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Handle NiLODNode using osg::LOD (Fixes #3008)

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This commit is contained in:
scrawl 2015-11-12 19:52:36 +01:00
parent 626281977e
commit 0965a9059d
1 changed files with 24 additions and 0 deletions
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24
components/nifosg/nifloader.cpp
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@ -6,6 +6,7 @@
#include <osg/Geometry>
#include <osg/Array>
#include <osg/Version>
#include <osg/LOD>
// resource
#include <components/misc/stringops.hpp>
@ -424,6 +425,20 @@ namespace NifOsg
// Need to make sure that won't break transparency sorting. Check what the original engine is doing?
}
osg::ref_ptr<osg::LOD> handleLodNode(const Nif::NiLODNode* niLodNode)
{
osg::ref_ptr<osg::LOD> lod (new osg::LOD);
lod->setCenterMode(osg::LOD::USER_DEFINED_CENTER);
lod->setCenter(niLodNode->lodCenter);
for (unsigned int i=0; i<niLodNode->lodLevels.size(); ++i)
{
const Nif::NiLODNode::LODRange& range = niLodNode->lodLevels[i];
lod->setRange(i, range.minRange, range.maxRange);
}
lod->setRangeMode(osg::LOD::DISTANCE_FROM_EYE_POINT);
return lod;
}
osg::ref_ptr<osg::Node> handleNode(const Nif::Node* nifNode, osg::Group* parentNode, Resource::TextureManager* textureManager,
std::vector<int> boundTextures, int animflags, int particleflags, bool skipMeshes, TextKeyMap* textKeys, osg::Node* rootNode=NULL)
{
@ -555,6 +570,15 @@ namespace NifOsg
// Optimization pass
optimize(nifNode, node, skipMeshes);
if (nifNode->recType == Nif::RC_NiLODNode)
{
const Nif::NiLODNode* niLodNode = static_cast<const Nif::NiLODNode*>(nifNode);
osg::ref_ptr<osg::LOD> lod = handleLodNode(niLodNode);
node->addChild(lod); // unsure if LOD should be above or below this node's transform
node = lod;
}
const Nif::NiNode *ninode = dynamic_cast<const Nif::NiNode*>(nifNode);
if(ninode)
{