GBSPLib/POLY.H

   1 /****************************************************************************************/\r
   2 /*  Poly.h                                                                              */\r
   3 /*                                                                                      */\r
   4 /*  Author: John Pollard                                                                */\r
   5 /*  Description: Various Poly routines (clipping, splitting, etc)                       */\r
   6 /*                                                                                      */\r
   7 /*  The contents of this file are subject to the Genesis3D Public License               */\r
   8 /*  Version 1.01 (the "License"); you may not use this file except in                   */\r
   9 /*  compliance with the License. You may obtain a copy of the License at                */\r
  10 /*  http://www.genesis3d.com                                                            */\r
  11 /*                                                                                      */\r
  12 /*  Software distributed under the License is distributed on an "AS IS"                 */\r
  13 /*  basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.  See                */\r
  14 /*  the License for the specific language governing rights and limitations              */\r
  15 /*  under the License.                                                                  */\r
  16 /*                                                                                      */\r
  17 /*  The Original Code is Genesis3D, released March 25, 1999.                            */\r
  18 /*  Genesis3D Version 1.1 released November 15, 1999                                 */\r
  19 /*  Copyright (C) 1999 WildTangent, Inc. All Rights Reserved           */\r
  20 /*                                                                                      */\r
  21 /****************************************************************************************/\r
  22 #ifndef POLY_H\r
  23 #define POLY_H\r
  24 \r
  25 #include <Windows.h>\r
  26 \r
  27 #include "BSP.h"\r
  28 #include "MathLib.h"\r
  29 \r
  30 extern geBoolean        gCountVerts;\r
  31 extern int32            gTotalVerts;\r
  32 extern int32            gPeekVerts;     \r
  33 \r
  34 //\r
  35 //      Polys\r
  36 //\r
  37 GBSP_Poly       *AllocPoly(int32 NumVerts);\r
  38 void            FreePoly(GBSP_Poly *Poly);\r
  39 GBSP_Poly       *CreatePolyFromPlane(GBSP_Plane *Plane);\r
  40 geBoolean       ClipPoly(GBSP_Poly *InPoly, GBSP_Plane *Plane, geBoolean FlipTest, GBSP_Poly **OutPoly);\r
  41 geBoolean       ClipPolyEpsilon(GBSP_Poly *InPoly, geFloat Epsilon, GBSP_Plane *Plane, geBoolean FlipTest, GBSP_Poly **OutPoly);\r
  42 geBoolean       SplitPoly(GBSP_Poly *InPoly, GBSP_Plane *Plane, GBSP_Poly **Front, GBSP_Poly **Back, \r
  43                            geBoolean FlipTest);\r
  44 geBoolean       SplitPolyEpsilon(GBSP_Poly *InPoly, geFloat Epsilon, GBSP_Plane *Plane, GBSP_Poly **Front, GBSP_Poly **Back, \r
  45                            geBoolean FlipTest);\r
  46 geFloat         PolyArea(GBSP_Poly *Poly);\r
  47 geBoolean       CopyPoly(GBSP_Poly *In, GBSP_Poly **Out);\r
  48 GBSP_Poly       *CopyPoly2(GBSP_Poly *In);\r
  49 geBoolean       ReversePoly(GBSP_Poly *In, GBSP_Poly **Out);\r
  50 void            RemoveDegenerateEdges(GBSP_Poly *Poly);\r
  51 geBoolean       RemoveDegenerateEdges2(GBSP_Poly *Poly);\r
  52 void            PolyCenter(GBSP_Poly *Poly, geVec3d *Center);\r
  53 geBoolean       PolyIsTiny (GBSP_Poly *Poly);\r
  54 \r
  55 //\r
  56 //      Faces\r
  57 //\r
  58 \r
  59 GBSP_Face       *AllocFace(int32 NumVerts);\r
  60 void            FreeFace(GBSP_Face *Face);\r
  61 geBoolean       SplitFace(GBSP_Face *In, GBSP_Plane *Split, GBSP_Face **Front, GBSP_Face **Back, geBoolean FlipTest);\r
  62 void            FreeFaceList(GBSP_Face *List);\r
  63 int32           MergeFaceList(GBSP_Face *In, GBSP_Face **Out, geBoolean Mirror);\r
  64 int32           EdgeExist(geVec3d *Edge1, GBSP_Poly *Poly, int32 *EdgeIndexOut);\r
  65 GBSP_Face       *MergeFace(GBSP_Face *Face1, GBSP_Face *Face2);\r
  66 geBoolean       CheckFace(GBSP_Face *Face, geBoolean Verb);\r
  67 void            GetFaceListBOX(GBSP_Face *Faces, geVec3d *Mins, geVec3d *Maxs);\r
  68 \r
  69 extern int32    NumSubdivides;\r
  70 extern geFloat  SubdivideSize;\r
  71 \r
  72 #endif\r