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>
31 ConditionNode::ConditionNode()
35 ConditionNode::ConditionNode(const ConditionNode& rhs, const CopyOp& op)
36 : Group(rhs, op), _condition(rhs._condition)
40 ConditionNode::~ConditionNode()
44 void ConditionNode::traverse(NodeVisitor& nv)
46 if (nv.getTraversalMode() == NodeVisitor::TRAVERSE_ACTIVE_CHILDREN) {
47 unsigned numChildren = getNumChildren();
50 if (!_condition || _condition->test())
51 getChild(0)->accept(nv);
52 else if (numChildren > 1)
53 getChild(1)->accept(nv);
63 bool ConditionNode_writeLocalData(const Object& obj, osgDB::Output& fw)
65 const ConditionNode& cn = static_cast<const ConditionNode&>(obj);
66 // Can't really print out conditions
67 fw.indent() << "expression ";
68 if (cn.getCondition())
75 osgDB::RegisterDotOsgWrapperProxy g_ConditionNodeProxy(
77 "simgear::ConditionNode",
78 "Object Node simgear::ConditionNode Group",
80 &ConditionNode_writeLocalData);