cotn/notes/
cotn/src/
/***************************************************************************
 *  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 1993-1995 Russ Taylor			   *
*	ROM has been brought to you by the ROM consortium		   *
*	    Russ Taylor (rtaylor@pacinfo.com)				   *
*	    Gabrielle Taylor (gtaylor@pacinfo.com)			   *
*	    Brian Moore (rom@rom.efn.org)				   *
*	By using this code, you have agreed to follow the terms of the	   *
*	ROM license, in the file Rom24/doc/rom.license			   *
***************************************************************************/
/***************************************************************************
 *                                                                         *
 *  Based on MERC 2.2 MOBprograms by N'Atas-ha.                            *
 *  Written and adapted to ROM 2.4 by                                      *
 *          Markku Nylander (markku.nylander@uta.fi)                       *
 *                                                                         *
 ***************************************************************************/
 /***************************************************************************
 *                                 _/                            _/        *
 *      _/_/_/  _/_/      _/_/_/  _/    _/_/    _/    _/    _/_/_/         *
 *     _/    _/    _/  _/        _/  _/    _/  _/    _/  _/    _/          *
 *    _/    _/    _/  _/        _/  _/    _/  _/    _/  _/    _/           *
 *   _/    _/    _/    _/_/_/  _/    _/_/      _/_/_/    _/_/_/            *
 ***************************************************************************
 * Mindcloud Copyright 2001-2003 by Jeff Boschee (Zarius),                 *
 * Additional credits are in the help file CODECREDITS                     *
 * All Rights Reserved.                                                    *
 ***************************************************************************/

#include <sys/types.h>
#include <ctype.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "merc.h"
#include "mob_cmds.h"
#include "interp.h"

extern ROOM_INDEX_DATA *find_location(CHAR_DATA *, char *);

/*
 * MOBcommand table.
 */
const struct mob_cmd_type mob_cmd_table[] = {
        {"asound", do_mpasound},
        {"gecho", do_mpgecho},
        {"zecho", do_mpzecho},
        {"kill", do_mpkill},
        {"assist", do_mpassist},
        {"junk", do_mpjunk},
        {"echo", do_mpecho},
        {"echoaround", do_mpechoaround},
        {"echoat", do_mpechoat},
        {"mload", do_mpmload},
        {"oload", do_mpoload},
        {"purge", do_mppurge},
        {"goto", do_mpgoto},
        {"at", do_mpat},
        {"transfer", do_mptransfer},
        {"gtransfer", do_mpgtransfer},
        {"otransfer", do_mpotransfer},
        {"force", do_mpforce},
        {"gforce", do_mpgforce},
        {"vforce", do_mpvforce},
        {"cast", do_mpcast},
        {"damage", do_mpdamage},
        {"remember", do_mpremember},
        {"forget", do_mpforget},
        {"delay", do_mpdelay},
        {"cancel", do_mpcancel},
        {"call", do_mpcall},
        {"flee", do_mpflee},
        {"remove", do_mpremove},
        {"randsoc", do_mprandsoc},
        {"", 0}
};

/*
 * OBJcommand table.
 */
const struct obj_cmd_type obj_cmd_table[] = {
        {"gecho", do_opgecho},
        {"zecho", do_opzecho},
        {"echo", do_opecho},
        {"echoaround", do_opechoaround},
        {"echoat", do_opechoat},
        {"mload", do_opmload},
        {"oload", do_opoload},
        {"purge", do_oppurge},
        {"goto", do_opgoto},
        {"transfer", do_optransfer},
        {"gtransfer", do_opgtransfer},
        {"otransfer", do_opotransfer},
        {"force", do_opforce},
        {"gforce", do_opgforce},
        {"vforce", do_opvforce},
        {"damage", do_opdamage},
        {"remember", do_opremember},
        {"forget", do_opforget},
        {"delay", do_opdelay},
        {"cancel", do_opcancel},
        {"call", do_opcall},
        {"remove", do_opremove},
        {"attrib", do_opattrib},
        {"", 0}
};

/*
 * ROOMcommand table.
 */
const struct room_cmd_type room_cmd_table[] = {
        {"asound", do_rpasound},
        {"gecho", do_rpgecho},
        {"zecho", do_rpzecho},
        {"echo", do_rpecho},
        {"echoaround", do_rpechoaround},
        {"echoat", do_rpechoat},
        {"mload", do_rpmload},
        {"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},
};

char     *prog_type_to_name(int type)
{
        switch (type)
        {
        case TRIG_ACT:
                return "ACT";
        case TRIG_SPEECH:
                return "SPEECH";
        case TRIG_RANDOM:
                return "RANDOM";
        case TRIG_FIGHT:
                return "FIGHT";
        case TRIG_HPCNT:
                return "HPCNT";
        case TRIG_DEATH:
                return "DEATH";
        case TRIG_ENTRY:
                return "ENTRY";
        case TRIG_GREET:
                return "GREET";
        case TRIG_GRALL:
                return "GRALL";
        case TRIG_GIVE:
                return "GIVE";
        case TRIG_BRIBE:
                return "BRIBE";
        case TRIG_KILL:
                return "KILL";
        case TRIG_DELAY:
                return "DELAY";
        case TRIG_SURR:
                return "SURRENDER";
        case TRIG_EXIT:
                return "EXIT";
        case TRIG_EXALL:
                return "EXALL";
        case TRIG_GET:
                return "GET";
        case TRIG_DROP:
                return "DROP";
        case TRIG_SIT:
                return "SIT";
        case TRIG_REGEX:
                return "REGEX";
        default:
                return "ERROR";
        }
}

/*
 * MOBprog section
 */

void do_mob(CHAR_DATA * ch, char *argument)
{
        /*
         * Security check!
         */
        if (ch->desc != NULL && get_trust(ch) < MAX_LEVEL)
                return;
        mob_interpret(ch, argument);
}

/*
 * Mob command interpreter. Implemented separately for security and speed
 * reasons. A trivial hack of interpret()
 */
void mob_interpret(CHAR_DATA * ch, 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; mob_cmd_table[cmd].name[0] != '\0'; cmd++)
        {
                if (command[0] == mob_cmd_table[cmd].name[0]
                    && !str_prefix(command, mob_cmd_table[cmd].name))
                {
                        (*mob_cmd_table[cmd].do_fun) (ch, argument);
                        tail_chain();
                        return;
                }
        }
        xprintf(buf, "Mob_interpret: invalid cmd from mob %d: '%s'",
                IS_NPC(ch) ? ch->pIndexData->vnum : 0, command);
        bug(buf, 0);
}

/* 
 * Displays MOBprogram triggers of a mobile
 *
 * Syntax: mpstat [name]
 */
void do_mpstat(CHAR_DATA * ch, char *argument)
{
        char      arg[MAX_STRING_LENGTH];
        PROG_LIST *mprg;
        CHAR_DATA *victim;
        int       i;

        one_argument(argument, arg);

        if (arg[0] == '\0')
        {
                send_to_char("Mpstat whom?\n\r", ch);
                return;
        }

        if ((victim = get_char_world(ch, arg)) == NULL)
        {
                send_to_char("No such creature.\n\r", ch);
                return;
        }

        if (!IS_NPC(victim))
        {
                send_to_char("That is not a mobile.\n\r", ch);
                return;
        }

        xprintf(arg, "Mobile #%-6d [%s]\n\r",
                victim->pIndexData->vnum, victim->short_descr);
        send_to_char(arg, ch);

        xprintf(arg, "Delay   %-6d [%s]\n\r",
                victim->mprog_delay,
                victim->mprog_target == NULL
                ? "No target" : victim->mprog_target->name);
        send_to_char(arg, ch);

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

        for (i = 0, mprg = victim->pIndexData->mprogs; mprg != NULL;
             mprg = mprg->next)

        {
                xprintf(arg,
                        "[%2d] Trigger [%-8s] Program [%4d] Phrase [%s]\n\r",
                        ++i, prog_type_to_name(mprg->trig_type), mprg->vnum,
                        mprg->trig_phrase);
                send_to_char(arg, ch);
        }

        return;

}

/*
 * Displays the source code of a given MOBprogram
 *
 * Syntax: mpdump [vnum]
 */
void do_mpdump(CHAR_DATA * ch, char *argument)
{
        char      buf[MAX_INPUT_LENGTH];
        PROG_CODE *mprg;

        one_argument(argument, buf);
        if ((mprg = get_prog_index(atoi(buf), PRG_MPROG)) == NULL)
        {
                send_to_char("No such MOBprogram.\n\r", ch);
                return;
        }
        pager_to_char(mprg->code, ch);
}

/*
 * Prints the argument to all active players in the game
 *
 * Syntax: mob gecho [string]
 */
void do_mpgecho(CHAR_DATA * ch, char *argument)
{
        DESCRIPTOR_DATA *d;

        if (argument[0] == '\0')
        {
                bug("MpGEcho: missing argument from vnum %d",
                    IS_NPC(ch) ? ch->pIndexData->vnum : 0);
                return;
        }

        for (d = descriptor_list; d; d = d->next)
        {
                if (d->connected == CON_PLAYING)
                {
                        if (IS_IMMORTAL(d->character))
                                send_to_char("Mob 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 mob
 *
 * Syntax: mob zecho [string]
 */
void do_mpzecho(CHAR_DATA * ch, char *argument)
{
        DESCRIPTOR_DATA *d;

        if (argument[0] == '\0')
        {
                bug("MpZEcho: missing argument from vnum %d",
                    IS_NPC(ch) ? ch->pIndexData->vnum : 0);
                return;
        }

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

        for (d = descriptor_list; d; d = d->next)
        {
                if (d->connected == CON_PLAYING
                    && d->character->in_room != NULL
                    && d->character->in_room->area == ch->in_room->area)
                {
                        if (IS_IMMORTAL(d->character))
                                send_to_char("Mob 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 mobile
 *
 * Syntax: mob asound [string]
 */
void do_mpasound(CHAR_DATA * ch, char *argument)
{

        ROOM_INDEX_DATA *was_in_room;
        int       door;

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

        was_in_room = ch->in_room;
        for (door = 0; door < 6; door++)
        {
                EXIT_DATA *pexit;

                if ((pexit = was_in_room->exit[door]) != NULL
                    && pexit->u1.to_room != NULL
                    && pexit->u1.to_room != was_in_room)
                {
                        ch->in_room = pexit->u1.to_room;
                        MOBtrigger = FALSE;
                        act(argument, ch, NULL, NULL, TO_ROOM);
                        MOBtrigger = TRUE;
                }
        }
        ch->in_room = was_in_room;
        return;

}

/*
 * Lets the mobile kill any player or mobile without murder
 *
 * Syntax: mob kill [victim]
 */
void do_mpkill(CHAR_DATA * ch, char *argument)
{
        char      arg[MAX_INPUT_LENGTH];
        CHAR_DATA *victim;

        one_argument(argument, arg);

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

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

        if (victim == ch || IS_NPC(victim) || ch->position == POS_FIGHTING)
                return;

        if (IS_AFFECTED(ch, AFF_CHARM) && ch->master == victim)
        {
                bug("MpKill - Charmed mob attacking master from vnum %d.",
                    IS_NPC(ch) ? ch->pIndexData->vnum : 0);
                return;
        }

        multi_hit(ch, victim, TYPE_UNDEFINED);
        return;
}

/*
 * Lets the mobile assist another mob or player
 *
 * Syntax: mob assist [character]
 */
void do_mpassist(CHAR_DATA * ch, char *argument)
{
        char      arg[MAX_INPUT_LENGTH];
        CHAR_DATA *victim;

        one_argument(argument, arg);

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

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

        if (victim == ch || ch->fighting != NULL || victim->fighting == NULL)
                return;

        multi_hit(ch, victim->fighting, TYPE_UNDEFINED);
        return;
}


/*
 * Lets the mobile destroy an object in its inventory
 * it can also destroy a worn object and it can destroy 
 * items using all.xxxxx or just plain all of them 
 *
 * Syntax: mob junk [item]
 */

void do_mpjunk(CHAR_DATA * ch, char *argument)
{
        char      arg[MAX_INPUT_LENGTH];
        OBJ_DATA *obj;
        OBJ_DATA *obj_next;

        one_argument(argument, arg);

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

        if (str_cmp(arg, "all") && str_prefix("all.", arg))
        {
                if ((obj = get_obj_wear(ch, arg, TRUE)) != NULL)
                {
                        unequip_char(ch, obj);
                        extract_obj(obj);
                        return;
                }
                if ((obj = get_obj_carry(ch, arg, ch)) == NULL)
                        return;
                extract_obj(obj);
        }
        else
                for (obj = ch->carrying; obj != NULL; obj = obj_next)
                {
                        obj_next = obj->next_content;
                        if (arg[3] == '\0' || is_name(&arg[4], obj->name))
                        {
                                if (obj->wear_loc != WEAR_NONE)
                                        unequip_char(ch, obj);
                                extract_obj(obj);
                        }
                }

        return;

}

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

void do_mpechoaround(CHAR_DATA * ch, 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(ch, NULL, arg)) == NULL)
                return;

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

/*
 * Prints the message to only the victim
 *
 * Syntax: mob echoat [victim] [string]
 */
void do_mpechoat(CHAR_DATA * ch, 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(ch, NULL, arg)) == NULL)
                return;

        act(argument, ch, NULL, victim, TO_VICT);
}

/*
 * Prints the message to the room at large
 *
 * Syntax: mpecho [string]
 */
void do_mpecho(CHAR_DATA * ch, char *argument)
{
        if (argument[0] == '\0')
                return;
        act(argument, ch, NULL, NULL, TO_ROOM);
}

/*
 * Lets the mobile load another mobile.
 *
 * Syntax: mob mload [vnum]
 */
void do_mpmload(CHAR_DATA * ch, char *argument)
{
        char      arg[MAX_INPUT_LENGTH];
        MOB_INDEX_DATA *pMobIndex;
        CHAR_DATA *victim;
        int       vnum;

        one_argument(argument, arg);

        if (ch->in_room == NULL || arg[0] == '\0' || !is_number(arg))
                return;

        vnum = atoi(arg);
        if ((pMobIndex = get_mob_index(vnum)) == NULL)
        {
                xprintf(arg, "Mpmload: bad mob index (%d) from mob %d",
                        vnum, IS_NPC(ch) ? ch->pIndexData->vnum : 0);
                bug(arg, 0);
                return;
        }
        victim = create_mobile(pMobIndex);
        char_to_room(victim, ch->in_room);
        return;
}

/*
 * Lets the mobile load an object
 *
 * Syntax: mob oload [vnum] [level] {R}
 */
void do_mpoload(CHAR_DATA * ch, char *argument)
{
        char      arg1[MAX_INPUT_LENGTH];
        char      arg2[MAX_INPUT_LENGTH];
        char      arg3[MAX_INPUT_LENGTH];
        OBJ_INDEX_DATA *pObjIndex;
        OBJ_DATA *obj;
        int       level;
        bool      fToroom = FALSE, fWear = FALSE;

        argument = one_argument(argument, arg1);
        argument = one_argument(argument, arg2);
        one_argument(argument, arg3);

        if (arg1[0] == '\0' || !is_number(arg1))
        {
                bug("Mpoload - Bad syntax from vnum %d.",
                    IS_NPC(ch) ? ch->pIndexData->vnum : 0);
                return;
        }

        if (arg2[0] == '\0')
        {
                level = get_trust(ch);
        }
        else
        {
                /*
                 * New feature from Alander.
                 */
                if (!is_number(arg2))
                {
                        bug("Mpoload - Bad syntax from vnum %d.",
                            IS_NPC(ch) ? ch->pIndexData->vnum : 0);
                        return;
                }
                level = atoi(arg2);
                if (level < 0 || level > get_trust(ch))
                {
                        bug("Mpoload - Bad level from vnum %d.",
                            IS_NPC(ch) ? ch->pIndexData->vnum : 0);
                        return;
                }
        }

        /*
         * Added 3rd argument
         * omitted - load to mobile's inventory
         * 'R'     - load to room
         * 'W'     - load to mobile and force wear
         */
        if (arg3[0] == 'R' || arg3[0] == 'r')
                fToroom = TRUE;
        else if (arg3[0] == 'W' || arg3[0] == 'w')
                fWear = TRUE;

        if ((pObjIndex = get_obj_index(atoi(arg1))) == NULL)
        {
                bug("Mpoload - Bad vnum arg from vnum %d.",
                    IS_NPC(ch) ? ch->pIndexData->vnum : 0);
                return;
        }

        obj = create_object(pObjIndex, level);
        if ((fWear || !fToroom) && CAN_WEAR(obj, ITEM_TAKE))
        {
                obj_to_char(obj, ch);
                if (fWear)
                        wear_obj(ch, obj, TRUE);
        }
        else
        {
                obj_to_room(obj, ch->in_room);
        }

        return;
}

/*
 * Lets the mobile purge all objects and other npcs in the room,
 * or purge a specified object or mob in the room. The mobile cannot
 * purge itself for safety reasons.
 *
 * syntax mob purge {target}
 */
void do_mppurge(CHAR_DATA * ch, 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 = ch->in_room->people; victim != NULL;
                     victim = vnext)
                {
                        vnext = victim->next_in_room;
                        if (IS_NPC(victim) && victim != ch)
                                extract_char(victim, TRUE);
                }

                for (obj = ch->in_room->contents; obj != NULL; obj = obj_next)
                {
                        obj_next = obj->next_content;
                        extract_obj(obj);
                }

                return;
        }

        if ((victim = get_char_room(ch, NULL, arg)) == NULL)
        {
                if ((obj = get_obj_here(ch, NULL, arg)))
                {
                        extract_obj(obj);
                }
                else
                {
                        bug("Mppurge - Bad argument from vnum %d.",
                            IS_NPC(ch) ? ch->pIndexData->vnum : 0);
                }
                return;
        }

        if (!IS_NPC(victim))
        {
                bug("Mppurge - Purging a PC from vnum %d.",
                    IS_NPC(ch) ? ch->pIndexData->vnum : 0);
                return;
        }
        extract_char(victim, TRUE);
        return;
}


/*
 * Lets the mobile goto any location it wishes that is not private.
 *
 * Syntax: mob goto [location]
 */
void do_mpgoto(CHAR_DATA * ch, char *argument)
{
        char      arg[MAX_INPUT_LENGTH];
        ROOM_INDEX_DATA *location;

        one_argument(argument, arg);
        if (arg[0] == '\0')
        {
                bug("Mpgoto - No argument from vnum %d.",
                    IS_NPC(ch) ? ch->pIndexData->vnum : 0);
                return;
        }

        if ((location = find_location(ch, arg)) == NULL)
        {
                bug("Mpgoto - No such location from vnum %d.",
                    IS_NPC(ch) ? ch->pIndexData->vnum : 0);
                return;
        }

        if (ch->fighting != NULL)
                stop_fighting(ch, TRUE);

        char_from_room(ch);
        char_to_room(ch, location);

        return;
}

/* 
 * Lets the mobile do a command at another location.
 *
 * Syntax: mob at [location] [commands]
 */
void do_mpat(CHAR_DATA * ch, char *argument)
{
        char      arg[MAX_INPUT_LENGTH];
        ROOM_INDEX_DATA *location;
        ROOM_INDEX_DATA *original;
        CHAR_DATA *wch;
        OBJ_DATA *on;

        argument = one_argument(argument, arg);

        if (arg[0] == '\0' || argument[0] == '\0')
        {
                bug("Mpat - Bad argument from vnum %d.",
                    IS_NPC(ch) ? ch->pIndexData->vnum : 0);
                return;
        }

        if ((location = find_location(ch, arg)) == NULL)
        {
                bug("Mpat - No such location from vnum %d.",
                    IS_NPC(ch) ? ch->pIndexData->vnum : 0);
                return;
        }

        original = ch->in_room;
        on = ch->on;
        char_from_room(ch);
        char_to_room(ch, location);
        interpret(ch, argument);

        /*
         * See if 'ch' still exists before continuing!
         * Handles 'at XXXX quit' case.
         */
        for (wch = char_list; wch != NULL; wch = wch->next)
        {
                if (wch == ch)
                {
                        char_from_room(ch);
                        char_to_room(ch, original);
                        ch->on = on;
                        break;
                }
        }

        return;
}

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

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

        if (arg1[0] == '\0')
        {
                bug("Mptransfer - Bad syntax from vnum %d.",
                    IS_NPC(ch) ? ch->pIndexData->vnum : 0);
                return;
        }

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

                for (victim = ch->in_room->people; victim != NULL;
                     victim = victim_next)
                {
                        victim_next = victim->next_in_room;
                        if (!IS_NPC(victim))
                        {
                                xprintf(buf, "%s %s", victim->name, arg2);
                                do_mptransfer(ch, buf);
                        }
                }
                return;
        }

        /*
         * Thanks to Grodyn for the optional location parameter.
         */
        if (arg2[0] == '\0')
        {
                location = ch->in_room;
        }
        else
        {
                if ((location = find_location(ch, arg2)) == NULL)
                {
                        bug("Mptransfer - No such location from vnum %d.",
                            IS_NPC(ch) ? ch->pIndexData->vnum : 0);
                        return;
                }

                if (room_is_private(location))
                        return;
        }

        if ((victim = get_char_world(ch, 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 mobile transfer all chars in same group as the victim.
 *
 * Syntax: mob gtransfer [victim] [location]
 */
void do_mpgtransfer(CHAR_DATA * ch, 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("Mpgtransfer - Bad syntax from vnum %d.",
                    IS_NPC(ch) ? ch->pIndexData->vnum : 0);
                return;
        }

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

        for (victim = ch->in_room->people; victim; victim = victim_next)
        {
                victim_next = victim->next_in_room;
                if (is_same_group(who, victim))
                {
                        xprintf(buf, "%s %s", victim->name, arg2);
                        do_mptransfer(ch, buf);
                }
        }
        return;
}

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

        argument = one_argument(argument, arg);

        if (arg[0] == '\0' || argument[0] == '\0')
        {
                bug("Mpforce - Bad syntax from vnum %d.",
                    IS_NPC(ch) ? ch->pIndexData->vnum : 0);
                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 == ch->in_room
                            && get_trust(vch) < get_trust(ch)
                            && can_see(ch, vch))
                        {
                                interpret(vch, argument);
                        }
                }
        }
        else
        {
                CHAR_DATA *victim;

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

                if (victim == ch)
                        return;

                interpret(victim, argument);
        }

        return;
}

/*
 * Lets the mobile force a group something. Must be mortal level.
 *
 * Syntax: mob gforce [victim] [commands]
 */
void do_mpgforce(CHAR_DATA * ch, 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("MpGforce - Bad syntax from vnum %d.",
                    IS_NPC(ch) ? ch->pIndexData->vnum : 0);
                return;
        }

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

        if (victim == ch)
                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 (except ch)
 *
 * Syntax: mob vforce [vnum] [commands]
 */
void do_mpvforce(CHAR_DATA * ch, 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("MpVforce - Bad syntax from vnum %d.",
                    IS_NPC(ch) ? ch->pIndexData->vnum : 0);
                return;
        }

        if (!is_number(arg))
        {
                bug("MpVforce - Non-number argument vnum %d.",
                    IS_NPC(ch) ? ch->pIndexData->vnum : 0);
                return;
        }

        vnum = atoi(arg);

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


/*
 * Lets the mobile cast spells --
 * Beware: this does only crude checking on the target validity
 * and does not account for mana etc., so you should do all the
 * necessary checking in your mob program before issuing this cmd!
 *
 * Syntax: mob cast [spell] {target}
 */

void do_mpcast(CHAR_DATA * ch, char *argument)
{
        CHAR_DATA *vch;
        OBJ_DATA *obj;
        void     *victim = NULL;
        char      spell[MAX_INPUT_LENGTH], target[MAX_INPUT_LENGTH];
        int       sn;

        argument = one_argument(argument, spell);
        one_argument(argument, target);

        if (spell[0] == '\0')
        {
                bug("MpCast - Bad syntax from vnum %d.",
                    IS_NPC(ch) ? ch->pIndexData->vnum : 0);
                return;
        }

        if ((sn = skill_lookup(spell)) < 0)
        {
                bug("MpCast - No such spell from vnum %d.",
                    IS_NPC(ch) ? ch->pIndexData->vnum : 0);
                return;
        }
        vch = get_char_room(ch, NULL, target);
        obj = get_obj_here(ch, NULL, target);
        switch (skill_table[sn].target)
        {
        default:
                return;
        case TAR_IGNORE:
                break;
        case TAR_CHAR_OFFENSIVE:
                if (vch == NULL || vch == ch)
                        return;
                victim = (void *) vch;
                break;
        case TAR_CHAR_DEFENSIVE:
                victim = vch == NULL ? (void *) ch : (void *) vch;
                break;
        case TAR_CHAR_SELF:
                victim = (void *) ch;
                break;
        case TAR_OBJ_CHAR_DEF:
        case TAR_OBJ_CHAR_OFF:
        case TAR_OBJ_INV:
                if (obj == NULL)
                        return;
                victim = (void *) obj;
        }
        (*skill_table[sn].spell_fun) (sn, ch->level, ch, victim);
        return;
}

/*
 * Lets mob cause unconditional damage to someone. Nasty, use with caution.
 * Also, this is silent, you must show your own damage message...
 *
 * Syntax: mob damage [victim] [min] [max] {kill}
 */
void do_mpdamage(CHAR_DATA * ch, 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("MpDamage - Bad syntax from vnum %d.",
                    IS_NPC(ch) ? ch->pIndexData->vnum : 0);
                return;
        }
        if (!str_cmp(target, "all"))
                fAll = TRUE;
        else if ((victim = get_char_room(ch, NULL, target)) == NULL)
                return;

        if (is_number(min))
                low = atoi(min);
        else
        {
                bug("MpDamage - Bad damage min vnum %d.",
                    IS_NPC(ch) ? ch->pIndexData->vnum : 0);
                return;
        }
        if (is_number(max))
                high = atoi(max);
        else
        {
                bug("MpDamage - Bad damage max vnum %d.",
                    IS_NPC(ch) ? ch->pIndexData->vnum : 0);
                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 = ch->in_room->people; victim;
                     victim = victim_next)
                {
                        victim_next = victim->next_in_room;
                        if (victim != ch)
                                damage(victim, victim,
                                       fKill ?
                                       number_range(low,
                                                    high) : UMIN(victim->hit,
                                                                 number_range
                                                                 (low, high)),
                                       TYPE_UNDEFINED);
                }
        }
        else
                damage(victim, victim,
                       fKill ?
                       number_range(low, high) : UMIN(victim->hit,
                                                      number_range(low,
                                                                   high)),
                       TYPE_UNDEFINED);
        return;
}

/*
 * Lets the mobile to remember a target. The target can be referred to
 * with $q and $Q codes in MOBprograms. See also "mob forget".
 *
 * Syntax: mob remember [victim]
 */
void do_mpremember(CHAR_DATA * ch, char *argument)
{
        char      arg[MAX_INPUT_LENGTH];

        one_argument(argument, arg);
        if (arg[0] != '\0')
                ch->mprog_target = get_char_world(ch, arg);
        else
                bug("MpRemember: missing argument from vnum %d.",
                    IS_NPC(ch) ? ch->pIndexData->vnum : 0);
}

/*
 * Reverse of "mob remember".
 *
 * Syntax: mob forget
 */
void do_mpforget(CHAR_DATA * ch, char *argument)
{
        ch->mprog_target = NULL;
}

/*
 * Sets a delay for MOBprogram execution. When the delay time expires,
 * the mobile is checked for a MObprogram with DELAY trigger, and if
 * one is found, it is executed. Delay is counted in PULSE_MOBILE
 *
 * Syntax: mob delay [pulses]
 */
void do_mpdelay(CHAR_DATA * ch, char *argument)
{
        char      arg[MAX_INPUT_LENGTH];

        one_argument(argument, arg);
        if (!is_number(arg))
        {
                bug("MpDelay: invalid arg from vnum %d.",
                    IS_NPC(ch) ? ch->pIndexData->vnum : 0);
                return;
        }
        ch->mprog_delay = atoi(arg);
}

/*
 * Reverse of "mob delay", deactivates the timer.
 *
 * Syntax: mob cancel
 */
void do_mpcancel(CHAR_DATA * ch, char *argument)
{
        ch->mprog_delay = -1;
}

/*
 * Lets the mobile to call another MOBprogram withing a MOBprogram.
 * 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 same room with the
 * mobile.
 *
 * Syntax: mob call [vnum] [victim|'null'] [object1|'null'] [object2|'null']
 *
 */
void do_mpcall(CHAR_DATA * ch, char *argument)
{
        char      arg[MAX_INPUT_LENGTH];
        CHAR_DATA *vch;
        OBJ_DATA *obj1, *obj2;
        PROG_CODE *prg;

        //extern void program_flow( int, char *, CHAR_DATA *, OBJ_DATA *, ROOM_INDEX_DATA *, CHAR_DATA *, void *, void *,int );

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

/*
 * Forces the mobile to flee.
 *
 * Syntax: mob flee
 *
 */
void do_mpflee(CHAR_DATA * ch, char *argument)
{
        ROOM_INDEX_DATA *was_in;
        EXIT_DATA *pexit;
        int       door, attempt;

        if (ch->fighting != NULL)
                return;

        if ((was_in = ch->in_room) == NULL)
                return;

        for (attempt = 0; attempt < 6; attempt++)
        {
                door = number_door();
                if ((pexit = was_in->exit[door]) == 0
                    || pexit->u1.to_room == NULL
                    || IS_SET(pexit->exit_info, EX_CLOSED)
                    || (IS_NPC(ch)
                        && IS_SET(pexit->u1.to_room->room_flags,
                                  ROOM_NO_MOB)))
                        continue;

                move_char(ch, door);
                if (ch->in_room != was_in)
                        return;
        }
}

/*
 * Lets the mobile to transfer an object. The object must be in the same
 * room with the mobile.
 *
 * Syntax: mob otransfer [item name] [location]
 */
void do_mpotransfer(CHAR_DATA * ch, char *argument)
{
        OBJ_DATA *obj;
        ROOM_INDEX_DATA *location;
        char      arg[MAX_INPUT_LENGTH];
        char      buf[MAX_INPUT_LENGTH];

        argument = one_argument(argument, arg);
        if (arg[0] == '\0')
        {
                bug("MpOTransfer - Missing argument from vnum %d.",
                    IS_NPC(ch) ? ch->pIndexData->vnum : 0);
                return;
        }
        one_argument(argument, buf);
        if ((location = find_location(ch, buf)) == NULL)
        {
                bug("MpOTransfer - No such location from vnum %d.",
                    IS_NPC(ch) ? ch->pIndexData->vnum : 0);
                return;
        }
        if ((obj = get_obj_here(ch, NULL, arg)) == NULL)
                return;
        if (obj->carried_by == NULL)
                obj_from_room(obj);
        else
        {
                if (obj->wear_loc != WEAR_NONE)
                        unequip_char(ch, obj);
                obj_from_char(obj);
        }
        obj_to_room(obj, location);
}

void do_mprandsoc(CHAR_DATA * ch, char *argument)
{
        CHAR_DATA *victim = NULL;
        int       randnum = 0;
        int       iSocial;

        for (iSocial = 0; social_table[iSocial].name[0] != '\0'; iSocial++)
                ;

        randnum = number_range(0, iSocial - 1);

        if (argument[0] == '\0')
        {
                act(social_table[randnum].others_no_arg, ch, NULL, victim,
                    TO_ROOM);
                act(social_table[randnum].char_no_arg, ch, NULL, victim,
                    TO_CHAR);
        }
        else if ((victim = get_char_room(ch, NULL, argument)) == NULL)
        {
                send_to_char("They aren't here.\n\r", ch);
        }
        else if (victim == ch)
        {
                act(social_table[randnum].others_auto, ch, NULL, victim,
                    TO_ROOM);
                act(social_table[randnum].char_auto, ch, NULL, victim,
                    TO_CHAR);
        }
        else
        {
                act(social_table[randnum].others_found, ch, NULL, victim,
                    TO_NOTVICT);
                act(social_table[randnum].char_found, ch, NULL, victim,
                    TO_CHAR);
                act(social_table[randnum].vict_found, ch, NULL, victim,
                    TO_VICT);

                if (IS_NPC(victim)
                    && !IS_AFFECTED(victim, AFF_CHARM)
                    && IS_AWAKE(victim) && victim->desc == NULL)
                {
                        switch (number_bits(4))
                        {
                        case 0:

                        case 1:
                        case 2:
                        case 3:
                        case 4:
                        case 5:
                        case 6:
                        case 7:
                        case 8:
                                act(social_table[randnum].others_found,
                                    victim, NULL, ch, TO_NOTVICT);
                                act(social_table[randnum].char_found,
                                    victim, NULL, ch, TO_CHAR);
                                act(social_table[randnum].vict_found,
                                    victim, NULL, ch, TO_VICT);
                                break;

                        case 9:
                        case 10:
                        case 11:
                        case 12:
                                act("$n slaps $N.", victim, NULL, ch,
                                    TO_NOTVICT);
                                act("You slap $N.", victim, NULL, ch,
                                    TO_CHAR);
                                act("$n slaps you.", victim, NULL, ch,
                                    TO_VICT);
                                break;
                        }
                }
        }
}

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

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

        one_argument(argument, arg);
        if (!str_cmp(arg, "all"))
                fAll = TRUE;
        else if (!is_number(arg))
        {
                bug("MpRemove: Invalid object from vnum %d.",
                    IS_NPC(ch) ? ch->pIndexData->vnum : 0);
                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);
                }
        }
}

/*
 * OBJprog section
 */
void do_obj(OBJ_DATA * obj, char *argument)
{
        /*
         * Security check!
         */
        //if ( obj->level < MAX_LEVEL )
        //return;
        obj_interpret(obj, argument);
}

/*
 * Obj command interpreter. Implemented separately for security and speed
 * reasons. A trivial hack of interpret()
 */
void obj_interpret(OBJ_DATA * obj, 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; obj_cmd_table[cmd].name[0] != '\0'; cmd++)
        {
                if (command[0] == obj_cmd_table[cmd].name[0]
                    && !str_prefix(command, obj_cmd_table[cmd].name))
                {
                        (*obj_cmd_table[cmd].obj_fun) (obj, argument);
                        tail_chain();
                        return;
                }
        }
        xprintf(buf, "Obj_interpret: invalid cmd from obj %d: '%s'",
                obj->pIndexData->vnum, command);
        bug(buf, 0);
}

/* 
 * Displays OBJprogram triggers of an object
 *
 * Syntax: opstat [name]
 */
void do_opstat(CHAR_DATA * ch, char *argument)
{
        char      arg[MAX_STRING_LENGTH];
        PROG_LIST *oprg;
        OBJ_DATA *obj;
        int       i;

        one_argument(argument, arg);

        if (arg[0] == '\0')
        {
                send_to_char("Opstat what?\n\r", ch);
                return;
        }

        if ((obj = get_obj_world(ch, arg)) == NULL)
        {
                send_to_char("No such object.\n\r", ch);
                return;
        }

        xprintf(arg, "Object #%-6d [%s]\n\r",
                obj->pIndexData->vnum, obj->short_descr);
        send_to_char(arg, ch);

        xprintf(arg, "Delay   %-6d [%s]\n\r",
                obj->oprog_delay,
                obj->oprog_target == NULL
                ? "No target" : obj->oprog_target->name);
        send_to_char(arg, ch);

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

        for (i = 0, oprg = obj->pIndexData->oprogs; oprg != NULL;
             oprg = oprg->next)

        {
                xprintf(arg,
                        "[%2d] Trigger [%-8s] Program [%4d] Phrase [%s]\n\r",
                        ++i, prog_type_to_name(oprg->trig_type), oprg->vnum,
                        oprg->trig_phrase);
                send_to_char(arg, ch);
        }

        return;

}

/*
 * Displays the source code of a given OBJprogram
 *
 * Syntax: opdump [vnum]
 */
void do_opdump(CHAR_DATA * ch, char *argument)
{
        char      buf[MAX_INPUT_LENGTH];
        PROG_CODE *oprg;

        one_argument(argument, buf);
        if ((oprg = get_prog_index(atoi(buf), PRG_OPROG)) == NULL)
        {
                send_to_char("No such OBJprogram.\n\r", ch);
                return;
        }
        pager_to_char(oprg->code, ch);
}

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

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

        for (d = descriptor_list; d; d = d->next)
        {
                if (d->connected == CON_PLAYING)
                {
                        if (IS_IMMORTAL(d->character))
                                send_to_char("Obj 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 mob
 *
 * Syntax: obj zecho [string]
 */
void do_opzecho(OBJ_DATA * obj, char *argument)
{
        DESCRIPTOR_DATA *d;

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

        if (obj->in_room == NULL
            && (obj->carried_by == NULL || obj->carried_by->in_room == NULL))
                return;

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

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

void do_opechoaround(OBJ_DATA * obj, char *argument)
{
        char      arg[MAX_INPUT_LENGTH];
        CHAR_DATA *victim, *vch;

        argument = one_argument(argument, arg);

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

        if ((victim =
             get_char_room2(NULL,
                            obj->in_room ? obj->in_room : obj->carried_by->
                            in_room, arg)) == NULL)
                return;

        if (obj->in_room && obj->in_room->people)
                vch = obj->in_room->people;
        else if (obj->carried_by && obj->carried_by->in_room)
                vch = obj->carried_by->in_room->people;
        else
                vch = NULL;

        for (; vch; vch = vch->next_in_room)
        {
                if (vch == victim)
                        continue;
                send_to_char(argument, vch);
        }
}

/*
 * Prints the message to only the victim
 *
 * Syntax: obj echoat [victim] [string]
 */
void do_opechoat(OBJ_DATA * obj, 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_room2(NULL,
                            obj->in_room ? obj->in_room : obj->carried_by->
                            in_room, arg)) == NULL)
                return;

        act(argument,
            obj->carried_by ? obj->carried_by : obj->in_room->people, obj,
            victim, TO_VICT);
}

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

        if (!obj->carried_by && !obj->in_room->people)
                return;

        act(argument,
            obj->carried_by ? obj->carried_by : obj->in_room->people, NULL,
            NULL, TO_ROOM);
        act(argument,
            obj->carried_by ? obj->carried_by : obj->in_room->people, NULL,
            NULL, TO_CHAR);
}

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

        one_argument(argument, arg);

        if ((obj->in_room == NULL
             && (obj->carried_by == NULL || obj->carried_by->in_room == NULL))
            || arg[0] == '\0' || !is_number(arg))
                return;

        vnum = atoi(arg);
        if ((pMobIndex = get_mob_index(vnum)) == NULL)
        {
                xprintf(arg, "Opmload: bad mob index (%d) from obj %d",
                        vnum, obj->pIndexData->vnum);
                bug(arg, 0);
                return;
        }
        victim = create_mobile(pMobIndex);
        char_to_room(victim,
                     obj->in_room ? obj->in_room : obj->carried_by->in_room);
        return;
}

/*
 * Lets the object load another object
 *
 * Syntax: obj oload [vnum] [level]
 */
void do_opoload(OBJ_DATA * obj, char *argument)
{
        char      arg1[MAX_INPUT_LENGTH];
        char      arg2[MAX_INPUT_LENGTH];
        OBJ_INDEX_DATA *pObjIndex;
        OBJ_DATA *nobj;
        int       level;

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

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

        if (arg2[0] == '\0')
        {
                level = obj->level;
        }
        else
        {
                /*
                 * New feature from Alander.
                 */
                if (!is_number(arg2))
                {
                        bug("Opoload - Bad syntax from vnum %d.",
                            obj->pIndexData->vnum);
                        return;
                }
                level = atoi(arg2);
                if (level < 0 || level > obj->level)
                {
                        bug("Opoload - Bad level from vnum %d.",
                            obj->pIndexData->vnum);
                        return;
                }
        }

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

        nobj = create_object(pObjIndex, level);
        obj_to_room(nobj,
                    obj->in_room ? obj->in_room : obj->carried_by->in_room);

        return;
}

/*
 * Lets the object purge all other objects and npcs in the room,
 * or purge a specified object or mob in the room. The object cannot
 * purge itself for safety reasons.
 *
 * syntax obj purge {target}
 */
void do_oppurge(OBJ_DATA * obj, char *argument)
{
        char      arg[MAX_INPUT_LENGTH];
        CHAR_DATA *victim;
        OBJ_DATA *vobj;

        one_argument(argument, arg);

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

                if (obj->in_room && obj->in_room->people)
                        victim = obj->in_room->people;
                else if (obj->carried_by && obj->carried_by->in_room)
                        victim = obj->carried_by->in_room->people;
                else
                        victim = NULL;

                for (; victim != NULL; victim = vnext)
                {
                        vnext = victim->next_in_room;
                        if (IS_NPC(victim))
                                extract_char(victim, TRUE);
                }

                if (obj->in_room)
                        vobj = obj->in_room->contents;
                else
                        vobj = obj->carried_by->in_room->contents;

                for (; vobj != NULL; vobj = obj_next)
                {
                        obj_next = vobj->next_content;
                        if (vobj != obj)
                                extract_obj(vobj);
                }

                return;
        }

        if ((victim =
             get_char_room2(NULL,
                            obj->in_room ? obj->in_room : obj->carried_by->
                            in_room, arg)) == NULL)
        {
                if ((vobj =
                     get_obj_here(NULL,
                                  obj->in_room ? obj->in_room : obj->
                                  carried_by->in_room, arg)))
                {
                        extract_obj(vobj);
                }
                else if (obj->carried_by
                         && (vobj =
                             get_obj_carry(obj->carried_by, arg,
                                           NULL)) != NULL)
                {
                        extract_obj(vobj);
                }
                else if (obj->carried_by
                         && (vobj =
                             get_obj_wear(obj->carried_by, arg,
                                          FALSE)) != NULL)
                {
                        unequip_char(vobj->carried_by, vobj);
                        extract_obj(vobj);
                }
                else
                {
                        bug("Oppurge - Bad argument from vnum %d.",
                            obj->pIndexData->vnum);
                }
                return;
        }

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


/*
 * Lets the object goto any location it wishes that is not private.
 *
 * Syntax: obj goto [location]
 */
void do_opgoto(OBJ_DATA * obj, char *argument)
{
        char      arg[MAX_INPUT_LENGTH];
        ROOM_INDEX_DATA *location;
        CHAR_DATA *victim;
        OBJ_DATA *dobj;

        one_argument(argument, arg);
        if (arg[0] == '\0')
        {
                bug("Opgoto - No argument from vnum %d.",
                    obj->pIndexData->vnum);
                return;
        }

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

        if (obj->in_room != NULL)
                obj_from_room(obj);
        else if (obj->carried_by != NULL)
                obj_from_char(obj);
        obj_to_room(obj, location);

        return;
}

/*
 * Lets the object transfer people.  The 'all' argument transfers
 *  everyone in the current room to the specified location
 *
 * Syntax: obj transfer [target|'all'] [location]
 */
void do_optransfer(OBJ_DATA * obj, 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 *dobj;

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

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

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

                if (obj->in_room && obj->in_room->people)
                        victim = obj->in_room->people;
                else if (obj->carried_by)
                        victim = obj->carried_by->in_room->people;
                else
                        victim = NULL;
                for (; victim != NULL; victim = victim_next)
                {
                        victim_next = victim->next_in_room;
                        if (!IS_NPC(victim))
                        {
                                xprintf(buf, "%s %s", victim->name, arg2);
                                do_optransfer(obj, buf);
                        }
                }
                return;
        }

        /*
         * Thanks to Grodyn for the optional location parameter.
         */
        if (arg2[0] == '\0')
        {
                location =
                        obj->in_room ? obj->in_room : obj->carried_by->
                        in_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 ((dobj = get_obj_world(NULL, arg2)) != NULL)
                        location = dobj->in_room;
                else
                {
                        bug("Optransfer - No such location from vnum %d.",
                            obj->pIndexData->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 object transfer all chars in same group as the victim.
 *
 * Syntax: obj gtransfer [victim] [location]
 */
void do_opgtransfer(OBJ_DATA * obj, 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("Opgtransfer - Bad syntax from vnum %d.",
                    obj->pIndexData->vnum);
                return;
        }

        if ((who =
             get_char_room2(NULL,
                            (obj->in_room) ? obj->in_room : obj->carried_by->
                            in_room, arg1)) == NULL)
                return;

        if (obj->in_room && obj->in_room->people)
                victim = obj->in_room->people;
        else if (obj->carried_by && obj->carried_by->in_room)
                victim = obj->carried_by->in_room->people;
        else
                victim = NULL;

        for (; victim; victim = victim_next)
        {
                victim_next = victim->next_in_room;
                if (is_same_group(who, victim))
                {
                        xprintf(buf, "%s %s", victim->name, arg2);
                        do_optransfer(obj, buf);
                }
        }
        return;
}

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

        argument = one_argument(argument, arg);

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

        if (!obj->in_room && !obj->carried_by)
                return;
        if (obj->in_room && !obj->in_room->people)
                return;
        if (obj->carried_by && !obj->carried_by->in_room)
                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 (((obj->in_room && vch->in_room == obj->in_room)
                             || (obj->carried_by
                                 && vch->in_room == obj->carried_by->in_room))
                            && get_trust(vch) < obj->level)
                        {
                                interpret(vch, argument);
                        }
                }
        }
        else
        {
                CHAR_DATA *victim;

                if ((victim =
                     get_char_room2(NULL,
                                    (obj->in_room) ? obj->in_room : obj->
                                    carried_by->in_room, arg)) == NULL)
                        return;

                interpret(victim, argument);
        }

        return;
}

/*
 * Lets the object force a group something. Must be mortal level.
 *
 * Syntax: obj gforce [victim] [commands]
 */
void do_opgforce(OBJ_DATA * obj, 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("OpGforce - Bad syntax from vnum %d.",
                    obj->pIndexData->vnum);
                return;
        }

        if ((victim =
             get_char_room2(NULL,
                            obj->in_room ? obj->in_room : obj->carried_by->
                            in_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: obj vforce [vnum] [commands]
 */
void do_opvforce(OBJ_DATA * obj, 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("OpVforce - Bad syntax from vnum %d.",
                    obj->pIndexData->vnum);
                return;
        }

        if (!is_number(arg))
        {
                bug("OpVforce - Non-number argument vnum %d.",
                    obj->pIndexData->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 obj cause unconditional damage to someone. Nasty, use with caution.
 * Also, this is silent, you must show your own damage message...
 *
 * Syntax: obj damage [victim] [min] [max] {kill}
 */
void do_opdamage(OBJ_DATA * obj, 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("OpDamage - Bad syntax from vnum %d.",
                    obj->pIndexData->vnum);
                return;
        }
        if (!str_cmp(target, "all"))
                fAll = TRUE;
        else if ((victim =
                  get_char_room2(NULL,
                                 obj->in_room ? obj->in_room : obj->
                                 carried_by->in_room, target)) == NULL)
                return;

        if (is_number(min))
                low = atoi(min);
        else
        {
                bug("OpDamage - Bad damage min vnum %d.",
                    obj->pIndexData->vnum);
                return;
        }
        if (is_number(max))
                high = atoi(max);
        else
        {
                bug("OpDamage - Bad damage max vnum %d.",
                    obj->pIndexData->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)
        {
                if (obj->in_room && obj->in_room->people)
                        victim = obj->in_room->people;
                else if (obj->carried_by)
                        victim = obj->carried_by->in_room->people;
                else
                        victim = NULL;

                for (; victim; victim = victim_next)
                {
                        victim_next = victim->next_in_room;
                        if (obj->carried_by && victim != obj->carried_by)
                                damage(victim, victim,
                                       fKill ?
                                       number_range(low,
                                                    high) : UMIN(victim->hit,
                                                                 number_range
                                                                 (low, high)),
                                       TYPE_UNDEFINED);
                }
        }
        else
                damage(victim, victim,
                       fKill ?
                       number_range(low, high) : UMIN(victim->hit,
                                                      number_range(low,
                                                                   high)),
                       TYPE_UNDEFINED);
        return;
}

/*
 * Lets the object to remember a target. The target can be referred to
 * with $q and $Q codes in OBJprograms. See also "obj forget".
 *
 * Syntax: obj remember [victim]
 */
void do_opremember(OBJ_DATA * obj, char *argument)
{
        char      arg[MAX_INPUT_LENGTH];

        one_argument(argument, arg);
        if (arg[0] != '\0')
                obj->oprog_target = get_char_world(NULL, arg);
        else
                bug("OpRemember: missing argument from vnum %d.",
                    obj->pIndexData->vnum);
}

/*
 * Reverse of "obj remember".
 *
 * Syntax: obj forget
 */
void do_opforget(OBJ_DATA * obj, char *argument)
{
        obj->oprog_target = NULL;
}

/*
 * Sets a delay for OBJprogram execution. When the delay time expires,
 * the object is checked for a OBJprogram with DELAY trigger, and if
 * one is found, it is executed. Delay is counted in PULSE_TICK
 *
 * Syntax: obj delay [pulses]
 */
void do_opdelay(OBJ_DATA * obj, char *argument)
{
        char      arg[MAX_INPUT_LENGTH];

        one_argument(argument, arg);
        if (!is_number(arg))
        {
                bug("OpDelay: invalid arg from vnum %d.",
                    obj->pIndexData->vnum);
                return;
        }
        obj->oprog_delay = atoi(arg);
}

/*
 * Reverse of "obj delay", deactivates the timer.
 *
 * Syntax: obj cancel
 */
void do_opcancel(OBJ_DATA * obj, char *argument)
{
        obj->oprog_delay = -1;
}

/*
 * Lets the object to call another OBJprogram withing a OBJprogram.
 * 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 same room with the
 * mobile.
 *
 * Syntax: obj call [vnum] [victim|'null'] [object1|'null'] [object2|'null']
 *
 */
void do_opcall(OBJ_DATA * obj, char *argument)
{
        char      arg[MAX_INPUT_LENGTH];
        CHAR_DATA *vch;
        OBJ_DATA *obj1, *obj2;
        PROG_CODE *prg;

        //extern void program_flow( 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("OpCall: missing arguments from vnum %d.",
                    obj->pIndexData->vnum);
                return;
        }
        if ((prg = get_prog_index(atoi(arg), PRG_OPROG)) == NULL)
        {
                bug("OpCall: invalid prog from vnum %d.",
                    obj->pIndexData->vnum);
                return;
        }
        vch = NULL;
        obj1 = obj2 = NULL;
        argument = one_argument(argument, arg);
        if (arg[0] != '\0')
                vch = get_char_room2(NULL,
                                     obj->in_room ? obj->in_room : obj->
                                     carried_by->in_room, arg);
        argument = one_argument(argument, arg);
        if (arg[0] != '\0')
                obj1 = get_obj_here(NULL,
                                    obj->in_room ? obj->in_room : obj->
                                    carried_by->in_room, arg);
        argument = one_argument(argument, arg);
        if (arg[0] != '\0')
                obj2 = get_obj_here(NULL,
                                    obj->in_room ? obj->in_room : obj->
                                    carried_by->in_room, arg);
        program_flow(prg->vnum, prg->code, NULL, obj, NULL, vch,
                     (void *) obj1, (void *) obj2, 1);
}

/*
 * Lets the object to transfer an object. The object must be in the same
 * room with the object.
 *
 * Syntax: obj otransfer [item name] [location]
 */
void do_opotransfer(OBJ_DATA * obj, char *argument)
{
        OBJ_DATA *obj1, *dobj;
        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("OpOTransfer - Missing argument from vnum %d.",
                    obj->pIndexData->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 ((dobj = get_obj_world(NULL, arg)) != NULL)
                location = dobj->in_room;
        else
        {
                bug("OpOTransfer - No such location from vnum %d.",
                    obj->pIndexData->vnum);
                return;
        }

        if ((obj1 =
             get_obj_here(NULL,
                          obj->in_room ? obj->in_room : obj->carried_by->
                          in_room, arg)) == NULL)
                return;
        if (obj1->carried_by == NULL)
                obj_from_room(obj1);
        else
        {
                if (obj1->wear_loc != WEAR_NONE)
                        unequip_char(obj1->carried_by, obj1);
                obj_from_char(obj1);
        }
        obj_to_room(obj1, location);
}

/*
 * Lets the object to strip an object or all objects from the victim.
 * Useful for removing e.g. quest objects from a character.
 *
 * Syntax: obj remove [victim] [object vnum|'all']
 */
void do_opremove(OBJ_DATA * obj, char *argument)
{
        CHAR_DATA *victim;
        OBJ_DATA *obj1, *obj_next;
        int       vnum = 0;
        bool      fAll = FALSE;
        char      arg[MAX_INPUT_LENGTH];

        argument = one_argument(argument, arg);
        if ((victim =
             get_char_room2(NULL,
                            obj->in_room ? obj->in_room : obj->carried_by->
                            in_room, arg)) == NULL)
                return;

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

        for (obj1 = victim->carrying; obj1; obj1 = obj_next)
        {
                obj_next = obj->next_content;
                if (fAll || obj1->pIndexData->vnum == vnum)
                {
                        unequip_char(victim, obj1);
                        obj_from_char(obj1);
                        extract_obj(obj1);
                }
        }
}

/*
 * Lets the object change its stats, can be related to the
 * target's level by adding a +,-,*,/ to the end of the value.
 *
 * Syntax: obj attrib [target] [level] [condition] [v0] [v1] [v2] [v3] [v4]
 */
void do_opattrib(OBJ_DATA * obj, char *argument)
{
        CHAR_DATA *ch;
        char      target[MAX_INPUT_LENGTH], arg1[MAX_INPUT_LENGTH],
                arg2[MAX_INPUT_LENGTH];
        char      arg3[MAX_INPUT_LENGTH], arg4[MAX_INPUT_LENGTH],
                arg5[MAX_INPUT_LENGTH];
        char      arg6[MAX_INPUT_LENGTH], arg7[MAX_INPUT_LENGTH];
        char      mod, *p;
        int       i, level, condition, value0, value1, value2, value3, value4;

        argument = one_argument(argument, target);
        argument = one_argument(argument, arg1);
        argument = one_argument(argument, arg2);
        argument = one_argument(argument, arg3);
        argument = one_argument(argument, arg4);
        argument = one_argument(argument, arg5);
        argument = one_argument(argument, arg6);
        one_argument(argument, arg7);

        if (!strcmp(target, "worn"))
        {
                if (!obj->carried_by)
                        return;
                else
                        ch = obj->carried_by;
        }
        else if ((ch =
                  get_char_room2(NULL,
                                 obj->in_room ? obj->in_room : obj->
                                 carried_by->in_room, target)) == NULL)
                return;

        if (!strcmp(arg1, "none"))
                level = obj->level;
        else if (!isdigit(arg1[0]))
        {
                p = arg1;
                mod = arg1[0];

                for (i = 1; i; i++)
                {
                        if (arg1[i] == '\0')
                        {
                                *p = '\0';
                                break;
                        }

                        *p = arg1[i];
                        p++;
                }

                if (!is_number(arg1))
                {
                        bug("OpAttrib: received non-number argument from vnum %d", obj->pIndexData->vnum);
                        return;
                }

                switch (mod)
                {
                case '+':
                        level = ch->level + atoi(arg1);
                        break;
                case '-':
                        level = ch->level - atoi(arg1);
                        break;
                case '*':
                        level = ch->level * atoi(arg1);
                        break;
                case '/':
                        level = ch->level / atoi(arg1);
                        break;
                default:
                        bug("OpAttrib: invalid modifier from vnum %d",
                            obj->pIndexData->vnum);
                        return;
                }
        }
        else if (is_number(arg1))
                level = atoi(arg1);
        else
        {
                bug("OpAttrib: received non-number argument from vnum %d",
                    obj->pIndexData->vnum);
                return;
        }

        if (!strcmp(arg2, "none"))
                condition = obj->condition;
        else if (!isdigit(arg2[0]))
        {
                p = arg2;
                mod = arg2[0];

                for (i = 1; i; i++)
                {
                        if (arg2[i] == '\0')
                        {
                                *p = '\0';
                                break;
                        }

                        *p = arg2[i];
                        p++;
                }

                if (!is_number(arg2))
                {
                        bug("OpAttrib: received non-number argument from vnum %d", obj->pIndexData->vnum);
                        return;
                }

                switch (mod)
                {
                case '+':
                        condition = ch->level + atoi(arg2);
                        break;
                case '-':
                        condition = ch->level - atoi(arg2);
                        break;
                case '*':
                        condition = ch->level * atoi(arg2);
                        break;
                case '/':
                        condition = ch->level / atoi(arg2);
                        break;
                default:
                        bug("OpAttrib: invalid modifier from vnum %d",
                            obj->pIndexData->vnum);
                        return;
                }
        }
        else if (is_number(arg2))
                condition = atoi(arg2);
        else
        {
                bug("OpAttrib: received non-number argument from vnum %d",
                    obj->pIndexData->vnum);
                return;
        }

        if (!strcmp(arg3, "none"))
                value0 = obj->value[0];
        else if (!isdigit(arg3[0]))
        {
                p = arg3;
                mod = arg3[0];

                for (i = 1; i; i++)
                {
                        if (arg3[i] == '\0')
                        {
                                *p = '\0';
                                break;
                        }

                        *p = arg3[i];
                        p++;
                }

                if (!is_number(arg3))
                {
                        bug("OpAttrib: received non-number argument from vnum %d", obj->pIndexData->vnum);
                        return;
                }

                switch (mod)
                {
                case '+':
                        value0 = ch->level + atoi(arg3);
                        break;
                case '-':
                        value0 = ch->level - atoi(arg3);
                        break;
                case '*':
                        value0 = ch->level * atoi(arg3);
                        break;
                case '/':
                        value0 = ch->level / atoi(arg3);
                        break;
                default:
                        bug("OpAttrib: invalid modifier from vnum %d",
                            obj->pIndexData->vnum);
                        return;
                }
        }
        else if (is_number(arg3))
                value0 = atoi(arg3);
        else
        {
                bug("OpAttrib: received non-number argument from vnum %d",
                    obj->pIndexData->vnum);
                return;
        }

        if (!strcmp(arg4, "none"))
                value1 = obj->value[1];
        else if (!isdigit(arg4[0]))
        {
                p = arg4;
                mod = arg4[0];

                for (i = 1; i; i++)
                {
                        if (arg4[i] == '\0')
                        {
                                *p = '\0';
                                break;
                        }

                        *p = arg4[i];
                        p++;
                }

                if (!is_number(arg4))
                {
                        bug("OpAttrib: received non-number argument from vnum %d", obj->pIndexData->vnum);
                        return;
                }

                switch (mod)
                {
                case '+':
                        value1 = ch->level + atoi(arg4);
                        break;
                case '-':
                        value1 = ch->level - atoi(arg4);
                        break;
                case '*':
                        value1 = ch->level * atoi(arg4);
                        break;
                case '/':
                        value1 = ch->level / atoi(arg4);
                        break;
                default:
                        bug("OpAttrib: invalid modifier from vnum %d",
                            obj->pIndexData->vnum);
                        return;
                }
        }
        else if (is_number(arg4))
                value1 = atoi(arg4);
        else
        {
                bug("OpAttrib: received non-number argument from vnum %d",
                    obj->pIndexData->vnum);
                return;
        }

        if (!strcmp(arg5, "none"))
                value2 = obj->value[2];
        else if (!isdigit(arg5[0]))
        {
                p = arg5;
                mod = arg5[0];

                for (i = 1; i; i++)
                {
                        if (arg5[i] == '\0')
                        {
                                *p = '\0';
                                break;
                        }

                        *p = arg5[i];
                        p++;
                }

                if (!is_number(arg5))
                {
                        bug("OpAttrib: received non-number argument from vnum %d", obj->pIndexData->vnum);
                        return;
                }

                switch (mod)
                {
                case '+':
                        value2 = ch->level + atoi(arg5);
                        break;
                case '-':
                        value2 = ch->level - atoi(arg5);
                        break;
                case '*':
                        value2 = ch->level * atoi(arg5);
                        break;
                case '/':
                        value2 = ch->level / atoi(arg5);
                        break;
                default:
                        bug("OpAttrib: invalid modifier from vnum %d",
                            obj->pIndexData->vnum);
                        return;
                }
        }
        else if (is_number(arg5))
                value2 = atoi(arg5);
        else
        {
                bug("OpAttrib: received non-number argument from vnum %d",
                    obj->pIndexData->vnum);
                return;
        }

        if (!strcmp(arg6, "none"))
                value3 = obj->value[3];
        else if (!isdigit(arg6[0]))
        {
                p = arg6;
                mod = arg6[0];

                for (i = 1; i; i++)
                {
                        if (arg6[i] == '\0')
                        {
                                *p = '\0';
                                break;
                        }

                        *p = arg6[i];
                        p++;
                }

                if (!is_number(arg6))
                {
                        bug("OpAttrib: received non-number argument from vnum %d", obj->pIndexData->vnum);
                        return;
                }

                switch (mod)
                {
                case '+':
                        value3 = ch->level + atoi(arg6);
                        break;
                case '-':
                        value3 = ch->level - atoi(arg6);
                        break;
                case '*':
                        value3 = ch->level * atoi(arg6);
                        break;
                case '/':
                        value3 = ch->level / atoi(arg6);
                        break;
                default:
                        bug("OpAttrib: invalid modifier from vnum %d",
                            obj->pIndexData->vnum);
                        return;
                }
        }
        else if (is_number(arg6))
                value3 = atoi(arg6);
        else
        {
                bug("OpAttrib: received non-number argument from vnum %d",
                    obj->pIndexData->vnum);
                return;
        }

        if (!strcmp(arg7, "none"))
                value4 = obj->value[4];
        else if (!isdigit(arg7[0]))
        {
                p = arg7;
                mod = arg7[0];

                for (i = 1; i; i++)
                {
                        if (arg7[i] == '\0')
                        {
                                *p = '\0';
                                break;
                        }

                        *p = arg7[i];
                        p++;
                }

                if (!is_number(arg7))
                {
                        bug("OpAttrib: received non-number argument from vnum %d", obj->pIndexData->vnum);
                        return;
                }

                switch (mod)
                {
                case '+':
                        value4 = ch->level + atoi(arg7);
                        break;
                case '-':
                        value4 = ch->level - atoi(arg7);
                        break;
                case '*':
                        value4 = ch->level * atoi(arg7);
                        break;
                case '/':
                        value4 = ch->level / atoi(arg7);
                        break;
                default:
                        bug("OpAttrib: invalid modifier from vnum %d",
                            obj->pIndexData->vnum);
                        return;
                }
        }
        else if (is_number(arg7))
                value4 = atoi(arg7);
        else
        {
                bug("OpAttrib: received non-number argument from vnum %d",
                    obj->pIndexData->vnum);
                return;
        }

        obj->level = level;
        obj->condition = condition;
        obj->value[0] = value0;
        obj->value[1] = value1;
        obj->value[2] = value2;
        obj->value[3] = value3;
        obj->value[4] = value4;
}

/*
 * 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;
                }
        }
        xprintf(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;
        }

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

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

        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)

        {
                xprintf(arg,
                        "[%2d] Trigger [%-8s] Program [%4d] Phrase [%s]\n\r",
                        ++i, prog_type_to_name(rprg->trig_type), rprg->vnum,
                        rprg->trig_phrase);
                send_to_char(arg, ch);
        }

        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;
        }
        pager_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_room2(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_room2(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)
        {
                xprintf(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
 *
 * Syntax: room oload [vnum] [level]
 */
void do_rpoload(ROOM_INDEX_DATA * room, char *argument)
{
        char      arg1[MAX_INPUT_LENGTH];
        char      arg2[MAX_INPUT_LENGTH];
        char      arg3[MAX_INPUT_LENGTH];
        OBJ_INDEX_DATA *pObjIndex;
        OBJ_DATA *obj;
        int       level;

        argument = one_argument(argument, arg1);
        argument = one_argument(argument, arg2);
        one_argument(argument, arg3);

        if (arg1[0] == '\0' || !is_number(arg1) || arg2[0] == '\0'
            || !is_number(arg2))
        {
                bug("Rpoload - Bad syntax from vnum %d.", room->vnum);
                return;
        }

        level = atoi(arg2);
        if (level < 0 || level > LEVEL_IMMORTAL)
        {
                bug("Rpoload - Bad level 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;
        }

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

        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))
                                extract_char(victim, TRUE);
                }

                for (obj = room->contents; obj != NULL; obj = obj_next)
                {
                        obj_next = obj->next_content;
                        extract_obj(obj);
                }

                return;
        }

        if ((victim = get_char_room2(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))
                        {
                                xprintf(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_room2(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))
                {
                        xprintf(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_room2(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_room2(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_room2(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);
                }
        }
        else
                damage(victim, victim,
                       fKill ?
                       number_range(low, high) : UMIN(victim->hit,
                                                      number_range(low,
                                                                   high)),
                       TYPE_UNDEFINED);
        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( 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_room2(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;
        int       vnum = 0;
        bool      fAll = FALSE;
        char      arg[MAX_INPUT_LENGTH];

        argument = one_argument(argument, arg);
        if ((victim = get_char_room2(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);
                }
        }
}