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empserver/src/lib/commands/load.c
Markus Armbruster c4c7cac6fe Check for unit on trading block last in load() and lload() 
This is to make them more similar, and to get the market code out of
the way.
2009-01-06 18:49:39 +01:00

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/*
* Empire - A multi-player, client/server Internet based war game.
* Copyright (C) 1986-2008, 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 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.
*
* ---
*
* load.c: load/unload goods from a sector onto a ship or land unit
*
* Known contributors to this file:
* David Sharnoff, 1987
* Ken Stevens, 1995 (rewritten)
* Steve McClure, 1998-2000
* Markus Armbruster, 2004-2008
*/
#include <config.h>
#include <ctype.h>
#include "commands.h"
#include "empobj.h"
#include "item.h"
#include "land.h"
#include "optlist.h"
#include "plague.h"
#include "plane.h"
#include "ship.h"
#include "unit.h"
/*
* The values 1 and -1 are important below, don't change them.
*/
#define LOAD 1
#define UNLOAD -1
static int load_plane_ship(struct sctstr *sectp, struct shpstr *sp,
int noisy, int load_unload, int *nshipsp);
static int load_land_ship(struct sctstr *sectp, struct shpstr *sp,
int noisy, int load_unload, int *nshipsp);
static int load_comm_ship(struct sctstr *sectp, struct shpstr *sp,
struct ichrstr *ich, int load_unload,
int *nshipsp);
static int load_plane_land(struct sctstr *sectp, struct lndstr *lp,
int noisy, int load_unload, int *nunitsp);
static int load_land_land(struct sctstr *sectp, struct lndstr *lp,
int noisy, int load_unload, int *nunitsp);
static int load_comm_land(struct sctstr *sectp, struct lndstr *lp,
struct ichrstr *ich, int load_unload,
int *nunitsp);
int
load(void)
{
int noisy;
int load_unload;
int type;
struct nstr_item nbst;
struct ichrstr *ich;
int nships;
struct sctstr sect;
struct shpstr ship;
int retval;
char *p;
char buf[1024];
if (!(p = getstarg(player->argp[1],
"What commodity (or 'plane' or 'land')? ", buf))
|| !*p)
return RET_SYN;
if (!strncmp(p, "plane", 5))
type = EF_PLANE;
else if (!strncmp(p, "land", 4))
type = EF_LAND;
else if (NULL != (ich = item_by_name(p)))
type = EF_SECTOR;
else {
pr("Can't load '%s'\n", p);
return RET_SYN;
}
if (!(p = getstarg(player->argp[2], "Ship(s): ", buf)) || !*p)
return RET_SYN;
noisy = isdigit(*p);
if (!snxtitem(&nbst, EF_SHIP, p, NULL))
return RET_SYN;
load_unload = **player->argp == 'l' ? LOAD : UNLOAD;
nships = 0;
while (nxtitem(&nbst, &ship)) {
if (!ship.shp_own)
continue;
if (!player->owner && (load_unload == UNLOAD)) {
continue;
}
if (ship.shp_own != player->cnum) {
if (!noisy)
continue;
if (getrel(getnatp(ship.shp_own), player->cnum) < FRIENDLY)
continue;
}
if (!getsect(ship.shp_x, ship.shp_y, &sect)) /* XXX */
continue;
if ((sect.sct_own != player->cnum) &&
(ship.shp_own != player->cnum))
continue;
if (!player->owner &&
!sect_has_dock(&sect))
continue;
if (!sect.sct_own)
continue;
if ((sect.sct_own != player->cnum) && (load_unload == LOAD)) {
if (noisy)
pr("You don't own %s \n",
xyas(ship.shp_x, ship.shp_y, player->cnum));
continue;
}
if (!sect_has_dock(&sect)) {
if (noisy)
pr("Sector %s is not a harbor or canal.\n",
xyas(ship.shp_x, ship.shp_y, player->cnum));
continue;
}
if (sect.sct_own != player->cnum && load_unload == UNLOAD
&& getrel(getnatp(sect.sct_own), player->cnum) < FRIENDLY) {
if (noisy)
pr("You can't unload into an unfriendly %s\n",
dchr[sect.sct_type].d_name);
continue;
}
if (sect.sct_effic < 2) {
if (noisy)
pr("The %s at %s is not 2%% efficient yet.\n",
dchr[sect.sct_type].d_name,
xyas(ship.shp_x, ship.shp_y, player->cnum));
continue;
}
if (opt_MARKET) {
if (ontradingblock(EF_SHIP, &ship)) {
pr("You cannot load/unload an item on the trading block!\n");
continue;
}
}
switch (type) {
case EF_PLANE:
if (0 !=
(retval =
load_plane_ship(&sect, &ship, noisy, load_unload,
&nships)))
return retval;
break;
case EF_LAND:
if (0 !=
(retval =
load_land_ship(&sect, &ship, noisy, load_unload,
&nships)))
return retval;
break;
case EF_SECTOR:
if (0 !=
(retval =
load_comm_ship(&sect, &ship, ich, load_unload, &nships)))
return retval;
}
/* load/unload plague */
if (sect.sct_pstage == PLG_INFECT
&& ship.shp_pstage == PLG_HEALTHY)
ship.shp_pstage = PLG_EXPOSED;
if (ship.shp_pstage == PLG_INFECT
&& sect.sct_pstage == PLG_HEALTHY)
sect.sct_pstage = PLG_EXPOSED;
putsect(&sect);
putship(ship.shp_uid, &ship);
}
if (!nships)
pr("No ships affected\n");
else
pr("%d ship%s %sloaded\n", nships, splur(nships),
load_unload == UNLOAD ? "un" : "");
return RET_OK;
}
int
lload(void)
{
int noisy;
int load_unload;
int type;
struct nstr_item nbst;
struct ichrstr *ich;
int nunits;
struct sctstr sect;
struct lndstr land;
int retval;
char *p;
char buf[1024];
if (!(p = getstarg(player->argp[1],
"What commodity (or 'plane' or 'land')? ", buf))
|| !*p)
return RET_SYN;
if (!strncmp(p, "plane", 5))
type = EF_PLANE;
else if (!strncmp(p, "land", 4))
type = EF_LAND;
else if (NULL != (ich = item_by_name(p)))
type = EF_SECTOR;
else {
pr("Can't load '%s'\n", p);
return RET_SYN;
}
if (!(p = getstarg(player->argp[2], "Unit(s): ", buf)) || !*p)
return RET_SYN;
noisy = isdigit(*p);
if (!snxtitem(&nbst, EF_LAND, p, NULL))
return RET_SYN;
load_unload = player->argp[0][1] == 'l' ? LOAD : UNLOAD;
nunits = 0;
while (nxtitem(&nbst, &land)) {
if (land.lnd_own == 0)
continue;
if (!player->owner && load_unload == UNLOAD)
continue;
if (player->cnum != land.lnd_own) {
if (!noisy)
continue;
if (getrel(getnatp(land.lnd_own), player->cnum) != ALLIED)
continue;
}
if (!getsect(land.lnd_x, land.lnd_y, &sect)) /* XXX */
continue;
if (sect.sct_own != player->cnum && land.lnd_own != player->cnum)
continue;
if (sect.sct_own != player->cnum && load_unload == LOAD) {
if (noisy)
pr("Sector %s is not yours.\n",
xyas(sect.sct_x, sect.sct_y, player->cnum));
continue;
}
if (sect.sct_own != player->cnum &&
getrel(getnatp(sect.sct_own), player->cnum) != ALLIED) {
pr("Sector %s is not yours.\n",
xyas(land.lnd_x, land.lnd_y, player->cnum));
continue;
}
if (opt_MARKET) {
if (ontradingblock(EF_LAND, &land)) {
pr("You cannot load/unload an item on the trading block!\n");
continue;
}
}
switch (type) {
case EF_LAND:
if (0 !=
(retval =
load_land_land(&sect, &land, noisy, load_unload,
&nunits)))
return retval;
break;
case EF_PLANE:
if (0 !=
(retval =
load_plane_land(&sect, &land, noisy, load_unload,
&nunits)))
return retval;
break;
case EF_SECTOR:
if (0 !=
(retval =
load_comm_land(&sect, &land, ich, load_unload, &nunits)))
return retval;
}
/* load/unload plague */
if (sect.sct_pstage == PLG_INFECT
&& land.lnd_pstage == PLG_HEALTHY)
land.lnd_pstage = PLG_EXPOSED;
if (land.lnd_pstage == PLG_INFECT
&& sect.sct_pstage == PLG_HEALTHY)
sect.sct_pstage = PLG_EXPOSED;
putsect(&sect);
putland(land.lnd_uid, &land);
}
if (nunits == 0)
pr("No units affected\n");
else
pr("%d unit%s %sloaded\n", nunits, splur(nunits),
load_unload == UNLOAD ? "un" : "");
return RET_OK;
}
static int
move_amount(int sect_amt, int unit_amt, int unit_max,
int load_unload, int amount)
{
int move_amt;
if (amount < 0)
move_amt = -amount - unit_amt;
else
move_amt = load_unload == LOAD ? amount : -amount;
if (move_amt > unit_max - unit_amt)
move_amt = unit_max - unit_amt;
if (move_amt < -unit_amt)
move_amt = -unit_amt;
if (move_amt > sect_amt)
move_amt = sect_amt;
if (move_amt < sect_amt - ITEM_MAX)
move_amt = sect_amt - ITEM_MAX;
return move_amt;
}
static int
load_comm_ok(struct sctstr *sectp, natid unit_own,
i_type item, int move_amt)
{
if (!move_amt)
return 0;
if (move_amt < 0 && !player->god && unit_own != player->cnum)
return 0;
if (move_amt > 0 && !player->god && sectp->sct_own != player->cnum)
return 0;
if (sectp->sct_oldown != unit_own && item == I_CIVIL) {
pr("%s civilians refuse to %s at %s!\n",
(move_amt < 0 ? unit_own : sectp->sct_oldown) == player->cnum
? "Your" : "Foreign",
move_amt < 0 ? "disembark" : "board",
xyas(sectp->sct_x, sectp->sct_y, player->cnum));
return 0;
}
return 1;
}
void
gift(natid givee, natid giver, void *ptr, char *mesg)
{
if (giver != givee)
wu(0, givee, "%s %s %s\n", cname(giver), obj_nameof(ptr), mesg);
unit_give_away(ptr, givee, 0);
}
static int
still_ok_ship(struct sctstr *sectp, struct shpstr *shipp)
{
if (!check_sect_ok(sectp))
return 0;
if (!check_ship_ok(shipp))
return 0;
return 1;
}
static int
still_ok_land(struct sctstr *sectp, struct lndstr *landp)
{
if (!check_sect_ok(sectp))
return 0;
if (!check_land_ok(landp))
return 0;
return 1;
}
static int
load_plane_ship(struct sctstr *sectp, struct shpstr *sp, int noisy,
int load_unload, int *nshipsp)
{
struct nstr_item ni;
struct plnstr pln;
int loaded = 0;
char buf[1024];
char *p;
char prompt[512];
struct mchrstr *mcp = mchr + sp->shp_type;
if (mcp->m_nplanes + mcp->m_nchoppers + mcp->m_nxlight == 0) {
if (noisy)
pr("%s cannot carry planes\n", prship(sp));
return 0;
}
if (load_unload == LOAD &&
shp_nplane(sp, NULL, NULL, NULL)
>= mcp->m_nchoppers + mcp->m_nxlight + mcp->m_nplanes) {
if (noisy)
pr("%s doesn't have room for any more planes\n", prship(sp));
return 0;
}
sprintf(prompt, "Plane(s) to %s %s? ",
load_unload == LOAD ? "load onto" : "unload from", prship(sp));
p = getstarg(player->argp[3], prompt, buf);
if (!p)
return RET_SYN;
if (!snxtitem(&ni, EF_PLANE, p, NULL))
return RET_SYN;
if (!still_ok_ship(sectp, sp))
return RET_SYN;
if (noisy && p && *p)
noisy = isdigit(*p);
while (nxtitem(&ni, &pln)) {
if (pln.pln_own != player->cnum)
continue;
if (!(plchr[(int)pln.pln_type].pl_flags & P_L)
&& !(plchr[(int)pln.pln_type].pl_flags & P_E)
&& !(plchr[(int)pln.pln_type].pl_flags & P_K)
&& !(plchr[(int)pln.pln_type].pl_flags & P_M)
) {
if (noisy)
pr("You can only load light planes, helos, xtra-light, or missiles onto ships.\n");
continue;
}
if (load_unload == LOAD && pln.pln_ship > -1) {
if (noisy)
pr("%s is already on ship #%d!\n",
prplane(&pln), pln.pln_ship);
continue;
}
if (load_unload == LOAD && pln.pln_land > -1) {
if (noisy)
pr("%s is already on land unit #%d!\n",
prplane(&pln), pln.pln_land);
continue;
}
if (pln.pln_harden != 0) {
if (noisy)
pr("%s has been hardened and can't be loaded\n",
prplane(&pln));
continue;
}
/* Plane sanity done */
/* Find the right ship */
if (load_unload == UNLOAD) {
if (pln.pln_ship != sp->shp_uid)
continue;
} else if (sp->shp_x != pln.pln_x || sp->shp_y != pln.pln_y)
continue;
/* ship to (plane or missle) sanity */
if (!could_be_on_ship(&pln, sp, 0, 0, 0, 0)) {
if (plchr[(int)pln.pln_type].pl_flags & P_L) {
strcpy(buf, "planes");
} else if (plchr[(int)pln.pln_type].pl_flags & P_K) {
strcpy(buf, "choppers");
} else if (plchr[(int)pln.pln_type].pl_flags & P_M) {
strcpy(buf, "missiles");
} else if (plchr[(int)pln.pln_type].pl_flags & P_E) {
strcpy(buf, "extra light planes");
} /* else impossible */
if (noisy)
pr("%s cannot carry %s.\n", prship(sp), buf);
continue;
}
/* Fit plane on ship */
if (load_unload == LOAD) {
if (!put_plane_on_ship(&pln, sp)) {
if (noisy)
pr("Can't put plane %d on this ship!\n", pln.pln_uid);
continue;
}
sprintf(buf, "loaded on your %s at %s",
prship(sp), xyas(sp->shp_x, sp->shp_y, sp->shp_own));
gift(sp->shp_own, player->cnum, &pln, buf);
putplane(pln.pln_uid, &pln);
} else {
pln.pln_ship = -1;
sprintf(buf, "unloaded in your %s at %s",
dchr[sectp->sct_type].d_name,
xyas(sectp->sct_x, sectp->sct_y, sectp->sct_own));
gift(sectp->sct_own, player->cnum, &pln, buf);
putplane(pln.pln_uid, &pln);
}
pr("%s %s %s at %s.\n",
prplane(&pln),
(load_unload == UNLOAD) ?
"unloaded from" : "loaded onto",
prship(sp), xyas(sp->shp_x, sp->shp_y, player->cnum));
loaded = 1;
}
*nshipsp += loaded;
return 0;
}
static int
load_land_ship(struct sctstr *sectp, struct shpstr *sp, int noisy,
int load_unload, int *nshipsp)
{
struct nstr_item ni;
struct lndstr land;
int loaded = 0;
char *p;
char prompt[512];
char buf[1024];
int load_spy = 0;
if (load_unload == LOAD) {
if (opt_LANDSPIES) {
if ((mchr[(int)sp->shp_type].m_flags & M_SUB) &&
(mchr[(int)sp->shp_type].m_nland == 0)) {
if (shp_nland(sp) >= 2) {
pr("Non-land unit carrying subs can only carry up to two spy units.\n");
return 0;
}
/* Eh, let 'em load a spy only */
load_spy = 1;
}
}
if (!load_spy && shp_nland(sp) >= mchr[sp->shp_type].m_nland) {
if (noisy) {
if (mchr[(int)sp->shp_type].m_nland)
pr("%s doesn't have room for any more land units!\n",
prship(sp));
else
pr("%s cannot carry land units!\n", prship(sp));
}
return 0;
}
}
sprintf(prompt, "Land unit(s) to %s %s? ",
load_unload == LOAD ? "load onto" : "unload from", prship(sp));
p = getstarg(player->argp[3], prompt, buf);
if (!p)
return RET_SYN;
if (!snxtitem(&ni, EF_LAND, p, NULL))
return RET_SYN;
if (!still_ok_ship(sectp, sp))
return RET_SYN;
if (noisy && p && *p)
noisy = isdigit(*p);
while (nxtitem(&ni, &land)) {
if (land.lnd_own != player->cnum)
continue;
if (load_unload == LOAD) {
if (land.lnd_ship > -1) {
if (noisy)
pr("%s is already on ship #%d!\n",
prland(&land), land.lnd_ship);
continue;
}
if (land.lnd_land > -1) {
if (noisy)
pr("%s is already on land #%d!\n",
prland(&land), land.lnd_land);
continue;
}
if (lnd_first_on_land(&land) >= 0) {
if (noisy)
pr("%s cannot be loaded since it is carrying units\n",
prland(&land));
continue;
}
if (lchr[(int)land.lnd_type].l_flags & L_HEAVY) {
if (noisy)
pr("%s is too heavy to load.\n", prland(&land));
continue;
}
if (load_spy && !(lchr[(int)land.lnd_type].l_flags & L_SPY)) {
if (noisy)
pr("Subs can only carry spy units.\n");
continue;
}
}
/* Unit sanity done */
/* Find the right ship */
if (load_unload == UNLOAD) {
if (land.lnd_ship != sp->shp_uid)
continue;
if (land.lnd_land > -1)
continue;
} else if (sp->shp_x != land.lnd_x || sp->shp_y != land.lnd_y)
continue;
if ((!(lchr[(int)land.lnd_type].l_flags & L_LIGHT)) &&
(!((mchr[(int)sp->shp_type].m_flags & M_SUPPLY) &&
(!(mchr[(int)sp->shp_type].m_flags & M_SUB))))) {
if (noisy) {
pr("You can only load light units onto ships,\n");
pr("unless the ship is a non-sub supply ship\n");
pr("%s not loaded\n", prland(&land));
}
continue;
}
/* Fit unit on ship */
if (load_unload == LOAD) {
/* We have to check again, since it may have changed */
if (opt_LANDSPIES) {
if ((mchr[(int)sp->shp_type].m_flags & M_SUB) &&
(mchr[(int)sp->shp_type].m_nland == 0)) {
if (shp_nland(sp) >= 2) {
pr("Non-land unit carrying subs can only carry up to two spy units.\n");
return 0;
}
/* Eh, let 'em load a spy only */
load_spy = 1;
}
}
if (!load_spy && shp_nland(sp) >= mchr[sp->shp_type].m_nland) {
if (noisy) {
if (mchr[(int)sp->shp_type].m_nland)
pr("%s doesn't have room for any more land units!\n",
prship(sp));
else
pr("%s cannot carry land units!\n", prship(sp));
}
return 0;
}
sprintf(buf, "loaded on your %s at %s",
prship(sp), xyas(sp->shp_x, sp->shp_y, sp->shp_own));
gift(sp->shp_own, player->cnum, &land, buf);
land.lnd_ship = sp->shp_uid;
land.lnd_harden = 0;
#if 0
/*
* FIXME if this supplies from the sector, the putsect in
* load() / lload() duplicates those supplies, causing a
* seqno mismatch
*/
resupply_all(&land);
#endif
putland(land.lnd_uid, &land);
if (!has_supply(&land))
pr("WARNING: %s is out of supply!\n", prland(&land));
} else {
sprintf(buf, "unloaded in your %s at %s",
dchr[sectp->sct_type].d_name,
xyas(sectp->sct_x, sectp->sct_y, sectp->sct_own));
/* Spies are unloaded quietly, others aren't */
if (!(lchr[(int)land.lnd_type].l_flags & L_SPY))
gift(sectp->sct_own, player->cnum, &land, buf);
land.lnd_ship = -1;
putland(land.lnd_uid, &land);
}
pr("%s %s %s at %s.\n",
prland(&land),
(load_unload == UNLOAD) ?
"unloaded from" : "loaded onto",
prship(sp), xyas(sp->shp_x, sp->shp_y, player->cnum));
loaded = 1;
}
*nshipsp += loaded;
return 0;
}
static int
load_comm_ship(struct sctstr *sectp, struct shpstr *sp,
struct ichrstr *ich, int load_unload, int *nshipsp)
{
i_type item = ich->i_uid;
struct mchrstr *mcp = &mchr[(int)sp->shp_type];
int ship_amt, sect_amt, move_amt;
char prompt[512];
char *p;
char buf[1024];
sprintf(prompt, "Number of %s to %s %s at %s? ",
ich->i_name,
(load_unload == UNLOAD) ?
"unload from" : "load onto",
prship(sp), xyas(sp->shp_x, sp->shp_y, player->cnum));
if (!(p = getstarg(player->argp[3], prompt, buf)) || !*p)
return RET_SYN;
if (!still_ok_ship(sectp, sp))
return RET_SYN;
ship_amt = sp->shp_item[item];
sect_amt = sectp->sct_item[item];
move_amt = move_amount(sect_amt, ship_amt, mcp->m_item[item],
load_unload, atoi(p));
if (!load_comm_ok(sectp, sp->shp_own, item, move_amt))
return RET_OK;
if (!want_to_abandon(sectp, item, move_amt, 0))
return RET_FAIL;
if (!still_ok_ship(sectp, sp))
return RET_SYN;
sectp->sct_item[item] = sect_amt - move_amt;
sp->shp_item[item] = ship_amt + move_amt;
if (move_amt >= 0) {
pr("%d %s loaded onto %s at %s\n",
move_amt, ich->i_name,
prship(sp), xyas(sp->shp_x, sp->shp_y, player->cnum));
if (sp->shp_own != player->cnum) {
wu(0, sp->shp_own, "%s loaded %d %s onto %s at %s\n",
cname(player->cnum), move_amt, ich->i_name,
prship(sp), xyas(sp->shp_x, sp->shp_y, sp->shp_own));
}
} else {
pr("%d %s unloaded from %s at %s\n",
-move_amt, ich->i_name,
prship(sp), xyas(sp->shp_x, sp->shp_y, player->cnum));
if (sectp->sct_own != player->cnum) {
wu(0, sectp->sct_own, "%s unloaded %d %s from %s at %s\n",
cname(player->cnum), -move_amt, ich->i_name,
prship(sp), xyas(sp->shp_x, sp->shp_y, sectp->sct_own));
}
}
++*nshipsp;
return 0;
}
static int
load_plane_land(struct sctstr *sectp, struct lndstr *lp, int noisy,
int load_unload, int *nunitsp)
{
struct nstr_item ni;
struct plnstr pln;
int loaded = 0;
char *p;
char prompt[512];
char buf[1024];
struct lchrstr *lcp = lchr + lp->lnd_type;
if (!lcp->l_nxlight) {
if (noisy)
pr("%s cannot carry extra-light planes.\n", prland(lp));
return 0;
}
if (load_unload == LOAD && lnd_nxlight(lp) >= lcp->l_nxlight) {
if (noisy)
pr("%s doesn't have room for any more extra-light planes\n",
prland(lp));
return 0;
}
sprintf(prompt, "Plane(s) to %s %s? ",
load_unload == LOAD ? "load onto" : "unload from", prland(lp));
p = getstarg(player->argp[3], prompt, buf);
if (!p)
return RET_SYN;
if (!snxtitem(&ni, EF_PLANE, p, NULL))
return RET_SYN;
if (!still_ok_land(sectp, lp))
return RET_SYN;
if (noisy && p && *p)
noisy = isdigit(*p);
while (nxtitem(&ni, &pln)) {
if (pln.pln_own != player->cnum)
continue;
if (!(plchr[(int)pln.pln_type].pl_flags & P_E)) {
if (noisy)
pr("You can only load xlight planes onto units.\n");
continue;
}
if (load_unload == LOAD && pln.pln_ship > -1) {
if (noisy)
pr("%s is already on ship #%d!\n",
prplane(&pln), pln.pln_ship);
continue;
}
if (load_unload == LOAD && pln.pln_land > -1) {
if (noisy)
pr("%s is already on unit #%d!\n",
prplane(&pln), pln.pln_land);
continue;
}
if (pln.pln_harden != 0) {
if (noisy)
pr("%s has been hardened and can't be loaded\n",
prplane(&pln));
continue;
}
/* Plane sanity done */
/* Find the right unit */
if (load_unload == UNLOAD) {
if (pln.pln_land != lp->lnd_uid)
continue;
} else if (lp->lnd_x != pln.pln_x || lp->lnd_y != pln.pln_y)
continue;
/* Fit plane on unit */
if (load_unload == LOAD) {
if (!put_plane_on_land(&pln, lp)) {
if (noisy)
pr("Can't put plane %d on this unit!\n", pln.pln_uid);
continue;
}
sprintf(buf, "loaded on %s at %s",
prland(lp), xyas(lp->lnd_x, lp->lnd_y, lp->lnd_own));
gift(lp->lnd_own, player->cnum, &pln, buf);
putplane(pln.pln_uid, &pln);
} else {
pln.pln_land = -1;
sprintf(buf, "unloaded at your sector at %s",
xyas(sectp->sct_x, sectp->sct_y, sectp->sct_own));
gift(sectp->sct_own, player->cnum, &pln, buf);
putplane(pln.pln_uid, &pln);
}
pr("%s %s %s at %s.\n",
prplane(&pln),
(load_unload == UNLOAD) ?
"unloaded from" : "loaded onto",
prland(lp), xyas(lp->lnd_x, lp->lnd_y, player->cnum));
loaded = 1;
}
*nunitsp += loaded;
return 0;
}
static int
load_comm_land(struct sctstr *sectp, struct lndstr *lp,
struct ichrstr *ich, int load_unload, int *nunitsp)
{
i_type item = ich->i_uid;
struct lchrstr *lcp = &lchr[(int)lp->lnd_type];
int land_amt, sect_amt, move_amt;
char prompt[512];
char *p;
char buf[1024];
sprintf(prompt, "Number of %s to %s %s at %s? ",
ich->i_name,
(load_unload == UNLOAD) ?
"unload from" : "load onto",
prland(lp), xyas(lp->lnd_x, lp->lnd_y, player->cnum));
if (!(p = getstarg(player->argp[3], prompt, buf)) || !*p)
return RET_SYN;
if (!still_ok_land(sectp, lp))
return RET_SYN;
land_amt = lp->lnd_item[item];
sect_amt = sectp->sct_item[item];
move_amt = move_amount(sect_amt, land_amt, lcp->l_item[item],
load_unload, atoi(p));
if (!load_comm_ok(sectp, lp->lnd_own, item, move_amt))
return RET_OK;
sectp->sct_item[item] = sect_amt - move_amt;
lp->lnd_item[item] = land_amt + move_amt;
/* Did we put mils onto this unit? If so, reset the fortification */
if (item == I_MILIT && move_amt > 0)
lp->lnd_harden = 0;
if (move_amt >= 0) {
pr("%d %s loaded onto %s at %s\n",
move_amt, ich->i_name,
prland(lp), xyas(lp->lnd_x, lp->lnd_y, player->cnum));
if (lp->lnd_own != player->cnum) {
wu(0, lp->lnd_own, "%s loaded %d %s onto %s at %s\n",
cname(player->cnum), move_amt, ich->i_name,
prland(lp), xyas(lp->lnd_x, lp->lnd_y, lp->lnd_own));
}
} else {
pr("%d %s unloaded from %s at %s\n",
-move_amt, ich->i_name,
prland(lp), xyas(lp->lnd_x, lp->lnd_y, player->cnum));
if (sectp->sct_own != player->cnum) {
wu(0, sectp->sct_own, "%s unloaded %d %s from %s at %s\n",
cname(player->cnum), -move_amt, ich->i_name,
prland(lp), xyas(lp->lnd_x, lp->lnd_y, sectp->sct_own));
}
}
++*nunitsp;
return 0;
}
static int
load_land_land(struct sctstr *sectp, struct lndstr *lp, int noisy,
int load_unload, int *nunitsp)
{
struct nstr_item ni;
struct lndstr land;
int loaded = 0;
char *p;
char prompt[512];
char buf[1024];
if (load_unload == LOAD
&& lnd_nland(lp) >= lchr[lp->lnd_type].l_nland) {
if (noisy) {
if (lchr[lp->lnd_type].l_nland)
pr("%s doesn't have room for any more land units!\n",
prland(lp));
else
pr("%s cannot carry land units!\n", prland(lp));
}
return 0;
}
sprintf(prompt, "Land unit(s) to %s %s? ",
load_unload == LOAD ? "load onto" : "unload from", prland(lp));
p = getstarg(player->argp[3], prompt, buf);
if (!p)
return RET_SYN;
if (!snxtitem(&ni, EF_LAND, p, NULL))
return RET_SYN;
if (!still_ok_land(sectp, lp))
return RET_SYN;
if (noisy && p && *p)
noisy = isdigit(*p);
while (nxtitem(&ni, &land)) {
if (land.lnd_own != player->cnum)
continue;
if (load_unload == LOAD) {
if (land.lnd_ship > -1) {
if (noisy)
pr("%s is already on ship #%d!\n",
prland(&land), land.lnd_ship);
continue;
}
if (land.lnd_land > -1) {
if (noisy)
pr("%s is already on land #%d!\n",
prland(&land), land.lnd_land);
continue;
}
if (lnd_first_on_land(&land) >= 0) {
if (noisy)
pr("%s cannot be loaded since it is carrying units\n",
prland(&land));
continue;
}
if (land.lnd_uid == lp->lnd_uid) {
if (noisy)
pr("%s can't be loaded onto itself!\n", prland(&land));
continue;
}
if (lchr[(int)land.lnd_type].l_flags & (L_HEAVY | L_TRAIN)) {
if (noisy)
pr("%s is too heavy to load.\n", prland(&land));
continue;
}
}
/* Unit sanity done */
/* Find the right ship */
if (load_unload == UNLOAD) {
if (land.lnd_land != lp->lnd_uid)
continue;
if (land.lnd_ship > -1)
continue;
} else if (lp->lnd_x != land.lnd_x || lp->lnd_y != land.lnd_y)
continue;
/* Fit unit on ship */
if (load_unload == LOAD) {
if (lnd_nland(lp) >= lchr[lp->lnd_type].l_nland) {
if (noisy) {
if (lchr[lp->lnd_type].l_nland)
pr("%s doesn't have room for any more land units!\n",
prland(lp));
else
pr("%s cannot carry land units!\n", prland(lp));
}
break;
}
sprintf(buf, "loaded on your %s at %s",
prland(lp), xyas(lp->lnd_x, lp->lnd_y, lp->lnd_own));
gift(lp->lnd_own, player->cnum, &land, buf);
land.lnd_land = lp->lnd_uid;
land.lnd_harden = 0;
#if 0
/* FIXME same issue as in load_land_ship() */
resupply_all(&land);
#endif
putland(land.lnd_uid, &land);
if (!has_supply(&land))
pr("WARNING: %s is out of supply!\n", prland(&land));
} else {
sprintf(buf, "unloaded in your %s at %s",
dchr[sectp->sct_type].d_name,
xyas(sectp->sct_x, sectp->sct_y, sectp->sct_own));
gift(sectp->sct_own, player->cnum, &land, buf);
land.lnd_land = -1;
putland(land.lnd_uid, &land);
}
pr("%s %s %s at %s.\n",
prland(&land),
(load_unload == UNLOAD) ?
"unloaded from" : "loaded onto",
prland(lp), xyas(lp->lnd_x, lp->lnd_y, player->cnum));
loaded = 1;
}
*nunitsp += loaded;
return 0;
}
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