2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2008, 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"
55 satmap(int x, int y, int eff, int range, int flags, int type)
69 signed char noise[100];
76 radbuf = malloc(WORLD_Y * (WORLD_X + 1));
78 rad = malloc(WORLD_Y * sizeof(char *));
80 for (rx = 0; rx < WORLD_Y; rx++)
81 rad[rx] = &radbuf[(WORLD_X + 1) * rx];
85 if (!radbuf || !rad) {
86 pr("Memory error in satmap, tell the deity.\n");
90 range = range * (eff / 100.0);
91 pr("%s efficiency %d%%, max range %d\n",
92 xyas(x, y, player->cnum), eff, range);
93 memset(noise, 0, sizeof(noise));
95 pr("Some noise on the transmission...\n");
96 for (n = 0; n < (100 - eff); ++n)
97 noise[100 * n / (100 - eff)] = 1;
100 /* Have to convert to player coords, since it gets converted
102 sprintf(selection, "@%s:%d", xyas(x, y, player->cnum), range);
104 if (type == EF_BAD || type == EF_SECTOR) {
105 if (type == EF_SECTOR) /* Use ?conditionals */
106 snxtsct(&ns, selection);
108 snxtsct_dist(&ns, x, y, range);
110 blankfill(radbuf, &ns.range, 1);
112 pr("Satellite sector report\n");
115 acc = (flags & P_I) ? 5 : 50;
118 while (nxtsct(&ns, §)) {
119 if (++crackle == 100)
124 if (sect.sct_own && sect.sct_own != player->cnum) {
125 satdisp_sect(§, acc);
128 setcont(player->cnum, sect.sct_own, FOUND_FLY);
132 sect.sct_type == SCT_WATER || sect.sct_type == SCT_MOUNT) {
133 rad[ns.dy][ns.dx] = dchr[sect.sct_type].d_mnem;
135 rad[ns.dy][ns.dx] = '?';
137 map_set(player->cnum, ns.x, ns.y, rad[ns.dy][ns.dx], 0);
140 writemap(player->cnum);
142 pr(" %d sectors\n\n", count);
145 if ((type == EF_BAD || type == EF_SHIP) &&
146 (flags & P_S || flags & P_I)) {
148 snxtitem(&ni, EF_SHIP, selection);
150 snxtitem_dist(&ni, EF_SHIP, x, y, range);
154 pr("Satellite ship report\n");
156 pr(" own shp# ship type sector eff\n");
158 while (nxtitem(&ni, &ship)) {
159 if (ship.shp_own == 0)
161 if ((mchr[(int)ship.shp_type].m_flags & M_SUB) &&
162 ((flags & (P_S | P_I)) != (P_S | P_I)))
164 if (++crackle == 100)
169 pr("%4d %4d %-16.16s %-25.25s ",
170 ship.shp_own, ship.shp_uid,
171 mchr[(int)ship.shp_type].m_name, ship.shp_name);
172 prxy("%4d,%-4d ", ship.shp_x, ship.shp_y, player->cnum);
173 pr("%3d%%\n", ship.shp_effic);
176 setcont(player->cnum, ship.shp_own, FOUND_FLY);
178 /* If we are imaging *and* drawing the map */
179 if ((flags & P_I) && (type == EF_BAD)) {
180 /* Figure out where to put the ship */
181 /* First, figure out the distance from the two */
182 rx = diffx((int)ship.shp_x, x);
183 ry = diffy((int)ship.shp_y, y);
184 /* Next, determine which direction to add it to the center */
185 /* We can only do this if imaging and we have gotten the center
186 up above by imaging the sectors. */
187 rx = deltax(x, ns.range.lx) + rx;
188 ry = deltay(y, ns.range.ly) + ry;
189 /* &~0x20 makes it a cap letter */
190 rad[ry][rx] = (*mchr[(int)ship.shp_type].m_name) & ~0x20;
194 pr(" %d ships\n\n", count);
197 if ((type == EF_BAD || type == EF_LAND) &&
198 (flags & P_S || flags & P_I)) {
200 snxtitem(&ni, EF_LAND, selection);
202 snxtitem_dist(&ni, EF_LAND, x, y, range);
206 pr("Satellite unit report\n");
208 pr(" own lnd# unit type sector eff\n");
210 while (nxtitem(&ni, &land)) {
211 if (land.lnd_own == 0)
213 if (lchr[(int)land.lnd_type].l_flags & L_SPY)
215 if (!chance(land.lnd_effic / 20.0))
217 if (++crackle == 100)
222 pr("%4d %4d %-16.16s ",
223 land.lnd_own, land.lnd_uid,
224 lchr[(int)land.lnd_type].l_name);
225 prxy("%4d,%-4d", land.lnd_x, land.lnd_y, player->cnum);
226 pr("%3d%%\n", land.lnd_effic);
229 setcont(player->cnum, land.lnd_own, FOUND_FLY);
231 /* If we are imaging *and* drawing the map */
232 if ((flags & P_I) && (type == EF_BAD)) {
233 /* Figure out where to put the unit */
234 /* First, figure out the distance from the two */
235 rx = diffx((int)land.lnd_x, x);
236 ry = diffy((int)land.lnd_y, y);
237 /* Next, determine which direction to add it to the center */
238 /* We can only do this if imaging and we have gotten the center
239 up above by imaging the sectors. */
240 rx = deltax(x, ns.range.lx) + rx;
241 ry = deltay(y, ns.range.ly) + ry;
242 /* &~0x20 makes it a cap letter */
243 rad[ry][rx] = (*lchr[(int)land.lnd_type].l_name) & ~0x20;
247 pr(" %d units\n\n", count);
250 /* Ok, have we made the map? If so, display it */
251 if (type == EF_BAD) {
254 * We have to make the center a '0' for ve
255 * ve needs a garbage line to terminate the map
257 rad[deltay(y, ns.range.ly)][deltax(x, ns.range.lx)] = '0';
259 pr("Satellite radar report\n");
261 /* This is wrong for small, hitech worlds. */
262 n = deltay(ns.range.hy, ns.range.ly);
264 /* This is already available, so why not use it. */
267 for (row = 0; row < n; row++)
268 pr("%s\n", rad[row]);
269 pr("\n(c) 1989 Imaginative Images Inc.\n");
276 pr(" sct rd rl def\n");
277 pr(" sect type own eff eff eff eff civ mil shl gun iron pet food\n");
281 satdisp_sect(struct sctstr *sp, int acc)
283 prxy("%4d,%-4d ", sp->sct_x, sp->sct_y, player->cnum);
284 pr("%c %3d %3d %3d %3d %3d %4d %4d %4d %4d %4d %4d %5d\n",
285 dchr[sp->sct_type].d_mnem,
286 sp->sct_own, roundintby((int)sp->sct_effic, acc / 2),
287 roundintby((int)sp->sct_road, acc / 2),
288 roundintby((int)sp->sct_rail, acc / 2),
289 roundintby((int)sp->sct_defense, acc / 2),
290 roundintby(sp->sct_item[I_CIVIL], acc),
291 roundintby(sp->sct_item[I_MILIT], acc),
292 roundintby(sp->sct_item[I_SHELL], acc),
293 roundintby(sp->sct_item[I_GUN], acc),
294 roundintby(sp->sct_item[I_IRON], acc),
295 roundintby(sp->sct_item[I_PETROL], acc),
296 roundintby(sp->sct_item[I_FOOD], acc));
297 map_set(player->cnum, sp->sct_x, sp->sct_y, dchr[sp->sct_type].d_mnem,
302 satdisp_units(coord x, coord y)
309 snxtitem_xy(&ni, EF_SHIP, x, y);
311 while (nxtitem(&ni, &ship)) {
312 if (ship.shp_own == 0)
314 if (mchr[(int)ship.shp_type].m_flags & M_SUB)
317 pr("\t own shp# ship type sector eff\n");
320 pr("\t%4d %4d %-16.16s %-25.25s ",
321 ship.shp_own, ship.shp_uid,
322 mchr[(int)ship.shp_type].m_name, ship.shp_name);
323 prxy("%4d,%-4d ", ship.shp_x, ship.shp_y, player->cnum);
324 pr("%3d%%\n", ship.shp_effic);
330 snxtitem_xy(&ni, EF_LAND, x, y);
333 while (nxtitem(&ni, &land)) {
334 if (land.lnd_own == 0)
336 if (land.lnd_ship >= 0 || land.lnd_land >= 0)
338 if (lchr[(int)land.lnd_type].l_flags & L_SPY)
340 if (!chance(land.lnd_effic / 20.0))
344 pr("\t own lnd# unit type sector eff\n");
348 pr("\t%4d %4d %-16.16s ",
349 land.lnd_own, land.lnd_uid, lchr[(int)land.lnd_type].l_name);
350 prxy("%4d,%-4d ", land.lnd_x, land.lnd_y, player->cnum);
351 pr("%3d%%\n", land.lnd_effic);