Mon, 16 Jun 2014 15:41:06 +0200
added support for game continuation over network + fixed major bug in checkmate anticipation when the king is attacked diagonally
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 }
121 return 0;
122 }
124 Settings default_settings() {
125 Settings settings;
126 memset(&settings, 0, sizeof(Settings));
127 settings.gameinfo.servercolor = WHITE;
128 settings.port = "27015";
129 return settings;
130 }
132 void dump_gameinfo(GameInfo *gameinfo) {
133 int serverwhite = gameinfo->servercolor == WHITE;
134 attron(A_UNDERLINE);
135 printw("Game details\n");
136 attroff(A_UNDERLINE);
137 printw(" Server: %s\n Client: %s\n",
138 serverwhite?"White":"Black", serverwhite?"Black":"White"
139 );
140 if (gameinfo->timecontrol) {
141 if (gameinfo->time % 60) {
142 printw(" Time limit: %ds + %ds\n",
143 gameinfo->time, gameinfo->addtime);
144 } else {
145 printw(" Time limit: %dm + %ds\n",
146 gameinfo->time/60, gameinfo->addtime);
147 }
148 } else {
149 printw(" No time limit\n");
150 }
151 refresh();
152 }
154 void dump_moveinfo(GameState *gamestate) {
155 int i = 1;
156 for (MoveList *movelist = gamestate->movelist ;
157 movelist ; movelist = movelist->next) {
158 if (++i % 2 == 0) {
159 printw("%d. %s", i/2, movelist->move.string);
160 } else {
161 printw(" %s", movelist->move.string);
162 }
163 if (i % 20) {
164 addch(' ');
165 } else {
166 addch('\n');
167 }
168 }
169 refresh();
170 }
172 void leavescr() {
173 endwin();
174 }
176 int main(int argc, char **argv) {
177 srand(time(NULL));
179 Settings settings = default_settings();
180 if (get_settings(argc, argv, &settings)) {
181 return 1;
182 }
184 if (settings.printhelp) {
185 printf(
186 "Usage: terminal-chess [OPTION]... [HOST]\n"
187 "Starts/joins a network chess game\n"
188 "\nGeneral options\n"
189 " -c <PGN file> Continue the specified game\n"
190 " -h This help page\n"
191 " -p TCP port to use (default: 27015)\n"
192 // TODO: implement and activate feature
193 //" -S <PGN file> Compute and print statistics for the specified game\n"
194 "\nServer options\n"
195 " -a <time> Specifies the time to add after each move\n"
196 " -b Server plays black pieces (default: white)\n"
197 " -r Distribute color randomly\n"
198 " -s Single machine mode\n"
199 " -t <time> Specifies time limit (default: no limit)\n"
200 "\nNotes\n"
201 "The time unit for -a is seconds and for -t minutes by default. To "
202 "specify\nseconds for the -t option, use the s suffix.\n"
203 "Example: -t 150s\n\n"
204 "Use '-' for PGN files to read PGN data from standard input\n"
205 );
206 return EXIT_SUCCESS;
207 }
208 initscr();
209 halfdelay(1);
210 keypad(stdscr, TRUE);
211 if (has_colors()) {
212 start_color();
213 init_colorpairs();
214 bkgd(COLOR_PAIR(COL_APP));
215 } else {
216 fprintf(stderr, "Non-colored terminals are not supported yet.");
217 endwin();
218 return EXIT_FAILURE;
219 }
220 atexit(leavescr);
222 int exitcode;
223 if (settings.singlemachine) {
224 game_start_singlemachine(&settings);
225 exitcode = EXIT_SUCCESS;
226 } else if (settings.analyzepgn) {
227 printw("Not implemented yet.\n");
228 exitcode = EXIT_SUCCESS;
229 } else {
230 exitcode = is_server(&settings) ?
231 server_run(&settings) : client_run(&settings);
232 }
234 mvaddstr(getmaxy(stdscr)-1, 0,
235 "Game has ended. Press any key to leave...");
236 clrtoeol();
237 refresh();
238 cbreak();
239 flushinp();
240 getch();
242 return exitcode;
243 }