/* wands.c: wand code

   Copyright (c) 1989 James E. Wilson, Robert A. Koeneke

   This software may be copied and distributed for educational, research, and
   not for profit purposes provided that this copyright and statement are
   included in all such copies. */

#include "constant.h"
#include "config.h"
#include "types.h"
#include "externs.h"

#ifdef USG
#ifndef ATARIST_MWC
#include <string.h>
#endif
#else
#include <strings.h>
#endif

/* Wands for the aiming.				*/
void aim()
{
  int32u i;
  register int l, ident;
  int item_val, done_effect, j, k, chance, dir;
  register inven_type *i_ptr;
  register struct misc *m_ptr;

  free_turn_flag = TRUE;
  if (inven_ctr == 0)
    msg_print("But you are not carrying anything.");
  else if (!find_range(TV_WAND, TV_NEVER, &j, &k))
    msg_print("You are not carrying any wands.");
  else if (get_item(&item_val, "Aim which wand?", j, k, 0))
    {
      i_ptr = &inventory[item_val];
      free_turn_flag = FALSE;
      if (get_dir(NULL, &dir))
	{
	  if (py.flags.confused > 0)
	    {
	      msg_print("You are confused.");
	      do
		{
		  dir = randint(9);
		}
	      while (dir == 5);
	    }
	  ident = FALSE;
	  m_ptr = &py.misc;
	  chance = m_ptr->save + stat_adj(A_INT) - (int)i_ptr->level
	    + (class_level_adj[m_ptr->pclass][CLA_DEVICE] * m_ptr->lev / 3);
	  if (py.flags.confused > 0)
	    chance = chance / 2;
	  if (chance <= 0)  chance = 1;
	  if (randint(chance) < USE_DEVICE)
	    msg_print("You failed to use the wand properly.");
	  else if (i_ptr->p1 > 0)
	    {
	      i = i_ptr->flags;
	      done_effect = 0;
	      (i_ptr->p1)--;
	      while (!done_effect)
		{
		  k = char_row;
		  l = char_col;
		  switch(i)
		    {
		    case WD_LT:
		      msg_print("A line of blue shimmering light appears.");
		      light_line(dir, char_row, char_col);
		      ident = TRUE;
		      done_effect = 1;
		      break;
		    case WD_DRG_FIRE:
		      fire_ball(GF_FIRE,dir,k,l,100,
				        "huge ball of Fire");
		      ident = TRUE;
		      done_effect = 1;
		      break;
		    case WD_DRG_FRST:
		      fire_ball(GF_FROST,dir,k,l,80,
				        "huge ball of Frost");
		      ident = TRUE;
		      done_effect = 1;
		      break;
		    case WD_DRG_BREA:
		      switch(randint(5)) {
		      case 1:
			fire_ball(GF_FIRE,dir,k,l,100,
				"huge ball of Fire"); break;
		      case 2:
			fire_ball(GF_FROST,dir,k,l,80,
				"huge ball of Frost"); break;
		      case 3:
			fire_ball(GF_ACID,dir,k,l,90,
				"huge ball of Acid"); break;
		      case 4:
			fire_ball(GF_LIGHTNING,dir,k,l,70,
				"huge ball of Lightning"); break;
		      default:
			fire_ball(GF_POISON_GAS,dir,k,l,70,
				"huge ball of Gas"); break;
		      }
                      ident = TRUE;
		      done_effect = 1;
		      break;
        	    case WD_AC_BLTS: /* Acid , New */
		      fire_bolt(GF_ACID,dir,k,l,damroll(5,8),"Acid Bolt");
		      ident=TRUE;
		      done_effect=1;
		      break;
		    case WD_LT_BLTS: /* Lightning */
		      fire_bolt(GF_LIGHTNING, dir, k, l, damroll(3, 8),
				spell_names[10]);
		      ident = TRUE;
		      done_effect = 1;
		      break;
		    case WD_FT_BLTS: /* Frost*/
		      fire_bolt(GF_FROST, dir, k, l, damroll(4, 8),
				spell_names[16]);
		      ident = TRUE;
		      done_effect = 1;
		      break;
		    case WD_FR_BLTS: /* Fire */
		      fire_bolt(GF_FIRE, dir, k, l, damroll(6, 8),
				spell_names[24]);
		      ident = TRUE;
		      done_effect = 1;
		      break;
		    case WD_ST_MUD:
		      ident = wall_to_mud(dir, k, l);
		      done_effect = 1;
		      break;
		    case WD_POLY:
		      ident = poly_monster(dir, k, l);
		      done_effect = 1;
		      break;
		    case WD_HEAL_MN:
		      ident = hp_monster(dir, k, l, -damroll(4, 6));
		      done_effect = 1;
		      break;
		    case WD_HAST_MN:
		      ident = speed_monster(dir, k, l, 1);
		      done_effect = 1;
		      break;
		    case WD_SLOW_MN:
		      ident = speed_monster(dir, k, l, -1);
		      done_effect = 1;
		      break;
		    case WD_CONF_MN:
		      ident = confuse_monster(dir, k, l);
		      done_effect = 1;
		      break;
		    case WD_SLEE_MN:
		      ident = sleep_monster(dir, k, l);
		      done_effect = 1;
		      break;
		    case WD_DRAIN:
		      ident = drain_life(dir, k, l, 75);
		      done_effect = 1;
		      break;
		    case WD_ANHIL:
		      ident = drain_life(dir, k, l, 125);
		      done_effect = 1;
		      break;
        	    case WD_TR_DEST:
		      ident = td_destroy2(dir, k, l);
		      done_effect = 1;
		      break;
		    case WD_MAG_MIS:
		      fire_bolt(GF_MAGIC_MISSILE, dir, k, l, damroll(2, 6),
				spell_names[0]);
		      ident = TRUE;
		      done_effect = 1;
		      break;
		    case WD_NOT_USED: /* No longer used (wonder??) */
		      ident = build_wall(dir, k, l);
		      done_effect = 1;
		      break;
		    case WD_CLONE:
		      ident = clone_monster(dir, k, l);
		      done_effect = 1;
		      break;
		    case WD_TELE:
		      ident = teleport_monster(dir, k, l);
		      done_effect = 1;
		      break;
		    case WD_DISARM:
		      ident = disarm_all(dir, k, l);
		      done_effect = 1;
		      break;
		    case WD_LT_BALL:
		      fire_ball(GF_LIGHTNING, dir, k, l, 32, "Lightning Ball");
		      ident = TRUE;
		      done_effect = 1;
		      break;
		    case WD_CD_BALL:
		      fire_ball(GF_FROST, dir, k, l, 48, "Cold Ball");
		      ident = TRUE;
		      done_effect = 1;
		      break;
		    case WD_FR_BALL:
		      fire_ball(GF_FIRE, dir, k, l, 72, spell_names[30]);
		      ident = TRUE;
		      done_effect = 1;
		      break;
		    case WD_ST_CLD:
		      fire_ball(GF_POISON_GAS, dir, k, l, 12, spell_names[8]);
		      ident = TRUE;
		      done_effect = 1;
		      break;
		    case WD_AC_BALL:
		      fire_ball(GF_ACID, dir, k, l, 60, "Acid Ball");
		      ident = TRUE;
		      done_effect = 1;
		      break;
		    case WD_WONDER:
		      i = randint(23);
		      break;
		    default:
		      msg_print("Internal error in wands() ");
		      done_effect = 1;
		      break;
		    }
		  /* End of Wands.		    */
		}
	      if (ident)
		{
		  if (!known1_p(i_ptr))
		    {
		      m_ptr = &py.misc;
		      /* round half-way case up */
		      m_ptr->exp += (i_ptr->level +(m_ptr->lev >> 1)) /
			m_ptr->lev;
		      prt_experience();

		      identify(&item_val);
		      i_ptr = &inventory[item_val];
		    }
		}
	      else if (!known1_p(i_ptr))
		sample (i_ptr);
	      desc_charges(item_val);
	    }
	  else
	    {
	      msg_print("The wand has no charges left.");
	      if (!known2_p(i_ptr))
		add_inscribe(i_ptr, ID_EMPTY);
	    }
	}
    }
}