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SH-2564. Testing region visibility driven by spatial partitions.

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Shyotl
2011-10-21 15:26:27 -05:00
parent 53f5957b92
commit 408f5a4a51
1 changed files with 26 additions and 23 deletions
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49
indra/newview/llworld.cpp
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@@ -597,25 +597,25 @@ void LLWorld::updateVisibilities()
{
F32 cur_far_clip = LLViewerCamera::getInstance()->getFar();
LLViewerCamera::getInstance()->setFar(mLandFarClip);
F32 diagonal_squared = F_SQRT2 * F_SQRT2 * mWidth * mWidth;
// Go through the culled list and check for visible regions
for (region_list_t::iterator iter = mCulledRegionList.begin();
iter != mCulledRegionList.end(); )
iter != mCulledRegionList.end(); )
{
region_list_t::iterator curiter = iter++;
LLViewerRegion* regionp = *curiter;
F32 height = regionp->getLand().getMaxZ() - regionp->getLand().getMinZ();
F32 radius = 0.5f*(F32) sqrt(height * height + diagonal_squared);
if (!regionp->getLand().hasZData()
|| LLViewerCamera::getInstance()->sphereInFrustum(regionp->getCenterAgent(), radius))
LLSpatialPartition* part = regionp->getSpatialPartition(LLViewerRegion::PARTITION_TERRAIN);
if (part)
{
mCulledRegionList.erase(curiter);
mVisibleRegionList.push_back(regionp);
LLSpatialGroup* group = (LLSpatialGroup*) part->mOctree->getListener(0);
if (LLViewerCamera::getInstance()->AABBInFrustum(group->mBounds[0], group->mBounds[1]))
{
mCulledRegionList.erase(curiter);
mVisibleRegionList.push_back(regionp);
}
}
}
}
// Update all of the visible regions
for (region_list_t::iterator iter = mVisibleRegionList.begin();
iter != mVisibleRegionList.end(); )
@@ -627,20 +627,23 @@ void LLWorld::updateVisibilities()
continue;
}
F32 height = regionp->getLand().getMaxZ() - regionp->getLand().getMinZ();
F32 radius = 0.5f*(F32) sqrt(height * height + diagonal_squared);
if (LLViewerCamera::getInstance()->sphereInFrustum(regionp->getCenterAgent(), radius))
LLSpatialPartition* part = regionp->getSpatialPartition(LLViewerRegion::PARTITION_TERRAIN);
if (part)
{
regionp->calculateCameraDistance();
if (!gNoRender)
LLSpatialGroup* group = (LLSpatialGroup*) part->mOctree->getListener(0);
if (LLViewerCamera::getInstance()->AABBInFrustum(group->mBounds[0], group->mBounds[1]))
{
regionp->getLand().updatePatchVisibilities(gAgent);
regionp->calculateCameraDistance();
if (!gNoRender)
{
regionp->getLand().updatePatchVisibilities(gAgent);
}
}
else
{
mVisibleRegionList.erase(curiter);
mCulledRegionList.push_back(regionp);
}
}
else
{
mVisibleRegionList.erase(curiter);
mCulledRegionList.push_back(regionp);
}
}