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Merge pull request #1717 from akortunov/default_terrain

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Render default land texture for Wilderness cells with distant terrain
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Bret Curtis 2018-05-22 13:21:48 +02:00 committed by GitHub
commit b4098b24b7
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1 changed files with 12 additions and 25 deletions
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37
components/terrain/quadtreeworld.cpp
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@ -189,35 +189,22 @@ public:
node->setViewDataMap(mViewDataMap); node->setViewDataMap(mViewDataMap);
parent->addChild(node); parent->addChild(node);
if (center.x() - size > mMaxX if (node->getSize() > mMinSize)
|| center.x() + size < mMinX
|| center.y() - size > mMaxY
|| center.y() + size < mMinY )
// Out of bounds of the actual terrain - this will happen because
// we rounded the size up to the next power of two
{
// Still create and return an empty node so as to not break the assumption that each QuadTreeNode has either 4 or 0 children.
return node;
}
if (node->getSize() <= mMinSize)
{
// We arrived at a leaf
float minZ,maxZ;
if (mStorage->getMinMaxHeights(size, center, minZ, maxZ))
{
float cellWorldSize = mStorage->getCellWorldSize();
osg::BoundingBox boundingBox(osg::Vec3f((center.x()-size)*cellWorldSize, (center.y()-size)*cellWorldSize, minZ),
osg::Vec3f((center.x()+size)*cellWorldSize, (center.y()+size)*cellWorldSize, maxZ));
node->setBoundingBox(boundingBox);
}
return node;
}
else
{ {
addChildren(node); addChildren(node);
return node; return node;
} }
// We arrived at a leaf
float minZ, maxZ;
mStorage->getMinMaxHeights(size, center, minZ, maxZ);
float cellWorldSize = mStorage->getCellWorldSize();
osg::BoundingBox boundingBox(osg::Vec3f((center.x()-size)*cellWorldSize, (center.y()-size)*cellWorldSize, minZ),
osg::Vec3f((center.x()+size)*cellWorldSize, (center.y()+size)*cellWorldSize, maxZ));
node->setBoundingBox(boundingBox);
return node;
} }
osg::ref_ptr<RootNode> getRootNode() osg::ref_ptr<RootNode> getRootNode()