void P_ReadACSDefereds (PNGHandle *png)
{
BYTE namelen;
char mapname[256];
size_t chunklen;
P_RemoveDefereds ();
if ((chunklen = M_FindPNGChunk (png, ACSD_ID)) != 0)
{
FPNGChunkArchive arc (png->File->GetFile(), ACSD_ID, chunklen);
arc << namelen;
while (namelen)
{
arc.Read (mapname, namelen);
mapname[namelen] = 0;
level_info_t *i = FindLevelInfo (mapname);
if (i == NULL)
{
I_Error ("Unknown map '%s' in savegame", mapname);
}
arc << i->defered;
arc << namelen;
}
}
png->File->ResetFilePtr();
}
FTexture *PNGTexture_CreateFromFile(PNGHandle *png, const FString &filename)
{
uint32_t width, height;
uint8_t bitdepth, colortype, compression, filter, interlace;
if (M_FindPNGChunk(png, MAKE_ID('I','H','D','R')) == 0)
{
return NULL;
}
// Check the IHDR to make sure it's a type of PNG we support.
png->File->Read(&width, 4);
png->File->Read(&height, 4);
(*png->File) >> bitdepth >> colortype >> compression >> filter >> interlace;
if (compression != 0 || filter != 0 || interlace > 1)
{
return NULL;
}
if (!((1 << colortype) & 0x5D))
{
return NULL;
}
if (!((1 << bitdepth) & 0x116))
{
return NULL;
}
return new FPNGTexture (*png->File, -1, filename, BigLong((int)width), BigLong((int)height),
bitdepth, colortype, interlace);
}
void STAT_Read(PNGHandle *png)
{
DWORD chunkLen = (DWORD)M_FindPNGChunk (png, STAT_ID);
if (chunkLen != 0)
{
FPNGChunkArchive arc (png->File->GetFile(), STAT_ID, chunkLen);
SerializeStatistics(arc);
}
}
void G_ReadHubInfo (PNGHandle *png)
{
int chunklen;
if ((chunklen = M_FindPNGChunk (png, HUBS_ID)) != 0)
{
FPNGChunkArchive arc (png->File->GetFile(), HUBS_ID, chunklen);
G_SerializeHub(arc);
}
}
void FRandom::StaticReadRNGState (PNGHandle *png)
{
FRandom *rng;
size_t len = M_FindPNGChunk (png, RAND_ID);
if (len != 0)
{
const size_t sizeof_rng = sizeof(rng->NameCRC) + sizeof(rng->idx) + sizeof(rng->sfmt.u);
const int rngcount = (int)((len-4) / sizeof_rng);
int i;
DWORD crc;
FPNGChunkArchive arc (png->File->GetFile(), RAND_ID, len);
arc << rngseed;
FRandom::StaticClearRandom ();
for (i = rngcount; i; --i)
{
arc << crc;
for (rng = FRandom::RNGList; rng != NULL; rng = rng->Next)
{
if (rng->NameCRC == crc)
{
arc << rng->idx;
for (int i = 0; i < SFMT::N32; ++i)
{
arc << rng->sfmt.u[i];
}
break;
}
}
if (rng == NULL)
{ // The RNG was removed. Skip it.
int idx;
DWORD sfmt;
arc << idx;
for (int i = 0; i < SFMT::N32; ++i)
{
arc << sfmt;
}
}
}
png->File->ResetFilePtr();
}
}
void P_ReadACSDefereds (PNGHandle *png)
{
BYTE namelen;
char mapname[256];
FString MapName;
size_t chunklen;
P_RemoveDefereds ();
if ((chunklen = M_FindPNGChunk (png, ACSD_ID)) != 0)
{
FPNGChunkArchive arc (png->File->GetFile(), ACSD_ID, chunklen);
if (SaveVersion < 4508)
{
arc << namelen;
while (namelen != 0)
{
arc.Read(mapname, namelen);
mapname[namelen] = 0;
level_info_t *i = FindLevelInfo(mapname);
if (i == NULL)
{
I_Error("Unknown map '%s' in savegame", mapname);
}
arc << i->defered;
arc << namelen;
}
}
else
{
while (arc << MapName, MapName.Len() > 0)
{
level_info_t *i = FindLevelInfo(MapName);
if (i == NULL)
{
I_Error("Unknown map '%s' in savegame", MapName.GetChars());
}
arc << i->defered;
}
}
}
png->File->ResetFilePtr();
}
void P_ReadACSDefereds (PNGHandle *png)
{
FString MapName;
size_t chunklen;
P_RemoveDefereds ();
if ((chunklen = M_FindPNGChunk (png, ACSD_ID)) != 0)
{
FPNGChunkArchive arc (png->File->GetFile(), ACSD_ID, chunklen);
while (arc << MapName, MapName.Len() > 0)
{
level_info_t *i = FindLevelInfo(MapName);
if (i == NULL)
{
I_Error("Unknown map '%s' in savegame", MapName.GetChars());
}
arc << i->defered;
}
}
png->File->ResetFilePtr();
}
void G_ReadSnapshots (PNGHandle *png)
{
DWORD chunkLen;
BYTE namelen;
char mapname[256];
level_info_t *i;
G_ClearSnapshots ();
chunkLen = (DWORD)M_FindPNGChunk (png, SNAP_ID);
while (chunkLen != 0)
{
FPNGChunkArchive arc (png->File->GetFile(), SNAP_ID, chunkLen);
DWORD snapver;
arc << snapver;
arc << namelen;
arc.Read (mapname, namelen);
mapname[namelen] = 0;
i = FindLevelInfo (mapname);
i->snapshotVer = snapver;
i->snapshot = new FCompressedMemFile;
i->snapshot->Serialize (arc);
chunkLen = (DWORD)M_NextPNGChunk (png, SNAP_ID);
}
chunkLen = (DWORD)M_FindPNGChunk (png, DSNP_ID);
if (chunkLen != 0)
{
FPNGChunkArchive arc (png->File->GetFile(), DSNP_ID, chunkLen);
DWORD snapver;
arc << snapver;
arc << namelen;
arc.Read (mapname, namelen);
TheDefaultLevelInfo.snapshotVer = snapver;
TheDefaultLevelInfo.snapshot = new FCompressedMemFile;
TheDefaultLevelInfo.snapshot->Serialize (arc);
}
chunkLen = (DWORD)M_FindPNGChunk (png, VIST_ID);
if (chunkLen != 0)
{
FPNGChunkArchive arc (png->File->GetFile(), VIST_ID, chunkLen);
arc << namelen;
while (namelen != 0)
{
arc.Read (mapname, namelen);
mapname[namelen] = 0;
i = FindLevelInfo (mapname);
i->flags |= LEVEL_VISITED;
arc << namelen;
}
}
chunkLen = (DWORD)M_FindPNGChunk (png, RCLS_ID);
if (chunkLen != 0)
{
FPNGChunkArchive arc (png->File->GetFile(), PCLS_ID, chunkLen);
SBYTE cnum;
for (DWORD j = 0; j < chunkLen; ++j)
{
arc << cnum;
SinglePlayerClass[j] = cnum;
}
}
chunkLen = (DWORD)M_FindPNGChunk (png, PCLS_ID);
if (chunkLen != 0)
{
FPNGChunkArchive arc (png->File->GetFile(), RCLS_ID, chunkLen);
BYTE pnum;
arc << pnum;
while (pnum != 255)
{
arc.UserReadClass (players[pnum].cls);
arc << pnum;
}
}
png->File->ResetFilePtr();
}
