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 * lboard.c: Board an enemy land unit (heavily borrowing from boar.c)
30 * Known contributors to this file:
51 struct combat off[1]; /* boarding sector */
52 struct combat def[1]; /* defending land unit */
53 struct emp_qelem olist; /* boarding units */
54 struct emp_qelem dlist; /* defending units */
55 int ototal; /* total boarding strength */
56 int a_engineer = 0; /* boarder engineers are present */
57 int a_spy = 0; /* the best boarder scout */
63 att_combat_init(def, EF_LAND);
65 * Collect input from the boarder
68 /* What are we boarding? */
70 if (!(p = getstarg(player->argp[1], "Victim land unit #? ", buf)) ||
71 (def->lnd_uid = atoi(p)) < 0)
75 * Ask the boarder what sector they want to board with
78 /* Note: if we allow land units to board other land units, we need
79 * to make sure the code will allow that */
80 if (!(p = getstarg(player->argp[2], "Boarding party from? ", buf)))
83 att_combat_init(off, EF_SECTOR);
84 if (!sarg_xy(p, &off->x, &off->y))
86 getsect(off->x, off->y, §);
87 if (sect.sct_own != player->cnum) {
88 pr("You don't own %s!\n", xyas(off->x, off->y, player->cnum));
91 if (sect.sct_mobil <= 0) {
92 pr("You don't have any mobility in %s!\n",
93 xyas(off->x, off->y, player->cnum));
97 pr("You can only board land units from a sector.\n");
100 if (att_abort(A_LBOARD, off, def)) {
101 pr("Land unit boarding aborted\n");
105 /* Show what we're boarding */
110 /* Ask the player what he wants to board with */
112 att_ask_offense(A_LBOARD, off, def, &olist, &a_spy, &a_engineer);
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, 0);
120 * Estimate the defense strength and give the player a chance to abort
123 ototal = att_estimate_defense(A_LBOARD, off, &olist, def, a_spy);
124 if (att_abort(A_LBOARD, off, def)) {
125 pr("Land unit boarding aborted\n");
126 att_empty_attack(A_LBOARD, 0, def);
127 return att_free_lists(&olist, 0);
131 * We have now got all the answers from the boarder. From this point
132 * forward, we can assume that this battle is the _only_ thing
133 * happening in the game.
136 /* Get the real defense */
138 att_get_defense(&olist, def, &dlist, a_spy, ototal);
141 * Death, carnage, and destruction.
144 if (!(att_fight(A_LBOARD, off, &olist, 1.0, def, &dlist, 1.0))) {
145 getland(def->lnd_uid, &land);
147 * What about retreat on RET_BOARDED? Well, land units can't
148 * move when the boarder is hostile, and retreating when he
149 * isn't is not useful.