/indra/newview/llemote.cpp

  1/** 
  2 * @file llemote.cpp
  3 * @brief Implementation of LLEmote 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//-----------------------------------------------------------------------------
 28// Header Files
 29//-----------------------------------------------------------------------------
 30#include "llviewerprecompiledheaders.h"
 31
 32#include "llemote.h"
 33#include "llcharacter.h"
 34#include "m3math.h"
 35#include "llvoavatar.h"
 36
 37//-----------------------------------------------------------------------------
 38// Constants
 39//-----------------------------------------------------------------------------
 40
 41//-----------------------------------------------------------------------------
 42// LLEmote()
 43// Class Constructor
 44//-----------------------------------------------------------------------------
 45LLEmote::LLEmote(const LLUUID &id) : LLMotion(id)
 46{
 47	mCharacter = NULL;
 48
 49	//RN: flag face joint as highest priority for now, until we implement a proper animation track
 50	mJointSignature[0][LL_FACE_JOINT_NUM] = 0xff;
 51	mJointSignature[1][LL_FACE_JOINT_NUM] = 0xff;
 52	mJointSignature[2][LL_FACE_JOINT_NUM] = 0xff;
 53}
 54
 55
 56//-----------------------------------------------------------------------------
 57// ~LLEmote()
 58// Class Destructor
 59//-----------------------------------------------------------------------------
 60LLEmote::~LLEmote()
 61{
 62}
 63
 64//-----------------------------------------------------------------------------
 65// LLEmote::onInitialize(LLCharacter *character)
 66//-----------------------------------------------------------------------------
 67LLMotion::LLMotionInitStatus LLEmote::onInitialize(LLCharacter *character)
 68{
 69	mCharacter = character;
 70	return STATUS_SUCCESS;
 71}
 72
 73
 74//-----------------------------------------------------------------------------
 75// LLEmote::onActivate()
 76//-----------------------------------------------------------------------------
 77BOOL LLEmote::onActivate()
 78{
 79	LLVisualParam* default_param = mCharacter->getVisualParam( "Express_Closed_Mouth" );
 80	if( default_param )
 81	{
 82		default_param->setWeight( default_param->getMaxWeight(), FALSE );
 83	}
 84
 85	mParam = mCharacter->getVisualParam(mName.c_str());
 86	if (mParam)
 87	{
 88		mParam->setWeight(0.f, FALSE);
 89		mCharacter->updateVisualParams();
 90	}
 91	
 92	return TRUE;
 93}
 94
 95
 96//-----------------------------------------------------------------------------
 97// LLEmote::onUpdate()
 98//-----------------------------------------------------------------------------
 99BOOL LLEmote::onUpdate(F32 time, U8* joint_mask)
100{
101	if( mParam )
102	{
103		F32 weight = mParam->getMinWeight() + mPose.getWeight() * (mParam->getMaxWeight() - mParam->getMinWeight());
104		mParam->setWeight(weight, FALSE);
105
106		// Cross fade against the default parameter
107		LLVisualParam* default_param = mCharacter->getVisualParam( "Express_Closed_Mouth" );
108		if( default_param )
109		{
110			F32 default_param_weight = default_param->getMinWeight() + 
111				(1.f - mPose.getWeight()) * ( default_param->getMaxWeight() - default_param->getMinWeight() );
112			
113			default_param->setWeight( default_param_weight, FALSE );
114		}
115
116		mCharacter->updateVisualParams();
117	}
118
119	return TRUE;
120}
121
122
123//-----------------------------------------------------------------------------
124// LLEmote::onDeactivate()
125//-----------------------------------------------------------------------------
126void LLEmote::onDeactivate()
127{
128	if( mParam )
129	{
130		mParam->setWeight( mParam->getDefaultWeight(), FALSE );
131	}
132
133	LLVisualParam* default_param = mCharacter->getVisualParam( "Express_Closed_Mouth" );
134	if( default_param )
135	{
136		default_param->setWeight( default_param->getMaxWeight(), FALSE );
137	}
138
139	mCharacter->updateVisualParams();
140}
141
142
143// End