/**
 * PANDA 3D SOFTWARE
 * Copyright (c) Carnegie Mellon University.  All rights reserved.
 *
 * All use of this software is subject to the terms of the revised BSD
 * license.  You should have received a copy of this license along
 * with this source code in a file named "LICENSE."
 *
 * @file nodeVertexTransform.h
 * @author drose
 * @date 2007-02-22
 */

#ifndef NODEVERTEXTRANSFORM_H
#define NODEVERTEXTRANSFORM_H

#include "pandabase.h"
#include "pandaNode.h"
#include "vertexTransform.h"

class FactoryParams;

/**
 * This VertexTransform gets its matrix from the Transform stored on a node.
 * It can also compose its node's transform with another VertexTransform,
 * allowing you to build up a chain of NodeVertexTransforms that represent a
 * list of composed matrices.
 */
class EXPCL_PANDA_GRUTIL NodeVertexTransform : public VertexTransform {
PUBLISHED:
  NodeVertexTransform(const PandaNode *node,
                      const VertexTransform *prev = nullptr);

  INLINE const PandaNode *get_node() const;
  INLINE const VertexTransform *get_prev() const;
  MAKE_PROPERTY(node, get_node);
  MAKE_PROPERTY(prev, get_prev);

  virtual void get_matrix(LMatrix4 &matrix) const;

  virtual void output(std::ostream &out) const;

private:
  CPT(PandaNode) _node;
  CPT(VertexTransform) _prev;

public:
  static TypeHandle get_class_type() {
    return _type_handle;
  }
  static void init_type() {
    VertexTransform::init_type();
    register_type(_type_handle, "NodeVertexTransform",
                  VertexTransform::get_class_type());
  }
  virtual TypeHandle get_type() const {
    return get_class_type();
  }
  virtual TypeHandle force_init_type() {init_type(); return get_class_type();}

private:
  static TypeHandle _type_handle;

  friend class RigidBodyCombiner;
};

#include "nodeVertexTransform.I"

#endif