src/main.c

Wed, 28 May 2014 15:47:57 +0200

author
Mike Becker <universe@uap-core.de>
date
Wed, 28 May 2014 15:47:57 +0200
changeset 47
d726e4b46c33
parent 46
4dcfb4c58b6d
child 50
41017d0a72c5
permissions
-rw-r--r--

refactoring of getlocation mechanism for better short algebraic notation support (does now respect pinned pieces) + fixed a bug where a pawn could advance through a piece (e.g. e2e4 could jump over a piece on e3)

     1 /*
     2  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
     3  *
     4  * Copyright 2014 Mike Becker. All rights reserved.
     5  *
     6  * Redistribution and use in source and binary forms, with or without
     7  * modification, are permitted provided that the following conditions are met:
     8  *
     9  *   1. Redistributions of source code must retain the above copyright
    10  *      notice, this list of conditions and the following disclaimer.
    11  *
    12  *   2. Redistributions in binary form must reproduce the above copyright
    13  *      notice, this list of conditions and the following disclaimer in the
    14  *      documentation and/or other materials provided with the distribution.
    15  *
    16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
    17  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
    19  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
    20  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
    21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
    22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
    23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
    24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
    25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
    26  * POSSIBILITY OF SUCH DAMAGE.
    27  *
    28  */
    30 #include "terminal-chess.h"
    31 #include "game.h"
    32 #include "input.h"
    33 #include "colors.h"
    34 #include <string.h>
    35 #include <time.h>
    36 #include <getopt.h>
    38 int get_settings(int argc, char **argv, Settings *settings) {
    39     char *valid;
    40     unsigned long int time, port;
    41     uint8_t timeunit = 60;
    42     size_t len;
    44     for (int opt ; (opt = getopt(argc, argv, "a:bc:hp:rst:")) != -1 ;) {
    45         switch (opt) {
    46         case 'c':
    47             settings->continuepgn = optarg;
    48             break;
    49         case 'b':
    50             settings->gameinfo.servercolor = BLACK;
    51             break;
    52         case 'r':
    53             settings->gameinfo.servercolor = rand() & 1 ? WHITE : BLACK;
    54             break;
    55         case 's':
    56             settings->singlemachine = 1;
    57             break;
    58         case 't':
    59         case 'a':
    60             len = strlen(optarg);
    61             if (optarg[len-1] == 's') {
    62                 optarg[len-1] = '\0';
    63                 timeunit = 1;
    64             }
    66             if ((time = strtoul(optarg, &valid, 10))*timeunit > UINT16_MAX
    67                 || *valid != '\0') {
    68                 fprintf(stderr, "Specified time is invalid (%s)"
    69                     "- Maximum: 65535 seconds (1092 minutes)\n", optarg);
    70                 return 1;
    71             } else {
    72                 settings->gameinfo.timecontrol = 1;
    73                 if (opt=='t') {
    74                     settings->gameinfo.time = timeunit * time;
    75                 } else {
    76                     settings->gameinfo.addtime = time;
    77                 }
    78             }
    79             break;
    80         case 'p':
    81             port = strtol(optarg, &valid, 10);
    82             if (port < 1025 || port > 65535 || *valid != '\0') {
    83                 fprintf(stderr,
    84                     "Invalid port number (%s) - choose a number between "
    85                     "1025 and 65535\n",
    86                     optarg);
    87                 return 1;
    88             } else {
    89                 settings->port = optarg;
    90             }
    91             break;
    92         case 'h':
    93         case '?':
    94             settings->printhelp = 1;
    95             break;
    96         }
    97     }
    99     if (optind == argc - 1) {
   100         settings->serverhost = argv[optind];
   101     } else if (optind < argc - 1) {
   102         fprintf(stderr, "Too many arguments\n");
   103         return 1;
   104     }
   106     return 0;
   107 }
   109 Settings default_settings() {
   110     Settings settings;
   111     memset(&settings, 0, sizeof(Settings));
   112     settings.gameinfo.servercolor = WHITE;
   113     settings.port = "27015";
   114     settings.continuepgn = NULL;
   115     return settings;
   116 }
   118 void dump_gameinfo(GameInfo *gameinfo) {
   119     int serverwhite = gameinfo->servercolor == WHITE;
   120     attron(A_UNDERLINE);
   121     printw("Game details\n");
   122     attroff(A_UNDERLINE);
   123     printw("  Server:     %s\n  Client:     %s\n",
   124         serverwhite?"White":"Black", serverwhite?"Black":"White"
   125     );
   126     if (gameinfo->timecontrol) {
   127         if (gameinfo->time % 60) {
   128             printw("  Time limit: %ds + %ds\n",
   129                 gameinfo->time, gameinfo->addtime);
   130         } else {
   131             printw("  Time limit: %dm + %ds\n",
   132                 gameinfo->time/60, gameinfo->addtime);
   133         }
   134     } else {
   135         printw("  No time limit\n");
   136     }
   137     refresh();
   138 }
   140 void leavescr() {
   141     endwin();
   142 }
   144 int main(int argc, char **argv) {
   145     srand(time(NULL));
   147     Settings settings = default_settings();
   148     if (get_settings(argc, argv, &settings)) {
   149         return 1;
   150     }
   152     if (settings.printhelp) {
   153         printf(
   154 "Usage: terminal-chess [OPTION]... [HOST]\n"
   155 "Starts/joins a network chess game\n"
   156 "\nGeneral options\n"
   157 "  -h            This help page\n"
   158 "  -p            TCP port to use (default: 27015)\n"
   159 "\nServer options\n"
   160 "  -a <time>     Specifies the time to add after each move\n"
   161 "  -b            Server plays black pieces (default: white)\n"
   162 // TODO: implement and activate feature
   163 //"  -c <PGN file> Continue the specified game\n"
   164 "  -r            Distribute color randomly\n"
   165 "  -s            Single machine mode\n"
   166 // TODO: implement and activate feature
   167 //"  -S <PGN file> Compute and print statistics for the specified game\n"
   168 "  -t <time>     Specifies time limit (default: no limit)\n"
   169 "\nNotes\n"
   170 "The time unit for -a is seconds and for -t minutes by default. To "
   171 "specify\nseconds for the -t option, use the s suffix.\n"
   172 "Example: -t 150s\n\n"
   173 "Use '-' for PGN files to read PGN data from standard input\n"
   174         );
   175         return EXIT_SUCCESS;
   176     }    
   177     initscr();
   178     halfdelay(1);
   179     keypad(stdscr, TRUE);
   180     if (has_colors()) {
   181         start_color();
   182         init_colorpairs();
   183         bkgd(COLOR_PAIR(COL_APP));
   184     } else {
   185         fprintf(stderr, "Non-colored terminals are not supported yet.");
   186         endwin();
   187         return EXIT_FAILURE;
   188     }
   189     atexit(leavescr);
   191     int exitcode;
   192     if (settings.singlemachine) {
   193         game_start_singlemachine(&settings);
   194         exitcode = EXIT_SUCCESS;
   195     } else {
   196         exitcode = is_server(&settings) ?
   197             server_run(&settings) : client_run(&settings);
   198     }
   200     mvaddstr(getmaxy(stdscr)-1, 0,
   201         "Game has ended. Press any key to leave...");
   202     refresh();
   203     cbreak();
   204     flushinp();
   205     getch();
   207     return exitcode;
   208 }

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