bool MDFNI_SaveState(const char *fname, const char *suffix, const MDFN_Surface *surface, const MDFN_Rect *DisplayRect, const int32 *LineWidths) noexcept
{
bool ret = true;
try
{
if(!MDFNGameInfo->StateAction)
{
throw MDFN_Error(0, _("Module \"%s\" doesn't support save states."), MDFNGameInfo->shortname);
}
if(MDFNnetplay && (MDFNGameInfo->SaveStateAltersState == true))
{
throw MDFN_Error(0, _("Module %s is not compatible with manual state saving during netplay."), MDFNGameInfo->shortname);
}
//
//
{
MemoryStream st(65536);
MDFNSS_SaveSM(&st, false, surface, DisplayRect, LineWidths);
//
//
//
GZFileStream gp(fname ? std::string(fname) : MDFN_MakeFName(MDFNMKF_STATE,CurrentState,suffix),
GZFileStream::MODE::WRITE, MDFN_GetSettingI("filesys.state_comp_level"));
gp.write(st.map(), st.size());
gp.close();
}
MDFND_SetStateStatus(NULL);
if(!fname && !suffix)
{
SaveStateStatus[CurrentState] = true;
RecentlySavedState = CurrentState;
MDFN_DispMessage(_("State %d saved."), CurrentState);
}
}
catch(std::exception &e)
{
if(!fname && !suffix)
MDFN_DispMessage(_("State %d save error: %s"), CurrentState, e.what());
else
MDFN_PrintError("%s", e.what());
if(MDFNnetplay)
MDFND_NetplayText(e.what(), false);
ret = false;
}
return(ret);
}
static void NetPrintText(const char *format, ...)
{
char *temp = NULL;
va_list ap;
va_start(ap, format);
temp = trio_vaprintf(format, ap);
va_end(ap);
MDFND_NetplayText((UTF8 *)temp, FALSE);
free(temp);
}
// Call from game thread
static void PrintNetError(const char *format, ...)
{
char *temp;
va_list ap;
va_start(ap, format);
temp = trio_vaprintf(format, ap);
MDFND_NetplayText((uint8 *)temp, FALSE);
free(temp);
va_end(ap);
}
void MDFNI_SaveState(const char *fname, const char *suffix, const MDFN_Surface *surface, const MDFN_Rect *DisplayRect, const MDFN_Rect *LineWidths)
{
if(!MDFNGameInfo->StateAction)
return;
if(MDFNnetplay && (MDFNGameInfo->SaveStateAltersState == true))
{
char sb[256];
trio_snprintf(sb, sizeof(sb), _("Module %s is not compatible with manual state saving during netplay."), MDFNGameInfo->shortname);
MDFND_NetplayText((const uint8*)sb, false);
return;
}
MDFND_SetStateStatus(NULL);
MDFNSS_Save(fname, suffix, surface, DisplayRect, LineWidths);
}
void MDFNI_SaveMovie(char *fname, const MDFN_Surface *surface, const MDFN_Rect *DisplayRect, const int32 *LineWidths)
{
gzFile fp;
if(!MDFNGameInfo->StateAction)
return;
if(MDFNnetplay && (MDFNGameInfo->SaveStateAltersState == true))
{
char sb[256];
trio_snprintf(sb, sizeof(sb), _("Module %s is not compatible with manual movie save starting/stopping during netplay."), MDFNGameInfo->shortname);
MDFND_NetplayText((const uint8*)sb, false);
return;
}
if(current < 0) /* Can't interrupt playback.*/
return;
if(current > 0) /* Stop saving. */
{
StopRecording();
return;
}
memset(&RewindBuffer, 0, sizeof(StateMem));
RewindBuffer.initial_malloc = 16;
current = CurrentMovie;
if(fname)
fp = gzopen(fname, "wb3");
else
{
fp=gzopen(MDFN_MakeFName(MDFNMKF_MOVIE,CurrentMovie,0).c_str(),"wb3");
}
if(!fp) return;
MDFNSS_SaveFP(fp, surface, DisplayRect, LineWidths);
gzseek(fp, 0, SEEK_END);
gzflush(fp, Z_SYNC_FLUSH); // Flush output so that previews will still work right while
// the movie is being recorded. Purely cosmetic. :)
slots[current] = fp;
current++;
MDFN_DispMessage(_("Movie recording started."));
}
// Call from game thread
static void PrintNetStatus(const char *s)
{
MDFND_NetplayText((uint8 *)s, FALSE);
}
bool MDFNI_LoadState(const char *fname, const char *suffix) noexcept
{
bool ret = true;
try
{
if(!MDFNGameInfo->StateAction)
{
throw MDFN_Error(0, _("Module \"%s\" doesn't support save states."), MDFNGameInfo->shortname);
}
/* For network play and movies, be load the state locally, and then save the state to a temporary buffer,
and send or record that. This ensures that if an older state is loaded that is missing some
information expected in newer save states, desynchronization won't occur(at least not
from this ;)).
*/
{
GZFileStream st(fname ? std::string(fname) : MDFN_MakeFName(MDFNMKF_STATE,CurrentState,suffix), GZFileStream::MODE::READ);
uint8 header[32];
uint32 st_len;
st.read(header, 32);
st_len = MDFN_de32lsb(header + 16 + 4) & 0x7FFFFFFF;
if(st_len < 32)
throw MDFN_Error(0, _("Save state header length field is bad."));
MemoryStream sm(st_len, -1);
memcpy(sm.map(), header, 32);
st.read(sm.map() + 32, st_len - 32);
MDFNSS_LoadSM(&sm, false);
}
if(MDFNnetplay)
{
NetplaySendState();
}
if(MDFNMOV_IsRecording())
MDFNMOV_RecordState();
MDFND_SetStateStatus(NULL);
if(!fname && !suffix)
{
SaveStateStatus[CurrentState] = true;
MDFN_DispMessage(_("State %d loaded."), CurrentState);
}
}
catch(std::exception &e)
{
if(!fname && !suffix)
MDFN_DispMessage(_("State %d load error: %s"), CurrentState, e.what());
else
MDFN_PrintError("%s", e.what());
if(MDFNnetplay)
MDFND_NetplayText(e.what(), false);
ret = false;
}
return(ret);
}
static void ProcessCommand(const uint8 cmd, const uint32 raw_len, const char **PortDNames, void *PortData[], uint32 PortLen[], int NumPorts)
{
switch(cmd)
{
case 0: break; // No command
default: MDFN_DoSimpleCommand(cmd);
break;
case MDFNNPCMD_INTEGRITY:
SendIntegrity();
break;
case MDFNNPCMD_REQUEST_STATE:
SendState();
break;
case MDFNNPCMD_LOADSTATE:
RecvState(raw_len);
MDFN_DispMessage(_("Remote state loaded."));
break;
case MDFNNPCMD_SERVERTEXT:
{
static const uint32 MaxLength = 2000;
uint8 neobuf[MaxLength + 1];
char *textbuf = NULL;
const uint32 totallen = raw_len;
if(totallen > MaxLength) // Sanity check
{
throw MDFN_Error(0, _("Text length is too long: %u"), totallen);
}
MDFND_RecvData(neobuf, totallen);
neobuf[totallen] = 0;
trio_asprintf(&textbuf, "** %s", neobuf);
MDFND_NetplayText((UTF8*)textbuf, FALSE);
free(textbuf);
}
break;
case MDFNNPCMD_ECHO:
{
uint32 totallen = raw_len;
uint64 then_time;
uint64 now_time;
if(totallen != sizeof(then_time))
{
throw MDFN_Error(0, _("Echo response length is incorrect size: %u"), totallen);
}
MDFND_RecvData(&then_time, sizeof(then_time));
now_time = MDFND_GetTime();
char *textbuf = NULL;
trio_asprintf(&textbuf, _("*** Round-trip time: %llu ms"), (unsigned long long)(now_time - then_time));
MDFND_NetplayText((UTF8*)textbuf, FALSE);
free(textbuf);
}
break;
case MDFNNPCMD_TEXT:
{
static const uint32 MaxLength = 2000;
uint8 neobuf[MaxLength + 1];
const uint32 totallen = raw_len;
uint32 nicklen;
bool NetEcho = false;
char *textbuf = NULL;
if(totallen < 4)
{
throw MDFN_Error(0, _("Text command length is too short: %u"), totallen);
}
if(totallen > MaxLength) // Sanity check
{
throw MDFN_Error(0, _("Text command length is too long: %u"), totallen);
}
MDFND_RecvData(neobuf, totallen);
nicklen = MDFN_de32lsb(neobuf);
if(nicklen > (totallen - 4)) // Sanity check
{
throw MDFN_Error(0, _("Received nickname length is too long: %u"), nicklen);
}
neobuf[totallen] = 0;
if(nicklen)
{
uint8 nickbuf[nicklen + 1];
memcpy(nickbuf, neobuf + 4, nicklen);
nickbuf[nicklen] = 0;
if(OurNick && !strcasecmp(OurNick, (char *)nickbuf))
{
trio_asprintf(&textbuf, "> %s", &neobuf[4 + nicklen]);
NetEcho = true;
}
else
trio_asprintf(&textbuf, "<%s> %s", nickbuf, &neobuf[4 + nicklen]);
}
else
{
trio_asprintf(&textbuf, "* %s", &neobuf[4]);
}
MDFND_NetplayText((UTF8*)textbuf, NetEcho);
free(textbuf);
}
break;
case MDFNNPCMD_NICKCHANGED:
{
static const uint32 MaxLength = 2000;
uint8 neobuf[MaxLength + 1];
uint8 *newnick;
char *textbuf = NULL;
const uint32 len = raw_len;
if(len > MaxLength) // Sanity check
{
throw MDFN_Error(0, _("Nickname change length is too long: %u"), len);
}
MDFND_RecvData(neobuf, len);
neobuf[len] = 0;
newnick = (uint8*)strchr((char*)neobuf, '\n');
if(newnick)
{
bool IsMeow = FALSE;
*newnick = 0;
newnick++;
if(OurNick)
{
if(!strcasecmp((char*)neobuf, (char*)OurNick))
{
free(OurNick);
OurNick = strdup((char*)newnick);
textbuf = trio_aprintf(_("* You are now known as <%s>."), newnick);
IsMeow = TRUE;
}
}
if(!textbuf)
textbuf = trio_aprintf(_("* <%s> is now known as <%s>"), neobuf, newnick);
MDFND_NetplayText((UTF8*)textbuf, IsMeow);
free(textbuf);
}
}
break;
case MDFNNPCMD_CTRL_CHANGE:
{
const uint32 len = raw_len;
//
// Joined = true;
SendCommand(MDFNNPCMD_CTRL_CHANGE_ACK, len);
//
//
LocalInputStateSize = 0;
LocalPlayersMask = len;
for(int x = 0; x < MDFNGameInfo->InputInfo->InputPorts; x++)
{
if(LocalPlayersMask & (1 << x))
LocalInputStateSize += PortLen[x];
}
}
break;
case MDFNNPCMD_CTRLR_SWAP_NOTIF:
{
const uint32 cm = raw_len;
char textbuf[512];
trio_snprintf(textbuf, sizeof(textbuf), _("* All instances of controllers %u and %u have been swapped."), ((cm & 0xFF) + 1), ((cm >> 8) & 0xFF) + 1);
MDFND_NetplayText((UTF8*)textbuf, false);
}
break;
case MDFNNPCMD_CTRLR_TAKE_NOTIF:
case MDFNNPCMD_CTRLR_DROP_NOTIF:
case MDFNNPCMD_CTRLR_DUPE_NOTIF:
{
static const uint32 MaxNicknameLength = 1000;
static const uint32 MaxLength = 12 + MaxNicknameLength;
const char *fstr = NULL;
const uint32 len = raw_len;
uint8 ntf_buf[MaxLength + 1];
char *textbuf = NULL;
if(len < 12)
throw MDFN_Error(0, _("Take/drop/dupe notification is too short: %u"), len);
if(len > MaxLength)
throw MDFN_Error(0, _("Take/drop/dupe notification is too long: %u"), len);
MDFND_RecvData(ntf_buf, len);
ntf_buf[len] = 0;
switch(cmd)
{
case MDFNNPCMD_CTRLR_TAKE_NOTIF:
fstr = _("* <%s> took all instances of %s, and is now %s.");
break;
case MDFNNPCMD_CTRLR_DUPE_NOTIF:
fstr = _("* <%s> took copies of %s, and is now %s.");
break;
case MDFNNPCMD_CTRLR_DROP_NOTIF:
fstr = _("* <%s> dropped %s, and is now %s.");
break;
}
trio_asprintf(&textbuf, fstr, ntf_buf + 12, GenerateMPSString(MDFN_de32lsb(&ntf_buf[0]), true).c_str(), GenerateMPSString(MDFN_de32lsb(&ntf_buf[4]), false).c_str());
MDFND_NetplayText((UTF8*)textbuf, false);
free(textbuf);
}
break;
case MDFNNPCMD_YOUJOINED:
case MDFNNPCMD_YOULEFT:
case MDFNNPCMD_PLAYERLEFT:
case MDFNNPCMD_PLAYERJOINED:
{
static const uint32 MaxLength = 2000;
uint8 neobuf[MaxLength + 1];
char *textbuf = NULL;
uint32 mps;
std::string mps_string;
const uint32 len = raw_len;
if(len < 8)
{
throw MDFN_Error(0, _("Join/Left length is too short: %u"), len);
}
if(len > MaxLength) // Sanity check
{
throw MDFN_Error(0, _("Join/Left length is too long: %u"), len);
}
MDFND_RecvData(neobuf, len);
neobuf[len] = 0; // NULL-terminate the string
mps = MDFN_de32lsb(&neobuf[0]);
mps_string = GenerateMPSString(mps);
if(cmd == MDFNNPCMD_YOULEFT)
{
// Uhm, not supported yet!
LocalPlayersMask = 0;
LocalInputStateSize = 0;
Joined = FALSE;
}
else if(cmd == MDFNNPCMD_YOUJOINED)
{
if(OurNick) // This shouldn't happen, really...
{
free(OurNick);
OurNick = NULL;
}
OurNick = strdup((char*)neobuf + 8);
trio_asprintf(&textbuf, _("* You, %s, have connected as: %s"), neobuf + 8, mps_string.c_str());
LocalPlayersMask = mps;
LocalInputStateSize = 0;
for(int x = 0; x < MDFNGameInfo->InputInfo->InputPorts; x++)
{
if(LocalPlayersMask & (1U << x))
LocalInputStateSize += PortLen[x];
}
Joined = TRUE;
SendCommand(MDFNNPCMD_SETFPS, MDFNGameInfo->fps);
}
else if(cmd == MDFNNPCMD_PLAYERLEFT)
{
trio_asprintf(&textbuf, _("* %s(%s) has left"), neobuf + 8, mps_string.c_str());
}
else
{
trio_asprintf(&textbuf, _("* %s has connected as: %s"), neobuf + 8, mps_string.c_str());
}
MDFND_NetplayText((UTF8*)textbuf, FALSE);
free(textbuf);
}
break;
}
}