contrib/bobtoolz/DWinding.h

   1 /*
   2 BobToolz plugin for GtkRadiant
   3 Copyright (C) 2001 Gordon Biggans
   4
   5 This library is free software; you can redistribute it and/or
   6 modify it under the terms of the GNU Lesser General Public
   7 License as published by the Free Software Foundation; either
   8 version 2.1 of the License, or (at your option) any later version.
   9
  10 This library is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13 Lesser General Public License for more details.
  14
  15 You should have received a copy of the GNU Lesser General Public
  16 License along with this library; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  18 */
  19
  20 // DWinding.h: interface for the DWinding class.
  21 //
  22 //////////////////////////////////////////////////////////////////////
  23
  24 #if !defined(AFX_DWINDING_H__35B2C524_F0A7_11D4_ACF7_004095A18133__INCLUDED_)
  25 #define AFX_DWINDING_H__35B2C524_F0A7_11D4_ACF7_004095A18133__INCLUDED_
  26
  27 #if _MSC_VER > 1000
  28 #pragma once
  29 #endif // _MSC_VER > 1000
  30
  31 #include "mathlib.h"
  32
  33 class DPlane;
  34
  35 class DWinding
  36 {
  37 public:
  38         DWinding();
  39         virtual ~DWinding();
  40
  41         void AllocWinding(int points);
  42
  43         bool ChopWinding(DPlane* chopPlane);
  44         bool ChopWindingInPlace(DPlane* chopPlane, vec_t ON_EPSILON);
  45         void ClipWindingEpsilon(DPlane* chopPlane, vec_t epsilon, DWinding** front, DWinding** back);
  46
  47         void CheckWinding();
  48         void WindingCentre(vec3_t centre);
  49         void WindingBounds(vec3_t mins, vec3_t maxs);
  50         void RemoveColinearPoints();
  51
  52         DWinding* ReverseWinding();
  53         DWinding* CopyWinding();
  54         DPlane* WindingPlane();
  55
  56         int WindingOnPlaneSide(vec3_t normal, vec_t dist);
  57
  58         vec_t WindingArea();
  59
  60 //      members
  61         int             numpoints;
  62         vec3_t* p;
  63   vec3_t  clr;
  64 };
  65
  66 #define MAX_POINTS_ON_WINDING   64
  67
  68 #define ON_EPSILON      0.01
  69
  70 #endif // !defined(AFX_DWINDING_H__35B2C524_F0A7_11D4_ACF7_004095A18133__INCLUDED_)