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 natstr *, 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 */
61 for (i = 0; (pp = getplanep(i)); i++) {
64 if (pp->pln_own != natnum)
66 if (pp->pln_effic < PLANE_MINEFF) {
67 makelost(EF_PLANE, pp->pln_own, pp->pln_uid,
68 pp->pln_x, pp->pln_y);
73 if (pln_is_in_orbit(pp)) {
74 if (!player->simulation && buildem == 0
75 && !(pp->pln_flags & PLN_SYNCHRONOUS))
80 np = getnatp(pp->pln_own);
81 start_money = np->nat_money;
82 upd_plane(pp, etus, np, bp, buildem);
83 if (player->simulation)
84 np->nat_money = start_money;
89 upd_plane(struct plnstr *pp, int etus,
90 struct natstr *np, struct bp *bp, int build)
92 struct budget *budget = &nat_budget[pp->pln_own];
93 struct plchrstr *pcp = &plchr[(int)pp->pln_type];
94 int mult, cost, eff_lost;
97 if (!pp->pln_off && np->nat_money >= 0)
98 planerepair(pp, np, bp, etus, budget);
99 if (!player->simulation)
103 if (np->nat_level[NAT_TLEV] < pp->pln_tech * 0.85)
105 budget->bm[BUDG_PLN_MAINT].count++;
106 cost = -(mult * etus * MIN(0.0, pcp->pl_cost * money_plane));
107 if (np->nat_money < cost && !player->simulation) {
109 if (pp->pln_effic - eff_lost < PLANE_MINEFF)
110 eff_lost = pp->pln_effic - PLANE_MINEFF;
112 wu(0, pp->pln_own, "%s lost %d%% to lack of maintenance\n",
113 prplane(pp), eff_lost);
114 pp->pln_effic -= eff_lost;
117 budget->bm[BUDG_PLN_MAINT].money -= cost;
118 np->nat_money -= cost;
120 /* flight pay is 5x the pay received by other military */
121 cost = etus * pcp->pl_mat[I_MILIT] * -money_mil * 5;
122 budget->bm[BUDG_PLN_MAINT].money -= cost;
123 np->nat_money -= cost;
128 planerepair(struct plnstr *pp, struct natstr *np, struct bp *bp, int etus,
129 struct budget *budget)
131 struct plchrstr *pcp = &plchr[(int)pp->pln_type];
133 struct shpstr *carrier;
134 struct sctstr *sp, scratch_sect;
141 if (pp->pln_effic == 100)
144 sp = getsectp(pp->pln_x, pp->pln_y);
149 if (pp->pln_ship >= 0) {
150 if (pp->pln_effic >= 80)
152 carrier = getshipp(pp->pln_ship);
153 if (CANT_HAPPEN(!carrier))
155 if (carrier->shp_off)
157 if (relations_with(carrier->shp_own, pp->pln_own) != ALLIED)
160 if (relations_with(sp->sct_own, pp->pln_own) != ALLIED)
164 if (player->simulation) {
166 bp_to_sect(bp, &scratch_sect);
171 if (np->nat_level[NAT_TLEV] < pp->pln_tech * 0.85)
174 avail = sp->sct_avail * 100;
176 avail += etus * carrier->shp_item[I_MILIT] / 2;
178 delta = avail / pcp->pl_bwork;
181 if (delta > (int)((float)etus * plane_grow_scale))
182 delta = (int)((float)etus * plane_grow_scale);
183 if (delta > 100 - pp->pln_effic)
184 delta = 100 - pp->pln_effic;
186 build = get_materials(sp, pcp->pl_mat, delta);
191 used = build * pcp->pl_bwork;
192 avail = roundavg((sp->sct_avail * 100 - used) / 100.0);
195 sp->sct_avail = avail;
197 if (sp->sct_type != SCT_AIRPT)
200 if ((pp->pln_effic + build) > 80)
201 build = 80 - pp->pln_effic;
204 bp_set_from_sect(bp, sp);
205 cost = roundavg(mult * build * pcp->pl_cost / 100.0);
206 budget->bm[BUDG_PLN_BUILD].count += !!build;
207 budget->bm[BUDG_PLN_BUILD].money -= cost;
208 np->nat_money -= cost;
209 if (!player->simulation) {
210 pp->pln_effic += (signed char)build;