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/indra/llcharacter/lltargetingmotion.h

https://bitbucket.org/lindenlab/viewer-beta/
C++ Header | 116 lines | 35 code | 24 blank | 57 comment | 0 complexity | e04eebd99cbec84c8ef11099a35918e9 MD5 | raw file
  1/** 
  2 * @file lltargetingmotion.h
  3 * @brief Implementation of LLTargetingMotion class.
  4 *
  5 * $LicenseInfo:firstyear=2002&license=viewerlgpl$
  6 * Second Life Viewer Source Code
  7 * Copyright (C) 2010, Linden Research, Inc.
  8 * 
  9 * This library is free software; you can redistribute it and/or
 10 * modify it under the terms of the GNU Lesser General Public
 11 * License as published by the Free Software Foundation;
 12 * version 2.1 of the License only.
 13 * 
 14 * This library is distributed in the hope that it will be useful,
 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 17 * Lesser General Public License for more details.
 18 * 
 19 * You should have received a copy of the GNU Lesser General Public
 20 * License along with this library; if not, write to the Free Software
 21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 22 * 
 23 * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
 24 * $/LicenseInfo$
 25 */
 26
 27#ifndef LL_LLTARGETINGMOTION_H
 28#define LL_LLTARGETINGMOTION_H
 29
 30//-----------------------------------------------------------------------------
 31// Header files
 32//-----------------------------------------------------------------------------
 33#include "llmotion.h"
 34
 35#define TARGETING_EASEIN_DURATION	0.3f
 36#define TARGETING_EASEOUT_DURATION 0.5f
 37#define TARGETING_PRIORITY LLJoint::HIGH_PRIORITY
 38#define MIN_REQUIRED_PIXEL_AREA_TARGETING 1000.f;
 39
 40
 41//-----------------------------------------------------------------------------
 42// class LLTargetingMotion
 43//-----------------------------------------------------------------------------
 44class LLTargetingMotion :
 45	public LLMotion
 46{
 47public:
 48	// Constructor
 49	LLTargetingMotion(const LLUUID &id);
 50
 51	// Destructor
 52	virtual ~LLTargetingMotion();
 53
 54public:
 55	//-------------------------------------------------------------------------
 56	// functions to support MotionController and MotionRegistry
 57	//-------------------------------------------------------------------------
 58
 59	// static constructor
 60	// all subclasses must implement such a function and register it
 61	static LLMotion *create(const LLUUID &id) { return new LLTargetingMotion(id); }
 62
 63public:
 64	//-------------------------------------------------------------------------
 65	// animation callbacks to be implemented by subclasses
 66	//-------------------------------------------------------------------------
 67
 68	// motions must specify whether or not they loop
 69	virtual BOOL getLoop() { return TRUE; }
 70
 71	// motions must report their total duration
 72	virtual F32 getDuration() { return 0.0; }
 73
 74	// motions must report their "ease in" duration
 75	virtual F32 getEaseInDuration() { return TARGETING_EASEIN_DURATION; }
 76
 77	// motions must report their "ease out" duration.
 78	virtual F32 getEaseOutDuration() { return TARGETING_EASEOUT_DURATION; }
 79
 80	// motions must report their priority
 81	virtual LLJoint::JointPriority getPriority() { return TARGETING_PRIORITY; }
 82
 83	virtual LLMotionBlendType getBlendType() { return ADDITIVE_BLEND; }
 84
 85	// called to determine when a motion should be activated/deactivated based on avatar pixel coverage
 86	virtual F32 getMinPixelArea() { return MIN_REQUIRED_PIXEL_AREA_TARGETING; }
 87
 88	// run-time (post constructor) initialization,
 89	// called after parameters have been set
 90	// must return true to indicate success and be available for activation
 91	virtual LLMotionInitStatus onInitialize(LLCharacter *character);
 92
 93	// called when a motion is activated
 94	// must return TRUE to indicate success, or else
 95	// it will be deactivated
 96	virtual BOOL onActivate();
 97
 98	// called per time step
 99	// must return TRUE while it is active, and
100	// must return FALSE when the motion is completed.
101	virtual BOOL onUpdate(F32 time, U8* joint_mask);
102
103	// called when a motion is deactivated
104	virtual void onDeactivate();
105
106public:
107
108	LLCharacter			*mCharacter;
109	LLPointer<LLJointState>	mTorsoState;
110	LLJoint*			mPelvisJoint;
111	LLJoint*			mTorsoJoint;
112	LLJoint*			mRightHandJoint;
113};
114
115#endif // LL_LLTARGETINGMOTION_H
116