/*
* Empire - A multi-player, client/server Internet based war game.
- * Copyright (C) 1986-2010, Dave Pare, Jeff Bailey, Thomas Ruschak,
- * Ken Stevens, Steve McClure
+ * Copyright (C) 1986-2021, Dave Pare, Jeff Bailey, Thomas Ruschak,
+ * Ken Stevens, Steve McClure, Markus Armbruster
*
- * This program is free software; you can redistribute it and/or modify
+ * Empire is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
+ * the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* ---
*
* Known contributors to this file:
* Ken Stevens, 1995
* Steve McClure, 1996-2000
- * Markus Armbruster, 2006-2009
+ * Markus Armbruster, 2006-2016
*/
#include <config.h>
#include <ctype.h>
#include <math.h>
+#include "chance.h"
#include "combat.h"
-#include "file.h"
+#include "empobj.h"
#include "map.h"
#include "misc.h"
#include "mission.h"
+#include "news.h"
#include "nsc.h"
#include "optlist.h"
#include "path.h"
#include "plague.h"
#include "player.h"
#include "prototypes.h"
-#include "xy.h"
-#include "empobj.h"
#include "unit.h"
+#include "xy.h"
#define CASUALTY_LUMP 1 /* How big casualty chunks should be */
y = com->y;
break;
case EF_LAND:
- if (!getland(com->lnd_uid, &land) || !land.lnd_own) {
+ if (!getland(com->lnd_uid, &land) || !land.lnd_own
+ || land.lnd_ship >= 0 || land.lnd_land >= 0) {
if (isdef)
pr("Land unit #%d is not in the same sector!\n",
com->lnd_uid);
mil);
com->troops = mil;
} else { /* attacker */
- if (owner != player->cnum
- && getrel(getnatp(owner), player->cnum) != ALLIED) {
+ if (owner != com->own && owner != player->cnum) {
/* must be EF_SECTOR */
- if (com->mil)
+ if (com->troops)
pr("WARNING: Your %d mil in %s were destroyed because %s just took the sector!\n",
com->mil, xyas(com->x, com->y, player->cnum),
cname(owner));
else
- pr("You no longer own %s\n",
- xyas(com->x, com->y, player->cnum));
+ pr("%s just took %s!\n",
+ cname(owner), xyas(com->x, com->y, player->cnum));
return att_combat_init(com, EF_BAD);
}
if (com->troops && com->troops + 1 > mil) {
putship(com->shp_uid, &ship);
}
com->mobcost = 0;
+ /*
+ * FIXME if we just sank the ship, att_get_combat() will report
+ * "not in the same sector", and proceed to clobber *com. See
+ * also the workaround in boar().
+ */
att_get_combat(com, com->own != player->cnum);
}
att_abort(int combat_mode, struct combat *off, struct combat *def)
{
struct sctstr sect;
- int rel;
- char y_or_n[512];
- struct natstr *natp;
if (player->aborted)
return 1;
setcont(player->cnum, def->own, FOUND_SPY);
setcont(def->own, player->cnum, FOUND_SPY);
}
- if (opt_SLOW_WAR && def->own != player->cnum) {
- natp = getnatp(player->cnum);
- rel = getrel(natp, def->own);
-
- if (rel == ALLIED) {
- sprintf(y_or_n, "Sector is owned by %s, your ally, %s [yn]? ",
- cname(def->own), att_mode[combat_mode]);
- if (!confirm(y_or_n))
- return abort_attack();
- }
- if ((rel != AT_WAR) && (def->own) &&
- (sect.sct_oldown != player->cnum)) {
- pr("You're not at war with them!\n");
- return abort_attack();
- }
- }
return 0;
}
pr("Victim ship moves faster than you do!\n");
if (def->own)
wu(0, def->own,
- "%s (#%d) %s failed to catch %s\n",
- cname(aship.shp_own), aship.shp_own,
+ "%s %s failed to catch %s\n",
+ prnatid(aship.shp_own),
pr_com(0, off, def->own), pr_com(0, def, def->own));
return abort_attack();
}
/* The attack is valid. Tell the attacker about what they're going to hit */
-int
+void
att_show(struct combat *def)
{
- /* Note that we tell the player about the treaty BEFORE we tell them
- about the item. If we didn't, then they gain free information */
if (def->type == EF_SECTOR) {
- if (!trechk(player->cnum, def->own, LANATT))
- return abort_attack();
pr("%s is a %d%% %s %s with approximately %d military.\n",
xyas(def->x, def->y, player->cnum),
roundintby((int)def->eff, 10),
if (map_set(player->cnum, def->x, def->y, def->sct_dcp->d_mnem, 0))
writemap(player->cnum);
} else if (def->type == EF_SHIP || def->type == EF_LAND) {
- if (def->type == EF_SHIP) {
- if (!trechk(player->cnum, def->own, SEAATT))
- return abort_attack();
- } else {
- if (!trechk(player->cnum, def->own, LNDATT))
- return abort_attack();
- }
pr("%s is about %d%% efficient and has approximately %d mil on board.\n",
prcom(0, def), roundintby((int)def->eff, 10),
roundintby(def->troops, 10));
}
- /* Ok, everything is fine */
- return 0;
}
/* Attack and assault ask the user which kind of support they want */
}
/*
- * Return path cost for ATTACKER to enter sector given by DEF.
- * MOBTYPE is a mobility type accepted by sector_mcost().
+ * Return path cost for @attacker to enter sector given by @def.
+ * @mobtype is a mobility type accepted by sector_mcost().
*/
static double
att_mobcost(natid attacker, struct combat *def, int mobtype)
case EF_SHIP:
/* the 2 in the formula below is a fudge factor */
getship(def->shp_uid, &ship);
- off->mobcost += (def->eff / 100) * (shp_speed(&ship) / 2);
+ off->mobcost += shp_speed(&ship) / 2 * def->eff / 100;
}
}
}
while (nxtitem(&ni, &land)) {
if (land.lnd_own != player->cnum)
continue;
- if (land.lnd_effic < LAND_MINEFF)
+ if (!land.lnd_own)
continue;
if (land_answer[(int)land.lnd_army] == 'N')
continue;
* of high-mobility sectors (mountains): for those we
* still require attack mobility.
*/
- pathcost = att_mobcost(off->own, def, lnd_mobtype(&land));
+ pathcost = att_mobcost(land.lnd_own, def, lnd_mobtype(&land));
mobcost = lnd_pathcost(&land, pathcost);
if (pathcost < 1.0) {
if (land.lnd_mobil <= 0) {
return;
}
att_val = attack_val(combat_mode, &land);
- if (att_val < 1.0) {
+ /*
+ * We need to let spies assault even though they have no
+ * offensive strength, because assault is how they sneak
+ * ashore. If this assault turns out to be a fight, they'll
+ * be removed by get_ototal().
+ */
+ if (att_val < 1.0
+ && !(combat_mode == A_ASSAULT && (lcp->l_flags & L_SPY))) {
pr("%s has no offensive strength\n", prland(&land));
continue;
}
land_answer[(int)land.lnd_army] != 'Y')
continue;
}
- if (!(llp = malloc(sizeof(struct ulist)))) {
- logerror("Malloc failed in attack!\n");
- abort_attack();
- return;
- }
- memset(llp, 0, sizeof(struct ulist));
- emp_insque(&llp->queue, olist);
+ llp = lnd_insque(&land, olist);
+ llp->supplied = 1;
llp->mobil = mobcost;
- llp->unit.land = land;
llp->x = llp->unit.land.lnd_x;
llp->y = llp->unit.land.lnd_y;
- llp->chrp = (struct empobj_chr *)&lchr[(int)llp->unit.land.lnd_type];
llp->eff = llp->unit.land.lnd_effic;
if (lnd_spyval(&land) > *a_spyp)
*a_spyp = lnd_spyval(&land);
- if (((struct lchrstr *)llp->chrp)->l_flags & L_ENGINEER)
+ if (lchr[land.lnd_type].l_flags & L_ENGINEER)
++*a_engineerp;
if (def->type == EF_SHIP && ++count >= maxland)
break;
continue;
if (def->type == EF_SECTOR && land.lnd_land >= 0)
continue;
+ if (def->type == EF_SECTOR && (lchr[land.lnd_type].l_flags & L_SPY))
+ continue;
if (def->type == EF_SHIP && land.lnd_ship != def->shp_uid)
continue;
if (def->type == EF_LAND && land.lnd_land != def->lnd_uid)
continue;
intelligence_report(player->cnum, &land, a_spy,
"Scouts report defending unit:");
- if (!(llp = malloc(sizeof(struct ulist)))) {
- logerror("Malloc failed in attack!\n");
- abort_attack();
- return;
- }
- memset(llp, 0, sizeof(struct ulist));
- emp_insque(&llp->queue, list);
+ llp = lnd_insque(&land, list);
llp->supplied = lnd_supply_all(&land);
- llp->unit.land = land;
+ llp->mobil = 0.0;
llp->x = llp->unit.land.lnd_x;
llp->y = llp->unit.land.lnd_y;
- llp->chrp = (struct empobj_chr *)&lchr[(int)llp->unit.land.lnd_type];
llp->eff = llp->unit.land.lnd_effic;
if (lnd_spyval(&land) > *d_spyp)
*d_spyp = lnd_spyval(&land);
struct emp_qelem *qp, *next;
struct ulist *llp;
int n, w;
+ double att_val;
/*
* first, total the attacking mil
llp = (struct ulist *)qp;
if (check && !get_oland(combat_mode, llp))
continue;
+ att_val = attack_val(combat_mode, &llp->unit.land);
+ if (check && att_val < 1.0) {
+ /*
+ * No offensive strength, and fighting hasn't even begun.
+ * Since ask_olist() doesn't offer such land units, except
+ * for spies sometimes, it's either a spy, or the strength
+ * must have been destroyed since then. Leave it behind.
+ */
+ lnd_print(player->cnum, llp, "has no offensive strength");
+ lnd_put_one(llp);
+ continue;
+ }
if (combat_mode == A_ATTACK) {
w = -1;
for (n = 0; n <= off->last; ++n) {
w = n;
}
if (w < 0) {
- lnd_print(llp, "is in a sector not owned by you");
- lnd_delete(llp);
+ lnd_print(player->cnum, llp,
+ "can't attack from this sector now");
+ lnd_put_one(llp);
continue;
}
- ototal += attack_val(combat_mode, &llp->unit.land) *
- att_combat_eff(off + w);
- } else {
- ototal += attack_val(combat_mode, &llp->unit.land);
+ att_val *= att_combat_eff(off + w);
}
+ ototal += att_val;
}
ototal *= osupport;
if (lp->lnd_own != player->cnum) {
sprintf(buf, "was destroyed and is no longer a part of the %s",
att_mode[combat_mode]);
- lnd_print(llp, buf);
- lnd_delete(llp);
+ lnd_print(player->cnum, llp, buf);
+ lnd_put_one(llp);
return 0;
}
if (lp->lnd_x != llp->x || lp->lnd_y != llp->y) {
sprintf(buf,
"left to fight another battle and is no longer a part of the %s",
att_mode[combat_mode]);
- lnd_print(llp, buf);
- lnd_delete(llp);
+ lnd_print(player->cnum, llp, buf);
+ lnd_put_one(llp);
return 0;
}
if (lp->lnd_effic < llp->eff) {
sprintf(buf, "damaged from %d%% to %d%%",
llp->eff, lp->lnd_effic);
- lnd_print(llp, buf);
+ lnd_print(player->cnum, llp, buf);
}
llp->eff = llp->unit.land.lnd_effic;
get_dland(struct combat *def, struct ulist *llp)
{
struct lndstr *lp = &llp->unit.land;
- char buf[512];
getland(llp->unit.land.lnd_uid, lp);
- if (lp->lnd_effic < LAND_MINEFF) {
- sprintf(buf, "was destroyed and is no longer a part of the defense");
- lnd_print(llp, buf);
- lnd_delete(llp);
+ if (lp->lnd_own != def->own) {
+ lnd_print(llp->unit.land.lnd_own, llp,
+ "was destroyed and is no longer a part of the defense");
+ lnd_put_one(llp);
return 0;
}
if (lp->lnd_x != def->x || lp->lnd_y != def->y) {
- lnd_print(llp,
+ lnd_print(llp->unit.land.lnd_own, llp,
"left to go fight another battle and is no longer a part of the defense");
- lnd_delete(llp);
+ lnd_put_one(llp);
return 0;
}
llp = (struct ulist *)qp;
if (llp->unit.land.lnd_ship >= 0) {
llp->unit.land.lnd_effic = 0;
- lnd_print(llp, "cannot return to the ship, and dies!");
- lnd_delete(llp);
+ lnd_print(player->cnum, llp,
+ "cannot return to the ship, and dies!");
+ lnd_put_one(llp);
}
}
}
llp->mobil = 0.0;
putland(llp->unit.land.lnd_uid, &llp->unit.land);
if (llp->unit.land.lnd_own != player->cnum) {
- emp_remque((struct emp_qelem *)llp);
+ emp_remque(&llp->queue);
free(llp);
} else
get_oland(A_ATTACK, llp);
{
struct nstr_item ni;
struct lndstr land;
- struct sctstr sect, dsect;
struct ulist *llp;
int dtotal;
double new_land = 0;
double pathcost;
int origx, origy;
double eff = att_combat_eff(def);
- char buf[1024];
if (list)
dtotal = get_dtotal(def, list, 1.0, 1);
if (!in_oparea((struct empobj *)&land, def->x, def->y))
continue;
- getsect(land.lnd_x, land.lnd_y, §);
- getsect(def->x, def->y, &dsect);
- if (!BestLandPath(buf, §, &dsect, &pathcost,
- lnd_mobtype(&land)))
+ pathcost = path_find(land.lnd_x, land.lnd_y, def->x, def->y,
+ def->own, lnd_mobtype(&land));
+ if (pathcost < 0)
continue;
-
mobcost = lnd_pathcost(&land, pathcost);
if (land.lnd_mobil < mobcost)
continue;
wu(0, land.lnd_own, "%s reacts to %s.\n",
prland(&land), xyas(land.lnd_x, land.lnd_y, land.lnd_own));
- llp = malloc(sizeof(struct ulist));
-
- memset(llp, 0, sizeof(struct ulist));
+ llp = lnd_insque(&land, list);
llp->supplied = 1;
+ llp->mobil = 0.0;
llp->x = origx;
llp->y = origy;
- llp->chrp = (struct empobj_chr *)&lchr[(int)land.lnd_type];
- llp->unit.land = land;
llp->eff = land.lnd_effic;
- emp_insque(&llp->queue, list);
if (lnd_spyval(&land) > *d_spyp)
*d_spyp = lnd_spyval(&land);
ap = dam / 100.0;
osupport += ap;
}
- sprintf(outs, "attacker\t%1.2f\t%1.2f\t%1.2f\t%1.2f\n", af, as, au,
- ap);
+ sprintf(outs, "attacker\t%1.2f\t%1.2f\t%1.2f\t%1.2f", af, as, au, ap);
return osupport;
}
if (good)
*outs = '\0';
else
- sprintf(outs, "defender\t%1.2f\t%1.2f\t%1.2f\t%1.2f\n\n", df, ds,
- du, dp);
+ sprintf(outs, "defender\t%1.2f\t%1.2f\t%1.2f\t%1.2f",
+ df, ds, du, dp);
if (def->own) {
if (good < 0)
wu(0, def->own,
pr("\n\t\tsupport values\n");
pr("\t\tforts\tships\tunits\tplanes\n");
if (*osupportp != 1.0)
- pr("%s", osupports);
+ pr("%s\n", osupports);
if (*dsupportp != 1.0)
- pr("%s", dsupports);
+ pr("%s\n", dsupports);
+ pr("\n");
if (def->own) {
wu(0, def->own, "\n\t\tsupport values\n");
wu(0, def->own, "\t\tforts\tships\tunits\tplanes\n");
if (*osupportp != 1.0)
- wu(0, def->own, "%s", osupports);
+ wu(0, def->own, "%s\n", osupports);
if (*dsupportp != 1.0)
- wu(0, def->own, "%s", dsupports);
+ wu(0, def->own, "%s\n", dsupports);
+ wu(0, def->own, "\n");
}
}
* since a single dead guy normally wouldn't cause a commander to
* rethink his strategies, but 50 dead guys might.
*/
- odds += (random() % 11 - 5) / 100.0;
+ odds += (roll(11) - 6) / 100.0;
if (odds < 0.0)
odds = 0.1;
if (odds > 1.0)
odds = 1.0;
- recalctime = 8 + (random() % 43);
+ recalctime = 7 + roll(43);
while (!success && ototal) {
if (chance(odds)) {
pr("!");
if (((a_cas + d_cas) % 70) == 69)
pr("\n");
if (recalctime-- <= 0) {
- recalctime = 8 + (random() % 43);
+ recalctime = 7 + roll(43);
odds = att_calcodds(ototal, dtotal);
- odds += (random() % 11 - 5) / 100.0;
+ odds += (roll(11) - 6) / 100.0;
if (odds < 0.0)
odds = 0.1;
if (odds > 1.0)
pr("- Casualties -\n Yours: %d\n", a_cas);
pr(" Theirs: %d\n", d_cas);
- pr("Papershuffling ... %.1f B.T.U\n", (d_cas + a_cas) * 0.15);
+ pr("Paper-shuffling ... %.1f BTU\n", (d_cas + a_cas) * 0.15);
player->btused += (int)((d_cas + a_cas) * 0.015 + 0.5);
if (success) {
nreport(player->cnum, news_item, def->own, 1);
if (def->own) {
wu(0, def->own,
- "%s (#%d) lost %d troops %s %s\nWe lost %d troops defending\n",
- cname(player->cnum), player->cnum, a_cas,
+ "%s lost %d troops %s %s\nWe lost %d troops defending\n",
+ prnatid(player->cnum), a_cas,
action, pr_com(0, def, def->own), d_cas);
}
send_reacting_units_home(dlist);
/* putland the defending land */
- unit_put(dlist, 0);
+ lnd_put(dlist);
/* putland the attacking land */
put_oland(olist);
int to_take = CASUALTY_LUMP;
int biggest_troops = 0, index = -1;
int n, tot_troops = 0, biggest_mil, cas;
- struct emp_qelem *qp, *biggest;
- struct ulist *llp;
+ struct emp_qelem *qp;
+ struct ulist *llp, *biggest;
for (n = 0; n <= off->last; ++n) {
if (off[n].type != EF_BAD) {
if (llp->unit.land.lnd_item[I_MILIT] > biggest_mil) {
biggest_mil = llp->unit.land.lnd_item[I_MILIT];
- biggest = qp;
+ biggest = llp;
}
}
if (biggest == NULL)
return CASUALTY_LUMP - to_take;
- llp = (struct ulist *)biggest;
- cas = lnd_take_casualty(combat_mode, llp, to_take);
+ cas = lnd_take_casualty(combat_mode, biggest, to_take);
return CASUALTY_LUMP - (to_take - cas);
}
xyas(llp->x, llp->y, llp->unit.land.lnd_own));
llp->unit.land.lnd_x = llp->x;
llp->unit.land.lnd_y = llp->y;
- lnd_print(llp, buf);
- lnd_delete(llp);
+ lnd_print(llp->unit.land.lnd_own, llp, buf);
+ lnd_put_one(llp);
}
}
}
if (ototal <= 0) {
if (def->own && player->cnum != def->own) {
wu(0, def->own,
- "%s (#%d) considered %sing you @%s\n",
- cname(player->cnum), player->cnum,
+ "%s considered %sing you @%s\n",
+ prnatid(player->cnum),
att_mode[combat_mode], xyas(def->x, def->y, def->own));
}
pr("No troops for %s...\n", att_mode[combat_mode]);
if (def->type == EF_SHIP) {
llp->unit.land.lnd_ship = def->shp_uid;
sprintf(buf, "boards %s", prcom(0, def));
- lnd_print(llp, buf);
+ lnd_print(player->cnum, llp, buf);
delete_me = llp;
} else {
llp->unit.land.lnd_ship = -1;
sprintf(buf, "moves in to occupy %s",
xyas(def->x, def->y, player->cnum));
- lnd_print(llp, buf);
- lnd_delete(llp);
+ lnd_print(player->cnum, llp, buf);
+ lnd_put_one(llp);
}
}
}
putland(land.lnd_uid, &land);
}
if (delete_me)
- lnd_delete(delete_me);
+ lnd_put_one(delete_me);
att_get_combat(def, 0);
return 1;
}
sprintf(buf, "stays in %s",
xyas(llp->unit.land.lnd_x, llp->unit.land.lnd_y,
player->cnum));
- lnd_print(llp, buf);
- lnd_delete(llp);
+ lnd_print(player->cnum, llp, buf);
+ lnd_put_one(llp);
}
if (QEMPTY(olist))
return;
sprintf(buf, "stays in %s",
xyas(llp->unit.land.lnd_x, llp->unit.land.lnd_y,
player->cnum));
- lnd_print(llp, buf);
- lnd_delete(llp);
+ lnd_print(player->cnum, llp, buf);
+ lnd_put_one(llp);
}
return;
}
move_in_land(A_ATTACK, off, olist, def);
}
-/* Move offensive land units to the conquered sector or ship */
-
-static void
-move_in_land(int combat_mode, struct combat *off, struct emp_qelem *olist,
- struct combat *def)
+void
+att_move_land(int combat_mode, struct combat *off, struct emp_qelem *olist,
+ struct combat *def)
{
struct emp_qelem *qp, *next;
struct ulist *llp;
- char buf[512];
- if (QEMPTY(olist))
- return;
for (qp = olist->q_forw; qp != olist; qp = next) {
next = qp->q_forw;
llp = (struct ulist *)qp;
else
llp->unit.land.lnd_ship = -1;
}
- if (QEMPTY(olist))
- return;
+}
+
+/* Move offensive land units to the conquered sector or ship */
+
+static void
+move_in_land(int combat_mode, struct combat *off, struct emp_qelem *olist,
+ struct combat *def)
+{
+ struct emp_qelem *qp, *next;
+ struct ulist *llp;
+ char buf[512];
+
+ att_move_land(combat_mode, off, olist, def);
+
if (def->type == EF_SECTOR) {
if (opt_INTERDICT_ATT) {
- lnd_sweep(olist, 0, 0, def->own);
+ lnd_sweep(olist, 0, 0, player->cnum);
lnd_check_mines(olist);
}
sprintf(buf, "now occupies %s", prcom(0, def));
} else {
sprintf(buf, "boards %s", prcom(0, def));
}
- if (QEMPTY(olist))
- return;
+
for (qp = olist->q_forw; qp != olist; qp = next) {
next = qp->q_forw;
llp = (struct ulist *)qp;
- lnd_print(llp, buf);
+ lnd_print(player->cnum, llp, buf);
}
- if (QEMPTY(olist))
- return;
- unit_put(olist, 0);
+
+ lnd_put(olist);
}
/*
switch (combat_mode) {
case A_ATTACK:
mobcost = lnd_pathcost(&llp->unit.land,
- att_mobcost(off->own, def,
+ att_mobcost(llp->unit.land.lnd_own, def,
lnd_mobtype(&llp->unit.land)));
break;
case A_ASSAULT:
* Set mobcost to basic assault cost, moblim to maximum
* mobility to keep when assaulting from non-landing ship
*/
- if (((struct lchrstr *)llp->chrp)->l_flags & L_MARINE) {
+ if (lchr[llp->unit.land.lnd_type].l_flags & L_MARINE) {
mobcost = gain / 2.0;
moblim = 0;
} else {
mobcost = MAX(mobcost, mob - moblim);
break;
case A_BOARD:
- if (((struct lchrstr *)llp->chrp)->l_flags & L_MARINE)
+ if (lchr[llp->unit.land.lnd_type].l_flags & L_MARINE)
mobcost = 10;
else
mobcost = 40;
double base = sp->sct_type == SCT_MOUNT ? 2.0 : 1.0;
double d = base + (dchr[sp->sct_type].d_dstr - base) * def;
- if (d > dchr[sp->sct_type].d_dstr)
- d = dchr[sp->sct_type].d_dstr;
- if (d < base)
- d = base;
- return d;
+ return LIMIT_TO(d, base, dchr[sp->sct_type].d_dstr);
}
projects / empserver / blobdiff