Implement playable Mac client and rendering validation

project/fx/effect_registry.gd

@@ -97,3 +97,26 @@ func spawn_at(name: String, world_parent: Node3D, global_pos: Vector3, one_shot
 	if fx:
 		fx.global_position = global_pos
 	return fx
+
+func spawn_motion(event: Dictionary, view: Node3D, world_parent: Node3D) -> Node3D:
+	var effect := spawn(String(event.get("effect", "")), world_parent, true)
+	if effect == null:
+		return null
+	var anchor := preload("res://fx/motion_effect_anchor.gd").new()
+	effect.add_child(anchor)
+	if not anchor.configure(view, event):
+		effect.free()
+		return null
+	return effect
+
+func spawn_target(event: Dictionary, target: Node3D, world_parent: Node3D) -> Node3D:
+	if not is_instance_valid(target) or bool(event.get("fishing_effect", false)):
+		return null # Fishing requires its separate water landing position.
+	var effect := spawn(String(event.get("effect", "")), world_parent, true)
+	if effect == null: return null
+	var anchor := preload("res://fx/target_effect_anchor.gd").new()
+	effect.add_child(anchor)
+	if not anchor.configure(target, event.get("pos", Vector3.ZERO), bool(event.get("following", false))):
+		effect.free()
+		return null
+	return effect