/* NetHack 3.7 objclass.h $NHDT-Date: 1596498553 2020/08/03 23:49:13 $ $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.22 $ */

/* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */

/*-Copyright (c) Pasi Kallinen, 2018. */

/* NetHack may be freely redistributed. See license for details. */

#ifndef OBJCLASS_H

#define OBJCLASS_H

/* [misnamed] definition of a type of object; many objects are composites

(liquid potion inside glass bottle, metal arrowhead on wooden shaft)

and object definitions only specify one type on a best-fit basis */

enum obj_material_types {

NO_MATERIAL = 0,

LIQUID = 1, /* currently only for venom */

WAX = 2,

VEGGY = 3, /* foodstuffs */

FLESH = 4, /* ditto */

PAPER = 5,

CLOTH = 6,

LEATHER = 7,

WOOD = 8,

BONE = 9,

DRAGON_HIDE = 10, /* not leather! */

IRON = 11, /* Fe - includes steel */

METAL = 12, /* Sn, &c. */

COPPER = 13, /* Cu - includes brass */

SILVER = 14, /* Ag */

GOLD = 15, /* Au */

PLATINUM = 16, /* Pt */

MITHRIL = 17,

PLASTIC = 18,

GLASS = 19,

GEMSTONE = 20,

MINERAL = 21

};

enum obj_armor_types {

ARM_SUIT = 0,

ARM_SHIELD = 1, /* needed for special wear function */

ARM_HELM = 2,

ARM_GLOVES = 3,

ARM_BOOTS = 4,

ARM_CLOAK = 5,

ARM_SHIRT = 6

};

struct objclass {

short oc_name_idx; /* index of actual name */

short oc_descr_idx; /* description when name unknown */

char *oc_uname; /* called by user */

Bitfield(oc_name_known, 1); /* discovered */

Bitfield(oc_merge, 1); /* merge otherwise equal objects */

Bitfield(oc_uses_known, 1); /* obj->known affects full description;

* otherwise, obj->dknown and obj->bknown

* tell all, and obj->known should always

* be set for proper merging behavior. */

Bitfield(oc_pre_discovered, 1); /* already known at start of game; flagged

* as such when discoveries are listed */

Bitfield(oc_magic, 1); /* inherently magical object */

Bitfield(oc_charged, 1); /* may have +n or (n) charges */

Bitfield(oc_unique, 1); /* special one-of-a-kind object */

Bitfield(oc_nowish, 1); /* cannot wish for this object */

Bitfield(oc_big, 1);

#define oc_bimanual oc_big /* for weapons & tools used as weapons */

#define oc_bulky oc_big /* for armor */

Bitfield(oc_tough, 1); /* hard gems/rings */

Bitfield(oc_spare1, 6); /* padding to align oc_dir + oc_material;

* can be cannibalized for other use;

* aka 6 free bits */

Bitfield(oc_dir, 3);

/* oc_dir: zap style for wands and spells */

#define NODIR 1 /* non-directional */

#define IMMEDIATE 2 /* directional beam that doesn't ricochet */

#define RAY 3 /* beam that does bounce off walls */

/* overloaded oc_dir: strike mode bit mask for weapons and weptools */

#define PIERCE 01 /* pointed weapon punctures target */

#define SLASH 02 /* sharp weapon cuts target */

#define WHACK 04 /* blunt weapon bashes target */

Bitfield(oc_material, 5); /* one of obj_material_types */

schar oc_subtyp;

#define oc_skill oc_subtyp /* Skills of weapons, spellbooks, tools, gems */

#define oc_armcat oc_subtyp /* for armor (enum obj_armor_types) */

uchar oc_oprop; /* property (invis, &c.) conveyed */

char oc_class; /* object class (enum obj_class_types) */

schar oc_delay; /* delay when using such an object */

uchar oc_color; /* color of the object */

short oc_prob; /* probability, used in mkobj() */

unsigned short oc_weight; /* encumbrance (1 cn = 0.1 lb.) */

short oc_cost; /* base cost in shops */

/* Check the AD&D rules! The FIRST is small monster damage. */

/* for weapons, and tools, rocks, and gems useful as weapons */

schar oc_wsdam, oc_wldam; /* max small/large monster damage */

schar oc_oc1, oc_oc2;

#define oc_hitbon oc_oc1 /* weapons: "to hit" bonus */

#define a_ac oc_oc1 /* armor class, used in ARM_BONUS in do.c */

#define a_can oc_oc2 /* armor: used in mhitu.c */

#define oc_level oc_oc2 /* books: spell level */

unsigned short oc_nutrition; /* food value */

};

struct class_sym {

char sym;

const char *name;

const char *explain;

};

struct objdescr {

const char *oc_name; /* actual name */

const char *oc_descr; /* description when name unknown */

};

/*

* All objects have a class. Make sure that all classes have a corresponding

* symbol below.

*/

enum objclass_defchars {

#define OBJCLASS_DEFCHAR_ENUM

#include "defsym.h"

#undef OBJCLASS_DEFCHAR_ENUM

};

enum objclass_classes {

RANDOM_CLASS = 0, /* used for generating random objects */

#define OBJCLASS_CLASS_ENUM

#include "defsym.h"

#undef OBJCLASS_CLASS_ENUM

MAXOCLASSES

};

/* Default characters for object classes */

enum objclass_syms {

#define OBJCLASS_S_ENUM

#include "defsym.h"

#undef OBJCLASS_S_ENUM

};

/* for mkobj() use ONLY! odd '-SPBOOK_CLASS' is in case of unsigned enums */

#define SPBOOK_no_NOVEL (0 - (int) SPBOOK_CLASS)

#define BURNING_OIL (MAXOCLASSES + 1) /* Can be used as input to explode. */

#define MON_EXPLODE (MAXOCLASSES + 2) /* Exploding monster (e.g. gas spore) */

#define TRAP_EXPLODE (MAXOCLASSES + 3)

#if 0 /* moved to decl.h so that makedefs.c won't see them */

extern const struct class_sym

def_oc_syms[MAXOCLASSES]; /* default class symbols */

extern uchar oc_syms[MAXOCLASSES]; /* current class symbols */

#endif

struct fruit {

char fname[PL_FSIZ];

int fid;

struct fruit *nextf;

};

#define newfruit() (struct fruit *) alloc(sizeof(struct fruit))

#define dealloc_fruit(rind) free((genericptr_t)(rind))

enum objects_nums {

#define OBJECTS_ENUM

#include "objects.h"

#undef OBJECTS_ENUM

NUM_OBJECTS

};

enum misc_object_nums {

NUM_REAL_GEMS = (LAST_REAL_GEM - FIRST_REAL_GEM + 1),

NUM_GLASS_GEMS = (LAST_GLASS_GEM - FIRST_GLASS_GEM + 1),

/* LAST_SPELL is SPE_BLANK_PAPER, guaranteeing that spl_book[] will

have at least one unused slot at end to be used as a terminator */

MAXSPELL = (LAST_SPELL - FIRST_SPELL + 1),

};

extern NEARDATA struct objclass objects[NUM_OBJECTS + 1];

extern NEARDATA struct objdescr obj_descr[NUM_OBJECTS + 1];

#define OBJ_NAME(obj) (obj_descr[(obj).oc_name_idx].oc_name)

#define OBJ_DESCR(obj) (obj_descr[(obj).oc_descr_idx].oc_descr)

#define is_organic(otmp) (objects[otmp->otyp].oc_material <= WOOD)

#define is_metallic(otmp) \

(objects[otmp->otyp].oc_material >= IRON \

&& objects[otmp->otyp].oc_material <= MITHRIL)

/* primary damage: fire/rust/--- */

/* is_flammable(otmp), is_rottable(otmp) in mkobj.c */

#define is_rustprone(otmp) (objects[otmp->otyp].oc_material == IRON)

#define is_crackable(otmp) \

(objects[(otmp)->otyp].oc_material == GLASS \

&& (otmp)->oclass == ARMOR_CLASS) /* erosion_matters() */

/* secondary damage: rot/acid/acid */

#define is_corrodeable(otmp) \

(objects[otmp->otyp].oc_material == COPPER \

|| objects[otmp->otyp].oc_material == IRON)

/* subject to any damage */

#define is_damageable(otmp) \

(is_rustprone(otmp) || is_flammable(otmp) \

|| is_rottable(otmp) || is_corrodeable(otmp) \

|| is_crackable(otmp))

#endif /* OBJCLASS_H */