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Reuse the intersection visitor and set a traversal number to allow the terrain component to manage its view more efficiently

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This commit is contained in:
scrawl 2017-03-12 19:48:41 +01:00
parent db00d47ca2
commit 9371100fde
2 changed files with 22 additions and 7 deletions
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19
apps/openmw/mwrender/renderingmanager.cpp
View File

@ -730,18 +730,23 @@ namespace MWRender
}
osg::ref_ptr<osgUtil::IntersectionVisitor> createIntersectionVisitor(osgUtil::Intersector* intersector, bool ignorePlayer, bool ignoreActors)
osg::ref_ptr<osgUtil::IntersectionVisitor> RenderingManager::getIntersectionVisitor(osgUtil::Intersector *intersector, bool ignorePlayer, bool ignoreActors)
{
osg::ref_ptr<osgUtil::IntersectionVisitor> intersectionVisitor( new osgUtil::IntersectionVisitor(intersector));
int mask = intersectionVisitor->getTraversalMask();
if (!mIntersectionVisitor)
mIntersectionVisitor = new osgUtil::IntersectionVisitor;
mIntersectionVisitor->setTraversalNumber(mViewer->getFrameStamp()->getFrameNumber());
mIntersectionVisitor->setIntersector(intersector);
int mask = ~0;
mask &= ~(Mask_RenderToTexture|Mask_Sky|Mask_Debug|Mask_Effect|Mask_Water|Mask_SimpleWater);
if (ignorePlayer)
mask &= ~(Mask_Player);
if (ignoreActors)
mask &= ~(Mask_Actor|Mask_Player);
intersectionVisitor->setTraversalMask(mask);
return intersectionVisitor;
mIntersectionVisitor->setTraversalMask(mask);
return mIntersectionVisitor;
}
RenderingManager::RayResult RenderingManager::castRay(const osg::Vec3f& origin, const osg::Vec3f& dest, bool ignorePlayer, bool ignoreActors)
@ -750,7 +755,7 @@ namespace MWRender
origin, dest));
intersector->setIntersectionLimit(osgUtil::LineSegmentIntersector::LIMIT_NEAREST);
mRootNode->accept(*createIntersectionVisitor(intersector, ignorePlayer, ignoreActors));
mRootNode->accept(*getIntersectionVisitor(intersector, ignorePlayer, ignoreActors));
return getIntersectionResult(intersector);
}
@ -769,7 +774,7 @@ namespace MWRender
intersector->setEnd(end);
intersector->setIntersectionLimit(osgUtil::LineSegmentIntersector::LIMIT_NEAREST);
mViewer->getCamera()->accept(*createIntersectionVisitor(intersector, ignorePlayer, ignoreActors));
mViewer->getCamera()->accept(*getIntersectionVisitor(intersector, ignorePlayer, ignoreActors));
return getIntersectionResult(intersector);
}

10
apps/openmw/mwrender/renderingmanager.hpp
View File

@ -17,6 +17,12 @@ namespace osg
class PositionAttitudeTransform;
}
namespace osgUtil
{
class IntersectionVisitor;
class Intersector;
}
namespace Resource
{
class ResourceSystem;
@ -204,6 +210,10 @@ namespace MWRender
void reportStats() const;
osg::ref_ptr<osgUtil::IntersectionVisitor> getIntersectionVisitor(osgUtil::Intersector* intersector, bool ignorePlayer, bool ignoreActors);
osg::ref_ptr<osgUtil::IntersectionVisitor> mIntersectionVisitor;
osg::ref_ptr<osgViewer::Viewer> mViewer;
osg::ref_ptr<osg::Group> mRootNode;
osg::ref_ptr<osg::Group> mSceneRoot;