Esempio n. 1
0
void LLSpatialBridge::updateSpatialExtents()
{
	LLSpatialGroup* root = (LLSpatialGroup*) mOctree->getListener(0);
	
	{
		LLFastTimer ftm(LLFastTimer::FTM_CULL_REBOUND);
		root->rebound();
	}
	
	LLXformMatrix* mat = mDrawable->getXform();
	
	LLVector3 offset = root->mBounds[0];
	LLVector3 size = root->mBounds[1];
		
	LLVector3 center = LLVector3(0,0,0) * mat->getWorldMatrix();
	LLQuaternion rotation = LLQuaternion(mat->getWorldMatrix());
	
	offset *= rotation;
	center += offset;
	
	LLVector3 v[4];
	//get 4 corners of bounding box
	v[0] = (size * rotation);
	v[1] = (LLVector3(-size.mV[0], -size.mV[1], size.mV[2]) * rotation);
	v[2] = (LLVector3(size.mV[0], -size.mV[1], -size.mV[2]) * rotation);
	v[3] = (LLVector3(-size.mV[0], size.mV[1], -size.mV[2]) * rotation);

	LLVector3& newMin = mExtents[0];
	LLVector3& newMax = mExtents[1];
	
	newMin = newMax = center;
	
	for (U32 i = 0; i < 4; i++)
	{
		for (U32 j = 0; j < 3; j++)
		{
			F32 delta = fabsf(v[i].mV[j]);
			F32 min = center.mV[j] - delta;
			F32 max = center.mV[j] + delta;
			
			if (min < newMin.mV[j])
			{
				newMin.mV[j] = min;
			}
			
			if (max > newMax.mV[j])
			{
				newMax.mV[j] = max;
			}
		}
	}

	LLVector3 diagonal = newMax - newMin;
	mRadius = diagonal.magVec() * 0.5f;
	
	mPositionGroup.setVec((newMin + newMax) * 0.5f);
	updateBinRadius();
}
void LLSpatialBridge::setVisible(LLCamera& camera_in, std::vector<LLDrawable*>* results, BOOL for_select)
{
	if (!gPipeline.hasRenderType(mDrawableType))
	{
		return;
	}


	//HACK don't draw attachments for avatars that haven't been visible in more than a frame
	LLViewerObject *vobj = mDrawable->getVObj();
	if (vobj && vobj->isAttachment() && !vobj->isHUDAttachment())
	{
		LLDrawable* av;
		LLDrawable* parent = mDrawable->getParent();

		if (parent)
		{
			LLViewerObject* objparent = parent->getVObj();
			av = objparent->mDrawable;
			LLSpatialGroup* group = av->getSpatialGroup();

			BOOL impostor = FALSE;
			BOOL loaded = FALSE;
			if (objparent->isAvatar())
			{
				LLVOAvatar* avatarp = (LLVOAvatar*) objparent;
				if (avatarp->isVisible())
				{
					impostor = objparent->isAvatar() && ((LLVOAvatar*) objparent)->isImpostor();
					loaded   = objparent->isAvatar() && ((LLVOAvatar*) objparent)->isFullyLoaded();
				}
				else
				{
					return;
				}
			}

			if (!group ||
				LLDrawable::getCurrentFrame() - av->mVisible > 1 ||
				impostor ||
				!loaded)
			{
				return;
			}
		}
	}
	

	LLSpatialGroup* group = (LLSpatialGroup*) mOctree->getListener(0);
	group->rebound();
	
	LLVector4a center;
	center.setAdd(mExtents[0], mExtents[1]);
	center.mul(0.5f);
	LLVector4a size;
	size.setSub(mExtents[1], mExtents[0]);
	size.mul(0.5f);

	if ((LLPipeline::sShadowRender && camera_in.AABBInFrustum(center, size)) ||
		LLPipeline::sImpostorRender ||
		(camera_in.AABBInFrustumNoFarClip(center, size) && 
		AABBSphereIntersect(mExtents[0], mExtents[1], camera_in.getOrigin(), camera_in.mFrustumCornerDist)))
	{
		if (!LLPipeline::sImpostorRender &&
			!LLPipeline::sShadowRender && 
			LLPipeline::calcPixelArea(center, size, camera_in) < FORCE_INVISIBLE_AREA)
		{
			return;
		}

		LLDrawable::setVisible(camera_in);
		
		if (for_select)
		{
			results->push_back(mDrawable);
			if (mDrawable->getVObj())
			{
				LLViewerObject::const_child_list_t& child_list = mDrawable->getVObj()->getChildren();
				for (LLViewerObject::child_list_t::const_iterator iter = child_list.begin();
					 iter != child_list.end(); iter++)
				{
					LLViewerObject* child = *iter;
					LLDrawable* drawable = child->mDrawable;					
					results->push_back(drawable);
				}
			}
		}
		else 
		{
			LLCamera trans_camera = transformCamera(camera_in);
			LLOctreeMarkNotCulled culler(&trans_camera);
			culler.traverse(mOctree);
		}		
	}
}
void LLSpatialBridge::updateSpatialExtents()
{
	LLSpatialGroup* root = (LLSpatialGroup*) mOctree->getListener(0);
	
	{
		LLFastTimer ftm(FTM_CULL_REBOUND);
		root->rebound();
	}
	
	LLVector4a offset;
	LLVector4a size = root->mBounds[1];
		
	//VECTORIZE THIS
	LLMatrix4a mat;
	mat.loadu(mDrawable->getXform()->getWorldMatrix());

	LLVector4a t;
	t.splat(0.f);

	LLVector4a center;
	mat.affineTransform(t, center);
	
	mat.rotate(root->mBounds[0], offset);
	center.add(offset);
	
	LLVector4a v[4];

	//get 4 corners of bounding box
	mat.rotate(size,v[0]);

	LLVector4a scale;
	
	scale.set(-1.f, -1.f, 1.f);
	scale.mul(size);
	mat.rotate(scale, v[1]);
	
	scale.set(1.f, -1.f, -1.f);
	scale.mul(size);
	mat.rotate(scale, v[2]);
	
	scale.set(-1.f, 1.f, -1.f);
	scale.mul(size);
	mat.rotate(scale, v[3]);

	
	LLVector4a& newMin = mExtents[0];
	LLVector4a& newMax = mExtents[1];
	
	newMin = newMax = center;
	
	for (U32 i = 0; i < 4; i++)
	{
		LLVector4a delta;
		delta.setAbs(v[i]);
		LLVector4a min;
		min.setSub(center, delta);
		LLVector4a max;
		max.setAdd(center, delta);

		newMin.setMin(newMin, min);
		newMax.setMax(newMax, max);
	}
	
	LLVector4a diagonal;
	diagonal.setSub(newMax, newMin);
	mRadius = diagonal.getLength3().getF32() * 0.5f;
	
	mPositionGroup.setAdd(newMin,newMax);
	mPositionGroup.mul(0.5f);
	updateBinRadius();
}