server/src/common/items/speedsail.c
Enno Rehling 31b609b7b9 study potion. To use this potion, you must have:
- a level < 2 in the skill
- a STUDY order for a no-fee skill
Each potion adds 1 study attempt, up to a maximum of 15 attempts
2005-01-19 21:57:37 +00:00

68 lines
1.7 KiB
C

/* 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)
*
* This program may not be used, modified or distributed without
* prior permission by the authors of Eressea.
*/
#include <config.h>
#include <eressea.h>
#include "speedsail.h"
/* kernel includes */
#include <kernel/faction.h>
#include <kernel/item.h>
#include <kernel/message.h>
#include <kernel/movement.h>
#include <kernel/plane.h>
#include <kernel/region.h>
#include <kernel/ship.h>
#include <kernel/unit.h>
/* util includes */
#include <util/functions.h>
/* libc includes */
#include <assert.h>
static int
use_speedsail(struct unit * u, const struct item_type * itype, int amount, struct order * ord)
{
struct plane * p = rplane(u->region);
unused(amount);
unused(itype);
if (p!=NULL) {
ADDMSG(&u->faction->msgs, msg_feedback(u, ord, "use_realworld_only", ""));
} else {
if (u->ship) {
attrib * a = a_find(u->ship->attribs, &at_speedup);
if (a==NULL) {
a = a_add(&u->ship->attribs, a_new(&at_speedup));
a->data.sa[0] = 50; /* speed */
a->data.sa[1] = 50; /* decay */
ADDMSG(&u->faction->msgs, msg_message("use_speedsail", "unit", u));
/* Ticket abziehen */
i_change(&u->items, itype, -1);
return 0;
} else {
cmistake(u, ord, 211, MSG_EVENT);
}
} else {
cmistake(u, ord, 144, MSG_EVENT);
}
}
return EUNUSABLE;
}
void
register_speedsail(void)
{
register_function((pf_generic)use_speedsail, "use_speedsail");
}