/**
 * 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 eggVertexPool.I
 * @author drose
 * @date 1999-01-16
 */

/**
 * Returns true if the indicated vertex has been defined in the vertex pool,
 * false otherwise.  This does not include forward references.
 */
INLINE bool EggVertexPool::
has_vertex(int index) const {
  return get_vertex(index) != nullptr;
}

/**
 * Returns the vertex in the pool with the indicated index number, or NULL if
 * no vertices have that index number.
 */
INLINE EggVertex *EggVertexPool::
operator [](int index) const {
  return get_vertex(index);
}

/**
 * Allocates and returns a new vertex from the pool.  This is one of three
 * ways to add new vertices to a vertex pool.
 */
INLINE EggVertex *EggVertexPool::
make_new_vertex() {
  PT(EggVertex) vertex = new EggVertex;
  return add_vertex(vertex);
}

/**
 * Allocates and returns a new vertex from the pool.  This is one of three
 * ways to add new vertices to a vertex pool.
 *
 * This flavor of make_new_vertex() explicitly sets the vertex position as it
 * is allocated.  It does not attempt to share vertices.
 */
INLINE EggVertex *EggVertexPool::
make_new_vertex(double pos) {
  EggVertex *vertex = make_new_vertex();
  vertex->set_pos(pos);
  return vertex;
}

/**
 * Allocates and returns a new vertex from the pool.  This is one of three
 * ways to add new vertices to a vertex pool.
 *
 * This flavor of make_new_vertex() explicitly sets the vertex position as it
 * is allocated.  It does not attempt to share vertices.
 */
INLINE EggVertex *EggVertexPool::
make_new_vertex(const LPoint2d &pos) {
  EggVertex *vertex = make_new_vertex();
  vertex->set_pos(pos);
  return vertex;
}

/**
 * Allocates and returns a new vertex from the pool.  This is one of three
 * ways to add new vertices to a vertex pool.
 *
 * This flavor of make_new_vertex() explicitly sets the vertex position as it
 * is allocated.  It does not attempt to share vertices.
 */
INLINE EggVertex *EggVertexPool::
make_new_vertex(const LPoint3d &pos) {
  EggVertex *vertex = make_new_vertex();
  vertex->set_pos(pos);
  return vertex;
}

/**
 * Allocates and returns a new vertex from the pool.  This is one of three
 * ways to add new vertices to a vertex pool.
 *
 * This flavor of make_new_vertex() explicitly sets the vertex position as it
 * is allocated.  It does not attempt to share vertices.
 */
INLINE EggVertex *EggVertexPool::
make_new_vertex(const LPoint4d &pos) {
  EggVertex *vertex = make_new_vertex();
  vertex->set_pos(pos);
  return vertex;
}