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 * satmap.c: Do a satellite map given an x,y location, effic and other
30 * Known contributors to this file:
46 #include "prototypes.h"
53 satmap(int x, int y, int eff, int range, int flags, int type)
67 signed char noise[100];
74 radbuf = malloc(WORLD_Y * (WORLD_X + 1));
76 rad = malloc(WORLD_Y * sizeof(char *));
78 for (rx = 0; rx < WORLD_Y; rx++)
79 rad[rx] = &radbuf[(WORLD_X + 1) * rx];
83 if (!radbuf || !rad) {
84 pr("Memory error in satmap, tell the deity.\n");
88 range = range * (eff / 100.0);
89 pr("%s efficiency %d%%, max range %d\n",
90 xyas(x, y, player->cnum), eff, range);
91 memset(noise, 0, sizeof(noise));
93 pr("Some noise on the transmission...\n");
94 for (n = 0; n < (100 - eff); ++n)
95 noise[100 * n / (100 - eff)] = 1;
98 /* Have to convert to player coords, since it gets converted
100 sprintf(selection, "@%s:%d", xyas(x, y, player->cnum), range);
102 if (type == EF_BAD || type == EF_SECTOR) {
103 if (type == EF_SECTOR) /* Use ?conditionals */
104 snxtsct(&ns, selection);
106 snxtsct_dist(&ns, x, y, range);
108 blankfill(radbuf, &ns.range, 1);
110 pr("Satellite sector report\n");
113 acc = (flags & P_I) ? 5 : 50;
116 while (nxtsct(&ns, §)) {
117 if (++crackle == 100)
122 if (sect.sct_own && sect.sct_own != player->cnum) {
123 satdisp_sect(§, acc);
126 setcont(player->cnum, sect.sct_own, FOUND_FLY);
130 sect.sct_type == SCT_WATER || sect.sct_type == SCT_MOUNT) {
131 rad[ns.dy][ns.dx] = dchr[sect.sct_type].d_mnem;
133 rad[ns.dy][ns.dx] = '?';
135 map_set(player->cnum, ns.x, ns.y, rad[ns.dy][ns.dx], 0);
138 writemap(player->cnum);
140 pr(" %d sectors\n\n", count);
143 if ((type == EF_BAD || type == EF_SHIP) &&
144 (flags & P_S || flags & P_I)) {
146 snxtitem(&ni, EF_SHIP, selection);
148 snxtitem_dist(&ni, EF_SHIP, x, y, range);
152 pr("Satellite ship report\n");
154 pr(" own shp# ship type sector eff\n");
156 while (nxtitem(&ni, &ship)) {
157 if (ship.shp_own == 0)
159 if ((mchr[(int)ship.shp_type].m_flags & M_SUB) &&
160 ((flags & (P_S | P_I)) != (P_S | P_I)))
162 if (++crackle == 100)
167 pr("%4d %4d %-16.16s %-25.25s ",
168 ship.shp_own, ship.shp_uid,
169 mchr[(int)ship.shp_type].m_name, ship.shp_name);
170 prxy("%4d,%-4d ", ship.shp_x, ship.shp_y, player->cnum);
171 pr("%3d%%\n", ship.shp_effic);
174 setcont(player->cnum, ship.shp_own, FOUND_FLY);
176 /* If we are imaging *and* drawing the map */
177 if ((flags & P_I) && (type == EF_BAD)) {
178 /* Figure out where to put the ship */
179 /* First, figure out the distance from the two */
180 rx = diffx((int)ship.shp_x, x);
181 ry = diffy((int)ship.shp_y, y);
182 /* Next, determine which direction to add it to the center */
183 /* We can only do this if imaging and we have gotten the center
184 up above by imaging the sectors. */
185 rx = deltax(x, ns.range.lx) + rx;
186 ry = deltay(y, ns.range.ly) + ry;
187 /* &~0x20 makes it a cap letter */
188 rad[ry][rx] = (*mchr[(int)ship.shp_type].m_name) & ~0x20;
192 pr(" %d ships\n\n", count);
195 if ((type == EF_BAD || type == EF_LAND) &&
196 (flags & P_S || flags & P_I)) {
198 snxtitem(&ni, EF_LAND, selection);
200 snxtitem_dist(&ni, EF_LAND, x, y, range);
204 pr("Satellite unit report\n");
206 pr(" own lnd# unit type sector eff\n");
208 while (nxtitem(&ni, &land)) {
209 if (land.lnd_own == 0)
211 if (!chance(land.lnd_effic / 20.0))
213 if (++crackle == 100)
218 pr("%4d %4d %-16.16s ",
219 land.lnd_own, land.lnd_uid,
220 lchr[(int)land.lnd_type].l_name);
221 prxy("%4d,%-4d", land.lnd_x, land.lnd_y, player->cnum);
222 pr("%3d%%\n", land.lnd_effic);
225 setcont(player->cnum, land.lnd_own, FOUND_FLY);
227 /* If we are imaging *and* drawing the map */
228 if ((flags & P_I) && (type == EF_BAD)) {
229 /* Figure out where to put the unit */
230 /* First, figure out the distance from the two */
231 rx = diffx((int)land.lnd_x, x);
232 ry = diffy((int)land.lnd_y, y);
233 /* Next, determine which direction to add it to the center */
234 /* We can only do this if imaging and we have gotten the center
235 up above by imaging the sectors. */
236 rx = deltax(x, ns.range.lx) + rx;
237 ry = deltay(y, ns.range.ly) + ry;
238 /* &~0x20 makes it a cap letter */
239 rad[ry][rx] = (*lchr[(int)land.lnd_type].l_name) & ~0x20;
243 pr(" %d units\n\n", count);
246 /* Ok, have we made the map? If so, display it */
247 if (type == EF_BAD) {
250 * We have to make the center a '0' for ve
251 * ve needs a garbage line to terminate the map
253 rad[deltay(y, ns.range.ly)][deltax(x, ns.range.lx)] = '0';
255 pr("Satellite radar report\n");
257 /* This is wrong for small, hitech worlds. */
258 n = deltay(ns.range.hy, ns.range.ly);
260 /* This is already available, so why not use it. */
263 for (row = 0; row < n; row++)
264 pr("%s\n", rad[row]);
265 pr("\n(c) 1989 Imaginative Images Inc.\n");
272 pr(" sct rd rl def\n");
273 pr(" sect type own eff eff eff eff civ mil shl gun iron pet food\n");
277 satdisp_sect(struct sctstr *sp, int acc)
279 prxy("%4d,%-4d ", sp->sct_x, sp->sct_y, player->cnum);
280 pr("%c %3d %3d %3d %3d %3d %4d %4d %4d %4d %4d %4d %5d\n",
281 dchr[sp->sct_type].d_mnem,
282 sp->sct_own, roundintby((int)sp->sct_effic, acc / 2),
283 roundintby((int)sp->sct_road, acc / 2),
284 roundintby((int)sp->sct_rail, acc / 2),
285 roundintby((int)sp->sct_defense, acc / 2),
286 roundintby(sp->sct_item[I_CIVIL], acc),
287 roundintby(sp->sct_item[I_MILIT], acc),
288 roundintby(sp->sct_item[I_SHELL], acc),
289 roundintby(sp->sct_item[I_GUN], acc),
290 roundintby(sp->sct_item[I_IRON], acc),
291 roundintby(sp->sct_item[I_PETROL], acc),
292 roundintby(sp->sct_item[I_FOOD], acc));
293 map_set(player->cnum, sp->sct_x, sp->sct_y, dchr[sp->sct_type].d_mnem,
298 satdisp_units(coord x, coord y)
305 snxtitem_xy(&ni, EF_SHIP, x, y);
307 while (nxtitem(&ni, &ship)) {
308 if (ship.shp_own == 0)
310 if (mchr[(int)ship.shp_type].m_flags & M_SUB)
313 pr("\t own shp# ship type sector eff\n");
316 pr("\t%4d %4d %-16.16s %-25.25s ",
317 ship.shp_own, ship.shp_uid,
318 mchr[(int)ship.shp_type].m_name, ship.shp_name);
319 prxy("%4d,%-4d ", ship.shp_x, ship.shp_y, player->cnum);
320 pr("%3d%%\n", ship.shp_effic);
326 snxtitem_xy(&ni, EF_LAND, x, y);
329 while (nxtitem(&ni, &land)) {
330 if (land.lnd_own == 0)
332 if (!chance(land.lnd_effic / 20.0))
336 pr("\t own lnd# unit type sector eff\n");
340 pr("\t%4d %4d %-16.16s ",
341 land.lnd_own, land.lnd_uid, lchr[(int)land.lnd_type].l_name);
342 prxy("%4d,%-4d ", land.lnd_x, land.lnd_y, player->cnum);
343 pr("%3d%%\n", land.lnd_effic);