Common::SeekableReadStream *PEFile::getResource(uint32 index) const {
// Convert from the PE cursor group/cursor format to the standalone
// cursor format.
Common::MemoryWriteStreamDynamic out;
Common::SeekableReadStream *cursorGroup = _peFile->getResource(Common::kPEGroupCursor, index);
if (!cursorGroup)
return 0;
// Cursor Group Header
out.writeUint16LE(cursorGroup->readUint16LE());
out.writeUint16LE(cursorGroup->readUint16LE());
uint16 cursorCount = cursorGroup->readUint16LE();
out.writeUint16LE(cursorCount);
std::vector<Common::SeekableReadStream *> cursorStreams;
cursorStreams.resize(cursorCount);
uint32 startOffset = 6 + cursorCount * 16;
for (uint16 i = 0; i < cursorCount; i++) {
out.writeByte(cursorGroup->readUint16LE()); // width
out.writeByte(cursorGroup->readUint16LE() / 2); // height
cursorGroup->readUint16LE(); // planes
out.writeByte(cursorGroup->readUint16LE()); // bits per pixel
out.writeByte(0); // reserved
cursorGroup->readUint32LE(); // data size
uint16 id = cursorGroup->readUint16LE();
Common::SeekableReadStream *cursor = _peFile->getResource(Common::kPECursor, id);
if (!cursor) {
warning("Could not get cursor resource %d", id);
return 0;
}
out.writeUint16LE(cursor->readUint16LE()); // hotspot X
out.writeUint16LE(cursor->readUint16LE()); // hotspot Y
out.writeUint32LE(cursor->size() - 4); // size
out.writeUint32LE(startOffset); // offset
startOffset += cursor->size() - 4;
cursorStreams[i] = cursor;
}
for (uint32 i = 0; i < cursorStreams.size(); i++) {
byte *data = new byte[cursorStreams[i]->size() - 4];
cursorStreams[i]->read(data, cursorStreams[i]->size() - 4);
out.write(data, cursorStreams[i]->size() - 4);
delete cursorStreams[i];
}
return new Common::MemoryReadStream(out.getData(), out.size());
}
void ComposerEngine::loadAnimation(Animation *&anim, uint16 animId, int16 x, int16 y, int16 eventParam, int32 size) {
Common::SeekableReadStream *stream = NULL;
Pipe *newPipe = NULL;
// First, check the existing pipes.
for (Common::List<Pipe *>::iterator j = _pipes.begin(); j != _pipes.end(); j++) {
Pipe *pipe = *j;
if (!pipe->hasResource(ID_ANIM, animId))
continue;
stream = pipe->getResource(ID_ANIM, animId, false);
// When loading from savegame, make sure we have the correct stream
if ((!size) || (stream->size() >= size))
break;
stream = NULL;
}
// If we didn't find it, try the libraries.
if (!stream) {
if (!hasResource(ID_ANIM, animId)) {
warning("ignoring attempt to play invalid anim %d", animId);
return;
}
Common::List<Library>::iterator j;
for (j = _libraries.begin(); j != _libraries.end(); j++) {
if (!j->_archive->hasResource(ID_ANIM, animId))
continue;
stream = j->_archive->getResource(ID_ANIM, animId);
// When loading from savegame, make sure we have the correct stream
if ((!size) || (stream->size() >= size))
break;
stream = NULL;
}
uint32 type = j->_archive->getResourceFlags(ID_ANIM, animId);
// If the resource is a pipe itself, then load the pipe
// and then fish the requested animation out of it.
if (type != 1) {
_pipeStreams.push_back(stream);
newPipe = new Pipe(stream, animId);
_pipes.push_front(newPipe);
newPipe->nextFrame();
stream = newPipe->getResource(ID_ANIM, animId, false);
}
}
anim = new Animation(stream, animId, Common::Point(x, y), eventParam);
if (newPipe)
newPipe->_anim = anim;
}
ExpressCursorMan::ExpressCursorMan(OSystem *system, Common::Archive *arc) :
_syst(system), _current(255), _data(NULL) {
Common::SeekableReadStream *cursorFile;
cursorFile = arc->createReadStreamForMember("CURSORS.TBM");
if (cursorFile) {
_data = new byte[cursorFile->size()];
if (_data) {
cursorFile->read(_data, cursorFile->size());
}
}
}
bool Debugger::Cmd_DumpFile(int argc, const char **argv) {
if (argc < 2) {
debugPrintf("Usage: %s <resource> <unpack>\n", argv[0]);
debugPrintf(" resource: the resource name\n");
debugPrintf(" unpack: optional, when specified, the FAB/MADSPACK compressed resource is unpacked\n");
} else {
Common::DumpFile outFile;
Common::File inFile;
if (!inFile.open(argv[1])) {
debugPrintf("Specified resource does not exist\n");
} else {
outFile.open(argv[1]);
bool unpack = ((argc >= 3) && !scumm_stricmp(argv[2], "unpack"));
byte *data;
int totalSize = 0;
if (!unpack) {
totalSize = inFile.size();
data = new byte[totalSize];
inFile.read(data, totalSize);
} else {
MadsPack dataPack(&inFile);
int count = dataPack.getCount();
for (int i = 0; i < count; i++) {
totalSize += dataPack.getItem(i)._size;
}
data = new byte[totalSize];
byte *ptr = data;
for (int i = 0; i < count; i++) {
Common::SeekableReadStream *readStream = dataPack.getItemStream(i);
readStream->read(ptr, readStream->size());
ptr += readStream->size();
}
}
outFile.write(data, totalSize);
outFile.flush();
delete[] data;
inFile.close();
outFile.close();
debugPrintf("File written successfully.\n");
}
}
return true;
}
bool ADLPlayer::readHeader(Common::SeekableReadStream &adl, int &timbreCount) {
// Sanity check
if (adl.size() < 60) {
warning("ADLPlayer::readHeader(): File too small (%d)", adl.size());
return false;
}
_soundMode = adl.readByte();
timbreCount = adl.readByte() + 1;
adl.skip(1);
return true;
}
void VPXDecoder::decodeFrame(Graphics::Surface &surface, Common::SeekableReadStream &dataStream) {
if (!_initialized)
return;
// Read all the data from the stream
Common::ScopedArray<byte> data(new byte[dataStream.size()]);
dataStream.read(data.get(), dataStream.size());
// Perform the actual decode
vpx_codec_err_t result = vpx_codec_decode(&_context, data.get(), dataStream.size(), 0, 0);
if (result != VPX_CODEC_OK)
return;
// Try to get the image
vpx_codec_iter_t iter = 0;
vpx_image_t *image = vpx_codec_get_frame(&_context, &iter);
if (!image)
return;
// Figure out the color range
Graphics::YUVToRGBManager::LuminanceScale scale;
switch (image->range) {
case VPX_CR_STUDIO_RANGE:
scale = Graphics::YUVToRGBManager::kScaleITU;
break;
case VPX_CR_FULL_RANGE:
scale = Graphics::YUVToRGBManager::kScaleFull;
break;
default:
return;
}
// If we don't have it already, create our local surface
if (!_surface)
_surface.reset(new Graphics::Surface(image->w, image->h));
// Do the conversion based on the color space
switch (image->fmt) {
case VPX_IMG_FMT_I420:
YUVToRGBMan.convert420(scale, _surface->getData(), _surface->getPitch(), image->planes[0], image->planes[1], image->planes[2], image->w, image->h, image->stride[0], image->stride[1]);
break;
default:
return;
}
// Copy the subarea into the surface
for (int y = 0; y < surface.getHeight(); y++)
memcpy(surface.getData() + y * surface.getPitch(), _surface->getData() + (y * image->d_h) * image->d_w * 4, image->d_w * 4);
}
void SBM::readData(Common::SeekableReadStream &sbm, bool deswizzle) {
if ((sbm.size() % 1024) != 0)
throw Common::Exception("Invalid SBM (%u)", (uint)sbm.size());
const size_t rowCount = (sbm.size() / 1024);
_mipMaps.push_back(new MipMap);
_mipMaps[0]->width = 4 * 32;
_mipMaps[0]->height = NEXTPOWER2((uint32) rowCount * 32);
_mipMaps[0]->size = _mipMaps[0]->width * _mipMaps[0]->height * 4;
_mipMaps[0]->data.reset(new byte[_mipMaps[0]->size]);
// SBM data consists of character sized 32 * 32 pixels, with 2 bits per pixel.
// 4 characters each are on top of each other, occupying the same x/y
// coordinates but different planes.
// We'll unpack them and draw them next to each other instead.
static const int masks [4] = { 0x03, 0x0C, 0x30, 0xC0 };
static const int shifts[4] = { 0, 2, 4, 6 };
byte *data = _mipMaps[0]->data.get();
byte buffer[1024];
for (size_t c = 0; c < rowCount; c++) {
if (sbm.read(buffer, 1024) != 1024)
throw Common::Exception(Common::kReadError);
for (int y = 0; y < 32; y++) {
for (int plane = 0; plane < 4; plane++) {
for (int x = 0; x < 32; x++) {
const uint32 offset = deswizzle ? deSwizzleOffset(x, y, 32, rowCount) : (y * 32 + x);
const byte a = ((buffer[offset] & masks[plane]) >> shifts[plane]) * 0x55;
*data++ = 0xFF; // B
*data++ = 0xFF; // G
*data++ = 0xFF; // R
*data++ = a; // A
}
}
}
}
byte *dataEnd = _mipMaps[0]->data.get() + _mipMaps[0]->size;
std::memset(data, 0, dataEnd - data);
}
static void io_appendto() {
Common::String s = Common::lastPathComponent(luaL_check_string(FIRSTARG), '\\');
Common::SeekableReadStream *inFile = NULL;
Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();
inFile = saveFileMan->openForLoading(s);
if (!inFile) {
pushresult(0);
return;
}
int size = inFile->size();
byte *buf = new byte[size];
inFile->read(buf, size);
delete inFile;
Common::WriteStream *outFile = NULL;
outFile = saveFileMan->openForSaving(s);
if (!outFile)
pushresult(0);
else {
outFile->write(buf, size);
LuaFile *current = new LuaFile();
current->_out = outFile;
current->_filename = s;
setreturn(addfile(current), FOUTPUT);
}
delete[] buf;
}
int32 AudioManager::playSFX(int32 id, int volume , bool genericSFX) {
debugC(4, kDebugAudio, "playSFX(%d, %d)", id, (genericSFX) ? 1 : 0);
// find a free SFX channel
Common::SeekableReadStream *stream;
if (genericSFX)
stream = _audioPacks[2]->getStream(id, true);
else
stream = _audioPacks[3]->getStream(id, true);
if (stream->size() == 0)
return -1;
for (int32 i = 3; i < 16; i++) {
if (!_channels[i]) {
_channels[i] = new AudioStreamInstance(this, _mixer, stream, false, true);
_channels[i]->play(false, Audio::Mixer::kSFXSoundType);
_channels[i]->setVolume(_sfxMuted ? 0 : volume);
return i;
}
}
return -1;
}
Common::String Resource::getMessage(uint16 id, uint16 message) {
Common::SeekableReadStream *lookup = _text->createReadStreamForIndex(id + 6);
Common::SeekableReadStream *strings = _text->createReadStreamForIndex(id + 7);
char buff[1024];
int j = 0;
int size = lookup->size()/2;
for (int i = 0; i < size; ++i) {
uint16 val = lookup->readUint16LE();
if (val == message) {
strings->seek(i*2);
uint16 offset = strings->readUint16LE();
char c = 0;
strings->seek(offset);
do {
c = strings->readByte();
buff[j++] = c;
} while (c != 0);
return buff;
}
}
return "";
}
bool DIBDecoder::loadStream(Common::SeekableReadStream &stream) {
uint32 headerSize = stream.readUint32LE();
if (headerSize != 40)
return false;
uint32 width = stream.readUint32LE();
uint32 height = stream.readUint32LE();
stream.readUint16LE(); // planes
uint16 bitsPerPixel = stream.readUint16LE();
uint32 compression = stream.readUint32BE();
/* uint32 imageSize = */ stream.readUint32LE();
/* uint32 pixelsPerMeterX = */ stream.readUint32LE();
/* uint32 pixelsPerMeterY = */ stream.readUint32LE();
_paletteColorCount = stream.readUint32LE();
/* uint32 colorsImportant = */ stream.readUint32LE();
_paletteColorCount = (_paletteColorCount == 0) ? 255: _paletteColorCount;
Common::SeekableSubReadStream subStream(&stream, 40, stream.size());
_codec = Image::createBitmapCodec(compression, width, height, bitsPerPixel);
if (!_codec)
return false;
_surface = _codec->decodeFrame(subStream);
return true;
}
void DrasculaEngine::playFile(const char *fname) {
Common::SeekableReadStream *stream = _archives.open(fname);
if (stream) {
int startOffset = 0;
int soundSize = stream->size() - startOffset;
if (!strcmp(fname, "3.als") && soundSize == 145166 && _lang != kSpanish) {
// WORKAROUND: File 3.als with English speech files has a big silence at
// its beginning and end. We seek past the silence at the beginning,
// and ignore the silence at the end
// Fixes bug #2111815 - "DRASCULA: Voice delayed"
startOffset = 73959;
soundSize = soundSize - startOffset - 26306;
}
Common::SeekableReadStream *subStream = new Common::SeekableSubReadStream(
stream, startOffset, startOffset + soundSize, DisposeAfterUse::YES);
if (!subStream) {
warning("playFile: Out of memory");
delete stream;
return;
}
Audio::AudioStream *sound = Audio::makeRawStream(subStream, 11025,
Audio::FLAG_UNSIGNED);
_mixer->playStream(Audio::Mixer::kSpeechSoundType, &_soundHandle, sound);
} else
warning("playFile: Could not open %s", fname);
}
Common::WriteStream *ScummEngine_v60he::openSaveFileForAppending(const byte *fileName) {
Common::SeekableReadStream *initialFile = openSaveFileForReading(fileName);
byte *initialData = 0;
uint32 initialDataSize = 0;
if (initialFile) {
initialDataSize = initialFile->size();
if (initialDataSize > 0) {
initialData = new byte[initialDataSize];
initialFile->read(initialData, initialDataSize);
}
delete initialFile;
}
Common::WriteStream *output = openSaveFileForWriting(fileName);
if (!output) {
delete[] initialData;
return nullptr;
}
if (initialData) {
output->write(initialData, initialDataSize);
delete[] initialData;
}
return output;
}
int MadsSpriteSlots::addSprites(const char *resName, bool suppressErrors, int flags) {
// If errors are suppressed, first check if the resource exists
if (suppressErrors) {
if (!_vm->res()->resourceExists(resName))
return -1;
}
// Append on a '.SS' suffix if the resource doesn't already have an extension
char buffer[100];
strncpy(buffer, resName, 95);
buffer[95] = '\0';
if (!strchr(buffer, '.'))
strcat(buffer, ".SS");
// Get the sprite set
Common::SeekableReadStream *data = _vm->res()->get(buffer);
SpriteAsset *spriteSet = new SpriteAsset(_vm, data, data->size(), buffer, false, flags);
spriteSet->translate(_madsVm->_palette);
assert(spriteSet != NULL);
_sprites.push_back(spriteSet);
_vm->res()->toss(buffer);
return _sprites.size() - 1;
}
void DrasculaEngine::playFile(const char *fname) {
Common::SeekableReadStream *stream = _archives.open(fname);
if (stream) {
int soundSize = stream->size();
byte *soundData = (byte *)malloc(soundSize);
if (!(!strcmp(fname, "3.als") && soundSize == 145166 && _lang != kSpanish)) {
stream->seek(32);
} else {
// WORKAROUND: File 3.als with English speech files has a big silence at
// its beginning and end. We seek past the silence at the beginning,
// and ignore the silence at the end
// Fixes bug #2111815 - "DRASCULA: Voice delayed"
stream->seek(73959, SEEK_SET);
soundSize = 117158 - 73959;
}
stream->read(soundData, soundSize);
delete stream;
_subtitlesDisabled = !ConfMan.getBool("subtitles");
if (ConfMan.getBool("speech_mute"))
memset(soundData, 0x80, soundSize); // Mute speech but keep the pause
Audio::AudioStream *sound = Audio::makeRawStream(soundData, soundSize - 64,
11025, Audio::FLAG_UNSIGNED);
_mixer->playStream(Audio::Mixer::kSpeechSoundType, &_soundHandle, sound);
} else
warning("playFile: Could not open %s", fname);
}
void DrasculaEngine::loadPic(const char *NamePcc, byte *targetSurface, int colorCount) {
debug(5, "loadPic(%s)", NamePcc);
uint dataSize = 0;
byte *pcxData;
Common::SeekableReadStream *stream = _archives.open(NamePcc);
if (!stream)
error("missing game data %s %c", NamePcc, 7);
dataSize = stream->size() - 128 - (256 * 3);
pcxData = (byte *)malloc(dataSize);
stream->seek(128, SEEK_SET);
stream->read(pcxData, dataSize);
decodeRLE(pcxData, targetSurface);
free(pcxData);
for (int i = 0; i < 256; i++) {
cPal[i * 3 + 0] = stream->readByte();
cPal[i * 3 + 1] = stream->readByte();
cPal[i * 3 + 2] = stream->readByte();
}
delete stream;
setRGB((byte *)cPal, colorCount);
}
void Font::setFontMads(const char *filename) {
MadsPack fontData(filename, _vm);
Common::SeekableReadStream *fontFile = fontData.getItemStream(0);
_maxHeight = fontFile->readByte();
_maxWidth = fontFile->readByte();
_charWidths = new uint8[128];
// Char data is shifted by 1
_charWidths[0] = 0;
fontFile->read(_charWidths + 1, 127);
fontFile->readByte(); // remainder
_charOffs = new uint16[128];
uint32 startOffs = 2 + 128 + 256;
uint32 fontSize = fontFile->size() - startOffs;
// Char data is shifted by 1
_charOffs[0] = 0;
for (int i = 1; i < 128; i++)
_charOffs[i] = fontFile->readUint16LE() - startOffs;
fontFile->readUint16LE(); // remainder
_charData = new uint8[fontSize];
fontFile->read(_charData, fontSize);
delete fontFile;
}
void Surface::load(Common::SeekableReadStream &stream, Type type) {
//debug(0, "load()");
free();
x = y = 0;
uint16 w_ = stream.readUint16LE();
uint16 h_ = stream.readUint16LE();
if (type != kTypeLan) {
uint16 pos = stream.readUint16LE();
x = pos % 320;
y = pos / 320;
}
//debug(0, "declared info: %ux%u (%04xx%04x) -> %u,%u", w_, h_, w_, h_, x, y);
if (stream.eos() || w_ == 0)
return;
if (w_ * h_ > stream.size()) {
debug(0, "invalid surface %ux%u -> %u,%u", w_, h_, x, y);
return;
}
//debug(0, "creating surface %ux%u -> %u,%u", w_, h_, x, y);
create(w_, h_, Graphics::PixelFormat::createFormatCLUT8());
stream.read(pixels, w_ * h_);
}
Common::SeekableReadStream *HERFFile::getResource(uint32 index) const {
const IResource &res = getIResource(index);
if (res.size == 0)
return new Common::MemoryReadStream(0, 0);
Common::SeekableReadStream *herf = ResMan.getResource(TypeMan.setFileType(_fileName, kFileTypeNone), kFileTypeHERF);
if (!herf)
throw Common::Exception(Common::kOpenError);
if (!herf->seek(res.offset)) {
delete herf;
throw Common::Exception(Common::kSeekError);
}
Common::SeekableReadStream *resStream = herf->readStream(res.size);
if (!resStream || (((uint32) resStream->size()) != res.size)) {
delete herf;
delete resStream;
throw Common::Exception(Common::kReadError);
}
delete herf;
return resStream;
}
void SSFFile::load(Common::SeekableReadStream &ssf) {
readHeader(ssf);
if (_id != kSSFID)
throw Common::Exception("Not a SSF file");
if ((_version != kVersion1) && (_version != kVersion11))
throw Common::Exception("Unsupported SSF file version %08X", _version);
uint32 entryCount = 0;
if (_version == kVersion1)
entryCount = ssf.readUint32LE();
uint32 offEntryTable = ssf.readUint32LE();
if (_version == kVersion11)
entryCount = (ssf.size() - offEntryTable) / 4;
_sounds.resize(entryCount);
try {
readEntries(ssf, offEntryTable);
if (ssf.err())
throw Common::Exception(Common::kReadError);
} catch (Common::Exception &e) {
e.add("Failed reading SSF file");
throw e;
}
}
void HERFFile::getDictionary(std::list<uint32> &hashes, std::list<Common::UString> &names) const {
hashes.clear();
names.clear();
if (_dictIndex == 0xFFFFFFFF)
return;
Common::SeekableReadStream *dict = getResource(_dictIndex);
dict->skip(8); // unknown
while (dict->pos() < dict->size()) {
uint32 hash = dict->readUint32LE();
if (hash == 0)
break;
hashes.push_back(hash);
names.push_back("");
names.back().readFixedASCII(*dict, 128);
names.back().tolower();
}
delete dict;
}
bool Sprite::loadFromSaturnCursor(Common::SeekableReadStream &cursor) {
if (cursor.size() != 260)
return false;
_fromCursor = true;
create(16, 16);
cursor.seek(0);
_feetX = cursor.readUint16BE();
_feetY = cursor.readUint16BE();
byte *img = (byte *) _surfaceTrueColor.pixels;
for (int32 y = 0; y < 16; y++) {
for (int32 x = 0; x < 16; x++) {
const uint8 p = cursor.readByte();
const uint32 c = (p == 0) ? ImgConv.getColor(0, 0, 255) : ImgConv.getColor(255 - p, 255 - p, 255 - p);
ImgConv.writeColor(img, c);
img += _surfaceTrueColor.bytesPerPixel;
}
}
return true;
}
void MadsM4Engine::dumpFile(const char* filename, bool uncompress) {
Common::DumpFile f;
byte buffer[DUMP_BUFFER_SIZE];
Common::SeekableReadStream *fileS = res()->get(filename);
if (!f.open(filename))
error("Could not open '%s' for writing", filename);
int bytesRead = 0;
warning("Dumping %s, size: %i\n", filename, fileS->size());
if (!uncompress) {
while (!fileS->eos()) {
bytesRead = fileS->read(buffer, DUMP_BUFFER_SIZE);
f.write(buffer, bytesRead);
}
} else {
MadsPack packData(fileS);
Common::SeekableReadStream *sourceUnc;
for (int i = 0; i < packData.getCount(); i++) {
sourceUnc = packData.getItemStream(i);
debugCN(kDebugCore, "Dumping compressed chunk %i of %i, size is %i\n", i + 1, packData.getCount(), sourceUnc->size());
while (!sourceUnc->eos()) {
bytesRead = sourceUnc->read(buffer, DUMP_BUFFER_SIZE);
f.write(buffer, bytesRead);
}
delete sourceUnc;
}
}
f.close();
res()->toss(filename);
res()->purge();
}
GameInterfaceView::GameInterfaceView(M4Engine *vm):
View(vm, Common::Rect(0, vm->_screen->height() - INTERFACE_HEIGHT,
vm->_screen->width(), vm->_screen->height())),
_statusText(GUITextField(this, Common::Rect(200, 1, 450, 21))),
_inventory(GUIInventory(this, vm, Common::Rect(188, 22, 539, 97), 9, 1, 39, 75, 3)) {
_screenType = VIEWID_INTERFACE;
_screenFlags.layer = LAYER_INTERFACE;
_screenFlags.visible = false;
_screenFlags.get = SCREVENT_MOUSE;
_highlightedIndex = -1;
_selected = false;
Common::SeekableReadStream *data = _vm->res()->get(INTERFACE_SERIES);
RGB8 *palette;
_sprites = new SpriteAsset(_vm, data, data->size(), INTERFACE_SERIES);
palette = _sprites->getPalette();
//Palette.setPalette(palette, 0, _sprites->getColorCount());
_vm->res()->toss(INTERFACE_SERIES);
// Setup the interface buttons
_buttons.push_back(ButtonList::value_type(new GUIButton(this, Common::Rect(15, 35, 47, 66), 0, SPR(0), SPR(1), SPR(2)))); // look
_buttons.push_back(ButtonList::value_type(new GUIButton(this, Common::Rect(60, 35, 92, 66), 1, SPR(3), SPR(4), SPR(5)))); // take
_buttons.push_back(ButtonList::value_type(new GUIButton(this, Common::Rect(105, 35, 137, 66), 2, SPR(6), SPR(7), SPR(8)))); // manipulate
_buttons.push_back(ButtonList::value_type(new GUIButton(this, Common::Rect(580, 10, 620, 69), 3, SPR(69), SPR(70), SPR(71)))); // abduction
_buttons.push_back(ButtonList::value_type(new GUIButton(this, Common::Rect(582, 70, 619, 105), 4, SPR(76), SPR(77), SPR(78)))); // menu
_buttons.push_back(ButtonList::value_type(new GUIButton(this, Common::Rect(168, 22, 188, 97), 5, SPR(60), SPR(61), SPR(62)))); // Scroll left
_buttons.push_back(ButtonList::value_type(new GUIButton(this, Common::Rect(539, 22, 559, 97), 6, SPR(64), SPR(65), SPR(66)))); // Scroll right
}
bool BITDDecoder::loadStream(Common::SeekableReadStream &stream) {
int x = 0, y = 0;
// If the stream has exactly the required number of bits for this image,
// we assume it is uncompressed.
if (stream.size() * 8 == _surface->pitch * _surface->h) {
debugC(3, kDebugImages, "Skipping compression");
for (y = 0; y < _surface->h; y++) {
for (x = 0; x < _surface->pitch; ) {
byte color = stream.readByte();
for (int c = 0; c < 8; c++)
*((byte *)_surface->getBasePtr(x++, y)) = (color & (1 << (7 - c))) ? 0 : 0xff;
}
}
return true;
}
while (y < _surface->h) {
int n = stream.readSByte();
int count;
int b = 0;
int state = 0;
if (stream.eos())
break;
if ((n >= 0) && (n <= 127)) { // If n is between 0 and 127 inclusive, copy the next n+1 bytes literally.
count = n + 1;
state = 1;
} else if ((n >= -127) && (n <= -1)) { // Else if n is between -127 and -1 inclusive, copy the next byte -n+1 times.
b = stream.readByte();
count = -n + 1;
state = 2;
} else { // Else if n is -128, noop.
count = 0;
}
for (int i = 0; i < count && y < _surface->h; i++) {
byte color = 0;
if (state == 1) {
color = stream.readByte();
} else if (state == 2)
color = b;
for (int c = 0; c < 8; c++) {
*((byte *)_surface->getBasePtr(x, y)) = (color & (1 << (7 - c))) ? 0 : 0xff;
x++;
if (x == _surface->pitch) {
y++;
x = 0;
break;
}
}
}
}
return true;
}
bool Script::loadScript(Common::String filename) {
Common::SeekableReadStream *scriptfile = 0;
if (_vm->_macResFork) {
// Try to open the script file from the resource fork
scriptfile = _vm->_macResFork->getResource(filename);
} else {
// Try to open the script file
scriptfile = SearchMan.createReadStreamForMember(filename);
}
if (!scriptfile)
return false;
// Save the script filename
_scriptFile = filename;
// Load the code
_codeSize = scriptfile->size();
_code = new byte[_codeSize];
if (!_code)
return false;
scriptfile->read(_code, _codeSize);
delete scriptfile;
// Patch the loaded code for known script bugs
if (filename.equals("dr.grv")) {
// WORKAROUND for the cake puzzle glitch (bug #2458322): Lowering the
// piece on the first column and second row updates the wrong script
// variable
assert(_codeSize == 5546);
_code[0x03C2] = 0x38;
} else if (filename.equals("maze.grv")) {
// GRAPHICS ENHANCEMENT - Leave a skeleton in the maze.
// Replaces one normal T intersection with the unused(?)
// skeleton T intersection graphics.
assert(_codeSize == 3652);
// Terminating T branch
_code[0x0769] = 0x46;
_code[0x0774] = 0x3E;
_code[0x077A] = 0x42;
// T with branch on right
_code[0x08E2] = 0x43;
_code[0x08D7] = 0x44;
_code[0x08E8] = 0x45;
// T with branch on left
_code[0x0795] = 0x41;
_code[0x078A] = 0x40;
_code[0x079B] = 0x3F;
}
// Initialize the script
_currentInstruction = 0;
return true;
}
byte *PackageManager::getFile(const Common::String &fileName, uint *fileSizePtr) {
const Common::String B25S_EXTENSION(".b25s");
Common::SeekableReadStream *in;
if (fileName.hasSuffix(B25S_EXTENSION)) {
// Savegame loading logic
Common::SaveFileManager *sfm = g_system->getSavefileManager();
Common::InSaveFile *file = sfm->openForLoading(
FileSystemUtil::getPathFilename(fileName));
if (!file) {
BS_LOG_ERRORLN("Could not load savegame \"%s\".", fileName.c_str());
return 0;
}
if (fileSizePtr)
*fileSizePtr = file->size();
byte *buffer = new byte[file->size()];
file->read(buffer, file->size());
delete file;
return buffer;
}
Common::ArchiveMemberPtr fileNode = getArchiveMember(normalizePath(fileName, _currentDirectory));
if (!fileNode)
return 0;
if (!(in = fileNode->createReadStream()))
return 0;
// If the filesize is desired, then output the size
if (fileSizePtr)
*fileSizePtr = in->size();
// Read the file
byte *buffer = new byte[in->size()];
int bytesRead = in->read(buffer, in->size());
delete in;
if (!bytesRead) {
delete[] buffer;
return NULL;
}
return buffer;
}
void MainWindow::exportBMUMP3Impl(Common::SeekableReadStream &bmu, Common::WriteStream &mp3) {
if ((bmu.size() <= 8) ||
(bmu.readUint32BE() != MKTAG('B', 'M', 'U', ' ')) ||
(bmu.readUint32BE() != MKTAG('V', '1', '.', '0')))
throw Common::Exception("Not a valid BMU file");
mp3.writeStream(bmu);
}
void TitanicEngine::setItemNames() {
Common::SeekableReadStream *r;
r = g_vm->_filesManager->getResource("TEXT/ITEM_NAMES");
while (r->pos() < r->size())
_itemNames.push_back(readStringFromStream(r));
delete r;
r = g_vm->_filesManager->getResource("TEXT/ITEM_DESCRIPTIONS");
while (r->pos() < r->size())
_itemDescriptions.push_back(readStringFromStream(r));
delete r;
r = g_vm->_filesManager->getResource("TEXT/ITEM_IDS");
while (r->pos() < r->size())
_itemIds.push_back(readStringFromStream(r));
delete r;
}
void TRXFile::loadDirectory(Common::SeekableReadStream &trx, std::vector<Packet> &packets) {
for (std::vector<Packet>::iterator p = packets.begin(); p != packets.end(); ++p) {
p->type = trx.readUint32BE();
p->offset = trx.readUint32LE();
if (p->offset >= (uint)trx.size())
throw Common::Exception("Offset of 0x%08X packet too big (%d)", p->type, p->offset);
}
}