mirror of
https://github.com/OpenMW/openmw.git
synced 2025-10-30 21:56:39 +00:00
94 lines
3.4 KiB
C++
94 lines
3.4 KiB
C++
#ifndef OPENMW_COMPONENTS_MORPHGEOMETRY_H
|
|
#define OPENMW_COMPONENTS_MORPHGEOMETRY_H
|
|
|
|
#include <osg/Geometry>
|
|
|
|
namespace SceneUtil
|
|
{
|
|
|
|
/// @brief Vertex morphing implementation.
|
|
/// @note The internal Geometry used for rendering is double buffered, this allows updates to be done in a thread
|
|
/// safe way while not compromising rendering performance. This is crucial when using osg's default threading model
|
|
/// of DrawThreadPerContext.
|
|
class MorphGeometry : public osg::Drawable
|
|
{
|
|
public:
|
|
MorphGeometry();
|
|
MorphGeometry(const MorphGeometry& copy, const osg::CopyOp& copyop);
|
|
|
|
META_Object(SceneUtil, MorphGeometry)
|
|
|
|
/// Initialize this geometry from the source geometry.
|
|
/// @note The source geometry will not be modified.
|
|
void setSourceGeometry(osg::ref_ptr<osg::Geometry> sourceGeom);
|
|
|
|
// Currently empty as this is difficult to implement. Technically we would need to compile both internal
|
|
// geometries in separate frames but this method is only called once. Alternatively we could compile just the
|
|
// static parts of the model.
|
|
void compileGLObjects(osg::RenderInfo& renderInfo) const override {}
|
|
|
|
class MorphTarget
|
|
{
|
|
protected:
|
|
osg::ref_ptr<osg::Vec3Array> mOffsets;
|
|
float mWeight;
|
|
|
|
public:
|
|
MorphTarget(osg::Vec3Array* offsets, float w = 1.0)
|
|
: mOffsets(offsets)
|
|
, mWeight(w)
|
|
{
|
|
}
|
|
void setWeight(float weight) { mWeight = weight; }
|
|
float getWeight() const { return mWeight; }
|
|
osg::Vec3Array* getOffsets() { return mOffsets.get(); }
|
|
const osg::Vec3Array* getOffsets() const { return mOffsets.get(); }
|
|
void setOffsets(osg::Vec3Array* offsets) { mOffsets = offsets; }
|
|
};
|
|
|
|
typedef std::vector<MorphTarget> MorphTargetList;
|
|
|
|
virtual void addMorphTarget(osg::Vec3Array* offsets, float weight = 1.0);
|
|
|
|
/** Set the MorphGeometry dirty.*/
|
|
void dirty();
|
|
|
|
/** Get the list of MorphTargets.*/
|
|
const MorphTargetList& getMorphTargetList() const { return mMorphTargets; }
|
|
|
|
/** Get the list of MorphTargets. Warning if you modify this array you will have to call dirty() */
|
|
MorphTargetList& getMorphTargetList() { return mMorphTargets; }
|
|
|
|
/** Return the \c MorphTarget at position \c i.*/
|
|
inline const MorphTarget& getMorphTarget(unsigned int i) const { return mMorphTargets[i]; }
|
|
|
|
/** Return the \c MorphTarget at position \c i.*/
|
|
inline MorphTarget& getMorphTarget(unsigned int i) { return mMorphTargets[i]; }
|
|
|
|
osg::ref_ptr<osg::Geometry> getSourceGeometry() const;
|
|
|
|
void accept(osg::NodeVisitor& nv) override;
|
|
bool supports(const osg::PrimitiveFunctor&) const override { return true; }
|
|
void accept(osg::PrimitiveFunctor&) const override;
|
|
|
|
osg::BoundingBox computeBoundingBox() const override;
|
|
|
|
private:
|
|
void cull(osg::NodeVisitor* nv);
|
|
|
|
MorphTargetList mMorphTargets;
|
|
|
|
osg::ref_ptr<osg::Geometry> mSourceGeometry;
|
|
|
|
osg::ref_ptr<osg::Geometry> mGeometry[2];
|
|
osg::Geometry* getGeometry(unsigned int frame) const;
|
|
|
|
unsigned int mLastFrameNumber;
|
|
bool mDirty; // Have any morph targets changed?
|
|
|
|
mutable bool mMorphedBoundingBox;
|
|
};
|
|
|
|
}
|
|
|
|
#endif
|