2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2009, Dave Pare, Jeff Bailey, Thomas Ruschak,
4 * Ken Stevens, Steve McClure
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 * See files README, COPYING and CREDITS in the root of the source
23 * tree for related information and legal notices. It is expected
24 * that future projects/authors will amend these files as needed.
28 * empdis.c: Empire dispatcher stuff
30 * Known contributors to this file:
33 * Markus Armbruster, 2006-2009
34 * Ron Koenderink, 2004-2009
51 #include "prototypes.h"
54 #define KEEP_COMMANDS 50
56 /* ring buffer of most recent command prompts and commands, user text */
57 static char player_commands[KEEP_COMMANDS][1024 + 8];
59 /* the slot holding the most recent command in player_commands[] */
60 static int player_commands_index = 0;
62 static void disable_coms(void);
65 * Get a command from the current player into COMBUFP[1024], in UTF-8.
66 * This may block for input, yielding the processor. Flush buffered
67 * output when blocking, to make sure player sees the prompt.
68 * Return command's byte length on success, -1 on error.
71 getcommand(char *combufp)
73 struct natstr *natp = getnatp(player->cnum);
74 char buf[1024]; /* user text */
76 if (++player_commands_index >= KEEP_COMMANDS)
77 player_commands_index = 0;
78 sprintf(player_commands[player_commands_index], "%3d %3d [prompt]",
79 player_commands_index, player->cnum);
82 prprompt(natp->nat_timeused / 60, natp->nat_btu);
84 if (recvclient(buf, 1024) < 0) {
87 } while (buf[0] == 0);
89 if (++player_commands_index >= KEEP_COMMANDS)
90 player_commands_index = 0;
91 sprintf(player_commands[player_commands_index], "%3d %3d %s",
92 player_commands_index, player->cnum, buf);
94 if (player->flags & PF_UTF8)
95 return copy_utf8_no_funny(combufp, buf);
96 return copy_ascii_no_funny(combufp, buf);
100 init_player_commands(void)
104 for (i = 0; i < KEEP_COMMANDS; ++i)
105 *player_commands[i] = 0;
111 log_last_commands(void)
115 logerror("Most recent player commands:");
116 for (i = player_commands_index; i >= 0; --i)
117 if (*player_commands[i])
118 logerror("%s", player_commands[i] + 4);
119 for (i = KEEP_COMMANDS - 1; i > player_commands_index; --i)
120 if (*player_commands[i])
121 logerror("%s", player_commands[i] + 4);
130 pr("\t\tCurrent EMPIRE Command List\n"
131 "\t\t------- ------ ------- ----\n"
132 "Initial number is cost in B.T.U. units.\n"
133 "Next 2 chars (if present) are:\n"
134 "$ - must be non-broke\tc -- must have capital\n"
135 "Args in [brackets] are optional.\n"
136 "All-caps args in <angle brackets>"
137 " have the following meanings:\n"
138 /* FIXME incomplete */
139 " <NUM> :: a number in unspecified units\n"
140 " <COMM> :: a commodity such as `food', `guns', etc\n"
141 " <TYPE> :: an item type such as `ship', `plane', etc\n");
142 for (i = 0; (format = player_coms[i].c_form) != 0; i++) {
143 if ((player_coms[i].c_permit & player->nstat)
144 == player_coms[i].c_permit) {
145 pr("%2d ", player_coms[i].c_cost);
146 if ((player_coms[i].c_permit & MONEY) == MONEY)
150 if ((player_coms[i].c_permit & CAP) == CAP)
157 pr("For further info on command syntax see \"info Syntax\".\n");
164 char *tmp = strdup(disabled_commands);
168 for (name = strtok(tmp, " \t"); name; name = strtok(NULL, " \t")) {
169 cmd = comtch(name, player_coms, -1);
171 logerror("Warning: not disabling %s command %s\n",
172 cmd == M_NOTUNIQUE ? "ambiguous" : "unknown", name);
175 player_coms[cmd].c_permit |= GOD;
182 seconds_since_midnight(time_t time)
184 struct tm *tm = localtime(&time);
190 return time - mktime(tm);
194 update_timeused_login(time_t now)
196 struct natstr *natp = getnatp(player->cnum);
197 time_t midnight_secs = seconds_since_midnight(now);
199 if (now - natp->nat_last_logout > midnight_secs) {
200 natp->nat_timeused = 0;
203 player->lasttime = now;
207 update_timeused(time_t now)
209 struct natstr *natp = getnatp(player->cnum);
210 time_t midnight_secs = seconds_since_midnight(now);
211 time_t dt = now - player->lasttime;
213 if (dt > midnight_secs)
214 natp->nat_timeused = midnight_secs;
216 natp->nat_timeused += dt;
217 player->lasttime = now;
222 enforce_minimum_session_time(void)
224 struct natstr *natp = getnatp(player->cnum);
226 time_t dt = natp->nat_last_logout - natp->nat_last_login;
227 if (dt > seconds_since_midnight(natp->nat_last_logout))
228 dt = seconds_since_midnight(natp->nat_last_logout);
230 natp->nat_timeused += 15 - dt;
235 may_play_now(struct natstr *natp, time_t now)
237 if (CANT_HAPPEN(natp->nat_cnum != player->cnum))
240 if (gamehours(now)) {
241 if (player->flags & PF_HOURS) {
242 pr("\nEmpire hours restriction lifted\n");
243 player->flags &= ~PF_HOURS;
246 if (!(player->flags & PF_HOURS)) {
247 pr("\nEmpire hours restriction in force\n");
248 player->flags |= PF_HOURS;
250 if (natp->nat_stat != STAT_GOD)
254 if (game_play_disabled()) {
255 if (!(player->flags & PF_DOWN)) {
256 show_first_tel(downfil);
257 pr("\nThe game is down\n");
258 player->flags |= PF_DOWN;
260 if (natp->nat_stat != STAT_GOD)
263 player->flags &= ~PF_DOWN;
265 if ((natp->nat_stat != STAT_GOD && natp->nat_stat != STAT_VIS)
266 && natp->nat_timeused > m_m_p_d * 60) {
267 pr("Max minutes per day limit exceeded.\n");