cirnogodot/Scripts/Components/ProximityPlayerDetection.cs

using System.Diagnostics;
using Godot;
using Godot.Collections;

namespace Cirno.Scripts.Components;

public partial class ProximityPlayerDetection : PlayerDetection
{
    public override bool IsPlayerInRange { get; set; }

    public override bool IsPlayerInSight(uint collisionMask)
    {
        if (_cachedPlayer == null) return false;
        
        var spaceState = GetWorld2D().DirectSpaceState;
        
        // I have no idea why I need to use the parent's collision mask instead of the local one but it doesn't detect the player otherwise
        
        var query = PhysicsRayQueryParameters2D.Create(this.GlobalPosition, _cachedPlayer.GlobalPosition, collisionMask, new Array<Rid> { GetRid() });
        
        // var query = PhysicsRayQueryParameters2D.Create(this.GlobalPosition, _cachedPlayer.GlobalPosition, CollisionMask, new Array<Rid> { GetRid() });
        var result = spaceState.IntersectRay(query);

        // If count is 0 then the player is in sight, otherwise there is level geometry in the way
        return result.Count == 0;
    }
    
    private void _on_area_entered(Area2D area)
    {
        // Assume area is player for now
        if (area is not InteractionController player) return;
        
        Debug.WriteLine("Enemy detection area Entered by interaction controller");

        _cachedPlayer = player;

        IsPlayerInRange = true;
    }

    private void _on_area_exited(Area2D area)
    {
        if (area is not InteractionController player) return;
        IsPlayerInRange = false;
    }
}