llemote.h
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- /**
- * @file llemote.h
- * @brief Definition of LLEmote class
- *
- * $LicenseInfo:firstyear=2002&license=viewergpl$
- *
- * Copyright (c) 2002-2010, Linden Research, Inc.
- *
- * Second Life Viewer Source Code
- * The source code in this file ("Source Code") is provided by Linden Lab
- * to you under the terms of the GNU General Public License, version 2.0
- * ("GPL"), unless you have obtained a separate licensing agreement
- * ("Other License"), formally executed by you and Linden Lab. Terms of
- * the GPL can be found in doc/GPL-license.txt in this distribution, or
- * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
- *
- * There are special exceptions to the terms and conditions of the GPL as
- * it is applied to this Source Code. View the full text of the exception
- * in the file doc/FLOSS-exception.txt in this software distribution, or
- * online at
- * http://secondlifegrid.net/programs/open_source/licensing/flossexception
- *
- * By copying, modifying or distributing this software, you acknowledge
- * that you have read and understood your obligations described above,
- * and agree to abide by those obligations.
- *
- * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
- * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
- * COMPLETENESS OR PERFORMANCE.
- * $/LicenseInfo$
- */
- #ifndef LL_LLEMOTE_H
- #define LL_LLEMOTE_H
- //-----------------------------------------------------------------------------
- // Header files
- //-----------------------------------------------------------------------------
- #include "llmotion.h"
- #include "lltimer.h"
- #define MIN_REQUIRED_PIXEL_AREA_EMOTE 2000.f
- #define EMOTE_MORPH_FADEIN_TIME 0.3f
- #define EMOTE_MORPH_IN_TIME 1.1f
- #define EMOTE_MORPH_FADEOUT_TIME 1.4f
- class LLVisualParam;
- //-----------------------------------------------------------------------------
- // class LLEmote
- //-----------------------------------------------------------------------------
- class LLEmote :
- public LLMotion
- {
- public:
- // Constructor
- LLEmote(const LLUUID &id);
- // Destructor
- virtual ~LLEmote();
- public:
- //-------------------------------------------------------------------------
- // functions to support MotionController and MotionRegistry
- //-------------------------------------------------------------------------
- // static constructor
- // all subclasses must implement such a function and register it
- static LLMotion *create(const LLUUID &id) { return new LLEmote(id); }
- public:
- //-------------------------------------------------------------------------
- // animation callbacks to be implemented by subclasses
- //-------------------------------------------------------------------------
- // motions must specify whether or not they loop
- virtual BOOL getLoop() { return FALSE; }
- // motions must report their total duration
- virtual F32 getDuration() { return EMOTE_MORPH_FADEIN_TIME + EMOTE_MORPH_IN_TIME + EMOTE_MORPH_FADEOUT_TIME; }
- // motions must report their "ease in" duration
- virtual F32 getEaseInDuration() { return EMOTE_MORPH_FADEIN_TIME; }
- // motions must report their "ease out" duration.
- virtual F32 getEaseOutDuration() { return EMOTE_MORPH_FADEOUT_TIME; }
- // called to determine when a motion should be activated/deactivated based on avatar pixel coverage
- virtual F32 getMinPixelArea() { return MIN_REQUIRED_PIXEL_AREA_EMOTE; }
- // motions must report their priority
- virtual LLJoint::JointPriority getPriority() { return LLJoint::MEDIUM_PRIORITY; }
- virtual LLMotionBlendType getBlendType() { return NORMAL_BLEND; }
- // run-time (post constructor) initialization,
- // called after parameters have been set
- // must return true to indicate success and be available for activation
- virtual LLMotionInitStatus onInitialize(LLCharacter *character);
- // called when a motion is activated
- // must return TRUE to indicate success, or else
- // it will be deactivated
- virtual BOOL onActivate();
- // called per time step
- // must return TRUE while it is active, and
- // must return FALSE when the motion is completed.
- virtual BOOL onUpdate(F32 time, U8* joint_mask);
- // called when a motion is deactivated
- virtual void onDeactivate();
- virtual BOOL canDeprecate() { return FALSE; }
- protected:
- LLCharacter* mCharacter;
- LLVisualParam* mParam;
- };
- #endif // LL_LLEMOTE_H