96 lines
2.9 KiB
C++
96 lines
2.9 KiB
C++
// Filename: jointVertexTransform.h
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// Created by: drose (24Mar05)
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//
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////////////////////////////////////////////////////////////////////
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//
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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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////////////////////////////////////////////////////////////////////
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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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// Class : JointVertexTransform
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// Description : This is a specialization on VertexTransform that
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// returns the transform necessary to move vertices as
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// if they were assigned to the indicated joint. The
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// geometry itself should be parented to the scene graph
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// at the level of the character's root joint; that is,
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// it should not be parented under a node directly
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// animated by any joints.
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//
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// Multiple combinations of these with different weights
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// are used to implement soft-skinned vertices for an
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// 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(LMatrix4f &matrix) const;
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virtual void mult_matrix(LMatrix4f &result, const LMatrix4f &previous) const;
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virtual void accumulate_matrix(LMatrix4f &accum, float weight) const;
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virtual void output(ostream &out) const;
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private:
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INLINE void check_matrix() const;
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void compute_matrix();
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PT(CharacterJoint) _joint;
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LMatrix4f _matrix;
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bool _matrix_stale;
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LightMutex _lock;
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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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