/*
* Empire - A multi-player, client/server Internet based war game.
- * Copyright (C) 1986-2000, Dave Pare, Jeff Bailey, Thomas Ruschak,
- * Ken Stevens, Steve McClure
+ * Copyright (C) 1986-2021, Dave Pare, Jeff Bailey, Thomas Ruschak,
+ * Ken Stevens, Steve McClure, Markus Armbruster
*
- * This program is free software; you can redistribute it and/or modify
+ * Empire 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
+ * the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* 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
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* ---
*
- * 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.
+ * See files README, COPYING and CREDITS in the root of the source
+ * tree for related information and legal notices. It is expected
+ * that future projects/authors will amend these files as needed.
*
* ---
*
* drop.c: Air-drop commodities
- *
+ *
* Known contributors to this file:
* Dave Pare, 1986
+ * Markus Armbruster, 2004-2012
*/
-#include "misc.h"
-#include "player.h"
-#include "var.h"
-#include "sect.h"
-#include "ship.h"
+#include <config.h>
+
+#include "commands.h"
#include "item.h"
-#include "plane.h"
-#include "nuke.h"
-#include "xy.h"
-#include "nsc.h"
-#include "news.h"
-#include "file.h"
-#include "nat.h"
#include "path.h"
-#include "commands.h"
+#include "plane.h"
int
drop(void)
{
- int rel;
- s_char *p;
- int mission_flags;
- int tech;
- coord tx, ty;
- coord ax, ay;
- int ap_to_target;
- struct ichrstr *ip;
- s_char flightpath[MAX_PATH_LEN];
- struct nstr_item ni_bomb;
- struct nstr_item ni_esc;
- coord x, y;
- struct sctstr target;
- struct emp_qelem bomb_list;
- struct emp_qelem esc_list;
- int wantflags;
- struct sctstr ap_sect;
- s_char buf[1024];
+ coord tx, ty;
+ coord ax, ay;
+ int ap_to_target;
+ struct ichrstr *ip;
+ char flightpath[MAX_PATH_LEN];
+ struct nstr_item ni_bomb;
+ struct nstr_item ni_esc;
+ struct sctstr target;
+ struct emp_qelem bomb_list;
+ struct emp_qelem esc_list;
+ int wantflags;
+ struct sctstr ap_sect;
+ char buf[1024];
- wantflags = 0;
- if (!snxtitem(&ni_bomb, EF_PLANE, player->argp[1]))
- return RET_SYN;
- if (!snxtitem(&ni_esc, EF_PLANE, getstarg(player->argp[2], "escort(s)? ", buf)))
- pr("No escorts...\n");
- if ((p = getstarg(player->argp[3], "assembly point? ", buf)) == 0 || *p == 0)
- return RET_SYN;
- if (!sarg_xy(p, &x, &y) || !getsect(x, y, &ap_sect))
- return RET_SYN;
- if (ap_sect.sct_own && ap_sect.sct_own != player->cnum &&
- getrel(getnatp(ap_sect.sct_own), player->cnum) != ALLIED) {
- pr("Assembly point not owned by you or an ally!\n");
- return RET_SYN;
- }
- ax = x;
- ay = y;
- if (getpath(flightpath, player->argp[4], ax, ay, 0, 0,
- 0, P_FLYING) == 0 || *flightpath == 0)
- return RET_SYN;
- tx = ax;
- ty = ay;
- (void) pathtoxy(flightpath, &tx, &ty, fcost);
- pr("target is %s\n", xyas(tx, ty, player->cnum));
- getsect(tx, ty, &target);
+ if (get_planes(&ni_bomb, &ni_esc, player->argp[1], player->argp[2]) < 0)
+ return RET_SYN;
+ if (!get_assembly_point(player->argp[3], &ap_sect, buf))
+ return RET_SYN;
+ ax = ap_sect.sct_x;
+ ay = ap_sect.sct_y;
+ if (!getpath(flightpath, player->argp[4], ax, ay, 0, 0, MOB_FLY))
+ return RET_SYN;
+ tx = ax;
+ ty = ay;
+ (void)pathtoxy(flightpath, &tx, &ty, fcost);
+ pr("target is %s\n", xyas(tx, ty, player->cnum));
+ if (!(ip = whatitem(player->argp[5], "Drop off what? ")))
+ return RET_SYN;
+ getsect(tx, ty, &target);
- rel = getrel(getnatp(target.sct_own), player->cnum);
- if (rel != ALLIED && target.sct_own != player->cnum && target.sct_type != SCT_WATER) {
- pr("You don't own %s!\n", xyas(tx,ty,player->cnum));
+ if (relations_with(target.sct_own, player->cnum) == ALLIED) {
+ /* own or allied sector: cargo drop */
+ if (ip->i_uid == I_CIVIL) {
+ if (target.sct_own != player->cnum) {
+ pr("Your civilians refuse to board a flight abroad!\n");
return RET_FAIL;
- }
-
- if ((ip = whatitem(player->argp[5], "Drop off what? ")) == 0)
- return RET_SYN;
- if (ip->i_vtype == V_CIVIL && target.sct_own != target.sct_oldown) {
+ }
+ if (target.sct_own != target.sct_oldown) {
pr("Can't drop civilians into occupied sectors.\n");
return RET_FAIL;
+ }
}
- ap_to_target = strlen(flightpath);
- if (*(flightpath+strlen(flightpath)-1) == 'h')
- ap_to_target--;
- pr("range to target is %d\n", ap_to_target);
- /*
- * select planes within range
- */
- mission_flags = 0;
- pln_sel(&ni_bomb, &bomb_list, &ap_sect, ap_to_target,
- 2, wantflags, P_M|P_O);
- pln_sel(&ni_esc, &esc_list, &ap_sect, ap_to_target,
- 2, P_ESC|P_F, P_M|P_O);
- /*
- * now arm and equip the bombers, transports, whatever.
- * tech is stored in high 16 bits of mission_flags.
- * yuck.
- */
- tech=0;
- mission_flags |= P_X; /* stealth (shhh) */
- mission_flags |= P_H; /* gets turned off if not all choppers */
- mission_flags |= P_MINE;
- mission_flags = pln_arm(&bomb_list, 2*ap_to_target, 'd', ip, 0, mission_flags,&tech);
- if (rel != ALLIED && target.sct_own != player->cnum &&
- target.sct_type == SCT_WATER && !(mission_flags & P_MINE)) {
- pr("You don't own %s!\n", xyas(tx,ty,player->cnum));
- return RET_FAIL;
- }
- if (QEMPTY(&bomb_list)) {
- pr("No planes could be equipped for the mission.\n");
- return RET_FAIL;
- }
- mission_flags = pln_arm(&esc_list, 2*ap_to_target, 'd', ip, P_ESC|P_F, mission_flags,&tech);
- ac_encounter(&bomb_list,&esc_list,ax,ay,flightpath,mission_flags,0,0,0);
- if (QEMPTY(&bomb_list)) {
- pr("No planes got through fighter defenses\n");
- } else {
- getsect(tx, ty, &target);
- pln_dropoff(&bomb_list, ip, tx, ty, (s_char *)&target,
- EF_SECTOR);
+ wantflags = P_C;
+ } else {
+ /* into the unknown... */
+ if (ip->i_uid != I_SHELL) {
+ pr("You don't own %s!\n", xyas(tx, ty, player->cnum));
+ return RET_FAIL;
}
- pln_put(&bomb_list);
- pln_put(&esc_list);
- return RET_OK;
+ /* mine drop */
+ wantflags = P_MINE;
+ }
+
+ ap_to_target = strlen(flightpath);
+ pr("range to target is %d\n", ap_to_target);
+ /*
+ * select planes within range
+ */
+ pln_sel(&ni_bomb, &bomb_list, &ap_sect, ap_to_target, 2,
+ wantflags, P_M | P_O);
+ pln_sel(&ni_esc, &esc_list, &ap_sect, ap_to_target, 2,
+ P_ESC | P_F, P_M | P_O);
+ /*
+ * now arm and equip the bombers, transports, whatever.
+ */
+ pln_arm(&bomb_list, 2 * ap_to_target,
+ wantflags & P_MINE ? 'm' : 'd',
+ ip);
+ if (QEMPTY(&bomb_list)) {
+ pr("No planes could be equipped for the mission.\n");
+ return RET_FAIL;
+ }
+ pln_arm(&esc_list, 2 * ap_to_target, 'e', NULL);
+ ac_encounter(&bomb_list, &esc_list, ax, ay, flightpath, 0);
+ if (QEMPTY(&bomb_list)) {
+ pr("No planes got through fighter defenses\n");
+ } else {
+ if (wantflags & P_MINE)
+ pln_mine(&bomb_list, tx, ty);
+ else
+ pln_dropoff(&bomb_list, ip, tx, ty, -1);
+ }
+ pln_put(&bomb_list);
+ pln_put(&esc_list);
+ return RET_OK;
}