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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/>.
*/
#ifndef _IX2_H
#define _IX2_H
typedef struct ix2_object_t ix2_object_t;
typedef struct ix2_t ix2_t;
typedef struct bb2f_t bb2f_t;
typedef struct v2f_t v2f_t;
typedef enum ix2_search_status_t {
IX2_SEARCH_STOP,
IX2_SEARCH_IGNORE,
IX2_SEARCH_CONTINUE
} ix2_search_status_t;
typedef ix2_search_status_t (*ix2_search_cb)(void *cb_context, ix2_object_t *ix2_object, v2f_t *ix2_object_position, bb2f_t *ix2_object_aabb, void *object);
ix2_t * ix2_new(bb2f_t *aabb, unsigned max_per_node, unsigned max_depth);
void ix2_reset(ix2_t *ix2);
void ix2_free(ix2_t *ix2);
ix2_object_t * ix2_object_new(ix2_t *ix2, v2f_t *position, v2f_t *origin, bb2f_t *aabb, void *object);
void ix2_object_free(ix2_t *ix2, ix2_object_t *object);
ix2_object_t * ix2_object_move(ix2_t *ix2, ix2_object_t *object, v2f_t *object_position, v2f_t *object_origin, bb2f_t *object_aabb);
int ix2_object_aabb_overlap(ix2_t *ix2, ix2_object_t *object, v2f_t *aabb_position, v2f_t *aabb_origin, bb2f_t *aabb);
unsigned ix2_search_by_point(ix2_t *ix2, v2f_t *point, ix2_search_cb cb, void *arg);
unsigned ix2_search_by_aabb(ix2_t *ix2, v2f_t *search_position, v2f_t *search_origin, bb2f_t *search_aabb, ix2_search_cb cb, void *arg);
unsigned ix2_search_by_ray(ix2_t *ix2, v2f_t *origin, v2f_t *direction, ix2_search_cb cb, void *arg);
#endif
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