146 lines
4.7 KiB
C++
146 lines
4.7 KiB
C++
/* -*-c++-*-
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* Copyright (C) 2008 Cedric Pinson <mornifle@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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#ifndef OSGANIMATION_CHANNEL_H
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#define OSGANIMATION_CHANNEL_H
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#include <osgAnimation/Export>
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#include <osgAnimation/Sampler>
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#include <osgAnimation/Target>
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#include <osg/Referenced>
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#include <string>
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namespace osgAnimation
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{
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class OSGANIMATION_EXPORT Channel : public osg::Referenced
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{
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public:
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Channel();
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Channel(const Channel& channel);
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virtual ~Channel();
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virtual Channel* clone() const = 0;
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virtual void update(float time) = 0;
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virtual void reset() = 0;
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virtual Target* getTarget() = 0;
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const std::string& getName() const;
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void setName(const std::string& name);
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virtual float getStartTime() const = 0;
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virtual float getEndTime() const = 0;
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const std::string& getTargetName() const;
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void setTargetName(const std::string& name);
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float getWeight() const;
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void setWeight(float w);
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virtual Sampler* getSampler() = 0;
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virtual const Sampler* getSampler() const = 0;
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protected:
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std::string _targetName;
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std::string _name;
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float _weight;
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};
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template <typename SamplerType>
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class TemplateChannel : public Channel
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{
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public:
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typedef typename SamplerType::UsingType UsingType;
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typedef TemplateTarget<UsingType> TargetType;
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typedef TemplateKeyframeContainer<typename SamplerType::KeyframeType> KeyframeContainerType;
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Channel* clone() const { return new TemplateChannel<SamplerType>(*this); }
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TemplateChannel (const TemplateChannel& channel) :
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Channel(channel),
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_target(new TargetType),
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_sampler(channel._sampler.get())
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{
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}
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TemplateChannel (SamplerType* s = 0,TargetType* target = 0)
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{
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if (target)
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_target = target;
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else
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_target = new TargetType;
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_sampler = s;
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}
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virtual ~TemplateChannel() {}
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virtual void update(float time)
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{
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// skip if weight == 0
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if (_weight < 1e-4)
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return;
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typename SamplerType::UsingType value;
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_sampler->getValueAt(time, value);
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_target->update(_weight, value);
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}
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virtual void reset() { _target->reset(); }
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virtual Target* getTarget() { return _target.get();}
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SamplerType* getOrCreateSampler()
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{
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if (!_sampler.valid())
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_sampler = new SamplerType;
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return _sampler.get();
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}
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Sampler* getSampler() { return _sampler.get(); }
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const Sampler* getSampler() const { return _sampler.get(); }
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SamplerType* getSamplerTyped() { return _sampler.get();}
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const SamplerType* getSamplerTyped() const { return _sampler.get();}
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void setSampler(SamplerType* sampler) { _sampler = sampler; }
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TargetType* getTargetTyped() { return _target.get(); }
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void setTarget(TargetType* target) { _target = target; }
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virtual float getStartTime() const { return _sampler->getStartTime(); }
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virtual float getEndTime() const { return _sampler->getEndTime(); }
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protected:
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osg::ref_ptr<TargetType> _target;
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osg::ref_ptr<SamplerType> _sampler;
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};
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typedef std::vector<osg::ref_ptr<osgAnimation::Channel> > ChannelList;
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typedef TemplateChannel<DoubleLinearSampler> DoubleLinearChannel;
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typedef TemplateChannel<FloatLinearSampler> FloatLinearChannel;
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typedef TemplateChannel<Vec2LinearSampler> Vec2LinearChannel;
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typedef TemplateChannel<Vec3LinearSampler> Vec3LinearChannel;
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typedef TemplateChannel<Vec4LinearSampler> Vec4LinearChannel;
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typedef TemplateChannel<QuatSphericalLinearSampler> QuatSphericalLinearChannel;
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typedef TemplateChannel<FloatCubicBezierSampler> FloatCubicBezierChannel;
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typedef TemplateChannel<DoubleCubicBezierSampler> DoubleCubicBezierChannel;
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typedef TemplateChannel<Vec2CubicBezierSampler> Vec2CubicBezierChannel;
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typedef TemplateChannel<Vec3CubicBezierSampler> Vec3CubicBezierChannel;
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typedef TemplateChannel<Vec4CubicBezierSampler> Vec4CubicBezierChannel;
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}
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#endif
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