khanat-code-old/code/nel/include/nel/3d/bone.h
2014-08-19 01:57:20 +02:00

220 lines
7.2 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_BONE_H
#define NL_BONE_H
#include "nel/misc/types_nl.h"
#include "nel/3d/transformable.h"
#include "nel/3d/channel_mixer.h"
#include "nel/misc/smart_ptr.h"
#include "nel/misc/bsphere.h"
namespace NL3D
{
// ***************************************************************************
class IAnimCtrl;
class CSkeletonModel;
// ***************************************************************************
/**
* This is a bone default value. This object is stored in the SkeletonShape, and is serialised.
* For hierarchy of bones, it contains the id of his father.
* \author Lionel Berenguier
* \author Nevrax France
* \date 2001
*/
class CBoneBase : public NLMISC::CRefCount
{
public:
/// Name of this bone, for Animation access.
std::string Name;
/// The Inverse of bindpos for this bone.
CMatrix InvBindPos;
/// The Father of this bone. -1 means no one.
sint32 FatherId;
/// true if unheritScale from father (default==true).
bool UnheritScale;
/// Default tracks.
CTrackDefaultVector DefaultPos;
CTrackDefaultVector DefaultRotEuler;
CTrackDefaultQuat DefaultRotQuat;
CTrackDefaultVector DefaultScale;
CTrackDefaultVector DefaultPivot;
/// The distance at which the bone is disabled in the skeleton. If 0, never disable.
float LodDisableDistance;
/** Additionally to the standard scale, you can multiply the effect on the skin with a special SkinScale
* This scale is applied only on the skin (even son bones positions won't be affected)
* Default to (1,1,1)
*/
CVector SkinScale;
public:
/// ctor, with default pos as NULL (but scale as 1,1,1).
CBoneBase();
/// save/load.
void serial(NLMISC::IStream &f);
};
// ***************************************************************************
/**
* This is a bone, for skeleton animation, with information for result WorldMatrix.
* \author Lionel Berenguier
* \author Nevrax France
* \date 2001
*/
class CBone : public ITransformable
{
public:
/** Constructor. build a bone from a CBoneBase*.
* By default, a bone is in RotQuat transform mode.
* This ctor:
* - store a RefPtr on the bonebase (for getDefaultTracks() method). the refptr is just for nlassert.
* - copy the bonebase default track value into Animated Values Pos/Rot etc....
*/
CBone(CBoneBase *boneBase);
/// retrieve the boneName from BoneBase.
const std::string &getBoneName() const {nlassert(_BoneBase); return _BoneBase->Name;}
/// retrieve the fatherId from BoneBase.
sint32 getFatherId() const {nlassert(_BoneBase); return _BoneBase->FatherId;}
/// retrieve the boneBase
CBoneBase &getBoneBase() const {nlassert(_BoneBase); return *_BoneBase;}
/// \name Herited from ITransformable
// @{
/// retrieve the default track from skeleton shape.
virtual ITrack* getDefaultTrack (uint valueId);
/// register the ITransformable channels as detailled channels.
virtual void registerToChannelMixer(CChannelMixer *chanMixer, const std::string &prefix);
// @}
/** Compute the LocalSkeletonMatrix, the WorldMatrix, and the BoneSkinMatrix (for skinning).
* NB: the result localSkeletonMatrix depends on BoneBase::UnheritScale. \n
* NB: the result worldMatrix depends on BoneBase::UnheritScale. \n
* NB: the result boneSkinMatrix depends on BoneBase::InvBindPos. \n
* \param parent the parent of this bone (maybe NULL if root). His WorldMatrix is used, so it should be computed before.
* \param rootMatrix is used as father worldmatrix if parent==NULL. Useful for computing WorldMatrix.
* \param skeletonForAnimCtrl if NULL, no AnimCtrl is performed, else skeletonForAnimCtrl->getWorldMAtrix() should be == to rootMatrix
*/
void compute(CBone *parent, const CMatrix &rootMatrix, CSkeletonModel *skeletonForAnimCtrl);
/** Interpolate the current result of _BoneSkinMatrix with otherMatrix.
* when interp==0.f, _BoneSkinMatrix= otherMatrix.
* NB: the interpolation is made on per-vector basis => bad matrix interpolation.
*/
void interpolateBoneSkinMatrix(const CMatrix &otherMatrix, float interp);
/// retrieve the matrix local to the skeleton, computed in compute().
const CMatrix &getLocalSkeletonMatrix() const {return _LocalSkeletonMatrix;}
/// retrieve the WorldMatrix computed in compute().
const CMatrix &getWorldMatrix() const {return _WorldMatrix;}
/// retrieve the BoneSkinMatrix computed in compute().
const CMatrix &getBoneSkinMatrix() const {return _BoneSkinMatrix;}
/// enable the channels (lodEnable) associated to this bone in the channelMixer.
void lodEnableChannels(CChannelMixer *chanMixer, bool enable);
/** Force to eval the animation of that bone
* Useful when a bone position is needed, and if the father skeleton has been clipped (and thus not detail-animated)
* \param chanMixer the channel mixer to which that bone has been registered
*/
inline void forceAnimate(CChannelMixer &chanMixer);
/** Additionally to the standard scale, you can multiply the effect on the skin with a special SkinScale
* This scale is applied only on the skin (even son bones positions won't be affected)
* Default to (1,1,1)
*/
void setSkinScale(CVector &skinScale);
const CVector &getSkinScale() const {return _SkinScale;}
// *************************
public:
// Private to SkeletonModel. You should not set this ptr directly. see CSkeletonModel::setBoneAnimCtrl()
// The extra controller (IK...) on this bone
IAnimCtrl *_AnimCtrl;
// Private to SkeletonModel. This represent the max sphere for all skins around this bone
NLMISC::CBSphere _MaxSphere;
private:
// the boneBase of the skeletonShape which create this bone..
NLMISC::CRefPtr<CBoneBase> _BoneBase;
// The result Matrix, local to the skeleton.
CMatrix _LocalSkeletonMatrix;
// The result WorldMatrix.
CMatrix _WorldMatrix;
// The result Disaplcement _LocalSkeletonMatrix, local to the skeleton.
CMatrix _BoneSkinMatrix;
// The bkuped channelIds for each channel of the bone. -1 if not registered (or no tracks in animationSet).
sint _PosChannelId;
sint _RotEulerChannelId;
sint _RotQuatChannelId;
sint _ScaleChannelId;
sint _PivotChannelId;
// see setSkinScale()
CVector _SkinScale;
};
/////////////
// INLINES //
/////////////
inline void CBone::forceAnimate(CChannelMixer &chanMixer)
{
sint ids[] =
{
_PosChannelId,
_RotEulerChannelId,
_RotQuatChannelId,
_ScaleChannelId,
_PivotChannelId
};
chanMixer.evalChannels(ids, sizeof(ids) / sizeof(ids[0]));
}
} // NL3D
#endif // NL_BONE_H
/* End of bone.h */