1 files changed, 57 insertions, 1 deletions

diff --git a/indra/newview/llselectmgr.cpp b/indra/newview/llselectmgr.cpp
index 69c577f445..ad86995b42 100755
--- a/indra/newview/llselectmgr.cpp
+++ b/indra/newview/llselectmgr.cpp
@@ -620,10 +620,41 @@ bool LLSelectMgr::linkObjects()
 
 bool LLSelectMgr::unlinkObjects()
 {
+	LLViewerObject *object = mSelectedObjects->getFirstRootObject();
+	if (!object) return false;
+
+	S32 min_objects_for_confirm = gSavedSettings.getS32("MinObjectsForUnlinkConfirm");
+	for (LLObjectSelection::root_iterator iter = getSelection()->root_begin();  iter != getSelection()->root_end(); iter++)
+	{
+		object = (*iter)->getObject();
+		if(object)
+		{
+			S32 objects_in_linkset = object->numChildren() + 1;
+			if(objects_in_linkset >= min_objects_for_confirm)
+			{
+				LLNotificationsUtil::add("ConfirmUnlink", LLSD(), LLSD(), boost::bind(&LLSelectMgr::confirmUnlinkObjects, this, _1, _2));
+				return true;
+			}
+		}
+	}
+
 	LLSelectMgr::getInstance()->sendDelink();
 	return true;
 }
 
+void LLSelectMgr::confirmUnlinkObjects(const LLSD& notification, const LLSD& response)
+{
+	S32 option = LLNotificationsUtil::getSelectedOption(notification, response);
+	// if Cancel pressed
+	if (option == 1)
+	{
+		return;
+	}
+
+	LLSelectMgr::getInstance()->sendDelink();
+	return;
+}
+
 // in order to link, all objects must have the same owner, and the
 // agent must have the ability to modify all of the objects. However,
 // we're not answering that question with this method. The question
@@ -2104,7 +2135,7 @@ void LLSelectMgr::selectionRemoveMaterial()
 			{
 			        LL_DEBUGS("Materials") << "Removing material from object " << object->getID() << " face " << face << LL_ENDL;
 				LLMaterialMgr::getInstance()->remove(object->getID(),face);
-				object->setTEMaterialParams(face, NULL);
+				object->setTEMaterialParams(face, NULL, FALSE);
 			}
 			return true;
 		}
@@ -4927,6 +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;
 
@@ -4934,6 +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
 	{
@@ -5042,6 +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
@@ -5070,6 +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. 
 		}