godot/modules/gdnavigation/rvo_agent.cpp

/*************************************************************************/
/*  rvo_agent.cpp                                                        */
/*************************************************************************/
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/*                           GODOT ENGINE                                */
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/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md)    */
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#include "rvo_agent.h"

#include "nav_map.h"

/**
	@author AndreaCatania
*/

RvoAgent::RvoAgent() :
		map(NULL) {
	callback.id = ObjectID(0);
}

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

bool RvoAgent::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 RvoAgent::set_callback(ObjectID p_id, const StringName p_method, const Variant p_udata) {
	callback.id = p_id;
	callback.method = p_method;
	callback.udata = p_udata;
}

bool RvoAgent::has_callback() const {
	return callback.id != 0;
}

void RvoAgent::dispatch_callback() {
	if (callback.id == 0) {
		return;
	}
	Object *obj = ObjectDB::get_instance(callback.id);
	if (obj == NULL) {
		callback.id = ObjectID(0);
	}

	Variant::CallError responseCallError;

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

	const Variant *vp[2] = { &callback.new_velocity, &callback.udata };
	int argc = (callback.udata.get_type() == Variant::NIL) ? 1 : 2;
	obj->call(callback.method, vp, argc, responseCallError);
}