83 lines
2.4 KiB
C++
83 lines
2.4 KiB
C++
/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file jointVertexTransform.h
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* @author drose
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* @date 2005-03-24
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*/
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#ifndef JOINTVERTEXTRANSFORM_H
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#define JOINTVERTEXTRANSFORM_H
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#include "pandabase.h"
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#include "characterJoint.h"
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#include "vertexTransform.h"
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#include "pointerTo.h"
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#include "lightMutex.h"
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/**
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* This is a specialization on VertexTransform that returns the transform
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* necessary to move vertices as if they were assigned to the indicated joint.
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* The geometry itself should be parented to the scene graph at the level of
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* the character's root joint; that is, it should not be parented under a node
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* directly animated by any joints.
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*
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* Multiple combinations of these with different weights are used to implement
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* soft-skinned vertices for an animated character.
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*/
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class EXPCL_PANDA_CHAR JointVertexTransform : public VertexTransform {
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private:
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JointVertexTransform();
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PUBLISHED:
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JointVertexTransform(CharacterJoint *joint);
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virtual ~JointVertexTransform();
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INLINE const CharacterJoint *get_joint() const;
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virtual void get_matrix(LMatrix4 &matrix) const;
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virtual void mult_matrix(LMatrix4 &result, const LMatrix4 &previous) const;
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virtual void accumulate_matrix(LMatrix4 &accum, PN_stdfloat weight) const;
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virtual void output(std::ostream &out) const;
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private:
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PT(CharacterJoint) _joint;
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public:
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static void register_with_read_factory();
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virtual void write_datagram(BamWriter *manager, Datagram &dg);
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virtual int complete_pointers(TypedWritable **plist, BamReader *manager);
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protected:
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static TypedWritable *make_from_bam(const FactoryParams ¶ms);
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void fillin(DatagramIterator &scan, BamReader *manager);
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public:
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static TypeHandle get_class_type() {
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return _type_handle;
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}
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static void init_type() {
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VertexTransform::init_type();
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register_type(_type_handle, "JointVertexTransform",
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VertexTransform::get_class_type());
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}
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virtual TypeHandle get_type() const {
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return get_class_type();
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}
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virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
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private:
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static TypeHandle _type_handle;
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friend class CharacterJoint;
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};
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#include "jointVertexTransform.I"
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#endif
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