/**
 * @file llmorphview.h
 * @brief Container for character morph controls
 *
 * $LicenseInfo:firstyear=2001&license=viewerlgpl$
 * 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_LLMORPHVIEW_H
#define LL_LLMORPHVIEW_H

#include "llview.h"
#include "v3dmath.h"
#include "llframetimer.h"

class LLJoint;

class LLMorphView : public LLView
{
public:
    struct Params : public LLInitParam::Block<Params, LLView::Params>
    {
        Params()
        {
            changeDefault(mouse_opaque, false);
            changeDefault(follows.flags, FOLLOWS_ALL);
        }
    };
    LLMorphView(const LLMorphView::Params&);

    void        shutdown();

    // inherited methods
    void        setVisible(bool visible) override;

    void        setCameraTargetJoint(LLJoint *joint)        {mCameraTargetJoint = joint;}
    LLJoint*    getCameraTargetJoint()                      {return mCameraTargetJoint;}

    void        setCameraOffset(const LLVector3d& camera_offset)    {mCameraOffset = camera_offset;}
    void        setCameraTargetOffset(const LLVector3d& camera_target_offset) {mCameraTargetOffset = camera_target_offset;}

    void        updateCamera();
    void        setCameraDrivenByKeys( bool b );

protected:
    void        initialize();

    LLJoint*    mCameraTargetJoint;
    LLVector3d  mCameraOffset;
    LLVector3d  mCameraTargetOffset;
    LLVector3d  mOldCameraPos;
    LLVector3d  mOldTargetPos;
    F32         mOldCameraNearClip;
    LLFrameTimer mCameraMoveTimer;

    // camera rotation
    F32         mCameraPitch;
    F32         mCameraYaw;

    bool        mCameraDrivenByKeys;
};

//
// Globals
//

extern LLMorphView *gMorphView;

#endif