/*************************************************************************/
/*  broad_phase_octree.cpp                                               */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                    http://www.godotengine.org                         */
/*************************************************************************/
/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur.                 */
/*                                                                       */
/* 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.*/
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/*************************************************************************/
#include "broad_phase_octree.h"
#include "collision_object_sw.h"

BroadPhaseSW::ID BroadPhaseOctree::create(CollisionObjectSW *p_object, int p_subindex) {

	ID oid = octree.create(p_object,Rect3(),p_subindex,false,1<<p_object->get_type(),0);
	return oid;
}

void BroadPhaseOctree::move(ID p_id, const Rect3& p_aabb){

	octree.move(p_id,p_aabb);
}

void BroadPhaseOctree::set_static(ID p_id, bool p_static){

	CollisionObjectSW *it = octree.get(p_id);
	octree.set_pairable(p_id,p_static?false:true,1<<it->get_type(),p_static?0:0xFFFFF); //pair everything, don't care 1?

}
void BroadPhaseOctree::remove(ID p_id){

	octree.erase(p_id);
}

CollisionObjectSW *BroadPhaseOctree::get_object(ID p_id) const{

	CollisionObjectSW *it = octree.get(p_id);
	ERR_FAIL_COND_V(!it,NULL);
	return it;
}
bool BroadPhaseOctree::is_static(ID p_id) const{

	return !octree.is_pairable(p_id);
}
int BroadPhaseOctree::get_subindex(ID p_id) const{

	return octree.get_subindex(p_id);
}

int BroadPhaseOctree::cull_segment(const Vector3& p_from, const Vector3& p_to,CollisionObjectSW** p_results,int p_max_results,int *p_result_indices){

	return octree.cull_segment(p_from,p_to,p_results,p_max_results,p_result_indices);
}

int BroadPhaseOctree::cull_aabb(const Rect3& p_aabb,CollisionObjectSW** p_results,int p_max_results,int *p_result_indices) {

	return octree.cull_AABB(p_aabb,p_results,p_max_results,p_result_indices);

}


void* BroadPhaseOctree::_pair_callback(void*self,OctreeElementID p_A, CollisionObjectSW*p_object_A,int subindex_A,OctreeElementID p_B, CollisionObjectSW*p_object_B,int subindex_B) {

	BroadPhaseOctree *bpo=(BroadPhaseOctree*)(self);
	if (!bpo->pair_callback)
		return NULL;

	return bpo->pair_callback(p_object_A,subindex_A,p_object_B,subindex_B,bpo->pair_userdata);

}

void BroadPhaseOctree::_unpair_callback(void*self,OctreeElementID p_A, CollisionObjectSW*p_object_A,int subindex_A,OctreeElementID p_B, CollisionObjectSW*p_object_B,int subindex_B,void*pairdata) {

	BroadPhaseOctree *bpo=(BroadPhaseOctree*)(self);
	if (!bpo->unpair_callback)
		return;

	bpo->unpair_callback(p_object_A,subindex_A,p_object_B,subindex_B,pairdata,bpo->unpair_userdata);

}


void BroadPhaseOctree::set_pair_callback(PairCallback p_pair_callback,void *p_userdata){

	pair_callback=p_pair_callback;
	pair_userdata=p_userdata;

}
void BroadPhaseOctree::set_unpair_callback(UnpairCallback p_unpair_callback,void *p_userdata){

	unpair_callback=p_unpair_callback;
	unpair_userdata=p_userdata;

}

void BroadPhaseOctree::update() {
	// does.. not?
}

BroadPhaseSW *BroadPhaseOctree::_create() {

	return memnew( BroadPhaseOctree );
}

BroadPhaseOctree::BroadPhaseOctree() {
	octree.set_pair_callback(_pair_callback,this);
	octree.set_unpair_callback(_unpair_callback,this);
	pair_callback=NULL;
	pair_userdata=NULL;
	pair_callback=NULL;
	unpair_userdata=NULL;
}