// Similar to cueTo(), but throws error if cmd not found
Foam::string Foam::fileFormats::AC3DsurfaceFormatCore::cueToOrDie
(
IFstream& is,
const string& cmd,
const string& errorMsg
)
{
string args;
if (!cueTo(is, cmd, args))
{
FatalErrorInFunction
<< "Cannot find command " << cmd
<< " " << errorMsg
<< exit(FatalError);
}
return args;
}
bool Foam::fileFormats::AC3DsurfaceFormat<Face>::read
(
const fileName& filename
)
{
const bool mustTriangulate = this->isTri();
this->clear();
IFstream is(filename);
if (!is.good())
{
FatalErrorIn
(
"fileFormats::AC3DsurfaceFormat::read(const fileName&)"
)
<< "Cannot read file " << filename
<< exit(FatalError);
}
string line, cmd, args;
is.getLine(line);
string version = line.substr(4);
if (version != "b")
{
WarningIn
(
"fileFormats::AC3DsurfaceFormat::read(const fileName&)"
)
<< "When reading AC3D file " << filename
<< " read header " << line << " with version "
<< version << endl
<< "Only tested reading with version 'b'."
<< " This might give problems" << endl;
}
if (!cueTo(is, "OBJECT", args) || (args != "world"))
{
FatalErrorIn
(
"fileFormats::AC3DsurfaceFormat::read(const fileName&)"
)
<< "Cannot find \"OBJECT world\" in file " << filename
<< exit(FatalError);
}
// # of kids is the # of zones
args = cueToOrDie(is, "kids");
label nZones = parse<int>(args);
// Start of vertices for object/zones
label vertexOffset = 0;
DynamicList<point> dynPoints;
DynamicList<Face> dynFaces;
List<word> names(nZones);
List<label> sizes(nZones, 0);
for (label zoneI = 0; zoneI < nZones; ++zoneI)
{
names[zoneI] = word("zone") + Foam::name(zoneI);
args = cueToOrDie(is, "OBJECT", "while reading " + names[zoneI]);
// number of vertices for this zone
label nZonePoints = 0;
vector location(pTraits<vector>::zero);
// tensor rotation(I);
// Read all info for current zone
while (is.good())
{
// Read line and get first word. If end of file break since
// zone should always end with 'kids' command ?not sure.
if (!readCmd(is, cmd, args))
{
FatalErrorIn
(
"fileFormats::AC3DsurfaceFormat::read(const fileName&)"
)
<< "Did not read up to \"kids 0\" while reading zone "
<< zoneI << " from file " << filename
<< exit(FatalError);
}
if (cmd == "name")
{
// name %s
string str = parse<string>(args);
string::stripInvalid<word>(str);
names[zoneI] = str;
}
else if (cmd == "rot")
{
// rot %f %f %f %f %f %f %f %f %f
// IStringStream lineStream(args);
//
// lineStream
// >> rotation.xx() >> rotation.xy() >> rotation.xz()
// >> rotation.yx() >> rotation.yy() >> rotation.yz()
// >> rotation.zx() >> rotation.zy() >> rotation.zz();
WarningIn
(
"fileFormats::AC3DsurfaceFormat::read"
"(const fileName&)"
)
<< "rot (rotation tensor) command not implemented"
<< "Line:" << cmd << ' ' << args << endl
<< "while reading zone " << zoneI << endl;
}
else if (cmd == "loc")
{
// loc %f %f %f
IStringStream lineStream(args);
lineStream
>> location.x()
>> location.y()
>> location.z();
}
else if (cmd == "numvert")
{
// numvert %d
nZonePoints = parse<int>(args);
for (label vertI = 0; vertI < nZonePoints; ++vertI)
{
is.getLine(line);
IStringStream lineStream(line);
point pt;
lineStream
>> pt.x() >> pt.y() >> pt.z();
// Offset with current translation vector
dynPoints.append(location + pt);
}
}
