/* * Empire - A multi-player, client/server Internet based war game. * Copyright (C) 1986-2005, Dave Pare, Jeff Bailey, Thomas Ruschak, * Ken Stevens, Steve McClure * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * --- * * See the "LEGAL", "LICENSE", "CREDITS" and "README" files for all the * related information and legal notices. It is expected that any future * projects/authors will amend these files as needed. * * --- * * plane.c: Do production for planes * * Known contributors to this file: * Dave Pare, 1986 * Steve McClure, 1998 */ #include #include "misc.h" #include "sect.h" #include "plane.h" #include "ship.h" #include "nat.h" #include "file.h" #include "optlist.h" #include "budg.h" #include "player.h" #include "update.h" #include "lost.h" #include "subs.h" #include "common.h" #include "gen.h" #ifndef MIN #define MIN(x,y) ((x) > (y) ? (y) : (x)) #endif int prod_plane(int etus, int natnum, int *bp, int buildem) /* Build = 1, maintain =0 */ { struct plnstr *pp; struct plchrstr *plp; struct natstr *np; float leftp, buildp; int left, build; int lcm_needed, hcm_needed; int mil_needed; int mvec[I_MAX + 1]; int n, k = 0; struct shpstr *shp; struct plchrstr *desc; struct sctstr *sp; int delta; int mult; int cost; int eff; int avail; int w_p_eff; int used; int start_money, onship; for (n = 0; NULL != (pp = getplanep(n)); n++) { if (pp->pln_own == 0) continue; if (pp->pln_own != natnum) continue; if (pp->pln_effic < PLANE_MINEFF) { makelost(EF_PLANE, pp->pln_own, pp->pln_uid, pp->pln_x, pp->pln_y); pp->pln_own = 0; continue; } plp = &plchr[(int)pp->pln_type]; if (pp->pln_flags & PLN_LAUNCHED) { if (buildem == 0) { if ((!player->simulation) && (plp->pl_flags & P_O) && (pp->pln_flags & PLN_LAUNCHED) && !(plp->pl_flags & P_M) && !(pp->pln_flags & PLN_SYNCHRONOUS)) move_sat(pp); } continue; } onship = 0; shp = (struct shpstr *)0; if (pp->pln_ship >= 0 && (buildem == 1)) { if (pp->pln_effic >= 80) continue; onship = 1; shp = getshipp(pp->pln_ship); if (shp == 0 || shp->shp_own != pp->pln_own) { /* nplane is unsigned... */ if (shp->shp_nplane > 0) shp->shp_nplane--; makelost(EF_PLANE, pp->pln_own, pp->pln_uid, pp->pln_x, pp->pln_y); pp->pln_own = 0; continue; } } np = getnatp(pp->pln_own); desc = &plchr[(int)pp->pln_type]; sp = getsectp(pp->pln_x, pp->pln_y); mult = 1; if (np->nat_level[NAT_TLEV] < pp->pln_tech * 0.85) mult = 2; if (buildem == 0) { /* flight pay is 5x the pay received by other military */ start_money = np->nat_money; cost = -(mult * etus * dmin(0.0, desc->pl_cost * money_plane)); if ((np->nat_priorities[PRI_PMAINT] == 0 || np->nat_money < cost) && !player->simulation) { if ((eff = pp->pln_effic - etus / 5) < PLANE_MINEFF) { wu(0, pp->pln_own, "%s lost to lack of maintenance\n", prplane(pp)); makelost(EF_PLANE, pp->pln_own, pp->pln_uid, pp->pln_x, pp->pln_y); pp->pln_own = 0; continue; } wu(0, pp->pln_own, "%s lost %d%% to lack of maintenance\n", prplane(pp), pp->pln_effic - eff); pp->pln_effic = eff; } else { np->nat_money -= cost; } np->nat_money += (etus * plp->pl_crew * money_mil * 5); air_money[pp->pln_own] += np->nat_money - start_money; k++; if (player->simulation) np->nat_money = start_money; if ((pp->pln_flags & PLN_LAUNCHED) == PLN_LAUNCHED) continue; } else { if (sp->sct_off) continue; if (np->nat_priorities[PRI_PBUILD] == 0 || np->nat_money < 0) continue; start_money = np->nat_money; left = 100 - pp->pln_effic; if (left <= 0) continue; if (!player->simulation) avail = sp->sct_avail * 100; else avail = gt_bg_nmbr(bp, sp, I_MAX + 1) * 100; if (pp->pln_ship >= 0) { shp = getshipp(pp->pln_ship); avail += (etus * shp->shp_item[I_MILIT] / 2); } w_p_eff = PLN_BLD_WORK(desc->pl_lcm, desc->pl_hcm); delta = roundavg((double)avail / w_p_eff); if (delta <= 0) continue; if (delta > (int)((float)etus * plane_grow_scale)) delta = (int)((float)etus * plane_grow_scale); if (delta > left) delta = left; /* delta is the max amount we can grow */ left = 100 - pp->pln_effic; if (left > delta) left = delta; leftp = ((float)left / 100.0); memset(mvec, 0, sizeof(mvec)); mvec[I_MILIT] = mil_needed = ldround((double)(plp->pl_crew * leftp), 1); mvec[I_LCM] = lcm_needed = ldround((double)(plp->pl_lcm * leftp), 1); mvec[I_HCM] = hcm_needed = ldround((double)(plp->pl_hcm * leftp), 1); get_materials(sp, bp, mvec, 0); if (mvec[I_MILIT] >= mil_needed) buildp = leftp; else buildp = ((float)mvec[I_MILIT] / (float)plp->pl_crew); if (mvec[I_LCM] < lcm_needed) buildp = MIN(buildp, ((float)mvec[I_LCM] / (float)plp->pl_lcm)); if (mvec[I_HCM] < hcm_needed) buildp = MIN(buildp, ((float)mvec[I_HCM] / (float)plp->pl_hcm)); build = ldround((double)(buildp * 100.0), 1); memset(mvec, 0, sizeof(mvec)); mvec[I_MILIT] = mil_needed = roundavg((double)(plp->pl_crew * buildp)); mvec[I_LCM] = lcm_needed = roundavg((double)(plp->pl_lcm * buildp)); mvec[I_HCM] = hcm_needed = roundavg((double)(plp->pl_hcm * buildp)); get_materials(sp, bp, mvec, 1); if (onship) build = delta; used = build * w_p_eff; /* * I didn't use roundavg here, because I want to * penalize the player with a large number of planes. */ if (!player->simulation) avail = (sp->sct_avail * 100 - used) / 100; else avail = (gt_bg_nmbr(bp, sp, I_MAX + 1) * 100 - used) / 100; if (avail < 0) avail = 0; if (!player->simulation) sp->sct_avail = avail; else pt_bg_nmbr(bp, sp, I_MAX + 1, avail); if (sp->sct_type != SCT_AIRPT) build /= 3; if (onship) { if ((pp->pln_effic + build) > 80) build = 80 - pp->pln_effic; } np->nat_money -= roundavg(mult * build * desc->pl_cost / 100.0); air_money[pp->pln_own] += np->nat_money - start_money; if (!player->simulation) pp->pln_effic += (s_char)build; else np->nat_money = start_money; k++; } } return k; }