M2.5: wildlife, wolves, hunting, fishing and sleeping on the server

scripts/creatures/projectile.gd

@@ -51,7 +51,7 @@ func step(dt: float) -> void:
 	velocity.y -= gravity * dt
 	var to := from + velocity * dt
 	var ex: Array[RID] = []
-	if shooter != null:
+	if shooter != null and is_instance_valid(shooter) and shooter.has_method("get_rid"):
 		ex.append(shooter.get_rid())
 	var q := PhysicsRayQueryParameters3D.create(from, to, 1 | 8, ex)
 	var hit := get_world_3d().direct_space_state.intersect_ray(q)
@@ -66,6 +66,9 @@ func step(dt: float) -> void:
 func _on_hit(hit: Dictionary) -> void:
 	var c: Object = hit.collider
 	var dir := velocity.normalized()
+	if visual:
+		queue_free()
+		return
 	if c != null and (c as Node).is_in_group("creature"):
 		var k := clampf(velocity.length() / _start_speed, 0.4, 1.0)
 		Actions.projectile_hit(shooter, c, damage * k, global_position, item_id if item_id == "arrow" else "")
@@ -83,5 +86,11 @@ func _on_hit(hit: Dictionary) -> void:
 	_drop(Transform3D(b, at))
 
 func _drop(xf: Transform3D) -> void:
-	world.drop_item(item_id, 1, xf)
+	if not visual:
+		world.drop_item(item_id, 1, xf)
 	queue_free()
+
+## Online, our game shows the server's arrows and spears in flight
+## (creature_net.gd). They hit nothing: the server's copy does that, and
+## anything that lands comes from the server as a dropped item.
+var visual := false