FGFS-4.1/OpenSceneGraph
4
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Added support hud property for title, bullets and paragraph tags

Browse Source
This commit is contained in:
Robert Osfield
2011-03-15 19:54:57 +00:00
parent bdd4a67d7c
commit f2ce2f19a9
3 changed files with 114 additions and 47 deletions
Download Patch File Download Diff File Expand all files Collapse all files

136
src/osgPresentation/SlideShowConstructor.cpp
View File

@@ -90,12 +90,67 @@ public:
}
};
class HUDTransform : public osg::Transform
{
public:
HUDTransform(double slideDistance, float eyeOffset, unsigned int leftMask, unsigned int rightMask):
_slideDistance(slideDistance),
_eyeOffset(eyeOffset),
_leftMask(leftMask),
_rightMask(rightMask)
{
setDataVariance(osg::Object::DYNAMIC);
setReferenceFrame(osg::Transform::ABSOLUTE_RF);
}
virtual bool computeLocalToWorldMatrix(osg::Matrix& matrix,osg::NodeVisitor* nv) const
{
osgUtil::CullVisitor* cullVisitor = dynamic_cast<osgUtil::CullVisitor*>(nv);
matrix.makeLookAt(osg::Vec3d(0.0,0.0,0.0),osg::Vec3d(0.0,_slideDistance,0.0),osg::Vec3d(0.0,0.0,1.0));
if (cullVisitor)
{
if (cullVisitor->getTraversalMask()==_leftMask)
{
matrix.postMultTranslate(osg::Vec3(_eyeOffset,0.0,0.0));
}
else if (cullVisitor->getTraversalMask()==_rightMask)
{
matrix.postMultTranslate(osg::Vec3(-_eyeOffset,0.0,0.0));
}
}
return true;
}
virtual bool computeWorldToLocalMatrix(osg::Matrix& matrix,osg::NodeVisitor*) const
{
osg::Matrix localToWorld;
localToWorld.makeLookAt(osg::Vec3d(0.0,0.0,0.0),osg::Vec3d(0.0,_slideDistance,0.0),osg::Vec3d(0.0,0.0,1.0));
matrix.invert(localToWorld);
return true;
}
protected:
double _slideDistance;
double _eyeOffset;
unsigned int _leftMask;
unsigned int _rightMask;
};
SlideShowConstructor::SlideShowConstructor(osgDB::Options* options):
_options(options)
{
_slideDistance = osg::DisplaySettings::instance()->getScreenDistance();
_slideHeight = osg::DisplaySettings::instance()->getScreenHeight();
_slideWidth = osg::DisplaySettings::instance()->getScreenWidth();
_slideDistance = osg::DisplaySettings::instance()->getScreenDistance();
_leftEyeMask = 0x01;
_rightEyeMask = 0x02;
_eyeOffset = 0.025;
_backgroundColor.set(0.0f,0.0f,0.0f,1.0f);
@@ -392,7 +447,7 @@ void SlideShowConstructor::addLayer(bool inheritPreviousLayers, bool defineAsBas
geode->addDrawable(text);
_currentLayer->addChild(geode);
_currentLayer->addChild(decorateSubgraphForPosition(geode, _titlePositionData));
}
}
@@ -529,6 +584,39 @@ void SlideShowConstructor::layerClickEventOperation(const KeyPosition& keyPos, b
}
osg::Node* SlideShowConstructor::decorateSubgraphForPosition(osg::Node* node, PositionData& positionData)
{
osg::Node* subgraph = node;
if (positionData.requiresMaterialAnimation())
{
subgraph = attachMaterialAnimation(subgraph,positionData);
}
if (positionData.rotation[0]!=0.0)
{
osg::MatrixTransform* animation_transform = new osg::MatrixTransform;
animation_transform->setDataVariance(osg::Object::DYNAMIC);
animation_transform->setUpdateCallback(
new osgUtil::TransformCallback(subgraph->getBound().center(),
osg::Vec3(positionData.rotation[1],positionData.rotation[2],positionData.rotation[3]),
osg::DegreesToRadians(positionData.rotation[0])));
animation_transform->addChild(subgraph);
subgraph = animation_transform;
}
if (positionData.hud)
{
HUDTransform* hudTransform = new HUDTransform(_slideDistance, _eyeOffset, _leftEyeMask, _rightEyeMask);
hudTransform->addChild(subgraph);
subgraph = hudTransform;
}
return subgraph;
}
void SlideShowConstructor::addBullet(const std::string& bullet, PositionData& positionData, FontData& fontData)
{
if (!_currentLayer) addLayer();
@@ -570,25 +658,7 @@ void SlideShowConstructor::addBullet(const std::string& bullet, PositionData& po
geode->addDrawable(text);
osg::Node* subgraph = geode;
if (positionData.requiresMaterialAnimation())
subgraph = attachMaterialAnimation(subgraph,positionData);
if (positionData.rotation[0]!=0.0)
{
osg::MatrixTransform* animation_transform = new osg::MatrixTransform;
animation_transform->setDataVariance(osg::Object::DYNAMIC);
animation_transform->setUpdateCallback(
new osgUtil::TransformCallback(geode->getBound().center(),
osg::Vec3(positionData.rotation[1],positionData.rotation[2],positionData.rotation[3]),
osg::DegreesToRadians(positionData.rotation[0])));
animation_transform->addChild(subgraph);
subgraph = animation_transform;
}
_currentLayer->addChild(subgraph);
_currentLayer->addChild( decorateSubgraphForPosition(geode, positionData) );
bool needToApplyPosition = (_textPositionData.position == positionData.position);
if (needToApplyPosition)
@@ -637,25 +707,7 @@ void SlideShowConstructor::addParagraph(const std::string& paragraph, PositionDa
geode->addDrawable(text);
osg::Node* subgraph = geode;
if (positionData.requiresMaterialAnimation())
subgraph = attachMaterialAnimation(subgraph,positionData);
if (positionData.rotation[0]!=0.0)
{
osg::MatrixTransform* animation_transform = new osg::MatrixTransform;
animation_transform->setDataVariance(osg::Object::DYNAMIC);
animation_transform->setUpdateCallback(
new osgUtil::TransformCallback(geode->getBound().center(),
osg::Vec3(positionData.rotation[1],positionData.rotation[2],positionData.rotation[3]),
osg::DegreesToRadians(positionData.rotation[0])));
animation_transform->addChild(subgraph);
subgraph = animation_transform;
}
_currentLayer->addChild(subgraph);
_currentLayer->addChild( decorateSubgraphForPosition(geode, positionData) );
bool needToApplyPosition = (_textPositionData.position == positionData.position);
if (needToApplyPosition)
@@ -1005,7 +1057,7 @@ void SlideShowConstructor::addStereoImagePair(const std::string& filenameLeft, c
osg::Geode* pictureLeft = new osg::Geode;
{
pictureLeft->setNodeMask(0x01);
pictureLeft->setNodeMask(_leftEyeMask);
osg::Geometry* pictureLeftQuad = createTexturedQuadGeometry(pos, positionData.rotate, image_width,image_height,imageLeft.get(),usedTextureRectangle);
osg::StateSet* pictureLeftStateSet = pictureLeftQuad->getOrCreateStateSet();
@@ -1023,7 +1075,7 @@ void SlideShowConstructor::addStereoImagePair(const std::string& filenameLeft, c
osg::Geode* pictureRight = new osg::Geode;
{
pictureRight->setNodeMask(0x02);
pictureRight->setNodeMask(_rightEyeMask);
osg::Geometry* pictureRightQuad = createTexturedQuadGeometry(pos, positionData.rotate, image_width,image_height,imageRight.get(),usedTextureRectangle);
osg::StateSet* pictureRightStateSet = pictureRightQuad->getOrCreateStateSet();