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object.c
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object.c
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#include <stdio.h>
#include "material.h"
#include "structs.h"
#include "object.h"
#include "malloc.h"
/*
* object.c - this file provides the "generic" object init and dump functions
*/
/*
* object_init - function is the "generic" object init function
*
* Parameter: in - pointer to a file
* objtype - int signifing type of object
* refraction_index - float containing index of refraction for the
* the object
*
* Return: obj_t
*/
obj_t *object_init(FILE *in, int objtype, float refraction_index) {
obj_t *obj = NULL;
static int id = 0;
obj = (obj_t *)Malloc(sizeof(obj_t));
obj->next = NULL;
obj->objtype = objtype;
obj->objid = ++id;
fprintf(stderr, "initializing obj %d\n", obj->objtype);
////////////////////////
if (refraction_index != EOF) {
obj->refraction_index = refraction_index;
} else {
obj->refraction_index = 0.0;
}
if (objtype != LIGHT && objtype != SPOTLIGHT) {
material_init(in, &obj->material);
}
return obj;
}
/*
* object_dump - function is the "generic" object dump function
*
* Parameter: out - pointer to a file to write too
* obj - pointer to obj_t struct, which is model for an object
*
* Return: int - signifies success or failure
*/
int object_dump(FILE *out, obj_t *obj) {
int rc;
rc = material_dump(out, &obj->material);
fprintf(out, "Object Dump - \n");
fprintf(out, "id: \t%d", obj->objid);
fprintf(out, "type: \t%d\n", obj->objtype);
fprintf(out, "normal: \t%lf \t%lf \t%lf \n\n", obj->normal[0],
obj->normal[1], obj->normal[2]);
fprintf(out, "refraction index == %f\n", obj->refraction_index);
return rc;
}