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120 lines
3.3 KiB
C++
120 lines
3.3 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_COMMON_H
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#define NL_TRACK_SAMPLED_COMMON_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/3d/track.h"
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namespace NL3D {
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// ***************************************************************************
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/**
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* Abstract Base class for CTrackSampledQuat and CTrackSampledVector
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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 CTrackSampledCommon : public ITrack
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{
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public:
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/// Constructor
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CTrackSampledCommon();
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virtual ~CTrackSampledCommon();
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/// From UTrack/ITrack.
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// @{
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virtual bool getLoopMode() const;
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virtual TAnimationTime getBeginTime () const;
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virtual TAnimationTime getEndTime () const;
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// @}
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/// Change the loop mode. true default
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void setLoopMode(bool mode);
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// **********************
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protected:
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// Param of animation
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bool _LoopMode;
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float _BeginTime;
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float _EndTime;
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float _TotalRange;
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float _OOTotalRange;
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// The frame Time == (_EndTime-_BeginTime)/NumKeys
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float _DeltaTime;
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float _OODeltaTime;
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// Typically, there is only one TimeBlock, for anim < 8.5 seconds (256/30 fps == 8.5 second).
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class CTimeBlock
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{
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public:
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// Value to add to the key in the array to have real frame value.
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uint16 TimeOffset;
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// Value to add to the index to have Key index in _Keys.
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uint32 KeyOffset;
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// Key Time. Separated for optimal memory packing, and better cache use at dichotomy search
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NLMISC::CObjectVector<uint8, false> Times;
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// For dicho comp
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bool operator<=(const CTimeBlock &tb) const
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{
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return TimeOffset <= tb.TimeOffset;
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}
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void serial(NLMISC::IStream &f);
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};
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// Time Values
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NLMISC::CObjectVector<CTimeBlock> _TimeBlocks;
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protected:
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enum TEvalType {EvalDiscard, EvalKey0, EvalInterpolate};
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// called by sons.
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TEvalType evalTime (const TAnimationTime& date, uint numKeys, uint &keyId0, uint &keyId1, float &interpValue);
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// called by sons.
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void serialCommon(NLMISC::IStream &f);
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/** Build the track time from a list of Keys.
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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 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 buildCommon(const std::vector<uint16> &timeList, float beginTime, float endTime);
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/// used by derivers
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void applySampleDivisorCommon(uint sampleDivisor, std::vector<uint32> &keepKeys);
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};
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} // NL3D
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#endif // NL_TRACK_SAMPLED_COMMON_H
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/* End of track_sampled_common.h */
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