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 *);
52 void prep_planes(int etus)
58 for (i = 0; (pp = getplanep(i)); i++) {
61 if (pp->pln_effic < PLANE_MINEFF) {
62 makelost(EF_PLANE, pp->pln_own, pp->pln_uid,
63 pp->pln_x, pp->pln_y);
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 upd_plane(pp, etus, bp, buildem);
91 upd_plane(struct plnstr *pp, int etus, struct bp *bp, int build)
93 struct budget *budget = &nat_budget[pp->pln_own];
94 struct plchrstr *pcp = &plchr[pp->pln_type];
95 struct natstr *np = getnatp(pp->pln_own);
100 if (!pp->pln_off && budget->money >= 0)
101 planerepair(pp, np, bp, etus, budget);
102 if (!player->simulation)
106 if (np->nat_level[NAT_TLEV] < pp->pln_tech * 0.85)
108 budget->bm[BUDG_PLN_MAINT].count++;
109 cost = mult * etus * -money_plane * pcp->pl_cost;
110 if (budget->money < cost && !player->simulation) {
112 if (pp->pln_effic - eff_lost < PLANE_MINEFF)
113 eff_lost = pp->pln_effic - PLANE_MINEFF;
115 wu(0, pp->pln_own, "%s lost %d%% to lack of maintenance\n",
116 prplane(pp), eff_lost);
117 pp->pln_effic -= eff_lost;
120 budget->bm[BUDG_PLN_MAINT].money -= cost;
121 budget->money -= cost;
124 if (pln_is_in_orbit(pp) && !(pp->pln_flags & PLN_SYNCHRONOUS)) {
125 if (!player->simulation)
132 planerepair(struct plnstr *pp, struct natstr *np, struct bp *bp, int etus,
133 struct budget *budget)
135 struct plchrstr *pcp = &plchr[(int)pp->pln_type];
137 struct shpstr *carrier;
138 struct sctstr *sp, scratch_sect;
145 if (pp->pln_effic == 100)
148 sp = getsectp(pp->pln_x, pp->pln_y);
153 if (pp->pln_ship >= 0) {
154 if (pp->pln_effic >= 80)
156 carrier = getshipp(pp->pln_ship);
157 if (CANT_HAPPEN(!carrier))
159 if (carrier->shp_off)
161 if (relations_with(carrier->shp_own, pp->pln_own) != ALLIED)
164 if (relations_with(sp->sct_own, pp->pln_own) != ALLIED)
168 if (player->simulation) {
170 bp_to_sect(bp, &scratch_sect);
175 if (np->nat_level[NAT_TLEV] < pp->pln_tech * 0.85)
178 avail = sp->sct_avail * 100;
180 avail += etus * carrier->shp_item[I_MILIT] / 2;
182 delta = avail / pcp->pl_bwork;
185 if (delta > (int)((float)etus * plane_grow_scale))
186 delta = (int)((float)etus * plane_grow_scale);
187 if (delta > 100 - pp->pln_effic)
188 delta = 100 - pp->pln_effic;
190 build = get_materials(sp, pcp->pl_mat, delta);
195 used = build * pcp->pl_bwork;
196 avail = roundavg((sp->sct_avail * 100 - used) / 100.0);
199 sp->sct_avail = avail;
201 if (sp->sct_type != SCT_AIRPT)
204 if ((pp->pln_effic + build) > 80)
205 build = 80 - pp->pln_effic;
208 bp_set_from_sect(bp, sp);
209 cost = mult * pcp->pl_cost * build / 100.0;
210 budget->bm[BUDG_PLN_BUILD].count += !!build;
211 budget->bm[BUDG_PLN_BUILD].money -= cost;
212 budget->money -= cost;
213 if (!player->simulation)
214 pp->pln_effic += (signed char)build;