MAINT-1805 FIXED "Back" button doesn't teleport user to correct location after performing several teleports to a different locations

Agent position gets reseted frequently while not all varibles are uptadet,
as result it is not reliable for inter-region teleportation.
Changed to value from message.

2 files changed, 12 insertions, 1 deletions

diff --git a/indra/newview/llviewerparcelmgr.cpp b/indra/newview/llviewerparcelmgr.cpp
index e361fad9de..04f02872f3 100755
--- a/indra/newview/llviewerparcelmgr.cpp
+++ b/indra/newview/llviewerparcelmgr.cpp
@@ -118,6 +118,7 @@ LLViewerParcelMgr::LLViewerParcelMgr()
 	mHoverRequestResult(0),
 	mHoverWestSouth(),
 	mHoverEastNorth(),
+	mTeleportInProgressPosition(),
 	mRenderCollision(FALSE),
 	mRenderSelection(TRUE),
 	mCollisionBanned(0),
@@ -1586,7 +1587,15 @@ void LLViewerParcelMgr::processParcelProperties(LLMessageSystem *msg, void **use
 			if (instance->mTeleportInProgress)
 			{
 				instance->mTeleportInProgress = FALSE;
-				instance->mTeleportFinishedSignal(gAgent.getPositionGlobal(), false);
+				if(instance->mTeleportInProgressPosition.isNull())
+				{
+					//initial update
+					instance->mTeleportFinishedSignal(gAgent.getPositionGlobal(), false);
+				}
+				else
+				{
+					instance->mTeleportFinishedSignal(instance->mTeleportInProgressPosition, false);
+				}
 			}
 		}
 	}
@@ -2495,6 +2504,7 @@ void LLViewerParcelMgr::onTeleportFinished(bool local, const LLVector3d& new_pos
 		// Non-local teleport (inter-region or between different parcels of the same region).
 		// The agent parcel data has not been updated yet.
 		// Let's wait for the update and then emit the signal.
+		mTeleportInProgressPosition = new_pos;
 		mTeleportInProgress = TRUE;
 	}
 }
diff --git a/indra/newview/llviewerparcelmgr.h b/indra/newview/llviewerparcelmgr.h
index 9da49bb3f3..ee8d4778d9 100755
--- a/indra/newview/llviewerparcelmgr.h
+++ b/indra/newview/llviewerparcelmgr.h
@@ -336,6 +336,7 @@ private:
 	LLDynamicArray<LLParcelObserver*> mObservers;
 
 	BOOL						mTeleportInProgress;
+	LLVector3d					mTeleportInProgressPosition;
 	teleport_finished_signal_t	mTeleportFinishedSignal;
 	teleport_failed_signal_t	mTeleportFailedSignal;