1 files changed, 35 insertions, 2 deletions

diff --git a/indra/newview/llselectmgr.cpp b/indra/newview/llselectmgr.cpp
index 4fafbf917b..7620046ee3 100755
--- a/indra/newview/llselectmgr.cpp
+++ b/indra/newview/llselectmgr.cpp
@@ -1210,7 +1210,7 @@ void LLSelectMgr::setGridMode(EGridMode mode)
 	updateSelectionCenter();
 }
 
-void LLSelectMgr::getGrid(LLVector3& origin, LLQuaternion &rotation, LLVector3 &scale)
+void LLSelectMgr::getGrid(LLVector3& origin, LLQuaternion &rotation, LLVector3 &scale, bool for_snap_guides)
 {
 	mGridObjects.cleanupNodes();
 	
@@ -1235,7 +1235,15 @@ void LLSelectMgr::getGrid(LLVector3& origin, LLQuaternion &rotation, LLVector3 &
 	}
 	else if (mGridMode == GRID_MODE_REF_OBJECT && first_grid_object && first_grid_object->mDrawable.notNull())
 	{
-		mGridRotation = first_grid_object->getRenderRotation();
+		LLSelectNode *node = mSelectedObjects->findNode(first_grid_object);
+		if (!for_snap_guides && node)
+		{
+			mGridRotation = node->mSavedRotation;
+		}
+		else
+		{
+			mGridRotation = first_grid_object->getRenderRotation();
+		}
 
 		LLVector4a min_extents(F32_MAX);
 		LLVector4a max_extents(-F32_MAX);
@@ -4950,6 +4958,7 @@ void LLSelectMgr::sendListToRegions(const std::string& message_name,
 									ESendType send_type)
 {
 	LLSelectNode* node;
+	LLSelectNode* linkset_root = NULL;
 	LLViewerRegion*	last_region;
 	LLViewerRegion*	current_region;
 
@@ -4957,6 +4966,8 @@ void LLSelectMgr::sendListToRegions(const std::string& message_name,
 	S32 packets_sent = 0;
 	S32 objects_in_this_packet = 0;
 
+	bool link_operation = message_name == "ObjectLink";
+
 	//clear update override data (allow next update through)
 	struct f : public LLSelectedNodeFunctor
 	{
@@ -5065,6 +5076,12 @@ void LLSelectMgr::sendListToRegions(const std::string& message_name,
 			&& (! gMessageSystem->isSendFull(NULL))
 			&& (objects_in_this_packet < MAX_OBJECTS_PER_PACKET))
 		{
+			if (link_operation && linkset_root == NULL)
+			{
+				// linksets over 254 will be split into multiple messages,
+				// but we need to provide same root for all messages or we will get separate linksets
+				linkset_root = node;
+			}
 			// add another instance of the body of the data
 			(*pack_body)(node, user_data);
             // do any related logging
@@ -5093,6 +5110,22 @@ void LLSelectMgr::sendListToRegions(const std::string& message_name,
 			gMessageSystem->newMessage(message_name.c_str());
 			(*pack_header)(user_data);
 
+			if (linkset_root != NULL)
+			{
+				if (current_region != last_region)
+				{
+					// root should be in one region with the child, reset it
+					linkset_root = NULL;
+				}
+				else
+				{
+					// add root instance into new message
+					(*pack_body)(linkset_root, user_data);
+					++objects_sent;
+					++objects_in_this_packet;
+				}
+			}
+
 			// don't move to the next object, we still need to add the
 			// body data. 
 		}