356 lines
9.7 KiB
C
356 lines
9.7 KiB
C
/*
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* Empire - A multi-player, client/server Internet based war game.
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* Copyright (C) 1986-2008, Dave Pare, Jeff Bailey, Thomas Ruschak,
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* Ken Stevens, Steve McClure
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* ---
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*
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* See files README, COPYING and CREDITS in the root of the source
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* tree for related information and legal notices. It is expected
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* that future projects/authors will amend these files as needed.
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*
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* ---
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*
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* satmap.c: Do a satellite map given an x,y location, effic and other
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*
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* Known contributors to this file:
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* Steve McClure, 2000
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*/
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#include <config.h>
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#include <stdlib.h>
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#include "file.h"
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#include "land.h"
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#include "map.h"
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#include "misc.h"
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#include "nat.h"
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#include "nsc.h"
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#include "optlist.h"
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#include "plane.h"
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#include "player.h"
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#include "prototypes.h"
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#include "sect.h"
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#include "ship.h"
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#include "xy.h"
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static char **rad;
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static char *radbuf;
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void
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satmap(int x, int y, int eff, int range, int flags, int type)
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{
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int acc;
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struct sctstr sect;
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struct shpstr ship;
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struct lndstr land;
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int count;
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struct nstr_item ni;
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struct nstr_sect ns;
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int rx, ry;
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int row;
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int n;
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int changed = 0;
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long crackle;
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signed char noise[100];
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char selection[1024];
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if (!eff)
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return;
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if (!radbuf)
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radbuf = malloc(WORLD_Y * (WORLD_X + 1));
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if (!rad) {
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rad = malloc(WORLD_Y * sizeof(char *));
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if (rad && radbuf) {
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for (rx = 0; rx < WORLD_Y; rx++)
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rad[rx] = &radbuf[(WORLD_X + 1) * rx];
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}
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}
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if (!radbuf || !rad) {
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pr("Memory error in satmap, tell the deity.\n");
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return;
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}
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range = range * (eff / 100.0);
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pr("%s efficiency %d%%, max range %d\n",
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xyas(x, y, player->cnum), eff, range);
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memset(noise, 0, sizeof(noise));
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if (eff < 100) {
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pr("Some noise on the transmission...\n");
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for (n = 0; n < (100 - eff); ++n)
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noise[100 * n / (100 - eff)] = 1;
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}
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/* Have to convert to player coords, since it gets converted
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back from there */
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sprintf(selection, "@%s:%d", xyas(x, y, player->cnum), range);
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if (type == EF_BAD || type == EF_SECTOR) {
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if (type == EF_SECTOR) /* Use ?conditionals */
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snxtsct(&ns, selection);
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else
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snxtsct_dist(&ns, x, y, range);
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blankfill(radbuf, &ns.range, 1);
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if (flags & P_S) {
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pr("Satellite sector report\n");
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prdate();
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sathead();
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acc = (flags & P_I) ? 5 : 50;
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}
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crackle = count = 0;
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while (nxtsct(&ns, §)) {
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if (++crackle == 100)
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crackle = 0;
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if (noise[crackle])
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continue;
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if (flags & P_S) {
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if (sect.sct_own && sect.sct_own != player->cnum) {
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satdisp_sect(§, acc);
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++count;
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if (opt_HIDDEN)
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setcont(player->cnum, sect.sct_own, FOUND_FLY);
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}
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}
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if ((flags & P_I) ||
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sect.sct_type == SCT_WATER || sect.sct_type == SCT_MOUNT) {
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rad[ns.dy][ns.dx] = dchr[sect.sct_type].d_mnem;
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} else
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rad[ns.dy][ns.dx] = '?';
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changed +=
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map_set(player->cnum, ns.x, ns.y, rad[ns.dy][ns.dx], 0);
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}
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if (changed)
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writemap(player->cnum);
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if (flags & P_S)
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pr(" %d sectors\n\n", count);
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}
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if ((type == EF_BAD || type == EF_SHIP) &&
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(flags & P_S || flags & P_I)) {
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if (type == EF_SHIP)
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snxtitem(&ni, EF_SHIP, selection);
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else
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snxtitem_dist(&ni, EF_SHIP, x, y, range);
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crackle = count = 0;
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if (flags & P_S) {
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pr("Satellite ship report\n");
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prdate();
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pr(" own shp# ship type sector eff\n");
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}
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while (nxtitem(&ni, &ship)) {
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if (ship.shp_own == 0)
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continue;
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if ((mchr[(int)ship.shp_type].m_flags & M_SUB) &&
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((flags & (P_S | P_I)) != (P_S | P_I)))
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continue;
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if (++crackle == 100)
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crackle = 0;
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if (noise[crackle])
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continue;
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if (flags & P_S) {
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pr("%4d %4d %-16.16s %-25.25s ",
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ship.shp_own, ship.shp_uid,
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mchr[(int)ship.shp_type].m_name, ship.shp_name);
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prxy("%4d,%-4d ", ship.shp_x, ship.shp_y, player->cnum);
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pr("%3d%%\n", ship.shp_effic);
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++count;
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if (opt_HIDDEN)
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setcont(player->cnum, ship.shp_own, FOUND_FLY);
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}
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/* If we are imaging *and* drawing the map */
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if ((flags & P_I) && (type == EF_BAD)) {
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/* Figure out where to put the ship */
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/* First, figure out the distance from the two */
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rx = diffx((int)ship.shp_x, x);
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ry = diffy((int)ship.shp_y, y);
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/* Next, determine which direction to add it to the center */
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/* We can only do this if imaging and we have gotten the center
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up above by imaging the sectors. */
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rx = deltax(x, ns.range.lx) + rx;
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ry = deltay(y, ns.range.ly) + ry;
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/* &~0x20 makes it a cap letter */
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rad[ry][rx] = (*mchr[(int)ship.shp_type].m_name) & ~0x20;
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}
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}
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if (flags & P_S)
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pr(" %d ships\n\n", count);
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}
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if ((type == EF_BAD || type == EF_LAND) &&
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(flags & P_S || flags & P_I)) {
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if (type == EF_LAND)
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snxtitem(&ni, EF_LAND, selection);
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else
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snxtitem_dist(&ni, EF_LAND, x, y, range);
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crackle = count = 0;
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if (flags & P_S) {
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pr("Satellite unit report\n");
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prdate();
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pr(" own lnd# unit type sector eff\n");
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}
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while (nxtitem(&ni, &land)) {
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if (land.lnd_own == 0)
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continue;
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if (lchr[(int)land.lnd_type].l_flags & L_SPY)
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continue;
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if (!chance(land.lnd_effic / 20.0))
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continue;
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if (++crackle == 100)
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crackle = 0;
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if (noise[crackle])
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continue;
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if (flags & P_S) {
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pr("%4d %4d %-16.16s ",
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land.lnd_own, land.lnd_uid,
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lchr[(int)land.lnd_type].l_name);
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prxy("%4d,%-4d", land.lnd_x, land.lnd_y, player->cnum);
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pr("%3d%%\n", land.lnd_effic);
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++count;
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if (opt_HIDDEN)
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setcont(player->cnum, land.lnd_own, FOUND_FLY);
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}
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/* If we are imaging *and* drawing the map */
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if ((flags & P_I) && (type == EF_BAD)) {
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/* Figure out where to put the unit */
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/* First, figure out the distance from the two */
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rx = diffx((int)land.lnd_x, x);
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ry = diffy((int)land.lnd_y, y);
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/* Next, determine which direction to add it to the center */
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/* We can only do this if imaging and we have gotten the center
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up above by imaging the sectors. */
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rx = deltax(x, ns.range.lx) + rx;
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ry = deltay(y, ns.range.ly) + ry;
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/* &~0x20 makes it a cap letter */
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rad[ry][rx] = (*lchr[(int)land.lnd_type].l_name) & ~0x20;
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}
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}
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if (flags & P_S)
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pr(" %d units\n\n", count);
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}
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/* Ok, have we made the map? If so, display it */
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if (type == EF_BAD) {
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/*
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* print out the map
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* We have to make the center a '0' for ve
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* ve needs a garbage line to terminate the map
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*/
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rad[deltay(y, ns.range.ly)][deltax(x, ns.range.lx)] = '0';
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pr("Satellite radar report\n");
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#ifdef HAY
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/* This is wrong for small, hitech worlds. */
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n = deltay(ns.range.hy, ns.range.ly);
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#else
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/* This is already available, so why not use it. */
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n = ns.range.height;
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#endif
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for (row = 0; row < n; row++)
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pr("%s\n", rad[row]);
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pr("\n(c) 1989 Imaginative Images Inc.\n");
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}
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}
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void
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sathead(void)
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{
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pr(" sct rd rl def\n");
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pr(" sect type own eff eff eff eff civ mil shl gun iron pet food\n");
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}
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void
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satdisp_sect(struct sctstr *sp, int acc)
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{
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prxy("%4d,%-4d ", sp->sct_x, sp->sct_y, player->cnum);
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pr("%c %3d %3d %3d %3d %3d %4d %4d %4d %4d %4d %4d %5d\n",
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dchr[sp->sct_type].d_mnem,
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sp->sct_own, roundintby((int)sp->sct_effic, acc / 2),
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roundintby((int)sp->sct_road, acc / 2),
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roundintby((int)sp->sct_rail, acc / 2),
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roundintby((int)sp->sct_defense, acc / 2),
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roundintby(sp->sct_item[I_CIVIL], acc),
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roundintby(sp->sct_item[I_MILIT], acc),
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roundintby(sp->sct_item[I_SHELL], acc),
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roundintby(sp->sct_item[I_GUN], acc),
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roundintby(sp->sct_item[I_IRON], acc),
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roundintby(sp->sct_item[I_PETROL], acc),
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roundintby(sp->sct_item[I_FOOD], acc));
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map_set(player->cnum, sp->sct_x, sp->sct_y, dchr[sp->sct_type].d_mnem,
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0);
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}
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void
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satdisp_units(coord x, coord y)
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{
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int first;
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struct nstr_item ni;
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struct shpstr ship;
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struct lndstr land;
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snxtitem_xy(&ni, EF_SHIP, x, y);
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first = 1;
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while (nxtitem(&ni, &ship)) {
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if (ship.shp_own == 0)
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continue;
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if (mchr[(int)ship.shp_type].m_flags & M_SUB)
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continue;
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if (first) {
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pr("\t own shp# ship type sector eff\n");
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first = 0;
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}
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pr("\t%4d %4d %-16.16s %-25.25s ",
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ship.shp_own, ship.shp_uid,
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mchr[(int)ship.shp_type].m_name, ship.shp_name);
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prxy("%4d,%-4d ", ship.shp_x, ship.shp_y, player->cnum);
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pr("%3d%%\n", ship.shp_effic);
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}
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if (!first)
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pr("\n");
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snxtitem_xy(&ni, EF_LAND, x, y);
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first = 1;
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while (nxtitem(&ni, &land)) {
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if (land.lnd_own == 0)
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continue;
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if (land.lnd_ship >= 0 || land.lnd_land >= 0)
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continue;
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if (lchr[(int)land.lnd_type].l_flags & L_SPY)
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continue;
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if (!chance(land.lnd_effic / 20.0))
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continue;
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if (first) {
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pr("\t own lnd# unit type sector eff\n");
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first = 0;
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}
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pr("\t%4d %4d %-16.16s ",
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land.lnd_own, land.lnd_uid, lchr[(int)land.lnd_type].l_name);
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prxy("%4d,%-4d ", land.lnd_x, land.lnd_y, player->cnum);
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pr("%3d%%\n", land.lnd_effic);
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}
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if (!first)
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pr("\n");
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}
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