/*
* Empire - A multi-player, client/server Internet based war game.
- * Copyright (C) 1986-2000, Dave Pare, Jeff Bailey, Thomas Ruschak,
+ * Copyright (C) 1986-2010, Dave Pare, Jeff Bailey, Thomas Ruschak,
* Ken Stevens, Steve McClure
*
* This program is free software; you can redistribute it and/or modify
*
* ---
*
- * 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.
*
* ---
*
* nav_util.c: Utilities for autonav and sail
- *
+ *
* Known contributors to this file:
- *
+ *
*/
-#include "misc.h"
+#include <config.h>
-#include <ctype.h>
-#include "var.h"
-#include "ship.h"
-#include "plane.h"
+#include "item.h"
#include "land.h"
-#include "nuke.h"
-#include "sect.h"
-#include "news.h"
-#include "xy.h"
#include "nsc.h"
-#include "nat.h"
#include "path.h"
-#include "deity.h"
-#include "file.h"
-#include "item.h"
-#include "optlist.h"
-#include "player.h"
+#include "plague.h"
+#include "plane.h"
+#include "ship.h"
#include "update.h"
-#include "subs.h"
-#include "common.h"
-#include "gen.h"
-
-/* Format a ship name */
-int
-check_nav(struct sctstr *sect)
-{
- switch (dchr[sect->sct_type].d_flg & 03) {
- case NAVOK:
- break;
-
- case NAV_02:
- if (sect->sct_effic < 2)
- return CN_CONSTRUCTION;
- break;
- case NAV_60:
- if (sect->sct_effic < 60)
- return CN_CONSTRUCTION;
- break;
- default:
- return CN_LANDLOCKED;
- }
- return CN_NAVIGABLE;
-}
-/* load a specific ship given its
+/* load a specific ship given its
* location and what field to modify.
* new autonav code
- * Chad Zabel 6/1/94
+ * Chad Zabel 6/1/94
*/
int
-load_it(register struct shpstr *sp, register struct sctstr *psect, int i)
+load_it(struct shpstr *sp, struct sctstr *psect, int i)
{
- int comm, shipown, amount, ship_amt, sect_amt,
- abs_max, max_amt, transfer;
- s_char item;
+ int shipown, amount, ship_amt, sect_amt;
+ int abs_max, max_amt, transfer;
+ i_type comm;
struct mchrstr *vship;
amount = sp->shp_lend[i];
shipown = sp->shp_own;
- item = sp->shp_tend[i]; /* commodity */
- comm = com_num(&item);
+ comm = sp->shp_tend[i];
+ if (CANT_HAPPEN(comm <= I_NONE || comm > I_MAX))
+ return 0;
- ship_amt = getvar(comm, (s_char *)sp, EF_SHIP);
- sect_amt = getvar(comm, (s_char *)psect, EF_SECTOR);
+ ship_amt = sp->shp_item[comm];
+ sect_amt = psect->sct_item[comm];
/* check for disloyal civilians */
- if (psect->sct_oldown != shipown && comm == V_CIVIL) {
+ if (psect->sct_oldown != shipown && comm == I_CIVIL) {
wu(0, shipown,
"Ship #%d - unable to load disloyal civilians at %s.",
sp->shp_uid, xyas(psect->sct_x, psect->sct_y, psect->sct_own));
return 0;
}
- if (comm == V_CIVIL || comm == V_MILIT)
+ if (comm == I_CIVIL || comm == I_MILIT)
sect_amt--; /* leave 1 civ or mil to hold the sector. */
vship = &mchr[(int)sp->shp_type];
- abs_max = max_amt = (vl_find(comm, vship->m_vtype,
- vship->m_vamt, (int)vship->m_nv));
+ abs_max = max_amt = vship->m_item[comm];
if (!abs_max)
return 0; /* can't load the ship, skip to the end. */
- max_amt = min(sect_amt, max_amt - ship_amt);
+ max_amt = MIN(sect_amt, max_amt - ship_amt);
if (max_amt <= 0 && (ship_amt != abs_max)) {
sp->shp_autonav |= AN_LOADING;
return 0;
transfer = abs_max - ship_amt; /* then the max alowed */
/* on the ship. */
- if (transfer == 0)
+ if (transfer <= 0)
return 0; /* nothing to move */
- putvar(comm, ship_amt + transfer, (s_char *)sp, EF_SHIP);
- if (comm == V_CIVIL || comm == V_MILIT)
+ sp->shp_item[comm] = ship_amt + transfer;
+ if (comm == I_CIVIL || comm == I_MILIT)
sect_amt++; /*adjustment */
- putvar(comm, sect_amt - transfer, (s_char *)psect, EF_SECTOR);
+ psect->sct_item[comm] = sect_amt - transfer;
/* deal with the plague */
- if (getvar(V_PSTAGE, (s_char *)psect, EF_SECTOR) == PLG_INFECT &&
- getvar(V_PSTAGE, (s_char *)sp, EF_SHIP) == PLG_HEALTHY)
- putvar(V_PSTAGE, PLG_EXPOSED, (s_char *)sp, EF_SHIP);
- if (getvar(V_PSTAGE, (s_char *)sp, EF_SHIP) == PLG_INFECT &&
- getvar(V_PSTAGE, (s_char *)psect, EF_SECTOR) == PLG_HEALTHY)
- putvar(V_PSTAGE, PLG_EXPOSED, (s_char *)psect, EF_SECTOR);
+ if (psect->sct_pstage == PLG_INFECT && sp->shp_pstage == PLG_HEALTHY)
+ sp->shp_pstage = PLG_EXPOSED;
+ if (sp->shp_pstage == PLG_INFECT && psect->sct_pstage == PLG_HEALTHY)
+ psect->sct_pstage = PLG_EXPOSED;
return 1; /* we did someloading return 1 to keep */
/* our loop happy in nav_ship() */
}
-/* unload_it
+/* unload_it
* A guess alot of this looks like load_it but because of its location
* in the autonav code I had to split the 2 procedures up.
* unload_it dumps all the goods from the ship to the harbor.
* ONLY goods in the trade fields will be unloaded.
* new autonav code
- * Chad Zabel 6/1/94
+ * Chad Zabel 6/1/94
*/
void
-unload_it(register struct shpstr *sp)
+unload_it(struct shpstr *sp)
{
struct sctstr *sectp;
- s_char item;
int i;
int landowner;
int shipown;
- int comm;
+ i_type comm;
int sect_amt;
int ship_amt;
- int abs_max = 99999; /* max amount a sector can hold. */
int max_amt;
- int level;
-
sectp = getsectp(sp->shp_x, sp->shp_y);
shipown = sp->shp_own;
for (i = 0; i < TMAX; ++i) {
- item = sp->shp_tend[i];
- level = sp->shp_lend[i];
-
- if (item == ' ' || level == 0)
+ if (sp->shp_tend[i] == I_NONE || sp->shp_lend[i] == 0)
continue;
if (landowner == 0)
continue;
if (sectp->sct_type != SCT_HARBR)
continue;
- comm = com_num(&item);
- ship_amt = getvar(comm, (s_char *)sp, EF_SHIP);
- sect_amt = getvar(comm, (s_char *)sectp, EF_SECTOR);
+ comm = sp->shp_tend[i];
+ if (CANT_HAPPEN(comm <= I_NONE || comm > I_MAX))
+ continue;
+ ship_amt = sp->shp_item[comm];
+ sect_amt = sectp->sct_item[comm];
/* check for disloyal civilians */
- if (sectp->sct_oldown != shipown && comm == V_CIVIL) {
+ if (sectp->sct_oldown != shipown && comm == I_CIVIL) {
wu(0, sp->shp_own,
"Ship #%d - unable to unload civilians into a disloyal sector at %s.",
sp->shp_uid, xyas(sectp->sct_x, sectp->sct_y,
sectp->sct_own));
continue;
}
- if (comm == V_CIVIL)
+ if (comm == I_CIVIL)
ship_amt--; /* This leaves 1 civs on board the ship */
- if (sect_amt >= abs_max)
- continue; /* The sector is full. */
-
- max_amt = min(ship_amt, abs_max - sect_amt);
-
+ max_amt = MIN(ship_amt, ITEM_MAX - sect_amt);
if (max_amt <= 0)
continue;
- putvar(comm, ship_amt - max_amt, (s_char *)sp, EF_SHIP);
- putvar(comm, sect_amt + max_amt, (s_char *)sectp, EF_SECTOR);
-
- if (getvar(V_PSTAGE, (s_char *)sectp, EF_SECTOR) == PLG_INFECT &&
- getvar(V_PSTAGE, (s_char *)sp, EF_SHIP) == PLG_HEALTHY)
- putvar(V_PSTAGE, PLG_EXPOSED, (s_char *)sp, EF_SHIP);
-
- if (getvar(V_PSTAGE, (s_char *)sp, EF_SHIP) == PLG_INFECT &&
- getvar(V_PSTAGE, (s_char *)sectp, EF_SECTOR) == PLG_HEALTHY)
- putvar(V_PSTAGE, PLG_EXPOSED, (s_char *)sectp, EF_SECTOR);
+ sp->shp_item[comm] = ship_amt - max_amt;
+ sectp->sct_item[comm] = sect_amt + max_amt;
+ if (sectp->sct_pstage == PLG_INFECT && sp->shp_pstage == PLG_HEALTHY)
+ sp->shp_pstage = PLG_EXPOSED;
+ if (sp->shp_pstage == PLG_INFECT && sectp->sct_pstage == PLG_HEALTHY)
+ sectp->sct_pstage = PLG_EXPOSED;
}
-
-}
-
-/* com_num
- * This small but useful bit of code runs through the list
- * of commodities and return the integer value of the
- * commodity it finds if possible. Very handy when using getvar().
- * Basicly its a hacked version of whatitem.c found in the
- * /player directory.
- * new autonav code.
- * Chad Zabel 6/1/94
- */
-
-int
-com_num(s_char *ptr)
-{
- struct ichrstr *ip;
-
- for (ip = &ichr[1]; ip->i_mnem != 0; ip++) {
- if (*ptr == ip->i_mnem)
- return ip->i_vtype;
- }
- return 0; /*NOTREACHED*/
-}
-
-
-
-/* auto_fuel_ship
- * Assume a check for fuel=0 has already been made and passed.
- * Try to fill a ship using petro. and then oil.
- * new autonav code.
- * This should be merged with the fuel command someday.
- * Chad Zabel 6/1/94
- */
-
-void
-auto_fuel_ship(register struct shpstr *sp)
-{
- double d;
- int totalfuel = 0;
- int need;
- int maxfuel;
- int newfuel = 0;
- int add_fuel = 0;
-
- if (opt_FUEL == 0)
- return;
- getship(sp->shp_uid, sp); /* refresh */
- /* fill with petro */
- maxfuel = mchr[(int)sp->shp_type].m_fuelc;
- d = (double)maxfuel / 5.0;
- if ((d - (int)d > 0.0))
- d++;
- need = (int)d;
-
- newfuel = supply_commod(sp->shp_own, sp->shp_x,
- sp->shp_y, I_PETROL, need);
- add_fuel += newfuel * 5;
- if (add_fuel > maxfuel)
- add_fuel = maxfuel;
- sp->shp_fuel += add_fuel;
- totalfuel += add_fuel;
-
- if (totalfuel == maxfuel) {
- putship(sp->shp_uid, sp);
- return; /* the ship is full */
- }
- add_fuel = 0;
- /* fill with oil */
- d = (double)(maxfuel - totalfuel) / 50.0;
- if ((d - (int)d > 0.0))
- d++;
- need = (int)d;
-
- newfuel = supply_commod(sp->shp_own, sp->shp_x,
- sp->shp_y, I_OIL, need);
- add_fuel = newfuel * 50;
- if (add_fuel > maxfuel)
- add_fuel = maxfuel;
- sp->shp_fuel += add_fuel;
- putship(sp->shp_uid, sp);
}
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