282 lines
7.5 KiB
C
282 lines
7.5 KiB
C
/*
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* Empire - A multi-player, client/server Internet based war game.
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* Copyright (C) 1986-2000, 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 the "LEGAL", "LICENSE", "CREDITS" and "README" files for all the
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* related information and legal notices. It is expected that any future
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* 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 "misc.h"
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#include "var.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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#ifndef MIN
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#define MIN(x,y) ((x) > (y) ? (y) : (x))
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#endif
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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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extern double money_mil;
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extern double money_plane;
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extern int plane_grow_scale;
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extern long air_money[MAXNOC];
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register struct plnstr *pp;
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register struct plchrstr *plp;
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struct natstr *np;
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float leftp, buildp;
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int left, build;
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int lcm_needed,hcm_needed;
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int mil_needed;
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int svec[I_MAX+1];
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int mvec[I_MAX+1];
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int n, k=0;
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struct shpstr *shp;
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struct plchrstr *desc;
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struct sctstr *sp;
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int delta;
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int mult;
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int cost;
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int eff;
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int avail;
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int w_p_eff;
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int used;
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int start_money, onship=0;
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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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plp = &plchr[(int)pp->pln_type];
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if (pp->pln_flags & PLN_LAUNCHED) {
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if (opt_ORBIT && (buildem == 0)) {
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if ((!player->simulation) &&
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(plp->pl_flags & P_O) &&
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(pp->pln_flags & PLN_LAUNCHED) &&
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!(plp->pl_flags & P_M) &&
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!(pp->pln_flags & PLN_SYNCHRONOUS))
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move_sat(pp);
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}
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continue;
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}
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onship = 0;
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shp = (struct shpstr *)0;
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if (pp->pln_ship >= 0 && (buildem == 1)) {
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if (pp->pln_effic >= 80)
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continue;
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onship = 1;
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shp = getshipp(pp->pln_ship);
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if (shp == 0 || shp->shp_own != pp->pln_own) {
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/* nplane is unsigned... */
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if (shp->shp_nplane > 0)
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shp->shp_nplane --;
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makelost(EF_PLANE, pp->pln_own, pp->pln_uid, 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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}
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np = getnatp(pp->pln_own);
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desc = &plchr[(int)pp->pln_type];
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sp = getsectp(pp->pln_x, pp->pln_y);
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getvec(VT_ITEM, svec, (s_char *)sp, EF_SECTOR);
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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 (buildem == 0) {
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/* flight pay is 5x the pay received by other military */
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start_money = np->nat_money;
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cost = -(mult * etus *
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dmin(0.0, desc->pl_cost * money_plane));
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if ((np->nat_priorities[PRI_PMAINT] == 0 ||
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np->nat_money < cost) && !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",
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prplane(pp));
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makelost(EF_PLANE, pp->pln_own, pp->pln_uid, 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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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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np->nat_money += (etus * plp->pl_crew * money_mil * 5);
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air_money[pp->pln_own] += 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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if ((pp->pln_flags & PLN_LAUNCHED) == PLN_LAUNCHED)
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continue;
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}else{
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if (sp->sct_off)
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continue;
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if (np->nat_priorities[PRI_PBUILD] == 0 ||
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np->nat_money < 0)
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continue;
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start_money = np->nat_money;
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left = 100 - pp->pln_effic;
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if (left <= 0)
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continue;
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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 (pp->pln_ship >= 0) {
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int vec[I_MAX+1];
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shp = getshipp(pp->pln_ship);
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getvec(VT_ITEM, vec, (s_char *)shp, EF_SHIP);
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avail += (etus * vec[I_MILIT]/2);
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}
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w_p_eff = 20 + (desc->pl_lcm + 2 * desc->pl_hcm);
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delta = roundavg((double)avail/w_p_eff);
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if (delta <= 0)
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continue;
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if (delta > etus*plane_grow_scale)
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delta = etus*plane_grow_scale;
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if (delta > left)
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delta = left;
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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 = ((float)left/100.0);
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bzero((s_char *)mvec, sizeof(mvec));
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mvec[I_MILIT] = mil_needed =
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ldround((double)(plp->pl_crew * leftp),1);
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mvec[I_LCM] = lcm_needed =
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ldround((double)(plp->pl_lcm * leftp),1);
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mvec[I_HCM] = hcm_needed =
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ldround((double)(plp->pl_hcm * leftp),1);
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get_materials(sp, bp, mvec, 0);
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if (mvec[I_MILIT]>=mil_needed)
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buildp=leftp;
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else
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buildp=((float)mvec[I_MILIT]/(float)plp->pl_crew);
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if (mvec[I_LCM] < lcm_needed)
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buildp = MIN(buildp,((float)mvec[I_LCM]/
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(float)plp->pl_lcm));
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if (mvec[I_HCM] < hcm_needed)
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buildp = MIN(buildp,((float)mvec[I_HCM]/
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(float)plp->pl_hcm));
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build=ldround((double)(buildp*100.0),1);
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bzero((s_char *)mvec, sizeof(mvec));
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mvec[I_MILIT] = mil_needed =
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roundavg((double)(plp->pl_crew * buildp));
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mvec[I_LCM] = lcm_needed =
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roundavg((double)(plp->pl_lcm * buildp));
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mvec[I_HCM] = hcm_needed =
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roundavg((double)(plp->pl_hcm * buildp));
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get_materials(sp, bp, mvec, 1);
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if (onship) 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 (onship){
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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 -= roundavg(mult * build *
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desc->pl_cost / 100.0);
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air_money[pp->pln_own] += np->nat_money - start_money;
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if (!player->simulation)
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pp->pln_effic += (s_char)build;
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else
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np->nat_money = start_money;
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k++;
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}
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}
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return k;
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}
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