1stMUD/corefiles/
1stMUD/gods/
1stMUD/player/
1stMUD/win32/
1stMUD/win32/ROM/
/**************************************************************************
*  Original Diku Mud copyright (C) 1990, 1991 by Sebastian Hammer,        *
*  Michael Seifert, Hans Henrik St{rfeldt, Tom Madsen, and Katja Nyboe.   *
*                                                                         *
*  Merc Diku Mud improvements 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          *
*  benefiting.  We hope that you share your changes too.  What goes       *
*  around, comes around.                                                  *
***************************************************************************
*       ROM 2.4 is copyright 1993-1998 Russ Taylor                        *
*       ROM has been brought to you by the ROM consortium                 *
*           Russ Taylor (rtaylor@hypercube.org)                           *
*           Gabrielle Taylor (gtaylor@hypercube.org)                      *
*           Brian Moore (zump@rom.org)                                    *
*       By using this code, you have agreed to follow the terms of the    *
*       ROM license, in the file Rom24/doc/rom.license                    *
***************************************************************************
*       1stMUD ROM Derivative (c) 2001-2002 by Ryan Jennings              *
*            http://1stmud.dlmud.com/  <r-jenn@shaw.ca>                   *
***************************************************************************/

/***************************************************************************
 *                                                                         *
 *  Based on MERC 2.2 MOBprograms by N'Atas-ha.                            *
 *  Written and adapted to ROM 2.4 by                                      *
 *          Markku Nylander (markku.nylander@uta.fi)                       *
 *                                                                         *
 ***************************************************************************/

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

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

/*
 * Command 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},
	{"", 0}
};

CH_CMD (do_mob)
{
	/*
	 * 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, const 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;
		}
	}
	sprintf (buf, "Mob_interpret: invalid cmd from mob %ld: '%s'",
			 IS_NPC (ch) ? ch->pIndexData->vnum : 0, command);
	bug (buf, 0);
}

char *mprog_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";
	default:
		return "ERROR";
	}
}

/* 
 * Displays MOBprogram triggers of a mobile
 *
 * Syntax: mpstat [name]
 */
CH_CMD (do_mpstat)
{
	char arg[MAX_STRING_LENGTH];
	MPROG_LIST *mprg;
	CHAR_DATA *victim;
	int i;

	one_argument (argument, arg);

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

	if ((victim = get_char_world (ch, arg)) == NULL)
	{
		chprintln (ch, "No such creature.");
		return;
	}

	if (!IS_NPC (victim))
	{
		chprintln (ch, "That is not a mobile.");
		return;
	}

	if ((victim = get_char_world (ch, arg)) == NULL)
	{
		chprintln (ch, "No such creature visible.");
		return;
	}

	chprintlnf (ch, "Mobile #%-6ld [%s]", victim->pIndexData->vnum,
				victim->short_descr);

	chprintlnf (ch, "Delay   %-6d [%s]", victim->mprog_delay,
				victim->mprog_target ==
				NULL ? "No target" : victim->mprog_target->name);

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

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

	{
		chprintlnf (ch,
					"[%2d] Trigger [%-8s] Program [%4ld] Phrase [%s]",
					++i, mprog_type_to_name (mprg->trig_type), mprg->vnum,
					mprg->trig_phrase);
	}

	return;

}

/*
 * Displays the source code of a given MOBprogram
 *
 * Syntax: mpdump [vnum]
 */
CH_CMD (do_mpdump)
{
	char buf[MAX_INPUT_LENGTH];
	MPROG_CODE *mprg;

	one_argument (argument, buf);
	if ((mprg = get_mprog_index (atol (buf))) == NULL)
	{
		chprintln (ch, "No such MOBprogram.");
		return;
	}
	page_to_char (mprg->code, ch);
}

/*
 * Prints the argument to all active players in the game
 *
 * Syntax: mob gecho [string]
 */
CH_CMD (do_mpgecho)
{
	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))
				chprint (d->character, "Mob echo> ");
			chprintln (d->character, argument);
		}
	}
}

/*
 * Prints the argument to all players in the same area as the mob
 *
 * Syntax: mob zecho [string]
 */
CH_CMD (do_mpzecho)
{
	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))
				chprint (d->character, "Mob echo> ");
			chprintln (d->character, argument);
		}
	}
}

/*
 * Prints the argument to all the rooms aroud the mobile
 *
 * Syntax: mob asound [string]
 */
CH_CMD (do_mpasound)
{

	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]
 */
CH_CMD (do_mpkill)
{
	char arg[MAX_INPUT_LENGTH];
	CHAR_DATA *victim;

	one_argument (argument, arg);

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

	if ((victim = get_char_room (ch, 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]
 */
CH_CMD (do_mpassist)
{
	char arg[MAX_INPUT_LENGTH];
	CHAR_DATA *victim;

	one_argument (argument, arg);

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

	if ((victim = get_char_room (ch, 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]
 */

CH_CMD (do_mpjunk)
{
	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)) != 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]
 */

CH_CMD (do_mpechoaround)
{
	char arg[MAX_INPUT_LENGTH];
	CHAR_DATA *victim;

	argument = one_argument (argument, arg);

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

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

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

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

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

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

/*
 * Lets the mobile load another mobile.
 *
 * Syntax: mob mload [vnum]
 */
CH_CMD (do_mpmload)
{
	char arg[MAX_INPUT_LENGTH];
	MOB_INDEX_DATA *pMobIndex;
	CHAR_DATA *victim;
	vnum_t vnum;

	one_argument (argument, arg);

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

	vnum = atol (arg);
	if ((pMobIndex = get_mob_index (vnum)) == NULL)
	{
		sprintf (arg, "Mpmload: bad mob index (%ld) from mob %ld", 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}
 */
CH_CMD (do_mpoload)
{
	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 (atol (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}
 */
CH_CMD (do_mppurge)
{
	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 &&
				!IS_SET (victim->act, ACT_NOPURGE))
				extract_char (victim, TRUE);
		}

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

		return;
	}

	if ((victim = get_char_room (ch, arg)) == NULL)
	{
		if ((obj = get_obj_here (ch, 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]
 */
CH_CMD (do_mpgoto)
{
	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]
 */
CH_CMD (do_mpat)
{
	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]
 */
CH_CMD (do_mptransfer)
{
	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))
			{
				sprintf (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]
 */
CH_CMD (do_mpgtransfer)
{
	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, 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))
		{
			sprintf (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]
 */
CH_CMD (do_mpforce)
{
	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, 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]
 */
CH_CMD (do_mpgforce)
{
	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, 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]
 */
CH_CMD (do_mpvforce)
{
	CHAR_DATA *victim, *victim_next;
	char arg[MAX_INPUT_LENGTH];
	vnum_t 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 = atol (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}
 */

CH_CMD (do_mpcast)
{
	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, target);
	obj = get_obj_here (ch, 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,
								  skill_table[sn].target);
	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}
 */
CH_CMD (do_mpdamage)
{
	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, 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, DAM_NONE, FALSE);
		}
	}
	else
		damage (victim, victim,
				fKill ? number_range (low, high) : UMIN (victim->hit,
														 number_range
														 (low, high)),
				TYPE_UNDEFINED, DAM_NONE, FALSE);
	return;
}

/*
 * Lets the 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]
 */
CH_CMD (do_mpremember)
{
	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
 */
CH_CMD (do_mpforget)
{
	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]
 */
CH_CMD (do_mpdelay)
{
	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
 */
CH_CMD (do_mpcancel)
{
	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']
 *
 */
CH_CMD (do_mpcall)
{
	char arg[MAX_INPUT_LENGTH];
	CHAR_DATA *vch;
	OBJ_DATA *obj1, *obj2;
	MPROG_CODE *prg;

	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_mprog_index (atol (arg))) == 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, arg);
	argument = one_argument (argument, arg);
	if (arg[0] != '\0')
		obj1 = get_obj_here (ch, arg);
	argument = one_argument (argument, arg);
	if (arg[0] != '\0')
		obj2 = get_obj_here (ch, arg);
	program_flow (prg->vnum, prg->code, ch, vch, (void *) obj1,
				  (void *) obj2);
}

/*
 * Forces the mobile to flee.
 *
 * Syntax: mob flee
 *
 */
CH_CMD (do_mpflee)
{
	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, FALSE);
		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]
 */
CH_CMD (do_mpotransfer)
{
	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, 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);
}

/*
 * 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']
 */
CH_CMD (do_mpremove)
{
	CHAR_DATA *victim;
	OBJ_DATA *obj, *obj_next;
	vnum_t vnum = 0;
	bool fAll = FALSE;
	char arg[MAX_INPUT_LENGTH];

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

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