OpenSceneGraph/include/osgAnimation/RigTransformHardware
2017-08-28 17:01:03 +02:00

88 lines
2.7 KiB
C++

/* -*-c++-*-
* Copyright (C) 2009 Cedric Pinson <cedric.pinson@plopbyte.net>
* Copyright (C) 2017 Julien Valentin <mp3butcher@hotmail.com>
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
* This library 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
* OpenSceneGraph Public License for more details.
*/
#ifndef OSGANIMATION_RIG_TRANSFORM_HARDWARE
#define OSGANIMATION_RIG_TRANSFORM_HARDWARE 1
#include <osgAnimation/Export>
#include <osgAnimation/RigTransform>
#include <osgAnimation/VertexInfluence>
#include <osgAnimation/Bone>
#include <osg/Matrix>
#include <osg/Array>
namespace osgAnimation
{
class RigGeometry;
/// This class manage format for hardware skinning
class OSGANIMATION_EXPORT RigTransformHardware : public RigTransform
{
public:
RigTransformHardware();
RigTransformHardware(const RigTransformHardware& rth, const osg::CopyOp& copyop);
META_Object(osgAnimation,RigTransformHardware);
typedef osg::Matrix MatrixType;
typedef std::vector<osg::ref_ptr<osg::Vec4Array> > BoneWeightAttribList;
typedef std::vector<osg::ref_ptr<Bone> > BonePalette;
typedef std::map<std::string, unsigned int> BoneNamePaletteIndex;
typedef std::vector<osg::Matrix> MatrixPalette;
osg::Vec4Array* getVertexAttrib(unsigned int index);
unsigned int getNumVertexAttrib();
osg::Uniform* getMatrixPaletteUniform();
void computeMatrixPaletteUniform(const osg::Matrix& transformFromSkeletonToGeometry, const osg::Matrix& invTransformFromSkeletonToGeometry);
unsigned int getNumBonesPerVertex() const;
unsigned int getNumVertexes() const;
virtual void operator()(RigGeometry&);
virtual bool prepareData(RigGeometry& );
void setShader(osg::Shader*);
const BoneNamePaletteIndex& getBoneNameToPalette() {
return _boneNameToPalette;
}
protected:
osg::Uniform* createVertexUniform();
unsigned int _bonesPerVertex;
unsigned int _nbVertexes;
BonePalette _bonePalette;
BoneNamePaletteIndex _boneNameToPalette;
BoneWeightAttribList _boneWeightAttribArrays;
osg::ref_ptr<osg::Uniform> _uniformMatrixPalette;
osg::ref_ptr<osg::Shader> _shader;
bool _needInit;
bool buildPalette(BoneMap&boneMap ,RigGeometry&rig);
};
}
#endif