nuclear@54: /*
nuclear@54: goat3d - 3D scene, character, and animation file format library.
nuclear@54: Copyright (C) 2013-2014  John Tsiombikas <nuclear@member.fsf.org>
nuclear@54: 
nuclear@54: This program is free software: you can redistribute it and/or modify
nuclear@54: it under the terms of the GNU Lesser General Public License as published by
nuclear@54: the Free Software Foundation, either version 3 of the License, or
nuclear@54: (at your option) any later version.
nuclear@54: 
nuclear@54: This program is distributed in the hope that it will be useful,
nuclear@54: but WITHOUT ANY WARRANTY; without even the implied warranty of
nuclear@54: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
nuclear@54: GNU Lesser General Public License for more details.
nuclear@54: 
nuclear@54: You should have received a copy of the GNU Lesser General Public License
nuclear@54: along with this program.  If not, see <http://www.gnu.org/licenses/>.
nuclear@54: */
nuclear@0: #include <algorithm>
nuclear@0: #include <string.h>
nuclear@0: #include "node.h"
nuclear@0: 
nuclear@47: using namespace g3dimpl;
nuclear@47: 
nuclear@0: Node::Node()
nuclear@0: {
nuclear@8: 	obj = 0;
nuclear@75: 	bbox_valid = false;
nuclear@0: }
nuclear@0: 
nuclear@8: void Node::set_object(Object *obj)
nuclear@0: {
nuclear@8: 	this->obj = obj;
nuclear@75: 	bbox_valid = false;
nuclear@0: }
nuclear@0: 
nuclear@8: Object *Node::get_object()
nuclear@0: {
nuclear@75: 	bbox_valid = false;
nuclear@8: 	return obj;
nuclear@0: }
nuclear@0: 
nuclear@8: const Object *Node::get_object() const
nuclear@0: {
nuclear@8: 	return obj;
nuclear@0: }
nuclear@0: 
nuclear@75: const AABox &Node::get_bounds() const
nuclear@75: {
nuclear@75: 	if(!bbox_valid) {
nuclear@76: 		Matrix4x4 xform;
nuclear@76: 		get_xform(0, &xform);
nuclear@76: 		bbox = obj ? obj->get_bounds(xform) : AABox();
nuclear@75: 
nuclear@75: 		for(int i=0; i<get_children_count(); i++) {
nuclear@75: 			bbox = aabox_union(bbox, ((Node*)get_child(i))->get_bounds());
nuclear@75: 		}
nuclear@75: 		bbox_valid = true;
nuclear@75: 	}
nuclear@75: 
nuclear@75: 	return bbox;
nuclear@75: }
nuclear@75: 
nuclear@47: void g3dimpl::delete_node_tree(Node *n)
nuclear@0: {
nuclear@56: 	if(!n) return;
nuclear@56: 
nuclear@8: 	for(int i=0; i<n->get_children_count(); i++) {
nuclear@8: 		delete_node_tree((Node*)n->get_child(i));
nuclear@0: 	}
nuclear@8: 	delete n;
nuclear@0: }