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diff --git a/indra/newview/llcontrolavatar.h b/indra/newview/llcontrolavatar.h
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+++ b/indra/newview/llcontrolavatar.h
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+/**
+ * @file llcontrolavatar.h
+ * @brief Special dummy avatar used to drive rigged meshes.
+ *
+ * $LicenseInfo:firstyear=2017&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2017, 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_CONTROLAVATAR_H
+#define LL_CONTROLAVATAR_H
+
+#include "llvoavatar.h"
+#include "llvovolume.h"
+
+class LLControlAvatar:
+    public LLVOAvatar
+{
+    LOG_CLASS(LLControlAvatar);
+
+public:
+    LLControlAvatar(const LLUUID &id, const LLPCode pcode, LLViewerRegion *regionp);
+	virtual void 			initInstance(); // Called after construction to initialize the class.
+	virtual	~LLControlAvatar();
+
+    void matchVolumeTransform();
+    void updateVolumeGeom();
+        
+    void setGlobalScale(F32 scale);
+    void recursiveScaleJoint(LLJoint *joint, F32 factor);
+    static LLControlAvatar *createControlAvatar(LLVOVolume *obj);
+
+    // Delayed kill so we don't make graphics pipeline unhappy calling
+    // markDead() inside other graphics pipeline operations.
+    void markForDeath();
+
+    virtual void idleUpdate(LLAgent &agent, const F64 &time);
+	virtual BOOL updateCharacter(LLAgent &agent);
+
+    void getAnimatedVolumes(std::vector<LLVOVolume*>& volumes);
+    void updateAnimations();  
+    
+	virtual LLViewerObject*	lineSegmentIntersectRiggedAttachments(
+        const LLVector4a& start, const LLVector4a& end,
+        S32 face = -1,                    // which face to check, -1 = ALL_SIDES
+        BOOL pick_transparent = FALSE,
+        BOOL pick_rigged = FALSE,
+        S32* face_hit = NULL,             // which face was hit
+        LLVector4a* intersection = NULL,   // return the intersection point
+        LLVector2* tex_coord = NULL,      // return the texture coordinates of the intersection point
+        LLVector4a* normal = NULL,         // return the surface normal at the intersection point
+        LLVector4a* tangent = NULL);     // return the surface tangent at the intersection point
+
+	virtual void	updateDebugText();
+
+    bool mPlaying;
+
+    F32 mGlobalScale;
+
+    LLVOVolume *mRootVolp;
+
+    bool mMarkedForDeath;
+
+};
+
+#endif //LL_CONTROLAVATAR_H