2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2006, 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 * bridgefall.c: Knock a bridge down
30 * Known contributors to this file:
51 bridgefall(struct sctstr *sp, struct emp_qelem *list)
56 struct sctstr bh_sect;
62 for (i = 1; i <= 6; i++) {
63 nx = sp->sct_x + diroff[i][0];
64 ny = sp->sct_y + diroff[i][1];
65 getsect(nx, ny, §);
66 if (sect.sct_type != SCT_BSPAN)
68 for (j = 1; j <= 6; j++) {
69 nnx = nx + diroff[j][0];
70 nny = ny + diroff[j][1];
71 if (nnx == sp->sct_x && nny == sp->sct_y)
73 getsect(nnx, nny, &bh_sect);
74 if (bh_sect.sct_type == SCT_BHEAD &&
75 bh_sect.sct_newtype == SCT_BHEAD)
77 if (bh_sect.sct_type == SCT_BTOWER)
79 /* With EASY_BRIDGES, it just has to be next to any
81 if (opt_EASY_BRIDGES) {
82 if (bh_sect.sct_type != SCT_WATER &&
83 bh_sect.sct_type != SCT_BSPAN)
88 knockdown(§, list);
94 /* Knock down a bridge span. Note that this does NOT write the
95 * sector out to the database, it's up to the caller to do that. */
97 knockdown(struct sctstr *sp, struct emp_qelem *list)
104 if (sp->sct_type == SCT_BTOWER)
106 "Crumble... SCREEEECH! Splash! Bridge tower falls at %s!\n",
107 xyas(sp->sct_x, sp->sct_y, sp->sct_own));
110 "Crumble... SCREEEECH! Splash! Bridge falls at %s!\n",
111 xyas(sp->sct_x, sp->sct_y, sp->sct_own));
112 sp->sct_type = SCT_WATER;
113 sp->sct_newtype = SCT_WATER;
114 makelost(EF_SECTOR, sp->sct_own, 0, sp->sct_x, sp->sct_y);
120 /* Sink all the units */
121 snxtitem_xy(&ni, EF_LAND, sp->sct_x, sp->sct_y);
122 while (nxtitem(&ni, &land)) {
123 if (land.lnd_own == 0)
125 if (land.lnd_x != sp->sct_x || land.lnd_y != sp->sct_y)
127 if (land.lnd_ship >= 0)
129 np = getnatp(land.lnd_own);
130 if (np->nat_flags & NF_BEEP)
131 mpr(land.lnd_own, "\07");
132 mpr(land.lnd_own, " AARGH! %s tumbles to its doom!\n",
134 makelost(EF_LAND, land.lnd_own, land.lnd_uid, land.lnd_x,
138 putland(land.lnd_uid, &land);
140 /* Sink all the planes */
141 snxtitem_xy(&ni, EF_PLANE, sp->sct_x, sp->sct_y);
142 while (nxtitem(&ni, &plane)) {
143 if (plane.pln_own == 0)
145 if (plane.pln_x != sp->sct_x || plane.pln_y != sp->sct_y)
147 if (plane.pln_flags & PLN_LAUNCHED)
149 if (plane.pln_ship >= 0)
151 /* Is this plane flying in this list? */
152 if (ac_isflying(&plane, list))
154 np = getnatp(plane.pln_own);
155 if (np->nat_flags & NF_BEEP)
156 mpr(plane.pln_own, "\07");
157 mpr(plane.pln_own, " AARGH! %s tumbles to its doom!\n",
159 makelost(EF_PLANE, plane.pln_own, plane.pln_uid, plane.pln_x,
163 putplane(plane.pln_uid, &plane);
165 memset(sp->sct_item, 0, sizeof(sp->sct_item));
166 memset(sp->sct_del, 0, sizeof(sp->sct_del));
167 memset(sp->sct_dist, 0, sizeof(sp->sct_dist));
168 sp->sct_pstage = PLG_HEALTHY;
171 sp->sct_che_target = 0;