Markus Armbruster
5f46ced826
Code dealing with money mixes int and long pretty haphazardly. Harmless, because practical amounts of money fit into int on any machine capable of running the server. Clean up anyway.
318 lines
8.3 KiB
C
318 lines
8.3 KiB
C
/*
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* Empire - A multi-player, client/server Internet based war game.
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* Copyright (C) 1986-2013, Dave Pare, Jeff Bailey, Thomas Ruschak,
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* Ken Stevens, Steve McClure, Markus Armbruster
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*
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* Empire 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 3 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, see <http://www.gnu.org/licenses/>.
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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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* upgr.c: Upgrade tech of ships/planes/units
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*
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* Known contributors to this file:
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* Dave Pare, 1986
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* Steve McClure, 1996-2000
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*/
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#include <config.h>
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#include "commands.h"
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#include "land.h"
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#include "plane.h"
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#include "ship.h"
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enum {
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UPGR_COST = 15, /* how much avail and money to charge */
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UPGR_EFF = 35 /* efficiency reduction */
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};
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static int lupgr(void);
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static int pupgr(void);
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static int supgr(void);
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int
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upgr(void)
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{
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char *p;
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char buf[1024];
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if (!(p = getstarg(player->argp[1], "Ship, land, or plane? ", buf)))
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return RET_SYN;
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switch (*p) {
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case 's':
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case 'S':
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return supgr();
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case 'p':
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case 'P':
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return pupgr();
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case 'l':
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case 'L':
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return lupgr();
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default:
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break;
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}
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pr("Ships, land units or planes only!\n");
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return RET_SYN;
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}
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static int
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lupgr(void)
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{
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struct sctstr sect;
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struct natstr *natp;
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struct nstr_item ni;
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struct lndstr land;
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struct lchrstr *lp;
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int n;
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int tlev;
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int avail, cost;
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int cash;
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if (!snxtitem(&ni, EF_LAND, player->argp[2], NULL))
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return RET_SYN;
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natp = getnatp(player->cnum);
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cash = natp->nat_money;
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tlev = (int)natp->nat_level[NAT_TLEV];
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n = 0;
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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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getsect(land.lnd_x, land.lnd_y, §);
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if (sect.sct_own != player->cnum)
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continue;
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if (sect.sct_type != SCT_HEADQ || sect.sct_effic < 60)
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continue;
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if (relations_with(land.lnd_own, sect.sct_own) < FRIENDLY) {
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pr("You are not on friendly terms with the owner of unit %d!\n",
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land.lnd_uid);
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continue;
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}
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n++;
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lp = &lchr[(int)land.lnd_type];
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avail = (LND_BLD_WORK(lp->l_lcm, lp->l_hcm) * UPGR_COST + 99) / 100;
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if (sect.sct_avail < avail) {
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pr("Not enough available work in %s to upgrade a %s\n",
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xyas(sect.sct_x, sect.sct_y, player->cnum), lp->l_name);
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pr(" (%d available work required)\n", avail);
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continue;
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}
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if (land.lnd_effic < 60) {
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pr("%s is too damaged to upgrade!\n", prland(&land));
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continue;
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}
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if (land.lnd_tech >= tlev) {
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pr("%s tech: %d, yours is only %d\n",
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prland(&land), land.lnd_tech, tlev);
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continue;
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}
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cost = lp->l_cost * UPGR_COST / 100;
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if (cost + player->dolcost > cash) {
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pr("You don't have enough money to upgrade %s!\n",
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prland(&land));
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continue;
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}
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sect.sct_avail -= avail;
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land.lnd_effic -= UPGR_EFF;
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lnd_set_tech(&land, tlev);
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land.lnd_harden = 0;
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land.lnd_mission = 0;
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putland(land.lnd_uid, &land);
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putsect(§);
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player->dolcost += cost;
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pr("%s upgraded to tech %d, at a cost of %d\n",
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prland(&land), land.lnd_tech, cost);
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if (land.lnd_own != player->cnum)
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wu(0, land.lnd_own,
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"%s upgraded by %s to tech %d, at a cost of %d\n",
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prland(&land), cname(player->cnum), land.lnd_tech, cost);
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}
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if (n == 0) {
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pr("No land units\n");
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return RET_SYN;
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}
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return RET_OK;
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}
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static int
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supgr(void)
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{
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struct sctstr sect;
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struct natstr *natp;
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struct nstr_item ni;
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struct shpstr ship;
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struct mchrstr *mp;
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int n;
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int tlev;
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int avail, cost;
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int cash;
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if (!snxtitem(&ni, EF_SHIP, player->argp[2], NULL))
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return RET_SYN;
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natp = getnatp(player->cnum);
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cash = natp->nat_money;
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tlev = (int)natp->nat_level[NAT_TLEV];
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n = 0;
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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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getsect(ship.shp_x, ship.shp_y, §);
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if (sect.sct_own != player->cnum)
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continue;
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if (sect.sct_type != SCT_HARBR || sect.sct_effic < 60)
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continue;
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if (relations_with(ship.shp_own, sect.sct_own) < FRIENDLY) {
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pr("You are not on friendly terms with the owner of ship %d!\n",
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ship.shp_uid);
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continue;
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}
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n++;
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mp = &mchr[(int)ship.shp_type];
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avail = (SHP_BLD_WORK(mp->m_lcm, mp->m_hcm) * UPGR_COST + 99) / 100;
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if (sect.sct_avail < avail) {
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pr("Not enough available work in %s to upgrade a %s\n",
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xyas(sect.sct_x, sect.sct_y, player->cnum), mp->m_name);
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pr(" (%d available work required)\n", avail);
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continue;
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}
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if (ship.shp_effic < 60) {
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pr("%s is too damaged to upgrade!\n", prship(&ship));
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continue;
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}
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if (ship.shp_tech >= tlev) {
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pr("%s tech: %d, yours is only %d\n",
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prship(&ship), ship.shp_tech, tlev);
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continue;
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}
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cost = mp->m_cost * UPGR_COST / 100;
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if (cost + player->dolcost > cash) {
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pr("You don't have enough money to upgrade %s!\n",
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prship(&ship));
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continue;
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}
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sect.sct_avail -= avail;
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ship.shp_effic -= UPGR_EFF;
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shp_set_tech(&ship, tlev);
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ship.shp_mission = 0;
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putship(ship.shp_uid, &ship);
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putsect(§);
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player->dolcost += cost;
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pr("%s upgraded to tech %d, at a cost of %d\n",
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prship(&ship), ship.shp_tech, cost);
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if (ship.shp_own != player->cnum)
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wu(0, ship.shp_own,
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"%s upgraded by %s to tech %d, at a cost of %d\n",
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prship(&ship), cname(player->cnum), ship.shp_tech, cost);
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}
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if (n == 0) {
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pr("No ships\n");
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return RET_SYN;
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}
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return RET_OK;
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}
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static int
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pupgr(void)
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{
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struct sctstr sect;
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struct natstr *natp;
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struct nstr_item ni;
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struct plnstr plane;
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struct plchrstr *pp;
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int n;
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int tlev;
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int avail, cost;
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int cash;
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if (!snxtitem(&ni, EF_PLANE, player->argp[2], NULL))
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return RET_SYN;
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natp = getnatp(player->cnum);
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cash = natp->nat_money;
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tlev = (int)natp->nat_level[NAT_TLEV];
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n = 0;
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while (nxtitem(&ni, &plane)) {
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if (plane.pln_own == 0)
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continue;
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getsect(plane.pln_x, plane.pln_y, §);
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if (sect.sct_own != player->cnum)
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continue;
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if (sect.sct_type != SCT_AIRPT || sect.sct_effic < 60)
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continue;
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if (relations_with(plane.pln_own, sect.sct_own) < FRIENDLY) {
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pr("You are not on friendly terms with the owner of plane %d!\n",
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plane.pln_uid);
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continue;
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}
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if (pln_is_in_orbit(&plane)) {
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pr("Plane %s is in orbit!\n", prplane(&plane));
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continue;
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}
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if (plane.pln_flags & PLN_LAUNCHED)
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continue;
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n++;
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pp = &plchr[(int)plane.pln_type];
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avail = (PLN_BLD_WORK(pp->pl_lcm, pp->pl_hcm) * UPGR_COST + 99) / 100;
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if (sect.sct_avail < avail) {
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pr("Not enough available work in %s to upgrade a %s\n",
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xyas(sect.sct_x, sect.sct_y, player->cnum), pp->pl_name);
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pr(" (%d available work required)\n", avail);
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continue;
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}
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if (plane.pln_effic < 60) {
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pr("%s is too damaged to upgrade!\n", prplane(&plane));
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continue;
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}
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if (plane.pln_tech >= tlev) {
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pr("%s tech: %d, yours is only %d\n",
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prplane(&plane), plane.pln_tech, tlev);
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continue;
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}
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cost = pp->pl_cost * UPGR_COST / 100;
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if (cost + player->dolcost > cash) {
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pr("You don't have enough money to upgrade %s!\n",
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prplane(&plane));
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continue;
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}
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sect.sct_avail -= avail;
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plane.pln_effic -= UPGR_EFF;
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pln_set_tech(&plane, tlev);
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plane.pln_harden = 0;
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plane.pln_mission = 0;
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putplane(plane.pln_uid, &plane);
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putsect(§);
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player->dolcost += cost;
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pr("%s upgraded to tech %d, at a cost of %d\n",
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prplane(&plane), plane.pln_tech, cost);
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if (plane.pln_own != player->cnum)
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wu(0, plane.pln_own,
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"%s upgraded by %s to tech %d, at a cost of %d\n",
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prplane(&plane), cname(player->cnum), plane.pln_tech, cost);
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}
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if (n == 0) {
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pr("No planes.\n");
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return RET_SYN;
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}
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return RET_OK;
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}
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