void AdlEngine_v2::loadRoom(byte roomNr) {
Room &room = getRoom(roomNr);
StreamPtr stream(room.data->createReadStream());
uint16 descOffset = stream->readUint16LE();
uint16 commandOffset = stream->readUint16LE();
_roomData.pictures.clear();
// There's no picture count. The original engine always checks at most
// five pictures. We use the description offset to bound our search.
uint16 picCount = (descOffset - 4) / 5;
for (uint i = 0; i < picCount; ++i) {
byte nr = stream->readByte();
_roomData.pictures[nr] = readDataBlockPtr(*stream);
}
_roomData.description = readStringAt(*stream, descOffset, 0xff);
_roomData.commands.clear();
if (commandOffset != 0) {
stream->seek(commandOffset);
readCommands(*stream, _roomData.commands);
}
}
void HiRes4Engine_Atari::rebindDisk() {
// As room.data is bound to the DiskImage, we need to rebind them here
// We cannot simply reload the rooms as that would reset their state
// FIXME: Remove DataBlockPtr-DiskImage coupling?
StreamPtr stream(createReadStream(_boot, 0x03, 0x1, 0x0e, 9));
for (uint i = 0; i < IDI_HR4_NUM_ROOMS; ++i) {
stream->skip(7);
_state.rooms[i].data = readDataBlockPtr(*stream);
stream->skip(3);
}
// Rebind data that is on both side B and C
loadCommonData();
}
