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;
}
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
}
}
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;
}
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);
}
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;
}