99 lines
2.8 KiB
C++
99 lines
2.8 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/Action>
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using namespace osgAnimation;
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Action::Action()
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{
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_numberFrame = 25;
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_fps = 25;
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_speed = 1.0;
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_loop = 1;
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_state = Stop;
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}
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Action::Action(const Action&rhs,const osg::CopyOp& copyop):
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osg::Object(rhs, copyop)
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{
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_numberFrame = rhs._numberFrame;
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_fps = rhs._fps;
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_speed = rhs._speed;
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_loop = rhs._loop;
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_state = Stop;
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}
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Action::Callback* Action::getFrameCallback(unsigned int frame)
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{
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if (_framesCallback.find(frame) != _framesCallback.end())
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{
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return _framesCallback[frame].get();
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}
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return 0;
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}
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void Action::removeCallback(Callback* cb)
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{
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std::vector<unsigned int> keyToRemove;
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for (FrameCallback::iterator it = _framesCallback.begin(); it != _framesCallback.end(); ++it)
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{
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if (it->second.get())
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{
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if (it->second.get() == cb)
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{
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it->second = it->second->getNestedCallback();
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if (!it->second.valid())
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keyToRemove.push_back(it->first);
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}
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else
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{
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it->second->removeCallback(cb);
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}
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}
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}
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for (std::vector<unsigned int>::iterator it = keyToRemove.begin(); it != keyToRemove.end(); ++it)
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_framesCallback.erase(*it);
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}
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Action::Callback* Action::getFrameCallback(double time)
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{
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unsigned int frame = static_cast<unsigned int>(floor(time * _fps));
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return getFrameCallback(frame);
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}
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bool osgAnimation::Action::evaluateFrame(unsigned int frame, unsigned int& resultframe, unsigned int& nbloop )
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{
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unsigned int nbFrames = getNumFrames();
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if (!nbFrames) {
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nbFrames = 1;
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osg::notify(osg::WARN) << "osgAnimation::Action::evaluateFrame your action " << getName() << " has 0 frames, it seems like an error in the data" << std::endl;
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}
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nbloop = frame / nbFrames;
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resultframe = frame;
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if (frame > nbFrames-1)
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{
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if (!getLoop())
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resultframe = frame % nbFrames;
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else
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{
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if (nbloop >= getLoop())
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return false;
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else
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resultframe = frame % nbFrames;
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}
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}
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return true;
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}
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