phoenix-firestorm/indra/llcharacter/llmotion.cpp

132 lines
3.8 KiB
C++

/**
* @file llmotion.cpp
* @brief Implementation of LLMotion class.
*
* Copyright (c) 2001-$CurrentYear$, Linden Research, Inc.
* $License$
*/
//-----------------------------------------------------------------------------
// Header Files
//-----------------------------------------------------------------------------
#include "linden_common.h"
#include "llmotion.h"
#include "llcriticaldamp.h"
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
// LLMotion class
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
// LLMotion()
// Class Constructor
//-----------------------------------------------------------------------------
LLMotion::LLMotion( const LLUUID &id )
{
mActivationTimestamp = 0.f;
mStopTimestamp = 0.f;
mSendStopTimestamp = F32_MAX;
mResidualWeight = 0.f;
mFadeWeight = 1.f;
mStopped = TRUE;
mActive = FALSE;
mDeactivateCallback = NULL;
memset(&mJointSignature[0][0], 0, sizeof(U8) * LL_CHARACTER_MAX_JOINTS);
memset(&mJointSignature[1][0], 0, sizeof(U8) * LL_CHARACTER_MAX_JOINTS);
memset(&mJointSignature[2][0], 0, sizeof(U8) * LL_CHARACTER_MAX_JOINTS);
mID = id;
}
//-----------------------------------------------------------------------------
// ~LLMotion()
// Class Destructor
//-----------------------------------------------------------------------------
LLMotion::~LLMotion()
{
}
//-----------------------------------------------------------------------------
// fadeOut()
//-----------------------------------------------------------------------------
void LLMotion::fadeOut()
{
if (mFadeWeight > 0.01f)
{
mFadeWeight = lerp(mFadeWeight, 0.f, LLCriticalDamp::getInterpolant(0.15f));
}
else
{
mFadeWeight = 0.f;
}
}
//-----------------------------------------------------------------------------
// fadeIn()
//-----------------------------------------------------------------------------
void LLMotion::fadeIn()
{
if (mFadeWeight < 0.99f)
{
mFadeWeight = lerp(mFadeWeight, 1.f, LLCriticalDamp::getInterpolant(0.15f));
}
else
{
mFadeWeight = 1.f;
}
}
//-----------------------------------------------------------------------------
// addJointState()
//-----------------------------------------------------------------------------
void LLMotion::addJointState(LLJointState* jointState)
{
mPose.addJointState(jointState);
S32 priority = jointState->getPriority();
if (priority == LLJoint::USE_MOTION_PRIORITY)
{
priority = getPriority();
}
U32 usage = jointState->getUsage();
// for now, usage is everything
mJointSignature[0][jointState->getJoint()->getJointNum()] = (usage & LLJointState::POS) ? (0xff >> (7 - priority)) : 0;
mJointSignature[1][jointState->getJoint()->getJointNum()] = (usage & LLJointState::ROT) ? (0xff >> (7 - priority)) : 0;
mJointSignature[2][jointState->getJoint()->getJointNum()] = (usage & LLJointState::SCALE) ? (0xff >> (7 - priority)) : 0;
}
void LLMotion::setDeactivateCallback( void (*cb)(void *), void* userdata )
{
mDeactivateCallback = cb;
mDeactivateCallbackUserData = userdata;
}
//-----------------------------------------------------------------------------
// activate()
//-----------------------------------------------------------------------------
void LLMotion::activate()
{
mStopped = FALSE;
mActive = TRUE;
onActivate();
}
//-----------------------------------------------------------------------------
// deactivate()
//-----------------------------------------------------------------------------
void LLMotion::deactivate()
{
mActive = FALSE;
if (mDeactivateCallback) (*mDeactivateCallback)(mDeactivateCallbackUserData);
onDeactivate();
}
// End