terminal-chess: src/main.c@84f2e380a434 (annotated)

src/main.c@84f2e380a434 (annotated)

src/main.c

Mon, 16 Jun 2014 15:41:06 +0200

author: Mike Becker <universe@uap-core.de>
date: Mon, 16 Jun 2014 15:41:06 +0200
changeset 51: 84f2e380a434
parent 50: 41017d0a72c5
child 52: 26707039d5a6
permissions: -rw-r--r--

added support for game continuation over network + fixed major bug in checkmate anticipation when the king is attacked diagonally

 /*
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
  *
  * Copyright 2014 Mike Becker. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  *   1. Redistributions of source code must retain the above copyright
  *      notice, this list of conditions and the following disclaimer.
  *
  *   2. Redistributions in binary form must reproduce the above copyright
  *      notice, this list of conditions and the following disclaimer in the
  *      documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGE.
  *
  */
 #include "terminal-chess.h"
 #include "game.h"
 #include "input.h"
 #include "colors.h"
 #include <string.h>
 #include <time.h>
 #include <getopt.h>
 int get_settings(int argc, char **argv, Settings *settings) {
     char *valid;
     unsigned long int time, port;
     uint8_t timeunit = 60;
     size_t len;
     for (int opt ; (opt = getopt(argc, argv, "a:bc:hp:rsS:t:")) != -1 ;) {
         switch (opt) {
         case 'c':
             settings->continuepgn = optarg;
             break;
         case 'b':
             settings->gameinfo.servercolor = BLACK;
             break;
         case 'r':
             settings->gameinfo.servercolor = rand() & 1 ? WHITE : BLACK;
             break;
         case 's':
             settings->singlemachine = 1;
             break;
         case 'S':
             settings->analyzepgn = optarg;
             break;
         case 't':
         case 'a':
             len = strlen(optarg);
             if (optarg[len-1] == 's') {
                 optarg[len-1] = '\0';
                 timeunit = 1;
             }
             if ((time = strtoul(optarg, &valid, 10))*timeunit > UINT16_MAX
                 || *valid != '\0') {
                 fprintf(stderr, "Specified time is invalid (%s)"
                     "- Maximum: 65535 seconds (1092 minutes)\n", optarg);
                 return 1;
             } else {
                 settings->gameinfo.timecontrol = 1;
                 if (opt=='t') {
                     settings->gameinfo.time = timeunit * time;
                 } else {
                     settings->gameinfo.addtime = time;
                 }
             }
             break;
         case 'p':
             port = strtol(optarg, &valid, 10);
             if (port < 1025 || port > 65535 || *valid != '\0') {
                 fprintf(stderr,
                     "Invalid port number (%s) - choose a number between "
                     "1025 and 65535\n",
                     optarg);
                 return 1;
             } else {
                 settings->port = optarg;
             }
             break;
         case 'h':
         case '?':
             settings->printhelp = 1;
             break;
         }
     }
     if (optind == argc - 1) {
         settings->serverhost = argv[optind];
     } else if (optind < argc - 1) {
         fprintf(stderr, "Too many arguments\n");
         return 1;
     }
     if (settings->continuepgn) {
         if (settings->serverhost) {
             fprintf(stderr, "Can't continue a game when joining a server.\n");
             return 1;
         }
         if (settings->analyzepgn) {
             fprintf(stderr, "The options -c and -S are mutually exclusive\n");
             return 1;
         }
     }
     return 0;
 }
 Settings default_settings() {
     Settings settings;
     memset(&settings, 0, sizeof(Settings));
     settings.gameinfo.servercolor = WHITE;
     settings.port = "27015";
     return settings;
 }
 void dump_gameinfo(GameInfo *gameinfo) {
     int serverwhite = gameinfo->servercolor == WHITE;
     attron(A_UNDERLINE);
     printw("Game details\n");
     attroff(A_UNDERLINE);
     printw("  Server:     %s\n  Client:     %s\n",
         serverwhite?"White":"Black", serverwhite?"Black":"White"
     );
     if (gameinfo->timecontrol) {
         if (gameinfo->time % 60) {
             printw("  Time limit: %ds + %ds\n",
                 gameinfo->time, gameinfo->addtime);
         } else {
             printw("  Time limit: %dm + %ds\n",
                 gameinfo->time/60, gameinfo->addtime);
         }
     } else {
         printw("  No time limit\n");
     }
     refresh();
 }
 void dump_moveinfo(GameState *gamestate) {
     int i = 1;
     for (MoveList *movelist = gamestate->movelist ;
         movelist ; movelist = movelist->next) {
         if (++i % 2 == 0) {
             printw("%d. %s", i/2, movelist->move.string);
         } else {
             printw(" %s", movelist->move.string);
         }
         if (i % 20)  {
             addch(' ');
         } else {
             addch('\n');
         }
     }
     refresh();
 }
 void leavescr() {
     endwin();
 }
 int main(int argc, char **argv) {
     srand(time(NULL));
     Settings settings = default_settings();
     if (get_settings(argc, argv, &settings)) {
         return 1;
     }
     if (settings.printhelp) {
         printf(
 "Usage: terminal-chess [OPTION]... [HOST]\n"
 "Starts/joins a network chess game\n"
 "\nGeneral options\n"
 "  -c <PGN file> Continue the specified game\n"
 "  -h            This help page\n"
 "  -p            TCP port to use (default: 27015)\n"
 // TODO: implement and activate feature
 //"  -S <PGN file> Compute and print statistics for the specified game\n"
 "\nServer options\n"
 "  -a <time>     Specifies the time to add after each move\n"
 "  -b            Server plays black pieces (default: white)\n"
 "  -r            Distribute color randomly\n"
 "  -s            Single machine mode\n"
 "  -t <time>     Specifies time limit (default: no limit)\n"
 "\nNotes\n"
 "The time unit for -a is seconds and for -t minutes by default. To "
 "specify\nseconds for the -t option, use the s suffix.\n"
 "Example: -t 150s\n\n"
 "Use '-' for PGN files to read PGN data from standard input\n"
         );
         return EXIT_SUCCESS;
     }
     initscr();
     halfdelay(1);
     keypad(stdscr, TRUE);
     if (has_colors()) {
         start_color();
         init_colorpairs();
         bkgd(COLOR_PAIR(COL_APP));
     } else {
         fprintf(stderr, "Non-colored terminals are not supported yet.");
         endwin();
         return EXIT_FAILURE;
     }
     atexit(leavescr);
     int exitcode;
     if (settings.singlemachine) {
         game_start_singlemachine(&settings);
         exitcode = EXIT_SUCCESS;
     } else if (settings.analyzepgn) {
         printw("Not implemented yet.\n");
         exitcode = EXIT_SUCCESS;
     } else {
         exitcode = is_server(&settings) ?
             server_run(&settings) : client_run(&settings);
     }
     mvaddstr(getmaxy(stdscr)-1, 0,
         "Game has ended. Press any key to leave...");
     clrtoeol();
     refresh();
     cbreak();
     flushinp();
     getch();
     return exitcode;
 }

Mercurial > hg > terminal-chess / annotate

src/main.c@84f2e380a434 (annotated)

src/main.c