2011-06-14 04:19:01 -04:00
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/************************************************************************
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* *
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* Star Traders: A Game of Interstellar Trading *
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* Copyright (C) 1990-2011, John Zaitseff *
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* *
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************************************************************************/
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/*
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2011-06-14 09:01:15 -04:00
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Author: John Zaitseff <J.Zaitseff@zap.org.au>
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2011-06-14 04:19:01 -04:00
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$Id$
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Star Traders is a simple game of interstellar trading, where the object
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of the game is to create companies, buy and sell shares, borrow and
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repay money, in order to become the wealthiest player (the winner).
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2011-06-14 07:59:48 -04:00
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This file, trader.c, contains the main program for Star Traders.
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2011-06-14 04:19:01 -04:00
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This program is free software: you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation, either version 3 of the License, or (at your
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option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see http://www.gnu.org/licenses/.
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*/
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2011-06-14 09:02:16 -04:00
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2011-06-14 09:19:58 -04:00
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#include "trader.h"
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2011-06-28 23:15:26 -04:00
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/************************************************************************
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* Internal function declarations *
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************************************************************************/
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int main (int argc, char *argv[]);
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2011-07-04 01:45:03 -04:00
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void process_cmdline (int argc, char *argv[]);
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void show_version (void) __attribute__((noreturn));
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void show_usage (int status) __attribute__((noreturn));
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void init_program (void);
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void end_program (void);
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2011-06-28 23:15:26 -04:00
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2011-06-14 09:02:16 -04:00
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/************************************************************************
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* Main program *
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************************************************************************/
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int main (int argc, char *argv[])
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{
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2011-06-15 08:34:28 -04:00
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init_program_name(argv);
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2011-07-02 00:23:35 -04:00
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// Initialise the locale
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if (setlocale(LC_ALL, "") == NULL) {
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err_exit("could not set locale (check LANG, LC_ALL and LANGUAGE in environment)");
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}
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2011-06-30 06:31:19 -04:00
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2011-06-28 23:15:26 -04:00
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// Process command line arguments
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process_cmdline(argc, argv);
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2011-07-04 01:45:03 -04:00
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// Set up the display, internal low-level routines, etc.
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init_program();
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2011-06-28 23:15:26 -04:00
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2011-07-04 01:45:03 -04:00
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// Play the actual game
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init_game();
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2011-07-14 01:11:53 -04:00
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while (! quit_selected && ! abort_game && turn_number <= max_turn) {
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2011-07-18 06:16:24 -04:00
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selection_t selection;
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2011-07-18 02:22:24 -04:00
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2011-07-04 01:45:03 -04:00
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select_moves();
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2011-07-18 02:22:24 -04:00
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selection = get_move();
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process_move(selection);
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2011-07-04 01:45:03 -04:00
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exchange_stock();
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next_player();
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2011-06-30 06:31:19 -04:00
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}
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2011-07-04 01:45:03 -04:00
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end_game();
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2011-06-30 06:31:19 -04:00
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2011-07-04 01:45:03 -04:00
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// Finish up...
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end_program();
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2011-06-14 09:02:16 -04:00
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return EXIT_SUCCESS;
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}
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2011-06-28 23:15:26 -04:00
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/************************************************************************
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* Command line processing *
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************************************************************************/
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/* Constants for command line options */
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2011-07-14 06:19:04 -04:00
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enum options_char {
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OPTION_NO_COLOR = 1,
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};
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2011-06-30 01:25:30 -04:00
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static const char options_short[] = "hV";
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/* -h --help
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-V --version
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2011-06-28 23:15:26 -04:00
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*/
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static struct option const options_long[] = {
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2011-07-14 06:19:04 -04:00
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{ "help", no_argument, NULL, 'h' },
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{ "version", no_argument, NULL, 'V' },
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{ "no-color", no_argument, NULL, OPTION_NO_COLOR },
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{ "no-colour", no_argument, NULL, OPTION_NO_COLOR },
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{ NULL, 0, NULL, 0 }
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2011-06-28 23:15:26 -04:00
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};
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/*-----------------------------------------------------------------------
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Function: process_cmdline - Process command line arguments
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Arguments: argc - Same as passed to main()
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argv - Same as passed to main()
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Returns: (nothing)
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This function processes the command line arguments passed through argc
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and argv, setting global variables as appropriate.
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*/
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2011-07-04 01:45:03 -04:00
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void process_cmdline (int argc, char *argv[])
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2011-06-28 23:15:26 -04:00
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{
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int c;
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// Process arguments starting with "-" or "--"
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2011-06-30 07:11:36 -04:00
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opterr = true;
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while (true) {
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2011-06-28 23:15:26 -04:00
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c = getopt_long(argc, argv, options_short, options_long, NULL);
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if (c == EOF)
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break;
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switch (c) {
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case 'h':
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2011-07-14 06:19:04 -04:00
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// -h, --help: show help
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2011-06-28 23:15:26 -04:00
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show_usage(EXIT_SUCCESS);
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2011-07-14 06:19:04 -04:00
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break;
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2011-06-28 23:15:26 -04:00
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case 'V':
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2011-07-14 06:19:04 -04:00
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// -V, --version: show version information
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2011-06-28 23:15:26 -04:00
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show_version();
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2011-07-14 06:19:04 -04:00
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break;
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case OPTION_NO_COLOR:
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// --no-color, --no-colour: don't use colour
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option_no_color = true;
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break;
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2011-06-28 23:15:26 -04:00
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default:
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show_usage(EXIT_FAILURE);
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}
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}
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// Process remaining arguments
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if ((optind < argc) && (argv[optind] != NULL)) {
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2011-06-30 01:25:30 -04:00
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if (argv[optind][0] == '-') {
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2011-07-01 20:01:37 -04:00
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fprintf(stderr, "%s: invalid operand `%s'\n", program_name(),
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2011-06-30 01:25:30 -04:00
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argv[optind]);
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show_usage(EXIT_FAILURE);
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}
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2011-07-04 01:45:03 -04:00
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if ((strlen(argv[optind]) == 1) &&
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(*argv[optind] >= '1') && (*argv[optind] <= '9')) {
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2011-07-03 20:28:50 -04:00
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game_num = *argv[optind] - '0';
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} else {
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2011-07-01 20:01:37 -04:00
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fprintf(stderr, "%s: invalid game number `%s'\n",
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2011-07-01 19:39:23 -04:00
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program_name(), argv[optind]);
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show_usage(EXIT_FAILURE);
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}
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2011-06-30 01:25:30 -04:00
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optind++;
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}
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if ((optind < argc) && (argv[optind] != NULL)) {
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2011-07-01 20:01:37 -04:00
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fprintf(stderr, "%s: extra operand `%s'\n", program_name(),
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2011-06-30 01:25:30 -04:00
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argv[optind]);
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show_usage(EXIT_FAILURE);
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2011-06-28 23:15:26 -04:00
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}
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}
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/*-----------------------------------------------------------------------
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Function: show_version - Show program version information
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Arguments: (none)
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Returns: (nothing)
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This function displays version information about this program, then
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terminates.
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*/
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2011-07-04 01:45:03 -04:00
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void show_version (void)
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2011-06-28 23:15:26 -04:00
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{
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2011-07-01 20:01:37 -04:00
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printf("\
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2011-06-28 23:15:26 -04:00
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" PACKAGE_NAME " (%s) %s\n\
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Copyright (C) %s, John Zaitseff.\n\
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\n\
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Star Traders is a simple game of interstellar trading, where the object\n\
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of the game is to create companies, buy and sell shares, borrow and repay\n\
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money, in order to become the wealthiest player (the winner).\n\
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\n\
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This program is free software that is distributed under the terms of the\n\
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GNU General Public License, version 3 or later. You are welcome to\n\
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modify and/or distribute it under certain conditions. This program has\n\
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NO WARRANTY, to the extent permitted by law; see the License for details.\n\
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2011-07-01 20:01:37 -04:00
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", program_name(), PACKAGE_VERSION, "1990-2011");
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2011-06-28 23:15:26 -04:00
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exit(EXIT_SUCCESS);
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}
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/*-----------------------------------------------------------------------
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Function: show_usage - Show command line usage information
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Arguments: status - Exit status
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Returns: (nothing)
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This function displays usage information to standard output or standard
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error, then terminates.
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*/
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2011-07-04 01:45:03 -04:00
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void show_usage (int status)
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2011-06-28 23:15:26 -04:00
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{
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2011-07-01 20:01:37 -04:00
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const char *pn = program_name();
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2011-06-28 23:15:26 -04:00
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if (status != EXIT_SUCCESS) {
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2011-07-01 20:01:37 -04:00
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fprintf(stderr, "%s: Try `%s --help' for more information.\n",
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pn, pn);
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2011-06-28 23:15:26 -04:00
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} else {
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2011-07-01 20:01:37 -04:00
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printf("Usage: %s [OPTION ...] [GAME]\n", pn);
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printf("\
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2011-06-28 23:15:26 -04:00
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Play Star Traders, a simple game of interstellar trading.\n\n\
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2011-07-01 20:01:37 -04:00
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");
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printf("\
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2011-06-28 23:15:26 -04:00
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Options:\n\
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2011-07-14 06:19:04 -04:00
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-V, --version output version information and exit\n\
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-h, --help display this help and exit\n\
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--no-color don't use colour for displaying text\n\n\
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2011-07-01 20:01:37 -04:00
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");
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printf("\
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2011-06-28 23:15:26 -04:00
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If GAME is specified as a number between 1 and 9, load and continue\n\
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playing that game. If GAME is not specified, start a new game.\n\n\
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2011-07-01 20:01:37 -04:00
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");
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2011-06-28 23:15:26 -04:00
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#ifdef PACKAGE_AUTHOR
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2011-07-01 20:01:37 -04:00
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printf("Report bugs to %s <%s>.\n", PACKAGE_AUTHOR, PACKAGE_BUGREPORT);
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2011-06-28 23:15:26 -04:00
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#else
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2011-07-01 20:01:37 -04:00
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printf("Report bugs to <%s>.\n", PACKAGE_BUGREPORT);
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2011-06-28 23:15:26 -04:00
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#endif
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#ifdef PACKAGE_PACKAGER_BUG_REPORTS
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2011-07-01 20:01:37 -04:00
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printf("Report %s bugs to <%s>.\n", PACKAGE_PACKAGER, PACKAGE_PACKAGER_BUG_REPORTS);
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2011-06-28 23:15:26 -04:00
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#endif
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#ifdef PACKAGE_URL
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2011-07-02 07:19:51 -04:00
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printf(PACKAGE_NAME " home page: <%s>.\n", PACKAGE_URL);
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2011-06-28 23:15:26 -04:00
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#endif
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}
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exit(status);
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}
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2011-07-04 01:45:03 -04:00
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/************************************************************************
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* Initialisation and deinitialisation function definitions *
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************************************************************************/
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/*-----------------------------------------------------------------------
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Function: init_program - Initialise program-wide functions
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Arguments: (none)
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Returns: (nothing)
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This function initialises the terminal display, internal low-level
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routines, etc.
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*/
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void init_program (void)
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{
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// Initialise the random number generator
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2011-07-04 03:13:29 -04:00
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init_rand();
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2011-07-04 01:45:03 -04:00
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// Initialise signal-handling functions
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2011-07-11 02:14:07 -04:00
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// @@@ To be completed
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2011-07-19 05:09:59 -04:00
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// Initialise the terminal display
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init_screen();
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2011-07-04 01:45:03 -04:00
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}
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/*-----------------------------------------------------------------------
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Function: end_program - Deinitialise program-wide functions
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Arguments: (none)
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Returns: (nothing)
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This function finalises the terminal display, internal low-level
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routines, etc.
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*/
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void end_program (void)
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{
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end_screen();
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}
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