89 lines
3.6 KiB
C++
89 lines
3.6 KiB
C++
/* -*-c++-*-
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* Copyright (C) 2009 Cedric Pinson <cedric.pinson@plopbyte.net>
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*
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* This library is open source and may be redistributed and/or modified under
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* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
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* (at your option) any later version. The full license is in LICENSE file
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* included with this distribution, and on the openscenegraph.org website.
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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
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* OpenSceneGraph Public License for more details.
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*/
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#include <osgAnimation/ActionStripAnimation>
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using namespace osgAnimation;
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ActionAnimation* ActionStripAnimation::getAnimation() { return _animation.get(); }
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ActionBlendIn* ActionStripAnimation::getBlendIn() { return _blendIn.get(); }
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ActionBlendOut* ActionStripAnimation::getBlendOut() { return _blendOut.second.get(); }
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const ActionAnimation* ActionStripAnimation::getAnimation() const { return _animation.get(); }
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const ActionBlendIn* ActionStripAnimation::getBlendIn() const { return _blendIn.get(); }
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const ActionBlendOut* ActionStripAnimation::getBlendOut() const { return _blendOut.second.get(); }
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unsigned int ActionStripAnimation::getBlendOutStartFrame() const { return _blendOut.first; }
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unsigned int ActionStripAnimation::getLoop() const { return _animation->getLoop(); }
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ActionStripAnimation::ActionStripAnimation(const ActionStripAnimation& a, const osg::CopyOp& c) : Action(a,c)
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{
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_animation = a._animation;
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_blendIn = a._blendIn;
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_blendOut = a._blendOut;
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}
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ActionStripAnimation::ActionStripAnimation(Animation* animation, double blendInDuration, double blendOutDuration, double blendInWeightTarget)
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{
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_blendIn = new ActionBlendIn(animation, blendInDuration, blendInWeightTarget);
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_animation = new ActionAnimation(animation);
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unsigned int start = static_cast<unsigned int>(floor((_animation->getDuration() - blendOutDuration) * _fps));
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_blendOut = FrameBlendOut(start, new ActionBlendOut(animation, blendOutDuration));
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setName(animation->getName() + "_Strip");
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_blendIn->setName(_animation->getName() + "_" + _blendIn->getName());
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_blendOut.second->setName(_animation->getName() + "_" + _blendOut.second->getName());
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setDuration(animation->getDuration());
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}
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void ActionStripAnimation::setLoop(unsigned int loop)
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{
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_animation->setLoop(loop);
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if (!loop)
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setDuration(-1);
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else
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setDuration(loop * _animation->getDuration());
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// duration changed re evaluate the blendout duration
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unsigned int start = static_cast<unsigned int>(floor((getDuration() - _blendOut.second->getDuration()) * _fps));
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_blendOut = FrameBlendOut(start, _blendOut.second);
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}
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void ActionStripAnimation::traverse(ActionVisitor& visitor)
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{
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if (_blendIn.valid())
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{
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unsigned int f = visitor.getStackedFrameAction().back().first;
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visitor.pushFrameActionOnStack(FrameAction(f,_blendIn.get()));
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_blendIn->accept(visitor);
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visitor.popFrameAction();
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}
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if (_blendOut.second.valid())
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{
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unsigned int f = visitor.getStackedFrameAction().back().first;
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visitor.pushFrameActionOnStack(FrameAction(f + _blendOut.first,_blendOut.second.get()));
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_blendOut.second.get()->accept(visitor);
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visitor.popFrameAction();
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}
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if (_animation.valid())
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{
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unsigned int f = visitor.getStackedFrameAction().back().first;
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visitor.pushFrameActionOnStack(FrameAction(f,_animation.get()));
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_animation->accept(visitor);
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visitor.popFrameAction();
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}
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}
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