void LLDrawable::updateDistance(LLCamera& camera, bool force_update)
{
if (LLViewerCamera::sCurCameraID != LLViewerCamera::CAMERA_WORLD)
{
llwarns << "Attempted to update distance for non-world camera." << llendl;
return;
}
//switch LOD with the spatial group to avoid artifacts
//LLSpatialGroup* sg = getSpatialGroup();
LLVector3 pos;
//if (!sg || sg->changeLOD())
{
LLVOVolume* volume = getVOVolume();
if (volume)
{
if (getSpatialGroup())
{
pos.set(getPositionGroup().getF32ptr());
}
else
{
pos = getPositionAgent();
}
if (isState(LLDrawable::HAS_ALPHA))
{
for (S32 i = 0; i < getNumFaces(); i++)
{
LLFace* facep = getFace(i);
if (force_update || facep->getPoolType() == LLDrawPool::POOL_ALPHA)
{
LLVector4a box;
box.setSub(facep->mExtents[1], facep->mExtents[0]);
box.mul(0.25f);
LLVector3 v = (facep->mCenterLocal-camera.getOrigin());
const LLVector3& at = camera.getAtAxis();
for (U32 j = 0; j < 3; j++)
{
v.mV[j] -= box[j] * at.mV[j];
}
facep->mDistance = v * camera.getAtAxis();
}
}
}
}
else
{
pos = LLVector3(getPositionGroup().getF32ptr());
}
pos -= camera.getOrigin();
mDistanceWRTCamera = llround(pos.magVec(), 0.01f);
mVObjp->updateLOD();
}
}
void LLDrawable::updateDistance(LLCamera& camera, bool force_update)
{
//switch LOD with the spatial group to avoid artifacts
//LLSpatialGroup* sg = getSpatialGroup();
LLVector3 pos;
//if (!sg || sg->changeLOD())
{
LLVOVolume* volume = getVOVolume();
if (volume)
{
volume->updateRelativeXform();
pos = volume->getRelativeXform().getTranslation();
if (isStatic())
{
pos += volume->getRegion()->getOriginAgent();
}
if (isState(LLDrawable::HAS_ALPHA))
{
for (S32 i = 0; i < getNumFaces(); i++)
{
LLFace* facep = getFace(i);
if (facep->getPoolType() == LLDrawPool::POOL_ALPHA)
{
LLVector3 box = (facep->mExtents[1] - facep->mExtents[0]) * 0.25f;
LLVector3 v = (facep->mCenterLocal-camera.getOrigin());
const LLVector3& at = camera.getAtAxis();
for (U32 j = 0; j < 3; j++)
{
v.mV[j] -= box.mV[j] * at.mV[j];
}
facep->mDistance = v * camera.getAtAxis();
}
}
}
}
else
{
pos = LLVector3(getPositionGroup());
}
pos -= camera.getOrigin();
mDistanceWRTCamera = llround(pos.magVec(), 0.01f);
mVObjp->updateLOD();
}
}
