88 lines
2.5 KiB
Plaintext
88 lines
2.5 KiB
Plaintext
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//C++ header - Open Scene Graph - Copyright (C) 1998-2001 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_LIGHTMODEL
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#define OSG_LIGHTMODEL 1
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#include <osg/StateAttribute>
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#include <osg/StateSet>
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#include <osg/Vec4>
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namespace osg {
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class SG_EXPORT LightModel : public StateAttribute
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{
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public :
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LightModel();
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/** Copy constructor using CopyOp to manage deep vs shallow copy.*/
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LightModel(const LightModel& lw,const CopyOp& copyop=CopyOp::SHALLOW_COPY):
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StateAttribute(lw,copyop),
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_ambient(lw._ambient),
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_colorControl(lw._colorControl),
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_localViewer(lw._localViewer),
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_twoSided(lw._twoSided) {}
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META_StateAttribute(LightModel, LIGHTMODEL);
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/** return -1 if *this < *rhs, 0 if *this==*rhs, 1 if *this>*rhs.*/
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virtual int compare(const StateAttribute& sa) const
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{
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// check the types are equal and then create the rhs variable
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// used by the COMPARE_StateAttribute_Paramter macro's below.
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COMPARE_StateAttribute_Types(LightModel,sa)
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// compare each paramter in turn against the rhs.
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COMPARE_StateAttribute_Parameter(_ambient)
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COMPARE_StateAttribute_Parameter(_colorControl)
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COMPARE_StateAttribute_Parameter(_localViewer)
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COMPARE_StateAttribute_Parameter(_twoSided)
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return 0; // passed all the above comparison macro's, must be equal.
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}
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void setAmbientIntensity(const osg::Vec4& ambient) { _ambient = ambient; }
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const osg::Vec4& getAmbientIntensity() const { return _ambient; }
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enum ColorControl
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{
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SEPERATE_SPECULAR_COLOR,
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SINGLE_COLOR
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};
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void setColorControl(const ColorControl cc) { _colorControl = cc; }
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inline const ColorControl getColorControl() const { return _colorControl; }
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void setLocalViewer(const bool localViewer) { _localViewer=localViewer; }
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inline const bool getLocalViewer() const { return _localViewer; }
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void setTwoSided(const bool twoSided) { _twoSided = twoSided; }
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inline const bool getTwoSided() const { return _twoSided; }
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virtual void apply(State& state) const;
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protected :
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virtual ~LightModel();
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osg::Vec4 _ambient;
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ColorControl _colorControl;
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bool _localViewer;
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bool _twoSided;
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};
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}
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#endif
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