include/items.h

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// items.h

#ifndef ITEMS_H
#define ITEMS_H

//{{{
struct item
{
    ushort type;
    ushort next;
    ulong stacksize;
    uchar flags;
    schar plus;
    uchar hotkey;
    uchar rustiness;
    uchar x; uchar y;
    ushort padding;
};
//}}}
//{{{
#define ITEMFLAG_EQUIPPED   1
#define ITEMFLAG_CURSED     2
#define ITEMFLAG_IDENTIFIED 4  /* Item (not necessarily the type) is unIDed */
#define ITEMFLAG_UNPAID     8  /* Owned by a shopkeeper */
#define ITEMFLAG_DEPLETE   16  /* Temp flag: kill a charge when it's time */
#define ITEMFLAG_TOP       32  /* This is the top of a floor stack */
//}}}
//{{{
struct itemsinfo
{
    uint num;
    uint alloced;
    struct item *items;
};
//}}}
TYPEDEF(struct item item)
TYPEDEF(struct itemsinfo itemsinfo)

/*{{{*/
struct stat_mod_desc
{
    uchar type;
    uchar stat;
    sint amount;
};
TYPEDEF(struct stat_mod_desc stat_mod_desc)
#define STATMOD_ADD     1 /* [stat]+=amount */
#define STATMOD_ADDPLUS 2 /* [stat]+=amount + item.plus */
#define STATMOD_OR      3 /* [stat]|=amount */
#define STATMOD_SET     4 /* [stat]= amount */
//}}}
#ifndef DATA_FILE
//{{{
union item_property_desc
{
    filelink parent;
    stat_mod_desc worn_stat_effect;
    stat_mod_desc carried_stat_effect;
    uint launcher;
    filelink function;
    uint score_factor;
};
TYPEDEF(union item_property_desc item_property_desc)
//}}}
//{{{
struct item_property
{
    uint type;
    item_property_desc contents;
};
TYPEDEF(struct item_property item_property)
//}}}
//{{{
struct item_properties
{
    uint num_properties;
    item_property properties[1];
};
TYPEDEF(struct item_properties item_properties)
//}}}
//{{{
struct itemextension
{
#ifdef SUPPORT_COLOR
    struct colorinfo color;
#endif
    char str[1];
};
TYPEDEF(struct itemextension itemextension)
//}}}
#endif
//{{{
#define PROPERTY_INHERIT          0 /* Inherit properties from another item */
#define PROPERTY_WORN_STAT_EFFECT 1 /* When equipped, apply stat_mod_desc */
#define PROPERTY_WEAR_FUNC        2 /* Function to call when equipping */
#define PROPERTY_LAUNCHER         3 /* Bit-mask of launchers that can be used
                                     *   with this ammo */
#define PROPERTY_USE_EFFECT       4 /* int (*)(int n): item n was used. Return
                                     *   non-zero to identify the item. */
#define PROPERTY_THROW_HIT_EFFECT 5 /* void (*)(int monst): item was thrown
                                     *   at a monster. */
#define PROPERTY_SCORE            6 /* Worth [score_factor]*[item value] pts */
#define PROPERTY_CARRIED_EFFECT   7
#define PROPERTY_THROWN_EFFECT    8 /* Applied immediately before firing and
                                     * then undone */
#define PROPERTY_BURN             9 /* int(*)(int n) Function for depleting fuel
                                     * Return value ignored */
//}}}

//{{{
struct itemdesc
{
    uint num;
    struct filelink name;
    struct filelink unidname;
    uchar drawchar;
    schar spot;
    uchar category;
    uint flags;
    uint weight;
    uint value;
    uint stacksize;
#ifdef SUPPORT_COLOR
    struct colorinfo color;
#endif
#ifndef DATA_FILE
    item_properties properties;
#endif
};
//}}}
//{{{
#define ITEMFLAG_STACK         1
#define ITEMFLAG_FRAGILE       2
#define ITEMFLAG_AUTOID        4
#define ITEMFLAG_RUSTPROOF     8
#define ITEMFLAG_CURRENCY     16
#define ITEMFLAG_CHARGED      32
#define ITEMFLAG_USABLE       64
#define ITEMFLAG_HIDECHARGE  256
#define ITEMFLAG_PLUS        512
#define ITEMFLAG_GEN_CURSED 1024
#define ITEMFLAG_BREAKABLE  2048
#define ITEMFLAG_FUELED     8192
//}}}
TYPEDEF(struct itemdesc itemdesc)

TYPEDEF(int (*inventoryfilter)(const item*))

#endif //ITEMS_H

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