empire/empserver
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions
empserver/src/lib/commands/spy.c
Markus Armbruster ee6927122c Fix spy to make contact when spy succeeds due to recon unit 
If you have a recon unit, you get a spy report whether the spy is
caught or not.  But you made contact only when he wasn't caught.  Fix
that.
2008-06-14 17:40:57 +02:00

356 lines
9.3 KiB
C
Raw Blame History

/*
* Empire - A multi-player, client/server Internet based war game.
* Copyright (C) 1986-2008, Dave Pare, Jeff Bailey, Thomas Ruschak,
* Ken Stevens, Steve McClure
*
* This program 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
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* 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
*
* ---
*
* 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
*/
#include <config.h>
#include "commands.h"
#include "item.h"
#include "land.h"
#include "map.h"
#include "news.h"
#include "optlist.h"
#include "path.h"
#include "plane.h"
/*
* format: spy <SECTS>
*/
static int check(coord *table, int *len, coord x, coord y);
static void insert(coord *table, int *len, coord x, coord y);
static int num_units(int, int);
static void prplanes(int, int);
static void prunits(int, int);
static void spyline(struct sctstr *sp);
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 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;
/*
* 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;
}
/*
* set up all the goodies we need later
* 6 = neighbors, 2 = x,y
*/
table = malloc((nsects + 1) * 6 * 2 * sizeof(coord));
memset(table, 0, (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;
nrecon = 0;
nunits = 0;
snxtitem_xy(&ni, EF_LAND, from.sct_x, from.sct_y);
while (nxtitem(&ni, &land)) {
nunits++;
if (lchr[(int)land.lnd_type].l_flags & L_RECON)
nrecon++;
}
if ((military = from.sct_item[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);
if (player->owner
|| (dsect.sct_type == SCT_WATER)
|| (!dsect.sct_item[I_MILIT] && !dsect.sct_item[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(dsect.sct_item[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));
if (opt_HIDDEN)
setcont(own, player->cnum, FOUND_SPY);
} else if (relat < NEUTRAL && caught) {
/* hostile 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);
if (opt_HIDDEN)
setcont(own, player->cnum, FOUND_SPY);
} 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);
if (opt_HIDDEN)
setcont(player->cnum, own, FOUND_SPY);
}
}
/* subtract any military if necessary */
if ((savemil != military) && (savemil > 0)) {
if ((military < 0) || (military > savemil))
military = 0;
from.sct_item[I_MILIT] = military;
putsect(&from);
}
}
if (changed)
writemap(player->cnum);
player->btused += btucost;
free(table);
return RET_OK;
}
/*
* just a big printf.
*/
static void
spyline(struct sctstr *sp)
{
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(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),
count_sect_units(sp),
count_sect_planes(sp));
}
/*
* 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;
}
static 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, &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;
}
static void
prunits(int x, int y)
{
struct lndstr land;
struct nstr_item ni;
char report[128];
snxtitem_xy(&ni, EF_LAND, x, y);
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;
}
if ((land.lnd_own != player->cnum) && land.lnd_own) {
int rel;
char *relstr;
rel = getrel(getnatp(player->cnum), land.lnd_own);
if (rel == ALLIED)
relstr = "Allied";
else if (rel == FRIENDLY || rel == NEUTRAL)
relstr = "Neutral";
else
relstr = "Enemy";
sprintf(report, "%s (%s) unit in %s: ",
relstr, cname(land.lnd_own),
xyas(land.lnd_x, land.lnd_y, player->cnum));
intelligence_report(player->cnum, &land, 3, report);
}
}
}
static void
prplanes(int x, int y)
{
struct plnstr plane;
struct nstr_item ni;
snxtitem_xy(&ni, EF_PLANE, x, y);
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;
char *relstr;
rel = getrel(getnatp(player->cnum), plane.pln_own);
if (rel == ALLIED)
relstr = "Allied";
else if (rel == FRIENDLY || rel == NEUTRAL)
relstr = "Neutral";
else
relstr = "Enemy";
pr("%s (%s) plane in %s: %s\n",
relstr, cname(plane.pln_own),
xyas(plane.pln_x, plane.pln_y, player->cnum),
prplane(&plane));
}
}
}
Reference in a new issue View git blame Copy permalink