server/common/utils.C

/*
 * CrossFire, A Multiplayer game for X-windows
 * 
 * Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team
 * Copyright (C) 2002 Mark Wedel & Crossfire Development Team
 * Copyright (C) 1992 Frank Tore Johansen
 * 
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 * The authors can be reached via e-mail at <crossfire@schmorp.de>
 */

/*
 * General convenience functions for crossfire.
 */

#include <cstdlib>
#include <sys/types.h>
#include <unistd.h>
#include <sys/time.h>
#include <time.h>
#include <signal.h>

#include <global.h>
#include <funcpoint.h>
#include <material.h>

#include <glib.h>

rand_gen rndm;

void
tausworthe_random_generator::seed (uint32_t seed)
{
  state [0] = seed      * 69069U; if (state [0] <  2U) state [0] +=   2U;
  state [1] = state [0] * 69069U; if (state [0] <  8U) state [0] +=   8U;
  state [2] = state [1] * 69069U; if (state [0] < 16U) state [0] +=  16U;
  state [3] = state [2] * 69069U; if (state [0] < 128) state [0] += 128U;

  for (int i = 11; --i; )
    operator ()();
}

uint32_t
tausworthe_random_generator::next ()
{
  state [0] = ((state [0] & 0xFFFFFFFEU) << 18U) ^ (((state [0] <<  6U) ^ state [0]) >> 13U);
  state [1] = ((state [1] & 0xFFFFFFF8U) <<  2U) ^ (((state [1] <<  2U) ^ state [1]) >> 27U);
  state [2] = ((state [2] & 0xFFFFFFF0U) <<  7U) ^ (((state [2] << 13U) ^ state [2]) >> 21U);
  state [3] = ((state [3] & 0xFFFFFF80U) << 13U) ^ (((state [3] <<  3U) ^ state [3]) >> 12U);

  return state [0] ^ state [1] ^ state [2] ^ state [3];
}

uint32_t
tausworthe_random_generator::get_range (uint32_t num)
{
  return (next () * (uint64_t)num) >> 32U;
}

// return a number within (min .. max)
int 
tausworthe_random_generator::get_range (int r_min, int r_max)
{
  return r_min + get_range (max (r_max - r_min + 1, 0));
}

/*
 * The random functions here take luck into account when rolling random
 * dice or numbers.  This function has less of an impact the larger the
 * difference becomes in the random numbers.  IE, the effect is lessened
 * on a 1-1000 roll, vs a 1-6 roll.  This can be used by crafty programmers,
 * to specifically disable luck in certain rolls, simply by making the
 * numbers larger (ie, 1d1000 > 500 vs 1d6 > 3)
 */

/*
 * Roll a random number between min and max.  Uses op to determine luck,
 * and if goodbad is non-zero, luck increases the roll, if zero, it decreases.
 * Generally, op should be the player/caster/hitter requesting the roll,
 * not the recipient (ie, the poor slob getting hit). [garbled 20010916]
 */
int
random_roll (int r_min, int r_max, const object *op, int goodbad)
{
  int base = r_max - r_min > 1 ? 20 : 50;     /* d2 and d3 are corner cases */

  if (r_max < 1 || r_max < r_min)
    {
      LOG (llevError, "Calling random_roll with min=%d max=%d\n", r_min, r_max);
      return r_min;
    }

  if (op->type == PLAYER)
    {
      int luck = op->stats.luck;

      if (rndm (base) < min (10, abs (luck)))
        {
          //TODO: take luck into account
        }
    }

  return rndm (r_min, r_max);
}

/*
 * This is a 64 bit version of random_roll above.  This is needed
 * for exp loss calculations for players changing religions.
 */
sint64
random_roll64 (sint64 min, sint64 max, const object *op, int goodbad)
{
  sint64 omin, diff, luck, ran;
  int base;

  omin = min;
  diff = max - min + 1;
  ((diff > 2) ? (base = 20) : (base = 50));     /* d2 and d3 are corner cases */

  if (max < 1 || diff < 1)
    {
      LOG (llevError, "Calling random_roll with min=%" PRId64 " max=%" PRId64 "\n", min, max);
      return (min);             /* avoids a float exception */
    }

  /* 
   * Make a call to get two 32 bit unsigned random numbers, and just to
   * a little bitshifting.
   */
  ran = (sint64) rndm.next () ^ ((sint64) rndm.next () << 31);

  if (op->type != PLAYER)
    return ((ran % diff) + min);

  luck = op->stats.luck;
  if (rndm (base) < MIN (10, abs (luck)))
    {
      /* we have a winner */
      ((luck > 0) ? (luck = 1) : (luck = -1));
      diff -= luck;
      if (diff < 1)
        return (omin);          /*check again */
      ((goodbad) ? (min += luck) : (diff));

      return (MAX (omin, MIN (max, (ran % diff) + min)));
    }

  return ((ran % diff) + min);
}

/*
 * Roll a number of dice (2d3, 4d6).  Uses op to determine luck,
 * If goodbad is non-zero, luck increases the roll, if zero, it decreases.
 * Generally, op should be the player/caster/hitter requesting the roll,
 * not the recipient (ie, the poor slob getting hit).
 * The args are num D size (ie 4d6)  [garbled 20010916]
 */

int
die_roll (int num, int size, const object *op, int goodbad)
{
  int min, diff, luck, total, i, gotlucky, base;

  diff = size;
  min = 1;
  luck = total = gotlucky = 0;
  ((diff > 2) ? (base = 20) : (base = 50));     /* d2 and d3 are corner cases */
  if (size < 2 || diff < 1)
    {
      LOG (llevError, "Calling die_roll with num=%d size=%d\n", num, size);
      return (num);             /* avoids a float exception */
    }

  if (op->type == PLAYER)
    luck = op->stats.luck;

  for (i = 0; i < num; i++)
    {
      if (rndm (base) < MIN (10, abs (luck)) && !gotlucky)
        {
          /* we have a winner */
          gotlucky++;
          ((luck > 0) ? (luck = 1) : (luck = -1));
          diff -= luck;
          if (diff < 1)
            return (num);       /*check again */
          ((goodbad) ? (min += luck) : (diff));
          total += MAX (1, MIN (size, rndm (diff) + min));
        }
      else
        total += rndm (size) + 1;
    }

  return total;
}

/* decay and destroy perishable items in a map */
void
maptile::decay_objects ()
{
  if (!spaces)
    return;

  for (mapspace *ms = spaces + size (); ms-- > spaces; )
    for (object *above, *op = ms->bot; op; op = above)
      {
        above = op->above;

        bool destroy = 0;

        // do not decay anything above unique floor tiles (yet :)
        if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE))
          break;

        if (QUERY_FLAG (op, FLAG_IS_FLOOR)
            || QUERY_FLAG (op, FLAG_OBJ_ORIGINAL)
            || QUERY_FLAG (op, FLAG_OBJ_SAVE_ON_OVL)
            || QUERY_FLAG (op, FLAG_UNIQUE)
            || QUERY_FLAG (op, FLAG_OVERLAY_FLOOR)
            || QUERY_FLAG (op, FLAG_UNPAID)
            || op->is_alive ())
          ; // do not decay
        else if (op->is_weapon ())
          {
            op->stats.dam--;
            if (op->stats.dam < 0)
              destroy = 1;
          }
        else if (op->is_armor ())
          {
            op->stats.ac--;
            if (op->stats.ac < 0)
              destroy = 1;
          }
        else if (op->type == FOOD)
          {
            op->stats.food -= rndm (5, 20);
            if (op->stats.food < 0)
              destroy = 1;
          }
        else
          {
            int mat = op->materials;

            if (mat & M_PAPER
                || mat & M_LEATHER
                || mat & M_WOOD
                || mat & M_ORGANIC
                || mat & M_CLOTH
                || mat & M_LIQUID
                || (mat & M_IRON  && rndm (1, 5) == 1)
                || (mat & M_GLASS && rndm (1, 2) == 1)
                || ((mat & M_STONE      || mat & M_ADAMANT) && rndm (1, 10) == 1)
                || ((mat & M_SOFT_METAL || mat & M_BONE)    && rndm (1, 3)  == 1)
                || (mat & M_ICE && temp > 32))
              destroy = 1;
          }

        /* adjust overall chance below */
        if (destroy && rndm (0, 1))
          op->destroy ();
      }
}

/* convert materialname to materialtype_t */

materialtype_t *
name_to_material (const shstr &name)
{
  for (materialtype_t *mt = materialt; mt && mt->next; mt = mt->next)
    if (name == mt->name)
      return mt;

  return materialt;
}

/* when doing transmutation of objects, we have to recheck the resistances,
 * as some that did not apply previously, may apply now.
 */

void
transmute_materialname (object *op, const object *change)
{
  materialtype_t *mt;
  int j;

  if (op->materialname == NULL)
    return;

  if (change->materialname != NULL && strcmp (op->materialname, change->materialname))
    return;

  if (!op->is_armor ())
    return;

  mt = name_to_material (op->materialname);
  if (!mt)
    {
      LOG (llevError, "archetype '%s>%s' uses nonexistent material '%s'\n", &op->arch->name, &op->name, &op->materialname);
      return;
    }

  for (j = 0; j < NROFATTACKS; j++)
    if (op->resist[j] == 0 && change->resist[j] != 0)
      {
        op->resist[j] += mt->mod[j];
        if (op->resist[j] > 100)
          op->resist[j] = 100;
        if (op->resist[j] < -100)
          op->resist[j] = -100;
      }
}

/* set the materialname and type for an item */
void
set_materialname (object *op, int difficulty, materialtype_t *nmt)
{
  materialtype_t *mt, *lmt;

#ifdef NEW_MATERIAL_CODE
  int j;
#endif

  if (op->materialname != NULL)
    return;


  if (nmt == NULL)
    {
      lmt = NULL;
#ifndef NEW_MATERIAL_CODE
      for (mt = materialt; mt && mt->next; mt = mt->next)
        {
          if (op->materials & mt->material)
            {
              lmt = mt;
              break;
            }
        }

#else
      for (mt = materialt; mt && mt->next; mt = mt->next)
        {
          if (op->materials & mt->material && rndm (1, 100) <= mt->chance &&
              difficulty >= mt->difficulty && (op->magic >= mt->magic || mt->magic == 0))
            {
              lmt = mt;
              if (!(op->is_weapon () || op->is_armor ()))
                break;
            }
        }
#endif
    }
  else
    {
      lmt = nmt;
    }

  if (lmt != NULL)
    {
#ifndef NEW_MATERIAL_CODE
      op->materialname = lmt->name;
      return;
#else

      if (op->stats.dam && op->is_weapon ())
        {
          op->stats.dam += lmt->damage;
          if (op->stats.dam < 1)
            op->stats.dam = 1;
        }

      if (op->stats.sp && op->type == BOW)
        op->stats.sp += lmt->sp;
      if (op->stats.wc && op->is_weapon ())
        op->stats.wc += lmt->wc;
      if (op->is_armor ())
        {
          if (op->stats.ac)
            op->stats.ac += lmt->ac;
          for (j = 0; j < NROFATTACKS; j++)
            if (op->resist[j] != 0)
              {
                op->resist[j] += lmt->mod[j];
                if (op->resist[j] > 100)
                  op->resist[j] = 100;
                if (op->resist[j] < -100)
                  op->resist[j] = -100;
              }
        }
      op->materialname = lmt->name;
      /* dont make it unstackable if it doesn't need to be */
      if (op->is_weapon () || op->is_armor ())
        {
          op->weight = (op->weight * lmt->weight) / 100;
          op->value = (op->value * lmt->value) / 100;
        }
#endif
    }
}

/*
 * Strip out the media tags from a String.
 * Warning the input string will contain the result string
 */
void
strip_media_tag (char *message)
{
  int in_tag = 0;
  char *dest;
  char *src;

  src = dest = message;
  while (*src != '\0')
    {
      if (*src == '[')
        {
          in_tag = 1;
        }
      else if (in_tag && (*src == ']'))
        in_tag = 0;
      else if (!in_tag)
        {
          *dest = *src;
          dest++;
        }
      src++;
    }
  *dest = '\0';
}

const char *
strrstr (const char *haystack, const char *needle)
{
  const char *lastneedle;

  lastneedle = NULL;
  while ((haystack = strstr (haystack, needle)) != NULL)
    {
      lastneedle = haystack;
      haystack++;
    }
  return lastneedle;

}

#define EOL_SIZE (sizeof("\n")-1)
void
strip_endline (char *buf)
{
  if (strlen (buf) < sizeof ("\n"))
    {
      return;
    }
  if (!strcmp (buf + strlen (buf) - EOL_SIZE, "\n"))
    buf[strlen (buf) - EOL_SIZE] = '\0';
}

/**
 * Replace in string src all occurrences of key by replacement. The resulting
 * string is put into result; at most resultsize characters (including the
 * terminating null character) will be written to result.
 */
void
replace (const char *src, const char *key, const char *replacement, char *result, size_t resultsize)
{
  size_t resultlen;
  size_t keylen;

  /* special case to prevent infinite loop if key==replacement=="" */
  if (strcmp (key, replacement) == 0)
    {
      snprintf (result, resultsize, "%s", src);
      return;
    }

  keylen = strlen (key);

  resultlen = 0;
  while (*src != '\0' && resultlen + 1 < resultsize)
    {
      if (strncmp (src, key, keylen) == 0)
        {
          snprintf (result + resultlen, resultsize - resultlen, "%s", replacement);
          resultlen += strlen (result + resultlen);
          src += keylen;
        }
      else
        {
          result[resultlen++] = *src++;
        }
    }
  result[resultlen] = '\0';
}

/**
 * Taking a string as an argument, mutate it into a string that looks like a list.
 * a 'list' for the purposes here, is a string of items, seperated by commas, except
 * for the last entry, which has an 'and' before it, and a full stop (period) after it.
 * This function will also strip all trailing non alphanumeric characters.
 * It does not insert an oxford comma.
 */

void
make_list_like (char *input)
{
  char *p, tmp[MAX_BUF];
  int i;

  if (!input || strlen (input) > MAX_BUF - 5)
    return;
  /* bad stuff would happen if we continued here, the -5 is to make space for ' and ' */

  strncpy (tmp, input, MAX_BUF - 5);
  /*trim all trailing commas, spaces etc. */
  for (i = strlen (tmp); !isalnum (tmp[i]) && i >= 0; i--)
    tmp[i] = '\0';

  strcat (tmp, ".");

  p = strrchr (tmp, ',');
  if (p)
    {
      *p = '\0';
      strcpy (input, tmp);
      p++;
      strcat (input, " and");
      strcat (input, p);
    }
  else
    strcpy (input, tmp);

  return;
}

/////////////////////////////////////////////////////////////////////////////

void
fork_abort (const char *msg)
{
  if (!fork ())
    {
      signal (SIGABRT, SIG_DFL);
      // try to put corefiles into a subdirectory, if existing, to allow
      // an administrator to reduce the I/O load.
      chdir ("cores");
      abort ();
    }

  LOG (llevError, "fork abort: %s\n", msg);
}

void *salloc_ (int n) throw (std::bad_alloc)
{
#ifdef PREFER_MALLOC
  void *ptr = malloc (n);
#else
  void *ptr = g_slice_alloc (n);
#endif

  if (!ptr)
    throw std::bad_alloc ();

  return ptr;
}

void *salloc_ (int n, void *src) throw (std::bad_alloc)
{
  void *ptr = salloc_ (n);

  if (src)
    memcpy (ptr, src, n);
  else
    memset (ptr, 0, n);

  return ptr;
}

void assign (char *dst, const char *src, int maxlen)
{
  if (!src)
    src = "";

  int len = strlen (src);

  if (len >= maxlen - 1)
    {
      if (maxlen <= 4)
        {
          memset (dst, '.', maxlen - 1);
          dst [maxlen - 1] = 0;
        }
      else
        {
          memcpy (dst, src, maxlen - 4);
          memcpy (dst + maxlen - 4, "...", 4);
        }
    }
  else
    memcpy (dst, src, len + 1);
}

const std::string
format (const char *format, ...)
{
  int len;

  {
    char buf[128];

    va_list ap;
    va_start (ap, format);
    len = vsnprintf (buf, sizeof (buf), format, ap);
    va_end (ap);

    assert (len >= 0); // shield againstz broken vsnprintf's

    // was our static buffer short enough?
    if (len < sizeof (buf))
      return std::string (buf, len);
  }

  {
    // longer, try harder
    char *buf = salloc<char> (len + 1);

    va_list ap;
    va_start (ap, format);
    vsnprintf (buf, len + 1, format, ap);
    va_end (ap);

    const std::string s (buf, len);
    sfree<char> (buf, len + 1);
      
    return buf;
  }
}

tstamp now ()
{
  struct timeval tv;

  gettimeofday (&tv, 0);
  return tstamp (tv.tv_sec) + tstamp (tv.tv_usec) * tstamp (1e-6);
}

int
similar_direction (int a, int b)
{
  if (!a || !b)
    return 0;

  int diff = (b - a) & 7;
  return diff <= 1 || diff >= 7;
}

/* crc32 0xdebb20e3 table and supplementary functions.  */
extern const uint32_t crc_32_tab[256] =
{
    0x00000000UL, 0x77073096UL, 0xee0e612cUL, 0x990951baUL, 0x076dc419UL,
    0x706af48fUL, 0xe963a535UL, 0x9e6495a3UL, 0x0edb8832UL, 0x79dcb8a4UL,
    0xe0d5e91eUL, 0x97d2d988UL, 0x09b64c2bUL, 0x7eb17cbdUL, 0xe7b82d07UL,
    0x90bf1d91UL, 0x1db71064UL, 0x6ab020f2UL, 0xf3b97148UL, 0x84be41deUL,
    0x1adad47dUL, 0x6ddde4ebUL, 0xf4d4b551UL, 0x83d385c7UL, 0x136c9856UL,
    0x646ba8c0UL, 0xfd62f97aUL, 0x8a65c9ecUL, 0x14015c4fUL, 0x63066cd9UL,
    0xfa0f3d63UL, 0x8d080df5UL, 0x3b6e20c8UL, 0x4c69105eUL, 0xd56041e4UL,
    0xa2677172UL, 0x3c03e4d1UL, 0x4b04d447UL, 0xd20d85fdUL, 0xa50ab56bUL,
    0x35b5a8faUL, 0x42b2986cUL, 0xdbbbc9d6UL, 0xacbcf940UL, 0x32d86ce3UL,
    0x45df5c75UL, 0xdcd60dcfUL, 0xabd13d59UL, 0x26d930acUL, 0x51de003aUL,
    0xc8d75180UL, 0xbfd06116UL, 0x21b4f4b5UL, 0x56b3c423UL, 0xcfba9599UL,
    0xb8bda50fUL, 0x2802b89eUL, 0x5f058808UL, 0xc60cd9b2UL, 0xb10be924UL,
    0x2f6f7c87UL, 0x58684c11UL, 0xc1611dabUL, 0xb6662d3dUL, 0x76dc4190UL,
    0x01db7106UL, 0x98d220bcUL, 0xefd5102aUL, 0x71b18589UL, 0x06b6b51fUL,
    0x9fbfe4a5UL, 0xe8b8d433UL, 0x7807c9a2UL, 0x0f00f934UL, 0x9609a88eUL,
    0xe10e9818UL, 0x7f6a0dbbUL, 0x086d3d2dUL, 0x91646c97UL, 0xe6635c01UL,
    0x6b6b51f4UL, 0x1c6c6162UL, 0x856530d8UL, 0xf262004eUL, 0x6c0695edUL,
    0x1b01a57bUL, 0x8208f4c1UL, 0xf50fc457UL, 0x65b0d9c6UL, 0x12b7e950UL,
    0x8bbeb8eaUL, 0xfcb9887cUL, 0x62dd1ddfUL, 0x15da2d49UL, 0x8cd37cf3UL,
    0xfbd44c65UL, 0x4db26158UL, 0x3ab551ceUL, 0xa3bc0074UL, 0xd4bb30e2UL,
    0x4adfa541UL, 0x3dd895d7UL, 0xa4d1c46dUL, 0xd3d6f4fbUL, 0x4369e96aUL,
    0x346ed9fcUL, 0xad678846UL, 0xda60b8d0UL, 0x44042d73UL, 0x33031de5UL,
    0xaa0a4c5fUL, 0xdd0d7cc9UL, 0x5005713cUL, 0x270241aaUL, 0xbe0b1010UL,
    0xc90c2086UL, 0x5768b525UL, 0x206f85b3UL, 0xb966d409UL, 0xce61e49fUL,
    0x5edef90eUL, 0x29d9c998UL, 0xb0d09822UL, 0xc7d7a8b4UL, 0x59b33d17UL,
    0x2eb40d81UL, 0xb7bd5c3bUL, 0xc0ba6cadUL, 0xedb88320UL, 0x9abfb3b6UL,
    0x03b6e20cUL, 0x74b1d29aUL, 0xead54739UL, 0x9dd277afUL, 0x04db2615UL,
    0x73dc1683UL, 0xe3630b12UL, 0x94643b84UL, 0x0d6d6a3eUL, 0x7a6a5aa8UL,
    0xe40ecf0bUL, 0x9309ff9dUL, 0x0a00ae27UL, 0x7d079eb1UL, 0xf00f9344UL,
    0x8708a3d2UL, 0x1e01f268UL, 0x6906c2feUL, 0xf762575dUL, 0x806567cbUL,
    0x196c3671UL, 0x6e6b06e7UL, 0xfed41b76UL, 0x89d32be0UL, 0x10da7a5aUL,
    0x67dd4accUL, 0xf9b9df6fUL, 0x8ebeeff9UL, 0x17b7be43UL, 0x60b08ed5UL,
    0xd6d6a3e8UL, 0xa1d1937eUL, 0x38d8c2c4UL, 0x4fdff252UL, 0xd1bb67f1UL,
    0xa6bc5767UL, 0x3fb506ddUL, 0x48b2364bUL, 0xd80d2bdaUL, 0xaf0a1b4cUL,
    0x36034af6UL, 0x41047a60UL, 0xdf60efc3UL, 0xa867df55UL, 0x316e8eefUL,
    0x4669be79UL, 0xcb61b38cUL, 0xbc66831aUL, 0x256fd2a0UL, 0x5268e236UL,
    0xcc0c7795UL, 0xbb0b4703UL, 0x220216b9UL, 0x5505262fUL, 0xc5ba3bbeUL,
    0xb2bd0b28UL, 0x2bb45a92UL, 0x5cb36a04UL, 0xc2d7ffa7UL, 0xb5d0cf31UL,
    0x2cd99e8bUL, 0x5bdeae1dUL, 0x9b64c2b0UL, 0xec63f226UL, 0x756aa39cUL,
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    0x18b74777UL, 0x88085ae6UL, 0xff0f6a70UL, 0x66063bcaUL, 0x11010b5cUL,
    0x8f659effUL, 0xf862ae69UL, 0x616bffd3UL, 0x166ccf45UL, 0xa00ae278UL,
    0xd70dd2eeUL, 0x4e048354UL, 0x3903b3c2UL, 0xa7672661UL, 0xd06016f7UL,
    0x4969474dUL, 0x3e6e77dbUL, 0xaed16a4aUL, 0xd9d65adcUL, 0x40df0b66UL,
    0x37d83bf0UL, 0xa9bcae53UL, 0xdebb9ec5UL, 0x47b2cf7fUL, 0x30b5ffe9UL,
    0xbdbdf21cUL, 0xcabac28aUL, 0x53b39330UL, 0x24b4a3a6UL, 0xbad03605UL,
    0xcdd70693UL, 0x54de5729UL, 0x23d967bfUL, 0xb3667a2eUL, 0xc4614ab8UL,
    0x5d681b02UL, 0x2a6f2b94UL, 0xb40bbe37UL, 0xc30c8ea1UL, 0x5a05df1bUL,
    0x2d02ef8dL
};


Revision:	1.52
Committed:	Fri Apr 27 14:41:37 2007 UTC (17 years, 1 month ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.51:	+3 -0 lines
Log Message:	we get ever more nifty