// pmapoptions.C

#include "pmapoptions.H"

// Global pmap options
CPmapState pmapstate;

// Command line options -- TODO expand...
static CMDLINEOPTDESC pmapOptions[] = {
  {"-pmap-do-global", 9, Tbool, &pmapstate.doGlobalMap, DEFAULT_ACTION, 
   "-pmap-do-global <true|false> : Trace photons for the global map"},
  {"-pmap-global-paths", 9, Tint, &pmapstate.gpaths_per_iteration, DEFAULT_ACTION, 
   "-pmap-global-paths <number> : Number of paths per iteration for the global map"},
  {"-pmap-g-preirradiance", 11, Tbool, &pmapstate.precomputeGIrradiance, DEFAULT_ACTION, 
   "-pmap-g-preirradiance <true|false> : Use irradiance precomputation for global map"},
  {"-pmap-do-caustic", 9, Tbool, &pmapstate.doCausticMap, DEFAULT_ACTION, 
   "-pmap-do-caustic <true|false> : Trace photons for the caustic map"},
  {"-pmap-caustic-paths", 9, Tint, &pmapstate.cpaths_per_iteration, DEFAULT_ACTION, 
   "-pmap-caustic-paths <number> : Number of paths per iteration for the caustic map"},
  {"-pmap-render-hits", 9, Tsettrue, &pmapstate.renderImage, DEFAULT_ACTION, 
   "-pmap-render-hits: Show photon hits on screen"},
  {"-pmap-recon-gphotons", 9, Tint, &pmapstate.reconGPhotons, DEFAULT_ACTION, 
   "-pmap-recon-cphotons <number> : Number of photons to use in reconstructions (global map)"},
  {"-pmap-recon-iphotons", 9, Tint, &pmapstate.reconCPhotons, DEFAULT_ACTION, 
   "-pmap-recon-photons <number> : Number of photons to use in reconstructions (caustic map)"},
  {"-pmap-recon-photons", 9, Tint, &pmapstate.reconIPhotons, DEFAULT_ACTION, 
   "-pmap-recon-photons <number> : Number of photons to use in reconstructions (importance)"},
  {"-pmap-balancing", 9, Tbool, &pmapstate.balanceKDTree, DEFAULT_ACTION, 
   "-pmap-balancing <true|false> : Balance KD Tree before raytracing"},
  {NULL, 0, TYPELESS, NULL, DEFAULT_ACTION, NULL}
};


void ParsePmapOptions(int *argc, char **argv)
{
  ParseOptions(pmapOptions, argc, argv);
}

void PrintPmapOptions(FILE *fp)
{
  fprintf(fp, "\nPhoton Map options\n");
  PrintOptions(fp, pmapOptions);
}



CPmapState::CPmapState()
{
  // One time state initialisations
  rcScreen = NULL;

  // Set other defaults, that can be reset multiple times
  Defaults();
}


void CPmapState::Defaults(void)
{  
  // This is the only place where default values may be given...
  doCausticMap = true;
  cpaths_per_iteration = 20000;

  doGlobalMap = true;
  gpaths_per_iteration = 10000;
  precomputeGIrradiance = true;

  renderImage = false;

  reconGPhotons = 80;
  reconCPhotons = 80;
  reconIPhotons = 200;
  distribPhotons = 20;

  balanceKDTree = true;
  usePhotonMapSampler = false;

  densityControl = NO_DENSITY_CONTROL;
  acceptPdfType = STEP;

  constantRD = 10000;

  minimumImpRD = 1;
  doImportanceMap = true;
  ipaths_per_iteration = 10000;

  importanceOption = USE_IMPORTANCE;

  cImpScale = 25.0;
  gImpScale = 1.0;

  cornerScatter = true;
  gThreshold = 1000;  

  falseColMax = 10000;
  falseColLog = false;
  falseColMono = false;

  radianceReturn = GLOBAL_RADIANCE;


  minimumLightPathDepth = 0;
  maximumLightPathDepth = 7;
  maxCombinedLength = 7;

  doStats = false;
}