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sglIndexedQuadSet.hpp

00001 /*****************************************************************************
00002  * SGL: A Scene Graph Library
00003  *
00004  * Copyright (C) 1997-2001  Scott McMillan   All Rights Reserved.
00005  *
00006  * This library is free software; you can redistribute it and/or
00007  * modify it under the terms of the GNU Library General Public
00008  * License as published by the Free Software Foundation; either
00009  * version 2 of the License, or (at your option) any later version.
00010  *
00011  * This library is distributed in the hope that it will be useful,
00012  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00014  * Library General Public License for more details.
00015  *
00016  * You should have received a copy of the GNU Library General Public
00017  * License along with this library; if not, write to the Free
00018  * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
00019  *****************************************************************************
00020  *     File: sglIndexedQuadSet.hpp
00021  *  Created: 22 October 1997
00022  *  Summary: Approximates a pfGeoSet which contains geometry data and indices
00023  *         : for individual quads, and pointers to the graphics state
00024  *         : associated with it (sglGeoState). 
00025  *****************************************************************************/
00026 
00027 #ifndef __SGL_INDEXED_QUAD_SET_HPP
00028 #define __SGL_INDEXED_QUAD_SET_HPP
00029 
00030 #include <sgl.h>
00031 #include <sglIndexedGeoSet.hpp>
00032 
00033 //============================================================================
00034 
00038 class SGL_DLL_API sglIndexedQuadSet : public sglIndexedGeoSet
00039 {
00040 public:
00042    sglIndexedQuadSet();
00044    virtual ~sglIndexedQuadSet();
00045 
00047    sglStats::PrimEnum getPrimType() const {return sglStats::eINDEXED_QUADS;}
00049    GLenum getGLPrimType() const {return GL_QUADS;}
00051    unsigned int getPrimSize() const {return 4;}
00053    AAEnum getAAType() const {return ePOLYGON_AA;}
00054 
00056    virtual sglBound::IntersectResultEnum intersectPrim(sglIntersectf &segset);
00058    virtual sglBound::IntersectResultEnum intersectPrim(sglIntersectd &segset);
00059 
00060 protected:
00061    virtual void updateDrawFunc();
00062 
00063 private: // not implemented
00064    sglIndexedQuadSet(const sglIndexedQuadSet &);
00065    sglIndexedQuadSet &operator=(const sglIndexedQuadSet &);
00066 
00067    void drawVT(const vector<sglTexCoords> &tex_coords) const;
00068    void drawVNoT(const vector<sglTexCoords> &tex_coords) const;
00069    void drawVNpT(const vector<sglTexCoords> &tex_coords) const;
00070    void drawVNvT(const vector<sglTexCoords> &tex_coords) const;
00071    void drawVCoT(const vector<sglTexCoords> &tex_coords) const;
00072    void drawVCoNoT(const vector<sglTexCoords> &tex_coords) const;
00073    void drawVCoNpT(const vector<sglTexCoords> &tex_coords) const;
00074    void drawVCoNvT(const vector<sglTexCoords> &tex_coords) const;
00075    void drawVCpT(const vector<sglTexCoords> &tex_coords) const;
00076    void drawVCpNoT(const vector<sglTexCoords> &tex_coords) const;
00077    void drawVCpNpT(const vector<sglTexCoords> &tex_coords) const;
00078    void drawVCpNvT(const vector<sglTexCoords> &tex_coords) const;
00079    void drawVCvT(const vector<sglTexCoords> &tex_coords) const;
00080    void drawVCvNoT(const vector<sglTexCoords> &tex_coords) const;
00081    void drawVCvNpT(const vector<sglTexCoords> &tex_coords) const;
00082    void drawVCvNvT(const vector<sglTexCoords> &tex_coords) const;
00083 
00084    class Initializer;
00085    friend class Initializer;
00086    static void setupFuncTable();
00087 
00088 private:
00089    static DrawFunc s_func_table[(eCOLORS|eNORMALS)+1];
00090    static Initializer sInitializer;
00091 };
00092 
00093 #endif

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