/*
 * Copyright (c) 2008-2009 Bill Whitacre http://rampancy.g0dsoft.com
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
*/

#include "body_manager.h"
#include "body_manager_array_table.h"
#include "body_manager_quad_tree.h"

rat_body_manager_class rat_array_table_class;
rat_body_manager_class rat_quad_tree_class;

unsigned int collision_persistence=3;
static int is_body_manager_classes_init=0;

void rat_body_manager_destroy(rat_body_manager *table)
{
	table->clas->destroy(table);
}

void rat_body_manager_add_body(rat_body_manager *table,rat_body *body)
{
	table->clas->add_body(table,body);
}

void rat_body_manager_remove_body(rat_body_manager *table,rat_body *body)
{
	table->clas->remove_body(table,body);
}

void rat_body_manager_remove_and_destroy_body(rat_body_manager *table,rat_body *body)
{
	table->clas->remove_and_destroy_body(table,body);
}

void rat_body_manager_clear_bodies(rat_body_manager *table)
{
	table->clas->clear_bodies(table);
}

void rat_body_manager_free_bodies(rat_body_manager *table)
{
	table->clas->free_bodies(table);
}

void rat_body_manager_build_spatial_index(rat_body_manager *table)
{
	table->clas->build_spatial_index(table);
}

void rat_body_manager_collide_bodies(rat_body_manager *table)
{
	table->clas->collide_bodies(table);
}

unsigned int rat_body_manager_count_all_bodies(rat_body_manager *table)
{
	return table->clas->count_all_bodies(table);
}

unsigned int rat_body_manager_count_static_bodies(rat_body_manager *table)
{
	return table->clas->count_static_bodies(table);
}

unsigned int rat_body_manager_count_dynamic_bodies(rat_body_manager *table)
{
	return table->clas->count_dynamic_bodies(table);
}

unsigned int rat_body_manager_count_arbiters(rat_body_manager *table)
{
	return table->clas->count_arbiters(table);
}

rat_iterator *rat_body_manager_all_bodies_iterator(rat_body_manager *table)
{
	return table->clas->all_bodies_iterator(table);
}

rat_iterator *rat_body_manager_static_bodies_iterator(rat_body_manager *table)
{
	return table->clas->static_bodies_iterator(table);
}

rat_iterator *rat_body_manager_dynamic_bodies_iterator(rat_body_manager *table)
{
	return table->clas->dynamic_bodies_iterator(table);
}

rat_iterator *rat_body_manager_arbiters_iterator(rat_body_manager *table)
{
	return table->clas->arbiters_iterator(table);
}

void rat_body_array_next(rat_iterator *iter)
{
	(((rat_body_array_iterator *)iter)->i)++;
}

int rat_body_array_finished(rat_iterator *iter)
{
	rat_body_array_iterator *arr=(rat_body_array_iterator *)iter;
	return arr->numbods!=0&&arr->i<arr->numbods;
}

void *rat_body_array_value(rat_iterator *iter)
{
	rat_body_array_iterator *arr=(rat_body_array_iterator *)iter;
	return (void *)(arr->bodies[arr->i]);
}

void rat_body_array_destroy(rat_iterator *iter)
{
	rat_dealloc((void *)iter->clas);
	rat_dealloc((void *)iter);
}

void rat_arbiter_array_next(rat_iterator *iter)
{
	((rat_arbiter_array_iterator *)iter)->i++;
}

int rat_arbiter_array_finished(rat_iterator *iter)
{
	rat_arbiter_array_iterator *arr=(rat_arbiter_array_iterator *)iter;
	return arr->numarbs!=0&&arr->i<arr->numarbs;
}

void *rat_arbiter_array_value(rat_iterator *iter)
{
	rat_arbiter_array_iterator *arr=(rat_arbiter_array_iterator *)iter;
	return (void *)(arr->arbiters[arr->i]);
}

void rat_arbiter_array_destroy(rat_iterator *iter)
{
	rat_dealloc((void *)iter->clas);
	rat_dealloc((void *)iter);
}

void rat_init_body_manager_classes()
{
	if (!is_body_manager_classes_init)
	{
		rat_array_table_class.destroy=rat_body_manager_array_table_destroy;
		rat_array_table_class.add_body=rat_body_manager_array_table_add_body;
		rat_array_table_class.remove_body=rat_body_manager_array_table_remove_body;
		rat_array_table_class.remove_and_destroy_body=rat_body_manager_array_table_remove_and_destroy_body;
		rat_array_table_class.clear_bodies=rat_body_manager_array_table_clear_bodies;
		rat_array_table_class.free_bodies=rat_body_manager_array_table_free_bodies;
		rat_array_table_class.build_spatial_index=rat_body_manager_array_table_build_spatial_index;
		rat_array_table_class.collide_bodies=rat_body_manager_array_table_collide_bodies;
		rat_array_table_class.count_all_bodies=rat_body_manager_array_table_count_all_bodies;
		rat_array_table_class.count_static_bodies=rat_body_manager_array_table_count_static_bodies;
		rat_array_table_class.count_dynamic_bodies=rat_body_manager_array_table_count_dynamic_bodies;
		rat_array_table_class.count_arbiters=rat_body_manager_array_table_count_arbiters;
		rat_array_table_class.all_bodies_iterator=rat_body_manager_array_table_all_bodies_iterator;
		rat_array_table_class.static_bodies_iterator=rat_body_manager_array_table_static_bodies_iterator;
		rat_array_table_class.dynamic_bodies_iterator=rat_body_manager_array_table_dynamic_bodies_iterator;
		rat_array_table_class.arbiters_iterator=rat_body_manager_array_table_arbiters_iterator;

		rat_quad_tree_class.destroy=rat_body_manager_quad_tree_destroy;
		rat_quad_tree_class.add_body=rat_body_manager_quad_tree_add_body;
		rat_quad_tree_class.remove_body=rat_body_manager_quad_tree_remove_body;
		rat_quad_tree_class.remove_and_destroy_body=rat_body_manager_quad_tree_remove_and_destroy_body;
		rat_quad_tree_class.clear_bodies=rat_body_manager_quad_tree_clear_bodies;
		rat_quad_tree_class.free_bodies=rat_body_manager_quad_tree_free_bodies;
		rat_quad_tree_class.build_spatial_index=rat_body_manager_quad_tree_build_spatial_index;
		rat_quad_tree_class.collide_bodies=rat_body_manager_quad_tree_collide_bodies;
		rat_quad_tree_class.count_all_bodies=rat_body_manager_quad_tree_count_all_bodies;
		rat_quad_tree_class.count_static_bodies=rat_body_manager_quad_tree_count_static_bodies;
		rat_quad_tree_class.count_dynamic_bodies=rat_body_manager_quad_tree_count_dynamic_bodies;
		rat_quad_tree_class.count_arbiters=rat_body_manager_quad_tree_count_arbiters;
		rat_quad_tree_class.all_bodies_iterator=rat_body_manager_quad_tree_all_bodies_iterator;
		rat_quad_tree_class.static_bodies_iterator=rat_body_manager_quad_tree_static_bodies_iterator;
		rat_quad_tree_class.dynamic_bodies_iterator=rat_body_manager_quad_tree_dynamic_bodies_iterator;
		rat_quad_tree_class.arbiters_iterator=rat_body_manager_quad_tree_arbiters_iterator;

		is_body_manager_classes_init=1;
	}
}