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raze-gles/source/duke3d/src/savegame.cpp
Christoph Oelckers dc5b8d27f8 - infrastructure for savegame pics. 
Savepic generation implemented for Duke 3D, but results in a black image.
2020-01-12 23:16:21 +01:00

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//-------------------------------------------------------------------------
/*
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 "ns.h" // Must come before everything else!
#include "duke3d.h"
#include "premap.h"
#include "prlights.h"
#include "savegame.h"
#include "sjson.h"
#include "i_specialpaths.h"
#include "gamecontrol.h"
#include "version.h"
#include "savegamehelp.h"
#include "menu/menu.h"
#include "mapinfo.h"
#include "z_music.h"
BEGIN_DUKE_NS
// 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]);
}
int32_t g_fakeSaveID = -1;
bool g_saveRequested;
static FileReader *OpenSavegame(const char *fn)
{
if (!OpenSaveGameForRead(fn))
{
return nullptr;
}
auto file = ReadSavegameChunk("snapshot.dat");
if (!file.isOpen())
{
FinishSavegameRead();
return nullptr;
}
return new FileReader(std::move(file));
}
int32_t G_LoadSaveHeaderNew(char const *fn, savehead_t *saveh)
{
FileReader ssfil;
auto fil = OpenSavegame(fn);
if (!fil)
return -1;
int32_t i = sv_loadheader(*fil, 0, saveh);
if (i < 0)
goto corrupt;
delete fil;
FinishSavegameRead();
return 0;
corrupt:
delete fil;
FinishSavegameRead();
return 1;
}
static void sv_postudload();
// XXX: keyboard input 'blocked' after load fail? (at least ESC?)
int32_t G_LoadPlayer(FSaveGameNode *sv)
{
char workbuffer[BMAX_PATH];
if (sv->bIsExt)
{
int volume = -1;
int level = -1;
int skill = -1;
auto fil = OpenSavegame(sv->Filename);
if (!fil) return -1;
{
savehead_t h;
int status = sv_loadheader(*fil, 0, &h);
if (status >= 0)
{
volume = h.volnum;
level = h.levnum;
skill = h.skill;
}
}
auto extfil = ReadSavegameChunk("ext.json");
if (!extfil.isOpen())
{
delete fil;
FinishSavegameRead();
return -1;
}
auto text = extfil.ReadPadded(1);
extfil.Close();
if (text.Size() == 0)
{
delete fil;
FinishSavegameRead();
return -1;
}
sjson_context * ctx = sjson_create_context(0, 0, NULL);
sjson_node * root = sjson_decode(ctx, (const char *)text.Data());
if (volume == -1)
volume = sjson_get_int(root, "volume", volume);
if (level == -1)
level = sjson_get_int(root, "level", level);
if (skill == -1)
skill = sjson_get_int(root, "skill", skill);
if (volume == -1 || level == -1 || skill == -1)
{
sjson_destroy_context(ctx);
delete fil;
FinishSavegameRead();
return -1;
}
sjson_node * players = sjson_find_member(root, "players");
int numplayers = sjson_child_count(players);
if (numplayers != ud.multimode)
{
P_DoQuote(QUOTE_SAVE_BAD_PLAYERS, g_player[myconnectindex].ps);
sjson_destroy_context(ctx);
delete fil;
FinishSavegameRead();
return 1;
}
ud.returnvar[0] = level;
volume = VM_OnEventWithReturn(EVENT_VALIDATESTART, g_player[myconnectindex].ps->i, myconnectindex, volume);
level = ud.returnvar[0];
{
// CODEDUP from non-isExt branch, with simplifying assumptions
VM_OnEvent(EVENT_PRELOADGAME, g_player[screenpeek].ps->i, screenpeek);
ud.multimode = numplayers;
Net_WaitForServer();
FX_StopAllSounds();
S_ClearSoundLocks();
ud.m_volume_number = volume;
m_level_number = level;
ud.m_player_skill = skill;
boardfilename[0] = '\0';
int const mapIdx = volume*MAXLEVELS + level;
if (boardfilename[0])
strcpy(workbuffer, boardfilename);
else if (mapList[mapIdx].fileName.IsNotEmpty())
strcpy(workbuffer, mapList[mapIdx].fileName);
if (workbuffer[0])
{
// only setup art if map differs from previous
artSetupMapArt(workbuffer);
append_ext_UNSAFE(workbuffer, ".mhk");
engineLoadMHK(workbuffer);
}
// G_NewGame_EnterLevel();
}
{
// CODEDUP from G_NewGame
auto & p0 = *g_player[0].ps;
ready2send = 0;
ud.from_bonus = 0;
ud.last_level = -1;
ud.level_number = level;
ud.player_skill = skill;
ud.secretlevel = 0;
ud.volume_number = volume;
#ifdef EDUKE32_TOUCH_DEVICES
p0.zoom = 360;
#else
p0.zoom = 768;
#endif
p0.gm = 0;
M_ClearMenus();
#if !defined LUNATIC
Gv_ResetVars();
Gv_InitWeaponPointers();
Gv_RefreshPointers();
#endif
Gv_ResetSystemDefaults();
for (int i=0; i < (MAXVOLUMES*MAXLEVELS); i++)
G_FreeMapState(i);
if (m_coop != 1)
p0.last_weapon = -1;
display_mirror = 0;
}
int p = 0;
for (sjson_node * player = sjson_first_child(players); player != nullptr; player = player->next)
{
playerdata_t * playerData = &g_player[p];
DukePlayer_t * ps = playerData->ps;
auto pSprite = &sprite[ps->i];
pSprite->extra = sjson_get_int(player, "extra", -1);
ps->max_player_health = sjson_get_int(player, "max_player_health", -1);
sjson_node * gotweapon = sjson_find_member(player, "gotweapon");
int w_end = min<int>(MAX_WEAPONS, sjson_child_count(gotweapon));
ps->gotweapon = 0;
for (int w = 0; w < w_end; ++w)
{
sjson_node * ele = sjson_find_element(gotweapon, w);
if (ele->tag == SJSON_BOOL && ele->bool_)
ps->gotweapon |= 1<<w;
}
/* bool flag_ammo_amount = */ sjson_get_int16s(ps->ammo_amount, MAX_WEAPONS, player, "ammo_amount");
/* bool flag_max_ammo_amount = */ sjson_get_int16s(ps->max_ammo_amount, MAX_WEAPONS, player, "max_ammo_amount");
/* bool flag_inv_amount = */ sjson_get_int16s(ps->inv_amount, GET_MAX, player, "inv_amount");
ps->max_shield_amount = sjson_get_int(player, "max_shield_amount", -1);
ps->curr_weapon = sjson_get_int(player, "curr_weapon", -1);
ps->subweapon = sjson_get_int(player, "subweapon", -1);
ps->inven_icon = sjson_get_int(player, "inven_icon", -1);
sjson_node * vars = sjson_find_member(player, "vars");
for (int j=0; j<g_gameVarCount; j++)
{
gamevar_t & var = aGameVars[j];
if (!(var.flags & GAMEVAR_SERIALIZE))
continue;
if ((var.flags & (GAMEVAR_PERPLAYER|GAMEVAR_PERACTOR)) != GAMEVAR_PERPLAYER)
continue;
Gv_SetVar(j, sjson_get_int(vars, var.szLabel, var.defaultValue), ps->i, p);
}
++p;
}
{
sjson_node * vars = sjson_find_member(root, "vars");
for (int j=0; j<g_gameVarCount; j++)
{
gamevar_t & var = aGameVars[j];
if (!(var.flags & GAMEVAR_SERIALIZE))
continue;
if (var.flags & (GAMEVAR_PERPLAYER|GAMEVAR_PERACTOR))
continue;
Gv_SetVar(j, sjson_get_int(vars, var.szLabel, var.defaultValue));
}
}
sjson_destroy_context(ctx);
if (G_EnterLevel(MODE_GAME|MODE_EOL))
G_BackToMenu();
// postloadplayer(1);
// sv_postudload();
VM_OnEvent(EVENT_LOADGAME, g_player[screenpeek].ps->i, screenpeek);
delete fil;
FinishSavegameRead();
return 0;
}
auto fil = OpenSavegame(sv->Filename);
if (!fil)
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);
ototalclock = totalclock;
ready2send = 1;
delete fil;
FinishSavegameRead();
return 1;
}
VM_OnEvent(EVENT_PRELOADGAME, g_player[screenpeek].ps->i, screenpeek);
// 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;
m_level_number = h.levnum;
ud.m_player_skill = h.skill;
// NOTE: Bmemcpy needed for SAVEGAME_MUSIC.
strcpy(boardfilename, currentLevel->fileName);
int const mapIdx = h.volnum*MAXLEVELS + h.levnum;
if (boardfilename[0])
strcpy(workbuffer, boardfilename);
else if (mapList[mapIdx].fileName.IsNotEmpty())
strcpy(workbuffer, mapList[mapIdx].fileName);
if (workbuffer[0])
{
// only setup art if map differs from previous
artSetupMapArt(workbuffer);
append_ext_UNSAFE(workbuffer, ".mhk");
engineLoadMHK(workbuffer);
}
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->Filename.GetChars(), status);
G_GameExit(tempbuf);
}
sv_postudload(); // ud.m_XXX = ud.XXX
VM_OnEvent(EVENT_LOADGAME, g_player[screenpeek].ps->i, screenpeek);
delete fil;
FinishSavegameRead();
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 = (int32_t) totalclock;
g_timers.totalclocklock = (int32_t) totalclocklock;
g_timers.ototalclock = (int32_t) ototalclock;
g_timers.lockclock = (int32_t) lockclock;
}
static void G_RestoreTimers(void)
{
totalclock = g_timers.totalclock;
totalclocklock = g_timers.totalclocklock;
ototalclock = g_timers.ototalclock;
lockclock = g_timers.lockclock;
}
//////////
bool G_SavePlayer(FSaveGameNode *sv)
{
G_SaveTimers();
Net_WaitForServer();
ready2send = 0;
FString fn;
errno = 0;
FileWriter *fil;
fil = WriteSavegameChunk("snapshot.dat");
// The above call cannot fail.
{
auto& fw = *fil;
// temporary hack
ud.user_map = G_HaveUserMap();
VM_OnEvent(EVENT_SAVEGAME, g_player[myconnectindex].ps->i, myconnectindex);
portableBackupSave(sv->Filename, sv->SaveTitle, ud.last_stateless_volume, ud.last_stateless_level);
// SAVE!
sv_saveandmakesnapshot(fw, 0);
fw.Close();
bool res = FinishSavegameWrite();
if (!g_netServer && ud.multimode < 2)
{
OSD_Printf("Saved: %s\n", fn.GetChars());
quoteMgr.InitializeQuote(QUOTE_RESERVED4, "Game Saved");
P_DoQuote(QUOTE_RESERVED4, g_player[myconnectindex].ps);
}
ready2send = 1;
Net_WaitForServer();
G_RestoreTimers();
ototalclock = totalclock;
VM_OnEvent(EVENT_POSTSAVEGAME, g_player[myconnectindex].ps->i, myconnectindex);
return res;
}
}
bool GameInterface::LoadGame(FSaveGameNode *sv)
{
if (g_netServer || ud.multimode > 1)
{
quoteMgr.InitializeQuote(QUOTE_RESERVED4, "Multiplayer Loading Not Yet Supported");
P_DoQuote(QUOTE_RESERVED4, g_player[myconnectindex].ps);
// g_player[myconnectindex].ps->gm = MODE_GAME;
return false;
}
else
{
int32_t c = G_LoadPlayer(sv);
if (c == 0)
g_player[myconnectindex].ps->gm = MODE_GAME;
return c == 0;
}
}
bool GameInterface::SaveGame(FSaveGameNode* sv)
{
if (g_netServer || ud.multimode > 1)
{
quoteMgr.InitializeQuote(QUOTE_RESERVED4, "Multiplayer Saving Not Yet Supported");
P_DoQuote(QUOTE_RESERVED4, g_player[myconnectindex].ps);
return false;
}
else
{
videoNextPage(); // no idea if this is needed here.
return G_SavePlayer(sv);
}
}
////////// GENERIC SAVING/LOADING SYSTEM //////////
typedef struct dataspec_
{
uint32_t flags;
void * const ptr;
uint32_t size;
intptr_t cnt;
} dataspec_t;
typedef struct dataspec_gv_
{
uint32_t flags;
void * ptr;
uint32_t size;
intptr_t cnt;
} dataspec_gv_t;
#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, FileWriter *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)
{
fil->Write(spec->ptr, Bstrlen((const char *)spec->ptr)); // 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)
{
fil->Write(ptr, spec->size * cnt);
}
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, FileReader *fil, uint8_t **dumpvar)
{
uint8_t * dump = dumpvar ? *dumpvar : NULL;
auto const sptr = spec;
for (; spec->flags != DS_END; spec++)
{
if (fil == nullptr && 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 = fil->Read(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(" file read 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 != nullptr && fil->isOpen())
{
auto const mem = (dump && (spec->flags & DS_NOCHK) == 0) ? dump : (uint8_t *)ptr;
int const siz = cnt * spec->size;
int const ksiz = fil->Read(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(" : read %d, expected %d!\n",
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] & pow2char[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
#if defined LUNATIC
// Recreate Lua state.
// XXX: It may matter a great deal when this is run from if the Lua code refers
// to C-side data at file scope. Such usage is strongly discouraged though.
static void sv_create_lua_state(void)
{
El_CreateGameState();
G_PostCreateGameState();
}
#endif
static void sv_postactordata();
static void sv_preanimateptrsave();
static void sv_postanimateptr();
static void sv_restsave();
static void sv_restload();
static void sv_preprojectilesave();
static void sv_postprojectilesave();
static void sv_preprojectileload();
static void sv_postprojectileload();
static projectile_t *savegame_projectiledata;
static uint8_t savegame_projectiles[MAXTILES >> 3];
static int32_t savegame_projectilecnt = 0;
#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_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 },
{ 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 },
{ 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) },
// projectiles
{ 0, &SpriteProjectile[0], sizeof(projectile_t), MAXSPRITES },
{ 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 },
{ DS_SAVEFN, (void *) &sv_preprojectilesave, 0, 1 },
{ 0, savegame_projectiles, sizeof(uint8_t), MAXTILES >> 3 },
{ DS_LOADFN, (void *) &sv_preprojectileload, 0, 1 },
{ DS_DYNAMIC|DS_CNT(savegame_projectilecnt), &savegame_projectiledata, sizeof(projectile_t), (intptr_t)&savegame_projectilecnt },
{ DS_SAVEFN, (void *) &sv_postprojectilesave, 0, 1 },
{ DS_LOADFN, (void *) &sv_postprojectileload, 0, 1 },
{ 0, &actor[0], sizeof(actor_t), MAXSPRITES },
{ DS_SAVEFN|DS_LOADFN, (void *)&sv_postactordata, 0, 1 },
#if defined LUNATIC
{ DS_LOADFN|DS_NOCHK, (void *)&sv_create_lua_state, 0, 1 },
#endif
{ 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+7)>>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 },
{ 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 dataspec_gv_t *svgm_vars=NULL;
static uint8_t *dosaveplayer2(FileWriter &fil, uint8_t *mem);
static int32_t doloadplayer2(FileReader &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"
#if !defined LUNATIC
#define SV_SKIPMASK (/*GAMEVAR_SYSTEM|*/ GAMEVAR_READONLY | GAMEVAR_PTR_MASK | /*GAMEVAR_NORESET |*/ GAMEVAR_SPECIAL)
static char svgm_vars_string [] = "blK:vars";
// setup gamevar data spec for snapshotting and diffing... gamevars must be loaded when called
static void sv_makevarspec()
{
int vcnt = 0;
for (int i = 0; i < g_gameVarCount; i++)
vcnt += (aGameVars[i].flags & SV_SKIPMASK) ? 0 : 1;
for (int i=0; i<g_gameArrayCount; i++)
vcnt += !(aGameArrays[i].flags & (GAMEARRAY_SYSTEM|GAMEARRAY_READONLY)); // SYSTEM_GAMEARRAY
svgm_vars = (dataspec_gv_t *)Xrealloc(svgm_vars, (vcnt + 2) * sizeof(dataspec_gv_t));
svgm_vars[0].flags = DS_STRING;
svgm_vars[0].ptr = svgm_vars_string;
svgm_vars[0].cnt = 1;
vcnt = 1;
for (int i = 0; i < g_gameVarCount; i++)
{
if (aGameVars[i].flags & SV_SKIPMASK)
continue;
unsigned const per = aGameVars[i].flags & GAMEVAR_USER_MASK;
svgm_vars[vcnt].flags = 0;
svgm_vars[vcnt].ptr = (per == 0) ? &aGameVars[i].global : aGameVars[i].pValues;
svgm_vars[vcnt].size = sizeof(intptr_t);
svgm_vars[vcnt].cnt = (per == 0) ? 1 : (per == GAMEVAR_PERPLAYER ? MAXPLAYERS : MAXSPRITES);
++vcnt;
}
for (int i = 0; i < g_gameArrayCount; i++)
{
// We must not update read-only SYSTEM_GAMEARRAY gamearrays: besides
// being questionable by itself, sizeof(...) may be e.g. 4 whereas the
// actual element type is int16_t (such as tilesizx[]/tilesizy[]).
if (aGameArrays[i].flags & (GAMEARRAY_SYSTEM|GAMEARRAY_READONLY))
continue;
auto const pValues = aGameArrays[i].pValues;
svgm_vars[vcnt].flags = 0;
svgm_vars[vcnt].ptr = pValues;
if (aGameArrays[i].flags & GAMEARRAY_BITMAP)
{
svgm_vars[vcnt].size = (aGameArrays[i].size + 7) >> 3;
svgm_vars[vcnt].cnt = 1; // assumed constant throughout demo, i.e. no RESIZEARRAY
}
else
{
svgm_vars[vcnt].size = pValues == NULL ? 0 : sizeof(aGameArrays[0].pValues[0]);
svgm_vars[vcnt].cnt = aGameArrays[i].size; // assumed constant throughout demo, i.e. no RESIZEARRAY
}
++vcnt;
}
svgm_vars[vcnt].flags = DS_END;
svgm_vars[vcnt].ptr = NULL;
svgm_vars[vcnt].size = 0;
svgm_vars[vcnt].cnt = 0;
}
#endif
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(FileWriter &fil, int8_t spot)
{
savehead_t h;
// calculate total snapshot size
#if !defined LUNATIC
sv_makevarspec();
svsnapsiz = calcsz((const dataspec_t *)svgm_vars);
#else
svsnapsiz = 0;
#endif
svsnapsiz += calcsz(svgm_udnetw) + calcsz(svgm_secwsp) + calcsz(svgm_script) + calcsz(svgm_anmisc);
// create header
Bmemcpy(h.headerstr, "DEDSAVEGAME", 11);
h.majorver = SV_MAJOR_VER;
h.minorver = SV_MINOR_VER;
h.ptrsize = sizeof(intptr_t);
h.bytever = BYTEVERSION;
h.userbytever = ud.userbytever;
h.scriptcrc = g_scriptcrc;
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;
if (spot >= 0)
{
// savegame
auto fw = WriteSavegameChunk("header.dat");
fw->Write(&h, sizeof(savehead_t));
}
else
{
// demo (currently broken, needs a new format.)
const time_t t = time(NULL);
struct tm * st = localtime(&t);
FStringf demoname("Demo %04d%02d%02d %s", st->tm_year+1900, st->tm_mon+1, st->tm_mday, GetGitDescription());
fil.Write(&h, sizeof(savehead_t));
}
// write header
#if 0 // not usable anymore
if (spot >= 0 && tileData(TILE_SAVESHOT))
{
auto fw = WriteSavegameChunk("screenshot.dat");
fw->Write(tileData(TILE_SAVESHOT), 320*200);
}
#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(FileReader &fill, int32_t spot, savehead_t *h)
{
FileReader filc;
FileReader* filp = &fill;
int32_t havedemo = (spot < 0);
if (!havedemo)
{
filc = ReadSavegameChunk("header.dat");
filp = &filc;
}
if (filp->Read(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, "DEDSAVEGAME", 11)
)
{
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 \"DEDSAVEGAME\".\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 savegame. Expected version %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(FileReader &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 (spot >= 0)
{
// savegame
i = doloadplayer2(fil, NULL);
if (i)
{
OSD_Printf("sv_loadsnapshot: doloadplayer2() returned %d.\n", i);
return 5;
}
}
else
{
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(FileWriter *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 !defined LUNATIC
cmpspecdata((const dataspec_t *)svgm_vars, &p, &d);
#endif
if (p != svsnapshot+svsnapsiz)
OSD_Printf("sv_writediff: dump+siz=%p, p=%p!\n", svsnapshot+svsnapsiz, p);
uint32_t const diffsiz = d - svdiff;
fil->Write("dIfF",4);
fil->Write(&diffsiz, sizeof(diffsiz));
fil->Write(svdiff, diffsiz);
return diffsiz;
}
int32_t sv_readdiff(FileReader &fil)
{
int32_t diffsiz;
if (fil.Read(&diffsiz, sizeof(uint32_t)) != sizeof(uint32_t))
return -1;
if (fil.Read(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;
#if !defined LUNATIC
if (applydiff((const dataspec_t *)svgm_vars, &p, &d)) return -7;
#endif
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()
{
#if 1
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;
m_coop = ud.coop;
m_marker = ud.marker;
m_ffire = ud.ffire;
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_preprojectilesave()
{
savegame_projectilecnt = 0;
Bmemset(savegame_projectiles, 0, sizeof(savegame_projectiles));
for (auto & i : g_tile)
if (i.proj)
savegame_projectilecnt++;
if (savegame_projectilecnt > 0)
savegame_projectiledata = (projectile_t *) Xrealloc(savegame_projectiledata, sizeof(projectile_t) * savegame_projectilecnt);
for (int i = 0, cnt = 0; i < MAXTILES; i++)
{
if (g_tile[i].proj)
{
savegame_projectiles[i>>3] |= 1<<(i&7);
Bmemcpy(&savegame_projectiledata[cnt++], g_tile[i].proj, sizeof(projectile_t));
}
}
}
static void sv_postprojectilesave()
{
DO_FREE_AND_NULL(savegame_projectiledata);
}
static void sv_preprojectileload()
{
savegame_projectilecnt = 0;
for (int i = 0; i < MAXTILES; i++)
{
if (savegame_projectiles[i>>3] & pow2char[i&7])
savegame_projectilecnt++;
}
if (savegame_projectilecnt > 0)
savegame_projectiledata = (projectile_t *) Xrealloc(savegame_projectiledata, sizeof(projectile_t) * savegame_projectilecnt);
}
static void sv_postprojectileload()
{
for (int i = 0, cnt = 0; i < MAXTILES; i++)
{
if (savegame_projectiles[i>>3] & pow2char[i&7])
{
C_AllocProjectile(i);
Bmemcpy(g_tile[i].proj, &savegame_projectiledata[cnt++], sizeof(projectile_t));
}
}
DO_FREE_AND_NULL(savegame_projectiledata);
}
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 = cl_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
#ifdef LUNATIC
// <levelnum>: if we're not serializing for a mapstate, -1
// otherwise, the linearized level number
LUNATIC_CB const char *(*El_SerializeGamevars)(int32_t *slenptr, int32_t levelnum);
#endif
static uint8_t *dosaveplayer2(FileWriter &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");
#if !defined LUNATIC
Gv_WriteSave(fil); // gamevars
mem=writespecdata((const dataspec_t *)svgm_vars, 0, mem);
PRINTSIZE("vars");
#endif
return mem;
}
static int32_t doloadplayer2(FileReader &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 !defined LUNATIC
int i;
if ((i = Gv_ReadSave(fil))) return i;
if (mem)
{
int32_t i;
sv_makevarspec();
for (i=1; svgm_vars[i].flags!=DS_END; i++)
{
Bmemcpy(mem, svgm_vars[i].ptr, svgm_vars[i].size*svgm_vars[i].cnt); // careful! works because there are no DS_DYNAMIC's!
mem += svgm_vars[i].size*svgm_vars[i].cnt;
}
}
PRINTSIZE("vars");
#endif
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, nullptr, &p)) return -2;
if (readspecdata(svgm_secwsp, nullptr, &p)) return -4;
if (readspecdata(svgm_script, nullptr, &p)) return -5;
if (readspecdata(svgm_anmisc, nullptr, &p)) return -6;
#if !defined LUNATIC
if (readspecdata((const dataspec_t *)svgm_vars, nullptr, &p)) return -8;
#endif
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 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)
{
Bmemset(gotpic, 0, sizeof(gotpic));
S_ClearSoundLocks();
G_CacheMapData();
Mus_ResumeSaved();
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) = SoundEnabled();
T1(i) = 0;
}
G_UpdateScreenArea();
FX_SetReverb(0);
}
//4
if (savegamep)
{
#ifndef EDUKE32_STANDALONE
if (adult_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
#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) ?
#ifdef LUNATIC
G_ResetTimers(1);
#else
G_ResetTimers(0);
#endif
#ifdef USE_STRUCT_TRACKERS
Bmemset(sectorchanged, 0, sizeof(sectorchanged));
Bmemset(spritechanged, 0, sizeof(spritechanged));
Bmemset(wallchanged, 0, sizeof(wallchanged));
#endif
#ifdef USE_OPENGL
Polymost_prepare_loadboard();
#endif
#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
}
////////// END GENERIC SAVING/LOADING SYSTEM //////////
END_DUKE_NS
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