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WS30: Apply correct technique to top-leve tile.

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This commit is contained in:
Stuart Buchanan 2021-02-09 11:20:53 +00:00
parent fd0e7ac2d8
commit bf62554da9
1 changed files with 17 additions and 9 deletions
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24
simgear/scene/model/ModelRegistry.cxx
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@ -993,26 +993,34 @@ struct OSGOptimizePolicy : public OptimizeModelPolicy {
CleanTechniqueVisitor ctv;
optimized->accept(ctv);
SGSceneFeatures* features = SGSceneFeatures::instance();
// Adjust the LOD ranges as required.
double rangeFactor = SGSceneFeatures::instance()->getVPBRangeFactor();
double maxRange = SGSceneFeatures::instance()->getVPBMaxRange();
double rangeFactor = features->getVPBRangeFactor();
double maxRange = features->getVPBMaxRange();
AdjustLODVisitor alv = AdjustLODVisitor(rangeFactor, maxRange);
optimized->accept(alv);
osg::ref_ptr<osgTerrain::Terrain> terrain = findTopMostNodeOfType<osgTerrain::Terrain>(optimized.get());
osg::ref_ptr<osgTerrain::TerrainTile> terrainTile = findTopMostNodeOfType<osgTerrain::TerrainTile>(optimized.get());
if (terrain != NULL) {
// Top level
terrain->setSampleRatio(1.0);
terrain->setVerticalScale(1.0);
// Top level. This is likely to have the default GeometryTechnique already assigned which we need to replace with our own
terrain->setSampleRatio(features->getVPBSampleRatio());
terrain->setVerticalScale(features->getVPBVerticalScale());
terrain->setTerrainTechniquePrototype(new VPBTechnique(sgopt));
if (terrainTile != NULL) {
terrainTile->setTerrainTechnique(new VPBTechnique(sgopt));
terrainTile->setDirty(true);
} else {
SG_LOG(SG_TERRAIN, SG_ALERT, "VPB TerrainTile not found");
}
} else {
// no Terrain node present insert one above the loaded model.
terrain = new osgTerrain::Terrain;
terrain->setSampleRatio(1.0);
terrain->setVerticalScale(1.0);
terrain->setSampleRatio(features->getVPBSampleRatio());
terrain->setVerticalScale(features->getVPBVerticalScale());
terrain->setTerrainTechniquePrototype(new VPBTechnique(sgopt));
//SG_LOG(SG_TERRAIN, SG_ALERT, "Creating Terrain Node for " << fileName);
// if CoordinateSystemNode is present copy it's contents into the Terrain, and discard it.
osg::CoordinateSystemNode* csn = findTopMostNodeOfType<osg::CoordinateSystemNode>(optimized.get());