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138 lines
5.0 KiB
138 lines
5.0 KiB
/* -*-c++-*- |
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* Copyright (C) 2008 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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* Authors: |
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* Cedric Pinson <cedric.pinson@plopbyte.net> |
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* Michael Platings <mplatings@pixelpower.com> |
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*/ |
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#ifndef OSGANIMATION_SAMPLER |
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#define OSGANIMATION_SAMPLER 1 |
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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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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(double 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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double getStartTime() const |
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{ |
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if (!_keyframes) |
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return 0.0; |
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return _keyframes->front().getTime(); |
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} |
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double getEndTime() const |
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{ |
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if (!_keyframes) |
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return 0.0; |
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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(double time, typename VALUESAMPLERTYPE::FunctorType::UsingType& result) |
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{ |
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double 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<DoubleStepInterpolator> DoubleStepSampler; |
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typedef TemplateSampler<FloatStepInterpolator> FloatStepSampler; |
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typedef TemplateSampler<Vec2StepInterpolator> Vec2StepSampler; |
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typedef TemplateSampler<Vec3StepInterpolator> Vec3StepSampler; |
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typedef TemplateSampler<Vec4StepInterpolator> Vec4StepSampler; |
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typedef TemplateSampler<QuatStepInterpolator> QuatStepSampler; |
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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<MatrixLinearInterpolator> MatrixLinearSampler; |
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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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