function main() {
	Self.AddAnimation("open", 0, [1]);
	var unlocked = false;

	// Map our door names to key names.
	var KeyMap = {
		"Blue Door": "Blue Key",
		"Red Door": "Red Key",
		"Green Door": "Green Key",
		"Yellow Door": "Yellow Key"
	}

	log.Warn("%s loaded!", Self.Doodad.Title);
	console.log("%s Setting hitbox", Self.Doodad.Title);
	Self.SetHitbox(16, 0, 32, 64);

	Events.OnCollide(function(e) {
		if (unlocked) {
			return;
		}

		if (e.InHitbox) {
			var data = e.Actor.GetData("key:" + KeyMap[Self.Doodad.Title]);
			if (data === "") {
				// Door is locked.
				return false;
			}

			unlocked = true;
			Self.PlayAnimation("open", null);
		}
	});
	Events.OnLeave(function(e) {
		console.log("%s has stopped touching %s", e, Self.Doodad.Title)
		Self.Canvas.SetBackground(RGBA(0, 0, 1, 0));
	})
}