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user.c
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/*
This File is part of Boo's Chess Engine
Copyright 2000 by Christopher Bowron
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
/* #include <strings.h> */
#include <stdarg.h>
#include "bce.h"
#include "pg.h"
#include "colors.h"
/* =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= */
struct cmd { char *name; void (*func)(char*); char *help; };
struct cmd commands[];
struct v_struct { char *name; void *value;};
/* =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= */
void tell_owner(char *format, ...)
{
/*
static char buf[16384];
va_list ap;
if (robo_mode&&explain_mode)
{
buf[0] = '\0';
va_start(ap, format);
vsprintf(buf, format, ap);
va_end(ap);
printf("tellics tell madhacker %s", buf);
}
*/
}
void whisper(char *format, ...)
{
/*
static char buf[16384];
va_list ap;
if (robo_mode)
{
buf[0] = '\0';
va_start(ap, format);
vsprintf(buf, format, ap);
va_end(ap);
printf("tellics whisper %s", buf);
}
*/
}
void tellics(char *format, ...)
{
/*
static char buf[16384];
va_list ap;
if (robo_mode)
{
buf[0] = '\0';
va_start(ap, format);
vsprintf(buf, format, ap);
va_end(ap);
printf("tellics %s", buf);
}
*/
}
void output(char *format, ...)
{
/*
static char buf[16384];
va_list ap;
buf[0] = '\0';
va_start(ap, format);
vsprintf(buf, format, ap);
va_end(ap);
if (robo_mode)
{
if (explain_mode)
printf("tellics whisper %s", buf);
}
else
printf("%s", buf);
*/
}
void cmd_big(char *s){/*printboard = printboardbig;*/}
void cmd_blind(char *s){/*printboard=printboardblind;*/}
void cmd_small(char *s){/*printboard = printboardsmall;*/}
void cmd_pawns(char *s)
{
/*
printf("WHITE\n");
printbitboard(board->pawnbits[0]);
printf("BLACK\n");
printbitboard(board->pawnbits[1]);
*/
}
/*
+----
| functions that affect who is play each color
+----
*/
void cmd_black(char *s)
{
computer[BLACK]=0;
computer[WHITE]=searchdepth;
board->flags |= turn_flag;
}
void cmd_white(char *s)
{
computer[WHITE]=0;
computer[BLACK]=searchdepth;
board->flags &= ~turn_flag;
}
void cmd_force(char *s)
{
computer[0]=0;
computer[1]=0;
}
void cmd_go(char *s)
{
computer[opp(tomove())]=0;
computer[tomove()]=1;
}
void cmd_demo(char *s)
{
computer[0] = computer[1] = searchdepth;
}
/* =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= */
void cmd_book(char *s){/*loadbook(bookfile);*/}
/* =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= */
void cmd_easy(char *s){ponder_mode = 0;}
void cmd_hard(char *s){ponder_mode = 1;}
void cmd_noexplain(char *s){explain_mode=0;}
void cmd_nopost(char *s){thinking_mode = 0;}
void cmd_post(char *s){thinking_mode = 1;}
void cmd_explain(char *s){explain_mode=1;}
void cmd_random(char *s){}
void cmd_eval(char *s){/*printf("Advantage : %4d\n", evaluate_verbose());*/}
void cmd_moves(char *s){/*printmoves(tomove())*/;}
void cmd_redraw(char *s){/*printboard();*/}
void cmd_exit(char *s){/*exit(0);*/}
void cmd_ignore(char *s){/* do nothing */}
void cmd_suggest(char *s){/*printf("Hint: %s\n", movestring(bce()));*/}
void cmd_time(char *s){/*int v;sscanf(s, "%d", &v);chessclock[opp(tomove())] = v*10;*/}
void cmd_otim(char *s){/*int v;sscanf(s, "%d", &v);chessclock[tomove()] = v*10;*/}
void cmd_xboard(char *s)
{
/*
printboard = printboardblind;
xboard_mode = 1;
*/
}
void cmd_robofics(char *s)
{
robo_mode=1;
// printboard = printboardblind;
thinking_mode = 0;
}
void cmd_undo(char *s)
{
computer[0] = 0;
computer[1] = 0;
if (ply) undomove();
}
void cmd_backup(char *s)
{
int i;
for (i=0;i<2;i++)
cmd_undo(NULL);
}
void cmd_new(char *s)
{
/*
if (gameoverp(tomove()) == IN_PROGRESS)
{
if (weight_mode)
update_weights(-2);
}
initialize();
*/
}
void cmd_draw(char *s)
{
//printf("Request Denied\n");
}
void cmd_board(char *s)
{
/*
int f,r;
for (r=7;r>=0;r--)
{
for (f=0;f<8;f++)
{
chesspiece p=getpiece(f,r);
printf("%c %2d %2d\t", rep(p),
chesspiececolor(p), chesspiecevalue(p));
}
printf("\n");
}
printf("piece counts [%2d %2d]\n", board->piececount[0], board->piececount[1]);
for (f=WPAWN;f<=BKING;f++)
{
printf("%c = %2d\n", rep(f), board->pieces[f]);
}
*/
}
void cmd_hash(char *s)
{
//int i;
/*
printf("\tcur hash: %25llu\n", board->hash);
for (i=ply-1;i>=0;i--)
{
printf("\tpos[%2d] = %25llu\n", i, positions[i]);
}
*/
}
void cmd_name(char *s)
{
#ifdef NOT
char str[80];
FILE *in = fopen("history.txt","r+");
FILE *out = fopen("history.temp.txt", "w+");
int found = 0;
s++;
if (in)
{
while (!feof(in))
{
char *p;
if (!fgets(str, 80, in))
break;
fprintf(out, "%s", str);
if((p = strchr(str, '\n')) != NULL)
*p = '\0';
if (!strcmp(s,str))
found = 1;
}
}
if (!found)
{
printf("oppenent not found in history %s\n", s);
fprintf(out, "%s\n", s);
}
fclose(in);
fclose(out);
rename("history.temp.txt", "history.txt");
remove("history.temp.txt");
#endif
}
void cmd_game(char *s)
{
/*
int i;
for(i=0;i<ply;i++)
{
char *s = movestring(gamestack[i]);
if (i%2==0)
printf("\tW %2d %s\t", (i+1)/2+1, s);
else
printf("\tB %2d %s\n", i/2+1, s);
}
if (ply%2==1) printf("\n");
*/
}
void cmd_kings(char *s)
{
/*
char *str;
str = squarestring(board->kings[WHITE]);
printf("\tWhite King : %s\n", str);
free(str);
str = squarestring(board->kings[BLACK]);
printf("\tBlack King : %s\n", str);
free(str);
*/
}
void cmd_set(char *s)
{
#if 0
struct v_struct var_structs[]=
{
{ "searchdepth", &searchdepth },
{ "searchtime", &searchtime },
{ "highlight", &highlight },
{ "wclock", &chessclock[WHITE] },
{ "bclock", &chessclock[BLACK] },
{ "inc", &clockinc },
{ "promopiece", &promopiece},
{ "pawn", &weights[PAWN_VALUE] },
{ "knight", &weights[KNIGHT_VALUE] },
{ "bishop", &weights[BISHOP_VALUE] },
{ "rook", &weights[ROOK_VALUE] },
{ "queen", &weights[QUEEN_VALUE] },
{ "search", &search },
{ "explain", &explain_mode },
{ NULL, NULL }
};
if (s)
{
int found = 0;
int i;
char *v = malloc(strlen(s)+1);
char *valuestr = malloc(strlen(s)+1);
memset(v, 0, strlen(s));
sscanf(s, "%s %s", v, valuestr);
for (i=0; var_structs[i].name; i++)
{
if (!strcasecmp(var_structs[i].name, v))
{
if (strcmp(v,"search"))
{
int value;
sscanf(valuestr, "%d", &value);
*((int *)var_structs[i].value) = value;
printf("\tSetting %s to %d\n", v, value);
}
else
{
/* if (!strcmp(valuestr,"ab")) */
/* search=alphabeta_search; */
/* else if (!strcmp(valuestr,"abt")) */
/* search=alphabeta_tables; */
/* else if (!strcmp(valuestr,"ns")) */
/* search=negascout_search; */
/* else if (!strcmp(valuestr,"nst")) */
/* search=negascout_tables; */
/* else if (!strcmp(valuestr,"nm")) */
/* search=negamax_search; */
/* else */
/* printf("invalid value for search\n"); */
}
found = 1;
}
}
if (!found)
{
if (strcmp(v,""))
printf("\tVariable not recognized\n");
printf("\t- Available variables -\n");
for (i=0; var_structs[i].name; i++)
{
if (strcmp(var_structs[i].name,"search"))
{
output("\t%-12s = %10d\n", var_structs[i].name,
*((int*)var_structs[i].value));
}
else
{
/* if (search==alphabeta_search) */
/* output("\t%-12s = %10s\n", var_structs[i].name, "ab"); */
/* if (search==alphabeta_tables) */
/* output("\t%-12s = %10s\n", var_structs[i].name, "abt"); */
/* else if (search==negascout_search) */
/* output("\t%-12s = %10s\n", var_structs[i].name, "ns"); */
/* else if (search==negascout_tables) */
/* output("\t%-12s = %10s\n", var_structs[i].name, "nst"); */
/* else if (search==negamax_search) */
/* output("\t%-12s = %10s\n", var_structs[i].name, "nm"); */
}
}
}
free(v);
free(valuestr);
}
countmaterial();
#endif
}
void cmd_attacks(char *s)
{
#if 0
move_and_score *restore_sp = move_sp;
genattacks();
if (move_sp>restore_sp)
{
while (move_sp>restore_sp)
{
move m = popmove();
printf("%8.8lx - %8lu - %s\n", (unsigned long)m, (unsigned long)m,movestring(m));
}
}
else
printf("\tno available attacks\n");
#endif
}
void cmd_sd(char *s)
{
#if 0
int depth;
if (sscanf(s, " %d", &depth))
{
searchdepth = depth;
printf("\tassigning searchdepth = %d\n", searchdepth);
}
else
{
printf("\tError reading searchdepth\n");
}
#endif
}
#define flag_test(test, pos) (test ? pos : '-')
char *formatflags()
{
static char fmt[20];
fmt[0] = flag_test(wqcastlep(), 'Q');
fmt[1] = flag_test(wkcastlep(), 'K');
fmt[2] = flag_test(bqcastlep(), 'q');
fmt[3] = flag_test(bkcastlep(), 'k');
fmt[4] = flag_test(castledp(), 'C');
fmt[5] = flag_test(enpassantedp(), 'E');
fmt[6] = flag_test(doublepushp(), 'P');
fmt[7] = flag_test(wkcastledp(), 'K');
fmt[8] = flag_test(wqcastledp(), 'Q');
fmt[9] = flag_test(bkcastledp(), 'k');
fmt[10] = flag_test(bqcastledp(), 'q');
fmt[11] = tomove() == WHITE ? 'W' : 'B';
fmt[12] = 0;
return fmt;
}
void cmd_inspect(char *s)
{
#if 0
int i;
output("\tPawns : ");
output("W : ");
for (i=1;i<9;i++) output("%d",board->pawns[0][i]);
output(" B : ");
for (i=1;i<9;i++) output("%d",board->pawns[1][i]);
output("\n");
output("\tFlags : %s\n", formatflags());
if (ply)
{
undo u = undostack[ply-1];
int v = board->flags;
board->flags = u.flags;
output("\tprevious move : %c took %c = %s : %s\n",
rep(u.moved), rep(u.captured), movestring(u.m), formatflags());
board->flags = v;
}
if (fullincheckp(tomove()))
{
output("\tYou are currently in check : %d\n", fullincheckp(tomove()));
}
#endif
}
void cmd_default_weights(char *s)
{
//free(base_weights);
// setup_default_weights();
}
void cmd_save(char *s)
{
#if 0
FILE *out;
char *filename;
int i;
filename = (s[1] == 0) ? "bce.saved" : ++s;
out = fopen(filename, "w");
if (!out)
{
printf("error opening file %s\n", filename);
return;
}
for (i=0;i<ply-1;i++)
{
fprintf(out, "%d\n", gamestack[i]);
}
printf("- Game Saved as %s -\n", filename);
fclose(out);
#endif
}
chesspiece lookup(char ch)
{
char wbase[] = " PNBRQK";
char bbase[] = " pnbrqk";
char *p;
if (ch == ' ')
return empty;
if ((p=strchr(wbase, ch)))
return makepiece(WHITE, p-wbase);
if ((p=strchr(bbase, ch)))
return makepiece(BLACK, p-bbase);
return empty;
}
void cmd_load(char *s)
{
#if 0
FILE *in;
move m;
char *filename;
filename = (s[1] == 0) ? "bce.saved" : ++s;
in = fopen(filename, "r");
if (!in)
{
printf("error opening saved game: %s\n", filename);
return;
}
initialize();
computer[0] = 0;
computer[1] = 0;
while(!feof(in))
{
fscanf(in, "%u", &m);
if (feof(in)) break;
domove(m);
/* printf("Move: %s\n", movestring(m)); */
}
printf("- Board Loaded -\n");
// printboard();
countmaterial();
fclose(in);
#endif
}
void cmd_fen(char *s)
{
#if 0
char pos[80];
char color;
char castling[4];
char enpassante[2];
int halfmove, fullmove;
int f, r, i;
FILE *in = fopen(s+1, "r");
if (!in)
{
printf("cmd_fen(): error opening %s\n", s+1);
return;
}
change_gamemode(MIDGAME, 1);
fscanf(in, "%s %c %s %s %d %d", pos, &color, castling, enpassante, &halfmove, &fullmove);
printf("pos: %s\ncolor: %c\ncastling: %s\nenpassante: %s\n",
pos, color, castling, enpassante);
for (i=0;i<64;i++) setpiece__(i,empty);
f = 0;
r = 7;
for (i=0;i<strlen(pos);i++)
{
chesspiece p;
if (pos[i]=='/')
{
r--;
f=0;
printf("new rank: %d\n", r);
}
else if ((pos[i]>='1')&&(pos[i]<='9'))
{
f += pos[i]-'0';
}
else if ((p=lookup(pos[i])))
{
setpiece(f,r,p);
printf("%c @ %c%d\n", rep(p), f+'a',r);
f++;
}
else
{
printf("unknown character in fen position string: %s[%d]\n", pos, i);
exit(EXIT_FAILURE);
}
}
countmaterial();
board->flags = 0;
ply = 0;
if (!strcmp(enpassante, "-"))
{
gamestack[ply]=dummymove;
}
else
{
int file = enpassante[0]-'a';
int rank = enpassante[1]-'1';
board->flags |= enp;
if (rank == 4)
gamestack[ply] = MV(SQ(file,6), SQ(file,4));
else if (rank==3)
gamestack[ply] = MV(SQ(file,1), SQ(file,3));
else
printf("cmd_fen(): error parsing enpassante square\n");
}
ply++;
if (strchr(castling, 'Q'))
board->flags |= wqc;
if (strchr(castling, 'K'))
board->flags |= wkc;
if (strchr(castling, 'q'))
board->flags |= bqc;
if (strchr(castling, 'k'))
board->flags |= bkc;
if (color=='w')
board->flags &= ~turn_flag;
else if (color=='b')
board->flags |= turn_flag;
else
printf("cmd_fen(): error parsing color\n");
#endif
}
void cmd_help(char *s)
{
#if 0
int i=0;
printf("\tAvailable Commands\n");
while (commands[i].name)
{
printf("\t%-10s %s\n", commands[i].name, commands[i].help);
i++;
}
#endif
}
void cmd_info(char *s)
{
// credits();
}
void cmd_edit(char *s)
{
#if 0
char str[80];
int color = WHITE;
board->flags = 0;
for(;;)
{
fgets(str, 80, stdin);
if (!strcmp(str,"#\n"))
clearboard();
else if (!strcmp(str, ".\n"))
break;
else if (!strcmp(str, "c\n"))
color=opp(color);
else if (!strcmp(str, "C\n"))
color=opp(color);
else
{
int f, r;
chesspiece p;
f = str[1]-'a';
r = str[2]-'1';
p = lookup(str[0]);
if (color==WHITE) p &= ~(1);
else p |= 1;
setpiece(f,r,p);
}
}
countmaterial();
/* set up castling rights */
if ((board->kings[WHITE]==E1)&&(getpiece__(H1)==WROOK))
board->flags |= wkc;
if ((board->kings[WHITE]==E1)&&(getpiece__(A1)==WROOK))
board->flags |= wqc;
if ((board->kings[BLACK]==E8)&&(getpiece__(H8)==BROOK))
board->flags |= bkc;
if ((board->kings[BLACK]==E8)&&(getpiece__(A8)==BROOK))
board->flags |= bqc;
compute_hash();
#endif
}
void cmd_level(char *s)
{
#if 0
int movesPerSession, base, inc;
sscanf(s, "%d %d %d", &movesPerSession, &base, &inc);
chessclock[1] = chessclock[0] = base*60*1000;
clockinc = inc*1000;
searchdepth = 100;
endgamedepth = 100;
#endif
}
void cmd_type(char *s)
{
/* static char *gametypes[]={"blitz","standard","wild","suicide","crazyhouse","bughouse"}; */
}
void cmd_threats(char *s)
{
/*
int count=0;
move_and_score *restore_sp = move_sp;
board->flags ^= turn_flag;
genmoves();
board->flags ^= turn_flag;
while (move_sp>restore_sp)
{
square end;
int ef, er;
move m = popmove();
end = TO(m);
ef = F(end);
er = R(end);
if (getpiece__(end))
{
square start;
int sf, sr;
chesspiece p = getpiece(ef, er);
start = FR(m);
sf = F(start);
sr = R(start);
printf("\t%c threatened on %c%c from %c%c\n",
rep(p), ef+'a',er+'1', sf+'a',sr+'1');
count++;
}
}
if (count==0)
printf("\t no pieces currently threatened\n");
*/
}
void cmd_result(char *s)
{
#if 0
char results[10], comment[80];
sscanf(s, " %s %s", results, comment);
printf("read result '%s', comment '%s'\n", results, comment);
if (book_mode)
{
#ifdef NOT
if (!strcmp(results, "1/2-1/2"))
{
hardupdatebook(-1, bookfile);
}
else if (!strcmp(results,"1-0"))
{
hardupdatebook(WHITE, bookfile);
}
else if (!strcmp(results, "0-1"))
{
hardupdatebook(BLACK, bookfile);
}
#endif
}
cmd_new(NULL);
#endif
}
void cmd_import(char *s)
{
}
void cmd_end(char *s)
{
/*
end(-2, "game ended");
output("ending according to user\n");
cmd_new(NULL);
*/
}
void cmd_debug(char *s)
{
/*
freopen("debug.bce", "w+", stdout);
printboard();
cmd_inspect(NULL);
cmd_set(NULL);
exit(EXIT_FAILURE);
*/
}
void cmd_save_binary_book(char *s)
{
/*
s++;
if (savebook_binary(s))
printf("book saved as %s (binary)\n", s);
else
printf("Error saving %s (binary)\n", s);
*/
}
void cmd_load_binary_book(char *s)
{
/*
s++;
if (loadbook_binary(s))
printf("book loaded from %s (binary)\n", s);
else
printf("Error loading %s (binary)\n", s);
*/
}
struct cmd commands[] =
{
{ "attacks",cmd_attacks,"show available attacks" },
{ "backup", cmd_backup,"take back moves" },
{ "big", cmd_big, "use big board" },
{ "black", cmd_black, "xboard/RoboFICS" },
{ "blind", cmd_blind, "don't print board"},
{ "board", cmd_board, "show board setup" },
{ "book", cmd_book, "show book information" },
{ "computer", cmd_ignore, "xboard/RoboFICS"},
{ "debug", cmd_debug, "print debug info to file and die"},
{ "demo", cmd_demo, "play computer vs computer" },
{ "draw", cmd_draw, "offer a draw" },
{ "easy", cmd_easy, "xboard/RoboFICS" },
{ "edit", cmd_edit, "edit the board (RoboFICS)" },
{ "end", cmd_end, "end the game (ROBOFICS)" },
{ "eval", cmd_eval, "show evaluation info" },
{ "exit", cmd_exit, "exit" },
{ "explain", cmd_explain, "fics stuff" },
{ "fen" , cmd_fen, "load fen file" },
{ "force", cmd_force, "force moves to setup board (RoboFICS)" },
{ "game", cmd_game, "show moves in current game" },
{ "go", cmd_go, "set BCE in motion (RoboFICS)" },
{ "hash", cmd_hash, "view positions and current hash" },
{ "hard", cmd_hard, "xboard/RoboFICS" },
{ "help", cmd_help, "show available commands" },
{ "hint", cmd_suggest, "xboard/RoboFICS" },
{ "import", cmd_import, "load a game from FICS" },
{ "info", cmd_info, "program information" },
{ "inspect",cmd_inspect, "show flags, etc"},
{ "killweights", cmd_default_weights, "load default weights" },
{ "kings", cmd_kings, "show location of kings" },
{ "lbbook", cmd_load_binary_book, "load book in binary form" },
{ "level", cmd_level, "xboard/RoboFICS" },
{ "load", cmd_load, "load board/flags"},
{ "moves", cmd_moves, "show available moves" },
{ "name", cmd_name, "xboard/RoboFICS" },
{ "new", cmd_new, "reset board, play a new game" },
{ "noexplain", cmd_noexplain, "fics stuff" },
{ "nopost", cmd_nopost, "don't show thinking" },
{ "otim", cmd_otim, "set oppenents clock (RoboFICS)" },
{ "pawns", cmd_pawns, "show pawn information" },
{ "post", cmd_post, "show thinking" },
{ "quit", cmd_exit, "quit" },
{ "random", cmd_random, "toggle random" },
{ "redraw", cmd_redraw, "redraw the board" },
{ "remove", cmd_backup, "xboard/RoboFICS" },
{ "reset", cmd_new, "reset board, play a new game" },
{ "result", cmd_result, "xboard/RoboFICS" },
{ "robofics", cmd_robofics, "RoboFICS"},
{ "icsdrone", cmd_robofics, "RoboFICS"},
{ "ics", cmd_robofics, "RoboFICS"},
{ "save", cmd_save, "save board/flags" },
{ "sbbook", cmd_save_binary_book, "save book as binary file" },
{ "sd", cmd_sd, "set searchdepth" },
{ "set", cmd_set, "set variables" },
{ "small", cmd_small, "use small board" },
{ "suggest", cmd_suggest, "suggestion from computer" },
{ "threats", cmd_threats, "show threatened pieces/squares" },
{ "time", cmd_time, "set clock (RoboFICS)" },
{ "type", cmd_type, "xboard/RoboFICS" },
{ "undo", cmd_undo, "take back 1 move" },
{ "white", cmd_white, "xboard/RoboFICS" },
{ "xboard", cmd_xboard, "xboard/RoboFICS" },
{ NULL, NULL, NULL }
};
/* functions for reading moves follow */
/* remove +-x from string and read promotion information */
void strip(char *s)
{
int i, j;
size_t n = strlen(s) + 1;
//char *newstring = malloc(n);
char newstring[80];
memset(newstring, 0, n);
j=0;
for (i=0;i<n;i++)
{
switch(s[i])
{
case '=':
promopiece = chesspiecevalue(lookup(s[++i]));
break;
case '+':
case '-':
case 'x':