forked from github/server
275 lines
6.7 KiB
C
275 lines
6.7 KiB
C
#include <platform.h>
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#include <kernel/config.h>
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#include "items.h"
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#include "study.h"
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#include <kernel/curse.h>
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#include <kernel/building.h>
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#include <kernel/faction.h>
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#include <kernel/item.h>
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#include <kernel/magic.h>
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#include <kernel/messages.h>
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#include <kernel/move.h>
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#include <kernel/order.h>
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#include <kernel/plane.h>
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#include <kernel/pool.h>
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#include <kernel/region.h>
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#include <kernel/ship.h>
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#include <kernel/skill.h>
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#include <kernel/spell.h>
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#include <kernel/unit.h>
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#include <items/demonseye.h>
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#include <util/attrib.h>
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#include <util/parser.h>
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#include <util/rand.h>
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#include <assert.h>
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#include <limits.h>
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/* BEGIN studypotion */
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#define MAXGAIN 15
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static int
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use_studypotion(struct unit *u, const struct item_type *itype, int amount,
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struct order *ord)
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{
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if (get_keyword(u->thisorder) == K_STUDY) {
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skill_t sk;
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skill *sv;
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init_tokens(u->thisorder);
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skip_token();
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sk = findskill(getstrtoken(), u->faction->locale);
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sv = get_skill(u, sk);
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if (sv && sv->level > 2) {
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/* TODO: message */
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} else if (study_cost(u, sk) > 0) {
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/* TODO: message */
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} else {
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attrib *a = a_find(u->attribs, &at_learning);
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teaching_info *teach;
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if (a == NULL) {
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a = a_add(&u->attribs, a_new(&at_learning));
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}
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teach = (teaching_info *) a->data.v;
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if (amount > MAXGAIN)
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amount = MAXGAIN;
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teach->value += amount * 30;
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if (teach->value > MAXGAIN * 30) {
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teach->value = MAXGAIN * 30;
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}
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i_change(&u->items, itype, -amount);
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return 0;
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}
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}
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return EUNUSABLE;
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}
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/* END studypotion */
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/* BEGIN speedsail */
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#define SPEEDSAIL_EFFECT 1
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static int
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use_speedsail(struct unit *u, const struct item_type *itype, int amount,
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struct order *ord)
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{
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curse *c;
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float effect;
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ship *sh = u->ship;
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if (!sh) {
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cmistake(u, ord, 20, MSG_MOVE);
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return -1;
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}
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effect = SPEEDSAIL_EFFECT;
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c =
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create_curse(u, &sh->attribs, ct_find("shipspeedup"), 20, INT_MAX, effect,
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0);
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c_setflag(c, CURSE_NOAGE);
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ADDMSG(&u->faction->msgs, msg_message("use_speedsail", "unit speed", u,
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SPEEDSAIL_EFFECT));
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use_pooled(u, itype->rtype, GET_DEFAULT, 1);
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return 0;
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}
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/* END speedsail */
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/* ------------------------------------------------------------- */
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/* Kann auch von Nichtmagiern benutzt werden, erzeugt eine
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* Antimagiezone, die zwei Runden bestehen bleibt */
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static int
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use_antimagiccrystal(unit * u, const struct item_type *itype, int amount,
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struct order *ord)
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{
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region *r = u->region;
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const resource_type *rt_crystal = NULL;
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int i;
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if (rt_crystal == NULL) {
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rt_crystal = rt_find("antimagic");
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assert(rt_crystal != NULL);
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}
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for (i = 0; i != amount; ++i) {
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int effect, duration = 2;
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float force;
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spell *sp = find_spell("antimagiczone");
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attrib **ap = &r->attribs;
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unused_arg(ord);
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assert(sp);
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/* Reduziert die St<53>rke jedes Spruchs um effect */
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effect = 5;
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/* H<>lt Spr<70>che bis zu einem summierten Gesamtlevel von power aus.
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* Jeder Zauber reduziert die 'Lebenskraft' (vigour) der Antimagiezone
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* um seine Stufe */
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force = (float)effect * 20; /* Stufe 5 =~ 100 */
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/* Regionszauber aufl<66>sen */
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while (*ap && force > 0) {
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curse *c;
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attrib *a = *ap;
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if (!fval(a->type, ATF_CURSE)) {
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do {
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ap = &(*ap)->next;
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} while (*ap && a->type == (*ap)->type);
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continue;
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}
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c = (curse *) a->data.v;
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/* Immunit<69>t pr<70>fen */
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if (c_flags(c) & CURSE_IMMUNE) {
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do {
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ap = &(*ap)->next;
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} while (*ap && a->type == (*ap)->type);
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continue;
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}
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force = destr_curse(c, effect, force);
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if (c->vigour <= 0) {
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a_remove(&r->attribs, a);
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}
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if (*ap)
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ap = &(*ap)->next;
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}
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if (force > 0) {
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create_curse(u, &r->attribs, ct_find("antimagiczone"), (float)force, duration,
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(float)effect, 0);
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}
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}
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use_pooled(u, rt_crystal, GET_DEFAULT, amount);
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ADDMSG(&u->faction->msgs, msg_message("use_antimagiccrystal",
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"unit region", u, r));
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return 0;
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}
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static int
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use_instantartsculpture(struct unit *u, const struct item_type *itype,
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int amount, struct order *ord)
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{
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building *b;
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if (u->region->land == NULL) {
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ADDMSG(&u->faction->msgs, msg_feedback(u, ord, "error_onlandonly", ""));
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return -1;
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}
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b = new_building(bt_find("artsculpture"), u->region, u->faction->locale);
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b->size = 100;
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ADDMSG(&u->region->msgs, msg_message("artsculpture_create", "unit region",
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u, u->region));
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use_pooled(u, itype->rtype, GET_DEFAULT, 1);
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return 0;
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}
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static int
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use_instantartacademy(struct unit *u, const struct item_type *itype,
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int amount, struct order *ord)
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{
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building *b;
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if (u->region->land == NULL) {
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ADDMSG(&u->faction->msgs, msg_feedback(u, ord, "error_onlandonly", ""));
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return -1;
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}
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b = new_building(bt_find("artacademy"), u->region, u->faction->locale);
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b->size = 100;
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ADDMSG(&u->region->msgs, msg_message("artacademy_create", "unit region", u,
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u->region));
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use_pooled(u, itype->rtype, GET_DEFAULT, 1);
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return 0;
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}
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#define BAGPIPEFRACTION dice_rand("2d4+2")
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#define BAGPIPEDURATION dice_rand("2d10+4")
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static int
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use_bagpipeoffear(struct unit *u, const struct item_type *itype,
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int amount, struct order *ord)
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{
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int money;
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if (get_curse(u->region->attribs, ct_find("depression"))) {
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cmistake(u, ord, 58, MSG_MAGIC);
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return -1;
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}
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money = entertainmoney(u->region) / BAGPIPEFRACTION;
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change_money(u, money);
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rsetmoney(u->region, rmoney(u->region) - money);
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create_curse(u, &u->region->attribs, ct_find("depression"),
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20, BAGPIPEDURATION, 0.0, 0);
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ADDMSG(&u->faction->msgs, msg_message("bagpipeoffear_faction",
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"unit region command money", u, u->region, ord, money));
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ADDMSG(&u->region->msgs, msg_message("bagpipeoffear_region",
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"unit money", u, money));
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return 0;
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}
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static int
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use_aurapotion50(struct unit *u, const struct item_type *itype,
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int amount, struct order *ord)
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{
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if (!is_mage(u)) {
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cmistake(u, ord, 214, MSG_MAGIC);
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return -1;
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}
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change_spellpoints(u, 50);
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ADDMSG(&u->faction->msgs, msg_message("aurapotion50",
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"unit region command", u, u->region, ord));
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use_pooled(u, itype->rtype, GET_DEFAULT, 1);
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return 0;
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}
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void register_itemfunctions(void)
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{
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register_demonseye();
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register_item_use(use_antimagiccrystal, "use_antimagiccrystal");
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register_item_use(use_instantartsculpture, "use_instantartsculpture");
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register_item_use(use_studypotion, "use_studypotion");
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register_item_use(use_speedsail, "use_speedsail");
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register_item_use(use_instantartacademy, "use_instantartacademy");
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register_item_use(use_bagpipeoffear, "use_bagpipeoffear");
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register_item_use(use_aurapotion50, "use_aurapotion50");
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}
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