/*
* Empire - A multi-player, client/server Internet based war game.
- * Copyright (C) 1986-2000, Dave Pare, Jeff Bailey, Thomas Ruschak,
+ * Copyright (C) 1986-2006, 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.
*
* ---
*
* Ken Stevens, 1995
*/
+#include <config.h>
+
#include "misc.h"
#include <ctype.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 "deity.h"
#include "file.h"
#include "item.h"
#include "optlist.h"
#include "common.h"
#include <stdlib.h>
-extern int check_nav(struct sctstr *sect);
+static void swap(struct shpstr *);
-void
-scuttle_it(register struct shpstr *sp)
+static void
+scuttle_it(struct shpstr *sp)
{
struct sctstr *sectp;
sp->shp_autonav &= ~AN_SCUTTLE;
- if (!(sectp = getsectp(sp->shp_x,sp->shp_y))) {
+ if (!(sectp = getsectp(sp->shp_x, sp->shp_y))) {
wu(0, 0, "bad sector (%d,%d) ship %d\n", sp->shp_x, sp->shp_y,
sp->shp_uid);
return;
}
if (opt_TRADESHIPS) {
if (!(mchr[(int)sp->shp_type].m_flags & M_TRADE)) {
- wu(0, sp->shp_own,
- "You can only autoscuttle trade ships!\n");
+ wu(0, sp->shp_own, "You can only autoscuttle trade ships!\n");
return;
}
}
wu(0, sp->shp_own, "Scuttling %s in sector %s\n",
- prship(sp),
- xyas(sp->shp_x, sp->shp_y, sp->shp_own));
+ prship(sp), xyas(sp->shp_x, sp->shp_y, sp->shp_own));
if (opt_TRADESHIPS) {
scuttle_tradeship(sp, 0);
}
}
static void
-nav_check_atdest(register struct shpstr *sp, struct mchrstr *mcp)
+nav_check_atdest(struct shpstr *sp)
{
- if ((sp->shp_x == sp->shp_destx[0]) &&
- (sp->shp_y == sp->shp_desty[0])) {
+ if ((sp->shp_x == sp->shp_destx[0]) && (sp->shp_y == sp->shp_desty[0])) {
if ((sp->shp_destx[0] == sp->shp_destx[1]) &&
(sp->shp_desty[0] == sp->shp_desty[1])) {
-
+
/* End of road */
-
+
sp->shp_autonav &= ~AN_AUTONAV;
wu(0, sp->shp_own, "%s arrived at %s, finished\n",
- prship(sp),
- xyas(sp->shp_x,sp->shp_y,sp->shp_own));
+ prship(sp), xyas(sp->shp_x, sp->shp_y, sp->shp_own));
if (sp->shp_autonav & AN_SCUTTLE) {
scuttle_it(sp);
}
/* unload all cargo */
unload_it(sp);
wu(0, sp->shp_own, "%s arrived at %s\n",
- prship(sp),
- xyas(sp->shp_x,sp->shp_y,sp->shp_own));
+ prship(sp), xyas(sp->shp_x, sp->shp_y, sp->shp_own));
/* Swap */
- swap(sp);
+ swap(sp);
}
} else
sp->shp_autonav &= ~AN_LOADING;
/* flip the 2 fields that deal with autonav movement. */
/* CZ 6/1/94 */
-void
-swap(register struct shpstr *sp)
+static void
+swap(struct shpstr *sp)
{
- coord tcord;
- s_char tcomm[TMAX];
- short lev[TMAX];
- int i;
-
- tcord = sp->shp_destx[0];
- sp->shp_destx[0] = sp->shp_destx[1];
- sp->shp_destx[1] = tcord;
- tcord = sp->shp_desty[0];
- sp->shp_desty[0] = sp->shp_desty[1];
- sp->shp_desty[1] = tcord;
-
- for (i=0;i<TMAX;++i){
- lev[i] = sp->shp_lstart[i];
- tcomm[i] = sp->shp_tstart[i]; }
-
- for (i=0;i<TMAX;++i) {
+ coord tcord;
+ i_type tcomm[TMAX];
+ short lev[TMAX];
+ int i;
+
+ tcord = sp->shp_destx[0];
+ sp->shp_destx[0] = sp->shp_destx[1];
+ sp->shp_destx[1] = tcord;
+ tcord = sp->shp_desty[0];
+ sp->shp_desty[0] = sp->shp_desty[1];
+ sp->shp_desty[1] = tcord;
+
+ for (i = 0; i < TMAX; ++i) {
+ lev[i] = sp->shp_lstart[i];
+ tcomm[i] = sp->shp_tstart[i];
+ }
+
+ for (i = 0; i < TMAX; ++i) {
sp->shp_lstart[i] = sp->shp_lend[i];
- sp->shp_tstart[i] = sp->shp_tend[i]; }
+ sp->shp_tstart[i] = sp->shp_tend[i];
+ }
- for (i=0;i<TMAX;++i) {
- sp->shp_lend[i] = lev[i];
- sp->shp_tend[i] = tcomm[i]; }
+ for (i = 0; i < TMAX; ++i) {
+ sp->shp_lend[i] = lev[i];
+ sp->shp_tend[i] = tcomm[i];
+ }
- /* set load bit */
- sp->shp_autonav |= AN_LOADING;
+ /* set load bit */
+ sp->shp_autonav |= AN_LOADING;
}
/* New Autonav code.
* 6-1-94
*/
-static int
-nav_loadship(register struct shpstr *sp, natid cnum)
+static int
+nav_loadship(struct shpstr *sp, natid cnum)
{
- struct sctstr *sectp;
- s_char item;
- int i,
- landown,
- shipown,
- level,
- didsomething[TMAX],
- rel;
-
- for (i=0;i<TMAX;i++)
- didsomething[i]=0;
+ struct sctstr *sectp;
+ int i, landown, shipown, didsomething[TMAX], rel;
- /* Turn off the loading flag.
- * if any of the loads fail on the ship
- * it will be turned back on.
- */
+ for (i = 0; i < TMAX; i++)
+ didsomething[i] = 0;
- sp->shp_autonav &= ~AN_LOADING;
+ /* Turn off the loading flag.
+ * if any of the loads fail on the ship
+ * it will be turned back on.
+ */
- if (!(sectp = getsectp(sp->shp_x,sp->shp_y)))
- return RET_SYS; /* safety */
- /* I suspect RET_SYS isn't really what you want here --dfp */
+ sp->shp_autonav &= ~AN_LOADING;
+ if (!(sectp = getsectp(sp->shp_x, sp->shp_y)))
+ return RET_SYS; /* safety */
+ /* I suspect RET_SYS isn't really what you want here --dfp */
- landown = sectp->sct_own;
- shipown = sp->shp_own;
- rel = getrel(getnatp(sectp->sct_own),cnum);
- /* loop through each field for that ship */
- for (i=0;i<TMAX;++i) {
- item = sp->shp_tend[i]; /* commodity */
- level = sp->shp_lend[i]; /* amount */
+ landown = sectp->sct_own;
+ shipown = sp->shp_own;
+ rel = getrel(getnatp(sectp->sct_own), cnum);
- /* check and see if the data fields have been set. */
+ /* loop through each field for that ship */
+ for (i = 0; i < TMAX; ++i) {
+ /* check and see if the data fields have been set. */
- if (item == ' ' || level == 0) {
- /* nothing to do move on. */
- didsomething[i] = 1;
- continue;
- }
- if (landown == 0) {
- /* either sea or deity harbor */
- didsomething[i] = 1;
- continue;
- }
- if (sectp->sct_type != SCT_HARBR &&
- (!opt_BIG_CITY || sectp->sct_type != SCT_CAPIT)) {
- /* we can only load in harbors */
- didsomething[i] = 1;
- continue;
- }
- if (landown == shipown || rel >= FRIENDLY)
- didsomething[i] = load_it(sp,sectp,i);
+ if (sp->shp_tend[i] == I_NONE || sp->shp_lend[i] == 0) {
+ /* nothing to do move on. */
+ didsomething[i] = 1;
+ continue;
}
+ if (landown == 0) {
+ /* either sea or deity harbor */
+ didsomething[i] = 1;
+ continue;
+ }
+ if (!sect_has_dock(sectp)) {
+ /* we can only load in harbors */
+ didsomething[i] = 1;
+ continue;
+ }
+ if (landown == shipown || rel >= FRIENDLY)
+ didsomething[i] = load_it(sp, sectp, i);
+ }
- /* check for any unsucessful loads */
- /* if we have any return 0 to stop */
- /* the nav_ship loop. */
+ /* check for any unsucessful loads */
+ /* if we have any return 0 to stop */
+ /* the nav_ship loop. */
- for (i=0;i<TMAX;i++) {
- if(didsomething[i] == 0)
- return 0;
- }
- /* All loads were succesful */
- return 1;
-}
+ for (i = 0; i < TMAX; i++) {
+ if (didsomething[i] == 0)
+ return 0;
+ }
+ /* All loads were succesful */
+ return 1;
+}
/* new autonav code.
*
* Chad Zabel.
* 6-1-94
* Modified to use shp_nav by Ken Stevens 1995
- */
+ */
int
-nav_ship(register struct shpstr *sp)
+nav_ship(struct shpstr *sp)
{
- extern double techfact(int, double);
- struct sctstr *sectp;
- s_char *cp,item;
- int stopping;
- int quit;
- int didsomething = 0;
- int max_amt, food_amt, comm;
- s_char buf[1024];
- struct emp_qelem ship_list;
- struct emp_qelem *qp, *newqp;
- struct mlist *mlp;
- int dummyint;
- double dummydouble;
- int dir;
- natid cnum;
- struct mchrstr *mcp, *vship;
-
- /* just return if no autonaving to do for this ship */
- if (!(sp->shp_autonav & AN_AUTONAV) || (sp->shp_autonav & AN_STANDBY))
- return RET_OK;
-
- cnum = sp->shp_own;
- vship = mcp = &mchr[(int)sp->shp_type];
-
- /* Make a list of one ships so we can use the navi.c code */
- emp_initque(&ship_list);
- mlp = (struct mlist *) malloc(sizeof(struct mlist));
- mlp->mcp = mchr + sp->shp_type;
- bcopy((s_char *)sp, (s_char *)&mlp->ship, sizeof(struct shpstr));
- mlp->mobil = (double)sp->shp_mobil;
- emp_insque(&mlp->queue, &ship_list);
-
- quit = 1; /* setup loop, we want to check it 1 time. */
-
- do {
- if ((sp->shp_mobil > 0) && (!(sp->shp_autonav & AN_LOADING)) &&
- (!(sp->shp_autonav & AN_STANDBY))) {
- shp_nav(&ship_list, &dummydouble, &dummydouble, &dummyint,
- sp->shp_own);
- if (QEMPTY(&ship_list))
- return RET_OK;
- /* before we move check to see if ship needs fuel. */
- sectp = getsectp(sp->shp_x,sp->shp_y);
- if (opt_FUEL &&
- sectp->sct_own != 0 &&
- sp->shp_fuel <= 0 &&
- mlp->mcp->m_fuelu != 0)
- auto_fuel_ship(sp);
- mlp->ship.shp_fuel = sp->shp_fuel;
-
- cp = BestShipPath(buf, sp->shp_x, sp->shp_y,
- sp->shp_destx[0], sp->shp_desty[0],
- sp->shp_own);
- if (cp == 0 || (*cp == '\0') || (*cp == '?')) {
- wu(0, cnum,
- "%s bad path, ship put on standby\n",
- prship(sp));
- sp->shp_autonav |= AN_STANDBY;
- putship(sp->shp_uid, (s_char *)sp);
-
- /* We need to free the ship list */
- qp = ship_list.q_forw;
- while (qp != &(ship_list)) {
- newqp = qp->q_forw;
- emp_remque(qp);
- free((s_char *)qp);
- qp = newqp;
- }
- return RET_SYN;
- }
- stopping = 0;
-
- while (*cp && !stopping && sp->shp_own &&
- mlp->mobil > 0.0) {
- dir = chkdir(*cp++, DIR_STOP, DIR_LAST);
-
- stopping |= shp_nav_one_sector(&ship_list, dir,
- sp->shp_own, 0);
+ struct sctstr *sectp;
+ char *cp;
+ int stopping;
+ int quit;
+ int didsomething = 0;
+ int max_amt, food_amt;
+ char buf[1024];
+ struct emp_qelem ship_list;
+ struct emp_qelem *qp, *newqp;
+ struct mlist *mlp;
+ int dummyint;
+ double dummydouble;
+ int dir;
+ natid cnum;
+ struct mchrstr *mcp, *vship;
+
+ /* just return if no autonaving to do for this ship */
+ if (!(sp->shp_autonav & AN_AUTONAV) || (sp->shp_autonav & AN_STANDBY))
+ return RET_OK;
+
+ cnum = sp->shp_own;
+ vship = mcp = &mchr[(int)sp->shp_type];
+
+ /* Make a list of one ships so we can use the navi.c code */
+ emp_initque(&ship_list);
+ mlp = malloc(sizeof(struct mlist));
+ mlp->mcp = mchr + sp->shp_type;
+ mlp->ship = *sp;
+ mlp->mobil = (double)sp->shp_mobil;
+ emp_insque(&mlp->queue, &ship_list);
+
+ quit = 1; /* setup loop, we want to check it 1 time. */
+
+ do {
+ if ((sp->shp_mobil > 0) && (!(sp->shp_autonav & AN_LOADING)) &&
+ (!(sp->shp_autonav & AN_STANDBY))) {
+ shp_nav(&ship_list, &dummydouble, &dummydouble, &dummyint,
+ sp->shp_own);
+ if (QEMPTY(&ship_list))
+ return RET_OK;
+ /* before we move check to see if ship needs fuel. */
+ sectp = getsectp(sp->shp_x, sp->shp_y);
+ if (opt_FUEL &&
+ sectp->sct_own != 0 &&
+ sp->shp_fuel <= 0 && mlp->mcp->m_fuelu != 0)
+ auto_fuel_ship(sp);
+ mlp->ship.shp_fuel = sp->shp_fuel;
+
+ cp = BestShipPath(buf, sp->shp_x, sp->shp_y,
+ sp->shp_destx[0], sp->shp_desty[0],
+ sp->shp_own);
+ if (cp == 0 || (*cp == '\0') || (*cp == '?')) {
+ wu(0, cnum,
+ "%s bad path, ship put on standby\n", prship(sp));
+ sp->shp_autonav |= AN_STANDBY;
+ putship(sp->shp_uid, sp);
+
+ /* We need to free the ship list */
+ qp = ship_list.q_forw;
+ while (qp != &ship_list) {
+ newqp = qp->q_forw;
+ emp_remque(qp);
+ free(qp);
+ qp = newqp;
}
-
-/* sp->shp_mobil = (int) mobil;
- */
- /* Ship not sunk */
- if (sp->shp_own)
- nav_check_atdest(sp, mcp);
+ return RET_SYN;
}
-
- quit = 0; /* stop loop */
-
- /* Try to load the ship */
- if (sp->shp_autonav & AN_LOADING) {
- didsomething = nav_loadship(sp, cnum);
- if (didsomething)
- quit = 1;
- }
- /* special case for fishing boats */
- if ((mchr[(int)sp->shp_type].m_flags & M_FOOD) == 1) {
- item = (s_char)'f';
- comm = com_num(&item);
- food_amt=getvar(comm,(s_char *) sp, EF_SHIP);
- max_amt=(vl_find(comm,vship->m_vtype,
- vship->m_vamt,
- (int) vship->m_nv));
- sectp=getsectp(sp->shp_x,sp->shp_y);
-
- if (food_amt<max_amt && (sectp->sct_own==0))
- quit=0;
+ stopping = 0;
+
+ while (*cp && !stopping && sp->shp_own && mlp->mobil > 0.0) {
+ dir = diridx(*cp++);
+ stopping |= shp_nav_one_sector(&ship_list, dir,
+ sp->shp_own, 0);
}
- /* reset flag and check if we can move. */
-
- } while (quit); /* end loop */
-
- putship(sp->shp_uid, sp);
-
- /* We need to free the ship list (just in case) */
- qp = ship_list.q_forw;
- while (qp != &(ship_list)) {
- newqp = qp->q_forw;
- emp_remque(qp);
- free((s_char *)qp);
- qp = newqp;
+
+ /* Ship not sunk */
+ if (sp->shp_own)
+ nav_check_atdest(sp);
}
- return RET_OK;
-}
+
+ quit = 0; /* stop loop */
+
+ /* Try to load the ship */
+ if (sp->shp_autonav & AN_LOADING) {
+ didsomething = nav_loadship(sp, cnum);
+ if (didsomething)
+ quit = 1;
+ }
+ /* special case for fishing boats */
+ if ((mchr[(int)sp->shp_type].m_flags & M_FOOD) == 1) {
+ food_amt = sp->shp_item[I_FOOD];
+ max_amt = vship->m_item[I_FOOD];
+ sectp = getsectp(sp->shp_x, sp->shp_y);
+
+ if (food_amt < max_amt && (sectp->sct_own == 0))
+ quit = 0;
+ }
+ /* reset flag and check if we can move. */
+
+ } while (quit); /* end loop */
+
+ putship(sp->shp_uid, sp);
+
+ /* We need to free the ship list (just in case) */
+ qp = ship_list.q_forw;
+ while (qp != &ship_list) {
+ newqp = qp->q_forw;
+ emp_remque(qp);
+ free(qp);
+ qp = newqp;
+ }
+ return RET_OK;
+}
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