2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2004, 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 the "LEGAL", "LICENSE", "CREDITS" and "README" files for all the
23 * related information and legal notices. It is expected that any future
24 * projects/authors will amend these files as needed.
28 * mine.c: Lay mines from ships or units
30 * Known contributors to this file:
47 * format: mine <SHIPS> <NUMBER MINES>
60 if (!snxtitem(&ni, EF_SHIP, player->argp[1]))
62 mines = onearg(player->argp[2],
63 "Drop how many mines from each ship? ");
66 while (nxtitem(&ni, (s_char *)&ship)) {
69 mp = &mchr[(int)ship.shp_type];
70 if ((mp->m_flags & M_MINE) == 0)
72 if ((shells = ship.shp_item[I_SHELL]) == 0)
74 mines_avail = min(shells, mines);
75 if (getsect(ship.shp_x, ship.shp_y, §) == 0 ||
76 (sect.sct_type != SCT_WATER && sect.sct_type != SCT_BSPAN)) {
77 pr("You can't lay mines there!!\n");
80 sect.sct_mines = min(sect.sct_mines + mines_avail, MINES_MAX);
81 ship.shp_item[I_SHELL] = shells - mines_avail;
84 putship(ship.shp_uid, &ship);
85 pr("Laying %d mines from %s\n", mines_avail, prship(&ship));
87 map_set(player->cnum, sect.sct_x, sect.sct_y, 'X', 0))
88 writemap(player->cnum);
94 * format: landmine <UNITS> <NUMBER MINES>
106 int total_mines_laid;
109 if (!snxtitem(&ni, EF_LAND, player->argp[1]))
111 while (nxtitem(&ni, (s_char *)&land)) {
114 lp = &lchr[(int)land.lnd_type];
115 if (!(lp->l_flags & L_ENGINEER))
117 if (land.lnd_mobil < 1) {
118 pr("Unit %d is out of mobility\n", land.lnd_uid);
121 resupply_commod(&land, I_SHELL);
122 putland(land.lnd_uid, &land);
123 if (!(shells = land.lnd_item[I_SHELL]))
125 shells = min(shells, land.lnd_mobil);
126 if (!getsect(land.lnd_x, land.lnd_y, §) ||
127 sect.sct_type == SCT_WATER || sect.sct_type == SCT_BSPAN) {
128 pr("You can't lay mines there!!\n");
131 if (sect.sct_own == sect.sct_oldown)
132 pr("There are currently %d mines in %s\n",
133 sect.sct_mines, xyas(sect.sct_x, sect.sct_y, player->cnum));
134 sprintf(prompt, "Drop how many mines from %s? ", prland(&land));
135 mines_wanted = onearg(player->argp[2], prompt);
136 if (!check_land_ok(&land))
138 if (mines_wanted <= 0)
140 land.lnd_mission = 0;
141 total_mines_laid = 0;
142 while (shells > 0 && total_mines_laid < mines_wanted) {
143 mines_laid = min(shells, mines_wanted - total_mines_laid);
144 land.lnd_item[I_SHELL] = shells - mines_laid;
145 land.lnd_mobil -= mines_laid;
146 putland(land.lnd_uid, &land);
147 resupply_commod(&land, I_SHELL); /* Get more shells */
148 putland(land.lnd_uid, &land);
149 total_mines_laid += mines_laid;
150 shells = land.lnd_item[I_SHELL];
151 shells = min(shells, land.lnd_mobil);
153 getsect(sect.sct_x, sect.sct_y, §);
154 sect.sct_mines = min(sect.sct_mines + total_mines_laid, MINES_MAX);
156 if (total_mines_laid == mines_wanted) {
157 pr("%s laid a total of %d mines in %s",
158 prland(&land), total_mines_laid,
159 xyas(sect.sct_x, sect.sct_y, land.lnd_own));
161 pr(" but is now out of supply\n");
165 pr("%s ran out of %s before it could finish the job\nOnly %d mines were laid in %s\n", prland(&land), land.lnd_mobil > 0 ? "supply" : "mobility", total_mines_laid, xyas(sect.sct_x, sect.sct_y, land.lnd_own));