terminal-chess: src/main.c@f7dfef88947d

     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 <string.h>

    32 #include <time.h>

    33 #include <ncurses.h>

    35 int get_settings(int argc, char **argv, Settings *settings) {

    36     char *valid;

    37     unsigned long int time, port;

    38     uint8_t timeunit = 60;

    39     size_t len;

    41     for (char opt ; (opt = getopt(argc, argv, "a:bhp:rt:")) != -1 ;) {

    42         switch (opt) {

    43         case 'b':

    44             settings->gameinfo.servercolor = BLACK;

    45             break;

    46         case 'r':

    47             settings->gameinfo.servercolor = (rand()>>5) & 1 ? WHITE : BLACK;

    48             break;

    49         case 't':

    50         case 'a':

    51             len = strlen(optarg);

    52             if (optarg[len-1] == 's') {

    53                 optarg[len-1] = '\0';

    54                 timeunit = 1;

    55             }

    57             if ((time = strtoul(optarg, &valid, 10)) > TIME_MAX

    58                 || *valid != '\0') {

    59                 fprintf(stderr, "Specified time is invalid (%s)\n", optarg);

    60                 return 1;

    61             } else {

    62                 if (opt=='t') {

    63                     settings->gameinfo.time = timeunit * time;

    64                 } else {

    65                     settings->gameinfo.addtime = time;

    66                 }

    67             }

    68             break;

    69         case 'p':

    70             port = strtol(optarg, &valid, 10);

    71             if (port < 1025 || port > 65535 || *valid != '\0') {

    72                 fprintf(stderr,

    73                     "Invalid port number (%s) - choose a number between "

    74                     "1025 and 65535\n",

    75                     optarg);

    76                 return 1;

    77             } else {

    78                 settings->port = optarg;

    79             }

    80             break;

    81         case 'h':

    82         case '?':

    83             settings->printhelp = 1;

    84             break;

    85         }

    86     }

    88     if (optind == argc - 1) {

    89         settings->serverhost = argv[optind];

    90     } else if (optind < argc - 1) {

    91         fprintf(stderr, "Too many arguments\n");

    92         return 1;

    93     }

    95     return 0;

    96 }

    98 Settings default_settings() {

    99     Settings settings;

   100     memset(&settings, 0, sizeof(Settings));

   101     settings.gameinfo.servercolor = WHITE;

   102     settings.port = "27015";

   103     return settings;

   104 }

   106 void dump_gameinfo(Gameinfo *gameinfo) {

   107     int serverwhite = gameinfo->servercolor == WHITE;

   108     attron(A_UNDERLINE);

   109     printw("Game details\n");

   110     attroff(A_UNDERLINE);

   111     printw("  Server:     %s\n  Client:     %s\n",

   112         serverwhite?"white":"black", serverwhite?"black":"White"

   113     );

   114     if (gameinfo->time > 0) {

   115         if (gameinfo->time % 60) {

   116             printw("  Time limit: %ds + %ds\n",

   117                 gameinfo->time, gameinfo->addtime);

   118         } else {

   119             printw("  Time limit: %dm + %ds\n",

   120                 gameinfo->time/60, gameinfo->addtime);

   121         }

   122     } else {

   123         printw("  No time limit\n");

   124     }

   125     refresh();

   126 }

   128 static WINDOW* window;

   130 void leavescr() {

   131     mvprintw(getmaxy(window)-1, 0, "Leaving terminal-chess. Press any key...");

   132     getch();

   133     endwin();

   134 }

   136 int main(int argc, char **argv) {

   137     srand(time(NULL));

   139     Settings settings = default_settings();

   140     if (get_settings(argc, argv, &settings)) {

   141         return 1;

   142     }

   144     if (settings.printhelp) {

   145         printf(

   146             "Usage: terminal-chess [OPTION]... [HOST]\n"

   147             "Starts/joins a network chess game\n"

   148             "\nGeneral options\n"

   149             "  -h            This help page\n"

   150             "  -p            TCP port to use (default: 27015)\n"

   151             "\nServer options\n"

   152             "  -a <time>     Specifies the time to add after each move\n"

   153             "  -b            Server plays black pieces (default: white)\n"

   154             "  -r            Distribute color randomly\n"

   155             "  -t <time>     Specifies time limit (default: no limit)\n"

   156             "\nNotes\n"

   157             "White pieces are displayed as uppercase and black pieces as "

   158             "lowercase letters.\n"

   159             "The time unit for -a is seconds and for -t minutes by default. To "

   160             "specify\nseconds for the -t option, use the s suffix.\n"

   161             "Example: -t 150s\n"

   162         );

   163         return EXIT_SUCCESS;

   164     }

   166     window = initscr();

   167     cbreak();

   168     atexit(leavescr);

   170     return is_server(&settings) ? server_run(&settings) : client_run(&settings);

   171 }

Mercurial > hg > terminal-chess / file revision