179 lines
5.2 KiB
C++
179 lines
5.2 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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* $LicenseInfo:firstyear=2001&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2010, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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* $/LicenseInfo$
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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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mStopped(true),
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mActive(false),
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mID(id),
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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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mDeactivateCallback(NULL),
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mDeactivateCallbackUserData(NULL)
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{
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for (S32 i=0; i<3; ++i)
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memset(&mJointSignature[i][0], 0, sizeof(U8) * LL_CHARACTER_MAX_ANIMATED_JOINTS);
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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, LLSmoothInterpolation::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, LLSmoothInterpolation::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(const LLPointer<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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S32 joint_num = jointState->getJoint()->getJointNum();
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if ((joint_num >= (S32)LL_CHARACTER_MAX_ANIMATED_JOINTS) || (joint_num < 0))
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{
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LL_WARNS() << "joint_num " << joint_num << " is outside of legal range [0-" << LL_CHARACTER_MAX_ANIMATED_JOINTS << ") for joint " << jointState->getJoint()->getName() << LL_ENDL;
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return;
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}
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mJointSignature[0][joint_num] = (usage & LLJointState::POS) ? (0xff >> (7 - priority)) : 0;
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mJointSignature[1][joint_num] = (usage & LLJointState::ROT) ? (0xff >> (7 - priority)) : 0;
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mJointSignature[2][joint_num] = (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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//virtual
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void LLMotion::setStopTime(F32 time)
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{
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mStopTimestamp = time;
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mStopped = true;
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}
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bool LLMotion::isBlending()
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{
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return mPose.getWeight() < 1.f;
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}
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//-----------------------------------------------------------------------------
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// activate()
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//-----------------------------------------------------------------------------
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void LLMotion::activate(F32 time)
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{
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mActivationTimestamp = time;
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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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mPose.setWeight(0.f);
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if (mDeactivateCallback)
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{
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(*mDeactivateCallback)(mDeactivateCallbackUserData);
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mDeactivateCallback = NULL; // only call callback once
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mDeactivateCallbackUserData = NULL;
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}
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onDeactivate();
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}
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bool LLMotion::canDeprecate()
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{
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return true;
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}
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// End
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