/**
* Compile the track from an input stream.
* @param in The input stream.
* @throws TrackCompileExn
*/
void TrackCompiler::Compile(std::istream &in) const
{
Parcel::ClassicRecordFile outFile;
// Try to create the output file
if (!outFile.CreateForWrite(outputFilename, 4, "\x8\rHoverRace track file\n\x1a")) {
throw TrackCompileExn(boost::str(
boost::format(_("Unable to create the output file: %s")) %
Str::PU(outputFilename)));
}
log->Info(boost::str(
boost::format(_("Compiling track (%s)")) %
Str::PU(outputFilename)));
// Header.
if (!outFile.BeginANewRecord()) {
throw TrackCompileExn(_("Unable to add a header to the output file"));
}
else {
Parcel::ObjStreamPtr archivePtr(outFile.StreamOut());
Parcel::ObjStream &archive = *archivePtr;
CreateHeader(in, archive);
}
in.clear();
in.seekg(0, std::ios::beg);
// The track itself.
LevelBuilder builder(log);
if (!outFile.BeginANewRecord()) {
throw TrackCompileExn(_("Unable to add the track to the output file"));
}
else {
if (!builder.InitFromStream(in)) {
throw TrackCompileExn(_("Track creation error"));
}
Parcel::ObjStreamPtr archivePtr(outFile.StreamOut());
Parcel::ObjStream &archive = *archivePtr;
builder.Serialize(archive);
}
in.clear();
in.seekg(0, std::ios::beg);
// The background image.
if (!outFile.BeginANewRecord()) {
throw TrackCompileExn(_("Unable to add a background image record"));
}
else {
Parcel::ObjStreamPtr archivePtr(outFile.StreamOut());
Parcel::ObjStream &archive = *archivePtr;
AddBackgroundImage(in, archive);
}
in.clear();
in.seekg(0, std::ios::beg);
// The map sprite.
if (!outFile.BeginANewRecord()) {
throw TrackCompileExn(_("Unable to add a map record"));
}
else {
Parcel::ObjStreamPtr archivePtr(outFile.StreamOut());
Parcel::ObjStream &archive = *archivePtr;
MapSprite mapSprite;
int x0, x1, y0, y1;
mapSprite.CreateMap(&builder, x0, y0, x1, y1);
archive << x0;
archive << x1;
archive << y0;
archive << y1;
mapSprite.Serialize(archive);
}
log->Info(_("Compiled track successfully!"));
}
