MeshFaceFlagConstants.h

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//
// Copyright 2010 Autodesk, Inc.  All rights reserved.
//
// Use of this software is subject to the terms of the Autodesk license
// agreement provided at the time of installation or download, or which
// otherwise accompanies this software in either electronic or hard copy form.  
//

#pragma once

#define EDGE_VIS            1   //!< Edge is visible
#define EDGE_INVIS          0   //!< Edge is invisible



#define VIS_BIT         0x0001
#define VIS_MASK            0x0007


#define EDGE_A      (1<<0)
#define EDGE_B      (1<<1)
#define EDGE_C      (1<<2)
#define EDGE_ALL    (EDGE_A|EDGE_B|EDGE_C)


#define FACE_HIDDEN (1<<3)  //!< Face visibility bit. If the bit is 1, the face is hidden.
#define HAS_TVERTS  (1<<4)  //!< \deprecated Replaced by mapSupport(). Texture vertices bit: If the bit is 1, texture vertices are present. 
#define FACE_WORK   (1<<5)  
#define FACE_STRIP  (1<<6)

#define FACE_NORM_A (1<<8)
#define FACE_NORM_B (1<<9)
#define FACE_NORM_C (1<<10)
#define FACE_NORM_MASK  0x0700


#define FACE_INFOREGROUND   (1<<11)  //!< Used to track faces that are in the foreground.
#define FACE_BACKFACING     (1<<12)  //!<Used to track which faces are back facing. A temporary flag.


#define FACE_MATID_SHIFT    16      //!< The number of bits to shift the flags to access the material.
#define FACE_MATID_MASK     0xFFFF  //!< A mask used to access the material ID.



#define COMP_TRANSFORM  0x0001  //!< If set, it forces recalculate of model->screen transform. If reset, will attempt to use cache
#define COMP_IGN_RECT   0x0002  //!< If set, it forces all polys to be rendered. If reset, only those intersecting the box will be rendered.
#define COMP_LIGHTING   0x0004  //!< If set, it forces re-lighting of all verts (as when a light moves). If reset, only the moved verts will be re-lighted.
#define COMP_ALL        0x00ff  //!< Combination of COMP_TRANSFORM, COMP_IGN_RECT and COMP_LIGHTING

#define COMP_OBJSELECTED    (1<<8)

#define COMP_OBJFROZEN      (1<<9)


#define NORCT_MASK          0x000000ffUL
#define SPECIFIED_NORMAL    0x00004000UL
#define OUT_LEFT            0x00010000UL
#define OUT_RIGHT           0x00020000UL
#define OUT_TOP             0x00040000UL
#define OUT_BOTTOM          0x00080000UL
#define RECT_MASK           0x000f0000UL
#define RND_MASK            0xfff00000UL
#define RND_NOR0            0x00100000UL
#define RND_NOR(n)          (RND_NOR0 << (n))