/*
* Empire - A multi-player, client/server Internet based war game.
- * Copyright (C) 1986-2005, Dave Pare, Jeff Bailey, Thomas Ruschak,
+ * Copyright (C) 1986-2010, Dave Pare, Jeff Bailey, Thomas Ruschak,
* Ken Stevens, Steve McClure
*
* This program is free software; you can redistribute it and/or modify
*
* ---
*
- * 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.
*
* ---
*
* shpsub.c: Ship subroutine stuff
- *
+ *
* Known contributors to this file:
* Ken Stevens, 1995
* Steve McClure, 1996-2000
+ * Markus Armbruster, 2006-2009
*/
-#include <math.h>
-#include "misc.h"
-#include "queue.h"
-#include "player.h"
-#include "sect.h"
-#include "ship.h"
-#include "plane.h"
-#include "land.h"
-#include "news.h"
-#include "item.h"
-#include "xy.h"
-#include "nsc.h"
+#include <config.h>
+
+#include <stdlib.h>
+#include "damage.h"
#include "file.h"
-#include "nat.h"
-#include "path.h"
+#include "map.h"
+#include "misc.h"
#include "mission.h"
+#include "nsc.h"
#include "optlist.h"
-#include "damage.h"
-#include "server.h"
+#include "path.h"
+#include "player.h"
#include "prototypes.h"
+#include "queue.h"
+#include "server.h"
+#include "xy.h"
+#include "empobj.h"
+#include "unit.h"
-static int shp_check_nav(struct sctstr *);
-static int shp_check_one_mines(struct mlist *);
-static int shp_hit_mine(struct shpstr *, struct mchrstr *);
-static void shp_mess(s_char *, struct mlist *);
+static int shp_check_one_mines(struct ulist *);
+static int shp_hit_mine(struct shpstr *);
+static void shp_mess(char *, struct ulist *);
void
shp_sel(struct nstr_item *ni, struct emp_qelem *list)
-
-
- /* int wantflags;
- int nowantflags;
- */
{
struct shpstr ship;
struct mchrstr *mcp;
- struct mlist *mlp;
+ struct ulist *mlp;
emp_initque(list);
- while (nxtitem(ni, (s_char *)&ship)) {
+ while (nxtitem(ni, &ship)) {
if (!player->owner)
continue;
mcp = &mchr[(int)ship.shp_type];
- /* if (wantflags && (mcp->m_flags & wantflags) != wantflags)
- continue;
- if (nowantflags && mcp->m_flags & nowantflags)
- continue;
- */
if (opt_MARKET) {
- if (ontradingblock(EF_SHIP, (int *)&ship)) {
+ if (ontradingblock(EF_SHIP, &ship)) {
pr("ship #%d inelligible - it's for sale.\n",
ship.shp_uid);
continue;
}
}
- /* This abuse is better fixed by building a ship with the normal negative
- mobility that everything else is built with */
-/*
- if (opt_MOB_ACCESS) {
- if (ship.shp_effic < 21 &&
- ship.shp_mobil < etu_per_update) {
- pr("%s needs at least %d mob to navigate.\n",
- prship(&ship), etu_per_update);
- continue;
- }
- }
-*/
ship.shp_mission = 0;
ship.shp_rflags = 0;
memset(ship.shp_rpath, 0, sizeof(ship.shp_rpath));
putship(ship.shp_uid, &ship);
- mlp = (struct mlist *)malloc(sizeof(struct mlist));
- mlp->mcp = mcp;
- mlp->ship = ship;
- mlp->mobil = (double)ship.shp_mobil;
+ mlp = malloc(sizeof(struct ulist));
+ mlp->chrp = (struct empobj_chr *)mcp;
+ mlp->unit.ship = ship;
+ mlp->mobil = ship.shp_mobil;
emp_insque(&mlp->queue, list);
}
}
{
struct emp_qelem *qp;
struct emp_qelem *next;
- struct mlist *mlp;
+ struct ulist *mlp;
struct sctstr sect;
struct shpstr ship;
coord allx;
*togetherp = 1;
for (qp = list->q_back; qp != list; qp = next) {
next = qp->q_back;
- mlp = (struct mlist *)qp;
- getship(mlp->ship.shp_uid, &ship);
+ mlp = (struct ulist *)qp;
+ getship(mlp->unit.ship.shp_uid, &ship);
if (ship.shp_own != actor) {
mpr(actor, "%s was sunk at %s\n",
prship(&ship), xyas(ship.shp_x, ship.shp_y, actor));
emp_remque((struct emp_qelem *)mlp);
- free((s_char *)mlp);
+ free(mlp);
continue;
}
if (opt_SAIL) {
- if (*ship.shp_path && !update_pending) {
+ if (*ship.shp_path && !update_running) {
shp_mess("has a sail path", mlp);
mpr(actor, "Use `sail <#> -' to reset\n");
continue;
shp_mess("was sucked into the sky by a strange looking spaceship", mlp); /* heh -KHS */
continue;
}
- switch (shp_check_nav(§)) {
+ switch (shp_check_nav(§, &ship)) {
case CN_CONSTRUCTION:
shp_mess("is caught in a construction zone", mlp);
continue;
case CN_LANDLOCKED:
shp_mess("is landlocked", mlp);
- break;
+ continue;
case CN_NAVIGABLE:
break;
case CN_ERROR:
if (ship.shp_x != allx || ship.shp_y != ally)
*togetherp = 0;
if (ship.shp_mobil + 1 < (int)mlp->mobil) {
- mlp->mobil = (double)ship.shp_mobil;
+ mlp->mobil = ship.shp_mobil;
}
if (mlp->mobil < *minmobp)
*minmobp = mlp->mobil;
if (mlp->mobil > *maxmobp)
*maxmobp = mlp->mobil;
- mlp->ship = ship;
- }
-}
-
-void
-shp_put(struct emp_qelem *list, natid actor)
-{
- struct emp_qelem *qp;
- struct emp_qelem *newqp;
- struct mlist *mlp;
-
- qp = list->q_back;
- while (qp != list) {
- mlp = (struct mlist *)qp;
- mpr(actor, "%s stopped at %s\n", prship(&mlp->ship),
- xyas(mlp->ship.shp_x, mlp->ship.shp_y, mlp->ship.shp_own));
- mlp->ship.shp_mobil = (int)mlp->mobil;
- putship(mlp->ship.shp_uid, &mlp->ship);
- newqp = qp->q_back;
- emp_remque(qp);
- free((s_char *)qp);
- qp = newqp;
+ mlp->unit.ship = ship;
}
}
int
-shp_sweep(struct emp_qelem *ship_list, int verbose, natid actor)
+shp_sweep(struct emp_qelem *ship_list, int verbose, int takemob, natid actor)
{
struct emp_qelem *qp;
struct emp_qelem *next;
- struct mlist *mlp;
+ struct ulist *mlp;
struct sctstr sect;
int mines, m, max, shells;
int changed = 0;
int stopping = 0;
- double mobcost;
for (qp = ship_list->q_back; qp != ship_list; qp = next) {
next = qp->q_back;
- mlp = (struct mlist *)qp;
- if (!(mlp->mcp->m_flags & M_SWEEP)) {
+ mlp = (struct ulist *)qp;
+ if (!(((struct mchrstr *)mlp->chrp)->m_flags & M_SWEEP)) {
if (verbose)
mpr(actor, "%s doesn't have minesweeping capability!\n",
- prship(&mlp->ship));
+ prship(&mlp->unit.ship));
continue;
}
- if (mlp->mobil <= 0.0) {
+ if (takemob && mlp->mobil <= 0.0) {
if (verbose)
- mpr(actor, "%s is out of mobility!\n", prship(&mlp->ship));
+ mpr(actor, "%s is out of mobility!\n",
+ prship(&mlp->unit.ship));
continue;
}
- getsect(mlp->ship.shp_x, mlp->ship.shp_y, §);
+ getsect(mlp->unit.ship.shp_x, mlp->unit.ship.shp_y, §);
if (sect.sct_type != SCT_WATER) {
if (verbose)
mpr(actor, "%s is not at sea. No mines there!\n",
- prship(&mlp->ship));
+ prship(&mlp->unit.ship));
continue;
}
- mobcost = mlp->ship.shp_effic * 0.01 * mlp->ship.shp_speed;
- mobcost = 480.0 / (mobcost +
- techfact(mlp->ship.shp_tech, mobcost));
- mlp->mobil -= mobcost;
- mlp->ship.shp_mobil = (int)mlp->mobil;
- putship(mlp->ship.shp_uid, &mlp->ship);
+ if (takemob) {
+ mlp->mobil -= shp_mobcost(&mlp->unit.ship);
+ mlp->unit.ship.shp_mobil = (int)mlp->mobil;
+ }
+ putship(mlp->unit.ship.shp_uid, &mlp->unit.ship);
if (!(mines = sect.sct_mines))
continue;
- max = mlp->mcp->m_item[I_SHELL];
- shells = mlp->ship.shp_item[I_SHELL];
+ max = ((struct mchrstr *)mlp->chrp)->m_item[I_SHELL];
+ shells = mlp->unit.ship.shp_item[I_SHELL];
for (m = 0; mines > 0 && m < 5; m++) {
if (chance(0.66)) {
mpr(actor, "Sweep...\n");
mines--;
- shells = min(max, shells + 1);
+ shells = MIN(max, shells + 1);
changed |= map_set(actor, sect.sct_x, sect.sct_y, 'X', 0);
}
}
sect.sct_mines = mines;
- mlp->ship.shp_item[I_SHELL] = shells;
+ mlp->unit.ship.shp_item[I_SHELL] = shells;
+ putship(mlp->unit.ship.shp_uid, &mlp->unit.ship);
+ putsect(§);
if (shp_check_one_mines(mlp)) {
stopping = 1;
emp_remque(qp);
- free((s_char *)qp);
+ free(qp);
}
- putship(mlp->ship.shp_uid, &mlp->ship);
- putsect(§);
}
if (changed)
writemap(actor);
}
static int
-shp_check_one_mines(struct mlist *mlp)
+shp_check_one_mines(struct ulist *mlp)
{
struct sctstr sect;
- int changed = 0;
int actor;
- getsect(mlp->ship.shp_x, mlp->ship.shp_y, §);
+ getsect(mlp->unit.ship.shp_x, mlp->unit.ship.shp_y, §);
if (sect.sct_type != SCT_WATER)
return 0;
if (!sect.sct_mines)
return 0;
if (chance(DMINE_HITCHANCE(sect.sct_mines))) {
- actor = mlp->ship.shp_own;
- shp_hit_mine(&mlp->ship, mlp->mcp);
+ actor = mlp->unit.ship.shp_own;
+ shp_hit_mine(&mlp->unit.ship);
sect.sct_mines--;
- changed |= map_set(actor, sect.sct_x, sect.sct_y, 'X', 0);
- if (changed)
+ if (map_set(actor, sect.sct_x, sect.sct_y, 'X', 0))
writemap(actor);
putsect(§);
- putship(mlp->ship.shp_uid, (s_char *)&mlp->ship);
- if (!mlp->ship.shp_own)
+ putship(mlp->unit.ship.shp_uid, &mlp->unit.ship);
+ if (!mlp->unit.ship.shp_own)
return 1;
}
return 0;
{
struct emp_qelem *qp;
struct emp_qelem *next;
- struct mlist *mlp;
+ struct ulist *mlp;
int stopping = 0;
for (qp = ship_list->q_back; qp != ship_list; qp = next) {
next = qp->q_back;
- mlp = (struct mlist *)qp;
+ mlp = (struct ulist *)qp;
if (shp_check_one_mines(mlp)) {
stopping = 1;
emp_remque(qp);
- free((s_char *)qp);
+ free(qp);
}
}
return stopping;
}
-void
-shp_list(struct emp_qelem *ship_list)
-{
- struct emp_qelem *qp;
- struct emp_qelem *next;
- struct mlist *mlp;
- struct shpstr *shp;
-
- pr("shp# ship type x,y fl eff mil sh gun pn he xl ln mob tech\n");
-
- for (qp = ship_list->q_back; qp != ship_list; qp = next) {
- next = qp->q_back;
- mlp = (struct mlist *)qp;
- shp = &mlp->ship;
- pr("%4d ", shp->shp_uid);
- pr("%-16.16s ", mlp->mcp->m_name);
- prxy("%4d,%-4d ", shp->shp_x, shp->shp_y, mlp->ship.shp_own);
- pr("%1c", shp->shp_fleet);
- pr("%4d%%", shp->shp_effic);
- pr("%4d", shp->shp_item[I_MILIT]);
- pr("%4d", shp->shp_item[I_SHELL]);
- pr("%4d", shp->shp_item[I_GUN]);
- count_planes(shp);
- pr("%3d", shp->shp_nplane);
- pr("%3d", shp->shp_nchoppers);
- pr("%3d", shp->shp_nxlight);
- count_units(shp);
- pr("%3d", shp->shp_nland);
- pr("%4d", shp->shp_mobil);
- pr("%4d\n", shp->shp_tech);
- }
-}
static void
-shp_mess(s_char *str, struct mlist *mlp)
+shp_mess(char *str, struct ulist *mlp)
{
- mpr(mlp->ship.shp_own, "%s %s & stays in %s\n",
- prship(&mlp->ship),
- str, xyas(mlp->ship.shp_x, mlp->ship.shp_y, mlp->ship.shp_own));
- mlp->ship.shp_mobil = (int)mlp->mobil;
- putship(mlp->ship.shp_uid, &mlp->ship);
+ mpr(mlp->unit.ship.shp_own, "%s %s & stays in %s\n",
+ prship(&mlp->unit.ship),
+ str, xyas(mlp->unit.ship.shp_x, mlp->unit.ship.shp_y,
+ mlp->unit.ship.shp_own));
+ mlp->unit.ship.shp_mobil = (int)mlp->mobil;
+ putship(mlp->unit.ship.shp_uid, &mlp->unit.ship);
emp_remque((struct emp_qelem *)mlp);
- free((s_char *)mlp);
+ free(mlp);
}
-static int
-shp_check_nav(struct sctstr *sect)
+int
+shp_check_nav(struct sctstr *sect, struct shpstr *shp)
{
- switch (dchr[sect->sct_type].d_flg & 03) {
+ switch (dchr[sect->sct_type].d_nav) {
case NAVOK:
break;
-
+ case NAV_CANAL:
+ if (mchr[(int)shp->shp_type].m_flags & M_CANAL) {
+ if (sect->sct_effic < 2)
+ return CN_CONSTRUCTION;
+ } else
+ return CN_LANDLOCKED;
+ break;
case NAV_02:
if (sect->sct_effic < 2)
return CN_CONSTRUCTION;
return CN_NAVIGABLE;
}
+int
+sect_has_dock(struct sctstr *sect)
+{
+ switch (dchr[sect->sct_type].d_nav) {
+ case NAV_02:
+ case NAV_CANAL:
+ return 1;
+ default:
+ return 0;
+ }
+}
+
static int
-shp_count(struct emp_qelem *list, int wantflags, int nowantflags, int x,
- int y)
+shp_count(struct emp_qelem *list, int wantflags, int nowantflags,
+ int x, int y)
{
struct emp_qelem *qp;
struct emp_qelem *next;
- struct mlist *mlp;
+ struct ulist *mlp;
int count = 0;
for (qp = list->q_back; qp != list; qp = next) {
next = qp->q_back;
- mlp = (struct mlist *)qp;
- if (mlp->ship.shp_x != x || mlp->ship.shp_y != y)
+ mlp = (struct ulist *)qp;
+ if (mlp->unit.ship.shp_x != x || mlp->unit.ship.shp_y != y)
continue;
- if (wantflags && (mlp->mcp->m_flags & wantflags) != wantflags)
+ if (wantflags &&
+ (((struct mchrstr *)mlp->chrp)->m_flags & wantflags) != wantflags)
continue;
- if (nowantflags && mlp->mcp->m_flags & nowantflags)
+ if (nowantflags &&
+ ((struct mchrstr *)mlp->chrp)->m_flags & nowantflags)
continue;
++count;
}
}
static void
-shp_damage_one(struct mlist *mlp, int dam)
+shp_damage_one(struct ulist *mlp, int dam)
{
- shipdamage(&mlp->ship, dam);
- putship(mlp->ship.shp_uid, &mlp->ship);
- if (!mlp->ship.shp_own) {
+ shipdamage(&mlp->unit.ship, dam);
+ putship(mlp->unit.ship.shp_uid, &mlp->unit.ship);
+ if (!mlp->unit.ship.shp_own) {
emp_remque((struct emp_qelem *)mlp);
- free((s_char *)mlp);
+ free(mlp);
}
}
{
struct emp_qelem *qp;
struct emp_qelem *next;
- struct mlist *mlp;
+ struct ulist *mlp;
int dam;
int count;
if (!totdam
|| !(count = shp_count(list, wantflags, nowantflags, x, y)))
return 0;
- dam = ldround(((double)totdam / (double)count), 1);
+ dam = ldround((double)totdam / count, 1);
for (qp = list->q_back; qp != list; qp = next) {
next = qp->q_back;
- mlp = (struct mlist *)qp;
- if (mlp->ship.shp_x != x || mlp->ship.shp_y != y)
+ mlp = (struct ulist *)qp;
+ if (mlp->unit.ship.shp_x != x || mlp->unit.ship.shp_y != y)
continue;
- if (wantflags && (mlp->mcp->m_flags & wantflags) != wantflags)
+ if (wantflags &&
+ (((struct mchrstr *)mlp->chrp)->m_flags & wantflags) != wantflags)
continue;
- if (nowantflags && mlp->mcp->m_flags & nowantflags)
+ if (nowantflags &&
+ ((struct mchrstr *)mlp->chrp)->m_flags & nowantflags)
continue;
shp_damage_one(mlp, dam);
}
{
struct emp_qelem *qp;
struct emp_qelem *next;
- struct mlist *mlp;
+ struct ulist *mlp;
for (qp = list->q_back; qp != list; qp = next) {
next = qp->q_back;
- mlp = (struct mlist *)qp;
+ mlp = (struct ulist *)qp;
/* If the ship isn't in the requested sector, then continue */
- if (newx != mlp->ship.shp_x || newy != mlp->ship.shp_y)
+ if (newx != mlp->unit.ship.shp_x || newy != mlp->unit.ship.shp_y)
continue;
- if (wantflags && (mlp->mcp->m_flags & wantflags) != wantflags)
+ if (wantflags &&
+ (((struct mchrstr *)mlp->chrp)->m_flags & wantflags) != wantflags)
continue;
- if (nowantflags && mlp->mcp->m_flags & nowantflags)
+ if (nowantflags &&
+ ((struct mchrstr *)mlp->chrp)->m_flags & nowantflags)
continue;
return 1;
}
return 0;
}
-static struct mlist *
-most_valuable_ship(struct emp_qelem *list)
+static struct ulist *
+most_valuable_ship(struct emp_qelem *list, coord x, coord y)
{
struct emp_qelem *qp;
struct emp_qelem *next;
- struct mlist *mlp;
- struct mlist *mvs = 0;
+ struct ulist *mlp;
+ struct ulist *mvs = NULL;
for (qp = list->q_back; qp != list; qp = next) {
next = qp->q_back;
- mlp = (struct mlist *)qp;
- if (mlp->mcp->m_flags & M_SUB)
+ mlp = (struct ulist *)qp;
+ if (mlp->unit.ship.shp_x != x || mlp->unit.ship.shp_y != y)
+ continue;
+ if (((struct mchrstr *)mlp->chrp)->m_flags & M_SUB)
continue;
- if (!mlp->mcp->m_nxlight &&
- !mlp->mcp->m_nchoppers &&
- mlp->mcp->m_cost < 1000 &&
- !mlp->mcp->m_nplanes && !mlp->mcp->m_nland)
+ if (!((struct mchrstr *)mlp->chrp)->m_nxlight &&
+ !((struct mchrstr *)mlp->chrp)->m_nchoppers &&
+ ((struct mchrstr *)mlp->chrp)->m_cost < 1000 &&
+ !((struct mchrstr *)mlp->chrp)->m_nplanes &&
+ !((struct mchrstr *)mlp->chrp)->m_nland)
continue;
if (!mvs) {
mvs = mlp;
continue;
}
- if (mlp->mcp->m_cost * mlp->ship.shp_effic >
- mvs->mcp->m_cost * mvs->ship.shp_effic)
+ if (((struct mchrstr *)mlp->chrp)->m_cost * mlp->unit.ship.shp_effic >
+ ((struct mchrstr *)mlp->chrp)->m_cost * mvs->unit.ship.shp_effic)
mvs = mlp;
}
return mvs;
{
struct emp_qelem *qp;
struct emp_qelem *next;
- struct mlist *mlp;
+ struct ulist *mlp;
int hard;
int easiest = 9876; /* things start great for victim */
int count = 0;
for (qp = list->q_back; qp != list; qp = next) {
next = qp->q_back;
- mlp = (struct mlist *)qp;
- if (wantflags && (mlp->mcp->m_flags & wantflags) != wantflags)
+ mlp = (struct ulist *)qp;
+ if (wantflags &&
+ (((struct mchrstr *)mlp->chrp)->m_flags & wantflags) != wantflags)
continue;
- if (nowantflags && mlp->mcp->m_flags & nowantflags)
+ if (nowantflags &&
+ ((struct mchrstr *)mlp->chrp)->m_flags & nowantflags)
continue;
- hard = shp_hardtarget(&mlp->ship);
+ hard = shp_hardtarget(&mlp->unit.ship);
if (hard < easiest)
easiest = hard; /* things get worse for victim */
++count;
shp_missile_interdiction(struct emp_qelem *list, coord newx, coord newy,
natid victim)
{
- int dam;
- int twotries;
+ int dam, sublaunch;
int stopping = 0;
struct emp_qelem msl_list, *qp, *newqp;
- struct mlist *mvs;
- s_char what[512];
+ struct plist *plp;
+ struct ulist *mvs;
+
+ mvs = most_valuable_ship(list, newx, newy);
+ if (!mvs)
+ return 0;
msl_sel(&msl_list, newx, newy, victim, P_T | P_MAR, 0, MI_INTERDICT);
- twotries = 0;
- while (!QEMPTY(&msl_list) && (mvs = most_valuable_ship(list))) {
- sprintf(what, "%s", prship(&mvs->ship));
- dam = msl_launch_mindam(&msl_list, newx, newy,
- shp_hardtarget(&mvs->ship),
- EF_SHIP, 1, what, victim, MI_INTERDICT);
- if (dam) {
- mpr(victim,
- "missile interdiction mission does %d damage to %s!\n",
- dam, what);
- shp_damage_one(mvs, dam);
- twotries = 0;
- stopping |= 1;
- } else if (++twotries >= 2) {
- break;
+ for (qp = msl_list.q_back; qp != &msl_list; qp = newqp) {
+ newqp = qp->q_back;
+ plp = (struct plist *)qp;
+
+ if (mvs && mission_pln_equip(plp, NULL, 'p') >= 0) {
+ if (msl_launch(&plp->plane, EF_SHIP, prship(&mvs->unit.ship),
+ newx, newy, victim, &sublaunch) < 0)
+ goto use_up_msl;
+ stopping = 1;
+ if (msl_hit(&plp->plane,
+ shp_hardtarget(&mvs->unit.ship), EF_SHIP,
+ N_SHP_MISS, N_SHP_SMISS, sublaunch, victim)) {
+ dam = pln_damage(&plp->plane, 'p', 1);
+ if (dam) {
+ mpr(victim,
+ "missile interdiction mission does %d damage to %s!\n",
+ dam, prship(&mvs->unit.ship));
+ shp_damage_one(mvs, dam);
+ }
+ } else {
+ dam = pln_damage(&plp->plane, 'p', 0);
+ collateral_damage(newx, newy, dam);
+ }
+ mvs = most_valuable_ship(list, newx, newy);
+ use_up_msl:
+ plp->plane.pln_effic = 0;
+ putplane(plp->plane.pln_uid, &plp->plane);
}
- }
- qp = msl_list.q_forw;
- while (qp != msl_list.q_forw) {
- newqp = qp->q_forw;
emp_remque(qp);
free(qp);
- qp = newqp;
}
return stopping;
{
struct emp_qelem *qp;
struct emp_qelem *next;
- struct mlist *mlp;
+ struct ulist *mlp;
struct natstr *natp;
int vrange;
if (vrange < trange)
return 0;
- /* We got here, so we could theoretically see the ship. Now,
- * do we want to see it in our telebox? If not, return positive
- * since we could see the ship and want forts to fire. */
- if (!(natp->nat_flags & NF_COASTWATCH))
- return 1;
-
for (qp = list->q_back; qp != list; qp = next) {
next = qp->q_back;
- mlp = (struct mlist *)qp;
- if (mlp->mcp->m_flags & M_SUB)
+ mlp = (struct ulist *)qp;
+ if (((struct mchrstr *)mlp->chrp)->m_flags & M_SUB)
continue;
- wu(0, sectp->sct_own,
- "%s %s sighted at %s\n",
- cname(mlp->ship.shp_own),
- prship(&mlp->ship),
- xyas(mlp->ship.shp_x, mlp->ship.shp_y, sectp->sct_own));
- if (opt_HIDDEN) {
- setcont(sectp->sct_own, mlp->ship.shp_own, FOUND_LOOK);
- }
+ if (natp->nat_flags & NF_COASTWATCH)
+ wu(0, sectp->sct_own,
+ "%s %s sighted at %s\n",
+ cname(mlp->unit.ship.shp_own),
+ prship(&mlp->unit.ship),
+ xyas(mlp->unit.ship.shp_x, mlp->unit.ship.shp_y,
+ sectp->sct_own));
+ if (opt_HIDDEN)
+ setcont(sectp->sct_own, mlp->unit.ship.shp_own, FOUND_COAST);
}
return 1;
{
struct nstr_sect ns;
struct sctstr fsect;
- int trange;
- double range, range2, guneff;
- int shell, gun;
+ int trange, range;
int dam;
+ int stopping = 0;
int totdam = 0;
- s_char notified[MAXNOC];
+ signed char notified[MAXNOC];
int i;
/* Inform neutral and worse */
while (nxtsct(&ns, &fsect)) {
if (!notified[fsect.sct_own])
continue;
- if (fsect.sct_type != SCT_FORTR)
- continue;
- gun = fsect.sct_item[I_GUN];
- if (gun < 1)
- continue;
- range = tfactfire(fsect.sct_own, (double)min(gun, 7));
- if (fsect.sct_effic > 59)
- range++;
- range2 = roundrange(range);
+ range = roundrange(fortrange(&fsect));
trange = mapdist(newx, newy, fsect.sct_x, fsect.sct_y);
- if (trange > range2)
- continue;
- if (fsect.sct_item[I_MILIT] < 5)
- continue;
- shell = fsect.sct_item[I_SHELL];
- if (shell < 1)
- shell += supply_commod(fsect.sct_own,
- fsect.sct_x, fsect.sct_y, I_SHELL, 1);
- if (shell < 1)
+ if (trange > range)
continue;
- shell--;
- fsect.sct_item[I_SHELL] = shell;
+ dam = fort_fire(&fsect);
putsect(&fsect);
- if (gun > 7)
- gun = 7;
- guneff = landgun((int)fsect.sct_effic, gun);
- dam = (int)guneff;
+ if (dam < 0)
+ continue;
+ stopping = 1;
totdam += dam;
mpr(victim, "Incoming fire does %d damage!\n", dam);
-/*
- mpr(victim, "%s fires at you for %d!\n",
- xyas(fsect.sct_x,fsect.sct_y,victim),
- dam);
-*/
+#if 0
+ mpr(victim, "%s fires at you for %d!\n",
+ xyas(fsect.sct_x,fsect.sct_y,victim),
+ dam);
+#endif
wu(0, fsect.sct_own,
"%s fires at %s ships in %s for %d!\n",
xyas(fsect.sct_x, fsect.sct_y,
nreport(fsect.sct_own, N_SHP_SHELL, victim, 1);
}
if (totdam > 0)
- return shp_damage(list, totdam, 0, M_SUB, newx, newy);
- return 0;
+ shp_damage(list, totdam, 0, M_SUB, newx, newy);
+ return stopping;
+}
+
+static int
+shp_mission_interdiction(struct emp_qelem *list, coord x, coord y,
+ natid victim, int subs)
+{
+ char *what = subs ? "subs" : "ships";
+ int wantflags = subs ? M_SUB : 0;
+ int nowantflags = subs ? 0 : M_SUB;
+ int mission = subs ? MI_SINTERDICT : MI_INTERDICT;
+ int dam;
+
+ dam = unit_interdict(x, y, victim, what,
+ shp_easiest_target(list, wantflags, nowantflags),
+ mission);
+ if (dam >= 0)
+ shp_damage(list, dam, wantflags, nowantflags, x, y);
+ return dam >= 0;
}
static int
stopping |= shp_fort_interdiction(list, newx, newy, victim);
if (shp_contains(list, newx, newy, 0, M_SUB)) {
- stopping |=
- shp_damage(list,
- unit_interdict(newx, newy, victim, "ships",
- shp_easiest_target(list, 0, M_SUB),
- MI_INTERDICT),
- 0, M_SUB, newx, newy);
- if (most_valuable_ship(list)) {
- stopping |=
- shp_missile_interdiction(list, newx, newy, victim);
- }
+ stopping |= shp_mission_interdiction(list, newx, newy, victim, 0);
+ stopping |= shp_missile_interdiction(list, newx, newy, victim);
}
}
- if (shp_contains(list, newx, newy, M_SUB, 0)) {
- stopping |=
- shp_damage(list,
- unit_interdict(newx, newy, victim, "subs",
- shp_easiest_target(list, M_SUB, 0),
- MI_SINTERDICT),
- M_SUB, 0, newx, newy);
- }
+ if (shp_contains(list, newx, newy, M_SUB, 0))
+ stopping |= shp_mission_interdiction(list, newx, newy, victim, 1);
return stopping;
}
int vis, onsea;
struct mchrstr *mcp = mchr + sp->shp_type;
- vis = sp->shp_visib;
+ vis = shp_visib(sp);
getsect(sp->shp_x, sp->shp_y, §);
- onsea = (sect.sct_type == SCT_WATER);
+ onsea = sect.sct_type == SCT_WATER;
if (mcp->m_flags & M_SUB)
vis *= 4;
- return (int)(((double)sp->shp_effic / 100.0) *
- (20 + (double)sp->shp_speed * onsea / 2.0 - vis));
+ return (int)((sp->shp_effic / 100.0) *
+ (20 + shp_speed(sp) * onsea / 2.0 - vis));
}
static int
-shp_hit_mine(struct shpstr *sp, struct mchrstr *mcp)
+shp_hit_mine(struct shpstr *sp)
{
double m;
nreport(sp->shp_own, N_HIT_MINE, 0, 1);
- m = 22.0 + (double)(random() % 21);
- if (mcp->m_flags & M_SWEEP)
+ m = MINE_DAMAGE();
+ if (mchr[sp->shp_uid].m_flags & M_SWEEP)
m /= 2.0;
shipdamage(sp, ldround(m, 1));
return (int)m;
}
-void
-shp_view(struct emp_qelem *list)
-{
- struct sctstr sect;
- struct emp_qelem *qp;
- struct emp_qelem *next;
- struct mlist *mlp;
-
- for (qp = list->q_back; qp != list; qp = next) {
- next = qp->q_back;
- mlp = (struct mlist *)qp;
- getsect(mlp->ship.shp_x, mlp->ship.shp_y, §);
- if (mlp->mcp->m_flags & M_FOOD)
- mpr(mlp->ship.shp_own, "[fert:%d] ", sect.sct_fertil);
- if (mlp->mcp->m_flags & M_OIL)
- mpr(mlp->ship.shp_own, "[oil:%d] ", sect.sct_oil);
- mpr(mlp->ship.shp_own, "%s @ %s %d%% %s\n",
- prship(&mlp->ship),
- xyas(mlp->ship.shp_x, mlp->ship.shp_y, player->cnum),
- sect.sct_effic, dchr[sect.sct_type].d_name);
- }
-}
-
int
shp_nav_one_sector(struct emp_qelem *list, int dir, natid actor,
int together)
struct sctstr sect;
struct emp_qelem *qp;
struct emp_qelem *next;
- struct mlist *mlp;
+ struct ulist *mlp;
struct emp_qelem done;
coord dx;
coord dy;
double mobcost;
double tech; /* for mapping */
double tf; /* for mapping */
- s_char dp[80];
+ char dp[80];
+ int navigate;
if (dir <= DIR_STOP || dir >= DIR_VIEW) {
- shp_put(list, actor);
+ unit_put(list, actor);
return 1;
}
dx = diroff[dir][0];
dy = diroff[dir][1];
for (qp = list->q_back; qp != list; qp = next) {
next = qp->q_back;
- mlp = (struct mlist *)qp;
- newx = xnorm(mlp->ship.shp_x + dx);
- newy = ynorm(mlp->ship.shp_y + dy);
+ mlp = (struct ulist *)qp;
+ newx = xnorm(mlp->unit.ship.shp_x + dx);
+ newy = ynorm(mlp->unit.ship.shp_y + dy);
getsect(newx, newy, §);
- if (shp_check_nav(§) != CN_NAVIGABLE ||
+ navigate = shp_check_nav(§, &mlp->unit.ship);
+ if (navigate != CN_NAVIGABLE ||
(sect.sct_own && actor != sect.sct_own &&
getrel(getnatp(sect.sct_own), actor) < FRIENDLY)) {
- if (together) {
- mpr(actor, "can't go to %s\n", xyas(newx, newy, actor));
- return 2;
- } else {
- sprintf(dp, "can't go to %s", xyas(newx, newy, actor));
- shp_mess(dp, mlp);
- continue;
- }
- }
- if (opt_BIG_CITY && sect.sct_type == SCT_CAPIT) {
- if (mlp->mcp->m_lcm + 2 * mlp->mcp->m_hcm >= 60) {
+ if (dchr[sect.sct_type].d_nav == NAV_CANAL &&
+ !(((struct mchrstr *)mlp->chrp)->m_flags & M_CANAL) &&
+ navigate == CN_LANDLOCKED)
sprintf(dp,
"is too large to fit into the canal system at %s",
xyas(newx, newy, actor));
+ else
+ sprintf(dp, "can't go to %s", xyas(newx, newy, actor));
+ if (together) {
+ mpr(actor, "%s\n", dp);
+ return 2;
+ } else {
shp_mess(dp, mlp);
continue;
}
}
+
if (mlp->mobil <= 0.0) {
shp_mess("is out of mobility", mlp);
continue;
}
- mobcost = mlp->ship.shp_effic * 0.01 * mlp->ship.shp_speed;
- mobcost = 480.0 /
- (mobcost + techfact(mlp->ship.shp_tech, mobcost));
- mlp->ship.shp_x = newx;
- mlp->ship.shp_y = newy;
+ mobcost = shp_mobcost(&mlp->unit.ship);
+ mlp->unit.ship.shp_x = newx;
+ mlp->unit.ship.shp_y = newy;
if (mlp->mobil - mobcost < -127) {
mlp->mobil = -127;
} else {
mlp->mobil -= mobcost;
}
- mlp->ship.shp_mobil = (int)mlp->mobil;
- putship(mlp->ship.shp_uid, &mlp->ship);
+ mlp->unit.ship.shp_mobil = (int)mlp->mobil;
+ putship(mlp->unit.ship.shp_uid, &mlp->unit.ship);
/* Now update the map for this ship */
- tech = techfact(mlp->ship.shp_tech, (double)mlp->mcp->m_vrnge);
- if (mlp->mcp->m_flags & M_SONAR)
- tf = techfact(mlp->ship.shp_tech, 1.0);
+ tech = techfact(mlp->unit.ship.shp_tech,
+ ((struct mchrstr *)mlp->chrp)->m_vrnge);
+ if (((struct mchrstr *)mlp->chrp)->m_flags & M_SONAR)
+ tf = techfact(mlp->unit.ship.shp_tech, 1.0);
else
tf = 0.0;
- radmapupd(mlp->ship.shp_own, mlp->ship.shp_x, mlp->ship.shp_y,
- (int)mlp->ship.shp_effic, (int)tech, tf);
+ radmapupd(mlp->unit.ship.shp_own,
+ mlp->unit.ship.shp_x, mlp->unit.ship.shp_y,
+ (int)mlp->unit.ship.shp_effic, (int)tech, tf);
}
if (QEMPTY(list))
return stopping;
- stopping |= shp_sweep(list, 0, actor);
+ stopping |= shp_sweep(list, 0, 0, actor);
if (QEMPTY(list))
return stopping;
stopping |= shp_check_mines(list);
/* interdict ships sector by sector */
emp_initque(&done);
while (!QEMPTY(list)) {
- mlp = (struct mlist *)list->q_back;
- newx = mlp->ship.shp_x;
- newy = mlp->ship.shp_y;
+ mlp = (struct ulist *)list->q_back;
+ newx = mlp->unit.ship.shp_x;
+ newy = mlp->unit.ship.shp_y;
stopping |= shp_interdict(list, newx, newy, actor);
/* move survivors in this sector to done */
for (qp = list->q_back; qp != list; qp = next) {
next = qp->q_back;
- mlp = (struct mlist *)qp;
- if (mlp->ship.shp_x == newx && mlp->ship.shp_y == newy) {
+ mlp = (struct ulist *)qp;
+ if (mlp->unit.ship.shp_x == newx &&
+ mlp->unit.ship.shp_y == newy) {
emp_remque(qp);
emp_insque(qp, &done);
}
}
/*
- * shp_miss_defence
- * Check for incoming missiles with a P_MAR flag.
+ * shp_miss_defence
+ * Check for incoming missiles with a P_MAR flag.
* Return True=1 if the missile was shotdown.
* Or False=0
- *
+ *
* Chad Zabel, July 95
*/
struct nstr_item ni;
struct shpstr ship;
int hitchance;
- int shell;
double gun, eff, teff;
snxtitem_dist(&ni, EF_SHIP, dx, dy, 1);
if (ship.shp_effic < 60)
continue;
- shell = ship.shp_item[I_SHELL];
if (ship.shp_item[I_MILIT] < 1) /* do we have mil? */
continue;
- if (shell < 2) { /* do we need shells */
- shell += supply_commod(ship.shp_own, ship.shp_x, ship.shp_y,
- I_SHELL, 2);
- if (shell < 2)
- continue;
- }
if (ship.shp_item[I_GUN] < 1) /* we need at least 1 gun */
continue;
+ if (!shp_supply(&ship, I_SHELL, 2))
+ continue;
+ ship.shp_item[I_SHELL] -= 2;
+ putship(ship.shp_uid, &ship);
/* now calculate the odds */
- gun = min(ship.shp_item[I_GUN], ship.shp_glim);
- eff = (double)ship.shp_effic / 100.0;
- teff =
- (((double)ship.shp_tech) / (((double)ship.shp_tech) + 200.0));
+ gun = shp_usable_guns(&ship);
+ eff = ship.shp_effic / 100.0;
+ teff = ship.shp_tech / (ship.shp_tech + 200.0);
/* raise 4.5 for better interception -KHS */
hitchance = (int)(gun * eff * teff * 4.5) - hardtarget;
if (hitchance < 0)
mpr(ship.shp_own, "Ship #%i anti-missile system activated!\n",
ship.shp_uid);
mpr(ship.shp_own, "%d%% hitchance...", hitchance);
- /* use ammo */
- ship.shp_item[I_SHELL] = shell - 2;
- putship(ship.shp_uid, &ship);
if (roll(100) <= hitchance) {
mpr(bombown, "KABOOOM!! Missile destroyed\n\n");
return 0; /* all attempts failed */
}
-s_char *
-shp_path(int together, struct shpstr *shp, s_char *buf)
-{
- coord destx;
- coord desty;
- struct sctstr d_sect;
- s_char *cp;
-
- if (!sarg_xy(buf, &destx, &desty))
- return 0;
- if (!together) {
- mpr(shp->shp_own,
- "Cannot go to a destination sector if not all starting in the same sector\n");
- return 0;
- }
- if (!getsect(destx, desty, &d_sect)) {
- mpr(shp->shp_own, "%d,%d is not a sector\n", destx, desty);
- return 0;
- }
-
- cp = (s_char *)BestShipPath(buf, shp->shp_x, shp->shp_y,
- d_sect.sct_x, d_sect.sct_y, player->cnum);
- if (!cp || shp->shp_mobil <= 0) {
- mpr(shp->shp_own, "Can't get to '%s' right now.\n",
- xyas(d_sect.sct_x, d_sect.sct_y, player->cnum));
- return 0;
- }
- return cp;
-}
/* Fire missiles at a ship which has fired shells */
void
shp_missdef(struct shpstr *sp, natid victim)
{
struct emp_qelem list;
- struct mlist *mlp;
+ struct ulist *mlp;
int eff;
- s_char buf[512];
+ char buf[512];
emp_initque(&list);
- mlp = (struct mlist *)malloc(sizeof(struct mlist));
- mlp->mcp = &mchr[(int)sp->shp_type];
- mlp->ship = *sp;
- mlp->mobil = (double)sp->shp_mobil;
+ mlp = malloc(sizeof(struct ulist));
+ mlp->chrp = (struct empobj_chr *)&mchr[(int)sp->shp_type];
+ mlp->unit.ship = *sp;
+ mlp->mobil = sp->shp_mobil;
emp_insque(&mlp->queue, &list);
- sprintf(buf, "%s", prship(&mlp->ship));
+ sprintf(buf, "%s", prship(&mlp->unit.ship));
eff = sp->shp_effic;
- if (most_valuable_ship(&list)) {
- shp_missile_interdiction(&list, sp->shp_x, sp->shp_y, sp->shp_own);
- getship(sp->shp_uid, sp);
-
- if (!sp->shp_own) {
- wu(0, victim,
- "missiles launched in defense did 100%% damage to %s\n",
- buf);
- wu(0, victim, "%s sunk!\n", buf);
- } else if (eff > 0 && sp->shp_effic < eff) {
- wu(0, victim,
- "missiles launched in defense did %d%% damage to %s\n",
- 100 * (eff - sp->shp_effic) / eff, buf);
- }
+ shp_missile_interdiction(&list, sp->shp_x, sp->shp_y, sp->shp_own);
+ getship(sp->shp_uid, sp);
+
+ if (!sp->shp_own) {
+ wu(0, victim,
+ "missiles launched in defense did 100%% damage to %s\n",
+ buf);
+ wu(0, victim, "%s sunk!\n", buf);
+ } else if (eff > 0 && sp->shp_effic < eff) {
+ wu(0, victim,
+ "missiles launched in defense did %d%% damage to %s\n",
+ 100 * (eff - sp->shp_effic) / eff, buf);
}
if (!QEMPTY(&list))
free(mlp);
}
+double
+shp_mobcost(struct shpstr *sp)
+{
+ return speed_factor(sp->shp_effic * 0.01 * shp_speed(sp),
+ sp->shp_tech);
+}
+
/*
* Set SP's tech to TLEV along with everything else that depends on it.
*/
shp_set_tech(struct shpstr *sp, int tlev)
{
struct mchrstr *mcp = mchr + sp->shp_type;
- int tech_diff = tlev - mcp->m_tech;
- if (CANT_HAPPEN(tech_diff < 0)) {
- tlev -= tech_diff;
- tech_diff = 0;
- }
+ if (CANT_HAPPEN(tlev < mcp->m_tech))
+ tlev = mcp->m_tech;
sp->shp_tech = tlev;
- sp->shp_armor = (short)SHP_DEF(mcp->m_armor, tech_diff);
- sp->shp_speed = (short)SHP_SPD(mcp->m_speed, tech_diff);
- sp->shp_visib = (short)SHP_VIS(mcp->m_visib, tech_diff);
- sp->shp_frnge = (short)SHP_RNG(mcp->m_frnge, tech_diff);
- sp->shp_glim = (short)SHP_FIR(mcp->m_glim, tech_diff);
}
projects / empserver / blobdiff