void SFFile::LoadSample(SFSample *sample)
{
FileReader *fp = open_filereader(Filename, openmode, NULL);
DWORD i;
if (fp == NULL)
{
return;
}
sample->InMemoryData = new float[sample->End - sample->Start + 1];
fp->Seek(SampleDataOffset + sample->Start * 2, SEEK_SET);
// Load 16-bit sample data.
for (i = 0; i < sample->End - sample->Start; ++i)
{
SWORD samp;
*fp >> samp;
sample->InMemoryData[i] = samp / 32768.f;
}
if (SampleDataLSBOffset != 0)
{ // Load lower 8 bits of 24-bit sample data.
fp->Seek(SampleDataLSBOffset + sample->Start, SEEK_SET);
for (i = 0; i < sample->End - sample->Start; ++i)
{
BYTE samp;
*fp >> samp;
sample->InMemoryData[i] = ((((SDWORD(sample->InMemoryData[i] * 32768) << 8) | samp) << 8) >> 8) / 8388608.f;
}
}
sf_count_t SndFileDecoder::file_seek(sf_count_t offset, int whence, void *user_data)
{
FileReader *reader = reinterpret_cast<SndFileDecoder*>(user_data)->Reader;
if(reader->Seek((long)offset, whence) != 0)
return -1;
return reader->Tell();
}
//==========================================================================
//
// RenameNerve
//
// Renames map headers and map name pictures in nerve.wad so as to load it
// alongside Doom II and offer both episodes without causing conflicts.
// MD5 checksum for NERVE.WAD: 967d5ae23daf45196212ae1b605da3b0
//
//==========================================================================
void FWadCollection::RenameNerve ()
{
if (gameinfo.gametype != GAME_Doom)
return;
bool found = false;
BYTE cksum[16];
static const BYTE nerve[16] = { 0x96, 0x7d, 0x5a, 0xe2, 0x3d, 0xaf, 0x45, 0x19,
0x62, 0x12, 0xae, 0x1b, 0x60, 0x5d, 0xa3, 0xb0
};
size_t nervesize = 3819855; // NERVE.WAD's file size
int w = IWAD_FILENUM;
while (++w < GetNumWads())
{
FileReader *fr = GetFileReader(w);
if (fr == NULL)
{
continue;
}
if (fr->GetLength() != (long)nervesize)
{
// Skip MD5 computation when there is a
// cheaper way to know this is not the file
continue;
}
fr->Seek(0, SEEK_SET);
MD5Context md5;
md5.Update(fr, fr->GetLength());
md5.Final(cksum);
if (memcmp(nerve, cksum, 16) == 0)
{
found = true;
break;
}
}
if (!found)
return;
for (int i = GetFirstLump(w); i <= GetLastLump(w); i++)
{
// Only rename the maps from NERVE.WAD
assert(LumpInfo[i].wadnum == w);
if (LumpInfo[i].lump->dwName == MAKE_ID('C', 'W', 'I', 'L'))
{
LumpInfo[i].lump->Name[0] = 'N';
}
else if (LumpInfo[i].lump->dwName == MAKE_ID('M', 'A', 'P', '0'))
{
LumpInfo[i].lump->Name[6] = LumpInfo[i].lump->Name[4];
LumpInfo[i].lump->Name[5] = '0';
LumpInfo[i].lump->Name[4] = 'L';
LumpInfo[i].lump->dwName = MAKE_ID('L', 'E', 'V', 'E');
}
}
}
// Read complete name table.
std::vector<std::string> ReadUMXNameTable(FileReader &file, const UMXFileHeader &fileHeader)
{
std::vector<std::string> names;
if(!file.Seek(fileHeader.nameOffset))
{
return names;
}
names.reserve(fileHeader.nameCount);
for(uint32 i = 0; i < fileHeader.nameCount && file.CanRead(4); i++)
{
names.push_back(ReadUMXNameTableEntry(file, fileHeader.packageVersion));
}
return names;
}
void FZipLump::SetLumpAddress()
{
// This file is inside a zip and has not been opened before.
// Position points to the start of the local file header, which we must
// read and skip so that we can get to the actual file data.
FZipLocalFileHeader localHeader;
int skiplen;
FileReader *file = Owner->Reader;
file->Seek(Position, SEEK_SET);
file->Read(&localHeader, sizeof(localHeader));
skiplen = LittleShort(localHeader.NameLength) + LittleShort(localHeader.ExtraLength);
Position += sizeof(localHeader) + skiplen;
Flags &= ~LUMPFZIP_NEEDFILESTART;
}
off_t MPG123Decoder::file_lseek(void *handle, off_t offset, int whence)
{
FileReader *reader = reinterpret_cast<MPG123Decoder*>(handle)->Reader;
if(whence == SEEK_CUR)
{
if(offset < 0 && reader->Tell()+offset < 0)
return -1;
}
else if(whence == SEEK_END)
{
if(offset < 0 && reader->GetLength()+offset < 0)
return -1;
}
if(reader->Seek(offset, whence) != 0)
return -1;
return reader->Tell();
}
bool FPatchTexture::Check(FileReader & file)
{
if (file.GetLength() < 13) return false; // minimum length of a valid Doom patch
BYTE *data = new BYTE[file.GetLength()];
file.Seek(0, SEEK_SET);
file.Read(data, file.GetLength());
const patch_t * foo = (const patch_t *)data;
int height = LittleShort(foo->height);
int width = LittleShort(foo->width);
bool gapAtStart=true;
if (height > 0 && height < 2048 && width > 0 && width <= 2048 && width < file.GetLength()/4)
{
// The dimensions seem like they might be valid for a patch, so
// check the column directory for extra security. At least one
// column must begin exactly at the end of the column directory,
// and none of them must point past the end of the patch.
bool gapAtStart = true;
int x;
for (x = 0; x < width; ++x)
{
DWORD ofs = LittleLong(foo->columnofs[x]);
if (ofs == (DWORD)width * 4 + 8)
{
gapAtStart = false;
}
else if (ofs >= (DWORD)(file.GetLength())) // Need one byte for an empty column (but there's patches that don't know that!)
{
delete [] data;
return false;
}
}
delete [] data;
return !gapAtStart;
}
delete [] data;
return false;
}
off_t MPG123Decoder::file_lseek(void *handle, off_t offset, int whence)
{
MPG123Decoder *self = reinterpret_cast<MPG123Decoder*>(handle);
FileReader *reader = self->Reader;
if(whence == SEEK_SET)
offset += self->StartOffset;
else if(whence == SEEK_CUR)
{
if(offset < 0 && reader->Tell()+offset < self->StartOffset)
return -1;
}
else if(whence == SEEK_END)
{
if(offset < 0 && reader->GetLength()+offset < self->StartOffset)
return -1;
}
if(reader->Seek(offset, whence) != 0)
return -1;
return reader->Tell() - self->StartOffset;
}
virtual long Seek(long offset, int origin)
{
switch (origin)
{
case SEEK_SET:
offset += StartPos;
break;
case SEEK_END:
offset += StartPos + Length;
break;
case SEEK_CUR:
offset += (long)mReader->Tell();
break;
}
if (offset < StartPos || offset > StartPos + Length) return -1; // out of scope
if (mReader->Seek(offset, FileReader::SeekSet) == 0)
{
FilePos = offset;
return 0;
}
return -1;
}
int FPNGTexture::CopyTrueColorPixels(FBitmap *bmp, int x, int y, int rotate, FCopyInfo *inf)
{
// Parse pre-IDAT chunks. I skip the CRCs. Is that bad?
PalEntry pe[256];
DWORD len, id;
FileReader *lump;
static char bpp[] = {1, 0, 3, 1, 2, 0, 4};
int pixwidth = Width * bpp[ColorType];
int transpal = false;
if (SourceLump >= 0)
{
lump = new FWadLump(Wads.OpenLumpNum(SourceLump));
}
else
{
lump = new FileReader(SourceFile.GetChars());
}
lump->Seek(33, SEEK_SET);
for(int i = 0; i < 256; i++) // default to a gray map
pe[i] = PalEntry(255,i,i,i);
lump->Read(&len, 4);
lump->Read(&id, 4);
while (id != MAKE_ID('I','D','A','T') && id != MAKE_ID('I','E','N','D'))
{
len = BigLong((unsigned int)len);
switch (id)
{
default:
lump->Seek (len, SEEK_CUR);
break;
case MAKE_ID('P','L','T','E'):
for(int i = 0; i < PaletteSize; i++)
{
(*lump) >> pe[i].r >> pe[i].g >> pe[i].b;
}
break;
case MAKE_ID('t','R','N','S'):
for(DWORD i = 0; i < len; i++)
{
(*lump) >> pe[i].a;
if (pe[i].a != 0 && pe[i].a != 255)
transpal = true;
}
break;
}
lump->Seek(4, SEEK_CUR); // Skip CRC
lump->Read(&len, 4);
id = MAKE_ID('I','E','N','D');
lump->Read(&id, 4);
}
BYTE * Pixels = new BYTE[pixwidth * Height];
lump->Seek (StartOfIDAT, SEEK_SET);
lump->Read(&len, 4);
lump->Read(&id, 4);
M_ReadIDAT (lump, Pixels, Width, Height, pixwidth, BitDepth, ColorType, Interlace, BigLong((unsigned int)len));
delete lump;
switch (ColorType)
{
case 0:
case 3:
bmp->CopyPixelData(x, y, Pixels, Width, Height, 1, Width, rotate, pe, inf);
break;
case 2:
bmp->CopyPixelDataRGB(x, y, Pixels, Width, Height, 3, pixwidth, rotate, CF_RGB, inf);
break;
case 4:
bmp->CopyPixelDataRGB(x, y, Pixels, Width, Height, 2, pixwidth, rotate, CF_IA, inf);
transpal = -1;
break;
case 6:
bmp->CopyPixelDataRGB(x, y, Pixels, Width, Height, 4, pixwidth, rotate, CF_RGBA, inf);
transpal = -1;
break;
default:
break;
}
delete[] Pixels;
return transpal;
}
FPNGTexture::FPNGTexture (FileReader &lump, int lumpnum, const FString &filename, int width, int height,
uint8_t depth, uint8_t colortype, uint8_t interlace)
: FTexture(NULL, lumpnum), SourceFile(filename), Pixels(0), Spans(0),
BitDepth(depth), ColorType(colortype), Interlace(interlace), HaveTrans(false),
PaletteMap(0), PaletteSize(0), StartOfIDAT(0)
{
union
{
uint32_t palette[256];
uint8_t pngpal[256][3];
} p;
uint8_t trans[256];
uint32_t len, id;
int i;
if (lumpnum == -1) fr = &lump;
else fr = nullptr;
UseType = TEX_MiscPatch;
LeftOffset = 0;
TopOffset = 0;
bMasked = false;
Width = width;
Height = height;
CalcBitSize ();
memset(trans, 255, 256);
// Parse pre-IDAT chunks. I skip the CRCs. Is that bad?
lump.Seek(33, SEEK_SET);
lump.Read(&len, 4);
lump.Read(&id, 4);
while (id != MAKE_ID('I','D','A','T') && id != MAKE_ID('I','E','N','D'))
{
len = BigLong((unsigned int)len);
switch (id)
{
default:
lump.Seek (len, SEEK_CUR);
break;
case MAKE_ID('g','r','A','b'):
// This is like GRAB found in an ILBM, except coordinates use 4 bytes
{
uint32_t hotx, hoty;
int ihotx, ihoty;
lump.Read(&hotx, 4);
lump.Read(&hoty, 4);
ihotx = BigLong((int)hotx);
ihoty = BigLong((int)hoty);
if (ihotx < -32768 || ihotx > 32767)
{
Printf ("X-Offset for PNG texture %s is bad: %d (0x%08x)\n", Wads.GetLumpFullName (lumpnum), ihotx, ihotx);
ihotx = 0;
}
if (ihoty < -32768 || ihoty > 32767)
{
Printf ("Y-Offset for PNG texture %s is bad: %d (0x%08x)\n", Wads.GetLumpFullName (lumpnum), ihoty, ihoty);
ihoty = 0;
}
LeftOffset = ihotx;
TopOffset = ihoty;
}
break;
case MAKE_ID('P','L','T','E'):
PaletteSize = MIN<int> (len / 3, 256);
lump.Read (p.pngpal, PaletteSize * 3);
if (PaletteSize * 3 != (int)len)
{
lump.Seek (len - PaletteSize * 3, SEEK_CUR);
}
for (i = PaletteSize - 1; i >= 0; --i)
{
p.palette[i] = MAKERGB(p.pngpal[i][0], p.pngpal[i][1], p.pngpal[i][2]);
}
break;
case MAKE_ID('t','R','N','S'):
lump.Read (trans, len);
HaveTrans = true;
// Save for colortype 2
NonPaletteTrans[0] = uint16_t(trans[0] * 256 + trans[1]);
NonPaletteTrans[1] = uint16_t(trans[2] * 256 + trans[3]);
NonPaletteTrans[2] = uint16_t(trans[4] * 256 + trans[5]);
break;
case MAKE_ID('a','l','P','h'):
bAlphaTexture = true;
bMasked = true;
break;
}
lump.Seek(4, SEEK_CUR); // Skip CRC
lump.Read(&len, 4);
id = MAKE_ID('I','E','N','D');
lump.Read(&id, 4);
}
StartOfIDAT = lump.Tell() - 8;
switch (colortype)
{
case 4: // Grayscale + Alpha
bMasked = true;
// intentional fall-through
case 0: // Grayscale
if (!bAlphaTexture)
{
if (colortype == 0 && HaveTrans && NonPaletteTrans[0] < 256)
{
bMasked = true;
PaletteSize = 256;
PaletteMap = new uint8_t[256];
memcpy (PaletteMap, GrayMap, 256);
PaletteMap[NonPaletteTrans[0]] = 0;
}
else
{
PaletteMap = GrayMap;
}
}
break;
case 3: // Paletted
PaletteMap = new uint8_t[PaletteSize];
GPalette.MakeRemap (p.palette, PaletteMap, trans, PaletteSize);
for (i = 0; i < PaletteSize; ++i)
{
if (trans[i] == 0)
{
bMasked = true;
PaletteMap[i] = 0;
}
}
break;
case 6: // RGB + Alpha
bMasked = true;
break;
case 2: // RGB
bMasked = HaveTrans;
break;
}
}
void FPNGTexture::MakeTexture ()
{
FileReader *lump;
if (SourceLump >= 0)
{
lump = new FWadLump(Wads.OpenLumpNum(SourceLump));
}
else
{
lump = fr;// new FileReader(SourceFile.GetChars());
}
Pixels = new uint8_t[Width*Height];
if (StartOfIDAT == 0)
{
memset (Pixels, 0x99, Width*Height);
}
else
{
uint32_t len, id;
lump->Seek (StartOfIDAT, SEEK_SET);
lump->Read(&len, 4);
lump->Read(&id, 4);
if (ColorType == 0 || ColorType == 3) /* Grayscale and paletted */
{
M_ReadIDAT (lump, Pixels, Width, Height, Width, BitDepth, ColorType, Interlace, BigLong((unsigned int)len));
if (Width == Height)
{
if (PaletteMap != NULL)
{
FlipSquareBlockRemap (Pixels, Width, Height, PaletteMap);
}
else
{
FlipSquareBlock (Pixels, Width, Height);
}
}
else
{
uint8_t *newpix = new uint8_t[Width*Height];
if (PaletteMap != NULL)
{
FlipNonSquareBlockRemap (newpix, Pixels, Width, Height, Width, PaletteMap);
}
else
{
FlipNonSquareBlock (newpix, Pixels, Width, Height, Width);
}
uint8_t *oldpix = Pixels;
Pixels = newpix;
delete[] oldpix;
}
}
else /* RGB and/or Alpha present */
{
int bytesPerPixel = ColorType == 2 ? 3 : ColorType == 4 ? 2 : 4;
uint8_t *tempix = new uint8_t[Width * Height * bytesPerPixel];
uint8_t *in, *out;
int x, y, pitch, backstep;
M_ReadIDAT (lump, tempix, Width, Height, Width*bytesPerPixel, BitDepth, ColorType, Interlace, BigLong((unsigned int)len));
in = tempix;
out = Pixels;
// Convert from source format to paletted, column-major.
// Formats with alpha maps are reduced to only 1 bit of alpha.
switch (ColorType)
{
case 2: // RGB
pitch = Width * 3;
backstep = Height * pitch - 3;
for (x = Width; x > 0; --x)
{
for (y = Height; y > 0; --y)
{
if (!HaveTrans)
{
*out++ = RGB256k.RGB[in[0]>>2][in[1]>>2][in[2]>>2];
}
else
{
if (in[0] == NonPaletteTrans[0] &&
in[1] == NonPaletteTrans[1] &&
in[2] == NonPaletteTrans[2])
{
*out++ = 0;
}
else
{
*out++ = RGB256k.RGB[in[0]>>2][in[1]>>2][in[2]>>2];
}
}
in += pitch;
}
in -= backstep;
}
break;
case 4: // Grayscale + Alpha
pitch = Width * 2;
backstep = Height * pitch - 2;
if (PaletteMap != NULL)
{
for (x = Width; x > 0; --x)
{
for (y = Height; y > 0; --y)
{
*out++ = in[1] < 128 ? 0 : PaletteMap[in[0]];
in += pitch;
}
in -= backstep;
}
}
else
{
for (x = Width; x > 0; --x)
{
for (y = Height; y > 0; --y)
{
*out++ = in[1] < 128 ? 0 : in[0];
in += pitch;
}
in -= backstep;
}
}
break;
case 6: // RGB + Alpha
pitch = Width * 4;
backstep = Height * pitch - 4;
for (x = Width; x > 0; --x)
{
for (y = Height; y > 0; --y)
{
*out++ = in[3] < 128 ? 0 : RGB256k.RGB[in[0]>>2][in[1]>>2][in[2]>>2];
in += pitch;
}
in -= backstep;
}
break;
}
delete[] tempix;
}
bool CSoundFile::ReadITQ(FileReader &file, ModLoadingFlags loadFlags)
//------------------------------------------------------------------
{
file.Rewind();
ITFileHeader fileHeader;
if(!file.ReadConvertEndianness(fileHeader)
|| (memcmp(fileHeader.id, "ITQM", 4))
|| fileHeader.insnum > 0xFF
|| fileHeader.smpnum >= MAX_SAMPLES
|| !file.CanRead(fileHeader.ordnum + (fileHeader.insnum + fileHeader.smpnum + fileHeader.patnum) * 4))
{
return false;
} else if(loadFlags == onlyVerifyHeader)
{
return true;
}
InitializeGlobals();
bool interpretModPlugMade = false;
// OpenMPT crap at the end of file
file.Seek(file.GetLength() - 4);
size_t mptStartPos = file.ReadUint32LE();
if(mptStartPos >= file.GetLength() || mptStartPos < 0x100)
{
mptStartPos = file.GetLength();
}
if(!memcmp(fileHeader.id, "tpm.", 4))
{
// Legacy MPTM files (old 1.17.02.xx releases)
ChangeModTypeTo(MOD_TYPE_MPT);
} else
{
if(mptStartPos <= file.GetLength() - 3 && fileHeader.cwtv > 0x888 && fileHeader.cwtv <= 0xFFF)
{
file.Seek(mptStartPos);
ChangeModTypeTo(file.ReadMagic("228") ? MOD_TYPE_MPT : MOD_TYPE_IT);
} else
{
ChangeModTypeTo(MOD_TYPE_IT);
}
if(GetType() == MOD_TYPE_IT)
{
// Which tracker was used to made this?
if((fileHeader.cwtv & 0xF000) == 0x5000)
{
// OpenMPT Version number (Major.Minor)
// This will only be interpreted as "made with ModPlug" (i.e. disable compatible playback etc) if the "reserved" field is set to "OMPT" - else, compatibility was used.
m_dwLastSavedWithVersion = (fileHeader.cwtv & 0x0FFF) << 16;
if(!memcmp(fileHeader.reserved, "OMPT", 4))
interpretModPlugMade = true;
} else if(fileHeader.cmwt == 0x888 || fileHeader.cwtv == 0x888)
{
// OpenMPT 1.17 and 1.18 (raped IT format)
// Exact version number will be determined later.
interpretModPlugMade = true;
} else if(fileHeader.cwtv == 0x0217 && fileHeader.cmwt == 0x0200 && !memcmp(fileHeader.reserved, "\0\0\0\0", 4))
{
if(memchr(fileHeader.chnpan, 0xFF, sizeof(fileHeader.chnpan)) != NULL)
{
// ModPlug Tracker 1.16 (semi-raped IT format)
m_dwLastSavedWithVersion = MAKE_VERSION_NUMERIC(1, 16, 00, 00);
madeWithTracker = "ModPlug tracker 1.09 - 1.16";
} else
{
// OpenMPT 1.17 disguised as this in compatible mode,
// but never writes 0xFF in the pan map for unused channels (which is an invalid value).
m_dwLastSavedWithVersion = MAKE_VERSION_NUMERIC(1, 17, 00, 00);
madeWithTracker = "OpenMPT 1.17 (compatibility export)";
}
interpretModPlugMade = true;
} else if(fileHeader.cwtv == 0x0214 && fileHeader.cmwt == 0x0202 && !memcmp(fileHeader.reserved, "\0\0\0\0", 4))
{
// ModPlug Tracker b3.3 - 1.09, instruments 557 bytes apart
m_dwLastSavedWithVersion = MAKE_VERSION_NUMERIC(1, 09, 00, 00);
madeWithTracker = "ModPlug tracker b3.3 - 1.09";
interpretModPlugMade = true;
}
} else // case: type == MOD_TYPE_MPT
{
if (fileHeader.cwtv >= verMptFileVerLoadLimit)
{
AddToLog(str_LoadingIncompatibleVersion);
return false;
}
else if (fileHeader.cwtv > verMptFileVer)
{
AddToLog(str_LoadingMoreRecentVersion);
}
}
}
if(GetType() == MOD_TYPE_IT) mptStartPos = file.GetLength();
// Read row highlights
if((fileHeader.special & ITFileHeader::embedPatternHighlights))
{
// MPT 1.09, 1.07 and most likely other old MPT versions leave this blank (0/0), but have the "special" flag set.
// Newer versions of MPT and OpenMPT 1.17 *always* write 4/16 here.
// Thus, we will just ignore those old versions.
if(m_dwLastSavedWithVersion == 0 || m_dwLastSavedWithVersion >= MAKE_VERSION_NUMERIC(1, 17, 03, 02))
{
m_nDefaultRowsPerBeat = fileHeader.highlight_minor;
m_nDefaultRowsPerMeasure = fileHeader.highlight_major;
}
#ifdef _DEBUG
if((fileHeader.highlight_minor | fileHeader.highlight_major) == 0)
{
Log("IT Header: Row highlight is 0");
}
#endif
}
m_SongFlags.set(SONG_LINEARSLIDES, (fileHeader.flags & ITFileHeader::linearSlides) != 0);
m_SongFlags.set(SONG_ITOLDEFFECTS, (fileHeader.flags & ITFileHeader::itOldEffects) != 0);
m_SongFlags.set(SONG_ITCOMPATGXX, (fileHeader.flags & ITFileHeader::itCompatGxx) != 0);
m_SongFlags.set(SONG_EMBEDMIDICFG, (fileHeader.flags & ITFileHeader::reqEmbeddedMIDIConfig) || (fileHeader.special & ITFileHeader::embedMIDIConfiguration));
m_SongFlags.set(SONG_EXFILTERRANGE, (fileHeader.flags & ITFileHeader::extendedFilterRange) != 0);
mpt::String::Read<mpt::String::spacePadded>(songName, fileHeader.songname);
// Global Volume
m_nDefaultGlobalVolume = fileHeader.globalvol << 1;
if(m_nDefaultGlobalVolume > MAX_GLOBAL_VOLUME) m_nDefaultGlobalVolume = MAX_GLOBAL_VOLUME;
if(fileHeader.speed) m_nDefaultSpeed = fileHeader.speed;
m_nDefaultTempo = std::max(uint8(32), fileHeader.tempo); // Tempo 31 is possible. due to conflicts with the rest of the engine, let's just clamp it to 32.
m_nSamplePreAmp = std::min(fileHeader.mv, uint8(128));
// Reading Channels Pan Positions
for(CHANNELINDEX i = 0; i < 64; i++) if(fileHeader.chnpan[i] != 0xFF)
{
ChnSettings[i].Reset();
ChnSettings[i].nVolume = Clamp(fileHeader.chnvol[i], uint8(0), uint8(64));
if(fileHeader.chnpan[i] & 0x80) ChnSettings[i].dwFlags.set(CHN_MUTE);
uint8 n = fileHeader.chnpan[i] & 0x7F;
if(n <= 64) ChnSettings[i].nPan = n * 4;
if(n == 100) ChnSettings[i].dwFlags.set(CHN_SURROUND);
}
// Reading orders
file.Seek(sizeof(ITFileHeader));
if(GetType() == MOD_TYPE_IT)
{
Order.ReadAsByte(file, fileHeader.ordnum);
} else
{
if(fileHeader.cwtv > 0x88A && fileHeader.cwtv <= 0x88D)
{
Order.Deserialize(file);
} else
{
Order.ReadAsByte(file, fileHeader.ordnum);
// Replacing 0xFF and 0xFE with new corresponding indexes
Order.Replace(0xFE, Order.GetIgnoreIndex());
Order.Replace(0xFF, Order.GetInvalidPatIndex());
}
}
// Reading instrument, sample and pattern offsets
std::vector<uint32> insPos, smpPos, patPos;
file.ReadVectorLE(insPos, fileHeader.insnum);
file.ReadVectorLE(smpPos, fileHeader.smpnum);
file.ReadVectorLE(patPos, fileHeader.patnum);
// Find the first parapointer.
// This is used for finding out whether the edit history is actually stored in the file or not,
// as some early versions of Schism Tracker set the history flag, but didn't save anything.
// We will consider the history invalid if it ends after the first parapointer.
uint32 minPtr = Util::MaxValueOfType(minPtr);
for(uint16 n = 0; n < fileHeader.insnum; n++)
{
if(insPos[n] > 0)
{
minPtr = std::min(minPtr, insPos[n]);
}
}
for(uint16 n = 0; n < fileHeader.smpnum; n++)
{
if(smpPos[n] > 0)
{
minPtr = std::min(minPtr, smpPos[n]);
}
}
for(uint16 n = 0; n < fileHeader.patnum; n++)
{
if(patPos[n] > 0)
{
minPtr = std::min(minPtr, patPos[n]);
}
}
if(fileHeader.special & ITFileHeader::embedSongMessage)
{
minPtr = std::min(minPtr, fileHeader.msgoffset);
}
// Reading IT Edit History Info
// This is only supposed to be present if bit 1 of the special flags is set.
// However, old versions of Schism and probably other trackers always set this bit
// even if they don't write the edit history count. So we have to filter this out...
// This is done by looking at the parapointers. If the history data end after
// the first parapointer, we assume that it's actually no history data.
if(fileHeader.special & ITFileHeader::embedEditHistory)
{
const uint16 nflt = file.ReadUint16LE();
if(file.CanRead(nflt * sizeof(ITHistoryStruct)) && file.GetPosition() + nflt * sizeof(ITHistoryStruct) <= minPtr)
{
m_FileHistory.reserve(nflt);
for(size_t n = 0; n < nflt; n++)
{
FileHistory mptHistory;
ITHistoryStruct itHistory;
file.ReadConvertEndianness(itHistory);
itHistory.ConvertToMPT(mptHistory);
m_FileHistory.push_back(mptHistory);
}
} else
{
// Oops, we were not supposed to read this.
file.SkipBack(2);
}
} else if(fileHeader.highlight_major == 0 && fileHeader.highlight_minor == 0 && fileHeader.cmwt == 0x0214 && fileHeader.cwtv == 0x0214 && !memcmp(fileHeader.reserved, "\0\0\0\0", 4) && (fileHeader.special & (ITFileHeader::embedEditHistory | ITFileHeader::embedPatternHighlights)) == 0)
{
// Another non-conforming application is unmo3 < v2.4.0.1, which doesn't set the special bit
// at all, but still writes the two edit history length bytes (zeroes)...
if(file.ReadUint16LE() != 0)
{
// These were not zero bytes -> We're in the wrong place!
file.SkipBack(2);
madeWithTracker = "UNMO3";
}
}
// Reading MIDI Output & Macros
if(m_SongFlags[SONG_EMBEDMIDICFG] && file.Read(m_MidiCfg))
{
m_MidiCfg.Sanitize();
}
// Ignore MIDI data. Fixes some files like denonde.it that were made with old versions of Impulse Tracker (which didn't support Zxx filters) and have Zxx effects in the patterns.
if(fileHeader.cwtv < 0x0214)
{
MemsetZero(m_MidiCfg.szMidiSFXExt);
MemsetZero(m_MidiCfg.szMidiZXXExt);
m_SongFlags.set(SONG_EMBEDMIDICFG);
}
if(file.ReadMagic("MODU"))
{
madeWithTracker = "BeRoTracker";
}
// Read pattern names: "PNAM"
FileReader patNames;
if(file.ReadMagic("PNAM"))
{
patNames = file.GetChunk(file.ReadUint32LE());
}
m_nChannels = GetModSpecifications().channelsMin;
// Read channel names: "CNAM"
if(file.ReadMagic("CNAM"))
{
FileReader chnNames = file.GetChunk(file.ReadUint32LE());
const CHANNELINDEX readChns = std::min(MAX_BASECHANNELS, static_cast<CHANNELINDEX>(chnNames.GetLength() / MAX_CHANNELNAME));
m_nChannels = readChns;
for(CHANNELINDEX i = 0; i < readChns; i++)
{
chnNames.ReadString<mpt::String::maybeNullTerminated>(ChnSettings[i].szName, MAX_CHANNELNAME);
}
}
// Read mix plugins information
if(file.CanRead(9))
{
LoadMixPlugins(file);
}
// Read Song Message
if(fileHeader.special & ITFileHeader::embedSongMessage)
{
if(fileHeader.msglength > 0 && file.Seek(fileHeader.msgoffset))
{
// Generally, IT files should use CR for line endings. However, ChibiTracker uses LF. One could do...
// if(itHeader.cwtv == 0x0214 && itHeader.cmwt == 0x0214 && itHeader.reserved == ITFileHeader::chibiMagic) --> Chibi detected.
// But we'll just use autodetection here:
songMessage.Read(file, fileHeader.msglength, SongMessage::leAutodetect);
}
}
// Reading Instruments
m_nInstruments = 0;
if(fileHeader.flags & ITFileHeader::instrumentMode)
{
m_nInstruments = std::min(fileHeader.insnum, INSTRUMENTINDEX(MAX_INSTRUMENTS - 1));
}
for(INSTRUMENTINDEX i = 0; i < GetNumInstruments(); i++)
{
if(insPos[i] > 0 && file.Seek(insPos[i]) && file.CanRead(fileHeader.cmwt < 0x200 ? sizeof(ITOldInstrument) : sizeof(ITInstrument)))
{
ModInstrument *instrument = AllocateInstrument(i + 1);
if(instrument != nullptr)
{
ITInstrToMPT(file, *instrument, fileHeader.cmwt);
// MIDI Pitch Wheel Depth is a global setting in IT. Apply it to all instruments.
instrument->midiPWD = fileHeader.pwd;
}
}
}
// In order to properly compute the position, in file, of eventual extended settings
// such as "attack" we need to keep the "real" size of the last sample as those extra
// setting will follow this sample in the file
FileReader::off_t lastSampleOffset = 0;
if(fileHeader.smpnum > 0)
{
lastSampleOffset = smpPos[fileHeader.smpnum - 1] + sizeof(ITSample);
}
//// #ITQ
// Reading Samples
m_nSamples = std::min(fileHeader.smpnum, SAMPLEINDEX(MAX_SAMPLES - 1));
size_t nbytes = 0; // size of sample data in file
for(SAMPLEINDEX i = 0; i < GetNumSamples(); i++)
{
ITQSample sampleHeader;
if(smpPos[i] > 0 && file.Seek(smpPos[i]) && file.ReadConvertEndianness(sampleHeader))
{
if(!memcmp(sampleHeader.id, "ITQS", 4))
{
size_t sampleOffset = sampleHeader.ConvertToMPT(Samples[i + 1]);
mpt::String::Read<mpt::String::spacePadded>(m_szNames[i + 1], sampleHeader.name);
if((loadFlags & loadSampleData) && file.Seek(sampleOffset))
{
Samples[i+1].originalSize = sampleHeader.nbytes;
sampleHeader.GetSampleFormatITQ(fileHeader.cwtv).ReadSample(Samples[i + 1], file);
lastSampleOffset = std::max(lastSampleOffset, file.GetPosition());
}
}
}
}
m_nSamples = std::max(SAMPLEINDEX(1), GetNumSamples());
m_nMinPeriod = 8;
m_nMaxPeriod = 0xF000;
PATTERNINDEX numPats = std::min(static_cast<PATTERNINDEX>(patPos.size()), GetModSpecifications().patternsMax);
if(numPats != patPos.size())
{
// Hack: Notify user here if file contains more patterns than what can be read.
AddToLog(mpt::String::Print(str_PatternSetTruncationNote, patPos.size(), numPats));
}
if(!(loadFlags & loadPatternData))
{
numPats = 0;
}
// Checking for number of used channels, which is not explicitely specified in the file.
for(PATTERNINDEX pat = 0; pat < numPats; pat++)
{
if(patPos[pat] == 0 || !file.Seek(patPos[pat]))
continue;
uint16 len = file.ReadUint16LE();
ROWINDEX numRows = file.ReadUint16LE();
if(numRows < GetModSpecifications().patternRowsMin
|| numRows > GetModSpecifications().patternRowsMax
|| !file.Skip(4))
continue;
FileReader patternData = file.GetChunk(len);
ROWINDEX row = 0;
std::vector<uint8> chnMask(GetNumChannels());
while(row < numRows && patternData.AreBytesLeft())
{
uint8 b = patternData.ReadUint8();
if(!b)
{
row++;
continue;
}
CHANNELINDEX ch = (b & IT_bitmask_patternChanField_c); // 0x7f We have some data grab a byte keeping only 7 bits
if(ch)
{
ch = (ch - 1);// & IT_bitmask_patternChanMask_c; // 0x3f mask of the byte again, keeping only 6 bits
}
if(ch >= chnMask.size())
{
chnMask.resize(ch + 1, 0);
}
if(b & IT_bitmask_patternChanEnabled_c) // 0x80 check if the upper bit is enabled.
{
chnMask[ch] = patternData.ReadUint8(); // set the channel mask for this channel.
}
// Channel used
if(chnMask[ch] & 0x0F) // if this channel is used set m_nChannels
{
if(ch >= GetNumChannels() && ch < MAX_BASECHANNELS)
{
m_nChannels = ch + 1;
}
}
// Now we actually update the pattern-row entry the note,instrument etc.
// Note
if(chnMask[ch] & 1) patternData.Skip(1);
// Instrument
if(chnMask[ch] & 2) patternData.Skip(1);
// Volume
if(chnMask[ch] & 4) patternData.Skip(1);
// Effect
if(chnMask[ch] & 8) patternData.Skip(2);
}
}
// Compute extra instruments settings position
if(lastSampleOffset > 0)
{
file.Seek(lastSampleOffset);
}
// Load instrument and song extensions.
LoadExtendedInstrumentProperties(file, &interpretModPlugMade);
if(interpretModPlugMade)
{
m_nMixLevels = mixLevels_original;
}
// We need to do this here, because if there no samples (so lastSampleOffset = 0), we need to look after the last pattern (sample data normally follows pattern data).
// And we need to do this before reading the patterns because m_nChannels might be modified by LoadExtendedSongProperties. *sigh*
LoadExtendedSongProperties(GetType(), file, &interpretModPlugMade);
m_nTempoMode = tempo_mode_modern;
// Reading Patterns
Patterns.ResizeArray(std::max(MAX_PATTERNS, numPats));
for(PATTERNINDEX pat = 0; pat < numPats; pat++)
{
if(patPos[pat] == 0 || !file.Seek(patPos[pat]))
{
// Empty 64-row pattern
if(Patterns.Insert(pat, 64))
{
AddToLog(mpt::String::Print("Allocating patterns failed starting from pattern %1", pat));
break;
}
// Now (after the Insert() call), we can read the pattern name.
CopyPatternName(Patterns[pat], patNames);
continue;
}
uint16 len = file.ReadUint16LE();
ROWINDEX numRows = file.ReadUint16LE();
if(numRows < GetModSpecifications().patternRowsMin
|| numRows > GetModSpecifications().patternRowsMax
|| !file.Skip(4)
|| Patterns.Insert(pat, numRows))
continue;
FileReader patternData = file.GetChunk(len);
// Now (after the Insert() call), we can read the pattern name.
CopyPatternName(Patterns[pat], patNames);
std::vector<uint8> chnMask(GetNumChannels());
std::vector<ModCommand> lastValue(GetNumChannels(), ModCommand::Empty());
ModCommand *m = Patterns[pat];
ROWINDEX row = 0;
while(row < numRows && patternData.AreBytesLeft())
{
uint8 b = patternData.ReadUint8();
if(!b)
{
row++;
m += GetNumChannels();
continue;
}
CHANNELINDEX ch = b & IT_bitmask_patternChanField_c; // 0x7f
if(ch)
{
ch = (ch - 1); //& IT_bitmask_patternChanMask_c; // 0x3f
}
if(ch >= chnMask.size())
{
chnMask.resize(ch + 1, 0);
lastValue.resize(ch + 1, ModCommand::Empty());
ASSERT(chnMask.size() <= GetNumChannels());
}
if(b & IT_bitmask_patternChanEnabled_c) // 0x80
{
chnMask[ch] = patternData.ReadUint8();
}
// Now we grab the data for this particular row/channel.
if((chnMask[ch] & 0x10) && (ch < m_nChannels))
{
m[ch].note = lastValue[ch].note;
}
if((chnMask[ch] & 0x20) && (ch < m_nChannels))
{
m[ch].instr = lastValue[ch].instr;
}
if((chnMask[ch] & 0x40) && (ch < m_nChannels))
{
m[ch].volcmd = lastValue[ch].volcmd;
m[ch].vol = lastValue[ch].vol;
}
if((chnMask[ch] & 0x80) && (ch < m_nChannels))
{
m[ch].command = lastValue[ch].command;
m[ch].param = lastValue[ch].param;
}
if(chnMask[ch] & 1) // Note
{
uint8 note = patternData.ReadUint8();
if(ch < m_nChannels)
{
if(note < 0x80) note++;
if(!(GetType() & MOD_TYPE_MPT))
{
if(note > NOTE_MAX && note < 0xFD) note = NOTE_FADE;
else if(note == 0xFD) note = NOTE_NONE;
}
m[ch].note = note;
lastValue[ch].note = note;
}
}
if(chnMask[ch] & 2)
{
uint8 instr = patternData.ReadUint8();
if(ch < m_nChannels)
{
m[ch].instr = instr;
lastValue[ch].instr = instr;
}
}
if(chnMask[ch] & 4)
{
uint8 vol = patternData.ReadUint8();
if(ch < m_nChannels)
{
// 0-64: Set Volume
if(vol <= 64) { m[ch].volcmd = VOLCMD_VOLUME; m[ch].vol = vol; } else
// 128-192: Set Panning
if(vol >= 128 && vol <= 192) { m[ch].volcmd = VOLCMD_PANNING; m[ch].vol = vol - 128; } else
// 65-74: Fine Volume Up
if(vol < 75) { m[ch].volcmd = VOLCMD_FINEVOLUP; m[ch].vol = vol - 65; } else
// 75-84: Fine Volume Down
if(vol < 85) { m[ch].volcmd = VOLCMD_FINEVOLDOWN; m[ch].vol = vol - 75; } else
// 85-94: Volume Slide Up
if(vol < 95) { m[ch].volcmd = VOLCMD_VOLSLIDEUP; m[ch].vol = vol - 85; } else
// 95-104: Volume Slide Down
if(vol < 105) { m[ch].volcmd = VOLCMD_VOLSLIDEDOWN; m[ch].vol = vol - 95; } else
// 105-114: Pitch Slide Up
if(vol < 115) { m[ch].volcmd = VOLCMD_PORTADOWN; m[ch].vol = vol - 105; } else
// 115-124: Pitch Slide Down
if(vol < 125) { m[ch].volcmd = VOLCMD_PORTAUP; m[ch].vol = vol - 115; } else
// 193-202: Portamento To
if(vol >= 193 && vol <= 202) { m[ch].volcmd = VOLCMD_TONEPORTAMENTO; m[ch].vol = vol - 193; } else
// 203-212: Vibrato depth
if(vol >= 203 && vol <= 212)
{
m[ch].volcmd = VOLCMD_VIBRATODEPTH; m[ch].vol = vol - 203;
// Old versions of ModPlug saved this as vibrato speed instead, so let's fix that.
if(m[ch].vol && m_dwLastSavedWithVersion && m_dwLastSavedWithVersion <= MAKE_VERSION_NUMERIC(1, 17, 02, 54))
m[ch].volcmd = VOLCMD_VIBRATOSPEED;
} else
// 213-222: Unused (was velocity)
// 223-232: Offset
if(vol >= 223 && vol <= 232) { m[ch].volcmd = VOLCMD_OFFSET; m[ch].vol = vol - 223; }
lastValue[ch].volcmd = m[ch].volcmd;
lastValue[ch].vol = m[ch].vol;
}
}
// Reading command/param
if(chnMask[ch] & 8)
{
uint8 cmd = patternData.ReadUint8();
uint8 param = patternData.ReadUint8();
if(ch < m_nChannels)
{
if(cmd)
{
m[ch].command = cmd;
m[ch].param = param;
S3MConvert(m[ch], true);
lastValue[ch].command = m[ch].command;
lastValue[ch].param = m[ch].param;
}
}
}
}
}
UpgradeModFlags();
if(!m_dwLastSavedWithVersion && fileHeader.cwtv == 0x0888)
{
// There are some files with OpenMPT extensions, but the "last saved with" field contains 0.
// Was there an OpenMPT version that wrote 0 there, or are they hacked?
m_dwLastSavedWithVersion = MAKE_VERSION_NUMERIC(1, 17, 00, 00);
}
if(m_dwLastSavedWithVersion && madeWithTracker.empty())
{
madeWithTracker = "OpenMPT " + MptVersion::ToStr(m_dwLastSavedWithVersion);
if(memcmp(fileHeader.reserved, "OMPT", 4) && (fileHeader.cwtv & 0xF000) == 0x5000)
{
madeWithTracker += " (compatibility export)";
} else if(MptVersion::IsTestBuild(m_dwLastSavedWithVersion))
{
madeWithTracker += " (test build)";
}
} else
{
switch(fileHeader.cwtv >> 12)
{
case 0:
if(!madeWithTracker.empty())
{
// BeRoTracker has been detected above.
} else if(fileHeader.cwtv == 0x0214 && fileHeader.cmwt == 0x0200 && fileHeader.flags == 9 && fileHeader.special == 0
&& fileHeader.highlight_major == 0 && fileHeader.highlight_minor == 0
&& fileHeader.insnum == 0 && fileHeader.patnum + 1 == fileHeader.ordnum
&& fileHeader.globalvol == 128 && fileHeader.mv == 100 && fileHeader.speed == 1 && fileHeader.sep == 128 && fileHeader.pwd == 0
&& fileHeader.msglength == 0 && fileHeader.msgoffset == 0 && !memcmp(fileHeader.reserved, "\0\0\0\0", 4))
{
madeWithTracker = "OpenSPC conversion";
} else if(fileHeader.cwtv == 0x0214 && fileHeader.cmwt == 0x0200 && !memcmp(fileHeader.reserved, "\0\0\0\0", 4))
{
// ModPlug Tracker 1.00a5, instruments 560 bytes apart
m_dwLastSavedWithVersion = MAKE_VERSION_NUMERIC(1, 00, 00, A5);
madeWithTracker = "ModPlug tracker 1.00a5";
interpretModPlugMade = true;
} else if(fileHeader.cwtv == 0x0214 && fileHeader.cmwt == 0x0214 && !memcmp(fileHeader.reserved, "CHBI", 4))
{
madeWithTracker = "ChibiTracker";
} else if(fileHeader.cwtv == 0x0214 && fileHeader.cmwt == 0x0214 && !(fileHeader.special & 3) && !memcmp(fileHeader.reserved, "\0\0\0\0", 4) && !strcmp(Samples[1].filename, "XXXXXXXX.YYY"))
{
madeWithTracker = "CheeseTracker";
} else
{
if(fileHeader.cmwt > 0x0214)
{
madeWithTracker = "Impulse Tracker 2.15";
} else if(fileHeader.cwtv > 0x0214)
{
// Patched update of IT 2.14 (0x0215 - 0x0217 == p1 - p3)
// p4 (as found on modland) adds the ITVSOUND driver, but doesn't seem to change
// anything as far as file saving is concerned.
madeWithTracker = mpt::String::Print("Impulse Tracker 2.14p%1", fileHeader.cwtv - 0x0214);
} else
{
madeWithTracker = mpt::String::Print("Impulse Tracker %1.%2", (fileHeader.cwtv & 0x0F00) >> 8, mpt::fmt::hex0<2>((fileHeader.cwtv & 0xFF)));
}
}
break;
case 1:
madeWithTracker = GetSchismTrackerVersion(fileHeader.cwtv);
break;
case 6:
madeWithTracker = "BeRoTracker";
break;
case 7:
madeWithTracker = mpt::String::Print("ITMCK %1.%2.%3", (fileHeader.cwtv >> 8) & 0x0F, (fileHeader.cwtv >> 4) & 0x0F, fileHeader.cwtv & 0x0F);
break;
}
}
if(GetType() == MOD_TYPE_IT)
{
// Set appropriate mod flags if the file was not made with MPT.
if(!interpretModPlugMade)
{
SetModFlag(MSF_MIDICC_BUGEMULATION, false);
SetModFlag(MSF_OLDVOLSWING, false);
SetModFlag(MSF_COMPATIBLE_PLAY, true);
}
} else
{
//START - mpt specific:
//Using member cwtv on pifh as the version number.
const uint16 version = fileHeader.cwtv;
if(version > 0x889 && file.Seek(mptStartPos))
{
std::istringstream iStrm(std::string(file.GetRawData(), file.BytesLeft()));
if(version >= 0x88D)
{
srlztn::SsbRead ssb(iStrm);
ssb.BeginRead("mptm", MptVersion::num);
ssb.ReadItem(GetTuneSpecificTunings(), "0", 1, &ReadTuningCollection);
ssb.ReadItem(*this, "1", 1, &ReadTuningMap);
ssb.ReadItem(Order, "2", 1, &ReadModSequenceOld);
ssb.ReadItem(Patterns, FileIdPatterns, strlen(FileIdPatterns), &ReadModPatterns);
ssb.ReadItem(Order, FileIdSequences, strlen(FileIdSequences), &ReadModSequences);
if(ssb.m_Status & srlztn::SNT_FAILURE)
{
AddToLog("Unknown error occured while deserializing file.");
}
} else //Loading for older files.
{
if(GetTuneSpecificTunings().Deserialize(iStrm))
{
AddToLog("Error occured - loading failed while trying to load tune specific tunings.");
} else
{
ReadTuningMap(iStrm, *this);
}
}
} //version condition(MPT)
}
return true;
}
void FWadCollection::AddFile (const char *filename, FileReader *wadinfo)
{
int startlump;
bool isdir = false;
if (wadinfo == NULL)
{
// Does this exist? If so, is it a directory?
if (!DirEntryExists(filename, &isdir))
{
Printf(TEXTCOLOR_RED "%s: File or Directory not found\n", filename);
PrintLastError();
return;
}
if (!isdir)
{
try
{
wadinfo = new FileReader(filename);
}
catch (CRecoverableError &err)
{ // Didn't find file
Printf (TEXTCOLOR_RED "%s\n", err.GetMessage());
PrintLastError ();
return;
}
}
}
if (!batchrun) Printf (" adding %s", filename);
startlump = NumLumps;
FResourceFile *resfile;
if (!isdir)
resfile = FResourceFile::OpenResourceFile(filename, wadinfo);
else
resfile = FResourceFile::OpenDirectory(filename);
if (resfile != NULL)
{
uint32_t lumpstart = LumpInfo.Size();
resfile->SetFirstLump(lumpstart);
for (uint32_t i=0; i < resfile->LumpCount(); i++)
{
FResourceLump *lump = resfile->GetLump(i);
FWadCollection::LumpRecord *lump_p = &LumpInfo[LumpInfo.Reserve(1)];
lump_p->lump = lump;
lump_p->wadnum = Files.Size();
}
if (static_cast<int>(Files.Size()) == GetIwadNum() && gameinfo.gametype == GAME_Strife && gameinfo.flags & GI_SHAREWARE)
{
resfile->FindStrifeTeaserVoices();
}
Files.Push(resfile);
for (uint32_t i=0; i < resfile->LumpCount(); i++)
{
FResourceLump *lump = resfile->GetLump(i);
if (lump->Flags & LUMPF_EMBEDDED)
{
FString path;
path.Format("%s:%s", filename, lump->FullName.GetChars());
FileReader *embedded = lump->NewReader();
AddFile(path, embedded);
}
}
if (hashfile)
{
uint8_t cksum[16];
char cksumout[33];
memset(cksumout, 0, sizeof(cksumout));
FileReader *reader = wadinfo;
if (reader != NULL)
{
MD5Context md5;
reader->Seek(0, SEEK_SET);
md5.Update(reader, reader->GetLength());
md5.Final(cksum);
for (size_t j = 0; j < sizeof(cksum); ++j)
{
sprintf(cksumout + (j * 2), "%02X", cksum[j]);
}
fprintf(hashfile, "file: %s, hash: %s, size: %ld\n", filename, cksumout, reader->GetLength());
}
else
fprintf(hashfile, "file: %s, Directory structure\n", filename);
for (uint32_t i = 0; i < resfile->LumpCount(); i++)
{
FResourceLump *lump = resfile->GetLump(i);
if (!(lump->Flags & LUMPF_EMBEDDED))
{
reader = lump->NewReader();
MD5Context md5;
md5.Update(reader, lump->LumpSize);
md5.Final(cksum);
for (size_t j = 0; j < sizeof(cksum); ++j)
{
sprintf(cksumout + (j * 2), "%02X", cksum[j]);
}
fprintf(hashfile, "file: %s, lump: %s, hash: %s, size: %d\n", filename,
lump->FullName.IsNotEmpty() ? lump->FullName.GetChars() : lump->Name,
cksumout, lump->LumpSize);
delete reader;
}
}
}
return;
}
}
void FSavegameManager::ReadSaveStrings()
{
if (SaveGames.Size() == 0)
{
void *filefirst;
findstate_t c_file;
FString filter;
LastSaved = LastAccessed = -1;
quickSaveSlot = nullptr;
filter = G_BuildSaveName("*." SAVEGAME_EXT, -1);
filefirst = I_FindFirst(filter.GetChars(), &c_file);
if (filefirst != ((void *)(-1)))
{
do
{
// I_FindName only returns the file's name and not its full path
FString filepath = G_BuildSaveName(I_FindName(&c_file), -1);
FResourceFile *savegame = FResourceFile::OpenResourceFile(filepath, true, true);
if (savegame != nullptr)
{
bool oldVer = false;
bool missing = false;
FResourceLump *info = savegame->FindLump("info.json");
if (info == nullptr)
{
// savegame info not found. This is not a savegame so leave it alone.
delete savegame;
continue;
}
void *data = info->CacheLump();
FSerializer arc(nullptr);
if (arc.OpenReader((const char *)data, info->LumpSize))
{
int savever = 0;
arc("Save Version", savever);
FString engine = arc.GetString("Engine");
FString iwad = arc.GetString("Game WAD");
FString title = arc.GetString("Title");
if (engine.Compare(GAMESIG) != 0 || savever > SAVEVER)
{
// different engine or newer version:
// not our business. Leave it alone.
delete savegame;
continue;
}
if (savever < MINSAVEVER)
{
// old, incompatible savegame. List as not usable.
oldVer = true;
}
else if (iwad.CompareNoCase(Wads.GetWadName(Wads.GetIwadNum())) == 0)
{
missing = !G_CheckSaveGameWads(arc, false);
}
else
{
// different game. Skip this.
delete savegame;
continue;
}
FSaveGameNode *node = new FSaveGameNode;
node->Filename = filepath;
node->bOldVersion = oldVer;
node->bMissingWads = missing;
node->SaveTitle = title;
InsertSaveNode(node);
delete savegame;
}
}
else // check for old formats.
{
FileReader file;
if (file.OpenFile(filepath))
{
PNGHandle *png;
char sig[16];
char title[OLDSAVESTRINGSIZE + 1];
bool oldVer = true;
bool addIt = false;
bool missing = false;
// ZDoom 1.23 betas 21-33 have the savesig first.
// Earlier versions have the savesig second.
// Later versions have the savegame encapsulated inside a PNG.
//
// Old savegame versions are always added to the menu so
// the user can easily delete them if desired.
title[OLDSAVESTRINGSIZE] = 0;
if (nullptr != (png = M_VerifyPNG(file)))
{
char *ver = M_GetPNGText(png, "ZDoom Save Version");
if (ver != nullptr)
{
// An old version
if (!M_GetPNGText(png, "Title", title, OLDSAVESTRINGSIZE))
{
strncpy(title, I_FindName(&c_file), OLDSAVESTRINGSIZE);
}
addIt = true;
delete[] ver;
}
delete png;
}
else
{
file.Seek(0, FileReader::SeekSet);
if (file.Read(sig, 16) == 16)
{
if (strncmp(sig, "ZDOOMSAVE", 9) == 0)
{
if (file.Read(title, OLDSAVESTRINGSIZE) == OLDSAVESTRINGSIZE)
{
addIt = true;
}
}
else
{
memcpy(title, sig, 16);
if (file.Read(title + 16, OLDSAVESTRINGSIZE - 16) == OLDSAVESTRINGSIZE - 16 &&
file.Read(sig, 16) == 16 &&
strncmp(sig, "ZDOOMSAVE", 9) == 0)
{
addIt = true;
}
}
}
}
if (addIt)
{
FSaveGameNode *node = new FSaveGameNode;
node->Filename = filepath;
node->bOldVersion = true;
node->bMissingWads = false;
node->SaveTitle = title;
InsertSaveNode(node);
}
}
}
} while (I_FindNext(filefirst, &c_file) == 0);
I_FindClose(filefirst);
}
}
}
MapData *P_OpenMapData(const char * mapname, bool justcheck)
{
MapData * map = new MapData;
FileReader * wadReader = nullptr;
bool externalfile = !strnicmp(mapname, "file:", 5);
if (externalfile)
{
mapname += 5;
if (!FileExists(mapname))
{
delete map;
return NULL;
}
map->resource = FResourceFile::OpenResourceFile(mapname, true);
wadReader = map->resource->GetReader();
}
else
{
FString fmt;
int lump_wad;
int lump_map;
int lump_name = -1;
// Check for both *.wad and *.map in order to load Build maps
// as well. The higher one will take precedence.
// Names with more than 8 characters will only be checked as .wad and .map.
if (strlen(mapname) <= 8) lump_name = Wads.CheckNumForName(mapname);
fmt.Format("maps/%s.wad", mapname);
lump_wad = Wads.CheckNumForFullName(fmt);
fmt.Format("maps/%s.map", mapname);
lump_map = Wads.CheckNumForFullName(fmt);
if (lump_name > lump_wad && lump_name > lump_map && lump_name != -1)
{
int lumpfile = Wads.GetLumpFile(lump_name);
int nextfile = Wads.GetLumpFile(lump_name+1);
map->lumpnum = lump_name;
if (lumpfile != nextfile)
{
// The following lump is from a different file so whatever this is,
// it is not a multi-lump Doom level so let's assume it is a Build map.
map->MapLumps[0].Reader = Wads.ReopenLumpReader(lump_name);
if (!P_IsBuildMap(map))
{
delete map;
return NULL;
}
return map;
}
// This case can only happen if the lump is inside a real WAD file.
// As such any special handling for other types of lumps is skipped.
map->MapLumps[0].Reader = Wads.ReopenLumpReader(lump_name);
strncpy(map->MapLumps[0].Name, Wads.GetLumpFullName(lump_name), 8);
map->Encrypted = Wads.IsEncryptedFile(lump_name);
map->InWad = true;
if (map->Encrypted)
{ // If it's encrypted, then it's a Blood file, presumably a map.
if (!P_IsBuildMap(map))
{
delete map;
return NULL;
}
return map;
}
int index = 0;
if (stricmp(Wads.GetLumpFullName(lump_name + 1), "TEXTMAP") != 0)
{
for(int i = 1;; i++)
{
// Since levels must be stored in WADs they can't really have full
// names and for any valid level lump this always returns the short name.
const char * lumpname = Wads.GetLumpFullName(lump_name + i);
try
{
index = GetMapIndex(mapname, index, lumpname, !justcheck);
}
catch(...)
{
delete map;
throw;
}
if (index == -2)
{
delete map;
return NULL;
}
if (index == ML_BEHAVIOR) map->HasBehavior = true;
// The next lump is not part of this map anymore
if (index < 0) break;
map->MapLumps[index].Reader = Wads.ReopenLumpReader(lump_name + i);
strncpy(map->MapLumps[index].Name, lumpname, 8);
}
}
else
{
map->isText = true;
map->MapLumps[1].Reader = Wads.ReopenLumpReader(lump_name + 1);
for(int i = 2;; i++)
{
const char * lumpname = Wads.GetLumpFullName(lump_name + i);
if (lumpname == NULL)
{
I_Error("Invalid map definition for %s", mapname);
}
else if (!stricmp(lumpname, "ZNODES"))
{
index = ML_GLZNODES;
}
else if (!stricmp(lumpname, "BLOCKMAP"))
{
// there is no real point in creating a blockmap but let's use it anyway
index = ML_BLOCKMAP;
}
else if (!stricmp(lumpname, "REJECT"))
{
index = ML_REJECT;
}
else if (!stricmp(lumpname, "DIALOGUE"))
{
index = ML_CONVERSATION;
}
else if (!stricmp(lumpname, "BEHAVIOR"))
{
index = ML_BEHAVIOR;
map->HasBehavior = true;
}
else if (!stricmp(lumpname, "ENDMAP"))
{
break;
}
else continue;
map->MapLumps[index].Reader = Wads.ReopenLumpReader(lump_name + i);
strncpy(map->MapLumps[index].Name, lumpname, 8);
}
}
return map;
}
else
{
if (lump_map > lump_wad)
{
lump_wad = lump_map;
}
if (lump_wad == -1)
{
delete map;
return NULL;
}
map->lumpnum = lump_wad;
auto reader = Wads.ReopenLumpReader(lump_wad);
map->resource = FResourceFile::OpenResourceFile(Wads.GetLumpFullName(lump_wad), reader, true);
wadReader = map->resource->GetReader();
}
}
uint32_t id;
// Although we're using the resource system, we still want to be sure we're
// reading from a wad file.
wadReader->Seek(0, FileReader::SeekSet);
wadReader->Read(&id, sizeof(id));
if (id == IWAD_ID || id == PWAD_ID)
{
char maplabel[9]="";
int index=0;
map->MapLumps[0].Reader = map->resource->GetLump(0)->NewReader();
strncpy(map->MapLumps[0].Name, map->resource->GetLump(0)->Name, 8);
for(uint32_t i = 1; i < map->resource->LumpCount(); i++)
{
const char* lumpname = map->resource->GetLump(i)->Name;
if (i == 1 && !strnicmp(lumpname, "TEXTMAP", 8))
{
map->isText = true;
map->MapLumps[ML_TEXTMAP].Reader = map->resource->GetLump(i)->NewReader();
strncpy(map->MapLumps[ML_TEXTMAP].Name, lumpname, 8);
for(int i = 2;; i++)
{
lumpname = map->resource->GetLump(i)->Name;
if (!strnicmp(lumpname, "ZNODES",8))
{
index = ML_GLZNODES;
}
else if (!strnicmp(lumpname, "BLOCKMAP",8))
{
// there is no real point in creating a blockmap but let's use it anyway
index = ML_BLOCKMAP;
}
else if (!strnicmp(lumpname, "REJECT",8))
{
index = ML_REJECT;
}
else if (!strnicmp(lumpname, "DIALOGUE",8))
{
index = ML_CONVERSATION;
}
else if (!strnicmp(lumpname, "BEHAVIOR",8))
{
index = ML_BEHAVIOR;
map->HasBehavior = true;
}
else if (!strnicmp(lumpname, "ENDMAP",8))
{
return map;
}
else continue;
map->MapLumps[index].Reader = map->resource->GetLump(i)->NewReader();
strncpy(map->MapLumps[index].Name, lumpname, 8);
}
}
if (i>0)
{
try
{
index = GetMapIndex(maplabel, index, lumpname, !justcheck);
}
catch(...)
{
delete map;
throw;
}
if (index == -2)
{
delete map;
return NULL;
}
if (index == ML_BEHAVIOR) map->HasBehavior = true;
// The next lump is not part of this map anymore
if (index < 0) break;
}
else
{
strncpy(maplabel, lumpname, 8);
maplabel[8]=0;
}
map->MapLumps[index].Reader = map->resource->GetLump(i)->NewReader();
strncpy(map->MapLumps[index].Name, lumpname, 8);
}
}
else
{
// This is a Build map and not subject to WAD consistency checks.
//map->MapLumps[0].Size = wadReader->GetLength();
if (!P_IsBuildMap(map))
{
delete map;
return NULL;
}
}
return map;
}
FPNGTexture::FPNGTexture (FileReader &lump, int lumpnum, const FString &filename, int width, int height,
BYTE depth, BYTE colortype, BYTE interlace)
: FTexture(NULL, lumpnum), SourceFile(filename), Pixels(0), Spans(0),
BitDepth(depth), ColorType(colortype), Interlace(interlace),
PaletteMap(0), PaletteSize(0), StartOfIDAT(0)
{
union
{
DWORD palette[256];
BYTE pngpal[256][3];
};
BYTE trans[256];
bool havetRNS = false;
DWORD len, id;
int i;
UseType = TEX_MiscPatch;
LeftOffset = 0;
TopOffset = 0;
bMasked = false;
Width = width;
Height = height;
CalcBitSize ();
memset (trans, 255, 256);
// Parse pre-IDAT chunks. I skip the CRCs. Is that bad?
lump.Seek (33, SEEK_SET);
lump >> len >> id;
while (id != MAKE_ID('I','D','A','T') && id != MAKE_ID('I','E','N','D'))
{
len = BigLong((unsigned int)len);
switch (id)
{
default:
lump.Seek (len, SEEK_CUR);
break;
case MAKE_ID('g','r','A','b'):
// This is like GRAB found in an ILBM, except coordinates use 4 bytes
{
DWORD hotx, hoty;
int ihotx, ihoty;
lump >> hotx >> hoty;
ihotx = BigLong((int)hotx);
ihoty = BigLong((int)hoty);
if (ihotx < -32768 || ihotx > 32767)
{
Printf ("X-Offset for PNG texture %s is bad: %d (0x%08x)\n", Wads.GetLumpFullName (lumpnum), ihotx, ihotx);
ihotx = 0;
}
if (ihoty < -32768 || ihoty > 32767)
{
Printf ("Y-Offset for PNG texture %s is bad: %d (0x%08x)\n", Wads.GetLumpFullName (lumpnum), ihoty, ihoty);
ihoty = 0;
}
LeftOffset = (int)ihotx;
TopOffset = (int)ihoty;
}
break;
case MAKE_ID('P','L','T','E'):
PaletteSize = MIN<int> (len / 3, 256);
lump.Read (pngpal, PaletteSize * 3);
if (PaletteSize * 3 != (int)len)
{
lump.Seek (len - PaletteSize * 3, SEEK_CUR);
}
for (i = PaletteSize - 1; i >= 0; --i)
{
palette[i] = MAKERGB(pngpal[i][0], pngpal[i][1], pngpal[i][2]);
}
break;
case MAKE_ID('t','R','N','S'):
lump.Read (trans, len);
havetRNS = true;
break;
case MAKE_ID('a','l','P','h'):
bAlphaTexture = true;
bMasked = true;
break;
}
lump >> len >> len; // Skip CRC
id = MAKE_ID('I','E','N','D');
lump >> id;
}
StartOfIDAT = lump.Tell() - 8;
switch (colortype)
{
case 4: // Grayscale + Alpha
bMasked = true;
// intentional fall-through
case 0: // Grayscale
if (!bAlphaTexture)
{
if (colortype == 0 && havetRNS && trans[0] != 0)
{
bMasked = true;
PaletteSize = 256;
PaletteMap = new BYTE[256];
memcpy (PaletteMap, GrayMap, 256);
PaletteMap[trans[0]] = 0;
}
else
{
PaletteMap = GrayMap;
}
}
break;
case 3: // Paletted
PaletteMap = new BYTE[PaletteSize];
GPalette.MakeRemap (palette, PaletteMap, trans, PaletteSize);
for (i = 0; i < PaletteSize; ++i)
{
if (trans[i] == 0)
{
bMasked = true;
PaletteMap[i] = 0;
}
}
break;
case 6: // RGB + Alpha
bMasked = true;
break;
}
}
