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/*
 *  Copyright (C) 2018  Vito Caputo - <vcaputo@pengaru.com>
 *
 *  This program is free software: you can redistribute it and/or modify it
 *  under the terms of the GNU General Public License version 3 as published
 *  by the Free Software Foundation.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */


#include <assert.h>
#include <stdio.h>

#include <ix3.h>

typedef struct v3f_t {
	float	x, y, z;
} v3f_t;

typedef struct bb3f_t {
	v3f_t	min, max;
} bb3f_t;


ix3_search_status_t cb(void *cb_context, ix3_object_t *ix3_object, v3f_t *ix3_object_position, bb3f_t *ix3_object_aabb, void *object)
{
	fprintf(stderr, "found %p ix3_object=%p ix3_object_aabb=%f,%f,%f ... %f,%f,%f\n", cb_context, ix3_object,
		ix3_object_aabb->min.x, ix3_object_aabb->min.y, ix3_object_aabb->min.z,
		ix3_object_aabb->max.x, ix3_object_aabb->max.y, ix3_object_aabb->max.z);

	return IX3_SEARCH_MORE_HIT;
}

typedef struct object_t {
	bb3f_t		aabb;
	ix3_object_t	*ix;
} object_t;

int main(int argc, char *argv[])
{
	object_t	objects[] = {
				{ .aabb = {{ -1.f, -1.f, -1.f }, { 1.f, 1.f, 1.f }} },
				{ .aabb = {{ -.2f, -.2f, -.2f }, { -.1f, -.1f, -.1f }} },
				{ .aabb = {{ -.2f, .2f, -.2f }, { -.1f, .3f, -.1f }} },
				{ .aabb = {{ .1f, .1f, .1f }, { .2f, .2f, .2f }} },
				{ .aabb = {{ -.2f, -.2f, -.2f }, { .1f, .1f, .1f }} },
				{ .aabb = {{ -.1f, -.1f, -.1f }, { .2f, .2f, .2f }} },
			};

	ix3_object_t	*o, *j;
	ix3_t		*ix3;

	ix3 = ix3_new(NULL, 2, 8);
	if (!ix3) {
		fprintf(stderr, "unable to create index\n");
		return 1;
	}

	for (int n = 0; n < 20; n++) {
		for (int i = 0; i < sizeof(objects) / sizeof(*objects); i++) {
			objects[i].ix = ix3_object_new(ix3, NULL, NULL, &objects[i].aabb, &objects[i]);
			if (!objects[i].ix) {
				fprintf(stderr, "unable to insert object %i\n", i);
				return 1;
			}
		}

		for (int i = 0; i < sizeof(objects) / sizeof(*objects); i++) {
			/* TODO: actually verify the expected objects are hit */
			if (!ix3_search_by_point(ix3, &objects[i].aabb.min, cb, &objects[i])) {
				fprintf(stderr, "unable to lookup object %i by min point\n", i);
				return 1;
			}

			if (!ix3_search_by_point(ix3, &objects[i].aabb.max, cb, &objects[i])) {
				fprintf(stderr, "unable to lookup object %i by max point\n", i);
				return 1;
			}
		}

		for (int i = 0; i < sizeof(objects) / sizeof(*objects); i++) {
			/* TODO: actually verify the expected objects are hit */
			if (!ix3_search_by_aabb(ix3, NULL, NULL, &objects[i].aabb, cb, &objects[i])) {
				fprintf(stderr, "unable to lookup object %i by perfect aabb\n", i);
				return 1;
			}
		}

		if (n % 2) {
			fprintf(stderr, "explicitly freeing all objects\n");
			for (int i = 0; i < sizeof(objects) / sizeof(*objects); i++)
				ix3_object_free(ix3, objects[i].ix);
		} else {
			fprintf(stderr, "resetting\n");
			ix3_reset(ix3);
		}
	}

	ix3_free(ix3);

	return 0;
}
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