582 lines
14 KiB
C
582 lines
14 KiB
C
// Emacs style mode select -*- C++ -*-
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//-----------------------------------------------------------------------------
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//
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// $Id:$
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//
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// Copyright (C) 1993-1996 by id Software, Inc.
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//
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// This source is available for distribution and/or modification
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// only under the terms of the DOOM Source Code License as
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// published by id Software. All rights reserved.
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//
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// The source is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// FITNESS FOR A PARTICULAR PURPOSE. See the DOOM Source Code License
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// for more details.
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//
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// $Log:$
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//
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// DESCRIPTION:
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// Archiving: SaveGame I/O.
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//
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//-----------------------------------------------------------------------------
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//static const char
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#include "i_system.h"
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#include "z_zone.h"
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#include "p_local.h"
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// State.
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#include "doomstat.h"
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#include "r_state.h"
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byte* save_p;
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// Pads save_p to a 4-byte boundary
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// so that the load/save works on SGI&Gecko.
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#define PADSAVEP() save_p += (4 - ((int) save_p & 3)) & 3
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//
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// P_ArchivePlayers
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//
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void P_ArchivePlayers (void)
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{
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int i;
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int j;
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player_t* dest;
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for (i=0 ; i<MAXPLAYERS ; i++)
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{
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if (!playeringame[i])
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continue;
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PADSAVEP();
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dest = (player_t *)save_p;
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memcpy (dest,&players[i],sizeof(player_t));
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save_p += sizeof(player_t);
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for (j=0 ; j<NUMPSPRITES ; j++)
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{
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if (dest->psprites[j].state)
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{
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dest->psprites[j].state
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= (state_t *)(dest->psprites[j].state-states);
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}
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}
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}
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}
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//
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// P_UnArchivePlayers
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//
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void P_UnArchivePlayers (void)
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{
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int i;
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int j;
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for (i=0 ; i<MAXPLAYERS ; i++)
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{
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if (!playeringame[i])
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continue;
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PADSAVEP();
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memcpy (&players[i],save_p, sizeof(player_t));
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save_p += sizeof(player_t);
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// will be set when unarc thinker
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players[i].mo = NULL;
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players[i].message = NULL;
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players[i].attacker = NULL;
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for (j=0 ; j<NUMPSPRITES ; j++)
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{
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if (players[i]. psprites[j].state)
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{
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players[i]. psprites[j].state
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= (state_t *)&states[ (int)players[i].psprites[j].state ];
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}
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}
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}
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}
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//
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// P_ArchiveWorld
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//
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void P_ArchiveWorld (void)
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{
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int i;
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int j;
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sector_t* sec;
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line_t* li;
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side_t* si;
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short* put;
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put = (short *)save_p;
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// do sectors
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for (i=0, sec = sectors ; i<numsectors ; i++,sec++)
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{
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*put++ = sec->floorheight >> FRACBITS;
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*put++ = sec->ceilingheight >> FRACBITS;
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*put++ = sec->floorpic;
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*put++ = sec->ceilingpic;
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*put++ = sec->lightlevel;
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*put++ = sec->special; // needed?
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*put++ = sec->tag; // needed?
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}
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// do lines
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for (i=0, li = lines ; i<numlines ; i++,li++)
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{
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*put++ = li->flags;
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*put++ = li->special;
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*put++ = li->tag;
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for (j=0 ; j<2 ; j++)
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{
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if (li->sidenum[j] == -1)
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continue;
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si = &sides[li->sidenum[j]];
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*put++ = si->textureoffset >> FRACBITS;
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*put++ = si->rowoffset >> FRACBITS;
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*put++ = si->toptexture;
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*put++ = si->bottomtexture;
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*put++ = si->midtexture;
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}
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}
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save_p = (byte *)put;
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}
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//
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// P_UnArchiveWorld
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//
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void P_UnArchiveWorld (void)
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{
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int i;
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int j;
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sector_t* sec;
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line_t* li;
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side_t* si;
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short* get;
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get = (short *)save_p;
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// do sectors
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for (i=0, sec = sectors ; i<numsectors ; i++,sec++)
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{
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sec->floorheight = *get++ << FRACBITS;
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sec->ceilingheight = *get++ << FRACBITS;
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sec->floorpic = *get++;
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sec->ceilingpic = *get++;
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sec->lightlevel = *get++;
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sec->special = *get++; // needed?
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sec->tag = *get++; // needed?
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sec->specialdata = 0;
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sec->soundtarget = 0;
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}
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// do lines
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for (i=0, li = lines ; i<numlines ; i++,li++)
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{
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li->flags = *get++;
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li->special = *get++;
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li->tag = *get++;
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for (j=0 ; j<2 ; j++)
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{
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if (li->sidenum[j] == -1)
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continue;
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si = &sides[li->sidenum[j]];
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si->textureoffset = *get++ << FRACBITS;
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si->rowoffset = *get++ << FRACBITS;
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si->toptexture = *get++;
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si->bottomtexture = *get++;
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si->midtexture = *get++;
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}
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}
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save_p = (byte *)get;
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}
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//
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// Thinkers
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//
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typedef enum
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{
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tc_end,
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tc_mobj
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} thinkerclass_t;
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//
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// P_ArchiveThinkers
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//
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void P_ArchiveThinkers (void)
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{
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thinker_t* th;
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mobj_t* mobj;
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// save off the current thinkers
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for (th = thinkercap.next ; th != &thinkercap ; th=th->next)
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{
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if (th->function == TP_MobjThinker)
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{
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*save_p++ = tc_mobj;
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PADSAVEP();
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mobj = (mobj_t *)save_p;
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memcpy (mobj, th, sizeof(*mobj));
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save_p += sizeof(*mobj);
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mobj->state = (state_t *)(mobj->state - states);
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if (mobj->player)
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mobj->player = (player_t *)((mobj->player-players) + 1);
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continue;
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}
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// I_Error would overwrite VRAM, thus screens[0], thus the save buffer
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// I_Error ("P_ArchiveThinkers: Unknown thinker function");
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}
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// add a terminating marker
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*save_p++ = tc_end;
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}
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//
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// P_UnArchiveThinkers
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//
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void P_UnArchiveThinkers (void)
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{
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byte tclass;
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thinker_t* currentthinker;
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thinker_t* next;
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mobj_t* mobj;
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// remove all the current thinkers
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currentthinker = thinkercap.next;
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while (currentthinker != &thinkercap)
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{
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next = currentthinker->next;
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if (currentthinker->function == TP_MobjThinker)
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P_RemoveMobj ((mobj_t *)currentthinker);
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else
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Z_Free (currentthinker);
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currentthinker = next;
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}
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P_InitThinkers ();
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// read in saved thinkers
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while (1)
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{
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tclass = *save_p++;
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switch (tclass)
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{
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case tc_end:
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return; // end of list
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case tc_mobj:
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PADSAVEP();
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mobj = Z_Malloc (sizeof(*mobj), PU_LEVEL, NULL);
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memcpy (mobj, save_p, sizeof(*mobj));
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save_p += sizeof(*mobj);
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mobj->state = (state_t *)&states[(int)mobj->state];
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mobj->target = NULL;
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if (mobj->player)
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{
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mobj->player = &players[(int)mobj->player-1];
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mobj->player->mo = mobj;
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}
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P_SetThingPosition (mobj);
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mobj->info = (mobjinfo_t *)&mobjinfo[mobj->type];
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mobj->floorz = mobj->subsector->sector->floorheight;
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mobj->ceilingz = mobj->subsector->sector->ceilingheight;
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mobj->thinker.function = TP_MobjThinker;
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P_AddThinker (&mobj->thinker, mobj);
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break;
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default:
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// I_Error would overwrite VRAM, thus screens[0], thus the save buffer
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// I_Error ("Unknown tclass %i in savegame",tclass);
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}
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}
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}
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//
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// P_ArchiveSpecials
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//
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enum
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{
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tc_ceiling,
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tc_door,
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tc_floor,
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tc_plat,
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tc_flash,
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tc_strobe,
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tc_glow,
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tc_endspecials
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} specials_e;
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//
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// Things to handle:
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//
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// T_MoveCeiling, (ceiling_t: sector_t * swizzle), - active list
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// T_VerticalDoor, (vldoor_t: sector_t * swizzle),
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// T_MoveFloor, (floormove_t: sector_t * swizzle),
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// T_LightFlash, (lightflash_t: sector_t * swizzle),
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// T_StrobeFlash, (strobe_t: sector_t *),
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// T_Glow, (glow_t: sector_t *),
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// T_PlatRaise, (plat_t: sector_t *), - active list
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//
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void P_ArchiveSpecials (void)
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{
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thinker_t* th;
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ceiling_t* ceiling;
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vldoor_t* door;
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floormove_t* floor;
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plat_t* plat;
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lightflash_t* flash;
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strobe_t* strobe;
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glow_t* glow;
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int i;
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// save off the current thinkers
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for (th = thinkercap.next ; th != &thinkercap ; th=th->next)
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{
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if (th->function == 0)
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{
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for (i = 0; i < MAXCEILINGS;i++)
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if (activeceilings[i] == (ceiling_t *)th)
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break;
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if (i<MAXCEILINGS)
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{
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*save_p++ = tc_ceiling;
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PADSAVEP();
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ceiling = (ceiling_t *)save_p;
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memcpy (ceiling, th, sizeof(*ceiling));
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save_p += sizeof(*ceiling);
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ceiling->sector = (sector_t *)(ceiling->sector - sectors);
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}
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continue;
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}
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if (th->function == TT_MoveCeiling)
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{
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*save_p++ = tc_ceiling;
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PADSAVEP();
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ceiling = (ceiling_t *)save_p;
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memcpy (ceiling, th, sizeof(*ceiling));
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save_p += sizeof(*ceiling);
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ceiling->sector = (sector_t *)(ceiling->sector - sectors);
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continue;
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}
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if (th->function == TT_VerticalDoor)
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{
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*save_p++ = tc_door;
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PADSAVEP();
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door = (vldoor_t *)save_p;
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memcpy (door, th, sizeof(*door));
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save_p += sizeof(*door);
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door->sector = (sector_t *)(door->sector - sectors);
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continue;
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}
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if (th->function == TT_MoveFloor)
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{
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*save_p++ = tc_floor;
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PADSAVEP();
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floor = (floormove_t *)save_p;
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memcpy (floor, th, sizeof(*floor));
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save_p += sizeof(*floor);
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floor->sector = (sector_t *)(floor->sector - sectors);
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continue;
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}
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if (th->function == TT_PlatRaise)
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{
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*save_p++ = tc_plat;
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PADSAVEP();
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plat = (plat_t *)save_p;
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memcpy (plat, th, sizeof(*plat));
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save_p += sizeof(*plat);
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plat->sector = (sector_t *)(plat->sector - sectors);
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continue;
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}
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if (th->function == TT_LightFlash)
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{
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*save_p++ = tc_flash;
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PADSAVEP();
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flash = (lightflash_t *)save_p;
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memcpy (flash, th, sizeof(*flash));
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save_p += sizeof(*flash);
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flash->sector = (sector_t *)(flash->sector - sectors);
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continue;
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}
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if (th->function == TT_StrobeFlash)
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{
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*save_p++ = tc_strobe;
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PADSAVEP();
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strobe = (strobe_t *)save_p;
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memcpy (strobe, th, sizeof(*strobe));
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save_p += sizeof(*strobe);
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strobe->sector = (sector_t *)(strobe->sector - sectors);
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continue;
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}
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if (th->function == TT_Glow)
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{
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*save_p++ = tc_glow;
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PADSAVEP();
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glow = (glow_t *)save_p;
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memcpy (glow, th, sizeof(*glow));
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save_p += sizeof(*glow);
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glow->sector = (sector_t *)(glow->sector - sectors);
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continue;
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}
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}
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// add a terminating marker
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*save_p++ = tc_endspecials;
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}
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//
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// P_UnArchiveSpecials
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//
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void P_UnArchiveSpecials (void)
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{
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byte tclass;
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ceiling_t* ceiling;
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vldoor_t* door;
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floormove_t* floor;
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plat_t* plat;
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lightflash_t* flash;
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strobe_t* strobe;
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glow_t* glow;
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// read in saved thinkers
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for(;;)
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{
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tclass = *save_p++;
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switch (tclass)
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{
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case tc_endspecials:
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return; // end of list
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case tc_ceiling:
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PADSAVEP();
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ceiling = (ceiling_t*)Z_Malloc (sizeof(*ceiling), PU_LEVEL, NULL);
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memcpy (ceiling, save_p, sizeof(*ceiling));
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save_p += sizeof(*ceiling);
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ceiling->sector = §ors[(int)ceiling->sector];
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ceiling->sector->specialdata = ceiling;
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if (ceiling->thinker.function)
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ceiling->thinker.function = TT_MoveCeiling;
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P_AddThinker (&ceiling->thinker,ceiling);
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P_AddActiveCeiling(ceiling);
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break;
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case tc_door:
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PADSAVEP();
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door = (vldoor_t*)Z_Malloc (sizeof(*door), PU_LEVEL, NULL);
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memcpy (door, save_p, sizeof(*door));
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save_p += sizeof(*door);
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door->sector = §ors[(int)door->sector];
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door->sector->specialdata = door;
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door->thinker.function = TT_VerticalDoor;
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P_AddThinker (&door->thinker,door);
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break;
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case tc_floor:
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PADSAVEP();
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floor = (floormove_t*)Z_Malloc (sizeof(*floor), PU_LEVEL, NULL);
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memcpy (floor, save_p, sizeof(*floor));
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save_p += sizeof(*floor);
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floor->sector = §ors[(int)floor->sector];
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floor->sector->specialdata = floor;
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floor->thinker.function = TT_MoveFloor;
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P_AddThinker (&floor->thinker,floor);
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break;
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case tc_plat:
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PADSAVEP();
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plat = (plat_t*)Z_Malloc (sizeof(*plat), PU_LEVEL, NULL);
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memcpy (plat, save_p, sizeof(*plat));
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save_p += sizeof(*plat);
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plat->sector = §ors[(int)plat->sector];
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plat->sector->specialdata = plat;
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if (plat->thinker.function)
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plat->thinker.function = TT_PlatRaise;
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P_AddThinker (&plat->thinker,plat);
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P_AddActivePlat(plat);
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break;
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case tc_flash:
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PADSAVEP();
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flash = (lightflash_t*)Z_Malloc (sizeof(*flash), PU_LEVEL, NULL);
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memcpy (flash, save_p, sizeof(*flash));
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save_p += sizeof(*flash);
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flash->sector = §ors[(int)flash->sector];
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flash->thinker.function = TT_LightFlash;
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P_AddThinker (&flash->thinker,flash);
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break;
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case tc_strobe:
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PADSAVEP();
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strobe = (strobe_t*)Z_Malloc (sizeof(*strobe), PU_LEVEL, NULL);
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memcpy (strobe, save_p, sizeof(*strobe));
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save_p += sizeof(*strobe);
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strobe->sector = §ors[(int)strobe->sector];
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strobe->thinker.function = TT_StrobeFlash;
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P_AddThinker (&strobe->thinker,strobe);
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break;
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case tc_glow:
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PADSAVEP();
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glow = (glow_t*)Z_Malloc (sizeof(*glow), PU_LEVEL, NULL);
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memcpy (glow, save_p, sizeof(*glow));
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save_p += sizeof(*glow);
|
|
glow->sector = §ors[(int)glow->sector];
|
|
glow->thinker.function = TT_Glow;
|
|
P_AddThinker (&glow->thinker,glow);
|
|
break;
|
|
|
|
default:
|
|
// I_Error would overwrite VRAM, thus screens[0], thus the save buffer
|
|
// I_Error ("P_UnarchiveSpecials:Unknown tclass %i in savegame",tclass);
|
|
}
|
|
|
|
}
|
|
}
|
|
|