db.c

MUD服务器程序

		paf->next		= pObjIndex->affected;
		pObjIndex->affected	= paf;
		top_affect++;
	    }

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

		ed			= 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( letter, fp );
		break;
	    }
	}

	/*
	 * 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] );
	    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 )
    {
	bug( "Load_resets: no #AREA seen yet.", 0 );
	exit( 1 );
    }

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

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

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

	pReset		= 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' || letter == 'C' || letter == 'F')
			    ? 0 : fread_number( fp );
			  fread_to_eol( fp );

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

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

	case 'O':
	    get_obj_index  ( pReset->arg1 );
	    get_room_index ( pReset->arg3 );
	    break;

	case 'P':
	    get_obj_index  ( pReset->arg1 );
	    get_obj_index  ( pReset->arg3 );
	    break;

	case 'G':
	case 'E':
	    get_obj_index  ( pReset->arg1 );
	    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 ) )
	    {
		bug( "Load_resets: 'D': exit %d not door.", pReset->arg2 );
		exit( 1 );
	    }

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

	    break;

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

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

	    break;
   case 'C':
   case 'F':
      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 )
    {
	bug( "Load_resets: no #AREA seen yet.", 0 );
	exit( 1 );
    }

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

	letter				= fread_letter( fp );
	if ( letter != '#' )
	{
	    bug( "Load_rooms: # not found.", 0 );
	    exit( 1 );
	}

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

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

	pRoomIndex			= alloc_perm( sizeof(*pRoomIndex) );
	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_number( fp );
	pRoomIndex->sector_type		= fread_number( fp );
	pRoomIndex->light		= 0;
	for ( door = 0; door <= 5; door++ )
	    pRoomIndex->exit[door] = NULL;

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

	    if ( letter == 'S' )
		break;

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

		door = fread_number( fp );
		if ( door < 0 || door > 5 )
		{
		    bug( "Fread_rooms: vnum %d has bad door number.", vnum );
		    exit( 1 );
		}

		pexit			= 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->vnum		= fread_number( fp );

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

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

		ed			= 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
	    {
		bug( "Load_rooms: vnum %d has flag not 'DES'.", vnum );
		exit( 1 );
	    }
	}

	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			= 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:
	    bug( "Load_specials: letter '%c' not *MS.", letter );
	    exit( 1 );

	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 )
	    {
		bug( "Load_specials: 'M': vnum %d.", pMobIndex->vnum );
		exit( 1 );
	    }
	    break;
	}

	fread_to_eol( fp );
    }
}



/*
 * Snarf notes file.
 */
void load_notes( void )
{
    FILE *fp;
    NOTE_DATA *pnotelast;

    if ( ( fp = fopen( NOTE_FILE, "r" ) ) == NULL )
	return;

    pnotelast = NULL;
    for ( ; ; )
    {
	NOTE_DATA *pnote;
	char letter;

	do
	{
	    letter = getc( fp );
	    if ( feof(fp) )
	    {
		fclose( fp );
		return;
	    }
	}
	while ( isspace(letter) );
	ungetc( letter, fp );

	pnote		  = alloc_perm( sizeof(*pnote) );

	if ( str_cmp( fread_word( fp ), "sender" ) )
	    break;
	pnote->sender	  = fread_string( fp );

	if ( str_cmp( fread_word( fp ), "date" ) )
	    break;
	pnote->date	  = fread_string( fp );

	if ( str_cmp( fread_word( fp ), "stamp" ) )
	    break;
	pnote->date_stamp = fread_number( fp );

	if ( str_cmp( fread_word( fp ), "to" ) )
	    break;
	pnote->to_list	  = fread_string( fp );

	if ( str_cmp( fread_word( fp ), "subject" ) )
	    break;
	pnote->subject	  = fread_string( fp );

	if ( str_cmp( fread_word( fp ), "text" ) )
	    break;
	pnote->text	  = fread_string( fp );

	if ( note_list == NULL )
	    note_list		= pnote;
	else
	    pnotelast->next	= pnote;

	pnotelast	  = pnote;
    }

    strcpy( strArea, NOTE_FILE );
    fpArea = fp;
    bug( "Load_notes: bad key word.", 0 );
    exit( 1 );
    return;
}



/*
 * 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 sh_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 <= 5; door++ )
	    {
		if ( ( pexit = pRoomIndex->exit[door] ) != NULL )
		{
		    fexit = TRUE;
		    if ( pexit->vnum <= 0 )
			pexit->to_room = NULL;
		    else
			pexit->to_room = get_room_index( pexit->vnum );
		}
	    }

	    if ( !fexit )
		SET_BIT( pRoomIndex->room_flags, ROOM_NO_MOB );
	}
    }
#if 0
    for ( iHash = 0; iHash < MAX_KEY_HASH; iHash++ )
    {
	for ( pRoomIndex  = room_index_hash[iHash];
	      pRoomIndex != NULL;
	      pRoomIndex  = pRoomIndex->next )
	{
	    for ( door = 0; door <= 5; door++ )
	    {
		if ( ( pexit     = pRoomIndex->exit[door]       ) != NULL
		&&   ( to_room   = pexit->to_room               ) != NULL
		&&   ( pexit_rev = to_room->exit[rev_dir[door]] ) != NULL
		&&   pexit_rev->to_room != pRoomIndex )
		{
		    sprintf( buf, "Fix_exits: %d:%d -> %d:%d -> %d.",
			pRoomIndex->vnum, door,
			to_room->vnum,    rev_dir[door],
			(pexit_rev->to_room == NULL)
			    ? 0 : pexit_rev->to_room->vnum );
		    bug( buf, 0 );
		}
	    }
	}
    }
#endif
    return;
}



/*
 * Repopulate areas periodically.
 */
void area_update( void )
{
    AREA_DATA *pArea;

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

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

	/*
	 * Check for PC's.
	 */
	if ( pArea->nplayer > 0 && pArea->age == 15 - 1 )
	{
	    for ( pch = char_list; pch != NULL; pch = pch->next )
	    {
		if ( !IS_NPC(pch)
		&&   IS_AWAKE(pch)
		&&   pch->in_room != NULL
		&&   pch->in_room->area == pArea )
		{
		    send_to_char( "You hear the patter of little feet.\n\r",
			pch );
		}
	    }
	}

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

	    reset_area( pArea );
	    pArea->age = number_range( 0, 3 );
	    pRoomIndex = get_room_index( ROOM_VNUM_SCHOOL );
	    if ( pRoomIndex != NULL && pArea == pRoomIndex->area )
		pArea->age = 15 - 3;
	}
    }

    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 )