main.cpp

   1 /***************************************************************************
   2                           main.cpp  -  description
   3                              -------------------
   4     begin                : Fri Jan 11 2002
   5     copyright            : (C) 2002-2007 by Maurizio Monge
   6     email                : monge@linuz.sns.it
   7  ***************************************************************************/
   8
   9 /***************************************************************************
  10  *                                                                         *
  11  *   This program is free software; you can redistribute it and/or modify  *
  12  *   it under the terms of the GNU General Public License as published by  *
  13  *   the Free Software Foundation; either version 2 of the License, or     *
  14  *   (at your option) any later version.                                   *
  15  *                                                                         *
  16  ***************************************************************************/
  17
  18
  19 #include <unistd.h>
  20 #include <stdio.h>
  21 #include <stdlib.h>
  22 #include <string.h>
  23 #include "board.h"
  24 #include "engine.h"
  25
  26 //--------------------------------------------------------------------------------------------
  27
  28
  29 int main(int argc, char *argv[])
  30 {
  31 #if defined(_WIN32) || defined(_WIN64)
  32     putenv("HOME=C:");
  33 #endif
  34
  35     init_stdin();
  36     //setvbuf(stdin, NULL, _IOLBF, 0);
  37     setbuf(stdin, NULL);
  38     setvbuf(stdout, NULL, _IOLBF, 0);
  39
  40     bool message = false;
  41     Engine *eng = new Engine();
  42
  43     /*#define PRINT_SIZE(c) printf("sizeof(" #c ") = %ld\n", sizeof(c))
  44     PRINT_SIZE(Move);
  45     PRINT_SIZE(HashKey);
  46     PRINT_SIZE(HashEntry);
  47     PRINT_SIZE(LinePawns);
  48     PRINT_SIZE(MatTrack);*/
  49
  50     if(argc >=2 && !strcmp(argv[1], "-a"))
  51         eng->autotune();
  52
  53     if(argc >=4 && !strcmp(argv[1], "-b"))
  54     {
  55         int tot_nodes = 0;
  56         eng->set_depth(atoi(argv[2]));
  57         for(int i=3;i<argc;i++)
  58         {
  59             FILE* f = fopen(argv[i],"r");
  60             if(f)
  61             {
  62                 eng->read_board(f);
  63                 fclose(f);
  64
  65                 eng->start();
  66                 printf("\nanalyzing %s\n", argv[i]);
  67                 eng->find_best_move();
  68                 tot_nodes += eng->processed_nodes;
  69             }
  70         }
  71         printf("\ntot processed nodes is %d\n", tot_nodes);
  72         return 0;
  73     }
  74
  75     if(argc >=3 && !strcmp(argv[1], "-e"))
  76     {
  77         for(int i=2;i<argc;i++)
  78         {
  79             FILE* f = fopen(argv[i],"r");
  80             if(f)
  81             {
  82                 eng->read_board(f);
  83                 fclose(f);
  84                 eng->print_board();
  85             }
  86         }
  87         return 0;
  88     }
  89
  90 #if 0
  91     eng->print_board();
  92     eng->set_depth(9);
  93     eng->read_board("r2rb1k1/pp1q1p1p/2n1p1p1/2bp4/5P2/PP1BPR1Q/1BPN2PP/R5K1 w - - 0 1");
  94     eng->start();
  95     eng->find_best_move();
  96 #endif
  97
  98     if(!eng->io_xboard)
  99         eng->print_board();
 100
 101     int prev_move_index = 999;
 102     int prev_move_val = 0;
 103
 104     while(1)
 105     {
 106         if(eng->eng_status==ANALYZING)
 107         {
 108             eng->analyze();
 109         }
 110         else if(eng->computer_color() != eng->color_to_move()
 111             || eng->get_status() != PLAYING)  //wait for command or move...
 112         {
 113             if(eng->ponder && eng->eng_status==PLAYING &&
 114                     eng->status == PLAYING &&
 115                     eng->st_computer_color == eng->board.other_color)
 116                 eng->do_ponder();
 117             else
 118                 eng->process_input();
 119         }
 120         else
 121         {
 122             if(prev_move_index > eng->mv_done_num)
 123                 prev_move_val = +INF;
 124             prev_move_index = eng->mv_done_num;
 125
 126             Move mv = eng->find_best_move();
 127             int t = current_time();         ////
 128             if(t < eng->max_think_time-5)        ////
 129             {
 130                 //printf("# will simulate a human think %d centiseconds\n", 50*(eng->max_think_time-t));
 131                 //usleep(5000*(eng->max_think_time-t));      ////
 132             }
 133
 134 ////            if(mv.val > prev_move_val+200 && mv.capture && PIECE_OF(mv.capture) != PAWN)
 135 ////                eng->output("tellicsnoalias say Chomp!\n");
 136
 137             prev_move_val = mv.val;
 138
 139             if(!eng->io_xboard)
 140                 eng->print_moves(&mv,1);
 141
 142             if(eng->io_xboard && !eng->io_san)
 143                 eng->output("move %s\n",eng->board.move_to_coord(MoveStr().data(), mv));
 144             else
 145                 eng->output("move %s\n",eng->board.move_to_alg(MoveStr().data(), mv));
 146             eng->move(mv);
 147
 148             if(!eng->io_xboard)
 149                 eng->print_board();
 150             message=true;
 151         }
 152
 153         if(eng->get_status()!=PLAYING && message)
 154         {
 155             message=false;
 156             eng->output("%s {%s}\n", eng->status==_01?"0-1":
 157                                   eng->status==_10?"1-0":"1/2-1/2",
 158                                   eng->status_string );
 159         }
 160     }
 161 }