2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2016, Dave Pare, Jeff Bailey, Thomas Ruschak,
4 * Ken Stevens, Steve McClure, Markus Armbruster
6 * Empire is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
21 * See files README, COPYING and CREDITS in the root of the source
22 * tree for related information and legal notices. It is expected
23 * that future projects/authors will amend these files as needed.
27 * plane.c: Do production for planes
29 * Known contributors to this file:
32 * Markus Armbruster, 2006-2016
43 #include "prototypes.h"
47 static void upd_plane(struct plnstr *, int, struct bp *, int);
48 static void planerepair(struct plnstr *, struct natstr *, struct bp *,
49 int, struct budget *);
51 void prep_planes(int etus)
57 for (i = 0; (pp = getplanep(i)); i++) {
60 if (pp->pln_effic < PLANE_MINEFF) {
61 makelost(EF_PLANE, pp->pln_own, pp->pln_uid,
62 pp->pln_x, pp->pln_y);
67 mil = plchr[pp->pln_type].pl_mat[I_MILIT];
68 /* flight pay is 5x the pay received by other military */
69 mil_pay = mil * etus * money_mil * 5;
70 nat_budget[pp->pln_own].bm[BUDG_PLN_MAINT].money += mil_pay;
71 nat_budget[pp->pln_own].money += mil_pay;
76 prod_plane(int etus, struct bp *bp, int buildem)
77 /* Build = 1, maintain =0 */
82 for (i = 0; (pp = getplanep(i)); i++) {
85 upd_plane(pp, etus, bp, buildem);
90 upd_plane(struct plnstr *pp, int etus, struct bp *bp, int build)
92 struct budget *budget = &nat_budget[pp->pln_own];
93 struct plchrstr *pcp = &plchr[pp->pln_type];
94 struct natstr *np = getnatp(pp->pln_own);
99 if (!pp->pln_off && budget->money >= 0)
100 planerepair(pp, np, bp, etus, budget);
101 if (!player->simulation)
105 if (np->nat_level[NAT_TLEV] < pp->pln_tech * 0.85)
107 budget->bm[BUDG_PLN_MAINT].count++;
108 cost = mult * etus * -money_plane * pcp->pl_cost;
109 if (budget->money < cost && !player->simulation) {
111 if (pp->pln_effic - eff_lost < PLANE_MINEFF)
112 eff_lost = pp->pln_effic - PLANE_MINEFF;
114 wu(0, pp->pln_own, "%s lost %d%% to lack of maintenance\n",
115 prplane(pp), eff_lost);
116 pp->pln_effic -= eff_lost;
119 budget->bm[BUDG_PLN_MAINT].money -= cost;
120 budget->money -= cost;
123 if (pln_is_in_orbit(pp) && !(pp->pln_flags & PLN_SYNCHRONOUS)) {
124 if (!player->simulation)
131 planerepair(struct plnstr *pp, struct natstr *np, struct bp *bp, int etus,
132 struct budget *budget)
134 struct plchrstr *pcp = &plchr[(int)pp->pln_type];
136 struct shpstr *carrier;
137 struct sctstr *sp, scratch_sect;
144 if (pp->pln_effic == 100)
147 sp = getsectp(pp->pln_x, pp->pln_y);
152 if (pp->pln_ship >= 0) {
153 if (pp->pln_effic >= 80)
155 carrier = getshipp(pp->pln_ship);
156 if (CANT_HAPPEN(!carrier))
158 if (carrier->shp_off)
160 if (relations_with(carrier->shp_own, pp->pln_own) != ALLIED)
163 if (relations_with(sp->sct_own, pp->pln_own) != ALLIED)
167 if (player->simulation) {
169 bp_to_sect(bp, &scratch_sect);
174 if (np->nat_level[NAT_TLEV] < pp->pln_tech * 0.85)
177 avail = sp->sct_avail * 100;
179 avail += etus * carrier->shp_item[I_MILIT] / 2;
181 delta = avail / pcp->pl_bwork;
184 if (delta > (int)((float)etus * plane_grow_scale))
185 delta = (int)((float)etus * plane_grow_scale);
186 if (delta > 100 - pp->pln_effic)
187 delta = 100 - pp->pln_effic;
189 build = get_materials(sp, pcp->pl_mat, delta);
194 used = build * pcp->pl_bwork;
195 avail = roundavg((sp->sct_avail * 100 - used) / 100.0);
198 sp->sct_avail = avail;
200 if (sp->sct_type != SCT_AIRPT)
203 if ((pp->pln_effic + build) > 80)
204 build = 80 - pp->pln_effic;
207 bp_set_from_sect(bp, sp);
208 cost = mult * pcp->pl_cost * build / 100.0;
209 budget->bm[BUDG_PLN_BUILD].count += !!build;
210 budget->bm[BUDG_PLN_BUILD].money -= cost;
211 budget->money -= cost;
212 if (!player->simulation)
213 pp->pln_effic += (signed char)build;