khanat-code-old/code/nel/include/nel/3d/track_sampled_common.h

120 lines
3.3 KiB
C++

// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
// Copyright (C) 2010 Winch Gate Property Limited
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
#ifndef NL_TRACK_SAMPLED_COMMON_H
#define NL_TRACK_SAMPLED_COMMON_H
#include "nel/misc/types_nl.h"
#include "nel/misc/object_vector.h"
#include "nel/3d/track.h"
namespace NL3D {
// ***************************************************************************
/**
* Abstract Base class for CTrackSampledQuat and CTrackSampledVector
*
* \author Lionel Berenguier
* \author Nevrax France
* \date 2002
*/
class CTrackSampledCommon : public ITrack
{
public:
/// Constructor
CTrackSampledCommon();
virtual ~CTrackSampledCommon();
/// From UTrack/ITrack.
// @{
virtual bool getLoopMode() const;
virtual TAnimationTime getBeginTime () const;
virtual TAnimationTime getEndTime () const;
// @}
/// Change the loop mode. true default
void setLoopMode(bool mode);
// **********************
protected:
// Param of animation
bool _LoopMode;
float _BeginTime;
float _EndTime;
float _TotalRange;
float _OOTotalRange;
// The frame Time == (_EndTime-_BeginTime)/NumKeys
float _DeltaTime;
float _OODeltaTime;
// Typically, there is only one TimeBlock, for anim < 8.5 seconds (256/30 fps == 8.5 second).
class CTimeBlock
{
public:
// Value to add to the key in the array to have real frame value.
uint16 TimeOffset;
// Value to add to the index to have Key index in _Keys.
uint32 KeyOffset;
// Key Time. Separated for optimal memory packing, and better cache use at dichotomy search
NLMISC::CObjectVector<uint8, false> Times;
// For dicho comp
bool operator<=(const CTimeBlock &tb) const
{
return TimeOffset <= tb.TimeOffset;
}
void serial(NLMISC::IStream &f);
};
// Time Values
NLMISC::CObjectVector<CTimeBlock> _TimeBlocks;
protected:
enum TEvalType {EvalDiscard, EvalKey0, EvalInterpolate};
// called by sons.
TEvalType evalTime (const TAnimationTime& date, uint numKeys, uint &keyId0, uint &keyId1, float &interpValue);
// called by sons.
void serialCommon(NLMISC::IStream &f);
/** Build the track time from a list of Keys.
* \param timeList the list of key time. First must be ==0. nlassert if difference between 2 keys is > 255
* \param beginTime map to the timeList[0] time.
* \param endTime map to the timeList[size-1] time.
*/
void buildCommon(const std::vector<uint16> &timeList, float beginTime, float endTime);
/// used by derivers
void applySampleDivisorCommon(uint sampleDivisor, std::vector<uint32> &keepKeys);
};
} // NL3D
#endif // NL_TRACK_SAMPLED_COMMON_H
/* End of track_sampled_common.h */