Almost fixed entities

scripts/Entity/Component/EntityInteractor.gd

@@ -1,4 +1,59 @@
 class_name EntityInteractor extends Node
 
-func tryInteract() -> EntityInteractable:
-	return null
+enum InteractorType {
+	PLAYER_INPUT,
+	UNDECIDED
+}
+
+@export var interactorType:InteractorType = InteractorType.UNDECIDED;
+@export var entityDirection:EntityDirection = null;
+@export var characterBody:CharacterBody3D = null;
+@export var interactRange = 0.7;
+@export var entity:Entity = null
+@export_flags_3d_physics() var interactLayers = 2;
+
+func interactWith(interactable:EntityInteractable) -> void:
+	interactable.interact(self)
+	pass
+
+func getRaycastInteractable() -> EntityInteractable:
+	if !entityDirection or !characterBody:
+		return null
+	
+	var rayDirection = entityDirection.getDirectionVector()
+	var query = PhysicsRayQueryParameters3D.create(
+		characterBody.position,
+		characterBody.position + (rayDirection * interactRange)
+	)
+	query.collide_with_bodies = true;
+	query.collide_with_areas = true;
+	query.collision_mask = interactLayers;
+	query.exclude = [ characterBody ];
+
+	var result = characterBody.get_world_3d().direct_space_state.intersect_ray(query)
+	if !result or !result.collider:
+		return null
+
+	var coll:Node3D = result.collider;
+	var interactable:EntityInteractable = coll.find_child("EntityInteractable")
+	return interactable
+
+func _process(delta: float) -> void:
+	match interactorType:
+		InteractorType.PLAYER_INPUT:
+			_processPlayerInput()
+		InteractorType.UNDECIDED:
+			_processUndecided()
+		_:
+			assert(false, "Invalid interactor type")
+
+func _processPlayerInput() -> void:
+	if !Input.is_action_just_pressed("interact"):
+		return
+
+	var interactable:EntityInteractable = getRaycastInteractable()
+	if interactable:
+		self.interactWith(interactable)
+
+func _processUndecided() -> void:
+	pass