89 lines
2.3 KiB
Plaintext
89 lines
2.3 KiB
Plaintext
//C++ header - Open Scene Graph - Copyright (C) 1998-2002 Robert Osfield
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//Distributed under the terms of the GNU Library General Public License (LGPL)
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//as published by the Free Software Foundation.
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#ifndef OSG_SWITCH
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#define OSG_SWITCH 1
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#include <osg/Group>
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namespace osg {
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/** Switch is a Group node which allows switching between children.
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Typical uses would be for objects which might need to be rendered
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differently at different times, for instance a switch could be used
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to represent the different states of a traffic light.
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*/
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class SG_EXPORT Switch : public Group
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{
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public :
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Switch();
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/** Copy constructor using CopyOp to manage deep vs shallow copy.*/
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Switch(const Switch&,const CopyOp& copyop=CopyOp::SHALLOW_COPY);
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META_Node(osg, Switch);
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virtual void traverse(NodeVisitor& nv);
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void setNewChildDefaultValue(bool value) { _newChildDefaultValue = value; }
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bool getNewChildDefaultValue() const { return _newChildDefaultValue; }
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virtual bool addChild( Node *child );
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virtual bool addChild( Node *child, bool value );
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virtual bool removeChild( Node *child );
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void setValue(unsigned int pos,bool value);
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void setValue(const Node* child,bool value);
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bool getValue(unsigned int pos) const;
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bool getValue(const Node* child) const;
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/**
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* Special values for the Switch. Use these if you want to
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* turn on/off all child nodes.
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*/
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enum Values {
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/** All children turned on. */
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ALL_CHILDREN_ON=-1,
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/** All children off. */
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ALL_CHILDREN_OFF=-2,
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/** Multiple children turned on.*/
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MULTIPLE_CHILDREN_ON=-3
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};
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/**
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* Selects the active child Node or enables a special
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* SwitchType mode.
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* @param value the number of the active child
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* (first child == number 0) or SwitchType. Invalid values
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* will be ignored.
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*/
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void setValue(int value);
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int getValue() const;
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typedef std::vector<bool> ValueList;
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const ValueList& getValueList() const { return _values; }
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protected :
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virtual ~Switch() {}
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// this is effectively a bit mask.
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bool _newChildDefaultValue;
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ValueList _values;
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};
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}
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#endif
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