2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2011, Dave Pare, Jeff Bailey, Thomas Ruschak,
4 * Ken Stevens, Steve McClure, Markus Armbruster
6 * Empire 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 3 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, see <http://www.gnu.org/licenses/>.
21 * See files README, COPYING and CREDITS in the root of the source
22 * tree for related information and legal notices. It is expected
23 * that future projects/authors will amend these files as needed.
27 * lboard.c: Board an enemy land unit (heavily borrowing from boar.c)
29 * Known contributors to this file:
45 struct combat off[1]; /* boarding sector */
46 struct combat def[1]; /* defending land unit */
47 struct emp_qelem olist; /* boarding units */
48 struct emp_qelem dlist; /* defending units */
49 int ototal; /* total boarding strength */
50 int a_engineer = 0; /* boarder engineers are present */
51 int a_spy = 0; /* the best boarder scout */
57 att_combat_init(def, EF_LAND);
59 * Collect input from the boarder
62 /* What are we boarding? */
63 p = getstarg(player->argp[1], "Victim land unit #? ", buf);
64 if (!p || (def->lnd_uid = atoi(p)) < 0)
68 * Ask the boarder what sector they want to board with
71 /* Note: if we allow land units to board other land units, we need
72 * to make sure the code will allow that */
73 if (!(p = getstarg(player->argp[2], "Boarding party from? ", buf)))
76 att_combat_init(off, EF_SECTOR);
77 if (!sarg_xy(p, &off->x, &off->y))
79 getsect(off->x, off->y, §);
80 if (sect.sct_own != player->cnum) {
81 pr("You don't own %s!\n", xyas(off->x, off->y, player->cnum));
84 if (sect.sct_mobil <= 0) {
85 pr("You don't have any mobility in %s!\n",
86 xyas(off->x, off->y, player->cnum));
90 pr("You can only board land units from a sector.\n");
93 if (att_abort(A_LBOARD, off, def)) {
94 pr("Land unit boarding aborted\n");
98 /* Show what we're boarding */
103 /* Ask the player what he wants to board with */
105 att_ask_offense(A_LBOARD, off, def, &olist, &a_spy, &a_engineer);
106 if (att_abort(A_LBOARD, off, def)) {
107 pr("Land unit boarding aborted\n");
108 att_empty_attack(A_LBOARD, 0, def);
109 return att_free_lists(&olist, NULL);
112 ototal = att_get_offense(A_LBOARD, off, &olist, def);
113 if (att_abort(A_LBOARD, off, def)) {
114 pr("Land unit boarding aborted\n");
115 att_empty_attack(A_LBOARD, 0, def);
116 return att_free_lists(&olist, NULL);
120 * We have now got all the answers from the boarder. From this point
121 * forward, we can assume that this battle is the _only_ thing
122 * happening in the game.
125 /* Get the real defense */
127 att_get_defense(&olist, def, &dlist, a_spy, ototal);
130 * Death, carnage, and destruction.
133 if (!(att_fight(A_LBOARD, off, &olist, 1.0, def, &dlist, 1.0))) {
134 getland(def->lnd_uid, &land);
136 * What about retreat on RET_BOARDED? Well, land units can't
137 * move when the boarder is hostile, and retreating when he
138 * isn't is not useful.