/*
* Empire - A multi-player, client/server Internet based war game.
- * Copyright (C) 1986-2000, Dave Pare, Jeff Bailey, Thomas Ruschak,
+ * Copyright (C) 1986-2006, 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.
*
* ---
*
*
* Known contributors to this file:
* Steve McClure, 2000
- *
*/
+#include <config.h>
+
+#include <string.h>
#include "misc.h"
#include "player.h"
#include "nat.h"
-#include "var.h"
#include "retreat.h"
#include "ship.h"
#include "land.h"
#include "xy.h"
#include "nsc.h"
#include "path.h"
-#include "deity.h"
#include "file.h"
-#include "options.h"
#include "damage.h"
#include "prototypes.h"
#include "optlist.h"
-struct ccode{
- s_char code;
- s_char *desc[2];
-} conditions[] = {
- { 'i', {
- "retreated with a damaged friend",
- "was damaged",
- }, },
- { 't', {
- "retreated with a torpedoed ship",
- "was hit by a torpedo",
- }, },
- { 's', {
- "retreated with a ship scared by sonar",
- "detected a sonar ping",
- }, },
- { 'h', {
- "retreated with a helpless ship",
- "was fired upon with no one able to defend it",
- }, },
- { 'b', {
- "retreated with a bombed friend",
- "was bombed",
- }, },
- { 'd', {
- "retreated with a depth-charged ship",
- "was depth-charged",
- }, },
- { 'u', {
- "retreated with a boared ship",
- "was boarded",
- }, },
- { 0, {"",""} },
+static int findcondition(char);
+static int retreat_land1(struct lndstr *, char, int);
+static int retreat_ship1(struct shpstr *, char, int);
+
+struct ccode {
+ char code;
+ char *desc[2];
+};
+
+static struct ccode conditions[] = {
+ { 'i', { "retreated with a damaged friend",
+ "was damaged" } },
+ { 't', { "retreated with a torpedoed ship",
+ "was hit by a torpedo" } },
+ { 's', { "retreated with a ship scared by sonar",
+ "detected a sonar ping" } },
+ { 'h', { "retreated with a helpless ship",
+ "was fired upon with no one able to defend it" } },
+ { 'b', { "retreated with a bombed friend",
+ "was bombed" } },
+ { 'd', { "retreated with a depth-charged ship",
+ "was depth-charged" } },
+ { 'u', { "retreated with a boarded ship", "was boarded" } },
+ { 0, { "panicked", "panicked"} }
};
int
check_retreat_and_do_shipdamage(struct shpstr *sp, int dam)
{
- if (dam <=0)
- return 0;
+ if (dam <= 0)
+ return 0;
- shipdamage(sp,dam);
- if (sp->shp_rflags & RET_INJURED)
- retreat_ship(sp, 'i');
+ shipdamage(sp, dam);
+ if (sp->shp_rflags & RET_INJURED)
+ retreat_ship(sp, 'i');
- return 1;
+ return 1;
}
void
-retreat_ship(struct shpstr *sp, s_char code)
+retreat_ship(struct shpstr *sp, char code)
{
- struct nstr_item ni;
- struct shpstr ship;
- s_char buf[2];
-
- if (sp->shp_rflags & RET_GROUP){
- bzero(buf,2);
- buf[0] = sp->shp_fleet;
- snxtitem(&ni, EF_SHIP, buf);
- while(nxtitem(&ni,(s_char *)&ship))
- if ((ship.shp_fleet == buf[0]) &&
- (ship.shp_own == sp->shp_own)) {
- if (ship.shp_uid == sp->shp_uid){
- retreat_ship1(sp,code,1);
- if (sp->shp_rpath[0] == 0)
- sp->shp_rflags = 0;
- } else {
- retreat_ship1(&ship,code,0);
- getship(ship.shp_uid,&ship);
- if (ship.shp_rpath[0] == 0){
- ship.shp_rflags = 0;
- putship(ship.shp_uid,&ship);
- }
- }
- }
- } else {
- retreat_ship1(sp,code,1);
- if (sp->shp_rpath[0] == 0)
+ struct nstr_item ni;
+ struct shpstr ship;
+
+ if (sp->shp_rflags & RET_GROUP) {
+ snxtitem_group(&ni, EF_SHIP, sp->shp_fleet);
+ while (nxtitem(&ni, &ship))
+ if (ship.shp_own == sp->shp_own) {
+ if (ship.shp_uid == sp->shp_uid) {
+ retreat_ship1(sp, code, 1);
+ if (sp->shp_rpath[0] == 0)
sp->shp_rflags = 0;
- }
+ } else {
+ retreat_ship1(&ship, code, 0);
+ getship(ship.shp_uid, &ship);
+ if (ship.shp_rpath[0] == 0) {
+ ship.shp_rflags = 0;
+ putship(ship.shp_uid, &ship);
+ }
+ }
+ }
+ } else {
+ retreat_ship1(sp, code, 1);
+ if (sp->shp_rpath[0] == 0)
+ sp->shp_rflags = 0;
+ }
}
-int
-retreat_ship1(struct shpstr *sp, s_char code, int orig)
-
-
- /* Is this the originally scared ship, or a follower */
+static int
+retreat_ship1(struct shpstr *sp, char code, int orig)
+
+
+ /* Is this the originally scared ship, or a follower */
{
- extern double techfact(int, double);
- struct sctstr sect;
- register int n;
- register int m;
- int max;
- int dir;
- coord newx;
- coord newy;
- coord dx;
- coord dy;
- int stopping;
- int mines;
- int shells;
- double mobcost;
- struct mchrstr *mcp;
- int vec[I_MAX+1];
- int time_to_stop;
- s_char buf[RET_LEN-1];
-
- sp->shp_mission = 0;
- if (sp->shp_own == 0)
- return 0;
-
- if (isupper(code))
- code = tolower(code);
-
- n = 0;
- if (sp->shp_effic < SHIP_MINEFF){
- wu(0, sp->shp_own, "%s %s,\nbut it died in the attack, and so couldn't retreat!\n", prship(sp),
- conditions[findcondition(code)].desc[orig]);
- if (!orig) putship(sp->shp_uid,sp);
- return 0;
+ struct sctstr sect;
+ int n;
+ int m;
+ int max;
+ int dir;
+ coord newx;
+ coord newy;
+ coord dx;
+ coord dy;
+ int stopping;
+ int mines;
+ int shells;
+ double mobcost;
+ struct mchrstr *mcp;
+ int changed;
+
+ sp->shp_mission = 0;
+ if (sp->shp_own == 0)
+ return 0;
+
+ n = 0;
+ if (sp->shp_effic < SHIP_MINEFF) {
+ wu(0, sp->shp_own,
+ "%s %s,\nbut it died in the attack, and so couldn't retreat!\n",
+ prship(sp), conditions[findcondition(code)].desc[orig]);
+ if (!orig)
+ putship(sp->shp_uid, sp);
+ return 0;
+ }
+
+ if (opt_SAIL) {
+ /* can't retreat a ship that's sailin, bad things happend */
+ if (*sp->shp_path) {
+ wu(0, sp->shp_own,
+ "%s %s,\nbut had sailing orders, and couldn't retreat!\n",
+ prship(sp), conditions[findcondition(code)].desc[orig]);
+ if (!orig)
+ putship(sp->shp_uid, sp);
+ return 0;
}
-
- if (opt_SAIL) {
- /* can't retreat a ship that's sailin, bad things happend */
- if (*sp->shp_path){
- wu(0, sp->shp_own, "%s %s,\nbut had sailing orders, and couldn't retreat!\n", prship(sp),
- conditions[findcondition(code)].desc[orig]);
- if (!orig) putship(sp->shp_uid,sp);
- return 0;
- }
+ }
+ /* check crew - uws don't count */
+ if (sp->shp_item[I_MILIT] == 0 && sp->shp_item[I_CIVIL] == 0) {
+ wu(0, sp->shp_own,
+ "%s %s,\nbut had no crew, and couldn't retreat!\n", prship(sp),
+ conditions[findcondition(code)].desc[orig]);
+ if (!orig)
+ putship(sp->shp_uid, sp);
+ return 0;
+ }
+
+ getsect(sp->shp_x, sp->shp_y, §);
+ switch (shp_check_nav(§, sp)) {
+ case CN_CONSTRUCTION:
+ wu(0, sp->shp_own,
+ "%s %s,\nbut was caught in a construction zone, and couldn't retreat!\n",
+ prship(sp), conditions[findcondition(code)].desc[orig]);
+ if (!orig)
+ putship(sp->shp_uid, sp);
+ return 0;
+ case CN_LANDLOCKED:
+ wu(0, sp->shp_own,
+ "%s %s,\nbut was landlocked, and couldn't retreat!\n",
+ prship(sp), conditions[findcondition(code)].desc[orig]);
+ if (!orig)
+ putship(sp->shp_uid, sp);
+ return 0;
+ /*NOTREACHED*/
+ case CN_NAVIGABLE:
+ break;
+ case CN_ERROR:
+ default:
+ wu(0, sp->shp_own,
+ "%s %s,\nbut was subject to an empire error, and couldn't retreat!\n",
+ prship(sp), conditions[findcondition(code)].desc[orig]);
+ if (!orig)
+ putship(sp->shp_uid, sp);
+ return 0;
+ /*NOTREACHED*/
+ }
+
+ if (sp->shp_mobil <= 0.0) {
+ wu(0, sp->shp_own,
+ "%s %s,\nbut had no mobility, and couldn't retreat!\n",
+ prship(sp), conditions[findcondition(code)].desc[orig]);
+ if (!orig)
+ putship(sp->shp_uid, sp);
+ return 0;
+ }
+
+ n = (-1 * MAX_RETREAT);
+ stopping = 0;
+ while (!stopping && n) {
+ dx = dy = 0;
+ if (sp->shp_rpath[0] == 0) {
+ stopping = 1;
+ continue;
}
- /* check crew - uws don't count */
- getvec(VT_ITEM, vec, (s_char *)sp, EF_SHIP);
- if (vec[I_MILIT] == 0 && vec[I_CIVIL] == 0){
- wu(0, sp->shp_own, "%s %s,\nbut had no crew, and couldn't retreat!\n", prship(sp),
- conditions[findcondition(code)].desc[orig]);
- if (!orig) putship(sp->shp_uid,sp);
- return 0;
+ if (sp->shp_mobil <= 0.0) {
+ wu(0, sp->shp_own,
+ "%s %s,\nbut ran out of mobility, and couldn't retreat fully!\n",
+ prship(sp), conditions[findcondition(code)].desc[orig]);
+ if (!orig)
+ putship(sp->shp_uid, sp);
+ return 0;
}
-
- getsect(sp->shp_x,sp->shp_y,§);
- switch (check_nav(§)) {
- case CN_CONSTRUCTION:
- wu(0, sp->shp_own, "%s %s,\nbut was caught in a construction zone, and couldn't retreat!\n", prship(sp),
- conditions[findcondition(code)].desc[orig]);
- if (!orig) putship(sp->shp_uid,sp);
- return 0;
- case CN_LANDLOCKED:
- wu(0, sp->shp_own, "%s %s,\nbut was landlocked, and couldn't retreat!\n", prship(sp),
- conditions[findcondition(code)].desc[orig]);
- if (!orig) putship(sp->shp_uid,sp);
- return 0;
- /*NOTREACHED*/
- case CN_NAVIGABLE:
- break;
- case CN_ERROR:
- default:
- wu(0, sp->shp_own, "%s %s,\nbut was subject to an empire error, and couldn't retreat!\n", prship(sp),
- conditions[findcondition(code)].desc[orig]);
- if (!orig) putship(sp->shp_uid,sp);
- return 0;
- /*NOTREACHED*/
+ dir = chkdir(sp->shp_rpath[0], DIR_STOP, DIR_LAST);
+ memmove(sp->shp_rpath, sp->shp_rpath+1, sizeof(sp->shp_rpath) - 1);
+ if (dir < 0)
+ continue;
+ if (dir == DIR_STOP)
+ stopping++;
+ else {
+ dx = diroff[dir][0];
+ dy = diroff[dir][1];
}
-
- if (sp->shp_mobil <= 0.0) {
- wu(0, sp->shp_own, "%s %s,\nbut had no mobility, and couldn't retreat!\n", prship(sp),
- conditions[findcondition(code)].desc[orig]);
- if (!orig) putship(sp->shp_uid,sp);
- return 0;
+ n++;
+
+ mcp = &mchr[(int)sp->shp_type];
+ newx = xnorm(sp->shp_x + dx);
+ newy = ynorm(sp->shp_y + dy);
+ mobcost = shp_mobcost(sp);
+
+ getsect(newx, newy, §);
+ if (shp_check_nav(§, sp) != CN_NAVIGABLE ||
+ (sect.sct_own && sect.sct_own != sp->shp_own &&
+ getrel(getnatp(sect.sct_own), sp->shp_own) < FRIENDLY)) {
+ wu(0, sp->shp_own, "%s %s,\nbut could not retreat to %s!\n",
+ prship(sp), conditions[findcondition(code)].desc[orig],
+ xyas(newx, newy, sp->shp_own));
+ if (!orig)
+ putship(sp->shp_uid, sp);
+ return 0;
}
-
- n=(-1*MAX_RETREAT);
- stopping = 0;
- time_to_stop = 0;
- while ((!stopping) && n){
- dx = dy = 0;
- if (sp->shp_rpath[0] == 0 || sp->shp_rpath[0] == 0){
- stopping=1;
- continue;
- }
- if (sp->shp_mobil <= 0.0) {
- wu(0, sp->shp_own, "%s %s,\nbut ran out of mobility, and couldn't retreat fully!\n", prship(sp),
- conditions[findcondition(code)].desc[orig]);
- if (!orig) putship(sp->shp_uid,sp);
- return 0;
- }
- dir = chkdir(sp->shp_rpath[0], DIR_STOP, DIR_VIEW);
- bzero(buf,RET_LEN-1);
- bcopy(&sp->shp_rpath[1],buf,RET_LEN-1);
- bzero(sp->shp_rpath,RET_LEN);
- bcopy(buf,sp->shp_rpath,RET_LEN-1);
- if (dir == -1)
- continue;
- if (dir == DIR_STOP)
- stopping++;
- else {
- dx = diroff[dir][0];
- dy = diroff[dir][1];
+ sp->shp_x = newx;
+ sp->shp_y = newy;
+ sp->shp_mobil -= mobcost;
+ if (stopping)
+ continue;
+
+ mines = sect.sct_mines;
+ changed = 0;
+ if ((mcp->m_flags & M_SWEEP) && sect.sct_type == SCT_WATER) {
+ sp->shp_mobil -= mobcost;
+ max = mcp->m_item[I_SHELL];
+ shells = sp->shp_item[I_SHELL];
+ for (m = 0; mines > 0 && m < 5; m++) {
+ if (chance(0.66)) {
+ mines--;
+ shells = MIN(max, shells + 1);
+ changed |= map_set(sp->shp_own, sp->shp_x, sp->shp_y,
+ 'X', 0);
}
- n++;
-
- mcp = &mchr[(int)sp->shp_type];
- newx = xnorm(sp->shp_x + dx);
- newy = ynorm(sp->shp_y + dy);
- mobcost = sp->shp_effic * 0.01 * sp->shp_speed;
- mobcost = 480.0 / (mobcost + techfact(sp->shp_tech, mobcost));
-
- getsect(newx, newy, §);
- if (check_nav(§) != CN_NAVIGABLE ||
- (sect.sct_own && !player->owner &&
- getrel(getnatp(sect.sct_own), sp->shp_own) < FRIENDLY)) {
- wu(0, sp->shp_own, "%s %s,\nbut could not retreat to %s!\n", prship(sp),
- conditions[findcondition(code)].desc[orig],
- xyas(newx, newy, sp->shp_own));
- if (!orig) putship(sp->shp_uid,sp);
- return 0;
- }
- sp->shp_x = newx;
- sp->shp_y = newy;
- sp->shp_mobil -= mobcost;
- if (stopping)
- continue;
-
- mines = getvar(V_MINE, (s_char *)§, EF_SECTOR);
- if ((mcp->m_flags & M_SWEEP) && mines > 0 && !player->owner) {
- max = vl_find(V_SHELL, mcp->m_vtype,
- mcp->m_vamt, (int) mcp->m_nv);
- shells = getvar(V_SHELL, (s_char *)sp, EF_SHIP);
- for (m=0; mines > 0 && m < 5; m++) {
- if (chance(0.66)) {
- mines--;
- shells = min(max, shells + 1);
- }
- }
- putvar(V_MINE, mines, (s_char *)§, EF_SECTOR);
- putvar(V_SHELL, shells, (s_char *)sp, EF_SHIP);
- putsect(§);
- }
- if (mines > 0 && !player->owner &&
- chance(DMINE_HITCHANCE(mines))) {
- wu(0, sp->shp_own, "%s %s,\nand hit a mine in %s while retreating!\n", prship(sp),
- conditions[findcondition(code)].desc[orig],
- xyas(newx, newy, sp->shp_own));
- nreport(sp->shp_own, N_HIT_MINE, 0, 1);
- m = MINE_DAMAGE();
- shipdamage(sp, m);
- mines--;
- putvar(V_MINE, mines, (s_char *)§, EF_SECTOR);
- putsect(§);
- if (sp->shp_effic < SHIP_MINEFF)
- time_to_stop = 1;
- if (!orig) putship(sp->shp_uid,sp);
- return 0;
- }
- if (time_to_stop)
- stopping = 1;
+ }
+ if (sect.sct_mines != mines) {
+ wu(0, sp->shp_own,
+ "%s cleared %d mine%s in %s while retreating\n",
+ prship(sp), sect.sct_mines-mines, splur(sect.sct_mines-mines),
+ xyas(newx, newy, sp->shp_own));
+ sect.sct_mines = mines;
+ sp->shp_item[I_SHELL] = shells;
+ putsect(§);
+ }
+ if (changed)
+ writemap(sp->shp_own);
}
-
- if (orig) {
- wu(0, sp->shp_own, "%s %s, and retreated to %s\n", prship(sp),
- conditions[findcondition(code)].desc[orig],
- xyas(sp->shp_x, sp->shp_y, sp->shp_own));
- }else{
- wu(0, sp->shp_own, "%s %s, and ended up at %s\n",
- prship(sp),
- conditions[findcondition(code)].desc[orig],
- xyas(sp->shp_x, sp->shp_y, sp->shp_own));
+ if (sect.sct_type == SCT_WATER && mines > 0
+ && chance(DMINE_HITCHANCE(mines))) {
+ wu(0, sp->shp_own,
+ "%s %s,\nand hit a mine in %s while retreating!\n",
+ prship(sp), conditions[findcondition(code)].desc[orig],
+ xyas(newx, newy, sp->shp_own));
+ nreport(sp->shp_own, N_HIT_MINE, 0, 1);
+ m = MINE_DAMAGE();
+ shipdamage(sp, m);
+ mines--;
+ if (map_set(sp->shp_own, sp->shp_x, sp->shp_y, 'X', 0))
+ writemap(sp->shp_own);
+ sect.sct_mines = mines;
+ putsect(§);
+ if (!orig)
+ putship(sp->shp_uid, sp);
+ return 0;
}
- if (!orig) putship(sp->shp_uid,sp);
- return 1;
+ }
+
+ if (orig) {
+ wu(0, sp->shp_own, "%s %s, and retreated to %s\n",
+ prship(sp), conditions[findcondition(code)].desc[orig],
+ xyas(sp->shp_x, sp->shp_y, sp->shp_own));
+ } else {
+ wu(0, sp->shp_own, "%s %s, and ended up at %s\n",
+ prship(sp),
+ conditions[findcondition(code)].desc[orig],
+ xyas(sp->shp_x, sp->shp_y, sp->shp_own));
+ }
+ if (!orig)
+ putship(sp->shp_uid, sp);
+ return 1;
}
-#if 0
-static int
-check_nav(sect)
- struct sctstr *sect;
+static int
+findcondition(char code)
{
- extern struct dchrstr dchr[];
-
- switch (dchr[sect->sct_type].d_flg & 03) {
- case NAVOK:
- break;
-
- case NAV_02:
- if (sect->sct_effic < 2)
- return CN_CONSTRUCTION;
- break;
- case NAV_60:
- if (sect->sct_effic < 60)
- return CN_CONSTRUCTION;
- break;
- default:
- return CN_LANDLOCKED;
- }
- return CN_NAVIGABLE;
-}
-#endif
-int
-findcondition(s_char code)
-{
- int x;
-
- x=0;
- while (conditions[x].code){
- if (conditions[x].code == code)
- return(x);
- x++;
- }
+ int i;
- return(x);
+ for (i = 0; conditions[i].code && conditions[i].code != code; i++) ;
+ CANT_HAPPEN(!conditions[i].code);
+ return i;
}
int
check_retreat_and_do_landdamage(struct lndstr *lp, int dam)
{
- if (dam <=0)
- return 0;
+ if (dam <= 0)
+ return 0;
- landdamage(lp,dam);
- if (lp->lnd_rflags & RET_INJURED)
- retreat_land(lp, 'i');
+ landdamage(lp, dam);
+ if (lp->lnd_rflags & RET_INJURED)
+ retreat_land(lp, 'i');
- return 1;
+ return 1;
}
void
-retreat_land(struct lndstr *lp, s_char code)
+retreat_land(struct lndstr *lp, char code)
{
- struct nstr_item ni;
- struct lndstr land;
- s_char buf[2];
-
- if (lp->lnd_rflags & RET_GROUP){
- bzero(buf,2);
- buf[0] = lp->lnd_army;
- snxtitem(&ni, EF_SHIP, buf);
- while(nxtitem(&ni,(s_char *)&land))
- if ((land.lnd_army == buf[0]) &&
- (land.lnd_own == lp->lnd_own)) {
- if (land.lnd_uid == lp->lnd_uid){
- retreat_land1(lp,code,1);
- if (lp->lnd_rpath[0] == 0)
- lp->lnd_rflags = 0;
- }else{
- retreat_land1(&land,code,0);
- getland(land.lnd_uid,&land);
- if (land.lnd_rpath[0] == 0){
- land.lnd_rflags = 0;
- putland(land.lnd_uid,&land);
- }
- }
- }
- }else{
- retreat_land1(lp,code,1);
- if (lp->lnd_rpath[0] == 0)
+ struct nstr_item ni;
+ struct lndstr land;
+
+ if (lp->lnd_rflags & RET_GROUP) {
+ snxtitem_group(&ni, EF_SHIP, lp->lnd_army);
+ while (nxtitem(&ni, &land))
+ if (land.lnd_own == lp->lnd_own) {
+ if (land.lnd_uid == lp->lnd_uid) {
+ retreat_land1(lp, code, 1);
+ if (lp->lnd_rpath[0] == 0)
lp->lnd_rflags = 0;
- }
+ } else {
+ retreat_land1(&land, code, 0);
+ getland(land.lnd_uid, &land);
+ if (land.lnd_rpath[0] == 0) {
+ land.lnd_rflags = 0;
+ putland(land.lnd_uid, &land);
+ }
+ }
+ }
+ } else {
+ retreat_land1(lp, code, 1);
+ if (lp->lnd_rpath[0] == 0)
+ lp->lnd_rflags = 0;
+ }
}
-int
-retreat_land1(struct lndstr *lp, s_char code, int orig)
-
-
- /* Is this the originally scared unit, or a follower */
-{
- extern double techfact(int, double);
- struct sctstr sect;
- register int n;
- register int m;
- int max;
- int dir;
- coord newx;
- coord newy;
- coord dx;
- coord dy;
- int stopping;
- int mines;
- int shells;
- double mobcost;
- struct lchrstr *lcp;
- int time_to_stop;
- s_char buf[RET_LEN-1];
-
- lp->lnd_mission = 0;
- if (lp->lnd_own == 0)
- return 0;
-
- if (isupper(code))
- code = tolower(code);
-
- n = 0;
- if (lp->lnd_effic < LAND_MINEFF){
- wu(0, lp->lnd_own, "%s %s,\nbut it died in the attack, and so couldn't retreat!\n", prland(lp),
- conditions[findcondition(code)].desc[orig]);
- if (!orig) putland(lp->lnd_uid,lp);
- return 0;
- }
+static int
+retreat_land1(struct lndstr *lp, char code, int orig)
- getsect(lp->lnd_x,lp->lnd_y,§);
+ /* Is this the originally scared unit, or a follower */
+{
+ struct sctstr sect;
+ int n;
+ int m;
+ int max;
+ int dir;
+ coord newx;
+ coord newy;
+ coord dx;
+ coord dy;
+ int stopping;
+ int mines;
+ int shells;
+ double mobcost;
+ struct lchrstr *lcp;
+
+ lp->lnd_mission = 0;
+ if (lp->lnd_own == 0)
+ return 0;
+
+ n = 0;
+ if (lp->lnd_effic < LAND_MINEFF) {
+ wu(0, lp->lnd_own,
+ "%s %s,\nbut it died in the attack, and so couldn't retreat!\n",
+ prland(lp), conditions[findcondition(code)].desc[orig]);
+ if (!orig)
+ putland(lp->lnd_uid, lp);
+ return 0;
+ }
+
+ getsect(lp->lnd_x, lp->lnd_y, §);
+
+ if (lp->lnd_mobil <= 0.0) {
+ wu(0, lp->lnd_own,
+ "%s %s,\nbut had no mobility, and couldn't retreat!\n",
+ prland(lp), conditions[findcondition(code)].desc[orig]);
+ if (!orig)
+ putland(lp->lnd_uid, lp);
+ return 0;
+ }
+
+ n = (-1 * MAX_RETREAT);
+ stopping = 0;
+ while (!stopping && n) {
+ dx = dy = 0;
+ if (lp->lnd_rpath[0] == 0) {
+ stopping = 1;
+ continue;
+ }
if (lp->lnd_mobil <= 0.0) {
- wu(0, lp->lnd_own, "%s %s,\nbut had no mobility, and couldn't retreat!\n",
- prland(lp),
- conditions[findcondition(code)].desc[orig]);
- if (!orig) putland(lp->lnd_uid,lp);
- return 0;
+ wu(0, lp->lnd_own,
+ "%s %s,\nbut ran out of mobility, and couldn't retreat fully!\n",
+ prland(lp), conditions[findcondition(code)].desc[orig]);
+ if (!orig)
+ putland(lp->lnd_uid, lp);
+ return 0;
}
-
- n=(-1*MAX_RETREAT);
- stopping = 0;
- time_to_stop = 0;
- while ((!stopping) && n){
- dx = dy = 0;
- if (lp->lnd_rpath[0] == 0 || lp->lnd_rpath[0] == 0){
- stopping=1;
- continue;
- }
- if (lp->lnd_mobil <= 0.0) {
- wu(0, lp->lnd_own, "%s %s,\nbut ran out of mobility, and couldn't retreat fully!\n",
- prland(lp),
- conditions[findcondition(code)].desc[orig]);
- if (!orig) putland(lp->lnd_uid,lp);
- return 0;
- }
- dir = chkdir(lp->lnd_rpath[0], DIR_STOP, DIR_VIEW);
- bzero(buf,RET_LEN-1);
- bcopy(&lp->lnd_rpath[1],buf,RET_LEN-1);
- bzero(lp->lnd_rpath,RET_LEN);
- bcopy(buf,lp->lnd_rpath,RET_LEN-1);
- if (dir == -1)
- continue;
- if (dir == DIR_STOP)
- stopping++;
- else {
- dx = diroff[dir][0];
- dy = diroff[dir][1];
- }
- n++;
-
- lcp = &lchr[(int)lp->lnd_type];
- newx = xnorm(lp->lnd_x + dx);
- newy = ynorm(lp->lnd_y + dy);
-
- getsect(newx, newy, §);
- if ((sect.sct_type == SCT_WATER) ||
- (sect.sct_type == SCT_MOUNT) ||
- (sect.sct_type == SCT_SANCT) ||
- (sect.sct_type == SCT_WASTE) ||
- (sect.sct_own != lp->lnd_own)){
- wu(0, lp->lnd_own, "%s %s,\nbut could not retreat to %s!\n",
- prland(lp),
- conditions[findcondition(code)].desc[orig],
- xyas(newx, newy, lp->lnd_own));
- if (!orig) putland(lp->lnd_uid,lp);
- return 0;
- }
- mobcost = lnd_mobcost(lp, §, MOB_ROAD);
- lp->lnd_x = newx;
- lp->lnd_y = newy;
- lp->lnd_mobil -= mobcost;
- if (stopping)
- continue;
-
- mines = getvar(V_MINE, (s_char *)§, EF_SECTOR);
- if ((lcp->l_flags & L_ENGINEER) && mines > 0 &&
- (sect.sct_oldown != lp->lnd_own)){
- max = vl_find(V_SHELL, lcp->l_vtype,
- lcp->l_vamt, (int) lcp->l_nv);
- shells = getvar(V_SHELL, (s_char *)lp, EF_LAND);
- for (m=0; mines > 0 && m < 5; m++) {
- if (chance(0.66)) {
- mines--;
- shells = min(max, shells + 1);
- }
- }
- putvar(V_MINE, mines, (s_char *)§, EF_SECTOR);
- putvar(V_SHELL, shells, (s_char *)lp, EF_LAND);
- putsect(§);
- }
- if (mines > 0 && (sect.sct_oldown != lp->lnd_own) &&
- chance(DMINE_HITCHANCE(mines))) {
- wu(0, lp->lnd_own, "%s %s,\nand hit a mine while retreating!\n",
- prland(lp),
- conditions[findcondition(code)].desc[orig],
- xyas(newx, newy, lp->lnd_own));
- nreport(lp->lnd_own, N_LHIT_MINE, 0, 1);
- m = MINE_LDAMAGE();
- landdamage(lp, m);
- mines--;
- putvar(V_MINE, mines, (s_char *)§, EF_SECTOR);
- putsect(§);
- if (lp->lnd_effic < LAND_MINEFF)
- time_to_stop = 1;
- if (!orig) putland(lp->lnd_uid,lp);
- return 0;
+ dir = chkdir(lp->lnd_rpath[0], DIR_STOP, DIR_LAST);
+ memmove(lp->lnd_rpath, lp->lnd_rpath+1, sizeof(lp->lnd_rpath) - 1);
+ if (dir < 0)
+ continue;
+ if (dir == DIR_STOP)
+ stopping++;
+ else {
+ dx = diroff[dir][0];
+ dy = diroff[dir][1];
+ }
+ n++;
+
+ lcp = &lchr[(int)lp->lnd_type];
+ newx = xnorm(lp->lnd_x + dx);
+ newy = ynorm(lp->lnd_y + dy);
+
+ getsect(newx, newy, §);
+ mobcost = lnd_mobcost(lp, §);
+ if (mobcost < 0
+ || sect.sct_type == SCT_MOUNT
+ || sect.sct_own != lp->lnd_own) {
+ wu(0, lp->lnd_own, "%s %s,\nbut could not retreat to %s!\n",
+ prland(lp),
+ conditions[findcondition(code)].desc[orig],
+ xyas(newx, newy, lp->lnd_own));
+ if (!orig)
+ putland(lp->lnd_uid, lp);
+ return 0;
+ }
+ lp->lnd_x = newx;
+ lp->lnd_y = newy;
+ lp->lnd_mobil -= mobcost;
+ if (stopping)
+ continue;
+
+ mines = sect.sct_mines;
+ if ((lcp->l_flags & L_ENGINEER) && mines > 0 &&
+ (sect.sct_oldown != lp->lnd_own)) {
+ max = lcp->l_item[I_SHELL];
+ shells = lp->lnd_item[I_SHELL];
+ for (m = 0; mines > 0 && m < 5; m++) {
+ if (chance(0.66)) {
+ mines--;
+ shells = MIN(max, shells + 1);
}
- if (time_to_stop)
- stopping = 1;
+ }
+ sect.sct_mines = mines;
+ lp->lnd_item[I_SHELL] = shells;
+ putsect(§);
}
-
- if (orig){
- wu(0, lp->lnd_own, "%s %s, and retreated to %s\n",
- prland(lp),
- conditions[findcondition(code)].desc[orig],
- xyas(lp->lnd_x, lp->lnd_y, lp->lnd_own));
- }else{
- wu(0, lp->lnd_own, "%s %s, and ended up at %s\n",
- prland(lp),
- conditions[findcondition(code)].desc[orig],
- xyas(lp->lnd_x, lp->lnd_y, lp->lnd_own));
+ if (mines > 0 && (sect.sct_oldown != lp->lnd_own) &&
+ chance(DMINE_LHITCHANCE(mines))) {
+ wu(0, lp->lnd_own,
+ "%s %s,\nand hit a mine in %s while retreating!\n",
+ prland(lp),
+ conditions[findcondition(code)].desc[orig],
+ xyas(newx, newy, lp->lnd_own));
+ nreport(lp->lnd_own, N_LHIT_MINE, 0, 1);
+ m = MINE_LDAMAGE();
+ landdamage(lp, m);
+ mines--;
+ sect.sct_mines = mines;
+ putsect(§);
+ if (!orig)
+ putland(lp->lnd_uid, lp);
+ return 0;
}
- if (!orig) putland(lp->lnd_uid,lp);
- return 1;
+ }
+
+ if (orig) {
+ wu(0, lp->lnd_own, "%s %s, and retreated to %s\n",
+ prland(lp),
+ conditions[findcondition(code)].desc[orig],
+ xyas(lp->lnd_x, lp->lnd_y, lp->lnd_own));
+ } else {
+ wu(0, lp->lnd_own, "%s %s, and ended up at %s\n",
+ prland(lp),
+ conditions[findcondition(code)].desc[orig],
+ xyas(lp->lnd_x, lp->lnd_y, lp->lnd_own));
+ }
+ if (!orig)
+ putland(lp->lnd_uid, lp);
+ return 1;
}