server/src/common/kernel/give.c
Enno Rehling 2079db13cf http://eressea.upb.de/mantis/view.php?id=370
Rekrutieren und div. andere Dinge waren möglich, weil HELFE GIB ein automatisches KONTAKTIERE setzte.
 Ich habe den Code nach anderen Vorkommen aehnlicher Bugs untersucht und repariert.
2005-02-05 18:11:23 +00:00

378 lines
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/* vi: set ts=2:
+-------------------+ Christian Schlittchen <corwin@amber.kn-bremen.de>
| | Enno Rehling <enno@eressea-pbem.de>
| Eressea PBEM host | Katja Zedel <katze@felidae.kn-bremen.de>
| (c) 1998 - 2003 | Henning Peters <faroul@beyond.kn-bremen.de>
| | Ingo Wilken <Ingo.Wilken@informatik.uni-oldenburg.de>
+-------------------+ Stefan Reich <reich@halbling.de>
This program may not be used, modified or distributed
without prior permission by the authors of Eressea.
*/
#include <config.h>
#include "eressea.h"
#include "give.h"
/* kernel includes */
#include "faction.h"
#include "item.h"
#include "magic.h"
#include "message.h"
#include "order.h"
#include "pool.h"
#include "race.h"
#include "region.h"
#include "reports.h"
#include "ship.h"
#include "skill.h"
#include "unit.h"
/* attributes includes */
#include <attributes/racename.h>
#include <attributes/orcification.h>
/* util includes */
#include <util/event.h>
#include <util/base36.h>
/* libc includes */
#include <limits.h>
#include <stdlib.h>
/* Wieviel Fremde eine Partei pro Woche aufnehmen kann */
#define MAXNEWBIES 5
#define RESERVE_DONATIONS /* shall we reserve objects given to us by other factions? */
#define RESERVE_GIVE /* reserve anything that's given from one unit to another? */
static int
GiveRestriction(void) {
static int value = -1;
if (value<0) {
const char * str = get_param(global.parameters, "GiveRestriction");
value = str?atoi(str):0;
}
return value;
}
static void
add_give(unit * u, unit * u2, int n, const resource_type * rtype, struct order * ord, int error)
{
if (error) {
cmistake(u, ord, error, MSG_COMMERCE);
}
else if (!u2 || u2->faction!=u->faction) {
assert(rtype);
add_message(&u->faction->msgs,
msg_message("give", "unit target resource amount",
u, u2?ucansee(u->faction, u2, u_unknown()):u_peasants(), rtype, n));
if (u2) {
add_message(&u2->faction->msgs,
msg_message("give", "unit target resource amount",
ucansee(u2->faction, u, u_unknown()), u2, rtype, n));
}
}
}
static void
give_peasants(int n, const item_type * itype, unit * src)
{
region *r = src->region;
/* horses are given to the region via itype->give! */
if (itype->rtype==r_silver) {
rsetmoney(r, rmoney(r) + n);
}
}
int
give_item(int want, const item_type * itype, unit * src, unit * dest, struct order * ord)
{
short error = 0;
int n;
assert(itype!=NULL);
n = new_get_pooled(src, item2resource(itype), GET_DEFAULT);
n = min(want, n);
if (dest && src->faction != dest->faction && src->faction->age < GiveRestriction()) {
if (ord!=NULL) {
ADDMSG(&src->faction->msgs, msg_feedback(src, ord, "giverestriction",
"turns", GiveRestriction()));
}
return -1;
} else if (n == 0) {
error = 36;
} else if (itype->flags & ITF_CURSED) {
error = 25;
} else if (itype->give && !itype->give(src, dest, itype, n, ord)) {
return -1;
} else {
int use = new_use_pooled(src, item2resource(itype), GET_SLACK, n);
if (use<n) use += new_use_pooled(src, item2resource(itype), GET_RESERVE|GET_POOLED_SLACK, n-use);
if (dest) {
i_change(&dest->items, itype, n);
#ifdef RESERVE_GIVE
#ifdef RESERVE_DONATIONS
new_change_resvalue(dest, item2resource(itype), n);
#else
if (src->faction==dest->faction) {
new_change_resvalue(dest, item2resource(itype), n);
}
#endif
#endif
handle_event(&src->attribs, "give", dest);
handle_event(&dest->attribs, "receive", src);
#if defined(MUSEUM_MODULE) && defined(TODO)
/* TODO: Einen Trigger f<>r den museums-warden benutzen! */
if (a_find(dest->attribs, &at_warden)) {
/* warden_add_give(src, dest, itype, n); */
}
#endif
}else{
/* gib bauern */
give_peasants(use, itype, src);
}
}
add_give(src, dest, n, item2resource(itype), ord, error);
if (error) return -1;
return 0;
}
void
give_men(int n, unit * u, unit * u2, struct order * ord)
{
ship *sh;
int k = 0;
int error = 0;
if (u2 && u->faction != u2->faction && u->faction->age < GiveRestriction()) {
ADDMSG(&u->faction->msgs, msg_feedback(u, ord, "giverestriction",
"turns", GiveRestriction()));
return;
} else if (u == u2) {
error = 10;
#if RACE_ADJUSTMENTS
} else if (!u2 && u->race == new_race[RC_SNOTLING]) {
/* Snotlings k<>nnen nicht an Bauern <20>bergeben werden. */
error = 307;
#endif
#ifdef HEROES
} else if (u2 && u2->number>0 && fval(u, UFL_HERO)!=fval(u2, UFL_HERO)) {
error = 75;
#endif
} else if ((u && unit_has_cursed_item(u)) || (u2 && unit_has_cursed_item(u2))) {
error = 78;
} else if (fval(u, UFL_LOCKED) || fval(u, UFL_HUNGER) || is_cursed(u->attribs, C_SLAVE, 0)) {
error = 74;
} else if (u2 && (fval(u2, UFL_LOCKED)|| is_cursed(u2->attribs, C_SLAVE, 0))) {
error = 75;
} else if (u2 && u2->faction != u->faction && !alliedunit(u2, u->faction, HELP_GIVE) && !ucontact(u2, u)) {
error = 73;
} else if (u2 && (has_skill(u, SK_MAGIC) || has_skill(u2, SK_MAGIC))) {
error = 158;
} else if (u2 && fval(u, UFL_WERE) != fval(u2, UFL_WERE)) {
error = 312;
} else if (u2 && u2->number!=0 && u2->race != u->race) {
log_warning(("Partei %s versucht %s an %s zu <20>bergeben.\n",
itoa36(u->faction->no), u->race->_name[0],
u2->race->_name[1]));
error = 139;
} else if (u2!=NULL && (get_racename(u2->attribs) || get_racename(u->attribs))) {
error = 139;
} else {
if (n > u->number) n = u->number;
if (n == 0) {
error = 96;
} else if (u2 && u->faction != u2->faction) {
if (u2->faction->newbies + n > MAXNEWBIES) {
error = 129;
} else if (u->race != u2->faction->race) {
if (u2->faction->race != new_race[RC_HUMAN]) {
error = 120;
} else if (count_migrants(u2->faction) + n > count_maxmigrants(u2->faction)) {
error = 128;
}
else if (teure_talente(u) || teure_talente(u2)) {
error = 154;
} else if (u2->number!=0) {
error = 139;
}
}
}
}
if (u2 && (has_skill(u, SK_ALCHEMY) || has_skill(u2, SK_ALCHEMY))) {
k = count_skill(u2->faction, SK_ALCHEMY);
/* Falls die Zieleinheit keine Alchemisten sind, werden sie nun
* welche. */
if (!has_skill(u2, SK_ALCHEMY) && has_skill(u, SK_ALCHEMY))
k += u2->number;
/* Wenn in eine Alchemisteneinheit Personen verschoben werden */
if (has_skill(u2, SK_ALCHEMY) && !has_skill(u, SK_ALCHEMY))
k += n;
/* Wenn Parteigrenzen <20>berschritten werden */
if (u2->faction != u->faction)
k += n;
/* wird das Alchemistenmaximum ueberschritten ? */
if (k > max_skill(u2->faction, SK_ALCHEMY)) {
error = 156;
}
}
if (error==0) {
if (u2 && u2->number == 0) {
set_racename(&u2->attribs, get_racename(u->attribs));
u2->race = u->race;
u2->irace = u->irace;
#ifdef HEROES
if (fval(u, UFL_HERO)) fset(u2, UFL_HERO);
else freset(u2, UFL_HERO);
#endif
}
if (u2) {
/* Einheiten von Schiffen k<>nnen nicht NACH in von
* Nicht-alliierten bewachten Regionen ausf<73>hren */
sh = leftship(u);
if (sh) set_leftship(u2, sh);
transfermen(u, u2, n);
if (u->faction != u2->faction) {
u2->faction->newbies += n;
}
} else {
if (getunitpeasants) {
#ifdef ORCIFICATION
if (u->race == new_race[RC_ORC] && !fval(u->region, RF_ORCIFIED)) {
attrib *a = a_find(u->region->attribs, &at_orcification);
if (!a) a = a_add(&u->region->attribs, a_new(&at_orcification));
a->data.i += n;
}
#endif
transfermen(u, NULL, n);
} else {
error = 159;
}
}
}
if (error) {
cmistake(u, ord, error, MSG_COMMERCE);
}
else if (!u2 || u2->faction!=u->faction) {
ADDMSG(&u->faction->msgs, msg_message("give_person", "unit target amount",
u, u2?ucansee(u->faction, u2, u_unknown()):u_peasants(), n));
if (u2) {
ADDMSG(&u2->faction->msgs, msg_message("give_person", "unit target amount",
ucansee(u2->faction, u, u_unknown()), u2, n));
}
}
}
void
give_unit(unit * u, unit * u2, order * ord)
{
region * r = u->region;
int n = u->number;
if (u && unit_has_cursed_item(u)) {
cmistake(u, ord, 78, MSG_COMMERCE);
return;
}
#ifdef HEROES
if (fval(u, UFL_HERO)) {
cmistake(u, ord, 75, MSG_COMMERCE);
return;
}
#endif
if (fval(u, UFL_LOCKED) || fval(u, UFL_HUNGER)) {
cmistake(u, ord, 74, MSG_COMMERCE);
return;
}
if (u2 == NULL) {
if (rterrain(r) == T_OCEAN) {
cmistake(u, ord, 152, MSG_COMMERCE);
} else if (getunitpeasants) {
unit *u3;
for(u3 = r->units; u3; u3 = u3->next)
if(u3->faction == u->faction && u != u3) break;
if(u3) {
while (u->items) {
item * iold = i_remove(&u->items, u->items);
item * inew = *i_find(&u3->items, iold->type);
if (inew==NULL) i_add(&u3->items, iold);
else {
inew->number += iold->number;
i_free(iold);
}
}
}
give_men(u->number, u, NULL, ord);
cmistake(u, ord, 153, MSG_COMMERCE);
} else {
cmistake(u, ord, 63, MSG_COMMERCE);
}
return;
}
if (!alliedunit(u2, u->faction, HELP_GIVE) && ucontact(u2, u) == 0) {
cmistake(u, ord, 73, MSG_COMMERCE);
return;
}
if (u->number == 0) {
cmistake(u, ord, 105, MSG_COMMERCE);
return;
}
if (u2->faction->newbies + n > MAXNEWBIES) {
cmistake(u, ord, 129, MSG_COMMERCE);
return;
}
if (u->race != u2->faction->race) {
if (u2->faction->race != new_race[RC_HUMAN]) {
cmistake(u, ord, 120, MSG_COMMERCE);
return;
}
if (count_migrants(u2->faction) + u->number > count_maxmigrants(u2->faction)) {
cmistake(u, ord, 128, MSG_COMMERCE);
return;
}
if (teure_talente(u)) {
cmistake(u, ord, 154, MSG_COMMERCE);
return;
}
}
if (has_skill(u, SK_MAGIC)) {
if (count_skill(u2->faction, SK_MAGIC) + u->number >
max_skill(u2->faction, SK_MAGIC))
{
cmistake(u, ord, 155, MSG_COMMERCE);
return;
}
if (u2->faction->magiegebiet != find_magetype(u)) {
cmistake(u, ord, 157, MSG_COMMERCE);
return;
}
}
if (has_skill(u, SK_ALCHEMY)
&& count_skill(u2->faction, SK_ALCHEMY) + u->number >
max_skill(u2->faction, SK_ALCHEMY))
{
cmistake(u, ord, 156, MSG_COMMERCE);
return;
}
add_give(u, u2, 1, r_unit, ord, 0);
u_setfaction(u, u2->faction);
u2->faction->newbies += n;
}