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
44 #include "prototypes.h"
48 static void upd_plane(struct plnstr *, int, struct bp *, int);
49 static void planerepair(struct plnstr *, struct natstr *, struct bp *,
50 int, struct budget *);
53 prod_plane(int etus, int natnum, struct bp *bp, int buildem)
54 /* Build = 1, maintain =0 */
59 for (i = 0; (pp = getplanep(i)); i++) {
62 if (pp->pln_own != natnum)
64 if (pp->pln_effic < PLANE_MINEFF) {
65 makelost(EF_PLANE, pp->pln_own, pp->pln_uid,
66 pp->pln_x, pp->pln_y);
71 if (pln_is_in_orbit(pp)) {
72 if (!player->simulation && buildem == 0
73 && !(pp->pln_flags & PLN_SYNCHRONOUS))
78 upd_plane(pp, etus, bp, buildem);
83 upd_plane(struct plnstr *pp, int etus, struct bp *bp, int build)
85 struct budget *budget = &nat_budget[pp->pln_own];
86 struct plchrstr *pcp = &plchr[pp->pln_type];
87 struct natstr *np = getnatp(pp->pln_own);
88 int mult, cost, eff_lost;
91 if (!pp->pln_off && budget->money >= 0)
92 planerepair(pp, np, bp, etus, budget);
93 if (!player->simulation)
97 if (np->nat_level[NAT_TLEV] < pp->pln_tech * 0.85)
99 budget->bm[BUDG_PLN_MAINT].count++;
100 cost = -(mult * etus * MIN(0.0, pcp->pl_cost * money_plane));
101 if (budget->money < cost && !player->simulation) {
103 if (pp->pln_effic - eff_lost < PLANE_MINEFF)
104 eff_lost = pp->pln_effic - PLANE_MINEFF;
106 wu(0, pp->pln_own, "%s lost %d%% to lack of maintenance\n",
107 prplane(pp), eff_lost);
108 pp->pln_effic -= eff_lost;
111 budget->bm[BUDG_PLN_MAINT].money -= cost;
112 budget->money -= cost;
114 /* flight pay is 5x the pay received by other military */
115 cost = etus * pcp->pl_mat[I_MILIT] * -money_mil * 5;
116 budget->bm[BUDG_PLN_MAINT].money -= cost;
117 budget->money -= cost;
122 planerepair(struct plnstr *pp, struct natstr *np, struct bp *bp, int etus,
123 struct budget *budget)
125 struct plchrstr *pcp = &plchr[(int)pp->pln_type];
127 struct shpstr *carrier;
128 struct sctstr *sp, scratch_sect;
135 if (pp->pln_effic == 100)
138 sp = getsectp(pp->pln_x, pp->pln_y);
143 if (pp->pln_ship >= 0) {
144 if (pp->pln_effic >= 80)
146 carrier = getshipp(pp->pln_ship);
147 if (CANT_HAPPEN(!carrier))
149 if (carrier->shp_off)
151 if (relations_with(carrier->shp_own, pp->pln_own) != ALLIED)
154 if (relations_with(sp->sct_own, pp->pln_own) != ALLIED)
158 if (player->simulation) {
160 bp_to_sect(bp, &scratch_sect);
165 if (np->nat_level[NAT_TLEV] < pp->pln_tech * 0.85)
168 avail = sp->sct_avail * 100;
170 avail += etus * carrier->shp_item[I_MILIT] / 2;
172 delta = avail / pcp->pl_bwork;
175 if (delta > (int)((float)etus * plane_grow_scale))
176 delta = (int)((float)etus * plane_grow_scale);
177 if (delta > 100 - pp->pln_effic)
178 delta = 100 - pp->pln_effic;
180 build = get_materials(sp, pcp->pl_mat, delta);
185 used = build * pcp->pl_bwork;
186 avail = roundavg((sp->sct_avail * 100 - used) / 100.0);
189 sp->sct_avail = avail;
191 if (sp->sct_type != SCT_AIRPT)
194 if ((pp->pln_effic + build) > 80)
195 build = 80 - pp->pln_effic;
198 bp_set_from_sect(bp, sp);
199 cost = roundavg(mult * build * pcp->pl_cost / 100.0);
200 budget->bm[BUDG_PLN_BUILD].count += !!build;
201 budget->bm[BUDG_PLN_BUILD].money -= cost;
202 budget->money -= cost;
203 if (!player->simulation)
204 pp->pln_effic += (signed char)build;