void TwoDAFile::readRows2b(Common::SeekableReadStream &twoda) {
/* And now read the cells. In binary 2DA files, each cell only
* stores a single 16-bit number, the offset into the data segment
* where the data for this cell can be found. Moreover, a single
* data offset can be used by several cells, deduplicating the
* cell data.
*/
size_t columnCount = _headers.size();
size_t rowCount = _rows.size();
size_t cellCount = columnCount * rowCount;
uint32 *offsets = new uint32[cellCount];
Common::StreamTokenizer tokenize(Common::StreamTokenizer::kRuleHeed);
tokenize.addSeparator('\0');
for (size_t i = 0; i < cellCount; i++)
offsets[i] = twoda.readUint16LE();
twoda.skip(2); // Size of the data segment in bytes
size_t dataOffset = twoda.pos();
for (size_t i = 0; i < rowCount; i++) {
_rows[i] = new TwoDARow(*this);
_rows[i]->_data.resize(columnCount);
for (size_t j = 0; j < columnCount; j++) {
size_t offset = dataOffset + offsets[i * columnCount + j];
try {
twoda.seek(offset);
} catch (...) {
delete[] offsets;
throw;
}
_rows[i]->_data[j] = tokenize.getToken(twoda);
if (_rows[i]->_data[j].empty())
_rows[i]->_data[j] = "****";
}
}
delete[] offsets;
}
bool Mob::loadFromStream(Common::SeekableReadStream &stream) {
int32 pos = stream.pos();
uint16 visible = stream.readUint16LE();
if (visible == 0xFFFF)
return false;
_visible = visible;
_type = stream.readUint16LE();
_rect.left = stream.readUint16LE();
_rect.top = stream.readUint16LE();
_rect.right = stream.readUint16LE();
_rect.bottom = stream.readUint16LE();
_mask = stream.readUint16LE();
_examPosition.x = stream.readUint16LE();
_examPosition.y = stream.readUint16LE();
_examDirection = (Direction)stream.readUint16LE();
_usePosition.x = stream.readByte();
_usePosition.y = stream.readByte();
_useDirection = (Direction)stream.readUint16LE();
uint32 nameOffset = stream.readUint32LE();
uint32 examTextOffset = stream.readUint32LE();
byte c;
stream.seek(nameOffset);
_name.clear();
while ((c = stream.readByte()))
_name += c;
stream.seek(examTextOffset);
_examText.clear();
c = stream.readByte();
if (c) {
_examText += c;
do {
c = stream.readByte();
_examText += c;
} while (c != 255);
}
stream.seek(pos + 32);
return true;
}
bool SaveContainer::isSave(Common::SeekableReadStream &stream) {
// Remember the stream's position to seek back to
uint32 startPos = stream.pos();
SaveHeader header;
header.setType(kID);
header.setVersion(kVersion);
bool result = header.verifyReadSize(stream);
// Seek back
stream.seek(startPos);
return result;
}
void TopMenu::loadBmpArr(Common::SeekableReadStream &in) {
_arraySize = in.readUint16BE();
delete _arrayBmp;
_arrayBmp = new Graphics::Surface *[_arraySize * 2];
for (int i = 0; i < _arraySize; i++) {
uint16 bmpSize = in.readUint16BE();
uint32 filPos = in.pos();
Common::SeekableSubReadStream stream(&in, filPos, filPos + bmpSize);
Graphics::BitmapDecoder bitmapDecoder;
if (!bitmapDecoder.loadStream(stream))
error("TopMenu::loadBmpArr(): Could not load bitmap");
const Graphics::Surface *bitmapSrc = bitmapDecoder.getSurface();
if (bitmapSrc->format.bytesPerPixel == 1)
error("TopMenu::loadBmpArr(): Unhandled paletted image");
_arrayBmp[i * 2] = bitmapSrc->convertTo(g_system->getOverlayFormat());
_arrayBmp[i * 2 + 1] = new Graphics::Surface();
_arrayBmp[i * 2 + 1]->create(_arrayBmp[i * 2]->w * 2, _arrayBmp[i * 2]->h * 2, g_system->getOverlayFormat());
byte *src = (byte *)_arrayBmp[i * 2]->getPixels();
byte *dst = (byte *)_arrayBmp[i * 2 + 1]->getPixels();
for (int j = 0; j < _arrayBmp[i * 2]->h; j++) {
src = (byte *)_arrayBmp[i * 2]->getBasePtr(0, j);
dst = (byte *)_arrayBmp[i * 2 + 1]->getBasePtr(0, j * 2);
for (int k = _arrayBmp[i * 2]->w; k > 0; k--) {
for (int m = _arrayBmp[i * 2]->format.bytesPerPixel; m > 0; m--) {
*dst++ = *src++;
}
src -= _arrayBmp[i * 2]->format.bytesPerPixel;
for (int m = _arrayBmp[i * 2]->format.bytesPerPixel; m > 0; m--) {
*dst++ = *src++;
}
}
src = (byte *)_arrayBmp[i * 2 + 1]->getBasePtr(0, j * 2);
dst = (byte *)_arrayBmp[i * 2 + 1]->getBasePtr(0, j * 2 + 1);
for (int k = _arrayBmp[i * 2 + 1]->pitch; k > 0; k--) {
*dst++ = *src++;
}
}
in.seek(filPos + bmpSize);
}
}
uint16 MohawkEngine_Riven::matchRMAPToCard(uint32 rmapCode) {
uint16 index = 0;
Common::SeekableReadStream *rmapStream = getResource(ID_RMAP, 1);
for (uint16 i = 1; rmapStream->pos() < rmapStream->size(); i++) {
uint32 code = rmapStream->readUint32BE();
if (code == rmapCode)
index = i;
}
delete rmapStream;
if (!index)
error ("Could not match RMAP code %08x", rmapCode);
return index - 1;
}
Common::UString GFF4Struct::getString(Common::SeekableReadStream &data, Common::Encoding encoding) const {
/* When the string is encoded in UTF-8, then length field specifies the length in bytes.
* Otherwise, it's the length in characters. */
const size_t lengthMult = encoding == Common::kEncodingUTF8 ? 1 : Common::getBytesPerCodepoint(encoding);
const size_t offset = data.pos();
const uint32 length = data.readUint32LE();
const size_t size = length * lengthMult;
try {
return readStringFixed(data, encoding, size);
} catch (...) {
}
return Common::UString::format("GFF4: Invalid string encoding (0x%08X)", (uint) offset);
}
Common::SeekableReadStream *GFF4Struct::getData(uint32 field) const {
const Field *f;
Common::SeekableReadStream *data = getField(field, f);
if (!data)
return 0;
const uint32 count = getListCount(*data, *f);
const uint32 size = getFieldSize(f->type);
if ((size == 0) || (count == 0))
return 0;
const uint32 dataBegin = data->pos();
const uint32 dataEnd = data->pos() + (count * size);
return new Common::SeekableSubReadStream(data, dataBegin, dataEnd);
}
void ImageFile::load(Common::SeekableReadStream &stream, bool skipPalette, bool animImages) {
loadPalette(stream);
int streamSize = stream.size();
while (stream.pos() < streamSize) {
ImageFrame frame;
frame._width = stream.readUint16LE() + 1;
frame._height = stream.readUint16LE() + 1;
frame._paletteBase = stream.readByte();
if (animImages) {
// Animation cutscene image files use a 16-bit x offset
frame._offset.x = stream.readUint16LE();
frame._rleEncoded = (frame._offset.x & 0xff) == 1;
frame._offset.y = stream.readByte();
} else {
// Standard image files have a separate byte for the RLE flag, and an 8-bit X offset
frame._rleEncoded = stream.readByte() == 1;
frame._offset.x = stream.readByte();
frame._offset.y = stream.readByte();
}
frame._rleEncoded = !skipPalette && frame._rleEncoded;
if (frame._paletteBase) {
// Nibble packed frame data
frame._size = (frame._width * frame._height) / 2;
} else if (frame._rleEncoded) {
// This size includes the header size, which we subtract
frame._size = stream.readUint16LE() - 11;
frame._rleMarker = stream.readByte();
} else {
// Uncompressed data
frame._size = frame._width * frame._height;
}
// Load data for frame and decompress it
byte *data = new byte[frame._size + 4];
stream.read(data, frame._size);
Common::fill(data + frame._size, data + frame._size + 4, 0);
frame.decompressFrame(data, IS_ROSE_TATTOO);
delete[] data;
push_back(frame);
}
}
void PLTFile::load(Common::SeekableReadStream &plt) {
// --- PLT header ---
AuroraBase::readHeader(plt);
if (_id != kPLTID)
throw Common::Exception("Not a PLT file (%s)", Common::debugTag(_id).c_str());
if (_version != kVersion1)
throw Common::Exception("Unsupported PLT file version %s", Common::debugTag(_version).c_str());
const uint32 layers = plt.readUint32LE();
if (layers > kLayerMAX)
throw Common::Exception("Too many layers (%d)", layers);
plt.skip(4); // Unknown
const uint32 width = plt.readUint32LE();
const uint32 height = plt.readUint32LE();
if ((plt.size() - plt.pos()) < (int32) (2 * width * height))
throw Common::Exception("Not enough data");
// --- PLT layer data ---
uint32 size = width * height;
_dataImage = new uint8[size];
_dataLayers = new uint8[size];
uint8 *image = _dataImage;
uint8 *layer = _dataLayers;
while (size-- > 0) {
*image++ = plt.readByte();
*layer++ = MIN<uint8>(plt.readByte(), kLayerMAX - 1);
}
// --- Create the actual texture surface ---
// Initialize it to pink, for high debug visibility
_surface = new Surface(width, height);
_surface->fill(0xFF, 0x00, 0xFF, 0xFF);
set(_name, _surface, ::Aurora::kFileTypePLT, 0);
addToQueues();
}
void TThandleQuoteEntries::load(const char *name) {
Common::SeekableReadStream *r = g_vm->_filesManager->getResource(name);
_tag1 = r->readUint32LE();
_tag2 = r->readUint32LE();
_rangeStart = r->readUint32LE();
_rangeEnd = r->readUint32LE();
while (r->pos() < r->size()) {
TThandleQuoteEntry qe;
qe._index = r->readUint32LE();
qe._tagId = r->readUint32LE();
qe._dialogueId = r->readUint32LE();
push_back(qe);
}
delete r;
}
bool dumpStream(Common::SeekableReadStream &stream, const Common::UString &fileName) {
Common::DumpFile file;
if (!file.open(fileName))
return false;
uint32 pos = stream.pos();
stream.seek(0);
file.writeStream(stream);
file.flush();
bool error = file.err();
stream.seek(pos);
file.close();
return !error;
}
bool CUP_Player::parseNextBlockTag(Common::SeekableReadStream &dataStream) {
uint32 tag = dataStream.readUint32BE();
uint32 size = dataStream.readUint32BE() - 8;
uint32 next = dataStream.pos() + size;
debug(1, "New block tag %s %d dataSize %d", tag2str(tag), size, _dataSize);
switch (tag) {
case MKTAG('F','R','A','M'):
handleFRAM(dataStream, size);
break;
case MKTAG('L','Z','S','S'):
if (handleLZSS(dataStream, size) && _outLzssBufSize != 0) {
Common::MemoryReadStream memoryStream(_outLzssBufData, _outLzssBufSize);
parseNextBlockTag(memoryStream);
}
break;
case MKTAG('R','A','T','E'):
handleRATE(dataStream, size);
break;
case MKTAG('R','G','B','S'):
handleRGBS(dataStream, size);
break;
case MKTAG('S','N','D','E'):
handleSNDE(dataStream, size);
break;
case MKTAG('T','O','I','L'):
handleTOIL(dataStream, size);
break;
case MKTAG('S','R','L','E'):
handleSRLE(dataStream, size);
break;
case MKTAG('B','L','O','K'):
_dataSize -= size + 8;
return false;
case MKTAG('W','R','L','E'):
// this is never triggered
default:
warning("Unhandled tag %s", tag2str(tag));
break;
}
dataStream.seek(next);
return true;
}
void TRXFile::load(Common::SeekableReadStream &trx) {
uint32 magic = trx.readUint32BE();
if (magic != MKTAG('N', 'W', 'N', '2'))
throw Common::Exception("Invalid magic %s", Common::debugTag(magic).c_str());
uint16 versionMajor = trx.readUint16LE();
uint16 versionMinor = trx.readUint16LE();
if ((versionMajor != 2) || (versionMinor != 3))
throw Common::Exception("Invalid version %d.%d", versionMajor, versionMinor);
uint32 packetCount = trx.readUint32LE();
if ((uint)(trx.size() - trx.pos()) < (packetCount * 8))
throw Common::Exception("TRX won't fit the packet packets");
std::vector<Packet> packets;
packets.resize(packetCount);
loadDirectory(trx, packets);
loadPackets(trx, packets);
}
bool PScr::loadFromStream(Common::SeekableReadStream &stream) {
int32 pos = stream.pos();
uint16 file = stream.readUint16LE();
if (file == 0xFFFF) {
return false;
}
_x = stream.readUint16LE();
_y = stream.readUint16LE();
_step = stream.readUint16LE();
const Common::String pscrStreamName = Common::String::format("PS%02d", file);
Common::SeekableReadStream *pscrStream = SearchMan.createReadStreamForMember(pscrStreamName);
if (pscrStream != nullptr) {
loadSurface(*pscrStream);
}
delete pscrStream;
stream.seek(pos + 12); // size of PScrList struct
return true;
}
void PLTFile::readHeader(Common::SeekableReadStream &plt) {
AuroraBase::readHeader(plt);
if (_id != kPLTID)
throw Common::Exception("Not a PLT file");
if (_version != kVersion1)
throw Common::Exception("Unsupported PLT file version %08X", _version);
uint32 layers = plt.readUint32LE();
if (layers > kLayerMAX)
throw Common::Exception("Too many layers (%d)", layers);
plt.skip(4); // Unknown
_width = plt.readUint32LE();
_height = plt.readUint32LE();
if ((plt.size() - plt.pos()) < (int32) (2 * _width * _height))
throw Common::Exception("Not enough data");
}
static GFFVersion identifyGFF(Common::SeekableReadStream &input, bool allowNWNPremium) {
uint32 id = 0xFFFFFFFF, version = 0xFFFFFFFF;
try {
size_t pos = input.pos();
id = input.readUint32BE();
version = input.readUint32BE();
input.seek(pos);
} catch (...) {
throw;
}
GFFVersion gffVersion;
if ((version == kVersion32) || (version == kVersion33)) {
gffVersion = kGFFVersion3;
allowNWNPremium = false;
} else if ((version == kVersion40) || (version == kVersion41)) {
gffVersion = kGFFVersion4;
allowNWNPremium = false;
} else if (allowNWNPremium && (FROM_BE_32(id) >= 0x30) && (FROM_BE_32(id) <= 0x12F)) {
gffVersion = kGFFVersion3;
} else
throw Common::Exception("Invalid GFF %s, %s",
Common::debugTag(id).c_str(), Common::debugTag(version).c_str());
size_t foundType = 0xFFFFFFFF;
for (size_t i = 0; i < ARRAYSIZE(kGFFTypes); i++) {
if (kGFFTypes[i] == id) {
foundType = i;
break;
}
}
if ((foundType == 0xFFFFFFFF) && !allowNWNPremium)
warning("Unknown GFF type %s", Common::debugTag(id).c_str());
return gffVersion;
}
void TwoDAFile::readRows2b(Common::SeekableReadStream &twoda) {
uint32 columnCount = _headers.size();
uint32 rowCount = _rows.size();
uint32 cellCount = columnCount * rowCount;
uint32 *offsets = new uint32[cellCount];
Common::StreamTokenizer tokenize(Common::StreamTokenizer::kRuleHeed);
tokenize.addSeparator('\0');
for (uint32 i = 0; i < cellCount; i++)
offsets[i] = twoda.readUint16LE();
twoda.skip(2); // Reserved
uint32 dataOffset = twoda.pos();
for (uint32 i = 0; i < rowCount; i++) {
_rows[i] = new TwoDARow(*this);
_rows[i]->_data.resize(columnCount);
for (uint32 j = 0; j < columnCount; j++) {
uint32 offset = dataOffset + offsets[i * columnCount + j];
try {
twoda.seek(offset);
} catch (...) {
delete[] offsets;
throw;
}
_rows[i]->_data[j] = tokenize.getToken(twoda);
if (_rows[i]->_data[j].empty())
_rows[i]->_data[j] = "****";
}
}
delete[] offsets;
}
static void decodeTRLE(uint8 *dst, int dstPitch, Common::Rect &dstRect, Common::SeekableReadStream &dataStream) {
dst += dstRect.top * dstPitch + dstRect.left;
int h = dstRect.bottom - dstRect.top + 1;
int w = dstRect.right - dstRect.left + 1;
while (h--) {
int lineSize = dataStream.readUint16LE();
int nextLineOffset = dataStream.pos() + lineSize;
uint8 *dstNextLine = dst + dstPitch;
if (lineSize != 0) {
uint8 *dstEnd = dst + w;
while (dst < dstEnd) {
int code = dataStream.readByte();
if (code & 1) { // skip
code >>= 1;
dst += code;
} else if (code & 2) { // set
code = (code >> 2) + 1;
const int sz = MIN<int>(code, dstEnd - dst);
memset(dst, dataStream.readByte(), sz);
dst += sz;
} else { // copy
static int seek_stream_wrap(void *dataSource, ogg_int64_t offset, int whence) {
Common::SeekableReadStream::Origin seekOrigin = Common::SeekableReadStream::kOriginMAX;
switch (whence) {
case SEEK_SET:
seekOrigin = Common::SeekableReadStream::kOriginBegin;
break;
case SEEK_CUR:
seekOrigin = Common::SeekableReadStream::kOriginCurrent;
break;
case SEEK_END:
seekOrigin = Common::SeekableReadStream::kOriginEnd;
break;
default:
assert(false);
break;
}
Common::SeekableReadStream *stream = static_cast<Common::SeekableReadStream *>(dataSource);
stream->seek((ptrdiff_t)offset, seekOrigin);
return stream->pos();
}
bool parseInstruction(Common::SeekableReadStream &ncs, Instruction &instr) {
instr.address = ncs.pos();
try {
instr.opcode = (Opcode) ncs.readByte();
instr.type = (InstructionType) ncs.readByte();
} catch (...) {
if (ncs.eos())
return false;
throw;
}
if (((size_t)instr.opcode >= ARRAYSIZE(kParseFunc)) || !kParseFunc[(size_t)instr.opcode])
throw Common::Exception("Invalid opcode 0x%02X", (uint8)instr.opcode);
const ParseFunc func = kParseFunc[(size_t)instr.opcode];
(*func)(instr, ncs);
return true;
}
CMusicSong::CMusicSong(int index) {
// Read in the list of song strings
Common::SeekableReadStream *res = g_vm->_filesManager->getResource("MUSIC/PARSER");
Common::StringArray parserStrings;
while (res->pos() < res->size())
parserStrings.push_back(readStringFromStream(res));
delete res;
// Set up a new song parser with the desired string
CSongParser parser(parserStrings[index].c_str());
// Count how many encoded values there are
CValuePair r;
int count = 0;
while (parser.parse(r))
++count;
assert(count > 0);
// Read in the values to the array
_data.resize(count);
parser.reset();
for (int idx = 0; idx < count; ++idx)
parser.parse(_data[idx]);
// Figure out the range of values in the array
_minVal = 0x7FFFFFFF;
int maxVal = -0x7FFFFFFF;
for (int idx = 0; idx < count; ++idx) {
CValuePair &vp = _data[idx];
if (vp._data != 0x7FFFFFFF) {
if (vp._data < _minVal)
_minVal = vp._data;
if (vp._data > maxVal)
maxVal = vp._data;
}
}
_range = maxVal - _minVal;
}
bool dumpStream(Common::SeekableReadStream &stream, const Common::UString &fileName) {
Common::WriteFile file;
if (!file.open(fileName))
return false;
size_t pos = stream.pos();
try {
stream.seek(0);
file.writeStream(stream);
stream.seek(pos);
file.flush();
} catch (...) {
stream.seek(pos);
return false;
}
file.close();
return true;
}
void NDSFile::readNames(Common::SeekableReadStream &nds, uint32 offset, uint32 length) {
if (!nds.seek(offset + 8))
throw Common::Exception(Common::kSeekError);
uint32 index = 0;
while (((uint32) nds.pos()) < (offset + length)) {
Resource res;
byte nameLength = nds.readByte();
Common::UString name;
name.readFixedASCII(nds, nameLength);
name.tolower();
res.name = TypeMan.setFileType(name, kFileTypeNone);
res.type = TypeMan.getFileType(name);
res.index = index++;
_resources.push_back(res);
}
}
void ScalpelInventory::loadInv() {
// Exit if the inventory names are already loaded
if (_names.size() > 0)
return;
// Load the inventory names
Common::SeekableReadStream *stream = _vm->_res->load("invent.txt");
int streamSize = stream->size();
while (stream->pos() < streamSize) {
Common::String name;
char c;
while ((c = stream->readByte()) != 0)
name += c;
_names.push_back(name);
}
delete stream;
loadGraphics();
}
ImageType Surface::identifyImage(Common::SeekableReadStream &stream) {
uint32 startPos = stream.pos();
if ((stream.size() - startPos) < 17)
return kImageTypeNone;
char buffer[10];
if (!stream.read(buffer, 10))
return kImageTypeNone;
stream.seek(startPos);
if (!strncmp(buffer , "FORM", 4))
return kImageTypeIFF;
if (!strncmp(buffer + 6, "JFIF", 4))
return kImageTypeJPEG;
if (!strncmp(buffer , "BRC" , 3))
return kImageTypeBRC;
if (!strncmp(buffer , "BM" , 2))
return kImageTypeBMP;
// Try to determine if it's maybe a TGA
stream.skip(12);
uint16 width = stream.readUint16LE();
uint16 height = stream.readUint16LE();
uint8 bpp = stream.readByte();
// Check width, height and bpp for sane values
if ((width == 0) || (height == 0) || (bpp == 0))
return kImageTypeNone;
if ((width > 800) || (height > 600))
return kImageTypeNone;
if ((bpp != 8) && (bpp != 16) && (bpp != 24) && (bpp != 32))
return kImageTypeNone;
// This might be a TGA
return kImageTypeTGA;
}
void Lua_V1::TextFileGetLineCount() {
char textBuf[1000];
lua_Object nameObj = lua_getparam(1);
if (lua_isnil(nameObj)) {
lua_pushnil();
return;
}
const char *filename = luaL_check_string(1);
Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();
Common::SeekableReadStream *file = saveFileMan->openForLoading(filename);
if (!file) {
lua_pushnil();
return;
}
lua_Object result = lua_createtable();
int line = 0;
for (;;) {
if (file->eos())
break;
lua_pushobject(result);
lua_pushnumber(line);
int pos = file->pos();
lua_pushnumber(pos);
lua_settable();
file->readLine(textBuf, 1000);
line++;
}
delete file;
lua_pushobject(result);
lua_pushstring("count");
lua_pushnumber(line);
lua_settable();
lua_pushobject(result);
}
void TopMenu::loadBmpArr(Common::SeekableReadStream &in) {
arraySize = in.readUint16BE();
delete arrayBmp;
arrayBmp = new Graphics::Surface *[arraySize * 2];
for (int i = 0; i < arraySize; i++) {
uint16 bmpSize = in.readUint16BE();
uint32 filPos = in.pos();
Common::SeekableSubReadStream stream(&in, filPos, filPos + bmpSize);
arrayBmp[i * 2] = Graphics::ImageDecoder::loadFile(stream, g_system->getOverlayFormat());
arrayBmp[i * 2 + 1] = new Graphics::Surface();
arrayBmp[i * 2 + 1]->create(arrayBmp[i * 2]->w * 2, arrayBmp[i * 2]->h * 2, g_system->getOverlayFormat());
byte *src = (byte *)arrayBmp[i * 2]->pixels;
byte *dst = (byte *)arrayBmp[i * 2 + 1]->pixels;
for (int j = 0; j < arrayBmp[i * 2]->h; j++) {
src = (byte *)arrayBmp[i * 2]->getBasePtr(0, j);
dst = (byte *)arrayBmp[i * 2 + 1]->getBasePtr(0, j * 2);
for (int k = arrayBmp[i * 2]->w; k > 0; k--) {
for (int m = arrayBmp[i * 2]->format.bytesPerPixel; m > 0; m--) {
*dst++ = *src++;
}
src -= arrayBmp[i * 2]->format.bytesPerPixel;
for (int m = arrayBmp[i * 2]->format.bytesPerPixel; m > 0; m--) {
*dst++ = *src++;
}
}
src = (byte *)arrayBmp[i * 2 + 1]->getBasePtr(0, j * 2);
dst = (byte *)arrayBmp[i * 2 + 1]->getBasePtr(0, j * 2 + 1);
for (int k = arrayBmp[i * 2 + 1]->pitch; k > 0; k--) {
*dst++ = *src++;
}
}
in.skip(bmpSize);
}
}
void AdlEngine_v3::loadItemDescriptions(Common::SeekableReadStream &stream, byte count) {
int32 startPos = stream.pos();
uint16 baseAddr = stream.readUint16LE();
// This code assumes that the first pointer points to a string that
// directly follows the pointer table
assert(baseAddr != 0);
baseAddr -= count * 2;
for (uint i = 0; i < count; ++i) {
stream.seek(startPos + i * 2);
uint16 offset = stream.readUint16LE();
if (offset > 0) {
stream.seek(startPos + offset - baseAddr);
_itemDesc.push_back(readString(stream, 0xff));
} else
_itemDesc.push_back(Common::String());
}
if (stream.eos() || stream.err())
error("Error loading item descriptions");
}
void SurfaceList::load(Common::SeekableReadStream &stream, Type type, int sub_hack) {
free();
byte fn = stream.readByte();
if (stream.eos())
return;
surfaces_n = fn - sub_hack;
debug(0, "loading %u surfaces from list (skip %d)", surfaces_n, sub_hack);
if (surfaces_n == 0)
return;
surfaces = new Surface[surfaces_n];
for (byte i = 0; i < surfaces_n; ++i) {
uint offset = stream.readUint16LE();
uint pos = stream.pos();
stream.seek(offset);
surfaces[i].load(stream, Surface::kTypeOns);
stream.seek(pos);
}
}
bool Resource::loadFileList(const Common::String &filedata) {
Common::SeekableReadStream *f = createReadStream(filedata);
if (!f)
return false;
uint32 filenameOffset = 0;
while ((filenameOffset = f->readUint32LE()) != 0) {
uint32 offset = f->pos();
f->seek(filenameOffset, SEEK_SET);
uint8 buffer[13];
f->read(buffer, sizeof(buffer)-1);
buffer[12] = 0;
f->seek(offset + 16, SEEK_SET);
Common::String filename = Common::String((char *)buffer);
filename.toUppercase();
if (filename.hasSuffix(".PAK")) {
if (!exists(filename.c_str()) && _vm->gameFlags().isDemo) {
// the demo version supplied with Kyra3 does not
// contain all pak files listed in filedata.fdt
// so we don't do anything here if they are non
// existant.
} else if (!loadPakFile(filename)) {
delete f;
error("couldn't load file '%s'", filename.c_str());
return false; // for compilers that don't support NORETURN
}
}
}
delete f;
return true;
}
