RayTracer/model.cpp at master · furlongmt/RayTracer · GitHub

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/* model.c - this file is given */

#include "ray.h"

extern int oparse;


#define NUM_ITEMS (sizeof(items) / sizeof(char *))


/* Load model data */
void model_t::model_load(FILE  *in) {
   char entity[16];
   int  count;

   memset(entity, 0, sizeof(entity));

	/* Here entity should be one of "material",    */
	/* "light", "plane"                            */
   count = fscanf(in, "%s", entity);
   while (count == 1)
   {
      model_load_entity(in, entity);
      count = fscanf(in, "%s", entity);
   }
}


void model_t::model_load_entity(FILE  *in, char  *entity) {

   if (strcmp(entity, "camera") == 0)
       cam = new camera_t(in);

   else if (strcmp(entity, "material") == 0)
       new material_t(in, this, 0);

   else if (strcmp(entity, "plane") == 0)
      new plane_t(in, this, 0);

   /*else if (strcmp(entity, "pplane") == 0)
      new pplane_t(in, this, 0);
	*/

   else if (strcmp(entity, "fplane") == 0)
      new fplane_t(in, this, 0);

	else if(strcmp(entity, "tiled_plane") == 0)
		new tplane_t(in, this, 0);

   else if (strcmp(entity, "sphere") == 0)
       new sphere_t(in, this, 0);


   else if (strcmp(entity, "light") == 0)
       new light_t(in, this, 0);

	else if (strcmp(entity, "spotlight") == 0)
		new spotlight_t(in, this, 0);

	else if(strcmp(entity, "texplane") == 0)
		new texplane_t(in, this, 0);
	else if(strcmp(entity, "texture") == 0)
		new texture_t(in, this, 0);

   else {
       fprintf(stderr, "bad entity %s \n", entity);
       exit(1);
    }

   return;
}


/* Init model data */
model_t::model_t(FILE  *in) {

   mats = new list_t;
   assert(mats != NULL);

   lgts = new list_t;
   assert(lgts != NULL);

   objs = new list_t;
   assert(objs != NULL);

   texs = new list_t;
   assert(texs != NULL);

   model_load(in);
}


/* print model data */
void model_t::print(FILE  *out) {
   cam->camera_print(out);
   material_list_print(this, out);
   object_list_print(this, out);
   light_list_print(this, out);
   //texplane_list_print(this,out);
}