llemote.cpp

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//-----------------------------------------------------------------------------
// Header Files
//-----------------------------------------------------------------------------
#include "llviewerprecompiledheaders.h"

#include "llemote.h"
#include "llcharacter.h"
#include "m3math.h"
#include "llvoavatar.h"
#include "llagent.h"

//-----------------------------------------------------------------------------
// Constants
//-----------------------------------------------------------------------------

//-----------------------------------------------------------------------------
// LLEmote()
// Class Constructor
//-----------------------------------------------------------------------------
LLEmote::LLEmote(const LLUUID &id) : LLMotion(id)
{
        mCharacter = NULL;

        //RN: flag face joint as highest priority for now, until we implement a proper animation track
        mJointSignature[0][LL_FACE_JOINT_NUM] = 0xff;
        mJointSignature[1][LL_FACE_JOINT_NUM] = 0xff;
        mJointSignature[2][LL_FACE_JOINT_NUM] = 0xff;
}


//-----------------------------------------------------------------------------
// ~LLEmote()
// Class Destructor
//-----------------------------------------------------------------------------
LLEmote::~LLEmote()
{
}

//-----------------------------------------------------------------------------
// LLEmote::onInitialize(LLCharacter *character)
//-----------------------------------------------------------------------------
LLMotion::LLMotionInitStatus LLEmote::onInitialize(LLCharacter *character)
{
        mCharacter = character;
        return STATUS_SUCCESS;
}


//-----------------------------------------------------------------------------
// LLEmote::onActivate()
//-----------------------------------------------------------------------------
BOOL LLEmote::onActivate()
{
        LLVisualParam* default_param = mCharacter->getVisualParam( "Express_Closed_Mouth" );
        if( default_param )
        {
                default_param->setWeight( default_param->getMaxWeight(), FALSE );
        }

        mParam = mCharacter->getVisualParam(mName.c_str());
        if (mParam)
        {
                mParam->setWeight(0.f, FALSE);
                mCharacter->updateVisualParams();
        }
        
        return TRUE;
}


//-----------------------------------------------------------------------------
// LLEmote::onUpdate()
//-----------------------------------------------------------------------------
BOOL LLEmote::onUpdate(F32 time, U8* joint_mask)
{
        if( mParam )
        {
                F32 weight = mParam->getMinWeight() + mPose.getWeight() * (mParam->getMaxWeight() - mParam->getMinWeight());
                mParam->setWeight(weight, FALSE);

                // Cross fade against the default parameter
                LLVisualParam* default_param = mCharacter->getVisualParam( "Express_Closed_Mouth" );
                if( default_param )
                {
                        F32 default_param_weight = default_param->getMinWeight() + 
                                (1.f - mPose.getWeight()) * ( default_param->getMaxWeight() - default_param->getMinWeight() );
                        
                        default_param->setWeight( default_param_weight, FALSE );
                }

                mCharacter->updateVisualParams();
        }

        return TRUE;
}


//-----------------------------------------------------------------------------
// LLEmote::onDeactivate()
//-----------------------------------------------------------------------------
void LLEmote::onDeactivate()
{
        if( mParam )
        {
                mParam->setWeight( mParam->getDefaultWeight(), FALSE );
        }

        LLVisualParam* default_param = mCharacter->getVisualParam( "Express_Closed_Mouth" );
        if( default_param )
        {
                default_param->setWeight( default_param->getMaxWeight(), FALSE );
        }

        mCharacter->updateVisualParams();
}


// End

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