/*
* Empire - A multi-player, client/server Internet based war game.
- * Copyright (C) 1986-2008, Dave Pare, Jeff Bailey, Thomas Ruschak,
- * Ken Stevens, Steve McClure
+ * Copyright (C) 1986-2013, Dave Pare, Jeff Bailey, Thomas Ruschak,
+ * Ken Stevens, Steve McClure, Markus Armbruster
*
- * This program is free software; you can redistribute it and/or modify
+ * Empire 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
+ * the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* 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
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* ---
*
* Known contributors to this file:
* Ken Stevens, 1995
* Steve McClure, 1996-2000
+ * Markus Armbruster, 2003-2012
*/
#include <config.h>
#include "item.h"
#include "misc.h"
#include "mission.h"
+#include "news.h"
#include "nsc.h"
#include "optlist.h"
#include "path.h"
-#include "player.h"
+#include "plague.h"
#include "prototypes.h"
#include "queue.h"
#include "xy.h"
struct genlist {
struct emp_qelem queue; /* list of units */
- void *cp; /* pointer to desc of thing */
struct empobj *thing; /* thing's struct */
};
static void add_airport(struct emp_qelem *, coord, coord);
static int air_damage(struct emp_qelem *, coord, coord, int, natid,
char *, int);
-static void build_mission_list(struct genlist *, coord, coord, int, natid);
-static void build_mission_list_type(struct genlist *, coord, coord, int,
- int, natid);
+static void build_mission_list(struct genlist[],
+ unsigned char[], unsigned char[],
+ coord, coord, int);
+static void build_mission_list_type(struct genlist[], unsigned char[],
+ coord, coord, int, int);
static void divide(struct emp_qelem *, struct emp_qelem *, coord, coord);
-static int dosupport(struct genlist *, coord, coord, natid, natid);
+static int dosupport(coord, coord, natid, natid, int);
static int find_airport(struct emp_qelem *, coord, coord);
static void mission_pln_arm(struct emp_qelem *, coord, coord, int,
- int, struct ichrstr *, int);
+ int, struct ichrstr *);
static void mission_pln_sel(struct emp_qelem *, int, int, int);
-static int perform_mission(coord, coord, natid, struct emp_qelem *, int,
- char *, int);
+static int perform_mission_land(int, struct lndstr *, coord, coord,
+ natid, int, char *, int);
+static int perform_mission_ship(int, struct shpstr *, coord, coord,
+ natid, int, char *, int);
+static int perform_mission_msl(int, struct emp_qelem *, coord, coord,
+ natid, int);
+static int perform_mission_bomb(int, struct emp_qelem *, coord, coord,
+ natid, int, char *, int, int);
+static int perform_mission(coord, coord, natid, struct emp_qelem *,
+ int, char *, int);
+
+static int
+tally_dam(int dam, int newdam)
+{
+ return dam < 0 ? newdam : dam + newdam;
+}
/*
* Interdict commodities & transported planes
ground_interdict(coord x, coord y, natid victim, char *s)
{
int cn;
- int dam = 0, newdam, rel;
+ int dam = 0, newdam;
+ unsigned char act[MAXNOC];
struct genlist mi[MAXNOC];
- int z;
memset(mi, 0, sizeof(mi));
- for (z = 1; z < MAXNOC; z++)
- emp_initque((struct emp_qelem *)&mi[z]);
+ act[0] = 0;
+ for (cn = 1; cn < MAXNOC; cn++) {
+ act[cn] = relations_with(cn, victim) <= HOSTILE;
+ emp_initque((struct emp_qelem *)&mi[cn]);
+ }
- build_mission_list(mi, x, y, MI_INTERDICT, victim);
+ build_mission_list(mi, act, act, x, y, MI_INTERDICT);
for (cn = 1; cn < MAXNOC; cn++) {
- rel = getrel(getnatp(cn), victim);
- if (rel > HOSTILE)
- continue;
-
if (QEMPTY(&mi[cn].queue))
continue;
newdam = perform_mission(x, y, victim, &mi[cn].queue,
MI_INTERDICT, s, SECT_HARDTARGET);
- dam += newdam;
- if (newdam)
+ if (newdam > 0) {
+ dam += newdam;
mpr(victim, "%s interdiction mission does %d damage!\n",
cname(cn), newdam);
+ }
}
if (dam) {
collateral_damage(x, y, dam);
{
struct emp_qelem *qp;
struct genlist *glp;
- struct mchrstr *mcp;
for (qp = list->q_forw; qp != list; qp = qp->q_forw) {
glp = (struct genlist *)qp;
if (glp->thing->ef_type != EF_SHIP)
return 0;
- mcp = glp->cp;
- if (!(mcp->m_flags & M_SUB))
+ if (!(mchr[glp->thing->type].m_flags & M_SUB))
return 0;
/* It's a sub! */
}
unit_interdict(coord x, coord y, natid victim, char *s, int hardtarget,
int mission)
{
- int cn;
- int dam = 0, newdam;
+ int cn, rel, newdam, osubs;
+ int dam = -1;
+ unsigned char plane_act[MAXNOC], other_act[MAXNOC];
struct genlist mi[MAXNOC];
- int z;
- int osubs;
memset(mi, 0, sizeof(mi));
- for (z = 1; z < MAXNOC; z++)
- emp_initque((struct emp_qelem *)&mi[z]);
+ other_act[0] = plane_act[0] = 0;
+ for (cn = 1; cn < MAXNOC; cn++) {
+ rel = relations_with(cn, victim);
+ other_act[cn] = rel <= HOSTILE;
+ plane_act[cn] = mission == MI_SINTERDICT
+ ? rel <= NEUTRAL : other_act[cn];
+ emp_initque((struct emp_qelem *)&mi[cn]);
+ }
- build_mission_list(mi, x, y, mission, victim);
+ build_mission_list(mi, other_act, plane_act, x, y, mission);
for (cn = 1; cn < MAXNOC; cn++) {
- if (cn == victim)
- continue;
- if (mission == MI_SINTERDICT) {
- if (getrel(getnatp(cn), victim) >= FRIENDLY)
- continue;
- } else if (getrel(getnatp(cn), victim) > HOSTILE)
- continue;
-
if (QEMPTY(&mi[cn].queue))
continue;
osubs = only_subs(&mi[cn].queue);
newdam = perform_mission(x, y, victim, &mi[cn].queue,
mission, s, hardtarget);
- dam += newdam;
- if (newdam) {
- /* If only subs responded, then we don't know who's
- subs they are */
+ dam = tally_dam(dam, newdam);
+ if (newdam > 0)
mpr(victim, "%s interdiction mission does %d damage!\n",
osubs ? "Enemy" : cname(cn), newdam);
- }
}
- if (dam) {
+ if (dam > 0)
collateral_damage(x, y, dam);
- }
return dam;
}
int
off_support(coord x, coord y, natid victim, natid actee)
{
- int dam = 0;
- struct genlist mi[MAXNOC];
- int z;
-
- memset(mi, 0, sizeof(mi));
- for (z = 1; z < MAXNOC; z++)
- emp_initque((struct emp_qelem *)&mi[z]);
-
- build_mission_list(mi, x, y, MI_SUPPORT, victim);
- build_mission_list(mi, x, y, MI_OSUPPORT, victim);
-
- dam = dosupport(mi, x, y, victim, actee);
- return dam;
+ return dosupport(x, y, victim, actee, MI_OSUPPORT);
}
/*
int
def_support(coord x, coord y, natid victim, natid actee)
{
- int dam = 0;
- struct genlist mi[MAXNOC];
- int z;
-
- memset(mi, 0, sizeof(mi));
- for (z = 1; z < MAXNOC; z++)
- emp_initque((struct emp_qelem *)&mi[z]);
-
- build_mission_list(mi, x, y, MI_SUPPORT, victim);
- build_mission_list(mi, x, y, MI_DSUPPORT, victim);
-
- dam = dosupport(mi, x, y, victim, actee);
- return dam;
+ return dosupport(x, y, victim, actee, MI_DSUPPORT);
}
+/*
+ * Perform support missions in X,Y against VICTIM for ACTEE.
+ * MISSION is either MI_OSUPPORT or MI_DSUPPORT.
+ * Return total damage.
+ */
static int
-dosupport(struct genlist *mi, coord x, coord y, natid victim, natid actee)
+dosupport(coord x, coord y, natid victim, natid actee, int mission)
{
int cn;
- int rel;
+ unsigned char act[MAXNOC];
+ struct genlist mi[MAXNOC];
+ int newdam;
int dam = 0;
+ memset(mi, 0, sizeof(mi));
+ act[0] = 0;
for (cn = 1; cn < MAXNOC; cn++) {
- rel = getrel(getnatp(cn), actee);
- if ((cn != actee) && (rel != ALLIED))
- continue;
- rel = getrel(getnatp(cn), victim);
- if ((cn != actee) && (rel != AT_WAR))
- continue;
+ act[cn] = feels_like_helping(cn, actee, victim);
+ emp_initque((struct emp_qelem *)&mi[cn]);
+ }
+
+ build_mission_list(mi, act, act, x, y, MI_SUPPORT);
+ build_mission_list(mi, act, act, x, y, mission);
+ for (cn = 1; cn < MAXNOC; cn++) {
if (QEMPTY(&mi[cn].queue))
continue;
- dam += perform_mission(x, y, victim, &mi[cn].queue, MI_SUPPORT,
- "", SECT_HARDTARGET);
+ newdam = perform_mission(x, y, victim, &mi[cn].queue, MI_SUPPORT,
+ "", SECT_HARDTARGET);
+ if (newdam > 0)
+ dam += newdam;
}
return dam;
}
static void
-build_mission_list(struct genlist *mi, coord x, coord y, int mission,
- natid victim)
+build_mission_list(struct genlist mi[],
+ unsigned char other_act[], unsigned char plane_act[],
+ coord x, coord y, int mission)
{
- build_mission_list_type(mi, x, y, mission, EF_LAND, victim);
- build_mission_list_type(mi, x, y, mission, EF_SHIP, victim);
- build_mission_list_type(mi, x, y, mission, EF_PLANE, victim);
+ build_mission_list_type(mi, other_act, x, y, mission, EF_LAND);
+ build_mission_list_type(mi, other_act, x, y, mission, EF_SHIP);
+ build_mission_list_type(mi, plane_act, x, y, mission, EF_PLANE);
}
static void
-build_mission_list_type(struct genlist *mi, coord x, coord y, int mission,
- int type, natid victim)
+build_mission_list_type(struct genlist mi[], unsigned char act[],
+ coord x, coord y, int mission, int type)
{
struct nstr_item ni;
struct genlist *glp;
struct empobj *gp;
union empobj_storage item;
- int relat;
- struct sctstr sect;
snxtitem_all(&ni, type);
while (nxtitem(&ni, &item)) {
gp = (struct empobj *)&item;
- if (gp->own == 0)
+ if (!act[gp->own])
continue;
if (gp->mobil < 1)
(gp->mission != MI_INTERDICT))
continue;
- relat = getrel(getnatp(gp->own), victim);
- if (mission == MI_SINTERDICT) {
- if (relat >= FRIENDLY)
- continue;
- else if (type != EF_PLANE && relat > HOSTILE)
- continue;
- } else if (relat > HOSTILE)
- continue;
-
if (!in_oparea(gp, x, y))
continue;
- if (opt_SLOW_WAR) {
- if (mission != MI_AIR_DEFENSE) {
- getsect(x, y, §);
- if (getrel(getnatp(gp->own), sect.sct_own) > AT_WAR) {
-
- /*
- * If the owner of the unit isn't at war
- * with the victim, and doesn't own the
- * sect being acted upon, and isn't the
- * old owner of that sect, bounce them.
- */
- if (sect.sct_type != SCT_WATER &&
- sect.sct_own != gp->own &&
- sect.sct_oldown != gp->own)
- continue;
- }
- }
- }
-
glp = malloc(sizeof(struct genlist));
memset(glp, 0, sizeof(struct genlist));
- glp->cp = get_empobj_chr(gp);
glp->thing = malloc(sizeof(item));
memcpy(glp->thing, &item, sizeof(item));
emp_insque(&glp->queue, &mi[gp->own].queue);
if (!in_oparea((struct empobj *)&plane, x, y))
continue;
plp = malloc(sizeof(struct plist));
- memset(plp, 0, sizeof(struct plist));
+ plp->load = 0;
+ plp->pstage = PLG_HEALTHY;
plp->pcp = &plchr[(int)plane.pln_type];
plp->plane = plane;
emp_insque(&plp->queue, escorts);
perform_mission(coord x, coord y, natid victim, struct emp_qelem *list,
int mission, char *s, int hardtarget)
{
- struct emp_qelem *qp, missiles, bombers, escorts, airp, b, e;
- struct emp_qelem *newqp;
+ struct emp_qelem *qp, missiles, bombers;
struct genlist *glp;
struct plist *plp;
- struct empobj *gp;
- struct lndstr *lp;
- struct shpstr *sp;
- struct sctstr sect;
- struct mchrstr *mcp;
struct plchrstr *pcp;
- int dam = 0, dam2;
- natid plane_owner = 0;
- int md, range, air_dam = 0;
- double hitchance, vrange;
+ int dam = -1;
int targeting_ships = *s == 's'; /* "subs" or "ships" FIXME gross! */
- getsect(x, y, §);
-
emp_initque(&missiles);
emp_initque(&bombers);
- emp_initque(&escorts);
- emp_initque(&airp);
- for (qp = list->q_forw; qp != list; qp = qp->q_forw) {
+ for (qp = list->q_forw; qp != list; ) {
glp = (struct genlist *)qp;
- gp = glp->thing;
-
- md = mapdist(x, y, gp->x, gp->y);
+ qp = qp->q_forw;
if (glp->thing->ef_type == EF_LAND) {
- lp = (struct lndstr *)glp->thing;
+ dam = perform_mission_land(dam, (struct lndstr *)glp->thing,
+ x, y, victim, mission, s,
+ targeting_ships);
+ } else if (glp->thing->ef_type == EF_SHIP) {
+ dam = perform_mission_ship(dam, (struct shpstr *)glp->thing,
+ x, y, victim, mission, s,
+ targeting_ships);
+ } else if (glp->thing->ef_type == EF_PLANE) {
+ pcp = &plchr[glp->thing->type];
+ if ((pcp->pl_flags & P_M)
+ && (hardtarget != SECT_HARDTARGET
+ || (pcp->pl_flags & P_MAR)))
+ ; /* units have their own missile interdiction */
+ else {
+ /* save planes for later */
+ plp = malloc(sizeof(struct plist));
+ plp->load = 0;
+ plp->pstage = PLG_HEALTHY;
+ plp->pcp = pcp;
+ memcpy(&plp->plane, glp->thing, sizeof(struct plnstr));
+ if (plp->pcp->pl_flags & P_M)
+ emp_insque(&plp->queue, &missiles);
+ else
+ emp_insque(&plp->queue, &bombers);
+ }
+ } else {
+ CANT_REACH();
+ break;
+ }
+ free(glp->thing);
+ free(glp);
+ }
- if (mission == MI_SINTERDICT)
- continue;
+ dam = perform_mission_msl(dam, &missiles, x, y, victim, hardtarget);
+ dam = perform_mission_bomb(dam, &bombers, x, y, victim, mission, s,
+ hardtarget, targeting_ships);
+ return dam;
+}
- if ((mission == MI_INTERDICT) &&
- (md > land_max_interdiction_range))
- continue;
+static int
+perform_mission_land(int dam, struct lndstr *lp, coord x, coord y,
+ natid victim, int mission, char *s,
+ int targeting_ships)
+{
+ int md, range, dam2;
- range = roundrange(lnd_fire_range(lp));
- if (md > range)
- continue;
+ if (mission == MI_SINTERDICT)
+ return dam;
- dam2 = lnd_fire(lp);
- putland(lp->lnd_uid, lp);
- if (dam2 < 0)
- continue;
+ md = mapdist(x, y, lp->lnd_x, lp->lnd_y);
- if (targeting_ships) {
- if (chance(lnd_acc(lp) / 100.0))
- dam2 = ldround(dam2 / 2.0, 1);
- }
- dam += dam2;
- if (targeting_ships)
- nreport(lp->lnd_own, N_SHP_SHELL, victim, 1);
- else
- nreport(lp->lnd_own, N_SCT_SHELL, victim, 1);
- wu(0, lp->lnd_own,
- "%s fires at %s %s at %s\n",
- prland(lp), cname(victim), s, xyas(x, y, lp->lnd_own));
+ if (mission == MI_INTERDICT && md > land_max_interdiction_range)
+ return dam;
- mpr(victim, "%s %s fires at you at %s\n",
- cname(lp->lnd_own), prland(lp), xyas(x, y, victim));
- } else if (glp->thing->ef_type == EF_SHIP) {
- sp = (struct shpstr *)glp->thing;
- mcp = glp->cp;
+ range = roundrange(lnd_fire_range(lp));
+ if (md > range)
+ return dam;
- if (((mission == MI_INTERDICT) ||
- (mission == MI_SINTERDICT)) &&
- (md > ship_max_interdiction_range))
- continue;
- if (mission == MI_SINTERDICT) {
- if (!(mcp->m_flags & M_SONAR))
- continue;
- if (!(mcp->m_flags & M_DCH) && !(mcp->m_flags & M_SUBT))
- continue;
- vrange = techfact(sp->shp_tech, mcp->m_vrnge);
- vrange *= sp->shp_effic / 200.0;
- if (md > vrange)
- continue;
- /* can't look all the time */
- if (chance(0.5))
- continue;
- }
- if (mcp->m_flags & M_SUB) {
- if (!targeting_ships)
- continue; /* subs interdict only ships */
- range = roundrange(torprange(sp));
- if (md > range)
- continue;
- if (!line_of_sight(NULL, x, y, gp->x, gp->y))
- continue;
- dam2 = shp_torp(sp, 1);
- putship(sp->shp_uid, sp);
- if (dam2 < 0)
- continue;
- hitchance = shp_torp_hitchance(sp, md);
-
- wu(0, sp->shp_own,
- "%s locking on %s %s in %s\n",
- prship(sp), cname(victim), s, xyas(x, y, sp->shp_own));
- wu(0, sp->shp_own,
- "\tEffective torpedo range is %d.0\n", range);
- wu(0, sp->shp_own,
- "\tWhooosh... Hitchance = %d%%\n",
- (int)(hitchance * 100));
-
- if (!chance(hitchance)) {
- wu(0, sp->shp_own, "\tMissed\n");
- mpr(victim,
- "Incoming torpedo sighted @ %s missed (whew)!\n",
- xyas(x, y, victim));
- continue;
- }
- wu(0, sp->shp_own, "\tBOOM!...\n");
- dam += dam2;
- nreport(victim, N_TORP_SHIP, 0, 1);
- wu(0, sp->shp_own,
- "\tTorpedo hit %s %s for %d damage\n",
- cname(victim), s, dam2);
+ dam2 = lnd_fire(lp);
+ putland(lp->lnd_uid, lp);
+ if (dam2 < 0)
+ return dam;
- mpr(victim,
- "Incoming torpedo sighted @ %s hits and does %d damage!\n",
- xyas(x, y, victim), dam2);
- } else {
- range = roundrange(shp_fire_range(sp));
- if (md > range)
- continue;
- if (mission == MI_SINTERDICT)
- dam2 = shp_dchrg(sp);
- else
- dam2 = shp_fire(sp);
- putship(sp->shp_uid, sp);
- if (dam2 < 0)
- continue;
- dam += dam2;
- if (targeting_ships)
- nreport(sp->shp_own, N_SHP_SHELL, victim, 1);
- else
- nreport(sp->shp_own, N_SCT_SHELL, victim, 1);
- wu(0, sp->shp_own,
- "%s fires at %s %s at %s\n",
- prship(sp), cname(victim), s, xyas(x, y, sp->shp_own));
+ if (targeting_ships) {
+ if (chance(lnd_acc(lp) / 100.0))
+ dam2 = ldround(dam2 / 2.0, 1);
+ }
+ if (targeting_ships)
+ nreport(lp->lnd_own, N_SHP_SHELL, victim, 1);
+ else
+ nreport(lp->lnd_own, N_SCT_SHELL, victim, 1);
+ wu(0, lp->lnd_own,
+ "%s fires at %s %s at %s\n",
+ prland(lp), cname(victim), s, xyas(x, y, lp->lnd_own));
- mpr(victim, "%s %s fires at you at %s\n",
- cname(sp->shp_own), prship(sp), xyas(x, y, victim));
- }
- } else if (glp->thing->ef_type == EF_PLANE) {
- pcp = glp->cp;
- if (pcp->pl_flags & P_M)
- /* units have their own missile interdiction */
- if (hardtarget != SECT_HARDTARGET || pcp->pl_flags & P_MAR)
- continue;
-
- /* save planes for later */
- plp = malloc(sizeof(struct plist));
-
- memset(plp, 0, sizeof(struct plist));
- plp->pcp = pcp;
- memcpy(&plp->plane, glp->thing, sizeof(struct plnstr));
- if (plp->pcp->pl_flags & P_M)
- emp_insque(&plp->queue, &missiles);
- else
- emp_insque(&plp->queue, &bombers);
- plane_owner = plp->plane.pln_own;
- } else {
- CANT_REACH();
- break;
- }
+ mpr(victim, "%s %s fires at you at %s\n",
+ cname(lp->lnd_own), prland(lp), xyas(x, y, victim));
+
+ return tally_dam(dam, dam2);
+}
+
+static int
+perform_mission_ship(int dam, struct shpstr *sp, coord x, coord y,
+ natid victim, int mission, char *s,
+ int targeting_ships)
+{
+ struct mchrstr *mcp = &mchr[sp->shp_type];
+ double vrange, hitchance;
+ int md, range, dam2;
+
+ md = mapdist(x, y, sp->shp_x, sp->shp_y);
+
+ if ((mission == MI_INTERDICT || mission == MI_SINTERDICT)
+ && md > ship_max_interdiction_range)
+ return dam;
+
+ if (mission == MI_SINTERDICT) {
+ if (!(mcp->m_flags & M_SONAR))
+ return dam;
+ if (!(mcp->m_flags & M_DCH) && !(mcp->m_flags & M_SUBT))
+ return dam;
+ vrange = techfact(sp->shp_tech, mcp->m_vrnge);
+ vrange *= sp->shp_effic / 200.0;
+ if (md > vrange)
+ return dam;
+ /* can't look all the time */
+ if (chance(0.5))
+ return dam;
}
- if (!QEMPTY(&missiles)) {
- /* I arbitrarily chose 100 mindam -KHS */
- dam +=
- msl_launch_mindam(&missiles, x, y, hardtarget, EF_SECTOR, 100,
- "sector", victim, mission);
- qp = missiles.q_forw;
- while (qp != (&missiles)) {
- newqp = qp->q_forw;
- emp_remque(qp);
- free(qp);
- qp = newqp;
+ if (mcp->m_flags & M_SUB) {
+ if (!targeting_ships)
+ return dam; /* subs interdict only ships */
+ range = roundrange(torprange(sp));
+ if (md > range)
+ return dam;
+ if (!line_of_sight(NULL, x, y, sp->shp_x, sp->shp_y))
+ return dam;
+ dam2 = shp_torp(sp, 1);
+ putship(sp->shp_uid, sp);
+ if (dam2 < 0)
+ return dam;
+ hitchance = shp_torp_hitchance(sp, md);
+
+ wu(0, sp->shp_own,
+ "%s locking on %s %s in %s\n",
+ prship(sp), cname(victim), s, xyas(x, y, sp->shp_own));
+ wu(0, sp->shp_own,
+ "\tEffective torpedo range is %d.0\n", range);
+ wu(0, sp->shp_own,
+ "\tWhooosh... Hitchance = %d%%\n",
+ (int)(hitchance * 100));
+
+ if (!chance(hitchance)) {
+ wu(0, sp->shp_own, "\tMissed\n");
+ mpr(victim,
+ "Incoming torpedo sighted @ %s missed (whew)!\n",
+ xyas(x, y, victim));
+ return tally_dam(dam, 0);
}
+ wu(0, sp->shp_own, "\tBOOM!...\n");
+ nreport(victim, N_TORP_SHIP, 0, 1);
+ wu(0, sp->shp_own,
+ "\tTorpedo hit %s %s for %d damage\n",
+ cname(victim), s, dam2);
+
+ mpr(victim,
+ "Incoming torpedo sighted @ %s hits and does %d damage!\n",
+ xyas(x, y, victim), dam2);
+ } else {
+ range = roundrange(shp_fire_range(sp));
+ if (md > range)
+ return dam;
+ if (mission == MI_SINTERDICT)
+ dam2 = shp_dchrg(sp);
+ else
+ dam2 = shp_fire(sp);
+ putship(sp->shp_uid, sp);
+ if (dam2 < 0)
+ return dam;
+ if (targeting_ships)
+ nreport(sp->shp_own, N_SHP_SHELL, victim, 1);
+ else
+ nreport(sp->shp_own, N_SCT_SHELL, victim, 1);
+ wu(0, sp->shp_own,
+ "%s fires at %s %s at %s\n",
+ prship(sp), cname(victim), s, xyas(x, y, sp->shp_own));
+
+ mpr(victim, "%s %s fires at you at %s\n",
+ cname(sp->shp_own), prship(sp), xyas(x, y, victim));
}
- if (QEMPTY(&bombers)) {
- qp = list->q_forw;
- while (qp != list) {
- glp = (struct genlist *)qp;
- qp = qp->q_forw;
+ return tally_dam(dam, dam2);
+}
+
+static int
+perform_mission_msl(int dam, struct emp_qelem *missiles, coord x, coord y,
+ natid victim, int hardtarget)
+{
+ int performed, air_dam, sublaunch, dam2;
+ struct emp_qelem *qp, *newqp;
+ struct plist *plp;
+
+ /*
+ * Missiles, except for interdiction of ships or land units,
+ * because that happens elsewhere, in shp_missile_interdiction()
+ * and lnd_missile_interdiction().
+ */
+ performed = air_dam = 0;
+ for (qp = missiles->q_back; qp != missiles; qp = newqp) {
+ newqp = qp->q_back;
+ plp = (struct plist *)qp;
- free(glp->thing);
- free(glp);
+ if (air_dam < 100
+ && !CANT_HAPPEN(hardtarget != SECT_HARDTARGET
+ || (plp->pcp->pl_flags & P_MAR))
+ && mission_pln_equip(plp, NULL, 'p') >= 0) {
+ if (msl_launch(&plp->plane, EF_SECTOR, "sector", x, y, victim,
+ &sublaunch) < 0)
+ goto use_up_msl;
+ performed = 1;
+ if (!msl_hit(&plp->plane, SECT_HARDTARGET, EF_SECTOR,
+ N_SCT_MISS, N_SCT_SMISS, sublaunch, victim))
+ CANT_REACH();
+ dam2 = pln_damage(&plp->plane, 'p', 1);
+ air_dam += dam2;
+ use_up_msl:
+ plp->plane.pln_effic = 0;
+ putplane(plp->plane.pln_uid, &plp->plane);
}
- return dam;
+ emp_remque(qp);
+ free(qp);
}
+
+ return performed ? tally_dam(dam, air_dam) : dam;
+}
+
+static int
+perform_mission_bomb(int dam, struct emp_qelem *bombers, coord x, coord y,
+ natid victim, int mission, char *s, int hardtarget,
+ int targeting_ships)
+{
+ struct emp_qelem *qp, *newqp, escorts, airp, b, e;
+ struct plist *plp;
+ int plane_owner, performed, air_dam;
+ size_t md;
+
+ emp_initque(&escorts);
+ emp_initque(&airp);
+
+ if (QEMPTY(bombers))
+ return dam;
+
+ plp = (struct plist *)bombers->q_forw;
+ plane_owner = plp->plane.pln_own;
+
/*
* If there are planes performing an
* interdict or support mission, find
find_escorts(x, y, plane_owner, &escorts);
if (mission == MI_SINTERDICT)
- mission_pln_sel(&bombers, P_T | P_A, 0, hardtarget);
+ mission_pln_sel(bombers, P_T | P_A, 0, hardtarget);
else
- mission_pln_sel(&bombers, P_T, P_A, SECT_HARDTARGET);
+ mission_pln_sel(bombers, P_T, P_A, SECT_HARDTARGET);
mission_pln_sel(&escorts, P_ESC | P_F, 0, SECT_HARDTARGET);
- for (qp = bombers.q_forw; qp != (&bombers); qp = qp->q_forw) {
+ for (qp = bombers->q_forw; qp != bombers; qp = qp->q_forw) {
plp = (struct plist *)qp;
if (!find_airport(&airp, plp->plane.pln_x, plp->plane.pln_y))
add_airport(&airp, plp->plane.pln_x, plp->plane.pln_y);
}
+ performed = air_dam = 0;
for (qp = airp.q_forw; qp != (&airp); qp = qp->q_forw) {
struct airport *air;
- char buf[512];
- char *pp;
+ char buf[1024];
air = (struct airport *)qp;
- md = mapdist(x, y, air->x, air->y);
emp_initque(&b);
emp_initque(&e);
/* Split off the bombers at this base into b */
- divide(&bombers, &b, air->x, air->y);
+ divide(bombers, &b, air->x, air->y);
/* Split off the escorts at this base into e */
divide(&escorts, &e, air->x, air->y);
- mission_pln_arm(&b, air->x, air->y, 2 * md, 'p', 0, 0);
+ if (path_find(air->x, air->y, x, y, plane_owner, MOB_FLY) < 0)
+ continue;
+ md = path_find_route(buf, sizeof(buf), air->x, air->y, x, y);
+ if (md >= sizeof(buf))
+ continue;
+ mission_pln_arm(&b, air->x, air->y, 2 * md, 'p', NULL);
if (QEMPTY(&b))
continue;
+ mission_pln_arm(&e, air->x, air->y, 2 * md, 'e', NULL);
- mission_pln_arm(&e, air->x, air->y, 2 * md, 'p', 0, P_F | P_ESC);
-
- pp = BestAirPath(buf, air->x, air->y, x, y);
- if (CANT_HAPPEN(!pp))
- continue;
+ performed = 1;
wu(0, plane_owner, "Flying %s mission from %s to %s\n",
mission_name(mission),
xyas(air->x, air->y, plane_owner),
xyas(x, y, air->own));
}
- ac_encounter(&b, &e, air->x, air->y, pp, 0, 0);
+ ac_encounter(&b, &e, air->x, air->y, buf, 0);
if (!QEMPTY(&b))
air_dam +=
}
if (air_dam > 0) {
- dam += air_dam;
if (targeting_ships)
nreport(plane_owner, N_SHP_BOMB, victim, 1);
else
nreport(plane_owner, N_SCT_BOMB, victim, 1);
}
- /* free up all this memory */
- qp = list->q_forw;
- while (qp != list) {
- glp = (struct genlist *)qp;
- qp = qp->q_forw;
-
- free(glp->thing);
- free(glp);
- }
-
qp = escorts.q_forw;
while (qp != (&escorts)) {
newqp = qp->q_forw;
qp = newqp;
}
- qp = bombers.q_forw;
- while (qp != (&bombers)) {
+ qp = bombers->q_forw;
+ while (qp != bombers) {
newqp = qp->q_forw;
emp_remque(qp);
free(qp);
qp = newqp;
}
- return dam;
+ return performed ? tally_dam(dam, air_dam) : dam;
}
int
}
char *
-mission_name(short mission)
+mission_name(int mission)
{
switch (mission) {
case MI_INTERDICT:
*/
static void
mission_pln_arm(struct emp_qelem *list, coord x, coord y, int dist,
- int mission, struct ichrstr *ip, int flags)
+ int mission, struct ichrstr *ip)
{
struct emp_qelem *qp;
struct emp_qelem *next;
continue;
if (CANT_HAPPEN(pp->pln_flags & PLN_LAUNCHED)
- || mission_pln_equip(plp, ip, flags, mission) < 0) {
+ || mission_pln_equip(plp, ip, mission) < 0) {
emp_remque(qp);
free(qp);
continue;
}
pp->pln_flags |= PLN_LAUNCHED;
- pp->pln_mobil -= pln_mobcost(dist, pp, flags);
+ pp->pln_mobil -= pln_mobcost(dist, pp, mission);
putplane(pp->pln_uid, pp);
}
}
int
-mission_pln_equip(struct plist *plp, struct ichrstr *ip, int flags,
- char mission)
+mission_pln_equip(struct plist *plp, struct ichrstr *ip, char mission)
{
struct plchrstr *pcp;
struct plnstr *pp;
pcp = plp->pcp;
if (pp->pln_ship >= 0) {
getship(pp->pln_ship, &ship);
+ plp->pstage = ship.shp_pstage;
item = ship.shp_item;
} else if (pp->pln_land >= 0) {
getland(pp->pln_land, &land);
+ plp->pstage = land.lnd_pstage;
item = land.lnd_item;
} else {
getsect(pp->pln_x, pp->pln_y, §);
+ plp->pstage = sect.sct_pstage;
item = sect.sct_item;
}
if (pcp->pl_fuel > item[I_PETROL]) {
return -1;
}
item[I_PETROL] -= pcp->pl_fuel;
- if (!(flags & P_F)) {
- load = pln_load(pp);
- itype = I_NONE;
- needed = 0;
- switch (mission) {
- case 's': /* strategic bomb */
- case 'p': /* pinpoint bomb */
- if (nuk_on_plane(pp) < 0) {
- itype = I_SHELL;
- needed = load;
- }
- break;
- case 't': /* transport */
- case 'd': /* drop */
- if ((pcp->pl_flags & P_C) == 0 || ip == 0)
- break;
- itype = ip->i_uid;
- needed = (load * 2) / ip->i_lbs;
- break;
- case 'a': /* paradrop */
- if ((pcp->pl_flags & (P_V | P_C)) == 0)
- break;
- itype = I_MILIT;
- needed = load / ip->i_lbs;
- break;
- case 'i': /* missile interception */
- if (load) {
- itype = I_SHELL;
- needed = load;
- }
- break;
- case 'r': /* reconnaissance */
- case 0: /* plane interception */
- break;
- default:
- CANT_REACH();
- break;
- }
- if (itype != I_NONE && needed <= 0)
+ load = pln_load(pp);
+ itype = I_NONE;
+ switch (mission) {
+ case 'p': /* pinpoint bomb */
+ itype = I_SHELL;
+ break;
+ case 'i': /* missile interception */
+ if (load)
+ itype = I_SHELL;
+ break;
+ case 'e': /* escort */
+ case 0: /* plane interception */
+ load = 0;
+ break;
+ default:
+ CANT_REACH();
+ load = 0;
+ }
+
+ if (itype != I_NONE) {
+ needed = load / ichr[itype].i_lbs;
+ if (needed <= 0)
+ return -1;
+ if (CANT_HAPPEN(nuk_on_plane(pp) >= 0))
return -1;
- if (itype != I_NONE) {
- if (itype == I_SHELL && item[itype] < needed)
- item[itype] += supply_commod(plp->plane.pln_own,
- plp->plane.pln_x,
- plp->plane.pln_y,
- I_SHELL, needed);
- if (item[itype] < needed)
- return -1;
- item[itype] -= needed;
+ if (itype == I_SHELL && item[itype] < needed) {
+ if (pp->pln_ship >= 0)
+ shp_supply(&ship, I_SHELL, needed);
+ else if (pp->pln_land >= 0)
+ lnd_supply(&land, I_SHELL, needed);
+ else
+ sct_supply(§, I_SHELL, needed);
}
- if (itype == I_SHELL && (mission == 's' || mission == 'p'))
- plp->bombs = needed;
- else
- plp->misc = needed;
+ if (item[itype] < needed)
+ return -1;
+ item[itype] -= needed;
+ plp->load = needed;
}
+
if (pp->pln_ship >= 0)
putship(ship.shp_uid, &ship);
else if (pp->pln_land >= 0)
struct plnstr *pp;
int newdam, dam = 0;
int hitchance;
- int nukedam;
for (qp = bombers->q_forw; qp != bombers; qp = qp->q_forw) {
plp = (struct plist *)qp;
if ((mission == MI_SINTERDICT) && !(plp->pcp->pl_flags & P_A))
continue;
- if (!plp->bombs)
+ if (!plp->load)
continue;
- newdam = 0;
if (plp->pcp->pl_flags & P_A) {
if (roll(100) > pln_identchance(pp, hardtarget, EF_SHIP)) {
wu(0, pp->pln_own,
prplane(pp), xyas(x, y, pp->pln_own));
continue;
}
- if (getrel(getnatp(pp->pln_own), victim) > HOSTILE) {
+ if (relations_with(pp->pln_own, victim) > HOSTILE) {
wu(0, pp->pln_own,
"\t%s tracks %s %s at %s\n",
prplane(pp), cname(victim), s, xyas(x, y, pp->pln_own));
hitchance = 100;
else if (hardtarget != SECT_HARDTARGET)
wu(0, pp->pln_own, "\t\t%d%% hitchance...", hitchance);
- /* Always calculate damage */
if (roll(100) <= hitchance) {
- newdam = pln_damage(&plp->plane, x, y, 'p', &nukedam, 1);
- if (nukedam) {
- if (mission == MI_INTERDICT) {
- wu(0, pp->pln_own,
- "\t\tnuclear warhead on plane %s does %d damage to %s %s\n",
- prplane(pp), nukedam, cname(victim), s);
- dam += nukedam;
- }
- } else {
- wu(0, pp->pln_own,
- "\t\thit %s %s for %d damage\n",
- cname(victim), s, newdam);
- dam += newdam;
- }
+ newdam = pln_damage(&plp->plane, 'p', 1);
+ wu(0, pp->pln_own,
+ "\t\thit %s %s for %d damage\n",
+ cname(victim), s, newdam);
+ dam += newdam;
} else {
- newdam = pln_damage(&plp->plane, x, y, 'p', &nukedam, 0);
+ newdam = pln_damage(&plp->plane, 'p', 0);
wu(0, pp->pln_own, "missed\n");
if (mission == MI_SINTERDICT) {
mpr(victim,
return dam;
}
-
-/*
- * Check to see if anyone hostile to the victim
- * is running an air defense mission on this
- * sector. If so, do air combat
- */
-int
-air_defense(coord x, coord y, natid victim, struct emp_qelem *bomb_list,
- struct emp_qelem *esc_list)
-{
- int dam = 0, cn;
- int combat = 0, rel, dist, z;
- struct emp_qelem *qp, interceptors, airp, i, empty, *next;
- struct plist *plp;
- struct genlist *glp;
- struct empobj *gp;
- struct genlist mi[MAXNOC];
- char buf[512];
- char *path;
- int count;
- int tcount;
-
- count = 0;
- for (qp = bomb_list->q_forw; qp != bomb_list; qp = qp->q_forw)
- count++;
- for (qp = esc_list->q_forw; qp != esc_list; qp = qp->q_forw)
- count++;
-
- memset(mi, 0, sizeof(mi));
- for (z = 1; z < MAXNOC; z++)
- emp_initque((struct emp_qelem *)&mi[z]);
-
- build_mission_list_type(mi, x, y, MI_AIR_DEFENSE, EF_PLANE, victim);
-
- for (cn = 1; cn < MAXNOC; cn++) {
- /* Check our relations */
- rel = getrel(getnatp(cn), victim);
-
- if (rel > HOSTILE)
- continue;
-
- if (QEMPTY(&mi[cn].queue))
- continue;
-
- /* Ok, make a list of all the interceptors. Note that this *copies* the
- * list from the mission creation. This list must be deleted later. */
- emp_initque(&interceptors);
- for (qp = mi[cn].queue.q_forw; qp != (&mi[cn].queue); qp = next) {
- next = qp->q_forw;
- glp = (struct genlist *)qp;
- gp = glp->thing;
- if (CANT_HAPPEN(gp->ef_type != EF_PLANE))
- break;
-
- dist = mapdist(x, y, gp->x, gp->y);
-
- plp = malloc(sizeof(struct plist));
- memset(plp, 0, sizeof(struct plist));
- plp->pcp = glp->cp;
- memcpy(&plp->plane, glp->thing, sizeof(struct plnstr));
-
- /* missiles go one way, so we can use all the range */
- if (!(plp->pcp->pl_flags & P_M))
- dist *= 2;
- /* If it's out of range, free it and continue on */
- if (dist > plp->plane.pln_range) {
- free(plp);
- continue;
- }
- emp_insque(&plp->queue, &interceptors);
- }
-
- /* Remove those who cannot go */
- mission_pln_sel(&interceptors, P_F, 0, SECT_HARDTARGET);
-
- if (QEMPTY(&interceptors))
- continue;
-
- /* Now, delete all the extras, but delete the first ones, not the last ones, so
- * that the higher numbered planes go into battle (they should be the better ones
- * at fighting, if all went well.) */
- tcount = 0;
- for (qp = interceptors.q_forw; qp != (&interceptors);
- qp = qp->q_forw)
- tcount++;
- tcount -= count * 2;
- /* Just in case there are more incoming than we have */
- if (tcount < 0)
- tcount = 0;
- for (qp = interceptors.q_forw; qp != (&interceptors); qp = next) {
- next = qp->q_forw;
- if (tcount) {
- tcount--;
- /* Free it up and continue */
- emp_remque(qp);
- glp = (struct genlist *)qp;
- free(glp);
- }
- }
-
- /* Now, make a list of all the airports these planes are coming from */
- emp_initque(&airp);
- for (qp = interceptors.q_forw; qp != (&interceptors);
- qp = qp->q_forw) {
- plp = (struct plist *)qp;
- if (!find_airport(&airp, plp->plane.pln_x, plp->plane.pln_y))
- add_airport(&airp, plp->plane.pln_x, plp->plane.pln_y);
- }
-
- /* Now, fly them out one airport at a time */
- for (qp = airp.q_forw; qp != (&airp); qp = qp->q_forw) {
- struct airport *air;
-
- air = (struct airport *)qp;
- dist = mapdist(x, y, air->x, air->y);
-
- emp_initque(&i);
-
- /* Split off the interceptors at this base into i */
- divide(&interceptors, &i, air->x, air->y);
-
- sam_intercept(bomb_list, &i, cn, victim, x, y, 0);
- sam_intercept(esc_list, &i, cn, victim, x, y, 1);
-
- /* Did we run out of interceptors? */
- if (QEMPTY(&i))
- continue;
- /* Did we run out of bombers? */
- if (QEMPTY(bomb_list)) {
- /* Yes, so we have to put the rest of the interceptors back, and
- then continue, or we leak memory */
- pln_put(&i);
- continue;
- }
- mission_pln_arm(&i, air->x, air->y, 2 * dist, 0, 0, P_F);
-
- /* Did we run out of interceptors? */
- if (QEMPTY(&i))
- continue;
- /* Did we run out of bombers? */
- if (QEMPTY(bomb_list)) {
- /* Yes, so we have to put the rest of the interceptors back, and
- then continue, or we leak memory */
- pln_put(&i);
- continue;
- }
-
- path = BestAirPath(buf, air->x, air->y, x, y);
- if (CANT_HAPPEN(!path)) {
- pln_put(&i);
- continue;
- }
- wu(0, cn, "Flying %s mission from %s to %s\n",
- mission_name(MI_AIR_DEFENSE),
- xyas(air->x, air->y, cn),
- xyas(x, y, cn));
- if (air->own && (air->own != cn)) {
- wu(0, air->own, "%s is flying %s mission from %s to %s\n",
- cname(cn), mission_name(MI_AIR_DEFENSE),
- xyas(air->x, air->y, air->own),
- xyas(x, y, air->own));
- }
-
- /* Now, fly the planes to the sector */
- emp_initque(&empty);
- ac_encounter(&i, &empty, air->x, air->y, path, 0, 1);
-
- /* If none made it, continue */
- if (QEMPTY(&i))
- continue;
-
- /* Some made it, so now they get to try to fight. */
- /* Intercept the escorts first */
- combat = 0;
- if (!QEMPTY(esc_list)) {
- mpr(victim, "%s air defense planes intercept!\n",
- cname(cn));
- ac_combat_headers(victim, cn);
- ac_airtoair(esc_list, &i);
- combat = 1;
- }
- /* Now intercept the bombers */
- if (!QEMPTY(bomb_list)) {
- if (!combat) {
- mpr(victim, "%s air defense planes intercept!\n",
- cname(cn));
- ac_combat_headers(victim, cn);
- }
- ac_airtoair(bomb_list, &i);
- PR(cn, "\n");
- PR(victim, "\n");
- }
-
- pln_put(&i);
- }
- if (CANT_HAPPEN(!QEMPTY(&interceptors)))
- pln_put(&interceptors);
- }
-
- /* We have to free all of these, if they are still there, otherwise they get
- lost and we leak memory all over the place. */
- for (cn = 1; cn < MAXNOC; cn++) {
- /* free up all this memory if it's still there */
- for (qp = mi[cn].queue.q_forw; qp != (&mi[cn].queue); qp = next) {
- next = qp->q_forw;
- glp = (struct genlist *)qp;
- free(glp->thing);
- free(glp);
- }
- }
-
- return dam;
-}
projects / empserver / blobdiff