bool readMatrix(osg::Matrix& matrix, osgDB::Input& fr, const char* keyword)
{
bool iteratorAdvanced = false;
if (fr[0].matchWord(keyword) && fr[1].isOpenBracket())
{
int entry = fr[0].getNoNestedBrackets();
fr += 2;
int row=0;
int col=0;
double v;
while (!fr.eof() && fr[0].getNoNestedBrackets()>entry)
{
if (fr[0].getFloat(v))
{
matrix(row,col)=v;
++col;
if (col>=4)
{
col = 0;
++row;
}
++fr;
}
else fr.advanceOverCurrentFieldOrBlock();
}
iteratorAdvanced = true;
}
return iteratorAdvanced;
}
bool Locator_readLocalData(osg::Object& obj, osgDB::Input &fr)
{
osgVolume::Locator& locator = static_cast<osgVolume::Locator&>(obj);
bool itrAdvanced = false;
if (fr.matchSequence("Transform {"))
{
int tansform_entry = fr[0].getNoNestedBrackets();
fr += 2;
int row=0;
int col=0;
double v;
osg::Matrixd matrix;
while (!fr.eof() && fr[0].getNoNestedBrackets()>tansform_entry)
{
if (fr[0].getFloat(v))
{
matrix(row,col)=v;
++col;
if (col>=4)
{
col = 0;
++row;
}
++fr;
}
else fr.advanceOverCurrentFieldOrBlock();
}
locator.setTransform(matrix);
++fr;
itrAdvanced = true;
}
return itrAdvanced;
}
bool View_readLocalData(osg::Object &obj, osgDB::Input &fr)
{
osgViewer::View &view = dynamic_cast<osgViewer::View&>(obj);
bool iteratorAdvanced = false;
bool matchedFirst = false;
if ((matchedFirst = fr.matchSequence("setUpViewFor3DSphericalDisplay {")) ||
fr.matchSequence("setUpViewForPanoramicSphericalDisplay {"))
{
double radius = 1.0;
double collar = 0.45;
unsigned int screenNum = 0;
unsigned int intensityFormat = 8;
osg::Matrix matrix;
std::string filename;
osg::ref_ptr<osg::Image> intensityMap;
int entry = fr[0].getNoNestedBrackets();
fr += 2;
while (!fr.eof() && fr[0].getNoNestedBrackets() > entry)
{
bool local_itrAdvanced = false;
if (fr.read("radius", radius))
local_itrAdvanced = true;
if (fr.read("collar", collar))
local_itrAdvanced = true;
if (fr.read("screenNum", screenNum))
local_itrAdvanced = true;
if (fr.read("intensityFile", filename))
local_itrAdvanced = true;
if (fr.matchSequence("intensityMap {"))
intensityMap = readIntensityImage(fr, local_itrAdvanced);
if (fr.read("intensityFormat", intensityFormat))
local_itrAdvanced = true;
if (readMatrix(matrix, fr, "projectorMatrix"))
local_itrAdvanced = true;
if (!local_itrAdvanced)
++fr;
}
// skip trailing '}'
++fr;
iteratorAdvanced = true;
if (!filename.empty())
{
intensityMap = osgDB::readRefImageFile(filename);
}
if (intensityMap.valid())
{
if (intensityFormat == 16)
intensityMap->setInternalTextureFormat(GL_LUMINANCE16F_ARB);
else if (intensityFormat == 32)
intensityMap->setInternalTextureFormat(GL_LUMINANCE32F_ARB);
// else intensityMap->setInternalTextureFormat(image->getPixelFormat());
}
if (matchedFirst)
view.setUpViewFor3DSphericalDisplay(radius, collar, screenNum, intensityMap.get(), matrix);
else
view.setUpViewForPanoramicSphericalDisplay(radius, collar, screenNum, intensityMap.get(), matrix);
}
int x = 0;
int y = 0;
int width = 128;
int height = 1024;
unsigned int screenNum = 0;
if (fr.read("setUpViewOnSingleScreen", screenNum))
{
view.setUpViewOnSingleScreen(screenNum);
iteratorAdvanced = true;
}
if (fr.read("setUpViewAcrossAllScreens"))
{
view.setUpViewAcrossAllScreens();
iteratorAdvanced = true;
}
if (fr.read("setUpViewInWindow", x, y, width, height, screenNum))
{
view.setUpViewInWindow(x, y, width, height, screenNum);
}
if (fr.read("setUpViewInWindow", x, y, width, height))
{
view.setUpViewInWindow(x, y, width, height);
}
osg::ref_ptr<osg::Object> readObject;
while ((readObject = fr.readObjectOfType(osgDB::type_wrapper<osg::Camera>())).valid())
{
view.setCamera(static_cast<osg::Camera*>(readObject.get()));
iteratorAdvanced = true;
}
if (fr.matchSequence("Slaves {"))
{
int entry = fr[0].getNoNestedBrackets();
fr += 2;
while (!fr.eof() && fr[0].getNoNestedBrackets() > entry)
{
readObject = fr.readObjectOfType(osgDB::type_wrapper<osg::Camera>());
if (readObject.valid())
view.addSlave(static_cast<osg::Camera*>(readObject.get()));
else
++fr;
}
// skip trailing '}'
++fr;
iteratorAdvanced = true;
}
return iteratorAdvanced;
}
bool AnimationPath_readLocalData(osg::Object &obj, osgDB::Input &fr)
{
osg::AnimationPath *ap = dynamic_cast<osg::AnimationPath*>(&obj);
if (!ap) return false;
bool itAdvanced = false;
if (fr[0].matchWord("LoopMode"))
{
if (fr[1].matchWord("SWING"))
{
ap->setLoopMode(AnimationPath::SWING);
fr += 2;
itAdvanced = true;
}
else if (fr[1].matchWord("LOOP"))
{
ap->setLoopMode(AnimationPath::LOOP);
fr += 2;
itAdvanced = true;
}
else if (fr[1].matchWord("NO_LOOPING"))
{
ap->setLoopMode(AnimationPath::NO_LOOPING);
fr += 2;
itAdvanced = true;
}
}
if (fr.matchSequence("ControlPoints {"))
{
int entry = fr[0].getNoNestedBrackets();
fr += 2;
double time;
Vec3d position,scale;
Quat rotation;
while (!fr.eof() && fr[0].getNoNestedBrackets()>entry)
{
if (fr[0].getFloat(time) &&
fr[1].getFloat(position[0]) &&
fr[2].getFloat(position[1]) &&
fr[3].getFloat(position[2]) &&
fr[4].getFloat(rotation[0]) &&
fr[5].getFloat(rotation[1]) &&
fr[6].getFloat(rotation[2]) &&
fr[7].getFloat(rotation[3]) &&
fr[8].getFloat(scale[0]) &&
fr[9].getFloat(scale[1]) &&
fr[10].getFloat(scale[2]))
{
osg::AnimationPath::ControlPoint ctrlPoint(position,rotation,scale);
ap->insert(time, ctrlPoint);
fr+=11;
}
else fr.advanceOverCurrentFieldOrBlock();
}
itAdvanced = true;
}
return itAdvanced;
}
bool TextBase_readLocalData(osg::Object &obj, osgDB::Input &fr)
{
osgText::Text &text = static_cast<osgText::Text &>(obj);
bool itAdvanced = false;
// color
if (fr[0].matchWord("color"))
{
osg::Vec4 c;
if (fr[1].getFloat(c.x()) && fr[2].getFloat(c.y()) && fr[3].getFloat(c.z()) && fr[4].getFloat(c.w()))
{
text.setColor(c);
fr += 4;
itAdvanced = true;
}
}
if (fr.matchSequence("font %w"))
{
text.setFont(fr[1].getStr());
fr += 2;
itAdvanced = true;
}
if (fr[0].matchWord("fontResolution") || fr[0].matchWord("fontSize"))
{
unsigned int width;
unsigned int height;
if (fr[1].getUInt(width) && fr[2].getUInt(height))
{
text.setFontResolution(width,height);
fr += 3;
itAdvanced = true;
}
}
if (fr[0].matchWord("characterSize"))
{
float height;
float aspectRatio;
if (fr[1].getFloat(height) && fr[2].getFloat(aspectRatio))
{
text.setCharacterSize(height,aspectRatio);
fr += 3;
itAdvanced = true;
}
}
if (fr.matchSequence("characterSizeMode %w"))
{
std::string str = fr[1].getStr();
if (str=="OBJECT_COORDS") text.setCharacterSizeMode(osgText::Text::OBJECT_COORDS);
else if (str=="SCREEN_COORDS") text.setCharacterSizeMode(osgText::Text::SCREEN_COORDS);
else if (str=="OBJECT_COORDS_WITH_MAXIMUM_SCREEN_SIZE_CAPPED_BY_FONT_HEIGHT") text.setCharacterSizeMode(osgText::Text::OBJECT_COORDS_WITH_MAXIMUM_SCREEN_SIZE_CAPPED_BY_FONT_HEIGHT);
}
// maximum dimentsions of text box.
if (fr[0].matchWord("maximumWidth"))
{
float width;
if (fr[1].getFloat(width))
{
text.setMaximumWidth(width);
fr += 2;
itAdvanced = true;
}
}
if (fr[0].matchWord("maximumHeight"))
{
float height;
if (fr[1].getFloat(height))
{
text.setMaximumHeight(height);
fr += 2;
itAdvanced = true;
}
}
if (fr[0].matchWord("lineSpacing"))
{
float height;
if (fr[1].getFloat(height))
{
text.setLineSpacing(height);
fr += 2;
itAdvanced = true;
}
}
if (fr.matchSequence("alignment %w"))
{
std::string str = fr[1].getStr();
if (str=="LEFT_TOP") text.setAlignment(osgText::Text::LEFT_TOP);
else if (str=="LEFT_CENTER") text.setAlignment(osgText::Text::LEFT_CENTER);
else if (str=="LEFT_BOTTOM") text.setAlignment(osgText::Text::LEFT_BOTTOM);
else if (str=="CENTER_TOP") text.setAlignment(osgText::Text::CENTER_TOP);
else if (str=="CENTER_CENTER") text.setAlignment(osgText::Text::CENTER_CENTER);
else if (str=="CENTER_BOTTOM") text.setAlignment(osgText::Text::CENTER_BOTTOM);
else if (str=="RIGHT_TOP") text.setAlignment(osgText::Text::RIGHT_TOP);
else if (str=="RIGHT_CENTER") text.setAlignment(osgText::Text::RIGHT_CENTER);
else if (str=="RIGHT_BOTTOM") text.setAlignment(osgText::Text::RIGHT_BOTTOM);
else if (str=="LEFT_BASE_LINE") text.setAlignment(osgText::Text::LEFT_BASE_LINE);
else if (str=="CENTER_BASE_LINE") text.setAlignment(osgText::Text::CENTER_BASE_LINE);
else if (str=="RIGHT_BASE_LINE") text.setAlignment(osgText::Text::RIGHT_BASE_LINE);
else if (str=="LEFT_BOTTOM_BASE_LINE") text.setAlignment(osgText::Text::LEFT_BOTTOM_BASE_LINE);
else if (str=="CENTER_BOTTOM_BASE_LINE") text.setAlignment(osgText::Text::CENTER_BOTTOM_BASE_LINE);
else if (str=="RIGHT_BOTTOM_BASE_LINE") text.setAlignment(osgText::Text::RIGHT_BOTTOM_BASE_LINE);
else if (str=="BASE_LINE") text.setAlignment(osgText::Text::BASE_LINE);
fr += 2;
itAdvanced = true;
}
if (fr.matchSequence("axisAlignment %w"))
{
std::string str = fr[1].getStr();
if (str=="XY_PLANE") text.setAxisAlignment(osgText::Text::XY_PLANE);
else if (str=="REVERSED_XY_PLANE") text.setAxisAlignment(osgText::Text::REVERSED_XY_PLANE);
else if (str=="XZ_PLANE") text.setAxisAlignment(osgText::Text::XZ_PLANE);
else if (str=="REVERSED_XZ_PLANE") text.setAxisAlignment(osgText::Text::REVERSED_XZ_PLANE);
else if (str=="YZ_PLANE") text.setAxisAlignment(osgText::Text::YZ_PLANE);
else if (str=="REVERSED_YZ_PLANE") text.setAxisAlignment(osgText::Text::REVERSED_YZ_PLANE);
else if (str=="SCREEN") text.setAxisAlignment(osgText::Text::SCREEN);
fr += 2;
itAdvanced = true;
}
if (fr.matchSequence("rotation"))
{
osg::Vec4 rotation;
if (fr[1].getFloat(rotation.x()) && fr[2].getFloat(rotation.y()) && fr[3].getFloat(rotation.z()) && fr[4].getFloat(rotation.w()))
{
text.setRotation(rotation);
fr += 4;
itAdvanced = true;
}
}
if (fr.matchSequence("autoRotateToScreen TRUE"))
{
text.setAutoRotateToScreen(true);
fr += 2;
itAdvanced = true;
}
if (fr.matchSequence("autoScaleToLimitScreenSizeToFontResolution TRUE"))
{
text.setCharacterSizeMode(osgText::Text::SCREEN_COORDS);
fr += 2;
itAdvanced = true;
}
if (fr.matchSequence("layout %w") && fr[1].getStr())
{
std::string str = fr[1].getStr();
if (str=="LEFT_TO_RIGHT") text.setLayout(osgText::Text::LEFT_TO_RIGHT);
else if (str=="RIGHT_TO_LEFT") text.setLayout(osgText::Text::RIGHT_TO_LEFT);
else if (str=="VERTICAL") text.setLayout(osgText::Text::VERTICAL);
fr += 2;
itAdvanced = true;
}
// position
if (fr[0].matchWord("position"))
{
osg::Vec3 p;
if (fr[1].getFloat(p.x()) && fr[2].getFloat(p.y()) && fr[3].getFloat(p.z()))
{
text.setPosition(p);
fr += 4;
itAdvanced = true;
}
}
// draw mode
if (fr[0].matchWord("drawMode"))
{
int i;
if (fr[1].getInt(i)) {
text.setDrawMode(i);
fr += 2;
itAdvanced = true;
}
}
// bounding box margin
if (fr[0].matchWord("BoundingBoxMargin"))
{
float margin;
if (fr[1].getFloat(margin)) {
text.setBoundingBoxMargin(margin);
fr += 2;
itAdvanced = true;
}
}
// bounding box color
if (fr[0].matchWord("BoundingBoxColor"))
{
osg::Vec4 c;
if (fr[1].getFloat(c.x()) && fr[2].getFloat(c.y()) && fr[3].getFloat(c.z()) && fr[4].getFloat(c.w()))
{
text.setBoundingBoxColor(c);
fr += 5;
itAdvanced = true;
}
}
// text
if (fr.matchSequence("text %s") && fr[1].getStr()) {
text.setText(std::string(fr[1].getStr()));
fr += 2;
itAdvanced = true;
}
if (fr.matchSequence("text %i {"))
{
// pre 0.9.3 releases..
int entry = fr[0].getNoNestedBrackets();
int capacity;
fr[1].getInt(capacity);
osgText::String str;
str.reserve(capacity);
fr += 3;
while (!fr.eof() && fr[0].getNoNestedBrackets()>entry)
{
unsigned int c;
if (fr[0].getUInt(c))
{
++fr;
str.push_back(c);
}
else
{
++fr;
}
}
text.setText(str);
itAdvanced = true;
++fr;
}
return itAdvanced;
}
void buildHierarchy( osgDB::Input& fr, int level, osgAnimation::Bone* parent )
{
bool isRecognized = false;
if ( !parent ) return;
if ( fr.matchSequence("OFFSET %f %f %f") )
{
isRecognized = true;
++fr;
osg::Vec3 offset;
if ( fr.readSequence(offset) )
{
// Process OFFSET section
parent->setBindMatrixInBoneSpace( osg::Matrix::translate(offset) );
if ( _drawingFlag && parent->getNumParents() && level>0 )
parent->getParent(0)->addChild( createRefGeometry(offset, 0.5).get() );
}
}
if ( fr.matchSequence("CHANNELS %i") )
{
isRecognized = true;
// Process CHANNELS section
int noChannels;
fr[1].getInt( noChannels );
fr += 2;
for ( int i=0; i<noChannels; ++i )
{
// Process each channel
std::string channelName;
fr.readSequence( channelName );
alterChannel( channelName, _joints.back().second );
}
}
if ( fr.matchSequence("End Site {") )
{
isRecognized = true;
fr += 3;
if ( fr.matchSequence("OFFSET %f %f %f") )
{
++fr;
osg::Vec3 offsetEndSite;
if ( fr.readSequence(offsetEndSite) )
{
// Process End Site section
osg::ref_ptr<osgAnimation::Bone> bone = new osgAnimation::Bone( parent->getName()+"End" );
bone->setBindMatrixInBoneSpace( osg::Matrix::translate(offsetEndSite) );
bone->setDataVariance( osg::Object::DYNAMIC );
parent->addChild( bone.get() );
if ( _drawingFlag )
parent->addChild( createRefGeometry(offsetEndSite, 0.5).get() );
}
}
fr.advanceOverCurrentFieldOrBlock();
}
if ( fr.matchSequence("ROOT %w {") || fr.matchSequence("JOINT %w {") )
{
isRecognized = true;
// Process JOINT section
osg::ref_ptr<osgAnimation::Bone> bone = new osgAnimation::Bone( fr[1].getStr() );
bone->setDefaultUpdateCallback();
bone->setDataVariance( osg::Object::DYNAMIC );
parent->addChild( bone.get() );
_joints.push_back( JointNode(bone, 0) );
int entry = fr[1].getNoNestedBrackets();
fr += 3;
while ( !fr.eof() && fr[0].getNoNestedBrackets()>entry )
buildHierarchy( fr, entry, bone.get() );
fr.advanceOverCurrentFieldOrBlock();
}
if ( !isRecognized )
{
osg::notify(osg::WARN) << "BVH Reader: Unrecognized symbol " << fr[0].getStr()
<< ". Ignore current field or block." << std::endl;
fr.advanceOverCurrentFieldOrBlock();
}
}
void buildMotion( osgDB::Input& fr, osgAnimation::Animation* anim )
{
int i=0, frames=0;
float frameTime=0.033f;
if ( !fr.readSequence("Frames:", frames) )
{
osg::notify(osg::WARN) << "BVH Reader: Frame number setting not found, but an unexpected "
<< fr[0].getStr() << ". Set to 1." << std::endl;
}
++fr;
if ( !fr.readSequence("Time:", frameTime) )
{
osg::notify(osg::WARN) << "BVH Reader: Frame time setting not found, but an unexpected "
<< fr[0].getStr() << ". Set to 0.033 (30FPS)." << std::endl;
}
// Each joint has a position animating channel and an euler animating channel
std::vector< osg::ref_ptr<osgAnimation::Vec3LinearChannel> > posChannels;
std::vector< osg::ref_ptr<osgAnimation::QuatSphericalLinearChannel> > rotChannels;
for ( JointList::iterator itr=_joints.begin(); itr!=_joints.end(); ++itr )
{
std::string name = itr->first->getName();
osg::ref_ptr<osgAnimation::Vec3KeyframeContainer> posKey = new osgAnimation::Vec3KeyframeContainer;
osg::ref_ptr<osgAnimation::Vec3LinearSampler> posSampler = new osgAnimation::Vec3LinearSampler;
osg::ref_ptr<osgAnimation::Vec3LinearChannel> posChannel = new osgAnimation::Vec3LinearChannel( posSampler.get() );
posSampler->setKeyframeContainer( posKey.get() );
posChannel->setName( "position" );
posChannel->setTargetName( name );
osg::ref_ptr<osgAnimation::QuatKeyframeContainer> rotKey = new osgAnimation::QuatKeyframeContainer;
osg::ref_ptr<osgAnimation::QuatSphericalLinearSampler> rotSampler = new osgAnimation::QuatSphericalLinearSampler;
osg::ref_ptr<osgAnimation::QuatSphericalLinearChannel> rotChannel = new osgAnimation::QuatSphericalLinearChannel( rotSampler.get() );
rotSampler->setKeyframeContainer( rotKey.get() );
rotChannel->setName( "quaternion" );
rotChannel->setTargetName( name );
posChannels.push_back( posChannel );
rotChannels.push_back( rotChannel );
}
// Obtain motion data from the stream
while ( !fr.eof() && i<frames )
{
for ( unsigned int n=0; n<_joints.size(); ++n )
{
osgAnimation::Vec3LinearChannel* posChannel = posChannels[n].get();
osgAnimation::QuatSphericalLinearChannel* rotChannel = rotChannels[n].get();
setKeyframe( fr, _joints[n].second, frameTime*(double)i,
dynamic_cast<osgAnimation::Vec3KeyframeContainer*>(posChannel->getSampler()->getKeyframeContainer()),
dynamic_cast<osgAnimation::QuatKeyframeContainer*>(rotChannel->getSampler()->getKeyframeContainer()) );
}
i++;
}
// Add valid channels to the animate object
for ( unsigned int n=0; n<_joints.size(); ++n )
{
if ( posChannels[n]->getOrCreateSampler()->getOrCreateKeyframeContainer()->size()>0 )
anim->addChannel( posChannels[n].get() );
if ( rotChannels[n]->getOrCreateSampler()->getOrCreateKeyframeContainer()->size()>0 )
anim->addChannel( rotChannels[n].get() );
}
}