12226e4371
and passed as paramters into straight forward non const built in types, i.e. const bool foogbar(const int) becomes bool foobar(int).
120 lines
3.2 KiB
C++
120 lines
3.2 KiB
C++
#include <osg/ClipNode>
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using namespace osg;
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ClipNode::ClipNode()
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{
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_value = StateAttribute::ON;
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_stateset = osgNew StateSet;
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}
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ClipNode::ClipNode(const ClipNode& cn, const CopyOp& copyop):Group(cn,copyop)
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{
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for(ClipPlaneList::const_iterator itr=cn._planes.begin();
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itr!=cn._planes.end();
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++itr)
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{
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ClipPlane* plane = dynamic_cast<ClipPlane*>(copyop(itr->get()));
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if (plane) addClipPlane(plane);
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}
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}
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ClipNode::~ClipNode()
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{
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}
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// Create a 6 clip planes to create a clip box.
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void ClipNode::createClipBox(const BoundingBox& bb,unsigned int clipPlaneNumberBase)
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{
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_planes.clear();
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_planes.push_back(osgNew ClipPlane(clipPlaneNumberBase ,1.0,0.0,0.0,-bb.xMin()));
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_planes.push_back(osgNew ClipPlane(clipPlaneNumberBase+1,-1.0,0.0,0.0,bb.xMax()));
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_planes.push_back(osgNew ClipPlane(clipPlaneNumberBase+2,0.0,1.0,0.0,-bb.yMin()));
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_planes.push_back(osgNew ClipPlane(clipPlaneNumberBase+3,0.0,-1.0,0.0,bb.yMax()));
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_planes.push_back(osgNew ClipPlane(clipPlaneNumberBase+4,0.0,0.0,1.0,-bb.zMin()));
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_planes.push_back(osgNew ClipPlane(clipPlaneNumberBase+5,0.0,0.0,-1.0,bb.zMax()));
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setLocalStateSetModes(_value);
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}
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// Add a ClipPlane to a ClipNode. Return true if plane is added,
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// return false if plane already exists in ClipNode, or clipplane is false.
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bool ClipNode::addClipPlane(ClipPlane* clipplane)
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{
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if (!clipplane) return false;
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if (std::find(_planes.begin(),_planes.end(),clipplane)==_planes.end())
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{
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// cliplane doesn't exist in list so add it.
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_planes.push_back(clipplane);
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setLocalStateSetModes(_value);
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return true;
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}
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else
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{
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return false;
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}
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}
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// Remove ClipPlane from a ClipNode. Return true if plane is removed,
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// return false if plane does not exists in ClipNode.
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bool ClipNode::removeClipPlane(ClipPlane* clipplane)
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{
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if (!clipplane) return false;
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ClipPlaneList::iterator itr = std::find(_planes.begin(),_planes.end(),clipplane);
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if (itr!=_planes.end())
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{
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// cliplane exist in list so erase it.
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_planes.erase(itr);
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setLocalStateSetModes(_value);
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return true;
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}
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else
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{
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return false;
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}
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}
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// Remove ClipPlane, at specified index, from a ClipNode. Return true if plane is removed,
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// return false if plane does not exists in ClipNode.
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bool ClipNode::removeClipPlane(unsigned int pos)
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{
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if (pos<_planes.size())
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{
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_planes.erase(_planes.begin()+pos);
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setLocalStateSetModes(_value);
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return true;
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}
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else
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{
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return false;
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}
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}
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// Set the GLModes on StateSet associated with the ClipPlanes.
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void ClipNode::setStateSetModes(StateSet& stateset,const StateAttribute::GLModeValue value) const
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{
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for(ClipPlaneList::const_iterator itr=_planes.begin();
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itr!=_planes.end();
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++itr)
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{
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stateset.setAssociatedModes(itr->get(),value);
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}
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}
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void ClipNode::setLocalStateSetModes(const StateAttribute::GLModeValue value)
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{
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if (!_stateset) _stateset = osgNew StateSet;
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_stateset->setAllToInherit();
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setStateSetModes(*_stateset,value);
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}
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bool ClipNode::computeBound() const
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{
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return Group::computeBound();
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}
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