/***************************************************************************
 *                                                                         *
 *       _/          _/_/_/     _/    _/     _/    ACK! MUD is modified    *
 *      _/_/        _/          _/  _/       _/    Merc2.0/2.1/2.2 code    *
 *     _/  _/      _/           _/_/         _/    (c)Stephen Dooley 1994  *
 *    _/_/_/_/      _/          _/  _/             "This mud has not been  *
 *   _/      _/      _/_/_/     _/    _/     _/      tested on animals."   *
 *                                                                         *
 * CLUTCH.C : Handles 'spells' initiated via 'clutch' type objects         *
 ***************************************************************************/

#if defined(macintosh)
#include <types.h>
#else
#include <sys/types.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include "merc.h"


#define SPELL_NUMBER 3

#define DECLARE_CLUTCH_FUN( fun )	CLUTCH_FUN fun

typedef void CLUTCH_FUN 
        args( ( int v1, int v2, int v3, CHAR_DATA *ch, OBJ_DATA *obj ) );


DECLARE_CLUTCH_FUN(	clutch_portal	);
DECLARE_CLUTCH_FUN(	clutch_gate	);

struct clutch_type
{
   int          command_number;
   bool         destroy;	/* Destory object once clutched? */
   CLUTCH_FUN * func_name;	/* The name of the function.... */
};


const 	struct	clutch_type	clutch_table[SPELL_NUMBER] =
{
   { 1, 	TRUE,		 clutch_portal	},
   { 2,		TRUE,		 clutch_gate	},
   { 3,		FALSE,		 clutch_portal  }
};


/* Other local functions... */
bool valid_clutch_number( int number );




bool valid_clutch_number( int number )
{
   /* Simply check if number is valid... */
   
   if ( (number+1) > 0 && number < SPELL_NUMBER )
      return TRUE;
   
   return FALSE;
} 
   
   
void do_clutchinfo( CHAR_DATA *ch, char *argument )
{
   
   /* Imm command to show details */
   send_to_char( "Details for spells available for clutchable items:\n\r", ch );
   send_to_char( "NB: The first number is the value required for value[0].\n\r", ch );
   send_to_char( "v1 - v3 are value[1] - value[3].\n\r\n\r", ch );
   
   send_to_char( " 1 : Portal.   v1 = room_vnum to portal to.\n\r", ch );
   send_to_char( " 2 : Gate.     v1 = mob_vnum to load, v2 = % chance will follow.n\r", ch );
   send_to_char( " 3 : Portal    (As #1, but object is not destroyed.)\n\r", ch );
   send_to_char( "\n\r", ch );

   /* KEEP THIS UPDATED!! */

   return;
}

void do_clutch( CHAR_DATA *ch, char *argument )
{
   /* Big top-level clutch funciton. */
   
   OBJ_DATA *obj;
   bool found;
   
   
   /* See if any object is clutched... */
   found = FALSE;
   for ( obj = ch->first_carry; obj != NULL; obj=obj->next_in_carry_list )
      if ( ( obj->wear_loc == WEAR_MAGIC )
        && ( obj->item_type == ITEM_CLUTCH   ) )
         break;
         
   if ( obj == NULL )
   {
      send_to_char( "You have nothing to clutch!\n\r", ch );
      return;
   }
   
   if ( !valid_clutch_number( obj->value[0] -1 ) )
   {
      send_to_char( "Nothing happens.\n\r", ch );
      return;
   }
   
   act( "$n clutches $p tightly in $s hand!", ch, obj, NULL, TO_ROOM );
   act( "You clutch $p tightly in your hand!", ch, obj, NULL, TO_CHAR );
   if (!IS_SET( ch->in_room->room_flags, ROOM_NO_PORTAL )  )
   (*clutch_table[obj->value[0]-1].func_name) 
            (obj->value[1], obj->value[2], obj->value[3], ch, obj);
   else 
    return;
   
   
   if ( clutch_table[obj->value[0]-1].destroy )
   {
      
      act( "$p glows brightly, and is GONE!", ch, obj, NULL, TO_ROOM );
      act( "$p glows brightly in your hand, and is GONE!", ch, obj, NULL, TO_CHAR );
      obj_from_char( obj );
   }   
   
   return;         
}

void clutch_portal( int v1, int v2, int v3, CHAR_DATA *ch, OBJ_DATA *obj )
{
   /* A Nice simple test spell.
    * Transport ch to the room indicated by v1
    */
    
    ROOM_INDEX_DATA *room;
    
    room = get_room_index( v1 );
    if ( room == NULL )
    {
       send_to_char( "Nothing seems to have happened!\n\r", ch );
       return;
    }
    
    
    act( "A glowing portal forms before $n, swallowing $m whole!",
         ch, NULL, NULL, TO_ROOM );
    send_to_char( "A glowing portal forms before you, swallowing you whole!\n\r", ch );
    stop_fighting( ch, TRUE );
    char_from_room( ch );
    char_to_room( ch, room );
    act( "A swirling portal forms long enough for $n to step out!", ch, NULL, NULL, TO_ROOM );
    do_look( ch, "" );
    return;
 }
   
 void clutch_gate( int v1, int v2, int v3, CHAR_DATA *ch, OBJ_DATA *obj )
 {
    /* Load mob indicated by v1, v2 is % chance of following */
    
    MOB_INDEX_DATA *mob;
    CHAR_DATA *monster;
    
    mob = get_mob_index( v1 );
    if ( mob == NULL )
    {
       send_to_char( "Nothing seems to have happened!\n\r", ch );
       return;
    }
    
    monster = create_mobile( mob );
    char_to_room( monster, ch->in_room );
    
    act( "$n describes a pentagon with $s $p.  $N appears!", ch, obj, monster, TO_ROOM );
    act( "You describe a pentagon with you $p.  $N appears!", ch, obj, monster, TO_CHAR );
    
    if ( number_percent() < v2 )
       add_follower( monster, ch );
    
    return;
 }