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server/src/common/gamecode/randenc.c
Enno Rehling 279a791c9b http://eressea.upb.de/mantis/view.php?id=524 
Dracoiden greifen in der Runde an, in der sie "rekrutiert" wurden
2005-05-27 20:46:57 +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 "randenc.h"
#include "economy.h"
#include "luck.h"
#include "monster.h"
/* kernel includes */
#include <kernel/alchemy.h>
#include <kernel/battle.h>
#include <kernel/building.h>
#include <kernel/curse.h>
#include <kernel/faction.h>
#include <kernel/item.h>
#include <kernel/karma.h>
#include <kernel/magic.h>
#include <kernel/message.h>
#include <kernel/movement.h>
#include <kernel/names.h>
#include <kernel/order.h>
#include <kernel/plane.h>
#include <kernel/pool.h>
#include <kernel/race.h>
#include <kernel/region.h>
#include <kernel/ship.h>
#include <kernel/skill.h>
#include <kernel/unit.h>
/* attributes includes */
#include <attributes/racename.h>
/* util includes */
#include <rand.h>
#include <util/message.h>
/* libc includes */
#include <stdio.h>
#include <string.h>
#include <assert.h>
#include <math.h>
#include <stdlib.h>
#include <attributes/iceberg.h>
extern attrib_type at_unitdissolve;
extern attrib_type at_orcification;
int
nrand(int start, int sub)
{
int res = 0;
do {
if (rand() % 100 < start)
res++;
start -= sub;
} while (start > 0);
return res;
}
/* In a->data.ca[1] steht der Prozentsatz mit dem sich die Einheit
* auflöst, in a->data.ca[0] kann angegeben werden, wohin die Personen
* verschwinden. Passiert bereits in der ersten Runde! */
static void
dissolve_units(void)
{
region *r;
unit *u;
int n;
int i;
for (r=regions;r;r=r->next) {
for (u=r->units;u;u=u->next) {
attrib * a = a_find(u->attribs, &at_unitdissolve);
if (a) {
const char * str = NULL;
if (u->age == 0 && a->data.ca[1] < 100) continue;
/* TODO: Durch einzelne Berechnung ersetzen */
if (a->data.ca[1] == 100) {
n = u->number;
} else {
n = 0;
for (i=0;i<u->number;i++) {
if (rand()%100 < a->data.ca[1]) n++;
}
}
/* wenn keiner verschwindet, auch keine Meldung */
if (n == 0) {
continue;
}
scale_number(u, u->number - n);
switch(a->data.ca[0]) {
case 1:
rsetpeasants(r, rpeasants(r) + n);
if (n == 1) {
str = "kehrte auf sein Feld zurück.";
} else {
str = "kehrten auf ihre Felder zurück.";
}
break;
case 2:
if (r->land) {
#if GROWING_TREES
rsettrees(r, 2, rtrees(r,2) + n);
#else
rsettrees(r, rtrees(r) + n);
#endif
if (n == 1) {
str = "wurde zum Baum.";
} else {
str = "wurden zu Bäumen.";
}
} else {
if(n == 1) {
str = "verfaulte in der feuchten Seeluft.";
} else {
str = "verfaulten in der feuchten Seeluft.";
}
}
break;
default:
if (u->race == new_race[RC_STONEGOLEM] || u->race == new_race[RC_IRONGOLEM]) {
if (n == 1) {
str = "zerfiel zu Staub.";
} else {
str = "zerfielen zu Staub.";
}
}else{
if (n == 1) {
str = "verschwand über Nacht.";
}else{
str = "verschwanden über Nacht.";
}
}
break;
}
ADDMSG(&u->faction->msgs, msg_message("dissolve_units",
"unit region number race action", u, r, n, u->race, str));
}
}
}
remove_empty_units();
}
static int
improve_all(faction * f, skill_t sk, int weeks)
{
unit *u;
for (u = f->units; u; u = u->nextF) {
if (has_skill(u, sk)) {
while (weeks--) {
learn_skill(u, sk, 1.0);
}
}
}
return weeks;
}
void
find_manual(region * r, unit * u)
{
skill_t skill = NOSKILL;
sprintf(buf, "%s stolper%c bei der Erforschung der Region über ",
unitname(u), "nt"[u->number == 1]);
switch (rand() % 4) {
case 0:
scat("die Ruine eines alten Tempels");
break;
case 1:
scat("eine alte Burgruine");
break;
case 2:
scat("ein zerfallenes Bauernhaus");
break;
case 3:
scat("eine Leiche am Wegesrand");
break;
}
scat(". Bei der Durchsuchung ");
if (u->number == 1) {
scat("stößt");
} else {
scat("stoßen");
}
scat(" sie auf das zerfledderte Exemplar eines alten Buches, betitelt ");
switch (rand() % 36) {
case 0:
scat("\'Magie der Elemente\'");
skill = SK_MAGIC;
break;
case 1:
case 2:
case 3:
case 4:
scat("\'Schwerter, Armbrüste, Langbögen\'");
skill = SK_WEAPONSMITH;
break;
case 5:
case 6:
scat("\'Gorms Almanach der Rationellen Kriegsführung\'");
skill = SK_TACTICS;
break;
case 7:
case 8:
case 9:
case 10:
scat("\'Katamarane, Koggen, Karavellen\'");
skill = SK_SHIPBUILDING;
break;
case 11:
case 12:
case 13:
case 14:
scat("\'Wege der Sterne\'");
skill = SK_SAILING;
break;
case 15:
case 16:
case 17:
scat("\'Nadishahs Kleine Gift- und Kräuterkunde\'");
skill = SK_HERBALISM;
break;
case 18:
case 19:
scat("\'Mandricks Kompendium der Alchemie\'");
skill = SK_ALCHEMY;
break;
case 20:
case 21:
case 22:
case 23:
scat("\'Die Konstruktion der Burgen und Schlösser von Zentralandune\'");
skill = SK_BUILDING;
break;
case 24:
case 25:
case 26:
case 27:
scat("\'Die Esse\'");
skill = SK_ARMORER;
break;
case 28:
case 29:
case 30:
case 31:
scat("\'Über die Gewinnung von Erzen\'");
skill = SK_MINING;
break;
case 32:
case 33:
case 34:
case 35:
scat("\'Barinions Lieder, eine Einführung für Unbedarfte\'");
skill = SK_ENTERTAINMENT;
break;
}
scat(". Der Wissensschub ist enorm.");
addmessage(r, u->faction, buf, MSG_EVENT, ML_IMPORTANT);
if (improve_all(u->faction, skill, 3) == 3) {
int i;
for (i=0;i!=9;++i) learn_skill(u, skill, 1.0);
}
}
static void
get_unit(region * r, unit * u)
{
unit *newunit;
sprintf(buf, "%s entdeck%s ein kleines Dorf. Die meisten Häuser "
"wurden durch einen über die Ufer getretenen Fluß zerstört. Eine "
"Gruppe der verzweifelten Menschen schließt sich deiner Partei an.",
unitname(u), "en\0t" + (3 - 3 * (u->number == 1)));
addmessage(r, u->faction, buf, MSG_EVENT, ML_IMPORTANT);
newunit = createunit(r, u->faction, rand() % 20 + 3, u->faction->race);
fset(newunit, UFL_ISNEW|UFL_MOVED);
set_string(&newunit->name, "Dorfbewohner");
set_money(newunit, (rand() % 26 + 10) * newunit->number);
if (fval(u, UFL_PARTEITARNUNG)) fset(newunit, UFL_PARTEITARNUNG);
switch (rand() % 4) {
case 0:
set_level(newunit, SK_MINING, 1);
break;
case 1:
set_level(newunit, SK_LUMBERJACK, 1);
break;
case 2:
set_level(newunit, SK_CARTMAKER, 1);
break;
case 3:
set_level(newunit, SK_QUARRYING, 1);
break;
}
set_item(newunit, I_WAGON, rand() % 2);
set_item(newunit, I_HORSE, min(get_item(newunit, I_WAGON) * 2, rand() % 5));
}
static void
get_allies(region * r, unit * u)
{
unit *newunit = NULL;
switch (rterrain(r)) {
case T_PLAIN:
if (!r_isforest(r)) {
if (get_money(u) / u->number < 100 + rand() % 200)
return;
newunit = createunit(r, u->faction, rand() % 8 + 2, u->faction->race);
set_string(&newunit->name, "Söldner");
set_money(newunit, (rand() % 80 + 20) * newunit->number);
switch (rand() % 4) {
case 0:
set_level(newunit, SK_SWORD, 1+rand()%3);
set_item(newunit, I_SWORD, newunit->number);
break;
case 1:
set_level(newunit, SK_SPEAR, 1+rand()%3);
set_item(newunit, I_SPEAR, newunit->number);
break;
case 2:
set_level(newunit, SK_CROSSBOW, 1+rand()%3);
set_item(newunit, I_CROSSBOW, newunit->number);
break;
case 3:
set_level(newunit, SK_LONGBOW, 1+rand()%3);
set_item(newunit, I_LONGBOW, newunit->number);
break;
}
if (rand() % 100 < 40) {
set_item(newunit, I_CHAIN_MAIL, rand() % (newunit->number + 1));
}
if (rand() % 100 < 30) {
set_item(newunit, I_HORSE, newunit->number);
set_level(newunit, SK_RIDING, 1+rand()%3);
}
break;
} else {
if (eff_skill(u, SK_LONGBOW, r) < 3
&& eff_skill(u, SK_HERBALISM, r) < 2
&& eff_skill(u, SK_MAGIC, r) < 2) {
return;
}
newunit = createunit(r, u->faction, rand() % 6 + 2, u->faction->race);
set_string(&newunit->name, "Waldbewohner");
set_money(newunit, (rand() % 20 + 10) * newunit->number);
set_level(newunit, SK_LONGBOW, 2+rand()%3);
set_item(newunit, I_LONGBOW, newunit->number);
set_level(newunit, SK_OBSERVATION, 2+rand()%2);
set_level(newunit, SK_STEALTH, 1+rand()%2);
if (rand() % 100 < 20) {
set_level(newunit, SK_HERBALISM, 1+rand()%2);
}
}
break;
case T_SWAMP:
if (eff_skill(u, SK_OBSERVATION, r) <= 3) {
return;
}
newunit = createunit(r, u->faction, rand() % 6 + 2, u->faction->race);
set_string(&newunit->name, "Sumpfbewohner");
set_money(newunit, (rand() % 20 + 10) * newunit->number);
set_level(newunit, SK_SPEAR, 2+rand()%3);
set_item(newunit, I_SPEAR, newunit->number);
set_level(newunit, SK_STEALTH, 2+rand()%3);
break;
case T_DESERT:
if (eff_skill(u, SK_RIDING, r) <= 2) {
return;
}
newunit = createunit(r, u->faction, rand() % 12 + 2, u->faction->race);
set_string(&newunit->name, "Berber");
set_money(newunit, (rand() % 30 + 20) * newunit->number);
set_level(newunit, SK_SWORD, 1+rand()%2);
set_item(newunit, I_SWORD, newunit->number);
set_level(newunit, SK_TRADE, 1+rand()%3);
set_level(newunit, SK_RIDING, 2+rand()%2);
set_item(newunit, I_HORSE, newunit->number);
set_level(newunit, SK_HORSE_TRAINING, 2+rand()%2);
break;
case T_HIGHLAND:
if (eff_skill(u, SK_SWORD, r) <= 1) {
return;
}
newunit = createunit(r, u->faction, rand() % 8 + 2, u->faction->race);
set_string(&newunit->name, "Hochlandbarbaren");
set_money(newunit, (rand() % 10 + 20) * newunit->number);
set_level(newunit, SK_SWORD, 1+rand()%2);
set_item(newunit, I_SWORD, newunit->number);
break;
case T_MOUNTAIN:
if (eff_skill(u, SK_SWORD, r) <= 1
|| eff_skill(u, SK_TRADE, r) <= 2) {
return;
}
newunit = createunit(r, u->faction, rand() % 6 + 2, u->faction->race);
set_string(&newunit->name, "Bergbewohner");
set_money(newunit, (rand() % 40 + 60) * newunit->number);
set_level(newunit, SK_SWORD, 2+rand()%2);
set_item(newunit, I_SWORD, newunit->number);
set_level(newunit, SK_ARMORER, 2+rand()%2);
set_level(newunit, SK_TRADE, 1+rand()%3);
if (rand() % 100 < 60) {
set_item(newunit, I_PLATE_ARMOR, newunit->number);
}
break;
case T_GLACIER:
if (eff_skill(u, SK_SWORD, r) <= 1
|| eff_skill(u, SK_TRADE, r) <= 1) {
return;
}
newunit = createunit(r, u->faction, rand() % 4 + 2, u->faction->race);
set_string(&newunit->name, "Eisleute");
set_money(newunit, (rand() % 20 + 20) * newunit->number);
set_level(newunit, SK_SWORD, 2+rand()%2);
set_item(newunit, I_SWORD, newunit->number);
set_level(newunit, SK_ARMORER, 2+rand()%2);
break;
}
u_setfaction(newunit, u->faction);
set_racename(&newunit->attribs, get_racename(u->attribs));
if(u->race->flags & RCF_SHAPESHIFT) {
newunit->irace = u->irace;
}
if (fval(u, UFL_PARTEITARNUNG)) fset(newunit, UFL_PARTEITARNUNG);
fset(newunit, UFL_ISNEW);
sprintf(buf, "Plötzlich stolper%c %s über einige %s. Nach kurzem "
"Zögern entschließen sich die %s, sich Deiner Partei anzuschließen.",
u->number == 1 ? 't' : 'n', unitname(u), newunit->name, newunit->name);
addmessage(r, u->faction, buf, MSG_EVENT, ML_IMPORTANT);
}
static void
encounter(region * r, unit * u)
{
if (!fval(r, RF_ENCOUNTER)) return;
freset(r, RF_ENCOUNTER);
if (rand() % 100>=ENCCHANCE) return;
switch (rand() % 3) {
case 0:
find_manual(r, u);
break;
case 1:
get_unit(r, u);
break;
case 2:
get_allies(r, u);
break;
}
}
void
encounters(void)
{
region *r;
unit *u;
int n;
int c;
int i;
for (r = regions; r; r = r->next) {
if (rterrain(r) != T_OCEAN && fval(r, RF_ENCOUNTER)) {
c = 0;
for (u = r->units; u; u = u->next) {
c += u->number;
}
if (c > 0) {
n = rand() % c;
u = r->units;
for (i = u->number; i < n; i += u->number) {
u = u->next;
}
encounter(r, u);
}
}
}
}
void
chaos(region * r)
{
unit *u = NULL, *u2;
building *b, *b2;
if (rand() % 100 < 8) {
switch (rand() % 3) {
case 0: /* Untote */
if (rterrain(r) != T_OCEAN) {
u = random_unit(r);
if (u && playerrace(u->race)) {
sprintf(buf, "%s scheint von einer seltsamen Krankheit befallen.",
unitname(u));
addmessage(0, u->faction, buf, MSG_EVENT, ML_IMPORTANT);
u_setfaction(u, findfaction(MONSTER_FACTION));
u->race = new_race[RC_GHOUL];
}
}
break;
case 1: /* Drachen */
if (random_unit(r)) {
int mfac = 0;
switch (rand() % 3) {
case 0:
mfac = 100;
u = createunit(r, findfaction(MONSTER_FACTION), rand() % 8 + 1, new_race[RC_FIREDRAGON]);
if (u->number == 1) {
set_string(&u->name, "Feuerdrache");
} else {
set_string(&u->name, "Feuerdrachen");
}
break;
case 1:
mfac = 500;
u = createunit(r, findfaction(MONSTER_FACTION), rand() % 4 + 1, new_race[RC_DRAGON]);
if (u->number == 1) {
set_string(&u->name, "Drache");
} else {
set_string(&u->name, "Drachen");
}
break;
case 2:
mfac = 1000;
u = createunit(r, findfaction(MONSTER_FACTION), rand() % 2 + 1, new_race[RC_WYRM]);
if (u->number == 1) {
set_string(&u->name, "Wyrm");
} else {
set_string(&u->name, "Wyrme");
}
break;
}
if (mfac) set_money(u, u->number * (rand() % mfac));
fset(u, UFL_ISNEW|UFL_MOVED);
}
case 2: /* Terrainveränderung */
if (!(terrain[rterrain(r)].flags & FORBIDDEN_LAND)) {
if (rterrain(r) != T_OCEAN) {
direction_t dir;
for (dir=0;dir!=MAXDIRECTIONS;++dir) {
if (rconnect(r, dir) && rterrain(rconnect(r, dir)) == T_OCEAN) break;
}
if (dir!=MAXDIRECTIONS) {
ship * sh = r->ships;
while (sh) {
ship * nsh = sh->next;
damage_ship(sh, 0.50);
if (sh->damage >= sh->size * DAMAGE_SCALE) destroy_ship(sh);
sh = nsh;
}
for (u = r->units; u;) {
u2 = u->next;
if (u->race != new_race[RC_SPELL] && u->ship == 0) {
set_number(u, 0);
}
u = u2;
}
ADDMSG(&r->msgs, msg_message("tidalwave", "region", r));
for (b = rbuildings(r); b;) {
b2 = b->next;
destroy_building(b);
b = b2;
}
terraform(r, T_OCEAN);
}
} else {
direction_t dir;
for (dir=0;dir!=MAXDIRECTIONS;++dir) {
if (rconnect(r, dir) && rterrain(rconnect(r, dir)) != T_OCEAN) break;
}
if (dir!=MAXDIRECTIONS) {
switch (rand() % 8) {
case 0:
terraform(r, T_PLAIN);
break;
case 1:
terraform(r, T_HIGHLAND);
break;
case 2:
terraform(r, T_MOUNTAIN);
break;
case 3:
terraform(r, T_GLACIER);
break;
case 4:
terraform(r, T_DESERT);
break;
default:
terraform(r, T_SWAMP);
break;
}
}
}
}
}
}
}
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
damage_unit(unit *u, const char *dam, boolean armor, boolean magic)
{
int *hp = malloc(u->number * sizeof(int));
int h;
int i, dead = 0, hp_rem = 0, heiltrank;
if (u->number==0) return 0;
h = u->hp/u->number;
/* HP verteilen */
for (i=0; i<u->number; i++) hp[i] = h;
h = u->hp - (u->number * h);
for (i=0; i<h; i++) hp[i]++;
/* Schaden */
for (i=0; i<u->number; i++) {
int damage = dice_rand(dam);
if (magic) damage = (int)(damage * (1.0 - magic_resistance(u)));
if (armor) damage -= nb_armor(u, i);
hp[i] -= damage;
}
/* Auswirkungen */
for (i=0; i<u->number; i++) {
if (hp[i] <= 0){
heiltrank = 0;
/* Sieben Leben */
if (old_race(u->race) == RC_CAT && (chance(1.0 / 7))) {
hp[i] = u->hp/u->number;
hp_rem += hp[i];
continue;
}
/* Heiltrank */
if (get_effect(u, oldpotiontype[P_HEAL]) > 0) {
change_effect(u, oldpotiontype[P_HEAL], -1);
heiltrank = 1;
} else if (get_potion(u, P_HEAL) > 0) {
i_change(&u->items, oldpotiontype[P_HEAL]->itype, -1);
change_effect(u, oldpotiontype[P_HEAL], 3);
heiltrank = 1;
}
if (heiltrank && (chance(0.50))) {
hp[i] = u->hp/u->number;
hp_rem += hp[i];
continue;
}
dead++;
} else {
hp_rem += hp[i];
}
}
scale_number(u, u->number - dead);
u->hp = hp_rem;
free(hp);
return dead;
}
void
drown(region *r)
{
if (rterrain(r) == T_OCEAN) {
unit ** up = up=&r->units;
while (*up) {
unit *u = *up;
int amphibian_level = fspecial(u->faction, FS_AMPHIBIAN);
if (u->ship || u->race == new_race[RC_SPELL]) {
up=&u->next;
continue;
}
if (amphibian_level) {
int dead = damage_unit(u, "5d1", false, false);
if (dead) {
ADDMSG(&u->faction->msgs, new_message(u->faction,
"drown_amphibian_dead%d:amount%u:unit%r:region",dead, u, r));
} else {
ADDMSG(&u->faction->msgs, new_message(u->faction,
"drown_amphibian_nodead%u:unit%r:region",u, r));
}
} else if (!canswim(u)) {
scale_number(u, 0);
ADDMSG(&u->faction->msgs, new_message(u->faction,
"drown%u:unit%r:region", u, r));
}
if (*up==u) up=&u->next;
}
remove_empty_units_in_region(r);
}
}
region *
rrandneighbour(region *r)
{
direction_t i;
region *rc = NULL;
int rr, c = 0;
/* Nachsehen, wieviele Regionen in Frage kommen */
for (i = 0; i != MAXDIRECTIONS; i++) {
c++;
}
/* Zufällig eine auswählen */
rr = rand() % c;
/* Durchzählen */
c = -1;
for (i = 0; i != MAXDIRECTIONS; i++) {
rc = rconnect(r, i);
c++;
if (c == rr) break;
}
assert(i!=MAXDIRECTIONS);
return rc;
}
void
volcano_outbreak(region *r)
{
attrib *a;
region *rn;
unit *u, **up;
faction *f;
for (u=r->units; u; u=u->next) {
f = u->faction;
freset(f, FL_DH);
}
rn = rrandneighbour(r);
/* Vulkan-Region verwüsten */
#if GROWING_TREES
rsettrees(r, 2, 0);
rsettrees(r, 1, 0);
rsettrees(r, 0, 0);
#else
rsettrees(r, 0);
#endif
a = a_find(r->attribs, &at_reduceproduction);
if (!a) a = a_add(&r->attribs, a_new(&at_reduceproduction));
/* Produktion vierteln ... */
a->data.sa[0] = 25;
/* Für 6-17 Runden */
a->data.sa[1] = (short)(a->data.sa[1] + 6 + rand()%12);
/* Personen bekommen 4W10 Punkte Schaden. */
for (up=&r->units; *up;) {
unit * u = *up;
int dead = damage_unit(u, "4d10", true, false);
if (dead) {
ADDMSG(&u->faction->msgs, new_message(u->faction,
"volcano_dead%u:unit%r:region%i:dead", u, r, dead));
}
if (!fval(u->faction, FL_DH)) {
fset(u->faction, FL_DH);
if (rn) {
ADDMSG(&u->faction->msgs, new_message(u->faction,
"volcanooutbreak%r:regionv%r:regionn", r, rn));
} else {
ADDMSG(&u->faction->msgs, new_message(u->faction,
"volcanooutbreaknn%r:region", r));
}
}
if (u==*up) up=&u->next;
}
remove_empty_units_in_region(r);
/* Zufällige Nachbarregion verwüsten */
if (rn) {
#if GROWING_TREES
rsettrees(r, 2, 0);
rsettrees(r, 1, 0);
rsettrees(r, 0, 0);
#else
rsettrees(r, 0);
#endif
a = a_find(rn->attribs, &at_reduceproduction);
if (!a) a = a_add(&rn->attribs, a_new(&at_reduceproduction));
/* Produktion vierteln ... */
a->data.sa[0] = 25;
/* Für 6-17 Runden */
a->data.sa[1] = (short)(a->data.sa[1] + 6 + rand()%12);
/* Personen bekommen 3W10 Punkte Schaden. */
for (up=&rn->units; *up;) {
unit * u = *up;
int dead = damage_unit(u, "3d10", true, false);
if (dead) {
ADDMSG(&u->faction->msgs, new_message(u->faction,
"volcano_dead%u:unit%r:region%i:dead", u, rn, dead));
}
if (!fval(u->faction, FL_DH)) {
ADDMSG(&u->faction->msgs, new_message(u->faction,
"volcano_dead%u:unit%r:region%i:dead", u, r, dead));
fset(u->faction, FL_DH);
}
if (u==*up) up=&u->next;
}
remove_empty_units_in_region(rn);
}
}
static void
melt_iceberg(region *r)
{
attrib *a;
unit *u;
building *b, *b2;
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)) {
fset(u->faction, FL_DH);
ADDMSG(&u->faction->msgs, new_message(u->faction,
"iceberg_melt%r:region", r));
}
/* driftrichtung löschen */
a = a_find(r->attribs, &at_iceberg);
if (a) a_remove(&r->attribs, a);
/* Gebäude löschen */
for (b = rbuildings(r); b; b = b2) {
b2 = b->next;
destroy_building(b);
}
/* in Ozean wandeln */
terraform(r, T_OCEAN);
/* Einheiten, die nicht schwimmen können oder in Schiffen sind,
* ertrinken */
drown(r);
}
static void
move_iceberg(region *r)
{
attrib *a;
direction_t dir;
region *rc;
a = a_find(r->attribs, &at_iceberg);
if (!a) {
dir = (direction_t)(rand()%MAXDIRECTIONS);
a = a_add(&r->attribs, make_iceberg(dir));
} else {
if (rand()%100 < 20) {
dir = (direction_t)(rand()%MAXDIRECTIONS);
a->data.i = dir;
} else {
dir = (direction_t)a->data.i;
}
}
rc = rconnect(r, dir);
if (rc && rterrain(rc) != T_GLACIER && rterrain(rc) != T_ICEBERG
&& rterrain(rc) != T_ICEBERG_SLEEP) {
if (rterrain(rc) == T_OCEAN) { /* Eisberg treibt */
ship *sh, *shn;
unit *u;
int x, y;
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)) {
fset(u->faction, FL_DH);
ADDMSG(&u->faction->msgs, new_message(u->faction,
"iceberg_drift%r:region%d:dir", r, dir));
}
x = r->x;
y = r->y;
runhash(r);
runhash(rc);
r->x = rc->x;
r->y = rc->y;
rc->x = x;
rc->y = y;
rhash(rc);
rhash(r);
/* rc ist der Ozean (Ex-Eisberg), r der Eisberg (Ex-Ozean) */
/* Schiffe aus dem Zielozean werden in den Eisberg transferiert
* und nehmen Schaden. */
for (sh = r->ships; sh; sh=sh->next) freset(sh, FL_DH);
for (sh = r->ships; sh; sh = sh->next) {
/* Meldung an Kapitän */
damage_ship(sh, 0.10);
fset(sh, FL_DH);
}
/* Personen, Schiffe und Gebäude verschieben */
while (rc->buildings) {
rc->buildings->region = r;
translist(&rc->buildings, &r->buildings, rc->buildings);
}
while (rc->ships) {
fset(rc->ships, FL_DH);
damage_ship(rc->ships, 0.10);
move_ship(rc->ships, rc, r, NULL);
}
while (rc->units) {
building * b = rc->units->building;
u = rc->units;
move_unit(rc->units, r, NULL);
u->building = b; /* move_unit macht ein leave() */
}
/* Beschädigte Schiffe können sinken */
for (sh = r->ships; sh;) {
shn = sh->next;
if (fval(sh, FL_DH)) {
u = captain(sh, r);
if (sh->damage>=sh->size * DAMAGE_SCALE) {
if (u) ADDMSG(&u->faction->msgs, new_message(u->faction,
"overrun_by_iceberg_des%h:ship", sh));
destroy_ship(sh);
} else {
if (u) ADDMSG(&u->faction->msgs, new_message(u->faction,
"overrun_by_iceberg%h:ship", sh));
}
}
sh = shn;
}
} else if (rand()%100 < 20) { /* Eisberg bleibt als Gletscher liegen */
unit *u;
rsetterrain(r, T_GLACIER);
a_remove(&r->attribs, a);
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)) {
fset(u->faction, FL_DH);
ADDMSG(&u->faction->msgs, new_message(u->faction,
"iceberg_land%r:region", r));
}
}
}
}
static void
move_icebergs(void)
{
region *r;
for (r=regions; r; r=r->next) if (rterrain(r) == T_ICEBERG && !fval(r, RF_DH)) {
if (rand()%100 < 60) {
fset(r, RF_DH);
move_iceberg(r);
} else if (rand()%100 < 10){
fset(r, RF_DH);
melt_iceberg(r);
}
}
}
void
create_icebergs(void)
{
region *r;
for (r=regions; r; r=r->next) if (rterrain(r) == T_ICEBERG_SLEEP && rand()%100 < 5) {
boolean has_ocean_neighbour = false;
direction_t dir;
region *rc;
unit *u;
freset(r, RF_DH);
for (dir=0; dir < MAXDIRECTIONS; dir++) {
rc = rconnect(r, dir);
if (rc && rterrain(rc) == T_OCEAN) {
has_ocean_neighbour = true;
break;
}
}
if (!has_ocean_neighbour) continue;
rsetterrain(r, T_ICEBERG);
fset(r, RF_DH);
move_iceberg(r);
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)) {
fset(u->faction, FL_DH);
ADDMSG(&u->faction->msgs, msg_message("iceberg_create", "region", r));
}
}
}
static void
godcurse(void)
{
region *r;
for(r=regions; r; r=r->next) {
if(is_cursed(r->attribs, C_CURSED_BY_THE_GODS, 0)) {
unit * u;
for(u=r->units; u; u=u->next) {
skill * sv = u->skills;
while (sv!=u->skills+u->skill_size) {
int weeks = 1+rand()%3;
reduce_skill(u, sv, weeks);
++sv;
}
}
}
}
if (rterrain(r) == T_OCEAN) {
ship *sh;
for (sh = r->ships; sh;) {
ship *shn = sh->next;
damage_ship(sh, 0.10);
if (sh->damage>=sh->size * DAMAGE_SCALE) {
unit * u = shipowner(sh);
if (u) ADDMSG(&u->faction->msgs,
msg_message("godcurse_destroy_ship", "ship", sh));
destroy_ship(sh);
}
sh = shn;
}
}
}
static unit *
split_unit(region * r, unit *u)
{
unit *u2 = createunit(r, u->faction, 0, u->race);
int newsize = u->number/2;
set_string(&u2->name, u->name);
set_string(&u2->display, u->display);
transfermen(u, u2, newsize);
return u2;
}
static void
check_split(void)
{
region *r;
unit *u;
for(r=regions;r;r=r->next) {
for(u=r->units;u;u=u->next) {
if(u->faction->no == MONSTER_FACTION) {
if(u->number > u->race->splitsize) {
unit * u2 = split_unit(r, u);
fset(u2, UFL_ISNEW|UFL_MOVED);
}
}
}
}
}
/** handles the "orcish" curse that makes units grow like old orks
* This would probably be better handled in an age-function for the curse,
* but it's now being called by randomevents()
*/
static void
orc_growth(void)
{
region * r;
for (r = regions; r; r = r->next) {
unit *u;
for (u = r->units; u; u = u->next) {
curse *c = get_curse(u->attribs, ct_find("orcish"));
if (c && !has_skill(u, SK_MAGIC) && !has_skill(u, SK_ALCHEMY) && !fval(u, UFL_HERO)) {
int n;
int increase = 0;
int num = get_cursedmen(u, c);
int prob = curse_geteffect(c);
for (n = (num - get_item(u, I_CHASTITY_BELT)); n > 0; n--) {
if (rand() % 100 < prob) {
++increase;
}
}
if (increase) {
unit * u2 = create_unit(r, u->faction, increase, u->race, 0, NULL, u);
transfermen(u2, u, u2->number);
ADDMSG(&u->faction->msgs, msg_message("orcgrowth",
"unit amount race", u, increase, u->race));
}
}
}
}
}
/** Talente von Dämonen verschieben sich.
*/
static void
demon_skillchanges(void)
{
region * r;
for (r = regions; r; r = r->next) {
unit * u;
for (u = r->units; u; u = u->next) {
if (u->race == new_race[RC_DAEMON]) {
skill * sv = u->skills;
while (sv!=u->skills+u->skill_size) {
if (sv->level>0 && rand() % 100 < 25) {
int weeks = 1+rand()%3;
if (rand() % 100 < 40) {
reduce_skill(u, sv, weeks);
} else {
while (weeks--) learn_skill(u, sv->id, 1.0);
}
if (sv->old>sv->level) {
log_printf("%s dropped from %u to %u:%u in %s\n",
unitname(u), sv->old, sv->level,
sv->weeks, skillname(sv->id, NULL));
}
}
++sv;
}
}
}
}
}
/** Eisberge entstehen und bewegen sich.
* Einheiten die im Wasser landen, ertrinken.
*/
static void
icebergs(void)
{
region * r;
create_icebergs();
move_icebergs();
for (r=regions; r; r=r->next) {
drown(r);
}
}
void
randomevents(void)
{
faction *f;
region *r;
building *b, *b2;
unit *u;
icebergs();
godcurse();
orc_growth();
demon_skillchanges();
#if RACE_ADJUSTMENTS == 0
/* Orks vermehren sich */
for (r = regions; r; r = r->next) {
plane * p = rplane(r);
/* there is a flag for planes without orc growth: */
if (p && (p->flags & PFL_NOORCGROWTH)) continue;
for (u = r->units; u; u = u->next) {
if ( (u->race == new_race[RC_ORC])
&& !has_skill(u, SK_MAGIC) && !has_skill(u, SK_ALCHEMY)) {
int n;
int increase = 0;
int num = u->number;
int prob = 5;
for (n = (num - get_item(u, I_CHASTITY_BELT)); n > 0; n--) {
if (rand() % 100 < prob) {
++increase;
}
}
if (increase) {
if (u->race == new_race[RC_ORC]) {
int i;
struct orcskills {
skill_t skill;
int level;
} skills [] = {
{ SK_SWORD, 1 }, { SK_SPEAR, 1 }, { SK_TACTICS, 0 },
{ SK_LONGBOW, 0 }, { SK_CROSSBOW, 0 }, { SK_CATAPULT, 0 },
{ SK_AUSDAUER, 0 }, { NOSKILL, 0 }
};
for (i=0;skills[i].skill!=NOSKILL;++i) {
int k = get_level(u, skills[i].skill);
change_skill(u, skills[i].skill, increase * max(k, s));
}
}
set_number(u, u->number + increase);
u->hp += unit_max_hp(u) * increase;
ADDMSG(&u->faction->msgs, msg_message("orcgrowth",
"unit amount race", u, increase, u->race));
}
}
}
}
#endif
for (r = regions; r; r = r->next) {
#if !RACE_ADJUSTMENTS
/* Elfen generieren Wald */
if (r->land && !fval(r, RF_MALLORN)) {
#if GROWING_TREES
int trees = rtrees(r, 2);
#else
int trees = rtrees(r);
#endif
int maxgen = (production(r) * MAXPEASANTS_PER_AREA)/8;
for (u = r->units; u && maxgen > 0; u = u->next) {
if (u->race == new_race[RC_ELF]) {
for (n = u->number; n && maxgen > 0; n--) {
if (rand() % 1000 < 15) { /* 1.5% Chance */
trees++;
}
maxgen--;
}
}
}
#if GROWING_TREES
rsettrees(r, 2, trees);
#else
rsettrees(r, trees);
#endif /* GROWING_TREES */
} /* !RACE_ADJUSTMENTS */
#endif
}
/* Orkifizierte Regionen mutieren und mutieren zurück */
for (r = regions; r; r = r->next) {
if (fval(r, RF_ORCIFIED)) {
direction_t dir;
double probability = 0.0;
for (dir = 0; dir < MAXDIRECTIONS; dir++) {
region *rc = rconnect(r, dir);
if (rc && rpeasants(rc) > 0 && !fval(rc, RF_ORCIFIED)) probability += 0.02;
}
if (chance(probability)) {
ADDMSG(&r->msgs, msg_message("deorcified", "region", r));
freset(r, RF_ORCIFIED);
}
} else {
attrib *a = a_find(r->attribs, &at_orcification);
if (a!=NULL) {
double probability = 0.0;
if (rpeasants(r) <= 0) continue;
probability = a->data.i/(double)rpeasants(r);
if (chance(probability)) {
fset(r, RF_ORCIFIED);
a_remove(&r->attribs, a);
ADDMSG(&r->msgs, msg_message("orcified", "region", r));
} else {
a->data.i -= max(10,a->data.i/10);
if (a->data.i <= 0) a_remove(&r->attribs, a);
}
}
}
}
/* Vulkane qualmen, brechen aus ... */
for (r = regions; r; r = r->next) {
if (rterrain(r)==T_VOLCANO_SMOKING && a_find(r->attribs, &at_reduceproduction)) {
ADDMSG(&r->msgs, msg_message("volcanostopsmoke", "region", r));
rsetterrain(r, T_VOLCANO);
} else switch(rterrain(r)) {
case T_VOLCANO:
if (rand()%100 < 4) {
ADDMSG(&r->msgs, msg_message("volcanostartsmoke", "region", r));
rsetterrain(r, T_VOLCANO_SMOKING);
}
break;
case T_VOLCANO_SMOKING:
if (rand()%100 < 12) {
ADDMSG(&r->msgs, msg_message("volcanostopsmoke", "region", r));
rsetterrain(r, T_VOLCANO);
} else if (rand()%100 < 8) {
volcano_outbreak(r);
}
break;
}
}
/* Monumente zerfallen, Schiffe verfaulen */
for (r = regions; r; r = r->next) {
for (b = rbuildings(r); b; b = b2) {
b2 = b->next;
if (fval(b->type, BTF_DECAY) && !buildingowner(r, b)) {
b->size -= max(1, (b->size * 20) / 100);
if (b->size == 0) {
destroy_building(b);
}
}
}
}
/* Drachen und Seeschlangen können entstehen */
printf("\n");
for (r = regions; r; r = r->next) {
unit * u;
message * msg;
if (rterrain(r) == T_OCEAN && rand()%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 || rterrain(r) == T_SWAMP || rterrain(r) == T_DESERT) && rand() % 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 * (rand() % 500 + 100));
set_level(u, SK_MAGIC, 4);
set_level(u, SK_OBSERVATION, 1+rand()%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 */
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 && rand() % 10000 < (100 + 100 * chaosfactor(r))) {
/* 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 / (rand() % 2 + 1);
const race * rc = NULL;
int i;
if (!undead || r->age < 20) continue;
switch(rand()%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]) && rand()%10 < 4) {
set_item(u, I_RUSTY_SWORD, undead);
if (rand()%10 < 3) {
set_item(u, I_RUSTY_SHIELD, undead);
}
if (rand()%10 < 2) {
set_item(u, I_RUSTY_CHAIN_MAIL, 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));
}
}
}
for (r = regions; r; r=r->next) {
for (u=r->units; u; u=u->next) {
if (u->faction->no != MONSTER_FACTION
&& (u->race->flags & RCF_DESERT)) {
if (fval(u, UFL_ISNEW)) continue;
if (rand()%100 < 5) {
ADDMSG(&u->faction->msgs, msg_message("desertion",
"unit region", u, r));
u_setfaction(u, findfaction(MONSTER_FACTION));
}
}
}
}
for (f = factions; f; f=f->next) {
int level = fspecial(f, FS_LYCANTROPE);
if(level > 0) {
for(u = f->units; u; u=u->nextF) {
if(rand()%100 < 2*level) {
ADDMSG(&u->faction->msgs, msg_message("becomewere",
"unit region", u, u->region));
fset(u, UFL_WERE);
}
}
}
}
/* Frühling, die Bäume schlagen aus. */
for (r = regions; r; r = r->next) {
if (fval(r, RF_CHAOTIC) ||(r->x >= -13 && r->x <= -6 && r->y >= 50 && r->y <= 57)) {
if (woodcount(r) >= 40 && rand()%100 < 33) {
#if GROWING_TREES
int trees = rtrees(r,2);
#else
int trees = rtrees(r);
#endif
int treemen = rand()%(max(50,trees)/3);
struct message * msg;
treemen = max(25, treemen);
woodcounts(r, -40);
trees = max(0, trees-treemen);
#if GROWING_TREES
rsettrees(r, 2, trees);
#else
rsettrees(r, trees);
#endif
u = createunit(r, findfaction(MONSTER_FACTION),treemen, new_race[RC_TREEMAN]);
fset(u, UFL_ISNEW|UFL_MOVED);
set_level(u, SK_OBSERVATION, 2);
if (u->number == 1)
set_string(&u->name, "Ein wütender Ent");
else
set_string(&u->name, "Wütende Ents");
log_printf("%d Ents in %s.\n", u->number, regionname(r, NULL));
msg = msg_message("entrise", "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);
}
}
}
/* Chaos */
for (r = regions; r; r = r->next) {
int i;
if (fval(r, RF_CHAOTIC)) {
chaos(r);
}
i = chaoscount(r);
if (!i) continue;
chaoscounts(r, -(int) (i * ((double) (rand() % 10)) / 100.0));
}
#ifdef HERBS_ROT
/* Kräuter verrotten */
for (r = regions; r; r = r->next) {
for (u = r->units; u; u=u->next) {
item **itmp = &u->items, *hbag = *i_find(&u->items, olditemtype[I_SACK_OF_CONSERVATION]);
int rot_chance = HERBROTCHANCE;
if (hbag) rot_chance = (HERBROTCHANCE*2)/5;
while (*itmp) {
item * itm = *itmp;
const herb_type * htype = resource2herb(itm->type->rtype);
int n = itm->number;
double k = n*rot_chance/100.0;
if (htype!=NULL) {
n = (int)(min(n, normalvariate(k, k/4)));
i_change(itmp, itm->type, -n);
}
if (itm==*itmp) itmp=&itm->next;
}
}
}
#endif
dissolve_units();
check_split();
check_luck();
}
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