/*
* Empire - A multi-player, client/server Internet based war game.
- * Copyright (C) 1986-2013, Dave Pare, Jeff Bailey, Thomas Ruschak,
+ * Copyright (C) 1986-2018, Dave Pare, Jeff Bailey, Thomas Ruschak,
* Ken Stevens, Steve McClure, Markus Armbruster
*
* Empire is free software: you can redistribute it and/or modify
* Known contributors to this file:
* Ken Stevens, 1995
* Steve McClure, 1997
+ * Markus Armbruster, 2009-2016
*/
#include <config.h>
+#include "chance.h"
#include "combat.h"
#include "commands.h"
#include "empobj.h"
#include "unit.h"
+static int only_spies(struct combat[], struct emp_qelem *);
+static void sneak_ashore(struct combat[], struct emp_qelem *,
+ struct combat *);
+
int
assa(void)
{
double dsupport = 1.0; /* defense support */
char *p;
char buf[1024];
- int n;
- int ourtotal;
- struct emp_qelem *qp, *next;
- struct ulist *llp;
- int rel;
att_combat_init(off, EF_SHIP);
att_combat_init(def, EF_SECTOR);
return RET_OK;
}
- /* Show what we're assaulting, and check treaties */
-
- if (att_show(def))
- return RET_FAIL;
+ /* Show what we're assaulting */
+ att_show(def);
/* Ask about offensive support */
return RET_OK;
}
+ /* If only spies assault, try to sneak them ashore */
+ if (only_spies(off, &olist)) {
+ sneak_ashore(off, &olist, def);
+ return RET_OK;
+ }
+
ototal = att_get_offense(A_ASSAULT, off, &olist, def);
if (att_abort(A_ASSAULT, off, def)) {
pr("Assault aborted\n");
* happening in the game.
*/
- /* First, we check to see if the only thing we have are spies
- * assaulting. If so, we try to sneak them on land. If they
- * make it, the defenders don't see a thing. If they fail, well,
- * the spies die, and the defenders see them. */
-
- ourtotal = 0;
- for (n = 0; n <= off->last; n++) {
- if (off[n].type == EF_BAD)
- continue;
- ourtotal += off[n].troops * att_combat_eff(off + n);
- }
- for (qp = olist.q_forw; qp != &olist; qp = next) {
- next = qp->q_forw;
- llp = (struct ulist *)qp;
- if (lchr[(int)llp->unit.land.lnd_type].l_flags & L_SPY)
- continue;
- ourtotal++;
- }
-
- /* If no attacking forces (i.e. we got here with only spies)
- * then try to sneak on-land. */
-
- if (!ourtotal) {
- pr("Trying to sneak on shore...\n");
-
- for (qp = olist.q_forw; qp != &olist; qp = next) {
- next = qp->q_forw;
- llp = (struct ulist *)qp;
- rel = relations_with(def->own, player->cnum);
- if (chance(0.10) || rel == ALLIED || !def->own) {
- pr("%s made it on shore safely.\n", prland(&llp->unit.land));
- llp->unit.land.lnd_x = def->x;
- llp->unit.land.lnd_y = def->y;
- llp->unit.land.lnd_ship = -1;
- putland(llp->unit.land.lnd_uid, &llp->unit.land);
- } else {
- pr("%s was spotted", prland(&llp->unit.land));
- if (rel <= HOSTILE) {
- wu(0, def->own, "%s spy shot and killed in %s.\n",
- cname(player->cnum), xyas(def->x, def->y,
- def->own));
- pr(" and was killed in the attempt.\n");
- llp->unit.land.lnd_effic = 0;
- putland(llp->unit.land.lnd_uid, &llp->unit.land);
- lnd_delete(llp);
- } else {
- wu(0, def->own, "%s spy spotted in %s.\n",
- cname(player->cnum), xyas(def->x, def->y,
- def->own));
- pr(" but made it ok.\n");
- llp->unit.land.lnd_x = def->x;
- llp->unit.land.lnd_y = def->y;
- llp->unit.land.lnd_ship = -1;
- putland(llp->unit.land.lnd_uid, &llp->unit.land);
- }
- }
- }
- return RET_OK;
- }
-
/* Get the real defense */
att_get_defense(&olist, def, &dlist, a_spy, ototal);
return RET_OK;
}
+
+static int
+only_spies(struct combat off[], struct emp_qelem *olist)
+{
+ int n;
+ struct emp_qelem *qp;
+ struct ulist *llp;
+
+ for (n = 0; n <= off->last; n++) {
+ if (off[n].type == EF_BAD)
+ continue;
+ if (off[n].troops)
+ return 0;
+ }
+
+ for (qp = olist->q_forw; qp != olist; qp = qp->q_forw) {
+ llp = (struct ulist *)qp;
+ if (!(lchr[llp->unit.land.lnd_type].l_flags & L_SPY))
+ return 0;
+ }
+
+ return 1;
+}
+
+static void
+sneak_ashore(struct combat off[], struct emp_qelem *olist,
+ struct combat *def)
+{
+ struct emp_qelem *qp;
+ struct ulist *llp;
+ struct lndstr *lp;
+ enum relations rel;
+
+ pr("Trying to sneak on shore...\n");
+
+ att_move_land(A_ASSAULT, off, olist, def);
+
+ for (qp = olist->q_forw; qp != olist; qp = qp->q_forw) {
+ llp = (struct ulist *)qp;
+ lp = &llp->unit.land;
+ rel = relations_with(def->own, player->cnum);
+ if (rel == ALLIED || !def->own
+ || !chance(LND_SPY_DETECT_CHANCE(lp->lnd_effic / 2))) {
+ /* eff/2 because this is hard */
+ pr("%s made it on shore safely.\n", prland(lp));
+ } else {
+ pr("%s was spotted", prland(lp));
+ if (rel <= HOSTILE) {
+ wu(0, def->own, "%s spy shot and killed in %s.\n",
+ cname(player->cnum), xyas(def->x, def->y,
+ def->own));
+ pr(" and was killed in the attempt.\n");
+ lp->lnd_effic = 0;
+ } else {
+ wu(0, def->own, "%s spy spotted in %s.\n",
+ cname(player->cnum), xyas(def->x, def->y,
+ def->own));
+ pr(" but made it OK.\n");
+ }
+ }
+ }
+
+ lnd_put(olist);
+}
projects / empserver / blobdiff