/* ---------------------------------------------------------------------
* CMD_EVAL
* This monster evaluates an if/or/and statement
* There are five kinds of statement:
* 1) keyword and value (no $-code) if random 30
* 2) keyword, comparison and value if people > 2
* 3) keyword and actor if isnpc $n
* 4) keyword, actor and value if carries $n sword
* 5) keyword, actor, comparison and value if level $n >= 10
*
*----------------------------------------------------------------------
*/
int cmd_eval( sh_int vnum, char *line, int check,
CHAR_DATA *mob, CHAR_DATA *ch,
const void *arg1, const void *arg2, CHAR_DATA *rch )
{
CHAR_DATA *lval_char = mob;
CHAR_DATA *vch = (CHAR_DATA *) arg2;
OBJ_DATA *obj1 = (OBJ_DATA *) arg1;
OBJ_DATA *obj2 = (OBJ_DATA *) arg2;
OBJ_DATA *lval_obj = NULL;
char *original, buf[MAX_INPUT_LENGTH], code;
int lval = 0, oper = 0, rval = -1;
original = line;
line = one_argument( line, buf );
if ( buf[0] == '\0' || mob == NULL )
return FALSE;
/*
* If this mobile has no target, let's assume our victim is the one
*/
if ( mob->mprog_target == NULL )
mob->mprog_target = ch;
switch ( check )
{
/*
* Case 1: keyword and value
*/
case CHK_RAND:
return( atoi( buf ) < number_percent() );
case CHK_MOBHERE:
if ( is_number( buf ) )
return( get_mob_vnum_room( mob, atoi(buf) ) );
else
return( (bool) (get_char_room( mob, buf) != NULL) );
case CHK_OBJHERE:
if ( is_number( buf ) )
return( get_obj_vnum_room( mob, atoi(buf) ) );
else
return( (bool) (get_obj_here( mob, buf) != NULL) );
case CHK_MOBEXISTS:
return( (bool) (get_char_world( mob, buf) != NULL) );
case CHK_OBJEXISTS:
return( (bool) (get_obj_world( mob, buf) != NULL) );
/*
* Case 2 begins here: We sneakily use rval to indicate need
* for numeric eval...
*/
case CHK_PEOPLE:
rval = count_people_room( mob, 0 ); break;
case CHK_PLAYERS:
rval = count_people_room( mob, 1 ); break;
case CHK_MOBS:
rval = count_people_room( mob, 2 ); break;
case CHK_CLONES:
rval = count_people_room( mob, 3 ); break;
case CHK_ORDER:
rval = get_order( mob ); break;
case CHK_HOUR:
rval = time_info.hour; break;
default:;
}
/*
* Case 2 continued: evaluate expression
*/
if ( rval >= 0 )
{
if ( (oper = keyword_lookup( fn_evals, buf )) < 0 )
{
sprintf( buf, "Cmd_eval: prog %d syntax error(2) '%s'",
vnum, original );
bug( buf, 0 );
return FALSE;
}
one_argument( line, buf );
lval = rval;
rval = atoi( buf );
return( num_eval( lval, oper, rval ) );
}
/*
* Case 3,4,5: Grab actors from $* codes
*/
if ( buf[0] != '$' || buf[1] == '\0' )
{
sprintf( buf, "Cmd_eval: prog %d syntax error(3) '%s'",
vnum, original );
bug( buf, 0 );
return FALSE;
}
else
code = buf[1];
switch( code )
{
case 'i':
lval_char = mob; break;
case 'n':
lval_char = ch; break;
case 't':
lval_char = vch; break;
case 'r':
lval_char = rch == NULL ? get_random_char( mob ) : rch ; break;
case 'o':
lval_obj = obj1; break;
case 'p':
lval_obj = obj2; break;
case 'q':
lval_char = mob->mprog_target; break;
default:
sprintf( buf, "Cmd_eval: prog %d syntax error(4) '%s'",
vnum, original );
bug( buf, 0 );
return FALSE;
}
/*
* From now on, we need an actor, so if none was found, bail out
*/
if ( lval_char == NULL && lval_obj == NULL )
return FALSE;
/*
* Case 3: Keyword, comparison and value
*/
switch( check )
{
case CHK_ISPC:
return( lval_char != NULL && !IS_NPC( lval_char ) );
case CHK_ISNPC:
return( lval_char != NULL && IS_NPC( lval_char ) );
case CHK_ISGOOD:
return( lval_char != NULL && IS_GOOD( lval_char ) );
case CHK_ISEVIL:
return( lval_char != NULL && IS_EVIL( lval_char ) );
case CHK_ISNEUTRAL:
return( lval_char != NULL && IS_NEUTRAL( lval_char ) );
case CHK_ISIMMORT:
return( lval_char != NULL && IS_IMMORTAL( lval_char ) );
case CHK_ISCHARM: /* A relic from MERC 2.2 MOBprograms */
return( lval_char != NULL && IS_AFFECTED( lval_char, AFF_CHARM ) );
case CHK_ISFOLLOW:
return( lval_char != NULL && lval_char->master != NULL
&& lval_char->master->in_room == lval_char->in_room );
case CHK_ISACTIVE:
return( lval_char != NULL && lval_char->position > POS_SLEEPING );
case CHK_ISDELAY:
return( lval_char != NULL && lval_char->mprog_delay > 0 );
case CHK_ISVISIBLE:
switch( code )
{
default :
case 'i':
case 'n':
case 't':
case 'r':
case 'q':
return( lval_char != NULL && can_see( mob, lval_char ) );
case 'o':
case 'p':
return( lval_obj != NULL && can_see_obj( mob, lval_obj ) );
}
case CHK_HASTARGET:
return( lval_char != NULL && lval_char->mprog_target != NULL
&& lval_char->in_room == lval_char->mprog_target->in_room );
case CHK_ISTARGET:
return( lval_char != NULL && mob->mprog_target == lval_char );
default:;
}
/*
* Case 4: Keyword, actor and value
*/
line = one_argument( line, buf );
switch( check )
{
case CHK_AFFECTED:
return( lval_char != NULL
&& IS_SET(lval_char->affected_by, flag_lookup(buf, affect_flags)) );
case CHK_ACT:
return( lval_char != NULL
&& IS_SET(lval_char->act, flag_lookup(buf, act_flags)) );
case CHK_IMM:
return( lval_char != NULL
&& IS_SET(lval_char->imm_flags, flag_lookup(buf, imm_flags)) );
case CHK_OFF:
return( lval_char != NULL
&& IS_SET(lval_char->off_flags, flag_lookup(buf, off_flags)) );
case CHK_CARRIES:
if ( is_number( buf ) )
return( lval_char != NULL && has_item( lval_char, atoi(buf), -1, FALSE ) );
else
return( lval_char != NULL && (get_obj_carry( lval_char, buf ) != NULL) );
case CHK_WEARS:
if ( is_number( buf ) )
return( lval_char != NULL && has_item( lval_char, atoi(buf), -1, TRUE ) );
else
return( lval_char != NULL && (get_obj_wear( lval_char, buf ) != NULL) );
case CHK_HAS:
return( lval_char != NULL && has_item( lval_char, -1, item_lookup(buf), FALSE ) );
case CHK_USES:
return( lval_char != NULL && has_item( lval_char, -1, item_lookup(buf), TRUE ) );
case CHK_NAME:
switch( code )
{
default :
case 'i':
case 'n':
case 't':
case 'r':
case 'q':
return( lval_char != NULL && is_name( buf, lval_char->name ) );
case 'o':
case 'p':
return( lval_obj != NULL && is_name( buf, lval_obj->name ) );
}
case CHK_POS:
return( lval_char != NULL && lval_char->position == position_lookup( buf ) );
case CHK_CLAN:
return( lval_char != NULL && lval_char->clan == clan_lookup( buf ) );
case CHK_RACE:
return( lval_char != NULL && lval_char->race == race_lookup( buf ) );
case CHK_OBJTYPE:
return( lval_obj != NULL && lval_obj->item_type == item_lookup( buf ) );
default:;
}
/*
* Case 5: Keyword, actor, comparison and value
*/
if ( (oper = keyword_lookup( fn_evals, buf )) < 0 )
{
sprintf( buf, "Cmd_eval: prog %d syntax error(5): '%s'",
vnum, original );
bug( buf, 0 );
return FALSE;
}
one_argument( line, buf );
rval = atoi( buf );
switch( check )
{
case CHK_VNUM:
switch( code )
{
default :
case 'i':
case 'n':
case 't':
case 'r':
case 'q':
if( lval_char != NULL && IS_NPC( lval_char ) )
lval = lval_char->pIndexData->vnum;
break;
case 'o':
case 'p':
if ( lval_obj != NULL )
lval = lval_obj->pIndexData->vnum;
}
break;
case CHK_HPCNT:
if ( lval_char != NULL ) lval = (lval_char->hit * 100)/(UMAX(1,lval_char->max_hit)); break;
case CHK_ROOM:
if ( lval_char != NULL && lval_char->in_room != NULL )
lval = lval_char->in_room->vnum; break;
case CHK_SEX:
if ( lval_char != NULL ) lval = lval_char->sex; break;
case CHK_LEVEL:
if ( lval_char != NULL ) lval = lval_char->level; break;
case CHK_ALIGN:
if ( lval_char != NULL ) lval = lval_char->alignment; break;
case CHK_MONEY: /* Money is converted to silver... */
if ( lval_char != NULL )
lval = lval_char->gold + (lval_char->silver * 100); break;
case CHK_OBJVAL0:
if ( lval_obj != NULL ) lval = lval_obj->value[0]; break;
case CHK_OBJVAL1:
if ( lval_obj != NULL ) lval = lval_obj->value[1]; break;
case CHK_OBJVAL2:
if ( lval_obj != NULL ) lval = lval_obj->value[2]; break;
case CHK_OBJVAL3:
if ( lval_obj != NULL ) lval = lval_obj->value[3]; break;
case CHK_OBJVAL4:
if ( lval_obj != NULL ) lval = lval_obj->value[4]; break;
case CHK_GRPSIZE:
if( lval_char != NULL ) lval = count_people_room( lval_char, 4 ); break;
default:
return FALSE;
}
return( num_eval( lval, oper, rval ) );
}
/* syntax : objectgate <object>
* ex. objectgate 2.bells
*/
void do_objectgate (CHAR_DATA *ch, char *argument)
{
OBJ_DATA *obj;
char arg1[MAX_INPUT_LENGTH];
argument = one_argument(argument, arg1);
if (IS_NPC(ch)) return;
if (!IS_CLASS(ch, CLASS_MAGE) && !IS_CLASS(ch, CLASS_LICH))
{
send_to_char("Huh?\n\r", ch );
return;
}
if (IS_CLASS(ch, CLASS_LICH) && ch->pcdata->powers[CON_LORE] < 1)
{
send_to_char("But you don't know how to do that silly.\n\r",ch);
return;
}
if (arg1[0] == '\0')
{
send_to_char("What object do you want to attempt to gate?\n\r",ch);
return;
}
if ((obj = get_obj_world(ch, arg1)) == NULL)
{
send_to_char("No such object.\n\r",ch);
return;
}
if (IS_SET(obj->quest, QUEST_ARTIFACT) || IS_SET(obj->quest, QUEST_RELIC))
{
send_to_char("You cannot grab artifacts or relics.\n\r",ch);
return;
}
if (obj->carried_by != NULL)
{
send_to_char("Someone is holding the item.\n\r",ch);
return;
}
if (obj->in_room == NULL)
{
send_to_char("It seems to be inside something.\n\r",ch);
return;
}
if (!IS_SET(obj->wear_flags, ITEM_TAKE))
{
send_to_char("This item is too big.\n\r",ch);
return;
}
if( IS_SET(obj->in_room->room_flags, ROOM_ASTRAL))
{
send_to_char( "You can't find it's room.\n\r",ch);
return;
}
if(IS_SET(ch->in_room->room_flags, ROOM_ASTRAL))
{
send_to_char( "Your room is not connected to the astral plane.\n\r",ch);
return;
}
obj_from_room( obj );
obj_to_char( obj, ch );
send_to_char("The item appears in your hand.\n\r",ch);
return;
}