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raze-gles/source/rr/src/savegame.cpp

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- added RedNukem project.
2019-09-18 22:27:46 +00:00
//-------------------------------------------------------------------------
/*
Copyright (C) 2010 EDuke32 developers and contributors
This file is part of EDuke32.
EDuke32 is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License version 2
as published by the Free Software Foundation.
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
//-------------------------------------------------------------------------
#include "duke3d.h"
#include "premap.h"
#include "prlights.h"
#include "savegame.h"
static OutputFileCounter savecounter;
// For storing pointers in files.
// back_p==0: ptr -> "small int"
// back_p==1: "small int" -> ptr
//
// mode: see enum in savegame.h
void G_Util_PtrToIdx(void *ptr, int32_t const count, const void *base, int32_t const mode)
{
intptr_t *iptr = (intptr_t *)ptr;
intptr_t const ibase = (intptr_t)base;
int32_t const onlynon0_p = mode&P2I_ONLYNON0_BIT;
// TODO: convert to proper offsets/indices for (a step towards) cross-
// compatibility between 32- and 64-bit systems in the netplay.
// REMEMBER to bump BYTEVERSION then.
// WARNING: C std doesn't say that bit pattern of NULL is necessarily 0!
if ((mode & P2I_BACK_BIT) == 0)
{
for (bssize_t i = 0; i < count; i++)
if (!onlynon0_p || iptr[i])
iptr[i] -= ibase;
}
else
{
for (bssize_t i = 0; i < count; i++)
if (!onlynon0_p || iptr[i])
iptr[i] += ibase;
}
}
void G_Util_PtrToIdx2(void *ptr, int32_t const count, size_t const stride, const void *base, int32_t const mode)
{
uint8_t *iptr = (uint8_t *)ptr;
intptr_t const ibase = (intptr_t)base;
int32_t const onlynon0_p = mode&P2I_ONLYNON0_BIT;
if ((mode & P2I_BACK_BIT) == 0)
{
for (bssize_t i = 0; i < count; ++i)
{
if (!onlynon0_p || *(intptr_t *)iptr)
*(intptr_t *)iptr -= ibase;
iptr += stride;
}
}
else
{
for (bssize_t i = 0; i < count; ++i)
{
if (!onlynon0_p || *(intptr_t *)iptr)
*(intptr_t *)iptr += ibase;
iptr += stride;
}
}
}
// TODO: sync with TROR special interpolations? (e.g. upper floor of subway)
void G_ResetInterpolations(void)
{
int32_t k, i;
g_interpolationCnt = 0;
k = headspritestat[STAT_EFFECTOR];
while (k >= 0)
{
switch (sprite[k].lotag)
{
case SE_31_FLOOR_RISE_FALL:
G_SetInterpolation(&sector[sprite[k].sectnum].floorz);
break;
case SE_32_CEILING_RISE_FALL:
G_SetInterpolation(&sector[sprite[k].sectnum].ceilingz);
break;
case SE_17_WARP_ELEVATOR:
case SE_25_PISTON:
G_SetInterpolation(&sector[sprite[k].sectnum].floorz);
G_SetInterpolation(&sector[sprite[k].sectnum].ceilingz);
break;
case SE_0_ROTATING_SECTOR:
case SE_5:
case SE_6_SUBWAY:
case SE_11_SWINGING_DOOR:
case SE_14_SUBWAY_CAR:
case SE_15_SLIDING_DOOR:
case SE_16_REACTOR:
case SE_26:
case SE_30_TWO_WAY_TRAIN:
Sect_SetInterpolation(sprite[k].sectnum);
break;
}
k = nextspritestat[k];
}
for (i=g_interpolationCnt-1; i>=0; i--) bakipos[i] = *curipos[i];
for (i = g_animateCnt-1; i>=0; i--)
G_SetInterpolation(g_animatePtr[i]);
}
savebrief_t g_lastautosave, g_lastusersave, g_freshload;
int32_t g_lastAutoSaveArbitraryID = -1;
bool g_saveRequested;
savebrief_t * g_quickload;
menusave_t * g_menusaves;
uint16_t g_nummenusaves;
static menusave_t * g_internalsaves;
static uint16_t g_numinternalsaves;
static void ReadSaveGameHeaders_CACHE1D(CACHE1D_FIND_REC *f)
{
savehead_t h;
for (; f != nullptr; f = f->next)
{
char const * fn = f->name;
int32_t fil = kopen4loadfrommod(fn, 0);
if (fil == -1)
continue;
menusave_t & msv = g_internalsaves[g_numinternalsaves];
int32_t k = sv_loadheader(fil, 0, &h);
if (k)
{
if (k < 0)
msv.isUnreadable = 1;
msv.isOldVer = 1;
}
else
msv.isOldVer = 0;
msv.isAutoSave = h.isAutoSave();
strncpy(msv.brief.path, fn, ARRAY_SIZE(msv.brief.path));
++g_numinternalsaves;
if (k >= 0 && h.savename[0] != '\0')
{
memcpy(msv.brief.name, h.savename, ARRAY_SIZE(msv.brief.name));
}
else
msv.isUnreadable = 1;
kclose(fil);
}
}
static int countcache1dfind(CACHE1D_FIND_REC *f)
{
int x = 0;
for (; f != nullptr; f = f->next)
++x;
return x;
}
static void ReadSaveGameHeaders_Internal(void)
{
static char const DefaultPath[] = "/", SavePattern[] = "*.esv";
CACHE1D_FIND_REC *findfiles_default = klistpath(DefaultPath, SavePattern, CACHE1D_FIND_FILE);
// potentially overallocating but programmatically simple
int const numfiles = countcache1dfind(findfiles_default);
size_t const internalsavesize = sizeof(menusave_t) * numfiles;
g_internalsaves = (menusave_t *)Xrealloc(g_internalsaves, internalsavesize);
for (int x = 0; x < numfiles; ++x)
g_internalsaves[x].clear();
g_numinternalsaves = 0;
ReadSaveGameHeaders_CACHE1D(findfiles_default);
klistfree(findfiles_default);
g_nummenusaves = 0;
for (int x = g_numinternalsaves-1; x >= 0; --x)
{
menusave_t & msv = g_internalsaves[x];
if (!msv.isUnreadable)
{
++g_nummenusaves;
}
}
size_t const menusavesize = sizeof(menusave_t) * g_nummenusaves;
g_menusaves = (menusave_t *)Xrealloc(g_menusaves, menusavesize);
for (int x = 0; x < g_nummenusaves; ++x)
g_menusaves[x].clear();
for (int x = g_numinternalsaves-1, y = 0; x >= 0; --x)
{
menusave_t & msv = g_internalsaves[x];
if (!msv.isUnreadable)
{
g_menusaves[y++] = msv;
}
}
for (int x = g_numinternalsaves-1; x >= 0; --x)
{
char const * const path = g_internalsaves[x].brief.path;
int const pathlen = Bstrlen(path);
if (pathlen < 12)
continue;
char const * const fn = path + (pathlen-12);
if (fn[0] == 's' && fn[1] == 'a' && fn[2] == 'v' && fn[3] == 'e' &&
isdigit(fn[4]) && isdigit(fn[5]) && isdigit(fn[6]) && isdigit(fn[7]))
{
char number[5];
memcpy(number, fn+4, 4);
number[4] = '\0';
savecounter.count = Batoi(number)+1;
break;
}
}
}
void ReadSaveGameHeaders(void)
{
ReadSaveGameHeaders_Internal();
if (!ud.autosavedeletion)
return;
bool didDelete = false;
int numautosaves = 0;
for (int x = 0; x < g_nummenusaves; ++x)
{
menusave_t & msv = g_menusaves[x];
if (!msv.isAutoSave)
continue;
if (numautosaves >= ud.maxautosaves)
{
G_DeleteSave(msv.brief);
didDelete = true;
}
++numautosaves;
}
if (didDelete)
ReadSaveGameHeaders_Internal();
}
int32_t G_LoadSaveHeaderNew(char const *fn, savehead_t *saveh)
{
int32_t fil = kopen4loadfrommod(fn, 0);
if (fil == -1)
return -1;
int32_t i = sv_loadheader(fil, 0, saveh);
if (i < 0)
goto corrupt;
int32_t screenshotofs;
if (kread(fil, &screenshotofs, 4) != 4)
goto corrupt;
walock[TILE_LOADSHOT] = 255;
if (waloff[TILE_LOADSHOT] == 0)
cacheAllocateBlock(&waloff[TILE_LOADSHOT], 320*200, &walock[TILE_LOADSHOT]);
tilesiz[TILE_LOADSHOT].x = 200;
tilesiz[TILE_LOADSHOT].y = 320;
if (screenshotofs)
{
if (kdfread_LZ4((char *)waloff[TILE_LOADSHOT], 320, 200, fil) != 200)
{
OSD_Printf("G_LoadSaveHeaderNew(): failed reading screenshot in \"%s\"\n", fn);
goto corrupt;
}
}
else
{
Bmemset((char *)waloff[TILE_LOADSHOT], 0, 320*200);
}
tileInvalidate(TILE_LOADSHOT, 0, 255);
kclose(fil);
return 0;
corrupt:
kclose(fil);
return 1;
}
static void sv_postudload();
// hack
static int different_user_map;
// XXX: keyboard input 'blocked' after load fail? (at least ESC?)
int32_t G_LoadPlayer(savebrief_t & sv)
{
int const fil = kopen4loadfrommod(sv.path, 0);
if (fil == -1)
return -1;
ready2send = 0;
savehead_t h;
int status = sv_loadheader(fil, 0, &h);
if (status < 0 || h.numplayers != ud.multimode)
{
if (status == -4 || status == -3 || status == 1)
P_DoQuote(QUOTE_SAVE_BAD_VERSION, g_player[myconnectindex].ps);
else if (h.numplayers != ud.multimode)
P_DoQuote(QUOTE_SAVE_BAD_PLAYERS, g_player[myconnectindex].ps);
kclose(fil);
ototalclock = totalclock;
ready2send = 1;
return 1;
}
// some setup first
ud.multimode = h.numplayers;
if (numplayers > 1)
{
pub = NUMPAGES;
pus = NUMPAGES;
G_UpdateScreenArea();
G_DrawBackground();
menutext_center(100, "Loading...");
videoNextPage();
}
Net_WaitForServer();
FX_StopAllSounds();
S_ClearSoundLocks();
// non-"m_" fields will be loaded from svgm_udnetw
ud.m_volume_number = h.volnum;
ud.m_level_number = h.levnum;
ud.m_player_skill = h.skill;
// NOTE: Bmemcpy needed for SAVEGAME_MUSIC.
EDUKE32_STATIC_ASSERT(sizeof(boardfilename) == sizeof(h.boardfn));
different_user_map = Bstrcmp(boardfilename, h.boardfn);
Bmemcpy(boardfilename, h.boardfn, sizeof(boardfilename));
int const mapIdx = h.volnum*MAXLEVELS + h.levnum;
if (boardfilename[0])
Bstrcpy(currentboardfilename, boardfilename);
else if (g_mapInfo[mapIdx].filename)
Bstrcpy(currentboardfilename, g_mapInfo[mapIdx].filename);
if (currentboardfilename[0])
{
artSetupMapArt(currentboardfilename);
append_ext_UNSAFE(currentboardfilename, ".mhk");
engineLoadMHK(currentboardfilename);
}
Bmemcpy(currentboardfilename, boardfilename, BMAX_PATH);
if (status == 2)
G_NewGame_EnterLevel();
else if ((status = sv_loadsnapshot(fil, 0, &h))) // read the rest...
{
// in theory, we could load into an initial dump first and trivially
// recover if things go wrong...
Bsprintf(tempbuf, "Loading save game file \"%s\" failed (code %d), cannot recover.", sv.path, status);
G_GameExit(tempbuf);
}
sv_postudload(); // ud.m_XXX = ud.XXX
kclose(fil);
return 0;
}
////////// TIMER SAVING/RESTORING //////////
static struct {
int32_t totalclock, totalclocklock; // engine
int32_t ototalclock, lockclock; // game
} g_timers;
static void G_SaveTimers(void)
{
g_timers.totalclock = totalclock;
g_timers.totalclocklock = totalclocklock;
g_timers.ototalclock = ototalclock;
g_timers.lockclock = lockclock;
}
static void G_RestoreTimers(void)
{
timerUpdate();
totalclock = g_timers.totalclock;
totalclocklock = g_timers.totalclocklock;
ototalclock = g_timers.ototalclock;
lockclock = g_timers.lockclock;
}
//////////
#ifdef __ANDROID__
static void G_SavePalette(void)
{
int32_t pfil;
if ((pfil = kopen4load("palette.dat", 0)) != -1)
{
int len = kfilelength(pfil);
FILE *fil = fopen("palette.dat", "rb");
if (!fil)
{
fil = fopen("palette.dat", "wb");
if (fil)
{
char *buf = (char *) Xaligned_alloc(16, len);
kread(pfil, buf, len);
fwrite(buf, len, 1, fil);
fclose(fil);
Bfree(buf);
}
}
else fclose(fil);
}
}
#endif
void G_DeleteSave(savebrief_t const & sv)
{
if (!sv.isValid())
return;
char temp[BMAX_PATH];
if (G_ModDirSnprintf(temp, sizeof(temp), "%s", sv.path))
{
OSD_Printf("G_SavePlayer: file name \"%s\" too long\n", sv.path);
return;
}
unlink(temp);
}
void G_DeleteOldSaves(void)
{
ReadSaveGameHeaders();
for (int x = 0; x < g_numinternalsaves; ++x)
{
menusave_t const & msv = g_internalsaves[x];
if (msv.isOldVer || msv.isUnreadable)
G_DeleteSave(msv.brief);
}
}
uint16_t G_CountOldSaves(void)
{
ReadSaveGameHeaders();
int bad = 0;
for (int x = 0; x < g_numinternalsaves; ++x)
{
menusave_t const & msv = g_internalsaves[x];
if (msv.isOldVer || msv.isUnreadable)
++bad;
}
return bad;
}
int32_t G_SavePlayer(savebrief_t & sv, bool isAutoSave)
{
#ifdef __ANDROID__
G_SavePalette();
#endif
G_SaveTimers();
Net_WaitForServer();
ready2send = 0;
char temp[BMAX_PATH];
errno = 0;
FILE *fil;
if (sv.isValid())
{
if (G_ModDirSnprintf(temp, sizeof(temp), "%s", sv.path))
{
OSD_Printf("G_SavePlayer: file name \"%s\" too long\n", sv.path);
goto saveproblem;
}
fil = fopen(temp, "wb");
}
else
{
static char const SaveName[] = "save0000.esv";
int const len = G_ModDirSnprintfLite(temp, ARRAY_SIZE(temp), SaveName);
if (len >= ARRAY_SSIZE(temp)-1)
{
OSD_Printf("G_SavePlayer: could not form automatic save path\n");
goto saveproblem;
}
char * zeros = temp + (len-8);
fil = savecounter.opennextfile(temp, zeros);
savecounter.count++;
// don't copy the mod dir into sv.path
Bstrcpy(sv.path, temp + (len-(ARRAY_SIZE(SaveName)-1)));
}
if (!fil)
{
OSD_Printf("G_SavePlayer: failed opening \"%s\" for writing: %s\n",
temp, strerror(errno));
goto saveproblem;
}
// temporary hack
ud.user_map = G_HaveUserMap();
#ifdef POLYMER
if (videoGetRenderMode() == REND_POLYMER)
polymer_resetlights();
#endif
// SAVE!
sv_saveandmakesnapshot(fil, sv.name, 0, 0, 0, 0, isAutoSave);
fclose(fil);
if (!g_netServer && ud.multimode < 2)
{
Bstrcpy(apStrings[QUOTE_RESERVED4], "Game Saved");
P_DoQuote(QUOTE_RESERVED4, g_player[myconnectindex].ps);
}
ready2send = 1;
Net_WaitForServer();
G_RestoreTimers();
ototalclock = totalclock;
return 0;
saveproblem:
ready2send = 1;
Net_WaitForServer();
G_RestoreTimers();
ototalclock = totalclock;
return -1;
}
int32_t G_LoadPlayerMaybeMulti(savebrief_t & sv)
{
if (g_netServer || ud.multimode > 1)
{
Bstrcpy(apStrings[QUOTE_RESERVED4], "Multiplayer Loading Not Yet Supported");
P_DoQuote(QUOTE_RESERVED4, g_player[myconnectindex].ps);
// g_player[myconnectindex].ps->gm = MODE_GAME;
return 127;
}
else
{
int32_t c = G_LoadPlayer(sv);
if (c == 0)
g_player[myconnectindex].ps->gm = MODE_GAME;
return c;
}
}
void G_SavePlayerMaybeMulti(savebrief_t & sv, bool isAutoSave)
{
CONFIG_WriteSetup(2);
if (g_netServer || ud.multimode > 1)
{
Bstrcpy(apStrings[QUOTE_RESERVED4], "Multiplayer Saving Not Yet Supported");
P_DoQuote(QUOTE_RESERVED4, g_player[myconnectindex].ps);
}
else
{
G_SavePlayer(sv, isAutoSave);
}
}
////////// GENERIC SAVING/LOADING SYSTEM //////////
typedef struct dataspec_
{
uint32_t flags;
void * const ptr;
uint32_t size;
intptr_t cnt;
} dataspec_t;
#define SV_DEFAULTCOMPRTHRES 8
static uint8_t savegame_diffcompress; // 0:none, 1:Ken's LZW in cache1d.c
static uint8_t savegame_comprthres;
#define DS_DYNAMIC 1 // dereference .ptr one more time
#define DS_STRING 2
#define DS_CMP 4
// 8
#define DS_CNT(x) ((sizeof(x))<<3) // .cnt is pointer to...
#define DS_CNT16 16
#define DS_CNT32 32
#define DS_CNTMASK (8|DS_CNT16|DS_CNT32|64)
// 64
#define DS_LOADFN 128 // .ptr is function that is run when loading
#define DS_SAVEFN 256 // .ptr is function that is run when saving
#define DS_NOCHK 1024 // don't check for diffs (and don't write out in dump) since assumed constant throughout demo
#define DS_PROTECTFN 512
#define DS_END (0x70000000)
static int32_t ds_getcnt(const dataspec_t *spec)
{
int cnt = -1;
switch (spec->flags & DS_CNTMASK)
{
case 0: cnt = spec->cnt; break;
case DS_CNT16: cnt = *((int16_t *)spec->cnt); break;
case DS_CNT32: cnt = *((int32_t *)spec->cnt); break;
}
return cnt;
}
static inline void ds_get(const dataspec_t *spec, void **ptr, int32_t *cnt)
{
*cnt = ds_getcnt(spec);
*ptr = (spec->flags & DS_DYNAMIC) ? *((void **)spec->ptr) : spec->ptr;
}
// write state to file and/or to dump
static uint8_t *writespecdata(const dataspec_t *spec, FILE *fil, uint8_t *dump)
{
for (; spec->flags != DS_END; spec++)
{
if (spec->flags & (DS_SAVEFN|DS_LOADFN))
{
if (spec->flags & DS_SAVEFN)
(*(void (*)(void))spec->ptr)();
continue;
}
if (!fil && (spec->flags & (DS_NOCHK|DS_CMP|DS_STRING)))
continue;
else if (spec->flags & DS_STRING)
{
fwrite(spec->ptr, Bstrlen((const char *)spec->ptr), 1, fil); // not null-terminated!
continue;
}
void * ptr;
int32_t cnt;
ds_get(spec, &ptr, &cnt);
if (cnt < 0)
{
OSD_Printf("wsd: cnt=%d, f=0x%x.\n", cnt, spec->flags);
continue;
}
if (!ptr || !cnt)
continue;
if (fil)
{
if ((spec->flags & DS_CMP) || ((spec->flags & DS_CNTMASK) == 0 && spec->size * cnt <= savegame_comprthres))
fwrite(ptr, spec->size, cnt, fil);
else
dfwrite_LZ4((void *)ptr, spec->size, cnt, fil);
}
if (dump && (spec->flags & (DS_NOCHK|DS_CMP)) == 0)
{
Bmemcpy(dump, ptr, spec->size * cnt);
dump += spec->size * cnt;
}
}
return dump;
}
// let havedump=dumpvar&&*dumpvar
// (fil>=0 && havedump): first restore dump from file, then restore state from dump
// (fil<0 && havedump): only restore state from dump
// (fil>=0 && !havedump): only restore state from file
static int32_t readspecdata(const dataspec_t *spec, int32_t fil, uint8_t **dumpvar)
{
uint8_t * dump = dumpvar ? *dumpvar : NULL;
auto const sptr = spec;
for (; spec->flags != DS_END; spec++)
{
if (fil < 0 && spec->flags & (DS_NOCHK|DS_STRING|DS_CMP)) // we're updating
continue;
if (spec->flags & (DS_LOADFN|DS_SAVEFN))
{
if (spec->flags & DS_LOADFN)
(*(void (*)())spec->ptr)();
continue;
}
if (spec->flags & (DS_STRING|DS_CMP)) // DS_STRING and DS_CMP is for static data only
{
static char cmpstrbuf[32];
int const siz = (spec->flags & DS_STRING) ? Bstrlen((const char *)spec->ptr) : spec->size * spec->cnt;
int const ksiz = kread(fil, cmpstrbuf, siz);
if (ksiz != siz || Bmemcmp(spec->ptr, cmpstrbuf, siz))
{
OSD_Printf("rsd: spec=%s, idx=%d:\n", (char *)sptr->ptr, (int32_t)(spec-sptr));
if (ksiz!=siz)
OSD_Printf(" kread returned %d, expected %d.\n", ksiz, siz);
else
OSD_Printf(" sp->ptr and cmpstrbuf not identical!\n");
return -1;
}
continue;
}
void * ptr;
int32_t cnt;
ds_get(spec, &ptr, &cnt);
if (cnt < 0)
{
OSD_Printf("rsd: cnt<0... wtf?\n");
return -1;
}
if (!ptr || !cnt)
continue;
if (fil >= 0)
{
auto const mem = (dump && (spec->flags & DS_NOCHK) == 0) ? dump : (uint8_t *)ptr;
bool const comp = !((spec->flags & DS_CNTMASK) == 0 && spec->size * cnt <= savegame_comprthres);
int const siz = comp ? cnt : cnt * spec->size;
int const ksiz = comp ? kdfread_LZ4(mem, spec->size, siz, fil) : kread(fil, mem, siz);
if (ksiz != siz)
{
OSD_Printf("rsd: spec=%s, idx=%d, mem=%p\n", (char *)sptr->ptr, (int32_t)(spec - sptr), mem);
OSD_Printf(" (%s): read %d, expected %d!\n",
((spec->flags & DS_CNTMASK) == 0 && spec->size * cnt <= savegame_comprthres) ? "uncompressed" : "compressed", ksiz, siz);
if (ksiz == -1)
OSD_Printf(" read: %s\n", strerror(errno));
return -1;
}
}
if (dump && (spec->flags & DS_NOCHK) == 0)
{
Bmemcpy(ptr, dump, spec->size * cnt);
dump += spec->size * cnt;
}
}
if (dumpvar)
*dumpvar = dump;
return 0;
}
#define UINT(bits) uint##bits##_t
#define BYTES(bits) (bits>>3)
#define VAL(bits,p) (*(UINT(bits) const *)(p))
#define WVAL(bits,p) (*(UINT(bits) *)(p))
static void docmpsd(const void *ptr, void *dump, uint32_t size, uint32_t cnt, uint8_t **diffvar)
{
uint8_t *retdiff = *diffvar;
// Hail to the C preprocessor, baby!
#define CPSINGLEVAL(Datbits) \
if (VAL(Datbits, ptr) != VAL(Datbits, dump)) \
{ \
WVAL(Datbits, retdiff) = WVAL(Datbits, dump) = VAL(Datbits, ptr); \
*diffvar = retdiff + BYTES(Datbits); \
}
if (cnt == 1)
switch (size)
{
case 8: CPSINGLEVAL(64); return;
case 4: CPSINGLEVAL(32); return;
case 2: CPSINGLEVAL(16); return;
case 1: CPSINGLEVAL(8); return;
}
#define CPELTS(Idxbits, Datbits) \
do \
{ \
for (int i = 0; i < nelts; i++) \
{ \
if (*p != *op) \
{ \
*op = *p; \
WVAL(Idxbits, retdiff) = i; \
retdiff += BYTES(Idxbits); \
WVAL(Datbits, retdiff) = *p; \
retdiff += BYTES(Datbits); \
} \
p++; \
op++; \
} \
WVAL(Idxbits, retdiff) = -1; \
retdiff += BYTES(Idxbits); \
} while (0)
#define CPDATA(Datbits) \
do \
{ \
auto p = (UINT(Datbits) const *)ptr; \
auto op = (UINT(Datbits) *)dump; \
int nelts = tabledivide32_noinline(size * cnt, BYTES(Datbits)); \
if (nelts > 65536) \
CPELTS(32, Datbits); \
else if (nelts > 256) \
CPELTS(16, Datbits); \
else \
CPELTS(8, Datbits); \
} while (0)
if (size == 8)
CPDATA(64);
else if ((size & 3) == 0)
CPDATA(32);
else if ((size & 1) == 0)
CPDATA(16);
else
CPDATA(8);
*diffvar = retdiff;
#undef CPELTS
#undef CPSINGLEVAL
#undef CPDATA
}
// get the number of elements to be monitored for changes
static int32_t getnumvar(const dataspec_t *spec)
{
int n = 0;
for (; spec->flags != DS_END; spec++)
if (spec->flags & (DS_STRING|DS_CMP|DS_NOCHK|DS_SAVEFN|DS_LOADFN))
++n;
return n;
}
// update dump at *dumpvar with new state and write diff to *diffvar
static void cmpspecdata(const dataspec_t *spec, uint8_t **dumpvar, uint8_t **diffvar)
{
uint8_t * dump = *dumpvar;
uint8_t * diff = *diffvar;
int nbytes = (getnumvar(spec) + 7) >> 3;
int const slen = Bstrlen((const char *)spec->ptr);
Bmemcpy(diff, spec->ptr, slen);
diff += slen;
while (nbytes--)
*(diff++) = 0; // the bitmap of indices which elements of spec have changed go here
int eltnum = 0;
for (spec++; spec->flags!=DS_END; spec++)
{
if ((spec->flags&(DS_NOCHK|DS_STRING|DS_CMP)))
continue;
if (spec->flags&(DS_LOADFN|DS_SAVEFN))
{
if ((spec->flags&(DS_PROTECTFN))==0)
(*(void (*)())spec->ptr)();
continue;
}
void * ptr;
int32_t cnt;
ds_get(spec, &ptr, &cnt);
if (cnt < 0)
{
OSD_Printf("csd: cnt=%d, f=0x%x\n", cnt, spec->flags);
continue;
}
uint8_t * const tmptr = diff;
docmpsd(ptr, dump, spec->size, cnt, &diff);
if (diff != tmptr)
(*diffvar + slen)[eltnum>>3] |= 1<<(eltnum&7);
dump += spec->size*cnt;
eltnum++;
}
*diffvar = diff;
*dumpvar = dump;
}
#define VALOFS(bits,p,ofs) (*(((UINT(bits) *)(p)) + (ofs)))
// apply diff to dump, not to state! state is restored from dump afterwards.
static int32_t applydiff(const dataspec_t *spec, uint8_t **dumpvar, uint8_t **diffvar)
{
uint8_t * dump = *dumpvar;
uint8_t * diff = *diffvar;
int const nbytes = (getnumvar(spec)+7)>>3;
int const slen = Bstrlen((const char *)spec->ptr);
if (Bmemcmp(diff, spec->ptr, slen)) // check STRING magic (sync check)
return 1;
diff += slen+nbytes;
int eltnum = -1;
for (spec++; spec->flags != DS_END; spec++)
{
if ((spec->flags & (DS_NOCHK|DS_STRING|DS_CMP|DS_LOADFN|DS_SAVEFN)))
continue;
int const cnt = ds_getcnt(spec);
if (cnt < 0) return 1;
eltnum++;
if (((*diffvar+slen)[eltnum>>3] & (1<<(eltnum&7))) == 0)
{
dump += spec->size * cnt;
continue;
}
// ----------
#define CPSINGLEVAL(Datbits) \
WVAL(Datbits, dump) = VAL(Datbits, diff); \
diff += BYTES(Datbits); \
dump += BYTES(Datbits)
if (cnt == 1)
{
switch (spec->size)
{
case 8: CPSINGLEVAL(64); continue;
case 4: CPSINGLEVAL(32); continue;
case 2: CPSINGLEVAL(16); continue;
case 1: CPSINGLEVAL(8); continue;
}
}
#define CPELTS(Idxbits, Datbits) \
do \
{ \
UINT(Idxbits) idx; \
goto readidx_##Idxbits##_##Datbits; \
do \
{ \
VALOFS(Datbits, dump, idx) = VAL(Datbits, diff); \
diff += BYTES(Datbits); \
readidx_##Idxbits##_##Datbits: \
idx = VAL(Idxbits, diff); \
diff += BYTES(Idxbits); \
} while ((int##Idxbits##_t)idx != -1); \
} while (0)
#define CPDATA(Datbits) \
do \
{ \
int const elts = tabledivide32_noinline(spec->size * cnt, BYTES(Datbits)); \
if (elts > 65536) \
CPELTS(32, Datbits); \
else if (elts > 256) \
CPELTS(16, Datbits); \
else \
CPELTS(8, Datbits); \
} while (0)
if (spec->size == 8)
CPDATA(64);
else if ((spec->size & 3) == 0)
CPDATA(32);
else if ((spec->size & 1) == 0)
CPDATA(16);
else
CPDATA(8);
dump += spec->size * cnt;
// ----------
#undef CPELTS
#undef CPSINGLEVAL
#undef CPDATA
}
*diffvar = diff;
*dumpvar = dump;
return 0;
}
#undef VAL
#undef VALOFS
#undef BYTES
#undef UINT
// calculate size needed for dump
static uint32_t calcsz(const dataspec_t *spec)
{
uint32_t dasiz = 0;
for (; spec->flags != DS_END; spec++)
{
// DS_STRINGs are used as sync checks in the diffs but not in the dump
if ((spec->flags & (DS_CMP|DS_NOCHK|DS_SAVEFN|DS_LOADFN|DS_STRING)))
continue;
int const cnt = ds_getcnt(spec);
if (cnt <= 0)
continue;
dasiz += cnt * spec->size;
}
return dasiz;
}
#ifdef USE_OPENGL
static void sv_prespriteextsave();
static void sv_postspriteext();
#endif
static void sv_postactordata();
static void sv_preanimateptrsave();
static void sv_postanimateptr();
static void sv_prequote();
static void sv_quotesave();
static void sv_quoteload();
static void sv_restsave();
static void sv_restload();
static void sv_rrrafog();
#define SVARDATALEN \
((sizeof(g_player[0].user_name)+sizeof(g_player[0].pcolor)+sizeof(g_player[0].pteam) \
+sizeof(g_player[0].frags)+sizeof(DukePlayer_t))*MAXPLAYERS)
static uint8_t savegame_quotedef[MAXQUOTES>>3];
static char (*savegame_quotes)[MAXQUOTELEN];
static uint8_t savegame_restdata[SVARDATALEN];
static char svgm_udnetw_string [] = "blK:udnt";
static const dataspec_t svgm_udnetw[] =
{
{ DS_STRING, (void *)svgm_udnetw_string, 0, 1 },
{ 0, &ud.multimode, sizeof(ud.multimode), 1 },
{ 0, &g_playerSpawnCnt, sizeof(g_playerSpawnCnt), 1 },
{ 0, &g_playerSpawnPoints, sizeof(g_playerSpawnPoints), 1 },
{ DS_NOCHK, &ud.volume_number, sizeof(ud.volume_number), 1 },
{ DS_NOCHK, &ud.level_number, sizeof(ud.level_number), 1 },
{ DS_NOCHK, &ud.user_map, sizeof(ud.user_map), 1 },
{ DS_NOCHK, &ud.player_skill, sizeof(ud.player_skill), 1 },
{ DS_NOCHK, &ud.music_episode, sizeof(ud.music_episode), 1 },
{ DS_NOCHK, &ud.music_level, sizeof(ud.music_level), 1 },
{ DS_NOCHK, &ud.from_bonus, sizeof(ud.from_bonus), 1 },
{ DS_NOCHK, &ud.secretlevel, sizeof(ud.secretlevel), 1 },
{ DS_NOCHK, &ud.respawn_monsters, sizeof(ud.respawn_monsters), 1 },
{ DS_NOCHK, &ud.respawn_items, sizeof(ud.respawn_items), 1 },
{ DS_NOCHK, &ud.respawn_inventory, sizeof(ud.respawn_inventory), 1 },
{ 0, &ud.god, sizeof(ud.god), 1 },
{ 0, &ud.auto_run, sizeof(ud.auto_run), 1 },
// { DS_NOCHK, &ud.crosshair, sizeof(ud.crosshair), 1 },
{ DS_NOCHK, &ud.monsters_off, sizeof(ud.monsters_off), 1 },
{ DS_NOCHK, &ud.last_level, sizeof(ud.last_level), 1 },
{ 0, &ud.eog, sizeof(ud.eog), 1 },
{ DS_NOCHK, &ud.coop, sizeof(ud.coop), 1 },
{ DS_NOCHK, &ud.marker, sizeof(ud.marker), 1 },
{ DS_NOCHK, &ud.ffire, sizeof(ud.ffire), 1 },
{ DS_NOCHK, &ud.noexits, sizeof(ud.noexits), 1 },
{ DS_NOCHK, &ud.playerai, sizeof(ud.playerai), 1 },
{ 0, &ud.pause_on, sizeof(ud.pause_on), 1 },
{ DS_NOCHK, &currentboardfilename[0], BMAX_PATH, 1 },
// { DS_LOADFN, (void *)&sv_postudload, 0, 1 },
{ 0, connectpoint2, sizeof(connectpoint2), 1 },
{ 0, &randomseed, sizeof(randomseed), 1 },
{ 0, &g_globalRandom, sizeof(g_globalRandom), 1 },
// { 0, &lockclock_dummy, sizeof(lockclock), 1 },
{ DS_END, 0, 0, 0 }
};
#if !defined DEBUG_MAIN_ARRAYS
# define DS_MAINAR DS_DYNAMIC
#else
# define DS_MAINAR 0
#endif
static char svgm_secwsp_string [] = "blK:swsp";
static const dataspec_t svgm_secwsp[] =
{
{ DS_STRING, (void *)svgm_secwsp_string, 0, 1 },
{ DS_NOCHK, &numwalls, sizeof(numwalls), 1 },
{ DS_MAINAR|DS_CNT(numwalls), &wall, sizeof(walltype), (intptr_t)&numwalls },
{ DS_NOCHK, &numsectors, sizeof(numsectors), 1 },
{ DS_MAINAR|DS_CNT(numsectors), &sector, sizeof(sectortype), (intptr_t)&numsectors },
{ DS_MAINAR, &sprite, sizeof(spritetype), MAXSPRITES },
#ifdef YAX_ENABLE
{ DS_NOCHK, &numyaxbunches, sizeof(numyaxbunches), 1 },
# if !defined NEW_MAP_FORMAT
{ DS_CNT(numsectors), yax_bunchnum, sizeof(yax_bunchnum[0]), (intptr_t)&numsectors },
{ DS_CNT(numwalls), yax_nextwall, sizeof(yax_nextwall[0]), (intptr_t)&numwalls },
# endif
{ DS_LOADFN|DS_PROTECTFN, (void *)&sv_postyaxload, 0, 1 },
#endif
{ 0, &Numsprites, sizeof(Numsprites), 1 },
{ 0, &tailspritefree, sizeof(tailspritefree), 1 },
{ 0, &headspritesect[0], sizeof(headspritesect[0]), MAXSECTORS+1 },
{ 0, &prevspritesect[0], sizeof(prevspritesect[0]), MAXSPRITES },
{ 0, &nextspritesect[0], sizeof(nextspritesect[0]), MAXSPRITES },
{ 0, &headspritestat[0], sizeof(headspritestat[0]), MAXSTATUS+1 },
{ 0, &prevspritestat[0], sizeof(prevspritestat[0]), MAXSPRITES },
{ 0, &nextspritestat[0], sizeof(nextspritestat[0]), MAXSPRITES },
#ifdef USE_OPENGL
{ DS_SAVEFN, (void *)&sv_prespriteextsave, 0, 1 },
#endif
{ DS_MAINAR, &spriteext, sizeof(spriteext_t), MAXSPRITES },
#ifndef NEW_MAP_FORMAT
{ DS_MAINAR, &wallext, sizeof(wallext_t), MAXWALLS },
#endif
#ifdef USE_OPENGL
{ DS_SAVEFN|DS_LOADFN, (void *)&sv_postspriteext, 0, 1 },
#endif
{ DS_NOCHK, &g_cyclerCnt, sizeof(g_cyclerCnt), 1 },
{ DS_CNT(g_cyclerCnt), &g_cyclers[0][0], sizeof(g_cyclers[0]), (intptr_t)&g_cyclerCnt },
{ DS_NOCHK, &g_animWallCnt, sizeof(g_animWallCnt), 1 },
{ DS_CNT(g_animWallCnt), &animwall, sizeof(animwall[0]), (intptr_t)&g_animWallCnt },
{ DS_NOCHK, &g_mirrorCount, sizeof(g_mirrorCount), 1 },
{ DS_NOCHK, &g_mirrorWall[0], sizeof(g_mirrorWall[0]), ARRAY_SIZE(g_mirrorWall) },
{ DS_NOCHK, &g_mirrorSector[0], sizeof(g_mirrorSector[0]), ARRAY_SIZE(g_mirrorSector) },
{ 0, &everyothertime, sizeof(everyothertime), 1 },
{ DS_END, 0, 0, 0 }
};
static char svgm_script_string [] = "blK:scri";
static const dataspec_t svgm_script[] =
{
{ DS_STRING, (void *)svgm_script_string, 0, 1 },
{ 0, &actor[0], sizeof(actor_t), MAXSPRITES },
{ DS_SAVEFN|DS_LOADFN, (void *)&sv_postactordata, 0, 1 },
{ DS_END, 0, 0, 0 }
};
static char svgm_anmisc_string [] = "blK:anms";
static char svgm_end_string [] = "savegame_end";
static const dataspec_t svgm_anmisc[] =
{
{ DS_STRING, (void *)svgm_anmisc_string, 0, 1 },
{ 0, &g_animateCnt, sizeof(g_animateCnt), 1 },
{ 0, &g_animateSect[0], sizeof(g_animateSect[0]), MAXANIMATES },
{ 0, &g_animateGoal[0], sizeof(g_animateGoal[0]), MAXANIMATES },
{ 0, &g_animateVel[0], sizeof(g_animateVel[0]), MAXANIMATES },
{ DS_SAVEFN, (void *)&sv_preanimateptrsave, 0, 1 },
{ 0, &g_animatePtr[0], sizeof(g_animatePtr[0]), MAXANIMATES },
{ DS_SAVEFN|DS_LOADFN , (void *)&sv_postanimateptr, 0, 1 },
{ 0, &g_curViewscreen, sizeof(g_curViewscreen), 1 },
{ 0, &g_origins[0], sizeof(g_origins[0]), ARRAY_SIZE(g_origins) },
{ 0, &g_spriteDeleteQueuePos, sizeof(g_spriteDeleteQueuePos), 1 },
{ DS_NOCHK, &g_deleteQueueSize, sizeof(g_deleteQueueSize), 1 },
{ DS_CNT(g_deleteQueueSize), &SpriteDeletionQueue[0], sizeof(int16_t), (intptr_t)&g_deleteQueueSize },
{ 0, &show2dsector[0], sizeof(uint8_t), MAXSECTORS>>3 },
{ DS_NOCHK, &g_cloudCnt, sizeof(g_cloudCnt), 1 },
{ 0, &g_cloudSect[0], sizeof(g_cloudSect), 1 },
{ 0, &g_cloudX, sizeof(g_cloudX), 1 },
{ 0, &g_cloudY, sizeof(g_cloudY), 1 },
{ 0, &g_pskyidx, sizeof(g_pskyidx), 1 }, // DS_NOCHK?
{ 0, &g_earthquakeTime, sizeof(g_earthquakeTime), 1 },
// RR stuff
{ 0, &g_spriteExtra[0], sizeof(g_spriteExtra[0]), MAXSPRITES },
{ 0, &g_sectorExtra[0], sizeof(g_sectorExtra[0]), MAXSECTORS },
{ 0, &g_jailDoorSecHitag[0], sizeof(g_jailDoorSecHitag[0]), ARRAY_SIZE(g_jailDoorSecHitag) },
{ 0, &g_jailDoorSect[0], sizeof(g_jailDoorSect[0]), ARRAY_SIZE(g_jailDoorSect) },
{ 0, &g_jailDoorOpen[0], sizeof(g_jailDoorOpen[0]), ARRAY_SIZE(g_jailDoorOpen) },
{ 0, &g_jailDoorDir[0], sizeof(g_jailDoorDir[0]), ARRAY_SIZE(g_jailDoorDir) },
{ 0, &g_jailDoorDrag[0], sizeof(g_jailDoorDrag[0]), ARRAY_SIZE(g_jailDoorDrag) },
{ 0, &g_jailDoorDist[0], sizeof(g_jailDoorDist[0]), ARRAY_SIZE(g_jailDoorDist) },
{ 0, &g_jailDoorSpeed[0], sizeof(g_jailDoorSpeed[0]), ARRAY_SIZE(g_jailDoorSpeed) },
{ 0, &g_jailDoorSound[0], sizeof(g_jailDoorSound[0]), ARRAY_SIZE(g_jailDoorSound) },
{ 0, &g_jailDoorCnt, sizeof(g_jailDoorCnt), 1 },
{ 0, &g_shadedSector[0], sizeof(g_shadedSector[0]), MAXSECTORS },
{ 0, &g_mineCartSect[0], sizeof(g_mineCartSect[0]), ARRAY_SIZE(g_mineCartSect) },
{ 0, &g_mineCartChildSect[0], sizeof(g_mineCartChildSect[0]), ARRAY_SIZE(g_mineCartChildSect) },
{ 0, &g_mineCartOpen[0], sizeof(g_mineCartOpen[0]), ARRAY_SIZE(g_mineCartOpen) },
{ 0, &g_mineCartDir[0], sizeof(g_mineCartDir[0]), ARRAY_SIZE(g_mineCartDir) },
{ 0, &g_mineCartDrag[0], sizeof(g_mineCartDrag[0]), ARRAY_SIZE(g_mineCartDrag) },
{ 0, &g_mineCartDist[0], sizeof(g_mineCartDist[0]), ARRAY_SIZE(g_mineCartDist) },
{ 0, &g_mineCartSpeed[0], sizeof(g_mineCartSpeed[0]), ARRAY_SIZE(g_mineCartSpeed) },
{ 0, &g_mineCartSound[0], sizeof(g_mineCartSound[0]), ARRAY_SIZE(g_mineCartSound) },
{ 0, &g_mineCartCnt, sizeof(g_mineCartCnt), 1 },
{ 0, &g_ambientCnt, sizeof(g_ambientCnt), 1 },
{ 0, &g_ambientHitag[0], sizeof(g_ambientHitag[0]), ARRAY_SIZE(g_ambientHitag) },
{ 0, &g_ambientLotag[0], sizeof(g_ambientLotag[0]), ARRAY_SIZE(g_ambientLotag) },
{ 0, &g_ufoSpawn, sizeof(g_ufoSpawn), 1 },
{ 0, &g_ufoCnt, sizeof(g_ufoCnt), 1 },
{ 0, &g_hulkSpawn, sizeof(g_hulkSpawn), 1 },
{ 0, &g_lastLevel, sizeof(g_lastLevel), 1 },
{ 0, &g_torchSector[0], sizeof(g_torchSector[0]), ARRAY_SIZE(g_torchSector) },
{ 0, &g_torchSectorShade[0], sizeof(g_torchSectorShade[0]), ARRAY_SIZE(g_torchSectorShade) },
{ 0, &g_torchType[0], sizeof(g_torchType[0]), ARRAY_SIZE(g_torchType) },
{ 0, &g_torchCnt, sizeof(g_torchCnt), 1 },
{ 0, &g_lightninSector[0], sizeof(g_lightninSector[0]), ARRAY_SIZE(g_lightninSector) },
{ 0, &g_lightninSectorShade[0], sizeof(g_lightninSectorShade[0]), ARRAY_SIZE(g_lightninSectorShade) },
{ 0, &g_lightninCnt, sizeof(g_lightninCnt), 1 },
{ 0, &g_geoSector[0], sizeof(g_geoSector[0]), ARRAY_SIZE(g_geoSector) },
{ 0, &g_geoSectorWarp[0], sizeof(g_geoSectorWarp[0]), ARRAY_SIZE(g_geoSectorWarp) },
{ 0, &g_geoSectorX[0], sizeof(g_geoSectorX[0]), ARRAY_SIZE(g_geoSectorX) },
{ 0, &g_geoSectorY[0], sizeof(g_geoSectorY[0]), ARRAY_SIZE(g_geoSectorY) },
{ 0, &g_geoSectorWarp2[0], sizeof(g_geoSectorWarp2[0]), ARRAY_SIZE(g_geoSectorWarp2) },
{ 0, &g_geoSectorX2[0], sizeof(g_geoSectorX2[0]), ARRAY_SIZE(g_geoSectorX2) },
{ 0, &g_geoSectorY2[0], sizeof(g_geoSectorY2[0]), ARRAY_SIZE(g_geoSectorY2) },
{ 0, &g_geoSectorCnt, sizeof(g_geoSectorCnt), 1 },
{ 0, &g_windTime, sizeof(g_windTime), 1 },
{ 0, &g_windDir, sizeof(g_windDir), 1 },
{ 0, &g_fakeBubbaCnt, sizeof(g_fakeBubbaCnt), 1 },
{ 0, &g_mamaSpawnCnt, sizeof(g_mamaSpawnCnt), 1 },
{ 0, &g_banjoSong, sizeof(g_banjoSong), 1 },
{ 0, &g_bellTime, sizeof(g_bellTime), 1 },
{ 0, &g_bellSprite, sizeof(g_bellSprite), 1 },
{ 0, &g_changeEnemySize, sizeof(g_changeEnemySize), 1 },
{ 0, &g_slotWin, sizeof(g_slotWin), 1 },
{ 0, &g_ufoSpawnMinion, sizeof(g_ufoSpawnMinion), 1 },
{ 0, &g_pistonSound, sizeof(g_pistonSound), 1 },
{ 0, &g_chickenWeaponTimer, sizeof(g_chickenWeaponTimer), 1 },
{ 0, &g_RAendLevel, sizeof(g_RAendLevel), 1 },
{ 0, &g_RAendEpisode, sizeof(g_RAendEpisode), 1 },
{ 0, &g_fogType, sizeof(g_fogType), 1 },
{ DS_LOADFN, (void *)sv_rrrafog, 0, 1 },
{ DS_SAVEFN|DS_LOADFN|DS_NOCHK, (void *)sv_prequote, 0, 1 },
{ DS_SAVEFN, (void *)&sv_quotesave, 0, 1 },
{ DS_NOCHK, &savegame_quotedef, sizeof(savegame_quotedef), 1 }, // quotes can change during runtime, but new quote numbers cannot be allocated
{ DS_DYNAMIC, &savegame_quotes, MAXQUOTELEN, MAXQUOTES },
{ DS_LOADFN, (void *)&sv_quoteload, 0, 1 },
{ DS_SAVEFN, (void *)&sv_restsave, 0, 1 },
{ 0, savegame_restdata, 1, sizeof(savegame_restdata) }, // sz/cnt swapped for kdfread
{ DS_LOADFN, (void *)&sv_restload, 0, 1 },
{ DS_STRING, (void *)svgm_end_string, 0, 1 },
{ DS_END, 0, 0, 0 }
};
static uint8_t *dosaveplayer2(FILE *fil, uint8_t *mem);
static int32_t doloadplayer2(int32_t fil, uint8_t **memptr);
static void postloadplayer(int32_t savegamep);
// SVGM snapshot system
static uint32_t svsnapsiz;
static uint8_t *svsnapshot;
static uint8_t *svinitsnap;
static uint32_t svdiffsiz;
static uint8_t *svdiff;
#include "gamedef.h"
void sv_freemem()
{
DO_FREE_AND_NULL(svsnapshot);
DO_FREE_AND_NULL(svinitsnap);
DO_FREE_AND_NULL(svdiff);
}
static void SV_AllocSnap(int32_t allocinit)
{
sv_freemem();
svsnapshot = (uint8_t *)Xmalloc(svsnapsiz);
if (allocinit)
svinitsnap = (uint8_t *)Xmalloc(svsnapsiz);
svdiffsiz = svsnapsiz; // theoretically it's less than could be needed in the worst case, but practically it's overkill
svdiff = (uint8_t *)Xmalloc(svdiffsiz);
}
// make snapshot only if spot < 0 (demo)
int32_t sv_saveandmakesnapshot(FILE *fil, char const *name, int8_t spot, int8_t recdiffsp, int8_t diffcompress, int8_t synccompress, bool isAutoSave)
{
savehead_t h;
// set a few savegame system globals
savegame_comprthres = SV_DEFAULTCOMPRTHRES;
savegame_diffcompress = diffcompress;
// calculate total snapshot size
svsnapsiz = calcsz(svgm_udnetw) + calcsz(svgm_secwsp) + calcsz(svgm_script) + calcsz(svgm_anmisc);
// create header
Bmemcpy(h.headerstr, "E32SAVEGAME", 11);
h.majorver = SV_MAJOR_VER;
h.minorver = SV_MINOR_VER;
h.ptrsize = sizeof(intptr_t);
if (isAutoSave)
h.ptrsize |= 1u << 7u;
h.bytever = BYTEVERSION;
h.userbytever = ud.userbytever;
h.scriptcrc = g_scriptcrc;
h.comprthres = savegame_comprthres;
h.recdiffsp = recdiffsp;
h.diffcompress = savegame_diffcompress;
h.synccompress = synccompress;
h.reccnt = 0;
h.snapsiz = svsnapsiz;
// the following is kinda redundant, but we save it here to be able to quickly fetch
// it in a savegame header read
h.numplayers = ud.multimode;
h.volnum = ud.volume_number;
h.levnum = ud.level_number;
h.skill = ud.player_skill;
const uint32_t BSZ = sizeof(h.boardfn);
EDUKE32_STATIC_ASSERT(BSZ == sizeof(currentboardfilename));
Bstrncpy(h.boardfn, currentboardfilename, BSZ);
if (spot >= 0)
{
// savegame
Bstrncpyz(h.savename, name, sizeof(h.savename));
#ifdef __ANDROID__
Bstrncpyz(h.volname, g_volumeNames[ud.volume_number], sizeof(h.volname));
Bstrncpyz(h.skillname, g_skillNames[ud.player_skill], sizeof(h.skillname));
#endif
}
else
{
// demo
const time_t t = time(NULL);
struct tm * st;
Bstrncpyz(h.savename, "EDuke32 demo", sizeof(h.savename));
if (t>=0 && (st = localtime(&t)))
Bsnprintf(h.savename, sizeof(h.savename), "Demo %04d%02d%02d %s",
st->tm_year+1900, st->tm_mon+1, st->tm_mday, s_buildRev);
}
// write header
fwrite(&h, sizeof(savehead_t), 1, fil);
// for savegames, the file offset after the screenshot goes here;
// for demos, we keep it 0 to signify that we didn't save one
fwrite("\0\0\0\0", 4, 1, fil);
if (spot >= 0 && waloff[TILE_SAVESHOT])
{
int32_t ofs;
// write the screenshot compressed
dfwrite_LZ4((char *)waloff[TILE_SAVESHOT], 320, 200, fil);
// write the current file offset right after the header
ofs = ftell(fil);
fseek(fil, sizeof(savehead_t), SEEK_SET);
fwrite(&ofs, 4, 1, fil);
fseek(fil, ofs, SEEK_SET);
}
#ifdef DEBUGGINGAIDS
OSD_Printf("sv_saveandmakesnapshot: snapshot size: %d bytes.\n", svsnapsiz);
#endif
if (spot >= 0)
{
// savegame
dosaveplayer2(fil, NULL);
}
else
{
// demo
SV_AllocSnap(0);
uint8_t * const p = dosaveplayer2(fil, svsnapshot);
if (p != svsnapshot+svsnapsiz)
{
OSD_Printf("sv_saveandmakesnapshot: ptr-(snapshot end)=%d!\n", (int32_t)(p - (svsnapshot + svsnapsiz)));
return 1;
}
}
return 0;
}
// if file is not an EDuke32 savegame/demo, h->headerstr will be all zeros
int32_t sv_loadheader(int32_t fil, int32_t spot, savehead_t *h)
{
int32_t havedemo = (spot < 0);
if (kread(fil, h, sizeof(savehead_t)) != sizeof(savehead_t))
{
OSD_Printf("%s %d header corrupt.\n", havedemo ? "Demo":"Savegame", havedemo ? -spot : spot);
Bmemset(h->headerstr, 0, sizeof(h->headerstr));
return -1;
}
if (Bmemcmp(h->headerstr, "E32SAVEGAME", 11)
#if 1
&& Bmemcmp(h->headerstr, "EDuke32SAVE", 11)
#endif
)
{
char headerCstr[sizeof(h->headerstr) + 1];
Bmemcpy(headerCstr, h->headerstr, sizeof(h->headerstr));
headerCstr[sizeof(h->headerstr)] = '\0';
OSD_Printf("%s %d header reads \"%s\", expected \"E32SAVEGAME\".\n",
havedemo ? "Demo":"Savegame", havedemo ? -spot : spot, headerCstr);
Bmemset(h->headerstr, 0, sizeof(h->headerstr));
return -2;
}
if (h->majorver != SV_MAJOR_VER || h->minorver != SV_MINOR_VER || h->bytever != BYTEVERSION || h->userbytever != ud.userbytever || (apScript != NULL && h->scriptcrc != g_scriptcrc))
{
#ifndef DEBUGGINGAIDS
if (havedemo)
#endif
OSD_Printf("Incompatible file version. Expected %d.%d.%d.%d.%0x, found %d.%d.%d.%d.%0x\n", SV_MAJOR_VER, SV_MINOR_VER, BYTEVERSION,
ud.userbytever, g_scriptcrc, h->majorver, h->minorver, h->bytever, h->userbytever, h->scriptcrc);
if (h->majorver == SV_MAJOR_VER && h->minorver == SV_MINOR_VER)
{
return 1;
}
else
{
Bmemset(h->headerstr, 0, sizeof(h->headerstr));
return -3;
}
}
if (h->getPtrSize() != sizeof(intptr_t))
{
#ifndef DEBUGGINGAIDS
if (havedemo)
#endif
OSD_Printf("File incompatible. Expected pointer size %d, found %d\n",
(int32_t)sizeof(intptr_t), h->getPtrSize());
Bmemset(h->headerstr, 0, sizeof(h->headerstr));
return -4;
}
return 0;
}
int32_t sv_loadsnapshot(int32_t fil, int32_t spot, savehead_t *h)
{
uint8_t *p;
int32_t i;
if (spot < 0)
{
// demo
i = sv_loadheader(fil, spot, h);
if (i)
return i;
// Used to be in doloadplayer2(), now redundant for savegames since
// we checked before. Multiplayer demos need still to be taken care of.
if (h->numplayers != numplayers)
return 9;
}
// else (if savegame), we just read the header and are now at offset sizeof(savehead_t)
#ifdef DEBUGGINGAIDS
OSD_Printf("sv_loadsnapshot: snapshot size: %d bytes.\n", h->snapsiz);
#endif
if (kread(fil, &i, 4) != 4)
{
OSD_Printf("sv_snapshot: couldn't read 4 bytes after header.\n");
return 7;
}
if (i > 0)
{
if (klseek(fil, i, SEEK_SET) != i)
{
OSD_Printf("sv_snapshot: failed skipping over the screenshot.\n");
return 8;
}
}
savegame_comprthres = h->comprthres;
if (spot >= 0)
{
// savegame
i = doloadplayer2(fil, NULL);
if (i)
{
OSD_Printf("sv_loadsnapshot: doloadplayer2() returned %d.\n", i);
return 5;
}
}
else
{
// demo
savegame_diffcompress = h->diffcompress;
svsnapsiz = h->snapsiz;
SV_AllocSnap(1);
p = svsnapshot;
i = doloadplayer2(fil, &p);
if (i)
{
OSD_Printf("sv_loadsnapshot: doloadplayer2() returned %d.\n", i);
sv_freemem();
return 5;
}
if (p != svsnapshot+svsnapsiz)
{
OSD_Printf("sv_loadsnapshot: internal error: p-(snapshot end)=%d!\n",
(int32_t)(p-(svsnapshot+svsnapsiz)));
sv_freemem();
return 6;
}
Bmemcpy(svinitsnap, svsnapshot, svsnapsiz);
}
postloadplayer((spot >= 0));
return 0;
}
uint32_t sv_writediff(FILE *fil)
{
uint8_t *p = svsnapshot;
uint8_t *d = svdiff;
cmpspecdata(svgm_udnetw, &p, &d);
cmpspecdata(svgm_secwsp, &p, &d);
cmpspecdata(svgm_script, &p, &d);
cmpspecdata(svgm_anmisc, &p, &d);
if (p != svsnapshot+svsnapsiz)
OSD_Printf("sv_writediff: dump+siz=%p, p=%p!\n", svsnapshot+svsnapsiz, p);
uint32_t const diffsiz = d - svdiff;
fwrite("dIfF",4,1,fil);
fwrite(&diffsiz, sizeof(diffsiz), 1, fil);
if (savegame_diffcompress)
dfwrite_LZ4(svdiff, 1, diffsiz, fil); // cnt and sz swapped
else
fwrite(svdiff, 1, diffsiz, fil);
return diffsiz;
}
int32_t sv_readdiff(int32_t fil)
{
int32_t diffsiz;
if (kread(fil, &diffsiz, sizeof(uint32_t)) != sizeof(uint32_t))
return -1;
if (savegame_diffcompress)
{
if (kdfread_LZ4(svdiff, 1, diffsiz, fil) != diffsiz) // cnt and sz swapped
return -2;
}
else
{
if (kread(fil, svdiff, diffsiz) != diffsiz)
return -2;
}
uint8_t *p = svsnapshot;
uint8_t *d = svdiff;
if (applydiff(svgm_udnetw, &p, &d)) return -3;
if (applydiff(svgm_secwsp, &p, &d)) return -4;
if (applydiff(svgm_script, &p, &d)) return -5;
if (applydiff(svgm_anmisc, &p, &d)) return -6;
int i = 0;
if (p!=svsnapshot+svsnapsiz)
i|=1;
if (d!=svdiff+diffsiz)
i|=2;
if (i)
OSD_Printf("sv_readdiff: p=%p, svsnapshot+svsnapsiz=%p; d=%p, svdiff+diffsiz=%p",
p, svsnapshot+svsnapsiz, d, svdiff+diffsiz);
return i;
}
// SVGM data description
static void sv_postudload()
{
// Bmemcpy(&boardfilename[0], &currentboardfilename[0], BMAX_PATH); // DON'T do this in demos!
#if 1
ud.m_level_number = ud.level_number;
ud.m_volume_number = ud.volume_number;
ud.m_player_skill = ud.player_skill;
ud.m_respawn_monsters = ud.respawn_monsters;
ud.m_respawn_items = ud.respawn_items;
ud.m_respawn_inventory = ud.respawn_inventory;
ud.m_monsters_off = ud.monsters_off;
ud.m_coop = ud.coop;
ud.m_marker = ud.marker;
ud.m_ffire = ud.ffire;
ud.m_noexits = ud.noexits;
#endif
}
//static int32_t lockclock_dummy;
#ifdef USE_OPENGL
static void sv_prespriteextsave()
{
for (int i=0; i<MAXSPRITES; i++)
if (spriteext[i].mdanimtims)
{
spriteext[i].mdanimtims -= mdtims;
if (spriteext[i].mdanimtims==0)
spriteext[i].mdanimtims++;
}
}
static void sv_postspriteext()
{
for (int i=0; i<MAXSPRITES; i++)
if (spriteext[i].mdanimtims)
spriteext[i].mdanimtims += mdtims;
}
#endif
#ifdef YAX_ENABLE
void sv_postyaxload(void)
{
yax_update(numyaxbunches>0 ? 2 : 1);
}
#endif
static void sv_postactordata()
{
#ifdef POLYMER
for (auto & i : actor)
{
i.lightptr = NULL;
i.lightId = -1;
}
#endif
}
static void sv_preanimateptrsave()
{
G_Util_PtrToIdx(g_animatePtr, g_animateCnt, sector, P2I_FWD);
}
static void sv_postanimateptr()
{
G_Util_PtrToIdx(g_animatePtr, g_animateCnt, sector, P2I_BACK);
}
static void sv_prequote()
{
if (!savegame_quotes)
{
void *ptr = Xcalloc(MAXQUOTES, MAXQUOTELEN);
savegame_quotes = (char(*)[MAXQUOTELEN])ptr;
}
}
static void sv_quotesave()
{
Bmemset(savegame_quotedef, 0, sizeof(savegame_quotedef));
for (int i = 0; i < MAXQUOTES; i++)
if (apStrings[i])
{
savegame_quotedef[i>>3] |= 1<<(i&7);
Bmemcpy(savegame_quotes[i], apStrings[i], MAXQUOTELEN);
}
}
static void sv_quoteload()
{
for (int i = 0; i < MAXQUOTES; i++)
if (savegame_quotedef[i>>3] & (1<<(i&7)))
{
C_AllocQuote(i);
Bmemcpy(apStrings[i], savegame_quotes[i], MAXQUOTELEN);
}
}
static void sv_restsave()
{
uint8_t * mem = savegame_restdata;
DukePlayer_t dummy_ps;
Bmemset(&dummy_ps, 0, sizeof(DukePlayer_t));
#define CPDAT(ptr,sz) do { Bmemcpy(mem, ptr, sz), mem+=sz ; } while (0)
for (int i = 0; i < MAXPLAYERS; i++)
{
CPDAT(g_player[i].user_name, 32);
CPDAT(&g_player[i].pcolor, sizeof(g_player[0].pcolor));
CPDAT(&g_player[i].pteam, sizeof(g_player[0].pteam));
CPDAT(&g_player[i].frags[0], sizeof(g_player[0].frags));
CPDAT(g_player[i].ps ? g_player[i].ps : &dummy_ps, sizeof(DukePlayer_t));
}
Bassert((savegame_restdata + SVARDATALEN) - mem == 0);
#undef CPDAT
}
static void sv_restload()
{
uint8_t * mem = savegame_restdata;
DukePlayer_t dummy_ps;
#define CPDAT(ptr,sz) Bmemcpy(ptr, mem, sz), mem+=sz
for (int i = 0; i < MAXPLAYERS; i++)
{
CPDAT(g_player[i].user_name, 32);
CPDAT(&g_player[i].pcolor, sizeof(g_player[0].pcolor));
CPDAT(&g_player[i].pteam, sizeof(g_player[0].pteam));
CPDAT(&g_player[i].frags[0], sizeof(g_player[0].frags));
CPDAT(g_player[i].ps ? g_player[i].ps : &dummy_ps, sizeof(DukePlayer_t));
}
#undef CPDAT
if (g_player[myconnectindex].ps)
g_player[myconnectindex].ps->auto_aim = ud.config.AutoAim;
}
#ifdef DEBUGGINGAIDS
# define PRINTSIZE(name) do { if (mem) OSD_Printf(name ": %d\n", (int32_t)(mem-tmem)); \
OSD_Printf(name ": %d ms\n", timerGetTicks()-t); t=timerGetTicks(); tmem=mem; } while (0)
#else
# define PRINTSIZE(name) do { } while (0)
#endif
static uint8_t *dosaveplayer2(FILE *fil, uint8_t *mem)
{
#ifdef DEBUGGINGAIDS
uint8_t *tmem = mem;
int32_t t=timerGetTicks();
#endif
mem=writespecdata(svgm_udnetw, fil, mem); // user settings, players & net
PRINTSIZE("ud");
mem=writespecdata(svgm_secwsp, fil, mem); // sector, wall, sprite
PRINTSIZE("sws");
mem=writespecdata(svgm_script, fil, mem); // script
PRINTSIZE("script");
mem=writespecdata(svgm_anmisc, fil, mem); // animates, quotes & misc.
PRINTSIZE("animisc");
return mem;
}
static int32_t doloadplayer2(int32_t fil, uint8_t **memptr)
{
uint8_t *mem = memptr ? *memptr : NULL;
#ifdef DEBUGGINGAIDS
uint8_t *tmem=mem;
int32_t t=timerGetTicks();
#endif
if (readspecdata(svgm_udnetw, fil, &mem)) return -2;
PRINTSIZE("ud");
if (readspecdata(svgm_secwsp, fil, &mem)) return -4;
PRINTSIZE("sws");
if (readspecdata(svgm_script, fil, &mem)) return -5;
PRINTSIZE("script");
if (readspecdata(svgm_anmisc, fil, &mem)) return -6;
PRINTSIZE("animisc");
if (memptr)
*memptr = mem;
return 0;
}
int32_t sv_updatestate(int32_t frominit)
{
uint8_t *p = svsnapshot, *pbeg=p;
if (frominit)
Bmemcpy(svsnapshot, svinitsnap, svsnapsiz);
if (readspecdata(svgm_udnetw, -1, &p)) return -2;
if (readspecdata(svgm_secwsp, -1, &p)) return -4;
if (readspecdata(svgm_script, -1, &p)) return -5;
if (readspecdata(svgm_anmisc, -1, &p)) return -6;
if (p != pbeg+svsnapsiz)
{
OSD_Printf("sv_updatestate: ptr-(snapshot end)=%d\n", (int32_t)(p-(pbeg+svsnapsiz)));
return -9;
}
if (frominit)
postloadplayer(0);
#ifdef POLYMER
if (videoGetRenderMode() == REND_POLYMER)
polymer_resetlights(); // must do it after polymer_loadboard() !!!
#endif
return 0;
}
static void sv_rrrafog()
{
G_SetFog(g_fogType ? 2 : 0);
}
static void postloadplayer(int32_t savegamep)
{
int32_t i;
//1
if (g_player[myconnectindex].ps->over_shoulder_on != 0)
{
CAMERADIST = 0;
CAMERACLOCK = 0;
g_player[myconnectindex].ps->over_shoulder_on = 1;
}
//2
screenpeek = myconnectindex;
//2.5
if (savegamep)
{
int32_t musicIdx = (ud.music_episode*MAXLEVELS) + ud.music_level;
Bmemset(gotpic, 0, sizeof(gotpic));
S_ClearSoundLocks();
G_CacheMapData();
if (boardfilename[0] != 0 && ud.level_number == 7 && ud.volume_number == 0 && ud.music_level == 7 && ud.music_episode == 0)
{
char levname[BMAX_PATH];
G_SetupFilenameBasedMusic(levname, boardfilename, ud.level_number);
}
if (g_mapInfo[musicIdx].musicfn != NULL && (musicIdx != g_musicIndex || different_user_map))
{
ud.music_episode = g_musicIndex / MAXLEVELS;
ud.music_level = g_musicIndex % MAXLEVELS;
S_PlayLevelMusicOrNothing(musicIdx);
}
if (ud.config.MusicToggle)
S_PauseMusic(false);
g_player[myconnectindex].ps->gm = MODE_GAME;
ud.recstat = 0;
if (g_player[myconnectindex].ps->jetpack_on)
A_PlaySound(DUKE_JETPACK_IDLE, g_player[myconnectindex].ps->i);
}
//3
P_UpdateScreenPal(g_player[myconnectindex].ps);
g_restorePalette = -1;
//3.5
if (savegamep)
{
for (SPRITES_OF(STAT_FX, i))
if (sprite[i].picnum == MUSICANDSFX)
{
T2(i) = ud.config.SoundToggle;
T1(i) = 0;
}
G_UpdateScreenArea();
FX_SetReverb(0);
}
//4
if (savegamep)
{
if (ud.lockout)
{
for (i=0; i<g_animWallCnt; i++)
switch (DYNAMICTILEMAP(wall[animwall[i].wallnum].picnum))
{
case FEMPIC1__STATIC:
wall[animwall[i].wallnum].picnum = BLANKSCREEN;
break;
case FEMPIC2__STATIC:
case FEMPIC3__STATIC:
wall[animwall[i].wallnum].picnum = SCREENBREAK6;
break;
}
}
#if 0
else
{
for (i=0; i<g_numAnimWalls; i++)
if (wall[animwall[i].wallnum].extra >= 0)
wall[animwall[i].wallnum].picnum = wall[animwall[i].wallnum].extra;
}
#endif
}
//5
G_ResetInterpolations();
//6
g_showShareware = 0;
if (savegamep)
everyothertime = 0;
//7
for (i=0; i<MAXPLAYERS; i++)
g_player[i].playerquitflag = 1;
// ----------
//7.5
if (savegamep)
{
ready2send = 1;
G_ClearFIFO();
Net_WaitForServer();
}
//8
// if (savegamep) ?
G_ResetTimers(0);
#ifdef POLYMER
//9
if (videoGetRenderMode() == REND_POLYMER)
polymer_loadboard();
// this light pointer nulling needs to be outside the videoGetRenderMode check
// because we might be loading the savegame using another renderer but
// change to Polymer later
for (i=0; i<MAXSPRITES; i++)
{
actor[i].lightptr = NULL;
actor[i].lightId = -1;
}
#endif
for (i=0; i<MAXPLAYERS; i++)
g_player[i].ps->drug_timer = 0;
G_InitRRRASkies();
}
////////// END GENERIC SAVING/LOADING SYSTEM //////////
Reference in a new issue Copy permalink