view src/plasma.c @ 18:1424868939a8

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author darius
date Wed, 24 Dec 1997 12:38:35 +0000
parents 8c6d5731234d
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/*--------------------------------------------------------------------------
NETREK II -- Paradise

Permission to use, copy, modify, and distribute this software and its
documentation, or any derivative works thereof, for any NON-COMMERCIAL
purpose and without fee is hereby granted, provided that this copyright
notice appear in all copies.  No representations are made about the
suitability of this software for any purpose.  This software is provided
"as is" without express or implied warranty.

    Xtrek Copyright 1986                            Chris Guthrie
    Netrek (Xtrek II) Copyright 1989                Kevin P. Smith
                                                    Scott Silvey
    Paradise II (Netrek II) Copyright 1993          Larry Denys
                                                    Kurt Olsen
                                                    Brandon Gillespie
--------------------------------------------------------------------------*/

#include "config.h"
#include <stdio.h>
#include <sys/types.h>
#include <sys/ipc.h>
#include <sys/shm.h>
#include "defs.h"
#include "struct.h"
#include "data.h"
#include "shmem.h"





/*-----------------------------VISIBLE FUNCTIONS---------------------------*/

/*--------------------------------NPLASMATORP------------------------------*/
/*
 * This function fires a plasma torp.  It checks a number of conditions to
 * see if it is allowable to fire a plasma torp.  If so the the plasma if
 * fire. The two styles of plasma torp are ones that fire in the direction
 * the ship is going and ones that can fire independent of the ships
 * direction.
 */

void
nplasmatorp(course, type)
  unsigned char course;		/* direction plasma should go */
  int type;			/* type of plasma */
{
  register int i;		/* looping var */
  register struct plasmatorp *k;/* to point to plasma torp */

  if (weaponsallowed[WP_PLASMA] == 0)
  {				/* are plasmas enabled */
    warning("Plasmas haven't been invented yet.");
    return;
  }
  if (me->p_ship.s_plasma.cost <= 0)
  {				/* ship can have plasma */
    warning("Weapon's Officer:  Captain, this ship can't carry plasma torpedoes!");
    return;
  }
  if (!(me->p_specweap & SFNPLASMAARMED))
  {				/* ship equiped with plasma */
    warning("Weapon's Officer:  Captain, this ship is not armed with plasma torpedoes!");
    return;
  }
  if (me->p_flags & PFWEP)
  {				/* ship not w-temped */
    warning("Plasma torpedo launch tube has exceeded the maximum safe temperature!");
    return;
  }
  if (me->p_nplasmatorp == MAXPLASMA)
  {
    warning("Our fire control system limits us to 1 live torpedo at a time captain!");
    return;
  }
  if (me->p_fuel < myship->s_plasma.cost)
  {				/* have enough fuel? */
    warning("We don't have enough fuel to fire a plasma torpedo!");
    return;
  }
  if (me->p_flags & PFREPAIR)
  {				/* not while in repair mode */
    warning("We cannot fire while our vessel is undergoing repairs.");
    return;
  }
  if ((me->p_cloakphase) && (me->p_ship.s_type != ATT))
  {
    warning("We are unable to fire while in cloak, captain!");
    return;			/* not while cloaked */
  }

  if (!check_fire_warp()
      || !check_fire_warpprep()
      || !check_fire_docked())
    return;
  me->p_nplasmatorp++;		/* inc plasma torps fired */
  me->p_fuel -= myship->s_plasma.cost;	/* take off the fuel */
  me->p_wtemp += myship->s_plasma.wtemp;	/* do the w-temp */
  for (i = me->p_no * MAXPLASMA, k = &plasmatorps[i];
       i < (me->p_no + 1) * MAXPLASMA; i++, k++)
  {
    if (k->pt_status == PTFREE)	/* find a free plasma to fire */
      break;
  }

  k->pt_no = i;			/* set plasmas number */
  k->pt_status = type;		/* set what type plasma is */
  k->pt_owner = me->p_no;	/* set the owner */
  k->pt_team = me->p_team;	/* set the team */
  k->pt_x = me->p_x;		/* set starting coords */
  k->pt_y = me->p_y;
  if (myship->s_nflags & SFNPLASMASTYLE)	/* depending on type set */
    k->pt_dir = course;		/* any direction */
  else
    k->pt_dir = me->p_dir;	/* or straight ahead of ship */
  k->pt_damage = myship->s_plasma.damage;	/* set the damage it will do */
  k->pt_speed = myship->s_plasma.speed;	/* set its speed */
  k->pt_war = me->p_hostile | me->p_swar;	/* who it doesn't like */
  k->pt_fuse = myship->s_plasma.fuse;	/* how long it will live */
  k->pt_turns = myship->s_plasma.aux;	/* how much will it track */
}

/*-------------------------------------------------------------------------*/





/*------END OF FILE-----*/