/** * @file llmotion.cpp * @brief Implementation of LLMotion class. * * $LicenseInfo:firstyear=2001&license=viewerlgpl$ * Second Life Viewer Source Code * Copyright (C) 2010, Linden Research, Inc. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; * version 2.1 of the License only. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ */ //----------------------------------------------------------------------------- // Header Files //----------------------------------------------------------------------------- #include "linden_common.h" #include "llmotion.h" #include "llcriticaldamp.h" //----------------------------------------------------------------------------- //----------------------------------------------------------------------------- // LLMotion class //----------------------------------------------------------------------------- //----------------------------------------------------------------------------- //----------------------------------------------------------------------------- // LLMotion() // Class Constructor //----------------------------------------------------------------------------- LLMotion::LLMotion( const LLUUID &id ) : mStopped(TRUE), mActive(FALSE), mID(id), mActivationTimestamp(0.f), mStopTimestamp(0.f), mSendStopTimestamp(F32_MAX), mResidualWeight(0.f), mFadeWeight(1.f), mDeactivateCallback(NULL), mDeactivateCallbackUserData(NULL) { for (int i=0; i<3; ++i) memset(&mJointSignature[i][0], 0, sizeof(U8) * LL_CHARACTER_MAX_JOINTS); } //----------------------------------------------------------------------------- // ~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(const LLPointer<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; } //virtual void LLMotion::setStopTime(F32 time) { mStopTimestamp = time; mStopped = TRUE; } BOOL LLMotion::isBlending() { return mPose.getWeight() < 1.f; } //----------------------------------------------------------------------------- // activate() //----------------------------------------------------------------------------- void LLMotion::activate(F32 time) { mActivationTimestamp = time; mStopped = FALSE; mActive = TRUE; onActivate(); } //----------------------------------------------------------------------------- // deactivate() //----------------------------------------------------------------------------- void LLMotion::deactivate() { mActive = FALSE; mPose.setWeight(0.f); if (mDeactivateCallback) { (*mDeactivateCallback)(mDeactivateCallbackUserData); mDeactivateCallback = NULL; // only call callback once mDeactivateCallbackUserData = NULL; } onDeactivate(); } BOOL LLMotion::canDeprecate() { return TRUE; } // End