/*
* 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
* ---
*
* aircombat.c: Deal with air to air combat
- *
+ *
* Known contributors to this file:
* Dave Pare, 1986
* Thomas Ruschak, 1992
* Steve McClure, 1996
- * Markus Armbruster, 2006-2008
+ * Markus Armbruster, 2006-2009
*/
#include <config.h>
#include "land.h"
#include "map.h"
#include "misc.h"
+#include "mission.h"
#include "nat.h"
#include "news.h"
#include "nsc.h"
#define FLAK_GUN_MAX 14
+static void sam_intercept(struct emp_qelem *, struct emp_qelem *,
+ natid, natid, coord, coord, int);
static void ac_intercept(struct emp_qelem *, struct emp_qelem *,
- struct emp_qelem *, natid, coord, coord);
-static int all_missiles(struct emp_qelem *);
+ struct emp_qelem *, natid, coord, coord, int);
+static void ac_combat_headers(natid, natid);
+static void ac_airtoair(struct emp_qelem *, struct emp_qelem *);
static void ac_dog(struct plist *, struct plist *);
-static void ac_planedamage(struct plist *, natid, int, natid, int,
- int, char *);
+static void ac_planedamage(struct plist *, natid, int, int, char *);
static void ac_doflak(struct emp_qelem *, struct sctstr *);
static void ac_landflak(struct emp_qelem *, coord, coord);
static void ac_shipflak(struct emp_qelem *, coord, coord);
static void ac_fireflak(struct emp_qelem *, natid, int);
-static void getilist(struct emp_qelem *, natid);
+static void getilists(struct emp_qelem *, unsigned char *, natid);
static int do_evade(struct emp_qelem *, struct emp_qelem *);
void
ac_encounter(struct emp_qelem *bomb_list, struct emp_qelem *esc_list,
- coord x, coord y, char *path, int mission_flags,
- int no_air_defense)
+ coord x, coord y, char *path, int mission_flags)
{
- int val, non_missiles;
- int rel;
+ int val;
int dir;
- int nats[MAXNOC];
- int lnats[MAXNOC];
- int gotilist[MAXNOC];
- int unfriendly[MAXNOC];
+ unsigned char gotships[MAXNOC];
+ unsigned char gotlands[MAXNOC];
+ unsigned char rel[MAXNOC];
int overfly[MAXNOC];
- struct emp_qelem ilist[MAXNOC], *qp;
- char mypath[1024];
- int myp;
- int civ, mil;
+ int flags;
+ struct emp_qelem ilist[MAXNOC];
natid plane_owner;
struct sctstr sect;
struct shpstr ship;
struct lndstr land;
struct nstr_item ni;
natid cn;
- struct natstr *over, *mynatp;
struct plist *plp;
int evaded;
struct shiplist *head = NULL;
int changed = 0;
- int intown = 0; /* Last owner to intercept */
/* We want to only intercept once per sector per owner. So, if we overfly
a sector, and then overfly some land units or ships, we don't want to
potentially intercept 3 times. */
plp = (struct plist *)bomb_list->q_forw;
plane_owner = plp->plane.pln_own;
- strncpy(mypath, path, sizeof(mypath));
- myp = 0;
-
memset(overfly, 0, sizeof(overfly));
- memset(gotilist, 0, sizeof(gotilist));
- memset(unfriendly, 0, sizeof(unfriendly));
- for (cn = 1; cn < MAXNOC; cn++) {
- if ((mynatp = getnatp(cn)) == 0)
- continue;
- rel = getrel(mynatp, plane_owner);
- if (rel > HOSTILE)
- continue;
- if (plane_owner == cn)
- continue;
- unfriendly[cn]++;
- }
+ getilists(ilist, rel, plane_owner);
+
+ if (CANT_HAPPEN(mission_flags && plane_owner != player->cnum))
+ mission_flags = 0;
+
if (mission_flags & PM_R) {
- if (mission_flags & P_S) {
- PR(plane_owner, "\nSPY Plane report\n");
- PRdate(plane_owner);
+ flags = pln_caps(bomb_list);
+ if (flags & P_S) {
+ pr("\nSPY Plane report\n");
+ prdate();
sathead();
- } else if (mission_flags & P_A) {
- PR(plane_owner, "\nAnti-Sub Patrol report\n");
+ } else if (flags & P_A) {
+ pr("\nAnti-Sub Patrol report\n");
} else {
- PR(plane_owner, "\nReconnaissance report\n");
- PRdate(plane_owner);
+ pr("\nReconnaissance report\n");
+ prdate();
}
}
- while ((dir = mypath[myp++]) && !QEMPTY(bomb_list)) {
- if ((val = diridx(dir)) == DIR_STOP)
- break;
- /* XXX using xnorm is probably bad */
- x = xnorm(x + diroff[val][0]);
- y = ynorm(y + diroff[val][1]);
+ for (;;) {
getsect(x, y, §);
- over = getnatp(sect.sct_own);
+ memset(gotships, 0, sizeof(gotships));
+ snxtitem_xy(&ni, EF_SHIP, x, y);
+ while (nxtitem(&ni, &ship)) {
+ if (mchr[(int)ship.shp_type].m_flags & M_SUB)
+ continue;
+ gotships[ship.shp_own] = 1;
+ }
+ memset(gotlands, 0, sizeof(gotlands));
+ snxtitem_xy(&ni, EF_LAND, x, y);
+ while (nxtitem(&ni, &land)) {
+ if (land.lnd_ship >= 0 || land.lnd_land >= 0)
+ continue;
+ gotlands[land.lnd_own] = 1;
+ }
if (mission_flags & PM_R) {
+ flags = pln_caps(bomb_list);
if (opt_HIDDEN)
- setcont(plane_owner, sect.sct_own, FOUND_FLY);
- if (sect.sct_type == SCT_WATER) {
- PR(plane_owner, "flying over %s at %s\n",
- dchr[sect.sct_type].d_name, xyas(x, y, plane_owner));
- if (mission_flags & PM_S)
- plane_sweep(bomb_list, x, y);
- if (mission_flags & P_A) {
- plane_sona(bomb_list, x, y, &head);
+ setcont(player->cnum, sect.sct_own, FOUND_FLY);
+ if (sect.sct_type == SCT_WATER)
+ pr("flying over %s at %s\n",
+ dchr[sect.sct_type].d_name, xyas(x, y, player->cnum));
+ else if (flags & P_S)
+ satdisp_sect(§, flags & P_I ? 10 : 50);
+ else
+ look_at_sect(§, 25);
+
+ if (flags & P_S)
+ satdisp_units(sect.sct_x, sect.sct_y);
+ else {
+ for (cn = 1; cn < MAXNOC; cn++) {
+ if (cn == player->cnum)
+ continue;
+ if (gotships[cn])
+ pr("Flying over %s ships in %s\n",
+ cname(cn), xyas(x, y, player->cnum));
+ if (gotlands[cn])
+ pr("Flying over %s land units in %s\n",
+ cname(cn), xyas(x, y, player->cnum));
}
- changed += map_set(plane_owner,
- sect.sct_x, sect.sct_y,
- dchr[sect.sct_type].d_mnem, 0);
- } else if (mission_flags & P_S) {
- satdisp_sect(§, (mission_flags & P_I) ? 10 : 50);
- } else {
- /* This is borrowed from lookout */
- if (sect.sct_own == plane_owner)
- PR(plane_owner, "Your ");
- else
- PR(plane_owner, "%s (#%d) ",
- cname(sect.sct_own), sect.sct_own);
- PR(plane_owner, "%s", dchr[sect.sct_type].d_name);
- changed += map_set(plane_owner,
- sect.sct_x, sect.sct_y,
- dchr[sect.sct_type].d_mnem, 0);
- PR(plane_owner, " %d%% efficient ",
- (sect.sct_own == plane_owner) ?
- sect.sct_effic : roundintby((int)sect.sct_effic, 25));
- civ = sect.sct_item[I_CIVIL];
- mil = sect.sct_item[I_MILIT];
- if (civ)
- PR(plane_owner, "with %s%d civ ",
- (sect.sct_own == plane_owner) ?
- "" : "approx ",
- (sect.sct_own == plane_owner) ?
- civ : roundintby(civ, 25));
- if (mil)
- PR(plane_owner, "with %s%d mil ",
- (sect.sct_own == plane_owner) ?
- "" : "approx ",
- (sect.sct_own == plane_owner) ?
- mil : roundintby(mil, 25));
- PR(plane_owner, "@ %s\n", xyas(x, y, plane_owner));
}
- if (mission_flags & P_S)
- satdisp_units(sect.sct_x, sect.sct_y);
- } else {
- PR(plane_owner, "flying over %s at %s\n",
- dchr[sect.sct_type].d_name, xyas(x, y, plane_owner));
- changed += map_set(plane_owner, sect.sct_x, sect.sct_y,
- dchr[sect.sct_type].d_mnem, 0);
- }
- if ((rel = getrel(over, plane_owner)) == ALLIED)
- continue;
+ } else
+ mpr(plane_owner, "flying over %s at %s\n",
+ dchr[sect.sct_type].d_name, xyas(x, y, plane_owner));
+ changed += map_set(plane_owner, sect.sct_x, sect.sct_y,
+ dchr[sect.sct_type].d_mnem, 0);
evaded = do_evade(bomb_list, esc_list);
-
- if (sect.sct_own != 0 && sect.sct_own != plane_owner && !evaded) {
- /* We only show planes overhead if they didn't
- * evade radar */
+ if (!evaded) {
overfly[sect.sct_own]++;
- PR(sect.sct_own, "%s planes spotted over %s\n",
- cname(plane_owner), xyas(x, y, sect.sct_own));
- if (opt_HIDDEN)
- setcont(cn, plane_owner, FOUND_FLY);
- }
+ for (cn = 1; cn < MAXNOC; cn++) {
+ if (cn == plane_owner || rel[cn] == ALLIED)
+ continue;
+ if (cn != sect.sct_own && !gotships[cn] && !gotlands[cn])
+ continue;
+ mpr(cn, "%s planes spotted over %s\n",
+ cname(plane_owner), xyas(x, y, cn));
+ if (opt_HIDDEN)
+ setcont(cn, plane_owner, FOUND_FLY);
+ }
- if (!evaded) {
/* Fire flak */
- if (unfriendly[sect.sct_own])
+ if (rel[sect.sct_own] <= HOSTILE)
ac_doflak(bomb_list, §);
/* If bombers left, fire flak from units and ships */
if (!QEMPTY(bomb_list))
ac_landflak(bomb_list, x, y);
if (!QEMPTY(bomb_list))
ac_shipflak(bomb_list, x, y);
+ /* mission planes aborted due to flak -- don't send escorts */
+ if (QEMPTY(bomb_list))
+ break;
+
+ for (cn = 1; cn < MAXNOC && !QEMPTY(bomb_list); cn++) {
+ if (rel[cn] > HOSTILE)
+ continue;
+ ac_intercept(bomb_list, esc_list, &ilist[cn], cn, x, y,
+ !(cn == sect.sct_own
+ || gotships[cn] || gotlands[cn]));
+ }
}
- /* mission planes aborted due to flak -- don't send escorts */
- if (QEMPTY(bomb_list))
- break;
- if (!no_air_defense && !evaded)
- air_defense(x, y, plane_owner, bomb_list, esc_list);
-
- if (sect.sct_own == 0 || sect.sct_own == plane_owner)
- continue;
-
- if (evaded)
- continue;
- non_missiles = 0;
- for (qp = bomb_list->q_forw; qp != bomb_list; qp = qp->q_forw) {
- struct plist *ip = (struct plist *)qp;
- if (!(plchr[(int)ip->plane.pln_type].pl_flags & P_M))
- non_missiles = 1;
+ if (mission_flags & PM_R) {
+ flags = pln_caps(bomb_list);
+ if (sect.sct_type == SCT_WATER && mission_flags & PM_S)
+ plane_sweep(bomb_list, x, y);
+ if (sect.sct_type == SCT_WATER && flags & P_A)
+ plane_sona(bomb_list, x, y, &head);
}
- if (!non_missiles)
- continue;
-
- if (unfriendly[sect.sct_own] && !gotilist[sect.sct_own]) {
- getilist(&ilist[sect.sct_own], sect.sct_own);
- gotilist[sect.sct_own]++;
- }
- if (rel > HOSTILE)
- continue;
- ac_intercept(bomb_list, esc_list, &ilist[sect.sct_own],
- sect.sct_own, x, y);
- intown = sect.sct_own;
+ dir = *path++;
+ if (!dir || QEMPTY(bomb_list) || (val = diridx(dir)) == DIR_STOP)
+ break;
+ x = xnorm(x + diroff[val][0]);
+ y = ynorm(y + diroff[val][1]);
}
/* Let's report all of the overflights even if aborted */
for (cn = 1; cn < MAXNOC; cn++) {
if (plane_owner == cn)
continue;
- if (overfly[cn] > 0)
+ if (overfly[cn] > 0 && rel[cn] != ALLIED)
nreport(plane_owner, N_OVFLY_SECT, cn, overfly[cn]);
}
/* If the map changed, update it */
if (changed)
- writemap(player->cnum);
- /* Now, if the bomber and escort lists are empty, we are done */
- if (QEMPTY(bomb_list) && QEMPTY(esc_list))
- goto out;
-
- /* Something made it through */
- /* Go figure out if there are ships in this sector, and who's they are */
- memset(nats, 0, sizeof(nats));
- snxtitem_xy(&ni, EF_SHIP, x, y);
- while (nxtitem(&ni, &ship)) {
- if (mchr[(int)ship.shp_type].m_flags & M_SUB)
- continue;
- nats[ship.shp_own]++;
- }
- /* Go figure out if there are units in this sector, and who's they are */
- memset(lnats, 0, sizeof(lnats));
- snxtitem_xy(&ni, EF_LAND, x, y);
- while (nxtitem(&ni, &land)) {
- if (land.lnd_ship >= 0 || land.lnd_land >= 0)
- continue;
- lnats[land.lnd_own]++;
- }
-
- /* Now, let's make life a little rougher. */
- for (cn = 1; cn < MAXNOC && !QEMPTY(bomb_list); cn++) {
- if (plane_owner == cn)
- continue;
- intown = -1;
- /* Are there ships owned by this country? */
- if (nats[cn] != 0) {
- /* Yes. */
- if (cn != 0) {
- PR(cn, "%s planes spotted over ships in %s\n",
- cname(plane_owner), xyas(x, y, cn));
- if (opt_HIDDEN)
- setcont(cn, plane_owner, FOUND_FLY);
- }
- if (unfriendly[cn]) {
- /* They are unfriendly too */
- if (!gotilist[cn]) {
- getilist(&ilist[cn], cn);
- gotilist[cn]++;
- }
- PR(plane_owner, "Flying over %s ships in %s\n",
- cname(cn), xyas(x, y, plane_owner));
- /* This makes going for ships in harbors tough */
- if (!evaded) {
- /* We already fired flak up above. Now we intercept again if we haven't already */
- /* Flag that we intercepted */
- intown = 1;
- /* And now intercept again */
- ac_intercept(bomb_list, esc_list, &ilist[cn],
- cn, x, y);
- }
- }
- }
- /* Are there units owned by this country? */
- if (lnats[cn] != 0) {
- /* Yes. */
- if (cn != 0) {
- PR(cn, "%s planes spotted over land units in %s\n",
- cname(plane_owner), xyas(x, y, cn));
- if (opt_HIDDEN)
- setcont(cn, plane_owner, FOUND_FLY);
- }
- if (unfriendly[cn]) {
- /* They are unfriendly too */
- if (!gotilist[cn]) {
- getilist(&ilist[cn], cn);
- gotilist[cn]++;
- }
- PR(plane_owner, "Flying over %s land units in %s\n",
- cname(cn), xyas(x, y, plane_owner));
- if (!evaded) {
- if (intown == -1) {
- /* We haven't intercepted yet, so intercept */
- ac_intercept(bomb_list, esc_list, &ilist[cn],
- cn, x, y);
- }
- }
- }
- }
- }
-out:
- if (mission_flags & P_A)
- free_shiplist(&head);
- for (cn = 1; cn < MAXNOC; cn++) {
- if (gotilist[cn])
- pln_put(&ilist[cn]);
- }
-}
-
-static int
-count_non_missiles(struct emp_qelem *list)
-{
- struct emp_qelem *qp;
- struct plist *plp;
- int att_count = 0;
+ writemap(plane_owner);
- /* don't intercept missiles */
- for (qp = list->q_forw; qp != list; qp = qp->q_forw) {
- plp = (struct plist *)qp;
- if (!(plp->pcp->pl_flags & P_M))
- att_count++;
- }
- return att_count;
+ free_shiplist(&head);
+ for (cn = 1; cn < MAXNOC; cn++)
+ pln_put(&ilist[cn]);
}
-void
+static void
sam_intercept(struct emp_qelem *att_list, struct emp_qelem *def_list,
natid def_own, natid plane_owner, coord x, coord y,
- int delete_missiles)
+ int only_mission)
{
struct emp_qelem *aqp;
struct emp_qelem *anext;
struct emp_qelem *dnext;
struct plist *aplp;
struct plist *dplp;
+ struct plnstr *pp;
int first = 1;
for (aqp = att_list->q_forw,
aqp != att_list && dqp != def_list; aqp = anext) {
anext = aqp->q_forw;
aplp = (struct plist *)aqp;
- if (aplp->pcp->pl_flags & P_M)
- continue;
if (aplp->pcp->pl_cost < 1000)
continue;
for (; dqp != def_list; dqp = dnext) {
dnext = dqp->q_forw;
dplp = (struct plist *)dqp;
+ pp = &dplp->plane;
if (!(dplp->pcp->pl_flags & P_M))
continue;
-
- if (dplp->plane.pln_range <
- mapdist(x, y, dplp->plane.pln_x, dplp->plane.pln_y)) {
- emp_remque(dqp);
- free(dqp);
+ if (only_mission && !pp->pln_mission)
continue;
- }
- if (CANT_HAPPEN(dplp->plane.pln_flags & PLN_LAUNCHED)
- || mission_pln_equip(dplp, 0, P_F, 0) < 0) {
+ if (pp->pln_range < mapdist(x, y, pp->pln_x, pp->pln_y))
+ continue;
+ if (pp->pln_mission
+ && pp->pln_radius < mapdist(x, y, pp->pln_opx, pp->pln_opy))
+ continue;
+ if (CANT_HAPPEN(pp->pln_flags & PLN_LAUNCHED)
+ || mission_pln_equip(dplp, NULL, 0) < 0) {
emp_remque(dqp);
free(dqp);
continue;
}
- dplp->plane.pln_flags |= PLN_LAUNCHED;
- putplane(dplp->plane.pln_uid, &dplp->plane);
+ pp->pln_flags |= PLN_LAUNCHED;
+ putplane(pp->pln_uid, pp);
if (first) {
first = 0;
- PR(plane_owner, "%s launches SAMs!\n", cname(def_own));
- PR(def_own, "Launching SAMs at %s planes over %s!\n",
- cname(plane_owner), xyas(x, y, def_own));
+ mpr(plane_owner, "%s launches SAMs!\n", cname(def_own));
+ mpr(def_own, "Launching SAMs at %s planes over %s!\n",
+ cname(plane_owner), xyas(x, y, def_own));
ac_combat_headers(plane_owner, def_own);
}
ac_dog(aplp, dplp);
}
}
if (!first) {
- PR(plane_owner, "\n");
- PR(def_own, "\n");
- }
- if (delete_missiles) {
- for (; dqp != def_list; dqp = dnext) {
- dnext = dqp->q_forw;
- dplp = (struct plist *)dqp;
- if (!(dplp->pcp->pl_flags & P_M))
- continue;
- emp_remque(dqp);
- free(dqp);
- continue;
- }
+ mpr(plane_owner, "\n");
+ mpr(def_own, "\n");
}
}
static void
ac_intercept(struct emp_qelem *bomb_list, struct emp_qelem *esc_list,
- struct emp_qelem *def_list, natid def_own, coord x, coord y)
+ struct emp_qelem *def_list, natid def_own, coord x, coord y,
+ int only_mission)
{
struct plnstr *pp;
struct plist *plp;
plp = (struct plist *)bomb_list->q_forw;
plane_owner = plp->plane.pln_own;
- icount = 0;
-
- sam_intercept(bomb_list, def_list, def_own, plane_owner, x, y, 0);
- sam_intercept(esc_list, def_list, def_own, plane_owner, x, y, 1);
- if (!(att_count = count_non_missiles(bomb_list) +
- count_non_missiles(esc_list)))
+ sam_intercept(bomb_list, def_list, def_own, plane_owner, x, y,
+ only_mission);
+ sam_intercept(esc_list, def_list, def_own, plane_owner, x, y,
+ only_mission);
+
+ att_count = 0;
+ for (qp = bomb_list->q_forw; qp != bomb_list; qp = qp->q_forw)
+ att_count++;
+ for (qp = esc_list->q_forw; qp != esc_list; qp = qp->q_forw)
+ att_count++;
+ if (!att_count)
return;
emp_initque(&int_list);
+ icount = 0;
for (qp = def_list->q_forw; qp != def_list; qp = next) {
next = qp->q_forw;
plp = (struct plist *)qp;
/* SAMs interdict separately */
if (plp->pcp->pl_flags & P_M)
continue;
+ if (only_mission && !pp->pln_mission)
+ continue;
dist = mapdist(x, y, pp->pln_x, pp->pln_y) * 2;
if (pp->pln_range < dist)
continue;
+ if (pp->pln_mission
+ && pp->pln_radius < mapdist(x, y, pp->pln_opx, pp->pln_opy))
+ continue;
if (CANT_HAPPEN(pp->pln_flags & PLN_LAUNCHED)
- || mission_pln_equip(plp, 0, P_F, 0) < 0) {
+ || mission_pln_equip(plp, NULL, 0) < 0) {
emp_remque(qp);
free(qp);
continue;
emp_remque(qp);
emp_insque(qp, &int_list);
pp->pln_flags |= PLN_LAUNCHED;
- pp->pln_mobil -= pln_mobcost(dist, pp, P_F);
+ pp->pln_mobil -= pln_mobcost(dist, pp, 0);
putplane(pp->pln_uid, pp);
icount++;
if (icount > att_count)
}
if (icount == 0)
return;
- PR(plane_owner, "%d %s fighter%s rising to intercept!\n",
- icount, cname(def_own), icount == 1 ? " is" : "s are");
- PR(def_own, "%d fighter%s intercepting %s planes over %s!\n",
- icount, icount == 1 ? " is" : "s are", cname(plane_owner),
- xyas(x, y, def_own));
+ mpr(plane_owner, "%d %s fighter%s rising to intercept!\n",
+ icount, cname(def_own), icount == 1 ? " is" : "s are");
+ mpr(def_own, "%d fighter%s intercepting %s planes over %s!\n",
+ icount, icount == 1 ? " is" : "s are", cname(plane_owner),
+ xyas(x, y, def_own));
ac_combat_headers(plane_owner, def_own);
ac_airtoair(esc_list, &int_list);
ac_airtoair(bomb_list, &int_list);
- PR(plane_owner, "\n");
- PR(def_own, "\n");
+ mpr(plane_owner, "\n");
+ mpr(def_own, "\n");
pln_put(&int_list);
}
-void
+static void
ac_combat_headers(natid plane_owner, natid def_own)
{
- PR(plane_owner,
- " %-10.10s %-10.10s strength int odds damage results\n",
- cname(plane_owner), cname(def_own));
- PR(def_own,
- " %-10.10s %-10.10s strength int odds damage results\n",
- cname(def_own), cname(plane_owner));
+ mpr(plane_owner,
+ " %-10.10s %-10.10s strength int odds damage results\n",
+ cname(plane_owner), cname(def_own));
+ mpr(def_own,
+ " %-10.10s %-10.10s strength int odds damage results\n",
+ cname(def_own), cname(plane_owner));
}
/*
* air-to-air combat.
*/
-void
+static void
ac_airtoair(struct emp_qelem *att_list, struct emp_qelem *int_list)
{
struct plist *attacker;
struct plist *interceptor;
struct emp_qelem *att;
struct emp_qelem *in;
- int nplanes;
int more_att;
int more_int;
struct emp_qelem *att_next;
in_next = in->q_forw;
att_next = att->q_forw;
attacker = (struct plist *)att;
-
- /* skip missiles. If only missiles left, we're done */
- if (plchr[(int)attacker->plane.pln_type].pl_flags & P_M) {
- att = att_next;
- if (att == att_list) {
- more_att = 0;
- if (QEMPTY(att_list))
- more_int = 0;
- else
- att = att->q_forw;
- }
- if (all_missiles(att_list))
- more_att = 0;
- continue;
- }
interceptor = (struct plist *)in;
- nplanes = attacker->plane.pln_effic;
- if (nplanes > interceptor->plane.pln_effic)
- nplanes = interceptor->plane.pln_effic;
ac_dog(attacker, interceptor);
in = in_next;
att = att_next;
}
}
-static int
-all_missiles(struct emp_qelem *att_list)
+static void
+ac_dog_report(natid to, int intensity, double odds,
+ struct plist *p1, int val1, int dam1, char *dam_mesg1,
+ struct plist *p2, int val2, int dam2, char *dam_mesg2)
{
- struct emp_qelem *qp;
- struct plist *p;
-
- qp = att_list->q_forw;
- while (qp != att_list) {
- p = (struct plist *)qp;
- if (!(plchr[(int)p->plane.pln_type].pl_flags & P_M))
- return 0;
-
- qp = qp->q_forw;
- }
- return 1;
+ mpr(to, " %3.3s #%-4d %3.3s #%-4d %3d/%-3d %3d %3.2f %3d/%-3d"
+ "%-13.13s %-13.13s\n",
+ p1->pcp->pl_name, p1->plane.pln_uid,
+ p2->pcp->pl_name, p2->plane.pln_uid,
+ val1, val2, intensity, odds, dam1, dam2,
+ dam_mesg1, dam_mesg2);
}
static void
{
int att, def;
double odds;
- int intensity;
+ int intensity, i;
natid att_own, def_own;
int adam, ddam;
- char mesg[1024];
- char temp[14];
+ char adam_mesg[14], ddam_mesg[14];
att_own = ap->plane.pln_own;
def_own = dp->plane.pln_own;
- PR(att_own, " %3.3s #%-4d %3.3s #%-4d",
- ap->pcp->pl_name,
- ap->plane.pln_uid, dp->pcp->pl_name, dp->plane.pln_uid);
- if (def_own)
- PR(def_own, " %3.3s #%-4d %3.3s #%-4d",
- dp->pcp->pl_name,
- dp->plane.pln_uid, ap->pcp->pl_name, ap->plane.pln_uid);
att = pln_att(&ap->plane);
if (att == 0)
att = pln_def(&ap->plane);
def = pln_def(&dp->plane) * dp->plane.pln_effic / 100;
def = MAX(def, dp->pcp->pl_def / 2);
- if ((ap->pcp->pl_flags & P_F) && ap->bombs != 0)
+ if ((ap->pcp->pl_flags & P_F) && ap->load != 0)
att -= 2;
- if ((dp->pcp->pl_flags & P_F) && dp->bombs != 0)
+ if ((dp->pcp->pl_flags & P_F) && dp->load != 0)
def -= 2;
att += ap->pcp->pl_stealth / 25.0;
def += dp->pcp->pl_stealth / 25.0;
odds = 0.05;
intensity = roll(20) + roll(20) + roll(20) + roll(20) + 1;
- PR(att_own, " %3d/%-3d %3d %3.2f ", att, def, intensity, odds);
- PR(def_own, " %3d/%-3d %3d %3.2f ", def, att, intensity, odds);
-
adam = 0;
ddam = 0;
- while ((intensity--) > 0) {
-
+ for (i = 0; i < intensity; i++) {
if (chance(odds)) {
- ddam += 1;
- if ((dp->plane.pln_effic - ddam) < PLANE_MINEFF)
- intensity = 0;
+ ddam++;
+ if (dp->plane.pln_effic - ddam < PLANE_MINEFF)
+ break;
} else {
- adam += 1;
- if ((ap->plane.pln_effic - adam) < PLANE_MINEFF)
- intensity = 0;
+ adam++;
+ if (ap->plane.pln_effic - adam < PLANE_MINEFF)
+ break;
}
}
if (dp->pcp->pl_flags & P_M)
ddam = 100;
- PR(att_own, "%3d/%-3d", adam, ddam);
- PR(def_own, "%3d/%-3d", ddam, adam);
- ac_planedamage(ap, def_own, adam, def_own, 1, 0, mesg);
- strncpy(temp, mesg, 14);
- ac_planedamage(dp, att_own, ddam, att_own, 1, 0, mesg);
- PR(att_own, "%-13.13s %-13.13s\n", temp, mesg);
- PR(def_own, "%-13.13s %-13.13s\n", mesg, temp);
+ ac_planedamage(ap, def_own, adam, 0, adam_mesg);
+ ac_planedamage(dp, att_own, ddam, 0, ddam_mesg);
+ ac_dog_report(att_own, intensity, odds,
+ ap, att, adam, adam_mesg,
+ dp, def, ddam, ddam_mesg);
+ ac_dog_report(def_own, intensity, odds,
+ dp, def, ddam, ddam_mesg,
+ ap, att, adam, adam_mesg);
if (opt_HIDDEN) {
setcont(att_own, def_own, FOUND_FLY);
/*
* zap plane associated with plp.
* Damaging country is "from", damage is "dam".
- * def_own is the country on the other side of the conflict from the plane
- * owner. The only time def_own != from is when the interceptor is getting
- * damaged.
*
* NOTE: This routine removes the appropriate plane element from the
* queue if it gets destroyed. That means that the caller must assume
* call. (this has caused bugs in the past)
*/
static void
-ac_planedamage(struct plist *plp, natid from, int dam, natid other,
- int checkabort, int show, char *mesg)
+ac_planedamage(struct plist *plp, natid from, int dam, int flak,
+ char *mesg)
{
- struct plnstr *pp;
- int disp;
- char dmess[255];
- int eff;
- natid plane_owner;
+ int disp = ac_damage_plane(&plp->plane, from, dam, flak, mesg);
- disp = 0;
- pp = &plp->plane;
- plane_owner = pp->pln_own;
- eff = pp->pln_effic;
- sprintf(dmess, " no damage");
+ if (disp) {
+ pln_put1(plp);
+ } else
+ putplane(plp->plane.pln_uid, &plp->plane);
+}
+
+int
+ac_damage_plane(struct plnstr *pp, natid from, int dam, int flak,
+ char *mesg)
+{
+ int eff, disp;
+
+ *mesg = 0;
if (dam <= 0) {
- strcpy(mesg, dmess);
- return;
+ if (!flak)
+ snprintf(mesg, 14, " no damage");
+ return 0;
}
- memset(dmess, 0, sizeof(dmess));
- eff -= dam;
+
+ eff = pp->pln_effic - dam;
if (eff < 0)
eff = 0;
+
+ disp = 0;
if (eff < PLANE_MINEFF) {
- sprintf(dmess, " shot down");
+ snprintf(mesg, 14, " shot down");
disp = 1;
- } else if (eff < 80 && chance((80 - eff) / 100.0) && checkabort) {
- sprintf(dmess, " aborted @%2d%%", eff);
+ } else if (eff < 80 && chance((80 - eff) / 100.0)) {
+ snprintf(mesg, 14, " aborted @%2d%%", eff);
disp = 2;
- } else if (show == 0) {
- sprintf(dmess, " cleared");
- }
-
- if ((plp->pcp->pl_flags & P_M) == 0) {
- if (show) {
- PR(plane_owner, " %s %s takes %d%s.\n",
- cname(pp->pln_own), prplane(pp), dam, dmess);
- if (other)
- PR(other, " %s %s takes %d%s.\n",
- cname(pp->pln_own), prplane(pp), dam, dmess);
- }
- }
- if (show && checkabort == 1) {
- PR(plane_owner, "\n");
- if (other)
- PR(other, "\n");
- }
+ } else if (!flak)
+ snprintf(mesg, 14, " cleared");
pp->pln_effic = eff;
pp->pln_mobil -= MIN(32 + pp->pln_mobil, dam / 2);
- if (disp) {
- if (disp == 1 && from != 0 && (plp->pcp->pl_flags & P_M) == 0)
- nreport(from, N_DOWN_PLANE, pp->pln_own, 1);
- pln_put1(plp);
- } else
- putplane(pp->pln_uid, pp);
- strcpy(mesg, dmess);
+
+ if (disp == 1 && from != 0 && !(plchr[pp->pln_type].pl_flags & P_M))
+ nreport(from, N_DOWN_PLANE, pp->pln_own, 1);
+ return disp;
}
static void
ac_doflak(struct emp_qelem *list, struct sctstr *from)
{
- int shell;
int gun;
natid plane_owner;
struct plist *plp;
plane_owner = plp->plane.pln_own;
gun = MIN(FLAK_GUN_MAX, from->sct_item[I_GUN]);
- shell = from->sct_item[I_SHELL];
- if (gun > shell * 2) {
- shell += supply_commod(from->sct_own, from->sct_x, from->sct_y,
- I_SHELL, (gun + 1) / 2 - shell);
- from->sct_item[I_SHELL] = shell;
- putsect(from);
- }
- if (gun > shell * 2)
- gun = shell * 2;
-
gun = roundavg(tfact(from->sct_own, 2.0 * gun));
if (gun > 0) {
- PR(plane_owner, "firing %d flak guns in %s...\n",
- gun, xyas(from->sct_x, from->sct_y, plane_owner));
- if (from->sct_own != 0)
- PR(from->sct_own, "firing %d flak guns in %s...\n",
- gun, xyas(from->sct_x, from->sct_y, from->sct_own));
+ mpr(plane_owner, "firing %d flak guns in %s...\n",
+ gun, xyas(from->sct_x, from->sct_y, plane_owner));
+ mpr(from->sct_own, "firing %d flak guns in %s...\n",
+ gun, xyas(from->sct_x, from->sct_y, from->sct_own));
ac_fireflak(list, from->sct_own, gun);
}
}
struct shpstr ship;
struct mchrstr *mcp;
double flak, total, ngun;
- int gun, shell;
- int rel;
+ int gun;
struct plist *plp;
natid plane_owner;
natid from;
- int nats[MAXNOC];
plp = (struct plist *)list->q_forw;
plane_owner = plp->plane.pln_own;
- memset(nats, 0, sizeof(nats));
total = ngun = 0;
snxtitem_xy(&ni, EF_SHIP, x, y);
while (!QEMPTY(list) && nxtitem(&ni, &ship)) {
mcp = &mchr[(int)ship.shp_type];
if (mcp->m_flags & M_SUB)
continue;
- rel = getrel(getnatp(ship.shp_own), plane_owner);
- if (rel > HOSTILE)
+ if (getrel(getnatp(ship.shp_own), plane_owner) > HOSTILE)
continue;
- shell = 0;
gun = shp_usable_guns(&ship);
- if (gun) {
- shell = ship.shp_item[I_SHELL];
- if (shell <= 0) {
- shell = supply_commod(ship.shp_own, ship.shp_x, ship.shp_y,
- I_SHELL, 1);
- ship.shp_item[I_SHELL] = shell;
- putship(ship.shp_uid, &ship);
- }
- }
- if (gun == 0 || shell == 0)
+ if (gun == 0)
continue;
flak = gun * (ship.shp_effic / 100.0);
ngun += flak;
total += techfact(ship.shp_tech, flak * 2.0);
- if (!nats[ship.shp_own]) {
- /* First time here, print the message */
- PR(ship.shp_own, "%s planes spotted over ships in %s\n",
- cname(plane_owner), xyas(x, y, ship.shp_own));
- PR(plane_owner, "Flying over %s ships in %s\n",
- cname(ship.shp_own), xyas(x, y, plane_owner));
- nats[ship.shp_own] = 1;
- }
- PR(ship.shp_own, "firing %.0f flak guns from %s...\n",
- flak, prship(&ship));
+ mpr(ship.shp_own, "firing %.0f flak guns from %s...\n",
+ flak, prship(&ship));
from = ship.shp_own;
}
gun = roundavg(total);
if (gun > 0) {
- PR(plane_owner, "Flak! Ships firing %d flak guns...\n", gun);
+ mpr(plane_owner, "Flak! Ships firing %d flak guns...\n", gun);
ac_fireflak(list, from, gun);
}
}
struct lchrstr *lcp;
double flak, total, ngun;
int aaf, gun;
- int rel;
struct plist *plp;
natid plane_owner;
natid from;
- int nats[MAXNOC];
plp = (struct plist *)list->q_forw;
plane_owner = plp->plane.pln_own;
- memset(nats, 0, sizeof(nats));
total = ngun = 0;
snxtitem_xy(&ni, EF_LAND, x, y);
while (!QEMPTY(list) && nxtitem(&ni, &land)) {
continue;
if (land.lnd_ship >= 0 || land.lnd_land >= 0)
continue;
- rel = getrel(getnatp(land.lnd_own), plane_owner);
- if (rel > HOSTILE)
+ if (getrel(getnatp(land.lnd_own), plane_owner) > HOSTILE)
continue;
flak = aaf * 1.5 * land.lnd_effic / 100.0;
ngun += flak;
total += techfact(land.lnd_tech, flak * 2.0);
- if (!nats[land.lnd_own]) {
- /* First time here, print the message */
- PR(land.lnd_own, "%s planes spotted over land units in %s\n",
- cname(plane_owner), xyas(x, y, land.lnd_own));
- PR(plane_owner, "Flying over %s land units in %s\n",
- cname(land.lnd_own), xyas(x, y, plane_owner));
- nats[land.lnd_own] = 1;
- }
- PR(land.lnd_own, "firing flak guns from unit %s (aa rating %d)\n",
- prland(&land), aaf);
+ mpr(land.lnd_own, "firing flak guns from unit %s (aa rating %d)\n",
+ prland(&land), aaf);
from = land.lnd_own;
}
gun = roundavg(total);
if (gun > 0) {
- PR(plane_owner, "Flak! Land units firing %d flak guns...\n", gun);
+ mpr(plane_owner, "Flak! Land units firing %d flak guns...\n", gun);
ac_fireflak(list, from, gun);
}
}
int n;
struct emp_qelem *qp;
struct emp_qelem *next;
- char msg[255];
-
- plp = (struct plist *)list->q_forw;
+ char msg[14];
for (qp = list->q_forw; qp != list; qp = next) {
next = qp->q_forw;
plp = (struct plist *)qp;
n = ac_flak_dam(guns, pln_def(&plp->plane), plp->pcp->pl_flags);
- ac_planedamage(plp, from, n, 0, 2, 1, msg);
+ ac_planedamage(plp, from, n, 1, msg);
+ mpr(plp->plane.pln_own, " %s takes %d%s%s.\n",
+ prplane(&plp->plane), n, *msg ? " --" : "", msg);
}
}
flak = guns - def;
if ((pl_flags & P_T) == 0)
flak--;
- if (pl_flags & P_X)
- flak -= 2;
- if (pl_flags & P_H)
- flak -= 1;
if (flak > 8)
mult = flaktable[FLAK_MAX];
}
/*
- * Get a list of planes available for interception duties.
+ * Get planes available for interception duties.
*/
static void
-getilist(struct emp_qelem *list, natid own)
+getilists(struct emp_qelem *list, unsigned char *rel, natid intruder)
{
+ natid cn;
struct plchrstr *pcp;
struct plnstr plane;
struct nstr_item ni;
struct plist *ip;
- emp_initque(list);
+ rel[0] = NEUTRAL;
+ for (cn = 1; cn < MAXNOC; cn++) {
+ rel[cn] = getrel(getnatp(cn), intruder);
+ emp_initque(&list[cn]);
+ }
+
snxtitem_all(&ni, EF_PLANE);
while (nxtitem(&ni, &plane)) {
- if (plane.pln_own != own)
+ if (rel[plane.pln_own] > HOSTILE)
continue;
pcp = &plchr[(int)plane.pln_type];
if ((pcp->pl_flags & P_F) == 0)
continue;
if (plane.pln_flags & PLN_LAUNCHED)
continue;
- if (plane.pln_mission != 0)
+ if (plane.pln_mission && plane.pln_mission != MI_AIR_DEFENSE)
continue;
if (plane.pln_mobil <= 0)
continue;
continue;
/* got one! */
ip = malloc(sizeof(*ip));
- ip->bombs = 0;
- ip->misc = 0;
+ ip->load = 0;
ip->pcp = &plchr[(int)plane.pln_type];
ip->plane = plane;
- emp_insque(&ip->queue, list);
+ emp_insque(&ip->queue, &list[plane.pln_own]);
}
}
projects / empserver / blobdiff