1 files changed, 43 insertions, 16 deletions

diff --git a/indra/newview/llworld.cpp b/indra/newview/llworld.cpp
index 399442e5c4..8f50041474 100644
--- a/indra/newview/llworld.cpp
+++ b/indra/newview/llworld.cpp
@@ -98,11 +98,6 @@ LLWorld::LLWorld() :
 		mEdgeWaterObjects[i] = NULL;
 	}
 
-	if (gNoRender)
-	{
-		return;
-	}
-
 	LLPointer<LLImageRaw> raw = new LLImageRaw(1,1,4);
 	U8 *default_texture = raw->getData();
 	*(default_texture++) = MAX_WATER_COLOR.mV[0];
@@ -281,6 +276,10 @@ void LLWorld::removeRegion(const LLHost &host)
 	delete regionp;
 
 	updateWaterObjects();
+
+	//double check all objects of this region are removed.
+	gObjectList.clearAllMapObjectsInRegion(regionp) ;
+	//llassert_always(!gObjectList.hasMapObjectInRegion(regionp)) ;
 }
 
 
@@ -622,10 +621,7 @@ void LLWorld::updateVisibilities()
 		if (LLViewerCamera::getInstance()->sphereInFrustum(regionp->getCenterAgent(), radius))
 		{
 			regionp->calculateCameraDistance();
-			if (!gNoRender)
-			{
-				regionp->getLand().updatePatchVisibilities(gAgent);
-			}
+			regionp->getLand().updatePatchVisibilities(gAgent);
 		}
 		else
 		{
@@ -1442,6 +1438,8 @@ static LLVector3d unpackLocalToGlobalPosition(U32 compact_local, const LLVector3
 
 void LLWorld::getAvatars(uuid_vec_t* avatar_ids, std::vector<LLVector3d>* positions, const LLVector3d& relative_to, F32 radius) const
 {
+	F32 radius_squared = radius * radius;
+	
 	if(avatar_ids != NULL)
 	{
 		avatar_ids->clear();
@@ -1450,6 +1448,33 @@ void LLWorld::getAvatars(uuid_vec_t* avatar_ids, std::vector<LLVector3d>* positi
 	{
 		positions->clear();
 	}
+	// get the list of avatars from the character list first, so distances are correct
+	// when agent is above 1020m and other avatars are nearby
+	for (std::vector<LLCharacter*>::iterator iter = LLCharacter::sInstances.begin();
+		iter != LLCharacter::sInstances.end(); ++iter)
+	{
+		LLVOAvatar* pVOAvatar = (LLVOAvatar*) *iter;
+		if(!pVOAvatar->isDead() && !pVOAvatar->isSelf())
+		{
+			LLUUID uuid = pVOAvatar->getID();
+			if(!uuid.isNull())
+			{
+				LLVector3d pos_global = pVOAvatar->getPositionGlobal();
+				if(dist_vec_squared(pos_global, relative_to) <= radius_squared)
+				{
+					if(positions != NULL)
+					{
+						positions->push_back(pos_global);
+					}
+					if(avatar_ids !=NULL)
+					{
+						avatar_ids->push_back(uuid);
+					}
+				}
+			}
+		}
+	}
+	// region avatars added for situations where radius is greater than RenderFarClip
 	for (LLWorld::region_list_t::const_iterator iter = LLWorld::getInstance()->getRegionList().begin();
 		iter != LLWorld::getInstance()->getRegionList().end(); ++iter)
 	{
@@ -1459,15 +1484,17 @@ void LLWorld::getAvatars(uuid_vec_t* avatar_ids, std::vector<LLVector3d>* positi
 		for (S32 i = 0; i < count; i++)
 		{
 			LLVector3d pos_global = unpackLocalToGlobalPosition(regionp->mMapAvatars.get(i), origin_global);
-			if(dist_vec(pos_global, relative_to) <= radius)
+			if(dist_vec_squared(pos_global, relative_to) <= radius_squared)
 			{
-				if(positions != NULL)
-				{
-					positions->push_back(pos_global);
-				}
-				if(avatar_ids != NULL)
+				LLUUID uuid = regionp->mMapAvatarIDs.get(i);
+				// if this avatar doesn't already exist in the list, add it
+				if(uuid.notNull() && avatar_ids!=NULL && std::find(avatar_ids->begin(), avatar_ids->end(), uuid) == avatar_ids->end())
 				{
-					avatar_ids->push_back(regionp->mMapAvatarIDs.get(i));
+					if(positions != NULL)
+					{
+						positions->push_back(pos_global);
+					}
+					avatar_ids->push_back(uuid);
 				}
 			}
 		}