2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2017, 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, struct bp *bp)
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 bp_consider_unit(bp, (struct empobj *)pp);
68 mil = plchr[pp->pln_type].pl_mat[I_MILIT];
69 /* flight pay is 5x the pay received by other military */
70 mil_pay = mil * etus * money_mil * 5;
71 nat_budget[pp->pln_own].bm[BUDG_PLN_MAINT].money += mil_pay;
72 nat_budget[pp->pln_own].money += mil_pay;
77 prod_plane(int etus, struct bp *bp, int buildem)
78 /* Build = 1, maintain =0 */
83 for (i = 0; (pp = getplanep(i)); i++) {
86 if (bp_skip_unit(bp, (struct empobj *)pp))
88 upd_plane(pp, etus, bp, buildem);
93 upd_plane(struct plnstr *pp, int etus, struct bp *bp, int build)
95 struct budget *budget = &nat_budget[pp->pln_own];
96 struct plchrstr *pcp = &plchr[pp->pln_type];
97 struct natstr *np = getnatp(pp->pln_own);
102 if (!pp->pln_off && budget->money >= 0)
103 planerepair(pp, np, bp, etus, budget);
104 if (!player->simulation)
108 if (np->nat_level[NAT_TLEV] < pp->pln_tech * 0.85)
110 budget->bm[BUDG_PLN_MAINT].count++;
111 cost = mult * etus * -money_plane * pcp->pl_cost;
112 if (budget->money < cost && !player->simulation) {
114 if (pp->pln_effic - eff_lost < PLANE_MINEFF)
115 eff_lost = pp->pln_effic - PLANE_MINEFF;
117 wu(0, pp->pln_own, "%s lost %d%% to lack of maintenance\n",
118 prplane(pp), eff_lost);
119 pp->pln_effic -= eff_lost;
122 budget->bm[BUDG_PLN_MAINT].money -= cost;
123 budget->money -= cost;
126 if (pln_is_in_orbit(pp) && !(pp->pln_flags & PLN_SYNCHRONOUS)) {
127 if (!player->simulation)
134 planerepair(struct plnstr *pp, struct natstr *np, struct bp *bp, int etus,
135 struct budget *budget)
137 struct plchrstr *pcp = &plchr[(int)pp->pln_type];
139 struct shpstr *carrier;
140 struct sctstr *sp, scratch_sect;
147 if (pp->pln_effic == 100)
150 sp = getsectp(pp->pln_x, pp->pln_y);
155 if (pp->pln_ship >= 0) {
156 if (pp->pln_effic >= 80)
158 carrier = getshipp(pp->pln_ship);
159 if (CANT_HAPPEN(!carrier))
161 if (carrier->shp_off)
163 if (relations_with(carrier->shp_own, pp->pln_own) != ALLIED)
166 if (relations_with(sp->sct_own, pp->pln_own) != ALLIED)
170 if (player->simulation) {
172 bp_to_sect(bp, &scratch_sect);
177 if (np->nat_level[NAT_TLEV] < pp->pln_tech * 0.85)
180 avail = sp->sct_avail * 100;
182 avail += etus * carrier->shp_item[I_MILIT] / 2;
184 delta = avail / pcp->pl_bwork;
187 if (delta > (int)((float)etus * plane_grow_scale))
188 delta = (int)((float)etus * plane_grow_scale);
189 if (delta > 100 - pp->pln_effic)
190 delta = 100 - pp->pln_effic;
192 build = get_materials(sp, pcp->pl_mat, delta);
197 used = build * pcp->pl_bwork;
198 avail = roundavg((sp->sct_avail * 100 - used) / 100.0);
201 sp->sct_avail = avail;
203 if (sp->sct_type != SCT_AIRPT)
206 if ((pp->pln_effic + build) > 80)
207 build = 80 - pp->pln_effic;
210 bp_set_from_sect(bp, sp);
211 cost = mult * pcp->pl_cost * build / 100.0;
212 budget->bm[BUDG_PLN_BUILD].count += !!build;
213 budget->bm[BUDG_PLN_BUILD].money -= cost;
214 budget->money -= cost;
215 if (!player->simulation)
216 pp->pln_effic += (signed char)build;