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- /****************************************************************************
- * csg.h
- *
- * This module contains all defines, typedefs, and prototypes for CSG.C.
- *
- * from Persistence of Vision(tm) Ray Tracer
- * Copyright 1996,1999 Persistence of Vision Team
- *---------------------------------------------------------------------------
- * NOTICE: This source code file is provided so that users may experiment
- * with enhancements to POV-Ray and to port the software to platforms other
- * than those supported by the POV-Ray Team. There are strict rules under
- * which you are permitted to use this file. The rules are in the file
- * named POVLEGAL.DOC which should be distributed with this file.
- * If POVLEGAL.DOC is not available or for more info please contact the POV-Ray
- * Team Coordinator by email to team-coord@povray.org or visit us on the web at
- * http://www.povray.org. The latest version of POV-Ray may be found at this site.
- *
- * This program is based on the popular DKB raytracer version 2.12.
- * DKBTrace was originally written by David K. Buck.
- * DKBTrace Ver 2.0-2.12 were written by David K. Buck & Aaron A. Collins.
- *
- *****************************************************************************/
-
-
- #ifndef CSG_H
- #define CSG_H
-
-
-
- /*****************************************************************************
- * Global preprocessor defines
- ******************************************************************************/
-
- #define UNION_OBJECT (COMPOUND_OBJECT)
- #define MERGE_OBJECT (COMPOUND_OBJECT)
- #define INTERSECTION_OBJECT (COMPOUND_OBJECT)
-
- /* CSG types */
-
- #define CSG_UNION_TYPE 1
- #define CSG_INTERSECTION_TYPE 2
- #define CSG_DIFFERENCE_TYPE 4
- #define CSG_MERGE_TYPE 8
- #define CSG_SINGLE_TYPE 16
-
-
- /*****************************************************************************
- * Global typedefs
- ******************************************************************************/
-
- typedef struct CSG_Struct CSG;
-
- struct CSG_Struct
- {
- COMPOUND_FIELDS
- /* NK phmap */
- int do_split;
- /* NK ---- */
-
- };
-
-
-
- /*****************************************************************************
- * Global variables
- ******************************************************************************/
-
- extern METHODS CSG_Intersection_Methods;
- extern METHODS CSG_Merge_Methods;
- extern METHODS CSG_Union_Methods;
-
- /*****************************************************************************
- * Global functions
- ******************************************************************************/
-
- CSG *Create_CSG_Union (void);
- CSG *Create_CSG_Merge (void);
- CSG *Create_CSG_Intersection (void);
- void Compute_CSG_BBox (OBJECT *Object);
-
- #ifdef MultiTextureCsgPatch
- void Determine_CSG_Textures(CSG *Csg, VECTOR IPoint, int *Count, TEXTURE **Textures, DBL *Weights);
- #endif
-
-
- #endif
-