALID;\r
+ ponderMove = INVALID; listEnd = 0;\r
gameMove[moveNr++] = move; // remember game\r
}\r
continue;\r
}\r
+ listEnd = 0;\r
+ if(!strcmp(command, "new")) {\r
+ engineSide = BLACK; Init(V_CHESS); stm = Setup2(NULL); maxDepth = MAXPLY; randomize = OFF; curVarNr = comp = 0;\r
+ continue;\r
+ }\r
+ if(!strcmp(command, "variant")) {\r
+ for(i=0; i<7; i++) {\r
+ sscanf(inBuf+8, "%s", command);\r
+ if(!strcmp(variants[i].name, command)) {\r
+ Init(curVarNr = i); stm = Setup2(NULL); break;\r
+ }\r
+ }\r
+ continue;\r
+ }\r
+ if(!strcmp(command, "setboard")){ engineSide = NONE; Init(curVarNr); stm = Setup2(inBuf+9); continue; }\r
+ if(!strcmp(command, "undo")) { stm = TakeBack(1); continue; }\r
+ if(!strcmp(command, "remove")) { stm = TakeBack(2); continue; }\r
printf("Error: unknown command\n");\r
}\r
}\r
projects / hachu.git / blobdiff