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95 lines
2.9 KiB
95 lines
2.9 KiB
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield |
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* |
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* This library is open source and may be redistributed and/or modified under |
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* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or |
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* (at your option) any later version. The full license is in LICENSE file |
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* included with this distribution, and on the openscenegraph.org website. |
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* |
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* This library is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* OpenSceneGraph Public License for more details. |
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*/ |
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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/Vec4> |
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namespace osg { |
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class OSG_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(osg, 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_Parameter macros below. |
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COMPARE_StateAttribute_Types(LightModel,sa) |
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// compare each parameter 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 macros, 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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SEPARATE_SPECULAR_COLOR, |
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SINGLE_COLOR |
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}; |
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void setColorControl(ColorControl cc) { _colorControl = cc; } |
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inline ColorControl getColorControl() const { return _colorControl; } |
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void setLocalViewer(bool localViewer) { _localViewer=localViewer; } |
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inline bool getLocalViewer() const { return _localViewer; } |
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void setTwoSided(bool twoSided) { _twoSided = twoSided; } |
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inline 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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