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empserver/src/lib/commands/orde.c

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/*
* Empire - A multi-player, client/server Internet based war game.
* Copyright (C) 1986-2000, 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.
*
* ---
*
* orde.c: Turn on/off autonavigation
*
* Known contributors to this file:
* Chad Zabel, 1994
* Steve McClure, 2000
*/
#include <string.h>
#include <ctype.h>
#include "misc.h"
#include "player.h"
#include "var.h"
#include "ship.h"
#include "sect.h"
#include "news.h"
#include "xy.h"
#include "nsc.h"
#include "nat.h"
#include "path.h"
#include "file.h"
#include "item.h"
#include "commands.h"
#include "optlist.h"
/*
** Command syntax:
**
** ORDER <ship> Show orders
** ORDER <ship> c[ancel] Cancel orders
** ORDER <ship> s[top] Suspend orders
** ORDER <ship> r[esume] Resume orders
** ORDER <ship> d[eclare] <dest1> Set destination
** d[eclare] <dest1> <dest2>
** ORDER <ship> l[evel] <field> <start/end> <comm> <level>
**
**
** New syntax:
** qorder <ship> display cargo levels
** sorder <ship> display statistical info
*/
int
orde(void)
{
int nships = 0;
int diffeachship = 0;
int orders, sub, level;
int scuttling = 0;
struct nstr_item nb;
struct shpstr ship;
struct shpstr start; /* Used for checking database */
struct ichrstr *i1;
coord p0x, p0y, p1x, p1y;
int i;
s_char *p, *p1, *dest;
s_char buf1[128];
s_char buf[1024];
s_char prompt[128];
if (!snxtitem(&nb, EF_SHIP, player->argp[1]))
return RET_SYN;
while (!player->aborted && nxtitem(&nb, (s_char *)(&ship))) {
if (!player->owner || ship.shp_own == 0)
continue;
if (ship.shp_type < 0 || ship.shp_type > shp_maxno) {
pr("bad ship type %d (#%d)\n", ship.shp_type, nb.cur);
continue;
}
if (opt_SAIL) {
if (*ship.shp_path) {
if (!diffeachship)
pr("Ship #%d has a \"sail\" path!\n", ship.shp_uid);
continue;
}
}
memcpy(&start, &ship, sizeof(struct shpstr));
sprintf(prompt,
"Ship #%d, declare, cancel, suspend, resume, level? ",
ship.shp_uid);
p = getstarg(player->argp[2], prompt, buf);
if (player->aborted || !p)
return RET_FAIL;
if (!*p) {
if (!diffeachship)
return RET_FAIL;
else
continue;
}
switch (*p) {
default:
pr("Bad order type!\n");
return RET_SYN;
case 'c': /* clear ship fields */
ship.shp_mission = 0;
ship.shp_autonav &= ~(AN_AUTONAV + AN_STANDBY + AN_LOADING);
for (i = 0; i < TMAX; i++) {
ship.shp_tstart[i] = ' ';
ship.shp_tend[i] = ' ';
ship.shp_lstart[i] = 0;
ship.shp_lend[i] = 0;
}
break;
case 's': /* suspend ship movement */
ship.shp_mission = 0;
ship.shp_autonav |= AN_STANDBY;
break;
case 'r': /* resume ship movement */
ship.shp_mission = 0;
ship.shp_autonav &= ~AN_STANDBY;
break;
case 'd': /* declare path */
orders = 0;
scuttling = 0;
/* Need location */
if ((p = getstarg(player->argp[3], "Destination? ", buf)) == 0
|| *p == 0)
return RET_SYN;
if (!sarg_xy(p, &p0x, &p0y))
return RET_SYN;
p1x = p0x;
p1y = p0y;
if (!orders) {
p = getstarg(player->argp[4], "Second dest? ", buf);
if (!p || !*p || !strcmp(p, "-")) {
orders = 1;
pr("A one-way order has been accepted.\n");
} else if (!strncmp(p, "s", 1)) {
if (opt_TRADESHIPS) {
if (!(mchr[(int)ship.shp_type].m_flags & M_TRADE)) {
pr("You can't auto-scuttle that ship!\n");
return RET_SYN;
}
} else {
pr("You can't auto-scuttle that ship!\n");
return RET_SYN;
}
pr("A scuttle order has been accepted.\n");
scuttling = 1;
} else {
if (!sarg_xy(p, &p1x, &p1y))
return RET_SYN;
pr("A circular order has been accepted.\n");
}
}
/*
* Set new destination and trade type fields.
*/
ship.shp_mission = 0;
ship.shp_destx[1] = p1x;
ship.shp_desty[1] = p1y;
ship.shp_destx[0] = p0x;
ship.shp_desty[0] = p0y;
ship.shp_autonav &= ~(AN_STANDBY + AN_SAILDIR + AN_LOADING);
ship.shp_autonav |= AN_AUTONAV;
if (scuttling)
ship.shp_autonav |= AN_SCUTTLE;
break;
/* set cargo levels on the ship */
case 'l':
/* convert player->argp[3] to an integer */
if (player->argp[3])
sub = atoi(player->argp[3]);
else {
sprintf(buf1, "Field (1-%d) ", TMAX);
if (getstarg(player->argp[3], buf1, buf) == 0)
return RET_SYN;
sub = atoi(buf);
}
/* check to make sure value in within range. */
if (sub > TMAX || sub < 1) {
pr("Value must range from 1 to %d\n", TMAX);
break;
}
/* to keep sub in range of our arrays
subtract 1 so the new range is 0-(TMAX-1)
*/
sub = sub - 1;;
if (ship.shp_autonav & AN_AUTONAV) {
orders = 1;
dest = getstarg(player->argp[4], "Start or End? ", buf);
if (orders) { /* before dest check */
if (!dest)
break;
switch (*dest) {
default:
pr("You must enter 'start' or 'end'\n");
return RET_SYN;
case 'e':
case 'E':
i1 = whatitem(player->argp[5], "Commodity? ");
if (!i1)
break;
else {
p1 = getstarg(player->argp[6], "Amount? ",
buf);
if (!p1)
return RET_SYN;
level = atoi(p1);
}
if (level < 0) {
level = 0; /* prevent negatives. */
pr("You must use positive number! Level set to 0.\n");
}
ship.shp_tstart[sub] = (s_char)i1->i_mnem;
ship.shp_lstart[sub] = level;
pr("Order Set \n");
break;
case 's':
case 'S':
i1 = whatitem(player->argp[5], "Commodity? ");
if (!i1)
break;
else {
p1 = getstarg(player->argp[6], "Amount? ",
buf);
if (!p1)
return RET_SYN;
level = atoi(p1);
}
if (level < 0) {
level = 0;
pr("You must use positive number! Level set to 0.\n");
}
ship.shp_tend[sub] = (s_char)i1->i_mnem;
ship.shp_lend[sub] = level;
pr("Order Set \n");
break;
}
}
} else
pr("You need to 'declare' a ship path first, see 'info order'\n");
break;
} /* end of switch (*p) */
/*
* Set loading flag if ship is already in one
* of the specified harbors and a cargo has been
* specified.
*/
if (((ship.shp_x == ship.shp_destx[0])
&& (ship.shp_y == ship.shp_desty[0])
&& (ship.shp_lstart[0] != ' '))
|| ((ship.shp_x == ship.shp_desty[1])
&& (ship.shp_y == ship.shp_desty[1])
&& (ship.shp_lstart[1] != ' '))) {
coord tcord;
s_char tcomm[TMAX];
short lev[TMAX];
int i;
ship.shp_autonav |= AN_LOADING;
/* swap variables, this keeps
the load_it() procedure happy. CZ
*/
tcord = ship.shp_destx[0];
ship.shp_destx[0] = ship.shp_destx[1];
ship.shp_destx[1] = tcord;
tcord = ship.shp_desty[0];
ship.shp_desty[0] = ship.shp_desty[1];
ship.shp_desty[1] = tcord;
for (i = 0; i < TMAX; i++) {
lev[i] = ship.shp_lstart[i];
ship.shp_lstart[i] = ship.shp_lend[i];
ship.shp_lend[i] = lev[i];
tcomm[i] = ship.shp_tstart[i];
ship.shp_tstart[i] = ship.shp_tend[i];
ship.shp_tend[i] = tcomm[i];
}
}
/*
** Write ship back to database, then give it
** a kick down the autonav route if necessary.
*/
/* Now do a sanity check. */
if (!check_ship_ok(&start))
return RET_SYN;
putship(ship.shp_uid, &ship);
nships++;
}
return RET_OK;
}
static void
eta_calc(struct shpstr *sp, s_char *path, int *len, int *nupdates)
{
struct mchrstr *mcp;
double mobcost, mobil;
int i;
i = strlen(path);
*len = i;
*nupdates = 1;
mcp = &mchr[(int)sp->shp_type];
mobcost = sp->shp_effic * 0.01 * sp->shp_speed;
mobcost = 480.0 / (mobcost + techfact(sp->shp_tech, mobcost));
mobil = sp->shp_mobil;
while (i) {
if (mobil > 0) {
mobil -= mobcost;
i--;
} else {
mobil += (ship_mob_scale * (float)etu_per_update);
(*nupdates)++;
}
}
}
int
qorde(void)
{
int nships = 0;
int i;
struct nstr_item nb;
struct shpstr ship;
if (!snxtitem(&nb, EF_SHIP, player->argp[1]))
return RET_SYN;
while (nxtitem(&nb, (s_char *)(&ship))) {
if (!player->owner || ship.shp_own == 0)
continue;
if (ship.shp_type < 0 || ship.shp_type > shp_maxno) {
pr("bad ship type %d (#%d)\n", ship.shp_type, nb.cur);
continue;
}
if ((ship.shp_autonav & AN_AUTONAV) ||
(ship.shp_path[0] && opt_SAIL)) {
if (!nships) { /* 1st ship, print banner */
if (player->god)
pr("own ");
pr("shp# ship type ");
pr("[Starting] (Ending) \n");
}
nships++;
if (player->god)
pr("%3d ", ship.shp_own);
pr("%4d", nb.cur);
pr(" %-16.16s", mchr[(int)ship.shp_type].m_name);
}
if (ship.shp_autonav & AN_AUTONAV) {
pr(" [");
for (i = 0; i < TMAX; i++) {
if (ship.shp_tend[i] != ' ' && ship.shp_lend[i] != 0) {
pr("%d-", i + 1);
pr("%c", ship.shp_tend[i]);
pr(":");
pr("%d ", ship.shp_lend[i]);
}
}
pr("] , (");
for (i = 0; i < TMAX; i++) {
if (ship.shp_tstart[i] != ' ' && ship.shp_lstart[i] != 0) {
pr("%d-", i + 1);
pr("%c", ship.shp_tstart[i]);
pr(":");
pr("%d ", ship.shp_lstart[i]);
}
}
pr(")");
if (ship.shp_autonav & AN_SCUTTLE)
pr(" scuttling");
pr("\n");
}
if (opt_SHIPNAMES) {
if ((ship.shp_autonav & AN_AUTONAV) ||
(ship.shp_path[0] && opt_SAIL)) {
if (ship.shp_name[0] != 0) {
if (player->god)
pr(" ");
pr(" %s\n", ship.shp_name);
}
}
}
}
if (!nships) {
if (player->argp[1])
pr("%s: No ship(s)\n", player->argp[1]);
else
pr("%s: No ship(s)\n", "");
return RET_FAIL;
} else
pr("%d ship%s\n", nships, splur(nships));
return RET_OK;
}
/* Chad Zabel 1-15-94
* New command added to display autonav stats.
*/
int
sorde(void)
{
int nships = 0;
int len, updates;
s_char *c;
struct nstr_item nb;
struct shpstr ship;
s_char buf[1024];
if (!snxtitem(&nb, EF_SHIP, player->argp[1]))
return RET_SYN;
while (nxtitem(&nb, (s_char *)(&ship))) {
if (!player->owner || ship.shp_own == 0)
continue;
if (ship.shp_type < 0 || ship.shp_type > shp_maxno) {
pr("bad ship type %d (#%d)\n", ship.shp_type, nb.cur);
continue;
}
if ((ship.shp_autonav & AN_AUTONAV) ||
(ship.shp_path[0] && opt_SAIL)) {
if (!nships) { /* 1st ship, print banner */
if (player->god)
pr("own ");
pr("shp# ship type x,y ");
pr("start end ");
pr("len eta\n");
}
nships++;
if (player->god)
pr("%3d ", ship.shp_own);
pr("%4d", nb.cur);
pr(" %-16.16s", mchr[(int)ship.shp_type].m_name);
prxy(" %3d,%-3d", ship.shp_x, ship.shp_y, player->cnum);
}
if (ship.shp_autonav & AN_AUTONAV) {
/* Destination 1 */
prxy(" %3d,%-3d", ship.shp_destx[1],
ship.shp_desty[1], player->cnum);
/* Destination 2 */
if ((ship.shp_destx[1] != ship.shp_destx[0])
|| (ship.shp_desty[1] != ship.shp_desty[0])) {
prxy(" %3d,%-3d", ship.shp_destx[0],
ship.shp_desty[0], player->cnum);
} else
pr(" ");
if (ship.shp_autonav & AN_STANDBY)
pr(" suspended");
else if (ship.shp_autonav & AN_LOADING)
pr(" loading");
else {
/* ETA calculation */
c = BestShipPath(buf, ship.shp_x,
ship.shp_y, ship.shp_destx[0],
ship.shp_desty[0], ship.shp_own);
if (!c || !*c)
pr(" no route possible");
else if (*c == 'h')
pr(" has arrived");
else if (*c == '?')
pr(" route too long");
else {
/* distance to destination */
eta_calc(&ship, c, &len, &updates);
pr(" %3d %4d", len, updates);
}
}
if (ship.shp_autonav & AN_SCUTTLE)
pr(" (scuttling)");
pr("\n");
}
if (opt_SHIPNAMES) {
if ((ship.shp_autonav & AN_AUTONAV) ||
(ship.shp_path[0] && opt_SAIL)) {
if (!(ship.shp_autonav & AN_AUTONAV))
pr("\n");
if (ship.shp_name[0] != 0) {
if (player->god)
pr(" ");
pr(" %s\n", ship.shp_name);
}
}
}
}
if (!nships) {
if (player->argp[1])
pr("%s: No ship(s)\n", player->argp[1]);
else
pr("%s: No ship(s)\n", "");
return RET_FAIL;
} else
pr("%d ship%s\n", nships, splur(nships));
return RET_OK;
}
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