/* ** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding ** Copyright (C) 2003 M. Bakker, Ahead Software AG, http://www.nero.com ** ** 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. ** ** Any non-GPL usage of this software or parts of this software is strictly ** forbidden. ** ** Commercial non-GPL licensing of this software is possible. ** For more info contact Ahead Software through Mpeg4AAClicense@nero.com. ** ** $Id$ **/ /* Binary search huffman table HCB_3 */ static hcb_bin_quad hcb3[] = { { /* 0 */ 0, { 1, 2, 0, 0 } }, { /* 1 */ 1, { 0, 0, 0, 0 } }, /* 0 */ { /* 2 */ 0, { 1, 2, 0, 0 } }, { /* 3 */ 0, { 2, 3, 0, 0 } }, { /* 4 */ 0, { 3, 4, 0, 0 } }, { /* 5 */ 0, { 4, 5, 0, 0 } }, { /* 6 */ 0, { 5, 6, 0, 0 } }, { /* 7 */ 0, { 6, 7, 0, 0 } }, { /* 8 */ 0, { 7, 8, 0, 0 } }, { /* 9 */ 1, { 1, 0, 0, 0 } }, /* 1000 */ { /* 10 */ 1, { 0, 0, 0, 1 } }, /* 1001 */ { /* 11 */ 1, { 0, 1, 0, 0 } }, /* 1010 */ { /* 12 */ 1, { 0, 0, 1, 0 } }, /* 1011 */ { /* 13 */ 0, { 4, 5, 0, 0 } }, { /* 14 */ 0, { 5, 6, 0, 0 } }, { /* 15 */ 0, { 6, 7, 0, 0 } }, { /* 16 */ 0, { 7, 8, 0, 0 } }, { /* 17 */ 1, { 1, 1, 0, 0 } }, { /* 18 */ 1, { 0, 0, 1, 1 } }, { /* 19 */ 0, { 6, 7, 0, 0 } }, { /* 20 */ 0, { 7, 8, 0, 0 } }, { /* 21 */ 0, { 8, 9, 0, 0 } }, { /* 22 */ 0, { 9, 10, 0, 0 } }, { /* 23 */ 0, { 10, 11, 0, 0 } }, { /* 24 */ 0, { 11, 12, 0, 0 } }, { /* 25 */ 1, { 0, 1, 1, 0 } }, /* 110100 */ { /* 26 */ 1, { 0, 1, 0, 1 } }, /* 110101 */ { /* 27 */ 1, { 1, 0, 1, 0 } }, /* 110110 */ { /* 28 */ 1, { 0, 1, 1, 1 } }, /* 110111 */ { /* 29 */ 1, { 1, 0, 0, 1 } }, /* 111000 */ { /* 30 */ 1, { 1, 1, 1, 0 } }, /* 111001 */ { /* 31 */ 0, { 6, 7, 0, 0 } }, { /* 32 */ 0, { 7, 8, 0, 0 } }, { /* 33 */ 0, { 8, 9, 0, 0 } }, { /* 34 */ 0, { 9, 10, 0, 0 } }, { /* 35 */ 0, { 10, 11, 0, 0 } }, { /* 36 */ 0, { 11, 12, 0, 0 } }, { /* 37 */ 1, { 1, 1, 1, 1 } }, /* 1110100 */ { /* 38 */ 1, { 1, 0, 1, 1 } }, /* 1110101 */ { /* 39 */ 1, { 1, 1, 0, 1 } }, /* 1110110 */ { /* 40 */ 0, { 9, 10, 0, 0 } }, { /* 41 */ 0, { 10, 11, 0, 0 } }, { /* 42 */ 0, { 11, 12, 0, 0 } }, { /* 43 */ 0, { 12, 13, 0, 0 } }, { /* 44 */ 0, { 13, 14, 0, 0 } }, { /* 45 */ 0, { 14, 15, 0, 0 } }, { /* 46 */ 0, { 15, 16, 0, 0 } }, { /* 47 */ 0, { 16, 17, 0, 0 } }, { /* 48 */ 0, { 17, 18, 0, 0 } }, { /* 49 */ 1, { 2, 0, 0, 0 } }, /* 11101110 */ { /* 50 */ 1, { 0, 0, 0, 2 } }, /* 11101111 */ { /* 51 */ 1, { 0, 0, 1, 2 } }, /* 11110000 */ { /* 52 */ 1, { 2, 1, 0, 0 } }, /* 11110001 */ { /* 53 */ 1, { 1, 2, 1, 0 } }, /* 11110010 */ { /* 54 */ 0, { 13, 14, 0, 0 } }, { /* 55 */ 0, { 14, 15, 0, 0 } }, { /* 56 */ 0, { 15, 16, 0, 0 } }, { /* 57 */ 0, { 16, 17, 0, 0 } }, { /* 58 */ 0, { 17, 18, 0, 0 } }, { /* 59 */ 0, { 18, 19, 0, 0 } }, { /* 60 */ 0, { 19, 20, 0, 0 } }, { /* 61 */ 0, { 20, 21, 0, 0 } }, { /* 62 */ 0, { 21, 22, 0, 0 } }, { /* 63 */ 0, { 22, 23, 0, 0 } }, { /* 64 */ 0, { 23, 24, 0, 0 } }, { /* 65 */ 0, { 24, 25, 0, 0 } }, { /* 66 */ 0, { 25, 26, 0, 0 } }, { /* 67 */ 1, { 0, 0, 2, 1 } }, { /* 68 */ 1, { 0, 1, 2, 1 } }, { /* 69 */ 1, { 1, 2, 0, 0 } }, { /* 70 */ 1, { 0, 1, 1, 2 } }, { /* 71 */ 1, { 2, 1, 1, 0 } }, { /* 72 */ 1, { 0, 0, 2, 0 } }, { /* 73 */ 1, { 0, 2, 1, 0 } }, { /* 74 */ 1, { 0, 1, 2, 0 } }, { /* 75 */ 1, { 0, 2, 0, 0 } }, { /* 76 */ 1, { 0, 1, 0, 2 } }, { /* 77 */ 1, { 2, 0, 1, 0 } }, { /* 78 */ 1, { 1, 2, 1, 1 } }, { /* 79 */ 1, { 0, 2, 1, 1 } }, { /* 80 */ 1, { 1, 1, 2, 0 } }, { /* 81 */ 1, { 1, 1, 2, 1 } }, { /* 82 */ 0, { 11, 12, 0, 0 } }, { /* 83 */ 0, { 12, 13, 0, 0 } }, { /* 84 */ 0, { 13, 14, 0, 0 } }, { /* 85 */ 0, { 14, 15, 0, 0 } }, { /* 86 */ 0, { 15, 16, 0, 0 } }, { /* 87 */ 0, { 16, 17, 0, 0 } }, { /* 88 */ 0, { 17, 18, 0, 0 } }, { /* 89 */ 0, { 18, 19, 0, 0 } }, { /* 90 */ 0, { 19, 20, 0, 0 } }, { /* 91 */ 0, { 20, 21, 0, 0 } }, { /* 92 */ 0, { 21, 22, 0, 0 } }, { /* 93 */ 1, { 1, 2, 0, 1 } }, /* 1111101010 */ { /* 94 */ 1, { 1, 0, 2, 0 } }, /* 1111101011 */ { /* 95 */ 1, { 1, 0, 2, 1 } }, /* 1111101100 */ { /* 96 */ 1, { 0, 2, 0, 1 } }, /* 1111101101 */ { /* 97 */ 1, { 2, 1, 1, 1 } }, /* 1111101110 */ { /* 98 */ 1, { 1, 1, 1, 2 } }, /* 1111101111 */ { /* 99 */ 1, { 2, 1, 0, 1 } }, /* 1111110000 */ { /* 00 */ 1, { 1, 0, 1, 2 } }, /* 1111110001 */ { /* 01 */ 1, { 0, 0, 2, 2 } }, /* 1111110010 */ { /* 02 */ 1, { 0, 1, 2, 2 } }, /* 1111110011 */ { /* 03 */ 1, { 2, 2, 1, 0 } }, /* 1111110100 */ { /* 04 */ 1, { 1, 2, 2, 0 } }, /* 1111110101 */ { /* 05 */ 1, { 1, 0, 0, 2 } }, /* 1111110110 */ { /* 06 */ 1, { 2, 0, 0, 1 } }, /* 1111110111 */ { /* 07 */ 1, { 0, 2, 2, 1 } }, /* 1111111000 */ { /* 08 */ 0, { 7, 8, 0, 0 } }, { /* 09 */ 0, { 8, 9, 0, 0 } }, { /* 10 */ 0, { 9, 10, 0, 0 } }, { /* 11 */ 0, { 10, 11, 0, 0 } }, { /* 12 */ 0, { 11, 12, 0, 0 } }, { /* 13 */ 0, { 12, 13, 0, 0 } }, { /* 14 */ 0, { 13, 14, 0, 0 } }, { /* 15 */ 1, { 2, 2, 0, 0 } }, /* 11111110010 */ { /* 16 */ 1, { 1, 2, 2, 1 } }, /* 11111110011 */ { /* 17 */ 1, { 1, 1, 0, 2 } }, /* 11111110100 */ { /* 18 */ 1, { 2, 0, 1, 1 } }, /* 11111110101 */ { /* 19 */ 1, { 1, 1, 2, 2 } }, /* 11111110110 */ { /* 20 */ 1, { 2, 2, 1, 1 } }, /* 11111110111 */ { /* 21 */ 1, { 0, 2, 2, 0 } }, /* 11111111000 */ { /* 22 */ 1, { 0, 2, 1, 2 } }, /* 11111111001 */ { /* 23 */ 0, { 6, 7, 0, 0 } }, { /* 24 */ 0, { 7, 8, 0, 0 } }, { /* 25 */ 0, { 8, 9, 0, 0 } }, { /* 26 */ 0, { 9, 10, 0, 0 } }, { /* 27 */ 0, { 10, 11, 0, 0 } }, { /* 28 */ 0, { 11, 12, 0, 0 } }, { /* 29 */ 1, { 1, 0, 2, 2 } }, /* 111111110100 */ { /* 30 */ 1, { 2, 2, 0, 1 } }, /* 111111110101 */ { /* 31 */ 1, { 2, 1, 2, 0 } }, /* 111111110110 */ { /* 32 */ 1, { 2, 2, 2, 0 } }, /* 111111110111 */ { /* 33 */ 1, { 0, 2, 2, 2 } }, /* 111111111000 */ { /* 34 */ 1, { 2, 2, 2, 1 } }, /* 111111111001 */ { /* 35 */ 1, { 2, 1, 2, 1 } }, /* 111111111010 */ { /* 36 */ 1, { 1, 2, 1, 2 } }, /* 111111111011 */ { /* 37 */ 1, { 1, 2, 2, 2 } }, /* 111111111100 */ { /* 38 */ 0, { 3, 4, 0, 0 } }, { /* 39 */ 0, { 4, 5, 0, 0 } }, { /* 40 */ 0, { 5, 6, 0, 0 } }, { /* 41 */ 1, { 0, 2, 0, 2 } }, /* 1111111111010 */ { /* 42 */ 1, { 2, 0, 2, 0 } }, /* 1111111111011 */ { /* 43 */ 1, { 1, 2, 0, 2 } }, /* 1111111111100 */ { /* 44 */ 0, { 3, 4, 0, 0 } }, { /* 45 */ 0, { 4, 5, 0, 0 } }, { /* 46 */ 0, { 5, 6, 0, 0 } }, { /* 47 */ 1, { 2, 0, 2, 1 } }, /* 11111111111010 */ { /* 48 */ 1, { 2, 1, 1, 2 } }, /* 11111111111011 */ { /* 49 */ 1, { 2, 1, 0, 2 } }, /* 11111111111100 */ { /* 50 */ 0, { 3, 4, 0, 0 } }, { /* 51 */ 0, { 4, 5, 0, 0 } }, { /* 52 */ 0, { 5, 6, 0, 0 } }, { /* 53 */ 1, { 2, 2, 2, 2 } }, /* 111111111111010 */ { /* 54 */ 1, { 2, 2, 1, 2 } }, /* 111111111111011 */ { /* 55 */ 1, { 2, 1, 2, 2 } }, /* 111111111111100 */ { /* 56 */ 1, { 2, 0, 1, 2 } }, /* 111111111111101 */ { /* 57 */ 1, { 2, 0, 0, 2 } }, /* 111111111111110 */ { /* 58 */ 0, { 1, 2, 0, 0 } }, { /* 59 */ 1, { 2, 2, 0, 2 } }, /* 1111111111111110 */ { /* 60 */ 1, { 2, 0, 2, 2 } } /* 1111111111111111 */ }; f='#n166'>166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 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/* Emacs style mode select   -*- C++ -*-
 *-----------------------------------------------------------------------------
 *
 *
 *  PrBoom a Doom port merged with LxDoom and LSDLDoom
 *  based on BOOM, a modified and improved DOOM engine
 *  Copyright (C) 1999 by
 *  id Software, Chi Hoang, Lee Killough, Jim Flynn, Rand Phares, Ty Halderman
 *  Copyright (C) 1999-2000 by
 *  Jess Haas, Nicolas Kalkhof, Colin Phipps, Florian Schulze
 *
 *  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., 59 Temple Place - Suite 330, Boston, MA
 *  02111-1307, USA.
 *
 * DESCRIPTION:
 *      Archiving: SaveGame I/O.
 *
 *-----------------------------------------------------------------------------*/

#include "doomstat.h"
#include "r_main.h"
#include "p_maputl.h"
#include "p_spec.h"
#include "p_tick.h"
#include "p_saveg.h"
#include "m_random.h"
#include "am_map.h"
#include "p_enemy.h"
#include "i_system.h"
#include "rockmacros.h"
byte *save_p;

// Pads save_p to a 4-byte boundary
//  so that the load/save works on SGI&Gecko.
#define PADSAVEP()    do { save_p += (4 - ((unsigned long) save_p & 3)) & 3; } while (0)
//
// P_ArchivePlayers
//
void P_ArchivePlayers (void)
{
   int i;

   CheckSaveGame(sizeof(player_t) * MAXPLAYERS); // killough
   for (i=0 ; i<MAXPLAYERS ; i++)
      if (playeringame[i])
      {
         int      j;
         player_t *dest;

         PADSAVEP();
         dest = (player_t *) save_p;
         memcpy(dest, &players[i], sizeof(player_t));
         save_p += sizeof(player_t);
         for (j=0; j<NUMPSPRITES; j++)
            if (dest->psprites[j].state)
               dest->psprites[j].state =
                  (state_t *)(dest->psprites[j].state-states);
      }
}

//
// P_UnArchivePlayers
//
void P_UnArchivePlayers (void)
{
   int i;

   for (i=0 ; i<MAXPLAYERS ; i++)
      if (playeringame[i])
      {
         int j;

         PADSAVEP();

         memcpy(&players[i], save_p, sizeof(player_t));
         save_p += sizeof(player_t);

         // will be set when unarc thinker
         players[i].mo = NULL;
         players[i].message = NULL;
         players[i].attacker = NULL;

         for (j=0 ; j<NUMPSPRITES ; j++)
            if (players[i]. psprites[j].state)
               players[i]. psprites[j].state =
                  &states[ (unsigned long)players[i].psprites[j].state ];
      }
}


//
// P_ArchiveWorld
//
void P_ArchiveWorld (void)
{
   int            i;
   const sector_t *sec;
   const line_t   *li;
   const side_t   *si;
   short          *put;

   // killough 3/22/98: fix bug caused by hoisting save_p too early
   // killough 10/98: adjust size for changes below
   size_t size =
      (sizeof(short)*5 + sizeof sec->floorheight + sizeof sec->ceilingheight)
      * numsectors + sizeof(short)*3*numlines + 4;

   for (i=0; i<numlines; i++)
   {
      if (lines[i].sidenum[0] != -1)
         size +=
            sizeof(short)*3 + sizeof si->textureoffset + sizeof si->rowoffset;
      if (lines[i].sidenum[1] != -1)
         size +=
            sizeof(short)*3 + sizeof si->textureoffset + sizeof si->rowoffset;
   }

   CheckSaveGame(size); // killough

   PADSAVEP();                // killough 3/22/98

   put = (short *)save_p;

   // do sectors
   for (i=0, sec = sectors ; i<numsectors ; i++,sec++)
   {
      // killough 10/98: save full floor & ceiling heights, including fraction
      memcpy(put, &sec->floorheight, sizeof sec->floorheight);
      put = (void *)((char *) put + sizeof sec->floorheight);
      memcpy(put, &sec->ceilingheight, sizeof sec->ceilingheight);
      put = (void *)((char *) put + sizeof sec->ceilingheight);

      *put++ = sec->floorpic;
      *put++ = sec->ceilingpic;
      *put++ = sec->lightlevel;
      *put++ = sec->special;            // needed?   yes -- transfer types
      *put++ = sec->tag;                // needed?   need them -- killough
   }

   // do lines
   for (i=0, li = lines ; i<numlines ; i++,li++)
   {
      int j;

      *put++ = li->flags;
      *put++ = li->special;
      *put++ = li->tag;

      for (j=0; j<2; j++)
         if (li->sidenum[j] != -1)
         {
            si = &sides[li->sidenum[j]];

            // killough 10/98: save full sidedef offsets,
            // preserving fractional scroll offsets

            memcpy(put, &si->textureoffset, sizeof si->textureoffset);
            put = (void *)((char *) put + sizeof si->textureoffset);
            memcpy(put, &si->rowoffset, sizeof si->rowoffset);
            put = (void *)((char *) put + sizeof si->rowoffset);

            *put++ = si->toptexture;
            *put++ = si->bottomtexture;
            *put++ = si->midtexture;
         }
   }
   save_p = (byte *) put;
}



//
// P_UnArchiveWorld
//
void P_UnArchiveWorld (void)
{
   int          i;
   sector_t     *sec;
   line_t       *li;
   const short  *get;

   PADSAVEP();                // killough 3/22/98

   get = (short *) save_p;

   // do sectors
   for (i=0, sec = sectors ; i<numsectors ; i++,sec++)
   {
      // killough 10/98: load full floor & ceiling heights, including fractions

      memcpy(&sec->floorheight, get, sizeof sec->floorheight);
      get = (void *)((char *) get + sizeof sec->floorheight);
      memcpy(&sec->ceilingheight, get, sizeof sec->ceilingheight);
      get = (void *)((char *) get + sizeof sec->ceilingheight);

      sec->floorpic = *get++;
      sec->ceilingpic = *get++;
      sec->lightlevel = *get++;
      sec->special = *get++;
      sec->tag = *get++;
      sec->ceilingdata = 0; //jff 2/22/98 now three thinker fields, not two
      sec->floordata = 0;
      sec->lightingdata = 0;
      sec->soundtarget = 0;
   }

   // do lines
   for (i=0, li = lines ; i<numlines ; i++,li++)
   {
      int j;

      li->flags = *get++;
      li->special = *get++;
      li->tag = *get++;
      for (j=0 ; j<2 ; j++)
         if (li->sidenum[j] != -1)
         {
            side_t *si = &sides[li->sidenum[j]];

            // killough 10/98: load full sidedef offsets, including fractions

            memcpy(&si->textureoffset, get, sizeof si->textureoffset);
            get = (void *)((char *) get + sizeof si->textureoffset);
            memcpy(&si->rowoffset, get, sizeof si->rowoffset);
            get = (void *)((char *) get + sizeof si->rowoffset);

            si->toptexture = *get++;
            si->bottomtexture = *get++;
            si->midtexture = *get++;
         }
   }
   save_p = (byte *) get;
}

//
// Thinkers
//

enum {
   tc_end,
   tc_mobj
};
typedef unsigned thinkerclass_t;

// phares 9/13/98: Moved this code outside of P_ArchiveThinkers so the
// thinker indices could be used by the code that saves sector info.

static int number_of_thinkers;

void P_ThinkerToIndex(void)
{
   thinker_t *th;

   // killough 2/14/98:
   // count the number of thinkers, and mark each one with its index, using
   // the prev field as a placeholder, since it can be restored later.

   number_of_thinkers = 0;
   for (th = thinkercap.next ; th != &thinkercap ; th=th->next)
      if (th->function == P_MobjThinker)
         th->prev = (thinker_t *)(long)(++number_of_thinkers);
}

// phares 9/13/98: Moved this code outside of P_ArchiveThinkers so the
// thinker indices could be used by the code that saves sector info.

void P_IndexToThinker(void)
{
   // killough 2/14/98: restore prev pointers
   thinker_t *th;
   thinker_t *prev = &thinkercap;

   for (th = thinkercap.next ; th != &thinkercap ; prev=th, th=th->next)
      th->prev = prev;
}

//
// P_ArchiveThinkers
//
// 2/14/98 killough: substantially modified to fix savegame bugs

void P_ArchiveThinkers (void)
{
   thinker_t *th;

   CheckSaveGame(sizeof brain);      // killough 3/26/98: Save boss brain state
   memcpy(save_p, &brain, sizeof brain);
   save_p += sizeof brain;

   /* check that enough room is available in savegame buffer
    * - killough 2/14/98
    * cph - use number_of_thinkers saved by P_ThinkerToIndex above
    */
   CheckSaveGame(number_of_thinkers*(sizeof(mobj_t)+4));

   // save off the current thinkers
   for (th = thinkercap.next ; th != &thinkercap ; th=th->next)
      if (th->function == P_MobjThinker)
      {
         mobj_t *mobj;

         *save_p++ = tc_mobj;
         PADSAVEP();
         mobj = (mobj_t *)save_p;
         memcpy (mobj, th, sizeof(*mobj));
         save_p += sizeof(*mobj);
         mobj->state = (state_t *)(mobj->state - states);

         // killough 2/14/98: convert pointers into indices.
         // Fixes many savegame problems, by properly saving
         // target and tracer fields. Note: we store NULL if
         // the thinker pointed to by these fields is not a
         // mobj thinker.

         if (mobj->target)
            mobj->target = mobj->target->thinker.function ==
                           P_MobjThinker ?
                           (mobj_t *) mobj->target->thinker.prev : NULL;

         if (mobj->tracer)
            mobj->tracer = mobj->tracer->thinker.function ==
                           P_MobjThinker ?
                           (mobj_t *) mobj->tracer->thinker.prev : NULL;

         // killough 2/14/98: new field: save last known enemy. Prevents
         // monsters from going to sleep after killing monsters and not
         // seeing player anymore.

         if (mobj->lastenemy)
            mobj->lastenemy = mobj->lastenemy->thinker.function ==
                              P_MobjThinker ?
                              (mobj_t *) mobj->lastenemy->thinker.prev : NULL;

         // killough 2/14/98: end changes

         if (mobj->above_thing)                                      // phares
            mobj->above_thing = mobj->above_thing->thinker.function ==
                                P_MobjThinker ?
                                (mobj_t *) mobj->above_thing->thinker.prev : NULL;

         if (mobj->below_thing)
            mobj->below_thing = mobj->below_thing->thinker.function ==
                                P_MobjThinker ?
                                (mobj_t *) mobj->below_thing->thinker.prev : NULL;      // phares

         if (mobj->player)
            mobj->player = (player_t *)((mobj->player-players) + 1);
      }

   // add a terminating marker
   *save_p++ = tc_end;

   // killough 9/14/98: save soundtargets
   {
      int i;
      CheckSaveGame(numsectors * sizeof(mobj_t *));       // killough 9/14/98
      for (i = 0; i < numsectors; i++)
      {
         mobj_t *target = sectors[i].soundtarget;
         if (target)
            target = (mobj_t *) target->thinker.prev;
         memcpy(save_p, &target, sizeof target);
         save_p += sizeof target;
      }
   }
}

/*
 * killough 11/98
 *
 * Same as P_SetTarget() in p_tick.c, except that the target is nullified
 * first, so that no old target's reference count is decreased (when loading
 * savegames, old targets are indices, not really pointers to targets).
 */

static void P_SetNewTarget(mobj_t **mop, mobj_t *targ)
{
   *mop = NULL;
   P_SetTarget(mop, targ);
}

//
// P_UnArchiveThinkers
//
// 2/14/98 killough: substantially modified to fix savegame bugs
//

void P_UnArchiveThinkers (void)
{
   thinker_t *th;
   mobj_t    **mobj_p;    // killough 2/14/98: Translation table
   size_t    size;        // killough 2/14/98: size of or index into table

   totallive = 0;
   // killough 3/26/98: Load boss brain state
   memcpy(&brain, save_p, sizeof brain);
   save_p += sizeof brain;

   // remove all the current thinkers
   for (th = thinkercap.next; th != &thinkercap; )
   {
      thinker_t *next = th->next;
      if (th->function == P_MobjThinker)
         P_RemoveMobj ((mobj_t *) th);
      else
         Z_Free (th);
      th = next;
   }
   P_InitThinkers ();

   // killough 2/14/98: count number of thinkers by skipping through them
   {
      byte *sp = save_p;     // save pointer and skip header
      for (size = 1; *save_p++ == tc_mobj; size++)  // killough 2/14/98
      {                     // skip all entries, adding up count
         PADSAVEP();
         save_p += sizeof(mobj_t);
      }

      if (*--save_p != tc_end)
         I_Error ("P_UnArchiveThinkers: Unknown tclass %i in savegame", *save_p);

      // first table entry special: 0 maps to NULL
      *(mobj_p = malloc(size * sizeof *mobj_p)) = 0;   // table of pointers
      save_p = sp;           // restore save pointer
   }

   // read in saved thinkers
   for (size = 1; *save_p++ == tc_mobj; size++)    // killough 2/14/98
   {
      mobj_t *mobj = Z_Malloc(sizeof(mobj_t), PU_LEVEL, NULL);

      // killough 2/14/98 -- insert pointers to thinkers into table, in order:
      mobj_p[size] = mobj;

      PADSAVEP();
      memcpy (mobj, save_p, sizeof(mobj_t));
      save_p += sizeof(mobj_t);
      mobj->state = states + (unsigned long) mobj->state;

      if (mobj->player)
         (mobj->player = &players[(unsigned long) mobj->player - 1]) -> mo = mobj;

      P_SetThingPosition (mobj);
      mobj->info = &mobjinfo[mobj->type];

      // killough 2/28/98:
      // Fix for falling down into a wall after savegame loaded:
      //      mobj->floorz = mobj->subsector->sector->floorheight;
      //      mobj->ceilingz = mobj->subsector->sector->ceilingheight;

      mobj->thinker.function = P_MobjThinker;
      P_AddThinker (&mobj->thinker);

      if (!((mobj->flags ^ MF_COUNTKILL) & (MF_FRIEND | MF_COUNTKILL | MF_CORPSE)))
         totallive++;
   }

   // killough 2/14/98: adjust target and tracer fields, plus
   // lastenemy field, to correctly point to mobj thinkers.
   // NULL entries automatically handled by first table entry.
   //
   // killough 11/98: use P_SetNewTarget() to set fields

   for (th = thinkercap.next ; th != &thinkercap ; th=th->next)
   {
      P_SetNewTarget(&((mobj_t *) th)->target,
                     mobj_p[(size_t)((mobj_t *)th)->target]);

      P_SetNewTarget(&((mobj_t *) th)->tracer,
                     mobj_p[(size_t)((mobj_t *)th)->tracer]);

      P_SetNewTarget(&((mobj_t *) th)->lastenemy,
                     mobj_p[(size_t)((mobj_t *)th)->lastenemy]);

      // phares: added two new fields for Sprite Height problem

      P_SetNewTarget(&((mobj_t *) th)->above_thing,
                     mobj_p[(size_t)((mobj_t *)th)->above_thing]);

      P_SetNewTarget(&((mobj_t *) th)->below_thing,
                     mobj_p[(size_t)((mobj_t *)th)->below_thing]);
   }

   {  // killough 9/14/98: restore soundtargets
      int i;
      for (i = 0; i < numsectors; i++)
      {
         mobj_t *target;
         memcpy(&target, save_p, sizeof target);
         save_p += sizeof target;
         P_SetNewTarget(&sectors[i].soundtarget, mobj_p[(size_t) target]);
      }
   }

   free(mobj_p);    // free translation table

   // killough 3/26/98: Spawn icon landings:
   if (gamemode == commercial)
      P_SpawnBrainTargets();
}

//
// P_ArchiveSpecials
//
enum {
   tc_ceiling,
   tc_door,
   tc_floor,
   tc_plat,
   tc_flash,
   tc_strobe,
   tc_glow,
   tc_elevator,    //jff 2/22/98 new elevator type thinker
   tc_scroll,      // killough 3/7/98: new scroll effect thinker
   tc_pusher,      // phares 3/22/98:  new push/pull effect thinker
   tc_flicker,     // killough 10/4/98
   tc_endspecials
};
unsigned specials_e;

//
// Things to handle:
//
// T_MoveCeiling, (ceiling_t: sector_t * swizzle), - active list
// T_VerticalDoor, (vldoor_t: sector_t * swizzle),
// T_MoveFloor, (floormove_t: sector_t * swizzle),
// T_LightFlash, (lightflash_t: sector_t * swizzle),
// T_StrobeFlash, (strobe_t: sector_t *),
// T_Glow, (glow_t: sector_t *),
// T_PlatRaise, (plat_t: sector_t *), - active list
// T_MoveElevator, (plat_t: sector_t *), - active list      // jff 2/22/98
// T_Scroll                                                 // killough 3/7/98
// T_Pusher                                                 // phares 3/22/98
// T_FireFlicker                                            // killough 10/4/98
//

void P_ArchiveSpecials (void)
{
   thinker_t *th;
   size_t    size = 0;          // killough

   // save off the current thinkers (memory size calculation -- killough)

   for (th = thinkercap.next ; th != &thinkercap ; th=th->next)
      if (!th->function)
      {
         platlist_t *pl;
         ceilinglist_t *cl;     //jff 2/22/98 need this for ceilings too now
         for (pl=activeplats; pl; pl=pl->next)
            if (pl->plat == (plat_t *) th)   // killough 2/14/98
            {
               size += 4+sizeof(plat_t);
               goto end;
            }
         for (cl=activeceilings; cl; cl=cl->next) // search for activeceiling
            if (cl->ceiling == (ceiling_t *) th)   //jff 2/22/98
            {
               size += 4+sizeof(ceiling_t);
               goto end;
            }
end:;
      }
      else
         size +=
            th->function==T_MoveCeiling  ? 4+sizeof(ceiling_t) :
            th->function==T_VerticalDoor ? 4+sizeof(vldoor_t)  :
            th->function==T_MoveFloor    ? 4+sizeof(floormove_t):
            th->function==T_PlatRaise    ? 4+sizeof(plat_t)    :
            th->function==T_LightFlash   ? 4+sizeof(lightflash_t):
            th->function==T_StrobeFlash  ? 4+sizeof(strobe_t)  :
            th->function==T_Glow         ? 4+sizeof(glow_t)    :
            th->function==T_MoveElevator ? 4+sizeof(elevator_t):
            th->function==T_Scroll       ? 4+sizeof(scroll_t)  :
            th->function==T_Pusher       ? 4+sizeof(pusher_t)  :
            th->function==T_FireFlicker? 4+sizeof(fireflicker_t) :
            0;

   CheckSaveGame(size);          // killough

   // save off the current thinkers
   for (th=thinkercap.next; th!=&thinkercap; th=th->next)
   {
      if (!th->function)
      {
         platlist_t *pl;
         ceilinglist_t *cl;    //jff 2/22/98 add iter variable for ceilings

         // killough 2/8/98: fix plat original height bug.
         // Since acv==NULL, this could be a plat in stasis.
         // so check the active plats list, and save this
         // plat (jff: or ceiling) even if it is in stasis.

         for (pl=activeplats; pl; pl=pl->next)
            if (pl->plat == (plat_t *) th)      // killough 2/14/98
               goto plat;

         for (cl=activeceilings; cl; cl=cl->next)
            if (cl->ceiling == (ceiling_t *) th)      //jff 2/22/98
               goto ceiling;

         continue;
      }

      if (th->function == T_MoveCeiling)
      {
         ceiling_t *ceiling;
ceiling:                               // killough 2/14/98
         *save_p++ = tc_ceiling;
         PADSAVEP();
         ceiling = (ceiling_t *)save_p;
         memcpy (ceiling, th, sizeof(*ceiling));
         save_p += sizeof(*ceiling);
         ceiling->sector = (sector_t *)(ceiling->sector - sectors);
         continue;
      }

      if (th->function == T_VerticalDoor)
      {
         vldoor_t *door;
         *save_p++ = tc_door;
         PADSAVEP();
         door = (vldoor_t *) save_p;
         memcpy (door, th, sizeof *door);
         save_p += sizeof(*door);
         door->sector = (sector_t *)(door->sector - sectors);
         //jff 1/31/98 archive line remembered by door as well
         door->line = (line_t *) (door->line ? door->line-lines : -1);
         continue;
      }

      if (th->function == T_MoveFloor)
      {
         floormove_t *floor;
         *save_p++ = tc_floor;
         PADSAVEP();
         floor = (floormove_t *)save_p;
         memcpy (floor, th, sizeof(*floor));
         save_p += sizeof(*floor);
         floor->sector = (sector_t *)(floor->sector - sectors);
         continue;
      }

      if (th->function == T_PlatRaise)
      {
         plat_t *plat;
plat:   // killough 2/14/98: added fix for original plat height above
         *save_p++ = tc_plat;
         PADSAVEP();
         plat = (plat_t *)save_p;
         memcpy (plat, th, sizeof(*plat));
         save_p += sizeof(*plat);
         plat->sector = (sector_t *)(plat->sector - sectors);
         continue;
      }

      if (th->function == T_LightFlash)
      {
         lightflash_t *flash;
         *save_p++ = tc_flash;
         PADSAVEP();
         flash = (lightflash_t *)save_p;
         memcpy (flash, th, sizeof(*flash));
         save_p += sizeof(*flash);
         flash->sector = (sector_t *)(flash->sector - sectors);
         continue;
      }

      if (th->function == T_StrobeFlash)
      {
         strobe_t *strobe;
         *save_p++ = tc_strobe;
         PADSAVEP();
         strobe = (strobe_t *)save_p;
         memcpy (strobe, th, sizeof(*strobe));
         save_p += sizeof(*strobe);
         strobe->sector = (sector_t *)(strobe->sector - sectors);
         continue;
      }

      if (th->function == T_Glow)
      {
         glow_t *glow;
         *save_p++ = tc_glow;
         PADSAVEP();
         glow = (glow_t *)save_p;
         memcpy (glow, th, sizeof(*glow));
         save_p += sizeof(*glow);
         glow->sector = (sector_t *)(glow->sector - sectors);
         continue;
      }

      // killough 10/4/98: save flickers
      if (th->function == T_FireFlicker)
      {
         fireflicker_t *flicker;
         *save_p++ = tc_flicker;
         PADSAVEP();
         flicker = (fireflicker_t *)save_p;
         memcpy (flicker, th, sizeof(*flicker));
         save_p += sizeof(*flicker);
         flicker->sector = (sector_t *)(flicker->sector - sectors);
         continue;
      }

      //jff 2/22/98 new case for elevators
      if (th->function == T_MoveElevator)
      {
         elevator_t *elevator;         //jff 2/22/98
         *save_p++ = tc_elevator;
         PADSAVEP();
         elevator = (elevator_t *)save_p;
         memcpy (elevator, th, sizeof(*elevator));
         save_p += sizeof(*elevator);
         elevator->sector = (sector_t *)(elevator->sector - sectors);
         continue;
      }

      // killough 3/7/98: Scroll effect thinkers
      if (th->function == T_Scroll)
      {
         *save_p++ = tc_scroll;
         memcpy (save_p, th, sizeof(scroll_t));
         save_p += sizeof(scroll_t);
         continue;
      }

      // phares 3/22/98: Push/Pull effect thinkers

      if (th->function == T_Pusher)
      {
         *save_p++ = tc_pusher;
         memcpy (save_p, th, sizeof(pusher_t));
         save_p += sizeof(pusher_t);
         continue;
      }
   }

   // add a terminating marker
   *save_p++ = tc_endspecials;
}


//
// P_UnArchiveSpecials
//
void P_UnArchiveSpecials (void)
{
   byte tclass;

   // read in saved thinkers
   while ((tclass = *save_p++) != tc_endspecials)  // killough 2/14/98
      switch (tclass)
      {
      case tc_ceiling: