/* Cast a spell from a book */
void do_cmd_cast(cmd_code code, cmd_arg args[])
{
int spell = args[0].choice;
int dir = args[1].direction;
int item_list[INVEN_TOTAL + MAX_FLOOR_STACK];
int item_num;
int i;
cptr verb = ((cp_ptr->spell_book == TV_MAGIC_BOOK) ? "cast" : "recite");
cptr noun = ((cp_ptr->spell_book == TV_MAGIC_BOOK) ? "spell" : "prayer");
/* Check the player can cast spells at all */
if (!player_can_cast())
return;
/* Check spell is in a book they can access */
item_tester_hook = obj_can_browse;
item_num = scan_items(item_list, N_ELEMENTS(item_list), (USE_INVEN | USE_FLOOR));
/* Check through all available books */
for (i = 0; i < item_num; i++)
{
if (spell_in_book(spell, item_list[i]))
{
if (spell_okay_to_cast(spell))
{
/* Get the spell */
const magic_type *s_ptr = &mp_ptr->info[spell];
/* Verify "dangerous" spells */
if (s_ptr->smana > p_ptr->csp)
{
/* Warning */
msg_format("You do not have enough mana to %s this %s.", verb, noun);
/* Flush input */
flush();
/* Verify */
if (!get_check("Attempt it anyway? ")) return;
}
/* Cast a spell */
if (spell_cast(spell, dir))
p_ptr->energy_use = 100;
}
else
{
/* Spell is present, but player incapable. */
msg_format("You cannot %s that %s.", verb, noun);
}
return;
}
}
}
/* Gain a specific spell, specified by spell number (for mages). */
void do_cmd_study_spell(cmd_code code, cmd_arg args[])
{
int spell = args[0].choice;
int item_list[INVEN_TOTAL + MAX_FLOOR_STACK];
int item_num;
int i;
/* Check the player can study at all atm */
if (!player_can_study())
return;
/* Check that the player can actually learn the nominated spell. */
item_tester_hook = obj_can_browse;
item_num = scan_items(item_list, N_ELEMENTS(item_list), (USE_INVEN | USE_FLOOR));
/* Check through all available books */
for (i = 0; i < item_num; i++)
{
if (spell_in_book(spell, item_list[i]))
{
if (spell_okay_to_study(spell))
{
/* Spell is in an available book, and player is capable. */
spell_learn(spell);
p_ptr->energy_use = 100;
}
else
{
/* Spell is present, but player incapable. */
msg("You cannot learn that spell.");
}
return;
}
}
}
