#include <sys/types.h>
#include <cctype>
#include <cstdio>
#include <cstring>
#include <cstdlib>
#include "merc.h"
#include "room_cmds.h"

DECLARE_DO_FUN( do_look 	);
extern ROOM_INDEX_DATA *find_location( CHAR_DATA *, char * );
extern char *prog_type_to_name( int type );

/*
 * ROOMcommand table.
 */
const	struct  room_cmd_type	room_cmd_table	[] =
{
    {	"at",	do_rpat 	},
    {	"asound",	do_rpasound	},
    {	"gecho",	do_rpgecho	},
    {	"zecho",	do_rpzecho	},
    {	"echo",		do_rpecho 	},
    {	"echoaround",	do_rpechoaround },
    {	"echoat",	do_rpechoat 	},
    {	"mload",	do_rpmload 	},
    {	"iload",	do_rpiload 	},
    {	"oload",	do_rpoload 	},
    {	"purge",	do_rppurge 	},
    {   "transfer",	do_rptransfer 	},
    {	"gtransfer",	do_rpgtransfer 	},
    {	"otransfer",	do_rpotransfer 	},
    {	"force",	do_rpforce 	},
    {	"gforce",	do_rpgforce 	},
    {	"vforce",	do_rpvforce 	},
    {	"damage",       do_rpdamage 	},
    {	"remember",	do_rpremember 	},
    {	"forget",	do_rpforget 	},
    {	"delay",	do_rpdelay 	},
    {	"cancel",	do_rpcancel 	},
    {	"call",		do_rpcall 	},
    {	"remove",	do_rpremove 	},
    {	"",		0 		},
};

/*
 * ROOMprog section
 */

void do_room( ROOM_INDEX_DATA *room, char *argument )
{
    room_interpret( room, argument );
}

/*
 * Room command interpreter. Implemented separately for security and speed
 * reasons. A trivial hack of interpret()
 */
void room_interpret( ROOM_INDEX_DATA *room, char *argument )
{
    char buf[MAX_STRING_LENGTH], command[MAX_INPUT_LENGTH];
    int cmd;

    argument = one_argument( argument, command );

    /*
     * Look for command in command table.
     */
    for ( cmd = 0; room_cmd_table[cmd].name[0] != '\0'; cmd++ )
    {
        if ( command[0] == room_cmd_table[cmd].name[0]
                &&   !str_prefix( command, room_cmd_table[cmd].name ) )
        {
            (*room_cmd_table[cmd].room_fun) ( room, argument );
            tail_chain( );
            return;
        }
    }
    sprintf( buf, "Room_interpret: invalid cmd from room %d: '%s'",
            room->vnum, command );
    bug( buf, 0 );
}

/*
 * Displays ROOMprogram triggers of a room
 *
 * Syntax: rpstat [name]
 */
void do_rpstat( CHAR_DATA *ch, char *argument )
{
    char        arg[ MAX_STRING_LENGTH  ];
    PROG_LIST  *rprg;
    ROOM_INDEX_DATA   *room;
    int i;

    one_argument( argument, arg );

    if ( arg[0] == '\0' )
        room = ch->in_room;
    else if ( !is_number( arg ) )
    {
        send_to_char( "You must provide a number.\n\r", ch );
        return;
    }
    else if ( ( room = get_room_index( atoi(arg) ) ) == NULL )
    {
        send_to_char( "No such room.\n\r", ch );
        return;
    }

    ch_printf( ch, "Room #%-6d [%s]\n\r",
            room->vnum, room->name );

    ch_printf( ch, "Delay   %-6d [%s]\n\r",
            room->rprog_delay,
            room->rprog_target == NULL
            ? "No target" : room->rprog_target->name );

    if ( !room->rprog_flags )
    {
        send_to_char( "[No programs set]\n\r", ch);
        return;
    }

    for ( i = 0, rprg = room->rprogs; rprg != NULL;
            rprg = rprg->next )

    {
        draw_line(ch, "{W-{x-", 0);
        ch_printf(ch, "[%2d] Trigger [%-8s] Program [%4d] Phrase [%s]\n\r     Program comments :%s\n\r",
                ++i,
                prog_type_to_name( rprg->trig_type ),
                rprg->vnum,
                rprg->trig_phrase,
                rprg->comments );
    }

    return;

}

/*
 * Displays the source code of a given ROOMprogram
 *
 * Syntax: rpdump [vnum]
 */
void do_rpdump( CHAR_DATA *ch, char *argument )
{
    char buf[ MAX_INPUT_LENGTH ];
    PROG_CODE *rprg;

    one_argument( argument, buf );
    if ( ( rprg = get_prog_index( atoi(buf), PRG_RPROG ) ) == NULL )
    {
        send_to_char( "No such ROOMprogram.\n\r", ch );
        return;
    }
    page_to_char( rprg->code, ch );
}

/*
 * Prints the argument to all active players in the game
 *
 * Syntax: room gecho [string]
 */
void do_rpgecho( ROOM_INDEX_DATA *room, char *argument )
{
    DESCRIPTOR_DATA *d;

    if ( argument[0] == '\0' )
    {
        bug( "RpGEcho: missing argument from vnum %d",
                room->vnum );
        return;
    }

    for ( d = descriptor_list; d; d = d->next )
    {
        if ( d->connected == CON_PLAYING )
        {
            if ( IS_IMMORTAL(d->character) )
                send_to_char( "Room echo> ", d->character );
            send_to_char( argument, d->character );
            send_to_char( "\n\r", d->character );
        }
    }
}

/*
 * Prints the argument to all players in the same area as the room
 *
 * Syntax: room zecho [string]
 */
void do_rpzecho( ROOM_INDEX_DATA *room, char *argument )
{
    DESCRIPTOR_DATA *d;

    if ( argument[0] == '\0' )
    {
        bug( "RpZEcho: missing argument from vnum %d",
                room->vnum );
        return;
    }

    for ( d = descriptor_list; d; d = d->next )
    {
        if ( d->connected == CON_PLAYING
                &&   d->character->in_room != NULL
                &&   d->character->in_room->area == room->area )
        {
            if ( IS_IMMORTAL(d->character) )
                send_to_char( "Room echo> ", d->character );
            send_to_char( argument, d->character );
            send_to_char( "\n\r", d->character );
        }
    }
}

/*
 * Prints the argument to all the rooms aroud the room
 *
 * Syntax: room asound [string]
 */
void do_rpasound( ROOM_INDEX_DATA *room, char *argument )
{
    int              door;

    if ( argument[0] == '\0' )
        return;

    for ( door = 0; door < 6; door++ )
    {
        EXIT_DATA       *pexit;

        if ( ( pexit = room->exit[door] ) != NULL
                &&   pexit->u1.to_room != NULL
                &&   pexit->u1.to_room != room
                &&   pexit->u1.to_room->people != NULL )
        {
            act( argument, pexit->u1.to_room->people, NULL, NULL, TO_ROOM );
            act( argument, pexit->u1.to_room->people, NULL, NULL, TO_CHAR );
        }
    }
    return;

}

/*
 * Prints the message to everyone in the room other than the victim
 *
 * Syntax: room echoaround [victim] [string]
 */

void do_rpechoaround( ROOM_INDEX_DATA *room, char *argument )
{
    char       arg[ MAX_INPUT_LENGTH ];
    CHAR_DATA *victim;

    argument = one_argument( argument, arg );

    if ( arg[0] == '\0' )
        return;

    if ( ( victim=get_char_room( NULL, room, arg ) ) == NULL )
        return;

    act( argument, victim, NULL, victim, TO_NOTVICT );
}

/*
 * Prints the message to only the victim
 *
 * Syntax: room echoat [victim] [string]
 */
void do_rpechoat( ROOM_INDEX_DATA *room, char *argument )
{
    char       arg[ MAX_INPUT_LENGTH ];
    CHAR_DATA *victim;

    argument = one_argument( argument, arg );

    if ( arg[0] == '\0' || argument[0] == '\0' )
        return;

    if ( ( victim = get_char_room( NULL, room, arg ) ) == NULL )
        return;

    act( argument, victim, NULL, NULL, TO_CHAR );
}

/*
 * Prints the message to the room at large
 *
 * Syntax: rpecho [string]
 */
void do_rpecho( ROOM_INDEX_DATA *room, char *argument )
{
    if ( argument[0] == '\0' )
        return;

    if ( !room->people )
        return;

    act( argument, room->people, NULL, NULL, TO_ROOM );
    act( argument, room->people, NULL, NULL, TO_CHAR );
}

/*
 * Lets the room load a mobile.
 *
 * Syntax: room mload [vnum]
 */
void do_rpmload( ROOM_INDEX_DATA *room, char *argument )
{
    char            arg[ MAX_INPUT_LENGTH ];
    MOB_INDEX_DATA *pMobIndex;
    CHAR_DATA      *victim;
    int vnum;

    one_argument( argument, arg );

    if ( arg[0] == '\0' || !is_number(arg) )
        return;

    vnum = atoi(arg);
    if ( ( pMobIndex = get_mob_index( vnum ) ) == NULL )
    {
        sprintf( arg, "Rpmload: bad mob index (%d) from room %d",
                vnum, room->vnum );
        bug( arg, 0 );
        return;
    }
    victim = create_mobile( pMobIndex );
    char_to_room( victim, room );
    return;
}

/*
 * Lets the room load an object
 * JH: 3/8/2004 11:15PM: Bullshit, -required- you to have a level.
 * Total gayness.
 * Syntax: room oload [vnum] [level]
 */
void do_rpoload( ROOM_INDEX_DATA *room, char *argument )
{
    char arg1[ MAX_INPUT_LENGTH ];
    char arg2[ MAX_INPUT_LENGTH ];
    OBJ_INDEX_DATA *pObjIndex;
    OBJ_DATA       *obj;
    int             level;

    argument = one_argument( argument, arg1 );
    argument = one_argument( argument, arg2 );

    if ( arg1[0] == '\0' || !is_number( arg1 ))
    {
        bug( "Rpoload - Bad syntax from vnum %d.",
                room->vnum );
        return;
    }

    if ( ( pObjIndex = get_obj_index( atoi( arg1 ) ) ) == NULL )
    {
        bug( "Rpoload - Bad vnum arg from vnum %d.", room->vnum );
        return;
    }

    if (arg2[0] == '\0' || !is_number( arg2 ))
        level = pObjIndex->level;
    else
        level = atoi( arg2 );

    if ( level < 0 || level > LEVEL_IMMORTAL )
    {
        bug( "Rpoload - Bad level from vnum %d.", room->vnum );
        return;
    }

    obj = create_object( pObjIndex, level );
    obj_to_room( obj, room );

    return;
}


/*
 * Lets the room load an object to someone's inventory
 *
 * Syntax: room iload [vnum] [person]
 */
void do_rpiload( ROOM_INDEX_DATA *room, char *argument )
{
    char arg1[ MAX_INPUT_LENGTH ];
    char arg2[ MAX_INPUT_LENGTH ];
    OBJ_INDEX_DATA *pObjIndex;
    OBJ_DATA       *nobj;
    CHAR_DATA *victim;

    argument = one_argument( argument, arg1 );
    argument = one_argument( argument, arg2 );

    if ( arg1[0] == '\0' || !is_number( arg1 ) )
    {
        bug( "Rpiload - Bad syntax from vnum %d.", room->vnum);
        return;
    }

    if ( ( pObjIndex = get_obj_index( atoi( arg1 ) ) ) == NULL )
    {
        bug( "Rpiload - Bad vnum arg from vnum %d.", room->vnum);
        return;
    }

    if ( ( victim = get_char_room( NULL, room, arg2 ) ) == NULL )
        return;

    nobj = create_object( pObjIndex, pObjIndex->level );
    obj_to_char( nobj, victim );

    return;
}

/*
 * Lets the room purge all objects npcs in the room,
 * or purge a specified object or mob in the room.
 *
 * syntax room purge {target}
 */
void do_rppurge( ROOM_INDEX_DATA *room, char *argument )
{
    char       arg[ MAX_INPUT_LENGTH ];
    CHAR_DATA *victim;
    OBJ_DATA  *obj;

    one_argument( argument, arg );

    if ( arg[0] == '\0' )
    {
        /* 'purge' */
        CHAR_DATA *vnext;
        OBJ_DATA  *obj_next;

        for ( victim = room->people; victim != NULL; victim = vnext )
        {
            vnext = victim->next_in_room;
            if ( IS_NPC( victim )
                    &&   !IS_SET(victim->act, ACT_NOPURGE) )
                extract_char( victim, TRUE );
        }

        for ( obj = room->contents; obj != NULL; obj = obj_next )
        {
            obj_next = obj->next_content;
            if ( !IS_SET(obj->extra_flags, ITEM_NOPURGE) )
                extract_obj( obj );
        }

        return;
    }

    if ( ( victim = get_char_room( NULL, room, arg ) ) == NULL )
    {
        if ( ( obj = get_obj_here( NULL, room, arg ) ) )
        {
            extract_obj( obj );
        }
        else
        {
            bug( "Rppurge - Bad argument from vnum %d.", room->vnum );
        }
        return;
    }

    if ( !IS_NPC( victim ) )
    {
        bug( "Rppurge - Purging a PC from vnum %d.", room->vnum );
        return;
    }
    extract_char( victim, TRUE );
    return;
}

/*
 * Lets the room transfer people.  The 'all' argument transfers
 *  everyone in the room to the specified location
 *
 * Syntax: room transfer [target|'all'] [location]
 */
void do_rptransfer( ROOM_INDEX_DATA *room, char *argument )
{
    char             arg1[ MAX_INPUT_LENGTH ];
    char             arg2[ MAX_INPUT_LENGTH ];
    char	     buf[MAX_STRING_LENGTH];
    ROOM_INDEX_DATA *location;
    CHAR_DATA       *victim;
    OBJ_DATA	    *tobj;

    argument = one_argument( argument, arg1 );
    argument = one_argument( argument, arg2 );

    if ( arg1[0] == '\0' )
    {
        bug( "Rptransfer - Bad syntax from vnum %d.", room->vnum );
        return;
    }

    if ( !str_cmp( arg1, "all" ) )
    {
        CHAR_DATA *victim_next;

        for ( victim = room->people; victim != NULL; victim = victim_next )
        {
            victim_next = victim->next_in_room;
            if ( !IS_NPC(victim) )
            {
                sprintf( buf, "%s %s", victim->name, arg2 );
                do_rptransfer( room, buf );
            }
        }
        return;
    }

    /*
     * Thanks to Grodyn for the optional location parameter.
     */
    if ( arg2[0] == '\0' )
    {
        location = room;
    }
    else
    {
        if ( is_number(arg2))
            location = get_room_index( atoi(arg2) );
        else if ( (victim = get_char_world( NULL, arg2 )) != NULL )
            location = victim->in_room;
        else if ( ( tobj = get_obj_world( NULL, arg2 )) != NULL )
            location = tobj->in_room;
        else
        {
            bug( "Rptransfer - No such location from vnum %d.", room->vnum );
            return;
        }

        if ( room_is_private( location ) )
            return;
    }

    if ( ( victim = get_char_world( NULL, arg1 ) ) == NULL )
        return;

    if ( victim->in_room == NULL )
        return;

    if ( victim->fighting != NULL )
        stop_fighting( victim, TRUE );
    char_from_room( victim );
    char_to_room( victim, location );
    do_look( victim, "auto" );

    return;
}

/*
 * Lets the room transfer all chars in same group as the victim.
 *
 * Syntax: room gtransfer [victim] [location]
 */
void do_rpgtransfer( ROOM_INDEX_DATA *room, char *argument )
{
    char             arg1[ MAX_INPUT_LENGTH ];
    char             arg2[ MAX_INPUT_LENGTH ];
    char	     buf[MAX_STRING_LENGTH];
    CHAR_DATA       *who, *victim, *victim_next;

    argument = one_argument( argument, arg1 );
    argument = one_argument( argument, arg2 );

    if ( arg1[0] == '\0' )
    {
        bug( "Rpgtransfer - Bad syntax from vnum %d.", room->vnum );
        return;
    }

    if ( (who = get_char_room( NULL, room, arg1 )) == NULL )
        return;

    for ( victim = room->people; victim; victim = victim_next )
    {
        victim_next = victim->next_in_room;
        if( is_same_group( who,victim ) )
        {
            sprintf( buf, "%s %s", victim->name, arg2 );
            do_rptransfer( room, buf );
        }
    }
    return;
}

/*
 * Lets the room force someone to do something. Must be mortal level
 * and the all argument only affects those in the room.
 *
 * Syntax: room force [victim] [commands]
 */
void do_rpforce( ROOM_INDEX_DATA *room, char *argument )
{
    char arg[ MAX_INPUT_LENGTH ];

    argument = one_argument( argument, arg );

    if ( arg[0] == '\0' || argument[0] == '\0' )
    {
        bug( "Rpforce - Bad syntax from vnum %d.", room->vnum );
        return;
    }

    if ( !str_cmp( arg, "all" ) )
    {
        CHAR_DATA *vch;
        CHAR_DATA *vch_next;

        for ( vch = char_list; vch != NULL; vch = vch_next )
        {
            vch_next = vch->next;

            if ( vch->in_room == room && !IS_IMMORTAL( vch ) )
                interpret( vch, argument );
        }
    }
    else
    {
        CHAR_DATA *victim;

        if ( ( victim = get_char_room( NULL, room, arg ) ) == NULL )
            return;

        interpret( victim, argument );
    }

    return;
}

/*
 * Lets the room force a group something. Must be mortal level.
 *
 * Syntax: room gforce [victim] [commands]
 */
void do_rpgforce( ROOM_INDEX_DATA *room, char *argument )
{
    char arg[ MAX_INPUT_LENGTH ];
    CHAR_DATA *victim, *vch, *vch_next;

    argument = one_argument( argument, arg );

    if ( arg[0] == '\0' || argument[0] == '\0' )
    {
        bug( "RpGforce - Bad syntax from vnum %d.", room->vnum );
        return;
    }

    if ( ( victim = get_char_room( NULL, room, arg ) ) == NULL )
        return;

    for ( vch = victim->in_room->people; vch != NULL; vch = vch_next )
    {
        vch_next = vch->next_in_room;

        if ( is_same_group(victim,vch) )
            interpret( vch, argument );
    }
    return;
}

/*
 * Forces all mobiles of certain vnum to do something
 *
 * Syntax: room vforce [vnum] [commands]
 */
void do_rpvforce( ROOM_INDEX_DATA *room, char *argument )
{
    CHAR_DATA *victim, *victim_next;
    char arg[ MAX_INPUT_LENGTH ];
    int vnum;

    argument = one_argument( argument, arg );

    if ( arg[0] == '\0' || argument[0] == '\0' )
    {
        bug( "RpVforce - Bad syntax from vnum %d.", room->vnum );
        return;
    }

    if ( !is_number( arg ) )
    {
        bug( "RpVforce - Non-number argument vnum %d.", room->vnum );
        return;
    }

    vnum = atoi( arg );

    for ( victim = char_list; victim; victim = victim_next )
    {
        victim_next = victim->next;
        if ( IS_NPC(victim) && victim->pIndexData->vnum == vnum
                && victim->fighting == NULL )
            interpret( victim, argument );
    }
    return;
}

/*
 * Lets room cause unconditional damage to someone. Nasty, use with caution.
 * Also, this is silent, you must show your own damage message...
 *
 * Syntax: room damage [victim] [min] [max] {kill}
 */
void do_rpdamage( ROOM_INDEX_DATA *room, char *argument )
{
    CHAR_DATA *victim = NULL, *victim_next;
    char target[ MAX_INPUT_LENGTH ],
    min[ MAX_INPUT_LENGTH ],
    max[ MAX_INPUT_LENGTH ];
    int low, high;
    bool fAll = FALSE, fKill = FALSE;

    argument = one_argument( argument, target );
    argument = one_argument( argument, min );
    argument = one_argument( argument, max );

    if ( target[0] == '\0' )
    {
        bug( "RpDamage - Bad syntax from vnum %d.", room->vnum );
        return;
    }
    if( !str_cmp( target, "all" ) )
        fAll = TRUE;
    else if( ( victim = get_char_room( NULL, room, target ) ) == NULL )
        return;

    if ( is_number( min ) )
        low = atoi( min );
    else
    {
        bug( "RpDamage - Bad damage min vnum %d.", room->vnum );
        return;
    }
    if ( is_number( max ) )
        high = atoi( max );
    else
    {
        bug( "RpDamage - Bad damage max vnum %d.", room->vnum );
        return;
    }
    one_argument( argument, target );

    /*
     * If kill parameter is omitted, this command is "safe" and will not
     * kill the victim.
     */

    if ( target[0] != '\0' )
        fKill = TRUE;
    if ( fAll )
    {
        for( victim = room->people; victim; victim = victim_next )
        {
            victim_next = victim->next_in_room;
            damage( victim, victim,
                    fKill ?
                    number_range(low,high) : UMIN(victim->hit,number_range(low,high)),
                    TYPE_UNDEFINED, DAM_NONE, FALSE );
        }
    }
    else
        damage( victim, victim,
                fKill ?
                number_range(low,high) : UMIN(victim->hit,number_range(low,high)),
                TYPE_UNDEFINED, DAM_NONE, FALSE );
    return;
}

/*
 * Lets the room remember a target. The target can be referred to
 * with $q and $Q codes in ROOMprograms. See also "room forget".
 *
 * Syntax: room remember [victim]
 */
void do_rpremember( ROOM_INDEX_DATA *room, char *argument )
{
    char arg[ MAX_INPUT_LENGTH ];
    one_argument( argument, arg );
    if ( arg[0] != '\0' )
        room->rprog_target = get_char_world( NULL, arg );
    else
        bug( "RpRemember: missing argument from vnum %d.", room->vnum );
}

/*
 * Reverse of "room remember".
 *
 * Syntax: room forget
 */
void do_rpforget( ROOM_INDEX_DATA *room, char *argument )
{
    room->rprog_target = NULL;
}

/*
 * Sets a delay for ROOMprogram execution. When the delay time expires,
 * the room is checked for a ROOMprogram with DELAY trigger, and if
 * one is found, it is executed. Delay is counted in PULSE_AREA
 *
 * Syntax: room delay [pulses]
 */
void do_rpdelay( ROOM_INDEX_DATA *room, char *argument )
{
    char arg[ MAX_INPUT_LENGTH ];

    one_argument( argument, arg );
    if ( !is_number( arg ) )
    {
        bug( "RpDelay: invalid arg from vnum %d.", room->vnum );
        return;
    }
    room->rprog_delay = atoi( arg );
}

/*
 * Reverse of "room delay", deactivates the timer.
 *
 * Syntax: room cancel
 */
void do_rpcancel( ROOM_INDEX_DATA *room, char *argument )
{
    room->rprog_delay = -1;
}
/*
 * Lets the room call another ROOMprogram within a ROOMprogram.
 * This is a crude way to implement subroutines/functions. Beware of
 * nested loops and unwanted triggerings... Stack usage might be a problem.
 * Characters and objects referred to must be in the room.
 *
 * Syntax: room call [vnum] [victim|'null'] [object1|'null'] [object2|'null']
 *
 */
void do_rpcall( ROOM_INDEX_DATA *room, char *argument )
{
    char arg[ MAX_INPUT_LENGTH ];
    CHAR_DATA *vch;
    OBJ_DATA *obj1, *obj2;
    PROG_CODE *prg;
    extern void program_flow( sh_int, char *, CHAR_DATA *, OBJ_DATA *, ROOM_INDEX_DATA *, CHAR_DATA *, const void *, const void *, int );

    argument = one_argument( argument, arg );
    if ( arg[0] == '\0' )
    {
        bug( "RpCall: missing arguments from vnum %d.", room->vnum );
        return;
    }
    if ( ( prg = get_prog_index( atoi(arg), PRG_RPROG ) ) == NULL )
    {
        bug( "RpCall: invalid prog from vnum %d.", room->vnum );
        return;
    }
    vch = NULL;
    obj1 = obj2 = NULL;
    argument = one_argument( argument, arg );
    if ( arg[0] != '\0' )
        vch = get_char_room( NULL, room, arg );
    argument = one_argument( argument, arg );
    if ( arg[0] != '\0' )
        obj1 = get_obj_here( NULL, room, arg );
    argument = one_argument( argument, arg );
    if ( arg[0] != '\0' )
        obj2 = get_obj_here( NULL, room, arg );
    program_flow( prg->vnum, prg->code, NULL, NULL, room, vch, (void *)obj1, (void *)obj2, 1 );
}

/*
 * Lets the room transfer an object. The object must be in the room.
 *
 * Syntax: room otransfer [item name] [location]
 */
void do_rpotransfer( ROOM_INDEX_DATA *room, char *argument )
{
    OBJ_DATA *obj, *tobj;
    ROOM_INDEX_DATA *location;
    char arg[ MAX_INPUT_LENGTH ];
    char buf[ MAX_INPUT_LENGTH ];
    CHAR_DATA *victim;

    argument = one_argument( argument, arg );
    if ( arg[0] == '\0' )
    {
        bug( "RpOTransfer - Missing argument from vnum %d.", room->vnum );
        return;
    }
    one_argument( argument, buf );

    if ( is_number( buf ) )
        location = get_room_index( atoi(buf) );
    else if ( (victim = get_char_world( NULL, buf )) != NULL )
        location = victim->in_room;
    else if ( ( tobj = get_obj_world( NULL, arg )) != NULL )
        location = tobj->in_room;
    else
    {
        bug( "RpOTransfer - No such location from vnum %d.", room->vnum );
        return;
    }

    if ( (obj = get_obj_here( NULL, room, arg )) == NULL )
        return;

    if ( obj->carried_by == NULL )
        obj_from_room( obj );
    else
    {
        if ( obj->wear_loc != WEAR_NONE )
            unequip_char( obj->carried_by, obj );
        obj_from_char( obj );
    }
    obj_to_room( obj, location );
}

/*
 * Lets the room strip an object or all objects from the victim.
 * Useful for removing e.g. quest objects from a character.
 *
 * Syntax: room remove [victim] [object vnum|'all']
 */
void do_rpremove( ROOM_INDEX_DATA *room, char *argument )
{
    CHAR_DATA *victim;
    OBJ_DATA *obj, *obj_next;
    sh_int vnum = 0;
    bool fAll = FALSE;
    char arg[ MAX_INPUT_LENGTH ];

    argument = one_argument( argument, arg );
    if ( ( victim = get_char_room( NULL, room, arg ) ) == NULL )
        return;

    one_argument( argument, arg );
    if ( !str_cmp( arg, "all" ) )
        fAll = TRUE;
    else if ( !is_number( arg ) )
    {
        bug ( "RpRemove: Invalid object from vnum %d.", room->vnum );
        return;
    }
    else
        vnum = atoi( arg );

    for ( obj = victim->carrying; obj; obj = obj_next )
    {
        obj_next = obj->next_content;
        if ( fAll || obj->pIndexData->vnum == vnum )
        {
            unequip_char( victim, obj );
            obj_from_char( obj );
            extract_obj( obj );
        }
    }
}

/*
 * Lets a room do a command at another location.
 * JH 3/2/2004 6:27PM
 * Syntax: room at [location] [commands]
 */
void do_rpat( ROOM_INDEX_DATA *room, char *argument )
{
    char arg[MIL];
    ROOM_INDEX_DATA *location;
    argument = one_argument( argument, arg );

    if ( arg[0] == '\0' || argument[0] == '\0' )
    {
        bug( "RPat - Bad argument from vnum %d.",  room->vnum);
        return;
    }

    if ( ( location = find_location( NULL, arg ) ) == NULL )
    {
        bug( "RPat - Bad argument from vnum %d.",  room->vnum);
        return;
    }

    /*Dump the 'room' prefix, if applicable. Eg. room at 1430 room echo <whatever>*/
    if (!str_prefix("room", argument))
        argument = one_argument( argument, arg );
    else
        argument = argument;


    room_interpret( location, argument );

    return;
}