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server/src/common/gamecode/monster.c
Enno Rehling 1d0bbfd0b8 http://eressea.upb.de/mantis/view.php?id=860 
- Frische Untote führen lange Befehle aus.
2006-02-26 15:55:43 +00:00

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/* vi: set ts=2:
*
*
* Eressea PB(E)M host Copyright (C) 1998-2003
* Christian Schlittchen (corwin@amber.kn-bremen.de)
* Katja Zedel (katze@felidae.kn-bremen.de)
* Henning Peters (faroul@beyond.kn-bremen.de)
* Enno Rehling (enno@eressea-pbem.de)
* Ingo Wilken (Ingo.Wilken@informatik.uni-oldenburg.de)
*
* based on:
*
* Atlantis v1.0 13 September 1993 Copyright 1993 by Russell Wallace
* Atlantis v1.7 Copyright 1996 by Alex Schröder
*
* This program may not be used, modified or distributed without
* prior permission by the authors of Eressea.
* This program may not be sold or used commercially without prior written
* permission from the authors.
*/
#include <config.h>
#include "eressea.h"
#include "monster.h"
/* gamecode includes */
#include "economy.h"
/* triggers includes */
#include <triggers/removecurse.h>
/* attributes includes */
#include <attributes/targetregion.h>
#include <attributes/hate.h>
/* spezialmonster */
#include <spells/alp.h>
/* kernel includes */
#include <kernel/build.h>
#include <kernel/equipment.h>
#include <kernel/faction.h>
#include <kernel/give.h>
#include <kernel/item.h>
#include <kernel/message.h>
#include <kernel/movement.h>
#include <kernel/names.h>
#include <kernel/order.h>
#include <kernel/pathfinder.h>
#include <kernel/pool.h>
#include <kernel/race.h>
#include <kernel/region.h>
#include <kernel/reports.h>
#include <kernel/skill.h>
#include <kernel/terrain.h>
#include <kernel/terrainid.h>
#include <kernel/unit.h>
/* util includes */
#include <util/attrib.h>
#include <util/base36.h>
#include <util/event.h>
#include <util/rand.h>
#include <util/rng.h>
/* libc includes */
#include <stdio.h>
#include <string.h>
#include <assert.h>
#define UNDEAD_REPRODUCTION 0 /* vermehrung */
#define MOVECHANCE 25 /* chance fuer bewegung */
#define MAXILLUSION_TEXTS 3
static void
reduce_weight(unit * u)
{
int horses = get_resource(u, oldresourcetype[R_HORSE]);
int capacity = walkingcapacity(u);
item ** itmp = &u->items;
int weight = 0;
if (horses > 0) {
horses = min(horses, (u->number*2));
change_resource(u, oldresourcetype[R_HORSE], - horses);
}
/* 1. get rid of anything that isn't silver or really lightweight or helpful in combat */
while (capacity>0 && *itmp!=NULL) {
item * itm = *itmp;
const item_type * itype = itm->type;
weight += itm->number*itype->weight;
if (weight>capacity) {
if (itype->weight>=10 && itype->rtype->wtype==0 && itype->rtype->atype==0) {
if (itype->capacity < itype->weight) {
int reduce = min(itm->number, -((capacity-weight)/itype->weight));
give_item(reduce, itm->type, u, NULL, NULL);
weight -= reduce * itype->weight;
}
}
}
if (*itmp==itm) itmp=&itm->next;
}
for (itmp = &u->items;*itmp && weight>capacity;) {
item * itm = *itmp;
const item_type * itype = itm->type;
weight += itm->number*itype->weight;
if (itype->capacity < itype->weight) {
int reduce = min(itm->number, -((capacity-weight)/itype->weight));
give_item(reduce, itm->type, u, NULL, NULL);
weight -= reduce * itype->weight;
}
if (*itmp==itm) itmp=&itm->next;
}
}
static boolean
is_waiting(const unit * u)
{
if (fval(u, UFL_ISNEW|UFL_MOVED)) return true;
return false;
}
static order *
monster_attack(unit * u, const unit * target)
{
char zText[20];
if (u->region!=target->region) return NULL;
if (u->faction==target->faction) return NULL;
if (!cansee(u->faction, u->region, target, 0)) return NULL;
if (is_waiting(u)) return NULL;
sprintf(zText, "%s %s",
locale_string(u->faction->locale, keywords[K_ATTACK]),
unitid(target));
return parse_order(zText, u->faction->locale);
}
static order *
get_money_for_dragon(region * r, unit * u, int wanted)
{
unit *u2;
int n;
/* attackiere bewachende einheiten */
for (u2 = r->units; u2; u2 = u2->next) {
if (u2 != u && getguard(u2)&GUARD_TAX) {
order * ord = monster_attack(u, u2);
if (ord) addlist(&u->orders, ord);
}
}
/* falls genug geld in der region ist, treiben wir steuern ein. */
if (rmoney(r) >= wanted) {
/* 5% chance, dass der drache aus einer laune raus attackiert */
if (chance(1.0-u->race->aggression)) return parse_order(keywords[K_TAX], default_locale);
}
/* falls der drache launisch ist, oder das regionssilber knapp, greift er alle an */
n = 0;
for (u2 = r->units; u2; u2 = u2->next) {
if (u2->faction != u->faction && cansee(u->faction, r, u2, 0)) {
int m = get_money(u2);
if (m==0 || (getguard(u2) & GUARD_TAX)) continue;
else {
order * ord = monster_attack(u, u2);
if (ord) {
addlist(&u->orders, ord);
n += m;
}
}
}
}
/* falls die einnahmen erreicht werden, bleibt das monster noch eine
* runde hier. */
if (n + rmoney(r) >= wanted) {
return parse_order(keywords[K_TAX], default_locale);
}
/* wenn wir NULL zurückliefern, macht der drache was anderes, z.b. weggehen */
return NULL;
}
static int
all_money(region * r, faction * f)
{
unit *u;
int m;
m = rmoney(r);
for (u = r->units; u; u = u->next) {
if (f!=u->faction) {
m += get_money(u);
}
}
return m;
}
static direction_t
richest_neighbour(region * r, faction * f, int absolut)
{
/* m - maximum an Geld, d - Richtung, i - index, t = Geld hier */
double m;
double t;
direction_t d = NODIRECTION, i;
if (absolut == 1 || rpeasants(r) == 0) {
m = (double) all_money(r, f);
} else {
m = (double) all_money(r, f) / (double) rpeasants(r);
}
/* finde die region mit dem meisten geld */
for (i = 0; i != MAXDIRECTIONS; i++) {
region * rn = rconnect(r, i);
if (rn!=NULL && fval(rn->terrain, LAND_REGION)) {
if (absolut == 1 || rpeasants(rn) == 0) {
t = (double) all_money(rn, f);
} else {
t = (double) all_money(rn, f) / (double) rpeasants(rn);
}
if (t > m) {
m = t;
d = i;
}
}
}
return d;
}
static boolean
room_for_race_in_region(region *r, const race * rc)
{
unit *u;
int c = 0;
for(u=r->units;u;u=u->next) {
if(u->race == rc) c += u->number;
}
if(c > (rc->splitsize*2))
return false;
return true;
}
static direction_t
random_neighbour(region * r, unit *u)
{
direction_t i;
region *rc;
int rr, c = 0, c2 = 0;
/* Nachsehen, wieviele Regionen in Frage kommen */
for (i = 0; i != MAXDIRECTIONS; i++) {
rc = rconnect(r, i);
if (rc && can_survive(u, rc)) {
if(room_for_race_in_region(rc, u->race)) {
c++;
}
c2++;
}
}
if (c == 0) {
if(c2 == 0) {
return NODIRECTION;
} else {
c = c2;
c2 = 0; /* c2 == 0 -> room_for_race nicht beachten */
}
}
/* Zufällig eine auswählen */
rr = rng_int() % c;
/* Durchzählen */
c = -1;
for (i = 0; i != MAXDIRECTIONS; i++) {
rc = rconnect(r, i);
if (rc && can_survive(u, rc)) {
if(c2 == 0) {
c++;
} else if(room_for_race_in_region(rc, u->race)) {
c++;
}
if (c == rr) return i;
}
}
assert(1 == 0); /* Bis hierhin sollte er niemals kommen. */
return NODIRECTION;
}
static direction_t
treeman_neighbour(region * r)
{
direction_t i;
int rr;
int c = 0;
/* Nachsehen, wieviele Regionen in Frage kommen */
for (i = 0; i != MAXDIRECTIONS; i++) {
if (rconnect(r, i)
&& rterrain(rconnect(r, i)) != T_OCEAN
&& rterrain(rconnect(r, i)) != T_GLACIER
&& rterrain(rconnect(r, i)) != T_DESERT) {
c++;
}
}
if (c == 0) {
return NODIRECTION;
}
/* Zufällig eine auswählen */
rr = rng_int() % c;
/* Durchzählen */
c = -1;
for (i = 0; i != MAXDIRECTIONS; i++) {
if (rconnect(r, i)
&& rterrain(rconnect(r, i)) != T_OCEAN
&& rterrain(rconnect(r, i)) != T_GLACIER
&& rterrain(rconnect(r, i)) != T_DESERT) {
c++;
if (c == rr) {
return i;
}
}
}
assert(1 == 0); /* Bis hierhin sollte er niemals kommen. */
return NODIRECTION;
}
static order *
monster_move(region * r, unit * u)
{
direction_t d = NODIRECTION;
if (is_waiting(u)) return NULL;
switch(old_race(u->race)) {
case RC_FIREDRAGON:
case RC_DRAGON:
case RC_WYRM:
d = richest_neighbour(r, u->faction, 1);
break;
case RC_TREEMAN:
d = treeman_neighbour(r);
break;
default:
d = random_neighbour(r,u);
break;
}
/* falls kein geld gefunden wird, zufaellig verreisen, aber nicht in
* den ozean */
if (d == NODIRECTION)
return NULL;
sprintf(buf, "%s %s", locale_string(u->faction->locale, keywords[K_MOVE]),
locale_string(u->faction->locale, directions[d]));
reduce_weight(u);
return parse_order(buf, u->faction->locale);
}
/* Wir machen das mal autoconf-style: */
#ifndef HAVE_DRAND48
#define drand48() (((double)rng_int()) / RAND_MAX)
#endif
static int
dragon_affinity_value(region *r, unit *u)
{
int m = all_money(r, u->faction);
if(u->race == new_race[RC_FIREDRAGON]) {
return (int)(normalvariate(m,m/2));
} else {
return (int)(normalvariate(m,m/4));
}
}
static attrib *
set_new_dragon_target(unit * u, region * r, int range)
{
int max_affinity = 0;
region *max_region = NULL;
#if 1
region_list * rptr, * rlist = regions_in_range(r, range, allowed_dragon);
for (rptr=rlist;rptr;rptr=rptr->next) {
region * r2 = rptr->data;
int affinity = dragon_affinity_value(r2, u);
if (affinity > max_affinity) {
max_affinity = affinity;
max_region = r2;
}
}
free_regionlist(rlist);
#else
int x, y;
for (x = r->x - range; x < r->x + range; x++) {
for (y = r->y - range; y < r->y + range; y++) {
region * r2 = findregion(x, y);
if (r2!=NULL) {
int affinity = dragon_affinity_value(r2, u);
if (affinity > max_affinity) {
if (koor_distance (r->x, r->y, x, y) <= range && path_exists(r, r2, range, allowed_dragon))
{
max_affinity = affinity;
max_region = r2;
}
}
}
}
}
#endif
if (max_region && max_region != r) {
attrib * a = a_find(u->attribs, &at_targetregion);
if (!a) {
a = a_add(&u->attribs, make_targetregion(max_region));
} else {
a->data.v = max_region;
}
sprintf(buf, "Kommt aus: %s, Will nach: %s",
regionname(r, u->faction), regionname(max_region, u->faction));
usetprivate(u, buf);
return a;
}
return NULL;
}
static order *
make_movement_order(unit * u, const region * target, int moves, boolean (*allowed)(const region *, const region *))
{
region * r = u->region;
region ** plan;
int position = 0;
char * c;
if (is_waiting(u)) return NULL;
plan = path_find(r, target, DRAGON_RANGE*5, allowed);
if (plan==NULL) return NULL;
strcpy(buf, locale_string(u->faction->locale, keywords[K_MOVE]));
c = buf + strlen(buf);
while (position!=moves && plan[position+1]) {
region * prev = plan[position];
region * next = plan[++position];
direction_t dir = reldirection(prev, next);
assert(dir!=NODIRECTION && dir!=D_SPECIAL);
*c++ = ' ';
strcpy(c, locale_string(u->faction->locale, directions[dir]));
c += strlen(c);
}
return parse_order(buf, u->faction->locale);
}
static order *
monster_seeks_target(region *r, unit *u)
{
direction_t d;
unit *target = NULL;
int dist, dist2;
direction_t i;
region *nr;
/* Das Monster sucht ein bestimmtes Opfer. Welches, steht
* in einer Referenz/attribut
* derzeit gibt es nur den alp
*/
switch( old_race(u->race) ) {
case RC_ALP:
target = alp_target(u);
break;
default:
assert(!"Seeker-Monster gibt kein Ziel an");
}
/* TODO: prüfen, ob target überhaupt noch existiert... */
if (!target) {
log_error(("Monster '%s' hat kein Ziel!\n", unitname(u)));
return NULL; /* this is a bug workaround! remove!! */
}
if(r == target->region ) { /* Wir haben ihn! */
if (u->race == new_race[RC_ALP]) {
alp_findet_opfer(u, r);
}
else {
assert(!"Seeker-Monster hat keine Aktion fuer Ziel");
}
return NULL;
}
/* Simpler Ansatz: Nachbarregion mit gerinster Distanz suchen.
* Sinnvoll momentan nur bei Monstern, die sich nicht um das
* Terrain kümmern. Nebelwände & Co machen derzeit auch nix...
*/
dist2 = distance(r, target->region);
d = NODIRECTION;
for( i = 0; i < MAXDIRECTIONS; i++ ) {
nr = rconnect(r, i);
assert(nr);
dist = distance(nr, target->region);
if( dist < dist2 ) {
dist2 = dist;
d = i;
}
}
assert(d != NODIRECTION );
sprintf(buf, "%s %s", locale_string(u->faction->locale, keywords[K_MOVE]),
locale_string(u->faction->locale, directions[d]));
return parse_order(buf, u->faction->locale);
}
unit *
random_unit(const region * r)
{
int c = 0;
int n;
unit *u;
for (u = r->units; u; u = u->next) {
if (u->race != new_race[RC_SPELL]) {
c += u->number;
}
}
if (c == 0) {
return NULL;
}
n = rng_int() % c;
c = 0;
u = r->units;
while (u && c < n) {
if (u->race != new_race[RC_SPELL]) {
c += u->number;
}
u = u->next;
}
return u;
}
static void
monster_attacks(unit * u)
{
region * r = u->region;
unit * u2;
for (u2=r->units;u2;u2=u2->next) {
if (chance(0.75)) {
order * ord = monster_attack(u, u2);
if (ord) addlist(&u->orders, ord);
}
}
}
static void
eaten_by_monster(unit * u)
{
int n = 0;
int horse = 0;
switch (old_race(u->race)) {
case RC_FIREDRAGON:
n = rng_int()%80 * u->number;
horse = get_item(u, I_HORSE);
break;
case RC_DRAGON:
n = rng_int()%200 * u->number;
horse = get_item(u, I_HORSE);
break;
case RC_WYRM:
n = rng_int()%500 * u->number;
horse = get_item(u, I_HORSE);
break;
default:
n = rng_int()%(u->number/20+1);
}
if (n > 0) {
n = lovar(n);
n = min(rpeasants(u->region), n);
if (n > 0) {
deathcounts(u->region, n);
rsetpeasants(u->region, rpeasants(u->region) - n);
ADDMSG(&u->region->msgs, msg_message("eatpeasants", "unit amount", u, n));
}
}
if (horse > 0) {
set_item(u, I_HORSE, 0);
ADDMSG(&u->region->msgs, msg_message("eathorse", "unit amount", u, horse));
}
}
static void
absorbed_by_monster(unit * u)
{
int n;
switch (old_race(u->race)) {
default:
n = rng_int()%(u->number/20+1);
}
if(n > 0) {
n = lovar(n);
n = min(rpeasants(u->region), n);
if (n > 0){
rsetpeasants(u->region, rpeasants(u->region) - n);
scale_number(u, u->number + n);
ADDMSG(&u->region->msgs, msg_message("absorbpeasants",
"unit race amount", u, u->race, n));
}
}
}
static int
scareaway(region * r, int anzahl)
{
int n, p, diff = 0, emigrants[MAXDIRECTIONS];
direction_t d;
anzahl = min(max(1, anzahl),rpeasants(r));
/* Wandern am Ende der Woche (normal) oder wegen Monster. Die
* Wanderung wird erst am Ende von demographics () ausgefuehrt.
* emigrants[] ist local, weil r->newpeasants durch die Monster
* vielleicht schon hochgezaehlt worden ist. */
for (d = 0; d != MAXDIRECTIONS; d++)
emigrants[d] = 0;
p = rpeasants(r);
assert(p >= 0 && anzahl >= 0);
for (n = min(p, anzahl); n; n--) {
direction_t dir = (direction_t)(rng_int() % MAXDIRECTIONS);
region * rc = rconnect(r, dir);
if (rc && fval(rc->terrain, LAND_REGION)) {
++diff;
rc->land->newpeasants++;
emigrants[dir]++;
}
}
rsetpeasants(r, p-diff);
assert(p >= diff);
return diff;
}
static void
scared_by_monster(unit * u)
{
int n;
switch (old_race(u->race)) {
case RC_FIREDRAGON:
n = rng_int()%160 * u->number;
break;
case RC_DRAGON:
n = rng_int()%400 * u->number;
break;
case RC_WYRM:
n = rng_int()%1000 * u->number;
break;
default:
n = rng_int()%(u->number/4+1);
}
if(n > 0) {
n = lovar(n);
n = min(rpeasants(u->region), n);
if(n > 0) {
n = scareaway(u->region, n);
if(n > 0) {
ADDMSG(&u->region->msgs, msg_message("fleescared",
"amount unit", n, u));
}
}
}
}
static const char *
random_growl(void)
{
switch(rng_int()%5) {
case 0:
return "Groammm";
case 1:
return "Roaaarrrr";
case 2:
return "Chhhhhhhhhh";
case 3:
return "Tschrrrkk";
case 4:
return "Schhhh";
}
return "";
}
extern attrib_type at_direction;
static order *
monster_learn(unit *u)
{
int c = 0;
int n;
skill * sv;
const struct locale * lang = u->faction->locale;
/* Monster lernt ein zufälliges Talent aus allen, in denen es schon
* Lerntage hat. */
for (sv = u->skills; sv != u->skills + u->skill_size; ++sv) {
if (sv->level>0) ++c;
}
if(c == 0) return NULL;
n = rng_int()%c + 1;
c = 0;
for (sv = u->skills; sv != u->skills + u->skill_size; ++sv) {
if (sv->level>0) {
if (++c == n) {
sprintf(buf, "%s \"%s\"", locale_string(lang, keywords[K_STUDY]),
skillname(sv->id, lang));
return parse_order(buf, lang);
}
}
}
return NULL;
}
void
monsters_kill_peasants(void)
{
region *r;
unit *u;
for (r = regions; r; r = r->next) {
for (u = r->units; u; u = u->next) if(!fval(u, UFL_MOVED)) {
if (u->race->flags & RCF_SCAREPEASANTS) {
scared_by_monster(u);
}
if (u->race->flags & RCF_KILLPEASANTS) {
eaten_by_monster(u);
}
if (u->race->flags & RCF_ABSORBPEASANTS) {
absorbed_by_monster(u);
}
}
}
}
static boolean
check_overpopulated(unit *u)
{
unit *u2;
int c = 0;
for(u2 = u->region->units; u2; u2 = u2->next) {
if(u2->race == u->race && u != u2) c += u2->number;
}
if(c > u->race->splitsize * 2) return true;
return false;
}
static void
recruit_dracoids(unit * dragon, int size)
{
faction * f = dragon->faction;
region * r = dragon->region;
const struct item * weapon = NULL;
order * new_order = NULL;
unit *un = createunit(r, f, size, new_race[RC_DRACOID]);
fset(un, UFL_ISNEW|UFL_MOVED);
name_unit(un);
change_money(dragon, -un->number * 50);
equip_unit(un, get_equipment("recruited_dracoid"));
un->status = ST_FIGHT;
for (weapon=un->items;weapon;weapon=weapon->next) {
const weapon_type * wtype = weapon->type->rtype->wtype;
if (wtype && (wtype->flags & WTF_MISSILE)) un->status = ST_BEHIND;
sprintf(buf, "%s \"%s\"", keywords[K_STUDY],
skillname(weapon->type->rtype->wtype->skill, f->locale));
new_order = parse_order(buf, default_locale);
}
if (new_order!=NULL) {
#ifdef LASTORDER
set_order(&un->lastorder, new_order);
#else
addlist(&un->orders, new_order);
#endif
}
}
static order *
plan_dragon(unit * u)
{
attrib * ta = a_find(u->attribs, &at_targetregion);
region * r = u->region;
region * tr = NULL;
boolean move = false;
order * long_order = NULL;
reduce_weight(u);
if (ta==NULL) {
move |= (r->land==0 || r->land->peasants==0); /* when no peasants, move */
move |= (r->land==0 || r->land->money==0); /* when no money, move */
}
move |= chance(0.04); /* 4% chance to change your mind */
if (u->race==new_race[RC_WYRM] && !move) {
unit * u2;
for (u2=r->units;u2;u2=u2->next) {
/* wyrme sind einzelgänger */
if (u2==u) {
/* we do not make room for newcomers, so we don't need to look at them */
break;
}
if (u2!=u && u2->race==u->race && chance(0.5)) {
move = true;
break;
}
}
}
if (move) {
/* dragon gets bored and looks for a different place to go */
ta = set_new_dragon_target(u, u->region, DRAGON_RANGE);
}
else ta = a_find(u->attribs, &at_targetregion);
if (ta!=NULL) {
tr = (region *) ta->data.v;
if (tr==NULL || !path_exists(u->region, tr, DRAGON_RANGE, allowed_dragon)) {
ta = set_new_dragon_target(u, u->region, DRAGON_RANGE);
if (ta) tr = findregion(ta->data.sa[0], ta->data.sa[1]);
}
}
if (tr!=NULL) {
assert(long_order==NULL);
switch(old_race(u->race)) {
case RC_FIREDRAGON:
long_order = make_movement_order(u, tr, 4, allowed_dragon);
break;
case RC_DRAGON:
long_order = make_movement_order(u, tr, 3, allowed_dragon);
break;
case RC_WYRM:
long_order = make_movement_order(u, tr, 1, allowed_dragon);
break;
}
if (rng_int()%100 < 15) {
/* do a growl */
if (rname(tr, u->faction->locale)) {
sprintf(buf,
"botschaft an region %s~...~%s~etwas~in~%s.",
estring(random_growl()), u->number==1?"Ich~rieche":"Wir~riechen",
estring(rname(tr, u->faction->locale)));
addlist(&u->orders, parse_order(buf, u->faction->locale));
}
}
} else {
/* we have no target. do we like it here, then? */
long_order = get_money_for_dragon(u->region, u, income(u));
if (long_order==NULL) {
/* money is gone, need a new target */
set_new_dragon_target(u, u->region, DRAGON_RANGE);
}
else if (u->race != new_race[RC_FIREDRAGON]) {
/* neue dracoiden! */
if (r->land && !fval(r->terrain, FORBIDDEN_REGION)) {
int ra = 20 + rng_int() % 100;
if (get_money(u) > ra * 50 + 100 && rng_int() % 100 < 50) {
recruit_dracoids(u, ra);
}
}
}
}
if (long_order==NULL) {
sprintf(buf, "%s \"%s\"", keywords[K_STUDY],
skillname(SK_OBSERVATION, u->faction->locale));
long_order = parse_order(buf, default_locale);
}
return long_order;
}
void
plan_monsters(void)
{
region *r;
faction *f = findfaction(MONSTER_FACTION);
if (!f) return;
f->lastorders = turn;
for (r = regions; r; r = r->next) {
unit *u;
double attack_chance = MONSTERATTACK;
boolean attacking = false;
for (u = r->units; u; u = u->next) {
attrib * ta;
order * long_order = NULL;
/* Ab hier nur noch Befehle für NPC-Einheiten. */
if (u->faction->no != MONSTER_FACTION) continue;
if (attack_chance>0.0) {
if (chance(attack_chance)) attacking = true;
attack_chance = 0.0;
}
if (u->status>ST_BEHIND) u->status = ST_FIGHT; /* all monsters fight */
/* Monster bekommen jede Runde ein paar Tage Wahrnehmung dazu */
produceexp(u, SK_OBSERVATION, u->number);
/* Befehle müssen jede Runde neu gegeben werden: */
free_orders(&u->orders);
if (attacking) {
monster_attacks(u);
}
/* units with a plan to kill get ATTACK orders: */
ta = a_find(u->attribs, &at_hate);
if (ta && !is_waiting(u)) {
unit * tu = (unit *)ta->data.v;
if (tu && tu->region==r) {
sprintf(buf, "%s %s", locale_string(u->faction->locale, keywords[K_ATTACK]), itoa36(tu->no));
addlist(&u->orders, parse_order(buf, u->faction->locale));
} else if (tu) {
tu = findunitg(ta->data.i, NULL);
if (tu!=NULL) {
long_order = make_movement_order(u, tu->region, 2, allowed_walk);
}
}
else a_remove(&u->attribs, ta);
}
/* All monsters guard the region: */
if (!is_waiting(u) && r->land) {
const char * cmd = locale_string(u->faction->locale, keywords[K_GUARD]);
addlist(&u->orders, parse_order(cmd, u->faction->locale));
}
/* Einheiten mit Bewegungsplan kriegen ein NACH: */
if (long_order==NULL) {
attrib * ta = a_find(u->attribs, &at_targetregion);
if (ta) {
if (u->region == (region*)ta->data.v) {
a_remove(&u->attribs, ta);
}
} else if (u->race->flags & RCF_MOVERANDOM) {
if (rng_int()%100<MOVECHANCE || check_overpopulated(u)) {
long_order = monster_move(r, u);
}
}
}
if (long_order==NULL) {
/* Einheiten, die Waffenlosen Kampf lernen könnten, lernen es um
* zu bewachen: */
if (u->race->bonus[SK_WEAPONLESS] != -99) {
if (eff_skill(u, SK_WEAPONLESS, u->region) < 1) {
sprintf(buf, "%s \"%s\"",
locale_string(f->locale, keywords[K_STUDY]),
skillname(SK_WEAPONLESS, f->locale));
long_order = parse_order(buf, f->locale);
}
}
}
if (long_order==NULL) {
/* Ab hier noch nicht generalisierte Spezialbehandlungen. */
switch (old_race(u->race)) {
case RC_SEASERPENT:
long_order = parse_order(keywords[K_PIRACY], default_locale);
break;
case RC_ALP:
long_order = monster_seeks_target(r, u);
break;
case RC_FIREDRAGON:
case RC_DRAGON:
case RC_WYRM:
long_order = plan_dragon(u);
break;
default:
if (u->race->flags & RCF_LEARN) {
long_order = monster_learn(u);
}
break;
}
}
if (long_order) {
set_order(&u->thisorder, copy_order(long_order));
#ifdef LASTORDER
set_order(&u->lastorder, copy_order(long_order));
#else
addlist(&u->orders, long_order);
#endif
}
}
}
pathfinder_cleanup();
}
static double
chaosfactor(region * r)
{
attrib * a = a_find(r->attribs, &at_chaoscount);
if (!a) return 0;
return ((double) a->data.i / 1000.0);
}
static int
nrand(int start, int sub)
{
int res = 0;
do {
if (rng_int() % 100 < start)
res++;
start -= sub;
} while (start > 0);
return res;
}
/** Drachen und Seeschlangen können entstehen */
void
spawn_dragons(void)
{
region * r;
for (r = regions; r; r = r->next) {
unit * u;
message * msg;
if (fval(r->terrain, SEA_REGION) && rng_int()%10000 < 1) {
u = createunit(r, findfaction(MONSTER_FACTION), 1, new_race[RC_SEASERPENT]);
fset(u, UFL_ISNEW|UFL_MOVED);
set_level(u, SK_MAGIC, 4);
set_level(u, SK_OBSERVATION, 3);
set_level(u, SK_STEALTH, 2);
set_level(u, SK_AUSDAUER, 1);
set_string(&u->name, "Seeschlange");
}
if ((rterrain(r) == T_GLACIER || r->terrain == newterrain(T_SWAMP) || rterrain(r) == T_DESERT) && rng_int() % 10000 < (5 + 100 * chaosfactor(r)))
{
if (chance(0.80)) {
u = createunit(r, findfaction(MONSTER_FACTION), nrand(60, 20) + 1, new_race[RC_FIREDRAGON]);
} else {
u = createunit(r, findfaction(MONSTER_FACTION), nrand(30, 20) + 1, new_race[RC_DRAGON]);
}
fset(u, UFL_ISNEW|UFL_MOVED);
set_money(u, u->number * (rng_int() % 500 + 100));
set_level(u, SK_MAGIC, 4);
set_level(u, SK_OBSERVATION, 1+rng_int()%3);
set_level(u, SK_STEALTH, 1);
set_level(u, SK_AUSDAUER, 1);
log_printf("%d %s in %s.\n", u->number,
LOC(default_locale, rc_name(u->race, u->number!=1)), regionname(r, NULL));
name_unit(u);
/* add message to the region */
ADDMSG(&r->msgs,
msg_message("sighting", "region race number",
NULL, u->race, u->number));
/* create new message to add to units */
msg = msg_message("sighting", "region race number",
u->region, u->race, u->number);
for (u=r->units;u;u=u->next) freset(u->faction, FL_DH);
for (u=r->units;u;u=u->next) {
faction * f = u->faction;
if (!fval(f, FL_DH)) {
add_message(&f->msgs, msg);
fset(f, FL_DH);
}
}
msg_release(msg);
}
}
}
/** Untote können entstehen */
void
spawn_undead(void)
{
region * r;
for (r = regions; r; r = r->next) {
int unburied = deathcount(r);
if(is_cursed(r->attribs, C_HOLYGROUND, 0)) continue;
/* Chance 0.1% * chaosfactor */
if (r->land && unburied > r->land->peasants / 20 && rng_int() % 10000 < (100 + 100 * chaosfactor(r))) {
unit * u;
/* es ist sinnfrei, wenn irgendwo im Wald 3er-Einheiten Untote entstehen.
* Lieber sammeln lassen, bis sie mindestens 5% der Bevölkerung sind, und
* dann erst auferstehen. */
int undead = unburied / (rng_int() % 2 + 1);
const race * rc = NULL;
int i;
if (r->age<100) undead = undead * r->age / 100; /* newbie-regionen kriegen weniger ab */
if (!undead || r->age < 20) continue;
switch(rng_int()%3) {
case 0:
rc = new_race[RC_SKELETON]; break;
case 1:
rc = new_race[RC_ZOMBIE]; break;
default:
rc = new_race[RC_GHOUL]; break;
}
u = createunit(r, findfaction(MONSTER_FACTION), undead, rc);
fset(u, UFL_ISNEW|UFL_MOVED);
if ((rc == new_race[RC_SKELETON] || rc == new_race[RC_ZOMBIE]) && rng_int()%10 < 4) {
equip_unit(u, get_equipment("rising_undead"));
}
for (i=0;i < MAXSKILLS;i++) {
if (rc->bonus[i] >= 1) {
set_level(u, (skill_t)i, 1);
}
}
u->hp = unit_max_hp(u) * u->number;
deathcounts(r, -undead);
name_unit(u);
log_printf("%d %s in %s.\n", u->number,
LOC(default_locale, rc_name(u->race, u->number!=1)), regionname(r, NULL));
{
message * msg = msg_message("undeadrise", "region", r);
add_message(&r->msgs, msg);
for (u=r->units;u;u=u->next) freset(u->faction, FL_DH);
for (u=r->units;u;u=u->next) {
if (fval(u->faction, FL_DH)) continue;
fset(u->faction, FL_DH);
add_message(&u->faction->msgs, msg);
}
msg_release(msg);
}
} else {
int i = deathcount(r);
if (i) {
/* Gräber verwittern, 3% der Untoten finden die ewige Ruhe */
deathcounts(r, (int)(-i*0.03));
}
}
}
}
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