/*
* Empire - A multi-player, client/server Internet based war game.
- * Copyright (C) 1986-2009, 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
struct genlist {
struct emp_qelem queue; /* list of units */
- void *cp; /* pointer to desc of thing */
struct empobj *thing; /* thing's struct */
};
int, struct ichrstr *);
static void mission_pln_sel(struct emp_qelem *, int, int, int);
static int perform_mission_land(int, struct lndstr *, coord, coord,
- natid, int, char *, int, int);
+ natid, int, char *, int);
static int perform_mission_ship(int, struct shpstr *, coord, coord,
- natid, int, char *, int, int);
+ 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 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
int cn;
int dam = 0, newdam, rel;
struct genlist mi[MAXNOC];
- int z;
memset(mi, 0, sizeof(mi));
- for (z = 1; z < MAXNOC; z++)
- emp_initque((struct emp_qelem *)&mi[z]);
+ for (cn = 1; cn < MAXNOC; cn++)
+ emp_initque((struct emp_qelem *)&mi[cn]);
build_mission_list(mi, x, y, MI_INTERDICT, victim);
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, newdam, osubs;
+ int dam = -1;
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]);
+ for (cn = 1; cn < MAXNOC; cn++)
+ emp_initque((struct emp_qelem *)&mi[cn]);
build_mission_list(mi, x, y, mission, victim);
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 dam = 0;
struct genlist mi[MAXNOC];
- int z;
+ int cn;
memset(mi, 0, sizeof(mi));
- for (z = 1; z < MAXNOC; z++)
- emp_initque((struct emp_qelem *)&mi[z]);
+ for (cn = 1; cn < MAXNOC; cn++)
+ emp_initque((struct emp_qelem *)&mi[cn]);
build_mission_list(mi, x, y, MI_SUPPORT, victim);
build_mission_list(mi, x, y, MI_OSUPPORT, victim);
{
int dam = 0;
struct genlist mi[MAXNOC];
- int z;
+ int cn;
memset(mi, 0, sizeof(mi));
- for (z = 1; z < MAXNOC; z++)
- emp_initque((struct emp_qelem *)&mi[z]);
+ for (cn = 1; cn < MAXNOC; cn++)
+ emp_initque((struct emp_qelem *)&mi[cn]);
build_mission_list(mi, x, y, MI_SUPPORT, victim);
build_mission_list(mi, x, y, MI_DSUPPORT, victim);
dosupport(struct genlist *mi, coord x, coord y, natid victim, natid actee)
{
int cn;
- int rel;
+ int rel, newdam;
int dam = 0;
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;
}
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);
struct emp_qelem *qp, missiles, bombers;
struct genlist *glp;
struct plist *plp;
- struct empobj *gp;
- struct sctstr sect;
struct plchrstr *pcp;
- int dam = 0;
- int md;
+ int dam = -1;
int targeting_ships = *s == 's'; /* "subs" or "ships" FIXME gross! */
- getsect(x, y, §);
-
emp_initque(&missiles);
emp_initque(&bombers);
- 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) {
dam = perform_mission_land(dam, (struct lndstr *)glp->thing,
x, y, victim, mission, s,
- md, targeting_ships);
+ targeting_ships);
} else if (glp->thing->ef_type == EF_SHIP) {
dam = perform_mission_ship(dam, (struct shpstr *)glp->thing,
x, y, victim, mission, s,
- md, targeting_ships);
+ targeting_ships);
} else if (glp->thing->ef_type == EF_PLANE) {
- pcp = glp->cp;
+ pcp = &plchr[glp->thing->type];
if (pcp->pl_flags & P_M)
/* units have their own missile interdiction */
if (hardtarget != SECT_HARDTARGET || pcp->pl_flags & P_MAR)
CANT_REACH();
break;
}
+ free(glp->thing);
+ free(glp);
}
dam = perform_mission_msl(dam, &missiles, x, y, victim, hardtarget);
dam = perform_mission_bomb(dam, &bombers, x, y, victim, mission, s,
hardtarget, targeting_ships);
-
- qp = list->q_forw;
- while (qp != list) {
- glp = (struct genlist *)qp;
- qp = qp->q_forw;
-
- free(glp->thing);
- free(glp);
- }
-
return dam;
}
static int
perform_mission_land(int dam, struct lndstr *lp, coord x, coord y,
- natid victim, int mission, char *s, int md,
+ natid victim, int mission, char *s,
int targeting_ships)
{
- int range, dam2;
+ int md, range, dam2;
if (mission == MI_SINTERDICT)
return dam;
- if ((mission == MI_INTERDICT) &&
- (md > land_max_interdiction_range))
+ md = mapdist(x, y, lp->lnd_x, lp->lnd_y);
+
+ if (mission == MI_INTERDICT && md > land_max_interdiction_range)
return dam;
range = roundrange(lnd_fire_range(lp));
mpr(victim, "%s %s fires at you at %s\n",
cname(lp->lnd_own), prland(lp), xyas(x, y, victim));
- return dam + dam2;
+ 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 md,
+ natid victim, int mission, char *s,
int targeting_ships)
{
struct mchrstr *mcp = &mchr[sp->shp_type];
double vrange, hitchance;
- int range, dam2;
+ int md, range, dam2;
- if (((mission == MI_INTERDICT) ||
- (mission == MI_SINTERDICT)) &&
- (md > ship_max_interdiction_range))
+ 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;
mpr(victim,
"Incoming torpedo sighted @ %s missed (whew)!\n",
xyas(x, y, victim));
- return dam;
+ return tally_dam(dam, 0);
}
wu(0, sp->shp_own, "\tBOOM!...\n");
nreport(victim, N_TORP_SHIP, 0, 1);
cname(sp->shp_own), prship(sp), xyas(x, y, victim));
}
- return dam + dam2;
+ 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 air_dam;
+ int performed, air_dam, sublaunch, dam2;
struct emp_qelem *qp, *newqp;
struct plist *plp;
- int sublaunch, dam2;
/*
* Missiles, except for interdiction of ships or land units,
* because that happens elsewhere, in shp_missile_interdiction()
* and lnd_missile_interdiction().
*/
- air_dam = 0;
+ performed = air_dam = 0;
for (qp = missiles->q_back; qp != missiles; qp = newqp) {
newqp = qp->q_back;
plp = (struct plist *)qp;
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();
emp_remque(qp);
free(qp);
}
- return dam + air_dam;
+
+ return performed ? tally_dam(dam, air_dam) : dam;
}
static int
{
struct emp_qelem *qp, *newqp, escorts, airp, b, e;
struct plist *plp;
- int plane_owner, air_dam, md;
+ int plane_owner, performed, air_dam, md;
emp_initque(&escorts);
emp_initque(&airp);
add_airport(&airp, plp->plane.pln_x, plp->plane.pln_y);
}
- air_dam = 0;
+ performed = air_dam = 0;
for (qp = airp.q_forw; qp != (&airp); qp = qp->q_forw) {
struct airport *air;
char buf[512];
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),
qp = newqp;
}
- return dam + air_dam;
+ return performed ? tally_dam(dam, air_dam) : dam;
}
int