void MenuResource::load(byte *source, int size) {
_strings.clear();
Common::MemoryReadStream *sourceS = new Common::MemoryReadStream(source, size);
sourceS->skip(4); // skip "MENU"
uint16 count = sourceS->readUint16LE();
for (uint16 i = 0; i < count; i++) {
uint16 offs = sourceS->readUint16LE();
const char *string = (const char*)(source + offs);
_strings.push_back(string);
debug(2, "%02d: %s\n", i, string);
}
delete sourceS;
}
void Model::loadEMI(Common::MemoryReadStream &ms) {
char name[64];
int nameLength = ms.readUint32LE();
assert(nameLength < 64);
ms.read(name, nameLength);
// skip over some unkown floats
ms.seek(48, SEEK_CUR);
_numMaterials = ms.readUint32LE();
_materials = new Material*[_numMaterials];
_materialNames = new char[_numMaterials][32];
for (int i = 0; i < _numMaterials; i++) {
nameLength = ms.readUint32LE();
assert(nameLength < 32);
ms.read(_materialNames[i], nameLength);
// I'm not sure what specialty mateials are, but they are handled differently.
if (memcmp(_materialNames[i], "specialty", 9) == 0) {
_materials[i] = 0;
} else {
loadMaterial(i, 0);
}
ms.seek(4, SEEK_CUR);
}
ms.seek(4, SEEK_CUR);
}
void Sound::playMovieSound(int32 res, int type) {
Audio::SoundHandle *handle;
if (type == kLeadInSound)
handle = &_leadInHandle;
else
handle = &_leadOutHandle;
if (_vm->_mixer->isSoundHandleActive(*handle)) {
_vm->_mixer->stopHandle(*handle);
}
byte *data = _vm->_resman->openResource(res);
uint32 len = _vm->_resman->fetchLen(res);
assert(_vm->_resman->fetchType(data) == WAV_FILE);
// We want to close the resource right away, so to be safe we make a
// private copy of the sound;
byte *soundData = (byte *)malloc(len);
if (soundData) {
memcpy(soundData, data, len);
Common::MemoryReadStream *stream = new Common::MemoryReadStream(soundData, len, DisposeAfterUse::YES);
// In PSX version we have nothing to skip here, as data starts
// right away.
if (!Sword2Engine::isPsx()) {
stream->seek(ResHeader::size());
}
Audio::RewindableAudioStream *input = 0;
if (Sword2Engine::isPsx()) {
input = Audio::makeVagStream(stream);
} else {
input = Audio::makeWAVStream(stream, DisposeAfterUse::YES);
}
_vm->_mixer->playStream(
Audio::Mixer::kMusicSoundType, handle, input,
-1, Audio::Mixer::kMaxChannelVolume, 0,
DisposeAfterUse::YES, false, isReverseStereo());
} else {
warning("Sound::playMovieSound: Could not allocate %d bytes\n", len);
}
_vm->_resman->closeResource(res);
}
GTEST_TEST_F(LanguageManager, preParseColorCodes) {
static const byte kColorString [] = "<c""\xAB""\xCD""\xEF"">Foobar</c>";
static const byte kPreparsedString[] = "<cABCDEFFF>Foobar</c>";
Common::MemoryReadStream stream(kColorString);
Common::MemoryReadStream *preparsed = LangMan.preParseColorCodes(stream);
ASSERT_NE(preparsed, static_cast<Common::MemoryReadStream *>(0));
ASSERT_EQ(preparsed->size(), sizeof(kPreparsedString));
for (size_t i = 0; i < sizeof(kPreparsedString); i++)
EXPECT_EQ(preparsed->readChar(), kPreparsedString[i]) << "At index " << i;
delete preparsed;
}
GTEST_TEST(MemoryReadStream, readStream) {
static const byte data[3] = { 0x12, 0x34, 0x56 };
Common::MemoryReadStream stream(data);
Common::MemoryReadStream *streamRead = stream.readStream(ARRAYSIZE(data));
EXPECT_EQ(streamRead->size(), ARRAYSIZE(data));
for (size_t i = 0; i < ARRAYSIZE(data); i++)
EXPECT_EQ(streamRead->readByte(), data[i]) << "At index " << i;
delete streamRead;
stream.seek(0);
EXPECT_THROW(stream.readStream(ARRAYSIZE(data) + 1), Common::Exception);
}
bool CGE2Engine::loadGame(int slotNumber) {
Common::MemoryReadStream *readStream;
// Open up the savegame file
Common::String slotName = generateSaveName(slotNumber);
Common::InSaveFile *saveFile = g_system->getSavefileManager()->openForLoading(slotName);
// Read the data into a data buffer
int size = saveFile->size();
byte *dataBuffer = (byte *)malloc(size);
saveFile->read(dataBuffer, size);
readStream = new Common::MemoryReadStream(dataBuffer, size, DisposeAfterUse::YES);
delete saveFile;
// Check to see if it's a ScummVM savegame or not
char buffer[kSavegameStrSize + 1];
readStream->read(buffer, kSavegameStrSize + 1);
if (strncmp(buffer, kSavegameStr, kSavegameStrSize + 1) != 0) {
delete readStream;
return false;
} else {
SavegameHeader saveHeader;
if (!readSavegameHeader(readStream, saveHeader)) {
delete readStream;
return false;
}
// Delete the thumbnail
saveHeader.thumbnail->free();
delete saveHeader.thumbnail;
}
resetGame();
// Get in the savegame
syncGame(readStream, nullptr);
delete readStream;
loadHeroes();
return true;
}
void ObjectMan::loadObjectNames() {
DisplayMan &dispMan = *_vm->_displayMan;
_objectIconForMousePointer = new byte[16 * 16];
char *objectNames = new char[dispMan.getCompressedDataSize(k556_ObjectNamesGraphicIndice) + k199_ObjectNameCount];
Common::MemoryReadStream stream = dispMan.getCompressedData(k556_ObjectNamesGraphicIndice);
for (uint16 objNameIndex = 0; objNameIndex < k199_ObjectNameCount; ++objNameIndex) {
_objectNames[objNameIndex] = objectNames;
byte tmpByte;
for (tmpByte = stream.readByte(); !(tmpByte & 0x80); tmpByte = stream.readByte()) // last char of object name has 7th bit on
*objectNames++ = tmpByte; // write while not last char
*objectNames++ = tmpByte & 0x7F; // write without the 7th bit
*objectNames++ = '\0'; // terminate string
}
}
bool Node::dumpFaceMask(uint16 index, int face, DirectorySubEntry::ResourceType type) {
static const int32 kMaskSize = 640 * 640;
byte *mask = new byte[kMaskSize];
memset(mask, 0, kMaskSize);
uint32 headerOffset = 0;
uint32 dataOffset = 0;
const DirectorySubEntry *maskDesc = _vm->getFileDescription(0, index, face, type);
if (!maskDesc) {
delete[] mask;
return false;
}
Common::MemoryReadStream *maskStream = maskDesc->getData();
while (headerOffset < 400) {
int blockX = (headerOffset / sizeof(dataOffset)) % 10;
int blockY = (headerOffset / sizeof(dataOffset)) / 10;
maskStream->seek(headerOffset, SEEK_SET);
dataOffset = maskStream->readUint32LE();
headerOffset = maskStream->pos();
if (dataOffset != 0) {
maskStream->seek(dataOffset, SEEK_SET);
for(int i = 63; i >= 0; i--) {
int x = 0;
byte numValues = maskStream->readByte();
for (int j = 0; j < numValues; j++) {
byte repeat = maskStream->readByte();
byte value = maskStream->readByte();
for (int k = 0; k < repeat; k++) {
mask[((blockY * 64) + i) * 640 + blockX * 64 + x] = value;
x++;
}
}
}
}
}
delete maskStream;
Common::DumpFile outFile;
outFile.open(Common::String::format("dump/%d-%d.masku_%d", index, face, type));
outFile.write(mask, kMaskSize);
outFile.close();
delete[] mask;
return true;
}
bool Console::Cmd_Extract(int argc, const char **argv) {
if (argc != 5) {
DebugPrintf("Extract a file from the game's archives\n");
DebugPrintf("Usage :\n");
DebugPrintf("extract [room] [node id] [face number] [object type]\n");
return true;
}
// Room names are uppercase
Common::String room = Common::String(argv[1]);
room.toUppercase();
uint16 id = atoi(argv[2]);
uint16 face = atoi(argv[3]);
DirectorySubEntry::ResourceType type = (DirectorySubEntry::ResourceType) atoi(argv[4]);
const DirectorySubEntry *desc = _vm->getFileDescription(room.c_str(), id, face, type);
if (!desc) {
DebugPrintf("File with room %s, id %d, face %d and type %d does not exist\n", room.c_str(), id, face, type);
return true;
}
Common::MemoryReadStream *s = desc->getData();
Common::String filename = Common::String::format("node%s_%d_face%d.%d", room.c_str(), id, face, type);
Common::DumpFile f;
f.open(filename);
uint8 *buf = new uint8[s->size()];
s->read(buf, s->size());
f.write(buf, s->size());
delete[] buf;
f.close();
delete s;
DebugPrintf("File '%s' successfully written\n", filename.c_str());
return true;
}
void LocString::readString(uint32 languageID, Common::SeekableReadStream &stream) {
uint32 length = stream.readUint32LE();
std::pair<StringMap::iterator, bool> s = _strings.insert(std::make_pair(languageID, ""));
if (length == 0)
return;
Common::MemoryReadStream *data = stream.readStream(length);
Common::MemoryReadStream *parsed = LangMan.preParseColorCodes(*data);
Common::Encoding encoding = LangMan.getEncodingLocString(LangMan.getLanguageGendered(languageID));
if (encoding == Common::kEncodingInvalid)
encoding = Common::kEncodingUTF8;
try {
s.first->second = Common::readString(*parsed, encoding);
} catch (...) {
parsed->seek(0);
s.first->second = Common::readString(*parsed, Common::kEncodingCP1252);
}
delete parsed;
delete data;
}
int Win32ResExtractor::convertIcons(byte *data, int datasize, byte **cursor, int *w, int *h,
int *hotspot_x, int *hotspot_y, int *keycolor, byte **pal, int *palSize) {
Win32CursorIconFileDir dir;
Win32CursorIconFileDirEntry *entries = NULL;
uint32 offset;
uint32 c, d;
int completed;
int matched = 0;
Common::MemoryReadStream *in = new Common::MemoryReadStream(data, datasize);
if (!in->read(&dir, sizeof(Win32CursorIconFileDir)- sizeof(Win32CursorIconFileDirEntry)))
goto cleanup;
fix_win32_cursor_icon_file_dir_endian(&dir);
if (dir.reserved != 0) {
error("not an icon or cursor file (reserved non-zero)");
goto cleanup;
}
if (dir.type != 1 && dir.type != 2) {
error("not an icon or cursor file (wrong type)");
goto cleanup;
}
entries = (Win32CursorIconFileDirEntry *)malloc(dir.count * sizeof(Win32CursorIconFileDirEntry));
for (c = 0; c < dir.count; c++) {
if (!in->read(&entries[c], sizeof(Win32CursorIconFileDirEntry)))
goto cleanup;
fix_win32_cursor_icon_file_dir_entry_endian(&entries[c]);
if (entries[c].reserved != 0)
error("reserved is not zero");
}
offset = sizeof(Win32CursorIconFileDir) + (dir.count - 1) * (sizeof(Win32CursorIconFileDirEntry));
for (completed = 0; completed < dir.count; ) {
uint32 min_offset = 0x7fffffff;
int previous = completed;
for (c = 0; c < dir.count; c++) {
if (entries[c].dib_offset == offset) {
Win32BitmapInfoHeader bitmap;
Win32RGBQuad *palette = NULL;
uint32 palette_count = 0;
uint32 image_size, mask_size;
uint32 width, height;
byte *image_data = NULL, *mask_data = NULL;
byte *row = NULL;
if (!in->read(&bitmap, sizeof(Win32BitmapInfoHeader)))
goto local_cleanup;
fix_win32_bitmap_info_header_endian(&bitmap);
if (bitmap.size < sizeof(Win32BitmapInfoHeader)) {
error("bitmap header is too short");
goto local_cleanup;
}
if (bitmap.compression != 0) {
error("compressed image data not supported");
goto local_cleanup;
}
if (bitmap.x_pels_per_meter != 0)
error("x_pels_per_meter field in bitmap should be zero");
if (bitmap.y_pels_per_meter != 0)
error("y_pels_per_meter field in bitmap should be zero");
if (bitmap.clr_important != 0)
error("clr_important field in bitmap should be zero");
if (bitmap.planes != 1)
error("planes field in bitmap should be one");
if (bitmap.size != sizeof(Win32BitmapInfoHeader)) {
uint32 skip = bitmap.size - sizeof(Win32BitmapInfoHeader);
error("skipping %d bytes of extended bitmap header", skip);
in->seek(skip, SEEK_CUR);
}
offset += bitmap.size;
if (bitmap.clr_used != 0 || bitmap.bit_count < 24) {
palette_count = (bitmap.clr_used != 0 ? bitmap.clr_used : 1 << bitmap.bit_count);
palette = (Win32RGBQuad *)malloc(sizeof(Win32RGBQuad) * palette_count);
if (!in->read(palette, sizeof(Win32RGBQuad) * palette_count))
goto local_cleanup;
offset += sizeof(Win32RGBQuad) * palette_count;
}
width = bitmap.width;
height = ABS(bitmap.height)/2;
image_size = height * ROW_BYTES(width * bitmap.bit_count);
mask_size = height * ROW_BYTES(width);
if (entries[c].dib_size != bitmap.size + image_size + mask_size + palette_count * sizeof(Win32RGBQuad))
debugC(DEBUG_RESOURCE, "incorrect total size of bitmap (%d specified; %d real)",
entries[c].dib_size,
(int)(bitmap.size + image_size + mask_size + palette_count * sizeof(Win32RGBQuad))
);
image_data = (byte *)malloc(image_size);
if (!in->read(image_data, image_size))
goto local_cleanup;
mask_data = (byte *)malloc(mask_size);
if (!in->read(mask_data, mask_size))
goto local_cleanup;
offset += image_size;
offset += mask_size;
completed++;
matched++;
*hotspot_x = entries[c].hotspot_x;
*hotspot_y = entries[c].hotspot_y;
*w = width;
*h = height;
*keycolor = 0;
*cursor = (byte *)malloc(width * height);
row = (byte *)malloc(width * 4);
for (d = 0; d < height; d++) {
uint32 x;
uint32 y = (bitmap.height < 0 ? d : height - d - 1);
uint32 imod = y * (image_size / height) * 8 / bitmap.bit_count;
uint32 mmod = y * (mask_size / height) * 8;
for (x = 0; x < width; x++) {
uint32 color = simple_vec(image_data, x + imod, bitmap.bit_count);
// We set up cursor palette for default cursor, so use it
if (!simple_vec(mask_data, x + mmod, 1)) {
if (color) {
cursor[0][width * d + x] = 254; // white
} else {
cursor[0][width * d + x] = 253; // black
}
} else {
cursor[0][width * d + x] = 255; // transparent
}
/*
if (bitmap.bit_count <= 16) {
if (color >= palette_count) {
error("color out of range in image data");
goto local_cleanup;
}
row[4*x+0] = palette[color].red;
row[4*x+1] = palette[color].green;
row[4*x+2] = palette[color].blue;
} else {
row[4*x+0] = (color >> 16) & 0xFF;
row[4*x+1] = (color >> 8) & 0xFF;
row[4*x+2] = (color >> 0) & 0xFF;
}
if (bitmap.bit_count == 32)
row[4*x+3] = (color >> 24) & 0xFF;
else
row[4*x+3] = simple_vec(mask_data, x + mmod, 1) ? 0 : 0xFF;
*/
}
}
free(row);
free(palette);
if (image_data != NULL) {
free(image_data);
free(mask_data);
}
continue;
local_cleanup:
free(row);
free(palette);
if (image_data != NULL) {
free(image_data);
free(mask_data);
}
goto cleanup;
} else {
if (entries[c].dib_offset > offset)
min_offset = MIN(min_offset, entries[c].dib_offset);
}
}
if (previous == completed) {
if (min_offset < offset) {
error("offset of bitmap header incorrect (too low)");
goto cleanup;
}
assert(min_offset != 0x7fffffff);
debugC(DEBUG_RESOURCE, "skipping %d bytes of garbage at %d", min_offset-offset, offset);
in->seek(min_offset - offset, SEEK_CUR);
offset = min_offset;
}
}
free(entries);
return matched;
cleanup:
free(entries);
return -1;
}
if (!audioRes) {
warning("Failed to find audio entry %i", number);
return NULL;
}
} else {
audioRes = _resMan->findResource(ResourceId(kResourceTypeAudio36, volume, number), false);
if (!audioRes) {
warning("Failed to find audio entry (%i, %i, %i, %i, %i)", volume, (number >> 24) & 0xff,
(number >> 16) & 0xff, (number >> 8) & 0xff, number & 0xff);
return NULL;
}
}
// Load the data into a MemoryReadStream. The AudioStream here cannot rely on
// memory from the resource manager.
Common::MemoryReadStream srcStream(audioRes->data, audioRes->size, DisposeAfterUse::NO);
Common::ScopedPtr<Common::SeekableReadStream> stream(srcStream.readStream(srcStream.size()));
byte audioFlags;
uint32 audioCompressionType = audioRes->getAudioCompressionType();
Audio::SeekableAudioStream *audioSeekStream = 0;
if (audioCompressionType) {
#if (defined(USE_MAD) || defined(USE_VORBIS) || defined(USE_FLAC))
switch (audioCompressionType) {
case MKTAG('M','P','3',' '):
#ifdef USE_MAD
audioSeekStream = Audio::makeMP3Stream(stream.release(), DisposeAfterUse::YES);
#endif
break;
case MKTAG('O','G','G',' '):
bool CGEEngine::loadGame(int slotNumber, SavegameHeader *header, bool tiny) {
debugC(1, kCGEDebugEngine, "CGEEngine::loadgame(%d, header, %s)", slotNumber, tiny ? "true" : "false");
Common::MemoryReadStream *readStream;
SavegameHeader saveHeader;
if (slotNumber == -1) {
// Loading the data for the initial game state
EncryptedStream file = EncryptedStream(this, kSavegame0Name);
int size = file.size();
byte *dataBuffer = (byte *)malloc(size);
file.read(dataBuffer, size);
readStream = new Common::MemoryReadStream(dataBuffer, size, DisposeAfterUse::YES);
} else {
// Open up the savegame file
Common::String slotName = generateSaveName(slotNumber);
Common::InSaveFile *saveFile = g_system->getSavefileManager()->openForLoading(slotName);
// Read the data into a data buffer
int size = saveFile->size();
byte *dataBuffer = (byte *)malloc(size);
saveFile->read(dataBuffer, size);
readStream = new Common::MemoryReadStream(dataBuffer, size, DisposeAfterUse::YES);
delete saveFile;
}
// Check to see if it's a ScummVM savegame or not
char buffer[kSavegameStrSize + 1];
readStream->read(buffer, kSavegameStrSize + 1);
if (strncmp(buffer, savegameStr, kSavegameStrSize + 1) != 0) {
// It's not, so rewind back to the start
readStream->seek(0);
if (header)
// Header wanted where none exists, so return false
return false;
} else {
// Found header
if (!readSavegameHeader(readStream, saveHeader)) {
delete readStream;
return false;
}
if (header) {
*header = saveHeader;
delete readStream;
return true;
}
// Delete the thumbnail
saveHeader.thumbnail->free();
delete saveHeader.thumbnail;
}
// Get in the savegame
syncGame(readStream, NULL, tiny);
delete readStream;
return true;
}
void PictureResource::loadRaw(byte *source, int size) {
// Loads a "raw" picture as used in RtZ, LGoP2, Manhole:N&E and Rodney's Funscreen
Common::MemoryReadStream *sourceS = new Common::MemoryReadStream(source, size);
_hasPalette = (sourceS->readByte() != 0);
byte cmdFlags = sourceS->readByte();
byte pixelFlags = sourceS->readByte();
byte maskFlags = sourceS->readByte();
uint16 cmdOffs = sourceS->readUint16LE();
uint16 pixelOffs = sourceS->readUint16LE();
uint16 maskOffs = sourceS->readUint16LE();
uint16 lineSize = sourceS->readUint16LE();
/*uint16 u = */sourceS->readUint16LE();
uint16 width = sourceS->readUint16LE();
uint16 height = sourceS->readUint16LE();
if (cmdFlags || pixelFlags || maskFlags) {
warning("PictureResource::loadRaw() Graphic has flags set (%d, %d, %d)", cmdFlags, pixelFlags, maskFlags);
}
_paletteColorCount = (cmdOffs - 18) / 3; // 18 = sizeof header
debug(2, "width = %d; height = %d\n", width, height);
if (_hasPalette) {
_picturePalette = new byte[_paletteColorCount * 3];
sourceS->read(_picturePalette, _paletteColorCount * 3);
}
_picture = new Graphics::Surface();
_picture->create(width, height, Graphics::PixelFormat::createFormatCLUT8());
decompressImage(source, *_picture, cmdOffs, pixelOffs, maskOffs, lineSize, cmdFlags, pixelFlags, maskFlags);
delete sourceS;
}
void Costume::loadEMI(Common::MemoryReadStream &ms, Costume *prevCost) {
Common::List<Component *>components;
_numChores = ms.readUint32LE();
_chores = new Chore[_numChores];
for (int i = 0; i < _numChores; i++) {
uint32 nameLength;
Component *prevComponent = NULL;
nameLength = ms.readUint32LE();
ms.read(_chores[i]._name, nameLength);
float length;
ms.read(&length, 4);
_chores[i]._length = (int)length;
_chores[i]._owner = this;
_chores[i]._numTracks = ms.readUint32LE();
_chores[i]._tracks = new ChoreTrack[_chores[i]._numTracks];
for (int k = 0; k < _chores[i]._numTracks; k++) {
int componentNameLength = ms.readUint32LE();
assert(componentNameLength < 64);
char name[64];
ms.read(name, componentNameLength);
ms.readUint32LE();
int parentID = ms.readUint32LE();
if (parentID == -1 && prevCost) {
MainModelComponent *mmc;
// However, only the first item can actually share the
// node hierarchy with the previous costume, so flag
// that component so it knows what to do
if (i == 0)
parentID = -2;
prevComponent = prevCost->_components[0];
mmc = dynamic_cast<MainModelComponent *>(prevComponent);
// Make sure that the component is valid
if (!mmc)
prevComponent = NULL;
}
// Actually load the appropriate component
Component *component = loadComponentEMI(parentID < 0 ? NULL : _components[parentID], parentID, name, prevComponent);
//Component *component = loadComponentEMI(name, parent);
components.push_back(component);
ChoreTrack &track = _chores[i]._tracks[k];
track.numKeys = ms.readUint32LE();
track.keys = new TrackKey[track.numKeys];
// this is probably wrong
track.compID = 0;
for (int j = 0; j < track.numKeys; j++) {
float time, value;
ms.read(&time, 4);
ms.read(&value, 4);
track.keys[j].time = (int)time;
track.keys[j].value = (int)value;
}
}
//_chores[i]._tracks->compID;
}
_numComponents = components.size();
_components = new Component *[_numComponents];
int i = 0;
for (Common::List<Component *>::iterator it = components.begin(); it != components.end(); ++it, ++i) {
_components[i] = *it;
if (!_components[i])
continue;
_components[i]->setCostume(this);
_components[i]->init();
}
}
void AnimationResource::load(byte *source, int size) {
Common::MemoryReadStream *sourceS = new Common::MemoryReadStream(source, size);
sourceS->readUint32LE();
sourceS->readUint32LE();
sourceS->readUint16LE();
_flags = sourceS->readUint16LE();
_width = sourceS->readUint16LE();
_height = sourceS->readUint16LE();
sourceS->readUint32LE();
uint16 frameCount = sourceS->readUint16LE();
sourceS->readUint16LE();
sourceS->readUint16LE();
for (uint16 i = 0; i < frameCount; i++) {
sourceS->seek(26 + i * 4);
uint32 frameOffs = sourceS->readUint32LE();
sourceS->seek(frameOffs);
sourceS->readUint32LE();
sourceS->readUint32LE();
uint16 frameWidth = sourceS->readUint16LE();
uint16 frameHeight = sourceS->readUint16LE();
uint16 cmdOffs = sourceS->readUint16LE();
sourceS->readUint16LE();
uint16 pixelOffs = sourceS->readUint16LE();
sourceS->readUint16LE();
uint16 maskOffs = sourceS->readUint16LE();
sourceS->readUint16LE();
uint16 lineSize = sourceS->readUint16LE();
Graphics::Surface *frame = new Graphics::Surface();
frame->create(frameWidth, frameHeight, Graphics::PixelFormat::createFormatCLUT8());
decompressImage(source + frameOffs, *frame, cmdOffs, pixelOffs, maskOffs, lineSize, 0, 0, 0, _flags & 1);
_frames.push_back(frame);
}
delete sourceS;
}
void PictureResource::loadChunked(byte *source, int size) {
// Loads a "chunked" picture as used in Manhole EGA
Common::MemoryReadStream *sourceS = new Common::MemoryReadStream(source, size);
byte cmdFlags = 0, pixelFlags = 0, maskFlags = 0;
uint16 cmdOffs = 0, pixelOffs = 0, maskOffs = 0;
uint16 lineSize = 0, width = 0, height = 0;
sourceS->skip(36); // skip the "Flex" header
_hasPalette = false;
while (!sourceS->eos()) {
uint32 chunkType = sourceS->readUint32BE();
uint32 chunkSize = sourceS->readUint32BE();
if (sourceS->eos())
break;
debug(0, "chunkType = %08X; chunkSize = %d", chunkType, chunkSize);
if (chunkType == MKTAG('R','e','c','t')) {
debug(0, "Rect");
sourceS->skip(4);
height = sourceS->readUint16BE();
width = sourceS->readUint16BE();
debug(0, "width = %d; height = %d", width, height);
} else if (chunkType == MKTAG('f','M','a','p')) {
debug(0, "fMap");
lineSize = sourceS->readUint16BE();
sourceS->skip(11);
cmdFlags = sourceS->readByte();
cmdOffs = sourceS->pos();
sourceS->skip(chunkSize - 14);
debug(0, "lineSize = %d; cmdFlags = %d; cmdOffs = %04X", lineSize, cmdFlags, cmdOffs);
} else if (chunkType == MKTAG('f','L','C','o')) {
debug(0, "fLCo");
sourceS->skip(9);
pixelFlags = sourceS->readByte();
pixelOffs = sourceS->pos();
sourceS->skip(chunkSize - 10);
debug(0, "pixelFlags = %d; pixelOffs = %04X", pixelFlags, pixelOffs);
} else if (chunkType == MKTAG('f','P','i','x')) {
debug(0, "fPix");
sourceS->skip(9);
maskFlags = sourceS->readByte();
maskOffs = sourceS->pos();
sourceS->skip(chunkSize - 10);
debug(0, "maskFlags = %d; maskOffs = %04X", maskFlags, maskOffs);
} else if (chunkType == MKTAG('f','G','C','o')) {
debug(0, "fGCo");
_hasPalette = true;
_paletteColorCount = chunkSize / 3;
_picturePalette = new byte[_paletteColorCount * 3];
sourceS->read(_picturePalette, _paletteColorCount * 3);
} else {
error("PictureResource::loadChunked() Invalid chunk %08X at %08X", chunkType, sourceS->pos());
}
}
if (!cmdOffs || !pixelOffs /*|| !maskOffs*/ || !lineSize || !width || !height) {
error("PictureResource::loadChunked() Error parsing the picture data, one or more chunks/parameters are missing");
}
_picture = new Graphics::Surface();
_picture->create(width, height, Graphics::PixelFormat::createFormatCLUT8());
decompressImage(source, *_picture, cmdOffs, pixelOffs, maskOffs, lineSize, cmdFlags, pixelFlags, maskFlags);
delete sourceS;
}
