Merged in lindenlab/viewer-bear

17 files changed, 177 insertions, 59 deletions

diff --git a/indra/llmessage/llxfer.cpp b/indra/llmessage/llxfer.cpp
index 4aba5cae72..e0590dfdff 100644
--- a/indra/llmessage/llxfer.cpp
+++ b/indra/llmessage/llxfer.cpp
@@ -294,7 +294,7 @@ S32 LLXfer::processEOF()
 	}
 	else
 	{
-		LL_INFOS() << "xfer from " << mRemoteHost << " failed, code "
+		LL_INFOS() << "xfer from " << mRemoteHost << " failed or aborted, code "
 				<< mCallbackResult << ": " << getFileName() << LL_ENDL;
 	}
 
diff --git a/indra/llmessage/llxfermanager.cpp b/indra/llmessage/llxfermanager.cpp
index 0232a6e802..2ceb64ce8f 100644
--- a/indra/llmessage/llxfermanager.cpp
+++ b/indra/llmessage/llxfermanager.cpp
@@ -401,7 +401,7 @@ U64 LLXferManager::registerXfer(const void *datap, const S32 length)
 
 ///////////////////////////////////////////////////////////
 
-void LLXferManager::requestFile(const std::string& local_filename,
+U64 LLXferManager::requestFile(const std::string& local_filename,
 								const std::string& remote_filename,
 								ELLPath remote_path,
 								const LLHost& remote_host,
@@ -424,10 +424,12 @@ void LLXferManager::requestFile(const std::string& local_filename,
 
 		{
 			// cout << "requested a xfer already in progress" << endl;
-			return;
+			return xferp->mID;
 		}
 	}
 
+	U64 xfer_id = 0;
+
 	S32 chunk_size = use_big_packets ? LL_XFER_LARGE_PAYLOAD : -1;
 	xferp = (LLXfer *) new LLXfer_File(chunk_size);
 	if (xferp)
@@ -438,13 +440,15 @@ void LLXferManager::requestFile(const std::string& local_filename,
 		// around.
 		// Note: according to AaronB, this is here to deal with locks on files that were
 		// in transit during a crash,
-		if(delete_remote_on_completion &&
-		   (remote_filename.substr(remote_filename.length()-4) == ".tmp"))
+		if( delete_remote_on_completion
+			&& (remote_filename.substr(remote_filename.length()-4) == ".tmp")
+			&& gDirUtilp->fileExists(local_filename))
 		{
 			LLFile::remove(local_filename, ENOENT);
 		}
+		xfer_id = getNextID();
 		((LLXfer_File *)xferp)->initializeRequest(
-			getNextID(),
+			xfer_id,
 			local_filename,
 			remote_filename,
 			remote_path,
@@ -457,6 +461,7 @@ void LLXferManager::requestFile(const std::string& local_filename,
 	{
 		LL_ERRS() << "Xfer allocation error" << LL_ENDL;
 	}
+	return xfer_id;
 }
 
 void LLXferManager::requestFile(const std::string& remote_filename,
@@ -616,7 +621,7 @@ void LLXferManager::processReceiveData (LLMessageSystem *mesgsys, void ** /*user
 	if (!xferp) 
 	{
 		char U64_BUF[MAX_STRING];		/* Flawfinder : ignore */
-		LL_WARNS() << "received xfer data from " << mesgsys->getSender()
+		LL_INFOS() << "received xfer data from " << mesgsys->getSender()
 			<< " for non-existent xfer id: "
 			<< U64_to_str(id, U64_BUF, sizeof(U64_BUF)) << LL_ENDL;
 		return;
@@ -1103,6 +1108,29 @@ void LLXferManager::retransmitUnackedPackets ()
 	}
 }
 
+///////////////////////////////////////////////////////////
+
+void LLXferManager::abortRequestById(U64 xfer_id, S32 result_code)
+{
+	LLXfer * xferp = findXfer(xfer_id, mReceiveList);
+	if (xferp)
+	{
+		if (xferp->mStatus == e_LL_XFER_IN_PROGRESS)
+		{
+			// causes processAbort();
+			xferp->abort(result_code);
+		}
+		else
+		{
+			xferp->mCallbackResult = result_code;
+			xferp->processEOF(); //should notify requester
+			removeXfer(xferp, &mReceiveList);
+		}
+		// Since already removed or marked as aborted no need
+		// to wait for processAbort() to start new download
+		startPendingDownloads();
+	}
+}
 
 ///////////////////////////////////////////////////////////
 
diff --git a/indra/llmessage/llxfermanager.h b/indra/llmessage/llxfermanager.h
index b3d110e7a1..d258f0a5ce 100644
--- a/indra/llmessage/llxfermanager.h
+++ b/indra/llmessage/llxfermanager.h
@@ -140,7 +140,7 @@ class LLXferManager
 
 // file requesting routines
 // .. to file
-	virtual void requestFile(const std::string& local_filename,
+	virtual U64 requestFile(const std::string& local_filename,
 							 const std::string& remote_filename,
 							 ELLPath remote_path,
 							 const LLHost& remote_host,
@@ -202,6 +202,7 @@ class LLXferManager
 	virtual void retransmitUnackedPackets ();
 
 // error handling
+	void abortRequestById(U64 xfer_id, S32 result_code);
 	virtual void processAbort (LLMessageSystem *mesgsys, void **user_data);
 };
 
diff --git a/indra/newview/app_settings/settings.xml b/indra/newview/app_settings/settings.xml
index a8bd5c7183..8836ed0e5e 100644
--- a/indra/newview/app_settings/settings.xml
+++ b/indra/newview/app_settings/settings.xml
@@ -10284,10 +10284,10 @@
       <key>Value</key>
       <real>1.0</real>
     </map>
-    <key>RenderRiggedFactorMultiplier</key>
+    <key>RenderRiggedLodCompensation</key>
     <map>
       <key>Comment</key>
-      <string>Affects level of detail for worn rigged meshes</string>
+      <string>Affects visibility range of worn rigged meshes to compensate for missing LODs (limited by avatars own visibility)</string>
       <key>Persist</key>
       <integer>1</integer>
       <key>Type</key>
diff --git a/indra/newview/llagent.cpp b/indra/newview/llagent.cpp
index 6a1215c3af..d8b0787852 100644
--- a/indra/newview/llagent.cpp
+++ b/indra/newview/llagent.cpp
@@ -3191,7 +3191,7 @@ void LLAgent::initOriginGlobal(const LLVector3d &origin_global)
 }
 
 BOOL LLAgent::leftButtonGrabbed() const	
-{ 
+{
 	const BOOL camera_mouse_look = gAgentCamera.cameraMouselook();
 	return (!camera_mouse_look && mControlsTakenCount[CONTROL_LBUTTON_DOWN_INDEX] > 0) 
 		|| (camera_mouse_look && mControlsTakenCount[CONTROL_ML_LBUTTON_DOWN_INDEX] > 0)
@@ -3199,6 +3199,13 @@ BOOL LLAgent::leftButtonGrabbed() const
 		|| (camera_mouse_look && mControlsTakenPassedOnCount[CONTROL_ML_LBUTTON_DOWN_INDEX] > 0);
 }
 
+BOOL LLAgent::leftButtonBlocked() const
+{
+    const BOOL camera_mouse_look = gAgentCamera.cameraMouselook();
+    return (!camera_mouse_look && mControlsTakenCount[CONTROL_LBUTTON_DOWN_INDEX] > 0)
+        || (camera_mouse_look && mControlsTakenCount[CONTROL_ML_LBUTTON_DOWN_INDEX] > 0);
+}
+
 BOOL LLAgent::rotateGrabbed() const		
 { 
 	return (mControlsTakenCount[CONTROL_YAW_POS_INDEX] > 0)
@@ -3656,7 +3663,14 @@ BOOL LLAgent::anyControlGrabbed() const
 
 BOOL LLAgent::isControlGrabbed(S32 control_index) const
 {
-	return mControlsTakenCount[control_index] > 0;
+    if (gAgent.mControlsTakenCount[control_index] > 0)
+        return TRUE;
+    return gAgent.mControlsTakenPassedOnCount[control_index] > 0;
+}
+
+BOOL LLAgent::isControlBlocked(S32 control_index) const
+{
+    return mControlsTakenCount[control_index] > 0;
 }
 
 void LLAgent::forceReleaseControls()
diff --git a/indra/newview/llagent.h b/indra/newview/llagent.h
index b5da5e9062..d82ff7a67f 100644
--- a/indra/newview/llagent.h
+++ b/indra/newview/llagent.h
@@ -444,7 +444,8 @@ private:
 	// Grab
 	//--------------------------------------------------------------------
 public:
-	BOOL 			leftButtonGrabbed() const;
+    BOOL 			leftButtonGrabbed() const;
+    BOOL 			leftButtonBlocked() const;
 	BOOL 			rotateGrabbed() const;
 	BOOL 			forwardGrabbed() const;
 	BOOL 			backwardGrabbed() const;
@@ -461,8 +462,9 @@ public:
 	BOOL			controlFlagsDirty() const;
 	void			enableControlFlagReset();
 	void 			resetControlFlags();
-	BOOL			anyControlGrabbed() const; 		// True iff a script has taken over a control
-	BOOL			isControlGrabbed(S32 control_index) const;
+	BOOL			anyControlGrabbed() const; 		// True if a script has taken over any control
+    BOOL			isControlGrabbed(S32 control_index) const; // True if a script has taken over a control
+    BOOL			isControlBlocked(S32 control_index) const; // Control should be ignored or won't be passed
 	// Send message to simulator to force grabbed controls to be
 	// released, in case of a poorly written script.
 	void			forceReleaseControls();
diff --git a/indra/newview/llappviewer.cpp b/indra/newview/llappviewer.cpp
index b0829a3da1..bf7e643d0b 100644
--- a/indra/newview/llappviewer.cpp
+++ b/indra/newview/llappviewer.cpp
@@ -592,7 +592,7 @@ static void settings_to_globals()
 	LLImageGL::sGlobalUseAnisotropic	= gSavedSettings.getBOOL("RenderAnisotropic");
 	LLImageGL::sCompressTextures		= gSavedSettings.getBOOL("RenderCompressTextures");
 	LLVOVolume::sLODFactor				= gSavedSettings.getF32("RenderVolumeLODFactor");
-	LLVOVolume::sRiggedFactorMultiplier	= gSavedSettings.getF32("RenderRiggedFactorMultiplier");
+	LLVOVolume::sRiggedLODCompensation	= llmax(0.25f, gSavedSettings.getF32("RenderRiggedLodCompensation"));
 	LLVOVolume::sDistanceFactor			= 1.f-LLVOVolume::sLODFactor * 0.1f;
 	LLVolumeImplFlexible::sUpdateFactor = gSavedSettings.getF32("RenderFlexTimeFactor");
 	LLVOTree::sTreeFactor				= gSavedSettings.getF32("RenderTreeLODFactor");
diff --git a/indra/newview/lltool.cpp b/indra/newview/lltool.cpp
index 4aad650b68..5e703933ca 100644
--- a/indra/newview/lltool.cpp
+++ b/indra/newview/lltool.cpp
@@ -38,6 +38,7 @@
 #include "lltoolfocus.h"
 #include "llfocusmgr.h"
 #include "llagent.h"
+#include "llagentcamera.h"
 #include "llviewerjoystick.h"
 
 extern BOOL gDebugClicks;
@@ -84,7 +85,14 @@ BOOL LLTool::handleMouseDown(S32 x, S32 y, MASK mask)
 	}
 	// by default, didn't handle it
 	// LL_INFOS() << "LLTool::handleMouseDown" << LL_ENDL;
-	gAgent.setControlFlags(AGENT_CONTROL_LBUTTON_DOWN);
+    if (gAgentCamera.cameraMouselook())
+    {
+        gAgent.setControlFlags(AGENT_CONTROL_ML_LBUTTON_DOWN);
+    }
+    else
+    {
+        gAgent.setControlFlags(AGENT_CONTROL_LBUTTON_DOWN);
+    }
 	return TRUE;
 }
 
@@ -95,8 +103,15 @@ BOOL LLTool::handleMouseUp(S32 x, S32 y, MASK mask)
 		LL_INFOS() << "LLTool left mouse up" << LL_ENDL;
 	}
 	// by default, didn't handle it
-	// LL_INFOS() << "LLTool::handleMouseUp" << LL_ENDL;
-	gAgent.setControlFlags(AGENT_CONTROL_LBUTTON_UP);
+    // LL_INFOS() << "LLTool::handleMouseUp" << LL_ENDL;
+    if (gAgentCamera.cameraMouselook())
+    {
+        gAgent.setControlFlags(AGENT_CONTROL_ML_LBUTTON_UP);
+    }
+    else
+    {
+        gAgent.setControlFlags(AGENT_CONTROL_LBUTTON_UP);
+    }
 	return TRUE;
 }
 
diff --git a/indra/newview/lltoolcomp.cpp b/indra/newview/lltoolcomp.cpp
index 76a791c6e9..2b4fa757f6 100644
--- a/indra/newview/lltoolcomp.cpp
+++ b/indra/newview/lltoolcomp.cpp
@@ -742,12 +742,13 @@ BOOL LLToolCompGun::handleHover(S32 x, S32 y, MASK mask)
 
 BOOL LLToolCompGun::handleMouseDown(S32 x, S32 y, MASK mask)
 { 
-	// if the left button is grabbed, don't put up the pie menu
-	if (gAgent.leftButtonGrabbed())
-	{
-		gAgent.setControlFlags(AGENT_CONTROL_ML_LBUTTON_DOWN);
-		return FALSE;
-	}
+    // if the left button is blocked, don't put up the pie menu
+    if (gAgent.leftButtonBlocked())
+    {
+        // in case of "grabbed" control flag will be set later
+        gAgent.setControlFlags(AGENT_CONTROL_ML_LBUTTON_DOWN);
+        return FALSE;
+    }
 
 	// On mousedown, start grabbing
 	gGrabTransientTool = this;
@@ -759,12 +760,13 @@ BOOL LLToolCompGun::handleMouseDown(S32 x, S32 y, MASK mask)
 
 BOOL LLToolCompGun::handleDoubleClick(S32 x, S32 y, MASK mask)
 {
-	// if the left button is grabbed, don't put up the pie menu
-	if (gAgent.leftButtonGrabbed())
-	{
-		gAgent.setControlFlags(AGENT_CONTROL_ML_LBUTTON_DOWN);
-		return FALSE;
-	}
+    // if the left button is blocked, don't put up the pie menu
+    if (gAgent.leftButtonBlocked())
+    {
+        // in case of "grabbed" control flag will be set later
+        gAgent.setControlFlags(AGENT_CONTROL_ML_LBUTTON_DOWN);
+        return FALSE;
+    }
 
 	// On mousedown, start grabbing
 	gGrabTransientTool = this;
diff --git a/indra/newview/lltoolgrab.cpp b/indra/newview/lltoolgrab.cpp
index 92e8af985b..c0ca4d7a9a 100644
--- a/indra/newview/lltoolgrab.cpp
+++ b/indra/newview/lltoolgrab.cpp
@@ -143,7 +143,7 @@ BOOL LLToolGrab::handleMouseDown(S32 x, S32 y, MASK mask)
 	// call the base class to propogate info to sim
 	LLTool::handleMouseDown(x, y, mask);
 	
-	if (!gAgent.leftButtonGrabbed())
+	if (!gAgent.leftButtonBlocked())
 	{
 		// can grab transparent objects (how touch event propagates, scripters rely on this)
 		gViewerWindow->pickAsync(x, y, mask, pickCallback, /*BOOL pick_transparent*/ TRUE);
diff --git a/indra/newview/llviewercontrol.cpp b/indra/newview/llviewercontrol.cpp
index 5e74e9f019..bdd79b0da1 100644
--- a/indra/newview/llviewercontrol.cpp
+++ b/indra/newview/llviewercontrol.cpp
@@ -209,7 +209,7 @@ static bool handleVolumeLODChanged(const LLSD& newvalue)
 
 static bool handleRiggedLODChanged(const LLSD& newvalue)
 {
-    LLVOVolume::sRiggedFactorMultiplier = (F32)newvalue.asReal();
+	LLVOVolume::sRiggedLODCompensation = llmax(0.25f, (F32)newvalue.asReal());
     return true;
 }
 
@@ -625,7 +625,7 @@ void settings_setup_listeners()
 	gSavedSettings.getControl("WindLightUseAtmosShaders")->getSignal()->connect(boost::bind(&handleSetShaderChanged, _2));
 	gSavedSettings.getControl("RenderGammaFull")->getSignal()->connect(boost::bind(&handleSetShaderChanged, _2));
 	gSavedSettings.getControl("RenderVolumeLODFactor")->getSignal()->connect(boost::bind(&handleVolumeLODChanged, _2));
-	gSavedSettings.getControl("RenderRiggedFactorMultiplier")->getSignal()->connect(boost::bind(&handleRiggedLODChanged, _2));
+	gSavedSettings.getControl("RenderRiggedLodCompensation")->getSignal()->connect(boost::bind(&handleRiggedLODChanged, _2));
 	gSavedSettings.getControl("RenderAvatarLODFactor")->getSignal()->connect(boost::bind(&handleAvatarLODChanged, _2));
 	gSavedSettings.getControl("RenderAvatarPhysicsLODFactor")->getSignal()->connect(boost::bind(&handleAvatarPhysicsLODChanged, _2));
 	gSavedSettings.getControl("RenderTerrainLODFactor")->getSignal()->connect(boost::bind(&handleTerrainLODChanged, _2));
diff --git a/indra/newview/llviewerobject.cpp b/indra/newview/llviewerobject.cpp
index 5f4eeaa37b..7964bf1848 100644
--- a/indra/newview/llviewerobject.cpp
+++ b/indra/newview/llviewerobject.cpp
@@ -133,7 +133,6 @@ std::map<std::string, U32> LLViewerObject::sObjectDataMap;
 // JC 3/18/2003
 
 const F32 PHYSICS_TIMESTEP = 1.f / 45.f;
-const F64 INV_REQUEST_EXPIRE_TIME_SEC = 60.f;
 
 static LLTrace::BlockTimerStatHandle FTM_CREATE_OBJECT("Create Object");
 
@@ -245,9 +244,10 @@ LLViewerObject::LLViewerObject(const LLUUID &id, const LLPCode pcode, LLViewerRe
 	mPixelArea(1024.f),
 	mInventory(NULL),
 	mInventorySerialNum(0),
-	mRegionp( regionp ),
-	mInvRequestExpireTime(0.f),
+	mInvRequestState(INVENTORY_REQUEST_STOPPED),
+	mInvRequestXFerId(0),
 	mInventoryDirty(FALSE),
+	mRegionp(regionp),
 	mDead(FALSE),
 	mOrphaned(FALSE),
 	mUserSelected(FALSE),
@@ -2843,11 +2843,7 @@ void LLViewerObject::removeInventoryListener(LLVOInventoryListener* listener)
 
 BOOL LLViewerObject::isInventoryPending()
 {
-    if (mInvRequestExpireTime == 0.f || mInvRequestExpireTime < LLFrameTimer::getTotalSeconds())
-    {
-        return FALSE;
-    }
-    return TRUE;
+    return mInvRequestState != INVENTORY_REQUEST_STOPPED;
 }
 
 void LLViewerObject::clearInventoryListeners()
@@ -2888,7 +2884,7 @@ void LLViewerObject::requestInventory()
 
 void LLViewerObject::fetchInventoryFromServer()
 {
-	if (mInvRequestExpireTime == 0.f || mInvRequestExpireTime < LLFrameTimer::getTotalSeconds())
+	if (!isInventoryPending())
 	{
 		delete mInventory;
 		LLMessageSystem* msg = gMessageSystem;
@@ -2901,7 +2897,7 @@ void LLViewerObject::fetchInventoryFromServer()
 		msg->sendReliable(mRegionp->getHost());
 
 		// this will get reset by dirtyInventory or doInventoryCallback
-		mInvRequestExpireTime = LLFrameTimer::getTotalSeconds() + INV_REQUEST_EXPIRE_TIME_SEC;
+		mInvRequestState = INVENTORY_REQUEST_PENDING;
 	}
 }
 
@@ -2962,7 +2958,7 @@ void LLViewerObject::processTaskInv(LLMessageSystem* msg, void** user_data)
 	std::string unclean_filename;
 	msg->getStringFast(_PREHASH_InventoryData, _PREHASH_Filename, unclean_filename);
 	ft->mFilename = LLDir::getScrubbedFileName(unclean_filename);
-	
+
 	if(ft->mFilename.empty())
 	{
 		LL_DEBUGS() << "Task has no inventory" << LL_ENDL;
@@ -2984,13 +2980,27 @@ void LLViewerObject::processTaskInv(LLMessageSystem* msg, void** user_data)
 		delete ft;
 		return;
 	}
-	gXferManager->requestFile(gDirUtilp->getExpandedFilename(LL_PATH_CACHE, ft->mFilename), 
+	U64 new_id = gXferManager->requestFile(gDirUtilp->getExpandedFilename(LL_PATH_CACHE, ft->mFilename), 
 								ft->mFilename, LL_PATH_CACHE,
 								object->mRegionp->getHost(),
 								TRUE,
 								&LLViewerObject::processTaskInvFile,
 								(void**)ft,
 								LLXferManager::HIGH_PRIORITY);
+	if (object->mInvRequestState == INVENTORY_XFER)
+	{
+		if (new_id > 0 && new_id != object->mInvRequestXFerId)
+		{
+			// we started new download.
+			gXferManager->abortRequestById(object->mInvRequestXFerId, -1);
+			object->mInvRequestXFerId = new_id;
+		}
+	}
+	else
+	{
+		object->mInvRequestState = INVENTORY_XFER;
+		object->mInvRequestXFerId = new_id;
+	}
 }
 
 void LLViewerObject::processTaskInvFile(void** user_data, S32 error_code, LLExtStat ext_status)
@@ -3117,7 +3127,10 @@ void LLViewerObject::doInventoryCallback()
 			mInventoryCallbacks.erase(curiter);
 		}
 	}
-	mInvRequestExpireTime = 0.f;
+
+	// release inventory loading state
+	mInvRequestXFerId = 0;
+	mInvRequestState = INVENTORY_REQUEST_STOPPED;
 }
 
 void LLViewerObject::removeInventory(const LLUUID& item_id)
diff --git a/indra/newview/llviewerobject.h b/indra/newview/llviewerobject.h
index 804b6c147b..1e8f3f4ec2 100644
--- a/indra/newview/llviewerobject.h
+++ b/indra/newview/llviewerobject.h
@@ -720,6 +720,7 @@ private:
 	void deleteTEImages(); // correctly deletes list of images
 	
 protected:
+
 	typedef std::map<char *, LLNameValue *> name_value_map_t;
 	name_value_map_t mNameValuePairs;	// Any name-value pairs stored by script
 
@@ -756,9 +757,17 @@ protected:
 	callback_list_t mInventoryCallbacks;
 	S16 mInventorySerialNum;
 
+	enum EInventoryRequestState
+	{
+		INVENTORY_REQUEST_STOPPED,
+		INVENTORY_REQUEST_PENDING,
+		INVENTORY_XFER
+	};
+	EInventoryRequestState	mInvRequestState;
+	U64						mInvRequestXFerId;
+	BOOL					mInventoryDirty;
+
 	LLViewerRegion	*mRegionp;					// Region that this object belongs to.
-	F64				mInvRequestExpireTime;
-	BOOL			mInventoryDirty;
 	BOOL			mDead;
 	BOOL			mOrphaned;					// This is an orphaned child
 	BOOL			mUserSelected;				// Cached user select information
diff --git a/indra/newview/llvoavatar.cpp b/indra/newview/llvoavatar.cpp
index fe8f54b900..1425b3d42e 100644
--- a/indra/newview/llvoavatar.cpp
+++ b/indra/newview/llvoavatar.cpp
@@ -8434,6 +8434,7 @@ void LLVOAvatar::calculateUpdateRenderComplexity()
                 if (isSelf()
                     && attached_object
                     && attached_object->isHUDAttachment()
+                    && !attached_object->isTempAttachment()
                     && attached_object->mDrawable)
                 {
                     textures.clear();
diff --git a/indra/newview/llvovolume.cpp b/indra/newview/llvovolume.cpp
index 4aef6480cb..8d86623665 100644
--- a/indra/newview/llvovolume.cpp
+++ b/indra/newview/llvovolume.cpp
@@ -80,13 +80,14 @@
 
 const F32 FORCE_SIMPLE_RENDER_AREA = 512.f;
 const F32 FORCE_CULL_AREA = 8.f;
+static const F32 MINIMUM_RIGGED_RADIUS = 0.05f;
 U32 JOINT_COUNT_REQUIRED_FOR_FULLRIG = 20;
 
 BOOL gAnimateTextures = TRUE;
 //extern BOOL gHideSelectedObjects;
 
 F32 LLVOVolume::sLODFactor = 1.f;
-F32 LLVOVolume::sRiggedFactorMultiplier = 6.f;
+F32 LLVOVolume::sRiggedLODCompensation = 6.5f;
 F32	LLVOVolume::sLODSlopDistanceFactor = 0.5f; //Changing this to zero, effectively disables the LOD transition slop 
 F32 LLVOVolume::sDistanceFactor = 1.0f;
 S32 LLVOVolume::sNumLODChanges = 0;
@@ -1254,23 +1255,39 @@ BOOL LLVOVolume::calcLOD()
 		}
 
 		// Note: when changing, take note that a lot of rigged meshes have only one LOD.
-		lod_factor *= LLVOVolume::sRiggedFactorMultiplier;
 		distance = avatar->mDrawable->mDistanceWRTCamera;
 		F32 avatar_radius = avatar->getBinRadius();
-		F32 object_radius;
-		if (mDrawable.notNull() && !mDrawable->isDead())
+		F32 object_radius = 0;
+
+		LLDrawable* drawablep = mDrawable.get();
+		while (!drawablep->isRoot())
 		{
-			const LLVector4a* ext = mDrawable->getSpatialExtents();
+			drawablep = drawablep->getParent();
+		}
+
+		// Mesh can consist of multiple objects that have to be treated as one item or we will
+		// get strange deformations or partially missing meshes (smallest elements will disappear)
+		LLSpatialBridge* bridge = drawablep->getSpatialBridge();
+		if (bridge)
+		{
+			const LLVector4a* ext = bridge->getSpatialExtents();
 			LLVector4a diff;
 			diff.setSub(ext[1], ext[0]);
 			object_radius = diff.getLength3().getF32();
 		}
-		else
+
+		if (object_radius <= 0)
 		{
-			object_radius = getVolume() ? getVolume()->mLODScaleBias.scaledVec(getScale()).length() : getScale().length();
+			// bridge missing or somehow not updated
+			const LLVector4a* ext = mDrawable->getSpatialExtents();
+			LLVector4a diff;
+			diff.setSub(ext[1], ext[0]);
+			object_radius = diff.getLength3().getF32();
 		}
-		radius = object_radius * LLVOVolume::sRiggedFactorMultiplier;
-		radius = llmin(radius, avatar_radius);
+
+		// sRiggedLODCompensation is made to compensate for missing lower lods
+		radius = object_radius * LLVOVolume::sRiggedLODCompensation;
+		radius = llclamp(radius, MINIMUM_RIGGED_RADIUS, avatar_radius);
 	}
 	else
 	{
diff --git a/indra/newview/llvovolume.h b/indra/newview/llvovolume.h
index ca9917069b..ff005f8dc5 100644
--- a/indra/newview/llvovolume.h
+++ b/indra/newview/llvovolume.h
@@ -379,7 +379,7 @@ private:
 public:
 	static F32 sLODSlopDistanceFactor;// Changing this to zero, effectively disables the LOD transition slop
 	static F32 sLODFactor;				// LOD scale factor
-	static F32 sRiggedFactorMultiplier;	// Worn rigged LOD scale factor multiplier
+	static F32 sRiggedLODCompensation;	// HACK: worn rigged LODs often have only high lod, so we are bumping them up withing avatar's visibility
 	static F32 sDistanceFactor;			// LOD distance factor
 
 	static LLPointer<LLObjectMediaDataClient> sObjectMediaClient;
diff --git a/indra/newview/skins/default/xui/en/notifications.xml b/indra/newview/skins/default/xui/en/notifications.xml
index bc8166fcce..65ab3f001f 100644
--- a/indra/newview/skins/default/xui/en/notifications.xml
+++ b/indra/newview/skins/default/xui/en/notifications.xml
@@ -10275,6 +10275,22 @@ You have been teleported by the object '[OBJECT_NAME]' owned by an unknown user.
 
   <notification
    icon="alertmodal.tga"
+   name="StandDeniedByObject"
+   type="notify">
+    <tag>fail</tag>
+'[OBJECT_NAME]' will not allow you to stand at this time.
+  </notification>
+
+  <notification
+   icon="alertmodal.tga"
+   name="ResitDeniedByObject"
+   type="notify">
+    <tag>fail</tag>
+'[OBJECT_NAME]' will not allow you to change your seat at this time.
+  </notification>
+
+  <notification
+   icon="alertmodal.tga"
    name="CantCreateObjectRegionFull"
    type="notify">
    <tag>fail</tag>