1213 lines
45 KiB
C++
1213 lines
45 KiB
C++
#include "ConvertFromInventor.h"
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#include "PendulumCallback.h"
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#include "ShuttleCallback.h"
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// OSG headers
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#include <osg/MatrixTransform>
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#include <osg/Node>
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#include <osg/Geode>
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#include <osg/Notify>
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#include <osg/LineWidth>
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#include <osg/Point>
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#include <osg/TexEnv>
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#include <osg/Texture2D>
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#include <osg/PolygonMode>
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#include <osg/BlendFunc>
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#include <osg/Material>
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#include <osg/CullFace>
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#include <osg/LightModel>
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#include <osg/ShadeModel>
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#include <osg/LOD>
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#include <osgUtil/TransformCallback>
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// Inventor headers
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#include <Inventor/SoDB.h>
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#include <Inventor/SoInteraction.h>
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#include <Inventor/nodes/SoSeparator.h>
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#include <Inventor/nodes/SoShape.h>
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#include <Inventor/nodes/SoVertexShape.h>
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#include <Inventor/nodes/SoLight.h>
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#include <Inventor/nodes/SoDirectionalLight.h>
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#include <Inventor/nodes/SoSpotLight.h>
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#include <Inventor/nodes/SoPointLight.h>
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#include <Inventor/nodes/SoRotor.h>
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#include <Inventor/nodes/SoPendulum.h>
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#include <Inventor/nodes/SoShuttle.h>
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#include <Inventor/nodes/SoLOD.h>
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#include <Inventor/misc/SoChildList.h>
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#include <Inventor/SoPrimitiveVertex.h>
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#include <Inventor/SbLinear.h>
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#include <Inventor/SbImage.h>
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#include "GroupSoLOD.h"
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#include <map>
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#include <math.h>
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#ifdef __linux
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#include <values.h>
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#endif
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#ifdef __APPLE__
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#include <float.h>
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#endif
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#define DEBUG_IV_PLUGIN
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///////////////////////////////////////////
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ConvertFromInventor::ConvertFromInventor()
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{
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numPrimitives = 0;
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_hasVRMLImageTexture = false;
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}
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///////////////////////////////////////////
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ConvertFromInventor::~ConvertFromInventor()
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{
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}
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///////////////////////////////////////////////////////////
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osg::Node* ConvertFromInventor::convert(SoNode* rootIVNode)
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{
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// Transformation matrix for converting Inventor coordinate system to OSG
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// coordinate system
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osg::Matrix ivToOSGMat(osg::Matrix(1.0, 0.0, 0.0, 0.0,
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0.0, 0.0, 1.0, 0.0,
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0.0,-1.0, 0.0, 0.0,
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0.0, 0.0, 0.0, 1.0));
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// Create a root node and push it onto the stack
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_root = new osg::MatrixTransform;
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_root->setMatrix(ivToOSGMat);
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groupStack.push(_root.get());
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// Push an empty list of light and push it onto the light stack
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LightList lightList;
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lightStack.push(lightList);
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// Create callback actions for the inventor nodes
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// These callback functions perform the conversion
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SoCallbackAction cbAction;
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cbAction.addPreCallback(SoShape::getClassTypeId(), preShape, this);
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cbAction.addPostCallback(SoShape::getClassTypeId(), postShape, this);
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cbAction.addPreCallback(SoGroup::getClassTypeId(), preGroup, this);
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cbAction.addPostCallback(SoGroup::getClassTypeId(), postGroup, this);
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cbAction.addPreCallback(SoTexture2::getClassTypeId(), preTexture, this);
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cbAction.addPreCallback(SoLight::getClassTypeId(), preLight, this);
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cbAction.addPreCallback(SoRotor::getClassTypeId(), preRotor, this);
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cbAction.addPreCallback(SoPendulum::getClassTypeId(), prePendulum, this);
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cbAction.addPreCallback(SoShuttle::getClassTypeId(), preShuttle, this);
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cbAction.addTriangleCallback(SoShape::getClassTypeId(), addTriangleCB, this);
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cbAction.addLineSegmentCallback(SoShape::getClassTypeId(), addLineSegmentCB,
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this);
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cbAction.addPointCallback(SoShape::getClassTypeId(), addPointCB, this);
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//callback for VRMLImageTextures
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cbAction.addPreCallback(SoVRMLImageTexture::getClassTypeId(),
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_vrmlImageTextureAction,this);
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// Traverse the inventor scene graph
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cbAction.apply(rootIVNode);
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// Pop the root osg node
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groupStack.pop();
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lightStack.pop();
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return _root.get();
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}
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//////////////////////////////////////////////////////////////////////////////////
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SoCallbackAction::Response
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ConvertFromInventor::_vrmlImageTextureAction(void* data, SoCallbackAction* action,
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const SoNode* node)
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{
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#ifdef DEBUG_IV_PLUGIN
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osg::notify(osg::INFO) << "_vrmlImageTextureAction() "
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<< node->getTypeId().getName().getString() << std::endl;
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#endif
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///The converter data
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ConvertFromInventor* thisPtr = (ConvertFromInventor *) (data);
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SoVRMLImageTexture* vit = (SoVRMLImageTexture*)(node);
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if(vit)
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{
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//convert the SoVRMLImageTexture to an osg::Texture
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thisPtr->_setVRMLImageTexture(vit,action);
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}
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return SoCallbackAction::CONTINUE;
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}
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///////////////////////////////////////////////////////////////////
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SoCallbackAction::Response
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ConvertFromInventor::preShape(void* data, SoCallbackAction* action,
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const SoNode* node)
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{
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#ifdef DEBUG_IV_PLUGIN
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osg::notify(osg::INFO) << "preShape() "
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<< node->getTypeId().getName().getString() << std::endl;
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#endif
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ConvertFromInventor* thisPtr = (ConvertFromInventor *) (data);
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// Normal and color binding map from Inventor to OSG
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static std::map<SoNormalBinding::Binding, osg::Geometry::AttributeBinding>
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normBindingMap;
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static std::map<SoMaterialBinding::Binding, osg::Geometry::AttributeBinding>
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colBindingMap;
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static bool firstTime = true;
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if (firstTime)
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{
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normBindingMap[SoNormalBinding::OVERALL]
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= osg::Geometry::BIND_OVERALL;
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normBindingMap[SoNormalBinding::PER_PART]
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= osg::Geometry::BIND_PER_PRIMITIVE;
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normBindingMap[SoNormalBinding::PER_PART_INDEXED]
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= osg::Geometry::BIND_PER_PRIMITIVE;
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normBindingMap[SoNormalBinding::PER_FACE]
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= osg::Geometry::BIND_PER_PRIMITIVE;
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normBindingMap[SoNormalBinding::PER_FACE_INDEXED]
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= osg::Geometry::BIND_PER_PRIMITIVE;
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normBindingMap[SoNormalBinding::PER_VERTEX]
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= osg::Geometry::BIND_PER_VERTEX;
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normBindingMap[SoNormalBinding::PER_VERTEX_INDEXED]
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= osg::Geometry::BIND_PER_VERTEX;
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colBindingMap[SoMaterialBinding::OVERALL]
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= osg::Geometry::BIND_OVERALL;
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colBindingMap[SoMaterialBinding::PER_PART]
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= osg::Geometry::BIND_PER_PRIMITIVE;
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colBindingMap[SoMaterialBinding::PER_PART_INDEXED]
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= osg::Geometry::BIND_PER_PRIMITIVE;
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colBindingMap[SoMaterialBinding::PER_FACE]
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= osg::Geometry::BIND_PER_PRIMITIVE;
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colBindingMap[SoMaterialBinding::PER_FACE_INDEXED]
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= osg::Geometry::BIND_PER_PRIMITIVE;
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colBindingMap[SoMaterialBinding::PER_VERTEX]
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= osg::Geometry::BIND_PER_VERTEX;
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colBindingMap[SoMaterialBinding::PER_VERTEX_INDEXED]
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= osg::Geometry::BIND_PER_VERTEX;
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firstTime = false;
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}
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// Get normal and color binding
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if (node->isOfType(SoVertexShape::getClassTypeId()))
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{
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thisPtr->normalBinding = normBindingMap[action->getNormalBinding()];
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thisPtr->colorBinding = colBindingMap[action->getMaterialBinding()];
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}
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else
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{
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thisPtr->normalBinding = osg::Geometry::BIND_PER_VERTEX;
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thisPtr->colorBinding = osg::Geometry::BIND_PER_VERTEX;
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}
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// Check vertex ordering
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if (action->getVertexOrdering() == SoShapeHints::CLOCKWISE)
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thisPtr->vertexOrder = CLOCKWISE;
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else
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thisPtr->vertexOrder = COUNTER_CLOCKWISE;
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// Clear the data from the previous shape callback
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thisPtr->numPrimitives = 0;
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thisPtr->vertices.clear();
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thisPtr->normals.clear();
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thisPtr->colors.clear();
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thisPtr->textureCoords.clear();
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return SoCallbackAction::CONTINUE;
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}
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///////////////////////////////////////////////////////////
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// OSG doesn't seem to have a transpose function //
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//for matrices //
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///////////////////////////////////////////////////////////
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void ConvertFromInventor::transposeMatrix(osg::Matrix& mat)
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{
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float tmp;
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for (int j = 0; j < 4; j++)
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{
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for (int i = j + 1; i < 4; i++)
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{
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tmp = mat.operator()(j,i);
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mat.operator()(j,i) = mat.operator()(i,j);
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mat.operator()(i,j) = tmp;
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}
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}
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}
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////////////////////////////////////////////////////////////////////
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SoCallbackAction::Response
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ConvertFromInventor::postShape(void* data, SoCallbackAction* action,
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const SoNode* node)
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{
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#ifdef DEBUG_IV_PLUGIN
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osg::notify(osg::INFO) << "postShape() "
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<< node->getTypeId().getName().getString() << std::endl;
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#endif
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ConvertFromInventor* thisPtr = (ConvertFromInventor *) (data);
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// Create a new Geometry
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osg::ref_ptr<osg::Geometry> geometry = new osg::Geometry;
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// Get the modeling matrix
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osg::Matrix modelMat;
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modelMat.set((float *)action->getModelMatrix().getValue());
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// Tranform the vertices based on the modeling matrix
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osg::ref_ptr<osg::Vec3Array> coords = new osg::Vec3Array(thisPtr->vertices.size());
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for (unsigned int i = 0; i < thisPtr->vertices.size(); i++)
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(*coords)[i] = modelMat.preMult(thisPtr->vertices[i]);
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geometry->setVertexArray(coords.get());
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// Normals need to be transformed using the transpose of the inverse
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// modeling matrix
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osg::Matrix invModelMat;
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invModelMat.invert(modelMat);
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thisPtr->transposeMatrix(invModelMat);
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// Tranform the normals based on the modeling matrix
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osg::ref_ptr<osg::Vec3Array> norms = NULL;
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if (thisPtr->normalBinding == osg::Geometry::BIND_OVERALL)
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{
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norms = new osg::Vec3Array(1);
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const SbVec3f &norm = action->getNormal(0);
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(*norms)[0].set(norm[0], norm[1], norm[2]);
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(*norms)[0] = invModelMat.transform3x3((*norms)[0],invModelMat);
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(*norms)[0].normalize();
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}
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else
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{
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norms = new osg::Vec3Array(thisPtr->normals.size());
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for (unsigned int i = 0; i < thisPtr->normals.size(); i++)
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{
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(*norms)[i] = invModelMat.transform3x3(thisPtr->normals[i],
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invModelMat);
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(*norms)[i].normalize();
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}
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}
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geometry->setNormalArray(norms.get());
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geometry->setNormalBinding(thisPtr->normalBinding);
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// Set the colors
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osg::ref_ptr<osg::Vec4Array> cols;
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if (thisPtr->colorBinding == osg::Geometry::BIND_OVERALL)
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{
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cols = new osg::Vec4Array(1);
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SbColor ambient, diffuse, specular, emission;
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float transparency, shininess;
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action->getMaterial(ambient, diffuse, specular, emission, shininess,
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transparency, 0);
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(*cols)[0].set(diffuse[0], diffuse[1], diffuse[2], 1.0 - transparency);
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}
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else
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{
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cols = new osg::Vec4Array(thisPtr->colors.size());
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for (unsigned int i = 0; i < thisPtr->colors.size(); i++)
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(*cols)[i] = thisPtr->colors[i];
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}
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geometry->setColorArray(cols.get());
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geometry->setColorBinding(thisPtr->colorBinding);
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#if 0 // original code
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// BUG: if default texture coordinates are used in Inventor model,
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// the texture is not shown in OSG
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if (!(thisPtr->textureCoords.empty()) && action->getNumTextureCoordinates()>0)
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{
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osg::notify(osg::NOTICE)<<"tex coords found"<<std::endl;
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#elif 0 // bug fix
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if (!(thisPtr->textureCoords.empty())/* && action->getNumTextureCoordinates()>0*/) // BUG: That was avoiding using of automatic texture coordinate generation of IV.
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#else // improved code
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if (thisPtr->textureCoords.empty())
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osg::notify(osg::NOTICE)<<"tex coords not found"<<std::endl;
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else {
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// report texture coordinate conditions
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if (action->getNumTextureCoordinates()>0)
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osg::notify(osg::DEBUG_INFO)<<"tex coords found"<<std::endl;
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else
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osg::notify(osg::DEBUG_INFO)<<"tex coords generated"<<std::endl;
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#endif // end of changes
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// Get the texture transformation matrix
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osg::Matrix textureMat;
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textureMat.set((float *) action->getTextureMatrix().getValue());
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// Transform texture coordinates if texture matrix is not an identity mat
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osg::Matrix identityMat;
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identityMat.makeIdentity();
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osg::ref_ptr<osg::Vec2Array> texCoords
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= new osg::Vec2Array(thisPtr->textureCoords.size());
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if (textureMat == identityMat)
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{
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// Set the texture coordinates
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for (unsigned int i = 0; i < thisPtr->textureCoords.size(); i++)
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(*texCoords)[i] = thisPtr->textureCoords[i];
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}
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else
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{
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// Transform and set the texture coordinates
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for (unsigned int i = 0; i < thisPtr->textureCoords.size(); i++)
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{
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osg::Vec3 transVec = textureMat.preMult(
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osg::Vec3(thisPtr->textureCoords[i][0],
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thisPtr->textureCoords[i][1],
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0.0));
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(*texCoords)[i].set(transVec.x(), transVec.y());
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}
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}
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geometry->setTexCoordArray(0, texCoords.get());
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}
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// Set the parameters for the geometry
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geometry->addPrimitiveSet(new osg::DrawArrays(thisPtr->primitiveType,0,
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coords->size()));
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// Get the StateSet for the geoset
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osg::ref_ptr<osg::StateSet> stateSet = thisPtr->getStateSet(action);
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geometry->setStateSet(stateSet.get());
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// Add the geoset to a geode
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osg::ref_ptr<osg::Geode> geode = new osg::Geode;
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geode->addDrawable(geometry.get());
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// Add geode to scenegraph
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thisPtr->groupStack.top()->addChild(geode.get());
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return SoCallbackAction::CONTINUE;
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}
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///////////////////////////////////////////////////////////////
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SoCallbackAction::Response
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ConvertFromInventor::preTexture(void* data, SoCallbackAction *,
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const SoNode* node)
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{
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#ifdef DEBUG_IV_PLUGIN
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osg::notify(osg::INFO) << "preTexture() "
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<< node->getTypeId().getName().getString() << std::endl;
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#endif
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ConvertFromInventor* thisPtr = (ConvertFromInventor *) (data);
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if (thisPtr->soTexStack.size())
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thisPtr->soTexStack.pop() ;
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thisPtr->soTexStack.push((SoTexture2 *)node) ;
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return SoCallbackAction::CONTINUE;
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}
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//////////////////////////////////////////////////////////////////
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void ConvertFromInventor::transformLight(SoCallbackAction* action,
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const SbVec3f& vec,
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osg::Vec3& transVec)
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{
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osg::Matrix modelMat;
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modelMat.set((float *)action->getModelMatrix().getValue());
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transVec.set(vec[0], vec[1], vec[2]);
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transVec = modelMat.preMult(transVec);
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}
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///////////////////////////////////////////////////////////////////
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SoCallbackAction::Response
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ConvertFromInventor::preLight(void* data, SoCallbackAction* action,
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const SoNode* node)
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{
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#ifdef DEBUG_IV_PLUGIN
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osg::notify(osg::INFO) << "preLight() "
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<< node->getTypeId().getName().getString() << std::endl;
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#endif
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ConvertFromInventor* thisPtr = (ConvertFromInventor *) (data);
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static int lightNum = 1;
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// Return if the light is not on
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const SoLight* ivLight = (const SoLight*) node;
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if (!ivLight->on.getValue())
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return SoCallbackAction::CONTINUE;
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osg::ref_ptr<osg::Light> osgLight = new osg::Light;
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osgLight->setLightNum(lightNum++);
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// Get color and intensity
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SbVec3f lightColor = ivLight->color.getValue();
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float intensity = ivLight->intensity.getValue();
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// Set color and intensity
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osgLight->setDiffuse(osg::Vec4(lightColor[0] * intensity,
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lightColor[1] * intensity,
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lightColor[2] * intensity, 1));
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if (node->isOfType(SoDirectionalLight::getClassTypeId()))
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{
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SoDirectionalLight *dirLight = (SoDirectionalLight *) node;
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osg::Vec3 transVec;
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thisPtr->transformLight(action, dirLight->direction.getValue(), transVec);
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osgLight->setPosition(osg::Vec4(transVec.x(), transVec.y(),
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transVec.z(), 0));
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}
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else if (node->isOfType(SoPointLight::getClassTypeId()))
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{
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SoPointLight* ptLight = (SoPointLight *) node;
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osg::Vec3 transVec;
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thisPtr->transformLight(action, ptLight->location.getValue(), transVec);
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osgLight->setPosition(osg::Vec4(transVec.x(), transVec.y(),
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transVec.z(), 0));
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}
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else if (node->isOfType(SoSpotLight::getClassTypeId()))
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{
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SoSpotLight* spotLight = (SoSpotLight *) node;
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osgLight->setSpotExponent(spotLight->dropOffRate.getValue() * 128.0);
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osgLight->setSpotCutoff(spotLight->cutOffAngle.getValue()*180.0/osg::PI);
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osg::Vec3 transVec;
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thisPtr->transformLight(action, spotLight->location.getValue(), transVec);
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osgLight->setPosition(osg::Vec4(transVec.x(), transVec.y(),
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transVec.z(), 0));
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thisPtr->transformLight(action, spotLight->direction.getValue(),transVec);
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osgLight->setDirection(osg::Vec3(transVec.x(), transVec.y(),
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transVec.z()));
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}
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// Add light to list in the current level
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if (thisPtr->lightStack.size())
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{
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LightList lightList;
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lightList = thisPtr->lightStack.top();
|
|
lightList.push_back(osgLight.get());
|
|
thisPtr->lightStack.pop();
|
|
thisPtr->lightStack.push(lightList);
|
|
}
|
|
|
|
return SoCallbackAction::CONTINUE;
|
|
}
|
|
///////////////////////////////////////////////////////////////////////////////////////
|
|
osg::ref_ptr<osg::StateSet> ConvertFromInventor::getStateSet(SoCallbackAction* action)
|
|
{
|
|
osg::ref_ptr<osg::StateSet> stateSet = new osg::StateSet;
|
|
|
|
// Inherit modes from the global state
|
|
stateSet->clear();
|
|
|
|
SbColor ambient, diffuse, specular, emission;
|
|
float shininess, transparency;
|
|
|
|
// Get the material colors
|
|
action->getMaterial(ambient, diffuse, specular, emission,
|
|
shininess, transparency, 0);
|
|
|
|
// Set transparency
|
|
if (transparency > 0)
|
|
{
|
|
osg::ref_ptr<osg::BlendFunc> transparency = new osg::BlendFunc;
|
|
stateSet->setAttributeAndModes(transparency.get(),
|
|
osg::StateAttribute::ON);
|
|
|
|
// Enable depth sorting for transparent objects
|
|
stateSet->setRenderingHint(osg::StateSet::TRANSPARENT_BIN);
|
|
}
|
|
|
|
// Set linewidth
|
|
if (action->getLineWidth())
|
|
{
|
|
osg::ref_ptr<osg::LineWidth> lineWidth = new osg::LineWidth;
|
|
lineWidth->setWidth(action->getLineWidth());
|
|
stateSet->setAttributeAndModes(lineWidth.get(), osg::StateAttribute::ON);
|
|
}
|
|
|
|
// Set pointsize
|
|
if (action->getPointSize())
|
|
{
|
|
osg::ref_ptr<osg::Point> point = new osg::Point;
|
|
point->setSize(action->getPointSize());
|
|
stateSet->setAttributeAndModes(point.get(), osg::StateAttribute::ON);
|
|
}
|
|
|
|
// Set draw mode
|
|
switch (action->getDrawStyle())
|
|
{
|
|
case SoDrawStyle::FILLED:
|
|
{
|
|
#if 0
|
|
// OSG defaults to filled draw style, so no need to set redundent state.
|
|
osg::PolygonMode *polygonMode = new osg::PolygonMode;
|
|
polygonMode->setMode(osg::PolygonMode::FRONT_AND_BACK,
|
|
osg::PolygonMode::FILL);
|
|
stateSet->setAttributeAndModes(polygonMode, osg::StateAttribute::ON);
|
|
#endif
|
|
break;
|
|
}
|
|
case SoDrawStyle::LINES:
|
|
{
|
|
osg::ref_ptr<osg::PolygonMode> polygonMode = new osg::PolygonMode;
|
|
polygonMode->setMode(osg::PolygonMode::FRONT_AND_BACK,
|
|
osg::PolygonMode::LINE);
|
|
stateSet->setAttributeAndModes(polygonMode.get(), osg::StateAttribute::ON);
|
|
break;
|
|
}
|
|
case SoDrawStyle::POINTS:
|
|
{
|
|
osg::ref_ptr<osg::PolygonMode> polygonMode = new osg::PolygonMode;
|
|
polygonMode->setMode(osg::PolygonMode::FRONT_AND_BACK,
|
|
osg::PolygonMode::POINT);
|
|
stateSet->setAttributeAndModes(polygonMode.get(), osg::StateAttribute::ON);
|
|
break;
|
|
}
|
|
case SoDrawStyle::INVISIBLE:
|
|
// check how to handle this in osg.
|
|
break;
|
|
}
|
|
|
|
// Set back face culling
|
|
if (action->getShapeType() == SoShapeHints::SOLID)
|
|
{
|
|
osg::ref_ptr<osg::CullFace> cullFace = new osg::CullFace;
|
|
cullFace->setMode(osg::CullFace::BACK);
|
|
stateSet->setAttributeAndModes(cullFace.get(), osg::StateAttribute::ON);
|
|
}
|
|
|
|
// Set lighting
|
|
if (action->getLightModel() == SoLightModel::BASE_COLOR)
|
|
stateSet->setMode(GL_LIGHTING, osg::StateAttribute::OFF);
|
|
else
|
|
{
|
|
// Set the material
|
|
osg::ref_ptr<osg::Material> material = new osg::Material;
|
|
|
|
material->setAmbient(osg::Material::FRONT_AND_BACK,
|
|
osg::Vec4(ambient[0], ambient[1], ambient[2],
|
|
1.0 - transparency));
|
|
material->setDiffuse(osg::Material::FRONT_AND_BACK,
|
|
osg::Vec4(diffuse[0], diffuse[1], diffuse[2],
|
|
1.0 - transparency));
|
|
material->setSpecular(osg::Material::FRONT_AND_BACK,
|
|
osg::Vec4(specular[0], specular[1], specular[2],
|
|
1.0 - transparency));
|
|
material->setEmission(osg::Material::FRONT_AND_BACK,
|
|
osg::Vec4(emission[0], emission[1], emission[2],
|
|
1.0 - transparency));
|
|
material->setTransparency(osg::Material::FRONT_AND_BACK, transparency);
|
|
if (specular[0] || specular[1] || specular[2])
|
|
material->setShininess(osg::Material::FRONT_AND_BACK,
|
|
shininess*128.0);
|
|
else
|
|
material->setShininess(osg::Material::FRONT_AND_BACK, 0.0);
|
|
|
|
material->setColorMode(osg::Material::DIFFUSE);
|
|
|
|
stateSet->setAttributeAndModes(material.get(), osg::StateAttribute::ON);
|
|
stateSet->setMode(GL_LIGHTING, osg::StateAttribute::ON);
|
|
|
|
#if 0
|
|
// disable as two sided lighting causes problem under NVidia, and the above osg::Material settings are single sided anway..
|
|
// Set two sided lighting
|
|
osg::LightModel* lightModel = new osg::LightModel;
|
|
lightModel->setTwoSided(true);
|
|
stateSet->setAttributeAndModes(lightModel, osg::StateAttribute::ON);
|
|
#endif
|
|
// Set lights
|
|
LightList lightList = lightStack.top();
|
|
for (unsigned int i = 0; i < lightList.size(); i++)
|
|
stateSet->setAttributeAndModes(lightList[i],
|
|
osg::StateAttribute::ON);
|
|
}
|
|
|
|
// Convert the IV texture to OSG texture if any
|
|
osg::ref_ptr<osg::Texture2D> texture;
|
|
if(_hasVRMLImageTexture)
|
|
{
|
|
///VRMLImageTexture
|
|
texture = _getConvertedVRMLImageTexture();
|
|
_hasVRMLImageTexture = false;
|
|
stateSet->setTextureAttributeAndModes(0,texture.get(), osg::StateAttribute::ON);
|
|
|
|
// Set the texture environment
|
|
osg::ref_ptr<osg::TexEnv> texEnv = new osg::TexEnv;
|
|
switch (action->getTextureModel())
|
|
{
|
|
case SoTexture2::MODULATE:
|
|
texEnv->setMode(osg::TexEnv::MODULATE);
|
|
break;
|
|
case SoTexture2::DECAL:
|
|
texEnv->setMode(osg::TexEnv::DECAL);
|
|
break;
|
|
case SoTexture2::BLEND:
|
|
texEnv->setMode(osg::TexEnv::BLEND);
|
|
break;
|
|
|
|
#ifdef COIN_BASIC_H
|
|
// This check is a very crude Coin detector.
|
|
// SGI's Inventor does not have REPLACE mode, but the Coin 3D library does.
|
|
case SoTexture2::REPLACE:
|
|
texEnv->setMode(osg::TexEnv::REPLACE);
|
|
break;
|
|
#endif
|
|
}
|
|
stateSet->setTextureAttributeAndModes(0,texEnv.get(),osg::StateAttribute::ON);
|
|
stateSet->setAttributeAndModes(new osg::ShadeModel());
|
|
|
|
}
|
|
else if (soTexStack.top())
|
|
{
|
|
osg::notify(osg::NOTICE)<<"Have texture"<<std::endl;
|
|
|
|
//osg::ref_ptr<osg::Texture2D> tex;
|
|
// Found a corresponding OSG texture object
|
|
if (ivToOsgTexMap[soTexStack.top()])
|
|
texture = ivToOsgTexMap[soTexStack.top()];
|
|
else
|
|
{
|
|
// Create a new osg texture
|
|
texture = convertIVTexToOSGTex(soTexStack.top(), action);
|
|
|
|
// Add the new texture to the database
|
|
ivToOsgTexMap[soTexStack.top()] = texture.get();
|
|
}
|
|
|
|
stateSet->setTextureAttributeAndModes(0,texture.get(), osg::StateAttribute::ON);
|
|
|
|
// Set the texture environment
|
|
osg::ref_ptr<osg::TexEnv> texEnv = new osg::TexEnv;
|
|
switch (action->getTextureModel())
|
|
{
|
|
case SoTexture2::MODULATE:
|
|
texEnv->setMode(osg::TexEnv::MODULATE);
|
|
break;
|
|
case SoTexture2::DECAL:
|
|
texEnv->setMode(osg::TexEnv::DECAL);
|
|
break;
|
|
case SoTexture2::BLEND:
|
|
texEnv->setMode(osg::TexEnv::BLEND);
|
|
break;
|
|
|
|
#ifdef COIN_BASIC_H
|
|
// This check is a very crude Coin detector.
|
|
// SGI's Inventor does not have REPLACE mode, but the Coin 3D library does.
|
|
case SoTexture2::REPLACE:
|
|
texEnv->setMode(osg::TexEnv::REPLACE);
|
|
break;
|
|
#endif
|
|
}
|
|
stateSet->setTextureAttributeAndModes(0,texEnv.get(),osg::StateAttribute::ON);
|
|
}
|
|
else
|
|
{
|
|
// fallback because many inventor models don't appear to have any SoTexture2..
|
|
SbVec2s soTexSize;
|
|
int soTexNC;
|
|
const unsigned char* texImage = action->getTextureImage(soTexSize, soTexNC);
|
|
if (texImage)
|
|
{
|
|
osg::notify(osg::NOTICE)<<"Image data found soTexSize[0]="<<soTexSize[0]<<", soTexSize[1]="<<soTexSize[1]<<"\tsoTexNC="<<soTexNC<<std::endl;
|
|
|
|
// Allocate memory for image data
|
|
unsigned char* imageData = new unsigned char[soTexSize[0] * soTexSize[1] *
|
|
soTexNC];
|
|
|
|
// Copy the texture image data from the inventor texture
|
|
memcpy(imageData, texImage, soTexSize[0] * soTexSize[1] * soTexNC);
|
|
|
|
// Create the osg image
|
|
osg::ref_ptr<osg::Image> osgTexImage = new osg::Image;
|
|
#if 0
|
|
SbString iv_string;
|
|
soTex->filename.get(iv_string);
|
|
std::string str(iv_string.getString());
|
|
osg::notify(osg::INFO) << str << " -> ";
|
|
if (str[0]=='\"') str.erase(str.begin());
|
|
if (str[str.size()-1]=='\"') str.erase(str.begin()+str.size()-1);
|
|
osg::notify(osg::INFO) << str << std::endl;
|
|
osgTexImage->setFileName(str);
|
|
#endif
|
|
|
|
GLenum formats[] = {GL_LUMINANCE, GL_LUMINANCE_ALPHA, GL_RGB, GL_RGBA};
|
|
osgTexImage->setImage(soTexSize[0], soTexSize[1], 0, soTexNC,
|
|
formats[soTexNC-1], GL_UNSIGNED_BYTE, imageData,
|
|
osg::Image::USE_NEW_DELETE/*, -1*/); // BUG: -1 have to be removed (definitely WRONG packing!) It causes crashes of GLU.
|
|
|
|
// Create the osg texture
|
|
texture = new osg::Texture2D;
|
|
texture->setImage(osgTexImage.get());
|
|
|
|
static std::map<SoTexture2::Wrap, osg::Texture2D::WrapMode> texWrapMap2;
|
|
static bool firstTime2 = true;
|
|
if (firstTime2)
|
|
{
|
|
texWrapMap2[SoTexture2::CLAMP] = osg::Texture2D::CLAMP;
|
|
texWrapMap2[SoTexture2::REPEAT] = osg::Texture2D::REPEAT;
|
|
firstTime2 = false;
|
|
}
|
|
// Set texture wrap mode
|
|
texture->setWrap(osg::Texture2D::WRAP_S,texWrapMap2[action->getTextureWrapS()]);
|
|
texture->setWrap(osg::Texture2D::WRAP_T,texWrapMap2[action->getTextureWrapT()]);
|
|
|
|
stateSet->setTextureAttributeAndModes(0,texture.get(), osg::StateAttribute::ON);
|
|
|
|
// Set the texture environment
|
|
osg::ref_ptr<osg::TexEnv> texEnv = new osg::TexEnv;
|
|
switch (action->getTextureModel())
|
|
{
|
|
case SoTexture2::MODULATE:
|
|
texEnv->setMode(osg::TexEnv::MODULATE);
|
|
break;
|
|
case SoTexture2::DECAL:
|
|
texEnv->setMode(osg::TexEnv::DECAL);
|
|
break;
|
|
case SoTexture2::BLEND:
|
|
texEnv->setMode(osg::TexEnv::BLEND);
|
|
break;
|
|
|
|
#ifdef COIN_BASIC_H
|
|
// This check is a very crude Coin detector.
|
|
// SGI's Inventor does not have REPLACE mode, but the Coin 3D library does.
|
|
case SoTexture2::REPLACE:
|
|
texEnv->setMode(osg::TexEnv::REPLACE);
|
|
break;
|
|
#endif
|
|
}
|
|
stateSet->setTextureAttributeAndModes(0,texEnv.get(),osg::StateAttribute::ON);
|
|
}
|
|
}
|
|
return stateSet;
|
|
}
|
|
////////////////////////////////////////////////////////////////////
|
|
osg::Texture2D*
|
|
ConvertFromInventor::convertIVTexToOSGTex(SoTexture2* soTex,
|
|
SoCallbackAction* action)
|
|
{
|
|
osg::notify(osg::NOTICE)<<"convertIVTexToOSGTex"<<std::endl;
|
|
|
|
SbVec2s soTexSize;
|
|
int soTexNC;
|
|
|
|
// Get the texture size and components
|
|
const unsigned char* texImage;
|
|
texImage = soTex->image.getValue(soTexSize, soTexNC);
|
|
if (!texImage)
|
|
return NULL;
|
|
|
|
// Allocate memory for image data
|
|
unsigned char* imageData = new unsigned char[soTexSize[0] * soTexSize[1] *
|
|
soTexNC];
|
|
|
|
// Copy the texture image data from the inventor texture
|
|
memcpy(imageData, texImage, soTexSize[0] * soTexSize[1] * soTexNC);
|
|
|
|
// Create the osg image
|
|
osg::ref_ptr<osg::Image> osgTexImage = new osg::Image;
|
|
SbString iv_string;
|
|
soTex->filename.get(iv_string);
|
|
std::string str(iv_string.getString());
|
|
osg::notify(osg::INFO) << str << " -> ";
|
|
if (str[0]=='\"') str.erase(str.begin());
|
|
if (str[str.size()-1]=='\"') str.erase(str.begin()+str.size()-1);
|
|
osg::notify(osg::INFO) << str << std::endl;
|
|
osgTexImage->setFileName(str);
|
|
GLenum formats[] = {GL_LUMINANCE, GL_LUMINANCE_ALPHA, GL_RGB, GL_RGBA};
|
|
osgTexImage->setImage(soTexSize[0], soTexSize[1], 0, soTexNC,
|
|
formats[soTexNC-1], GL_UNSIGNED_BYTE, imageData,
|
|
osg::Image::USE_NEW_DELETE/*, -1*/); // BUG: -1 have to be removed (definitely WRONG packing!) It causes crashes of GLU.
|
|
|
|
// Create the osg texture
|
|
osg::ref_ptr<osg::Texture2D> osgTex = new osg::Texture2D;
|
|
osgTex->setImage(osgTexImage.get());
|
|
|
|
static std::map<SoTexture2::Wrap, osg::Texture2D::WrapMode> texWrapMap;
|
|
static bool firstTime = true;
|
|
if (firstTime)
|
|
{
|
|
texWrapMap[SoTexture2::CLAMP] = osg::Texture2D::CLAMP;
|
|
texWrapMap[SoTexture2::REPEAT] = osg::Texture2D::REPEAT;
|
|
firstTime = false;
|
|
}
|
|
|
|
// Set texture wrap mode
|
|
osgTex->setWrap(osg::Texture2D::WRAP_S,texWrapMap[action->getTextureWrapS()]);
|
|
osgTex->setWrap(osg::Texture2D::WRAP_T,texWrapMap[action->getTextureWrapT()]);
|
|
|
|
return osgTex.get();
|
|
}
|
|
///////////////////////////////////////////////////////////////////
|
|
SoCallbackAction::Response
|
|
ConvertFromInventor::preGroup(void* data, SoCallbackAction* action,
|
|
const SoNode* node)
|
|
{
|
|
#ifdef DEBUG_IV_PLUGIN
|
|
osg::notify(osg::INFO) << "preGroup() "
|
|
<< node->getTypeId().getName().getString() << std::endl;
|
|
#endif
|
|
|
|
ConvertFromInventor* thisPtr = (ConvertFromInventor *) (data);
|
|
|
|
// Handle SoLOD nodes
|
|
if (node->getTypeId() == GroupSoLOD::getClassTypeId())
|
|
return preLOD(data, action, node);
|
|
|
|
// Create a new group and add it to the stack
|
|
osg::ref_ptr<osg::Group> group = new osg::Group;
|
|
thisPtr->groupStack.top()->addChild(group.get());
|
|
thisPtr->groupStack.push(group.get());
|
|
|
|
if (node->isOfType(SoSeparator::getClassTypeId()))
|
|
{
|
|
if (thisPtr->soTexStack.size())
|
|
thisPtr->soTexStack.push(thisPtr->soTexStack.top());
|
|
else
|
|
thisPtr->soTexStack.push(NULL);
|
|
if (thisPtr->lightStack.size())
|
|
{
|
|
LightList lightList = thisPtr->lightStack.top();
|
|
thisPtr->lightStack.push(lightList);
|
|
}
|
|
}
|
|
|
|
return SoCallbackAction::CONTINUE;
|
|
}
|
|
//////////////////////////////////////////////////////////////
|
|
SoCallbackAction::Response
|
|
ConvertFromInventor::postGroup(void* data, SoCallbackAction *,
|
|
const SoNode* node)
|
|
{
|
|
#ifdef DEBUG_IV_PLUGIN
|
|
osg::notify(osg::INFO) << "postGroup() "
|
|
<< node->getTypeId().getName().getString() << std::endl;
|
|
#endif
|
|
|
|
ConvertFromInventor* thisPtr = (ConvertFromInventor *) (data);
|
|
|
|
// Pop all the groups that are Transforms and add it
|
|
// to the corresponding parent group
|
|
osg::ref_ptr<osg::Group> group = thisPtr->groupStack.top();
|
|
while (strcmp(group->className(), "MatrixTransform") == 0)
|
|
{
|
|
thisPtr->groupStack.pop();
|
|
thisPtr->groupStack.top()->addChild(group.get());
|
|
group = thisPtr->groupStack.top();
|
|
}
|
|
|
|
// Pop the group from the stack and add it to it's parent
|
|
thisPtr->groupStack.pop();
|
|
thisPtr->groupStack.top()->addChild(group.get());
|
|
|
|
// Pop the state if the group is a Separator
|
|
if (node->isOfType(SoSeparator::getClassTypeId()))
|
|
{
|
|
thisPtr->soTexStack.pop();
|
|
thisPtr->lightStack.pop();
|
|
}
|
|
|
|
return SoCallbackAction::CONTINUE;
|
|
}
|
|
////////////////////////////////////////////////////////////
|
|
SoCallbackAction::Response
|
|
ConvertFromInventor::preLOD(void* data, SoCallbackAction *,
|
|
const SoNode* node)
|
|
{
|
|
#ifdef DEBUG_IV_PLUGIN
|
|
osg::notify(osg::INFO) << "preLOD() "
|
|
<< node->getTypeId().getName().getString() << std::endl;
|
|
#endif
|
|
|
|
ConvertFromInventor* thisPtr = (ConvertFromInventor *) (data);
|
|
|
|
// Inventor LOD node
|
|
SoLOD *ivLOD = (SoLOD *) node;
|
|
|
|
// Create a new LOD and add it to the stack
|
|
osg::ref_ptr<osg::LOD> lod = new osg::LOD;
|
|
thisPtr->groupStack.push(lod.get());
|
|
thisPtr->groupStack.top()->addChild(lod.get());
|
|
|
|
// Get the center of LOD and set it
|
|
SbVec3f ivCenter = ivLOD->center.getValue();
|
|
lod->setCenter(osg::Vec3(ivCenter[0], ivCenter[1], ivCenter[2]));
|
|
|
|
// Get the ranges and set it
|
|
// lod->setRange(0, 0.0);
|
|
lod->setRange(0, 0.0, ivLOD->range[0]);
|
|
for (int i = 1; i < ivLOD->getChildren()->getLength(); i++)
|
|
lod->setRange(i, ivLOD->range[i-1], ivLOD->range[i]);
|
|
|
|
lod->setRange(ivLOD->getChildren()->getLength(),
|
|
ivLOD->range[ivLOD->getChildren()->getLength()],FLT_MAX);
|
|
|
|
return SoCallbackAction::CONTINUE;
|
|
}
|
|
/////////////////////////////////////////////////////////////
|
|
SoCallbackAction::Response
|
|
ConvertFromInventor::preRotor(void* data, SoCallbackAction *,
|
|
const SoNode* node)
|
|
{
|
|
#ifdef DEBUG_IV_PLUGIN
|
|
osg::notify(osg::INFO) << "preRotor() "
|
|
<< node->getTypeId().getName().getString() << std::endl;
|
|
#endif
|
|
|
|
ConvertFromInventor* thisPtr = (ConvertFromInventor *) (data);
|
|
|
|
// Get the parameters for the inventor Rotor
|
|
SoRotor *ivRotor = (SoRotor *) node;
|
|
SbVec3f ivAxis;
|
|
float angle;
|
|
ivRotor->rotation.getValue(ivAxis, angle);
|
|
|
|
// Create a new osg::MatrixTransform
|
|
osg::ref_ptr<osg::MatrixTransform> rotorTransform = new osg::MatrixTransform;
|
|
|
|
// Create a Rotor Callback equivalent to the inventor Rotor
|
|
osg::Vec3 pivot(0, 0, 0);
|
|
osg::Vec3 axis(ivAxis[0], ivAxis[1], ivAxis[2]);
|
|
osg::ref_ptr<osgUtil::TransformCallback> rotorCallback
|
|
= new osgUtil::TransformCallback(pivot, axis,
|
|
2 * osg::PI * ivRotor->speed.getValue());
|
|
|
|
// Set the app callback
|
|
rotorTransform->setUpdateCallback(rotorCallback.get());
|
|
|
|
// Push the rotor transform onto the group stack
|
|
thisPtr->groupStack.push(rotorTransform.get());
|
|
thisPtr->groupStack.top()->addChild(rotorTransform.get());
|
|
|
|
return SoCallbackAction::CONTINUE;
|
|
}
|
|
////////////////////////////////////////////////////////////////
|
|
SoCallbackAction::Response
|
|
ConvertFromInventor::prePendulum(void* data, SoCallbackAction *,
|
|
const SoNode* node)
|
|
{
|
|
#ifdef DEBUG_IV_PLUGIN
|
|
osg::notify(osg::INFO) << "prePendulum() "
|
|
<< node->getTypeId().getName().getString() << std::endl;
|
|
#endif
|
|
|
|
ConvertFromInventor* thisPtr = (ConvertFromInventor *) (data);
|
|
|
|
// Get the parameters for the inventor Pendulum
|
|
SoPendulum *ivPendulum = (SoPendulum *) node;
|
|
SbVec3f ivAxis0, ivAxis1;
|
|
float startAngle, endAngle;
|
|
ivPendulum->rotation0.getValue(ivAxis0, startAngle);
|
|
ivPendulum->rotation1.getValue(ivAxis1, endAngle);
|
|
|
|
// Create a new osg::MatrixTransform
|
|
osg::ref_ptr<osg::MatrixTransform> pendulumTransform = new osg::MatrixTransform;
|
|
|
|
// Create a Pendulum Callback equivalent to the inventor Rotor
|
|
osg::Vec3 axis(ivAxis0[0], ivAxis0[1], ivAxis0[2]);
|
|
PendulumCallback* pendulumCallback
|
|
= new PendulumCallback(axis, startAngle, endAngle,
|
|
ivPendulum->speed.getValue());
|
|
|
|
// Set the app callback
|
|
pendulumTransform->setUpdateCallback(pendulumCallback);
|
|
|
|
// Push the pendulum transform onto the group stack
|
|
thisPtr->groupStack.push(pendulumTransform.get());
|
|
thisPtr->groupStack.top()->addChild(pendulumTransform.get());
|
|
|
|
return SoCallbackAction::CONTINUE;
|
|
}
|
|
////////////////////////////////////////////////////////////////
|
|
SoCallbackAction::Response
|
|
ConvertFromInventor::preShuttle(void* data, SoCallbackAction *,
|
|
const SoNode* node)
|
|
{
|
|
#ifdef DEBUG_IV_PLUGIN
|
|
osg::notify(osg::INFO) << "preShuttle() "
|
|
<< node->getTypeId().getName().getString() << std::endl;
|
|
#endif
|
|
|
|
ConvertFromInventor* thisPtr = (ConvertFromInventor *) (data);
|
|
|
|
// Get the parameters for the inventor Shuttle
|
|
SoShuttle *ivShuttle = (SoShuttle *) node;
|
|
SbVec3f ivStartPos, ivEndPos;
|
|
ivStartPos = ivShuttle->translation0.getValue();
|
|
ivEndPos = ivShuttle->translation1.getValue();
|
|
|
|
// Create a new osg::MatrixTransform
|
|
osg::ref_ptr<osg::MatrixTransform> shuttleTransform = new osg::MatrixTransform;
|
|
|
|
// Create a shuttle Callback equivalent to the inventor Rotor
|
|
osg::Vec3 startPos(ivStartPos[0], ivStartPos[1], ivStartPos[2]);
|
|
osg::Vec3 endPos(ivEndPos[0], ivEndPos[1], ivEndPos[2]);
|
|
ShuttleCallback* shuttleCallback
|
|
= new ShuttleCallback(startPos, endPos, ivShuttle->speed.getValue());
|
|
|
|
// Set the app callback
|
|
shuttleTransform->setUpdateCallback(shuttleCallback);
|
|
|
|
// Push the shuttle transform onto the group stack
|
|
thisPtr->groupStack.push(shuttleTransform.get());
|
|
thisPtr->groupStack.top()->addChild(shuttleTransform.get());
|
|
|
|
return SoCallbackAction::CONTINUE;
|
|
}
|
|
////////////////////////////////////////////////////////////
|
|
void ConvertFromInventor::addVertex(SoCallbackAction* action,
|
|
const SoPrimitiveVertex *v,
|
|
int index)
|
|
{
|
|
// Get the coordinates of the vertex
|
|
SbVec3f pt = v->getPoint();
|
|
vertices.push_back(osg::Vec3(pt[0], pt[1], pt[2]));
|
|
|
|
// Get the normal of the vertex
|
|
SbVec3f norm = v->getNormal();
|
|
|
|
if ((normalBinding == osg::Geometry::BIND_PER_VERTEX) ||
|
|
(normalBinding == osg::Geometry::BIND_PER_PRIMITIVE && index == 0))
|
|
{
|
|
if (vertexOrder == CLOCKWISE)
|
|
normals.push_back(osg::Vec3(-norm[0], -norm[1], -norm[2]));
|
|
else
|
|
normals.push_back(osg::Vec3(norm[0], norm[1], norm[2]));
|
|
}
|
|
|
|
if (colorBinding == osg::Geometry::BIND_PER_VERTEX ||
|
|
colorBinding == osg::Geometry::BIND_PER_PRIMITIVE)
|
|
{
|
|
// Get the material/color
|
|
SbColor ambient, diffuse, specular, emission;
|
|
float transparency, shininess;
|
|
action->getMaterial(ambient, diffuse, specular, emission, shininess,
|
|
transparency, v->getMaterialIndex());
|
|
if (colorBinding == osg::Geometry::BIND_PER_VERTEX)
|
|
colors.push_back(osg::Vec4(diffuse[0], diffuse[1], diffuse[2],
|
|
1.0 - transparency));
|
|
else if (colorBinding == osg::Geometry::BIND_PER_PRIMITIVE && index == 0)
|
|
colors.push_back(osg::Vec4(diffuse[0], diffuse[1], diffuse[2],
|
|
1.0 - transparency));
|
|
}
|
|
|
|
// Get the texture coordinates
|
|
SbVec4f texCoord = v->getTextureCoords();
|
|
textureCoords.push_back(osg::Vec2(texCoord[0], texCoord[1]));
|
|
}
|
|
////////////////////////////////////////////////////////////////////////////
|
|
void ConvertFromInventor::addTriangleCB(void* data, SoCallbackAction* action,
|
|
const SoPrimitiveVertex* v0,
|
|
const SoPrimitiveVertex* v1,
|
|
const SoPrimitiveVertex* v2)
|
|
{
|
|
ConvertFromInventor* thisPtr = (ConvertFromInventor *) (data);
|
|
|
|
switch (thisPtr->vertexOrder)
|
|
{
|
|
case CLOCKWISE:
|
|
thisPtr->addVertex(action, v0, 0);
|
|
thisPtr->addVertex(action, v2, 1);
|
|
thisPtr->addVertex(action, v1, 2);
|
|
break;
|
|
case COUNTER_CLOCKWISE:
|
|
thisPtr->addVertex(action, v0, 0);
|
|
thisPtr->addVertex(action, v1, 1);
|
|
thisPtr->addVertex(action, v2, 2);
|
|
break;
|
|
}
|
|
|
|
thisPtr->numPrimitives++;
|
|
thisPtr->primitiveType = osg::PrimitiveSet::TRIANGLES;
|
|
}
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
void ConvertFromInventor::addLineSegmentCB(void* data, SoCallbackAction* action,
|
|
const SoPrimitiveVertex* v0,
|
|
const SoPrimitiveVertex* v1)
|
|
{
|
|
ConvertFromInventor* thisPtr = (ConvertFromInventor *) (data);
|
|
|
|
thisPtr->addVertex(action, v0, 0);
|
|
thisPtr->addVertex(action, v1, 1);
|
|
|
|
thisPtr->numPrimitives++;
|
|
thisPtr->primitiveType = osg::PrimitiveSet::LINES;
|
|
}
|
|
//////////////////////////////////////////////////////////////////////////
|
|
void ConvertFromInventor::addPointCB(void* data, SoCallbackAction* action,
|
|
const SoPrimitiveVertex* v0)
|
|
{
|
|
ConvertFromInventor* thisPtr = (ConvertFromInventor *) (data);
|
|
|
|
thisPtr->addVertex(action, v0, 0);
|
|
|
|
thisPtr->numPrimitives++;
|
|
thisPtr->primitiveType = osg::PrimitiveSet::POINTS;
|
|
}
|
|
//////////////////////////////////////////////////////////////////////
|
|
void ConvertFromInventor::_setVRMLImageTexture(const SoVRMLImageTexture* vit,
|
|
SoCallbackAction* action)
|
|
{
|
|
_hasVRMLImageTexture = true;
|
|
///Coin API to extract VRML97 ImageTexture
|
|
int nComponents = 1;
|
|
SbImage* vitImage = (SbImage*)vit->getImage();
|
|
SbString filename;
|
|
filename = vit->url.getValues(0)[0];
|
|
vitImage->readFile(filename);
|
|
|
|
SbVec2s dimensions;
|
|
dimensions[0] = 2;
|
|
dimensions[1] = 2;
|
|
const unsigned char* dataPtr = vitImage->getValue(dimensions,nComponents);
|
|
|
|
unsigned char* data = new unsigned char[dimensions[0]*
|
|
dimensions[1]*
|
|
nComponents];
|
|
|
|
///Is this effiecient???
|
|
memcpy(data, dataPtr, dimensions[0]*dimensions[1]*nComponents);
|
|
|
|
GLenum format = GL_RGBA;
|
|
switch (nComponents)
|
|
{
|
|
case 1:
|
|
format = GL_LUMINANCE;
|
|
break;
|
|
case 2:
|
|
format = GL_LUMINANCE_ALPHA;
|
|
break;
|
|
case 3:
|
|
format = GL_RGB;
|
|
break;
|
|
case 4:
|
|
default:
|
|
format = GL_RGBA;
|
|
break;
|
|
};
|
|
|
|
osg::ref_ptr<osg::Image> image = new osg::Image();
|
|
image->setImage(dimensions[0], dimensions[1], 1, nComponents,
|
|
format, GL_UNSIGNED_BYTE, const_cast<unsigned char*>(data),
|
|
osg::Image::USE_NEW_DELETE);
|
|
|
|
|
|
osg::ref_ptr<osg::Texture2D> texture = new osg::Texture2D();
|
|
texture->setImage(image.get());
|
|
|
|
osg::Texture::WrapMode smode = (vit->repeatS.getValue())?(osg::Texture::REPEAT):(osg::Texture::CLAMP);
|
|
osg::Texture::WrapMode tmode = (vit->repeatT.getValue())?(osg::Texture::REPEAT):(osg::Texture::CLAMP);
|
|
|
|
// Set texture wrap mode
|
|
texture->setWrap(osg::Texture2D::WRAP_S,smode);
|
|
texture->setWrap(osg::Texture2D::WRAP_T,tmode);
|
|
_currentVRMLImageTexture = texture;
|
|
_currentVRMLImageTexture->dirtyTextureObject();
|
|
}
|
|
////////////////////////////////////////////////////////////////////
|
|
osg::Texture2D* ConvertFromInventor::_getConvertedVRMLImageTexture()
|
|
{
|
|
if(_currentVRMLImageTexture.valid())
|
|
{
|
|
return _currentVRMLImageTexture.get();
|
|
}
|
|
return 0;
|
|
}
|