/*
* Empire - A multi-player, client/server Internet based war game.
- * Copyright (C) 1986-2000, Dave Pare, Jeff Bailey, Thomas Ruschak,
+ * Copyright (C) 1986-2008, 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.
*
* ---
*
* 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
*/
-#include <string.h>
+#include <config.h>
-#include "misc.h"
-#include "player.h"
-#include "var.h"
-#include "news.h"
+#include "file.h"
#include "land.h"
-#include "sect.h"
-#include "nuke.h"
-#include "plane.h"
-#include "ship.h"
+#include "map.h"
+#include "misc.h"
#include "nat.h"
-#include "file.h"
-#include "xy.h"
+#include "news.h"
#include "nsc.h"
+#include "optlist.h"
#include "path.h"
+#include "plane.h"
+#include "player.h"
#include "prototypes.h"
-#include "optlist.h"
-
-extern int update_pending;
-
-#ifndef MIN
-#define MIN(x,y) ((x) < (y) ? (x) : (y))
-#endif
-#ifndef MAX
-#define MAX(x,y) ((x) < (y) ? (y) : (x))
-#endif
-
-static void getilist(struct emp_qelem *list, natid own,
- struct emp_qelem *a, struct emp_qelem *b,
- struct emp_qelem *c, struct emp_qelem *d);
-static void ac_dog(register struct plist *ap, register struct plist *dp);
-
-#define DOG_MAX 15
-#define FLAK_MAX 15
+#include "sect.h"
+#include "ship.h"
+#include "xy.h"
- /* -7 -6 -5 -4 -3 -2 -1 0 */
-float flaktable[16] = { 0.20, 0.20, 0.25, 0.30, 0.35, 0.40, 0.45, 0.50,
- 0.50, 0.55, 0.60, 0.65, 0.70, 0.75, 0.80, 0.85, };
+#define FLAK_GUN_MAX 14
+
+static int plane_caps(struct emp_qelem *);
+static void ac_intercept(struct emp_qelem *, struct emp_qelem *,
+ struct emp_qelem *, natid, coord, coord);
+static void ac_dog(struct plist *, struct plist *);
+static void ac_planedamage(struct plist *, natid, int, 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 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, s_char *path, int mission_flags, int no_air_defense, struct emp_qelem *obomb, struct emp_qelem *oesc)
+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)
{
- int val, non_missiles;
- int rel;
- int dir;
- int nats[MAXNOC];
- int lnats[MAXNOC];
- int gotilist[MAXNOC];
- int unfriendly[MAXNOC];
- int overfly[MAXNOC];
- struct emp_qelem ilist[MAXNOC], *qp;
- s_char mypath[1024];
- int myp;
- int civ, mil;
- 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 shiplook head;
- struct shiplook *s,*s2;
- int changed = 0;
- int intx, inty; /* Last sector planes intercepted over */
- int intown = 0; /* Last owner to intercept */
+ int val;
+ int rel;
+ int dir;
+ int nats[MAXNOC];
+ int lnats[MAXNOC];
+ int gotilist[MAXNOC];
+ int unfriendly[MAXNOC];
+ int overfly[MAXNOC];
+ int flags;
+ struct emp_qelem ilist[MAXNOC];
+ int civ, mil;
+ natid plane_owner;
+ struct sctstr sect;
+ struct shpstr ship;
+ struct lndstr land;
+ struct nstr_item ni;
+ natid cn;
+ struct natstr *mynatp;
+ struct plist *plp;
+ int evaded;
+ struct shiplist *head = NULL;
+ int changed = 0;
/* 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. */
- bzero((s_char *)&head,sizeof(struct shiplook));
- head.uid = -1;
-
- plp = (struct plist *) bomb_list->q_forw;
- plane_owner = plp->plane.pln_own;
-
- bzero((s_char *)mypath, 1024);
- bcopy(path,mypath,strlen(path));
- myp = 0;
-
- bzero((s_char *)overfly, sizeof(overfly));
- bzero((s_char *)gotilist, sizeof(gotilist));
- bzero((s_char *)unfriendly, 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]++;
- }
- if (mission_flags & PM_R) {
- if (mission_flags & P_S) {
- PR(plane_owner,"\nSPY Plane report\n");
- PRdate(plane_owner);
- sathead();
- } else if (mission_flags & P_A){
- PR(plane_owner,"\nAnti-Sub Patrol report\n");
- } else {
- PR(plane_owner,"\nReconnaissance report\n");
- PRdate(plane_owner);
- }
- }
-
- pln_removedupes(bomb_list, esc_list);
- while ((dir = mypath[myp++]) && !QEMPTY(bomb_list)) {
- if ((val = chkdir(dir, DIR_STOP, DIR_LAST)) == 0)
- break;
- /* XXX using xnorm is probably bad */
- x = xnorm(x + diroff[val][0]);
- y = ynorm(y + diroff[val][1]);
- getsect(x, y, §);
- over = getnatp(sect.sct_own);
- if (opt_HIDDEN) {
- setcont(plane_owner,sect.sct_own, FOUND_FLY);
- }
+ plp = (struct plist *)bomb_list->q_forw;
+ plane_owner = plp->plane.pln_own;
+
+ 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]++;
+ }
+ if (mission_flags & PM_R) {
+ flags = plane_caps(bomb_list);
+ if (flags & P_S) {
+ PR(plane_owner, "\nSPY Plane report\n");
+ PRdate(plane_owner);
+ sathead();
+ } else if (flags & P_A) {
+ PR(plane_owner, "\nAnti-Sub Patrol report\n");
+ } else {
+ PR(plane_owner, "\nReconnaissance report\n");
+ PRdate(plane_owner);
+ }
+ }
+
+ for (;;) {
+ getsect(x, y, §);
+
+ if (mission_flags & PM_R) {
+ flags = plane_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 (flags & P_A)
+ plane_sona(bomb_list, x, y, &head);
+ changed += map_set(plane_owner,
+ sect.sct_x, sect.sct_y,
+ dchr[sect.sct_type].d_mnem, 0);
+ } else if (flags & P_S) {
+ satdisp_sect(§, 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 (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 (mission_flags & PM_R) {
- 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);
- }
- 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(§, (mission_flags&P_I)?10:50, 1);
- } 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,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 = getvar(V_CIVIL, (s_char *)§, EF_SECTOR);
- mil = getvar(V_MILIT, (s_char *)§, EF_SECTOR);
- 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));
- }
- } 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;
-
- 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 */
- overfly[sect.sct_own]++;
- PR(sect.sct_own, "%s planes spotted over %s\n",
- cname(plane_owner), xyas(x, y, sect.sct_own));
- }
+ evaded = do_evade(bomb_list, esc_list);
+ if (!evaded) {
+ if (sect.sct_own != 0 && sect.sct_own != plane_owner
+ && getrel(getnatp(sect.sct_own), plane_owner) != ALLIED) {
+ 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(sect.sct_own, plane_owner, FOUND_FLY);
+ }
- if (!evaded) {
- /* Fire flak */
- if (unfriendly[sect.sct_own])
- 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);
+ /* Fire flak */
+ if (unfriendly[sect.sct_own])
+ 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;
+
+ if (!no_air_defense)
+ air_defense(x, y, plane_owner, bomb_list, esc_list);
+
+ if (unfriendly[sect.sct_own]) {
+ if (!gotilist[sect.sct_own]) {
+ getilist(&ilist[sect.sct_own], sect.sct_own);
+ gotilist[sect.sct_own]++;
}
- /* 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 (!non_missiles)
- continue;
-
- if (unfriendly[sect.sct_own] && !gotilist[sect.sct_own]) {
- getilist(&ilist[sect.sct_own], sect.sct_own,
- bomb_list, esc_list, obomb, oesc);
- gotilist[sect.sct_own]++;
- }
- if (rel > HOSTILE)
- continue;
- ac_intercept(bomb_list, esc_list, &ilist[sect.sct_own],
- sect.sct_own, x, y);
- intx = x;
- inty = y;
- intown = sect.sct_own;
+ ac_intercept(bomb_list, esc_list, &ilist[sect.sct_own],
+ sect.sct_own, x, y);
+ }
}
- /* 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)
- nreport(plane_owner, N_OVFLY_SECT, cn, overfly[cn]);
+ 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)
+ 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;
+ if (nats[cn] != 0) {
+ PR(plane_owner, "Flying over %s ships in %s\n",
+ cname(cn), xyas(x, y, plane_owner));
+ PR(cn, "%s planes spotted over ships in %s\n",
+ cname(plane_owner), xyas(x, y, cn));
}
- /* If the map changed, update it */
- if (changed)
- if (!update_pending && plane_owner == player->cnum)
- writemap(player->cnum);
- /* Now, if the bomber and escort lists are empty, we are done */
- if (QEMPTY(bomb_list) && QEMPTY(esc_list)) {
- if (mission_flags & P_A){
- s=head.next;
- while (s != (struct shiplook *)0){
- s2=s;
- s=s->next;
- free(s2);
- }
- }
- return;
- }
-
- /* Something made it through */
- /* Go figure out if there are ships in this sector, and who's they are */
- bzero((s_char *)nats, sizeof(nats));
- snxtitem_xy(&ni, EF_SHIP, x, y);
- while (nxtitem(&ni, (s_char *)&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 */
- bzero((s_char *)lnats, sizeof(lnats));
- snxtitem_xy(&ni, EF_LAND, x, y);
- while (nxtitem(&ni, (s_char *)&land)) {
- 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 (unfriendly[cn]) {
- /* They are unfriendly too */
- if (!gotilist[cn]) {
- getilist(&ilist[cn], cn, bomb_list, esc_list, obomb, oesc);
- 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 (unfriendly[cn]) {
- /* They are unfriendly too */
- if (!gotilist[cn]) {
- getilist(&ilist[cn], cn, bomb_list, esc_list, obomb, oesc);
- 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);
- }
- }
+ if (lnats[cn] != 0) {
+ PR(plane_owner, "Flying over %s land units in %s\n",
+ cname(cn), xyas(x, y, plane_owner));
+ PR(cn, "%s planes spotted over land units in %s\n",
+ cname(plane_owner), xyas(x, y, cn));
+ }
+ if (nats[cn] || lnats[cn]) {
+ if (opt_HIDDEN)
+ setcont(cn, plane_owner, FOUND_FLY);
+ if (unfriendly[cn] && !evaded) {
+ if (!gotilist[cn]) {
+ getilist(&ilist[cn], cn);
+ gotilist[cn]++;
}
+ ac_intercept(bomb_list, esc_list, &ilist[cn], cn, x, y);
}
- }
-
- if ((mission_flags & P_A) && (head.uid != -1)) {
- s=head.next;
- while (s != (struct shiplook *)0){
- s2=s;
- s=s->next;
- free(s2);
- }
- }
+ }
+ }
+out:
+ 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)
+plane_caps(struct emp_qelem *list)
{
- struct emp_qelem *qp;
- struct plist *plp;
- int att_count = 0;
-
- /* 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;
+ struct emp_qelem *qp;
+ struct plist *plp;
+ int fl;
+
+ fl = 0;
+ for (qp = list->q_forw; qp != list; qp = qp->q_forw) {
+ plp = (struct plist *)qp;
+ fl |= plp->pcp->pl_flags;
+ }
+
+ return fl;
}
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)
+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)
{
- struct emp_qelem *aqp;
- struct emp_qelem *anext;
- struct emp_qelem *dqp;
- struct emp_qelem *dnext;
- struct plist *aplp;
- struct plist *dplp;
- int first = 1;
-
- for (aqp = att_list->q_forw,
- dqp = def_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;
- 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((s_char *)dqp);
- continue;
- }
- if (mission_pln_equip(dplp, 0, P_F, 0) < 0) {
- emp_remque(dqp);
- free((s_char *)dqp);
- continue;
- }
- if (first) {
- first = 0;
- PR(plane_owner,"%s launches SAMs!\n", cname(def_own));
- PR(def_own, "Launching SAMs at %s planes!\n", cname(plane_owner));
- ac_combat_headers(plane_owner, def_own);
- }
- ac_dog(aplp, dplp);
- dqp = dnext;
- break;
- }
- }
- if (!first) {
- PR(plane_owner, "\n");
- PR(def_own, "\n");
+ struct emp_qelem *aqp;
+ struct emp_qelem *anext;
+ struct emp_qelem *dqp;
+ struct emp_qelem *dnext;
+ struct plist *aplp;
+ struct plist *dplp;
+ int first = 1;
+
+ for (aqp = att_list->q_forw,
+ dqp = def_list->q_forw;
+ aqp != att_list && dqp != def_list; aqp = anext) {
+ anext = aqp->q_forw;
+ aplp = (struct plist *)aqp;
+ if (aplp->pcp->pl_cost < 1000)
+ continue;
+ for (; dqp != def_list; dqp = dnext) {
+ dnext = dqp->q_forw;
+ dplp = (struct plist *)dqp;
+ if (!(dplp->pcp->pl_flags & P_M))
+ continue;
+
+ if (dplp->plane.pln_range <
+ mapdist(x, y, dplp->plane.pln_x, dplp->plane.pln_y))
+ continue;
+ if (CANT_HAPPEN(dplp->plane.pln_flags & PLN_LAUNCHED)
+ || mission_pln_equip(dplp, 0, P_F, 0) < 0) {
+ emp_remque(dqp);
+ free(dqp);
+ continue;
+ }
+ dplp->plane.pln_flags |= PLN_LAUNCHED;
+ putplane(dplp->plane.pln_uid, &dplp->plane);
+ 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));
+ ac_combat_headers(plane_owner, def_own);
+ }
+ ac_dog(aplp, dplp);
+ dqp = dnext;
+ break;
}
- 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((s_char *)dqp);
- continue;
- }
+ }
+ 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;
}
+ }
}
-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)
+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)
{
- register struct plnstr *pp;
- struct plist *plp;
- int icount;
- struct emp_qelem *next;
- struct emp_qelem *qp;
- struct emp_qelem int_list;
- int att_count;
- natid plane_owner;
- int dist;
-
- 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)))
- return;
-
- emp_initque(&int_list);
- for (qp = def_list->q_forw; qp != def_list; qp = next) {
- next = qp->q_forw;
- plp = (struct plist *) qp;
- pp = &plp->plane;
- /* SAMs interdict separately */
- if (plp->pcp->pl_flags & P_M)
- continue;
- dist = mapdist(x, y, pp->pln_x, pp->pln_y) * 2;
- if (pp->pln_range < dist)
- continue;
- if (mission_pln_equip(plp, 0, P_F, 0) < 0) {
- emp_remque(qp);
- free((s_char *)qp);
- continue;
- }
- /* got one; delete from def_list, add to int_list */
- emp_remque(qp);
- emp_insque(qp, &int_list);
- pp->pln_mobil -= pln_mobcost(dist,pp,P_F);
- putplane(pp->pln_uid, pp);
- icount++;
- if (icount > att_count)
- break;
- }
- 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!\n", icount,
- icount == 1 ? " is" : "s are", cname(plane_owner));
- ac_combat_headers(plane_owner, def_own);
- ac_airtoair(esc_list, &int_list, def_own);
- ac_airtoair(bomb_list, &int_list, def_own);
- PR(plane_owner, "\n");
- PR(def_own, "\n");
+ struct plnstr *pp;
+ struct plist *plp;
+ int icount;
+ struct emp_qelem *next;
+ struct emp_qelem *qp;
+ struct emp_qelem int_list;
+ int att_count;
+ natid plane_owner;
+ int dist;
+
+ plp = (struct plist *)bomb_list->q_forw;
+ plane_owner = plp->plane.pln_own;
+
+ 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, 0);
+
+ 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;
+ pp = &plp->plane;
+ /* SAMs interdict separately */
+ if (plp->pcp->pl_flags & P_M)
+ continue;
+ dist = mapdist(x, y, pp->pln_x, pp->pln_y) * 2;
+ if (pp->pln_range < dist)
+ continue;
+ if (CANT_HAPPEN(pp->pln_flags & PLN_LAUNCHED)
+ || mission_pln_equip(plp, 0, P_F, 0) < 0) {
+ emp_remque(qp);
+ free(qp);
+ continue;
+ }
+ /* got one; delete from def_list, add to int_list */
+ emp_remque(qp);
+ emp_insque(qp, &int_list);
+ pp->pln_flags |= PLN_LAUNCHED;
+ pp->pln_mobil -= pln_mobcost(dist, pp, P_F);
+ putplane(pp->pln_uid, pp);
+ icount++;
+ if (icount > att_count)
+ break;
+ }
+ 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));
+ 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");
+ pln_put(&int_list);
}
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));
+ 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));
}
/*
* air-to-air combat.
*/
void
-ac_airtoair(struct emp_qelem *att_list, struct emp_qelem *int_list, natid def_own)
+ac_airtoair(struct emp_qelem *att_list, struct emp_qelem *int_list)
{
- register struct plist *attacker;
- register struct plist *interceptor;
- struct emp_qelem *att;
- struct emp_qelem *in;
- int nplanes;
- int more_att;
- int more_int;
- struct emp_qelem *att_next;
- struct emp_qelem *in_next;
- natid att_own;
-
- att = att_list->q_forw;
- in = int_list->q_forw;
- more_att = 1;
- more_int = 1;
- if (QEMPTY(att_list) || QEMPTY(int_list)) {
- more_att = 0;
- more_int = 0;
- }
- while (more_att || more_int) {
- 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;
- att_own = attacker->plane.pln_own;
- def_own = interceptor->plane.pln_own;
- 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;
- if (att == att_list) {
- more_att = 0;
- if (QEMPTY(att_list))
- more_int = 0;
- else
- att = att->q_forw;
- }
- if (in == int_list) {
- more_int = 0;
- if (QEMPTY(int_list))
- more_att = 0;
- else
- in = in->q_forw;
- }
- }
-}
-
-int
-all_missiles(struct emp_qelem *att_list)
-{
- 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;
+ 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;
+ struct emp_qelem *in_next;
+
+ att = att_list->q_forw;
+ in = int_list->q_forw;
+ more_att = 1;
+ more_int = 1;
+ if (QEMPTY(att_list) || QEMPTY(int_list)) {
+ more_att = 0;
+ more_int = 0;
+ }
+ while (more_att || more_int) {
+ in_next = in->q_forw;
+ att_next = att->q_forw;
+ attacker = (struct plist *)att;
+ 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;
+ if (att == att_list) {
+ more_att = 0;
+ if (QEMPTY(att_list))
+ more_int = 0;
+ else
+ att = att->q_forw;
+ }
+ if (in == int_list) {
+ more_int = 0;
+ if (QEMPTY(int_list))
+ more_att = 0;
+ else
+ in = in->q_forw;
+ }
+ }
}
static void
-ac_dog(register struct plist *ap, register struct plist *dp)
+ac_dog(struct plist *ap, struct plist *dp)
{
- int att, def;
- double odds;
- int intensity;
- natid att_own, def_own;
- int adam, ddam;
- s_char mesg[1024];
- s_char temp[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,
+ int att, def;
+ double odds;
+ int intensity;
+ natid att_own, def_own;
+ int adam, ddam;
+ char mesg[1024];
+ char temp[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);
- 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);
- if (ap->plane.pln_att == 0){
- att = ap->plane.pln_def * ap->plane.pln_effic / 100;
- att = MAX(att,ap->pcp->pl_def/2);
- }else{
- att = ap->plane.pln_att * ap->plane.pln_effic / 100;
- att = MAX(att,ap->pcp->pl_att/2);
- }
-
- def = dp->plane.pln_def * dp->plane.pln_effic / 100;
- def = MAX(def,dp->pcp->pl_def/2);
-
- if ((ap->pcp->pl_flags & P_F) && ap->bombs != 0)
- att -= 2;
- if ((dp->pcp->pl_flags & P_F) && dp->bombs != 0)
- def -= 2;
- att += ((float)ap->pcp->pl_stealth/25.0);
- def += ((float)dp->pcp->pl_stealth/25.0);
- if (att < 1) {
- def += 1 - att;
- att = 1;
- }
- if (def < 1) {
- att += 1 - def;
- def = 1;
+ 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);
+ att = att * ap->plane.pln_effic / 100;
+ att = MAX(att, ap->pcp->pl_def / 2);
+
+ 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)
+ att -= 2;
+ if ((dp->pcp->pl_flags & P_F) && dp->bombs != 0)
+ def -= 2;
+ att += ap->pcp->pl_stealth / 25.0;
+ def += dp->pcp->pl_stealth / 25.0;
+ if (att < 1) {
+ def += 1 - att;
+ att = 1;
+ }
+ if (def < 1) {
+ att += 1 - def;
+ def = 1;
+ }
+ odds = ((double)att / ((double)def + (double)att));
+ if (odds <= 0.05)
+ 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) {
+
+ if (chance(odds)) {
+ ddam += 1;
+ if ((dp->plane.pln_effic - ddam) < PLANE_MINEFF)
+ intensity = 0;
+ } else {
+ adam += 1;
+ if ((ap->plane.pln_effic - adam) < PLANE_MINEFF)
+ intensity = 0;
}
- odds = ((double)att/((double)def+(double)att));
- if (odds <= 0.05)
- 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){
-
- if (chance(odds)) {
- ddam += 1;
- if ((dp->plane.pln_effic-ddam) < PLANE_MINEFF)
- intensity=0;
- } else {
- adam += 1;
- if ((ap->plane.pln_effic-adam) < PLANE_MINEFF)
- intensity=0;
- }
- }
-
- 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, dp->plane.pln_own,
- adam, def_own, 1, 0, mesg);
- strncpy(temp,mesg,14);
- ac_planedamage(dp, ap->plane.pln_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);
+ }
+
+ 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);
+
+ if (opt_HIDDEN) {
+ setcont(att_own, def_own, FOUND_FLY);
+ setcont(def_own, att_own, FOUND_FLY);
+ }
}
/*
* that the current queue pointer is invalid on return from the ac_planedamage
* call. (this has caused bugs in the past)
*/
-void
-ac_planedamage(struct plist *plp, natid from, int dam, natid other, int checkabort, int show, s_char *mesg)
+static void
+ac_planedamage(struct plist *plp, natid from, int dam, natid other,
+ int checkabort, int show, char *mesg)
{
- register struct plnstr *pp;
- int disp;
- s_char dmess[255];
- int eff;
- struct shpstr ship;
- struct lndstr land;
- /* s_char *sprintf(); already in misc.h [JFW] */
- natid plane_owner;
-
- disp = 0;
- pp = &plp->plane;
- plane_owner = pp->pln_own;
- eff = pp->pln_effic;
- sprintf(dmess," no damage");
- if (dam <= 0) {
- strcpy(mesg, dmess);
- return;
- }
- bzero(dmess,255);
- eff -= dam;
- if (eff < 0)
- eff = 0;
- if (eff < PLANE_MINEFF) {
- sprintf(dmess," shot down");
- disp = 1;
- } else if (eff < 80 && chance((100-eff)/100.0) && checkabort){
- sprintf(dmess," 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");
+ struct plnstr *pp;
+ int disp;
+ char dmess[255];
+ int eff;
+ natid plane_owner;
+
+ disp = 0;
+ pp = &plp->plane;
+ plane_owner = pp->pln_own;
+ eff = pp->pln_effic;
+ sprintf(dmess, " no damage");
+ if (dam <= 0) {
+ strcpy(mesg, dmess);
+ return;
+ }
+ memset(dmess, 0, sizeof(dmess));
+ eff -= dam;
+ if (eff < 0)
+ eff = 0;
+ if (eff < PLANE_MINEFF) {
+ sprintf(dmess, " shot down");
+ disp = 1;
+ } else if (eff < 80 && chance((80 - eff) / 100.0) && checkabort) {
+ sprintf(dmess, " 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,"\n");
- }
-
- pp->pln_effic = eff;
- pp->pln_mobil -= min(32 + pp->pln_mobil, dam/2);
- if (disp == 1) {
- if (from != 0 && (plp->pcp->pl_flags & P_M) == 0)
- nreport(from, N_DOWN_PLANE, pp->pln_own, 1);
- if (pp->pln_ship >= 0) {
- getship(pp->pln_ship,&ship);
- take_plane_off_ship(pp,&ship);
- }
- if (pp->pln_land >= 0) {
- getland(pp->pln_land,&land);
- take_plane_off_land(pp,&land);
- }
- makelost(EF_PLANE, pp->pln_own, pp->pln_uid, pp->pln_x, pp->pln_y);
- pp->pln_own = 0;
- putplane(pp->pln_uid, pp);
- emp_remque(&plp->queue);
- free((s_char *)plp);
- } else if (disp == 2) {
- putplane(pp->pln_uid, pp);
- emp_remque(&plp->queue);
- free((s_char *)plp);
- } else
- putplane(pp->pln_uid, pp);
- strcpy(mesg, dmess);
+ 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");
+ }
+
+ 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);
}
-void
+static void
ac_doflak(struct emp_qelem *list, struct sctstr *from)
{
- int shell, add;
- int gun;
- natid plane_owner;
- struct plist *plp;
-
- plp = (struct plist *)list->q_forw;
- plane_owner = plp->plane.pln_own;
-
- gun = getvar(V_GUN, (s_char *)from, EF_SECTOR);
- shell = getvar(V_SHELL, (s_char *)from, EF_SECTOR);
- add = 0;
- if (shell < (gun/2))
- add = supply_commod(from->sct_own,from->sct_x,from->sct_y,
- I_SHELL,ldround(((double)gun/2.0),1)-shell);
- shell += add;
- if (gun == 0 || shell == 0)
- return;
- if (gun > shell*2)
- gun = shell*2;
- if (gun > 14)
- gun = 14;
-
- putvar(V_SHELL, shell, (s_char *)from, EF_SECTOR);
+ int shell;
+ int gun;
+ natid plane_owner;
+ struct plist *plp;
+
+ plp = (struct plist *)list->q_forw;
+ 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);
- gun = 2.0 * tfact(from->sct_own, (double) 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));
- ac_fireflak(list, from->sct_own, 0, gun);
- }
+ }
+ 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));
+ ac_fireflak(list, from->sct_own, gun);
+ }
}
-void
+static void
ac_shipflak(struct emp_qelem *list, coord x, coord y)
{
- struct nstr_item ni;
- struct shpstr ship;
- struct mchrstr *mcp;
- int firing;
- int guns;
- int gun;
- int shell;
- 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;
-
- bzero((s_char *)nats, sizeof(nats));
- guns = 0;
- snxtitem_xy(&ni, EF_SHIP, x, y);
- while (!QEMPTY(list) && nxtitem(&ni, (s_char *)&ship)) {
- if (ship.shp_own == 0 || ship.shp_own == plane_owner)
- continue;
- if (guns >= 14)
- break;
- mcp = &mchr[(int)ship.shp_type];
- if (mcp->m_flags & M_SUB)
- continue;
- rel = getrel(getnatp(ship.shp_own), plane_owner);
- if (rel > HOSTILE)
- continue;
- shell = gun = 0;
- gun = min(getvar(V_GUN, (s_char *)&ship, EF_SHIP), ship.shp_glim);
- if (gun) {
- shell = getvar(V_SHELL, (s_char *)&ship, EF_SHIP);
- if (shell <= 0)
- shell = supply_commod(ship.shp_own, ship.shp_x,
- ship.shp_y, I_SHELL, 1);
- }
- if (gun == 0 || shell == 0)
- continue;
- firing = (int) (techfact(ship.shp_tech, (double)gun) * 2.0);
- guns += firing;
-
- 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 %d flak guns from %s...\n",
- firing, prship(&ship));
- putvar(V_SHELL, shell, (s_char *)&ship, EF_SHIP);
- putship(ship.shp_uid, &ship);
- from = ship.shp_own;
- }
- if (guns > 0) {
- if (guns > 14)
- guns = 14;
- guns = 2.0 * tfact(from, (double)guns);
- PR(plane_owner, "Flak! Ships firing %d flak guns...\n", guns);
- ac_fireflak(list, from, 0, guns);
+ struct nstr_item ni;
+ struct shpstr ship;
+ struct mchrstr *mcp;
+ double flak, total, ngun;
+ int gun, shell;
+ 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_SHIP, x, y);
+ while (!QEMPTY(list) && nxtitem(&ni, &ship)) {
+ if (ship.shp_own == 0 || ship.shp_own == plane_owner)
+ continue;
+ mcp = &mchr[(int)ship.shp_type];
+ if (mcp->m_flags & M_SUB)
+ continue;
+ rel = getrel(getnatp(ship.shp_own), plane_owner);
+ if (rel > 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)
+ 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));
+ from = ship.shp_own;
+ }
+
+ /* Limit to FLAK_GUN_MAX guns of average tech factor */
+ if (ngun > FLAK_GUN_MAX)
+ total *= FLAK_GUN_MAX / ngun;
+
+ gun = roundavg(total);
+ if (gun > 0) {
+ PR(plane_owner, "Flak! Ships firing %d flak guns...\n", gun);
+ ac_fireflak(list, from, gun);
+ }
}
-void
+static void
ac_landflak(struct emp_qelem *list, coord x, coord y)
{
- struct nstr_item ni;
- struct lndstr land;
- struct lchrstr *lcp;
- int firing;
- int guns;
- int rel;
- natid from;
- struct plist *plp;
- natid plane_owner;
- int nats[MAXNOC];
-
- plp = (struct plist *)list->q_forw;
- plane_owner = plp->plane.pln_own;
-
- bzero((s_char *)nats, sizeof(nats));
- guns = 0;
- snxtitem_xy(&ni, EF_LAND, x, y);
- while (!QEMPTY(list) && nxtitem(&ni, (s_char *)&land)) {
- if (land.lnd_own == 0 || land.lnd_own == plane_owner)
- continue;
- if (guns >= 14)
- break;
- lcp = &lchr[(int)land.lnd_type];
-
- if ((lcp->l_flags & L_FLAK) == 0)
- continue;
-
- if (land.lnd_aaf == 0)
- continue;
-
- rel = getrel(getnatp(land.lnd_own), plane_owner);
- if (rel > HOSTILE)
- continue;
- firing = (int)(techfact(land.lnd_tech, (double)land.lnd_aaf) * 3.0);
- guns += firing;
-
- 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), land.lnd_aaf);
-
- from = land.lnd_own; /* We always use the last owner as the from */
- }
- if (guns > 0) {
- if (guns > 14)
- guns = 14;
- guns = 2.0 * tfact(from, (double)guns);
- PR(plane_owner, "Flak! Land units firing %d flak guns...\n", guns);
- ac_fireflak(list, from, 0, guns);
- }
+ struct nstr_item ni;
+ struct lndstr land;
+ 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)) {
+ if (land.lnd_own == 0 || land.lnd_own == plane_owner)
+ continue;
+ lcp = &lchr[(int)land.lnd_type];
+ aaf = lnd_aaf(&land);
+ if ((lcp->l_flags & L_FLAK) == 0 || aaf == 0)
+ continue;
+ if (land.lnd_ship >= 0 || land.lnd_land >= 0)
+ continue;
+ rel = getrel(getnatp(land.lnd_own), plane_owner);
+ if (rel > 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);
+ from = land.lnd_own;
+ }
+
+ /* Limit to FLAK_GUN_MAX guns of average tech factor */
+ if (ngun > FLAK_GUN_MAX)
+ total *= FLAK_GUN_MAX / ngun;
+
+ gun = roundavg(total);
+ if (gun > 0) {
+ PR(plane_owner, "Flak! Land units firing %d flak guns...\n", gun);
+ ac_fireflak(list, from, gun);
+ }
}
/*
* Called from shipflak, landflak, and doflak.
*/
-void
-ac_fireflak(struct emp_qelem *list, natid from, natid other, int guns)
+static void
+ac_fireflak(struct emp_qelem *list, natid from, int guns)
{
- extern double flakscale;
- register struct plnstr *pp;
- struct plist *plp;
- int n;
- float mult;
- int diff;
- struct emp_qelem *qp;
- struct emp_qelem *next;
- s_char msg[255];
-
- plp = (struct plist *)list->q_forw;
-
- for (qp = list->q_forw; qp != list; qp = next) {
- /*
- * fighters don't get shot at by flak
- * non-tactical bombers are harder to hit with flak.
- * ('Cause they're not dive-bombing?)
- */
- next = qp->q_forw;
- plp = (struct plist *) qp;
- pp = &plp->plane;
- diff = guns - pp->pln_def;
- if ((plp->pcp->pl_flags & P_T) == 0)
- diff--;
- if (plp->pcp->pl_flags & P_X)
- diff -= 2;
- if (plp->pcp->pl_flags & P_H)
- diff -= 1;
- if (diff > 8)
- mult = flaktable[FLAK_MAX] * 1.33;
- else if (diff < -7)
- mult = flaktable[0] * 0.66;
- else {
- diff += 7;
- mult = flaktable[diff];
- }
- mult *= flakscale;
- n = (int) ((roll(8) + 2) * mult);
- if (n > 100)
- n = 100;
- ac_planedamage(plp, from, n, other, 2, 1, msg);
- }
+ struct plist *plp;
+ int n;
+ struct emp_qelem *qp;
+ struct emp_qelem *next;
+ char msg[255];
+
+ plp = (struct plist *)list->q_forw;
+
+ 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);
+ }
}
/*
- * See if this plane is flying in this list
+ * Calculate flak damage
*/
int
-ac_isflying(struct plnstr *plane, struct emp_qelem *list)
+ac_flak_dam(int guns, int def, int pl_flags)
{
- struct emp_qelem *qp;
- struct emp_qelem *next;
- struct plnstr *pp;
- struct plist *plp;
-
- if (!list)
- return 0;
- for (qp = list->q_forw; qp != list; qp = next) {
- next = qp->q_forw;
- plp = (struct plist *) qp;
- pp = &plp->plane;
- if (plane->pln_uid == pp->pln_uid)
- return 1;
- }
- return 0;
+ int flak, dam;
+ float mult;
+ /* <-7 -7 -6 -5 -4 */
+ static float flaktable[18] = { 0.132f, 0.20f, 0.20f, 0.25f, 0.30f,
+ /* -3 -2 -1 0 +1 +2 +3 +4 */
+ 0.35f, 0.40f, 0.45f, 0.50f, 0.50f, 0.55f, 0.60f, 0.65f,
+ /* +5 +6 +7 +8 >+8 */
+ 0.70f,0.75f, 0.80f, 0.85f, 1.1305f };
+ enum { FLAK_MAX = sizeof(flaktable)/sizeof(flaktable[0]) - 1 };
+
+ 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];
+ else if (flak < -7)
+ mult = flaktable[0];
+ else {
+ flak += 8;
+ mult = flaktable[flak];
+ }
+ mult *= flakscale;
+ dam = (int)((roll(8) + 2) * mult);
+ if (dam > 100)
+ dam = 100;
+ return dam;
}
-
/*
* Get a list of planes available for interception duties.
*/
static void
-getilist(struct emp_qelem *list, natid own, struct emp_qelem *a, struct emp_qelem *b, struct emp_qelem *c, struct emp_qelem *d)
-{
- register struct plchrstr *pcp;
- struct plnstr plane;
- struct shpstr ship;
- struct lndstr land;
- struct sctstr sect;
- struct nstr_item ni;
- int type;
- s_char *ptr;
- struct plist *ip;
-
- emp_initque(list);
- snxtitem_all(&ni, EF_PLANE);
- while (nxtitem(&ni, (s_char *)&plane)) {
- if (plane.pln_own != own)
- continue;
- pcp = &plchr[(int)plane.pln_type];
- if ((pcp->pl_flags & P_F) == 0)
- continue;
- if (plane.pln_mission != 0)
- continue;
- if (plane.pln_mobil <= 0)
- continue;
- if (plane.pln_effic < 40)
- continue;
- if (plane.pln_ship >= 0) {
- if (!can_fly(plane.pln_uid))
- continue;
- getship(plane.pln_ship,&ship);
- ptr = (s_char *)&ship;
- type = EF_SHIP;
- } else
- if (plane.pln_land >= 0) {
- if (!can_fly(plane.pln_uid))
- continue;
- getland(plane.pln_land,&land);
- ptr = (s_char *)&land;
- type = EF_LAND;
- } else {
- getsect(plane.pln_x, plane.pln_y, §);
- ptr = (s_char *)§
- type = EF_SECTOR;
-#if 0
- if (sect.sct_effic < 60 && (pcp->pl_flags & P_V) == 0)
- continue;
-#else
- if ((sect.sct_effic < 60 || sect.sct_type != SCT_AIRPT)
- && (pcp->pl_flags & P_V) == 0)
- continue;
-#endif
- }
- if (((float)getvar(V_PETROL, ptr, type)) <
- (((float)pcp->pl_fuel)/2.0))
- continue;
- /* Finally, is it in the list of planes already in
- flight? */
- if (ac_isflying(&plane, a))
- continue;
- if (ac_isflying(&plane, b))
- continue;
- if (ac_isflying(&plane, c))
- continue;
- if (ac_isflying(&plane, d))
- continue;
- /* got one! */
- ip = (struct plist *) malloc(sizeof(*ip));
- ip->state = P_OK;
- ip->bombs = 0;
- ip->misc = 0;
- ip->pcp = &plchr[(int)plane.pln_type];
- bcopy((s_char *)&plane, (s_char *)&ip->plane, sizeof(plane));
- emp_insque(&ip->queue, list);
- }
-}
-
-
-
-int
-can_fly(int p) /* Can this plane fly from the ship or land unit it is on? */
-
+getilist(struct emp_qelem *list, natid own)
{
- struct plnstr plane;
- struct shpstr ship;
- struct lndstr land;
- struct plchrstr *pcp;
- struct mchrstr *scp;
- struct lchrstr *lcp;
-
- getplane(p,&plane);
- pcp = &plchr[(int)plane.pln_type];
-
- if (plane.pln_ship >= 0){
- if (
- !(pcp->pl_flags & P_L) && !(pcp->pl_flags & P_M)
- && !(pcp->pl_flags & P_K)
- && !(pcp->pl_flags & P_E)
- )
- return 0;
-
- getship(plane.pln_ship,&ship);
- scp = & mchr[(int)ship.shp_type];
-
- if ((pcp->pl_flags & P_L) && (scp->m_flags & M_FLY)){
- return 1;
- }
-
- if ((pcp->pl_flags & P_M) && (scp->m_flags & M_MSL)){
- return 1;
- }
-
- if ((pcp->pl_flags & P_K) && (scp->m_flags & M_CHOPPER)){
- return 1;
- }
-
- if ((pcp->pl_flags & P_E) && (scp->m_flags & M_XLIGHT)){
- return 1;
- }
- }
-
- if (plane.pln_land >= 0){
- if (!(pcp->pl_flags & P_E))
- return 0;
-
- getland(plane.pln_land,&land);
- lcp = & lchr[(int)land.lnd_type];
-
- if ((pcp->pl_flags & P_E) && (lcp->l_flags & L_XLIGHT)){
- return 1;
- }
- }
-
- return 0;
+ struct plchrstr *pcp;
+ struct plnstr plane;
+ struct nstr_item ni;
+ struct plist *ip;
+
+ emp_initque(list);
+ snxtitem_all(&ni, EF_PLANE);
+ while (nxtitem(&ni, &plane)) {
+ if (plane.pln_own != own)
+ 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)
+ continue;
+ if (plane.pln_mobil <= 0)
+ continue;
+ if (plane.pln_effic < 40)
+ continue;
+ if (!pln_airbase_ok(&plane, 0, 0))
+ continue;
+ /* got one! */
+ ip = malloc(sizeof(*ip));
+ ip->bombs = 0;
+ ip->misc = 0;
+ ip->pcp = &plchr[(int)plane.pln_type];
+ ip->plane = plane;
+ emp_insque(&ip->queue, list);
+ }
}
-int
+static int
do_evade(struct emp_qelem *bomb_list, struct emp_qelem *esc_list)
{
- struct emp_qelem *qp;
- double evade;
- struct plist *plp;
-
- evade=100.0;
- for (qp = bomb_list->q_forw; qp != bomb_list; qp = qp->q_forw){
- plp = (struct plist *) qp;
- if (evade > ((float)plp->pcp->pl_stealth/100.0))
- evade = (plp->pcp->pl_stealth/100.0);
- }
- for (qp = esc_list->q_forw; qp != esc_list; qp = qp->q_forw){
- plp = (struct plist *) qp;
- if (evade > plp->pcp->pl_stealth/100.0)
- evade = (plp->pcp->pl_stealth/100.0);
- }
-
- if (chance(evade))
- return 1;
-
- return 0;
+ struct emp_qelem *qp;
+ double evade;
+ struct plist *plp;
+
+ evade = 100.0;
+ for (qp = bomb_list->q_forw; qp != bomb_list; qp = qp->q_forw) {
+ plp = (struct plist *)qp;
+ if (evade > plp->pcp->pl_stealth / 100.0)
+ evade = plp->pcp->pl_stealth / 100.0;
+ }
+ for (qp = esc_list->q_forw; qp != esc_list; qp = qp->q_forw) {
+ plp = (struct plist *)qp;
+ if (evade > plp->pcp->pl_stealth / 100.0)
+ evade = plp->pcp->pl_stealth / 100.0;
+ }
+
+ if (chance(evade))
+ return 1;
+
+ return 0;
}
projects / empserver / blobdiff