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84 lines
2.9 KiB
C++
84 lines
2.9 KiB
C++
// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
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// Copyright (C) 2010 Winch Gate Property Limited
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program 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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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#ifndef NL_TRACK_SAMPLED_VECTOR_H
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#define NL_TRACK_SAMPLED_VECTOR_H
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#include "nel/misc/types_nl.h"
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#include "nel/misc/object_vector.h"
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#include "nel/misc/quat.h"
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#include "nel/3d/track_sampled_common.h"
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namespace NL3D {
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// ***************************************************************************
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/**
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* This track is supposed to be Lighter in memory than CTrackKeyFramerTCBVector, and also is maybe faster.
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* The track is an oversampled version of CTrackKeyFramerTCBVector (or any vector interpolator), to 30 fps for example,
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* but each key is 13 bytes in memory, instead of 96.
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* Only linear interpolation is performed between 2 keys. And Keys are precomputed
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*
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* 13 bytes per key is achieved by encoding this way:
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* 1 byte for the length/key time, measured in samples, and not in second (hence we can skip at max 255 keys).
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* 12 byte for the position. May be compressed in future to 6 bytes.
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*
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* \author Lionel Berenguier
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* \author Nevrax France
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* \date 2002
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*/
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class CTrackSampledVector : public CTrackSampledCommon
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{
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public:
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/// Constructor
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CTrackSampledVector();
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virtual ~CTrackSampledVector();
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NLMISC_DECLARE_CLASS (CTrackSampledVector);
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/// From UTrack/ITrack.
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// @{
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virtual const IAnimatedValue &eval (const TAnimationTime& date, CAnimatedValueBlock &avBlock);
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virtual void serial(NLMISC::IStream &f);
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virtual void applySampleDivisor(uint sampleDivisor);
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// @}
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/** Build the track from a list of keys
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* nlassert if ! same length.
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* \param timeList the list of key time. First must be ==0. nlassert if difference between 2 keys is > 255
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* \param keyList the list of keys, not yet compressed (done internally in future)
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* \param beginTime map to the timeList[0] time.
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* \param endTime map to the timeList[size-1] time.
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*/
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void build(const std::vector<uint16> &timeList, const std::vector<CVector> &keyList,
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float beginTime, float endTime);
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// **********************
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protected:
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// Key Values
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NLMISC::CObjectVector<CVector, false> _Keys;
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};
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} // NL3D
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#endif // NL_TRACK_SAMPLED_VECTOR_H
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/* End of track_sampled_vector.h */
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