94 lines
2.2 KiB
Text
94 lines
2.2 KiB
Text
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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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* @file eggJointData.I
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* @author drose
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* @date 2001-02-23
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*/
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/**
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*
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*/
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INLINE EggJointData *EggJointData::
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get_parent() const {
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return _parent;
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}
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/**
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*
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*/
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INLINE int EggJointData::
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get_num_children() const {
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return _children.size();
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}
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/**
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*
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*/
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INLINE EggJointData *EggJointData::
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get_child(int n) const {
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nassertr(n >= 0 && n < (int)_children.size(), nullptr);
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return _children[n];
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}
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/**
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* Returns the first descendent joint found with the indicated name, or NULL
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* if no joint has that name.
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*/
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INLINE EggJointData *EggJointData::
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find_joint(const std::string &name) {
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EggJointData *joint = find_joint_exact(name);
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if (joint == nullptr) {
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joint = find_joint_matches(name);
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}
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return joint;
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}
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/**
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* Returns true if the joint knows its rest frame, false otherwise. In
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* general, this will be true as long as the joint is included in at least one
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* model file, or false if it appears only in animation files.
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*/
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INLINE bool EggJointData::
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has_rest_frame() const {
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return _has_rest_frame;
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}
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/**
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* Returns true if the rest frames for different models differ in their
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* initial value. This is not technically an error, but it is unusual enough
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* to be suspicious.
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*/
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INLINE bool EggJointData::
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rest_frames_differ() const {
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return _rest_frames_differ;
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}
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/**
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* Returns the rest frame of the joint. This is the matrix value that appears
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* for the joint in each model file; it should be the same transform in each
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* model.
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*/
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INLINE const LMatrix4d &EggJointData::
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get_rest_frame() const {
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nassertr(has_rest_frame(), LMatrix4d::ident_mat());
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return _rest_frame;
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}
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/**
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* Indicates an intention to change the parent of this joint to the indicated
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* joint, or NULL to remove it from the hierarchy. The joint is not
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* reparented immediately, but rather all of the joints are reparented at once
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* when do_reparent() is called.
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*/
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INLINE void EggJointData::
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reparent_to(EggJointData *new_parent) {
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_new_parent = new_parent;
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}
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