/****************************************************************************
 * [S]imulated [M]edieval [A]dventure multi[U]ser [G]ame      |				*
 * -----------------------------------------------------------|   \\._.//	*
 * SmaugWiz (C) 1998 by Russ Pillsbury (Windows NT version)   |   (0...0)	*
 * -----------------------------------------------------------|    ).:.(	*
 * SMAUG (C) 1994, 1995, 1996 by Derek Snider                 |    {o o}	*
 * -----------------------------------------------------------|   / ' ' \	*
 * SMAUG code team: Thoric, Altrag, Blodkai, Narn, Haus,      |~'~.VxvxV.~'~*
 * Scryn, Swordbearer, Rennard, Tricops, and Gorog.           |				*
 * ------------------------------------------------------------------------ *
 * Merc 2.1 Diku Mud improvments copyright (C) 1992, 1993 by Michael        *
 * Chastain, Michael Quan, and Mitchell Tse.                                *
 * Original Diku Mud copyright (C) 1990, 1991 by Sebastian Hammer,          *
 * Michael Seifert, Hans Henrik Staerfeldt, Tom Madsen, and Katja Nyboe.    *
 * ------------------------------------------------------------------------ *
 *			   "Special procedure" module								    *
 ****************************************************************************/

#include	"stdafx.h"
#include	"smaug.h"
#include	"area.h"
#include	"skill.h"
#include	"mobiles.h"
#include	"objects.h"
#include	"rooms.h"
#include	"descriptor.h"
#include	"character.h"


/*
 * The following special functions are available for mobiles.
 */
DECLARE_SPEC_FUN (	spec_breath_any		);
DECLARE_SPEC_FUN (	spec_breath_acid	);
DECLARE_SPEC_FUN (	spec_breath_fire	);
DECLARE_SPEC_FUN (	spec_breath_frost	);
DECLARE_SPEC_FUN (	spec_breath_gas		);
DECLARE_SPEC_FUN (	spec_breath_lightning	);
DECLARE_SPEC_FUN (	spec_cast_adept		);
DECLARE_SPEC_FUN (	spec_cast_cleric	);
DECLARE_SPEC_FUN (	spec_cast_mage		);
DECLARE_SPEC_FUN (	spec_cast_undead	);
DECLARE_SPEC_FUN (	spec_executioner	);
DECLARE_SPEC_FUN (	spec_fido		);
DECLARE_SPEC_FUN (	spec_guard		);
DECLARE_SPEC_FUN (	spec_janitor		);
DECLARE_SPEC_FUN (	spec_mayor		);
DECLARE_SPEC_FUN (	spec_poison		);
DECLARE_SPEC_FUN (	spec_thief		);



/*
 * Given a name, return the appropriate spec fun.
 */
SPEC_FUN *spec_lookup (const char *name)
{
    if (!str_cmp (name, "spec_breath_any"	 )) return spec_breath_any;
    if (!str_cmp (name, "spec_breath_acid"	 )) return spec_breath_acid;
    if (!str_cmp (name, "spec_breath_fire"	 )) return spec_breath_fire;
    if (!str_cmp (name, "spec_breath_frost"	 )) return spec_breath_frost;
    if (!str_cmp (name, "spec_breath_gas"	 )) return spec_breath_gas;
    if (!str_cmp (name, "spec_breath_lightning" )) return
							spec_breath_lightning;
    if (!str_cmp (name, "spec_cast_adept"	 )) return spec_cast_adept;
    if (!str_cmp (name, "spec_cast_cleric"	 )) return spec_cast_cleric;
    if (!str_cmp (name, "spec_cast_mage"	 )) return spec_cast_mage;
    if (!str_cmp (name, "spec_cast_undead"	 )) return spec_cast_undead;
    if (!str_cmp (name, "spec_executioner"	 )) return spec_executioner;
    if (!str_cmp (name, "spec_fido"		 )) return spec_fido;
    if (!str_cmp (name, "spec_guard"		 )) return spec_guard;
    if (!str_cmp (name, "spec_janitor"		 )) return spec_janitor;
    if (!str_cmp (name, "spec_mayor"		 )) return spec_mayor;
    if (!str_cmp (name, "spec_poison"		 )) return spec_poison;
    if (!str_cmp (name, "spec_thief"		 )) return spec_thief;
    return 0;
}

/*
 * Given a pointer, return the appropriate spec fun text.
 */
char *lookup_spec (SPEC_FUN *special)
{
    if (special == spec_breath_any	)	return "spec_breath_any";
    
    if (special == spec_breath_acid)	return "spec_breath_acid";
    if (special == spec_breath_fire) 	return "spec_breath_fire";
    if (special == spec_breath_frost	) 	return "spec_breath_frost";
    if (special == spec_breath_gas	) 	return "spec_breath_gas";
    if (special == spec_breath_lightning)	return "spec_breath_lightning";
    if (special == spec_cast_adept	)	return "spec_cast_adept";
    if (special == spec_cast_cleric)	return "spec_cast_cleric";
    if (special == spec_cast_mage	)	return "spec_cast_mage";
    if (special == spec_cast_undead)	return "spec_cast_undead";
    if (special == spec_executioner)	return "spec_executioner";
    if (special == spec_fido		)	return "spec_fido";
    if (special == spec_guard		)	return "spec_guard";
    if (special == spec_janitor)	return "spec_janitor";
    if (special == spec_mayor		)	return "spec_mayor";
    if (special == spec_poison		)	return "spec_poison";
    if (special == spec_thief		)	return "spec_thief";
    return "";
}


/* if a spell casting mob is hating someone... try and summon them */
void summon_if_hating (CCharacter *ch)
{
    CCharacter *victim;
    char buf[MAX_STRING_LENGTH];
    char name[MAX_INPUT_LENGTH];
    BOOL found = FALSE;

    if (ch->GetFightData () || ch->fearing
    ||  !ch->hating || ch->GetInRoom ()->IsSafe ())
      return;

    /* if player is close enough to hunt... don't summon */
    if (ch->hunting)
      return;

    one_argument (ch->hating->name, name);

    /* make sure the char exists - works even if player quits */
    for (victim = first_char;
   	 victim;
   	 victim = victim->GetNext ())
    {
	if (!str_cmp (ch->hating->name, victim->GetName ()))
	{
           found = TRUE;
	   break;
	}
    }

    if (!found)
      return;
    if (ch->GetInRoom () == victim->GetInRoom ())
      return;
    if (!victim->IsNpc ())
      sprintf (buf, "summon 0.%s", name);
     else
      sprintf (buf, "summon %s", name);
    do_cast (ch, buf);
    return;
}

/*
 * Core procedure for dragons.
 */
BOOL dragon (CCharacter *ch, char *spell_name)
{
	CCharacter	*victim;
	CCharacter	*v_next;
	int			sn;

	if (! ch->IsFightPosition ())
		return FALSE;

	for (victim = ch->GetInRoom ()->first_person; victim; victim = v_next) {
		v_next = victim->GetNextInRoom ();
		if (victim->GetFightWho () == ch && number_bits (2) == 0)
			break;
	}

	if (! victim)
		return FALSE;

	if ((sn = SkillTable.Lookup (spell_name)) < 0)
		return FALSE;

	(*SkillTable.GetSpellFunction (sn)) (sn, ch->GetLevel (), ch, victim);

	return TRUE;
}



/*
 * Special procedures for mobiles.
 */
BOOL spec_breath_any (CCharacter *ch)
{
    if (! ch->IsFightPosition ())
	return FALSE;

    switch (number_bits (3))
    {
    case 0: return spec_breath_fire		 (ch);
    case 1:
    case 2: return spec_breath_lightning	 (ch);
    case 3: return spec_breath_gas		 (ch);
    case 4: return spec_breath_acid		 (ch);
    case 5:
    case 6:
    case 7: return spec_breath_frost		 (ch);
    }

    return FALSE;
}



BOOL spec_breath_acid (CCharacter *ch)
{
    return dragon (ch, "acid breath");
}



BOOL spec_breath_fire (CCharacter *ch)
{
    return dragon (ch, "fire breath");
}



BOOL spec_breath_frost (CCharacter *ch)
{
    return dragon (ch, "frost breath");
}



BOOL spec_breath_gas (CCharacter *ch)
{
    int sn;

    if (! ch->IsFightPosition ())
	return FALSE;

    if ((sn = SkillTable.Lookup ("gas breath")) < 0)
	return FALSE;
    (*SkillTable.GetSpellFunction (sn)) (sn, ch->GetLevel (), ch, NULL);
    return TRUE;
}



BOOL spec_breath_lightning (CCharacter *ch)
{
    return dragon (ch, "lightning breath");
}



BOOL spec_cast_adept (CCharacter *ch)
{
    CCharacter *victim;
    CCharacter *v_next;

    if (!ch->IsAwake ())
	return FALSE;

    for (victim = ch->GetInRoom ()->first_person; victim; victim = v_next)
    {
	v_next = victim->GetNextInRoom ();
	if (victim != ch && can_see (ch, victim) && number_bits (1) == 0)
	    break;
    }

    if (!victim)
	return FALSE;

    switch (number_bits (3))
    {
    case 0:
    act (AT_MAGIC, "$n utters the word 'ciroht'.", ch, NULL, NULL, TO_ROOM);
	spell_smaug (SkillTable.Lookup ("armor"), ch->GetLevel (), ch, victim);
	return TRUE;

    case 1:
    act (AT_MAGIC, "$n utters the word 'sunimod'.", ch, NULL, NULL, TO_ROOM);
	spell_smaug (SkillTable.Lookup ("bless"), ch->GetLevel (), ch, victim);
	return TRUE;

    case 2:
    act (AT_MAGIC, "$n utters the word 'suah'.", ch, NULL, NULL, TO_ROOM);
	spell_cure_blindness (SkillTable.Lookup ("cure blindness"),
	    ch->GetLevel (), ch, victim);
	return TRUE;

    case 3:
    act (AT_MAGIC, "$n utters the word 'nran'.", ch, NULL, NULL, TO_ROOM);
	spell_smaug (SkillTable.Lookup ("cure light"),
	    ch->GetLevel (), ch, victim);
	return TRUE;

    case 4:
    act (AT_MAGIC, "$n utters the word 'nyrcs'.", ch, NULL, NULL, TO_ROOM);
	spell_cure_poison (SkillTable.Lookup ("cure poison"),
	    ch->GetLevel (), ch, victim);
	return TRUE;

    case 5:
    act (AT_MAGIC, "$n utters the word 'gartla'.", ch, NULL, NULL, TO_ROOM);
	spell_smaug (SkillTable.Lookup ("refresh"), ch->GetLevel (), ch, victim);
	return TRUE;

    }

    return FALSE;
}



BOOL spec_cast_cleric (CCharacter *ch)
{
    CCharacter *victim;
    CCharacter *v_next;
    char *spell;
    int sn;

    summon_if_hating (ch);

    if (! ch->IsFightPosition ())
	return FALSE;

    for (victim = ch->GetInRoom ()->first_person; victim; victim = v_next)
    {
	v_next = victim->GetNextInRoom ();
	if (victim->GetFightWho () == ch && number_bits (2) == 0)
	    break;
    }

    if (!victim || victim == ch)
	return FALSE;

    for (;;)
    {
	int min_level;

	switch (number_bits (4))
	{
	case  0: min_level =  0; spell = "blindness";      break;
	case  1: min_level =  3; spell = "cause serious";  break;
	case  2: min_level =  7; spell = "earthquake";     break;
	case  3: min_level =  9; spell = "cause critical"; break;
	case  4: min_level = 10; spell = "dispel evil";    break;
	case  5: min_level = 12; spell = "curse";          break;
	case  7: min_level = 13; spell = "flamestrike";    break;
	case  8:
	case  9:
	case 10: min_level = 15; spell = "harm";           break;
	default: min_level = 16; spell = "dispel magic";   break;
	}

	if (ch->GetLevel () >= min_level)
	    break;
    }

    if ((sn = SkillTable.Lookup (spell)) < 0)
	return FALSE;
    (*SkillTable.GetSpellFunction (sn)) (sn, ch->GetLevel (), ch, victim);
    return TRUE;
}



BOOL spec_cast_mage (CCharacter *ch)
{
    CCharacter *victim;
    CCharacter *v_next;
    char *spell;
    int sn;

    summon_if_hating (ch);

    if (! ch->IsFightPosition ())
	return FALSE;

    for (victim = ch->GetInRoom ()->first_person; victim; victim = v_next)
    {
	v_next = victim->GetNextInRoom ();
	if (victim->GetFightWho () == ch && number_bits (2) == 0)
	    break;
    }

    if (!victim || victim == ch)
	return FALSE;

    for (;;)
    {
	int min_level;

	switch (number_bits (4))
	{
	case  0: min_level =  0; spell = "blindness";      break;
	case  1: min_level =  3; spell = "chill touch";    break;
	case  2: min_level =  7; spell = "weaken";         break;
/* Commented out by Narn, Nov 28/95 at the request of Selic
	case  3: min_level =  8; spell = "teleport";       break; */
	case  4: min_level = 11; spell = "colour spray";   break;
	case  6: min_level = 13; spell = "energy drain";   break;
	case  7:
	case  8:
	case  9: min_level = 15; spell = "fireball";       break;
	default: min_level = 20; spell = "acid blast";     break;
	}

	if (ch->GetLevel () >= min_level)
	    break;
    }

    if ((sn = SkillTable.Lookup (spell)) < 0)
	return FALSE;
    (*SkillTable.GetSpellFunction (sn)) (sn, ch->GetLevel (), ch, victim);
    return TRUE;
}



BOOL spec_cast_undead (CCharacter *ch)
{
    CCharacter *victim;
    CCharacter *v_next;
    char *spell;
    int sn;

    summon_if_hating (ch);

    if (! ch->IsFightPosition ())
	return FALSE;

    for (victim = ch->GetInRoom ()->first_person; victim; victim = v_next)
    {
	v_next = victim->GetNextInRoom ();
	if (victim->GetFightWho () == ch && number_bits (2) == 0)
	    break;
    }

    if (!victim || victim == ch)
	return FALSE;

    for (;;)
    {
	int min_level;

	switch (number_bits (4))
	{
	case  0: min_level =  0; spell = "curse";          break;
	case  1: min_level =  3; spell = "weaken";         break;
	case  2: min_level =  6; spell = "chill touch";    break;
	case  3: min_level =  9; spell = "blindness";      break;
	case  4: min_level = 12; spell = "poison";         break;
	case  5: min_level = 15; spell = "energy drain";   break;
	case  6: min_level = 18; spell = "harm";           break;
/* Commented out by Narn, Nov 28/95
	case  7: min_level = 21; spell = "teleport";       break; */
	default: min_level = 35; spell = "gate";           break;
	}

	if (ch->GetLevel () >= min_level)
	    break;
    }

    if ((sn = SkillTable.Lookup (spell)) < 0)
	return FALSE;
   (*SkillTable.GetSpellFunction (sn)) (sn, ch->GetLevel (), ch, victim);
    return TRUE;
}



BOOL spec_executioner (CCharacter *ch)
{
    char buf[MAX_STRING_LENGTH];
    CMobIndexData *cityguard;
    CCharacter *victim;
    CCharacter *v_next;
    char *crime;

    if (!ch->IsAwake () || ch->GetFightData ())
	return FALSE;

    crime = "";
    for (victim = ch->GetInRoom ()->first_person; victim; victim = v_next)
    {
	v_next = victim->GetNextInRoom ();

	if (!victim->IsNpc () && victim->IsKiller ())
	    { crime = "KILLER"; break; }

	if (!victim->IsNpc () && victim->IsThief ())
	    { crime = "THIEF"; break; }
    }

    if (!victim)
	return FALSE;

    if (ch->GetInRoom ()->IsSafe ())
    {
	sprintf (buf, "%s is a %s!  As well as a COWARD!",
		victim->GetName (), crime);
	do_yell (ch, buf);
	return TRUE;
    }

    sprintf (buf, "%s is a %s!  PROTECT THE INNOCENT!  MORE BLOOOOD!!!",
	victim->GetName (), crime);
    do_shout (ch, buf);
    multi_hit (ch, victim, TYPE_UNDEFINED);
    if (char_died (ch))
      return TRUE;

    /* Added log in case of missing cityguard -- Tri */

    cityguard = MobTable.GetMob (MOB_VNUM_CITYGUARD);

    if (!cityguard)
    {
      sprintf (buf, "Missing Cityguard - Vnum:[%d]", MOB_VNUM_CITYGUARD);
      bug (buf, 0);
      return TRUE;
    }

    create_mobile (cityguard)->SendToRoom (ch->GetInRoom ());
    create_mobile (cityguard)->SendToRoom (ch->GetInRoom ());
    return TRUE;
}


BOOL spec_fido (CCharacter *ch)
{
	CObjData	*corpse;
	CObjData	*obj;

	if (! ch->IsAwake ())
		return FALSE;

	POSITION	pos = ch->GetInRoom ()->GetHeadContentPos ();
	while (corpse = ch->GetInRoom ()->GetNextContent (pos)) {
		if (corpse->item_type != ITEM_CORPSE_NPC)
			continue;

		act (AT_ACTION, "$n savagely devours a corpse.", ch, NULL, NULL, TO_ROOM);
		POSITION	Cpos = corpse->GetHeadContentPos ();
		while (obj = corpse->GetNextContent (Cpos)) {
			obj_from_obj (obj);
			obj_to_room (obj, ch->GetInRoom ());
		}
		extract_obj (corpse);
		return TRUE;
	}

	return FALSE;
}


BOOL spec_guard (CCharacter *ch)
{
    char buf[MAX_STRING_LENGTH];
    CCharacter *victim;
    CCharacter *v_next;
    CCharacter *ech;
    char *crime;
    int max_evil;

    if (!ch->IsAwake () || ch->GetFightData ())
	return FALSE;

    max_evil = 300;
    ech      = NULL;
    crime    = "";

    for (victim = ch->GetInRoom ()->first_person; victim; victim = v_next)
    {
	v_next = victim->GetNextInRoom ();

	if (!victim->IsNpc () && victim->IsKiller ())
	    { crime = "KILLER"; break; }

	if (!victim->IsNpc () && victim->IsThief ())
	    { crime = "THIEF"; break; }

	if (victim->GetFightData () && victim->GetFightWho () != ch
	  && victim->GetAlignment () < max_evil)
	{
	    max_evil = victim->GetAlignment ();
	    ech      = victim;
	}
    }

    if (victim && ch->GetInRoom ()->IsSafe ())
    {
	sprintf (buf, "%s is a %s!  As well as a COWARD!",
		victim->GetName (), crime);
	do_yell (ch, buf);
	return TRUE;
    }

    if (victim)
    {
	sprintf (buf, "%s is a %s!  PROTECT THE INNOCENT!!  BANZAI!!",
		victim->GetName (), crime);
	do_shout (ch, buf);
	multi_hit (ch, victim, TYPE_UNDEFINED);
	return TRUE;
    }

    if (ech)
    {
    act (AT_YELL, "$n screams 'PROTECT THE INNOCENT!!  BANZAI!!",
	    ch, NULL, NULL, TO_ROOM);
	multi_hit (ch, ech, TYPE_UNDEFINED);
	return TRUE;
    }

    return FALSE;
}


BOOL spec_janitor (CCharacter *ch)
{
	CObjData	*trash;

	if (! ch->IsAwake ())
		return FALSE;

	POSITION	pos = ch->GetInRoom ()->GetHeadContentPos ();
	while (trash = ch->GetInRoom ()->GetNextContent (pos)) {
		if (! IS_SET (trash->wear_flags, ITEM_TAKE) || trash->IsBuried ())
			continue;
		if (trash->item_type == ITEM_DRINK_CON
		  || trash->item_type == ITEM_TRASH
		  || trash->cost < 10
		  || (trash->pIndexData->vnum == OBJ_VNUM_SHOPPING_BAG
		  && trash->IsEmpty ())) {
			act (AT_ACTION, "$n picks up some trash.", ch, NULL, NULL, TO_ROOM);
			obj_from_room (trash);
			obj_to_char (trash, ch);
			return TRUE;
		}
	}

	return FALSE;
}



BOOL spec_mayor (CCharacter *ch)
{
    static const char open_path[] =
	"W3a3003b33000c111d0d111Oe333333Oe22c222112212111a1S.";

    static const char close_path[] =
	"W3a3003b33000c111d0d111CE333333CE22c222112212111a1S.";

    static const char *path;
    static int pos;
    static BOOL move;

    if (!move)
    {
	if (time_info.hour ==  6)
	{
	    path = open_path;
	    move = TRUE;
	    pos  = 0;
	}

	if (time_info.hour == 20)
	{
	    path = close_path;
	    move = TRUE;
	    pos  = 0;
	}
    }

    if (ch->GetFightData ())
	return spec_cast_cleric (ch);
    if (!move || ch->GetPosition () < POS_SLEEPING)
	return FALSE;

    switch (path[pos])
    {
    case '0':
    case '1':
    case '2':
    case '3':
	move_char (ch, get_exit (ch->GetInRoom (), path[pos] - '0'), 0);
	break;

    case 'W':
	ch->SetPosition (POS_STANDING);
    act (AT_ACTION, "$n awakens and groans loudly.", ch, NULL, NULL, TO_ROOM);
	break;

    case 'S':
	ch->SetPosition (POS_SLEEPING);
    act (AT_ACTION, "$n lies down and falls asleep.", ch, NULL, NULL, TO_ROOM);
	break;

    case 'a':
    act (AT_SAY, "$n says 'Hello Honey!'", ch, NULL, NULL, TO_ROOM);
	break;

    case 'b':
    act (AT_SAY, "$n says 'What a view!  I must do something about that dump!'",
	    ch, NULL, NULL, TO_ROOM);
	break;

    case 'c':
    act (AT_SAY, "$n says 'Vandals!  Youngsters have no respect for anything!'",
	    ch, NULL, NULL, TO_ROOM);
	break;

    case 'd':
    act (AT_SAY, "$n says 'Good day, citizens!'", ch, NULL, NULL, TO_ROOM);
	break;

    case 'e':
    act (AT_SAY, "$n says 'I hereby declare the town of Darkhaven open!'",
	    ch, NULL, NULL, TO_ROOM);
	break;

    case 'E':
    act (AT_SAY, "$n says 'I hereby declare the town of Darkhaven closed!'",
	    ch, NULL, NULL, TO_ROOM);
	break;

    case 'O':
	do_unlock (ch, "gate");
	do_open (ch, "gate");
	break;

    case 'C':
	do_close (ch, "gate");
	do_lock (ch, "gate");
	break;

    case '.' :
	move = FALSE;
	break;
    }

    pos++;
    return FALSE;
}



BOOL spec_poison (CCharacter *ch)
{
    CCharacter *victim;

    if (! ch->IsFightPosition ()
    || (victim = ch->GetFightWho ()) == NULL
    ||   number_percent () > 2 * ch->GetLevel ())
	return FALSE;

    act (AT_HIT, "You bite $N!",  ch, NULL, victim, TO_CHAR   );
    act (AT_ACTION, "$n bites $N!",  ch, NULL, victim, TO_NOTVICT);
    act (AT_POISON, "$n bites you!", ch, NULL, victim, TO_VICT   );
    spell_poison (gsn_poison, ch->GetLevel (), ch, victim);
    return TRUE;
}



BOOL spec_thief (CCharacter *ch)
{
    CCharacter *victim;
    CCharacter *v_next;
    int gold, maxgold;

    if (ch->GetPosition () != POS_STANDING)
	return FALSE;

    for (victim = ch->GetInRoom ()->first_person; victim; victim = v_next)
    {
	v_next = victim->GetNextInRoom ();

	if (victim->IsNpc ()
	||   victim->GetLevel () >= LEVEL_IMMORTAL
	||   number_bits (2) != 0
	||   !can_see (ch, victim))	/* Thx Glop */
	    continue;

	if (victim->IsAwake () && number_range (0, ch->GetLevel ()) == 0)
	{
	    act (AT_ACTION, "You discover $n's hands in your sack of gold!",
		ch, NULL, victim, TO_VICT);
	    act (AT_ACTION, "$N discovers $n's hands in $S sack of gold!",
		ch, NULL, victim, TO_NOTVICT);
	    return TRUE;
	}
	else
	{
	    maxgold = ch->GetLevel () * ch->GetLevel () * 1000;
	    gold = victim->GetGold ()
	    	 * number_range (1, URANGE (2, ch->GetLevel ()/4, 10)) / 100;
	    ch->AddGold (9 * gold / 10);
	    victim->AddGold (-gold);
	    if (ch->GetGold () > maxgold)
	    {
		ch->GetInRoom ()->GetArea ()->BoostEconomy (ch->GetGold () - maxgold/2);
		ch->SetGold (maxgold/2);
	    }
	    return TRUE;
	}
    }

    return FALSE;
}