int eff_skill(const unit * u, skill_t sk, const region * r)
{
if (skill_enabled[sk]) {
int level = get_level(u, sk);
if (level > 0) {
int mlevel = level + get_modifier(u, sk, level, r, false);
if (mlevel > 0) {
int skillcap = SkillCap(sk);
if (skillcap && mlevel > skillcap) {
return skillcap;
}
return mlevel;
}
}
}
return 0;
}
int learn_cmd(unit * u, order * ord)
{
region *r = u->region;
int p;
magic_t mtyp;
int l;
int studycost, days;
double multi = 1.0;
attrib *a = NULL;
teaching_info *teach = NULL;
int money = 0;
skill_t sk;
int maxalchemy = 0;
int speed_rule = (study_rule_t)get_param_int(global.parameters, "study.speedup", 0);
static int learn_newskills = -1;
if (learn_newskills < 0) {
const char *str = get_param(global.parameters, "study.newskills");
if (str && strcmp(str, "false") == 0)
learn_newskills = 0;
else
learn_newskills = 1;
}
if (!unit_can_study(u)) {
ADDMSG(&u->faction->msgs, msg_feedback(u, ord, "error_race_nolearn", "race",
u_race(u)));
return 0;
}
init_order(ord);
sk = getskill(u->faction->locale);
if (sk < 0) {
cmistake(u, ord, 77, MSG_EVENT);
return 0;
}
if (SkillCap(sk) && SkillCap(sk) <= effskill(u, sk)) {
cmistake(u, ord, 771, MSG_EVENT);
return 0;
}
/* Hack: Talente mit Malus -99 koennen nicht gelernt werden */
if (u_race(u)->bonus[sk] == -99) {
cmistake(u, ord, 771, MSG_EVENT);
return 0;
}
if (learn_newskills == 0) {
skill *sv = unit_skill(u, sk);
if (sv == NULL) {
/* we can only learn skills we already have */
cmistake(u, ord, 771, MSG_EVENT);
return 0;
}
}
/* snotlings koennen Talente nur bis T8 lernen */
if (u_race(u) == get_race(RC_SNOTLING)) {
if (get_level(u, sk) >= 8) {
cmistake(u, ord, 308, MSG_EVENT);
return 0;
}
}
p = studycost = study_cost(u, sk);
a = a_find(u->attribs, &at_learning);
if (a != NULL) {
teach = (teaching_info *)a->data.v;
}
/* keine kostenpflichtigen Talente fuer Migranten. Vertraute sind
* keine Migranten, wird in is_migrant abgefangen. Vorsicht,
* studycost darf hier noch nicht durch Akademie erhoeht sein */
if (studycost > 0 && !ExpensiveMigrants() && is_migrant(u)) {
ADDMSG(&u->faction->msgs, msg_feedback(u, ord, "error_migrants_nolearn",
""));
return 0;
}
/* Akademie: */
{
struct building *b = inside_building(u);
const struct building_type *btype = b ? b->type : NULL;
if (btype && btype == bt_find("academy")) {
studycost = _max(50, studycost * 2);
}
}
if (sk == SK_MAGIC) {
if (u->number > 1) {
cmistake(u, ord, 106, MSG_MAGIC);
return 0;
}
if (is_familiar(u)) {
/* Vertraute zaehlen nicht zu den Magiern einer Partei,
* koennen aber nur Graue Magie lernen */
mtyp = M_GRAY;
if (!is_mage(u))
create_mage(u, mtyp);
}
else if (!has_skill(u, SK_MAGIC)) {
int mmax = skill_limit(u->faction, SK_MAGIC);
/* Die Einheit ist noch kein Magier */
if (count_skill(u->faction, SK_MAGIC) + u->number > mmax) {
ADDMSG(&u->faction->msgs, msg_feedback(u, ord, "error_max_magicians",
"amount", mmax));
return 0;
}
mtyp = getmagicskill(u->faction->locale);
if (mtyp == M_NONE || mtyp == M_GRAY) {
/* wurde kein Magiegebiet angegeben, wird davon
* ausgegangen, dass das normal gelernt werden soll */
if (u->faction->magiegebiet != 0) {
mtyp = u->faction->magiegebiet;
}
else {
/* Es wurde kein Magiegebiet angegeben und die Partei
* hat noch keins gewaehlt. */
mtyp = getmagicskill(u->faction->locale);
if (mtyp == M_NONE) {
cmistake(u, ord, 178, MSG_MAGIC);
return 0;
}
}
}
if (mtyp != u->faction->magiegebiet) {
/* Es wurde versucht, ein anderes Magiegebiet zu lernen
* als das der Partei */
if (u->faction->magiegebiet != 0) {
cmistake(u, ord, 179, MSG_MAGIC);
return 0;
}
else {
/* Lernt zum ersten mal Magie und legt damit das
* Magiegebiet der Partei fest */
u->faction->magiegebiet = mtyp;
}
}
if (!is_mage(u))
create_mage(u, mtyp);
}
else {
/* ist schon ein Magier und kein Vertrauter */
if (u->faction->magiegebiet == 0) {
/* die Partei hat noch kein Magiegebiet gewaehlt. */
mtyp = getmagicskill(u->faction->locale);
if (mtyp == M_NONE) {
mtyp = getmagicskill(u->faction->locale);
if (mtyp == M_NONE) {
cmistake(u, ord, 178, MSG_MAGIC);
return 0;
}
}
/* Legt damit das Magiegebiet der Partei fest */
u->faction->magiegebiet = mtyp;
}
}
}
if (sk == SK_ALCHEMY) {
maxalchemy = eff_skill(u, SK_ALCHEMY, r);
if (!has_skill(u, SK_ALCHEMY)) {
int amax = skill_limit(u->faction, SK_ALCHEMY);
if (count_skill(u->faction, SK_ALCHEMY) + u->number > amax) {
ADDMSG(&u->faction->msgs, msg_feedback(u, ord, "error_max_alchemists",
"amount", amax));
return 0;
}
}
}
if (studycost) {
int cost = studycost * u->number;
money = get_pooled(u, get_resourcetype(R_SILVER), GET_DEFAULT, cost);
money = _min(money, cost);
}
if (money < studycost * u->number) {
studycost = p; /* Ohne Univertreurung */
money = _min(money, studycost);
if (p > 0 && money < studycost * u->number) {
cmistake(u, ord, 65, MSG_EVENT);
multi = money / (double)(studycost * u->number);
}
}
if (teach == NULL) {
a = a_add(&u->attribs, a_new(&at_learning));
teach = (teaching_info *)a->data.v;
teach->teachers[0] = 0;
}
if (money > 0) {
use_pooled(u, get_resourcetype(R_SILVER), GET_DEFAULT, money);
ADDMSG(&u->faction->msgs, msg_message("studycost",
"unit region cost skill", u, u->region, money, sk));
}
if (get_effect(u, oldpotiontype[P_WISE])) {
l = _min(u->number, get_effect(u, oldpotiontype[P_WISE]));
teach->value += l * 10;
change_effect(u, oldpotiontype[P_WISE], -l);
}
if (get_effect(u, oldpotiontype[P_FOOL])) {
l = _min(u->number, get_effect(u, oldpotiontype[P_FOOL]));
teach->value -= l * 30;
change_effect(u, oldpotiontype[P_FOOL], -l);
}
if (p != studycost) {
/* ist_in_gebaeude(r, u, BT_UNIVERSITAET) == 1) { */
/* p ist Kosten ohne Uni, studycost mit; wenn
* p!=studycost, ist die Einheit zwangsweise
* in einer Uni */
teach->value += u->number * 10;
}
if (is_cursed(r->attribs, C_BADLEARN, 0)) {
teach->value -= u->number * 10;
}
multi *= study_speedup(u, sk, speed_rule);
days = study_days(u, sk);
days = (int)((days + teach->value) * multi);
/* the artacademy currently improves the learning of entertainment
of all units in the region, to be able to make it cumulative with
with an academy */
if (sk == SK_ENTERTAINMENT
&& buildingtype_exists(r, bt_find("artacademy"), false)) {
days *= 2;
}
if (fval(u, UFL_HUNGER))
days /= 2;
while (days) {
if (days >= u->number * 30) {
learn_skill(u, sk, 1.0);
days -= u->number * 30;
}
else {
double chance = (double)days / u->number / 30;
learn_skill(u, sk, chance);
days = 0;
}
}
if (a != NULL) {
if (teach != NULL) {
int index = 0;
while (teach->teachers[index] && index != MAXTEACHERS) {
unit *teacher = teach->teachers[index++];
if (teacher->faction != u->faction) {
bool feedback = alliedunit(u, teacher->faction, HELP_GUARD);
if (feedback) {
ADDMSG(&teacher->faction->msgs, msg_message("teach_teacher",
"teacher student skill level", teacher, u, sk,
effskill(u, sk)));
}
ADDMSG(&u->faction->msgs, msg_message("teach_student",
"teacher student skill", teacher, u, sk));
}
}
}
a_remove(&u->attribs, a);
a = NULL;
}
fset(u, UFL_LONGACTION | UFL_NOTMOVING);
/* Anzeigen neuer Traenke */
/* Spruchlistenaktualiesierung ist in Regeneration */
if (sk == SK_ALCHEMY) {
const potion_type *ptype;
faction *f = u->faction;
int skill = eff_skill(u, SK_ALCHEMY, r);
if (skill > maxalchemy) {
for (ptype = potiontypes; ptype; ptype = ptype->next) {
if (skill == ptype->level * 2) {
attrib *a = a_find(f->attribs, &at_showitem);
while (a && a->type == &at_showitem && a->data.v != ptype)
a = a->next;
if (a == NULL || a->type != &at_showitem) {
a = a_add(&f->attribs, a_new(&at_showitem));
a->data.v = (void *)ptype->itype;
}
}
}
}
}
else if (sk == SK_MAGIC) {
sc_mage *mage = get_mage(u);
if (!mage) {
mage = create_mage(u, u->faction->magiegebiet);
}
}
return 0;
}
