RAS_Polygon.h

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/*
 * ***** BEGIN GPL LICENSE BLOCK *****
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
 * All rights reserved.
 *
 * The Original Code is: all of this file.
 *
 * Contributor(s): none yet.
 *
 * ***** END GPL LICENSE BLOCK *****
 */

#ifndef __RAS_POLYGON
#define __RAS_POLYGON

#include "RAS_TexVert.h"
#include "RAS_MaterialBucket.h"

#include <vector>
using namespace std;

#ifdef WITH_CXX_GUARDEDALLOC
#include "MEM_guardedalloc.h"
#endif

/* polygon flags */

class RAS_Polygon
{
    /* location */
    RAS_MaterialBucket*         m_bucket;
    RAS_DisplayArray*           m_darray;
    unsigned short              m_offset[4];
    unsigned short              m_numvert;

    /* flags */
#if 1
    unsigned short          m_polyflags;
#else
    unsigned char               m_edgecode;
    unsigned char               m_polyflags;
#endif
    
public:
    enum {
        VISIBLE = 1,
        COLLIDER = 2,
        TWOSIDE = 4
    };

    RAS_Polygon(RAS_MaterialBucket* bucket, RAS_DisplayArray* darray, int numvert);
    virtual ~RAS_Polygon() {};
    
    int                 VertexCount();
    RAS_TexVert*        GetVertex(int i);

    void                SetVertexOffset(int i, unsigned short offset);
    int                 GetVertexOffset(int i);
    int                 GetVertexOffsetAbs(RAS_MeshObject *mesh, int i); /* accounts for quad and tri arrays, slower, for python */
    
    // each bit is for a visible edge, starting with bit 1 for the first edge, bit 2 for second etc.
    // - Not used yet!
/*  int                 GetEdgeCode();
    void                SetEdgeCode(int edgecode); */
    
    bool                IsVisible();
    void                SetVisible(bool visible);

    bool                IsCollider();
    void                SetCollider(bool collider);

    bool                IsTwoside();
    void                SetTwoside(bool twoside);

    RAS_MaterialBucket* GetMaterial();
    RAS_DisplayArray*   GetDisplayArray();
    
#ifdef WITH_CXX_GUARDEDALLOC
public:
    void *operator new(size_t num_bytes) { return MEM_mallocN(num_bytes, "GE:RAS_Polygon"); }
    void operator delete( void *mem ) { MEM_freeN(mem); }
#endif
};

#endif