/*
* Empire - A multi-player, client/server Internet based war game.
- * Copyright (C) 1986-2008, 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
* ---
*
* multifire.c: Fire at other sectors/ships
- *
+ *
* Known contributors to this file:
* Steve McClure, 2000
+ * Markus Armbruster, 2004-2009
*/
#include <config.h>
#include "retreat.h"
enum targ_type {
- targ_land, targ_ship, targ_sub, targ_unit, targ_bogus
+ targ_land, targ_ship, targ_sub, targ_bogus
};
struct flist {
struct emp_qelem queue; /* list of fired things */
short type; /* EF_SECTOR, EF_SHIP or EF_LAND */
- short uid;
+ int uid;
coord x, y;
int defdam; /* damage defenders did */
natid victim;
multifire(void)
{
static int ef_with_guns[] = { EF_SECTOR, EF_SHIP, EF_LAND, EF_BAD };
- char vbuf[20];
char *ptr;
double range;
int trange, range2;
coord fy;
coord x;
coord y;
- int mil;
int dam;
int totaldefdam = 0;
int vshipno;
- double prb;
natid vict;
struct shpstr fship;
struct lndstr fland;
struct sctstr fsect;
struct shpstr vship;
struct sctstr vsect;
- enum targ_type target, attacker, orig_attacker;
- int rel;
- struct natstr *natp;
+ enum targ_type target;
struct nstr_item nbst;
int type;
struct empobj *attgp;
emp_initque(&fired);
emp_initque(&defended);
- if (!(p = getstarg(player->argp[1],
- "Firing from ship(s), sect(s), or land unit(s)? ",
- buf)))
+ p = getstarg(player->argp[1],
+ "Firing from ship(s), sect(s), or land unit(s)? ", buf);
+ if (!p)
return RET_SYN;
type = ef_byname_from(p, ef_with_guns);
- if (type == EF_SECTOR) {
- if (opt_NO_FORT_FIRE) {
- pr("Fort firing is disabled.\n");
- return RET_FAIL;
- }
- orig_attacker = attacker = targ_land;
- } else if (type == EF_SHIP) {
- orig_attacker = attacker = targ_ship;
- } else if (type == EF_LAND) {
- orig_attacker = attacker = targ_unit;
- } else {
+ if (opt_NO_FORT_FIRE && type == EF_SECTOR) {
+ pr("Fort firing is disabled.\n");
+ return RET_FAIL;
+ }
+ if (type < 0) {
pr("Ships, land units or sectors only!\n");
return RET_SYN;
}
- if ((ptr = getstarg(player->argp[2], "Firing from? ", buf)) == 0
- || *ptr == '\0')
- return RET_SYN;
-
- if (!snxtitem(&nbst, type, ptr))
+ if (!snxtitem(&nbst, type, player->argp[2], "Firing from? "))
return RET_SYN;
- if (player->aborted) {
- pr("Fire aborted.\n");
- return RET_OK;
- }
while (nxtitem(&nbst, &item)) {
- attacker = orig_attacker;
- if (attacker == targ_unit) {
+ if (type == EF_LAND) {
if (!getland(item.land.lnd_uid, &fland))
continue;
if (!getsect(item.land.lnd_x, item.land.lnd_y, &fsect))
pr("%s -- not enough shells\n", prland(&fland));
continue;
}
- } else if (attacker == targ_ship) {
+ fx = fland.lnd_x;
+ fy = fland.lnd_y;
+ } else if (type == EF_SHIP) {
if (!getship(item.ship.shp_uid, &fship))
continue;
if (item.ship.shp_own != player->cnum)
pr("Ship #%d is crippled!\n", item.ship.shp_uid);
continue;
}
- } else if (attacker == targ_land) {
+ fx = fship.shp_x;
+ fy = fship.shp_y;
+ } else {
if (!getsect(item.sect.sct_x, item.sect.sct_y, &fsect))
continue;
if (item.sect.sct_own != player->cnum)
}
pr("\nSector %s firing\n",
xyas(item.sect.sct_x, item.sect.sct_y, player->cnum));
+ fx = fsect.sct_x;
+ fy = fsect.sct_y;
}
- if ((ptr = getstarg(player->argp[3], "Firing at? ", buf)) == 0
- || *ptr == '\0')
- continue;
- if (player->aborted) {
- pr("Fire aborted.\n");
+
+ ptr = getstarg(player->argp[3], "Firing at? ", buf);
+ if (!ptr)
+ return RET_FAIL;
+ if (!*ptr)
continue;
- }
- ptr[19] = 0;
- (void)strcpy(vbuf, ptr);
- if (issector(vbuf))
- target = targ_land;
- else
- target = targ_ship;
- if (target == targ_ship) {
- vshipno = atoi(vbuf);
+ if (!issector(ptr)) {
+ vshipno = atoi(ptr);
if (vshipno < 0 || !getship(vshipno, &vship) ||
(!vship.shp_own)) {
pr("No such ship exists!\n");
continue;
}
} else {
- if (!sarg_xy(vbuf, &x, &y) || !getsect(x, y, &vsect)) {
+ if (!sarg_xy(ptr, &x, &y) || !getsect(x, y, &vsect)) {
pr("No such sector exists!\n");
continue;
}
x = vsect.sct_x;
y = vsect.sct_y;
}
- if (attacker == targ_ship) {
+
+ trange = mapdist(x, y, fx, fy);
+
+ if (type == EF_SHIP) {
+ if (!check_ship_ok(&fship))
+ return RET_FAIL;
if (fship.shp_own != player->cnum) {
pr("Not your ship!\n");
continue;
continue;
}
}
- fx = fship.shp_x;
- fy = fship.shp_y;
-/*
- attacker = (mchr[fship.shp_type].m_flags & M_SUB) ?
- targ_sub : targ_ship;
- if (attacker == targ_sub){
- pr("Subs may not fire normally.. use torpedo.\n");
- continue;
- }
-*/
- attacker = targ_ship;
- if ((mil = fship.shp_item[I_MILIT]) < 1) {
+ if (fship.shp_item[I_MILIT] < 1) {
pr("Not enough military for firing crew.\n");
continue;
}
range2 = roundrange(range);
pr("range is %d.00 (%.2f)\n", range2, range);
if (target == targ_sub
+ && trange <= range2
&& (mchr[(int)fship.shp_type].m_flags & M_DCH)) {
dam = shp_dchrg(&fship);
- putship(fship.shp_uid, &fship);
- if (dam < 0) {
- pr("Not enough shells for depth charge!\n");
- continue;
- }
} else {
if (target == targ_sub)
/* Don't tell it's a sub */
continue;
}
dam = shp_fire(&fship);
- putship(fship.shp_uid, &fship);
- if (dam <= 0) {
- pr("Klick! ...\n");
- continue;
- }
+ }
+ putship(fship.shp_uid, &fship);
+ if (dam <= 0) {
+ pr("Klick! ...\n");
+ continue;
}
if (opt_NOMOBCOST == 0) {
fship.shp_mobil = MAX(fship.shp_mobil - 15, -100);
putship(fship.shp_uid, &fship);
}
- } else if (attacker == targ_unit) {
+ } else if (type == EF_LAND) {
+ if (!check_land_ok(&fland))
+ return RET_FAIL;
if (fland.lnd_own != player->cnum) {
pr("Not your unit!\n");
continue;
}
}
- fx = fland.lnd_x;
- fy = fland.lnd_y;
-
if (lchr[fland.lnd_type].l_dam == 0) {
pr("Unit %d cannot fire!\n", fland.lnd_uid);
continue;
dam = ldround(dam / 2.0, 1);
}
} else {
- fx = fsect.sct_x;
- fy = fsect.sct_y;
+ if (!check_sect_ok(&fsect))
+ return RET_FAIL;
if (fsect.sct_own != player->cnum ||
fsect.sct_type != SCT_FORTR) {
pr("No fortress at %s\n",
continue;
}
}
- attacker = targ_land;
if (fsect.sct_item[I_GUN] == 0) {
pr("Insufficient arms.\n");
continue;
range2 = -1;
}
}
- trange = mapdist(x, y, fx, fy);
if (trange > range2) {
pr("Target out of range.\n");
-/*
- switch (target) {
- case targ_land:
- case targ_bogus:
- pr("Target out of range. Thud.\n");
- break ;
- default:
- pr("Target ship out of range. Splash.\n");
- break ;
- }
- */
- switch (attacker) {
- case targ_land:
+ switch (type) {
+ case EF_SECTOR:
putsect(&fsect);
break;
- case targ_unit:
+ case EF_LAND:
fland.lnd_mission = 0;
putland(fland.lnd_uid, &fland);
break;
- default:
+ case EF_SHIP:
fship.shp_mission = 0;
putship(fship.shp_uid, &fship);
+ break;
+ default:
+ CANT_REACH();
}
continue;
}
-/*
- if (target == targ_bogus) {
- if (vsect.sct_type == SCT_SANCT) {
- pr("%s is a %s!!\n", vbuf,
- dchr[SCT_SANCT].d_name);
- continue;
- } else if (vsect.sct_type == SCT_WATER) {
- pr("You must specify a ship in sector %s!\n",
- vbuf);
- continue;
- }
- }
-*/
switch (target) {
case targ_ship:
if (!trechk(player->cnum, vict, SEAFIR))
if (!trechk(player->cnum, vict, SUBFIR))
continue;
break;
- case targ_unit:
case targ_land:
if (!trechk(player->cnum, vict, LANFIR))
continue;
break;
}
- if (opt_SLOW_WAR) {
- if (target == targ_land) {
- natp = getnatp(player->cnum);
- rel = getrel(natp, vict);
- if ((rel != AT_WAR) && (player->cnum != vict) &&
- (vict) && (vsect.sct_oldown != player->cnum)) {
- pr("You're not at war with them!\n");
- continue;
- }
- }
- }
nfiring++;
switch (target) {
case targ_sub:
pr_beep();
pr("Kawhomp!!!\n");
- if (vship.shp_rflags & RET_DCHRGED)
- retreat_ship(&vship, 'd');
break;
default:
pr_beep();
pr("Kaboom!!!\n");
- prb = range2 ? (double)trange / range2 : 1.0;
- prb *= prb;
- if (chance(prb)) {
- pr("Wind deflects shells.\n");
-/* dam = (int)(dam / 2.0);*/
- dam *= (90 - (random() % 11)) / 100.0;
- if (dam < 0)
- dam = 0;
- }
break;
}
switch (target) {
player->cnum, xyas(x, y, vict), dam);
pr("Shells hit sector %s for %d damage.\n",
xyas(x, y, player->cnum), dam);
- /* Ok, it wasn't a bogus target, so do damage. */
- if (target != targ_bogus)
- sectdamage(&vsect, dam, 0);
break;
case targ_ship:
nreport(player->cnum, N_SHP_SHELL, vict, 1);
/* fall through */
default:
- if ((target != targ_sub) ||
- ((vship.shp_rflags & RET_DCHRGED) == 0))
- check_retreat_and_do_shipdamage(&vship, dam);
- else
- shipdamage(&vship, dam);
if (vict) {
wu(0, vict,
"Country #%d shelled %s in %s for %d damage.\n",
pr("Shells hit %s in %s for %d damage.\n",
prsub(&vship),
xyas(vship.shp_x, vship.shp_y, player->cnum), dam);
-
- if (vship.shp_effic < SHIP_MINEFF)
- pr("%s sunk!\n", prsub(&vship));
-
break;
}
/* Ok, now, check if we had a bogus target. If so,
if (target == targ_bogus)
continue;
attgp = &item.gen;
- if (attacker == targ_unit) {
- attacker = targ_land;
+ if (type == EF_LAND) {
getsect(fland.lnd_x, fland.lnd_y, &fsect);
attgp = (struct empobj *)&fsect;
}
totaldefdam = defend(&fired, &defended, attgp, vict, &ndefending);
switch (target) {
case targ_land:
+ getsect(x, y, &vsect);
+ sectdamage(&vsect, dam);
putsect(&vsect);
break;
default:
+ getship(vshipno, &vship);
+ check_retreat_and_do_shipdamage(&vship, dam);
+ if (vship.shp_effic < SHIP_MINEFF)
+ pr("%s sunk!\n", prsub(&vship));
+ else if (target == targ_sub
+ && (vship.shp_rflags & RET_DCHRGED)
+ && !(vship.shp_rflags & RET_INJURED))
+ retreat_ship(&vship, 'd');
putship(vship.shp_uid, &vship);
break;
}
- if ((totaldefdam == 0) && (target == targ_ship))
- if (vship.shp_rflags & RET_HELPLESS)
- retreat_ship(&vship, 'h');
- switch (attacker) {
- case targ_land:
+ if (totaldefdam == 0 && target == targ_ship
+ && (vship.shp_rflags & RET_HELPLESS)
+ && !(vship.shp_rflags & RET_INJURED))
+ retreat_ship(&vship, 'h');
+ switch (attgp->ef_type) {
+ case EF_SECTOR:
putsect(&fsect);
break;
- default:
+ case EF_SHIP:
if ((target == targ_ship) || (target == targ_sub)) {
if (fship.shp_effic > SHIP_MINEFF) {
shp_missdef(&fship, vict);
};
putship(fship.shp_uid, &fship);
break;
+ default:
+ CANT_REACH();
}
}
vict = fp->victim;
pr("Return fire hit sector %s for %d damage.\n",
xyas(fp->x, fp->y, player->cnum), dam);
- sectdamage(§, dam, 0);
+ sectdamage(§, dam);
putsect(§);
if (vict)
wu(0, vict, "Return fire hit sector %s for %d damage.\n",
struct shpstr ship;
struct lndstr land;
struct nstr_item ni;
- int dam, dam2, rel, rel2;
+ int dam, dam2;
struct sctstr firing;
struct nstr_sect ns;
struct flist *fp;
dam = 0;
snxtitem_dist(&ni, EF_SHIP, ax, ay, 8);
while (nxtitem(&ni, &ship)) {
- if (ship.shp_own == 0)
+ if (!feels_like_helping(ship.shp_own, own, aown))
continue;
if ((mchr[ship.shp_type].m_flags & M_SUB) && type != EF_SHIP)
continue;
- rel = getrel(getnatp(ship.shp_own), own);
- rel2 = getrel(getnatp(ship.shp_own), aown);
- if ((ship.shp_own != own) && ((rel != ALLIED) || (rel2 != AT_WAR)))
- continue;
- /* Don't shoot yourself */
- if (ship.shp_own == aown)
- continue;
if (mchr[(int)ship.shp_type].m_flags & M_SUB) {
erange = torprange(&ship);
if (roundrange(erange) < ni.curdist)
}
snxtitem_dist(&ni, EF_LAND, ax, ay, 8);
while (nxtitem(&ni, &land)) {
- if (land.lnd_own == 0)
- continue;
- /* Don't shoot yourself */
- if (land.lnd_own == aown)
- continue;
-
- rel = getrel(getnatp(land.lnd_own), own);
- rel2 = getrel(getnatp(land.lnd_own), aown);
-
- if ((land.lnd_own != own) && ((rel != ALLIED) || (rel2 != AT_WAR)))
+ if (!feels_like_helping(land.lnd_own, own, aown))
continue;
erange = lnd_fire_range(&land);
if (!fp)
add_to_flist(list, (struct empobj *)&land, dam2, 0);
nreport(land.lnd_own, N_FIRE_BACK, player->cnum, 1);
+ if (type == EF_SHIP) {
+ if (chance(lnd_acc(&land) / 100.0))
+ dam2 = ldround(dam2 / 2.0, 1);
+ }
dam += dam2;
}
if (!opt_NO_FORT_FIRE) {
snxtsct_dist(&ns, ax, ay, 8);
while (nxtsct(&ns, &firing)) {
- if (firing.sct_own == 0)
+ if (!feels_like_helping(firing.sct_own, own, aown))
continue;
- rel = getrel(getnatp(firing.sct_own), own);
- rel2 = getrel(getnatp(firing.sct_own), aown);
- if ((firing.sct_own != own) &&
- ((rel != ALLIED) || (rel2 != AT_WAR)))
- continue;
- /* Don't shoot yourself */
- if (firing.sct_own == aown)
- continue;
erange = fortrange(&firing);
if (roundrange(erange) < ns.curdist)
continue;
projects / empserver / blobdiff