spell.c File Reference

#include "hack.h"

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Defines
#define	SPELLMENU_CAST   (-2)
#define	SPELLMENU_VIEW   (-1)
#define	KEEN   20000
#define	MAX_SPELL_STUDY   3
#define	incrnknow(spell)   spl_book[spell].sp_know = KEEN
#define	spellev(spell)   spl_book[spell].sp_lev
#define	spellname(spell)   OBJ_NAME(objects[spellid(spell)])
#define	spellet(spell)   ((char)((spell < 26) ? ('a' + spell) : ('A' + spell - 26)))
#define	uarmhbon   4
#define	uarmgbon   6
#define	uarmfbon   2
Functions
STATIC_DCL int	FDECL (spell_let_to_idx,(CHAR_P))
STATIC_DCL boolean	FDECL (cursed_book,(struct obj *bp))
STATIC_DCL boolean	FDECL (confused_book,(struct obj *))
STATIC_DCL void	FDECL (deadbook,(struct obj *))
STATIC_PTR int	NDECL (learn)
STATIC_DCL boolean	FDECL (getspell,(int *))
STATIC_DCL boolean	FDECL (dospellmenu,(const char *, int, int *))
STATIC_DCL int	FDECL (percent_success,(int))
STATIC_DCL int	NDECL (throwspell)
STATIC_DCL void	NDECL (cast_protection)
STATIC_DCL void	FDECL (spell_backfire,(int))
STATIC_DCL const char *	FDECL (spelltypemnemonic,(int))
STATIC_DCL int	FDECL (isqrt,(int))
STATIC_OVL int	spell_let_to_idx (char ilet)
STATIC_OVL boolean	cursed_book (struct obj *bp)
STATIC_OVL boolean	confused_book (struct obj *spellbook)
STATIC_OVL void	deadbook (struct obj *book2)
STATIC_PTR int	learn ()
int	study_book (struct obj *spellbook)
void	book_disappears (struct obj *obj)
void	book_substitution (struct obj *old_obj, struct obj *new_obj)
void	age_spells ()
STATIC_OVL boolean	getspell (int *spell_no)
int	docast ()
STATIC_OVL const char *	spelltypemnemonic (int skill)
int	spell_skilltype (int booktype)
STATIC_OVL void	cast_protection ()
STATIC_OVL void	spell_backfire (int spell)
int	spelleffects (int spell, boolean atme)
STATIC_OVL int	throwspell ()
void	losespells ()
int	dovspell ()
STATIC_OVL boolean	dospellmenu (char *prompt, int splaction, int *spell_no) const
void	dump_spells ()
STATIC_OVL int	isqrt (int val)
STATIC_OVL int	percent_success (int spell)
void	initialspell (struct obj *obj)
Variables
static NEARDATA schar	delay
static NEARDATA struct obj *	book
static const char	explodes [] = "radiates explosive energy"

---

Define Documentation

#define incrnknow

(

spell )

spl_book[spell].sp_know = KEEN

Referenced by initialspell(), and learn().

#define KEEN   20000

#define MAX_SPELL_STUDY   3

Referenced by learn().

#define spellet

(

spell )

((char)((spell < 26) ? ('a' + spell) : ('A' + spell - 26)))

Referenced by dospellmenu(), dovspell(), and dump_spells().

#define spellev

(

spell )

spl_book[spell].sp_lev

Referenced by dospellmenu(), dump_spells(), percent_success(), spell_backfire(), and spelleffects().

#define SPELLMENU_CAST   (-2)

Referenced by getspell().

#define SPELLMENU_VIEW   (-1)

Referenced by dospellmenu(), and dovspell().

#define spellname

(

spell )

OBJ_NAME(objects[spellid(spell)])

Referenced by dospellmenu(), and dump_spells().

#define uarmfbon   2

Referenced by percent_success().

#define uarmgbon   6

Referenced by percent_success().

#define uarmhbon   4

Referenced by percent_success().

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Function Documentation

void age_spells

(

)

References decrnknow, MAXSPELL, NO_SPELL, spellid, and spellknow.

Referenced by moveloop().

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void book_disappears

(

struct obj *

obj )

Referenced by obfree(), and saveobjchn().

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void book_substitution	(	struct obj *	old_obj,
		struct obj *	new_obj
	)

Referenced by realloc_obj().

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STATIC_OVL void cast_protection

(

)

References an(), Blind, you::dx, you::dy, find_ac(), hcolor(), IS_STWALL, Is_waterlevel, levl, mbodypart(), min, NH_GOLDEN, P_EXPERT, P_SKILL, SPE_PROTECTION, spell_skilltype(), STOMACH, u, you::uac, you::ulevel, Underwater, you::uspellprot, you::uspmtime, you::usptime, you::ustuck, and you::uz.

Referenced by spelleffects().

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STATIC_OVL boolean confused_book

(

struct obj *

spellbook )

References display_nhwindow, docall(), FALSE, objects, objclass::oc_uname, pline(), rn2(), SPE_BOOK_OF_THE_DEAD, TRUE, useup(), and WIN_MESSAGE.

Referenced by learn(), and study_book().

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STATIC_OVL boolean cursed_book

(

struct obj *

bp )

References aggravate(), Antimagic, Blind, Blinded, body_part(), FACE, FALSE, grease_protect(), HConfusion, is_corrodeable, KILLED_BY_AN, losehp(), losestr(), make_blinded(), make_confused(), MAX_ERODE, objects, pline(), Poison_resistance, rn1, rn2(), rnd(), rndcurse(), shieldeff(), take_gold(), tele(), TRUE, u, uarmg, you::ux, you::uy, and youmonst.

Referenced by learn(), and study_book().

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STATIC_OVL void deadbook

(

struct obj *

book2 )

References obj::age, BELL_OF_OPENING, body_part(), CANDELABRUM_OF_INVOCATION, cansee, d(), monst::data, DEADMONSTER, distu, FALSE, fmon, invent, invocation_pos(), is_undead, makeknown, makemon(), permonst::maligntyp, mkinvokearea(), mkundead(), monflee(), mons, moves, monst::mtame, monst::mx, monst::my, monst::nmon, NO_MINVENT, obj::nobj, On_stairs(), otmp, obj::otyp, pline(), PM_MASTER_LICH, PM_NALFESHNEE, rn2(), set_malign(), sgn(), something, obj::spe, SPE_BOOK_OF_THE_DEAD, SPINE, tamedog(), TRUE, align::type, u, you::ualign, you::udg_cnt, you::uevent, you::uhave, unturn_dead(), you::ux, you::uy, nhcoord::x, nhcoord::y, and youmonst.

Referenced by learn().

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int docast

(

)

References FALSE, getspell(), and spelleffects().

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STATIC_OVL boolean dospellmenu	(	char *	prompt,
		int	splaction,
		int *	spell_no
	)		const

References any::a_int, any::a_void, add_menu, ATR_BOLD, ATR_NONE, BUFSZ, create_nhwindow, destroy_nhwindow, end_menu, FALSE, iflags, mi::item, MAXSPELL, MENU_SELECTED, instance_flags::menu_tab_sep, MENU_UNSELECTED, NHW_MENU, NO_GLYPH, NO_SPELL, percent_success(), PICK_NONE, PICK_ONE, select_menu, spell_skilltype(), spellet, spellev, spellid, spellknow, SPELLMENU_VIEW, spellname, spelltypemnemonic(), Sprintf, start_menu, and TRUE.

Referenced by dovspell(), and getspell().

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int dovspell

(

)

References dospellmenu(), NO_SPELL, QBUFSZ, spellet, spellid, SPELLMENU_VIEW, spl_book, and Sprintf.

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void dump_spells

(

)

Dump the currently known spells.

References BUFSZ, dump(), dump_html(), dump_text(), dump_title(), MAXSPELL, NO_SPELL, percent_success(), spell_skilltype(), spellet, spellev, spellid, spellknow, spellname, spelltypemnemonic(), and Sprintf.

Referenced by disclose().

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STATIC_DCL int FDECL	(	isqrt	,
		(int)
	)

STATIC_DCL boolean FDECL	(	cursed_book	,
		(struct obj *bp)
	)

STATIC_DCL int FDECL	(	percent_success	,
		(int)
	)

STATIC_DCL void FDECL	(	deadbook	,
		(struct obj *)
	)

STATIC_DCL void FDECL	(	spell_backfire	,
		(int)
	)

STATIC_DCL boolean FDECL	(	getspell	,
		(int *)
	)

STATIC_DCL const char* FDECL	(	spelltypemnemonic	,
		(int)
	)

STATIC_DCL int FDECL	(	spell_let_to_idx	,
		(CHAR_P)
	)

STATIC_DCL boolean FDECL	(	confused_book	,
		(struct obj *)
	)

STATIC_DCL boolean FDECL	(	dospellmenu	,
		(const char *, int, int *)
	)

STATIC_OVL boolean getspell

(

int *

spell_no )

References BUFSZ, dospellmenu(), FALSE, flags, index, MAXSPELL, flag::menu_style, MENU_TRADITIONAL, NO_SPELL, QBUFSZ, quitchars, spell_let_to_idx(), spellid, SPELLMENU_CAST, Sprintf, Strcpy, TRUE, and yn_function().

Referenced by docast().

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void initialspell

(

struct obj *

obj )

References incrnknow, MAXSPELL, NO_SPELL, OBJ_NAME, objects, pline(), spell::sp_id, spell::sp_lev, spellid, and spl_book.

Referenced by ini_inv().

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STATIC_OVL int isqrt

(

int

val )

Integer square root function without using floating point.

Referenced by percent_success().

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STATIC_PTR int learn

(

)

References A_WIS, BUFSZ, check_unpaid(), confused_book(), Confusion, cursed_book(), deadbook(), delay, exercise(), FALSE, incrnknow, LENSES, makeknown, MAX_SPELL_STUDY, MAXSPELL, NO_SPELL, nomul(), OBJ_NAME, objects, obj::otyp, pline(), rn2(), spell::sp_id, spell::sp_lev, SPE_BLANK_PAPER, SPE_BOOK_OF_THE_DEAD, spellid, spellknow, spl_book, Sprintf, TRUE, ublindf, and useup().

Referenced by study_book().

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void losespells

(

)

References A_WIS, Confusion, exercise(), FALSE, MAXSPELL, NO_SPELL, rnd(), and spellid.

Referenced by forget().

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STATIC_DCL void NDECL

(

cast_protection

)

STATIC_DCL int NDECL

(

throwspell

)

STATIC_PTR int NDECL

(

learn

)

STATIC_OVL int percent_success

(

int

spell )

Returns the success rate of the specified spell in percent.

References ACURR, HELM_OF_BRILLIANCE, if(), is_metallic, isqrt(), max, objects, obj::otyp, P_SKILL, P_UNSKILLED, ROBE, SMALL_SHIELD, SPE_CURE_BLINDNESS, SPE_CURE_SICKNESS, SPE_EXTRA_HEALING, SPE_HEALING, SPE_REMOVE_CURSE, SPE_RESTORE_ABILITY, Role::spelarmr, Role::spelbase, Role::spelheal, spell_skilltype(), spellev, spellid, Role::spelsbon, Role::spelshld, Role::spelspec, Role::spelstat, TINFOIL_HAT, u, uarm, uarmc, uarmf, uarmfbon, uarmg, uarmgbon, uarmh, uarmhbon, uarms, you::ulevel, urole, and weight().

Referenced by dospellmenu(), dump_spells(), and spelleffects().

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STATIC_OVL void spell_backfire

(

int

spell )

References FALSE, make_confused(), make_stunned(), rn2(), and spellev.

Referenced by spelleffects().

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STATIC_OVL int spell_let_to_idx

(

char

ilet )

Referenced by getspell().

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int spell_skilltype

(

int

booktype )

References objects, and oc_skill.

Referenced by cast_protection(), dospellmenu(), dump_spells(), percent_success(), pleased(), restricted_spell_discipline(), spell_hit_bonus(), and spelleffects().

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int spelleffects	(	int	spell,
		boolean	atme
	)

References A_INT, A_STR, A_WIS, acurr(), ACURR, BClairvoyant, body_part(), flag::botl, BUFSZ, cansee, cast_protection(), check_capacity(), Confusion, CORNUTHAUM, do_vicinity_map(), you::dx, you::dy, you::dz, exercise(), EXPL_FIERY, EXPL_FROSTY, explode(), FALSE, flags, freehand(), getdir(), HEAD, healup(), IS_STWALL, isok(), jump(), levl, losehp(), make_familiar(), max, mksobj(), morehungry(), NO_KILLER_PREFIX, NODIR, nothing_happens, obfree(), objects, obj::otyp, P_SKILL, P_SKILLED, peffects(), percent_success(), pline(), PM_WIZARD, obj::quan, rnd(), Role_if, seffects(), Sick, Slimed, SPE_CANCELLATION, SPE_CAUSE_FEAR, SPE_CHARM_MONSTER, SPE_CLAIRVOYANCE, SPE_CONE_OF_COLD, SPE_CONFUSE_MONSTER, SPE_CREATE_FAMILIAR, SPE_CREATE_MONSTER, SPE_CURE_BLINDNESS, SPE_CURE_SICKNESS, SPE_DETECT_FOOD, SPE_DETECT_MONSTERS, SPE_DETECT_TREASURE, SPE_DETECT_UNSEEN, SPE_DIG, SPE_DRAIN_LIFE, SPE_EXTRA_HEALING, SPE_FINGER_OF_DEATH, SPE_FIREBALL, SPE_FORCE_BOLT, SPE_HASTE_SELF, SPE_HEALING, SPE_IDENTIFY, SPE_INVISIBILITY, SPE_JUMPING, SPE_KNOCK, SPE_LEVITATION, SPE_LIGHT, SPE_MAGIC_MAPPING, SPE_MAGIC_MISSILE, SPE_POLYMORPH, SPE_PROTECTION, SPE_REMOVE_CURSE, SPE_RESTORE_ABILITY, SPE_SLEEP, SPE_SLOW_MONSTER, SPE_STONE_TO_FLESH, SPE_TELEPORT_AWAY, SPE_TURN_UNDEAD, SPE_WIZARD_LOCK, spell_backfire(), spell_damage_bonus(), spell_skilltype(), spellev, spellid, spellknow, Sprintf, throwspell(), TINFOIL_HAT, TRUE, u, uarmh, you::uen, you::uhave, uhim, you::uhunger, you::ulevel, update_inventory, use_skill(), you::ux, you::uy, weffects(), nhcoord::x, nhcoord::y, and zapyourself().

Referenced by docast(), dotele(), and doturn().

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STATIC_OVL const char* spelltypemnemonic

(

int

skill )

References P_ATTACK_SPELL, P_CLERIC_SPELL, P_DIVINATION_SPELL, P_ENCHANTMENT_SPELL, P_ESCAPE_SPELL, P_HEALING_SPELL, and P_MATTER_SPELL.

Referenced by dospellmenu(), and dump_spells().

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int study_book

(

struct obj *

spellbook )

References A_INT, ACURR, confused_book(), Confusion, cursed_book(), delay, docall(), FALSE, learn(), LENSES, makeknown, nomul(), objects, objclass::oc_delay, oc_level, objclass::oc_uname, obj::otyp, pline(), PM_WIZARD, QBUFSZ, rn2(), rnd(), Role_if, set_occupation(), SPE_BLANK_PAPER, SPE_BOOK_OF_THE_DEAD, Sprintf, TRUE, u, ublindf, you::ulevel, useup(), and yn.

Referenced by doread().

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STATIC_OVL int throwspell

(

)

References A_WIS, cansee, distmin(), you::dx, you::dy, exercise(), FALSE, getpos(), IS_STWALL, Is_waterlevel, levl, pline(), TRUE, u, you::ux, you::uy, you::uz, nhcoord::x, and nhcoord::y.

Referenced by spelleffects().

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Variable Documentation

NEARDATA struct obj* book [static]

NEARDATA schar delay [static]

Referenced by armoroff(), dowear(), learn(), and study_book().

const char explodes[] = "radiates explosive energy" [static]