366 lines
9.2 KiB
C
366 lines
9.2 KiB
C
/*
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* Empire - A multi-player, client/server Internet based war game.
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* Copyright (C) 1986-2005, Dave Pare, Jeff Bailey, Thomas Ruschak,
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* Ken Stevens, Steve McClure
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* ---
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*
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* See the "LEGAL", "LICENSE", "CREDITS" and "README" files for all the
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* related information and legal notices. It is expected that any future
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* projects/authors will amend these files as needed.
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*
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* ---
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*
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* miss.c: set missions for ships/planes/units
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*
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* Known contributors to this file:
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* Thomas Ruschak, 1992
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* Steve McClure, 2000
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*/
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#include "options.h"
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#include "misc.h"
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#include "player.h"
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#include "xy.h"
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#include "sect.h"
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#include "ship.h"
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#include "land.h"
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#include "plane.h"
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#include "nat.h"
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#include "nsc.h"
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#include "file.h"
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#include "path.h"
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#include "mission.h"
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#include "genitem.h"
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#include "commands.h"
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#include "optlist.h"
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/*
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* mission <type> <planes/ships/units> <mission type> <op sector> [<radius>]
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*/
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int
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mission(void)
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{
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s_char *p;
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int type;
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int mission;
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coord x, y;
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int size, desired_radius, radius;
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struct sctstr opsect;
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s_char *block;
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struct genitem *gp;
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int num = 0, mobmax, mobused, dist;
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struct nstr_item ni;
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s_char prompt[128];
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s_char buf[1024];
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if ((p =
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getstarg(player->argp[1], "Ship, plane or land unit (p,sh,la)? ",
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buf)) == 0)
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return RET_SYN;
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type = ef_byname(p);
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if (type == EF_SECTOR)
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type = EF_SHIP;
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if (type != EF_SHIP && type != EF_LAND && type != EF_PLANE) {
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pr("Ships, land units or planes only! (s, l, p)\n");
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return RET_SYN;
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}
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sprintf(prompt, "%s(s)? ", ef_nameof(type));
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p = getstarg(player->argp[2], prompt, buf);
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if (!snxtitem(&ni, type, p))
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return RET_SYN;
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if ((p =
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getstarg(player->argp[3],
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"Mission (int, sup, osup, dsup, esc, res, air, query, clear)? ",
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buf)) == 0)
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return RET_SYN;
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/*
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* 'i' interdiction
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* 's' support
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* 'o' support attacks
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* 'd' support defenders
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* 'e' escort
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* 'r' defensive reserve
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* 'a' air defense (intercepts)
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*/
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switch (*p) {
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case 'I':
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case 'i':
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mission = MI_INTERDICT;
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break;
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case 'O':
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case 'o':
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mission = MI_OSUPPORT;
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break;
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case 'D':
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case 'd':
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mission = MI_DSUPPORT;
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break;
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case 'S':
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case 's':
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mission = MI_SUPPORT;
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break;
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case 'C':
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case 'c':
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mission = 0;
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break;
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case 'E':
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case 'e':
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mission = MI_ESCORT;
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break;
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case 'R':
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case 'r':
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mission = MI_RESERVE;
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break;
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case 'A':
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case 'a':
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mission = MI_AIR_DEFENSE;
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break;
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case 'q':
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show_mission(type, &ni);
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return RET_OK;
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default:
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pr("bad condition\n");
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pr("i\tinterdiction (any)\n");
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pr("s\tsupport (tactical planes only)\n");
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pr("o\toffensive support (tactical planes only)\n");
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pr("d\tdefensive support (tactical planes only)\n");
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pr("r\treserve (land units only)\n");
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pr("e\tescort (tactical or escort planes only)\n");
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pr("a\tair defense (intercept planes only)\n");
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pr("c\tclear mission\n");
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pr("q\tquery\n");
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return RET_SYN;
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}
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if (mission && !cando(mission, type)) {
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pr("A %s cannot do that mission!\n", ef_nameof(type));
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pr("i\tinterdiction (any)\n");
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pr("s\tsupport (planes only)\n");
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pr("o\toffensive support (planes only)\n");
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pr("d\tdefensive support (planes only)\n");
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pr("r\treserve (land units only)\n");
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pr("e\tescort (planes only)\n");
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pr("a\tair defense (planes only)\n");
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return RET_FAIL;
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}
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if (mission && ((mission != MI_RESERVE) && (mission != MI_ESCORT))) {
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if ((p = getstarg(player->argp[4], "operations point? ", buf)) == 0
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|| *p == 0)
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return RET_SYN;
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if (*p != '.') {
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if (!sarg_xy(p, &x, &y))
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return RET_SYN;
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if (!getsect(x, y, &opsect))
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return RET_FAIL;
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}
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} else {
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x = 0;
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y = 0;
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}
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if (player->argp[5] != (s_char *)0) {
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desired_radius = atoi(player->argp[5]);
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if (desired_radius < 0) {
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pr("Radius must be greater than zero!\n");
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return RET_FAIL;
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}
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} else {
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desired_radius = 9999;
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}
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size = max(sizeof(struct lndstr), sizeof(struct plnstr));
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size = max(size, sizeof(struct shpstr));
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block = malloc(size);
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switch (type) {
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case EF_SHIP:
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mobmax = ship_mob_max;
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break;
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case EF_LAND:
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mobmax = land_mob_max;
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break;
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case EF_PLANE:
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mobmax = plane_mob_max;
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break;
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}
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mobused = ldround((mission_mob_cost * (double)mobmax), 1);
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while (nxtitem(&ni, block)) {
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gp = (struct genitem *)block;
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if (!player->owner || gp->own == 0)
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continue;
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if ((mission && (gp->mobil < mobused)) && mission_mob_cost) {
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pr("%s #%d: not enough mobility! (needs %d)\n",
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ef_nameof(type), gp->uid, mobused);
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continue;
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}
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if (mission == MI_RESERVE && !lnd_can_attack((struct lndstr *)gp)) {
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pr("%s is not designed to fight ground troops\n",
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prland((struct lndstr *)gp));
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continue;
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}
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if (*p == '.') {
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x = gp->x;
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y = gp->y;
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if (!getsect(x, y, &opsect))
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return RET_FAIL;
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}
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dist = mapdist(gp->x, gp->y, x, y);
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radius = 999;
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if ((mission == MI_INTERDICT || mission == MI_SUPPORT ||
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mission == MI_OSUPPORT || mission == MI_DSUPPORT ||
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mission == MI_AIR_DEFENSE) &&
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(oprange(gp, type, &radius) < dist)) {
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pr("%s #%d: out of range! (range %d)\n",
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ef_nameof(type), gp->uid, oprange(gp, type, &radius));
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continue;
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}
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if (radius > desired_radius)
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radius = desired_radius;
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/*
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if (mission && (gp->effic < 60)){
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pr("%s #%d: not efficient enough! (must be>=60%)\n",
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ef_nameof(type), gp->uid);
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continue;
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}
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*/
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if ((mission == MI_INTERDICT) && (type == EF_SHIP))
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if (mchr[(int)gp->type].m_frnge < 1) {
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pr("%s #%d: cannot fire at range!\n",
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ef_nameof(type), gp->uid);
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continue;
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}
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if ((mission == MI_INTERDICT) && (type == EF_LAND))
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if (lchr[(int)gp->type].l_frg < 1) {
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pr("%s #%d: cannot fire at range!\n",
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ef_nameof(type), gp->uid);
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continue;
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}
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if ((mission == MI_INTERDICT) && (type == EF_PLANE)) {
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struct plchrstr *pcp;
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pcp = &plchr[(int)gp->type];
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if (!(pcp->pl_flags & P_T)) {
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pr("Only planes with the tactical ability can interdict.\n%s #%d is ineligible\n", pcp->pl_name, gp->uid);
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continue;
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}
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}
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if ((mission == MI_AIR_DEFENSE) && (type == EF_PLANE)) {
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struct plchrstr *pcp;
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pcp = &plchr[(int)gp->type];
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if (!(pcp->pl_flags & P_F)) {
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pr("Only planes with the intercept abilities can perform air defense.\n%s #%d is ineligible\n", pcp->pl_name, gp->uid);
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continue;
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}
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}
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if ((mission == MI_ESCORT) && (type == EF_PLANE)) {
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struct plchrstr *pcp;
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pcp = &plchr[(int)gp->type];
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if (!(pcp->pl_flags & P_ESC) && !(pcp->pl_flags & P_F)) {
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pr("Only planes with the escort or intercept abilities can escort.\n%s #%d is ineligible\n", pcp->pl_name, gp->uid);
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continue;
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}
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}
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if ((mission == MI_SUPPORT || mission == MI_OSUPPORT ||
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mission == MI_DSUPPORT) && (type == EF_PLANE)) {
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struct plchrstr *pcp;
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pcp = &plchr[(int)gp->type];
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if (!(pcp->pl_flags & P_T)) {
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pr("Only planes with the tactical ability can support.\n%s #%d is ineligible\n", pcp->pl_name, gp->uid);
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continue;
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}
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}
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num++; /* good one.. go with it */
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if (mission == MI_INTERDICT || mission == MI_SUPPORT ||
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mission == MI_OSUPPORT || mission == MI_DSUPPORT ||
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mission == MI_AIR_DEFENSE)
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gp->radius = radius;
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else
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gp->radius = 0;
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if (mission == MI_SUPPORT || mission == MI_OSUPPORT ||
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mission == MI_DSUPPORT || mission == MI_INTERDICT ||
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mission == MI_AIR_DEFENSE) {
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pr("%s on %s mission, centered on %s, radius %d\n",
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nameofitem(gp, type), mission_name(mission),
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xyas(x, y, player->cnum), gp->radius);
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} else if (mission == MI_RESERVE) {
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int plus = 2;
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if (((struct lndstr *)gp)->lnd_rad_max == 0) {
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plus = 0;
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} else {
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getsect(gp->x, gp->y, &opsect);
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if ((opsect.sct_type == SCT_HEADQ)
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&& (opsect.sct_effic >= 60))
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plus++;
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plus += ((struct lndstr *)gp)->lnd_rad_max;
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}
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pr("%s on %s mission with maximum reaction radius %d\n",
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nameofitem(gp, type), mission_name(mission), plus);
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} else if (mission) {
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pr("%s on %s mission\n", nameofitem(gp, type),
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mission_name(mission));
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}
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if (mission)
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gp->mobil -= mobused;
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gp->mission = mission;
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gp->opx = x;
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gp->opy = y;
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switch (type) {
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case EF_SHIP:
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putship(gp->uid, block);
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break;
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case EF_LAND:
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putland(gp->uid, block);
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break;
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case EF_PLANE:
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putplane(gp->uid, block);
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break;
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}
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}
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if (num == 0) {
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pr("No %s%s\n", ef_nameof(type), splur(num));
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return RET_FAIL;
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}
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pr("%d %s%s\n", num, ef_nameof(type), splur(num));
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return RET_OK;
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}
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