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#ifndef OPENMW_COMPONENTS_OSGAEXTENSION_RIGGEOMETRY_H
#define OPENMW_COMPONENTS_OSGAEXTENSION_RIGGEOMETRY_H
#include <array>
#include <osg/Drawable>
#include <osgAnimation/RigGeometry>
#include <osg/NodeVisitor>
namespace SceneUtil
{
/// @brief Custom RigGeometry-class for osgAnimation-formats (collada)
class OsgaRigGeometry : public osgAnimation::RigGeometry
{
public:
OsgaRigGeometry();
OsgaRigGeometry(const osgAnimation::RigGeometry& copy, const osg::CopyOp& copyop = osg::CopyOp::SHALLOW_COPY);
OsgaRigGeometry(const OsgaRigGeometry& copy, const osg::CopyOp& copyop = osg::CopyOp::SHALLOW_COPY);
META_Object(SceneUtil, OsgaRigGeometry)
void computeMatrixFromRootSkeleton(osg::MatrixList mtxList);
};
/// @brief OpenMW-compatible double buffered static datavariance version of osgAnimation::RigGeometry
/// This class is based on osgAnimation::RigGeometry and SceneUtil::RigGeometry
class RigGeometryHolder : public osg::Drawable
{
public:
RigGeometryHolder();
RigGeometryHolder(const RigGeometryHolder& copy, const osg::CopyOp& copyop);
RigGeometryHolder(const osgAnimation::RigGeometry& copy, const osg::CopyOp& copyop);
META_Object(SceneUtil, RigGeometryHolder)
void setSourceRigGeometry(osg::ref_ptr<OsgaRigGeometry> sourceRigGeometry);
osg::ref_ptr<OsgaRigGeometry> getSourceRigGeometry() const;
/// @brief Modified rig update, code based on osgAnimation::UpdateRigGeometry : public
/// osg::Drawable::UpdateCallback
void updateRigGeometry(OsgaRigGeometry* geom, osg::NodeVisitor* nv);
OsgaRigGeometry* getGeometry(int geometry);
void accept(osg::NodeVisitor& nv) override;
void accept(osg::PrimitiveFunctor&) const override;
bool supports(const osg::PrimitiveFunctor&) const override { return true; }
void setBackToOrigin(osg::MatrixTransform* backToOrigin) { mBackToOrigin = backToOrigin; }
void setBodyPart(bool isBodyPart) { mIsBodyPart = isBodyPart; }
private:
std::array<osg::ref_ptr<OsgaRigGeometry>, 2> mGeometry;
osg::ref_ptr<OsgaRigGeometry> mSourceRigGeometry;
osg::MatrixTransform* mBackToOrigin; // This is used to move riggeometries from their slot locations to skeleton
// origin in order to get correct deformations for bodyparts
unsigned int mLastFrameNumber;
bool mIsBodyPart;
void updateBackToOriginTransform(OsgaRigGeometry* geometry);
OsgaRigGeometry* getRigGeometryPerFrame(unsigned int frame) const;
};
}
#endif
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