12226e4371
and passed as paramters into straight forward non const built in types, i.e. const bool foogbar(const int) becomes bool foobar(int).
104 lines
3.7 KiB
Plaintext
104 lines
3.7 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_CLIPPLANE
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#define OSG_CLIPPLANE 1
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#include <osg/Plane>
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#include <osg/StateAttribute>
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namespace osg {
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/** ClipPlane state class which encapsulates OpenGL glClipPlane() functionality.*/
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class SG_EXPORT ClipPlane : public StateAttribute
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{
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public :
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ClipPlane();
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inline ClipPlane(unsigned int no,const Vec4& plane) { setClipPlaneNum(no); setClipPlane(plane); }
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inline ClipPlane(unsigned int no,const Plane& plane) { setClipPlaneNum(no); setClipPlane(plane); }
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inline ClipPlane(unsigned int no,const double a,const double b,const double c,const double d) { setClipPlaneNum(no); setClipPlane(a,b,c,d); }
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/** Copy constructor using CopyOp to manage deep vs shallow copy.*/
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ClipPlane(const ClipPlane& cp,const CopyOp& copyop=CopyOp::SHALLOW_COPY):
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StateAttribute(cp,copyop)
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{
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_clipPlane[0]=cp._clipPlane[0];
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_clipPlane[1]=cp._clipPlane[1];
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_clipPlane[2]=cp._clipPlane[2];
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_clipPlane[3]=cp._clipPlane[3];
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_clipPlaneNum=cp._clipPlaneNum;
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}
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META_StateAttribute(osg, ClipPlane, (Type)(CLIPPLANE+_clipPlaneNum));
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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(ClipPlane,sa)
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// compare each paramter in turn against the rhs.
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COMPARE_StateAttribute_Parameter(_clipPlaneNum)
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COMPARE_StateAttribute_Parameter(_clipPlane[0])
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COMPARE_StateAttribute_Parameter(_clipPlane[1])
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COMPARE_StateAttribute_Parameter(_clipPlane[2])
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COMPARE_StateAttribute_Parameter(_clipPlane[3])
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return 0; // passed all the above comparison macro's, must be equal.
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}
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virtual void getAssociatedModes(std::vector<GLMode>& modes) const
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{
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modes.push_back((GLMode)(GL_CLIP_PLANE0+_clipPlaneNum));
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}
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/** Set the clip plane, using a Vec4 to define plane. */
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void setClipPlane(const Vec4& plane);
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/** Set the clip plane, using a Plane to define plane. */
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void setClipPlane(const Plane& plane);
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/** Set the clip plane, using a double[4] to define plane. */
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void setClipPlane(const double* plane);
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/** Set the clip plane, using a a to define plane. */
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void setClipPlane(const double a,const double b,const double c,const double d)
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{
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_clipPlane[0]=a;_clipPlane[1]=b;_clipPlane[2]=c;_clipPlane[3]=d;
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}
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/** Get the clip plane, values entered into a Vec4 passed to the getClipPlane. */
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void getClipPlane(Vec4& plane) const;
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/** Get the clip plane, values entered into a Plane passed to the getClipPlane. */
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void getClipPlane(Plane& plane) const;
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/** Get the clip plane, values entered into a double[4] passed to the getClipPlane. */
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void getClipPlane(double* plane) const;
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/** Set the clip plane number. */
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void setClipPlaneNum(unsigned int num);
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/** Get the clip plane number. */
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unsigned int getClipPlaneNum() const;
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/** Apply the clip plane's state to the OpenGL state machine. */
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virtual void apply(State& state) const;
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protected :
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virtual ~ClipPlane();
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double _clipPlane[4];
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unsigned int _clipPlaneNum;
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};
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}
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#endif
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