97 lines
3.2 KiB
Plaintext
97 lines
3.2 KiB
Plaintext
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/* -*-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 OSGUTIL_SCENEGRAPHBUILDER
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#define OSGUTIL_SCENEGRAPHBUILDER 1
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#include <osg/NodeVisitor>
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#include <osg/Geode>
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#include <osg/Geometry>
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#include <osg/MatrixTransform>
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#include <osgUtil/Export>
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namespace osgUtil {
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/** A simplifier for reducing the number of traingles in osg::Geometry.
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*/
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class OSGUTIL_EXPORT SceneGraphBuilder
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{
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public:
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SceneGraphBuilder();
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void glPushMatrix();
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void glPopMatrix();
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void glLoadIdentity();
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void glLoadMatrixd(const GLdouble* m);
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void glMultMatrixd(const GLdouble* m);
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void glTranslated(GLdouble x, GLdouble y, GLdouble z);
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void glScaled(GLdouble x, GLdouble y, GLdouble z);
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void glRotated(GLdouble angle, GLdouble x, GLdouble y, GLdouble z);
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void glBlendFunc(GLenum srcFactor, GLenum dstFactor);
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void glCullFace(GLenum mode);
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void glDepthFunc(GLenum mode);
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void glFrontFace(GLenum mode);
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void glLineStipple(GLint factor, GLushort pattern);
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void glLineWidth(GLfloat lineWidth);
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void glPointSize(GLfloat pointSize);
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void glPolygonMode(GLenum face, GLenum mode);
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void glPolygonOffset(GLfloat factor, GLfloat units);
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void glPolygonStipple(GLubyte* mask);
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void glShadeModel(GLenum mode);
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void glEnable(GLenum mode);
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void glDisable(GLenum mode);
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void glColor4f(GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha);
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void glVertex3f(GLfloat x, GLfloat y, GLfloat z);
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void glNormal3f(GLfloat x, GLfloat y, GLfloat z);
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void glTexCoord1f(GLfloat x);
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void glTexCoord2f(GLfloat x, GLfloat y);
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void glTexCoord3f(GLfloat x, GLfloat y, GLfloat z);
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void glTexCoord4f(GLfloat x, GLfloat y, GLfloat z, GLfloat w);
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void glBegin(GLenum mode);
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void glEnd();
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osg::Node* getScene();
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osg::Node* takeScene();
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protected:
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typedef std::vector<osg::Matrixd> Matrices;
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void newGeometry();
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Matrices _matrixStack;
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osg::ref_ptr<osg::StateSet> _stateSet;
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osg::Vec3f _normal;
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osg::Vec4f _color;
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osg::Vec4f _texCoord;
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osg::ref_ptr<osg::Geometry> _currentGeometry;
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osg::ref_ptr<osg::Geode> _currentGeode;
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osg::ref_ptr<osg::MatrixTransform> _currentTransform;
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osg::ref_ptr<osg::Group> _group;
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};
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}
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#endif
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