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empserver/src/lib/commands/upgr.c

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/*
* Empire - A multi-player, client/server Internet based war game.
* Copyright (C) 1986-2009, 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.
*
* ---
*
* upgr.c: Upgrade tech of ships/planes/units
*
* Known contributors to this file:
* Dave Pare, 1986
* Steve McClure, 1996-2000
*/
#include <config.h>
#include "commands.h"
#include "land.h"
#include "plane.h"
#include "ship.h"
enum {
UPGR_COST = 15, /* how much avail and money to charge */
UPGR_EFF = 35 /* efficiency reduction */
};
static int lupgr(void);
static int pupgr(void);
static int supgr(void);
int
upgr(void)
{
char *p;
char buf[1024];
if (!(p = getstarg(player->argp[1], "Ship, land, or plane? ", buf)))
return RET_SYN;
switch (*p) {
case 's':
case 'S':
return supgr();
case 'p':
case 'P':
return pupgr();
case 'l':
case 'L':
return lupgr();
default:
break;
}
pr("Ships, land units or planes only!\n");
return RET_SYN;
}
static int
lupgr(void)
{
struct sctstr sect;
struct natstr *natp;
struct nstr_item ni;
struct lndstr land;
struct lchrstr *lp;
int n;
int tlev;
int avail, cost;
int rel;
long cash;
if (!snxtitem(&ni, EF_LAND, player->argp[2], NULL))
return RET_SYN;
natp = getnatp(player->cnum);
cash = natp->nat_money;
tlev = (int)natp->nat_level[NAT_TLEV];
n = 0;
while (nxtitem(&ni, &land)) {
if (land.lnd_own == 0)
continue;
getsect(land.lnd_x, land.lnd_y, &sect);
if (sect.sct_own != player->cnum)
continue;
if (sect.sct_type != SCT_HEADQ || sect.sct_effic < 60)
continue;
rel = getrel(getnatp(land.lnd_own), sect.sct_own);
if (rel < FRIENDLY && sect.sct_own != land.lnd_own) {
pr("You are not on friendly terms with the owner of unit %d!\n",
land.lnd_uid);
continue;
}
n++;
lp = &lchr[(int)land.lnd_type];
avail = (LND_BLD_WORK(lp->l_lcm, lp->l_hcm) * UPGR_COST + 99) / 100;
if (sect.sct_avail < avail) {
pr("Not enough available work in %s to upgrade a %s\n",
xyas(sect.sct_x, sect.sct_y, player->cnum), lp->l_name);
pr(" (%d available work required)\n", avail);
continue;
}
if (land.lnd_effic < 60) {
pr("%s is too damaged to upgrade!\n", prland(&land));
continue;
}
if (land.lnd_tech >= tlev) {
pr("%s tech: %d, yours is only %d\n",
prland(&land), land.lnd_tech, tlev);
continue;
}
cost = lp->l_cost * UPGR_COST / 100;
if (cost + player->dolcost > cash) {
pr("You don't have enough money to upgrade %s!\n",
prland(&land));
continue;
}
sect.sct_avail -= avail;
land.lnd_effic -= UPGR_EFF;
lnd_set_tech(&land, tlev);
land.lnd_harden = 0;
land.lnd_mission = 0;
putland(land.lnd_uid, &land);
putsect(&sect);
player->dolcost += cost;
pr("%s upgraded to tech %d, at a cost of %d\n",
prland(&land), land.lnd_tech, cost);
if (land.lnd_own != player->cnum)
wu(0, land.lnd_own,
"%s upgraded by %s to tech %d, at a cost of %d\n",
prland(&land), cname(player->cnum), land.lnd_tech,
cost);
}
if (n == 0) {
pr("No land units\n");
return RET_SYN;
}
return RET_OK;
}
static int
supgr(void)
{
struct sctstr sect;
struct natstr *natp;
struct nstr_item ni;
struct shpstr ship;
struct mchrstr *mp;
int n;
int tlev;
int avail, cost;
int rel;
long cash;
if (!snxtitem(&ni, EF_SHIP, player->argp[2], NULL))
return RET_SYN;
natp = getnatp(player->cnum);
cash = natp->nat_money;
tlev = (int)natp->nat_level[NAT_TLEV];
n = 0;
while (nxtitem(&ni, &ship)) {
if (ship.shp_own == 0)
continue;
getsect(ship.shp_x, ship.shp_y, &sect);
if (sect.sct_own != player->cnum)
continue;
if (sect.sct_type != SCT_HARBR || sect.sct_effic < 60)
continue;
rel = getrel(getnatp(ship.shp_own), sect.sct_own);
if (rel < FRIENDLY && sect.sct_own != ship.shp_own) {
pr("You are not on friendly terms with the owner of ship %d!\n",
ship.shp_uid);
continue;
}
n++;
mp = &mchr[(int)ship.shp_type];
avail = (SHP_BLD_WORK(mp->m_lcm, mp->m_hcm) * UPGR_COST + 99) / 100;
if (sect.sct_avail < avail) {
pr("Not enough available work in %s to upgrade a %s\n",
xyas(sect.sct_x, sect.sct_y, player->cnum), mp->m_name);
pr(" (%d available work required)\n", avail);
continue;
}
if (ship.shp_effic < 60) {
pr("%s is too damaged to upgrade!\n", prship(&ship));
continue;
}
if (ship.shp_tech >= tlev) {
pr("%s tech: %d, yours is only %d\n",
prship(&ship), ship.shp_tech, tlev);
continue;
}
cost = mp->m_cost * UPGR_COST / 100;
if (cost + player->dolcost > cash) {
pr("You don't have enough money to upgrade %s!\n",
prship(&ship));
continue;
}
sect.sct_avail -= avail;
ship.shp_effic -= UPGR_EFF;
shp_set_tech(&ship, tlev);
ship.shp_mission = 0;
putship(ship.shp_uid, &ship);
putsect(&sect);
player->dolcost += cost;
pr("%s upgraded to tech %d, at a cost of %d\n",
prship(&ship), ship.shp_tech, cost);
if (ship.shp_own != player->cnum)
wu(0, ship.shp_own,
"%s upgraded by %s to tech %d, at a cost of %d\n",
prship(&ship), cname(player->cnum), ship.shp_tech,
cost);
}
if (n == 0) {
pr("No ships\n");
return RET_SYN;
}
return RET_OK;
}
static int
pupgr(void)
{
struct sctstr sect;
struct natstr *natp;
struct nstr_item ni;
struct plnstr plane;
struct plchrstr *pp;
int n;
int tlev;
int avail, cost;
int rel;
long cash;
if (!snxtitem(&ni, EF_PLANE, player->argp[2], NULL))
return RET_SYN;
natp = getnatp(player->cnum);
cash = natp->nat_money;
tlev = (int)natp->nat_level[NAT_TLEV];
n = 0;
while (nxtitem(&ni, &plane)) {
if (plane.pln_own == 0)
continue;
getsect(plane.pln_x, plane.pln_y, &sect);
if (sect.sct_own != player->cnum)
continue;
if (sect.sct_type != SCT_AIRPT || sect.sct_effic < 60)
continue;
rel = getrel(getnatp(plane.pln_own), sect.sct_own);
if (rel < FRIENDLY && sect.sct_own != plane.pln_own) {
pr("You are not on friendly terms with the owner of plane %d!\n",
plane.pln_uid);
continue;
}
if (pln_is_in_orbit(&plane)) {
pr("Plane %s is in orbit!\n", prplane(&plane));
continue;
}
if (plane.pln_flags & PLN_LAUNCHED)
continue;
n++;
pp = &plchr[(int)plane.pln_type];
avail = (PLN_BLD_WORK(pp->pl_lcm, pp->pl_hcm) * UPGR_COST + 99) / 100;
if (sect.sct_avail < avail) {
pr("Not enough available work in %s to upgrade a %s\n",
xyas(sect.sct_x, sect.sct_y, player->cnum), pp->pl_name);
pr(" (%d available work required)\n", avail);
continue;
}
if (plane.pln_effic < 60) {
pr("%s is too damaged to upgrade!\n", prplane(&plane));
continue;
}
if (plane.pln_tech >= tlev) {
pr("%s tech: %d, yours is only %d\n",
prplane(&plane), plane.pln_tech, tlev);
continue;
}
cost = pp->pl_cost * UPGR_COST / 100;
if (cost + player->dolcost > cash) {
pr("You don't have enough money to upgrade %s!\n",
prplane(&plane));
continue;
}
sect.sct_avail -= avail;
plane.pln_effic -= UPGR_EFF;
pln_set_tech(&plane, tlev);
plane.pln_harden = 0;
plane.pln_mission = 0;
putplane(plane.pln_uid, &plane);
putsect(&sect);
player->dolcost += cost;
pr("%s upgraded to tech %d, at a cost of %d\n",
prplane(&plane), plane.pln_tech, cost);
if (plane.pln_own != player->cnum)
wu(0, plane.pln_own,
"%s upgraded by %s to tech %d, at a cost of %d\n",
prplane(&plane), cname(player->cnum), plane.pln_tech,
cost);
}
if (n == 0) {
pr("No planes.\n");
return RET_SYN;
}
return RET_OK;
}
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