#include "heads_up_display.h"

HeadsUpDisplay *HeadsUpDisplay::singleton_instance{ nullptr };

void HeadsUpDisplay::_bind_methods() {
	ClassDB::bind_static_method("HeadsUpDisplay", D_METHOD("get_singleton"), &self_type::get_singleton);
}

void HeadsUpDisplay::on_child_entered(Node *child) {
	if (child->is_unique_name_in_owner() && child->get_name() == "Reticle") {
		this->reticle = cast_to<Control>(child);
	}
}

void HeadsUpDisplay::enter_tree() {
	connect("child_entered_tree", callable_mp(this, &self_type::on_child_entered));
	singleton_instance = this;
}

void HeadsUpDisplay::exit_tree() {
	singleton_instance = nullptr;
}

void HeadsUpDisplay::_notification(int what) {
	if (Engine::get_singleton()->is_editor_hint()) {
		return;
	}
	switch (what) {
		default:
			return;
		case NOTIFICATION_ENTER_TREE:
			enter_tree();
			return;
		case NOTIFICATION_EXIT_TREE:
			exit_tree();
			return;
	}
}

HeadsUpDisplay *HeadsUpDisplay::get_singleton() {
	return singleton_instance;
}

void HeadsUpDisplay::set_reticle_visibility(bool visible) {
	if (this->reticle) {
		this->reticle->set_visible(visible);
	}
}