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