blender/source/gameengine/Rasterizer/RAS_Polygon.h

/*
 * $Id$
 *
 * ***** 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 *****
 */

/** \file RAS_Polygon.h
 *  \ingroup bgerast
 */

#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