rodamn

A common design challenge in building a game is that you, the game developer/
designer, need to have a hierarchy of Things that need to be displayed or to do 
something. It could be a series of enemies that appear, events that occur over 
time, cool items pulled from a loot table, or various sets of AI actions, some 
of which might be semi-random, while others are serial. Anyway, we would like to
do cool stuff.
	Having advanced beyond the naive approach of coding these directly into our 
game, we would like the flexibility to quickly drag and drop new configurations,
adding or removing these Things from our gameplay. We would even like to modify
the hierarchy at run-time, allowing us to dynamically on-demand load our 

rodamn

using UnityEngine;

public class CompactGuiAttribute : PropertyAttribute {}

rodamn

Rails 4 Composite Model using Polymorphism

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WARNING: This is my attempt to brain-storm/puzzle this out. It may not (and likely does not) work out of the box. Feel free to add, patch, and comment. For now, it is untested so use this at your own peril.
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In Rails, a polymorphic association allows a model with a foreign key to switch (select) between various other models that can be its owner through a has_one or has_many relationship. At the database level, this is underpinned by storing a foreign key — an id, the same as any other foreign key — except here, the table for that foreign key is dynamic and is specified in an additional column, type.

So with this in mind, the goal here is to use rails polymorphism to achieve a