1 // Copyright (C) 2010 Tim Moore (timoore33@gmail.com)
3 // This library is free software; you can redistribute it and/or
4 // modify it under the terms of the GNU Library General Public
5 // License as published by the Free Software Foundation; either
6 // version 2 of the License, or (at your option) any later version.
8 // This library is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 // Library General Public License for more details.
13 // You should have received a copy of the GNU General Public License
14 // along with this program; if not, write to the Free Software
15 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
19 # include <simgear_config.h>
22 #include "ConditionNode.hxx"
24 #include <osgDB/Registry>
25 #include <osgDB/Output>
27 #include <simgear/math/SGMath.hxx>
33 ConditionNode::ConditionNode()
37 ConditionNode::ConditionNode(const ConditionNode& rhs, const CopyOp& op)
38 : Group(rhs, op), _condition(rhs._condition)
42 ConditionNode::~ConditionNode()
46 void ConditionNode::traverse(NodeVisitor& nv)
48 if (nv.getTraversalMode() == NodeVisitor::TRAVERSE_ACTIVE_CHILDREN) {
49 unsigned numChildren = getNumChildren();
52 if (!_condition || _condition->test())
53 getChild(0)->accept(nv);
54 else if (numChildren > 1)
55 getChild(1)->accept(nv);
65 bool ConditionNode_writeLocalData(const Object& obj, osgDB::Output& fw)
67 const ConditionNode& cn = static_cast<const ConditionNode&>(obj);
68 // Can't really print out conditions
69 fw.indent() << "expression ";
70 if (cn.getCondition())
77 osgDB::RegisterDotOsgWrapperProxy g_ConditionNodeProxy(
79 "simgear::ConditionNode",
80 "Object Node simgear::ConditionNode Group",
82 &ConditionNode_writeLocalData);