starfighter/MB_FYP/script/game.cs

using Godot;
using System;

public partial class game : Node2D
{
	public Node Lasers = null;
	public CharacterBody2D Player = null;
	public Node Asteroids = null;

	public Control HUD = null;

	public Label ScoreLabel = null;

	public Label HealthLabel = null;

	public Label FlightAssistLabel = null;

	public hud h;


	private readonly PackedScene AsteroidScene = GD.Load<PackedScene>("res://scenes/asteroid.tscn");

	public int Score = 0;

	public override void _Ready()
	{
		HUD = GetNode<Control>("UI/HUD");
		ScoreLabel = GetNode<Label>("UI/HUD/Score");
		FlightAssistLabel = GetNode<Label>("UI/HUD/FlightAssist");
		//HealthLabel = GetNode<Label>("UI/HUD/Health");
		
		Asteroids = GetNode<Node>("Asteroids");
		var a = new asteroid();
		for (int i = 0; i == Asteroids.GetChildCount() - 1; i++){
			a = (asteroid)Asteroids.GetChild(i);
			a.Exploded += OnAsteroidExploded;
		}

		Lasers = GetNode<Node>("Lasers");
		Player = GetNode<CharacterBody2D>("Player");
		//var p = new player();
		//p.LaserShot += OnPlayerLaserShot;	
	}

	public override void _Process(double delta)
	{
		if (Input.IsActionJustPressed("reset"))
		{
			GetTree().ReloadCurrentScene();
		}

		if (Input.IsActionJustPressed("toggle_fa"))
		{
			UpdateFALabel();
		}
	}

	public void SpawnAsteroid(Vector2 position, int size)
	{
		var a = new asteroid();
		a = AsteroidScene.Instantiate<asteroid>();
		a.GlobalPosition = position;
		a.size = (asteroid.AsteroidSize)size;
		a.Exploded += OnAsteroidExploded;
		Asteroids.CallDeferred("add_child", a);
	}

	public void UpdateScoreLabel(int score)
	{
		/*var h = new hud();
		GD.Print(h.Score);
		h.Score.Text = "SCORE: " + score.ToString();
		GD.Print(h.Score.Text);*/

		ScoreLabel.Text = "SCORE: " + score.ToString();
	}

	public void UpdateHealthLabel(int health)
	{
		if (HealthLabel == null)
		{
			HealthLabel = GetNode<Label>("UI/HUD/Health");
		}
		HealthLabel.Text = "HEALTH: " + health.ToString();
	}

	public void UpdateFALabel()
	{
		// Bit of a hacky implementation I think, but it works.
		if (FlightAssistLabel.Text == "FA: OFF"){FlightAssistLabel.Text = "FA: ON";}
		else if (FlightAssistLabel.Text == "FA: ON"){FlightAssistLabel.Text = "FA: OFF";}
	}

//Signals and Connections
	public void OnPlayerLaserShot(Area2D Laser)
	{
		Lasers.AddChild(Laser);
		GD.Print(Laser.Position);
		GD.Print(Player.Position);
	}

	public void OnPlayerHealthUpdate(int health)
	{
		UpdateHealthLabel(health);
	}

	public void OnAsteroidExploded(Vector2 pos, int size)
	{
		//score hardcoded for now, will make implementation of enemy scores easier later on
		// score = score * 2 (for loop)
		for(int i = 0; i < 2; i++){
			if (size == 0){
				SpawnAsteroid(pos, (int)asteroid.AsteroidSize.MEDIUM);
				Score += 60;
			}
			else if (size == 1){
				SpawnAsteroid(pos, (int)asteroid.AsteroidSize.SMALL);
				Score += 40;
			}
			else if (size == 2)
			{
				Score += 20;
			}
		}
		GD.Print(Score);
		UpdateScoreLabel(Score);
	}
}