p_saveg.c
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上传日期:2021-05-12
资源大小:455k
文件大小:13k
源码类别:
射击游戏
开发平台:
Visual C++
- // Emacs style mode select -*- C++ -*-
- //-----------------------------------------------------------------------------
- //
- // $Id:$
- //
- // Copyright (C) 1993-1996 by id Software, Inc.
- //
- // This source is available for distribution and/or modification
- // only under the terms of the DOOM Source Code License as
- // published by id Software. All rights reserved.
- //
- // The source is distributed in the hope that it will be useful,
- // but WITHOUT ANY WARRANTY; without even the implied warranty of
- // FITNESS FOR A PARTICULAR PURPOSE. See the DOOM Source Code License
- // for more details.
- //
- // $Log:$
- //
- // DESCRIPTION:
- // Archiving: SaveGame I/O.
- //
- //-----------------------------------------------------------------------------
- static const char
- rcsid[] = "$Id: p_tick.c,v 1.4 1997/02/03 16:47:55 b1 Exp $";
- #include "i_system.h"
- #include "z_zone.h"
- #include "p_local.h"
- // State.
- #include "doomstat.h"
- #include "r_state.h"
- byte* save_p;
- // Pads save_p to a 4-byte boundary
- // so that the load/save works on SGI&Gecko.
- #define PADSAVEP() save_p += (4 - ((int) save_p & 3)) & 3
- //
- // P_ArchivePlayers
- //
- void P_ArchivePlayers (void)
- {
- int i;
- int j;
- player_t* dest;
- for (i=0 ; i<MAXPLAYERS ; i++)
- {
- if (!playeringame[i])
- continue;
- 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;
- int j;
- for (i=0 ; i<MAXPLAYERS ; i++)
- {
- if (!playeringame[i])
- continue;
- 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[ (int)players[i].psprites[j].state ];
- }
- }
- }
- }
- //
- // P_ArchiveWorld
- //
- void P_ArchiveWorld (void)
- {
- int i;
- int j;
- sector_t* sec;
- line_t* li;
- side_t* si;
- short* put;
- put = (short *)save_p;
- // do sectors
- for (i=0, sec = sectors ; i<numsectors ; i++,sec++)
- {
- *put++ = sec->floorheight >> FRACBITS;
- *put++ = sec->ceilingheight >> FRACBITS;
- *put++ = sec->floorpic;
- *put++ = sec->ceilingpic;
- *put++ = sec->lightlevel;
- *put++ = sec->special; // needed?
- *put++ = sec->tag; // needed?
- }
- // do lines
- for (i=0, li = lines ; i<numlines ; i++,li++)
- {
- *put++ = li->flags;
- *put++ = li->special;
- *put++ = li->tag;
- for (j=0 ; j<2 ; j++)
- {
- if (li->sidenum[j] == -1)
- continue;
- si = &sides[li->sidenum[j]];
- *put++ = si->textureoffset >> FRACBITS;
- *put++ = si->rowoffset >> FRACBITS;
- *put++ = si->toptexture;
- *put++ = si->bottomtexture;
- *put++ = si->midtexture;
- }
- }
- save_p = (byte *)put;
- }
- //
- // P_UnArchiveWorld
- //
- void P_UnArchiveWorld (void)
- {
- int i;
- int j;
- sector_t* sec;
- line_t* li;
- side_t* si;
- short* get;
- get = (short *)save_p;
- // do sectors
- for (i=0, sec = sectors ; i<numsectors ; i++,sec++)
- {
- sec->floorheight = *get++ << FRACBITS;
- sec->ceilingheight = *get++ << FRACBITS;
- sec->floorpic = *get++;
- sec->ceilingpic = *get++;
- sec->lightlevel = *get++;
- sec->special = *get++; // needed?
- sec->tag = *get++; // needed?
- sec->specialdata = 0;
- sec->soundtarget = 0;
- }
- // do lines
- for (i=0, li = lines ; i<numlines ; i++,li++)
- {
- li->flags = *get++;
- li->special = *get++;
- li->tag = *get++;
- for (j=0 ; j<2 ; j++)
- {
- if (li->sidenum[j] == -1)
- continue;
- si = &sides[li->sidenum[j]];
- si->textureoffset = *get++ << FRACBITS;
- si->rowoffset = *get++ << FRACBITS;
- si->toptexture = *get++;
- si->bottomtexture = *get++;
- si->midtexture = *get++;
- }
- }
- save_p = (byte *)get;
- }
- //
- // Thinkers
- //
- typedef enum
- {
- tc_end,
- tc_mobj
- } thinkerclass_t;
- //
- // P_ArchiveThinkers
- //
- void P_ArchiveThinkers (void)
- {
- thinker_t* th;
- mobj_t* mobj;
- // save off the current thinkers
- for (th = thinkercap.next ; th != &thinkercap ; th=th->next)
- {
- if (th->function.acp1 == (actionf_p1)P_MobjThinker)
- {
- *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);
- if (mobj->player)
- mobj->player = (player_t *)((mobj->player-players) + 1);
- continue;
- }
- // I_Error ("P_ArchiveThinkers: Unknown thinker function");
- }
- // add a terminating marker
- *save_p++ = tc_end;
- }
- //
- // P_UnArchiveThinkers
- //
- void P_UnArchiveThinkers (void)
- {
- byte tclass;
- thinker_t* currentthinker;
- thinker_t* next;
- mobj_t* mobj;
- // remove all the current thinkers
- currentthinker = thinkercap.next;
- while (currentthinker != &thinkercap)
- {
- next = currentthinker->next;
- if (currentthinker->function.acp1 == (actionf_p1)P_MobjThinker)
- P_RemoveMobj ((mobj_t *)currentthinker);
- else
- Z_Free (currentthinker);
- currentthinker = next;
- }
- P_InitThinkers ();
- // read in saved thinkers
- while (1)
- {
- tclass = *save_p++;
- switch (tclass)
- {
- case tc_end:
- return; // end of list
- case tc_mobj:
- PADSAVEP();
- mobj = Z_Malloc (sizeof(*mobj), PU_LEVEL, NULL);
- memcpy (mobj, save_p, sizeof(*mobj));
- save_p += sizeof(*mobj);
- mobj->state = &states[(int)mobj->state];
- mobj->target = NULL;
- if (mobj->player)
- {
- mobj->player = &players[(int)mobj->player-1];
- mobj->player->mo = mobj;
- }
- P_SetThingPosition (mobj);
- mobj->info = &mobjinfo[mobj->type];
- mobj->floorz = mobj->subsector->sector->floorheight;
- mobj->ceilingz = mobj->subsector->sector->ceilingheight;
- mobj->thinker.function.acp1 = (actionf_p1)P_MobjThinker;
- P_AddThinker (&mobj->thinker);
- break;
- default:
- I_Error ("Unknown tclass %i in savegame",tclass);
- }
- }
- }
- //
- // P_ArchiveSpecials
- //
- enum
- {
- tc_ceiling,
- tc_door,
- tc_floor,
- tc_plat,
- tc_flash,
- tc_strobe,
- tc_glow,
- tc_endspecials
- } 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
- //
- void P_ArchiveSpecials (void)
- {
- thinker_t* th;
- ceiling_t* ceiling;
- vldoor_t* door;
- floormove_t* floor;
- plat_t* plat;
- lightflash_t* flash;
- strobe_t* strobe;
- glow_t* glow;
- int i;
- // save off the current thinkers
- for (th = thinkercap.next ; th != &thinkercap ; th=th->next)
- {
- if (th->function.acv == (actionf_v)NULL)
- {
- for (i = 0; i < MAXCEILINGS;i++)
- if (activeceilings[i] == (ceiling_t *)th)
- break;
- if (i<MAXCEILINGS)
- {
- *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.acp1 == (actionf_p1)T_MoveCeiling)
- {
- *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.acp1 == (actionf_p1)T_VerticalDoor)
- {
- *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);
- continue;
- }
- if (th->function.acp1 == (actionf_p1)T_MoveFloor)
- {
- *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.acp1 == (actionf_p1)T_PlatRaise)
- {
- *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.acp1 == (actionf_p1)T_LightFlash)
- {
- *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.acp1 == (actionf_p1)T_StrobeFlash)
- {
- *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.acp1 == (actionf_p1)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;
- }
- }
- // add a terminating marker
- *save_p++ = tc_endspecials;
- }
- //
- // P_UnArchiveSpecials
- //
- void P_UnArchiveSpecials (void)
- {
- byte tclass;
- ceiling_t* ceiling;
- vldoor_t* door;
- floormove_t* floor;
- plat_t* plat;
- lightflash_t* flash;
- strobe_t* strobe;
- glow_t* glow;
- // read in saved thinkers
- while (1)
- {
- tclass = *save_p++;
- switch (tclass)
- {
- case tc_endspecials:
- return; // end of list
- case tc_ceiling:
- PADSAVEP();
- ceiling = Z_Malloc (sizeof(*ceiling), PU_LEVEL, NULL);
- memcpy (ceiling, save_p, sizeof(*ceiling));
- save_p += sizeof(*ceiling);
- ceiling->sector = §ors[(int)ceiling->sector];
- ceiling->sector->specialdata = ceiling;
- if (ceiling->thinker.function.acp1)
- ceiling->thinker.function.acp1 = (actionf_p1)T_MoveCeiling;
- P_AddThinker (&ceiling->thinker);
- P_AddActiveCeiling(ceiling);
- break;
- case tc_door:
- PADSAVEP();
- door = Z_Malloc (sizeof(*door), PU_LEVEL, NULL);
- memcpy (door, save_p, sizeof(*door));
- save_p += sizeof(*door);
- door->sector = §ors[(int)door->sector];
- door->sector->specialdata = door;
- door->thinker.function.acp1 = (actionf_p1)T_VerticalDoor;
- P_AddThinker (&door->thinker);
- break;
- case tc_floor:
- PADSAVEP();
- floor = Z_Malloc (sizeof(*floor), PU_LEVEL, NULL);
- memcpy (floor, save_p, sizeof(*floor));
- save_p += sizeof(*floor);
- floor->sector = §ors[(int)floor->sector];
- floor->sector->specialdata = floor;
- floor->thinker.function.acp1 = (actionf_p1)T_MoveFloor;
- P_AddThinker (&floor->thinker);
- break;
- case tc_plat:
- PADSAVEP();
- plat = Z_Malloc (sizeof(*plat), PU_LEVEL, NULL);
- memcpy (plat, save_p, sizeof(*plat));
- save_p += sizeof(*plat);
- plat->sector = §ors[(int)plat->sector];
- plat->sector->specialdata = plat;
- if (plat->thinker.function.acp1)
- plat->thinker.function.acp1 = (actionf_p1)T_PlatRaise;
- P_AddThinker (&plat->thinker);
- P_AddActivePlat(plat);
- break;
- case tc_flash:
- PADSAVEP();
- flash = Z_Malloc (sizeof(*flash), PU_LEVEL, NULL);
- memcpy (flash, save_p, sizeof(*flash));
- save_p += sizeof(*flash);
- flash->sector = §ors[(int)flash->sector];
- flash->thinker.function.acp1 = (actionf_p1)T_LightFlash;
- P_AddThinker (&flash->thinker);
- break;
- case tc_strobe:
- PADSAVEP();
- strobe = Z_Malloc (sizeof(*strobe), PU_LEVEL, NULL);
- memcpy (strobe, save_p, sizeof(*strobe));
- save_p += sizeof(*strobe);
- strobe->sector = §ors[(int)strobe->sector];
- strobe->thinker.function.acp1 = (actionf_p1)T_StrobeFlash;
- P_AddThinker (&strobe->thinker);
- break;
- case tc_glow:
- PADSAVEP();
- glow = Z_Malloc (sizeof(*glow), PU_LEVEL, NULL);
- memcpy (glow, save_p, sizeof(*glow));
- save_p += sizeof(*glow);
- glow->sector = §ors[(int)glow->sector];
- glow->thinker.function.acp1 = (actionf_p1)T_Glow;
- P_AddThinker (&glow->thinker);
- break;
- default:
- I_Error ("P_UnarchiveSpecials:Unknown tclass %i "
- "in savegame",tclass);
- }
- }
- }