void DECFile::load(Common::SeekableSubReadStreamEndian &dec, const Common::String &fileName) {
dec.skip(2); // Unused
int16 backdropCount = dec.readUint16();
int16 layerCount = dec.readUint16();
// Sanity checks
if (backdropCount > 1)
warning("DECFile::load(): More than one backdrop (%d) in file \"%s\"",
backdropCount, fileName.c_str());
if (layerCount < 1)
warning("DECFile::load(): Less than one layer (%d) in file \"%s\"",
layerCount, fileName.c_str());
// Load the backdrop
if (backdropCount > 0) {
loadBackdrop(dec);
// We only support one backdrop, skip the rest
dec.skip((backdropCount - 1) * (13 + (_hasPadding ? 1 : 0)));
}
// Load the layers
_layers.reserve(MAX(0, layerCount - 1));
for (int i = 0; i < layerCount - 1; i++)
_layers.push_back(loadLayer(dec));
// Load the backdrop parts
if (backdropCount > 0)
loadParts(dec);
}
void DECFile::loadParts(Common::SeekableSubReadStreamEndian &dec) {
dec.skip(13); // Name
if (_hasPadding)
dec.skip(1);
dec.skip(13); // File?
if (_hasPadding)
dec.skip(1);
uint16 partCount = dec.readUint16();
_parts.resize(partCount);
for (PartArray::iterator p = _parts.begin(); p != _parts.end(); ++p)
loadPart(*p, dec);
}
void Frame::readPaletteInfo(Common::SeekableSubReadStreamEndian &stream) {
_palette->firstColor = stream.readByte();
_palette->lastColor = stream.readByte();
_palette->flags = stream.readByte();
_palette->speed = stream.readByte();
_palette->frameCount = stream.readUint16();
stream.skip(8); //unknown
}
void DECFile::loadBackdrop(Common::SeekableSubReadStreamEndian &dec) {
// Interestingly, DEC files reference "FOO.LBM" instead of "FOO.CMP"
Common::String file = Util::setExtension(Util::readString(dec, 13), "");
if (_hasPadding)
dec.skip(1);
_backdrop = new CMPFile(_vm, file, _width, _height, _bpp);
}
void DECFile::loadPart(Part &part, Common::SeekableSubReadStreamEndian &dec) {
part.layer = dec.readByte() - 1;
part.part = dec.readByte();
dec.skip(1); // Unknown
part.x = dec.readUint16();
part.y = dec.readUint16();
part.transp = dec.readByte() != 0;
}