/*
* Empire - A multi-player, client/server Internet based war game.
- * Copyright (C) 1986-2000, Dave Pare, Jeff Bailey, Thomas Ruschak,
- * Ken Stevens, Steve McClure
+ * Copyright (C) 1986-2015, 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/>.
*
* ---
*
- * 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.
*
* ---
*
* torp.c: Fire torpedoes at enemy ships
- *
+ *
* Known contributors to this file:
* Dave Pare
* Thomas Ruschak, 1992
* Ken Stevens, 1995
* Steve McClure, 2000
+ * Markus Armbruster, 2004-2015
*/
-#include <stdio.h>
-#include "misc.h"
-#include "player.h"
-#include "var.h"
-#include "ship.h"
-#include "file.h"
-#include "xy.h"
-#include "nat.h"
-#include "nsc.h"
+#include <config.h>
+
+#include "chance.h"
+#include "commands.h"
#include "news.h"
#include "retreat.h"
-#include "damage.h"
-#include "commands.h"
-
-void anti_torp(int f, int ntorping, int vshipown);
-void fire_dchrg(struct shpstr *sp, struct shpstr *targ, int range, int ntargets);
+#include "ship.h"
-s_char *prsub(struct shpstr *sp);
+static void anti_torp(int f, int ntorping, int vshipown);
+static void fire_dchrg(struct shpstr *, struct shpstr *, int);
+static int fire_torp(struct shpstr *, struct shpstr *, int);
int
torp(void)
{
- extern int torpedo_damage;
- natid vshipown;
- int range;
- int dam;
- int shells;
- int subno;
- int victno;
- double erange;
- double hitchance;
- struct shpstr vship;
- struct shpstr sub;
- s_char *ptr;
- double mobcost;
- struct mchrstr *mcp;
- struct nstr_item nbst;
- s_char buf[1024];
- s_char *sav;
- int ntorping=0;
- s_char prompt[128];
-
- if (!(sav = getstarg(player->argp[1], "From ship(s)? ", buf)))
- return RET_SYN;
- if (!snxtitem(&nbst, EF_SHIP, sav))
- return RET_SYN;
- while (nxtitem(&nbst, (s_char *)&sub)){
- if (sub.shp_own != player->cnum)
- continue;
- if ((mchr[(int)sub.shp_type].m_flags & M_TORP) == 0)
- continue;
- shells = getvar(V_SHELL, (s_char *)&sub, EF_SHIP);
- if (shells < 3)
- shells += supply_commod(sub.shp_own,sub.shp_x,sub.shp_y,I_SHELL,
- 3-shells);
- if (getvar(V_GUN, (s_char *)&sub, EF_SHIP) == 0 || shells < 3)
- continue;
- if (getvar(V_MILIT, (s_char *)&sub, EF_SHIP) < 1)
- continue;
- if (sub.shp_effic < 60)
- continue;
- if (sub.shp_mobil <= 0)
- continue;
- ntorping++;
+ natid vshipown;
+ int range;
+ int dam;
+ int subno;
+ int victno;
+ int erange;
+ double hitchance;
+ struct shpstr vship;
+ struct shpstr sub;
+ char *ptr;
+ struct nstr_item nbst;
+ char buf[1024];
+ int ntorping = 0;
+ char prompt[128];
+
+ if (!snxtitem(&nbst, EF_SHIP, player->argp[1], "From ship(s)? "))
+ return RET_SYN;
+ while (nxtitem(&nbst, &sub)) {
+ if (sub.shp_own != player->cnum)
+ continue;
+ if ((mchr[(int)sub.shp_type].m_flags & M_TORP) == 0)
+ continue;
+ if (sub.shp_item[I_GUN] == 0
+ || sub.shp_item[I_SHELL] < SHP_TORP_SHELLS)
+ continue;
+ if (sub.shp_item[I_MILIT] < 1)
+ continue;
+ if (sub.shp_effic < 60)
+ continue;
+ if (sub.shp_mobil <= 0)
+ continue;
+ ntorping++;
+ }
+ pr("%d ships are eligible to torpedo\n", ntorping);
+ snxtitem_rewind(&nbst);
+ while (nxtitem(&nbst, &sub)) {
+ if (!sub.shp_own)
+ continue;
+ if (sub.shp_own != player->cnum) {
+ continue;
}
- pr("%d ships are eligible to torp\n",ntorping);
- snxtitem(&nbst, EF_SHIP, sav);
- while (nxtitem(&nbst, (s_char *)&sub)) {
- if (!sub.shp_own)
- continue;
- if (sub.shp_own != player->cnum) {
- continue;
- }
- if ((mchr[(int)sub.shp_type].m_flags & M_TORP) == 0) {
- pr("Ship # %d: A %s can't fire torpedoes!\n", sub.shp_uid,
- mchr[(int)sub.shp_type].m_name);
- continue;
- }
- shells = getvar(V_SHELL, (s_char *)&sub, EF_SHIP);
- if (shells < 3)
- shells += supply_commod(sub.shp_own,sub.shp_x,sub.shp_y
-,I_SHELL,
- 3-shells);
- if (getvar(V_GUN, (s_char *)&sub, EF_SHIP) == 0 || shells < 3) {
- pr("Ship #%d has insufficient armament\n",sub.shp_uid);
- continue;
- }
- if (getvar(V_MILIT, (s_char *)&sub, EF_SHIP) < 1){
- pr("Ship #%d has insufficient crew\n",sub.shp_uid);
- continue;
- }
- if (sub.shp_effic < 60) {
- pr("Ship #%d torpedo tubes inoperative.\n",sub.shp_uid);
- continue;
- }
- if (sub.shp_mobil <= 0) {
- pr("Ship #%d has insufficient mobility\n",sub.shp_uid);
- continue;
- }
- bzero(buf,80);
- subno=sub.shp_uid;
- sprintf(prompt, "Ship %d, target? ",sub.shp_uid);
- if ((ptr = getstarg(player->argp[2],prompt, buf)) == 0)
- return RET_SYN;
- if (!check_ship_ok(&sub))
- return RET_FAIL;
- if ((victno = atoi(ptr)) < 0)
- return RET_SYN;
- if (!getship(victno, &vship))
- return RET_FAIL;
- if (!vship.shp_own)
- return RET_FAIL;
- vshipown=vship.shp_own;
- if (victno == subno) {
- pr("Shooting yourself, eh? How strange...\n");
- continue;
- }
- if (mchr[(int)vship.shp_type].m_flags & M_SUB) {
- if (!(mchr[(int)sub.shp_type].m_flags & M_SUBT)){
- pr("You can't torpedo a submarine!\n");
- continue;
- }
- }
- if ((mchr[(int)sub.shp_type].m_flags & M_SUB) == 0)
- anti_torp(sub.shp_uid,ntorping,vshipown);
- getship(sub.shp_uid,&sub);
- if (sub.shp_own == 0){
- continue;
- }
- erange = ((double)sub.shp_effic/100.0) *
- techfact(sub.shp_tech, ((double)sub.shp_frnge));
- erange = (double)roundrange(erange);
- pr("Effective torpedo range is %.1f\n", erange);
- shells -= 3;
- putvar(V_SHELL, shells, (s_char *)&sub, EF_SHIP);
- putship(sub.shp_uid,&sub);
- mcp = &mchr[(int)sub.shp_type];
- mobcost = sub.shp_effic * 0.01 * sub.shp_speed;
- mobcost = (480.0 / (mobcost + techfact(sub.shp_tech, mobcost)));
-
- /* Mob cost for a torp is equal to the cost of 1/2 sector of movement */
- mobcost /= 2.0;
- sub.shp_mobil -= mobcost;
- pr("Whooosh... ");
- getship(victno, &vship);
- vshipown = vship.shp_own;
- range = mapdist(sub.shp_x, sub.shp_y, vship.shp_x, vship.shp_y);
- hitchance = DTORP_HITCHANCE(range, sub.shp_visib);
- if (range <= erange) {
- pr("Hitchance = %d%%\n",(int)(hitchance*100));
- }
- /* Now, can the torpedo even get there? */
- if (!line_of_sight((s_char **)0, sub.shp_x, sub.shp_y,
- vship.shp_x, vship.shp_y)) {
- pr("BOOM!... Torpedo slams into land before reaching target.\n");
- /* We only tell the victim if we were within range. */
- if (range <= erange) {
- if (vshipown != 0)
- wu(0, vshipown, "Torpedo sighted @ %s by %s\n",
- xyas(sub.shp_x, sub.shp_y, vshipown),
- prship(&vship));
- }
- } else if (range > erange) {
- pr("Out of range\n");
- } else if (hitchance >= 1.0 || chance(hitchance)) {
- pr("BOOM!...\n");
- dam = TORP_DAMAGE();
- if(vshipown != 0)
- wu(0, vshipown, "%s in %s torpedoed %s for %d damage.\n", prsub(&sub),
- xyas(sub.shp_x, sub.shp_y, vshipown),
- prship(&vship), dam);
- if (vship.shp_rflags & RET_TORPED){
- retreat_ship(&vship, 't');
- shipdamage(&vship, dam);
- }else
- shipdamage(&vship, dam);
- pr("Torpedo hit %s for %d damage.\n",
- prship(&vship),
- dam);
-
- if (vship.shp_effic < SHIP_MINEFF)
- pr("%s sunk!\n",
- prship(&vship));
- putship(vship.shp_uid, &vship);
- if (mchr[(int)sub.shp_type].m_flags & M_SUB)
- nreport(vshipown, N_TORP_SHIP, 0, 1);
- else
- nreport(vshipown, N_SHIP_TORP, player->cnum, 1);
- } else {
- pr("Missed\n");
- if (vshipown != 0)
- wu(0, vshipown, "Torpedo sighted @ %s by %s\n",
- xyas(sub.shp_x, sub.shp_y, vshipown),
- prship(&vship));
- }
- sub.shp_mission=0;
- putship(sub.shp_uid, &sub);
- if (mchr[(int)sub.shp_type].m_flags & M_SUB)
- anti_torp(sub.shp_uid,ntorping,vshipown);
+ if ((mchr[(int)sub.shp_type].m_flags & M_TORP) == 0) {
+ pr("Ship # %d: A %s can't fire torpedoes!\n",
+ sub.shp_uid, mchr[(int)sub.shp_type].m_name);
+ continue;
+ }
+ if (sub.shp_item[I_GUN] == 0
+ || sub.shp_item[I_SHELL] < SHP_TORP_SHELLS) {
+ pr("Ship #%d has insufficient armament\n", sub.shp_uid);
+ continue;
+ }
+ if (sub.shp_item[I_MILIT] < 1) {
+ pr("Ship #%d has insufficient crew\n", sub.shp_uid);
+ continue;
+ }
+ if (sub.shp_effic < 60) {
+ pr("Ship #%d torpedo tubes inoperative.\n", sub.shp_uid);
+ continue;
+ }
+ if (sub.shp_mobil <= 0) {
+ pr("Ship #%d has insufficient mobility\n", sub.shp_uid);
+ continue;
+ }
+ subno = sub.shp_uid;
+ sprintf(prompt, "Ship %d, target? ", sub.shp_uid);
+ if (!(ptr = getstarg(player->argp[2], prompt, buf)))
+ return RET_SYN;
+ if (!check_ship_ok(&sub))
+ return RET_FAIL;
+ if ((victno = atoi(ptr)) < 0)
+ return RET_SYN;
+ if (!getship(victno, &vship))
+ return RET_FAIL;
+ if (!vship.shp_own)
+ return RET_FAIL;
+ vshipown = vship.shp_own;
+ if (victno == subno) {
+ pr("Shooting yourself, eh? How strange...\n");
+ continue;
+ }
+ if (mchr[(int)vship.shp_type].m_flags & M_SUB) {
+ if (!(mchr[(int)sub.shp_type].m_flags & M_SUBT)) {
+ pr("You can't torpedo a submarine!\n");
+ continue;
+ }
+ }
+ dam = shp_torp(&sub, 1);
+ sub.shp_mission = 0;
+ putship(sub.shp_uid, &sub);
+ if (CANT_HAPPEN(dam < 0)) {
+ pr("Ship #%d has insufficient armament\n", sub.shp_uid);
+ continue;
}
- return RET_OK;
-}
-
-void
-anti_torp(int f, int ntorping, int vshipown)
-{
- int range;
- double erange;
- struct shpstr sub;
- struct shpstr dd;
- int x;
-
- getship(f,&sub);
-
- if (sub.shp_own == vshipown)
- return;
if ((mchr[(int)sub.shp_type].m_flags & M_SUB) == 0)
- pr("Starting our attack run...\n");
-
- x=0;
- while (getship(x++,&dd) && sub.shp_effic >= SHIP_MINEFF){
- if (dd.shp_own == 0)
- continue;
- if (dd.shp_own != vshipown)
- continue;
- if (dd.shp_effic < 60)
- continue;
-
- if (!canshoot(&dd,&sub))
- continue;
-
- erange = techfact(dd.shp_tech,
- ((double)dd.shp_frnge))/ 2.0;
-
- erange = (double)roundrange(erange);
-
- range = mapdist(sub.shp_x, sub.shp_y, dd.shp_x, dd.shp_y);
-
- if (range > erange)
- continue;
-
- if (!line_of_sight((s_char **)0, sub.shp_x, sub.shp_y,
- dd.shp_x, dd.shp_y))
- continue;
-
- if (cantorp(&dd,&sub)){
- /* Try torping.. if we can, maybe we can fire */
- if (!fire_torp(&dd,&sub,range,ntorping))
- if (candchrg(&dd,&sub))
- fire_dchrg(&dd,&sub,range,ntorping);
- }else
- fire_dchrg(&dd,&sub,range,ntorping);
+ anti_torp(sub.shp_uid, ntorping, vshipown);
+ getship(sub.shp_uid, &sub);
+ if (sub.shp_own == 0)
+ continue;
+
+ erange = roundrange(torprange(&sub));
+ pr("Effective torpedo range is %d.0\n", erange);
+ pr("Whooosh... ");
+ getship(victno, &vship);
+ vshipown = vship.shp_own;
+ range = mapdist(sub.shp_x, sub.shp_y, vship.shp_x, vship.shp_y);
+ hitchance = shp_torp_hitchance(&sub, range);
+ if (range <= erange) {
+ pr("Hitchance = %d%%\n", (int)(hitchance * 100));
+ }
+ /* Now, can the torpedo even get there? */
+ if (!line_of_sight(NULL, sub.shp_x, sub.shp_y,
+ vship.shp_x, vship.shp_y)) {
+ pr("BOOM!... Torpedo slams into land before reaching target.\n");
+ /* We only tell the victim if we were within range. */
+ if (range <= erange) {
+ if (vshipown != 0)
+ wu(0, vshipown, "Torpedo sighted @ %s by %s\n",
+ xyas(sub.shp_x, sub.shp_y, vshipown),
+ prship(&vship));
+ }
+ } else if (range > erange) {
+ pr("Out of range\n");
+ } else if (chance(hitchance)) {
+ pr("BOOM!...\n");
+ if (vshipown != 0)
+ wu(0, vshipown, "%s in %s torpedoed %s for %d damage.\n",
+ prsub(&sub), xyas(sub.shp_x, sub.shp_y, vshipown),
+ prship(&vship), dam);
+ pr("Torpedo hit %s for %d damage.\n", prsub(&vship), dam);
+ if (!(mchr[vship.shp_type].m_flags & M_SUB)) {
+ if (mchr[sub.shp_type].m_flags & M_SUB)
+ nreport(vshipown, N_TORP_SHIP, 0, 1);
+ else
+ nreport(vshipown, N_SHIP_TORP, player->cnum, 1);
+ }
+ shipdamage(&vship, dam);
+ if (vship.shp_effic < SHIP_MINEFF)
+ pr("%s sunk!\n", prsub(&vship));
+ if (vship.shp_rflags & RET_TORPED)
+ retreat_ship(&vship, vshipown, 't');
+ putship(vship.shp_uid, &vship);
+ } else {
+ pr("Missed\n");
+ if (vshipown != 0)
+ wu(0, vshipown, "Torpedo sighted @ %s by %s\n",
+ xyas(sub.shp_x, sub.shp_y, vshipown), prship(&vship));
}
-}
-
-/* Can ship A shoot at ship B? */
-int
-canshoot(struct shpstr *a, struct shpstr *b)
-{
- /* Anyone can shoot a normal ship */
- if ((mchr[(int)b->shp_type].m_flags & M_SUB) == 0)
- return 1;
-
- /* You can depth-charge a sub */
- if (mchr[(int)a->shp_type].m_flags & M_DCH)
- return 1;
-
- /* If you have SUBT flag, you can torp a sub */
- if (mchr[(int)a->shp_type].m_flags & M_SUBT)
- return 1;
- return 0;
+ if (mchr[(int)sub.shp_type].m_flags & M_SUB)
+ anti_torp(sub.shp_uid, ntorping, vshipown);
+ }
+ return RET_OK;
}
-/* Can ship A torp ship B? */
-int
-cantorp(struct shpstr *a, struct shpstr *b)
+static void
+anti_torp(int f, int ntorping, int vshipown)
{
- if ((mchr[(int)a->shp_type].m_flags & M_TORP) == 0)
- return 0;
-
- /* Anyone with TORP flag can torp a normal ship */
- if ((mchr[(int)b->shp_type].m_flags & M_SUB) == 0)
- return 1;
+ struct shpstr sub;
+ struct shpstr dd;
+ int x;
- /* Ship b is a sub, so we need to have the SUBT flag */
- if (mchr[(int)a->shp_type].m_flags & M_SUBT)
- return 1;
+ getship(f, &sub);
- return 0;
-}
+ if (sub.shp_own == vshipown)
+ return;
-/* Can ship A depth-charge (or fire guns at) ship B? */
-int
-candchrg(struct shpstr *a, struct shpstr *b)
-{
- if ((mchr[(int)b->shp_type].m_flags & M_SUB) == 0){
- if ((mchr[(int)a->shp_type].m_flags & M_SUB) == 0)
- return 1;
+ if ((mchr[(int)sub.shp_type].m_flags & M_SUB) == 0)
+ pr("Starting our attack run...\n");
- return 0;
- }
+ x = 0;
+ while (getship(x++, &dd) && sub.shp_effic >= SHIP_MINEFF) {
+ if (dd.shp_own == 0)
+ continue;
+ if (dd.shp_own != vshipown)
+ continue;
- if ((mchr[(int)a->shp_type].m_flags & M_DCH) == 0)
- return 0;
-
- return 1;
+ if (!fire_torp(&dd, &sub, ntorping))
+ fire_dchrg(&dd, &sub, ntorping);
+ }
}
-void
-fire_dchrg(struct shpstr *sp, struct shpstr *targ, int range, int ntargets)
+static void
+fire_dchrg(struct shpstr *sp, struct shpstr *targ, int ntargets)
{
- int dam;
- int shells;
- int gun;
- double guneff;
-
- shells = getvar(V_SHELL, (s_char *)sp, EF_SHIP);
- gun = getvar(V_GUN, (s_char *)sp, EF_SHIP);
- gun = min(gun, sp->shp_glim);
- gun = min(gun, getvar(V_MILIT, (s_char *)sp, EF_SHIP)/2);
-
- shells+=supply_commod(sp->shp_own,sp->shp_x,sp->shp_y,I_SHELL,(gun+1)/2-shells);
-
- gun = min(gun, shells*2);
- if (gun == 0) return;
-
- /* ok, all set.. now, we shoot */
- shells -= ldround(((double)gun)/2.0,1);
- putvar(V_SHELL, shells, (s_char *)sp, EF_SHIP);
- putship(sp->shp_uid,sp);
-
- guneff = seagun(sp->shp_effic, gun);
- dam = (int)guneff;
-
- if ((mchr[(int)targ->shp_type].m_flags & M_SUB) == 0){
- pr_beep();
- pr("Kaboom!!! Incoming shells!\n");
- if(sp->shp_own != 0)
- wu(0, sp->shp_own,
- "%s fired at %s\n",
- prship(sp),
- prship(targ));
-
- if (ntargets > 2)
- dam /= ((float)ntargets/2.0);
- pr_beep();
- pr("BLAM! %d damage!\n", dam);
- shipdamage(targ, dam);
- putship(targ->shp_uid,targ);
- }else{
- pr("\nCAPTAIN! !!Depth charges!!...\n");
- if(sp->shp_own != 0)
- wu(0, sp->shp_own,
- "%s depth charged %s\n",
- prship(sp), prsub(targ));
-
- if (ntargets>2)
- dam /= ((float)ntargets/2.0);
-
- pr("click...WHAM! %d damage!\n", dam);
- shipdamage(targ, dam);
- putship(targ->shp_uid,targ);
- }
+ int range, erange, dam;
+
+ erange = roundrange(shp_fire_range(sp));
+ range = mapdist(sp->shp_x, sp->shp_y, targ->shp_x, targ->shp_y);
+ if (range > erange)
+ return;
+
+ if ((mchr[(int)targ->shp_type].m_flags & M_SUB) == 0) {
+ /* Return fire to a torpedo boat */
+ if (mchr[sp->shp_type].m_flags & M_SUB)
+ return; /* sub deck gun can't return fire */
+ dam = shp_fire(sp);
+ putship(sp->shp_uid, sp);
+ if (dam < 0)
+ return;
+ if (ntargets > 2)
+ dam /= ntargets / 2;
+
+ pr_beep();
+ pr("Kaboom!!! Incoming shells!\n");
+ if (sp->shp_own != 0)
+ wu(0, sp->shp_own,
+ "%s fired at %s\n", prship(sp), prship(targ));
+ pr_beep();
+ pr("BLAM! %d damage!\n", dam);
+ } else {
+ /* Return fire to a submarine */
+ dam = shp_dchrg(sp);
+ putship(sp->shp_uid, sp);
+ if (dam < 0)
+ return;
+ if (ntargets > 2)
+ dam /= ntargets / 2;
+
+ pr("\nCAPTAIN! !!Depth charges!!...\n");
+ if (sp->shp_own != 0)
+ wu(0, sp->shp_own,
+ "%s depth charged %s\n", prship(sp), prsub(targ));
+ pr("click...WHAM! %d damage!\n", dam);
+ }
+ shipdamage(targ, dam);
+ putship(targ->shp_uid, targ);
}
-int
-fire_torp(struct shpstr *sp, struct shpstr *targ, int range, int ntargets)
+static int
+fire_torp(struct shpstr *sp, struct shpstr *targ, int ntargets)
{
- extern int torpedo_damage;
- int dam;
- int shells;
- double hitchance;
- double mobcost;
- struct mchrstr *mcp;
-
- shells = getvar(V_SHELL, (s_char *)sp, EF_SHIP);
-
- if (shells < 3)
- shells += supply_commod(sp->shp_own,sp->shp_x,sp->shp_y,I_SHELL,
- 3-shells);
-
- if (getvar(V_GUN, (s_char *)sp, EF_SHIP) == 0 || shells < 3)
- return 0;
-
- if (getvar(V_MILIT, (s_char *)sp, EF_SHIP) < 1)
- return 0;
-
- if (sp->shp_effic < 60)
- return 0;
-
- if (sp->shp_mobil <= 0)
- return 0;
-
- /* All set.. fire! */
- shells -= 3;
- putvar(V_SHELL, shells, (s_char *)sp, EF_SHIP);
- putship(sp->shp_uid,sp);
+ int range, erange, dam;
- mcp = &mchr[(int)sp->shp_type];
- mobcost = sp->shp_effic * 0.01 * sp->shp_speed;
- mobcost = (480.0 / (mobcost + techfact(sp->shp_tech, mobcost)));
+ if ((mchr[targ->shp_type].m_flags & M_SUB)
+ && (mchr[sp->shp_type].m_flags & M_SUBT) == 0)
+ return 0; /* need sub-torp to torpedo a sub */
- /* Mob cost for a torp is equal to the cost of 1/2 sector of movement */
- mobcost /= 2.0;
- sp->shp_mobil -= mobcost;
-
- hitchance = DTORP_HITCHANCE(range, sp->shp_visib);
-
- pr("Captain! Torpedoes sighted!\n");
-
- if (chance(hitchance)) {
- pr("BOOM!...\n");
- if(sp->shp_own != 0)
- wu(0, sp->shp_own, "%s @ %s torpedoed %s\n",
- prship(sp),
- xyas(sp->shp_x, sp->shp_y, sp->shp_own),
- prsub(targ));
- dam = TORP_DAMAGE();
+ erange = roundrange(torprange(sp));
+ range = mapdist(sp->shp_x, sp->shp_y, targ->shp_x, targ->shp_y);
+ if (range > erange)
+ return 0;
- if (ntargets>2)
- dam /= ((float)ntargets/2.0);
+ if (!line_of_sight(NULL, sp->shp_x, sp->shp_y,
+ targ->shp_x, targ->shp_y))
+ return 0;
+ dam = shp_torp(sp, 1);
+ putship(sp->shp_uid, sp);
+ if (dam < 0)
+ return 0;
- shipdamage(targ, dam);
- putship(targ->shp_uid, targ);
+ pr("Captain! Torpedoes sighted!\n");
- if (mchr[(int)sp->shp_type].m_flags & M_SUB)
- nreport(targ->shp_own, N_TORP_SHIP, 0, 1);
- else
- nreport(targ->shp_own, N_SHIP_TORP, player->cnum, 1);
- } else {
- pr("Missed!\n");
- if(sp->shp_own != 0)
- wu(0, sp->shp_own,
- "%s missed %s with a torp at %s\n",
- prship(sp), prsub(targ),
- xyas(sp->shp_x, sp->shp_y, sp->shp_own));
+ if (chance(shp_torp_hitchance(sp, range))) {
+ pr("BOOM!...\n");
+ if (!(mchr[targ->shp_type].m_flags & M_SUB)) {
+ if (mchr[sp->shp_type].m_flags & M_SUB)
+ nreport(targ->shp_own, N_TORP_SHIP, 0, 1);
+ else
+ nreport(targ->shp_own, N_SHIP_TORP, sp->shp_own, 1);
}
-
- return 1;
+ if (sp->shp_own != 0)
+ wu(0, sp->shp_own, "%s @ %s torpedoed %s\n",
+ prship(sp),
+ xyas(sp->shp_x, sp->shp_y, sp->shp_own), prsub(targ));
+ if (ntargets > 2)
+ dam /= ntargets / 2;
+
+ shipdamage(targ, dam);
+ putship(targ->shp_uid, targ);
+
+ } else {
+ pr("Missed!\n");
+ if (sp->shp_own != 0)
+ wu(0, sp->shp_own,
+ "%s missed %s with a torpedo at %s\n",
+ prship(sp), prsub(targ),
+ xyas(sp->shp_x, sp->shp_y, sp->shp_own));
+ }
+
+ return 1;
}
-s_char *
+char *
prsub(struct shpstr *sp)
{
- if (mchr[(int)sp->shp_type].m_flags & M_SUB)
- return "sub";
- else
- return prship(sp);
+ if (mchr[(int)sp->shp_type].m_flags & M_SUB)
+ return "sub";
+ else
+ return prship(sp);
}
projects / empserver / blobdiff