8170-4/Material.cpp at master · mnemyx/8170-4 · GitHub

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/*
 *  Material.cpp
 *
 *
 *  Created by Donald House on 9/8/08.
 *  Copyright 2008 Clemson University. All rights reserved.
 *
 */

#include "Material.h"

Material::Material(char *mname){
  name = NULL;
  setName(mname);

  amap = dmap = smap = NULL;

  alpha = n = 1.0;
  illum_model = 1;
  setProperties(0.2, 0.8, 0, 1);
}

Material::Material(const Color &ambient, const Color &diffuse, const Color &specular,
		   double spexp){
  name = NULL;

  amap = dmap = smap = NULL;

  alpha = n = 1.0;
  illum_model = 1;
  setProperties(ambient, diffuse, specular, spexp);
}

void Material::setName(char *mname){
  delete name;
  if(mname == NULL)
    name = NULL;
  else{
    name = new char[strlen(mname) + 1];
    strcpy(name, mname);
  }
}

bool Material::isNamed(char *mname){
  if(name == NULL || mname == NULL)
    return false;
  return strcmp(mname, name) == 0;
}

void Material::setProperties(const Color &ambient, const Color &diffuse, const Color &specular,
			     double spexp){
  a = ambient;
  d = diffuse;
  s = specular;
  exp = spexp;
}

void Material::setProperties(double ambient, double diffuse, double specular,
			     double spexp){
  Color ca, cd, cs;
  ca.set(ambient, ambient, ambient);
  cd.set(diffuse, diffuse, diffuse);
  cs.set(specular, specular, specular);
  setProperties(ca, cd, cs, spexp);
}

void Material::setK(int k, const Color &c){
  switch(k){
  case 0:
    a = c;
    break;
  case 1:
    d = c;
    break;
  case 2:
    s = c;
    break;
  }
}

void Material::setTransmission(const Color &c){
  t = c;
}

void Material::setExp(double spexp){
  exp = spexp;
}

void Material::setAlpha(double alfa){
  alpha = alfa;
}

void Material::setIOR(double ior){
  n = ior;
}

void Material::setIllum(int i){
  illum_model = i;
}

void Material::setMap(int mtype, Pixmap *p){
  switch(mtype){
    case 0:
      amap = p;
      break;
    case 1:
      dmap = p;
      break;
    case 2:
      smap = p;
      break;
  }
}

ostream& operator<< (ostream& os, const Material& m){
  os << "[material " << m.name << ": a = " << m.a << ", d = " << m.d <<
	", s = " << m.s << ", exp = " << m.exp << "\n";
  os << "     alpha = " << m.alpha << ", t = " << m.t <<
	", illum model = " << m.illum_model << "\n";
  os << "     textures: (" << (m.amap? "ambient": "no ambient") << ", " <<
			 (m.dmap? "diffuse": "no diffuse") << ", " <<
			 (m.smap? "specular": "no specular") << ")";
  os << "]";
  return os;
}