using Godot;
using System;

public partial class lazer : StaticBody2D
{
	//named lazer because Zs are cooler than Ss
	//I just tweaked the ghost code, cause it works.
	
	private Area2D probe; // probe to find the tile in the in the direction of the lazer's movement
	public AnimatedSprite2D sprite; // animated sprite of lazer
	private bool destroy; //if lazer should be destroyed
	public int pause = 3; //timer for when processing needs to occur
	//hmm this seems similar to the one from EvilEye... sure would make it easy to share this variable between them...
	public int direction; //left-1 right-2 up-3 down-4
	
	private void _on_probe_body_entered(Node2D body)
	{
		if (body.IsInGroup("Wall")) // if probe detects walls
		{
			destroy = true; //next update the lazer will be erased
		}
		if (body.IsInGroup("Obsticals") && !body.IsInGroup("Lazer") && !body.IsInGroup("Ghost")) // if probe detects non-lazer, non-ghost obsticals
		{
			destroy = true; //next update the lazer will be erased
		}
	}
	
	public override void _Ready() // on startup
	{
		// setting starting coditions for variables
		probe = GetNode<Area2D>("Probe");
		sprite = GetNode<AnimatedSprite2D>("LazerSprite");
		//yeah. it's kinda obvious that everything the lazer can do is determined by the evil eye, huh.
		switch (direction)
		{
			case 1: sprite.Rotation = 3.1416f; probe.Position = new Vector2(-20,0); break;
			case 2: sprite.Rotation = 0; probe.Position = new Vector2(20,0); break;
			case 3: sprite.Rotation = 4.712f; probe.Position = new Vector2(0,-20); break;
			case 4: sprite.Rotation = 1.5708f; probe.Position = new Vector2(0,20); break;
		}
	}
	
	public override void _PhysicsProcess(double delta) // updates multipul times a frame so movment happens propperly
	{
		//finished tasks become functions
		if (pause == 0)
		{
			//destruction happens before everything else
			//think of it as a permanent break();
			if(destroy == true)
			{
				QueueFree();
			}
			move();
			pause = 3;
			//no animations because the lazer gets synced by it's parent
		}
	}
	public void move()
	{
		//just goes forwards really fast
		GlobalPosition = probe.GlobalPosition; //player position changes to probe's position
	}
}