void XEOSITEX::readHeader(Common::SeekableReadStream &xeositex) {
const uint32 magic1 = xeositex.readUint32BE();
const uint32 magic2 = xeositex.readUint32BE();
if ((magic1 != kXEOSID) || (magic2 != kITEXID))
throw Common::Exception("Not a valid XEOSITEX (%s, %s)",
Common::debugTag(magic1).c_str(), Common::debugTag(magic2).c_str());
const uint32 version = xeositex.readUint32LE();
if (version != 0)
throw Common::Exception("Invalid XEOSITEX version %u", version);
const uint32 pixelFormat = xeositex.readUint32LE();
if ((pixelFormat != 3) && (pixelFormat != 4))
throw Common::Exception("Invalid XEOSITEX pixel format %u", pixelFormat);
if (pixelFormat == 3) {
_format = kPixelFormatBGR;
_formatRaw = kPixelFormatRGB8;
_dataType = kPixelDataType8;
} else if (pixelFormat == 4) {
_format = kPixelFormatBGRA;
_formatRaw = kPixelFormatRGBA8;
_dataType = kPixelDataType8;
}
_wrapX = xeositex.readByte() != 0;
_wrapY = xeositex.readByte() != 0;
_flipX = xeositex.readByte() != 0;
_flipY = xeositex.readByte() != 0;
_coordTransform = xeositex.readByte();
const uint32 mipMaps = xeositex.readUint32LE();
_mipMaps.resize(mipMaps, 0);
}
void GameModule::loadActions(Common::SeekableReadStream &s) {
debug(0, "GameModule::loadActions()");
s.seek(0x180);
_actionsCount = s.readUint32LE();
uint32 offs = s.readUint32LE();
_actions = new Action[_actionsCount];
for (int i = 0; i < _actionsCount; ++i) {
s.seek(offs + i * 72);
debug(0, "Action(%d) offs: %08X", i, offs + i * 72);
_actions[i].conditions = readConditions(s);
for (int j = 0; j < 8; ++j) {
_actions[i].results.actionResults[j].kind = s.readByte();
_actions[i].results.actionResults[j].value1 = s.readByte();
_actions[i].results.actionResults[j].value2 = s.readUint16LE();
}
const int actionListCount = s.readUint32LE();
const uint32 actionListOffs = s.readUint32LE();
s.seek(actionListOffs);
for (int j = 0; j < actionListCount; ++j) {
ActionCommand actionCommand;
actionCommand.cmd = s.readUint16LE();
actionCommand.sceneObjectIndex = s.readUint16LE();
actionCommand.timeStamp = s.readUint32LE();
actionCommand.walkDest = readPoint(s);
actionCommand.param = s.readUint32LE();
_actions[i].actionCommands.push_back(actionCommand);
}
}
}
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 Resource::loadGridDefaults() {
Common::SeekableReadStream *stream = _bkg->createReadStreamForIndex(0);
_firstGrid = stream->readUint16LE();
_firstGridFragment = stream->readUint16LE();
_firstLibrary = stream->readUint16LE();
_firstBlock = stream->readUint16LE();
_numBlocks = stream->readUint16LE();
_numScenes = 0;
delete stream;
stream = _bkg->createReadStreamForIndex(_firstBlock + _numBlocks);
for (;;) {
byte opcode = stream->readByte();
byte id = stream->readByte();
if (opcode == 0) {
break;
} else if (opcode == 1) {
_scenes[_numScenes]._isIsland = false;
} else if (opcode == 2) {
_scenes[_numScenes]._isIsland = true;
}
_scenes[_numScenes]._id = id;
++_numScenes;
}
delete stream;
}
Common::String MohawkEngine_Riven::getName(uint16 nameResource, uint16 nameID) {
Common::SeekableReadStream* nameStream = getResource(ID_NAME, nameResource);
uint16 fieldCount = nameStream->readUint16BE();
uint16* stringOffsets = new uint16[fieldCount];
Common::String name;
char c;
if (nameID < fieldCount) {
for (uint16 i = 0; i < fieldCount; i++)
stringOffsets[i] = nameStream->readUint16BE();
for (uint16 i = 0; i < fieldCount; i++)
nameStream->readUint16BE(); // Skip unknown values
nameStream->seek(stringOffsets[nameID], SEEK_CUR);
c = (char)nameStream->readByte();
while (c) {
name += c;
c = (char)nameStream->readByte();
}
}
delete nameStream;
delete[] stringOffsets;
return name;
}
bool TGADecoder::readColorMap(Common::SeekableReadStream &tga, byte imageType, byte pixelDepth) {
_colorMap = new byte[3 * _colorMapLength];
for (int i = 0; i < _colorMapLength * 3; i += 3) {
byte r, g, b;
if (_colorMapEntryLength == 32) {
byte a;
Graphics::PixelFormat format(4, 8, 8, 8, 0, 16, 8, 0, 24);
uint32 color = tga.readUint32LE();
format.colorToARGB(color, a, r, g, b);
} else if (_colorMapEntryLength == 24) {
r = tga.readByte();
g = tga.readByte();
b = tga.readByte();
} else if (_colorMapEntryLength == 16) {
byte a;
Graphics::PixelFormat format(2, 5, 5, 5, 0, 10, 5, 0, 15);
uint16 color = tga.readUint16LE();
format.colorToARGB(color, a, r, g, b);
} else {
warning("Unsupported image type: %d", imageType);
r = g = b = 0;
}
#ifdef SCUMM_LITTLE_ENDIAN
_colorMap[i] = r;
_colorMap[i + 1] = g;
_colorMap[i + 2] = b;
#else
_colorMap[i] = b;
_colorMap[i + 1] = g;
_colorMap[i + 2] = r;
#endif
}
return true;
}
void ImageFile::loadPalette(Common::SeekableReadStream &stream) {
// Check for palette
uint16 width = stream.readUint16LE() + 1;
uint16 height = stream.readUint16LE() + 1;
byte paletteBase = stream.readByte();
byte rleEncoded = stream.readByte();
byte offsetX = stream.readByte();
byte offsetY = stream.readByte();
uint32 palSignature = 0;
if ((width == 390) && (height == 2) && (!paletteBase) && (!rleEncoded) && (!offsetX) && (!offsetY)) {
// We check for these specific values
// We can't do "width * height", because at least the first German+Spanish menu bar is 60 x 13
// which is 780, which is the size of the palette. We obviously don't want to detect it as palette.
// As another security measure, we also check for the signature text
palSignature = stream.readUint32BE();
if (palSignature != MKTAG('V', 'G', 'A', ' ')) {
// signature mismatch, rewind
stream.seek(-12, SEEK_CUR);
return;
}
// Found palette, so read it in
stream.seek(8, SEEK_CUR); // Skip over the rest of the signature text "VGA palette"
for (int idx = 0; idx < PALETTE_SIZE; ++idx)
_palette[idx] = VGA_COLOR_TRANS(stream.readByte());
} else {
// Not a palette, so rewind to start of frame data for normal frame processing
stream.seek(-8, SEEK_CUR);
}
}
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 ActorType::load(byte *dataStart, Common::SeekableReadStream &stream) {
_actorTypeId = stream.readUint32LE();
_surfInfo.load(stream);
uint32 pointsConfigOffs = stream.readUint32LE();
uint namedPointsCount = stream.readUint16LE();
stream.skip(2); // Skip padding
uint32 namedPointsOffs = stream.readUint32LE();
_color.r = stream.readByte();
_color.g = stream.readByte();
_color.b = stream.readByte();
stream.readByte(); // Skip padding
_scale = stream.readByte();
_priority = stream.readByte();
_value1E = stream.readUint16LE();
_pathWalkPointsIndex = stream.readUint16LE();
_scaleLayerIndex = stream.readUint16LE();
_pathWalkRectIndex = stream.readUint16LE();
_priorityLayerIndex = stream.readUint16LE();
_regionLayerIndex = stream.readUint16LE();
_flags = stream.readUint16LE();
_pointsConfig = dataStart + pointsConfigOffs;
stream.seek(namedPointsOffs);
_namedPoints.load(namedPointsCount, stream);
debug(5, "ActorType::load() _actorTypeId: %08X; _color(%d,%d,%d); _scale: %d; _priority: %d; _value1E: %d",
_actorTypeId, _color.r, _color.g, _color.b, _scale, _priority, _value1E);
debug(5, "ActorType::load() _pathWalkPointsIndex: %d; _scaleLayerIndex: %d; _pathWalkRectIndex: %d",
_pathWalkPointsIndex, _scaleLayerIndex, _pathWalkRectIndex);
debug(5, "ActorType::load() _priorityLayerIndex: %d; _regionLayerIndex: %d; _flags: %04X",
_priorityLayerIndex, _regionLayerIndex,_flags);
}
void Graphics::setBackgroundImage(Common::String filename) {
delete[] _palette;
_palette = new byte[256 * 3];
Common::SeekableReadStream *scrStream = _vm->data.openFile(filename);
for (uint16 i = 0; i < 128; i++) {
_palette[i * 3] = scrStream->readByte();
_palette[i * 3 + 1] = scrStream->readByte();
_palette[i * 3 + 2] = scrStream->readByte();
}
memcpy(_palette + 128*3, _basePalette, 128*3);
for (uint16 i = 0; i < 256; i++) {
for (byte j = 0; j < 3; j++) {
_palette[i * 3 + j] = _palette[i * 3 + j] << 2;
}
}
_vm->_system->getPaletteManager()->setPalette(_palette, 0, 256);
// some of the files seem to be 480 high, but just padded with black
_background.width = 640;
_background.height = 480;
delete[] _background.data;
_background.data = new byte[_background.width * _background.height];
scrStream->read(_background.data, _background.width * _background.height);
delete scrStream;
}
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;
}
void AmazonResources::load(Common::SeekableReadStream &s) {
Resources::load(s);
uint count;
// Load the version specific data
NO_HELP_MESSAGE = readString(s);
NO_HINTS_MESSAGE = readString(s);
RIVER_HIT1 = readString(s);
RIVER_HIT2 = readString(s);
BAR_MESSAGE = readString(s);
for (int idx = 0; idx < 3; ++idx)
HELPLVLTXT[idx] = readString(s);
for (int idx = 0; idx < 9; ++idx)
IQLABELS[idx] = readString(s);
CANT_GET_THERE = readString(s);
// Get the offset of the general shared data for the game
uint entryOffset = findEntry(_vm->getGameID(), 2, 0, (Common::Language)0);
s.seek(entryOffset);
// Read in the cursor list
count = s.readUint16LE();
CURSORS.resize(count);
for (uint idx = 0; idx < count; ++idx) {
uint count2 = s.readUint16LE();
CURSORS[idx].resize(count2);
s.read(&CURSORS[idx][0], count2);
}
// Load font data
count = s.readUint16LE();
Common::Array<int> index;
Common::Array<byte> data;
index.resize(count);
for (uint idx = 0; idx < count; ++idx)
index[idx] = s.readSint16LE();
count = s.readUint16LE();
data.resize(count);
for (uint idx = 0; idx < count; ++idx)
data[idx] = s.readByte();
_font3x5 = new AmazonFont(&index[0], &data[0]);
count = s.readUint16LE();
index.resize(count);
for (uint idx = 0; idx < count; ++idx)
index[idx] = s.readSint16LE();
count = s.readUint16LE();
data.resize(count);
for (uint idx = 0; idx < count; ++idx)
data[idx] = s.readByte();
_font6x6 = new AmazonFont(&index[0], &data[0]);
}
Common::String DirectorEngine::readPascalString(Common::SeekableReadStream &stream) {
byte length = stream.readByte();
Common::String x;
while (length--)
x += (char)stream.readByte();
return x;
}
Conditions GameModule::readConditions(Common::SeekableReadStream &s) {
Conditions c;
for (int i = 0; i < 8; ++i) {
c.conditions[i].cond = s.readByte();
c.conditions[i].value1 = s.readByte();
c.conditions[i].value2 = s.readUint16LE();
}
return c;
}
void Map_v2::loadGoblinStates(Common::SeekableReadStream &data, int index) {
Mult::Mult_GobState *statesPtr;
Mult::Mult_GobState *gobState;
int8 indices[102];
uint8 statesCount;
uint8 dataCount;
int16 state;
uint32 tmpPos;
memset(indices, -1, 101);
_vm->_mult->_objects[index].goblinStates = new Mult::Mult_GobState*[101];
memset(_vm->_mult->_objects[index].goblinStates, 0,
101 * sizeof(Mult::Mult_GobState *));
data.read(indices, 100);
tmpPos = data.pos();
statesCount = 0;
for (int i = 0; i < 100; i++) {
if (indices[i] != -1) {
statesCount++;
data.skip(4);
dataCount = data.readByte();
statesCount += dataCount;
data.skip(dataCount * 9);
}
}
data.seek(tmpPos);
statesPtr = new Mult::Mult_GobState[statesCount];
_vm->_mult->_objects[index].goblinStates[0] = statesPtr;
for (int i = 0; i < 100; i++) {
state = indices[i];
if (state != -1) {
_vm->_mult->_objects[index].goblinStates[state] = statesPtr++;
gobState = _vm->_mult->_objects[index].goblinStates[state];
gobState[0].animation = data.readSint16LE();
gobState[0].layer = data.readSint16LE();
dataCount = data.readByte();
gobState[0].dataCount = dataCount;
for (uint8 j = 1; j <= dataCount; j++) {
data.skip(1);
gobState[j].sndItem = data.readSByte();
data.skip(1);
gobState[j].sndFrame = data.readByte();
data.skip(1);
gobState[j].freq = data.readSint16LE();
gobState[j].repCount = data.readSByte();
gobState[j].speaker = data.readByte();
statesPtr++;
}
}
}
}
// Reads a null-terminated string
static Common::String readString(Common::SeekableReadStream &stream) {
Common::String string;
char c = stream.readByte();
while (c && stream.pos() < stream.size()) {
string += c;
c = stream.readByte();
}
return string;
}
void IFFDecoder::loadPaletteRange(Common::SeekableReadStream &stream, const uint32 size) {
PaletteRange range;
range.timer = stream.readSint16BE();
range.step = stream.readSint16BE();
range.flags = stream.readSint16BE();
range.first = stream.readByte();
range.last = stream.readByte();
_paletteRanges.push_back(range);
}
/* Simple LZSS decompression.
*
* Code loosely based on DSDecmp by Barubary, released under the terms of the MIT license.
*
* See <https://github.com/gravgun/dsdecmp/blob/master/CSharp/DSDecmp/Formats/Nitro/LZ10.cs#L121>
* and <https://code.google.com/p/dsdecmp/>.
*/
static void decompress10(Common::SeekableReadStream &small, Common::WriteStream &out, uint32 size) {
byte buffer[0x10000];
uint32 bufferPos = 0;
uint16 flags = 0xFF00;
uint32 outSize = 0;
while (outSize < size) {
// Only our canaries left => Read flags for the next 8 blocks
if (flags == 0xFF00)
flags = (small.readByte() << 8) | 0x00FF;
if (flags & 0x8000) {
// Copy from buffer
const byte data1 = small.readByte();
const byte data2 = small.readByte();
// Copy how many bytes from where (relative) in the buffer?
const uint8 length = (data1 >> 4) + 3;
const uint16 offset = (((data1 & 0x0F) << 8) | data2) + 1;
// Direct offset. Add size of the buffer once, to protect from overroll
uint32 copyOffset = bufferPos + sizeof(buffer) - offset;
// Copy length bytes (and store each back into the buffer)
for (uint8 i = 0; i < length; i++, copyOffset++) {
if ((copyOffset % sizeof(buffer)) > outSize)
throw Common::Exception("Tried to copy past the buffer");
const byte data = buffer[copyOffset % sizeof(buffer)];
out.writeByte(data);
outSize++;
buffer[bufferPos] = data;
bufferPos = (bufferPos + 1) % sizeof(buffer);
}
} else {
// Read literal byte
const byte data = small.readByte();
out.writeByte(data);
outSize++;
buffer[bufferPos] = data;
bufferPos = (bufferPos + 1) % sizeof(buffer);
}
flags <<= 1;
}
void Graphics::loadPalette() {
delete[] _basePalette;
// read the standard palette entries
_basePalette = new byte[128 * 3];
Common::SeekableReadStream *palStream = _vm->data.openFile("STANDARD.PAL");
for (uint16 i = 0; i < 128; i++) {
_basePalette[i * 3] = palStream->readByte();
_basePalette[i * 3 + 1] = palStream->readByte();
_basePalette[i * 3 + 2] = palStream->readByte();
}
delete palStream;
}
void CBaseStarEntry::load(Common::SeekableReadStream &s) {
_field0 = s.readByte();
_field1 = s.readByte();
_field2 = s.readByte();
_field3 = s.readByte();
*((uint32 *)&_value) = s.readUint32LE(); // FIXME
_val._v1 = s.readUint32LE();
_val._v2 = s.readUint32LE();
_val._v3 = s.readUint32LE();
for (int idx = 0; idx < 5; ++idx)
_data[idx] = s.readUint32LE();
}
void PLTFile::readData(Common::SeekableReadStream &plt) {
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);
}
}
void TGA::readHeader(Common::SeekableReadStream &tga, ImageType &imageType, byte &pixelDepth, byte &imageDesc) {
tga.seek(0);
// TGAs have an optional "id" string in the header
uint32 idLength = tga.readByte();
// Number of colors in the color map / palette
if (tga.readByte() != 0)
throw Common::Exception("Unsupported feature: Color map");
// Image type. 2 == unmapped RGB, 3 == Grayscale
imageType = (ImageType)tga.readByte();
if (!isSupportedImageType(imageType))
throw Common::Exception("Unsupported image type: %d", imageType);
// Color map specifications + X + Y
tga.skip(5 + 2 + 2);
_mipMaps.push_back(new MipMap);
// Image dimensions
_mipMaps[0]->width = tga.readUint16LE();
_mipMaps[0]->height = tga.readUint16LE();
// Bits per pixel
pixelDepth = tga.readByte();
if (imageType == kImageTypeTrueColor || imageType == kImageTypeRLETrueColor) {
if (pixelDepth == 24) {
_format = kPixelFormatB8G8R8;
} else if (pixelDepth == 16 || pixelDepth == 32) {
_format = kPixelFormatB8G8R8A8;
} else if (pixelDepth == 8) {
imageType = kImageTypeBW;
_format = kPixelFormatB8G8R8A8;
} else
throw Common::Exception("Unsupported pixel depth: %d, %d", imageType, pixelDepth);
} else if (imageType == kImageTypeBW) {
if (pixelDepth != 8)
throw Common::Exception("Unsupported pixel depth: %d, %d", imageType, pixelDepth);
_format = kPixelFormatB8G8R8A8;
}
// Image descriptor
imageDesc = tga.readByte();
// Skip the id string
tga.skip(idLength);
}
void ABCFont::readCharDesc(Char &c, Common::SeekableReadStream &abc) {
uint32 offset = abc.readUint32LE();
byte plane = abc.readByte();
c.spaceL = abc.readByte();
c.width = abc.readByte();
c.spaceR = abc.readByte();
if (((offset % 1024) != 0) || (plane > 3))
throw Common::Exception("Invalid char data (%d, %d)", offset, plane);
c.dataX = plane * 32;
c.dataY = (offset / 1024) * 32;
}
void NewFeature::resetScript() {
// FIXME: registrations, etc
Common::SeekableReadStream *ourSCRB = _view->getSCRB(_data.scrbIndex, _scrbId);
ourSCRB->seek(16);
Common::Point scriptBase, scriptSize;
scriptBase.x = ourSCRB->readUint16BE();
scriptBase.y = ourSCRB->readUint16BE();
scriptSize.x = ourSCRB->readUint16BE();
scriptSize.y = ourSCRB->readUint16BE();
ourSCRB->seek(26);
Common::Point one, two;
while (true) {
if (ourSCRB->pos() == ourSCRB->size())
error("resetScript (getNewXYAndReg) ran out of script");
byte opcode = ourSCRB->readByte();
byte size = ourSCRB->readByte();
if (opcode != 0x10) {
ourSCRB->skip(size - 2);
} else if (size) {
assert(size >= 1);
ourSCRB->skip(2);
int16 x = ourSCRB->readUint16BE();
int16 y = ourSCRB->readUint16BE();
one.x = -x;
one.y = -y;
two.x = scriptBase.x + x;
two.y = scriptBase.y + y;
break;
}
}
delete ourSCRB;
if ((_needsReset || false /* TODO: param */) && (_unknown168 == 0x7FFFFFFF || false /* TODO: param */)) {
_data.currentPos = two;
_data.nextPos = one;
_unknown168 = 0;
if (_needsReset || false /* TODO: param */) {
_data.bounds = Common::Rect(scriptBase.x, scriptBase.y, scriptSize.x, scriptSize.y);
}
} else {
if (false /* FIXME: 0 shapes? */) {
_data.nextPos.x = one.x + two.x - _data.currentPos.x;
_data.nextPos.y = one.y + two.y - _data.currentPos.y;
} else if (_unknown168 != 0x7FFFFFFF) {
_data.nextPos = one;
}
}
// _needsReset = 0; (handled by caller)
}
void Sprite::loadPalette(Common::SeekableReadStream &stream, uint32 count) {
if (count == 0)
return;
byte *palette = new byte[count * 3];
for (uint32 i = 0; i < count ; i++) {
palette[i * 3 + 2] = stream.readByte();
palette[i * 3 + 1] = stream.readByte();
palette[i * 3 + 0] = stream.readByte();
stream.skip(1);
}
_palette.copyFrom(palette, count);
delete[] palette;
}
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 StaticResource::loadFlyingObjectData(Common::SeekableReadStream &stream, void *&ptr, int &size) {
size = stream.size() / 5;
FlyingObjectShape *defs = new FlyingObjectShape[size];
for (int i = 0; i < size; i++) {
FlyingObjectShape *t = &defs[i];
t->shapeFront = stream.readByte();
t->shapeBack = stream.readByte();
t->shapeLeft = stream.readByte();
t->drawFlags = stream.readByte();
t->flipFlags = stream.readByte();
};
ptr = defs;
return true;
}
bool StaticResource::loadCompassData(Common::SeekableReadStream &stream, void *&ptr, int &size) {
size = stream.size() / 4;
CompassDef *defs = new CompassDef[size];
for (int i = 0; i < size; i++) {
CompassDef *t = &defs[i];
t->shapeIndex = stream.readByte();
t->x = stream.readByte();
t->y = stream.readByte();
t->flags = stream.readByte();
};
ptr = defs;
return true;
}
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;
}
bool TGADecoder::readDataColorMapped(Common::SeekableReadStream &tga, byte imageType, byte indexDepth) {
// Color-mapped
if (imageType == TYPE_CMAP) {
_surface.create(_surface.w, _surface.h, _format);
if (indexDepth == 8) {
for (int i = 0; i < _surface.h; i++) {
byte *dst;
if (!_originTop) {
dst = (byte *)_surface.getBasePtr(0, _surface.h - i - 1);
} else {
dst = (byte *)_surface.getBasePtr(0, i);
}
for (int j = 0; j < _surface.w; j++) {
byte index = tga.readByte();
*dst++ = index;
}
}
} else if (indexDepth == 16) {
warning("16 bit indexes not supported");
return false;
}
} else {
return false;
}
return true;
}