82 lines
2.8 KiB
C++
82 lines
2.8 KiB
C++
/*******************************************************
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Lightwave Object Loader for OSG
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Copyright (C) 2004 Marco Jez <marco.jez@poste.it>
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OpenSceneGraph is (C) 2004 Robert Osfield
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********************************************************/
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#include "VertexMap.h"
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#include <osg/Notify>
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using namespace lwosg;
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osg::Vec4Array *VertexMap::asVec4Array(int num_vertices, const osg::Vec4 &default_value, const osg::Vec4 &modulator) const
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{
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osg::ref_ptr<osg::Vec4Array> array = new osg::Vec4Array;
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array->assign(num_vertices, default_value);
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for (VertexMap::const_iterator i=begin(); i!=end(); ++i) {
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osg::Vec4 value = i->second;
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value.x() *= modulator.x();
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value.y() *= modulator.y();
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value.z() *= modulator.z();
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value.w() *= modulator.w();
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array->at(i->first) = value;
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}
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return array.release();
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}
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osg::Vec2Array *VertexMap::asVec2Array(int num_vertices, const osg::Vec2 &default_value, const osg::Vec2 &modulator) const
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{
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osg::ref_ptr<osg::Vec2Array> array = new osg::Vec2Array;
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array->assign(num_vertices, default_value);
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for (VertexMap::const_iterator i=begin(); i!=end(); ++i) {
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osg::Vec4 value = i->second;
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value.x() *= modulator.x();
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value.y() *= modulator.y();
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array->at(i->first) = osg::Vec2(value.x(), value.y());
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}
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return array.release();
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}
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osg::Vec3Array *VertexMap::asVec3Array(int num_vertices, const osg::Vec3 &default_value, const osg::Vec3 &modulator) const
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{
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osg::ref_ptr<osg::Vec3Array> array = new osg::Vec3Array;
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array->assign(num_vertices, default_value);
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for (VertexMap::const_iterator i=begin(); i!=end(); ++i) {
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osg::Vec4 value = i->second;
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value.x() *= modulator.x();
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value.y() *= modulator.y();
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value.z() *= modulator.z();
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array->at(i->first) = osg::Vec3(value.x(), value.y(), value.z());
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}
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return array.release();
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}
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VertexMap *VertexMap::remap(const std::vector<int> &remapping) const
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{
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osg::ref_ptr<VertexMap> result = new VertexMap;
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for (VertexMap::const_iterator i=begin(); i!=end(); ++i) {
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if (i->first >= static_cast<int>(remapping.size())) {
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osg::notify(osg::WARN) << "Warning: lwosg::remap(): remapping index not found for vertex " << i->first << " (map size " << remapping.size() << ")" << std::endl;
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} else {
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int new_index = remapping[i->first];
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if (new_index != -1) {
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(*result.get())[new_index] = i->second;
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}
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}
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}
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return result.release();
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}
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VertexMap_map *VertexMap_map::remap(const std::vector<int> &remapping) const
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{
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osg::ref_ptr<VertexMap_map> result = new VertexMap_map;
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for (VertexMap_map::const_iterator i=begin(); i!=end(); ++i) {
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(*result.get())[i->first] = i->second->remap(remapping);
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}
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return result.release();
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}
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