/* 
   ==================================================================
   Photon map types and corresponding file format strings

   Roland Schregle (roland.schregle@{hslu.ch, gmail.com})
   (c) Fraunhofer Institute for Solar Energy Systems,
       Lucerne University of Applied Sciences & Arts   
   ==================================================================
   
   $Id: pmaptype.h,v 2.1 2015/02/24 19:39:27 greg Exp $
*/


#ifndef PMAPTYPE_H
   #define PMAPTYPE_H
   
   /* Photon map types */
   typedef enum {
      PMAP_TYPE_NONE = -1, PMAP_TYPE_GLOBAL, PMAP_TYPE_PRECOMP, 
      PMAP_TYPE_CAUSTIC, PMAP_TYPE_VOLUME, PMAP_TYPE_DIRECT,
      PMAP_TYPE_CONTRIB, NUM_PMAP_TYPES
   } PhotonMapType;

   /* Check for valid photon map type */
   #define validPmapType(t) ((t) >= 0 && (t) < NUM_PMAP_TYPES)
   
   /* Glob string for extracting photon map format from file header */
   #define PMAP_FORMAT_GLOB   "Radiance_*_Photon_Map"
   
   /* Format strings for photon map files corresponding to PhotonMapType */
   extern const char *pmapFormat [];      
   
   /* Photon map names per type */
   extern const char *pmapName [];
#endif