empserver/src/lib/commands/work.c

181 lines
4.9 KiB
C

/*
* Empire - A multi-player, client/server Internet based war game.
* Copyright (C) 1986-2005, 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 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.
*
* ---
*
* work.c: Implementation of the work command
*
* Known contributors to this file:
*
*/
#include "misc.h"
#include "player.h"
#include "xy.h"
#include "sect.h"
#include "land.h"
#include "nat.h"
#include "nsc.h"
#include "file.h"
#include "optlist.h"
#include "commands.h"
static int buildeff(struct sctstr *, int, double *);
int
work(void)
{
int nunits;
struct nstr_item ni;
struct sctstr sect;
struct lndstr land;
int work_amt, eff_amt, w;
s_char *p;
coord donex = 0, doney = 1;
s_char buf[1024];
if (!snxtitem(&ni, EF_LAND, player->argp[1]))
return RET_SYN;
p = getstarg(player->argp[2], "Amount: ", buf);
if (p == 0 || *p == 0)
return RET_SYN;
work_amt = atoi(p);
if ((work_amt < 0) || (work_amt > land_mob_max)) {
pr("Mobility used must be from 0 to %d\n", land_mob_max);
return RET_FAIL;
}
nunits = 0;
while (nxtitem(&ni, &land)) {
if (!player->owner || land.lnd_own == 0)
continue;
if (land.lnd_type < 0 || land.lnd_type > lnd_maxno) {
pr("bad unit type %d (#%d)\n", land.lnd_type, ni.cur);
continue;
}
if (!(lchr[(int)land.lnd_type].l_flags & L_ENGINEER))
continue;
if (land.lnd_mobil <= 0) {
pr("%s has no mobility!\n", prland(&land));
continue;
}
getsect(land.lnd_x, land.lnd_y, &sect);
if (sect.sct_effic >= 100 && sect.sct_type == sect.sct_newtype) {
if (sect.sct_x != donex || sect.sct_y != doney)
pr("%s is %d%% efficient\n",
xyas(sect.sct_x, sect.sct_y, player->cnum),
sect.sct_effic);
/* not perfect, but it'll do -KHS */
donex = sect.sct_x;
doney = sect.sct_y;
continue;
}
eff_amt = min(land.lnd_mobil, work_amt);
w = ldround(((double)eff_amt * land.lnd_effic / 600.0), 1);
if (w < 1) {
pr("%s doesn't work enough to change efficiency (try increasing amount)\n", prland(&land));
continue;
}
nunits++;
eff_amt = ((6 * buildeff(&sect, w, &player->dolcost)) /
(land.lnd_effic / 100.0));
land.lnd_mission = 0;
land.lnd_mobil -= eff_amt;
pr("%s %s efficiency at %s to %d\n",
prland(&land),
sect.sct_type == sect.sct_newtype ? "raised" : "lowered",
xyas(land.lnd_x, land.lnd_y, player->cnum),
(int)sect.sct_effic);
putland(land.lnd_uid, &land);
putsect(&sect);
}
if (nunits == 0) {
if (player->argp[1])
pr("%s: No unit(s)\n", player->argp[1]);
else
pr("%s: No unit(s)\n", "");
return RET_FAIL;
} else
pr("%d unit%s\n", nunits, splur(nunits));
return RET_OK;
}
static int
buildeff(struct sctstr *sp, int work, double *money)
{
int work_cost;
int n, hcms, lcms;
int effdone = 0;
work_cost = 0;
if (sp->sct_type != sp->sct_newtype) {
/*
* Tear down existing sector.
* Easier to destroy than to build.
*/
work_cost = (sp->sct_effic + 3) / 4;
if (work_cost > work)
work_cost = work;
n = sp->sct_effic - work_cost * 4;
if (n <= 0) {
n = 0;
sp->sct_type = sp->sct_newtype;
}
sp->sct_effic = n;
if (!opt_DEFENSE_INFRA)
sp->sct_defense = sp->sct_effic;
work -= work_cost;
*money += work_cost;
effdone += work_cost;
}
if (sp->sct_type == sp->sct_newtype) {
work_cost = 100 - sp->sct_effic;
if (work_cost > work)
work_cost = work;
if (dchr[sp->sct_type].d_lcms > 0) {
lcms = sp->sct_item[I_LCM];
lcms /= dchr[sp->sct_type].d_lcms;
if (work_cost > lcms)
work_cost = lcms;
}
if (dchr[sp->sct_type].d_hcms > 0) {
hcms = sp->sct_item[I_HCM];
hcms /= dchr[sp->sct_type].d_hcms;
if (work_cost > hcms)
work_cost = hcms;
}
sp->sct_effic += work_cost;
*money += work_cost * dchr[sp->sct_type].d_build;
if ((dchr[sp->sct_type].d_lcms > 0) ||
(dchr[sp->sct_type].d_hcms > 0)) {
sp->sct_item[I_LCM] -= work_cost * dchr[sp->sct_type].d_lcms;
sp->sct_item[I_HCM] -= work_cost * dchr[sp->sct_type].d_hcms;
}
effdone += work_cost;
}
return effdone;
}