/*
  DaleMUD v2.0	Released 2/1994
  See license.doc for distribution terms.   DaleMUD is based on DIKUMUD
*/

#include <stdio.h>

#include "protos.h"

extern struct char_data *character_list;

/* struct room_data *real_roomp(int); */

extern int TrapDir[];

void NailThisSucker( struct char_data *ch);

void TrapPoison(struct char_data *v, struct obj_data *i); /* move to protos.h later... */

void do_settrap( struct char_data *ch, char *arg, int cmd)
{

  /* parse for directions */

/* trap that affects all directions is an AE trap */

  /* parse for type       */
  /* parse for level      */

}

int CheckForMoveTrap(struct char_data *ch, int dir)
{
  struct obj_data *i;
  int trig=FALSE;
  
  for (i = real_roomp(ch->in_room)->contents; i; i = i->next_content) {
    if ((ITEM_TYPE(i) == ITEM_TRAP) && (GET_TRAP_CHARGES(i) > 0))
        if ( IS_SET(GET_TRAP_EFF(i), TrapDir[dir]) &&
             IS_SET(GET_TRAP_EFF(i), TRAP_EFF_MOVE) ) 
	   return(TriggerTrap(ch, i));
  }
  return(FALSE);
}

int CheckForInsideTrap(struct char_data *ch, struct obj_data *i)
{
  struct obj_data *t;

  for (t = i->contains; t; t = t->next_content) {
    if ((ITEM_TYPE(t) == ITEM_TRAP) && 
	(IS_SET(GET_TRAP_EFF(t),TRAP_EFF_OBJECT)) &&
	(GET_TRAP_CHARGES(t) > 0)) {
	   return(TriggerTrap(ch, t));  
	 }
  }
  return(FALSE);
}

int CheckForAnyTrap(struct char_data *ch, struct obj_data *i)
{
    if ((ITEM_TYPE(i) == ITEM_TRAP) && 
	(GET_TRAP_CHARGES(i) > 0))
	   return(TriggerTrap(ch, i));

  return(FALSE);
}



int CheckForGetTrap(struct char_data *ch, struct obj_data *i)
{
    if ((ITEM_TYPE(i) == ITEM_TRAP) && 
	(IS_SET(GET_TRAP_EFF(i),TRAP_EFF_OBJECT)) &&
	(GET_TRAP_CHARGES(i) > 0)) {
	   return(TriggerTrap(ch, i));  
	 }
    return(FALSE);
}



int TriggerTrap( struct char_data *ch, struct obj_data *i)
{
  int adj, fireperc, roll;
  struct char_data *v;

  extern struct dex_app_type dex_app[];

  if (ITEM_TYPE(i) == ITEM_TRAP) 
  {
    if (i->obj_flags.value[TRAP_CHARGES]) 
    {

#if 0  
          /* I did not like this, traps should just go off unless you can */
    	   /* detect and disarm them I disable this stuff */
    	   
	/* the lower level you are the more likly you are to set the */
	/* trap off. 						     */
        adj = GET_TRAP_LEV(i) - GetMaxLevel(ch);	 
	/* Dex bonus... */
	adj -= dex_app[GET_DEX(ch)].reaction * 5;
	fireperc = 95 + adj;
	roll = number(1,100);
	if (roll < fireperc) {   /* trap is sprung */
	
#endif	
      
	act("You hear a strange noise...", TRUE, ch, 0, 0, TO_ROOM);
	act("You hear a strange noise...", TRUE, ch, 0, 0, TO_CHAR);
	  GET_TRAP_CHARGES(i) -= 1;
					/* make sure room fire off works! */
	  if (IS_SET(GET_TRAP_EFF(i),TRAP_EFF_ROOM)) 
	  {
	    for (v = real_roomp(ch->in_room)->people;v;v = v->next_in_room) 
	    {
	      FindTrapDamage(v,i);
	    }	    /* end for */
	  } /* end is_set */ 
	   else 
	  {
	    FindTrapDamage(ch,i);
	  } /* end was not fire trap */
	return(TRUE);
       
       } /* end trap had charges */	
   return(FALSE);
  }
  return(FALSE);
}

void FindTrapDamage( struct char_data *v, struct obj_data *i)
{
/*
   trap types < 0 are special
*/

  if (GET_TRAP_DAM_TYPE(i) >= 0) {
    TrapDamage(v,GET_TRAP_DAM_TYPE(i),3*GET_TRAP_LEV(i),i);
  } else {
     TrapDamage(v, GET_TRAP_DAM_TYPE(i), 0,i);
  }

}

void TrapDamage(struct char_data *v, int damtype, int amnt, struct obj_data *t)
{
  char buf[132];

  amnt = SkipImmortals(v, amnt,damtype);
  if (amnt == -1) {
    return;
  }

  if (IS_AFFECTED(v, AFF_SANCTUARY))
       	   amnt = MAX((int)(amnt/2), 0);  /* Max 1/2 damage when sanct'd */
        
   amnt = PreProcDam(v, damtype, amnt);

   if (saves_spell(v, SAVING_PETRI))
     amnt = MAX((int)(amnt/2),0);

   DamageStuff(v, damtype, amnt);

   amnt=MAX(amnt,0);

   GET_HIT(v)-=amnt;

   update_pos(v);

   TrapDam(v, damtype, amnt, t);

   InformMess(v);
   if (GET_POS(v) == POSITION_DEAD) {
     if (!IS_NPC(v)) {
       if (real_roomp(v->in_room)->name)
	 sprintf(buf, "%s killed by a trap at %s",
		 GET_NAME(v),
		 real_roomp(v->in_room)->name);
       log(buf);
     }
     
     die(v,NULL);
   }
} 

void TrapDam(struct char_data *v, int damtype, int amnt, struct obj_data *t)
{

  char desc[20];
  char buf[132];

  /* easier than dealing with message(ug) */
  switch(damtype) {
  case TRAP_DAM_PIERCE:
    strcpy(desc,"pierced");
    break;
  case TRAP_DAM_SLASH:
    strcpy(desc,"sliced");
    break;
  case TRAP_DAM_BLUNT:
    strcpy(desc,"pounded");
    break;
  case TRAP_DAM_FIRE:
    strcpy(desc,"seared");
    break;
  case TRAP_DAM_COLD:
    strcpy(desc, "frozen");
    break;
  case TRAP_DAM_ACID:
    strcpy(desc, "corroded");
    break;
  case TRAP_DAM_ENERGY:
    strcpy(desc, "blasted");
    break;
  case TRAP_DAM_SLEEP:
    strcpy(desc, "knocked out");
    break;
  case TRAP_DAM_TELEPORT:
    strcpy(desc, "transported");
    break;
 case TRAP_DAM_POISON:
   strcpy(desc, "poisoned");
   break;
  default:				/* need a poison trap! */
    strcpy(desc, "blown away");
    break;
  }
   
  if ((damtype != TRAP_DAM_TELEPORT)   &&
      (damtype != TRAP_DAM_SLEEP)      &&
      (damtype != TRAP_DAM_POISON)) {	   /* check for poison trap here */
      if (amnt > 0) {
    sprintf(buf, "$n is %s by $p!", desc);
    act(buf,TRUE,v,t,0,TO_ROOM);
    sprintf(buf, "You are %s by $p!", desc);
    act(buf,TRUE,v,t,0,TO_CHAR);
      } else {
    sprintf(buf, "$n is almost %s by $p!", desc);
    act(buf,TRUE,v,t,0,TO_ROOM);
    sprintf(buf, "You are almost %s by $p!", desc);
    act(buf,TRUE,v,t,0,TO_CHAR);
      }
  }

  if (damtype == TRAP_DAM_TELEPORT) {
    TrapTeleport(v);
  } else if (damtype == TRAP_DAM_SLEEP) {
    TrapSleep(v); 
  } else if (damtype == TRAP_DAM_POISON) {
    TrapPoison(v,t);
  }

}


void TrapTeleport(struct char_data *v) 
{
  int to_room,try = 0;
  extern int top_of_world;      /* ref to the top element of world */
  struct room_data *room;
  
  if (saves_spell(v,SAVING_SPELL)) {
    send_to_char("You feel strange, but the effect fades.\n\r",v);
    return;
  } 

  do {					/* do .. while bug fixed, msw */
    to_room = number(0, top_of_world);
    room = real_roomp(to_room);
    if (room) {
      if ((IS_SET(room->room_flags, PRIVATE)) ||
	  (IS_SET(room->room_flags, TUNNEL)) ||
	  (IS_SET(room->room_flags, NO_SUM)) ||
	  (IS_SET(room->room_flags, NO_MAGIC)) ||
	  !IsOnPmp(to_room)) {
	room = 0;
        try++;
	}
    }
    
  } while (!room && try < 10);

  if (try >= 10) {
    send_to_char("The magic fails, you got lucky!\n\r", v);
    return;
  }
  
  act("$n slowly fade out of existence.", FALSE, v,0,0,TO_ROOM);
  char_from_room(v);
  char_to_room(v, to_room);
  act("$n slowly fade in to existence.", FALSE, v,0,0,TO_ROOM);
  
  do_look(v, "", 0);
  
  if (IS_SET(real_roomp(to_room)->room_flags, DEATH) && 
      GetMaxLevel(v) < LOW_IMMORTAL) {
    NailThisSucker(v);
  }
}

void TrapSleep(struct char_data *v)
{
  
  struct affected_type af;
  
  if ( !saves_spell(v, SAVING_SPELL) )  {
    af.type      = SPELL_SLEEP;
    af.duration  = 12;
    af.modifier  = 0;
    af.location  = APPLY_NONE;
    af.bitvector = AFF_SLEEP;
    affect_join(v, &af, FALSE, FALSE);
    
    if (GET_POS(v)>POSITION_SLEEPING)    {
      act("You feel very sleepy ..... zzzzzz",FALSE,v,0,0,TO_CHAR);
      act("$n goes to sleep.",TRUE,v,0,0,TO_ROOM);
      GET_POS(v)=POSITION_SLEEPING;
    }
  } else {
    send_to_char("You feel sleepy,but you recover\n\r",v);
  }
  
}

void TrapPoison(struct char_data *v, struct obj_data *t)
{
      act("You feel sick.",FALSE,v,0,0,TO_CHAR);
      act("$n looks sick.",TRUE,v,0,0,TO_ROOM);
      cast_poison(GET_TRAP_LEV(t),v, "", SPELL_TYPE_SPELL, v, 0);
}

void InformMess( struct char_data *v)
{
  
  switch (GET_POS(v)) {
  case POSITION_MORTALLYW:
    act("$n is mortally wounded, and will die soon, if not aided.", 
	TRUE, v, 0, 0, TO_ROOM);
    act("You are mortally wounded, and will die soon, if not aided.", 
	FALSE, v, 0, 0, TO_CHAR);
    break;
  case POSITION_INCAP:
    act("$n is incapacitated and will slowly die, if not aided.", 
	TRUE, v, 0, 0, TO_ROOM);
    act("You are incapacitated and you will slowly die, if not aided.", 
	FALSE, v, 0, 0, TO_CHAR);
    break;
  case POSITION_STUNNED:
    act("$n is stunned, but will probably regain consciousness.", 
	TRUE, v, 0, 0, TO_ROOM);
    act("You're stunned, but you will probably regain consciousness.", 
	FALSE, v, 0, 0, TO_CHAR);
    break;
  case POSITION_DEAD:
    act("$n is dead! R.I.P.", TRUE, v, 0, 0, TO_ROOM);
    act("You are dead!  Sorry...", FALSE, v, 0, 0, TO_CHAR);
    break;
  default:  /* >= POSITION SLEEPING */
    break;
  }
}