/*
 * RAM $Id: db.c 16 2008-10-22 04:42:21Z ram $
 */

/***************************************************************************
 *  Original Diku Mud copyright (C) 1990, 1991 by Sebastian Hammer,        *
 *  Michael Seifert, Hans Henrik St{rfeldt, Tom Madsen, and Katja Nyboe.   *
 *                                                                         *
 *  Merc Diku Mud improvments copyright (C) 1992, 1993 by Michael          *
 *  Chastain, Michael Quan, and Mitchell Tse.                              *
 *                                                                         *
 *  In order to use any part of this Merc Diku Mud, you must comply with   *
 *  both the original Diku license in 'license.doc' as well the Merc       *
 *  license in 'license.txt'.  In particular, you may not remove either of *
 *  these copyright notices.                                               *
 *                                                                         *
 *  Much time and thought has gone into this software and you are          *
 *  benefitting.  We hope that you share your changes too.  What goes      *
 *  around, comes around.                                                  *
 ***************************************************************************/

/***************************************************************************
*       ROM 2.4 is copyright 1993-1998 Russ Taylor                         *
*       ROM has been brought to you by the ROM consortium                  *
*           Russ Taylor (rtaylor@hypercube.org)                            *
*           Gabrielle Taylor (gtaylor@hypercube.org)                       *
*           Brian Moore (zump@rom.org)                                     *
*       By using this code, you have agreed to follow the terms of the     *
*       ROM license, in the file Rom24/doc/rom.license                     *
***************************************************************************/

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <ctype.h>
#include <time.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <errno.h>

#include "merc.h"
#include "recycle.h"
#include "tables.h"
#include "act.h"
#include "db.h"
#include "interp.h"
#include "magic.h"
#include "special.h"

/*
 * Globals.
 */
HELP_DATA              *help_first;
HELP_DATA              *help_last;

SHOP_DATA              *shop_first;
SHOP_DATA              *shop_last;

AREA_DATA              *area_first;
AREA_DATA              *area_last;

char                    bug_buf[2 * MAX_INPUT_LENGTH];
char                    log_buf[2 * MAX_INPUT_LENGTH];

CHAR_DATA              *char_list;
char                   *help_greeting;
KILL_DATA               kill_table[MAX_LEVEL];
OBJ_DATA               *object_list;
TIME_INFO_DATA          time_info;
WEATHER_DATA            weather_info;

int                     gsn_backstab;
int                     gsn_dodge;
int                     gsn_envenom;
int                     gsn_hide;
int                     gsn_peek;
int                     gsn_pick_lock;
int                     gsn_sneak;
int                     gsn_steal;

int                     gsn_disarm;
int                     gsn_enhanced_damage;
int                     gsn_kick;
int                     gsn_parry;
int                     gsn_rescue;
int                     gsn_second_attack;
int                     gsn_third_attack;

int                     gsn_blindness;
int                     gsn_charm_person;
int                     gsn_curse;
int                     gsn_invis;
int                     gsn_mass_invis;
int                     gsn_poison;
int                     gsn_plague;
int                     gsn_sleep;
int                     gsn_sanctuary;
int                     gsn_fly;

/* new gsns */

int                     gsn_axe;
int                     gsn_dagger;
int                     gsn_flail;
int                     gsn_mace;
int                     gsn_polearm;
int                     gsn_shield_block;
int                     gsn_spear;
int                     gsn_sword;
int                     gsn_whip;

int                     gsn_bash;
int                     gsn_berserk;
int                     gsn_dirt;
int                     gsn_hand_to_hand;
int                     gsn_trip;

int                     gsn_fast_healing;
int                     gsn_haggle;
int                     gsn_lore;
int                     gsn_meditation;

int                     gsn_scrolls;
int                     gsn_staves;
int                     gsn_wands;
int                     gsn_recall;

/*
 * Locals.
 */
MOB_INDEX_DATA         *mob_index_hash[MAX_KEY_HASH];
OBJ_INDEX_DATA         *obj_index_hash[MAX_KEY_HASH];
ROOM_INDEX_DATA        *room_index_hash[MAX_KEY_HASH];
char                   *string_hash[MAX_KEY_HASH];

char                   *string_space;
char                   *top_string;
char                    str_empty[1];

int                     top_affect;
int                     top_area;
int                     top_ed;
int                     top_exit;
int                     top_help;
int                     top_mob_index;
int                     top_obj_index;
int                     top_reset;
int                     top_room;
int                     top_shop;
int                     mobile_count = 0;
int                     newmobs = 0;
int                     newobjs = 0;

/*
 * Memory management.
 * Increase MAX_STRING if you have too.
 * Tune the others only if you understand what you're doing.
 */
#define                        MAX_STRING        1413120
#define                        MAX_PERM_BLOCK        131072
#define                        MAX_MEM_LIST        11

/* Magic number for memory allocation */
#define                        MAGIC_NUM        52571214

void                   *rgFreeList[MAX_MEM_LIST];
const size_t            rgSizeList[MAX_MEM_LIST] = {
    16, 32, 64, 128, 256, 1024, 2048, 4096, 8192, 16384, 32768 - 64
};

int                     nAllocString;
size_t                  sAllocString;
int                     nAllocPerm;
size_t                  sAllocPerm;

/*
 * Semi-locals.
 */
bool                    fBootDb;
FILE                   *fpArea;
char                    strArea[MAX_INPUT_LENGTH];
struct social_type      social_table[MAX_SOCIALS];
int                     social_count;

/*
 * Big mama top level function.
 */
void boot_db( void )
{

    /*
     * Init some data space stuff.
     */
    {
        if ( ( string_space = ( char * ) calloc( 1, MAX_STRING ) ) == NULL )
        {
            proper_exit( 1, "Boot_db: can't alloc %d string space.", MAX_STRING );
        }
        top_string = string_space;
        fBootDb = TRUE;
    }

    /*
     * Init random number generator.
     */
    {
        init_mm(  );
    }

    /*
     * Set time and weather.
     */
    {
        int                     lhour,
                                lday,
                                lmonth;

        lhour = ( current_time - 650336715 ) / ( PULSE_TICK / PULSE_PER_SECOND );
        time_info.hour = lhour % 24;
        lday = lhour / 24;
        time_info.day = lday % 35;
        lmonth = lday / 35;
        time_info.month = lmonth % 17;
        time_info.year = lmonth / 17;

        if ( time_info.hour < 5 )
            weather_info.sunlight = SUN_DARK;
        else if ( time_info.hour < 6 )
            weather_info.sunlight = SUN_RISE;
        else if ( time_info.hour < 19 )
            weather_info.sunlight = SUN_LIGHT;
        else if ( time_info.hour < 20 )
            weather_info.sunlight = SUN_SET;
        else
            weather_info.sunlight = SUN_DARK;

        weather_info.change = 0;
        weather_info.mmhg = 960;
        if ( time_info.month >= 7 && time_info.month <= 12 )
            weather_info.mmhg += number_range( 1, 50 );
        else
            weather_info.mmhg += number_range( 1, 80 );

        if ( weather_info.mmhg <= 980 )
            weather_info.sky = SKY_LIGHTNING;
        else if ( weather_info.mmhg <= 1000 )
            weather_info.sky = SKY_RAINING;
        else if ( weather_info.mmhg <= 1020 )
            weather_info.sky = SKY_CLOUDY;
        else
            weather_info.sky = SKY_CLOUDLESS;

    }

    /*
     * Assign gsn's for skills which have them.
     */
    {
        int                     sn;

        for ( sn = 0; sn < MAX_SKILL; sn++ )
        {
            if ( skill_table[sn].pgsn != NULL )
                *skill_table[sn].pgsn = sn;
        }
    }

    /*
     * Read in all the area files.
     */
    {
        FILE                   *fpList;

        if ( ( fpList = fopen( AREA_LIST, "r" ) ) == NULL )
        {
            char                   *e = strerror( errno );

            proper_exit( 1, "%s: %s\n", AREA_LIST, e );
        }

        for ( ;; )
        {
            strcpy( strArea, fread_word( fpList ) );
            if ( strArea[0] == '$' )
                break;

            if ( strArea[0] == '-' )
            {
                fpArea = stdin;
            }
            else
            {
                if ( ( fpArea = fopen( strArea, "r" ) ) == NULL )
                {
                    char                   *e = strerror( errno );

                    proper_exit( 1, "%s: %s\n", strArea, e );
                }
            }

            for ( ;; )
            {
                char                   *word;

                if ( fread_letter( fpArea ) != '#' )
                {
                    proper_exit( 1, "Boot_db: # not found." );
                }

                word = fread_word( fpArea );

                if ( word[0] == '$' )
                    break;
                else if ( !str_cmp( word, "AREA" ) )
                    load_area( fpArea );
                else if ( !str_cmp( word, "HELPS" ) )
                    load_helps( fpArea );
                else if ( !str_cmp( word, "MOBOLD" ) )
                    load_old_mob( fpArea );
                else if ( !str_cmp( word, "MOBILES" ) )
                    load_mobiles( fpArea );
                else if ( !str_cmp( word, "OBJOLD" ) )
                    load_old_obj( fpArea );
                else if ( !str_cmp( word, "OBJECTS" ) )
                    load_objects( fpArea );
                else if ( !str_cmp( word, "RESETS" ) )
                    load_resets( fpArea );
                else if ( !str_cmp( word, "ROOMS" ) )
                    load_rooms( fpArea );
                else if ( !str_cmp( word, "SHOPS" ) )
                    load_shops( fpArea );
                else if ( !str_cmp( word, "SOCIALS" ) )
                    load_socials( fpArea );
                else if ( !str_cmp( word, "SPECIALS" ) )
                    load_specials( fpArea );
                else
                {
                    proper_exit( 1, "Boot_db: bad section name." );
                }
            }

            if ( fpArea != stdin )
                fclose( fpArea );
            fpArea = NULL;
        }
        fclose( fpList );
    }

    /*
     * Fix up exits.
     * Declare db booting over.
     * Reset all areas once.
     * Load up the notes and ban files.
     */
    {
        fix_exits(  );
        fBootDb = FALSE;
        area_update(  );
        load_notes(  );
        load_bans(  );
    }

    return;
}

/*
 * Snarf an 'area' header line.
 */
void load_area( FILE * fp )
{
    AREA_DATA              *pArea;

    pArea = ( AREA_DATA * ) alloc_perm( sizeof( *pArea ) );
    pArea->reset_first = NULL;
    pArea->reset_last = NULL;
    pArea->file_name = fread_string( fp );
    pArea->name = fread_string( fp );
    pArea->credits = fread_string( fp );
    pArea->min_vnum = fread_number( fp );
    pArea->max_vnum = fread_number( fp );
    pArea->age = 15;
    pArea->nplayer = 0;
    pArea->empty = FALSE;

    if ( area_first == NULL )
        area_first = pArea;
    if ( area_last != NULL )
        area_last->next = pArea;
    area_last = pArea;
    pArea->next = NULL;

    top_area++;
    return;
}

/*
 * Snarf a help section.
 */
void load_helps( FILE * fp )
{
    HELP_DATA              *pHelp;

    for ( ;; )
    {
        pHelp = ( HELP_DATA * ) alloc_perm( sizeof( *pHelp ) );
        pHelp->level = fread_number( fp );
        pHelp->keyword = fread_string( fp );
        if ( pHelp->keyword[0] == '$' )
            break;
        pHelp->text = fread_string( fp );

        if ( !str_cmp( pHelp->keyword, "greeting" ) )
            help_greeting = pHelp->text;

        if ( help_first == NULL )
            help_first = pHelp;
        if ( help_last != NULL )
            help_last->next = pHelp;

        help_last = pHelp;
        pHelp->next = NULL;
        top_help++;
    }

    return;
}

/*
 * Snarf a mob section.  old style 
 */
void load_old_mob( FILE * fp )
{
    MOB_INDEX_DATA         *pMobIndex;

    /*
     * for race updating 
     */
    int                     race;
    char                    name[MAX_STRING_LENGTH];

    for ( ;; )
    {
        int                     vnum;
        char                    letter;
        int                     iHash;

        letter = fread_letter( fp );
        if ( letter != '#' )
        {
            proper_exit( 1, "Load_mobiles: # not found." );
        }

        vnum = fread_number( fp );
        if ( vnum == 0 )
            break;

        fBootDb = FALSE;
        if ( get_mob_index( vnum ) != NULL )
        {
            proper_exit( 1, "Load_mobiles: vnum %d duplicated.", vnum );
        }
        fBootDb = TRUE;

        pMobIndex = ( MOB_INDEX_DATA * ) alloc_perm( sizeof( *pMobIndex ) );
        pMobIndex->vnum = vnum;
        pMobIndex->new_format = FALSE;
        pMobIndex->player_name = fread_string( fp );
        pMobIndex->short_descr = fread_string( fp );
        pMobIndex->long_descr = fread_string( fp );
        pMobIndex->description = fread_string( fp );

        pMobIndex->long_descr[0] = UPPER( pMobIndex->long_descr[0] );
        pMobIndex->description[0] = UPPER( pMobIndex->description[0] );

        pMobIndex->act = fread_flag( fp ) | ACT_IS_NPC;
        pMobIndex->affected_by = fread_flag( fp );
        pMobIndex->pShop = NULL;
        pMobIndex->alignment = fread_number( fp );
        letter = fread_letter( fp );
        pMobIndex->level = fread_number( fp );

        /*
         * The unused stuff is for imps who want to use the old-style
         * stats-in-files method.
         */
        fread_number( fp );                            /* Unused */
        fread_number( fp );                            /* Unused */
        fread_number( fp );                            /* Unused */
        /*
         * 'd' 
         */ fread_letter( fp );
        /*
         * Unused 
         */
        fread_number( fp );                            /* Unused */
        /*
         * '+' 
         */ fread_letter( fp );
        /*
         * Unused 
         */
        fread_number( fp );                            /* Unused */
        fread_number( fp );                            /* Unused */
        /*
         * 'd' 
         */ fread_letter( fp );
        /*
         * Unused 
         */
        fread_number( fp );                            /* Unused */
        /*
         * '+' 
         */ fread_letter( fp );
        /*
         * Unused 
         */
        fread_number( fp );                            /* Unused */
        pMobIndex->wealth = fread_number( fp ) / 20;
        /*
         * xp can't be used! 
         */ fread_number( fp );
        /*
         * Unused 
         */
        pMobIndex->start_pos = fread_number( fp );     /* Unused */
        pMobIndex->default_pos = fread_number( fp );   /* Unused */

        if ( pMobIndex->start_pos < POS_SLEEPING )
            pMobIndex->start_pos = POS_STANDING;
        if ( pMobIndex->default_pos < POS_SLEEPING )
            pMobIndex->default_pos = POS_STANDING;

        /*
         * Back to meaningful values.
         */
        pMobIndex->sex = fread_number( fp );

        /*
         * compute the race BS 
         */
        one_argument( pMobIndex->player_name, name );

        if ( name[0] == '\0' || ( race = race_lookup( name ) ) == 0 )
        {
            /*
             * fill in with blanks 
             */
            pMobIndex->race = race_lookup( "human" );
            pMobIndex->off_flags = OFF_DODGE | OFF_DISARM | OFF_TRIP | ASSIST_VNUM;
            pMobIndex->imm_flags = 0;
            pMobIndex->res_flags = 0;
            pMobIndex->vuln_flags = 0;
            pMobIndex->form = FORM_EDIBLE | FORM_SENTIENT | FORM_BIPED | FORM_MAMMAL;
            pMobIndex->parts = PART_HEAD | PART_ARMS | PART_LEGS | PART_HEART |
                PART_BRAINS | PART_GUTS;
        }
        else
        {
            pMobIndex->race = race;
            pMobIndex->off_flags = OFF_DODGE | OFF_DISARM | OFF_TRIP | ASSIST_RACE |
                race_table[race].off;
            pMobIndex->imm_flags = race_table[race].imm;
            pMobIndex->res_flags = race_table[race].res;
            pMobIndex->vuln_flags = race_table[race].vuln;
            pMobIndex->form = race_table[race].form;
            pMobIndex->parts = race_table[race].parts;
        }

        if ( letter != 'S' )
        {
            proper_exit( 1, "Load_mobiles: vnum %d non-S.", vnum );
        }

        iHash = vnum % MAX_KEY_HASH;
        pMobIndex->next = mob_index_hash[iHash];
        mob_index_hash[iHash] = pMobIndex;
        top_mob_index++;
        kill_table[URANGE( 0, pMobIndex->level, MAX_LEVEL - 1 )].number++;
    }

    return;
}

/*
 * Snarf an obj section.  old style 
 */
void load_old_obj( FILE * fp )
{
    OBJ_INDEX_DATA         *pObjIndex;

    for ( ;; )
    {
        int                     vnum;
        char                    letter;
        int                     iHash;

        letter = fread_letter( fp );
        if ( letter != '#' )
        {
            proper_exit( 1, "Load_objects: # not found." );
        }

        vnum = fread_number( fp );
        if ( vnum == 0 )
            break;

        fBootDb = FALSE;
        if ( get_obj_index( vnum ) != NULL )
        {
            proper_exit( 1, "Load_objects: vnum %d duplicated.", vnum );
        }
        fBootDb = TRUE;

        pObjIndex = ( OBJ_INDEX_DATA * ) alloc_perm( sizeof( *pObjIndex ) );
        pObjIndex->vnum = vnum;
        pObjIndex->new_format = FALSE;
        pObjIndex->reset_num = 0;
        pObjIndex->name = fread_string( fp );
        pObjIndex->short_descr = fread_string( fp );
        pObjIndex->description = fread_string( fp );
        /*
         * Action description 
         */ fread_string( fp );

        pObjIndex->short_descr[0] = LOWER( pObjIndex->short_descr[0] );
        pObjIndex->description[0] = UPPER( pObjIndex->description[0] );
        pObjIndex->material = str_dup( "" );

        pObjIndex->item_type = fread_number( fp );
        pObjIndex->extra_flags = fread_flag( fp );
        pObjIndex->wear_flags = fread_flag( fp );
        pObjIndex->value[0] = fread_number( fp );
        pObjIndex->value[1] = fread_number( fp );
        pObjIndex->value[2] = fread_number( fp );
        pObjIndex->value[3] = fread_number( fp );
        pObjIndex->value[4] = 0;
        pObjIndex->level = 0;
        pObjIndex->condition = 100;
        pObjIndex->weight = fread_number( fp );
        pObjIndex->cost = fread_number( fp );          /* Unused */
        /*
         * Cost per day 
         */ fread_number( fp );

        if ( pObjIndex->item_type == ITEM_WEAPON )
        {
            if ( is_name( "two", pObjIndex->name )
                 || is_name( "two-handed", pObjIndex->name )
                 || is_name( "claymore", pObjIndex->name ) )
                SET_BIT( pObjIndex->value[4], WEAPON_TWO_HANDS );
        }

        for ( ;; )
        {
            char                    another_letter;

            another_letter = fread_letter( fp );

            if ( another_letter == 'A' )
            {
                AFFECT_DATA            *paf;

                paf = ( AFFECT_DATA * ) alloc_perm( sizeof( *paf ) );
                paf->where = TO_OBJECT;
                paf->type = -1;
                paf->level = 20;                       /* RT temp fix */
                paf->duration = -1;
                paf->location = fread_number( fp );
                paf->modifier = fread_number( fp );
                paf->bitvector = 0;
                paf->next = pObjIndex->affected;
                pObjIndex->affected = paf;
                top_affect++;
            }

            else if ( another_letter == 'E' )
            {
                EXTRA_DESCR_DATA       *ed;

                ed = ( EXTRA_DESCR_DATA * ) alloc_perm( sizeof( *ed ) );
                ed->keyword = fread_string( fp );
                ed->description = fread_string( fp );
                ed->next = pObjIndex->extra_descr;
                pObjIndex->extra_descr = ed;
                top_ed++;
            }

            else
            {
                ungetc( another_letter, fp );
                break;
            }
        }

        /*
         * fix armors 
         */
        if ( pObjIndex->item_type == ITEM_ARMOR )
        {
            pObjIndex->value[1] = pObjIndex->value[0];
            pObjIndex->value[2] = pObjIndex->value[1];
        }

        /*
         * Translate spell "slot numbers" to internal "skill numbers."
         */
        switch ( pObjIndex->item_type )
        {
            case ITEM_PILL:
            case ITEM_POTION:
            case ITEM_SCROLL:
                pObjIndex->value[1] = slot_lookup( pObjIndex->value[1] );
                pObjIndex->value[2] = slot_lookup( pObjIndex->value[2] );
                pObjIndex->value[3] = slot_lookup( pObjIndex->value[3] );
                pObjIndex->value[4] = slot_lookup( pObjIndex->value[4] );
                break;

            case ITEM_STAFF:
            case ITEM_WAND:
                pObjIndex->value[3] = slot_lookup( pObjIndex->value[3] );
                break;
        }

        iHash = vnum % MAX_KEY_HASH;
        pObjIndex->next = obj_index_hash[iHash];
        obj_index_hash[iHash] = pObjIndex;
        top_obj_index++;
    }

    return;
}

/*
 * Snarf a reset section.
 */
void load_resets( FILE * fp )
{
    RESET_DATA             *pReset;

    if ( area_last == NULL )
    {
        proper_exit( 1, "Load_resets: no #AREA seen yet." );
    }

    for ( ;; )
    {
        ROOM_INDEX_DATA        *pRoomIndex;
        EXIT_DATA              *pexit;
        char                    letter;
        OBJ_INDEX_DATA         *temp_index;

        if ( ( letter = fread_letter( fp ) ) == 'S' )
            break;

        if ( letter == '*' )
        {
            fread_to_eol( fp );
            continue;
        }

        pReset = ( RESET_DATA * ) alloc_perm( sizeof( *pReset ) );
        pReset->command = letter;
        /*
         * if_flag 
         */ fread_number( fp );
        pReset->arg1 = fread_number( fp );
        pReset->arg2 = fread_number( fp );
        pReset->arg3 = ( letter == 'G' || letter == 'R' ) ? 0 : fread_number( fp );
        pReset->arg4 = ( letter == 'P' || letter == 'M' ) ? fread_number( fp ) : 0;
        fread_to_eol( fp );

        /*
         * Validate parameters.
         * We're calling the index functions for the side effect.
         */
        switch ( letter )
        {
            default:
                proper_exit( 1, "Load_resets: bad command '%c'.", letter );
                break;

            case 'M':
                get_mob_index( pReset->arg1 );
                get_room_index( pReset->arg3 );
                break;

            case 'O':
                temp_index = get_obj_index( pReset->arg1 );
                temp_index->reset_num++;
                get_room_index( pReset->arg3 );
                break;

            case 'P':
                temp_index = get_obj_index( pReset->arg1 );
                temp_index->reset_num++;
                get_obj_index( pReset->arg3 );
                break;

            case 'G':
            case 'E':
                temp_index = get_obj_index( pReset->arg1 );
                temp_index->reset_num++;
                break;

            case 'D':
                pRoomIndex = get_room_index( pReset->arg1 );

                if ( pReset->arg2 < 0
                     || pReset->arg2 > 5
                     || ( pexit = pRoomIndex->exit[pReset->arg2] ) == NULL
                     || !IS_SET( pexit->exit_info, EX_ISDOOR ) )
                {
                    proper_exit( 1, "Load_resets: 'D': exit %d not door.", pReset->arg2 );
                }

                if ( pReset->arg3 < 0 || pReset->arg3 > 2 )
                {
                    proper_exit( 1, "Load_resets: 'D': bad 'locks': %d.", pReset->arg3 );
                }

                break;

            case 'R':
                pRoomIndex = get_room_index( pReset->arg1 );

                if ( pReset->arg2 < 0 || pReset->arg2 > 6 )
                {
                    proper_exit( 1, "Load_resets: 'R': bad exit %d.", pReset->arg2 );
                }

                break;
        }

        if ( area_last->reset_first == NULL )
            area_last->reset_first = pReset;
        if ( area_last->reset_last != NULL )
            area_last->reset_last->next = pReset;

        area_last->reset_last = pReset;
        pReset->next = NULL;
        top_reset++;
    }

    return;
}

/*
 * Snarf a room section.
 */
void load_rooms( FILE * fp )
{
    ROOM_INDEX_DATA        *pRoomIndex;

    if ( area_last == NULL )
    {
        proper_exit( 1, "Load_resets: no #AREA seen yet." );
    }

    for ( ;; )
    {
        int                     vnum;
        char                    letter;
        int                     door;
        int                     iHash;

        letter = fread_letter( fp );
        if ( letter != '#' )
        {
            proper_exit( 1, "Load_rooms: # not found." );
        }

        vnum = fread_number( fp );
        if ( vnum == 0 )
            break;

        fBootDb = FALSE;
        if ( get_room_index( vnum ) != NULL )
        {
            proper_exit( 1, "Load_rooms: vnum %d duplicated.", vnum );
        }
        fBootDb = TRUE;

        pRoomIndex = ( ROOM_INDEX_DATA * ) alloc_perm( sizeof( *pRoomIndex ) );
        pRoomIndex->owner = str_dup( "" );
        pRoomIndex->people = NULL;
        pRoomIndex->contents = NULL;
        pRoomIndex->extra_descr = NULL;
        pRoomIndex->area = area_last;
        pRoomIndex->vnum = vnum;
        pRoomIndex->name = fread_string( fp );
        pRoomIndex->description = fread_string( fp );
        /*
         * Area number 
         */ fread_number( fp );
        pRoomIndex->room_flags = fread_flag( fp );
        /*
         * horrible hack 
         */
        if ( 3000 <= vnum && vnum < 3400 )
            SET_BIT( pRoomIndex->room_flags, ROOM_LAW );
        pRoomIndex->sector_type = fread_number( fp );
        pRoomIndex->light = 0;
        for ( door = 0; door < MAX_EXIT; door++ )
            pRoomIndex->exit[door] = NULL;

        /*
         * defaults 
         */
        pRoomIndex->heal_rate = 100;
        pRoomIndex->mana_rate = 100;

        for ( ;; )
        {
            letter = fread_letter( fp );

            if ( letter == 'S' )
                break;

            if ( letter == 'H' )                       /* healing room */
                pRoomIndex->heal_rate = fread_number( fp );

            else if ( letter == 'M' )                  /* mana room */
                pRoomIndex->mana_rate = fread_number( fp );

            else if ( letter == 'C' )                  /* clan */
            {
                if ( pRoomIndex->clan )
                {
                    proper_exit( 1, "Load_rooms: duplicate clan fields." );
                }
                pRoomIndex->clan = clan_lookup( fread_string( fp ) );
            }

            else if ( letter == 'D' )
            {
                EXIT_DATA              *pexit;
                int                     locks;

                door = fread_number( fp );
                if ( door < 0 || door >= MAX_EXIT )
                {
                    proper_exit( 1, "Fread_rooms: vnum %d has bad door number.", vnum );
                }

                pexit = ( EXIT_DATA * ) alloc_perm( sizeof( *pexit ) );
                pexit->description = fread_string( fp );
                pexit->keyword = fread_string( fp );
                pexit->exit_info = 0;
                locks = fread_number( fp );
                pexit->key = fread_number( fp );
                pexit->u1.vnum = fread_number( fp );

                switch ( locks )
                {
                    case 1:
                        pexit->exit_info = EX_ISDOOR;
                        break;
                    case 2:
                        pexit->exit_info = EX_ISDOOR | EX_PICKPROOF;
                        break;
                    case 3:
                        pexit->exit_info = EX_ISDOOR | EX_NOPASS;
                        break;
                    case 4:
                        pexit->exit_info = EX_ISDOOR | EX_NOPASS | EX_PICKPROOF;
                        break;
                }

                pRoomIndex->exit[door] = pexit;
                pRoomIndex->old_exit[door] = pexit;
                top_exit++;
            }
            else if ( letter == 'E' )
            {
                EXTRA_DESCR_DATA       *ed;

                ed = ( EXTRA_DESCR_DATA * ) alloc_perm( sizeof( *ed ) );
                ed->keyword = fread_string( fp );
                ed->description = fread_string( fp );
                ed->next = pRoomIndex->extra_descr;
                pRoomIndex->extra_descr = ed;
                top_ed++;
            }

            else if ( letter == 'O' )
            {
                if ( pRoomIndex->owner[0] != '\0' )
                {
                    proper_exit( 1, "Load_rooms: duplicate owner." );
                }

                pRoomIndex->owner = fread_string( fp );
            }

            else
            {
                proper_exit( 1, "Load_rooms: vnum %d has flag not 'DES'.", vnum );
            }
        }

        iHash = vnum % MAX_KEY_HASH;
        pRoomIndex->next = room_index_hash[iHash];
        room_index_hash[iHash] = pRoomIndex;
        top_room++;
    }

    return;
}

/*
 * Snarf a shop section.
 */
void load_shops( FILE * fp )
{
    SHOP_DATA              *pShop;

    for ( ;; )
    {
        MOB_INDEX_DATA         *pMobIndex;
        int                     iTrade;

        pShop = ( SHOP_DATA * ) alloc_perm( sizeof( *pShop ) );
        pShop->keeper = fread_number( fp );
        if ( pShop->keeper == 0 )
            break;
        for ( iTrade = 0; iTrade < MAX_TRADE; iTrade++ )
            pShop->buy_type[iTrade] = fread_number( fp );
        pShop->profit_buy = fread_number( fp );
        pShop->profit_sell = fread_number( fp );
        pShop->open_hour = fread_number( fp );
        pShop->close_hour = fread_number( fp );
        fread_to_eol( fp );
        pMobIndex = get_mob_index( pShop->keeper );
        pMobIndex->pShop = pShop;

        if ( shop_first == NULL )
            shop_first = pShop;
        if ( shop_last != NULL )
            shop_last->next = pShop;

        shop_last = pShop;
        pShop->next = NULL;
        top_shop++;
    }

    return;
}

/*
 * Snarf spec proc declarations.
 */
void load_specials( FILE * fp )
{
    for ( ;; )
    {
        MOB_INDEX_DATA         *pMobIndex;
        char                    letter;

        switch ( letter = fread_letter( fp ) )
        {
            default:
                proper_exit( 1, "Load_specials: letter '%c' not *MS.", letter );

            case 'S':
                return;

            case '*':
                break;

            case 'M':
                pMobIndex = get_mob_index( fread_number( fp ) );
                pMobIndex->spec_fun = spec_lookup( fread_word( fp ) );
                if ( pMobIndex->spec_fun == 0 )
                {
                    proper_exit( 1, "Load_specials: 'M': vnum %d.", pMobIndex->vnum );
                }
                break;
        }

        fread_to_eol( fp );
    }
}

/*
 * Translate all room exits from virtual to real.
 * Has to be done after all rooms are read in.
 * Check for bad reverse exits.
 */
void fix_exits( void )
{
    /*
     * extern const int rev_dir []; 
     */
    char                    buf[MAX_STRING_LENGTH];
    ROOM_INDEX_DATA        *pRoomIndex;
    ROOM_INDEX_DATA        *to_room;
    EXIT_DATA              *pexit;
    EXIT_DATA              *pexit_rev;
    int                     iHash;
    int                     door;

    for ( iHash = 0; iHash < MAX_KEY_HASH; iHash++ )
    {
        for ( pRoomIndex = room_index_hash[iHash];
              pRoomIndex != NULL; pRoomIndex = pRoomIndex->next )
        {
            bool                    fexit;

            fexit = FALSE;
            for ( door = 0; door < MAX_EXIT; door++ )
            {
                if ( ( pexit = pRoomIndex->exit[door] ) != NULL )
                {
                    if ( pexit->u1.vnum <= 0 || get_room_index( pexit->u1.vnum ) == NULL )
                        pexit->u1.to_room = NULL;
                    else
                    {
                        fexit = TRUE;
                        pexit->u1.to_room = get_room_index( pexit->u1.vnum );
                    }
                }
            }
            if ( !fexit )
                SET_BIT( pRoomIndex->room_flags, ROOM_NO_MOB );
        }
    }

    for ( iHash = 0; iHash < MAX_KEY_HASH; iHash++ )
    {
        for ( pRoomIndex = room_index_hash[iHash];
              pRoomIndex != NULL; pRoomIndex = pRoomIndex->next )
        {
            for ( door = 0; door < MAX_EXIT; door++ )
            {
                if ( ( pexit = pRoomIndex->exit[door] ) != NULL
                     && ( to_room = pexit->u1.to_room ) != NULL
                     && ( pexit_rev = to_room->exit[rev_dir[door]] ) != NULL
                     && pexit_rev->u1.to_room != pRoomIndex
                     && ( pRoomIndex->vnum < 1200 || pRoomIndex->vnum > 1299 ) )
                {
                    sprintf( buf, "Fix_exits: %d:%d -> %d:%d -> %d.",
                             pRoomIndex->vnum, door,
                             to_room->vnum, rev_dir[door],
                             ( pexit_rev->u1.to_room == NULL )
                             ? 0 : pexit_rev->u1.to_room->vnum );
                    bug( buf, 0 );
                }
            }
        }
    }

    return;
}

/*
 * Repopulate areas periodically.
 */
void area_update( void )
{
    AREA_DATA              *pArea;
    char                    buf[MAX_STRING_LENGTH];

    for ( pArea = area_first; pArea != NULL; pArea = pArea->next )
    {

        if ( ++pArea->age < 3 )
            continue;

        /*
         * Check age and reset.
         * Note: Mud School resets every 3 minutes (not 15).
         */
        if ( ( !pArea->empty && ( pArea->nplayer == 0 || pArea->age >= 15 ) )
             || pArea->age >= 31 )
        {
            ROOM_INDEX_DATA        *pRoomIndex;

            reset_area( pArea );
            sprintf( buf, "%s has just been reset.", pArea->name );
            wiznet( buf, NULL, NULL, WIZ_RESETS, 0, 0 );

            pArea->age = number_range( 0, 3 );
            pRoomIndex = get_room_index( ROOM_VNUM_SCHOOL );
            if ( pRoomIndex != NULL && pArea == pRoomIndex->area )
                pArea->age = 15 - 2;
            else if ( pArea->nplayer == 0 )
                pArea->empty = TRUE;
        }
    }

    return;
}

/*
 * Reset one area.
 */
void reset_area( AREA_DATA *pArea )
{
    RESET_DATA             *pReset;
    CHAR_DATA              *mob;
    bool                    last;
    int                     level;

    mob = NULL;
    last = TRUE;
    level = 0;
    for ( pReset = pArea->reset_first; pReset != NULL; pReset = pReset->next )
    {
        ROOM_INDEX_DATA        *pRoomIndex;
        MOB_INDEX_DATA         *pMobIndex;
        OBJ_INDEX_DATA         *pObjIndex;
        OBJ_INDEX_DATA         *pObjToIndex;
        EXIT_DATA              *pexit;
        OBJ_DATA               *obj;
        OBJ_DATA               *obj_to;
        int                     count,
                                limit;

        switch ( pReset->command )
        {
            default:
                bug( "Reset_area: bad command %c.", pReset->command );
                break;

            case 'M':
                if ( ( pMobIndex = get_mob_index( pReset->arg1 ) ) == NULL )
                {
                    bug( "Reset_area: 'M': bad vnum %d.", pReset->arg1 );
                    continue;
                }

                if ( ( pRoomIndex = get_room_index( pReset->arg3 ) ) == NULL )
                {
                    bug( "Reset_area: 'R': bad vnum %d.", pReset->arg3 );
                    continue;
                }

                if ( pMobIndex->count >= pReset->arg2 )
                {
                    last = FALSE;
                    break;
                }

                count = 0;
                for ( mob = pRoomIndex->people; mob != NULL; mob = mob->next_in_room )
                    if ( mob->pIndexData == pMobIndex )
                    {
                        count++;
                        if ( count >= pReset->arg4 )
                        {
                            last = FALSE;
                            break;
                        }
                    }

                if ( count >= pReset->arg4 )
                    break;

                mob = create_mobile( pMobIndex );

                /*
                 * Check for pet shop.
                 */
                {
                    ROOM_INDEX_DATA        *pRoomIndexPrev;

                    pRoomIndexPrev = get_room_index( pRoomIndex->vnum - 1 );
                    if ( pRoomIndexPrev != NULL
                         && IS_SET( pRoomIndexPrev->room_flags, ROOM_PET_SHOP ) )
                        SET_BIT( mob->act, ACT_PET );
                }

                /*
                 * set area 
                 */
                mob->zone = pRoomIndex->area;

                char_to_room( mob, pRoomIndex );
                level = URANGE( 0, mob->level - 2, LEVEL_HERO - 1 );
                last = TRUE;
                break;

            case 'O':
                if ( ( pObjIndex = get_obj_index( pReset->arg1 ) ) == NULL )
                {
                    bug( "Reset_area: 'O': bad vnum %d.", pReset->arg1 );
                    continue;
                }

                if ( ( pRoomIndex = get_room_index( pReset->arg3 ) ) == NULL )
                {
                    bug( "Reset_area: 'R': bad vnum %d.", pReset->arg3 );
                    continue;
                }

                if ( pArea->nplayer > 0
                     || count_obj_list( pObjIndex, pRoomIndex->contents ) > 0 )
                {
                    last = FALSE;
                    break;
                }

                obj = create_object( pObjIndex, UMIN( number_fuzzy( level ),
                                                      LEVEL_HERO - 1 ) );
                obj->cost = 0;
                obj_to_room( obj, pRoomIndex );
                last = TRUE;
                break;

            case 'P':
                if ( ( pObjIndex = get_obj_index( pReset->arg1 ) ) == NULL )
                {
                    bug( "Reset_area: 'P': bad vnum %d.", pReset->arg1 );
                    continue;
                }

                if ( ( pObjToIndex = get_obj_index( pReset->arg3 ) ) == NULL )
                {
                    bug( "Reset_area: 'P': bad vnum %d.", pReset->arg3 );
                    continue;
                }

                if ( pReset->arg2 > 50 )               /* old format */
                    limit = 6;
                else if ( pReset->arg2 == -1 )         /* no limit */
                    limit = 999;
                else
                    limit = pReset->arg2;

                if ( pArea->nplayer > 0
                     || ( obj_to = get_obj_type( pObjToIndex ) ) == NULL
                     || ( obj_to->in_room == NULL && !last )
                     || ( pObjIndex->count >= limit && number_range( 0, 4 ) != 0 )
                     || ( count = count_obj_list( pObjIndex, obj_to->contains ) )
                     > pReset->arg4 )
                {
                    last = FALSE;
                    break;
                }

                while ( count < pReset->arg4 )
                {
                    obj = create_object( pObjIndex, number_fuzzy( obj_to->level ) );
                    obj_to_obj( obj, obj_to );
                    count++;
                    if ( pObjIndex->count >= limit )
                        break;
                }
                /*
                 * fix object lock state! 
                 */
                obj_to->value[1] = obj_to->pIndexData->value[1];
                last = TRUE;
                break;

            case 'G':
            case 'E':
                if ( ( pObjIndex = get_obj_index( pReset->arg1 ) ) == NULL )
                {
                    bug( "Reset_area: 'E' or 'G': bad vnum %d.", pReset->arg1 );
                    continue;
                }

                if ( !last )
                    break;

                if ( mob == NULL )
                {
                    bug( "Reset_area: 'E' or 'G': null mob for vnum %d.", pReset->arg1 );
                    last = FALSE;
                    break;
                }

                if ( mob->pIndexData->pShop != NULL )
                {
                    int                     olevel = 0,
                        i,
                        j;

                    if ( !pObjIndex->new_format )
                        switch ( pObjIndex->item_type )
                        {
                            case ITEM_PILL:
                            case ITEM_POTION:
                            case ITEM_SCROLL:
                                olevel = 53;
                                for ( i = 1; i < 5; i++ )
                                {
                                    if ( pObjIndex->value[i] > 0 )
                                    {
                                        for ( j = 0; j < MAX_CLASS; j++ )
                                        {
                                            olevel = UMIN( olevel,
                                                           skill_table[pObjIndex->
                                                                       value[i]].
                                                           skill_level[j] );
                                        }
                                    }
                                }

                                olevel = UMAX( 0, ( olevel * 3 / 4 ) - 2 );
                                break;
                            case ITEM_WAND:
                                olevel = number_range( 10, 20 );
                                break;
                            case ITEM_STAFF:
                                olevel = number_range( 15, 25 );
                                break;
                            case ITEM_ARMOR:
                                olevel = number_range( 5, 15 );
                                break;
                            case ITEM_WEAPON:
                                olevel = number_range( 5, 15 );
                                break;
                            case ITEM_TREASURE:
                                olevel = number_range( 10, 20 );
                                break;
                        }

                    obj = create_object( pObjIndex, olevel );
                    SET_BIT( obj->extra_flags, ITEM_INVENTORY );
                }

                else
                {
                    if ( pReset->arg2 > 50 )           /* old format */
                        limit = 6;
                    else if ( pReset->arg2 == -1 )     /* no limit */
                        limit = 999;
                    else
                        limit = pReset->arg2;

                    if ( pObjIndex->count < limit || number_range( 0, 4 ) == 0 )
                    {
                        obj = create_object( pObjIndex, UMIN( number_fuzzy( level ),
                                                              LEVEL_HERO - 1 ) );
                        /*
                         * error message if it is too high 
                         */
                        if ( obj->level > mob->level + 3
                             || ( obj->item_type == ITEM_WEAPON
                                  && pReset->command == 'E'
                                  && obj->level < mob->level - 5 && obj->level < 45 ) )
                            fprintf( stderr,
                                     "Err: obj %s (%d) -- %d, mob %s (%d) -- %d\n",
                                     obj->short_descr, obj->pIndexData->vnum, obj->level,
                                     mob->short_descr, mob->pIndexData->vnum,
                                     mob->level );
                    }
                    else
                        break;
                }
                obj_to_char( obj, mob );
                if ( pReset->command == 'E' )
                    equip_char( mob, obj, pReset->arg3 );
                last = TRUE;
                break;

            case 'D':
                if ( ( pRoomIndex = get_room_index( pReset->arg1 ) ) == NULL )
                {
                    bug( "Reset_area: 'D': bad vnum %d.", pReset->arg1 );
                    continue;
                }

                if ( ( pexit = pRoomIndex->exit[pReset->arg2] ) == NULL )
                    break;

                switch ( pReset->arg3 )
                {
                    case 0:
                        REMOVE_BIT( pexit->exit_info, EX_CLOSED );
                        REMOVE_BIT( pexit->exit_info, EX_LOCKED );
                        break;

                    case 1:
                        SET_BIT( pexit->exit_info, EX_CLOSED );
                        REMOVE_BIT( pexit->exit_info, EX_LOCKED );
                        break;

                    case 2:
                        SET_BIT( pexit->exit_info, EX_CLOSED );
                        SET_BIT( pexit->exit_info, EX_LOCKED );
                        break;
                }

                last = TRUE;
                break;

            case 'R':
                if ( ( pRoomIndex = get_room_index( pReset->arg1 ) ) == NULL )
                {
                    bug( "Reset_area: 'R': bad vnum %d.", pReset->arg1 );
                    continue;
                }

                {
                    int                     d0;
                    int                     d1;

                    for ( d0 = 0; d0 < pReset->arg2 - 1; d0++ )
                    {
                        d1 = number_range( d0, pReset->arg2 - 1 );
                        pexit = pRoomIndex->exit[d0];
                        pRoomIndex->exit[d0] = pRoomIndex->exit[d1];
                        pRoomIndex->exit[d1] = pexit;
                    }
                }
                break;
        }
    }

    return;
}

/*
 * Create an instance of a mobile.
 */
CHAR_DATA              *create_mobile( MOB_INDEX_DATA *pMobIndex )
{
    CHAR_DATA              *mob;
    int                     i;
    AFFECT_DATA             af;

    mobile_count++;

    if ( pMobIndex == NULL )
    {
        proper_exit( 1, "Create_mobile: NULL pMobIndex." );
    }

    mob = new_char(  );

    mob->pIndexData = pMobIndex;

    mob->name = pMobIndex->player_name;
    mob->id = get_mob_id(  );
    mob->short_descr = pMobIndex->short_descr;
    mob->long_descr = pMobIndex->long_descr;
    mob->description = pMobIndex->description;
    mob->spec_fun = pMobIndex->spec_fun;
    mob->prompt = NULL;

    if ( pMobIndex->wealth == 0 )
    {
        mob->silver = 0;
        mob->gold = 0;
    }
    else
    {
        int                     wealth;

        wealth = number_range( pMobIndex->wealth / 2, 3 * pMobIndex->wealth / 2 );
        mob->gold = number_range( wealth / 200, wealth / 100 );
        mob->silver = wealth - ( mob->gold * 100 );
    }

    if ( pMobIndex->new_format )
        /*
         * load in new style 
         */
    {
        /*
         * read from prototype 
         */
        mob->group = pMobIndex->group;
        mob->act = pMobIndex->act;
        mob->comm = COMM_NOCHANNELS | COMM_NOSHOUT | COMM_NOTELL;
        mob->affected_by = pMobIndex->affected_by;
        mob->alignment = pMobIndex->alignment;
        mob->level = pMobIndex->level;
        mob->hitroll = pMobIndex->hitroll;
        mob->damroll = pMobIndex->damage[DICE_BONUS];
        mob->max_hit = dice( pMobIndex->hit[DICE_NUMBER],
                             pMobIndex->hit[DICE_TYPE] ) + pMobIndex->hit[DICE_BONUS];
        mob->hit = mob->max_hit;
        mob->max_mana = dice( pMobIndex->mana[DICE_NUMBER],
                              pMobIndex->mana[DICE_TYPE] ) + pMobIndex->mana[DICE_BONUS];
        mob->mana = mob->max_mana;
        mob->damage[DICE_NUMBER] = pMobIndex->damage[DICE_NUMBER];
        mob->damage[DICE_TYPE] = pMobIndex->damage[DICE_TYPE];
        mob->dam_type = pMobIndex->dam_type;
        if ( mob->dam_type == 0 )
            switch ( number_range( 1, 3 ) )
            {
                case ( 1 ):
                    mob->dam_type = 3;
                    break;                             /* slash */
                case ( 2 ):
                    mob->dam_type = 7;
                    break;                             /* pound */
                case ( 3 ):
                    mob->dam_type = 11;
                    break;                             /* pierce */
            }
        for ( i = 0; i < 4; i++ )
            mob->armor[i] = pMobIndex->ac[i];
        mob->off_flags = pMobIndex->off_flags;
        mob->imm_flags = pMobIndex->imm_flags;
        mob->res_flags = pMobIndex->res_flags;
        mob->vuln_flags = pMobIndex->vuln_flags;
        mob->start_pos = pMobIndex->start_pos;
        mob->default_pos = pMobIndex->default_pos;
        mob->sex = pMobIndex->sex;
        if ( mob->sex == 3 )                           /* random sex */
            mob->sex = number_range( 1, 2 );
        mob->race = pMobIndex->race;
        mob->form = pMobIndex->form;
        mob->parts = pMobIndex->parts;
        mob->size = pMobIndex->size;
        mob->material = str_dup( pMobIndex->material );

        /*
         * computed on the spot 
         */

        for ( i = 0; i < MAX_STATS; i++ )
            mob->perm_stat[i] = UMIN( 25, 11 + mob->level / 4 );

        if ( IS_SET( mob->act, ACT_WARRIOR ) )
        {
            mob->perm_stat[STAT_STR] += 3;
            mob->perm_stat[STAT_INT] -= 1;
            mob->perm_stat[STAT_CON] += 2;
        }

        if ( IS_SET( mob->act, ACT_THIEF ) )
        {
            mob->perm_stat[STAT_DEX] += 3;
            mob->perm_stat[STAT_INT] += 1;
            mob->perm_stat[STAT_WIS] -= 1;
        }

        if ( IS_SET( mob->act, ACT_CLERIC ) )
        {
            mob->perm_stat[STAT_WIS] += 3;
            mob->perm_stat[STAT_DEX] -= 1;
            mob->perm_stat[STAT_STR] += 1;
        }

        if ( IS_SET( mob->act, ACT_MAGE ) )
        {
            mob->perm_stat[STAT_INT] += 3;
            mob->perm_stat[STAT_STR] -= 1;
            mob->perm_stat[STAT_DEX] += 1;
        }

        if ( IS_SET( mob->off_flags, OFF_FAST ) )
            mob->perm_stat[STAT_DEX] += 2;

        mob->perm_stat[STAT_STR] += mob->size - SIZE_MEDIUM;
        mob->perm_stat[STAT_CON] += ( mob->size - SIZE_MEDIUM ) / 2;

        /*
         * let's get some spell action 
         */
        if ( IS_AFFECTED( mob, AFF_SANCTUARY ) )
        {
            af.where = TO_AFFECTS;
            af.type = skill_lookup( "sanctuary" );
            af.level = mob->level;
            af.duration = -1;
            af.location = APPLY_NONE;
            af.modifier = 0;
            af.bitvector = AFF_SANCTUARY;
            affect_to_char( mob, &af );
        }

        if ( IS_AFFECTED( mob, AFF_HASTE ) )
        {
            af.where = TO_AFFECTS;
            af.type = skill_lookup( "haste" );
            af.level = mob->level;
            af.duration = -1;
            af.location = APPLY_DEX;
            af.modifier = 1 + ( mob->level >= 18 ) + ( mob->level >= 25 ) +
                ( mob->level >= 32 );
            af.bitvector = AFF_HASTE;
            affect_to_char( mob, &af );
        }

        if ( IS_AFFECTED( mob, AFF_PROTECT_EVIL ) )
        {
            af.where = TO_AFFECTS;
            af.type = skill_lookup( "protection evil" );
            af.level = mob->level;
            af.duration = -1;
            af.location = APPLY_SAVES;
            af.modifier = -1;
            af.bitvector = AFF_PROTECT_EVIL;
            affect_to_char( mob, &af );
        }

        if ( IS_AFFECTED( mob, AFF_PROTECT_GOOD ) )
        {
            af.where = TO_AFFECTS;
            af.type = skill_lookup( "protection good" );
            af.level = mob->level;
            af.duration = -1;
            af.location = APPLY_SAVES;
            af.modifier = -1;
            af.bitvector = AFF_PROTECT_GOOD;
            affect_to_char( mob, &af );
        }
    }
    else
    {
        /*
         * read in old format and convert 
         */
        mob->act = pMobIndex->act;
        mob->affected_by = pMobIndex->affected_by;
        mob->alignment = pMobIndex->alignment;
        mob->level = pMobIndex->level;
        mob->hitroll = pMobIndex->hitroll;
        mob->damroll = 0;
        mob->max_hit = mob->level * 8 + number_range( mob->level * mob->level / 4,
                                                      mob->level * mob->level );
        mob->max_hit *= 10 / 9;
        mob->hit = mob->max_hit;
        mob->max_mana = 100 + dice( mob->level, 10 );
        mob->mana = mob->max_mana;
        switch ( number_range( 1, 3 ) )
        {
            case ( 1 ):
                mob->dam_type = 3;
                break;                                 /* slash */
            case ( 2 ):
                mob->dam_type = 7;
                break;                                 /* pound */
            case ( 3 ):
                mob->dam_type = 11;
                break;                                 /* pierce */
        }
        for ( i = 0; i < 3; i++ )
            mob->armor[i] = interpolate( mob->level, 100, -100 );
        mob->armor[3] = interpolate( mob->level, 100, 0 );
        mob->race = pMobIndex->race;
        mob->off_flags = pMobIndex->off_flags;
        mob->imm_flags = pMobIndex->imm_flags;
        mob->res_flags = pMobIndex->res_flags;
        mob->vuln_flags = pMobIndex->vuln_flags;
        mob->start_pos = pMobIndex->start_pos;
        mob->default_pos = pMobIndex->default_pos;
        mob->sex = pMobIndex->sex;
        mob->form = pMobIndex->form;
        mob->parts = pMobIndex->parts;
        mob->size = SIZE_MEDIUM;
        mob->material = str_dup( "" );                 /* This should be ok as a shared
                                                        * string */

        for ( i = 0; i < MAX_STATS; i++ )
            mob->perm_stat[i] = 11 + mob->level / 4;
    }

    mob->position = mob->start_pos;

    /*
     * link the mob to the world list 
     */
    mob->next = char_list;
    char_list = mob;
    pMobIndex->count++;
    return mob;
}

/* duplicate a mobile exactly -- except inventory */
void clone_mobile( CHAR_DATA *parent, CHAR_DATA *clone )
{
    int                     i;
    AFFECT_DATA            *paf;

    if ( parent == NULL || clone == NULL || !IS_NPC( parent ) )
        return;

    /*
     * start fixing values 
     */
    clone->name = str_dup( parent->name );
    clone->version = parent->version;
    clone->short_descr = str_dup( parent->short_descr );
    clone->long_descr = str_dup( parent->long_descr );
    clone->description = str_dup( parent->description );
    clone->group = parent->group;
    clone->sex = parent->sex;
    clone->iclass = parent->iclass;
    clone->race = parent->race;
    clone->level = parent->level;
    clone->trust = 0;
    clone->timer = parent->timer;
    clone->wait = parent->wait;
    clone->hit = parent->hit;
    clone->max_hit = parent->max_hit;
    clone->mana = parent->mana;
    clone->max_mana = parent->max_mana;
    clone->move = parent->move;
    clone->max_move = parent->max_move;
    clone->gold = parent->gold;
    clone->silver = parent->silver;
    clone->exp = parent->exp;
    clone->act = parent->act;
    clone->comm = parent->comm;
    clone->imm_flags = parent->imm_flags;
    clone->res_flags = parent->res_flags;
    clone->vuln_flags = parent->vuln_flags;
    clone->invis_level = parent->invis_level;
    clone->affected_by = parent->affected_by;
    clone->position = parent->position;
    clone->practice = parent->practice;
    clone->train = parent->train;
    clone->saving_throw = parent->saving_throw;
    clone->alignment = parent->alignment;
    clone->hitroll = parent->hitroll;
    clone->damroll = parent->damroll;
    clone->wimpy = parent->wimpy;
    clone->form = parent->form;
    clone->parts = parent->parts;
    clone->size = parent->size;
    clone->material = str_dup( parent->material );
    clone->off_flags = parent->off_flags;
    clone->dam_type = parent->dam_type;
    clone->start_pos = parent->start_pos;
    clone->default_pos = parent->default_pos;
    clone->spec_fun = parent->spec_fun;

    for ( i = 0; i < 4; i++ )
        clone->armor[i] = parent->armor[i];

    for ( i = 0; i < MAX_STATS; i++ )
    {
        clone->perm_stat[i] = parent->perm_stat[i];
        clone->mod_stat[i] = parent->mod_stat[i];
    }

    for ( i = 0; i < 3; i++ )
        clone->damage[i] = parent->damage[i];

    /*
     * now add the affects 
     */
    for ( paf = parent->affected; paf != NULL; paf = paf->next )
        affect_to_char( clone, paf );

}

/*
 * Create an instance of an object.
 */
OBJ_DATA               *create_object( OBJ_INDEX_DATA *pObjIndex, int level )
{
    AFFECT_DATA            *paf;
    OBJ_DATA               *obj;

    if ( pObjIndex == NULL )
    {
        proper_exit( 1, "Create_object: NULL pObjIndex." );
    }

    obj = new_obj(  );

    obj->pIndexData = pObjIndex;
    obj->in_room = NULL;
    obj->enchanted = FALSE;

    if ( pObjIndex->new_format )
        obj->level = pObjIndex->level;
    else
        obj->level = UMAX( 0, level );
    obj->wear_loc = -1;

    obj->name = pObjIndex->name;
    obj->short_descr = pObjIndex->short_descr;
    obj->description = pObjIndex->description;
    obj->material = str_dup( pObjIndex->material );
    obj->item_type = pObjIndex->item_type;
    obj->extra_flags = pObjIndex->extra_flags;
    obj->wear_flags = pObjIndex->wear_flags;
    obj->value[0] = pObjIndex->value[0];
    obj->value[1] = pObjIndex->value[1];
    obj->value[2] = pObjIndex->value[2];
    obj->value[3] = pObjIndex->value[3];
    obj->value[4] = pObjIndex->value[4];
    obj->weight = pObjIndex->weight;

    if ( level == -1 || pObjIndex->new_format )
        obj->cost = pObjIndex->cost;
    else
        obj->cost = number_fuzzy( 10 ) * number_fuzzy( level ) * number_fuzzy( level );

    /*
     * Mess with object properties.
     */
    switch ( obj->item_type )
    {
        default:
            bug( "Read_object: vnum %d bad type.", pObjIndex->vnum );
            break;

        case ITEM_LIGHT:
            if ( obj->value[2] == 999 )
                obj->value[2] = -1;
            break;

        case ITEM_FURNITURE:
        case ITEM_TRASH:
        case ITEM_CONTAINER:
        case ITEM_DRINK_CON:
        case ITEM_KEY:
        case ITEM_FOOD:
        case ITEM_BOAT:
        case ITEM_CORPSE_NPC:
        case ITEM_CORPSE_PC:
        case ITEM_FOUNTAIN:
        case ITEM_MAP:
        case ITEM_CLOTHING:
        case ITEM_PORTAL:
            if ( !pObjIndex->new_format )
                obj->cost /= 5;
            break;

        case ITEM_TREASURE:
        case ITEM_WARP_STONE:
        case ITEM_ROOM_KEY:
        case ITEM_GEM:
        case ITEM_JEWELRY:
            break;

        case ITEM_SCROLL:
            if ( level != -1 && !pObjIndex->new_format )
                obj->value[0] = number_fuzzy( obj->value[0] );
            break;

        case ITEM_WAND:
        case ITEM_STAFF:
            if ( level != -1 && !pObjIndex->new_format )
            {
                obj->value[0] = number_fuzzy( obj->value[0] );
                obj->value[1] = number_fuzzy( obj->value[1] );
                obj->value[2] = obj->value[1];
            }
            if ( !pObjIndex->new_format )
                obj->cost *= 2;
            break;

        case ITEM_WEAPON:
            if ( level != -1 && !pObjIndex->new_format )
            {
                obj->value[1] = number_fuzzy( number_fuzzy( 1 * level / 4 + 2 ) );
                obj->value[2] = number_fuzzy( number_fuzzy( 3 * level / 4 + 6 ) );
            }
            break;

        case ITEM_ARMOR:
            if ( level != -1 && !pObjIndex->new_format )
            {
                obj->value[0] = number_fuzzy( level / 5 + 3 );
                obj->value[1] = number_fuzzy( level / 5 + 3 );
                obj->value[2] = number_fuzzy( level / 5 + 3 );
            }
            break;

        case ITEM_POTION:
        case ITEM_PILL:
            if ( level != -1 && !pObjIndex->new_format )
                obj->value[0] = number_fuzzy( number_fuzzy( obj->value[0] ) );
            break;

        case ITEM_MONEY:
            if ( !pObjIndex->new_format )
                obj->value[0] = obj->cost;
            break;
    }

    for ( paf = pObjIndex->affected; paf != NULL; paf = paf->next )
        if ( paf->location == APPLY_SPELL_AFFECT )
            affect_to_obj( obj, paf );

    obj->next = object_list;
    object_list = obj;
    pObjIndex->count++;

    return obj;
}

/* duplicate an object exactly -- except contents */
void clone_object( OBJ_DATA *parent, OBJ_DATA *clone )
{
    int                     i;
    AFFECT_DATA            *paf;
    EXTRA_DESCR_DATA       *ed,
                           *ed_new;

    if ( parent == NULL || clone == NULL )
        return;

    /*
     * start fixing the object 
     */
    clone->name = str_dup( parent->name );
    clone->short_descr = str_dup( parent->short_descr );
    clone->description = str_dup( parent->description );
    clone->item_type = parent->item_type;
    clone->extra_flags = parent->extra_flags;
    clone->wear_flags = parent->wear_flags;
    clone->weight = parent->weight;
    clone->cost = parent->cost;
    clone->level = parent->level;
    clone->condition = parent->condition;
    clone->material = str_dup( parent->material );
    clone->timer = parent->timer;

    for ( i = 0; i < 5; i++ )
        clone->value[i] = parent->value[i];

    /*
     * affects 
     */
    clone->enchanted = parent->enchanted;

    for ( paf = parent->affected; paf != NULL; paf = paf->next )
        affect_to_obj( clone, paf );

    /*
     * extended desc 
     */
    for ( ed = parent->extra_descr; ed != NULL; ed = ed->next )
    {
        ed_new = new_extra_descr(  );
        ed_new->keyword = str_dup( ed->keyword );
        ed_new->description = str_dup( ed->description );
        ed_new->next = clone->extra_descr;
        clone->extra_descr = ed_new;
    }

}

/*
 * Clear a new character.
 */
void clear_char( CHAR_DATA *ch )
{
    static CHAR_DATA        ch_zero;
    int                     i;

    *ch = ch_zero;
    ch->name = &str_empty[0];
    ch->short_descr = &str_empty[0];
    ch->long_descr = &str_empty[0];
    ch->description = &str_empty[0];
    ch->prompt = &str_empty[0];
    ch->logon = current_time;
    ch->lines = PAGELEN;
    for ( i = 0; i < 4; i++ )
        ch->armor[i] = 100;
    ch->position = POS_STANDING;
    ch->hit = 20;
    ch->max_hit = 20;
    ch->mana = 100;
    ch->max_mana = 100;
    ch->move = 100;
    ch->max_move = 100;
    ch->on = NULL;
    for ( i = 0; i < MAX_STATS; i++ )
    {
        ch->perm_stat[i] = 13;
        ch->mod_stat[i] = 0;
    }
    return;
}

/*
 * Get an extra description from a list.
 */
char                   *get_extra_descr( char *name, EXTRA_DESCR_DATA *ed )
{
    for ( ; ed != NULL; ed = ed->next )
    {
        if ( is_name( name, ed->keyword ) )
            return ed->description;
    }
    return NULL;
}

/*
 * Translates mob virtual number to its mob index struct.
 * Hash table lookup.
 */
MOB_INDEX_DATA         *get_mob_index( int vnum )
{
    MOB_INDEX_DATA         *pMobIndex;

    for ( pMobIndex = mob_index_hash[vnum % MAX_KEY_HASH];
          pMobIndex != NULL; pMobIndex = pMobIndex->next )
    {
        if ( pMobIndex->vnum == vnum )
            return pMobIndex;
    }

    if ( fBootDb )
    {
        proper_exit( 1, "Get_mob_index: bad vnum %d.", vnum );
    }

    return NULL;
}

/*
 * Translates mob virtual number to its obj index struct.
 * Hash table lookup.
 */
OBJ_INDEX_DATA         *get_obj_index( int vnum )
{
    OBJ_INDEX_DATA         *pObjIndex;

    for ( pObjIndex = obj_index_hash[vnum % MAX_KEY_HASH];
          pObjIndex != NULL; pObjIndex = pObjIndex->next )
    {
        if ( pObjIndex->vnum == vnum )
            return pObjIndex;
    }

    if ( fBootDb )
    {
        proper_exit( 1, "Get_obj_index: bad vnum %d.", vnum );
    }

    return NULL;
}

/*
 * Translates mob virtual number to its room index struct.
 * Hash table lookup.
 */
ROOM_INDEX_DATA        *get_room_index( int vnum )
{
    ROOM_INDEX_DATA        *pRoomIndex;

    for ( pRoomIndex = room_index_hash[vnum % MAX_KEY_HASH];
          pRoomIndex != NULL; pRoomIndex = pRoomIndex->next )
    {
        if ( pRoomIndex->vnum == vnum )
            return pRoomIndex;
    }

    if ( fBootDb )
    {
        proper_exit( 1, "Get_room_index: bad vnum %d.", vnum );
    }

    return NULL;
}

/*
 * Read a letter from a file.
 */
char fread_letter( FILE * fp )
{
    char                    c;

    do
    {
        c = getc( fp );
    }
    while ( isspace( c ) );

    return c;
}

/*
 * Read a number from a file.
 */
int fread_number( FILE * fp )
{
    int                     number;
    bool                    sign;
    char                    c;

    do
    {
        c = getc( fp );
    }
    while ( isspace( c ) );

    number = 0;

    sign = FALSE;
    if ( c == '+' )
    {
        c = getc( fp );
    }
    else if ( c == '-' )
    {
        sign = TRUE;
        c = getc( fp );
    }

    if ( !isdigit( c ) )
    {
        proper_exit( 1, "Fread_number: bad format." );
    }

    while ( isdigit( c ) )
    {
        number = number * 10 + c - '0';
        c = getc( fp );
    }

    if ( sign )
        number = 0 - number;

    if ( c == '|' )
        number += fread_number( fp );
    else if ( c != ' ' )
        ungetc( c, fp );

    return number;
}

int fread_flag( FILE * fp )
{
    int                     number;
    char                    c;
    bool                    negative = FALSE;

    do
    {
        c = getc( fp );
    }
    while ( isspace( c ) );

    if ( c == '-' )
    {
        negative = TRUE;
        c = getc( fp );
    }

    number = 0;

    if ( !isdigit( c ) )
    {
        while ( ( 'A' <= c && c <= 'Z' ) || ( 'a' <= c && c <= 'z' ) )
        {
            number += flag_convert( c );
            c = getc( fp );
        }
    }

    while ( isdigit( c ) )
    {
        number = number * 10 + c - '0';
        c = getc( fp );
    }

    if ( c == '|' )
        number += fread_flag( fp );

    else if ( c != ' ' )
        ungetc( c, fp );

    if ( negative )
        return -1 * number;

    return number;
}

int flag_convert( char letter )
{
    int                     bitsum = 0;
    char                    i;

    if ( 'A' <= letter && letter <= 'Z' )
    {
        bitsum = 1;
        for ( i = letter; i > 'A'; i-- )
            bitsum *= 2;
    }
    else if ( 'a' <= letter && letter <= 'z' )
    {
        bitsum = 67108864;                             /* 2^26 */
        for ( i = letter; i > 'a'; i-- )
            bitsum *= 2;
    }

    return bitsum;
}

/*
 * Read and allocate space for a string from a file.
 * These strings are read-only and shared.
 * Strings are hashed:
 *   each string prepended with hash pointer to prev string,
 *   hash code is simply the string length.
 *   this function takes 40% to 50% of boot-up time.
 */
char                   *fread_string( FILE * fp )
{
    char                   *plast;
    char                    c;

    plast = top_string + sizeof( char * );
    if ( plast > &string_space[MAX_STRING - MAX_STRING_LENGTH] )
    {
        proper_exit( 1, "Fread_string: MAX_STRING %d exceeded.", MAX_STRING );
    }

    /*
     * Skip blanks.
     * Read first char.
     */
    do
    {
        c = getc( fp );
    }
    while ( isspace( c ) );

    if ( ( *plast++ = c ) == '~' )
        return &str_empty[0];

    for ( ;; )
    {
        /*
         * Back off the char type lookup,
         *   it was too dirty for portability.
         *   -- Furey
         */

        switch ( *plast = getc( fp ) )
        {
            default:
                plast++;
                break;

            case EOF:
                /*
                 * temp fix 
                 */
                bug( "Fread_string: EOF", 0 );
                return NULL;
                /*
                 * exit( 1 ); 
                 */
                break;

            case '\n':
                plast++;
                *plast++ = '\r';
                break;

            case '\r':
                break;

            case '~':
                plast++;
                {
                    union
                    {
                        char                   *pc;
                        char                    rgc[sizeof( char * )];
                    } u1;
                    size_t                  ic;
                    int                     iHash;
                    char                   *pHash;
                    char                   *pHashPrev;
                    char                   *pString;

                    plast[-1] = '\0';
                    iHash = UMIN( MAX_KEY_HASH - 1, plast - 1 - top_string );
                    for ( pHash = string_hash[iHash]; pHash; pHash = pHashPrev )
                    {
                        for ( ic = 0; ic < sizeof( char * ); ic++ )
                            u1.rgc[ic] = pHash[ic];
                        pHashPrev = u1.pc;
                        pHash += sizeof( char * );

                        if ( top_string[sizeof( char * )] == pHash[0]
                             && !strcmp( top_string + sizeof( char * ) + 1, pHash + 1 ) )
                            return pHash;
                    }

                    if ( fBootDb )
                    {
                        pString = top_string;
                        top_string = plast;
                        u1.pc = string_hash[iHash];
                        for ( ic = 0; ic < sizeof( char * ); ic++ )
                            pString[ic] = u1.rgc[ic];
                        string_hash[iHash] = pString;

                        nAllocString += 1;
                        sAllocString += top_string - pString;
                        return pString + sizeof( char * );
                    }
                    else
                    {
                        return str_dup( top_string + sizeof( char * ) );
                    }
                }
        }
    }
}

char                   *fread_string_eol( FILE * fp )
{
    static bool             char_special[256 - EOF];
    char                   *plast;
    char                    c;

    if ( char_special[EOF - EOF] != TRUE )
    {
        char_special[EOF - EOF] = TRUE;
        char_special['\n' - EOF] = TRUE;
        char_special['\r' - EOF] = TRUE;
    }

    plast = top_string + sizeof( char * );
    if ( plast > &string_space[MAX_STRING - MAX_STRING_LENGTH] )
    {
        proper_exit( 1, "Fread_string: MAX_STRING %d exceeded.", MAX_STRING );
    }

    /*
     * Skip blanks.
     * Read first char.
     */
    do
    {
        c = getc( fp );
    }
    while ( isspace( c ) );

    if ( ( *plast++ = c ) == '\n' )
        return &str_empty[0];

    for ( ;; )
    {
        if ( !char_special[( *plast++ = getc( fp ) ) - EOF] )
            continue;

        switch ( plast[-1] )
        {
            default:
                break;

            case EOF:
                /*
                 * temp fix 
                 */
                bug( "Fread_string_eol  EOF", 0 );
                return NULL;
                /*
                 * exit( 1 ); 
                 */
                break;

            case '\n':
            case '\r':
                {
                    union
                    {
                        char                   *pc;
                        char                    rgc[sizeof( char * )];
                    } u1;
                    size_t                  ic;
                    int                     iHash;
                    char                   *pHash;
                    char                   *pHashPrev;
                    char                   *pString;

                    plast[-1] = '\0';
                    iHash = UMIN( MAX_KEY_HASH - 1, plast - 1 - top_string );
                    for ( pHash = string_hash[iHash]; pHash; pHash = pHashPrev )
                    {
                        for ( ic = 0; ic < sizeof( char * ); ic++ )
                            u1.rgc[ic] = pHash[ic];
                        pHashPrev = u1.pc;
                        pHash += sizeof( char * );

                        if ( top_string[sizeof( char * )] == pHash[0]
                             && !strcmp( top_string + sizeof( char * ) + 1, pHash + 1 ) )
                            return pHash;
                    }

                    if ( fBootDb )
                    {
                        pString = top_string;
                        top_string = plast;
                        u1.pc = string_hash[iHash];
                        for ( ic = 0; ic < sizeof( char * ); ic++ )
                            pString[ic] = u1.rgc[ic];
                        string_hash[iHash] = pString;

                        nAllocString += 1;
                        sAllocString += top_string - pString;
                        return pString + sizeof( char * );
                    }
                    else
                    {
                        return str_dup( top_string + sizeof( char * ) );
                    }
                }
        }
    }
}

/*
 * Read to end of line (for comments).
 */
void fread_to_eol( FILE * fp )
{
    char                    c;

    do
    {
        c = getc( fp );
    }
    while ( c != '\n' && c != '\r' );

    do
    {
        c = getc( fp );
    }
    while ( c == '\n' || c == '\r' );

    ungetc( c, fp );
    return;
}

/*
 * Read one word (into static buffer).
 */
char                   *fread_word( FILE * fp )
{
    static char             word[MAX_INPUT_LENGTH];
    char                   *pword;
    char                    cEnd;

    do
    {
        cEnd = getc( fp );
    }
    while ( isspace( cEnd ) );

    if ( cEnd == '\'' || cEnd == '"' )
    {
        pword = word;
    }
    else
    {
        word[0] = cEnd;
        pword = word + 1;
        cEnd = ' ';
    }

    for ( ; pword < word + MAX_INPUT_LENGTH; pword++ )
    {
        *pword = getc( fp );
        if ( cEnd == ' ' ? isspace( *pword ) : *pword == cEnd )
        {
            if ( cEnd == ' ' )
                ungetc( *pword, fp );
            *pword = '\0';
            return word;
        }
    }

    proper_exit( 1, "Fread_word: word too long." );
    return NULL;
}

void                   *alloc_mem( size_t sMem )
{
    void                   *pMem;
    size_t                 *magic;
    int                     iList;

    sMem += sizeof( *magic );

    for ( iList = 0; iList < MAX_MEM_LIST; iList++ )
    {
        if ( sMem <= rgSizeList[iList] )
            break;
    }

    if ( iList == MAX_MEM_LIST )
    {
        proper_exit( 1, "Alloc_mem: size %zd too large.", sMem );
    }

    if ( rgFreeList[iList] == NULL )
    {
        pMem = alloc_perm( rgSizeList[iList] );
    }
    else
    {
        pMem = rgFreeList[iList];
        rgFreeList[iList] = *( ( void ** ) rgFreeList[iList] );
    }

    magic = ( size_t * ) pMem;
    *magic = MAGIC_NUM;
    pMem = ( void * ) ( ( size_t ) pMem + ( size_t ) ( sizeof( *magic ) ) );

    return pMem;
}

/*
 * Free some memory.
 * Recycle it back onto the free list for blocks of that size.
 */
void free_mem( void *pMem, size_t sMem )
{
    int                     iList;
    size_t                 *magic;

    pMem = ( void * ) ( ( size_t ) pMem - ( size_t ) sizeof( *magic ) );
    magic = ( size_t * ) pMem;

    if ( *magic != MAGIC_NUM )
    {
        bug( "Attempt to recyle invalid memory of size %zd.", sMem );
        bug( ( char * ) pMem + sizeof( *magic ), 0 );
        return;
    }

    *magic = 0;
    sMem += sizeof( *magic );

    for ( iList = 0; iList < MAX_MEM_LIST; iList++ )
    {
        if ( sMem <= rgSizeList[iList] )
            break;
    }

    if ( iList == MAX_MEM_LIST )
    {
        proper_exit( 1, "Free_mem: size %zd too large.", sMem );
    }

    *( ( void ** ) pMem ) = rgFreeList[iList];
    rgFreeList[iList] = pMem;

    return;
}

/*
 * Allocate some permanent memory.
 * Permanent memory is never freed,
 *   pointers into it may be copied safely.
 */
void                   *alloc_perm( size_t sMem )
{
    static char            *pMemPerm;
    static size_t           iMemPerm;
    void                   *pMem;

    while ( sMem % sizeof( int ) != 0 )
        sMem++;
    if ( sMem > MAX_PERM_BLOCK )
    {
        proper_exit( 1, "Alloc_perm: %zd too large.", sMem );
    }

    if ( pMemPerm == NULL || iMemPerm + sMem > MAX_PERM_BLOCK )
    {
        iMemPerm = 0;
        if ( ( pMemPerm = ( char * ) calloc( 1, MAX_PERM_BLOCK ) ) == NULL )
        {
            char                   *e = strerror( errno );

            proper_exit( 1, "Alloc_perm: %s\n", e );
        }
    }

    pMem = pMemPerm + iMemPerm;
    iMemPerm += sMem;
    nAllocPerm += 1;
    sAllocPerm += sMem;
    return pMem;
}

/*
 * Duplicate a string into dynamic memory.
 * Fread_strings are read-only and shared.
 */
char                   *str_dup( const char *str )
{
    char                   *str_new;

    if ( str[0] == '\0' )
        return &str_empty[0];

    if ( str >= string_space && str < top_string )
    {
        /*
         * return str; 
         */
        return ( char * ) ( size_t ) str;
        /*
         * I can't believe I just did that cast... EVIL! 
         */
    }

    str_new = ( char * ) alloc_mem( strlen( str ) + 1 );
    strcpy( str_new, str );
    return str_new;
}

/*
 * Free a string.
 * Null is legal here to simplify callers.
 * Read-only shared strings are not touched.
 */
void free_string( char *pstr )
{
    if ( pstr == NULL
         || pstr == &str_empty[0] || ( pstr >= string_space && pstr < top_string ) )
        return;

    free_mem( pstr, strlen( pstr ) + 1 );
    return;
}

void do_areas( CHAR_DATA *ch, const char *argument )
{
    char                    buf[MAX_STRING_LENGTH];
    AREA_DATA              *pArea1;
    AREA_DATA              *pArea2;
    int                     iArea;
    int                     iAreaHalf;

    if ( argument[0] != '\0' )
    {
        send_to_char( "No argument is used with this command.\n\r", ch );
        return;
    }

    iAreaHalf = ( top_area + 1 ) / 2;
    pArea1 = area_first;
    pArea2 = area_first;
    for ( iArea = 0; iArea < iAreaHalf; iArea++ )
        pArea2 = pArea2->next;

    for ( iArea = 0; iArea < iAreaHalf; iArea++ )
    {
        sprintf( buf, "%-39s%-39s\n\r",
                 pArea1->credits, ( pArea2 != NULL ) ? pArea2->credits : "" );
        send_to_char( buf, ch );
        pArea1 = pArea1->next;
        if ( pArea2 != NULL )
            pArea2 = pArea2->next;
    }

    return;
}

void do_memory( CHAR_DATA *ch, const char *argument )
{
    char                    buf[MAX_STRING_LENGTH];

    sprintf( buf, "Affects %5d\n\r", top_affect );
    send_to_char( buf, ch );
    sprintf( buf, "Areas   %5d\n\r", top_area );
    send_to_char( buf, ch );
    sprintf( buf, "ExDes   %5d\n\r", top_ed );
    send_to_char( buf, ch );
    sprintf( buf, "Exits   %5d\n\r", top_exit );
    send_to_char( buf, ch );
    sprintf( buf, "Helps   %5d\n\r", top_help );
    send_to_char( buf, ch );
    sprintf( buf, "Socials %5d\n\r", social_count );
    send_to_char( buf, ch );
    sprintf( buf, "Mobs    %5d(%d new format)\n\r", top_mob_index, newmobs );
    send_to_char( buf, ch );
    sprintf( buf, "(in use)%5d\n\r", mobile_count );
    send_to_char( buf, ch );
    sprintf( buf, "Objs    %5d(%d new format)\n\r", top_obj_index, newobjs );
    send_to_char( buf, ch );
    sprintf( buf, "Resets  %5d\n\r", top_reset );
    send_to_char( buf, ch );
    sprintf( buf, "Rooms   %5d\n\r", top_room );
    send_to_char( buf, ch );
    sprintf( buf, "Shops   %5d\n\r", top_shop );
    send_to_char( buf, ch );

    sprintf( buf, "Strings %5d strings of %7zd bytes (max %d).\n\r",
             nAllocString, sAllocString, MAX_STRING );
    send_to_char( buf, ch );

    sprintf( buf, "Perms   %5d blocks  of %7zd bytes.\n\r", nAllocPerm, sAllocPerm );
    send_to_char( buf, ch );

    return;
}

void do_dump( CHAR_DATA *ch, const char *argument )
{
    int                     count,
                            count2,
                            num_pcs,
                            aff_count;
    CHAR_DATA              *fch;
    MOB_INDEX_DATA         *pMobIndex;
    PC_DATA                *pc;
    OBJ_DATA               *obj;
    OBJ_INDEX_DATA         *pObjIndex;
    ROOM_INDEX_DATA        *room;
    EXIT_DATA              *pExit;
    DESCRIPTOR_DATA        *d;
    AFFECT_DATA            *af;
    FILE                   *fp;
    int                     vnum,
                            nMatch = 0;

    /*
     * open file 
     */
    fp = fopen( "mem.dmp", "w" );

    /*
     * report use of data structures 
     */

    num_pcs = 0;
    aff_count = 0;

    /*
     * mobile prototypes 
     */
    fprintf( fp, "MobProt        %4d (%8zd bytes)\n",
             top_mob_index, top_mob_index * ( sizeof( *pMobIndex ) ) );

    /*
     * mobs 
     */
    count = 0;
    count2 = 0;
    for ( fch = char_list; fch != NULL; fch = fch->next )
    {
        count++;
        if ( fch->pcdata != NULL )
            num_pcs++;
        for ( af = fch->affected; af != NULL; af = af->next )
            aff_count++;
    }
    for ( fch = char_free; fch != NULL; fch = fch->next )
        count2++;

    fprintf( fp, "Mobs        %4d (%8zd bytes), %2d free (%zd bytes)\n",
             count, count * ( sizeof( *fch ) ), count2, count2 * ( sizeof( *fch ) ) );

    /*
     * pcdata 
     */
    count = 0;
    for ( pc = pcdata_free; pc != NULL; pc = pc->next )
        count++;

    fprintf( fp, "Pcdata        %4d (%8zd bytes), %2d free (%zd bytes)\n",
             num_pcs, num_pcs * ( sizeof( *pc ) ), count, count * ( sizeof( *pc ) ) );

    /*
     * descriptors 
     */
    count = 0;
    count2 = 0;
    for ( d = descriptor_list; d != NULL; d = d->next )
        count++;
    for ( d = descriptor_free; d != NULL; d = d->next )
        count2++;

    fprintf( fp, "Descs        %4d (%8zd bytes), %2d free (%zd bytes)\n",
             count, count * ( sizeof( *d ) ), count2, count2 * ( sizeof( *d ) ) );

    /*
     * object prototypes 
     */
    for ( vnum = 0; nMatch < top_obj_index; vnum++ )
        if ( ( pObjIndex = get_obj_index( vnum ) ) != NULL )
        {
            for ( af = pObjIndex->affected; af != NULL; af = af->next )
                aff_count++;
            nMatch++;
        }

    fprintf( fp, "ObjProt        %4d (%8zd bytes)\n",
             top_obj_index, top_obj_index * ( sizeof( *pObjIndex ) ) );

    /*
     * objects 
     */
    count = 0;
    count2 = 0;
    for ( obj = object_list; obj != NULL; obj = obj->next )
    {
        count++;
        for ( af = obj->affected; af != NULL; af = af->next )
            aff_count++;
    }
    for ( obj = obj_free; obj != NULL; obj = obj->next )
        count2++;

    fprintf( fp, "Objs        %4d (%8zd bytes), %2d free (%zd bytes)\n",
             count, count * ( sizeof( *obj ) ), count2, count2 * ( sizeof( *obj ) ) );

    /*
     * affects 
     */
    count = 0;
    for ( af = affect_free; af != NULL; af = af->next )
        count++;

    fprintf( fp, "Affects        %4d (%8zd bytes), %2d free (%zd bytes)\n",
             aff_count, aff_count * ( sizeof( *af ) ), count, count * ( sizeof( *af ) ) );

    /*
     * rooms 
     */
    fprintf( fp, "Rooms        %4d (%8zd bytes)\n", top_room,
             top_room * ( sizeof( *room ) ) );

    /*
     * exits 
     */
    fprintf( fp, "Exits        %4d (%8zd bytes)\n", top_exit,
             top_exit * ( sizeof( *pExit ) ) );

    fclose( fp );

    /*
     * start printing out mobile data 
     */
    fp = fopen( "mob.dmp", "w" );

    fprintf( fp, "\nMobile Analysis\n" );
    fprintf( fp, "---------------\n" );
    nMatch = 0;
    for ( vnum = 0; nMatch < top_mob_index; vnum++ )
        if ( ( pMobIndex = get_mob_index( vnum ) ) != NULL )
        {
            nMatch++;
            fprintf( fp, "#%-4d %3d active %3d killed     %s\n",
                     pMobIndex->vnum, pMobIndex->count,
                     pMobIndex->killed, pMobIndex->short_descr );
        }
    fclose( fp );

    /*
     * start printing out object data 
     */
    fp = fopen( "obj.dmp", "w" );

    fprintf( fp, "\nObject Analysis\n" );
    fprintf( fp, "---------------\n" );
    nMatch = 0;
    for ( vnum = 0; nMatch < top_obj_index; vnum++ )
        if ( ( pObjIndex = get_obj_index( vnum ) ) != NULL )
        {
            nMatch++;
            fprintf( fp, "#%-4d %3d active %3d reset      %s\n",
                     pObjIndex->vnum, pObjIndex->count,
                     pObjIndex->reset_num, pObjIndex->short_descr );
        }

    /*
     * close file 
     */
    fclose( fp );
}

/*
 * Stick a little fuzz on a number.
 */
int number_fuzzy( int number )
{
    switch ( number_bits( 2 ) )
    {
        case 0:
            number -= 1;
            break;
        case 3:
            number += 1;
            break;
    }

    return UMAX( 1, number );
}

/*
 * Generate a random number.
 */
int number_range( int from, int to )
{
    int                     power;
    int                     number;

    if ( from == 0 && to == 0 )
        return 0;

    if ( ( to = to - from + 1 ) <= 1 )
        return from;

    for ( power = 2; power < to; power <<= 1 )
        ;

    while ( ( number = number_mm(  ) & ( power - 1 ) ) >= to )
        ;

    return from + number;
}

/*
 * Generate a percentile roll.
 */
int number_percent( void )
{
    return number_range( 1, 100 );
}

/*
 * Generate a random door.
 */
int number_door( void )
{
    return number_range( 1, MAX_EXIT ) - 1;
}

int number_bits( int width )
{
    return number_mm(  ) & ( ( 1 << width ) - 1 );
}

/*
 * I've gotten too many bad reports on OS-supplied random number generators.
 * This is the Mitchell-Moore algorithm from Knuth Volume II.
 * Best to leave the constants alone unless you've read Knuth.
 * -- Furey
 */

/* I noticed streaking with this random number generator, so I switched
   back to the system srandom call.  If this doesn't work for you, 
   define OLD_RAND to use the old system -- Alander */

#if defined (OLD_RAND)
static int              rgiState[2 + 55];
#endif

void init_mm(  )
{
#if defined (OLD_RAND)
    int                    *piState;
    int                     iState;

    piState = &rgiState[2];

    piState[-2] = 55 - 55;
    piState[-1] = 55 - 24;

    piState[0] = ( ( int ) current_time ) & ( ( 1 << 30 ) - 1 );
    piState[1] = 1;
    for ( iState = 2; iState < 55; iState++ )
    {
        piState[iState] = ( piState[iState - 1] + piState[iState - 2] )
            & ( ( 1 << 30 ) - 1 );
    }
#else
    srandom( time( NULL ) ^ getpid(  ) );
#endif
    return;
}

int number_mm( void )
{
#if defined (OLD_RAND)
    int                    *piState;
    int                     iState1;
    int                     iState2;
    int                     iRand;

    piState = &rgiState[2];
    iState1 = piState[-2];
    iState2 = piState[-1];
    iRand = ( piState[iState1] + piState[iState2] ) & ( ( 1 << 30 ) - 1 );
    piState[iState1] = iRand;
    if ( ++iState1 == 55 )
        iState1 = 0;
    if ( ++iState2 == 55 )
        iState2 = 0;
    piState[-2] = iState1;
    piState[-1] = iState2;
    return iRand >> 6;
#else
    return random(  ) >> 6;
#endif
}

/*
 * Roll some dice.
 */
int dice( int number, int size )
{
    int                     idice;
    int                     sum;

    switch ( size )
    {
        case 0:
            return 0;
        case 1:
            return number;
    }

    for ( idice = 0, sum = 0; idice < number; idice++ )
        sum += number_range( 1, size );

    return sum;
}

/*
 * Simple linear interpolation.
 */
int interpolate( int level, int value_00, int value_32 )
{
    return value_00 + level * ( value_32 - value_00 ) / 32;
}

/*
 * Removes the tildes from a string.
 * Used for player-entered strings that go into disk files.
 */
void smash_tilde( char *str )
{
    for ( ; *str != '\0'; str++ )
    {
        if ( *str == '~' )
            *str = '-';
    }

    return;
}

/*
 * Compare strings, case insensitive.
 * Return TRUE if different
 *   (compatibility with historical functions).
 */
bool str_cmp( const char *astr, const char *bstr )
{
    if ( astr == NULL )
    {
        bug( "Str_cmp: null astr.", 0 );
        return TRUE;
    }

    if ( bstr == NULL )
    {
        bug( "Str_cmp: null bstr.", 0 );
        return TRUE;
    }

    for ( ; *astr || *bstr; astr++, bstr++ )
    {
        if ( LOWER( *astr ) != LOWER( *bstr ) )
            return TRUE;
    }

    return FALSE;
}

/*
 * Compare strings, case insensitive, for prefix matching.
 * Return TRUE if astr not a prefix of bstr
 *   (compatibility with historical functions).
 */
bool str_prefix( const char *astr, const char *bstr )
{
    if ( astr == NULL )
    {
        bug( "Strn_cmp: null astr.", 0 );
        return TRUE;
    }

    if ( bstr == NULL )
    {
        bug( "Strn_cmp: null bstr.", 0 );
        return TRUE;
    }

    for ( ; *astr; astr++, bstr++ )
    {
        if ( LOWER( *astr ) != LOWER( *bstr ) )
            return TRUE;
    }

    return FALSE;
}

/*
 * Compare strings, case insensitive, for match anywhere.
 * Returns TRUE is astr not part of bstr.
 *   (compatibility with historical functions).
 */
bool str_infix( const char *astr, const char *bstr )
{
    int                     sstr1;
    int                     sstr2;
    int                     ichar;
    char                    c0;

    if ( ( c0 = LOWER( astr[0] ) ) == '\0' )
        return FALSE;

    sstr1 = strlen( astr );
    sstr2 = strlen( bstr );

    for ( ichar = 0; ichar <= sstr2 - sstr1; ichar++ )
    {
        if ( c0 == LOWER( bstr[ichar] ) && !str_prefix( astr, bstr + ichar ) )
            return FALSE;
    }

    return TRUE;
}

/*
 * Compare strings, case insensitive, for suffix matching.
 * Return TRUE if astr not a suffix of bstr
 *   (compatibility with historical functions).
 */
bool str_suffix( const char *astr, const char *bstr )
{
    int                     sstr1;
    int                     sstr2;

    sstr1 = strlen( astr );
    sstr2 = strlen( bstr );
    if ( sstr1 <= sstr2 && !str_cmp( astr, bstr + sstr2 - sstr1 ) )
        return FALSE;
    else
        return TRUE;
}

/*
 * Returns an initial-capped string.
 */
char                   *capitalize( const char *str )
{
    static char             strcap[MAX_STRING_LENGTH];
    int                     i;

    for ( i = 0; str[i] != '\0'; i++ )
        strcap[i] = LOWER( str[i] );
    strcap[i] = '\0';
    strcap[0] = UPPER( strcap[0] );
    return strcap;
}

/*
 * Append a string to a file.
 */
void append_file( CHAR_DATA *ch, const char *file, const char *str )
{
    FILE                   *fp;

    if ( !str || !*str )
        return;

    if ( ch && IS_NPC( ch ) )
        return;

    if ( ( fp = fopen( file, "a" ) ) == NULL )
    {
        perror( file );
        if ( ch )
            send_to_char( "Could not open the file!\n\r", ch );
    }
    else
    {
        if ( ch )
            fprintf( fp, "[%5d] %s: %s\n",
                     ch->in_room ? ch->in_room->vnum : 0, ch->name, str );
        else
            fprintf( fp, "[    0] SYSTEM: %s\n", str );
        fclose( fp );
    }

    return;
}

/*
 * Reports a bug.
 */
void bug( const char *str, int param )
{
    char                    buf[MAX_STRING_LENGTH];

    if ( fpArea != NULL )
    {
        int                     iLine;
        int                     iChar;

        if ( fpArea == stdin )
        {
            iLine = 0;
        }
        else
        {
            iChar = ftell( fpArea );
            fseek( fpArea, 0, 0 );
            for ( iLine = 0; ftell( fpArea ) < iChar; iLine++ )
            {
                while ( getc( fpArea ) != '\n' )
                    ;
            }
            fseek( fpArea, iChar, 0 );
        }

        sprintf( buf, "[*****] FILE: %s LINE: %d", strArea, iLine );
        log_string( buf );
/* RT removed because we don't want bugs shutting the mud 
        if ( ( fp = fopen( "shutdown.txt", "a" ) ) != NULL )
        {
            fprintf( fp, "[*****] %s\n", buf );
            fclose( fp );
        }
*/
    }

    strcpy( buf, "[*****] BUG: " );
    sprintf( buf + strlen( buf ), str, param );
    log_string( buf );
/* RT removed due to bug-file spamming 
    if ( ( fp = fopen( BUG_FILE, "a" ) ) != NULL )
    {
        fprintf( fp, "%s\n", buf );
        fclose( fp );
    }
*/

    return;
}

/*
 * Writes a string to the log.
 */
void log_string( const char *str )
{
    char                   *strtime;

    strtime = ctime( &current_time );
    strtime[strlen( strtime ) - 1] = '\0';
    fprintf( stderr, "%s :: %s\n", strtime, str );
    return;
}

/*
 * This function is here to aid in debugging.
 * If the last expression in a function is another function call,
 *   gcc likes to generate a JMP instead of a CALL.
 * This is called "tail chaining."
 * It hoses the debugger call stack for that call.
 * So I make this the last call in certain critical functions,
 *   where I really need the call stack to be right for debugging!
 *
 * If you don't understand this, then LEAVE IT ALONE.
 * Don't remove any calls to tail_chain anywhere.
 *
 * -- Furey
 */
void tail_chain( void )
{
    return;
}

/* snarf a socials file */
void load_socials( FILE * fp )
{
    for ( ;; )
    {
        struct social_type      social;
        char                   *temp;

        /*
         * clear social 
         */
        social.char_no_arg = NULL;
        social.others_no_arg = NULL;
        social.char_found = NULL;
        social.others_found = NULL;
        social.vict_found = NULL;
        social.char_not_found = NULL;
        social.char_auto = NULL;
        social.others_auto = NULL;

        temp = fread_word( fp );
        if ( !strcmp( temp, "#0" ) )
            return;                                    /* done */
#if defined(SOCIAL_DEBUG)
        else
            fprintf( stderr, "%s\n\r", temp );
#endif

        strcpy( social.name, temp );
        fread_to_eol( fp );

        temp = fread_string_eol( fp );
        if ( !strcmp( temp, "$" ) )
            social.char_no_arg = NULL;
        else if ( !strcmp( temp, "#" ) )
        {
            social_table[social_count] = social;
            social_count++;
            continue;
        }
        else
            social.char_no_arg = temp;

        temp = fread_string_eol( fp );
        if ( !strcmp( temp, "$" ) )
            social.others_no_arg = NULL;
        else if ( !strcmp( temp, "#" ) )
        {
            social_table[social_count] = social;
            social_count++;
            continue;
        }
        else
            social.others_no_arg = temp;

        temp = fread_string_eol( fp );
        if ( !strcmp( temp, "$" ) )
            social.char_found = NULL;
        else if ( !strcmp( temp, "#" ) )
        {
            social_table[social_count] = social;
            social_count++;
            continue;
        }
        else
            social.char_found = temp;

        temp = fread_string_eol( fp );
        if ( !strcmp( temp, "$" ) )
            social.others_found = NULL;
        else if ( !strcmp( temp, "#" ) )
        {
            social_table[social_count] = social;
            social_count++;
            continue;
        }
        else
            social.others_found = temp;

        temp = fread_string_eol( fp );
        if ( !strcmp( temp, "$" ) )
            social.vict_found = NULL;
        else if ( !strcmp( temp, "#" ) )
        {
            social_table[social_count] = social;
            social_count++;
            continue;
        }
        else
            social.vict_found = temp;

        temp = fread_string_eol( fp );
        if ( !strcmp( temp, "$" ) )
            social.char_not_found = NULL;
        else if ( !strcmp( temp, "#" ) )
        {
            social_table[social_count] = social;
            social_count++;
            continue;
        }
        else
            social.char_not_found = temp;

        temp = fread_string_eol( fp );
        if ( !strcmp( temp, "$" ) )
            social.char_auto = NULL;
        else if ( !strcmp( temp, "#" ) )
        {
            social_table[social_count] = social;
            social_count++;
            continue;
        }
        else
            social.char_auto = temp;

        temp = fread_string_eol( fp );
        if ( !strcmp( temp, "$" ) )
            social.others_auto = NULL;
        else if ( !strcmp( temp, "#" ) )
        {
            social_table[social_count] = social;
            social_count++;
            continue;
        }
        else
            social.others_auto = temp;

        social_table[social_count] = social;
        social_count++;
    }
    return;
}

/*
 * Snarf a mob section.  new style
 */
void load_mobiles( FILE * fp )
{
    MOB_INDEX_DATA         *pMobIndex;

    for ( ;; )
    {
        int                     vnum;
        char                    letter;
        int                     iHash;

        letter = fread_letter( fp );
        if ( letter != '#' )
        {
            proper_exit( 1, "Load_mobiles: # not found." );
        }

        vnum = fread_number( fp );
        if ( vnum == 0 )
            break;

        fBootDb = FALSE;
        if ( get_mob_index( vnum ) != NULL )
        {
            proper_exit( 1, "Load_mobiles: vnum %d duplicated.", vnum );
        }
        fBootDb = TRUE;

        pMobIndex = ( MOB_INDEX_DATA * ) alloc_perm( sizeof( *pMobIndex ) );
        pMobIndex->vnum = vnum;
        pMobIndex->new_format = TRUE;
        newmobs++;
        pMobIndex->player_name = fread_string( fp );
        pMobIndex->short_descr = fread_string( fp );
        pMobIndex->long_descr = fread_string( fp );
        pMobIndex->description = fread_string( fp );
        pMobIndex->race = race_lookup( fread_string( fp ) );

        pMobIndex->long_descr[0] = UPPER( pMobIndex->long_descr[0] );
        pMobIndex->description[0] = UPPER( pMobIndex->description[0] );

        pMobIndex->act = fread_flag( fp ) | ACT_IS_NPC | race_table[pMobIndex->race].act;
        pMobIndex->affected_by = fread_flag( fp ) | race_table[pMobIndex->race].aff;
        pMobIndex->pShop = NULL;
        pMobIndex->alignment = fread_number( fp );
        pMobIndex->group = fread_number( fp );

        pMobIndex->level = fread_number( fp );
        pMobIndex->hitroll = fread_number( fp );

        /*
         * read hit dice 
         */
        pMobIndex->hit[DICE_NUMBER] = fread_number( fp );
        /*
         * 'd' 
         */ fread_letter( fp );
        pMobIndex->hit[DICE_TYPE] = fread_number( fp );
        /*
         * '+' 
         */ fread_letter( fp );
        pMobIndex->hit[DICE_BONUS] = fread_number( fp );

        /*
         * read mana dice 
         */
        pMobIndex->mana[DICE_NUMBER] = fread_number( fp );
        fread_letter( fp );
        pMobIndex->mana[DICE_TYPE] = fread_number( fp );
        fread_letter( fp );
        pMobIndex->mana[DICE_BONUS] = fread_number( fp );

        /*
         * read damage dice 
         */
        pMobIndex->damage[DICE_NUMBER] = fread_number( fp );
        fread_letter( fp );
        pMobIndex->damage[DICE_TYPE] = fread_number( fp );
        fread_letter( fp );
        pMobIndex->damage[DICE_BONUS] = fread_number( fp );
        pMobIndex->dam_type = attack_lookup( fread_word( fp ) );

        /*
         * read armor class 
         */
        pMobIndex->ac[AC_PIERCE] = fread_number( fp ) * 10;
        pMobIndex->ac[AC_BASH] = fread_number( fp ) * 10;
        pMobIndex->ac[AC_SLASH] = fread_number( fp ) * 10;
        pMobIndex->ac[AC_EXOTIC] = fread_number( fp ) * 10;

        /*
         * read flags and add in data from the race table 
         */
        pMobIndex->off_flags = fread_flag( fp ) | race_table[pMobIndex->race].off;
        pMobIndex->imm_flags = fread_flag( fp ) | race_table[pMobIndex->race].imm;
        pMobIndex->res_flags = fread_flag( fp ) | race_table[pMobIndex->race].res;
        pMobIndex->vuln_flags = fread_flag( fp ) | race_table[pMobIndex->race].vuln;

        /*
         * vital statistics 
         */
        pMobIndex->start_pos = position_lookup( fread_word( fp ) );
        pMobIndex->default_pos = position_lookup( fread_word( fp ) );
        pMobIndex->sex = sex_lookup( fread_word( fp ) );

        pMobIndex->wealth = fread_number( fp );

        pMobIndex->form = fread_flag( fp ) | race_table[pMobIndex->race].form;
        pMobIndex->parts = fread_flag( fp ) | race_table[pMobIndex->race].parts;
        /*
         * size 
         */
        pMobIndex->size = size_lookup( fread_word( fp ) );
        pMobIndex->material = str_dup( fread_word( fp ) );

        for ( ;; )
        {
            letter = fread_letter( fp );

            if ( letter == 'F' )
            {
                char                   *word;
                int                     vector;

                word = fread_word( fp );
                vector = fread_flag( fp );

                if ( !str_prefix( word, "act" ) )
                    REMOVE_BIT( pMobIndex->act, vector );
                else if ( !str_prefix( word, "aff" ) )
                    REMOVE_BIT( pMobIndex->affected_by, vector );
                else if ( !str_prefix( word, "off" ) )
                    REMOVE_BIT( pMobIndex->off_flags, vector );
                else if ( !str_prefix( word, "imm" ) )
                    REMOVE_BIT( pMobIndex->imm_flags, vector );
                else if ( !str_prefix( word, "res" ) )
                    REMOVE_BIT( pMobIndex->res_flags, vector );
                else if ( !str_prefix( word, "vul" ) )
                    REMOVE_BIT( pMobIndex->vuln_flags, vector );
                else if ( !str_prefix( word, "for" ) )
                    REMOVE_BIT( pMobIndex->form, vector );
                else if ( !str_prefix( word, "par" ) )
                    REMOVE_BIT( pMobIndex->parts, vector );
                else
                {
                    proper_exit( 1, "Flag remove: flag not found." );
                }
            }
            else
            {
                ungetc( letter, fp );
                break;
            }
        }

        iHash = vnum % MAX_KEY_HASH;
        pMobIndex->next = mob_index_hash[iHash];
        mob_index_hash[iHash] = pMobIndex;
        top_mob_index++;
        kill_table[URANGE( 0, pMobIndex->level, MAX_LEVEL - 1 )].number++;
    }

    return;
}

/*
 * Snarf an obj section. new style
 */
void load_objects( FILE * fp )
{
    OBJ_INDEX_DATA         *pObjIndex;

    for ( ;; )
    {
        int                     vnum;
        char                    letter;
        int                     iHash;

        letter = fread_letter( fp );
        if ( letter != '#' )
        {
            proper_exit( 1, "Load_objects: # not found." );
        }

        vnum = fread_number( fp );
        if ( vnum == 0 )
            break;

        fBootDb = FALSE;
        if ( get_obj_index( vnum ) != NULL )
        {
            proper_exit( 1, "Load_objects: vnum %d duplicated.", vnum );
        }
        fBootDb = TRUE;

        pObjIndex = ( OBJ_INDEX_DATA * ) alloc_perm( sizeof( *pObjIndex ) );
        pObjIndex->vnum = vnum;
        pObjIndex->new_format = TRUE;
        pObjIndex->reset_num = 0;
        newobjs++;
        pObjIndex->name = fread_string( fp );
        pObjIndex->short_descr = fread_string( fp );
        pObjIndex->description = fread_string( fp );
        pObjIndex->material = fread_string( fp );

        pObjIndex->item_type = item_lookup( fread_word( fp ) );
        pObjIndex->extra_flags = fread_flag( fp );
        pObjIndex->wear_flags = fread_flag( fp );
        switch ( pObjIndex->item_type )
        {
            case ITEM_WEAPON:
                pObjIndex->value[0] = weapon_type_lookup( fread_word( fp ) );
                pObjIndex->value[1] = fread_number( fp );
                pObjIndex->value[2] = fread_number( fp );
                pObjIndex->value[3] = attack_lookup( fread_word( fp ) );
                pObjIndex->value[4] = fread_flag( fp );
                break;
            case ITEM_CONTAINER:
                pObjIndex->value[0] = fread_number( fp );
                pObjIndex->value[1] = fread_flag( fp );
                pObjIndex->value[2] = fread_number( fp );
                pObjIndex->value[3] = fread_number( fp );
                pObjIndex->value[4] = fread_number( fp );
                break;
            case ITEM_DRINK_CON:
            case ITEM_FOUNTAIN:
                pObjIndex->value[0] = fread_number( fp );
                pObjIndex->value[1] = fread_number( fp );
                pObjIndex->value[2] = liq_lookup( fread_word( fp ) );
                pObjIndex->value[3] = fread_number( fp );
                pObjIndex->value[4] = fread_number( fp );
                break;
            case ITEM_WAND:
            case ITEM_STAFF:
                pObjIndex->value[0] = fread_number( fp );
                pObjIndex->value[1] = fread_number( fp );
                pObjIndex->value[2] = fread_number( fp );
                pObjIndex->value[3] = skill_lookup( fread_word( fp ) );
                pObjIndex->value[4] = fread_number( fp );
                break;
            case ITEM_POTION:
            case ITEM_PILL:
            case ITEM_SCROLL:
                pObjIndex->value[0] = fread_number( fp );
                pObjIndex->value[1] = skill_lookup( fread_word( fp ) );
                pObjIndex->value[2] = skill_lookup( fread_word( fp ) );
                pObjIndex->value[3] = skill_lookup( fread_word( fp ) );
                pObjIndex->value[4] = skill_lookup( fread_word( fp ) );
                break;
            default:
                pObjIndex->value[0] = fread_flag( fp );
                pObjIndex->value[1] = fread_flag( fp );
                pObjIndex->value[2] = fread_flag( fp );
                pObjIndex->value[3] = fread_flag( fp );
                pObjIndex->value[4] = fread_flag( fp );
                break;
        }
        pObjIndex->level = fread_number( fp );
        pObjIndex->weight = fread_number( fp );
        pObjIndex->cost = fread_number( fp );

        /*
         * condition 
         */
        letter = fread_letter( fp );
        switch ( letter )
        {
            case ( 'P' ):
                pObjIndex->condition = 100;
                break;
            case ( 'G' ):
                pObjIndex->condition = 90;
                break;
            case ( 'A' ):
                pObjIndex->condition = 75;
                break;
            case ( 'W' ):
                pObjIndex->condition = 50;
                break;
            case ( 'D' ):
                pObjIndex->condition = 25;
                break;
            case ( 'B' ):
                pObjIndex->condition = 10;
                break;
            case ( 'R' ):
                pObjIndex->condition = 0;
                break;
            default:
                pObjIndex->condition = 100;
                break;
        }

        for ( ;; )
        {
            char                    another_letter;

            another_letter = fread_letter( fp );

            if ( another_letter == 'A' )
            {
                AFFECT_DATA            *paf;

                paf = ( AFFECT_DATA * ) alloc_perm( sizeof( *paf ) );
                paf->where = TO_OBJECT;
                paf->type = -1;
                paf->level = pObjIndex->level;
                paf->duration = -1;
                paf->location = fread_number( fp );
                paf->modifier = fread_number( fp );
                paf->bitvector = 0;
                paf->next = pObjIndex->affected;
                pObjIndex->affected = paf;
                top_affect++;
            }

            else if ( another_letter == 'F' )
            {
                AFFECT_DATA            *paf;

                paf = ( AFFECT_DATA * ) alloc_perm( sizeof( *paf ) );
                another_letter = fread_letter( fp );
                switch ( another_letter )
                {
                    case 'A':
                        paf->where = TO_AFFECTS;
                        break;
                    case 'I':
                        paf->where = TO_IMMUNE;
                        break;
                    case 'R':
                        paf->where = TO_RESIST;
                        break;
                    case 'V':
                        paf->where = TO_VULN;
                        break;
                    default:
                        proper_exit( 1, "Load_objects: Bad where on flag set." );
                        break;
                }
                paf->type = -1;
                paf->level = pObjIndex->level;
                paf->duration = -1;
                paf->location = fread_number( fp );
                paf->modifier = fread_number( fp );
                paf->bitvector = fread_flag( fp );
                paf->next = pObjIndex->affected;
                pObjIndex->affected = paf;
                top_affect++;
            }

            else if ( another_letter == 'E' )
            {
                EXTRA_DESCR_DATA       *ed;

                ed = ( EXTRA_DESCR_DATA * ) alloc_perm( sizeof( *ed ) );
                ed->keyword = fread_string( fp );
                ed->description = fread_string( fp );
                ed->next = pObjIndex->extra_descr;
                pObjIndex->extra_descr = ed;
                top_ed++;
            }

            else
            {
                ungetc( another_letter, fp );
                break;
            }
        }

        iHash = vnum % MAX_KEY_HASH;
        pObjIndex->next = obj_index_hash[iHash];
        obj_index_hash[iHash] = pObjIndex;
        top_obj_index++;
    }

    return;
}