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diff --git a/indra/newview/llpathfindingnavmeshstatus.h b/indra/newview/llpathfindingnavmeshstatus.h
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+++ b/indra/newview/llpathfindingnavmeshstatus.h
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+/** 
+ * @file llpathfindingnavmeshstatus.h
+ * @author William Todd Stinson
+ * @brief A class for representing the navmesh status of a pathfinding region.
+ *
+ * $LicenseInfo:firstyear=2002&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc. 
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LLPATHFINDINGNAVMESHSTATUS_H
+#define LL_LLPATHFINDINGNAVMESHSTATUS_H
+
+#include "lluuid.h"
+
+#include <string>
+
+// XXX stinson 03/12/2012 : This definition is in place to support an older version of the pathfinding simulator that does not have versioned information
+#define DEPRECATED_UNVERSIONED_NAVMESH
+
+class LLSD;
+
+class LLPathfindingNavMeshStatus
+{
+public:
+	typedef enum
+	{
+		kPending,
+		kBuilding,
+		kComplete,
+		kRepending
+	} ENavMeshStatus;
+
+	LLPathfindingNavMeshStatus();
+	LLPathfindingNavMeshStatus(const LLUUID &pRegionUUID);
+	LLPathfindingNavMeshStatus(const LLUUID &pRegionUUID, const LLSD &pContent);
+	LLPathfindingNavMeshStatus(const LLSD &pContent);
+	LLPathfindingNavMeshStatus(const LLPathfindingNavMeshStatus &pOther);
+	virtual ~LLPathfindingNavMeshStatus();
+
+	LLPathfindingNavMeshStatus &operator =(const LLPathfindingNavMeshStatus &pOther);
+
+#ifdef DEPRECATED_UNVERSIONED_NAVMESH
+	void incrementNavMeshVersionXXX() {++mVersion;};
+#endif // DEPRECATED_UNVERSIONED_NAVMESH
+
+	bool           isValid() const        {return mIsValid;};
+	const LLUUID   &getRegionUUID() const {return mRegionUUID;};
+	U32            getVersion() const     {return mVersion;};
+	ENavMeshStatus getStatus() const      {return mStatus;};
+
+protected:
+
+private:
+	void           parseStatus(const LLSD &pContent);
+
+	bool           mIsValid;
+	LLUUID         mRegionUUID;
+	U32            mVersion;
+	ENavMeshStatus mStatus;
+
+	static const std::string sStatusPending;
+	static const std::string sStatusBuilding;
+	static const std::string sStatusComplete;
+	static const std::string sStatusRepending;
+};
+
+#endif // LL_LLPATHFINDINGNAVMESHSTATUS_H