125 lines
4.5 KiB
C++
125 lines
4.5 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_SAMPLER_H
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#define OSGANIMATION_SAMPLER_H
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#include <vector>
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#include <iostream>
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#include <osg/Referenced>
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#include <osg/ref_ptr>
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#include <osgAnimation/Keyframe>
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#include <osgAnimation/Interpolator>
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#include <osgAnimation/Assert>
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namespace osgAnimation
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{
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class Sampler : public osg::Referenced
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{
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public:
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virtual KeyframeContainer* getKeyframeContainer() = 0;
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virtual const KeyframeContainer* getKeyframeContainer() const = 0;
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protected:
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};
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// Sampler generic
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template <class F>
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class TemplateSampler : public Sampler
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{
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public:
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typedef typename F::KeyframeType KeyframeType;
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typedef TemplateKeyframeContainer<KeyframeType> KeyframeContainerType;
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typedef typename F::UsingType UsingType;
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typedef F FunctorType;
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TemplateSampler() {}
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~TemplateSampler() {}
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void getValueAt(float time, UsingType& result) const { _functor.getValue(*_keyframes, time, result);}
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void setKeyframeContainer(KeyframeContainerType* kf) { _keyframes = kf;}
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virtual KeyframeContainer* getKeyframeContainer() { return _keyframes.get(); }
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virtual const KeyframeContainer* getKeyframeContainer() const { return _keyframes.get();}
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KeyframeContainerType* getKeyframeContainerTyped() { return _keyframes.get();}
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const KeyframeContainerType* getKeyframeContainerTyped() const { return _keyframes.get();}
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KeyframeContainerType* getOrCreateKeyframeContainer()
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{
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if (_keyframes != 0)
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return _keyframes.get();
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_keyframes = new KeyframeContainerType;
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return _keyframes.get();
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}
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float getStartTime() const
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{
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OSGANIMATION_ASSERT(_keyframes.valid() && !_keyframes->empty() && "no keyframes");
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return _keyframes->front().getTime();
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}
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float getEndTime() const
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{
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OSGANIMATION_ASSERT(_keyframes.valid() && !_keyframes->empty() && "no keyframes");
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return _keyframes->back().getTime();
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}
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protected:
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FunctorType _functor;
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osg::ref_ptr<KeyframeContainerType> _keyframes;
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};
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template<typename VALUESAMPLERTYPE, typename TIMESAMPLERTYPE>
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class TemplateCompositeSampler : public osg::Referenced
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{
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VALUESAMPLERTYPE& _value;
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TIMESAMPLERTYPE& _time;
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public:
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typedef typename VALUESAMPLERTYPE::FunctorType::UsingType UsingType;
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typedef typename VALUESAMPLERTYPE::FunctorType::KeyframeType KeyframeType;
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TemplateCompositeSampler(VALUESAMPLERTYPE& value, TIMESAMPLERTYPE& time) : _value(value), _time(time)
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{
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}
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void getValueAt(float time, typename VALUESAMPLERTYPE::FunctorType::UsingType& result)
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{
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float newtime;
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_time.getValueAt(time, newtime);
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_value.getValueAt(newtime, result);
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}
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float getStartTime() const {return _time.getStartTime(); }
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float getEndTime() const {return _time.getEndTime();}
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};
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typedef TemplateSampler<DoubleLinearInterpolator> DoubleLinearSampler;
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typedef TemplateSampler<FloatLinearInterpolator> FloatLinearSampler;
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typedef TemplateSampler<Vec2LinearInterpolator> Vec2LinearSampler;
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typedef TemplateSampler<Vec3LinearInterpolator> Vec3LinearSampler;
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typedef TemplateSampler<Vec4LinearInterpolator> Vec4LinearSampler;
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typedef TemplateSampler<QuatSphericalLinearInterpolator> QuatSphericalLinearSampler;
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typedef TemplateSampler<FloatCubicBezierInterpolator> FloatCubicBezierSampler;
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typedef TemplateSampler<DoubleCubicBezierInterpolator> DoubleCubicBezierSampler;
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typedef TemplateSampler<Vec2CubicBezierInterpolator> Vec2CubicBezierSampler;
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typedef TemplateSampler<Vec3CubicBezierInterpolator> Vec3CubicBezierSampler;
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typedef TemplateSampler<Vec4CubicBezierInterpolator> Vec4CubicBezierSampler;
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}
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#endif
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