/*************************************************************************/
/*  concave_polygon_shape.cpp                                            */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
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/*************************************************************************/
/* 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:                                             */
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/* The above copyright notice and this permission notice shall be        */
/* included in all copies or substantial portions of the Software.       */
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/* 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 "concave_polygon_shape.h"

#include "servers/physics_server.h"

Vector<Vector3> ConcavePolygonShape::_gen_debug_mesh_lines() {

	Set<DrawEdge> edges;

	DVector<Vector3> data=get_faces();
	int datalen=data.size();
	ERR_FAIL_COND_V( (datalen%3)!=0,Vector<Vector3>() );

	DVector<Vector3>::Read r=data.read();

	for(int i=0;i<datalen;i+=3) {

		for(int j=0;j<3;j++) {

			DrawEdge de(r[i+j],r[i+((j+1)%3)]);
			edges.insert(de);
		}

	}

	Vector<Vector3> points;
	points.resize(edges.size()*2);
	int idx=0;
	for (Set<DrawEdge>::Element*E=edges.front();E;E=E->next()) {

		points[idx+0]=E->get().a;
		points[idx+1]=E->get().b;
		idx+=2;
	}

	return points;

}

bool ConcavePolygonShape::_set(const StringName& p_name, const Variant& p_value) {

	if (p_name=="data")
		PhysicsServer::get_singleton()->shape_set_data(get_shape(),p_value);
	else
		return false;

	return true;

}

bool ConcavePolygonShape::_get(const StringName& p_name,Variant &r_ret) const {

	if (p_name=="data")
		r_ret=PhysicsServer::get_singleton()->shape_get_data(get_shape());
	else
		return false;
	return true;

}
void ConcavePolygonShape::_get_property_list( List<PropertyInfo> *p_list) const {

	p_list->push_back( PropertyInfo(Variant::ARRAY,"data") );
}


void ConcavePolygonShape::_update_shape() {

}

void ConcavePolygonShape::set_faces(const DVector<Vector3>& p_faces) {

	PhysicsServer::get_singleton()->shape_set_data(get_shape(),p_faces);
	notify_change_to_owners();
}

DVector<Vector3> ConcavePolygonShape::get_faces() const {

	return PhysicsServer::get_singleton()->shape_get_data(get_shape());

}



void ConcavePolygonShape::_bind_methods() {

	ClassDB::bind_method(_MD("set_faces","faces"),&ConcavePolygonShape::set_faces);
	ClassDB::bind_method(_MD("get_faces"),&ConcavePolygonShape::get_faces);
}

ConcavePolygonShape::ConcavePolygonShape() : Shape( PhysicsServer::get_singleton()->shape_create(PhysicsServer::SHAPE_CONCAVE_POLYGON)) {

	//set_planes(Vector3(1,1,1));
}