/**************************************************************************/
/*  nav_agent.cpp                                                         */
/**************************************************************************/
/*                         This file is part of:                          */
/*                             GODOT ENGINE                               */
/*                        https://godotengine.org                         */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 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. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
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/**************************************************************************/

#include "nav_agent.h"

#include "nav_map.h"

void NavAgent::set_map(NavMap *p_map) {
	map = p_map;
}

bool NavAgent::is_map_changed() {
	if (map) {
		bool is_changed = map->get_map_update_id() != map_update_id;
		map_update_id = map->get_map_update_id();
		return is_changed;
	} else {
		return false;
	}
}

void NavAgent::set_callback(Callable p_callback) {
	callback = p_callback;
}

bool NavAgent::has_callback() const {
	return callback.is_valid();
}

void NavAgent::dispatch_callback() {
	if (!callback.is_valid()) {
		return;
	}

	Vector3 new_velocity = Vector3(agent.newVelocity_.x(), agent.newVelocity_.y(), agent.newVelocity_.z());

	// Invoke the callback with the new velocity.
	Variant args[] = { new_velocity };
	const Variant *args_p[] = { &args[0] };
	Variant return_value;
	Callable::CallError call_error;
	callback.callp(args_p, 1, return_value, call_error);
}