/*
* Empire - A multi-player, client/server Internet based war game.
- * Copyright (C) 1986-2000, Dave Pare, Jeff Bailey, Thomas Ruschak,
- * Ken Stevens, Steve McClure
+ * Copyright (C) 1986-2013, Dave Pare, Jeff Bailey, Thomas Ruschak,
+ * Ken Stevens, Steve McClure, Markus Armbruster
*
- * This program is free software; you can redistribute it and/or modify
+ * Empire is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
+ * the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* ---
*
- * See the "LEGAL", "LICENSE", "CREDITS" and "README" files for all the
- * related information and legal notices. It is expected that any future
- * projects/authors will amend these files as needed.
+ * See files README, COPYING and CREDITS in the root of the source
+ * tree for related information and legal notices. It is expected
+ * that future projects/authors will amend these files as needed.
*
* ---
*
* spy.c: Spy on your neighbors
- *
+ *
* Known contributors to this file:
* Dave Pare, 1986
* Steve McClure, 1998-2000
+ * Markus Armbruster, 2005-2011
*/
-#include "misc.h"
-#include "player.h"
-#include "var.h"
-#include "sect.h"
+#include <config.h>
+
+#include "chance.h"
+#include "commands.h"
#include "item.h"
-#include "nat.h"
-#include "xy.h"
-#include "nsc.h"
-#include "nuke.h"
-#include "news.h"
-#include "deity.h"
-#include "path.h"
-#include "file.h"
#include "land.h"
-#include "commands.h"
+#include "map.h"
+#include "news.h"
#include "optlist.h"
+#include "path.h"
+#include "plane.h"
/*
* format: spy <SECTS>
- *
*/
-static void spyline(struct sctstr *sp);
-static void insert(coord *table, int *len, coord x, coord y);
-static int check(coord *table, int *len, coord x, coord y);
+
+static void spy_report(struct sctstr *sp);
+static void prplanes(int, int);
+static void prunits(int, int);
+static char *player_relstr(natid);
int
spy(void)
{
- int caught;
- natid own;
- int relat;
- coord x, y;
- coord nx, ny;
- int military;
- int savemil;
- int btucost;
- int i;
- coord *table; /* sectors already seen */
- int t_len = 0;
- int vec[I_MAX+1];
- int dvec[I_MAX+1];
- int nrecon;
- int nunits;
- struct nstr_sect nstr;
- struct nstr_item ni;
- struct natstr *natp;
- struct sctstr from;
- struct sctstr dsect;
- struct lndstr land;
- int changed = 0;
- int nsects;
+ natid own;
+ int relat;
+ coord x, y;
+ coord nx, ny;
+ int military;
+ int btucost;
+ int i;
+ unsigned char *bitmap;
+ int nrecon;
+ struct nstr_sect nstr;
+ struct nstr_item ni;
+ struct natstr *natp;
+ struct sctstr from;
+ struct sctstr dsect;
+ struct lndstr land;
+ int changed = 0;
+ int nsects;
- /*
- * first arg should be the range of sectors
- */
- if (!snxtsct(&nstr, player->argp[1]))
- return RET_SYN;
- nsects = (nstr.range.width+1) * nstr.range.height / 2;
- btucost = (nsects / 40) + 1;
- natp = getnatp(player->cnum);
- if (natp->nat_btu < btucost) {
- pr("You don't have the BTU's for spying on that scale!\n");
- return RET_FAIL;
+ /*
+ * first arg should be the range of sectors
+ */
+ if (!snxtsct(&nstr, player->argp[1]))
+ return RET_SYN;
+ nsects = (nstr.range.width + 1) * nstr.range.height / 2;
+ btucost = (nsects / 40) + 1;
+ natp = getnatp(player->cnum);
+ if (natp->nat_btu < btucost) {
+ pr("You don't have the BTU's for spying on that scale!\n");
+ return RET_FAIL;
+ }
+ bitmap = calloc((WORLD_SZ() + 7) / 8, 1);
+ if (!bitmap) {
+ logerror("malloc failed in do_look\n");
+ pr("Memory error. Tell the deity.\n");
+ return RET_FAIL;
+ }
+
+ pr("SPY report\n");
+ prdate();
+ pr(" old sct rd rl def\n");
+ pr(" sect de own own eff eff eff eff civ mil shl gun pet food bars\n");
+ while (nxtsct(&nstr, &from)) {
+ if (!player->owner && !player->god)
+ continue;
+ military = from.sct_item[I_MILIT];
+ if (military == 0)
+ continue;
+ x = from.sct_x;
+ y = from.sct_y;
+ nrecon = 0;
+ snxtitem_xy(&ni, EF_LAND, x, y);
+ while (nxtitem(&ni, &land)) {
+ if (lchr[(int)land.lnd_type].l_flags & L_RECON)
+ nrecon++;
}
+ /* Print out the units/planes in this sector */
+ prunits(x, y);
+ prplanes(x, y);
/*
- * set up all the goodies we need later
- * 6 = neighbors, 2 = x,y
+ * check the neighboring sectors.
*/
- table = (coord *) malloc((nsects + 1) * 6 * 2 * sizeof(coord));
- bzero((s_char *)table, (nsects + 1) * 6 * 2 * sizeof(coord));
- pr("SPY report\n");
- prdate();
-pr(" old sct rd rl def\n");
-pr(" sect de own own eff eff eff eff civ mil shl gun pet food bars lnd pln\n");
- while (nxtsct(&nstr, &from)) {
- if (!player->owner && !player->god)
- continue;
- getvec(VT_ITEM, vec, (s_char *) &from, EF_SECTOR);
- nrecon=0;
- nunits=0;
- snxtitem_xy(&ni, EF_LAND, from.sct_x, from.sct_y);
- while (nxtitem(&ni, (s_char *)&land)){
- nunits++;
- if (lchr[(int)land.lnd_type].l_flags & L_RECON)
- nrecon++;
- }
- if ((military = vec[I_MILIT]) == 0 && (nunits == 0))
- continue;
- x = from.sct_x;
- y = from.sct_y;
- /* Print out the units/planes in this sector */
- prunits(x, y);
- prplanes(x, y);
- savemil = military;
- /*
- * check the neighboring sectors.
- */
- for (i = 1; i <= 6; i++) {
- if ((military == 0) && (nunits == 0))
- break;
- nx = x + diroff[i][0];
- ny = y + diroff[i][1];
- /*
- * if we've already seen the
- * sector, don't bother checking it
- * out.
- */
- if (check(table, &t_len, nx, ny)) {
- continue;
- }
- getsect(nx, ny, &dsect);
- getvec(VT_ITEM, dvec, (s_char *) &dsect, EF_SECTOR);
- if (player->owner || (dsect.sct_type == SCT_WATER) ||
- (!dvec[I_MILIT] && !dvec[I_CIVIL] &&
- (num_units(nx, ny) == 0))) {
- /* mark sector as seen */
- insert(table, &t_len, nx, ny);
- continue;
- }
- /* catch spy N/200 chance, N = # military */
- caught = chance((double) dvec[I_MILIT] / 200.0);
- own = dsect.sct_own;
- /* determine spyee relations with spyer */
- relat = getrel(getnatp(own), player->cnum);
- if (relat == NEUTRAL && caught) {
- /* neutral spy-ee */
- pr("Spy deported from %s\n",
- xyas(nx, ny, player->cnum));
- if(own != 0)
- wu(0, own, "%s (#%d) spy deported from %s\n",
- cname(player->cnum), player->cnum,
- xyas(nx, ny, own));
- } else if (relat < NEUTRAL && caught) {
- /* at-war with spy-ee */
- pr("BANG!! A spy was shot in %s\n",
- xyas(nx, ny, player->cnum));
- military--;
- if(own != 0)
- wu(0, own, "%s (#%d) spy caught in %s\n",
- cname(player->cnum), player->cnum,
- xyas(nx, ny, own));
- nreport(player->cnum, N_SPY_SHOT, own, 1);
- } else {
- insert(table, &t_len, nx, ny);
- spyline(&dsect);
- changed += map_set(player->cnum, dsect.sct_x,
- dsect.sct_y,
- dchr[dsect.sct_type].d_mnem, 0);
- prunits(dsect.sct_x,dsect.sct_y);
- prplanes(dsect.sct_x,dsect.sct_y);
- if (opt_HIDDEN) {
- setcont(player->cnum, own, FOUND_SPY);
- }
- }
- /*
- * If you have a recon unit, it'll
- * see the sector anyway...
- */
- if (nrecon && caught){
- insert(table, &t_len, nx, ny);
- spyline(&dsect);
- changed += map_set(player->cnum, dsect.sct_x,
- dsect.sct_y,
- dchr[dsect.sct_type].d_mnem, 0);
- prunits(dsect.sct_x, dsect.sct_y);
- prplanes(dsect.sct_x,dsect.sct_y);
- }
- }
- /* subtract any military if necessary */
- if ((savemil != military) && (savemil > 0)){
- if ((military < 0) || (military > savemil))
- military = 0;
- vec[I_MILIT] = military;
- putvec (VT_ITEM, vec, (s_char *) &from, EF_SECTOR);
- putsect(&from);
+ for (i = 1; i <= 6; i++) {
+ if (military == 0)
+ break;
+ nx = x + diroff[i][0];
+ ny = y + diroff[i][1];
+ if (emp_getbit(nx, ny, bitmap))
+ continue; /* spied already */
+ getsect(nx, ny, &dsect);
+ if (player->owner || dsect.sct_type == SCT_WATER)
+ continue;
+
+ own = dsect.sct_own;
+ relat = relations_with(own, player->cnum);
+ if (relat <= NEUTRAL
+ && chance(dsect.sct_item[I_MILIT] / 200.0)) {
+ /* spy caught */
+ if (relat == NEUTRAL) {
+ /* deport spy */
+ pr("Spy deported from %s\n",
+ xyas(nx, ny, player->cnum));
+ if (own != 0)
+ wu(0, own, "%s (#%d) spy deported from %s\n",
+ cname(player->cnum), player->cnum,
+ xyas(nx, ny, own));
+ } else {
+ /* execute spy */
+ pr("BANG!! A spy was shot in %s\n",
+ xyas(nx, ny, player->cnum));
+ military--;
+ if (own != 0)
+ wu(0, own, "%s (#%d) spy caught in %s\n",
+ cname(player->cnum), player->cnum,
+ xyas(nx, ny, own));
+ nreport(player->cnum, N_SPY_SHOT, own, 1);
}
+ if (opt_HIDDEN)
+ setcont(own, player->cnum, FOUND_SPY);
+ if (!nrecon) /* unless you have a recon unit */
+ continue; /* no report from caught spy */
+ }
+
+ /* spy report */
+ emp_setbit(nx, ny, bitmap);
+ spy_report(&dsect);
+ changed += map_set(player->cnum, dsect.sct_x, dsect.sct_y,
+ dchr[dsect.sct_type].d_mnem, 0);
+ if (opt_HIDDEN)
+ setcont(player->cnum, own, FOUND_SPY);
+ }
+ /* subtract any military if necessary */
+ if (from.sct_item[I_MILIT] != military) {
+ from.sct_item[I_MILIT] = military;
+ putsect(&from);
}
- if (changed)
- writemap(player->cnum);
- player->btused += btucost;
- free((s_char *)table);
- return RET_OK;
+ }
+ if (changed)
+ writemap(player->cnum);
+ player->btused += btucost;
+ free(bitmap);
+ return RET_OK;
}
-
-/*
- * just a big printf.
- */
static void
-spyline(struct sctstr *sp)
+spy_report(struct sctstr *sp)
{
- int vec[I_MAX+1];
-
- getvec(VT_ITEM, vec, (s_char *) sp, EF_SECTOR);
- prxy("%4d,%-4d",sp->sct_x, sp->sct_y, player->cnum);
- pr(" %c%c %3d %3d %3d %3d %3d %3d %4d %4d %4d %3d %4d %4d %4d %3d %3d\n",
- dchr[sp->sct_type].d_mnem,
- (sp->sct_newtype == sp->sct_type)?' ':dchr[sp->sct_newtype].d_mnem,
- sp->sct_own,
- sp->sct_oldown,
- roundintby((int)sp->sct_effic, 10),
- roundintby((int)sp->sct_road, 10),
- roundintby((int)sp->sct_rail, 10),
- roundintby((int)sp->sct_defense, 10),
- roundintby(vec[I_CIVIL], 10), roundintby(vec[I_MILIT], 10),
- roundintby(vec[I_SHELL], 10), roundintby(vec[I_GUN], 10),
- roundintby(vec[I_PETROL], 10), roundintby(vec[I_FOOD], 10),
- roundintby(vec[I_BAR], 10), count_sect_units(sp), count_sect_planes(sp));
+ prxy("%4d,%-4d", sp->sct_x, sp->sct_y);
+ pr(" %c%c %3d %3d %3d %3d %3d %3d %4d %4d %4d %3d %4d %4d %4d\n",
+ dchr[sp->sct_type].d_mnem,
+ sp->sct_newtype == sp->sct_type ? ' ' : dchr[sp->sct_newtype].d_mnem,
+ sp->sct_own,
+ sp->sct_oldown,
+ roundintby((int)sp->sct_effic, 10),
+ roundintby((int)sp->sct_road, 10),
+ opt_RAILWAYS ? !!sct_rail_track(sp) : roundintby(sp->sct_rail, 10),
+ roundintby((int)sp->sct_defense, 10),
+ roundintby(sp->sct_item[I_CIVIL], 10),
+ roundintby(sp->sct_item[I_MILIT], 10),
+ roundintby(sp->sct_item[I_SHELL], 10),
+ roundintby(sp->sct_item[I_GUN], 10),
+ roundintby(sp->sct_item[I_PETROL], 10),
+ roundintby(sp->sct_item[I_FOOD], 10),
+ roundintby(sp->sct_item[I_BAR], 10));
+ prunits(sp->sct_x, sp->sct_y);
+ prplanes(sp->sct_x, sp->sct_y);
}
-
-/*
- * insert a key into the table.
- */
static void
-insert(coord *table, int *len, coord x, coord y)
-{
- if (!check(table, len, x, y)) {
- table[(*len)++] = x;
- table[(*len)++] = y;
- }
-}
-/*
- * see if a key is in the bitmask table
- */
-static int
-check(coord *table, int *len, coord x, coord y)
-{
- int i;
-
- for (i = 0; i < *len; i += 2)
- if (table[i] == x && table[i + 1] == y)
- return 1;
- return 0;
-}
-
-int
-num_units(int x, int y)
-{
- struct lndstr land;
- struct nstr_item ni;
- int n=0;
-
- snxtitem_xy(&ni, EF_LAND, x, y);
- while (nxtitem(&ni, (s_char *)&land)) {
- if ((land.lnd_own == player->cnum) || (land.lnd_own == 0))
- continue;
- if (land.lnd_ship >= 0 || land.lnd_land >= 0)
- continue;
- n++;
- }
-
- return n;
-}
-
-void
prunits(int x, int y)
{
struct lndstr land;
struct nstr_item ni;
- s_char report[128];
- double odds;
+ char report[128];
snxtitem_xy(&ni, EF_LAND, x, y);
- while (nxtitem(&ni, (s_char *)&land)) {
- if (land.lnd_own == player->cnum || land.lnd_own == 0)
- continue;
- if (land.lnd_ship >= 0 || land.lnd_land >= 0)
- continue;
- /* Don't always see spies */
- if (lchr[(int)land.lnd_type].l_flags & L_SPY) {
- odds = (double)(100 - land.lnd_effic) + 0.10;
- if (!(chance(odds)))
- continue;
- }
- if ((land.lnd_own != player->cnum) && land.lnd_own) {
- int rel;
- s_char *format;
-
- rel = getrel(getnatp(player->cnum),land.lnd_own);
- if (rel == ALLIED)
- format = "Allied (%s) unit in %s: ";
- else if (rel == FRIENDLY || rel == NEUTRAL)
- format = "Neutral (%s) unit in %s: ";
- else
- format = "Enemy (%s) unit in %s: ";
- sprintf(report, format, cname(land.lnd_own),
- xyas(land.lnd_x, land.lnd_y,player->cnum));
- intelligence_report(player->cnum, &land, 3, report);
- }
+ while (nxtitem(&ni, &land)) {
+ if (land.lnd_own == player->cnum || land.lnd_own == 0)
+ continue;
+ if (land.lnd_ship >= 0 || land.lnd_land >= 0)
+ continue;
+ /* Don't always see spies */
+ if (lchr[(int)land.lnd_type].l_flags & L_SPY) {
+ if (!(chance(LND_SPY_DETECT_CHANCE(land.lnd_effic))))
+ continue;
+ }
+ sprintf(report, "%s (%s) unit in %s: ",
+ player_relstr(land.lnd_own),
+ cname(land.lnd_own),
+ xyas(land.lnd_x, land.lnd_y, player->cnum));
+ intelligence_report(player->cnum, &land, 3, report);
}
}
-void
+static void
prplanes(int x, int y)
{
struct plnstr plane;
struct nstr_item ni;
- s_char report[128];
snxtitem_xy(&ni, EF_PLANE, x, y);
- while (nxtitem(&ni, (s_char *)&plane)) {
- if (plane.pln_own == player->cnum || plane.pln_own == 0)
- continue;
- if (plane.pln_ship >= 0 || plane.pln_land >= 0)
- continue;
+ while (nxtitem(&ni, &plane)) {
+ if (plane.pln_own == player->cnum || plane.pln_own == 0)
+ continue;
+ if (plane.pln_ship >= 0 || plane.pln_land >= 0)
+ continue;
if (plane.pln_flags & PLN_LAUNCHED)
continue;
- if ((plane.pln_own != player->cnum) && plane.pln_own) {
- int rel;
- s_char *format;
-
- rel = getrel(getnatp(player->cnum),plane.pln_own);
- if (rel == ALLIED)
- format = "Allied (%s) plane in %s: %s\n";
- else if (rel == FRIENDLY || rel == NEUTRAL)
- format = "Neutral (%s) plane in %s: %s\n";
- else
- format = "Enemy (%s) plane in %s: %s\n";
- sprintf(report, format, cname(plane.pln_own),
- xyas(plane.pln_x, plane.pln_y,player->cnum),
- prplane(&plane));
- pr(report);
- }
+ pr("%s (%s) plane in %s: %s\n",
+ player_relstr(plane.pln_own),
+ cname(plane.pln_own),
+ xyas(plane.pln_x, plane.pln_y, player->cnum),
+ prplane(&plane));
}
}
+static char *
+player_relstr(natid them)
+{
+ int rel = relations_with(player->cnum, them);
+
+ if (rel == ALLIED)
+ return "Allied";
+ if (rel >= NEUTRAL)
+ return "Neutral";
+ return "Enemy";
+}
projects / empserver / blobdiff