2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2013, 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, 2006-2011
44 static void planerepair(struct plnstr *, struct natstr *, struct bp *, int);
45 static void upd_plane(struct plnstr *, int, struct natstr *, struct bp *, int);
48 prod_plane(int etus, int natnum, struct bp *bp, int buildem)
49 /* Build = 1, maintain =0 */
56 for (n = 0; NULL != (pp = getplanep(n)); n++) {
59 if (pp->pln_own != natnum)
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 if (pln_is_in_orbit(pp)) {
69 if (!player->simulation && buildem == 0
70 && !(pp->pln_flags & PLN_SYNCHRONOUS))
75 np = getnatp(pp->pln_own);
76 start_money = np->nat_money;
77 upd_plane(pp, etus, np, bp, buildem);
78 air_money[pp->pln_own] += np->nat_money - start_money;
79 if (buildem == 0 || np->nat_money != start_money)
81 if (player->simulation)
82 np->nat_money = start_money;
89 upd_plane(struct plnstr *pp, int etus,
90 struct natstr *np, struct bp *bp, int build)
92 struct plchrstr *pcp = &plchr[(int)pp->pln_type];
93 int mult, cost, eff_lost;
96 if (!pp->pln_off && np->nat_money >= 0)
97 planerepair(pp, np, bp, etus);
98 if (!player->simulation)
102 if (np->nat_level[NAT_TLEV] < pp->pln_tech * 0.85)
104 cost = -(mult * etus * MIN(0.0, pcp->pl_cost * money_plane));
105 if (np->nat_money < cost && !player->simulation) {
107 if (pp->pln_effic - eff_lost < PLANE_MINEFF)
108 eff_lost = pp->pln_effic - PLANE_MINEFF;
110 wu(0, pp->pln_own, "%s lost %d%% to lack of maintenance\n",
111 prplane(pp), eff_lost);
112 pp->pln_effic -= eff_lost;
115 np->nat_money -= cost;
117 /* flight pay is 5x the pay received by other military */
118 np->nat_money += etus * pcp->pl_crew * money_mil * 5;
123 planerepair(struct plnstr *pp, struct natstr *np, struct bp *bp, int etus)
127 struct shpstr *carrier;
128 struct plchrstr *pcp = &plchr[(int)pp->pln_type];
129 struct sctstr *sp = getsectp(pp->pln_x, pp->pln_y);
137 if (pp->pln_ship >= 0) {
138 if (pp->pln_effic >= 80)
140 carrier = getshipp(pp->pln_ship);
141 if (CANT_HAPPEN(!carrier))
143 if (carrier->shp_off)
145 if (relations_with(carrier->shp_own, pp->pln_own) != ALLIED)
148 if (relations_with(sp->sct_own, pp->pln_own) != ALLIED)
155 if (np->nat_level[NAT_TLEV] < pp->pln_tech * 0.85)
158 if (pp->pln_effic == 100)
161 if (!player->simulation)
162 avail = sp->sct_avail * 100;
164 avail = bp_get_avail(bp, sp) * 100;
166 avail += etus * carrier->shp_item[I_MILIT] / 2;
168 w_p_eff = PLN_BLD_WORK(pcp->pl_lcm, pcp->pl_hcm);
169 delta = roundavg((double)avail / w_p_eff);
172 if (delta > (int)((float)etus * plane_grow_scale))
173 delta = (int)((float)etus * plane_grow_scale);
174 if (delta > 100 - pp->pln_effic)
175 delta = 100 - pp->pln_effic;
177 memset(mvec, 0, sizeof(mvec));
178 mvec[I_MILIT] = pcp->pl_crew;
179 mvec[I_LCM] = pcp->pl_lcm;
180 mvec[I_HCM] = pcp->pl_hcm;
181 build = get_materials(sp, bp, mvec, delta);
186 used = build * w_p_eff;
188 * I didn't use roundavg here, because I want to
189 * penalize the player with a large number of planes.
191 if (!player->simulation)
192 avail = (sp->sct_avail * 100 - used) / 100;
194 avail = (bp_get_avail(bp, sp) * 100 - used) / 100;
198 if (!player->simulation)
199 sp->sct_avail = avail;
201 bp_put_avail(bp, sp, avail);
203 if (sp->sct_type != SCT_AIRPT)
206 if ((pp->pln_effic + build) > 80)
207 build = 80 - pp->pln_effic;
210 np->nat_money -= mult * build * pcp->pl_cost / 100.0;
212 if (!player->simulation)
213 pp->pln_effic += (signed char)build;