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Don't use terrain LOD for the map camera

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This commit is contained in:
scrawl 2017-03-09 20:30:38 +01:00
parent e7a0878c10
commit 28fd492711
2 changed files with 18 additions and 5 deletions
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1
apps/openmw/mwrender/localmap.cpp
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@ -160,6 +160,7 @@ void LocalMap::saveFogOfWar(MWWorld::CellStore* cell)
osg::ref_ptr<osg::Camera> LocalMap::createOrthographicCamera(float x, float y, float width, float height, const osg::Vec3d& upVector, float zmin, float zmax)
{
osg::ref_ptr<osg::Camera> camera (new osg::Camera);
camera->getOrCreateUserDataContainer()->addDescription("NoTerrainLod");
camera->setProjectionMatrixAsOrtho(-width/2, width/2, -height/2, height/2, 5, (zmax-zmin) + 10);
camera->setComputeNearFarMode(osg::Camera::DO_NOT_COMPUTE_NEAR_FAR);

22
components/terrain/quadtreeworld.cpp
View file

@ -133,6 +133,7 @@ public:
mRootNode = new RootNode(size, osg::Vec2f(centerX, centerY));
mRootNode->setViewDataMap(mViewDataMap);
mRootNode->setLodCallback(new DefaultLodCallback);
addChildren(mRootNode);
mRootNode->initNeighbours();
@ -238,7 +239,7 @@ QuadTreeWorld::~QuadTreeWorld()
}
void traverse(QuadTreeNode* node, ViewData* vd, osg::NodeVisitor* nv, const osg::Vec3f& eyePoint, bool visible)
void traverse(QuadTreeNode* node, ViewData* vd, osg::NodeVisitor* nv, LodCallback* lodCallback, const osg::Vec3f& eyePoint, bool visible, bool traverseNonVisible)
{
if (!node->hasValidBounds())
return;
@ -246,14 +247,17 @@ void traverse(QuadTreeNode* node, ViewData* vd, osg::NodeVisitor* nv, const osg:
if (nv && nv->getVisitorType() == osg::NodeVisitor::CULL_VISITOR)
visible = visible && !static_cast<osgUtil::CullVisitor*>(nv)->isCulled(node->getBoundingBox());
bool stopTraversal = (node->getLodCallback() && node->getLodCallback()->isSufficientDetail(node, eyePoint)) || !node->getNumChildren();
if (!visible && !traverseNonVisible)
return;
bool stopTraversal = (lodCallback && lodCallback->isSufficientDetail(node, eyePoint)) || !node->getNumChildren();
if (stopTraversal)
vd->add(node, visible);
else
{
for (unsigned int i=0; i<node->getNumChildren(); ++i)
traverse(node->getChild(i), vd, nv, eyePoint, visible);
traverse(node->getChild(i), vd, nv, lodCallback, eyePoint, visible, traverseNonVisible);
}
}
@ -315,7 +319,15 @@ void QuadTreeWorld::accept(osg::NodeVisitor &nv)
if (nv.getVisitorType() == osg::NodeVisitor::CULL_VISITOR)
{
osgUtil::CullVisitor* cv = static_cast<osgUtil::CullVisitor*>(&nv);
traverse(mRootNode.get(), vd, cv, cv->getEyePoint(), true);
LodCallback* lodCallback = mRootNode->getLodCallback();
if (osg::UserDataContainer* udc = cv->getCurrentCamera()->getUserDataContainer())
{
if (udc->getNumDescriptions() && udc->getDescriptions()[0] == "NoTerrainLod")
lodCallback = NULL;
}
traverse(mRootNode.get(), vd, cv, lodCallback, cv->getEyePoint(), true, lodCallback != NULL);
}
else
mRootNode->traverse(nv);
@ -389,7 +401,7 @@ void QuadTreeWorld::preload(View *view, const osg::Vec3f &eyePoint)
ensureQuadTreeBuilt();
ViewData* vd = static_cast<ViewData*>(view);
traverse(mRootNode.get(), vd, NULL, eyePoint, false);
traverse(mRootNode.get(), vd, NULL, mRootNode->getLodCallback(), eyePoint, false, true);
for (unsigned int i=0; i<vd->getNumEntries(); ++i)
{