Mon, 16 Jun 2014 13:45:31 +0200
added pgn parser and writer (without comment support yet) + minor refactorings
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:rsS:t:")) != -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 'S':
59 settings->analyzepgn = optarg;
60 break;
61 case 't':
62 case 'a':
63 len = strlen(optarg);
64 if (optarg[len-1] == 's') {
65 optarg[len-1] = '\0';
66 timeunit = 1;
67 }
69 if ((time = strtoul(optarg, &valid, 10))*timeunit > UINT16_MAX
70 || *valid != '\0') {
71 fprintf(stderr, "Specified time is invalid (%s)"
72 "- Maximum: 65535 seconds (1092 minutes)\n", optarg);
73 return 1;
74 } else {
75 settings->gameinfo.timecontrol = 1;
76 if (opt=='t') {
77 settings->gameinfo.time = timeunit * time;
78 } else {
79 settings->gameinfo.addtime = time;
80 }
81 }
82 break;
83 case 'p':
84 port = strtol(optarg, &valid, 10);
85 if (port < 1025 || port > 65535 || *valid != '\0') {
86 fprintf(stderr,
87 "Invalid port number (%s) - choose a number between "
88 "1025 and 65535\n",
89 optarg);
90 return 1;
91 } else {
92 settings->port = optarg;
93 }
94 break;
95 case 'h':
96 case '?':
97 settings->printhelp = 1;
98 break;
99 }
100 }
102 if (optind == argc - 1) {
103 settings->serverhost = argv[optind];
104 } else if (optind < argc - 1) {
105 fprintf(stderr, "Too many arguments\n");
106 return 1;
107 }
110 if (settings->continuepgn) {
111 if (settings->serverhost) {
112 fprintf(stderr, "Can't continue a game when joining a server.\n");
113 return 1;
114 }
115 if (settings->analyzepgn) {
116 fprintf(stderr, "The options -c and -S are mutually exclusive\n");
117 return 1;
118 }
119 // TODO: implement
120 if (!settings->singlemachine) {
121 fprintf(stderr, "Game continuation currently not supported for "
122 "network games.\n");
123 return 1;
124 }
125 }
127 return 0;
128 }
130 Settings default_settings() {
131 Settings settings;
132 memset(&settings, 0, sizeof(Settings));
133 settings.gameinfo.servercolor = WHITE;
134 settings.port = "27015";
135 return settings;
136 }
138 void dump_gameinfo(GameInfo *gameinfo) {
139 int serverwhite = gameinfo->servercolor == WHITE;
140 attron(A_UNDERLINE);
141 printw("Game details\n");
142 attroff(A_UNDERLINE);
143 printw(" Server: %s\n Client: %s\n",
144 serverwhite?"White":"Black", serverwhite?"Black":"White"
145 );
146 if (gameinfo->timecontrol) {
147 if (gameinfo->time % 60) {
148 printw(" Time limit: %ds + %ds\n",
149 gameinfo->time, gameinfo->addtime);
150 } else {
151 printw(" Time limit: %dm + %ds\n",
152 gameinfo->time/60, gameinfo->addtime);
153 }
154 } else {
155 printw(" No time limit\n");
156 }
157 refresh();
158 }
160 void leavescr() {
161 endwin();
162 }
164 int main(int argc, char **argv) {
165 srand(time(NULL));
167 Settings settings = default_settings();
168 if (get_settings(argc, argv, &settings)) {
169 return 1;
170 }
172 if (settings.printhelp) {
173 printf(
174 "Usage: terminal-chess [OPTION]... [HOST]\n"
175 "Starts/joins a network chess game\n"
176 "\nGeneral options\n"
177 " -c <PGN file> Continue the specified game\n"
178 " -h This help page\n"
179 " -p TCP port to use (default: 27015)\n"
180 // TODO: implement and activate feature
181 //" -S <PGN file> Compute and print statistics for the specified game\n"
182 "\nServer options\n"
183 " -a <time> Specifies the time to add after each move\n"
184 " -b Server plays black pieces (default: white)\n"
185 " -r Distribute color randomly\n"
186 " -s Single machine mode\n"
187 " -t <time> Specifies time limit (default: no limit)\n"
188 "\nNotes\n"
189 "The time unit for -a is seconds and for -t minutes by default. To "
190 "specify\nseconds for the -t option, use the s suffix.\n"
191 "Example: -t 150s\n\n"
192 "Use '-' for PGN files to read PGN data from standard input\n"
193 );
194 return EXIT_SUCCESS;
195 }
196 initscr();
197 halfdelay(1);
198 keypad(stdscr, TRUE);
199 if (has_colors()) {
200 start_color();
201 init_colorpairs();
202 bkgd(COLOR_PAIR(COL_APP));
203 } else {
204 fprintf(stderr, "Non-colored terminals are not supported yet.");
205 endwin();
206 return EXIT_FAILURE;
207 }
208 atexit(leavescr);
210 int exitcode;
211 if (settings.singlemachine) {
212 game_start_singlemachine(&settings);
213 exitcode = EXIT_SUCCESS;
214 } else if (settings.analyzepgn) {
215 printw("Not implemented yet.\n");
216 exitcode = EXIT_SUCCESS;
217 } else {
218 exitcode = is_server(&settings) ?
219 server_run(&settings) : client_run(&settings);
220 }
222 mvaddstr(getmaxy(stdscr)-1, 0,
223 "Game has ended. Press any key to leave...");
224 clrtoeol();
225 refresh();
226 cbreak();
227 flushinp();
228 getch();
230 return exitcode;
231 }