241 lines
6.5 KiB
C
241 lines
6.5 KiB
C
/*
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* Empire - A multi-player, client/server Internet based war game.
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* Copyright (C) 1986-2006, Dave Pare, Jeff Bailey, Thomas Ruschak,
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* Ken Stevens, Steve McClure
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*
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* This program 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 2 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, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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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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* plane.c: Do production for planes
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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, 1998
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*/
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#include <config.h>
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#include "misc.h"
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#include "sect.h"
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#include "plane.h"
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#include "ship.h"
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#include "nat.h"
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#include "file.h"
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#include "optlist.h"
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#include "budg.h"
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#include "player.h"
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#include "update.h"
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#include "lost.h"
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#include "subs.h"
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#include "common.h"
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#include "gen.h"
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static void planerepair(struct plnstr *, struct natstr *, int *, int);
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static void upd_plane(struct plnstr *, int, struct natstr *, int *, int);
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int
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prod_plane(int etus, int natnum, int *bp, int buildem)
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/* Build = 1, maintain =0 */
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{
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struct plnstr *pp;
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struct natstr *np;
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int n, k = 0;
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int start_money;
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for (n = 0; NULL != (pp = getplanep(n)); n++) {
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if (pp->pln_own == 0)
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continue;
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if (pp->pln_own != natnum)
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continue;
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if (pp->pln_effic < PLANE_MINEFF) {
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makelost(EF_PLANE, pp->pln_own, pp->pln_uid,
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pp->pln_x, pp->pln_y);
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pp->pln_own = 0;
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continue;
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}
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if (pp->pln_flags & PLN_LAUNCHED) {
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if (!player->simulation && buildem == 0
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&& !(pp->pln_flags & PLN_SYNCHRONOUS))
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move_sat(pp);
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continue;
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}
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np = getnatp(pp->pln_own);
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start_money = np->nat_money;
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upd_plane(pp, etus, np, bp, buildem);
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air_money[pp->pln_own] += np->nat_money - start_money;
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if (buildem == 0 || np->nat_money != start_money)
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k++;
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if (player->simulation)
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np->nat_money = start_money;
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}
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return k;
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}
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static void
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upd_plane(struct plnstr *pp, int etus,
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struct natstr *np, int *bp, int build)
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{
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struct plchrstr *pcp = &plchr[(int)pp->pln_type];
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int mult, cost, eff;
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if (build == 1) {
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if (np->nat_priorities[PRI_PBUILD] == 0 || np->nat_money < 0)
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return;
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planerepair(pp, np, bp, etus);
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} else {
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mult = 1;
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if (np->nat_level[NAT_TLEV] < pp->pln_tech * 0.85)
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mult = 2;
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cost = -(mult * etus * MIN(0.0, pcp->pl_cost * money_plane));
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if ((np->nat_priorities[PRI_PMAINT] == 0 || np->nat_money < cost)
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&& !player->simulation) {
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if ((eff = pp->pln_effic - etus / 5) < PLANE_MINEFF) {
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wu(0, pp->pln_own,
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"%s lost to lack of maintenance\n", prplane(pp));
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makelost(EF_PLANE, pp->pln_own, pp->pln_uid,
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pp->pln_x, pp->pln_y);
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pp->pln_own = 0;
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return;
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}
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wu(0, pp->pln_own,
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"%s lost %d%% to lack of maintenance\n",
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prplane(pp), pp->pln_effic - eff);
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pp->pln_effic = eff;
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} else {
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np->nat_money -= cost;
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}
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/* flight pay is 5x the pay received by other military */
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np->nat_money += etus * pcp->pl_crew * money_mil * 5;
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}
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}
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static void
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planerepair(struct plnstr *pp, struct natstr *np, int *bp, int etus)
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{
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float leftp, buildp;
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int left, build;
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int mil_needed, lcm_needed, hcm_needed;
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int mvec[I_MAX + 1];
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struct shpstr *carrier;
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struct plchrstr *pcp = &plchr[(int)pp->pln_type];
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struct sctstr *sp = getsectp(pp->pln_x, pp->pln_y);
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int delta;
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int mult;
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int avail;
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int w_p_eff;
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int used;
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carrier = NULL;
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if (pp->pln_ship >= 0) {
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if (pp->pln_effic >= 80)
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return;
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carrier = getshipp(pp->pln_ship);
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if (CANT_HAPPEN(!carrier || carrier->shp_own != pp->pln_own))
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return;
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}
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if (sp->sct_off)
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return;
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mult = 1;
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if (np->nat_level[NAT_TLEV] < pp->pln_tech * 0.85)
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mult = 2;
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if (pp->pln_effic == 100)
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return;
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if (!player->simulation)
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avail = sp->sct_avail * 100;
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else
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avail = gt_bg_nmbr(bp, sp, I_MAX + 1) * 100;
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if (carrier)
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avail += etus * carrier->shp_item[I_MILIT] / 2;
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w_p_eff = PLN_BLD_WORK(pcp->pl_lcm, pcp->pl_hcm);
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delta = roundavg((double)avail / w_p_eff);
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if (delta <= 0)
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return;
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if (delta > (int)((float)etus * plane_grow_scale))
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delta = (int)((float)etus * plane_grow_scale);
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/* delta is the max amount we can grow */
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left = 100 - pp->pln_effic;
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if (left > delta)
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left = delta;
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leftp = left / 100.0;
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memset(mvec, 0, sizeof(mvec));
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mvec[I_MILIT] = mil_needed = ldround(pcp->pl_crew * leftp, 1);
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mvec[I_LCM] = lcm_needed = ldround(pcp->pl_lcm * leftp, 1);
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mvec[I_HCM] = hcm_needed = ldround(pcp->pl_hcm * leftp, 1);
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get_materials(sp, bp, mvec, 0);
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buildp = leftp;
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if (mvec[I_MILIT] < mil_needed)
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buildp = MIN(buildp, (float)mvec[I_MILIT] / (float)pcp->pl_crew);
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if (mvec[I_LCM] < lcm_needed)
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buildp = MIN(buildp, (float)mvec[I_LCM] / (float)pcp->pl_lcm);
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if (mvec[I_HCM] < hcm_needed)
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buildp = MIN(buildp, (float)mvec[I_HCM] / (float)pcp->pl_hcm);
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build = ldround(buildp * 100.0, 1);
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memset(mvec, 0, sizeof(mvec));
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mvec[I_MILIT] = roundavg(pcp->pl_crew * buildp);
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mvec[I_LCM] = roundavg(pcp->pl_lcm * buildp);
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mvec[I_HCM] = roundavg(pcp->pl_hcm * buildp);
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get_materials(sp, bp, mvec, 1);
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if (carrier)
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build = delta;
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used = build * w_p_eff;
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/*
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* I didn't use roundavg here, because I want to
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* penalize the player with a large number of planes.
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*/
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if (!player->simulation)
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avail = (sp->sct_avail * 100 - used) / 100;
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else
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avail = (gt_bg_nmbr(bp, sp, I_MAX + 1) * 100 - used) / 100;
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if (avail < 0)
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avail = 0;
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if (!player->simulation)
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sp->sct_avail = avail;
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else
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pt_bg_nmbr(bp, sp, I_MAX + 1, avail);
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if (sp->sct_type != SCT_AIRPT)
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build /= 3;
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if (carrier) {
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if ((pp->pln_effic + build) > 80)
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build = 80 - pp->pln_effic;
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}
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np->nat_money -= mult * build * pcp->pl_cost / 100.0;
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if (!player->simulation)
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pp->pln_effic += (signed char)build;
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}
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